WO2021099233A1

WO2021099233A1 - Method for fabricating a particle

Info

Publication number: WO2021099233A1
Application number: PCT/EP2020/082176
Authority: WO
Inventors: Hiroki Yoshizaki; Ryota YAMANASHI; Hiroshi Okura
Original assignee: Merck Patent Gmbh
Priority date: 2019-11-18
Filing date: 2020-11-16
Publication date: 2021-05-27
Also published as: AR120479A1

Abstract

The present invention relates to a method for fabricating a particle of polymer coated inorganic phosphor.

Description

Method for fabricating a particle Field of the Invention The present invention relates to a particle of a polymer coated inorganic phosphor, a composition, a formulation, an optical sheet, an optical device, a greenhouse, use, a plant, a container and a method. Background Art WO 2017/129351 A1 discloses a use of an inorganic phosphor for agriculture. WO 2019/020602 A1 and WO 2019/020653 A1 disclose a use of an inorganic phosphor for agriculture. And it also discloses that the inorganic phosphor materials can be phosphor particles with or without silicon dioxide coating. Patent Literature 1. WO 2017/129351 A1 2. WO 2019/020602 A1 3. WO 2019/020653 A1 Non- Patent Literature Summary of the invention The inventors surprisingly have found that there are still one or more of considerable problems for which improvement are desired, as listed below; improved long term moisture durability, improved water resistance, a water free coating process to avoid any damage to a phosphor during the coating process, an inorganic phosphor having a coating layer with higher EQE, improved and well controlled average particle size, improved optical properties such as light scattering, absorbing, refraction and/or reflection ability of inorganic phosphors, improved dispersibility of inorganic phosphors in a formulation, composition and/or in a matrix material of a film, better compatibility of an inorganic phosphor with a matrix material, improvement of controlling property of a phytoplankton condition, photosynthetic bacteria and/or alga, preferably acceleration of growth of phytoplankton, photosynthetic bacteria and/or alga; improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids, preferably by blue light; plant growth promotion; adjustment and / or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, vitamin content of plants; controlling of secondary metabolites, preferably controlling of polyphenols, and/or anthocyanins; controlling of a disease resistance of plants; controlling of ripening of fruits, or controlling of weight of plant. Then, it is found that a novel method for fabricating a particle of polymer coated inorganic phosphor comprising at least the following steps: a) Preparing a 1^st reaction mixture by mixing at least 1^st polymer precursor, an inorganic phosphor and optionally a polymerization initiator, together with at least a 1^st solvent; b) Reacting the 1^st polymer precursor in the 1^st reaction mixture without using water as a solvent to form a 1^st polymer coating layer on the surface of the inorganic phosphor, preferably said reaction is triggered by applying irradiation of rays to the 1^st reaction mixture and/or by Appling a heat treatment, preferably said polymerization initiator is selected from one or more members of the group consisting of photo acid-generators, photo radical – generators, photo base – generators, heat acid-generators, heat base – generators and heat radical – generators, preferably said ray is visible light, UV rays, IR rays, X-rays, electron beams, α-rays, γ-rays or a combination of any of these. In another aspect, the invention relates to a particle of polymer coated inorganic phosphor obtained or obtainable by the method of the present invention. In another aspect, the present invention also relates to a particle comprising an inorganic phosphor and a transparent polymer, wherein said inorganic phosphor is at least partially coated by said transparent polymer, preferably said transparent polymer is an organic polymer, more preferably it is selected from one or more member of the group consisting of (meth)acrylate polymers, polystyrenes, polyethylene, polyethylene terephthalate, polyurethane, polyacrylonitrile, epoxy resin derived from glycidyl function on (meth)acrylate monomer, biodegradable polymer such as polylactide, polyglycolide, polyhydroxyalkanoate, polycaproractone. In another aspect, the present invention also relates to a use of the particle of the present invention in agriculture. In another aspect, the present invention also relates to a use of the particle of the present invention in a Light Emitting Diode or in a solar cell. In another aspect, the present invention furthermore relates to a composition comprising at least one particle of the present invention and another material. In another aspect, the present invention relates to a formulation comprising at least one particle of the present invention or the composition of the present invention, and a solvent. In another aspect, the present invention relates to a use of the particle of the present invention, the composition of the present invention, or the formulation of the present invention, in an optical sheet fabrication process or in agriculture, preferably for fabricating an agricultural sheet or for controlling a condition of a living organism. In another aspect, the invention relates to an optical sheet (100) comprising at least one particle of the present invention or the composition of the present invention, preferably said optical sheet is an agricultural sheet. In another aspect, the invention relates to an optical device (200) comprising at least one optical sheet (100) of the present invention, preferably said optical device is a lighting device, more preferably it is a light emitting diode device. In another aspect, the invention relates to a greenhouse comprising an optical sheet (100) of the present invention. In another aspect, the invention relates to a use of the optical sheet (100) of the present invention or the optical device (200) of the present invention for agriculture, preferably for greenhouse or for controlling a condition of a living organism in agriculture. In another aspect, the invention relates to a method for preparing the optical sheet (100), preferably for preparing the agriculture sheet, wherein the method comprises following steps (a) and (b), (a) providing the composition of the present invention, or the formulation of the present invention in a first shaping, preferably providing the composition onto a substrate or into an inflation moulding machine, and (b) fixing the matrix material by evaporating a solvent and / or polymerizing the composition by heat treatment or exposing the photosensitive composition under ray of light or a combination of any of these. In another aspect, the invention relates to a method for preparing the optical device (200) of the present invention, comprising following step (A); (A) providing the optical sheet of the present invention, in an optical device (200). In another aspect, the invention relates to a use of the particle of the present invention, or the composition of the present invention, the formulation of the present invention, the optical sheet (100) of the present invention, the optical device (200) of the present invention or the green house of the present invention for cultivation of algae, bacteria, preferably said bacteria are photosynthetic bacteria, and/or planktons, preferably it is photo planktons, preferably for improvement of controlling property of a phytoplankton condition, photosynthetic bacteria and/or alga, preferably acceleration of growth of phytoplankton, photosynthetic bacteria and/or alga; improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids, preferably by blue light; plant growth promotion; adjustment and / or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, vitamin content of plants; controlling of secondary metabolites, preferably controlling of polyphenols, and/or anthocyanins; controlling of a disease resistance of plants; controlling of ripening of fruits, or controlling of weight of plant. In another aspect, the invention relates to a method of supplying the particle of the present invention, or the composition of any one of the present invention, the formulation of the present invention to at least one portion of a plant. In another aspect, the invention relates to a method for modulating a condition of a plant, plankton, and/or a bacterium, comprising at least following step (C), (C) providing the optical sheet (100) of the present invention, between a light source and a plant, between a light source and a plankton, preferably said plankton is a phytoplankton, between a light source and a bacterium, preferably said bacterium is a photosynthetic bacterium, or providing the optical sheet (100) of the present invention over a ridge in a field or over a surface of planter, preferably said planter is a nutrient film technique hydroponics system or a deep flow technique hydroponics system to control plant growth. In another aspect, the invention relates to a plant obtained or obtainable by the method of the present invention, or a plankton obtained or obtainable by the method of the present invention, or a bacterium obtained or obtainable by the method of the present invention. In another aspect, the invention relates to a container comprising at least one plant, one plankton, and/or a bacterium of the present invention. Further advantages of the present invention will become evident from the following detailed description. Definition of the terms The above outlines and the following details are for describing the present invention and are not for limiting the claimed invention. Unless otherwise stated, the following terms used in the specification and claims shall have the following meanings for this application. In this application, the use of the singular includes the plural, and the words “a”, “an” and “the” mean “at least one”, unless specifically stated otherwise. In this specification, when one concept component can be exhibited by plural species, and when its amount (e.g. weight %, mol %) is described, the amount means the total amount of them, unless specifically stated otherwise. Furthermore, the use of the term “including”, as well as other forms such as “includes” and “included”, is not limiting. Also, terms such as “element” or “component” encompass both elements or components comprising one unit and elements or components that comprise more than one unit, unless specifically stated otherwise. As used herein, the term “and/or” refers to any combination of the elements including using a single element. In the present specification, when the numerical range is shown using “to”, the numerical range includes both numbers before and after the “to”, and the unit is common for the both numbers, unless otherwise specified. For example, 5 to 25 mol% means 5 mol% or more and 25 mol% or less. The section headings used herein are for organizational purposes and are not to be construed as limiting the subject matter described. All documents, or portions of documents, cited in this application, including, but not limited to, patents, patent applications, articles, books, and treatises, are hereby expressly incorporated herein by reference in their entirety for any purpose. If one or more of the incorporated literatures and similar materials defines a term in a manner that contradicts the definition of that term in this application, this application controls. According to the present invention, the term ”plant” means a multicellular organism in the kingdom Plantae that use photosynthesis to make their own food. Then according to the present invention, the plant can be flowers, vegetables, fruits, grasses, trees and horticultural crops (preferably flowers and horticultural crops, more preferably flowers). As one embodiment of the invention, the plant can be foliage plants. Exemplified embodiments of grasses are a poaceae, bambuseae (preferably sasa, phyllostachys), oryzeae (preferably oryza), pooideae (preferably poeae), triticeae (preferably elymus), elytrigia, hordeum, triticum, secale, arundineae, centotheceae, chloridoideae, hordeum vulgare, avena sativa, secale cereal, andropogoneae (preferably coix), cymbopogon, saccharum, sorghum, zea (preferably zea mays), sorghum bicolor, saccharum officinarum, coix lacryma-jobi var., paniceae (preferably panicum), setaria, echinochloa (preferably panicum miliaceum), echinochloa esculenta, and setaria italic. Embodiments of vegetables are stem vegetables, leaves vegetables, flowers vegetables, stalk vegetables, bulb vegetables, seed vegetables (preferably beans), roots vegetables, tubers vegetables, and fruits vegetables. One embodiment of the plant can be Gaillardia, Lettuce, Rucola, Komatsuna (Japanese mustard spinach) or Radish (preferably Gaillardia, Lettuce, or Rucola). The term “light modulating material” is a material which can change at least one of physical properties of light. Preferably it is selected from pigments, dyes and luminescent materials. The term “pigments” stands for materials that are insoluble in an aqueous solution and changes the color of reflected or transmitted light as the result of wavelength-selective absorption and/or reflection, e.g. Inorganic pigments, organic pigments and inorganic-organic hybrid pigments. The term “dyes“ means colored substances that are soluble in an aqueous solution and changes the color as the result of wavelength-selective absorption of irradiation. The term “luminescent” means spontaneous emission of light by a substance not resulting from heat. It is intended to include both, phosphorescent light emission as well as fluorescent light emission. Thus, the term “light luminescent material“ is a material which can emit either fluorescent light or phosphorescent light. The term “phosphorescent light emission“ is defined as being a spin prohibition light emission from a triplet state or higher spin state (e.g. quintet) of spin multiplicity (2S+1) ≥ 3, wherein S is the total spin angular momentum (sum of all the electron spins). The term “fluorescent light emission” is a spin allowed light emission from a singlet state of spin multiplicity (2S+1) =1. The term “wavelength converting material” or briefly referred to as a “converter” means a material that converts light of a first wavelength to light of a second wavelength, wherein the second wavelength is different from the first wavelength. Wavelength converting materials include organic materials and inorganic materials that can achieve photon up-conversion, and organic materials and inorganic materials that can achieve photon down-conversion. The term “photon down-conversion” is a process which leads to the emission of light at longer wavelength than the excitation wavelength, e.g. by the absorption of one photon leads to the emission of light at longer wavelength. The term “photon up-conversion” is a process that leads to the emission of light at shorter wavelength than the excitation wavelength, e.g. by the two- photon absorption (TPA) or Triplet-triplet annihilation (TTA), wherein the mechanisms for photon up-conversion are well known in the art. The term “organic material“ means a material of organometallic compounds and organic compounds without any metals or metal ions. The term “organometallic compounds” stands for chemical compounds containing at least one chemical bond between a carbon atom of an organic molecule and a metal, including alkaline, alkaline earth, and transition metals, e.g. Alq₃, LiQ, Ir(ppy)₃. The inorganic materials include phosphors and semiconductor nanoparticles. A “phosphor” is a fluorescent or a phosphorescent inorganic material which contains one or more light emitting centers. The light emitting centers are formed by activator elements such as e.g. atoms or ions of rare earth metal elements, for example La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, and/or atoms or ions of transition metal elements, for example Cr, Mn, Fe, Co, Ni, Cu, Ag, Au and Zn, and/or atoms or ions of main group metal elements, for example Na, Tl, Sn, Pb, Sb and Bi. Examples of suitable phosphors include phosphors based on garnet, silicate, orthosilicate, thiogallate, sulfide, nitride, silicon-based oxynitride, nitridosilicate, nitridoaluminumsilicate, oxonitridosilicate, oxonitridoaluminumsilicate and rare earth doped sialon. Phosphors within the meaning of the present application are materials which absorb electromagnetic radiation of a specific wavelength range, preferably blue and/or ultraviolet (UV) electromagnetic radiation and convert the absorbed electromagnetic radiation into electromagnetic radiation having a different wavelength range, preferably visible (VIS) light such as violet, blue, green, yellow, orange, or red light, or the near infrared light (NIR). Here, the term “UV” is electromagnetic radiation with a wavelength from 100 nm to 389nm, shorter than that of visible light but longer than X-rays. The term “VIS” is electromagnetic radiation with a wavelength from 390 nm to 700 nm. The term “NIR” is electromagnetic radiation with a wavelength from 701 nm to 1,000 nm. The term "semiconductor nanoparticle" in the present application denotes a crystalline nanoparticle which consists of a semiconductor material. Semiconductor nanoparticles are also referred to as quantum materials in the present application. They represent a class of nanomaterials with physical properties that are widely tunable by controlling particle size, composition and shape. Among the most evident size dependent property of this class of materials is the tunable fluorescence emission. The tunability is afforded by the quantum confinement effect, where reducing particle size leads to a “particle in a box” behavior, resulting in a blue shift of the band gap energy and hence the light emission. For example, in this manner, the emission of CdSe nanocrystals can be tuned from 660 nm for particles of diameter of ~6.5 nm, to 500 nm for particles of diameter of ~2 nm. Similar behavior can be achieved for other semiconductors when prepared as nanocrystals allowing for broad spectral coverage from the UV (using ZnSe, CdS for example) throughout the visible (using CdSe, InP for example) to the near-IR (using InAs for example). Semiconductor nanoparticles may have an organic ligand on the outermost surface of the nanoparticles. The term “emission” means the emission of electromagnetic waves by electron transitions in atoms and molecules. According to the present invention, the term “transparent” means at least around 60 % of incident light transmittal. Preferably, it is over 70 %, more preferably, over 75%, the most preferably, it is over 80 %. Brief Description of drawings Fig.1: shows a cross sectional view of a schematic of one embodiment of an optical sheet (100) of the invention. Fig.2: shows a cross sectional view of a schematic of one embodiment of an optical device (200) of the invention. Fig.3: shows a cross sectional view of a schematic of another embodiment of an optical device of the invention. Fig.4: shows a schematic of another embodiment of an optical device of the invention. Fig.5: shows results of the SEM analysis of working example 1. Fig.6: shows results of the SEM analyssi of working example 1. Fig.7A,B: shows results of the SEM analysis of working example 10. List of reference signs in figure 1 100. an optical sheet (a color conversion sheet) 110. a particle of the invention 120. a matrix material 130. an additive (optional) List of reference signs in figure 2 200. an optical device (a light emitting diode device) 210. a particle of the invention 220. a matrix material 230. a light emitting diode element 240. conductive wires 250. a molding Material 260a. a cup 260b. a mount lead 270. an inner lead List of reference signs in figure 3 300. an optical device (a light emitting diode device) 301. a color conversion sheet 310. a particle of the invention 320. a matrix material 330. a light emitting diode element 340. an additive (optional) 350. a casing 360. converted light 370. emitted light List of reference signs in figure 4 400. an optical device 100. an optical sheet 100a. a first layer of the optical sheet 100b. a second layer of the optical sheet (optional) 100c. a third layer of the optical sheet (optional) 410. a supporting part Detailed Description of the invention - Method for fabricating a particle of polymer coated inorganic phosphor According to the present invention, said method comprises, essentially consisting of, or consisting of, at least the following steps: a) Preparing a 1^st reaction mixture by mixing at least 1^st polymer precursor, an inorganic phosphor and optionally a polymerization initiator, together with at least a 1^st solvent; b) Reacting the 1^st polymer precursor in the 1^st reaction mixture without using water as a solvent to form a 1^st polymer coating layer on the surface of the inorganic phosphor, preferably said reaction is triggered by applying irradiation of rays to the 1^st reaction mixture and/or by applying a heat treatment, preferably said polymerization initiator is selected from one or more members of the group consisting of photo acid-generators, photo radical – generators, photo base – generators, heat acid-generators, heat base – generators and heat radical – generators, preferably said ray is visible light, UV rays, IR rays, X-rays, electron beams, α-rays, γ-rays or a combination of any of these, preferably said steps a) and b) are carried out in this sequence. After the reaction in step b), polymer coated inorganic phosphor(s) can be removed from the reaction mixture by publicly known method. It is believed that water damage during the reaction step b) to the phosphor is prevented since said reaction step b) is carried out without using water as a solvent. In a preferable embodiment of the present invention, no water is used at least in step b), preferably no water is used in step a) and step b), more preferably no water is used in the whole fabrication process to avoid any water damage to the inorganic phosphor. Preferably, a plurality of inorganic phosphors is used in all the steps of the method. In some embodiments of the present invention, said heat treatment is applied in step b) and at least one polymerization initiators selected from heat acid-generators, heat base – generators, heat radical – generators or a combination of any of these is added in the first reaction mixture in step a). In some embodiments of the present invention, said irradiation of rays to the 1^st reaction mixture is applied in step b) and at least one polymerization initiators selected from photo acid-generators, photo radical – generators, photo base – generators or a combination of any of these is added in the first reaction mixture in step a). Optionally, one or more of heat acid-generators, heat base – generators and/or heat radical – generators can be added as the second polymerization initiators. Optionally, heating treatment process to complete polymerization process can be applied after step b) when said irradiation is applied in step b). -1^st polymer precursor In a preferable embodiment of the present invention, said 1^st polymer precursor is an acidic monomer or an acidic oligomer, preferably it is an acidic monomer, more preferably it is selected from one or more members of the group consisting of acrylic acid, 2-chloroacrylic acid, 2-bromoacrylic acid, methacrylic acid, 2-phenylacrylic acid, 2-(methoxymethyl)-2- propenoic acid, 2-methylenesuccinic acid, methyl itaconate, ethyl itaconate, 2-methylene-4-oxo-pentanoic acid, propylacrylic acid, 1-[2-[(2- methyl-1-oxo-2-propen-1-yl)oxy]ethyl] ester butanedioic acid (for example, Kyoeisha Chemical “LIGHT ESTER HO-MS(N)”), 1-[2-[(2-methyl-1-oxo-2- propen-1-yl)oxy]ethyl] ester 1,2-cyclohexanedicarboxylic acid (for example, Kyoeisha Chemical “LIGHT ESTER HO-HH(N)”), 2- methacryloyloxyethyl acid phosphate (for example, Kyoeisha Chemical “LIGHT ESTER P-1M(N)”), bis(2-methacryloyloxyethyl acid) phosphate (for example, Kyoeisha Chemical “LIGHT ESTER P-2M(N)”), 1-[2-[(1-oxo- 2-propen-1-yl)oxy]ethyl] ester butanedioic acid (for example, Kyoeisha Chemical “LIGHT ACRYLATE HOA-MS(N)”), 1-[2-[(1-oxo-2-propen-1-yl) oxy]ethyl] ester 1,2-cyclohexanedicarboxylic acid (for example, Kyoeisha Chemical “LIGHT ACRYLATE HOA-HH(N)”), 1-[2-[(1-oxo-2-propen-1-yl) oxy]ethyl] ester 1,2-Benzenedicarboxylic acid (for example, Kyoeisha Chemical “LIGHT ACRYLATE HOA-MPL(N)”), 2-(phosphonooxy)ethyl ester 2-propenoic acid (for example, Kyoeisha Chemical “LIGHT ACRYLATE P-1M(N)”), 1-[1-[[4-[1-[4-[2-hydroxy-3-[(1-oxo-2-propen-1-yl) oxy]propoxy]phenyl]-1-methylethyl]phenoxy]methyl]-2-[(1-oxo-2-propen-1- yl)oxy]ethyl] ester 4-cyclohexene-1,2-dicarboxylic acid; and styrene derivative monomer such as 4-vinylbenzoic acid, 4-(1-methylethenyl) benzoic acid. It is believed that the acidic monomer disclosed above is suitable to form a polymer to form a polymer coating layer directly onto an inorganic phosphor since said acidic monomer has a group which can attach onto the surface of the inorganic phosphor. In a further preferable embodiment of the present invention, said 1^st polymer precursor is a (meth)acrylate monomer represented by chemical formula (I),

wherein A is

X is a non-substituted or substituted alkyl group, aryl group or an alkoxy group; R¹ is a hydrogen atom, halogen atom of Cl, Br, or F, methyl group, alkyl group, aryl group, alkoxy group, ester group, or a carboxylic acid group; m is 1, 2 or 3 when Y is a phosphonic acid, m is 1 when Y is not a phosphonic acid; Y is an anchoring group selected from one or more members of the group consisting of phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amine, carboxyl groups, hetero cyclic groups, silane groups, sulfonic acids, hydroxyl groups, succinates and phosphonic acids, preferably Y is carboxyl group, phosphonate group or a phosphonic acid from the view point of stronger anchoring ability to the phosphor surface; preferably the symbol X is wherein

n is 0 or 1; R² is a straight alkylene chain or alkoxylene chain having 1 to 25 carbon atoms, preferably R² is a straight alkylene chain or alkoxylene chain having1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms, which may be substituted by one or more radicals R^a, where one or more non-adjacent CH2 groups may be replaced by R^aC=CR^a, C≡C, Si(R^a)2, Ge(R^a)2, Sn(R^a)2, C=O, C=S, C=Se, C=NR^a, P(=O)(R^a), SO, SO2, NR^a, OS, or CONR^a and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO₂; R^a is at each occurrence, identically or differently, H, D or an alkyl group having 1 to 20 carbon atoms, cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a hetero aromatic ring system having 5 to 60 carbon atoms, wherein H atoms may be replaced by D, F, Cl, Br, I; two or more adjacent substituents R^a here may also form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system with one another; more preferably said formula (I) is formula (II) or formula (III),

wherein Z¹ is symbol A, hydrogen atom, D, F, Cl, Br, I, a branched or straight alkyl chain having 1-15 carbon atoms, a branched or straight alkylene chain or alkoxylene chain having1 to 15 carbon atoms or an aryl group having 3 to 15 carbon atoms; Z² is symbol A, hydrogen atom, D, F, Cl, Br, I, a branched or straight alkyl chain having 1-15 carbon atoms, a branched or straight alkylene chain or alkoxylene chain having1 to 15 carbon atoms or an aryl group having 3 to 15 carbon atoms. Examples of formula (II) and formula (III) More preferable examples are described below in table 1. ,

,

In a preferred embodiment of the present invention, the reaction in step (b) is carried out at the temperature in the range from 35°C to 120°C, preferably from 50°C to 100°C, more preferably from 50°C to 85 °C, even more preferably from 55°C to 80°C, further more preferably from 60°C to 76 °C. more preferably said reaction is triggered by applying a heat treatment at the temperature mentioned above. Optionally, irradiation of rays to the 1^st reaction mixture can be applied in step b) together with said heat treatment. In a preferred embodiment of the present invention, the total amount of the 1^st polymer precursor used in step (b) is in the range from 0.5 to 20 (parts) pts.wt based on the total amount of the inorganic phosphor used in step Ĩb), more preferably it is in the range from 1 to 10 pts.wt, even more preferably it is in the range from 2 to 7.5 pts.wt, further more preferably it is in the range from 3 to 5 pts.wt. It is believed that if the amount of the 1^st polymer precursor is 0,5 pts.wt. or more based on the total amount of the inorganic phosphor, it can realize a good polymer coating and can reduce or preferably prevent an incomplete polymer coating. And if the amount of the 1^st polymer precursor is 20 pts.wt. or less based on the total amount of the inorganic phosphor, it can reduce or preferably prevent the situation that the redundant too much 1^st polymer is attached onto the inorganic phosphor. -Inorganic phosphor In a preferred embodiment of the present invention, said inorganic phosphor contains one or more of elements selected from the group consisting of alkali metal elements, alkaline metal elements, phosphorous atom, boron atom and sulfur atom, preferably said alkali metal element is Li, Na, Ka or a combination of any of these, and said alkaline metal element is Be, Mg, Ca, Sr, Ba or a combination of any of these. It is believed that the polymer coating by the method of the present invention is especially preferable to the inorganic phosphors containing one or more of elements selected from the group consisting of alkali metal elements, alkaline metal elements, and phosphorous atom, preferably said alkali metal element is Li, Na, Ka or a combination of any of these, and said alkaline metal element is Be, Mg, Ca, Sr, Ba or a combination of any of these to avoid any water damage to the phosphors. In a preferred embodiment of the present invention, the inorganic phosphor has a peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably in the range from 600 to 1500 nm, more preferably in the range from 650 to 1000 nm, even more preferably in the range from 650 to 800 nm, furthermore preferably in the range from 650 to 750 nm, much more preferably it is from 660 nm to 730 nm, the most preferably from 670 nm to 710nm, and / or at least one inorganic phosphor having a peak wavelength of light emitted from the inorganic phosphor in the range of 500 nm or less, preferably in the range from 250 nm to 500 nm, more preferably in the range from 300 nm to 500 nm, even more preferably in the range from 350 nm to 500 nm, furthermore preferably in the range from 400 nm to 500nm, much more preferably in the range from 420 nm to 480 nm, the most preferably in the rage from 430 nm to 460 nm, and / or at least one inorganic phosphor having a first peak wavelength of light emitted from the inorganic phosphor in the range of 500nm or less, and a second peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 250nm to 500nm, and the second peak light emission wavelength is in the range from 600 nm to 1500 nm, more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 300nm to 500nm, and the second peak light emission wavelength is in the range from 600 nm to 1000 nm, even more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 350nm to 500nm, and the second peak light emission wavelength is in the range from 650 nm to 800 nm, furthermore preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 400nm to 500nm, and the second peak light emission wavelength is in the range from 650 nm to 750 nm, much more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 420 nm to 480 nm, and the second peak light emission wavelength is in the range from 660 nm to 740 nm, the most preferably the first peak wavelength of light emitted from the inorganic phosphor is in the rage from 430 nm to 460 nm and the second peak wavelength of light emitted from the inorganic phosphor is in the range from 660 nm to 710 nm. According to the present invention the term peak wavelength comprises both the main peak of an emission/absorption spectrum having maximum intensity/absorption and side peaks having smaller intensity/absorption than the main peak. Preferably, the term peak wavelength is related to a side peak. Preferably, the term peak wavelength is related to the main peak having maximum intensity/absorption. In some embodiments of the present invention, the phosphor is a nontoxic phosphor, preferably it is an edible phosphor. In a preferred embodiment of the present invention, said inorganic phosphor is selected from the group consisting of metal-oxide phosphors, silicate and halide phosphors, phosphate phosphors, borate and borosilicate phosphors, aluminate, gallate and alumosilicate phosphors, sulfate, sulfide, selenide and telluride phosphors, nitride and oxynitride phosphors and SiAlON phosphors, preferably, it is a metal oxide phosphor, more preferably it is a Mn activated metal oxide phosphor or a Mn activated phosphate based phosphor, even more preferably it is a Mn activated metal oxide phosphor. It is believed that the Mn⁴⁺ activated metal oxide phosphors, Mn, Eu activated metal oxide phosphors, Mn²⁺ activated metal oxide phosphors, Fe³⁺ activated metal oxide phosphors can be used preferably from the viewpoint of environmentally friendly since these phosphors do not create Cr⁶⁺ during synthesis procedure. Without wishing to be bound by theory, it is believed that the Mn⁴⁺ activated metal oxide phosphors are very useful for plant growth, since it shows narrow full width at half maximum (hereafter “FWHM”) of the light emission, and have the peak absorption wavelength in UV and green wavelength region such as 350 nm and 520 nm, and the emission peak wavelength is in near infrared ray region in the range of 600 nm or more, preferably in the range from 600 to 1500 nm, more preferably in the range from 650 to 1000 nm, even more preferably in the range from 650 to 800 nm, furthermore preferably in the range from 650 to 750 nm, much more preferably it is from 660 nm to 730 nm, the most preferably from 670 nm to 710nm. In other words, without wishing to be bound by theory, it is believed that the Mn⁴⁺ activated metal oxide phosphors can absorb the specific UV light which attracts insects, and green light which does not give any advantage for plant growth, and can convert the absorbed light to longer wavelength in the range of 600 nm or more, preferably in the range from 600 to 1500 nm, more preferably in the range from 650 to 1000 nm, even more preferably in the range from 650 to 800 nm, furthermore preferably in the range from 650 to 750 nm, much more preferably it is from 660 nm to 730 nm, the most preferably from 670 nm to 710nm, which can effectively accelerate plant growth. Preferably, the inorganic phosphor is selected from one or more of Mn activated metal oxide phosphors or Mn activated phosphate based phosphors represented by one of the following formulae (I) to (XII), A¹xB¹yO_z:Mn⁴⁺ - (I) wherein A¹ is a divalent cation selected from one or more members of the group consisting of Mg²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Mn²⁺, Ce²⁺ and Sn²⁺, B¹ is a tetravalent cation and is Ti³⁺, Zr³⁺ or a combination of these; x≧1; y≧0; (x+2y) = z, preferably A¹ is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Zn²⁺, B¹ is Ti³⁺, Zr³⁺ or a combination of Ti³⁺ and Zr³⁺, x is 2, y is 1, z is 4, more preferably formula (I) is Mg2TiO4:Mn⁴⁺; X_aZ_bO_c:Mn⁴⁺ - (II) wherein X is a monovalent cation and is selected from one or more members of the group consisting of Li⁺, Na⁺, K⁺, Ag⁺ and Cu⁺; Z is a tetravalent cation and is selected from the group consisting of Ti³⁺ and Zr³⁺; b≧0; a≧1; (0.5a+2b) = c, preferably X is Li⁺, Na⁺ or a combination of these, Z is Ti³⁺, Zr³⁺ or a combination of these a is 2, b is 1, c is 3, more preferably formula (II) is Li2TiO3:Mn⁴⁺; E₁₄A2₆B2₁₀O35:Mn⁴⁺ - (III) wherein E is a divalent cation selected from Ca²⁺, Sr²⁺, Ba²⁺ or a combination of any of these, A² is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Mn²⁺, Ce²⁺ and Sn²⁺, B² is a tetravalent cation and is Al³⁺, Ga³⁺ or a combination of these; preferably A² is Mg²⁺, Zn²⁺ or a combination of Mg²⁺ and Zn²⁺, B¹ is Ti³⁺, Zr³⁺ or a combination of Ti³⁺ and Zr³, more preferably formula (III) is (Ca, Sr, Ba)14(Al, Ga)10(Zn, Mg)₆O₃₅:Mn⁴⁺, even more preferably it is Ca₁₄Al₁₀Zn₆O₃₅:Mn⁴⁺; GjJkLlOm:Mn⁴⁺ - (IV) wherein G is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Mn²⁺, Ce²⁺ and Sn²⁺; J is a trivalent cation and is selected from the group consisting of Y³⁺, Al³⁺, Ga³⁺, Lu³⁺, Sc³⁺, La³⁺ and In³⁺; L is a trivalent cation and is selected from the group consisting of Al³⁺, Ga³⁺, Lu³⁺, Sc³⁺, La³⁺ and In³⁺; l≧0; k≧0; j≧0; (j+1.5k+1.5l) = m, preferably G is selected from Ca²⁺, Sr²⁺, Ba²⁺ or a combination of any of these, J is Y³⁺, Lu³⁺ or a combination of these, L is Al³⁺, Gd³⁺ or a combination of these, j is 1, k is 1, l is 1, m is 4, more preferably it is CaYAlO4:Mn⁴⁺; M_nQ_oR_pO_q:Eu,Mn - (V) wherein M and Q are divalent cations and are, independently or dependently of each other, selected from one or more members of the group consisting of Mg²⁺, Sr²⁺, Ba²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Mn²⁺, Ce²⁺; R is Ge³⁺, Si³⁺, or a combination of these; n≧1; o≧0; p≧1; (n+o+2.0p) = q, preferably M is Ca²⁺, Q is Mg²⁺, Ca²⁺, Zn²⁺ or a combination of any of these, R is Si³⁺, n is 1, o is 1, p is 2, q is 6, more preferably it is CaMgSi2O6:Eu²⁺, Mn²⁺; M²nQ2 oR2 pO2 q:Eu, - (V`) wherein M² is a divalent cation selected from Ca²⁺, Sr²⁺, Ba²⁺ or a combination of any of these, Q is a divalent cation selected from one or more members of the group consisting of Mg²⁺, Sr²⁺, Ba²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Mn²⁺, Ce²⁺; R is Ge³⁺ and Si³⁺; n≧1; o≧0; p≧1; (n+o+2.0p) = q, preferably M is Ca²⁺, Q is Mg²⁺, Ca²⁺, Zn²⁺ or a combination of any of these, R is Si³⁺, n is 1, 2 or 3, o is 1, p is 2, q is 6 when n is 1, q is 7 when n is 2, q is 8 when n is 3, more preferably it is (Ca, Sr, Ba)MgSi2O6:Eu²⁺, e.g. CaMgSi2O6:Eu²⁺, (Ca, Sr, Ba)2MgSi2O7:Eu²⁺, e.g. Ca2MgSi2O7:Eu²⁺ or (Ca, Sr, Ba)3MgSi2O8:Eu²⁺, e.g. Ca₃MgSi₂O₈:Eu²⁺; In some embodiments, as a metal oxide phosphor, another new light emitting phosphor represented by following general formula (VI), (VI´), (VII), (VII´) (VIII) which can exhibit deep red-light emission, preferably with a sharp emission around 700 nm under excitation light of 300 to 400 nm, which are suitable to promote plant growth, can be used preferably. A³5P6O25:Mn (VI) wherein the component “A³” stands for at least one cation selected from the group consisting of Si⁴⁺, Ge⁴⁺, Sn⁴⁺, Ti⁴⁺ and Zr⁴⁺, preferably Mn is Mn⁴⁺, more preferably said phosphor is Si₅P₆O₂₅:Mn⁴⁺; (A³1-xMnx)5P6O25 (VI’) wherein the component A³ stands for at least one cation selected from the group consisting of Si⁴⁺, Ge⁴⁺, Sn⁴⁺, Ti⁴⁺ and Zr⁴⁺, preferably A³ is Si⁴⁺; 0<x≤0.5, preferably 0.05<x≤0.4, preferbly Mn is Mn4⁺; XO6 (VII) wherein X=(A⁴)₂B²(C¹ _(1-x) Mn^４ ₊ _5/4x), or X=A⁵B³C²(D¹ _(1-y) Mn^４ ₊ _1.5y), 0 < x ≤ 0.5, 0 < y ≤ 0.5, A⁴, B², C¹, A⁵, B³, C² and D¹ are independently same to below formula (VII´); A⁴ ₂B³C¹O₆:Mn (VII´) wherein A⁴ = at least one cation selected from the group consisting of Mg²⁺, Ca²⁺, Sr²⁺ and Ba²⁺ Zn²⁺, preferably A⁴ is Ba²⁺; B³ = at least one cation selected from the group consisting of Sc³⁺, Y³⁺, La³⁺, Ce³⁺, B³⁺, Al³⁺ and Ga³⁺, preferably B³ is Y³⁺; C¹ = at least one cation selected from the group consisting of V⁵⁺, Nb⁵⁺ and Ta⁵⁺, preferably C¹ is Ta⁵⁺; preferably Mn is Mn⁴⁺, more preferably said phosphor is Ba2YTaO6:Mn⁴⁺; A⁵B⁴C²D¹O₆:Mn (VIII) wherein A⁵ = at least one cation selected from the group consisting of Li⁺, Na⁺, K⁺ _, Rb⁺ and Cs⁺, preferably A⁵ is Na⁺; B⁴ = at least one cation selected from the group consisting of Sc³⁺, La³⁺, Ce³⁺, B³⁺, Al³⁺ and Ga³⁺, preferably B⁴ is La³⁺; C² = at least one cation selected from the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺, preferably C² is Mg²⁺; D¹ = at least one cation selected from the group consisting of Mo⁶⁺ and W⁶⁺, preferably D¹ is W⁶⁺, preferably Mn is Mn⁴⁺, more preferably said phosphor is more preferably the phosphor is NaLaMgWO6:Mn⁴⁺; A⁶ _aB5_bC3_cO_z:X (IX) wherein A⁶ is at least one cation selected from the group consisting of is a trivalent cation and is selected from one or more members of the group consisting of Sc³⁺, Y³⁺, La³⁺, Ce³⁺, Pr³⁺, Nd³⁺, Pm³⁺, Sm³⁺, Eu³⁺, Gd³⁺, Tb³⁺, Dy³⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Lu³⁺, Ti³⁺, V³⁺, Cr³⁺, Mn³⁺, Fe³⁺, Co³⁺, Ni³⁺, Cu³⁺, Nb³⁺, Mo³⁺, Ru³⁺, Rh³⁺, Pd³⁺, Ag³⁺, Ta³⁺, W³⁺, Ir³⁺, Au³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, Tl³⁺, P³⁺, As³⁺, Sb³⁺ and Bi³⁺; B⁵ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt²⁺, Zn²⁺, Cd²⁺, Hg²⁺, Ge²⁺, Sn²⁺ and Pb²⁺, C³ is a tetravalent cation and is selected from one or more members of the group consisting of Ce⁴⁺, Pr⁴⁺, Nd⁴⁺, Tb⁴⁺, Dy⁴⁺, Ti⁴⁺, V⁴⁺, Cr⁴⁺, Mn⁴⁺, Fe⁴⁺, Co⁴⁺, Ni⁴⁺, Zr⁴⁺, Nb⁴⁺, Mo⁴⁺, Tc⁴⁺, Ru⁴⁺, Rh⁴⁺, Pd⁴⁺, Hf⁴⁺, Ta⁴⁺, W⁴⁺, Re⁴⁺, Os⁴⁺, Ir⁴⁺, Pt⁴⁺, Si⁴⁺, Ge⁴⁺, Sn⁴⁺, Pb⁴⁺, S⁴⁺, Se⁴⁺, Te⁴⁺ and Po⁴⁺, preferably A is Sc³⁺, Y³⁺, La³⁺, Lu³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, P³⁺, Bi³⁺ or a combination of any of these; B is Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺ or a combination of any of these; C is Ce⁴⁺, Ti⁴⁺, Zr⁴⁺, Hf⁴⁺, Si⁴⁺, Ge⁴⁺, Sn⁴⁺ or a combination of any of these; X is Ce³⁺, Eu³⁺, Eu²⁺, Tb³⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺ or a combination of any of these, preferably X is Mn⁴⁺; a is 2, b is 1, c is 1, z is 6; more preferably it is Y2MgTiO6:Mn⁴⁺; A⁷ 6 aB bOz:X -(X) wherein A⁷ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt²⁺, Zn²⁺, Cd²⁺, Hg²⁺, Ge²⁺, Sn²⁺ and Pb²⁺, B⁶ is a trivalent cation and is selected from one or more members of the group consisting of Sc³⁺, Y³⁺, La³⁺, Ce³⁺, Pr³⁺, Nd³⁺, Pm³⁺, Sm³⁺, Eu³⁺,

X is a luminescent ion and is selected from one or more members of the group consisting of Ce³⁺, Pr³⁺, Nd³⁺, Nd⁴⁺, Pm³⁺, Sm³⁺, Eu³⁺, Eu²⁺, Gd³⁺, Tb³⁺, Dy²⁺, Dy³⁺, Dy⁴⁺, Ho²⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Yb²⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe^3+, preferably X is Mn⁴⁺; a≧0; b≧0; c≧0; z≧0; (a+1.5b) = z; preferably A⁷ is Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺or a combination of any of these; B⁶ is Sc³⁺, Y³⁺, La³⁺, Lu³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, P³⁺, Bi³⁺, or a combination of any of these; X is Ce³⁺, Eu³⁺, Eu²⁺, Tb³⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺, or a combination of any of these; a is 4, b is 14, z is 25; more preferably the formula is Sr₄Al₁₄O₂₅:Mn⁴⁺; A⁸ _aB7_bC4_cO_z:X (XI) wherein A⁸ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt²⁺, Zn²⁺, Cd²⁺, Hg²⁺, Ge²⁺, Sn²⁺ and Pb²⁺, B⁷ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt²⁺, Zn²⁺, Cd²⁺, Hg²⁺, Ge²⁺, Sn²⁺ and Pb²⁺, C⁴ is a trivalent cation and is selected from one or more members of the group consisting of Sc³⁺, Y³⁺, La³⁺, Ce³⁺, Pr³⁺, Nd³⁺, Pm³⁺, Sm³⁺, Eu³⁺, Gd³⁺, Tb³⁺, Dy³⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Lu³⁺, Ti³⁺, V³⁺, Cr³⁺, Mn³⁺, Fe³⁺, Co³⁺, Ni³⁺, Cu³⁺, Nb³⁺, Mo³⁺, Ru³⁺, Rh³⁺, Pd³⁺, Ag³⁺, Ta³⁺, W³⁺, Ir³⁺, Au³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, Tl³⁺, P³⁺, As³⁺, Sb³⁺ and Bi³⁺; X is a luminescent ion and is selected from one or more members of the group consisting of Ce³⁺, Pr³⁺, Nd³⁺, Nd⁴⁺, Pm³⁺, Sm³⁺, Eu³⁺, Eu²⁺, Gd³⁺, Tb³⁺, Dy²⁺, Dy³⁺, Dy⁴⁺, Ho²⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Yb²⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺, a≧0; b≧0; c≧0; z≧0; (a+b+1.5c) = z; A⁸ is Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺, or a combination of any of these; B⁷ is Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺, or a combination of any of these; is Sc³⁺, Y³⁺, La³⁺, Lu³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, P³⁺, Bi³⁺, or a combination of any of these; X is Ce³⁺, Eu³⁺, Eu²⁺, Tb³⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺, or a combination of any of these, preferably X is Eu²⁺; a is 1, b is 1, c is 10, z is 17; more preferably the formula is BaMgAl10O17:Eu²⁺; A⁹ _a(B8_bO_z)_nC5_c:X (XII) wherein A⁹ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt, ²⁺ Zn²⁺, Cd²⁺, H²⁺g, Ge²⁺, Sn²⁺ and Pb²⁺; B⁸ is a pentavalent cation and is selected from one or more members of the group consisting of V⁵⁺, Cr⁵⁺, Mn⁵⁺, Co⁵⁺, Nb⁵⁺, Mo⁵⁺, Tc⁵⁺, Ru⁵⁺, Rh⁵⁺, Ta⁵⁺, W⁵⁺, Re⁵⁺, Os⁵⁺, Ir⁵⁺, Pt⁵⁺, Au⁵⁺, P⁵⁺, As⁵⁺, Sb⁵⁺ and Bi⁵⁺; C⁵ is at monovalent anion and is selected from one or more members of the group consisting of F-, Cl-, Br- and I-; X is a luminescent ion and is selected from one or more members of the group consisting of Ce³⁺, Pr³⁺, Nd³⁺, Nd⁴⁺, Pm³⁺, Sm³⁺, Eu³⁺, Eu²⁺, Gd³⁺, Tb³⁺, Dy²⁺, Dy³⁺, Dy⁴⁺, Ho²⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Yb²⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺; a≧0; b≧0; c≧0; n≧0, z≧0; (a+2.5b*n) = (z*n+0.5c); preferably, A⁹ is Mg, Ca, Sr, Ba and Zn, or a combination of any of these, is V, Nb, Mo, Ta, W, P, Bi, or a combination of any of these, X is Ce³⁺, Eu³⁺, Eu²⁺, Tb³⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺, or a combination of any of these, preferably X is Eu²⁺; C⁵ is F-, Cl-, or a combination of any of these; a is 5, b is 1, c is 1, n is 3 z is 4; more preferably the formula is (Ca,Sr,Ba)₅(PO₄)₃Cl:Eu²⁺; preferably said inorganic phosphor is an inorganic phosphor represented by formula (III), (VI), (VI´), (VII), (VII´) or (XII); preferably said inorganic phosphor is selected from one or more members of the group consisting of (Mg,Zn)Ga₂O₄:Cr³⁺, Ca₂(Ga,Al)NbO₆:Cr³⁺, LiInSi2O6:Cr³⁺, Na3AlF6:Cr³⁺, Mg3Ga2GeO8 :Cr³⁺, SrMgAl10O17:Cr³⁺, Na2TiSiO5:Cr³⁺, MgAl2O4:Cr³⁺, Mg3Ga2GeO8:Cr³⁺, Zn3Ga2Ge2O10:Cr³⁺, Sr₂MgWO₆:Cr³⁺, Li₂ZnGe₃O₈:Cr³⁺, Mg₄Ga₄Ge₃O₁₆:Cr³⁺, La₂MgGeO₆:Cr³⁺, Na2ZnP2O7:Cr³⁺, Li(Al,Ga)5O8:Cr³⁺, Zn3Ga2GeO8:Cr³⁺, Ca2MgWO6:Cr³⁺, CaAl12O19:Cr³⁺, La3Ga5GeO14:Cr³⁺, CaY2(Ga,Sc)2Al2SiO12:Mn⁴⁺, Y₂Mg₃Ge₃O₁₂:Mn⁴⁺, (Sr,Ba)₂MgGe₂O₇:Mn⁴⁺, LaScO₃:Mn⁴⁺, SrLa₂Sc₂O₇:Mn⁴⁺, SrLaScO₄:Mn⁴⁺, CaYAlO₄:Mn⁴⁺, SrLaAlO₄:Mn⁴⁺, LaGaO3:Mn⁴⁺, (La,Gd)2(Mg,Zn)TiO6:Mn⁴⁺, YMgTiO6:Mn⁴⁺, (Ca,Sr,Ba)TiO₃:Mn⁴⁺, PbTiO₃:Mn⁴⁺, CaZrO₃:Mn⁴⁺, La₂(Mg,Zn)GeO₆:Mn⁴⁺, (Ca,Sr,Ba)2(Y,La,Gd)(Nb,Ta,Sb)O6:Mn⁴⁺, (Ca,Sr,Ba)Mg(Y,La,Gd)(Nb,Ta,Sb)O6:Mn⁴⁺, LiLa2(Nb,Ta,Sb)O6:Mn⁴⁺, Sr2ZnMoO6:Mn⁴⁺, (Li,Na,K)LaMgWO6:Mn⁴⁺, (Ca,Sr,Ba)Mg2La2WO12:Mn⁴⁺, (Ca,Sr,Ba)₂MgLa₂WO₁₂:Mn⁴⁺, (Ca,Sr,Ba)₃La₂WO₁₂:Mn⁴⁺, (Li,Na,K)(La,Gd)MgTe6:Mn⁴⁺, Sr2ZnWO6:Mn⁴⁺, (Y,Gd,Lu)2(Ti,Sn)2O7:Mn⁴⁺, LiGaGe2O6:Mn⁴⁺, LiAlO2:Mn⁴⁺, Li2TiO3:Mn⁴⁺, Li2MgZrO4:Mn⁴⁺, (Ca,Sr,Ba)Al₁₂O₁₉:Mn⁴⁺, (Ca,Sr,Ba)MgAl₁₀O₁₇:Mn⁴⁺, Na₂MgAl₁₀O₁₇:Mn⁴⁺, CaMg2Al16O27:Mn⁴⁺, Sr2MgAl22O36:Mn⁴⁺, Ca2Mg2Al28O46:Mn⁴⁺, CaGa2O4:Mn⁴⁺, ZnGa2O4:Mn⁴⁺, BaMg6Ti6O19:Mn⁴⁺, Li2MgTi3O8:Mn⁴⁺, Mg3Al2TiO8:Mn⁴⁺, (Mg,Zn)2TiO4:Mn⁴⁺, LiGaTiO4:Mn⁴⁺, Mg2GeO4:Mn⁴⁺, Mg₄TiSnO₈:Mn⁴⁺, MgB₂O₄:Mn⁴⁺, CaAl₂O₄:Mn⁴⁺, (Ca,Sr)Al₄O₇:Mn⁴⁺, SrAl4O7:Mn⁴⁺, Sr2Al6O11:Mn⁴⁺, Sr4Al14O25:Mn⁴⁺, Ca14Al10Zn6O35:Mn⁴⁺, Ca₁₄Al₁₀Zn₆O₃₅:Dy³⁺, Mn⁴⁺, Ca₁₄Al₁₀Zn₆O₃₅:Dy³⁺,Mn⁴⁺,Na⁺ , Ca₃Al₄ZnO₁₀:Mn⁴⁺, Ca₃Y(AlO)₃(BO₃)₄:Mn⁴⁺, Li₅AlO₄:Mn⁴⁺, Li(Al,Ga)5O8:Mn⁴⁺, Sr3SiAl10O20:Mn⁴⁺, MgTiO3:Mn⁴⁺, MgAl2Si2O8:Mn⁴⁺, Na2ZnSiO4:Mn⁴⁺, Mg2Al4Si5O18:Mn⁴⁺, Sr2Ge7SiO18:Mn⁴⁺, 2MgO·GeO₂:Mn⁴⁺, 2MgO·GeO₂·MgF₂:Mn⁴⁺, 3.5MgO·0.5MgF₂·GeO₂:Mn⁴⁺, 4MgO·GeO₂:Mn⁴⁺, Ba₂GeO₄:Mn⁴⁺, (Li,Na,K)₂MgGeO₄:Mn⁴⁺, Sr₂GeO₄:Mn⁴⁺, Zn₂GeO₄:Mn⁴⁺, Ba₂Ge₄O₉:Mn⁴⁺, Ba₂TiGe₂O₈:Mn⁴⁺, BaAl2Ge2O8:Mn⁴⁺, BaGe4O9:Mn⁴⁺, K2BaGe8O18:Mn⁴⁺, K2Ge4O9:Mn⁴⁺, Li3RbGe8O18:Mn⁴⁺, (Li,Na,K,Rb)2Ge4O9:Mn⁴⁺, SrGe4O9:Mn⁴⁺, La3GaGe5O16:Mn⁴⁺, Mg14Ge5O24:Mn⁴⁺, Mg28Ge10O48:Mn⁴⁺, Mg₃Ga₂GeO₈:Mn⁴⁺, Mg₄GeO₆:Mn⁴⁺, Mg₆ZnGa₂GeO₁₂:Mn⁴⁺, Mg7Ga2GeO12:Mn⁴⁺, Li2Mg3SnO6:Mn⁴⁺, Li2SnO3:Mn⁴⁺, Li2ZnSn2O6:Mn⁴⁺, LiSr3SbO6:Mn⁴⁺, NaSr3SbO6:Mn⁴⁺, Li2Ge4O9:Mn⁴⁺, Li3Mg2NbO6:Mn⁴⁺, Li₅La₃Ta₂O₁₂:Mn⁴⁺, Zn₂P₂O₇:Mn⁴⁺, Sr9Y2W4O24:Mn⁴⁺,(Ca,Sr,Ba)3MgSi2O8:Mn⁴⁺, (Ca,Sr,Ba)2MgSi2O7:Mn⁴⁺, (Ca,Sr,Ba)MgSi2O6:Mn⁴⁺, Mg 4+ 4+ 8Ge2O11F2:Mn , Si5P6O25:Mn , Ba₂YTaO₆:Mn⁴⁺, (Na,K,Rb)₂(Ti,Si,Ge,Sn)F₆:Mn⁴⁺, (Na,K,Rb)₃(Ti,Si,Ge,Sn)F₇:Mn⁴⁺, (Zn,Ba)₂(Ti,Si,Ge,Sn)F₆:Mn⁴⁺, K2NaAlF6:Mn⁴⁺, AlN:Mn⁴⁺, GaN:Mn⁴⁺, LiAlO2:Fe³⁺, LiAl5O8:Fe³⁺, Al₄LiF₀.₁O₆.₄₅:Fe³⁺, SrAl₁₂O₁₉:Fe³⁺, NaAlSiO₄:Fe³⁺, γ-Ca₂SiO₄:Ce³⁺, Ca3Sc2Si3O12:Ce³⁺, Li4SrCa(SiO4)2:Ce³⁺, Ca(Y,Pr)Al3O7:Ce³⁺, (La,Gd)Sr2AlO5:Ce³⁺, Sr3Al2O6:Ce³⁺, Sr6Y2Al4O15:Ce³⁺, (Li,Na)(Ca,Sr,Ba)BO3:Ce³⁺, NaSr4(BO)3:Ce³⁺, Ca2LaZr2Ga3O12:Ce³⁺, GaGeO₄:Ce³⁺, Ca₃(Lu,Y)₂Ge₃O₁₂:Ce³⁺, Sr₃Sc₄O₉:Ce³⁺, CaSc₂O₄:Ce³⁺, (Ca,Sr)3B2O6:Ce³⁺, CaYAlO4:Ce³⁺, (Ca,Sr)AlSiN3:Ce³⁺, (Ca,Sr,Ba)2Si5N8:Ce³⁺, CaSiN2:Ce³⁺, SrAlSi4N7:Ce³⁺, La3Si6N11:Ce³⁺, LaSi₃N₅:Ce³⁺, YSi₃N₅:Ce³⁺, YSiO₂N:Ce³⁺, Y₂Si₃O₃N₄:Ce³⁺, Y4Si2O7N2:Ce³⁺, Ba2SiS4:Ce³⁺, CaLaGa3S6O:Ce³⁺, CaZnOS:Ce³⁺, YCaF4S2:Ce³⁺, (Sr,Ba)2SiO4:Eu²⁺, (Ca,Sr,Ba)SiO3:Eu²⁺, (Sr,Ba)3SiO5:Eu²⁺, Ca3Si2O7:Eu²⁺, (Ca,Sr,Ba)(Mg,Zn)Si2O6:Eu²⁺, (Ca,Sr,Ba)₂(Mg,Zn)Si₂O₇:Eu²⁺, (Ca,Sr,Ba)₃(Mg,Zn)Si₂O₈:Eu²⁺, α'L- Ca2SiO4:Eu²⁺, α'-CaSrSiO4:Eu²⁺, Li2SrSiO4:Eu²⁺, Sr2MgSiO5:Eu²⁺, Ca₂Y₂Si₂O₉:Eu²⁺, K₄CaSi₃O₉:Eu²⁺, Ca₂Al₂SiO₇:Eu²⁺, NaAlSiO₄:Eu²⁺, Sr₂Al₂SiO₇:Eu²⁺, KBaScSi₃O₉:Eu²⁺, NaBaScSi₂O₇:Eu²⁺, RbBaScSi3O9:Eu²⁺, (Sr,Ba)AlO2:Eu²⁺, (Sr,Ba)MgAl10O17:Eu²⁺, Sr2ScAlO5:Eu²⁺, Ca3(PO4)2:Eu²⁺, Ba2Mg(PO4)2:Eu²⁺, (Li,Na,K,Cs)(Mg,Ca,Sr,Ba)PO₄:Eu²⁺, (Ca,Sr,Ba)₄(PO₄)₂O:Eu²⁺, (Sr,Ba)₆BP₅O₂₀:Eu²⁺, Ba₇Zr(PO₄)₂:Eu²⁺, Rb₂CaP₂O₇:Eu²⁺, Sr₃Gd(PO₄)₃:Eu²⁺, Sr₈MgSc(PO₄)₇:Eu²⁺, Ca₇Si₂P₂O₁₆:Eu²⁺, (Ca,Sr,Ba)2P2O7:Eu²⁺, Mg3Ca3(PO4)4:Eu²⁺, NaMgPO4:Eu²⁺(olivine), Mg3(PO4)2:Eu²⁺, Mg3Ca3(PO4)4:Eu²⁺, Na3Sc2(PO4)3:Eu²⁺, (Li,Na)(Ca,Sr,Ba)BO3:Eu²⁺, (Li,Na)(Ca,Sr,Ba)BO3:Ce³⁺, (Ca,Sr)₃B₂O₆:Eu²⁺, Ca₃Y(GaO)₃(BO₃)₄:Ce³⁺, Ba3Y(BO3)3:Ce³⁺,(Ca,Sr,Ba)5(PO4)3Cl:Eu²⁺, (Ca,Sr)AlSiN3:Eu²⁺, (Ca,Sr,Ba)2Si5N8:Eu²⁺, (Ca,Sr)LiAl3N4:Eu²⁺, (Ca,Sr,Ba)SiN2:Eu²⁺, SrAlSi₄N₇:Eu²⁺, SrASi₆N₈:Eu²⁺, Ba₅Si₁₁Al₇N₂₅:Eu²⁺, BaSi₄Al₃N₉:Eu²⁺, Ba2AlSi5N9:Eu²⁺, BaMg3SiN4:Eu²⁺, (Ca,Sr,Ba)Si2O2N2:Eu²⁺, Ba3Si6O9N4:Eu²⁺, Ba3Si6O12N2:Eu²⁺, (Ca,Sr)3Si2O4N2:Eu²⁺, Sr₃Si₁₃Al₃O₂N₂₁:Eu²⁺, Li-α-SiAlON:Eu²⁺, Ca-α-SiAlON:Eu²⁺, Sr-α- SiAlON:Eu²⁺, Y-α-SiAlON:Eu²⁺, β-SiAlON:Eu²⁺, Ba₃Ga₃N₅:Eu²⁺, LaSrSiO3N:Eu²⁺, SrSi2S5:Eu²⁺, (Ca,Sr)S:Eu²⁺, CaLaGa3S7:Eu²⁺, (Mg,Ca,Sr,Ba,Zn)₂Ga₂S₅:Eu²⁺, Sr₈Al₁₂O₂₄S₂:Eu²⁺, (Sr,Ba)₄Al₂S₇:Eu²⁺, CaZnOS:Eu²⁺, KLuS2:Eu²⁺, Sr2ZnS3:Eu²⁺, (Ca,Sr)7(SiO3)6Cl2:Eu²⁺, Ba5SiO4Cl6:Eu²⁺, β-Ca3SiO4Cl2:Eu²⁺, Ca10(Si2O7)3Cl2:Eu²⁺, Ca8Mg(SiO4)4Cl2:Eu²⁺, Sr3.5Mg0.5Si3O8Cl4:Eu²⁺, Sr3Al2O5Cl2:Eu²⁺, Sr₃GdNa(PO₄)₃F:Eu²⁺, (Ca,Sr,Ba)₅(PO₄)₃Cl:Eu²⁺, Ca₂Al₃O₆F:Eu²⁺, Mg2SiO4:Mn²⁺, CaGa2S4:Mn²⁺, LiCaBO3:Ce³⁺,Mn²⁺, Ca5(PO4)3F:Ce³⁺,Mn²⁺, Ca9Y(PO4)7:Ce³⁺,Mn²⁺, NaCaBO3:Ce³⁺,Mn²⁺, K₂(Ca,Sr)P₂O₄:Ce³⁺,Mn²⁺, MgY₄Si₃O₁₃:Ce³⁺,Mn²⁺, Mg3Ca3(PO4)4:Ce³⁺,Mn²⁺, CaScAlSiO6:Ce³⁺,Mn²⁺, CaY4(SiO4)3O:Ce³⁺,Mn²⁺, Ca2Gd8(SiO4)6O2:Ce³⁺,Mn²⁺, Ca3Sc2Si3O12:Ce³⁺,Mn²⁺, Ca3Y(GaO)3(BO3)4:Ce³⁺,Mn²⁺, Ca₄Y₆(SiO₄)₆O:Ce³⁺,Mn²⁺, Ba₂Ca(BO₃)₂:Ce³⁺,Mn²⁺, Ba9Lu2Si6O24:Ce³⁺,Mn²⁺, (Ca,Sr,Ba)(Mg,Zn)Si2O6:Eu²⁺,Mn²⁺, (Ca,Sr,Ba)₂(Mg,Zn)Si₂O₇:Eu²⁺,Mn²⁺, (Ca,Sr,Ba)₃(Mg,Zn)Si₂O₈:Eu²⁺,Mn²⁺, Na₂CaMg(PO₄)₂:Eu²⁺,Mn²⁺, KCaY(PO₄)₂:Eu²⁺,Mn²⁺, Ca-a- sialon:Eu²⁺,Mn²⁺, Ca3SiO4Cl2:Eu²⁺,Mn²⁺, Ca9Y(PO4)7:Eu²⁺,Mn²⁺, Ca9Mg(PO4)6F:Eu²⁺,Mn²⁺, Ca9Gd(PO4)7:Eu²⁺,Mn²⁺, Ca₁₀K(PO₄)₇:Eu²⁺,Mn²⁺, 12CaO・7Al₂O₃:Eu²⁺,Mn²⁺, BaMgAl₁₀O₁₇:Eu²⁺,Mn²⁺, SrZnP₂O₇:Eu²⁺,Mn²⁺, SrMgB₆O₁₁:Eu²⁺,Mn²⁺, SrAl2Si2O8:Eu²⁺,Mn²⁺, Sr2B2P2O10:Eu²⁺,Mn²⁺, Sr3Y(PO4)3:Eu²⁺,Mn²⁺ and deep red emitting quantum materials and graphene quantum dots, like described in the second chapter of Phosphor handbook (Yen, Shinoya, Yamamoto) and WO 2019/020602 A1. It is believed that the method of the present invention is especially suitable for the following phosphors to improve water stability and prevent EQE drop: (Ca,Sr,Ba)(Mg,Zn)Si2O6:Eu²⁺,Mn²⁺, (Ca,Sr,Ba)2(Mg,Zn)Si2O7:Eu²⁺,Mn²⁺, (Ca,Sr,Ba)₃(Mg,Zn)Si₂O₈:Eu²⁺,Mn²⁺,(Sr,Ba)₄Al₂S₇:Eu²⁺,(Ca,Sr)S:Eu²⁺,(Ca, Sr,Ba)₅(PO₄)₃Cl:Eu²⁺, NaMgPO₄:Eu²⁺(olivine), Ca₃(PO₄)₂:Eu²⁺, Ba2Mg(PO4)2:Eu²⁺, (Li,Na,K,Cs)(Mg,Ca,Sr,Ba)PO4:Eu²⁺, Ca3(PO4)2:Eu²⁺, Ba₂Mg(PO₄)₂:Eu²⁺,(Sr,Ba)MgAl₁₀O₁₇:Eu²⁺, α'L-Ca₂SiO₄:Eu²⁺, α'- CaSrSiO4:Eu²⁺, Li2SrSiO4:Eu²⁺,(Sr,Ba)2SiO4:Eu²⁺, (Ca,Sr,Ba)SiO3:Eu²⁺, (Sr,Ba)3SiO5:Eu²⁺,(Zn,Ba)2(Ti,Si,Ge,Sn)F6:Mn⁴⁺, K2NaAlF6:Mn⁴, (Zn,Ba)2(Ti,Si,Ge,Sn)F6:Mn⁴⁺, (Na,K,Rb)2(Ti,Si,Ge,Sn)F6:Mn⁴⁺, (Ca,Sr,Ba)₃MgSi₂O₈:Mn⁴⁺, (Ca,Sr,Ba)₂MgSi₂O₇:Mn⁴⁺, (Ca,Sr,Ba)MgSi2O6:Mn⁴⁺, Si 4+ 5P6O25:Mn , Ba2YTaO6:Mn⁴⁺,YMgTiO6:Mn⁴⁺, (Li,Na,K)LaMgWO6:Mn⁴⁺, (Ca,Sr,Ba)Mg2La2WO12:Mn⁴⁺, Li2TiO3:Mn⁴⁺, (Mg,Zn)₂TiO₄:Mn⁴⁺, Sr₄Al₁₄O₂₅:Mn⁴⁺, Ca₁₄Al₁₀Zn₆O₃₅:Mn⁴⁺, Ca14Al10Zn6O35:Dy³⁺ and/or Mn⁴⁺, Ca14Al10Zn6O35:Dy³⁺,Mn⁴⁺,Na⁺ . As one embodiment of the invention, an inorganic phosphor or its substances denaturated (e.g., degraded) from an inorganic phosphor, which less harms animals, plants and/or environment (e.g., soil, water) is desirable. Thus, one embodiment of the invention, the phosphor is nontoxic phosphors, preferably it is edible phosphors, more preferably as edible phosphors, MgSiO₃:Mn²⁺, MgO:Fe³⁺ and/or CaMgSi₂O₆:Eu²⁺, Mn²⁺ are useful. According to the present invention the term “edible” means safe to eat, fit to eat, fit to be eaten, fit for human consumption. Said inorganic phosphors represented by chemical formula (VI), (VI`), (VII), (VII´) and (VIII) can be fabricated as described in WO 2019/020602 A1. In some embodiments of the present invention, the inorganic phosphors can emit a light having the peak wavelength of light emitted from the inorganic phosphor in the range from 660 nm to 710 nm. It is believed that the peak maximum light wavelength of light emitted from the inorganic phosphor in the range from 660 nm to 710 nm is very suitable for plant condition control, especially for plant growth promotion. Without wishing to be bound by theory, it is believed that the inorganic phosphor having at least one light absorption peak wavelength in UV and / or purple light wavelength region from 300 nm to 430 nm may keep harmful insects off plants. Therefore, in some embodiments of the present invention, the inorganic phosphor can have at least one light absorption peak wavelength in UV and / or purple light wavelength reason from 300 nm to 430 nm. In some embodiments of the present invention, from the viewpoint of improved plant growth and improved homogeneous of blue and red (or infrared) light emission from the composition or from the light converting sheet, an inorganic phosphor having a first peak wavelength of light emitted from the inorganic phosphor in the range from 400nm to 500nm and a second peak wavelength of light emitted from the inorganic phosphor from 650 nm to 750 nm can be used preferably. More preferably, the inorganic phosphor having the first peak wavelength of light emitted from the inorganic phosphor is in the range from 430 nm to 490 nm, and the second peak light emission wavelength is in the range from 660 nm to 740 nm, more preferably the first peak wavelength of light emitted from the inorganic phosphor is 450 nm and the second peak wavelength of light emitted from the inorganic phosphor is in the range from 660 nm to 710 nm, is used. Preferably, said at least one inorganic phosphor is a plurality of inorganic phosphor having the first and second peak wavelength of light emitted from the inorganic phosphor, or a plurality of inorganic phosphor having the first and second peak wavelength of light emitted from the inorganic phosphor, or a combination of these. -1^st solvent In a preferred embodiment of the present invention, the 1^st solvent is an organic solvent, preferably said organic solvent is selected from one or more members of the group consisting of alcohols including primary alcohol having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 2 to 20 carbon atoms, such as methanol, ethanol, isopropyl alcohol, butyl alcohol, 1-pentanol, tetrahydrofurfuryl alcohol, 1- hexanol, 1-heptanol, 1-octanol, 1-nonanol, 1-decanol (boiling point (^oC): 9.6), 1-undecanol (14), 1-dodecanol (26), 1-tridecanol (32), 1-tetradecanol (40), 1-pentadecanol (46), 1-hexadecanol (55), 1-heptadecanol (55), 1- octadecyl alcohol, 1-nonadecanol (64), 1-eicosanol (67); secondary alcohol having 3 to 40, preferably 3 to 25, more preferably 3 to 20 carbon atoms such as 2-propanol, 1-methoxy-2-propanol, 2-butanol, 2-pentanol, 2-hexanol, 2-heptanol, cyclohexanol and tertiary alcohol having 4 to 40 carbon atoms, preferably 4 to 25 carbon atoms, more preferably 4 to 20 carbon atoms such as tert-butyl alcohol, 2-methyl-2-pentanol, 3-methyl-3- pentanol; diol having 2 to 10 carbon atoms such as ethylene glycol, 1,3- propanediol, propylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6- hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10- decanediol, 1,4-cyclohexanedimethanol; heteroaromatic alcohol such as furfuryl alcohol, (5-methyl-2-furyl)methanol, 1-(2-furyl)ethan-1-ol, 2,5- furandimethanol, 2-thiophemethanol, 2-thiopheethanol; ketones such as (acetone), ethyl methyl ketone, diethyl ketone, methyl propyl ketone, methyl isobutyl ketone, cyclohexanone, isophorone, acetophenone; cycloalkane having carbon atoms 6 to 12 such as cyclohexane, methylcyclohexane, 1,1-dimethylcyclohexane, 1,2-dimethylcyclohexane, 1,3-dimethylcyclohecxane, 1,4-dimethylcyclohexane, 1,3,5- trimethylcyclohexane, 1-ethyl-4-methylcyclohexane, cycloheptane, cyclooctane, cyclononane, and cyclodecane; ethers such as tetrahydrofuran, 1,3-dimethoxyethane, 1,2-dimethoxypropane, 1,3- dimethoxypropane, 2,2-dimethoxypropane, 2,2-diethoxypropane, diethylene glycol ethyl ether, diethylene glycol diethyl ether, diethylene glycol propyl ether, diethylene glycol dipropyl ether, diethylene glycol butyl ether, diethylene glycol dibutyl ether, di(propylene glycol) methyl ether, di(propylene glycol) dimethyl ether, di(propylene glycol) propyl ether, 1,2- dimethoxycyclohexane, 1-methoxy-4-methylcyclohexane, 1,3-dioxane, 1,4-dioxane, poly(ethylene glycol) tetrahydrofurfuryl ether, tetrahydrofurfuryl alcohol polyethylerene glycol ether, tetraglycol, ethyl tetrahydrofurfuryl ether; esters such as methyl acetate, ethyl acetate, isoamyl acetate, butyl acetae, n-butyl acetate, sec-buyl acetate, isobutyl acetate, propyl acetate, isopropyl acetate, amyl acetate, pentyl acetate, isopentyl acetate, 2-ethoxyethyl acetate, hexyl acetate, cyclohexyl acetate, heptyl acetate, lauryl acetate, dodecyl acetate, ethyl 2-(benzyloxy)acetate, benzyl acetate, phenyl acetate, 4-tert-pentylcyclohexyl acetate, 1,2- diacetoxycyclohexane, 1,3-diacetoxycyclohexane, 1,3,5- triacetoxycyclohexane, tetrahydrofurfuryl acetate, tetrahydrofurfuryl butyrate, dimethyl carbonate, diethyl carbonate, dethylene carbonate, propylene carbonate, ethylene carbonate, diallyl carbonate, dipropyl carbonate, dibenzyl carbonate; and amide such as N,N- dimethylacetamide, N,N-dimethylformamide. -Polymerization initiator In a preferred embodiment of the present invention, the 1^st reaction mixture can further contain a polymerization initiator. Generally, there are two kinds of polymerization initiators which can be used in the present invention: one is a polymerization initiator generating an acid, base, or radical when exposed to radiation, and the other is a polymerization initiator generating an acid, base or radical when exposed to heat. Without wishing to be bound by theory, it is believed that the polymerization initiator can lead better polymer coating onto the inorganic phosphor and results in improved passivation of polymer coated inorganic phosphor. The polymerization initiator adoptable in the present is, for example, a photo acid-generator, which decomposes when exposed to radiation and releases an acid serving as an active substance for photo-curing the composition; a photo radical – generator, which releases a radical; a photo base-generator, which releases a base; a heat acid-generator, which decomposes when exposed to heat and releases an acid serving as an active substance for heat-curing the composition; a heat radical – generator, which releases a radical; and a heat base-generator, which releases a base. Examples of the radiation include visible light, UV rays, IR rays, X-rays, electron beams, α-rays and γ-rays. In a preferred embodiment of the present invention, the amount of the polymerization initiator is in the range from 0.001 to 10 weight parts, more preferably 0.01 to 5 weight parts, based on 100 weight parts of the 1^st polymer precursor. The heat acid-generator is, for example, a salt or ester capable of generating an organic acid. Examples thereof include: various aliphatic sulfonic acids and salts thereof; various aliphatic carboxylic acids, such as, citric acid, acetic acid and maleic acid, and salts thereof; various aromatic carboxylic acids, such as, benzoic acid and phthalic acid, and salts thereof; aromatic sulfonic acids and ammonium salts thereof; various amine salts; aromatic diazonium salts; and phosphonic acid and salts thereof. Among the heat acid-generators usable in the present invention, salts of organic acids and organic bases are preferred, and further preferred are salts of sulfonic acids and organic bases. Examples of the preferred heat acid-generators containing sulfonate ions include p-toluenesulfonates, benzenesulfonates, p- dodecylbenzenesulfonates, 1,4-naphthalenedisulfonates, and methanesulf Examples of the above heat base-generator include: imidazole derivatives, such as, N-(2-nitrobenzyloxycarbonyl)imidazole, N-(3-nitrobenzyloxy- carbonyl)imidazole, N-(4-nitrobenzyloxycarbonyl)imidazole, N-(5-methyl-2- nitrobenzyloxycarbonyl)imidazole, and N-(4-chloro-2-nitro- benzyloxycarbonyl)imidazole; 1,8-diazabicyclo(5,4,0)undecene-7, tertiary amines, quaternary ammonium salts, and mixture thereof. Those base- generators as well as the acid-generators and / or radical – generators can be used singly or in mixture. As the examples of the heat radical-generator, 2,2‘ azobis(2- methylvaleronitrile), 2,2‘-azobis(dimethylvaleronitrile), azobisisobutyronitrile or a combination of any of these can be used preferably. Examples of the above photo acid-generator include diazomethane compounds, diphenyliodonium salts, triphenylsulfonium salts, sulfonium salts, ammonium salts, phosphonium salts and sulfonamide compounds. The structures of those photo acid-generators can be represented by the formula (A):

Wherein the formula (A), R⁺ is hydrogen or an organic ion modified by carbon atoms or other hetero atoms provided that the organic ion is selected from the group consisting of alkyl groups, aryl groups, alkenyl groups, acyl groups and alkoxy groups. For example, R⁺ is diphenyliodonium ion or triphenylsulfonium ion. Further, X- is preferably a counter ion represented by any of the following formulas: SbY₆-, AsY6-, R^apPY6-p-, R^aqBY4-q-, R^a _qGaY_4-q-, R^aSO3-, (R^aSO2)3C-, (R^aSO₂)₂N-, R^aCOO-, and SCN- in which Y is a halogen atom, R^a is an alkyl group of 1 to 20 carbon atoms or an aryl group of 6 to 20 carbon atoms provided that each group is substituted with a substituent group selected from the group consisting of fluorine, nitro group and cyano group, p is a number of 0 to 6, and q is a number of 0 to 4. Concrete examples of the counter ion include: BF4-, (C6F5)4B-, ((CF3)2C6H3)4B-, PF6-, (CF3CF2)3PF3-, SbF6-, (C6F5)4Ga-, ((CF3)2C6H3)4Ga-, SCN-, (CF3SO2)3C-, (CF3SO2)2N-, formate ion, acetate ion, trifluoromethanesulfonate ion, nonafluorobutanesulfonate ion, methane- sulfonate ion, butanesulfonate ion, benzenesulfonate ion, p- toluenesulfonate ion, and sulfonate ion. Among the photo acid-generators usable in the present invention, those generating sulfonic acids or boric acids are particularly preferred. Examples thereof include tricumyliodonium teterakis(pentafluorophenyl)- borate (PHOTOINITIATOR2074 [trademark], manufactured by Rhodorsil), diphenyliodonium tetra(perfluorophenyl)borate, and a compound having sulfonium ion and pentafluoroborate ion as the cation and anion moieties, respectively. Further, examples of the photo acid-generators also include triphenylsulfonium trifluoromethanesulfonate, triphenylsulfonium camphor- sulfonate, triphenylsulfonium tetra(perfluorophenyl)borate, 4- acetoxyphenyldimethylsulfonium hexafluoroarsenate, 1-(4-n- butoxynaphthalene-1-yl)tetrahydrothiophenium trifluoromethanesulfonate, 1-(4,7-dibutoxy-1-naphthalenyl)tetrahydrothiophenium tri- fluoromethanesulfonate, diphenyliodonium trifluoromethanesulfonate, and diphenyliodonium hexafluoroarsenate. Furthermore, it is still also possible to adopt photo acid-generators represented by the following formulas:

in which each A is independently a substituent group selected from the group consisting of an alkyl group of 1 to 20 carbon atoms, an alkoxy group of 1 to 20 carbon atoms, an aryl group of 6 to 20 carbon atoms, an alkyl carbonyl group of 1 to 20 carbon atoms, an aryl carbonyl group of 6 to 20 carbon atoms, hydroxyl group, and amino group; each p² is independently an integer of 0 to 5; and B- is a fluorinated alkyl sulfonate group, a fluorinated aryl sulfonate group, a fluorinated alkyl borate group, an alkyl sulfonate group or an aryl sulfonate group. It is also possible to use photo acid-generators in which the cations and anions in the above formulas have exchanged each other or combined with various other cations and anions described above. For example, any one of the sulfonium ions represented by the above formulas can be combined with tetra(perfluorophenyl)borate ion, and also any one of the iodonium ions represented by the above formulas can be combined with tetra(perfluorophenyl)borate ion. Those can be still also employed as the photo acid-generators. Examples of the photo radical-generator include azo compounds, peroxides, acyl phosphine oxides, alkyl phenons, oxime esters, and titanocenes. According to the present invention, as the photo radical-generator, acyl phosphine oxides, alkyl phenons, oxime esters, or a combination of any of these are more preferable. For examples, 2,2-dimethxye-1,2- diphenylethane-1-on, 1-hydroxy-cyclohexylphenylketone, 2-hydroxy-2- methyl-1-phenylpropan-1-on, 1-[4-(2-hydroxyethoxy)phenyl]-2-hydroxy-2- methyl-1-propane-1-on, 2-hydroxy-1-{4-[4-(2-hydroxy-2- methylpropionyl)benzyl]phenyl}-2-methylpropane-1-on, 2-methyl-1-(4- methylthiophenyl)-2-morpholinopropane-1-on, 2-benzyl-2-dimethylamino- 1-(4-morpholinophenyl)-1-butanone, 2-(dimethylamino) -2-[(4- methylphenon)methyl]-1-[4-(4-morpholinyl)phenyl]-1-butanone, 2,4,6- trimethylbenzoyl-diphenylphosphine oxide, bis(2,4,6- trimethylbenzoyl)phenylphosphine oxide, 1,2-octanedione 1-[4- (phenylthio)-2-(o-benzoyl oxime)], ethanone 1-[9-ethyl-6-(2- methylbenzoyl)-9H-carbazole-3-yl]-1-(o-acetyl oxime) or a combination of any of these can be used preferably. Examples of the photo base-generator include multi-substituted amide compounds having amide groups, lactams, imide compounds, and compounds having those structures. -Steps (c), (d) and (e) In some embodiments of the present invention, the method further comprises following step (c), (d) and (e), preferably in this sequence, (c) mixing a 2^nd polymer precursor in a 2^nd solvent to form a 2^nd reaction mixture; (d) adding the 2^nd reaction mixture into the 1^st reaction mixture to form a 3^rd reaction mixture; (e) reacting the 2^nd polymer precursor in the 3^rd reaction mixture to form the 1^st polymer coating layer on the surface of the inorganic phosphor or to form a 2^nd polymer coating layer on the 1^st polymer coating layer. -2^nd polymer precursor In a preferred embodiment of the present invention, said 2^nd polymer precursor is a monomer or an oligomer having at least one reaction group, more preferably it is a monomer having at least one reaction group, even more preferably, it is selected from one or more members of the group consisting of (meth)acrylate monomers, such as 1-[2-[(2-methyl-1-oxo-2- propen-1-yl)oxy]ethyl] ester butanedioic acid (Kyoeisha Chemical “LIGHT ESTER HO-MS(N)”), 1-[2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl] ester 1,2-cyclohexanedicarboxylic acid (Kyoeisha Chemical “LIGHT ESTER HO- HH(N)”), 2-methacryloyloxyethyl acid phosphate (Kyoeisha Chemical “LIGHT ESTER P-1M(N)”), bis(2-methacryloyloxyethyl acid) phosphate (Kyoeisha Chemical “LIGHT ESTER P-2M(N)”), 1-[2-[(1-oxo-2-propen-1- yl)oxy]ethyl] ester butanedioic acid (Kyoeisha Chemical “LIGHT ACRYLATE HOA-MS(N)”), 1-[2-[(1-oxo-2-propen-1-yl)oxy]ethyl] ester 1,2- cyclohexanedicarboxylic acid (Kyoeisha Chemical “LIGHT ACRYLATE HOA-HH(N)”), 1-[2-[(1-oxo-2-propen-1-yl)oxy]ethyl] ester 1,2- Benzenedicarboxylic acid (Kyoeisha Chemical “LIGHT ACRYLATE HOA- MPL(N)”), 2-(phosphonooxy)ethyl ester 2-propenoic acid (Kyoeisha Chemical “LIGHT ACRYLATE P-1M(N)”); diacrylate such as triethylene glycol diacrylate, polyethylene glycols diacrylate, polybutylene glycol diacrylate, 2,2-dimethylpropane-1,3-diol diacrylate, 3-methylpentanediol diacrylate, 1,2-bisacryloyloxyhexane, 1,9-nonamethylene diacrylate, 1,1'- [(octahydro-4,7-methano-1H-indene-5,-diyl)bis(methylene)] ester 2- propenoic acid, 2,2-bis(4-acryloyloxypolyethylene glycol phenyl)propane,α,α'-[(1-methylethylidene)di-4,1-phenylene]bis[ω-[(1-oxo- 2-propenyl)oxy]- poly[oxy(methyl-1,2-ethanediyl)], 2,2-dimethyl-3- acryloyloxypropyl 2,2-dimethyl-3-acryloyloxypropionate, 1- methacryloyloxy-3-acryloyloxy-2-propanol, 1,1,1- tri(acryloyloxymethyl)propane, pentaerythritol triacrylate, 1,1'-[2,2-bis[[(1- oxo-2-propen-1-yl)oxy]methyl]-1,3-propanediyl] ester 2-propenoic acid, 2- [[3-[(1-oxo-2-propenyl)oxy]-2,2-bis[[(1-oxo-2- propenyl)oxy]methyl]propoxy]methyl]-2-[[(1-oxo-2-propenyl)oxy]methyl]- 1,3-propanediyl ester 2-propenoic acid; glycidyl methacrylate; dimethacrylate such as 1,2-bis(methacryloyloxy)ethane, diethylene glycol dimethacrylate, 1,2-bis[2-(methacryloyloxy)ethoxy]ethane,α-(2-methyl-1- oxo-2-propenyl)-ω-[(2-methyl-1-oxo-2-propenyl)oxy]-poly(oxy-1,2- ethanediyl), 1,4-butylene glycol dimethacrylate, 2,2-dimethylpropane-1,3- diyl bis(2-methylacrylate), 1,6-hexamethylene glycol dimethacrylate, 1,9- nonanediol dimethacrylate, 1,3-di(methacryloyloxy)-2-hydroxypropane, 1- methacryloyloxy-3-acryloyloxy-2-propanol, 2,2-bis(4- methacryloxypolyethoxyphenyl)propane, 1,1,1-trimethylolpropane trimethacrylate; styrene monomer such as, 2-bromostyrene, 3- bromostyrene, 4-bromostyrene, 2-chlorostyrene, 3-chlorostyrene, 4- chlorostyrene, 2-(trifluoromethyl)styrene, 3-(trifluoromethyl)styrene, 4- (trifluoromethyl)styrene, 2,4-dimethylstyrene, 2,5-dimethylstyrene, 2,4,6- trimethylstyrene; styrene derivative monomer such as 4-vinylbenzoic acid, 4-(1-methylethenyl)benzoic acid; and wherein said 2^nd polymer precursor is different from the 1^st polymer precursor, preferably said 2^nd polymer precursor is a styrene monomer, even more preferably said 1^st polymer precursor is 4-vinylbenzoic acid and the 2^nd polymer precursor is a styrene monomer. -2^nd solvent In some embodiments of the present invention, the 2^nd solvent is an organic solvent, preferably said organic solvent is selected from one or more members of the group consisting of alcohols including primary alcohol having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 2 to 20 carbon atoms such as methanol, ethanol, isopropyl alcohol, butyl alcohol, 1-pentanol, tetrahydrofurfuryl alcohol, 1- hexanol, 1-heptanol, 1-octanol, 1-nonanol, 1-decanol (boiling point (^oC): 9.6), 1-undecanol (14), 1-dodecanol (26), 1-tridecanol (32), 1-tetradecanol (40), 1-pentadecanol (46), 1-hexadecanol (55), 1-heptadecanol (55), 1- octadecyl alcohol, 1-nonadecanol (64), 1-eicosanol (67); secondary alcohol having 3 to 40, preferably 3 to 25, more preferably 3 to 20 carbon atoms such as 2-propanol, 1-methoxy-2-propanol, 2-butanol, 2-pentanol, 2-hexanol, 2-heptanol, cyclohexanol and tertiary alcohol having 4 to 40 carbon atoms, preferably 4 to 25 carbon atoms, more preferably 4 to 20 carbon atoms such as tert-butyl alcohol, 2-methyl-2-pentanol, 3-methyl-3- pentanol; diol having 2 to 10 carbon atoms such as ethylene glycol, 1,3- propanediol, propylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6- hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10- decanediol, 1,4-cyclohexanedimethanol; heteroaromatic alcohol such as furfuryl alcohol, (5-methyl-2-furyl)methanol, 1-(2-furyl)ethan-1-ol, 2,5- furandimethanol, 2-thiophemethanol, 2-thiopheethanol; ketones such as (acetone: BP 56.5℃. Thus, it can be used only in combination of one or more of other solvent), ethyl methyl ketone, diethyl ketone, methyl propyl ketone, methyl isobutyl ketone, cyclohexanone, isophorone, acetophenone; cycloalkane having carbon atoms 6 to 12 such as cyclohexane, methylcyclohexane, 1,1-dimethylcyclohexane, 1,2- dimethylcyclohexane, 1,3-dimethylcyclohecxane, 1,4- dimethylcyclohexane, 1,3,5-trimethylcyclohexane, 1-ethyl-4- methylcyclohexane, cycloheptane, cyclooctane, cyclononane, and cyclodecane; ethers such as tetrahydrofuran, 1,3-dimethoxyethane, 1,2- dimethoxypropane, 1,3-dimethoxypropane, 2,2-dimethoxypropane, 2,2- diethoxypropane, diethylene glycol ethyl ether, diethylene glycol diethyl ether, diethylene glycol propyl ether, diethylene glycol dipropyl ether, diethylene glycol butyl ether, diethylene glycol dibutyl ether, di(propylene glycol) methyl ether, di(propylene glycol) dimethyl ether, di(propylene glycol) propyl ether, 1,2-dimethoxycyclohexane, 1-methoxy-4- methylcyclohexane, 1,3-dioxane, 1,4-dioxane, poly(ethylene glycol) tetrahydrofurfuryl ether, tetrahydrofurfuryl alcohol polyethylerene glycol ether, tetraglycol, ethyl tetrahydrofurfuryl ether; esters such as methyl acetate, ethyl acetate, isoamyl acetate, butyl acetae, n-butyl acetate, sec- buyl acetate, isobutyl acetate, propyl acetate, isopropyl acetate, amyl acetate, pentyl acetate, isopentyl acetate, 2-ethoxyethyl acetate, hexyl acetate, cyclohexyl acetate, heptyl acetate, lauryl acetate, dodecyl acetate, ethyl 2-(benzyloxy)acetate, benzyl acetate, phenyl acetate, 4-tert- pentylcyclohexyl acetate, 1,2-diacetoxycyclohexane, 1,3- diacetoxycyclohexane, 1,3,5-triacetoxycyclohexane, tetrahydrofurfuryl acetate, tetrahydrofurfuryl butyrate, dimethyl carbonate, diethyl carbonate, dethylene carbonate, propylene carbonate, ethylene carbonate, diallyl carbonate, dipropyl carbonate, dibenzyl carbonate; amide such as N,N- dimethylacetamide, N,N-dimethylformamide. -Steps (a1) and (a2) In some embodiments of the present invention, said step (a) further comprise following step (a1) and (a2), preferably in this sequence, (a1) mixing a 1^st polymer precursor with a 2^nd solvent to form a reaction mixture a1, preferably said 1^st polymer precursor is a styrene monomer; (a2) mixing an inorganic phosphor with a surfactant in a 1^st solvent to form a reaction mixture a2, preferably said surfactant contains at least one anchoring group selected from the one or more members of the group consisting of phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amine, carboxyl groups, hetero cyclic groups, silane groups, sulfonic acids, hydroxyl groups, succinates, and phosphonic acids; preferably said anchoring group is a carboxyl group or a phosphonate group, more preferably it is a phosphonate group; and (a3) combining the reaction mixture a1 and a2 to form the 1^st reaction mixture of step (a). Preferably, step (a2) is carried out at the temperature in the rage from 10°C to 35°C (at room temperature), more preferably in the rage from 15°C to 30°C. It is believed that the surfactant having an anchoring group is very preferable to form a polymer layer onto the inorganic phosphor efficiently, since the surfactant can bound onto the outermost surface of the inorganic phosphor. In other words, it is preferable to produce a particle of polymer coated inorganic phosphors efficiently since the anchoring group can effectively attach onto the outermost surface of the inorganic phosphor and the surfactant can act as a scaffold of a polymer layer suitably during a reaction. It can be also used in combination with acidic monomer or acidic oligomer described above and/or a monomer or oligomer which does not have any anchoring group disrobed in the section of the “1^st polymer precursor” above. Preferably, said surfactant having an anchoring group is used together with a monomer or oligomer which does not have any anchoring group to form a polymer layer onto the surface of the inorganic phosphor efficiently. -Surfactant According to the present invention, a publicly known surfactant having an anchoring group selected so that the surfactant can attach onto the outer most surface of the inorganic phosphor, can be used preferably for the present invention. More preferably said surfactant contains at least one anchoring group selected from the one or more members of the group consisting of phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amine, carboxyl groups, hetero cyclic groups, silane groups, sulfonic acids, hydroxyl groups, succinates, and phosphonic acids; even more preferably said anchoring group is a carboxyl group or a phosphonate group, further more preferably it is a phosphonate group from the view point of stronger bonding ability. For example, PW-36 from Kusumoto Chemicals Ltd., surfactants disclosed in JP2014-196466 A1, or dispersants such as BYK^(TM)-100 series e.g. BYK^(TM)-103, 110, 111, 118 (from BYK) can be used preferably. -Ultrasound irradiation In some embodiments of the present invention, preferably ultrasound irradiation is applied to said reaction mixture, preferably it is applied to the 3^rd reaction mixture, preferably the frequency of the ultrasound is in the rage from 1 to 1,000 kHz, more preferably from 5 to 500 kHz, even more preferably from 10 to 400 kHz. It is especially useful applying the ultrasound irradiation to the reaction mixture to emulsify it when the 1^st solvent and the 2^nd solvent are different of each other and they are not miscible with each other. It is believed that applying the ultrasound irradiation at 1,000 kHz or less is preferable to avoid a dimple of the polymer coating. And to accelerate polymerization and to make a smaller emulsion in the reaction mixture, applying ultrasound irradiation at 5 kHz or more is preferable. -Polymer coated inorganic phosphor In another aspect, the present invention relates to a particle of polymer coated inorganic phosphor comprising an inorganic phosphor and a polymer layer placed onto the outer most surface of the inorganic phosphor obtained or obtainable by the method of the present invention. In another aspect, the present invention relates to a particle comprising, essentially consisting of, or consisting of, an inorganic phosphor and a transparent polymer, wherein said inorganic phosphor is at least partially coated by a transparent polymer, preferably said inorganic phosphor is completely coated by said transparent polymer as a polymer layer, preferably said polymer is an organic polymer, more preferably said polymer is selected from one or more member of the group consisting of (meth)acrylate polymers, polystyrenes, polyethylene polyethyleneterephthalate, polyurethane, polyacrylonitrile, epoxy resin derived from glycidyl function on (meth)acrylate monomer, biodegradable polymer such as polylactide, polyglycolide, polyhydroxyalkanoate, polycaproractone. In a preferred embodiment of the present invention, said polymer forms a polymer coating layer directly onto the inorganic phosphor, more preferably the polymer coated inorganic phosphor itself is not in the form of film or sheet. In a preferred embodiment of the present invention, the inorganic part of the inorganic phosphor contains one or more of elements selected from the group consisting of alkali metal elements, alkaline metal elements, and phosphorous atom, preferably said alkali metal element is Li, Na, Ka or a combination of any of these, and said alkaline metal element is Be, Mg, Ca, Sr, Ba or a combination of any of these. About the inorganic phosphor of the present invention, the inorganic phosphors as described in the section of “Inorganic phosphor” above can be used preferably. In a preferred embodiment of the present invention, said transparent polymer is derived or derivable from the 1^st polymer precursor, or derived or derivable from the 1^st and 2^nd polymer precursors of the present invention. In a preferred embodiment of the present invention, said transparent polymer comprises at least one of anchoring group selected from one or more members of the group consisting of phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amine, carboxyl groups, hetero cyclic groups, silane groups, sulfonic acids, hydroxyl groups, succinates and phosphonic acids, preferably Y is carboxyl group, phosphonate group or a phosphonic acid, preferably said transparent polymer comprises a plurality of anchoring groups from the view point of stronger anchoring ability to the phosphor surface. -Use of the particle In another aspect, the present invention also relates to use of the particle of the present invention in agriculture. In another aspect, the present invention also relates to use of the inorganic phosphor of the present invention in a Light Emitting Diode or in a solar cell. -Composition In another aspect, the present invention also relates to a composition comprising, essentially consisting of, or consisting of, at least one particle of the present invention and another material. In some embodiments of the present invention, said another material can preferably be selected from one or more members of the group consisting of matrix materials; light modulating materials such as dyes e.g. yellow dyes, pigments, light luminescent materials incl. organic and inorganic light luminescent materials, e.g. another inorganic phosphors; photo initiators; co-polymerizable monomers; cross linkable monomers; bromine- containing monomers; sulfur-containing monomers; adjuvants; adhesives; insecticides; insect attractants; metal oxides; Al, Ag, Au nanoparticles; dispersants; surfactants; fungicides and antimicrobial agents. In some embodiments of the invention, said another material is a matrix material and said composition can optionally comprises one or more additives selected from one or more members of the group consisting of light modulating materials such as dyes e.g. yellow dyes, pigments, light luminescent materials incl. organic and inorganic light luminescent materials, e.g. another inorganic phosphors; photo initiators; co- polymerizable monomers; cross linkable monomers; bromine-containing monomers; sulfur-containing monomers; adjuvants; adhesives; insecticides; insect attractants; metal oxides; Al, Ag, Au nanoparticles; dispersants; surfactants; fungicides and antimicrobial agents. Preferably, said composition comprises a plurality of the particles of the present invention. Thus, in some embodiments of the present invention, the total amount of the particle of the polymer coated inorganic phosphor of the present invention in the composition can be in the range from 0.01wt.% to 99.9wt.%, preferably it is in the range from 0,01wt% to 30wt.% based on the total amount of the composition, preferably it is from 0.1wt.% to 10wt.%, more preferably from 0.5wt.% to 5wt.%, furthermore preferably it is from 1wt.% to 3wt.% from the view point of better light conversion property, lower production cost and less production damage of a production machine. - Matrix materials as said another material According to the present invention, in some embodiments, said matrix material is an organic material, and/or an inorganic material, preferably Al2O3, fused composition of TeO2 : Na2Co3 : ZnO : BaCo3 = 7:1:1:1, and fused mixture of TeO₂ : Na₂Co₃ : ZnO : BaCo₃ = 7:1:1:1 and Al₂O₃ are excluded. Preferably the matrix material is an organic material. Preferably, the matrix material is an organic oligomer or an organic polymer material, more preferably an organic polymer selected from the group consisting of a transparent photosetting polymer, a thermosetting polymer, a thermoplastic polymer, or a combination of any of these, can be used preferably. Thus, in some embodiments of the present invention, the matrix material is an organic material, and/or an inorganic material, preferably the matrix material is an organic material, more preferably it is an organic oligomer or an organic polymer material, even more preferably an organic polymer selected from the group consisting of a transparent photosetting polymer, a thermosetting polymer, a thermoplastic polymer, or a combination of any of these. As organic polymer materials, polysaccharides, polyethylene, polypropylene, polystyrene, polymethyl pentene, polybutene, butadiene styrene, polyvinyl chloride, polystyrene, polymethacrylic styrene, styrene- acrylonitrile, acrylonitrile-butadiene-styrene, polyethylene terephthalate, polymethyl methacrylate, polyphenylene ether, polyacrylonitrile, polyvinyl alcohol, acrylonitrile polycarbonate, polyvinylidene chloride, polycarbonate, polyamide, polyacetal, polybutylene terephthalate, polytetrafluoroethylene, ethyl vinyl acetate copolymer, ethylene tetrafluorethylen copolymer, polyamide, phenol, melamine, urea, urethane, epoxy, unsaturated polyester, polyallyl sulfone, polyacrylate, hydroxybenzoic acid polyester, polyetherimide, polycyclohexylenedimethylene terephthalate, polyethylene naphthalate, polyester carbonate, polylactic acid, phenolic resin, silicone or a combination of any of these can be used preferably. As the photosetting polymer, several kinds of (meth)acrylates can be used preferably. Such as unsubstituted alkyl-(meth) acrylates, for examples, methyl-acrylate, methyl-methacrylate, ethyl-acrylate, ethyl-methacrylate, butyl-acrylate, butyl-methacrylate, 2-ethylhexyl-acrylate, 2-ethylhexyl- methacrylate; substituted alkyl-(meth)acrylates, for examples, hydroxyl- group, epoxy group, or halogen substituted alkyl-(meth)acrylates; cyclopentenyl(meth)acrylate, tetra-hydro furfuryl-(meth)acrylate, benzyl (meth)acrylate, polyethylene-glycol di-(meth)acrylates. In view of better coating performance of the composition, sheet strength, and good handling, the matrix material has a weight average molecular weight in the range from 5,000 to 50,000 preferably, more preferably from 10,000 to 30,000. According to the present invention, the molecular weight Mw is determined by means of GPC (= gel permeation chromatography) against an internal polystyrene standard. As the thermosetting polymer, publicly known transparent thermosetting polymer can be used preferably. Such as OE6550 (trade mark) series (Dow Corning). As the thermoplastic polymer, the type of thermoplastic polymer is not particularly limited. For example, natural rubber(refractive index(n)=1.52), poly-isoprene(n=1.52), poly 1,2-butadine(n=1.50), polyisobutene(n=1.51), polybutene(n=1.51), poly-2-heptyl 1,3-butadine(n=1.50), poly-2-t-butyl-1,3- butadine(n=1.51), poly-1,3-butadine(n=1.52), polyoxyethylene(n=1.46), polyoxypropylene(n=1.45), polyvinylethyl ether(n=1.45), polyvinylhexylether(n=1.46), polyvinylbutylether(n=1.46), polyethers, poly vinyl acetate(n=1.47), poly esters, such as poly vinyl propionate(n=1.47), poly urethane(n=1.5 to 1.6), ethyl celullose(n=1.48), poly vinyl chloride(n=1.54 to 1.55), poly acrylo nitrile(n=1.52), poly methacrylonitrile(n=1.52), poly-sulfone(n=1.63), poly sulfide(n=1.60), phenoxy resin(n=1.5 to 1.6), polyethylacrylate(n=1.47), poly butyl acrylate(n=1.47), poly-2-ethylhexyl acrylate(n=1.46), poly-t-butyl acrylate(n=1.46), poly-3-ethoxypropylacrylate(n=1.47), polyoxycarbonyl tetra-methacrylate(n=1.47), polymethylacrylate(n=1.47 to 1.48), polyisopropylmethacrylate(n=1.47), polydodecyl methacrylate(n=1.47), polytetradecyl methacrylate(n=1.47), poly-n-propyl methacrylate(n=1.48), poly-3,3,5-trimethylcyclohexyl methacrylate(n=1.48), polyethylmethacrylate(n=1.49), poly-2-nitro-2- methylpropylmethacrylate(n=1.49), poly-1,1-diethylpropylmethacrylate (n=1.49), poly(meth)acrylates, such as polymethylmethacrylate(n=1.49), or a combination of any of these, can be used preferably as desired. In some embodiment of the present invention, such thermoplastic polymers can be copolymerized if necessary. A polymer, which can be copolymerized with the thermoplastic polymer described above is for example, urethane acrylate, epoxy acrylate, polyether acrylate, or, polyester acrylate (n=1.48 to 1.54) can also be employed. From the viewpoint of adhesiveness of the color conversion sheet, urethane acrylate, epoxy acrylate, and polyether acrylate are preferable. According to the present invention, elastomers are incorporated into either thermoplastic polymer or thermosetting polymer based on their physical properties. The matrix materials and the inorganic phosphors mentioned above in – Matrix materials, and in – Inorganic phosphors, can be preferably used for a fabrication of the color conversion sheet (100) and the light emitting diode device (200) of the present invention. In some embodiments of the present invention, the composition can optionally further comprise one or more of additional inorganic phosphors, which emits blue or red light. - Another Inorganic phosphors as an another material in the composition According to the present invention, any type of publicly known inorganic phosphors, preferably inorganic phosphors having a peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably in the range from 650 to 1500 nm, more preferably in the range from 650 to 1000 nm, even more preferably in the range from 650 to 800 nm, furthermore preferably in the range from 650 to 750 nm, much more preferably it is from 660 nm to 730 nm, furthermore preferably it is from 660 nm to 710 nm, the most preferably from 670 nm to 710nm, and / or at least one inorganic phosphor having a peak wavelength of light emitted from the inorganic phosphor in the range of 500 nm or less, preferably in the range from 250 nm to 500 nm, more preferably in the range from 300 nm to 500 nm, even more preferably in the range from 350 nm to 500 nm, furthermore preferably in the range from 400 nm to 500nm, much more preferably in the range from 420 nm to 480 nm, the most preferably in the rage from 430 nm to 460 nm, and / or at least one inorganic phosphor having a first peak wavelength of light emitted from the inorganic phosphor in the range of 500nm or less, and a second peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 250nm to 500nm, and the second peak light emission wavelength is in the range from 600 nm to 1500 nm, more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 300nm to 500nm, and the second peak light emission wavelength is in the range from 650 nm to 1000 nm, even more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 350nm to 500nm, and the second peak light emission wavelength is in the range from 650 nm to 800 nm, furthermore preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 400nm to 500nm, and the second peak light emission wavelength is in the range from 650 nm to 750 nm, much more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 420 nm to 480 nm, and the second peak light emission wavelength is in the range from 660 nm to 740 nm, the most preferably the first peak wavelength of light emitted from the inorganic phosphor is in the rage from 430 nm to 460 nm and the second peak wavelength of light emitted from the inorganic phosphor is in the range from 660 nm to 710 nm, can be used preferably. It is believed that the peak light wavelength of the light emitted from the phosphor in the rage 660 nm to 710 nm is specifically useful for plant growth. A wide variety of inorganic phosphors come into consideration for the present invention as an additional inorganic phosphor, such as, for example, metal-oxide phosphors, silicate and halide phosphors, phosphate and halophosphate phosphors, borate and borosilicate phosphors, aluminate, gallate and alumosilicate phosphors, phosphors, sulfate, sulfide, selenide and telluride phosphors, nitride and oxynitride phosphors and SiAlON phosphors. In some embodiments of the present invention, the additional inorganic phosphor is selected from the group consisting of metal-oxide phosphors, silicate and halide phosphors, phosphate phosphors, borate and borosilicate phosphors, aluminate, gallate and alumosilicate phosphors, sulfate, sulfide, selenide and telluride phosphors, nitride and oxynitride phosphors and SiAlON phosphors, preferably, it is a metal oxide phosphor, more preferably it is a Mn activated metal oxide phosphor or a Mn activated phosphate based phosphor, even more preferably it is a Mn activated metal oxide phosphor. Preferred metal-oxide phosphors are arsenates, germanates, halogerman- ates, indates, lanthanates, niobates, scandates, stannates, tantalates, titanates, vanadates, halovanadates, phosphovanadates, yttrates, zirconates, molybdate and tungstate. Even more preferably, it is a metal oxide phosphor, more preferably it is a Mn activated metal oxide phosphor or a Mn activated phosphate based phosphor, even more preferably it is a Mn activated metal oxide phosphor. Thus, in some embodiments of the present invention, said inorganic phosphor is selected from the group consisting of metal oxides, silicates and halosilicates, phosphates and halophosphates, borates and borosilicates, aluminates, gallates and alumosilicates, molybdates and tungstates, sulfates, sulfides, selenides and tellurides, nitrides and oxynitrides, SiAlONs, halogen compounds and oxy compounds, such as preferably oxysulfides or oxychlorides phosphors, preferably, it is a metal oxide phosphor, more preferably it is a Mn activated metal oxide phosphor or a Mn activated phosphate based phosphor, even more preferably it is a Mn activated metal oxide phosphor. For example, the inorganic phosphor is selected from the group consisting of Al2O3:Cr³⁺, Y3Al5O12:Cr³⁺, MgO:Cr³⁺, ZnGa2O4:Cr³⁺, MgAl2O4:Cr³⁺, Gd₃Ga₅O₁₂:Cr³⁺, LiAl₅O₈:Cr³⁺, MgSr₃Si₂O₈:Eu²⁺,Mn²⁺, Sr₃MgSi₂O₈:Mn⁴⁺, Sr2MgSi2O7:Mn⁴⁺, SrMgSi2O6:Mn⁴⁺, BaMg6Ti6O19:Mn⁴⁺, Ca14Al10Zn6O35:Mn⁴⁺, Mg8Ge2O11F2:Mn⁴⁺, Mg2TiO4:Mn⁴⁺, Y2MgTiO6:Mn⁴⁺, Li₂TiO₃:Mn⁴⁺, K₂SiF₆:Mn⁴⁺, K₃SiF₇:Mn⁴⁺, K₂TiF₆:Mn⁴⁺, K₂NaAlF₆:Mn⁴⁺, BaSiF6:Mn⁴⁺, CaAl12O19:Mn⁴⁺, MgSiO3:Mn²⁺, Si5P6O25:Mn⁴⁺, NaLaMgWO6:Mn⁴⁺, Ba2YTaO6:Mn⁴⁺, ZnAl2O4:Mn²⁺, CaGa2S4:Mn²⁺, CaAlSiN3:Eu²⁺, SrAlSiN3:Eu²⁺, Sr2Si5N8:Eu²⁺, SrLiAlN4:Eu²⁺, CaMgSi₂O₆:Eu²⁺, Sr₂MgSi₂O₇:Eu²⁺, SrBaMgSi₂O₇:Eu²⁺, Ba₃MgSi₂O₈:Eu²⁺, LiSrPO4:Eu²⁺, LiCaPO4:Eu²⁺, NaSrPO4:Eu²⁺, KBaPO4:Eu²⁺, KSrPO4:Eu²⁺, KMgPO₄:Eu²⁺, ^-Sr₂P₂O₇:Eu²⁺, ^-Ca₂P₂O₇:Eu²⁺, Mg₃(PO₄)₂:Eu²⁺, Mg3Ca3(PO4)4:Eu²⁺, BaMgAl10O17:Eu²⁺, SrMgAl10O17:Eu²⁺, AlN:Eu²⁺, Sr₅(PO₄)₃Cl:Eu²⁺, NaMgPO₄ (glaserite):Eu²⁺, Na₃Sc₂(PO₄)₃:Eu²⁺, LiBaBO3:Eu²⁺, SrAlSi4N7:Eu²⁺, Ca2SiO4:Eu²⁺, NaMgPO4:Eu²⁺, CaS:Eu²⁺, Y2O3:Eu³⁺, YVO4:Eu³⁺, LiAlO2:Fe³⁺, LiAl5O8:Fe³⁺, NaAlSiO4:Fe³⁺, MgO:Fe³⁺, Gd₃Ga₅O12:Cr³⁺,Ce³⁺, (Ca, Ba, Sr)₂MgSi₂O₇:Eu,Mn, CaMgSi₂O₆:Eu²⁺,Mn²⁺, NaSrBO₃:Ce³⁺, NaCaBO₃:Ce³⁺, Ca₃(BO₃)₂:Ce³⁺, Sr3(BO3)2:Ce³⁺, Ca3Y(GaO)3(BO3)4:Ce³⁺, Ba3Y(BO3)3:Ce³⁺, CaYAlO4:Ce³⁺, Y2SiO5:Ce³⁺, YSiO2N:Ce³⁺, Y5(SiO4)3N:Ce³⁺, Ca2Al3O6FGd3Ga5O12:Cr³⁺,Ce³⁺, ZnS, InP/ZnS, CuInS2, CuInSe2, CuInS₂/ZnS, carbon/graphen quantum dots and a combination of any of these as described in the second chapter of Phosphor handbook (Yen, Shinoya, Yamamoto). It is believed that the Mn⁴⁺ activated metal oxide phosphors, Mn, Eu activated metal oxide phosphors, Mn²⁺ activated metal oxide phosphors, Fe³⁺ activated metal oxide phosphors can be used preferably from the viewpoint of environmentally friendly since these phosphors do not create Cr⁶⁺ during synthesis procedure. As an additional inorganic phosphor which emits blue or red light, any type of publicly known materials, for example as described in the second chapter of Phosphor handbook (Yen, Shinoya, Yamamoto), can be used if desired. Without wishing to be bound by theory, it is believed that the blue light especially around 450 nm wavelength light may lead better plant growth, if it is combined with emission light from the inorganic phosphor having the peak wavelength of light emitted from the inorganic phosphor in the range from 660 nm to 740 nm, especially the combination of the blue light around 450 nm wavelength and emission light from the inorganic phosphor having the peak wavelength of light emitted from the inorganic phosphor in the range from 670 nm to 710 nm is preferable for better plant growth. Thus, more preferably, the composition can further comprise at least one blue light emitting inorganic phosphor having peak wavelength of light emitted from the inorganic phosphor around 450 nm, like described in the second chapter of Phosphor handbook (Yen, Shinoya, Yamamoto). In some embodiments, said additional inorganic phosphor is a different type of inorganic phosphor from the inorganic phosphor of the present invention -Vinzl monomers In some embodiments of the present invention, the composition can embrace one or more of publicly available vinyl monomers that are co- polymerizable. Such as acrylamide, acetonitrile, diacetone-acrylamide, styrene, and vinyl-toluene or a combination of any of these. -Crosslinkable monomers According to the present invention, the composition can further include one or more of publicly available crosslinkable monomers. For example, cyclopentenyl(meth)acrylates; tetra-hydro furfuryl- (meth)acrylate; benzyl (meth)acrylate; the compounds obtained by reacting a polyhydric alcohol with and α,β-unsaturated carboxylic acid, such as polyethylene-glycol di-(meth)acrylates (ethylene numbers are 2- 14), tri-methylol propane di(meth)acrylate, tri-methylol propane di (meth)acrylate, tri-methylol propane tri-(meth)acrylate, tri-methylol propane ethoxy tri-(meth) acrylate, tri-methylol propane propoxy tri-(meth) acrylate, tetra-methylol methan tri-(meth) acrylate), tetra-methylol methane tetra(meth) acrylate, polypropylene glycol di(meth)acrylates (propylene number therein are 2-14), Di-penta-erythritol penta(meth)acrylate, di- penta-erythritol hexa(meth)acrylate, bis-phenol-A Polyoxyethylene di- (meth)acrylate, bis-phenol-A dioxyethylene di-(meth)acrylate, bis-phenol-A trioxyethylene di-(meth)acrylate, bis-phenol-A decaoxyethylene di- (meth)acrylate; the compounds obtained from an addition of an α,β- unsaturated carboxylic acid to a compound having glycidyl, such as tri- methylol propane triglycidylether triacrylate, bis-phenol A diglycidylether diacrylates; chemicals having poly-carboxylic acids, such as a phtalic anhydride; or chemicals having hydroxy and ethylenic unsaturated group, such as the esters with hydroxyethyl (meth)acrylate; alkyl-ester of acrylic acid or methacylic acid, such as methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, 2-ethyl hexyl (meth)acrylate; urethane (meth)acrylate, such as the reactants of Tolylene diisocyanate and 2- hydroxyethyl (meth)acrylate, the reactants of tri-methyl hexamethylene di- isocyanate and cyclohexane dimethanol, and 2-hydroxyethyl (meth)acrylate; and a combination of any of these. In a preferred embodiment of the present invention, the crosslinkable monomer is selected from the group consisting of tri-methylol-propane tri (meth)acrylate, di-pentaerythritol tetra-(meth)acrylate, di-pentaerythritol hexa-(meth)acrylate, bisphenol-A polyoxyethylene dimethacrylate and a combination thereof. The vinyl monomers and the crosslinkable monomers described above can be used alone or in combination. From the viewpoint of controlling the refractive index of the composition and / or the refractive index of the color conversion sheet according to the present invention, the composition can further comprise publicly known one or more of bromine-containing monomers, sulfur-containing monomers. The type of bromine and sulfur atom-containing monomers (and polymers containing the same) are not particularly limited and can be used preferably as desired. For example, as bromine-containing monomers, new frontier® BR-31, new Frontier® BR-30, new Frontier® BR-42M (available from DAI-ICHI KOGYO SEIYAKU CO., LTD) or a combination of any of these, as the sulfur-containing monomer composition, IU-L2000, IU-L3000, IU-MS1010 (available from MITSUBISHI GAS CHEMICAL COMPANY, INC.) or a combination of any of these, can be used preferably. -Photo initiator for the composition In a preferred embodiment of the present invention, the photo initiator can be a photo initiator that can generates a free radical when it is exposed to an ultraviolet light or a visible light. For example, benzoin-methyl-ether, benzoin-ethyl-ether, benzoin-propyl-ether, benzoin-isobutyl-ether, benzoin-phenyl-ether, benzoin-ethers, benzophenone, N,N’-tetramethyl- 4,4’-diaminobenzophenone (Michler’s-ketone), N,N’-tetraethyl- 4,4’diaminobenzophenone, benzophenones, benzil-dimethyl-ketal (Ciba specialty chemicals, IRGACURE® 651), benzil-diethyl-ketal, dibenzil ketals, 2,2-dimethoxy-2-phenylacetophenone, p-tert-butyldichloro acetophenone, p-dimethylamino acetophenone, acetophenones, 2,4- dimetyl thioxanthone, 2,4-diisopropyl thioxanthone, thioxanthones, hydroxy cyclohexyl phenyl ketone (Ciba specialty chemicals, IRGACURE® 184), 1-(4-isopropylphenyl)-2-hydroxy-2-methylpropane-1-on (Merck, Darocure® 1116), 2-hydroxy-2-methyl-1-phenylpropane-1-on (Merck, Darocure® 1173). -Adjuvant An adjuvant can enhance permeability of effective component (e.g. insecticide), inhibit precipitation of solute in the composition, or decrease a phytotoxicity. Here, a surfactant means it does not comprise or is not comprised by other additives, for example a spreading agent, a surface treatment and an adjuvant. Preferably said adjuvant can be selected from the group consisting of a mineral oil, an oil of vegetable or animal origin, alkyl esters of such oils or mixtures of such oils and oil derivatives, and combination thereof. As one embodiment, the weight ratio of each 1 additive of dispersant, surfactant, fungicide, antimicrobial agent and antifungal agent, to the weight of the invention phosphor in the total amount of the composition is in the range from 50 wt.% to 200 wt.%, more preferably it is from 75 wt.% to 150 wt.%. Exemplified embodiment of an adjuvant is Approach BI (Trademark, Kao Corp.). - Formulation In another aspect, the invention relates to a formulation comprising, essentially consisting of, or a consisting of at least one particle of the present invention or the composition of the present invention, and a solvent. Preferably said formulation comprises a plurality of the inorganic phosphors or the composition of the present invention. - Solvent for the formulation As a solvent, wide variety of publicly known solvents can be used preferably. There are no particular restrictions on the solvent as long as it can dissolve or disperse the matrix material, and the particle of the composition. Preferably a plurality of particles of the present invention are in the formulation. In a preferred embodiment of the present invention, the solvent can be selected from the group consisting of water, ethylene glycol monoalkyl ethers, such as, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, and ethylene glycol monobutyl ether; diethylene glycol dialkyl ethers, such as, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol dipropyl ether, and diethylene glycol dibutyl ether; ethylene glycol alkyl ether acetates, such as, methyl cellosolve acetate and ethyl cellosolve acetate; propylene glycol alkyl ether acetates, such as, propylene glycol monomethyl ether acetate (PGMEA), propylene glycol monoethyl ether acetate, and propylene glycol monopropyl ether acetate; aromatic hydrocarbons, such as, benzene, toluene and xylene; ketones, such as, methyl ethyl ketone, acetone, methyl amyl ketone, methyl isobutyl ketone, and cyclohexanone; alcohols, such as, ethanol, propanol, butanol, hexanol, cyclohexanol, ethylene glycol, and glycerin; esters, such as, ethyl 3-ethoxypropionate, methyl 3-methoxypropionate and ethyl lactate; and cyclic asters, such as, γ-butyrolactone. Those solvents are used singly or in combination of two or more, and the amount thereof depends on the coating method and the thickness of the coating. More preferably, propylene glycol alkyl ether acetates, such as, propylene glycol monomethyl ether acetate (hereafter “PGMEA”), propylene glycol monoethyl ether acetate, or propylene glycol monopropyl ether acetate and / or aromatic hydrocarbons, such as, benzene, toluene and xylene, can be used for Even more preferably, benzene, toluene, or xylene can be used. The amount of the solvent in the formulation can be freely controlled. For example, if the formulation is to be spray-coated, it can contain the solvent in an amount of 90 wt.% or more based on total amount of the formulation. Further, if a slit-coating method, which is often adopted in coating a large substrate, is to be carried out, the content of the solvent is normally 60 wt.% or more, preferably in the range from 70 wt.% to 95 wt.% based on the total amount of the formulation. -Use of the particle, the composition, or the formulation In another aspect, the invention relates to use of the particle of the present invention, or the composition of the present invention, or the formulation of the present invention, in an optical sheet fabrication process or in agriculture, preferably for fabricating an agricultural sheet or for controlling a condition of a living organism. - An optical sheet (100) In another aspect, the invention relates to an optical sheet (100) comprising at least one particle of the present invention, or the composition of the present invention, preferably said optical sheet is an agricultural sheet. Preferably said optical sheet (100) comprises a plurality of particles of the present invention or the composition. In some embodiments of the invention, the optical sheet (100) can be a film, or a fiber mat. According to the present invention, in some embodiments, the optical sheet (100) can be rigid or flexible. In some embodiments of the present invention, the optical sheet (100) can be any structure. Such as plane, curved, wave formed structures to increase a growth of plant. In some embodiments of the invention, the optical sheet (100) comprises at least a first layer (100a) comprising at least the composition or the first layer (100a) made from the composition. According to the present invention, said fiber mat can be fabricated by using publicly known spinning method. And said cover layer can be fabricated by using a known method such as a spinning, dip coating, bar coating, printing, and/or spin coating. In some embodiments of the invention, the sheet further comprises a second layer (100b), preferably the second layer (100b) comprises at least a material selected from one or more members of the group consisting of adhesives, insecticides, insect attractants, yellow dye, pigments, phosphors, metal oxides, Al, Ag, Au, and antimicrobials, more preferably said pigments are yellow pigments, blue pigments or a combination of these, and said phosphors are phosphors of the present invention or phosphors that can emit a light with a peak maximum light wavelength in the range from 350nm to 500nm, and/or 550nm to 600nm, more preferably in the range from 380nm to 490nm, and/or 570nm to 590nm. In some embodiments of the present invention, the second layer (100b) comprises at least the inorganic phosphor of the present invention, and a second material selected from adhesives, and/or insecticides. In some embodiments of the present invention, the second layer (100b) can further comprises a matrix material described in the section of “matrix material”. According to the present invention, said inorganic phosphor is described in the section of “inorganic phosphors” above. In some embodiments of the present invention, the second layer (100b) comprises at least a first material selected from one or more of the members of the group consisting of yellow pigments, yellow phosphors, yellow dyes, and insect attractants, and a second material selected from adhesives, and/or insecticides. Such second layer (100b) can be fabricated by a publicly known method. For example, spray coating, bar coating, slit coating, dip coating, spin coating, inkjet printing can be used. In some embodiments of the present invention, the second layer (100b) of the optical medium (100) is a light reflecting layer, preferably the second layer (100b) as the reflecting layer comprises at least a light reflecting material which can reflect at least blue, red, and/or infrared light, even more preferably the second layer (100b) essentially consists of or consists of one or more of light reflecting materials. As a light reflecting material any kinds of less toxic known light reflecting materials such as Al, Cu, Ag, Au, and metal oxides can be used preferably, more preferably Al, or Cu is used as the light reflecting material from the view point of high light reflection at deep red-light wavelength and lower cost. In some embodiments, said first layer is at least partially covered by said second layer, preferably at least one side of said first layer (100a) one side of the optical medium (100) is fully covered by the second layer. In some embodiments, the optical medium (100) optionally may comprise a third layer (100c) or more layers. In some embodiments, said first layer (100a), optionally the second layer (100b), the third layer (100c) or more layers can be sandwiched by, or fully or partially covered by one or more of optically transparent protection layers. According to the present invention, said protection layer can be made from any publicly known transparent materials suitable for optical films. Fabrication method for coating of optical sheet (100) by the light reflecting material is not particularly limited. Publicly known methods such as vacuum deposition, sputtering, chemical vapor deposition, printing can be used. In some embodiments of the invention, the optical the sheet (100) comprises a first layer(100a), wherein the first layer (100a) comprises, in the first layer, at least a first area comprising the composition according to the present invention and a second area, preferably said second area comprising at least one additive described in the section of “Additive”. In some embodiments of the invention, the concentration of the particle of the present invention (110) in the sheet is varies from a high concentration on one side of the sheet to a low concentration of the opposite side of the sheet, preferably it is varying from a high concentration on one side of the sheet to a low concentration of the opposite side of the sheet in-plane direction. In some embodiments of the invention, the optical sheet (100), may further comprises a substrate, preferably said substrate is an optically transparent substrate, colored substrate, selective light reflector, or a light reflector. According to the present invention, the term “light reflect” means reflecting at least around 60 % of incident light at a wavelength or a range of wavelength used during operation of the optical medium (100). Preferably, it is over 70 %, more preferably, over 75%, the most preferably, it is over 80 %. According to the present invention, the term “transparent” means at least around 60 % of incident light transmittal at the thickness used in a the optical medium (100) and at a wavelength or a range of wavelength used during operation of the optical medium (100). Preferably, it is over 70 %, more preferably, over 75%, the most preferably, it is over 80 %. In some embodiments of the present invention, said reflector is a metal substrate, preferably Al substrate, Cu substrate, metal alloy substrate is useful from the view point of high light reflection at deep red-light wavelength and lower cost. A material for the selective light reflection reflector is not particularly limited. Well known materials for a selective light reflector can be used preferably as desired. According to the present invention, the selective light reflector can be a single layer or multiple layers. In a preferred embodiment, the selective light reflector comprises at least a selective light reflecting layer selected from the group consisting of Al layer, Al + MgF2 stacked layers, Al + SiO stacked layers, Al + dielectric multiple layer, Au layer, dielectric multiple layer, Cr + Au stacked layers; with the selective light reflection layer more preferably being Al layer, Al + MgF2 stacked layers, Al + SiO stacked layers. Preferably, said selective light reflecting layer is stacked onto a transparent substrate. In general, the methods of preparing the selective light reflection layer can vary as desired and selected from well-known techniques. In some embodiments, the selective light reflection layer expect for cholesteric liquid crystal layers can be prepared by a gas phase based coating process (such as Sputtering, Chemical Vapor Deposition, vapor deposition, flash evaporation), or a liquid-based coating process. In some embodiments of the present invention, the optical medium is an optical sheet, for example, a color conversion sheet, a remote phosphor tape, or another sheet or a filter for agriculture. In some embodiments of the present invention, the layer thickness of the optical sheet is in the range from 5 μm to 1 mm, preferably it is in the range from 10 μm to 500 μm, more preferably it is from 30 μm to 200 μm, even more preferably from 50 μm to 100 μm from the view point of better light conversion property and lower production cost. In some embodiments of the present invention, the total amount of the particle in the optical sheet is in the range from 0.01wt.% to 30wt.% based on the total amount of the matrix material, preferably it is from 0.1wt.% to 10wt.%, more preferably from 0.5wt.% to 5wt.%, furthermore preferably it is from 1wt.% to 3wt.%, from the view point of better light conversion property, lower production cost and less production damage of a production machine. - Optical device In another aspect, the invention relates to an optical device (200) comprising the optical sheet (100), or the composition and further comprising a light source, a light re-directing device, and/or a reflector. Preferably said light source is a light emitting diode, or an organic light emitting diode. In some embodiments of the present invention, the optical device (200) comprises at least one optical sheet and a supporting part, preferably the supporting part comprises at least one attaching part to attach the optical medium, and optionally a base part to support optical medium and supporting part itself, more preferably the supporting part comprises one or more of attaching part to attach one or more of optical medium. In a preferred embodiment of the present invention, the optical device is a lighting device, a light emitting diode device for agriculture, or building materials of greenhouse. -Use of composition or formulation In another aspect, the invention relates to use of the composition, or formulation in an optical sheet fabrication process. -Use of the optical sheet (100) or the optical device (200) In another aspect, the invention relates to use of the optical sheet (100) or the optical device (200) of the present invention for agriculture, preferably for greenhouse or for controlling a condition of a living organism in agriculture. -Green House In another aspect, the present invention furthermore relates to a greenhouse comprising the optical sheet (100). -Method for preparing the optical sheet (100) In another aspect, the present invention furthermore relates to method for preparing the optical sheet (100), preferably for preparing the agriculture sheet, wherein the method comprises following steps (N) and (P), (N) providing the composition or the formulation of the present invention in a first shaping, preferably providing the composition onto a substrate or into an inflation moulding machine, and (P) fixing the matrix material by evaporating a solvent and / or polymerizing the composition by heat treatment or exposing the photosensitive composition under ray of light or a combination of any of these. In a preferred embodiment, the method comprises following steps (N) and (P) in this sequence. In some embodiments of the present invention, the composition in step (N) is provided by spin coating, spray coating, bar coating, or a slit coating method. In a preferred embodiment of the present invention, the composition or the formulation in step (N) is provided into an inflation-molding machine and the matrix material is fixed by heat treatment of the machine. -Method for preparing the optical device (200) In another aspect, the present invention furthermore relates to method for preparing the optical device (200), wherein the method comprises following step (A), (A) providing the optical sheet (100) in an optical device. The details of the composition and the formulation are described in the section of “composition” and the section of “formulation”. Especially, according to the present invention, the optical sheet (100) is useful for agriculture. Particularly, the optical medium (100) is useful for a mulch cultivation sheet to cover at least a part of a ridge in a field or to cover at least a part of a surface of planter, such as a surface of nutrient film technique hydroponics system or a deep flow technique hydroponics system. It is believed that the optical sheet as a mulch cultivation sheet can control plant condition such as plant growth and to protect a plant and/or a ridge or a surface of planter as a mulch cultivation sheet at the same time preferably. Therefore, more preferably, the invention relates to use of the optical sheet (100) as a mulch cultivation sheet to cover a ridge in a field or to cover a surface of planter, preferably said planter is a nutrient film technique hydroponics system or a deep flow technique hydroponics system. Even more preferably, one side of the optical sheet (100) is coated by a light reflecting material which can reflect at least blue, red, and/or infrared light. As a light reflecting material any kinds of less toxic known light reflecting materials such as Al, metal oxides can be used preferably, more preferably Al, or AlO₂ is used as the light reflecting material. Preferably, said one side of the optical medium (100) is fully covered by the light reflecting material. Fabrication method for coating of optical medium (100) by the light reflecting material is not particularly limited. Publicly known methods such as vacuum deposition, sputtering, chemical vapor deposition, printing can be used. In some embodiment, the optical sheet (100) may be used to control growth of plankton, preferably said plankton is a phytoplankton. In another aspect, the present invention relates to use of the particle, the composition, the formulation, the optical medium (100), the optical device (200), or the green house, for cultivation of algae, bacteria, preferably said bacteria are photosynthetic bacteria, and/or planktons, preferably it is photo planktons, preferably for improvement of controlling property of a phytoplankton condition, photosynthetic bacteria and/or alga, preferably acceleration of growth of phytoplankton, photosynthetic bacteria and/or alga; improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids, preferably by blue light; plant growth promotion; adjustment and / or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, vitamin content of plants; controlling of secondary metabolites, preferably controlling of polyphenols, and/or anthocyanins; controlling of a disease resistance of plants; controlling of ripening of fruits, or controlling of weight of plant. In another aspect, the present invention furthermore relates to method of supplying the inorganic phosphor, the composition or the formulation of the present invention to at least one portion of a plant. In another aspect, the present invention furthermore relates to modulating a condition of a plant, a plankton, or a bacterium, comprising at least following step (C), (C) providing the optical sheet (100), between a light source and a plant, between a light source and a plankton, preferably said plankton is a phytoplankton, between a light source and a bacterium, preferably said bacterium is a photosynthetic bacterium, and/or providing the optical sheet (100), over a ridge in a field or over a surface of planter, preferably said planter is a nutrient film technique hydroponics system or a deep flow technique hydroponics system to control plant growth. In a preferred embodiment of the present invention, the optical sheet (100) is provided directly onto a ridge in a field or onto a surface of planter. According to the present invention, the light source is the sun or an artificial light source, preferably said artificial light source is a light emitting diode. In another aspect, the present invention further relates to a plant, a plankton, or a bacterium obtained or obtainable by the method. Preferably said plankton is a phytoplankton, and said bacterium is a photosynthetic bacterium. In another aspect, the present invention furthermore relates to a container comprising at least one plant, a plankton, or a bacterium obtained or obtainable by the method of the present invention. Preferably said plankton is a phytoplankton, and said bacterium is a photosynthetic bacterium. According to the present invention, the plant can be flowers, vegetables, fruits, grasses, trees and horticultural crops (preferably flowers and horticultural crops, more preferably flowers). As one embodiment of the invention, the plant can be foliage plants. Exemplified embodiments of grasses are a poaceae, bambuseae (preferably sasa, phyllostachys), oryzeae (preferably oryza), pooideae (preferably poeae), triticeae (preferably elymus), elytrigia, hordeum, triticum, secale, arundineae, centotheceae, chloridoideae, hordeum vulgare, avena sativa, secale cereal, andropogoneae (preferably coix), cymbopogon, saccharum, sorghum, zea (preferably zea mays), sorghum bicolor, saccharum officinarum, coix lacryma-jobi var., paniceae (preferably panicum), setaria, echinochloa (preferably panicum miliaceum), echinochloa esculenta, and setaria italic. Embodiments of vegetables are stem vegetables, leaves vegetables, flowers vegetables, stalk vegetables, bulb vegetables, seed vegetables (preferably beans), roots vegetables, tubers vegetables, and fruits vegetables. One embodiment of the plant can be Gaillardia, Lettuce, Rucola, Komatsuna (Japanese mustard spinach) or Radish (preferably Gaillardia, Lettuce, or Rucola). The environment of growing plant can be natural environment, a green house, a plant factory and indoor cultivation, preferably natural environment and a green house. One embodiment of the natural environment is an outside farm. Preferable embodiments 1. Method for fabricating a particle of a polymer coated inorganic phosphor comprising at least the following steps: a) Preparing a 1^st reaction mixture by mixing at least 1^st polymer precursor, an inorganic phosphor and optionally a polymerization initiator together with at least a 1^st solvent; b) Reacting the 1^st polymer precursor in the 1^st reaction mixture without using water as a solvent to form a 1^st polymer coating layer on the surface of the inorganic phosphor, preferably said reaction is triggered by applying irradiation of rays to the 1^st reaction mixture and/or by applying a heat treatment, preferably said polymerization initiator is selected from one or more members of the group consisting of photo acid-generators, photo radical – generators, photo base – generators, heat acid-generators, heat base – generators and heat radical – generators, preferably said ray is visible light, UV rays, IR rays, X-rays, electron beams, α-rays, γ-rays or a combination of any of these. 2. The method of embodiment 1, wherein the 1^st solvent is an organic solvent, preferably said organic solvent is selected from one or more members of the group consisting of alcohols including primary alcohol having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 2 to 20 carbon atoms, such as methanol, ethanol, isopropyl alcohol, butyl alcohol, 1-pentanol, tetrahydrofurfuryl alcohol, 1-hexanol, 1- heptanol, 1-octanol, 1-nonanol, 1-decanol (boiling point (^oC): 9.6), 1- undecanol (14), 1-dodecanol (26), 1-tridecanol (32), 1-tetradecanol (40), 1-pentadecanol (46), 1-hexadecanol (55), 1-heptadecanol (55), 1- octadecyl alcohol, 1-nonadecanol (64), 1-eicosanol (67); secondary alcohol having 3 to 40, preferably 3 to 25, more preferably 3 to 20 carbon atoms such as 2-propanol, 1-methoxy-2-propanol, 2-butanol, 2-pentanol, 2-hexanol, 2-heptanol, cyclohexanol and tertiary alcohol having 4 to 40 carbon atoms, preferably 4 to 25 carbon atoms, more preferably 4 to 20 carbon atoms such as tert-butyl alcohol, 2-methyl-2-pentanol, 3-methyl-3- pentanol; diol having 2 to 10 carbon atoms such as ethylene glycol, 1,3- propanediol, propylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6- hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10- decanediol, 1,4-cyclohexanedimethanol; heteroaromatic alcohol such as furfuryl alcohol, (5-methyl-2-furyl)methanol, 1-(2-furyl)ethan-1-ol, 2,5- furandimethanol, 2-thiophemethanol, 2-thiopheethanol; ketones such as (acetone), ethyl methyl ketone, diethyl ketone, methyl propyl ketone, methyl isobutyl ketone, cyclohexanone, isophorone, acetophenone; cycloalkane having carbon atoms 6 to 12 such as cyclohexane, methylcyclohexane, 1,1-dimethylcyclohexane, 1,2-dimethylcyclohexane, 1,3-dimethylcyclohecxane, 1,4-dimethylcyclohexane, 1,3,5- trimethylcyclohexane, 1-ethyl-4-methylcyclohexane, cycloheptane, cyclooctane, cyclononane, and cyclodecane; ethers such as tetrahydrofuran, 1,3-dimethoxyethane, 1,2-dimethoxypropane, 1,3- dimethoxypropane, 2,2-dimethoxypropane, 2,2-diethoxypropane, diethylene glycol ethyl ether, diethylene glycol diethyl ether, diethylene glycol propyl ether, diethylene glycol dipropyl ether, diethylene glycol butyl ether, diethylene glycol dibutyl ether, di(propylene glycol) methyl ether, di(propylene glycol) dimethyl ether, di(propylene glycol) propyl ether, 1,2- dimethoxycyclohexane, 1-methoxy-4-methylcyclohexane, 1,3-dioxane, 1,4-dioxane, poly(ethylene glycol) tetrahydrofurfuryl ether, tetrahydrofurfuryl alcohol polyethylerene glycol ether, tetraglycol, ethyl tetrahydrofurfuryl ether; esters such as methyl acetate, ethyl acetate, isoamyl acetate, butyl acetae, n-butyl acetate, sec-buyl acetate, isobutyl acetate, propyl acetate, isopropyl acetate, amyl acetate, pentyl acetate, isopentyl acetate, 2-ethoxyethyl acetate, hexyl acetate, cyclohexyl acetate, heptyl acetate, lauryl acetate, dodecyl acetate, ethyl 2-(benzyloxy)acetate, benzyl acetate, phenyl acetate, 4-tert-pentylcyclohexyl acetate, 1,2- diacetoxycyclohexane, 1,3-diacetoxycyclohexane, 1,3,5- triacetoxycyclohexane, tetrahydrofurfuryl acetate, tetrahydrofurfuryl butyrate, dimethyl carbonate, diethyl carbonate, dethylene carbonate, propylene carbonate, ethylene carbonate, diallyl carbonate, dipropyl carbonate, dibenzyl carbonate; and amide such as N,N- dimethylacetamide, N,N-dimethylformamide. 3. The method of embodiment 1 or 2, wherein no water is used at least in step (b), preferably no water is used in step (a) and step (b), preferably no water is used in the whole fabrication process. 4. The method of any one of embodiments 1 to 3, wherein said 1^st polymer precursor is an acidic monomer, preferably it is selected from one or more members of the group consisting of acrylic acid, 2-chloroacrylic acid, 2- bromoacrylic acid, methacrylic acid, 2-phenylacrylic acid, 2- (methoxymethyl)-2-propenoic acid, 2-methylenesuccinic acid, methyl itaconate, ethyl itaconate, 2-methylene-4-oxo-pentanoic acid, propylacrylic acid, 1-[2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl] ester butanedioic acid, 1-[2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl] ester 1,2- cyclohexanedicarboxylic acid, 2-methacryloyloxyethyl acid phosphate, bis(2-methacryloyloxyethyl acid) phosphate, 1-[2-[(1-oxo-2-propen-1-yl) oxy]ethyl] ester butanedioic acid, 1-[2-[(1-oxo-2-propen-1-yl)oxy]ethyl] ester 1,2-cyclohexanedicarboxylic acid, 1-[2-[(1-oxo-2-propen-1-yl)oxy] ethyl] ester 1,2-Benzenedicarboxylic acid, 2-(phosphonooxy)ethyl ester 2- propenoic acid, 1-[1-[[4-[1-[4-[2-hydroxy-3-[(1-oxo-2-propen-1-yl)oxy] propoxy]phenyl]-1-methylethyl]phenoxy]methyl]-2-[(1-oxo-2-propen-1-yl) oxy]ethyl] ester 4-cyclohexene-1,2-dicarboxylic acid; styrene delivative monomer such as 4-vinylbenzoic acid, 4-(1-methylethenyl)benzoic acid. 5. The method of any one of embodiments 1 to 4, wherein said 1^st polymer precursor is a (meth)acrylate monomer represented by chemical formula (I),

wherein

X is a non-substituted or substituted alkyl group, aryl group or an alkoxy group; R¹ is a hydrogen atom, halogen atom of Cl, Br, or F, methyl group, alkyl group, aryl group, alkoxy group, ester group, or a carboxylic acid group; m is 1, 2 or 3 when Y is a phosphonic acid, m is 1 when Y is not a phosphonic acid; Y is an anchoring group selected from one or more members of the group consisting of phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amine, carboxyl groups, hetero cyclic groups, silane groups, sulfonic acids, hydroxyl groups, succinates and phosphonic acids, preferably Y is carboxyl group, phosphonate group or a phosphonic acid; preferably the symbol X is

wherein n is 0 or 1; R² is a straight alkylene chain or alkoxylene chain having 1 to 25 carbon atoms, preferably R² is a straight alkylene chain or alkoxylene chain having1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms, which may be substituted by one or more radicals R^a, where one or more non-adjacent CH2 groups may be replaced by R^aC=CR^a, C≡C, Si(R^a)2, Ge(R^a)2, Sn(R^a)2, C=O, C=S, C=Se, C=NR^a, P(=O)(R^a), SO, SO2, NR^a, OS, or CONR^a and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO₂; R^a is at each occurrence, identically or differently, H, D or an alkyl group having 1 to 20 carbon atoms, cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a hetero aromatic ring system having 5 to 60 carbon atoms, wherein H atoms may be replaced by D, F, Cl, Br, I; two or more adjacent substituents R^a here may also form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system with one another; more preferably said formula (I) is formula (II) or formula (III),

wherein Z¹ is symbol A, hydrogen atom, D, F, Cl, Br, I, a branched or straight alkyl chain having 1-15 carbon atoms, a branched or straight alkylene chain or alkoxylene chain having1 to 15 carbon atoms or an aryl group having 3 to 15 carbon atoms; Z² is symbol A, hydrogen atom, D, F, Cl, Br, I, a branched or straight alkyl chain having 1-15 carbon atoms, a branched or straight alkylene chain or alkoxylene chain having1 to 15 carbon atoms or an aryl group having 3 to 15 carbon atoms. 6. The method of any one of embodiments 1 to 5, wherein the reaction in step (b) is carried out at the temperature in the range from 35°C to 120°C, preferably from 50°C to 100°C, more preferably from 50°C to 85 °C, even more preferably from 55°C to 80°C, further more preferably from 60°C to 76 °C. 7. The method of any one of embodiments 1 to 6, wherein the total amount of the 1^st polymer precursor used in step (b) is in the range from 0.5 to 20 (parts) pts.wt based on the total amount of the inorganic phosphor used in step (b), preferably it is in the range from 1 to 10 pts.wt, more preferably it is in the range from 2 to 7.5 pts.wt, even more preferably it is in the range from 3 to 5 pts.wt. 8. The method of any one of embodiments 1 to 7, further comprises following step (c), (d) and (e),

(c) mixing a 2^nd polymer precursor in a 2^nd solvent to form a 2^nd reaction mixture; (d) adding the 2^nd reaction mixture into the 1^st reaction mixture to form a 3^rd reaction mixture; (e) reacting the 2^nd polymer precursor in the 3^rd reaction mixture to form the 1^st polymer coating layer on the surface of the inorganic phosphor or to form a 2^nd polymer coating layer on the 1^st polymer coating layer. 9. The method of any one of embodiments 1 to 7, wherein said step (a) further comprise following step (a1) and (a2), (a1) mixing a 1^st polymer precursor with a 2^nd solvent to form a reaction mixture a1, preferably said 1^st polymer precursor is a styrene monomer; (a2) mixing an inorganic phosphor with a surfactant in a 1^st solvent to form a reaction mixture a2, preferably said surfactant contains at least one anchoring group selected from the one or more members of the group consisting of phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amine, carboxyl groups, hetero cyclic groups, silane groups, sulfonic acids, hydroxyl groups, succinates, and phosphonic acids; preferably said anchoring group is a carboxyl group or a phosphonate group, more preferably it is a phosphonate group, preferably step (a2) is carried out at the temperature in the rage from 10°C to 35°C (at room temperature), more preferably in the rage from 15°C to 30°C; (a3) combining the reaction mixture a1 and a2 to form the 1^st reaction mixture of step (a). 10. The method of any one of embodiments 1 to 9, wherein ultrasound irradiation is applied to said reaction mixture, preferably it is applied to the 3^rd reaction mixture, preferably the frequency of the ultrasound is in the rage from 1 to 1,000 kHz, more preferably from 5 to 500 kHz, even more preferably from 10 to 400 kHz. 11. The method of any one of embodiments 1 to 10, wherein said 2^nd polymer precursor is selected from one or more members of the group consisting of (meth)acrylate monomers, such as 1-[2-[(2-methyl-1-oxo-2- propen-1-yl)oxy]ethyl] ester butanedioic acid, 1-[2-[(2-methyl-1-oxo-2- propen-1-yl)oxy]ethyl] ester 1,2-cyclohexanedicarboxylic acid, 2- methacryloyloxyethyl acid phosphate (Kyoeisha Chemical “LIGHT ESTER P-1M(N)”), bis(2-methacryloyloxyethyl acid) phosphate, 1-[2-[(1-oxo-2- propen-1-yl)oxy]ethyl] ester butanedioic acid, 1-[2-[(1-oxo-2-propen-1-yl) oxy]ethyl] ester 1,2-cyclohexanedicarboxylic acid, 1-[2-[(1-oxo-2-propen-1- yl)oxy]ethyl] ester 1,2-Benzenedicarboxylic acid, 2-(phosphonooxy)ethyl ester 2-propenoic acid; diacrylate such as triethylene glycol diacrylate, polyethylene glycols diacrylate, polybutylene glycol diacrylate, 2,2- dimethylpropane-1,3-diol diacrylate, 3-methylpentanediol diacrylate, 1,2- bisacryloyloxyhexane, 1,9-nonamethylene diacrylate, 1,1'-[(octahydro-4,7- methano-1H-indene-5,-diyl)bis(methylene)] ester 2-propenoic acid, 2,2- bis(4-acryloyloxypolyethylene glycol phenyl)propane,α,α'-[(1- methylethylidene)di-4,1-phenylene]bis[ω-[(1-oxo-2-propenyl)oxy]- poly[oxy(methyl-1,2-ethanediyl)], 2,2-dimethyl-3-acryloyloxypropyl 2,2- dimethyl-3-acryloyloxypropionate, 1-methacryloyloxy-3-acryloyloxy-2- propanol, 1,1,1-tri(acryloyloxymethyl)propane, pentaerythritol triacrylate, 1, 1'-[2,2-bis[[(1-oxo-2-propen-1-yl)oxy]methyl]-1,3-propanediyl] ester 2- propenoic acid, 2-[[3-[(1-oxo-2-propenyl)oxy]-2,2-bis[[(1-oxo-2- propenyl)oxy]methyl]propoxy]methyl]-2-[[(1-oxo-2-propenyl)oxy]methyl]- 1,3-propanediyl ester 2-propenoic acid; glycidyl methacrylate; dimethacrylate such as 1,2-bis(methacryloyloxy)ethane, diethylene glycol dimethacrylate, 1,2-bis[2-(methacryloyloxy)ethoxy]ethane,α-(2-methyl-1- oxo-2-propenyl)-ω-[(2-methyl-1-oxo-2-propenyl)oxy]-poly(oxy-1,2- ethanediyl), 1,4-butylene glycol dimethacrylate, 2,2-dimethylpropane-1,3- diyl bis(2-methylacrylate), 1,6-hexamethylene glycol dimethacrylate, 1,9- nonanediol dimethacrylate, 1,3-di(methacryloyloxy)-2-hydroxypropane, 1- methacryloyloxy-3-acryloyloxy-2-propanol, 2,2-bis(4- methacryloxypolyethoxyphenyl)propane, 1,1,1-trimethylolpropane trimethacrylate; styrene monomer such as, 2-bromostyrene, 3- bromostyrene, 4-bromostyrene, 2-chlorostyrene, 3-chlorostyrene, 4- chlorostyrene, 2-(trifluoromethyl)styrene, 3-(trifluoromethyl)styrene, 4- (trifluoromethyl)styrene, 2,4-dimethylstyrene, 2,5-dimethylstyrene, 2,4,6- trimethylstyrene; styrene derivative monomer such as 4-vinylbenzoic acid, 4-(1-methylethenyl)benzoic acid; and wherein said 2^nd polymer precursor is different from the 1^st polymer precursor, preferably said 2^nd polymer precursor is a styrene monomer, even more preferably said 1^st polymer precursor is 4-vinylbenzoic acid and the 2^nd polymer precursor is a styrene monomer. 12. The method of any one of embodiments 1 to 11, wherein the 2^nd solvent is an organic solvent, preferably said organic solvent is selected from one or more members of the group consisting of alcohols including primary alcohol having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 2 to 20 carbon atoms such as methanol, ethanol, isopropyl alcohol, butyl alcohol, 1-pentanol, tetrahydrofurfuryl alcohol, 1- hexanol, 1-heptanol, 1-octanol, 1-nonanol, 1-decanol (boiling point (^oC): 9.6), 1-undecanol (14), 1-dodecanol (26), 1-tridecanol (32), 1-tetradecanol (40), 1-pentadecanol (46), 1-hexadecanol (55), 1-heptadecanol (55), 1- octadecyl alcohol, 1-nonadecanol (64), 1-eicosanol (67); secondary alcohol having 3 to 40, preferably 3 to 25, more preferably 3 to 20 (or, is 20 enough?) carbon atoms such as 2-propanol, 1-methoxy-2-propanol, 2- butanol, 2-pentanol, 2-hexanol, 2-heptanol, cyclohexanol and tertiary alcohol having 4 to 40 carbon atoms, preferably 4 to 25 carbon atoms, more preferably 4 to 20 carbon atoms such as tert-butyl alcohol, 2-methyl- 2-pentanol, 3-methyl-3-pentanol; diol having 2 to 10 carbon atoms such as ethylene glycol, 1,3-propanediol, propylene glycol, 1,4-butanediol, 1,5- pentanediol, 1,6-hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9- nonanediol, 1,10-decanediol, 1,4-cyclohexanedimethanol; heteroaromatic alcohol such as furfuryl alcohol, (5-methyl-2-furyl)methanol, 1-(2- furyl)ethan-1-ol, 2,5-furandimethanol, 2-thiophemethanol, 2- thiopheethanol; ketones such as (acetone: BP 56.5℃. Thus, it can be used only in combination of one or more of other solvent), ethyl methyl ketone, diethyl ketone, methyl propyl ketone, methyl isobutyl ketone, cyclohexanone, isophorone, acetophenone; cycloalkane having carbon atoms 6 to 12 such as cyclohexane, methylcyclohexane, 1,1- dimethylcyclohexane, 1,2-dimethylcyclohexane, 1,3- dimethylcyclohecxane, 1,4-dimethylcyclohexane, 1,3,5- trimethylcyclohexane, 1-ethyl-4-methylcyclohexane, cycloheptane, cyclooctane, cyclononane, and cyclodecane; ethers such as tetrahydrofuran, 1,3-dimethoxyethane, 1,2-dimethoxypropane, 1,3- dimethoxypropane, 2,2-dimethoxypropane, 2,2-diethoxypropane, diethylene glycol ethyl ether, diethylene glycol diethyl ether, diethylene glycol propyl ether, diethylene glycol dipropyl ether, diethylene glycol butyl ether, diethylene glycol dibutyl ether, di(propylene glycol) methyl ether, di(propylene glycol) dimethyl ether, di(propylene glycol) propyl ether, 1,2- dimethoxycyclohexane, 1-methoxy-4-methylcyclohexane, 1,3-dioxane, 1,4-dioxane, poly(ethylene glycol) tetrahydrofurfuryl ether, tetrahydrofurfuryl alcohol polyethylerene glycol ether, tetraglycol, ethyl tetrahydrofurfuryl ether; esters such as methyl acetate, ethyl acetate, isoamyl acetate, butyl acetae, n-butyl acetate, sec-buyl acetate, isobutyl acetate, propyl acetate, isopropyl acetate, amyl acetate, pentyl acetate, isopentyl acetate, 2-ethoxyethyl acetate, hexyl acetate, cyclohexyl acetate, heptyl acetate, lauryl acetate, dodecyl acetate, ethyl 2-(benzyloxy)acetate, benzyl acetate, phenyl acetate, 4-tert-pentylcyclohexyl acetate, 1,2- diacetoxycyclohexane, 1,3-diacetoxycyclohexane, 1,3,5- triacetoxycyclohexane, tetrahydrofurfuryl acetate, tetrahydrofurfuryl butyrate, dimethyl carbonate, diethyl carbonate, dethylene carbonate, propylene carbonate, ethylene carbonate, diallyl carbonate, dipropyl carbonate, dibenzyl carbonate; amide such as N,N-dimethylacetamide, N,N-dimethylformamide. 13．The method of any one of embodiment 1 to 12, wherein the inorganic phosphor contains one or more of elements selected from the group consisting of alkali metal elements, alkaline metal elements, phosphorous atom, boron atom and sulfur atom, preferably said alkali metal element is Li, Na, Ka or a combination of any of these, and said alkaline metal element is Be, Mg, Ca, Sr, Ba or a combination of any of these. 14. The method of embodiment 13, wherein the inorganic phosphor has a peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably in the range from 600 to 1500 nm, more preferably in the range from 650 to 1000 nm, even more preferably in the range from 650 to 800 nm, furthermore preferably in the range from 650 to 750 nm, much more preferably it is from 660 nm to 730 nm, the most preferably from 670 nm to 710nm, and / or at least one inorganic phosphor having a peak wavelength of light emitted from the inorganic phosphor in the range of 500 nm or less, preferably in the range from 250 nm to 500 nm, more preferably in the range from 300 nm to 500 nm, even more preferably in the range from 350 nm to 500 nm, furthermore preferably in the range from 400 nm to 500nm, much more preferably in the range from 420 nm to 480 nm, the most preferably in the rage from 430 nm to 460 nm, and / or at least one inorganic phosphor having a first peak wavelength of light emitted from the inorganic phosphor in the range of 500nm or less, and a second peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 250nm to 500nm, and the second peak light emission wavelength is in the range from 600 nm to 1500 nm, more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 300nm to 500nm, and the second peak light emission wavelength is in the range from 600 nm to 1000 nm, even more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 350nm to 500nm, and the second peak light emission wavelength is in the range from 650 nm to 800 nm, furthermore preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 400nm to 500nm, and the second peak light emission wavelength is in the range from 650 nm to 750 nm, much more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 420 nm to 480 nm, and the second peak light emission wavelength is in the range from 660 nm to 740 nm, the most preferably the first peak wavelength of light emitted from the inorganic phosphor is in the rage from 430 nm to 460 nm and the second peak wavelength of light emitted from the inorganic phosphor is in the range from 660 nm to 710 nm. 15. The method of embodiment 13 or 14, the phosphor is a nontoxic phosphor, preferably it is an edible phosphor. 16. The method of any one of embodiments 13 to 15, wherein said inorganic phosphor is selected from the group consisting of metal-oxide phosphors, silicate and halide phosphors, phosphate phosphors, borate and borosilicate phosphors, aluminate, gallate and alumosilicate phosphors, sulfate, sulfide, selenide and telluride phosphors, nitride and oxynitride phosphors and SiAlON phosphors, preferably, it is a metal oxide phosphor, more preferably it is a Mn activated metal oxide phosphor or a Mn activated phosphate based phosphor, even more preferably it is a Mn activated metal oxide phosphor. 17. The method of any one of embodiments 13 to 16, wherein the inorganic phosphor is selected from one or more of Mn activated metal oxide phosphors or Mn activated phosphate based phosphors represented by one of the following formulae (I) to (XII); A¹xB1 yOz:Mn⁴⁺ - (I) wherein A¹ is a divalent cation selected from one or more members of the group consisting of Mg²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Mn²⁺, Ce²⁺ and Sn²⁺, B¹ is a tetravalent cation and is Ti³⁺, Zr³⁺ or a combination of these; x≧1; y≧0; (x+2y) = z, preferably A¹ is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Zn²⁺, B¹ is Ti³⁺, Zr³⁺ or a combination of Ti³⁺ and Zr³⁺, x is 2, y is 1, z is 4, more preferably formula (I) is Mg2TiO4:Mn⁴⁺; X_aZ_bO_c:Mn⁴⁺ - (II) wherein X is a monovalent cation and is selected from one or more members of the group consisting of Li⁺, Na⁺, K⁺, Ag⁺ and Cu⁺; Z is a tetravalent cation and is selected from the group consisting of Ti³⁺ and Zr³⁺; b≧0; a≧1; (0.5a+2b) = c, preferably X is Li⁺, Na⁺ or a combination of these, Z is Ti³⁺, Zr³⁺ or a combination of these a is 2, b is 1, c is 3, more preferably formula (II) is Li2TiO3:Mn⁴⁺;

wherein E is a divalent cation selected from Ca²⁺, Sr²⁺, Ba²⁺ or a combination of any of these, A² is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Mn²⁺, Ce²⁺ and Sn²⁺, B² is a tetravalent cation and is Al³⁺, Ga³⁺ or a combination of these; preferably A² is Mg²⁺, Zn²⁺ or a combination of Mg²⁺ and Zn²⁺, B¹ is Ti³⁺, Zr³⁺ or a combination of Ti³⁺ and Zr³, more preferably formula (III) is (Ca, Sr, Ba)14(Al, Ga)10(Zn, Mg)6O35:Mn⁴⁺, even more preferably it is Ca14Al10Zn6O35:Mn⁴⁺; GjJkLlOm:Mn⁴⁺ - (IV) wherein G is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Mn²⁺, Ce²⁺ and Sn²⁺; J is a trivalent cation and is selected from the group consisting of Y³⁺, Al³⁺, Ga³⁺, Lu³⁺, Sc³⁺, La³⁺ and In³⁺; L is a trivalent cation and is selected from the group consisting of Al³⁺, Ga³⁺, Lu³⁺, Sc³⁺, La³⁺ and In³⁺; l≧0; k≧0; j≧0; (j+1.5k+1.5l) = m, preferably G is selected from Ca²⁺, Sr²⁺, Ba²⁺ or a combination of any of these, J is Y³⁺, Lu³⁺ or a combination of these, L is Al³⁺, Gd³⁺ or a combination of these, j is 1, k is 1, l is 1, m is 4, more preferably it is CaYAlO₄:Mn⁴⁺; MnQoRpOq:Eu,Mn - (V) wherein M and Q are divalent cations and are, independently or dependently of each other, selected from one or more members of the group consisting of Mg²⁺, Sr²⁺, Ba²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Mn²⁺, Ce²⁺; R is Ge³⁺, Si³⁺, or a combination of these; n≧1; o≧0; p≧1; (n+o+2.0p) = q, preferably M is Ca²⁺, Q is Mg²⁺, Ca²⁺, Zn²⁺ or a combination of any of these, R is Si³⁺, n is 1, o is 1, p is 2, q is 6, more preferably it is CaMgSi2O6:Eu²⁺, Mn²⁺; M² _nQ2_oR2_pO2_q:Eu, - (V`) wherein M² is a divalent cation selected from Ca²⁺, Sr²⁺, Ba²⁺ or a combination of any of these, Q is a divalent cation selected from one or more members of the group consisting of Mg²⁺, Sr²⁺, Ba²⁺, Zn²⁺, Cu²⁺, Co²⁺, Ni²⁺, Fe²⁺, Ca²⁺, Mn²⁺, Ce²⁺; R is Ge³⁺ and Si³⁺; n≧1; o≧0; p≧1; (n+o+2.0p) = q, preferably M is Ca²⁺, Q is Mg²⁺, Ca²⁺, Zn²⁺ or a combination of any of these, R is Si³⁺, n is 1, 2 or 3, o is 1, p is 2, q is 6 when n is 1, q is 7 when n is 2, q is 8 when n is 3, more preferably it is (Ca, Sr, Ba)MgSi₂O₆:Eu²⁺, e.g. CaMgSi₂O₆:Eu²⁺, (Ca, Sr, Ba)₂MgSi₂O₇:Eu²⁺, e.g. Ca₂MgSi₂O₇:Eu²⁺ or (Ca, Sr, Ba)₃MgSi₂O₈:Eu²⁺, e.g. Ca3MgSi2O8:Eu²⁺; In some embodiments, as a metal oxide phosphor, another new light emitting phosphor represented by following general formula (VI), (VI´), (VII), (VII´) (VIII) which can exhibit deep red-light emission, preferably with a sharp emission around 700 nm under excitation light of 300 to 400 nm, which are suitable to promote plant growth, can be used preferably. A³5P6O25:Mn (VI) wherein the component “A³” stands for at least one cation selected from the group consisting of Si⁴⁺, Ge⁴⁺, Sn⁴⁺, Ti⁴⁺ and Zr⁴⁺, preferably Mn is Mn⁴⁺, more preferably said phosphor is Si₅P₆O₂₅:Mn⁴⁺; (A³1-xMnx)5P6O25 (VI’) wherein the component A³ stands for at least one cation selected from the group consisting of Si⁴⁺, Ge⁴⁺, Sn⁴⁺, Ti⁴⁺ and Zr⁴⁺, preferably A³ is Si⁴⁺; 0<x≤0.5, preferably 0.05<x≤0.4, preferbly Mn is Mn4⁺; XO6 (VII) wherein X=(A⁴)₂B²(C¹ _(1-x)Mn⁴⁺ _5/4x), or X=A⁵B³C²(D¹ _(1-y)Mn⁴⁺ _1.5y), 0 < x ≤ 0.5, 0 < y ≤ 0.5, A⁴, B², C¹, A⁵, B³, C² and D¹ are independently same to below formula (VII´); A⁴2B³C¹O6:Mn (VII´) wherein A⁴ = at least one cation selected from the group consisting of Mg²⁺, Ca²⁺, Sr²⁺ and Ba²⁺ Zn²⁺, preferably A⁴ is Ba²⁺; B³ = at least one cation selected from the group consisting of Sc³⁺, Y³⁺, La³⁺, Ce³⁺, B³⁺, Al³⁺ and Ga³⁺, preferably B³ is Y³⁺; C¹ = at least one cation selected from the group consisting of V⁵⁺, Nb⁵⁺ and Ta⁵⁺, preferably C¹ is Ta⁵⁺; preferably Mn is Mn⁴⁺, more preferably said phosphor is Ba2YTaO6:Mn⁴⁺; A⁵B⁴C²D¹O6:Mn (VIII) wherein A⁵ = at least one cation selected from the group consisting of Li⁺, Na⁺, K⁺ _, Rb⁺ and Cs⁺, preferably A⁵ is Na⁺; B⁴ = at least one cation selected from the group consisting of Sc³⁺, La³⁺, Ce³⁺, B³⁺, Al³⁺ and Ga³⁺, preferably B⁴ is La³⁺; C² = at least one cation selected from the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺, preferably C² is Mg²⁺; D¹ = at least one cation selected from the group consisting of Mo⁶⁺ and W⁶⁺, preferably D¹ is W⁶⁺, preferably Mn is Mn⁴⁺, more preferably said phosphor is more preferably the phosphor is NaLaMgWO₆:Mn⁴⁺; A⁶aB5 bC3 cOz:X (IX) wherein A⁶ is at least one cation selected from the group consisting of is a trivalent cation and is selected from one or more members of the group consisting of Sc³⁺, Y³⁺, La³⁺, Ce³⁺, Pr³⁺, Nd³⁺, Pm³⁺, Sm³⁺, Eu³⁺, Gd³⁺, Tb³⁺, Dy³⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Lu³⁺, Ti³⁺, V³⁺, Cr³⁺, Mn³⁺, Fe³⁺, Co³⁺, Ni³⁺, Cu³⁺, Nb³⁺, Mo³⁺, Ru³⁺, Rh³⁺, Pd³⁺, Ag³⁺, Ta³⁺, W³⁺, Ir³⁺, Au³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, Tl³⁺, P³⁺, As³⁺, Sb³⁺ and Bi³⁺; B⁵ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt²⁺, Zn²⁺, Cd²⁺, Hg²⁺, Ge²⁺, Sn²⁺ and Pb²⁺, C³ is a tetravalent cation and is selected from one or more members of the group consisting of Ce⁴⁺, Pr⁴⁺, Nd⁴⁺, Tb⁴⁺, Dy⁴⁺, Ti⁴⁺, V⁴⁺, Cr⁴⁺, Mn⁴⁺, Fe⁴⁺, Co⁴⁺, Ni⁴⁺, Zr⁴⁺, Nb⁴⁺, Mo⁴⁺, Tc⁴⁺, Ru⁴⁺, Rh⁴⁺, Pd⁴⁺, Hf⁴⁺, Ta⁴⁺, W⁴⁺, Re⁴⁺, Os⁴⁺, Ir⁴⁺, Pt⁴⁺, Si⁴⁺, Ge⁴⁺, Sn⁴⁺, Pb⁴⁺, S⁴⁺, Se⁴⁺, Te⁴⁺ and Po⁴⁺, preferably A is Sc³⁺, Y³⁺, La³⁺, Lu³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, P³⁺, Bi³⁺ or a combination of any of these; B is Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺ or a combination of any of these; C is Ce⁴⁺, Ti⁴⁺, Zr⁴⁺, Hf⁴⁺, Si⁴⁺, Ge⁴⁺, Sn⁴⁺ or a combination of any of these; X is Ce³⁺, Eu³⁺, Eu²⁺, Tb³⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺ or a combination of any of these, preferably X is Mn⁴⁺; a is 2, b is 1, c is 1, z is 6; more preferably it is Y₂MgTiO₆:Mn⁴⁺; A⁷ _aB6_bO_z:X -(X) wherein A⁷ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt²⁺, Zn²⁺, Cd²⁺, Hg²⁺, Ge²⁺, Sn²⁺ and Pb²⁺, B⁶ is a trivalent cation and is selected from one or more members of the group consisting of Sc³⁺, Y³⁺, La³⁺, Ce³⁺, Pr³⁺, Nd³⁺, Pm³⁺, Sm³⁺, Eu³⁺, Gd³⁺, Tb³⁺, Dy³⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Lu³⁺, Ti³⁺, V³⁺, Cr³⁺, Mn³⁺, Fe³⁺, Co³⁺, Ni³⁺, Cu³⁺, Nb³⁺, Mo³⁺, Ru³⁺, Rh³⁺, Pd³⁺, Ag³⁺, Ta³⁺, W³⁺, Ir³⁺, Au³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, Tl³⁺, P³⁺, As³⁺, Sb³⁺ and Bi³⁺; X is a luminescent ion and is selected from one or more members of the group consisting of Ce³⁺, Pr³⁺, Nd³⁺, Nd⁴⁺, Pm³⁺, Sm³⁺, Eu³⁺, Eu²⁺, Gd³⁺, Tb³⁺, Dy²⁺, Dy³⁺, Dy⁴⁺, Ho²⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Yb²⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe^3+, preferably X is Mn⁴⁺; a≧0; b≧0; c≧0; z≧0; (a+1.5b) = z; preferably A⁷ is Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺or a combination of any of these; B⁶ is Sc³⁺, Y³⁺, La³⁺, Lu³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, P³⁺, Bi³⁺, or a combination of any of these; X is Ce³⁺, Eu³⁺, Eu²⁺, Tb³⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺, or a combination of any of these; a is 4, b is 14, z is 25; more preferably the formula is Sr₄Al₁₄O₂₅:Mn⁴⁺; A⁸ 7 4 aB bC cOz:X (XI) wherein A⁸ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt²⁺, Zn²⁺, Cd²⁺, Hg²⁺, Ge²⁺, Sn²⁺ and Pb²⁺, B⁷ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt²⁺, Zn²⁺, Cd²⁺, Hg²⁺, Ge²⁺, Sn²⁺ and Pb²⁺, C⁴ is a trivalent cation and is selected from one or more members of the group consisting of Sc³⁺, Y³⁺, La³⁺, Ce³⁺, Pr³⁺, Nd³⁺, Pm³⁺, Sm³⁺, Eu³⁺, Gd³⁺, Tb³⁺, Dy³⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Lu³⁺, Ti³⁺, V³⁺, Cr³⁺, Mn³⁺, Fe³⁺, Co³⁺, Ni³⁺, Cu³⁺, Nb³⁺, Mo³⁺, Ru³⁺, Rh³⁺, Pd³⁺, Ag³⁺, Ta³⁺, W³⁺, Ir³⁺, Au³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, Tl³⁺, P³⁺, As³⁺, Sb³⁺ and Bi³⁺; X is a luminescent ion and is selected from one or more members of the group consisting of Ce³⁺, Pr³⁺, Nd³⁺, Nd⁴⁺, Pm³⁺, Sm³⁺, Eu³⁺, Eu²⁺, Gd³⁺, Tb³⁺, Dy²⁺, Dy³⁺, Dy⁴⁺, Ho²⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Yb²⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺, a≧0; b≧0; c≧0; z≧0; (a+b+1.5c) = z; A⁸ is Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺, or a combination of any of these; B⁷ is Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺ and Zn²⁺, or a combination of any of these; C⁴ is Sc³⁺, Y³⁺, La³⁺, Lu³⁺, B³⁺, Al³⁺, Ga³⁺, In³⁺, P³⁺, Bi³⁺, or a combination of any of these; X is Ce³⁺, Eu³⁺, Eu²⁺, Tb³⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺, or a combination of any of these, preferably X is Eu²⁺; a is 1, b is 1, c is 10, z is 17; more preferably the formula is BaMgAl10O17:Eu²⁺; A⁹a(B8 bOz)nC5 c:X (XII) wherein A⁹ is a divalent cation and is selected from one or more members of the group consisting of Mg²⁺, Ca²⁺, Sr²⁺, Ba²⁺, Nd²⁺, Sm²⁺, Eu²⁺, Dy²⁺, Ho²⁺, Tm²⁺, Yb²⁺, Ti²⁺, V²⁺, Cr²⁺, Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mo²⁺, Pd²⁺, Ag²⁺, W²⁺, Pt, ²⁺ Zn²⁺, Cd²⁺, H²⁺g, Ge²⁺, Sn²⁺ and Pb²⁺; B⁸ is a pentavalent cation and is selected from one or more members of the group consisting of V⁵⁺, Cr⁵⁺, Mn⁵⁺, Co⁵⁺, Nb⁵⁺, Mo⁵⁺, Tc⁵⁺, Ru⁵⁺, Rh⁵⁺, Ta⁵⁺, W⁵⁺, Re⁵⁺, Os⁵⁺, Ir⁵⁺, Pt⁵⁺, Au⁵⁺, P⁵⁺, As⁵⁺, Sb⁵⁺ and Bi⁵⁺; C⁵ is at monovalent anion and is selected from one or more members of the group consisting of F-, Cl-, Br- and I-; X is a luminescent ion and is selected from one or more members of the group consisting of Ce³⁺, Pr³⁺, Nd³⁺, Nd⁴⁺, Pm³⁺, Sm³⁺, Eu³⁺, Eu²⁺, Gd³⁺, Tb³⁺, Dy²⁺, Dy³⁺, Dy⁴⁺, Ho²⁺, Ho³⁺, Er³⁺, Tm³⁺, Yb³⁺, Yb²⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺; a≧0; b≧0; c≧0; n≧0, z≧0; (a+2.5b*n) = (z*n+0.5c); preferably, A⁹ is Mg, Ca, Sr, Ba and Zn, or a combination of any of these, B⁸ is V, Nb, Mo, Ta, W, P, Bi, or a combination of any of these, X is Ce³⁺, Eu³⁺, Eu²⁺, Tb³⁺, Cr³⁺, Mn²⁺, Mn⁴⁺ and Fe³⁺, or a combination of any of these, preferably X is Eu²⁺; C⁵ is F-, Cl-, or a combination of any of these; a is 5, b is 1, c is 1, n is 3 z is 4; more preferably the formula is (Ca,Sr,Ba)5(PO4)3Cl:Eu²⁺; preferably said inorganic phosphor is an inorganic phosphor represented by formula (III), (VI), (VI´), (VII), (VII´) or (XII); preferably said inorganic phosphor is selected from one or more members of the group consisting of (Mg,Zn)Ga2O4:Cr³⁺, Ca2(Ga,Al)NbO6:Cr³⁺, LiInSi₂O₆:Cr³⁺, Na₃AlF₆:Cr³⁺, Mg₃Ga₂GeO₈ :Cr³⁺, SrMgAl₁₀O₁₇:Cr³⁺, Na2TiSiO5:Cr³⁺, MgAl2O4:Cr³⁺, Mg3Ga2GeO8:Cr³⁺, Zn3Ga2Ge2O10:Cr³⁺, Sr2MgWO6:Cr³⁺, Li2ZnGe3O8:Cr³⁺, Mg4Ga4Ge3O16:Cr³⁺, La2MgGeO6:Cr³⁺, Na2ZnP2O7:Cr³⁺, Li(Al,Ga)5O8:Cr³⁺, Zn3Ga2GeO8:Cr³⁺, Ca2MgWO6:Cr³⁺, CaAl₁₂O₁₉:Cr³⁺, La₃Ga₅GeO₁₄:Cr³⁺, CaY₂(Ga,Sc)₂Al₂SiO₁₂:Mn⁴⁺, Y2Mg3Ge3O12:Mn⁴⁺, (Sr,Ba)2MgGe2O7:Mn⁴⁺, LaScO3:Mn⁴⁺, SrLa2Sc2O7:Mn⁴⁺, SrLaScO4:Mn⁴⁺, CaYAlO4:Mn⁴⁺, SrLaAlO4:Mn⁴⁺, LaGaO₃:Mn⁴⁺, (La,Gd)₂(Mg,Zn)TiO₆:Mn⁴⁺, YMgTiO₆:Mn⁴⁺, (Ca,Sr,Ba)TiO3:Mn⁴⁺, PbTiO3:Mn⁴⁺, CaZrO3:Mn⁴⁺, La2(Mg,Zn)GeO6:Mn⁴⁺, (Ca,Sr,Ba)2(Y,La,Gd)(Nb,Ta,Sb)O6:Mn⁴⁺, (Ca,Sr,Ba)Mg(Y,La,Gd)(Nb,Ta,Sb)O6:Mn⁴⁺, LiLa2(Nb,Ta,Sb)O6:Mn⁴⁺, Sr₂ZnMoO₆:Mn⁴⁺, (Li,Na,K)LaMgWO₆:Mn⁴⁺, (Ca,Sr,Ba)Mg₂La₂WO₁₂:Mn⁴⁺, (Ca,Sr,Ba)2MgLa2WO12:Mn⁴⁺, (Ca,Sr,Ba)3La2WO12:Mn⁴⁺, (Li,Na,K)(La,Gd)MgTe₆:Mn⁴⁺, Sr₂ZnWO₆:Mn⁴⁺, (Y,Gd,Lu)₂(Ti,Sn)₂O₇:Mn⁴⁺, LiGaGe₂O₆:Mn⁴⁺, LiAlO₂:Mn⁴⁺, Li₂TiO₃:Mn⁴⁺, Li₂MgZrO₄:Mn⁴⁺, (Ca,Sr,Ba)Al12O19:Mn⁴⁺, (Ca,Sr,Ba)MgAl10O17:Mn⁴⁺, Na2MgAl10O17:Mn⁴⁺, CaMg2Al16O27:Mn⁴⁺, Sr2MgAl22O36:Mn⁴⁺, Ca2Mg2Al28O46:Mn⁴⁺, CaGa₂O₄:Mn⁴⁺, ZnGa₂O₄:Mn⁴⁺, BaMg₆Ti₆O₁₉:Mn⁴⁺, Li₂MgTi₃O₈:Mn⁴⁺, Mg₃Al₂TiO₈:Mn⁴⁺, (Mg,Zn)₂TiO₄:Mn⁴⁺, LiGaTiO₄:Mn⁴⁺, Mg₂GeO₄:Mn⁴⁺, Mg₄TiSnO₈:Mn⁴⁺, MgB₂O₄:Mn⁴⁺, CaAl₂O₄:Mn⁴⁺, (Ca,Sr)Al₄O₇:Mn⁴⁺, SrAl4O7:Mn⁴⁺, Sr2Al6O11:Mn⁴⁺, Sr4Al14O25:Mn⁴⁺, Ca14Al10Zn6O35:Mn⁴⁺, Ca14Al10Zn6O35:Dy³⁺, Mn⁴⁺, Ca14Al10Zn6O35:Dy³⁺,Mn⁴⁺,Na⁺ , Ca3Al4ZnO10:Mn⁴⁺, Ca3Y(AlO)3(BO3)4:Mn⁴⁺, Li5AlO4:Mn⁴⁺, Li(Al,Ga)₅O₈:Mn⁴⁺, Sr₃SiAl₁₀O₂₀:Mn⁴⁺, MgTiO₃:Mn⁴⁺, MgAl₂Si₂O₈:Mn⁴⁺, Na2ZnSiO4:Mn⁴⁺, Mg2Al4Si5O18:Mn⁴⁺, Sr2Ge7SiO18:Mn⁴⁺, 2MgO·GeO2:Mn⁴⁺, 2MgO·GeO2·MgF2:Mn⁴⁺, 3.5MgO·0.5MgF2·GeO2:Mn⁴⁺, 4MgO·GeO₂:Mn⁴⁺, Ba₂GeO₄:Mn⁴⁺, (Li,Na,K)₂MgGeO₄:Mn⁴⁺, Sr2GeO4:Mn⁴⁺, Zn2GeO4:Mn⁴⁺, Ba2Ge4O9:Mn⁴⁺, Ba2TiGe2O8:Mn⁴⁺, BaAl2Ge2O8:Mn⁴⁺, BaGe4O9:Mn⁴⁺, K2BaGe8O18:Mn⁴⁺, K2Ge4O9:Mn⁴⁺, Li₃RbGe₈O₁₈:Mn⁴⁺, (Li,Na,K,Rb)₂Ge₄O₉:Mn⁴⁺, SrGe₄O₉:Mn⁴⁺, La₃GaGe₅O₁₆:Mn⁴⁺, Mg₁₄Ge₅O₂₄:Mn⁴⁺, Mg₂₈Ge₁₀O₄₈:Mn⁴⁺, Mg3Ga2GeO8:Mn⁴⁺, Mg4GeO6:Mn⁴⁺, Mg6ZnGa2GeO12:Mn⁴⁺, Mg₇Ga₂GeO₁₂:Mn⁴⁺, Li₂Mg₃SnO₆:Mn⁴⁺, Li₂SnO₃:Mn⁴⁺, Li₂ZnSn₂O₆:Mn⁴⁺, LiSr3SbO6:Mn⁴⁺, NaSr3SbO6:Mn⁴⁺, Li2Ge4O9:Mn⁴⁺, Li3Mg2NbO6:Mn⁴⁺, Li5La3Ta2O12:Mn⁴⁺, Zn2P2O7:Mn⁴⁺, Sr9Y2W4O24:Mn⁴⁺,(Ca,Sr,Ba)3MgSi2O8:Mn⁴⁺, (Ca,Sr,Ba)2MgSi2O7:Mn⁴⁺, (Ca,Sr,Ba)MgSi₂O₆:Mn⁴⁺, Mg₈Ge₂O₁₁F₂:Mn4+ _, Si₅P₆O₂₅:Mn4+ , Ba2YTaO6:Mn⁴⁺, (Na,K,Rb)2(Ti,Si,Ge,Sn)F6:Mn⁴⁺, (Na,K,Rb)3(Ti,Si,Ge,Sn)F7:Mn⁴⁺, (Zn,Ba)2(Ti,Si,Ge,Sn)F6:Mn⁴⁺, K₂NaAlF₆:Mn⁴⁺, AlN:Mn⁴⁺, GaN:Mn⁴⁺, LiAlO₂:Fe³⁺, LiAl₅O₈:Fe³⁺, Al4LiF0.1O6.45:Fe³⁺, SrAl12O19:Fe³⁺, NaAlSiO4:Fe³⁺, γ-Ca2SiO4:Ce³⁺, Ca3Sc2Si3O12:Ce³⁺, Li4SrCa(SiO4)2:Ce³⁺, Ca(Y,Pr)Al3O7:Ce³⁺, (La,Gd)Sr2AlO5:Ce³⁺, Sr3Al2O6:Ce³⁺, Sr6Y2Al4O15:Ce³⁺, (Li,Na)(Ca,Sr,Ba)BO₃:Ce³⁺, NaSr₄(BO)₃:Ce³⁺, Ca₂LaZr₂Ga₃O₁₂:Ce³⁺, GaGeO4:Ce³⁺, Ca3(Lu,Y)2Ge3O12:Ce³⁺, Sr3Sc4O9:Ce³⁺, CaSc2O4:Ce³⁺, (Ca,Sr)₃B₂O₆:Ce³⁺, CaYAlO₄:Ce³⁺, (Ca,Sr)AlSiN₃:Ce³⁺, (Ca,Sr,Ba)₂Si₅N₈:Ce³⁺, CaSiN₂:Ce³⁺, SrAlSi₄N₇:Ce³⁺, La₃Si₆N₁₁:Ce³⁺, LaSi3N5:Ce³⁺, YSi3N5:Ce³⁺, YSiO2N:Ce³⁺, Y2Si3O3N4:Ce³⁺, Y4Si2O7N2:Ce³⁺, Ba2SiS4:Ce³⁺, CaLaGa3S6O:Ce³⁺, CaZnOS:Ce³⁺, YCaF₄S₂:Ce³⁺, (Sr,Ba)₂SiO₄:Eu²⁺, (Ca,Sr,Ba)SiO₃:Eu²⁺, (Sr,Ba)₃SiO₅:Eu²⁺, Ca₃Si₂O₇:Eu²⁺, (Ca,Sr,Ba)(Mg,Zn)Si₂O₆:Eu²⁺, (Ca,Sr,Ba)₂(Mg,Zn)Si₂O₇:Eu²⁺, (Ca,Sr,Ba)₃(Mg,Zn)Si₂O₈:Eu²⁺, α'L- Ca2SiO4:Eu²⁺, α'-CaSrSiO4:Eu²⁺, Li2SrSiO4:Eu²⁺, Sr2MgSiO5:Eu²⁺, Ca2Y2Si2O9:Eu²⁺, K4CaSi3O9:Eu²⁺, Ca2Al2SiO7:Eu²⁺, NaAlSiO4:Eu²⁺, Sr2Al2SiO7:Eu²⁺, KBaScSi3O9:Eu²⁺, NaBaScSi2O7:Eu²⁺, RbBaScSi₃O₉:Eu²⁺, (Sr,Ba)AlO₂:Eu²⁺, (Sr,Ba)MgAl₁₀O₁₇:Eu²⁺, Sr2ScAlO5:Eu²⁺, Ca3(PO4)2:Eu²⁺, Ba2Mg(PO4)2:Eu²⁺, (Li,Na,K,Cs)(Mg,Ca,Sr,Ba)PO4:Eu²⁺, (Ca,Sr,Ba)4(PO4)2O:Eu²⁺, (Sr,Ba)₆BP₅O₂₀:Eu²⁺, Ba₇Zr(PO₄)₂:Eu²⁺, Rb₂CaP₂O₇:Eu²⁺, Sr3Gd(PO4)3:Eu²⁺, Sr8MgSc(PO4)7:Eu²⁺, Ca7Si2P2O16:Eu²⁺, (Ca,Sr,Ba)2P2O7:Eu²⁺, Mg3Ca3(PO4)4:Eu²⁺, NaMgPO4:Eu²⁺(olivine), Mg₃(PO₄)₂:Eu²⁺, Mg₃Ca₃(PO₄)₄:Eu²⁺, Na₃Sc₂(PO₄)₃:Eu²⁺, (Li,Na)(Ca,Sr,Ba)BO₃:Eu²⁺, (Li,Na)(Ca,Sr,Ba)BO₃:Ce³⁺, (Ca,Sr)3B2O6:Eu²⁺, Ca3Y(GaO)3(BO3)4:Ce³⁺, Ba₃Y(BO₃)₃:Ce³⁺,(Ca,Sr,Ba)₅(PO₄)₃Cl:Eu²⁺, (Ca,Sr)AlSiN₃:Eu²⁺, (Ca,Sr,Ba)2Si5N8:Eu²⁺, (Ca,Sr)LiAl3N4:Eu²⁺, (Ca,Sr,Ba)SiN2:Eu²⁺, SrAlSi4N7:Eu²⁺, SrASi6N8:Eu²⁺, Ba5Si11Al7N25:Eu²⁺, BaSi4Al3N9:Eu²⁺, Ba2AlSi5N9:Eu²⁺, BaMg3SiN4:Eu²⁺, (Ca,Sr,Ba)Si2O2N2:Eu²⁺, Ba₃Si₆O₉N₄:Eu²⁺, Ba₃Si₆O₁₂N₂:Eu²⁺, (Ca,Sr)₃Si₂O₄N₂:Eu²⁺, Sr3Si13Al3O2N21:Eu²⁺, Li-α-SiAlON:Eu²⁺, Ca-α-SiAlON:Eu²⁺, Sr-α- SiAlON:Eu²⁺, Y-α-SiAlON:Eu²⁺, β-SiAlON:Eu²⁺, Ba3Ga3N5:Eu²⁺, LaSrSiO₃N:Eu²⁺, SrSi₂S₅:Eu²⁺, (Ca,Sr)S:Eu²⁺, CaLaGa₃S₇:Eu²⁺, (Mg,Ca,Sr,Ba,Zn)2Ga2S5:Eu²⁺, Sr8Al12O24S2:Eu²⁺, (Sr,Ba)4Al2S7:Eu²⁺, CaZnOS:Eu²⁺, KLuS2:Eu²⁺, Sr2ZnS3:Eu²⁺, (Ca,Sr)7(SiO3)6Cl2:Eu²⁺, Ba5SiO4Cl6:Eu²⁺, β-Ca3SiO4Cl2:Eu²⁺, Ca10(Si2O7)3Cl2:Eu²⁺, Ca₈Mg(SiO₄)₄Cl₂:Eu²⁺, Sr_3.5Mg_0.5Si₃O₈Cl₄:Eu²⁺, Sr₃Al₂O₅Cl₂:Eu²⁺, Sr3GdNa(PO4)3F:Eu²⁺, (Ca,Sr,Ba)5(PO4)3Cl:Eu²⁺, Ca2Al3O6F:Eu²⁺, Mg₂SiO₄:Mn²⁺, CaGa₂S₄:Mn²⁺, LiCaBO₃:Ce³⁺,Mn²⁺, Ca₅(PO₄)₃F:Ce³⁺,Mn²⁺, Ca₉Y(PO₄)₇:Ce³⁺,Mn²⁺, NaCaBO₃:Ce³⁺,Mn²⁺, K2(Ca,Sr)P2O4:Ce³⁺,Mn²⁺, MgY4Si3O13:Ce³⁺,Mn²⁺, Mg3Ca3(PO4)4:Ce³⁺,Mn²⁺, CaScAlSiO6:Ce³⁺,Mn²⁺, CaY₄(SiO₄)₃O:Ce³⁺,Mn²⁺, Ca₂Gd₈(SiO₄)₆O₂:Ce³⁺,Mn²⁺, Ca₃Sc₂Si₃O₁₂:Ce³⁺,Mn²⁺, Ca₃Y(GaO)₃(BO₃)₄:Ce³⁺,Mn²⁺, Ca₄Y₆(SiO₄)₆O:Ce³⁺,Mn²⁺, Ba₂Ca(BO₃)₂:Ce³⁺,Mn²⁺, Ba9Lu2Si6O24:Ce³⁺,Mn²⁺, (Ca,Sr,Ba)(Mg,Zn)Si2O6:Eu²⁺,Mn²⁺, (Ca,Sr,Ba)2(Mg,Zn)Si2O7:Eu²⁺,Mn²⁺, (Ca,Sr,Ba)3(Mg,Zn)Si2O8:Eu²⁺,Mn²⁺, Na2CaMg(PO4)2:Eu²⁺,Mn²⁺, KCaY(PO4)2:Eu²⁺,Mn²⁺, Ca-a- sialon:Eu²⁺,Mn²⁺, Ca₃SiO₄Cl₂:Eu²⁺,Mn²⁺, Ca₉Y(PO₄)₇:Eu²⁺,Mn²⁺, Ca9Mg(PO4)6F:Eu²⁺,Mn²⁺, Ca9Gd(PO4)7:Eu²⁺,Mn²⁺, Ca10K(PO4)7:Eu²⁺,Mn²⁺, 12CaO・7Al2O3:Eu²⁺,Mn²⁺, BaMgAl₁₀O₁₇:Eu²⁺,Mn²⁺, SrZnP₂O₇:Eu²⁺,Mn²⁺, SrMgB₆O₁₁:Eu²⁺,Mn²⁺, SrAl₂Si₂O₈:Eu²⁺,Mn²⁺, Sr₂B₂P₂O₁₀:Eu²⁺,Mn²⁺, Sr₃Y(PO₄)₃:Eu²⁺,Mn²⁺ and deep red emitting quantum materials and graphene quantum dots, more preferably it is selected from one or more members of the group consisting of (Ca,Sr,Ba)(Mg,Zn)Si2O6:Eu²⁺,Mn²⁺, (Ca,Sr,Ba)2(Mg,Zn)Si2O7:Eu²⁺,Mn²⁺, (Ca,Sr,Ba)3(Mg,Zn)Si2O8:Eu²⁺,Mn²⁺,(Sr,Ba)4Al2S7:Eu²⁺,(Ca,Sr)S:Eu²⁺,(Ca, Sr,Ba)5(PO4)3Cl:Eu²⁺, NaMgPO4:Eu²⁺(olivine), Ca3(PO4)2:Eu²⁺, Ba₂Mg(PO₄)₂:Eu²⁺, (Li,Na,K,Cs)(Mg,Ca,Sr,Ba)PO₄:Eu²⁺, Ca₃(PO₄)₂:Eu²⁺, Ba2Mg(PO4)2:Eu²⁺,(Sr,Ba)MgAl10O17:Eu²⁺, α'L-Ca2SiO4:Eu²⁺, α'- CaSrSiO4:Eu²⁺, Li2SrSiO4:Eu²⁺,(Sr,Ba)2SiO4:Eu²⁺, (Ca,Sr,Ba)SiO3:Eu²⁺, (Sr,Ba)₃SiO₅:Eu²⁺,(Zn,Ba)₂(Ti,Si,Ge,Sn)F₆:Mn⁴⁺, K₂NaAlF₆:Mn⁴, (Zn,Ba)2(Ti,Si,Ge,Sn)F6:Mn⁴⁺, (Na,K,Rb)2(Ti,Si,Ge,Sn)F6:Mn⁴⁺, (Ca,Sr,Ba)3MgSi2O8:Mn⁴⁺, (Ca,Sr,Ba)2MgSi2O7:Mn⁴⁺, (Ca,Sr,Ba)MgSi₂O₆:Mn⁴⁺, Si₅P₆O₂₅:Mn4+ _, Ba₂YTaO₆:Mn⁴⁺,YMgTiO₆:Mn⁴⁺, (Li,Na,K)LaMgWO₆:Mn⁴⁺, (Ca,Sr,Ba)Mg₂La₂WO₁₂:Mn⁴⁺, Li₂TiO₃:Mn⁴⁺, (Mg,Zn)2TiO4:Mn⁴⁺, Sr4Al14O25:Mn⁴⁺, Ca14Al10Zn6O35:Mn⁴⁺, Ca₁₄Al₁₀Zn₆O₃₅:Dy³⁺ and/or Mn⁴⁺, Ca₁₄Al₁₀Zn₆O₃₅:Dy³⁺,Mn⁴⁺,Na⁺ . 18. A particle of polymer coated inorganic phosphor obtained or obtainable by any one the method of embodiments 1 to 17. 19. A particle comprising an inorganic phosphor and a transparent polymer, wherein said phosphor is at least partially coated by the transparent polymer, preferably it is fully covered by the transparent polymer, preferably it is an organic polymer, more preferably it is selected from one or more member of the group consisting of (meth)acrylate polymers, polystyrenes, polyethylene polyethyleneterephthalate, polyurethane, polyacrylonitrile, epoxy resin derived from glycidyl function on (meth)acrylate monomer, biodegradable polymer such as polylactide, polyglycolide, polyhydroxyalkanoate, polycaproractone. 20. The phosphor of embodiment 19, wherein the inorganic phosphor contains one or more of elements selected from the group consisting of alkali metal elements, alkaline metal elements, and phosphorous atom, preferably said alkali metal element is Li, Na, Ka or a combination of any of these, and said alkaline metal element is Be, Mg, Ca, Sr, Ba or a combination of any of these. 21. Use of the particle of any one of embodiments 18 to 20 in agriculture. 22. Use of the particle of any one of embodiments 18 to 20 in a Light Emitting Diode or in a solar cell. 23. A composition comprising at least one particle of any one of embodiments 18 to 20 and another material. 24. The composition of embodiment 23, wherein said another material is selected from one or more members of the group consisting of matrix materials; light modulating materials such as dyes e.g. yellow dyes, pigments, light luminescent materials incl. organic and inorganic light luminescent materials, e.g. another inorganic phosphors; photo initiators; co-polymerizable monomers; cross linkable monomers; bromine- containing monomers; sulfur-containing monomers; adjuvants; adhesives; insecticides; insect attractants; metal oxides; Al, Ag, Au nanoparticles; dispersants; surfactants; fungicides and antimicrobial agents. 25. The composition of embodiment 23 or 24, the total amount of the particle of the composition is in the range from 0.01wt.% to 30wt.% based on the total amount of the composition, preferably it is from 0.1wt.% to 10wt.%, more preferably from 0.5wt.% to 5wt.%, furthermore preferably it is from 1wt.% to 3wt.%. 26. The composition according to any one of embodiments 23 to 25, wherein the matrix material is an organic material and/or an inorganic material, preferably the matrix material is an organic material, more preferably it is an organic oligomer or an organic polymer material, even more preferably an organic polymer selected from the group consisting of a transparent photosetting polymer, a thermosetting polymer, a thermoplastic polymer, or a combination of any of these. 27. A formulation comprising at least one particle of any one of embodiments 18 to 20, or the composition of any one of embodiments 23 to 26, and a solvent. 28. Use of the particle of any one of embodiments 18 to 20, or the composition of any one of embodiments 23 to 26, or the formulation of embodiment 27, in an optical sheet fabrication process or in agriculture, preferably for fabricating an agricultural sheet or for controlling a condition of a living organism. 29. An optical sheet (100) comprising at least one particle of any one of embodiments 18 to 20, or the composition of any one of embodiments 23 to 26, preferably said optical sheet is an agricultural sheet. 30. An optical device (200) comprising at least one optical sheet (100) of embodiment 29, preferably said optical device is a lighting device, more preferably it is a light emitting diode device. 31. A greenhouse comprising the optical sheet (100) of embodiment 29. 32. Use of the optical sheet (100) of embodiment 29 or the optical device (200) of embodiment 30 for agriculture, preferably for greenhouse or for controlling a condition of a living organism in agriculture. 33. Method for preparing the optical sheet (100), preferably for preparing the agriculture sheet, wherein the method comprises following steps (a) and (b), (a) providing the composition according to any one of embodiments 23 to 26, or the formulation according to embodiment 27 in a first shaping, preferably providing the composition onto a substrate or into an inflation moulding machine, and (b) fixing the matrix material by evaporating a solvent and / or polymerizing the composition by heat treatment or exposing the photosensitive composition under ray of light or a combination of any of these. 34. Method for preparing the optical device (200) of embodiment 30, comprising following step (A); (A) providing the optical sheet of embodiment 29, in an optical device (200). 35. Use of the particle of any one of embodiments 18 to 20, or the composition of any one of embodiments 23 to 26, the formulation of embodiment 27, the optical sheet (100) of embodiment 29, the optical device (200) of embodiment 30 or the green house of embodiment 31 for cultivation of algae, bacteria, preferably said bacteria are photosynthetic bacteria, and/or planktons, preferably it is photo planktons, preferably for improvement of controlling property of a phytoplankton condition, photosynthetic bacteria and/or alga, preferably acceleration of growth of phytoplankton, photosynthetic bacteria and/or alga; improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids, preferably by blue light; plant growth promotion; adjustment and / or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, vitamin content of plants; controlling of secondary metabolites, preferably controlling of polyphenols, and/or anthocyanins; controlling of a disease resistance of plants; controlling of ripening of fruits, or controlling of weight of plant. 36. Method of supplying the particle of any one of embodiments 18 to 20, or the composition of any one of embodiments 23 to 26, the formulation of embodiment 27 to at least one portion of a plant. 37. Method for modulating a condition of a plant, plankton, and/or a bacterium, comprising at least following step (C), (C) providing the optical sheet (100) of embodiment 29, between a light source and a plant, between a light source and a plankton, preferably said plankton is a phytoplankton, between a light source and a bacterium, preferably said bacterium is a photosynthetic bacterium, or providing the optical sheet (100) of embodiment 29 over a ridge in a field or over a surface of planter, preferably said planter is a nutrient film technique hydroponics system or a deep flow technique hydroponics system to control plant growth. 38. Method of embodiment 37, wherein the light source is the sun or an artificial light source, preferably said artificial light source is a light emitting diode. 39. A plant obtained or obtainable by the method of any one of embodiments 36 to 38, or a plankton obtained or obtainable by the method of embodiment 37 or 38, or a bacterium obtained or obtainable by the method of embodiment 37 or 38. 40. A container comprising at least one plant, one plankton, and/or a bacterium of embodiment 39. Technical effects The present invention provides one or more of following effects; improved long term moisture durability, improved water resistance, a water free coating process to avoid any damage to a phosphor during the coating process, an inorganic phosphor having a coating layer with higher EQE, improved and well controlled average particle size, improved optical properties such as light scattering, absorbing, refraction and/or reflection ability of inorganic phosphors, improved dispersibility of inorganic phosphors in a formulation, composition and/or in a matrix material of a film, better compatibility of an inorganic phosphor with a matrix material, improvement of controlling property of a phytoplankton condition, photosynthetic bacteria and/or alga, preferably acceleration of growth of phytoplankton, photosynthetic bacteria and/or alga; improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids, preferably by blue light; plant growth promotion; adjustment and / or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, vitamin content of plants; controlling of secondary metabolites, preferably controlling of polyphenols, and/or anthocyanins; controlling of a disease resistance of plants; controlling of ripening of fruits, or controlling of weight of plant. The working examples below provide descriptions of the present inventions but not intended to limit scopes of the inventions. Working Examples Working Example 1: Polymer coating to CZA phosphor <Phosphate anchoring procedure> Publicly available “CZA” phosphor (Ca₁₄Al₁₀Zn₆O₃₅:Mn⁴⁺) particles (Merck, 500 mg) are dispersed in 250 mL of ethanol. Then 5g of 2- Methacryloyloxyethyl phosphate (P-1M; Kyoeisha Chemical Co., Ltd.) is added to the dispersion. The dispersion is mechanically stirred for 3h at 40 ^oC at a rotating speed 400 rpm in a baffled 500 mL round bottom flask. 10 mg of AIBN (Azobisisobutyronitrile, Sigma-Aldrich) is dissolved in small portion of ethanol and added dropwise into the dispersion. Then the mixture is warmed to 75 ^oC and is continuously stirred for 2 hours at faster rotating speed 800 rpm. After polymerization finished, heating is stopped, and the mixture is cooled to room temperature. Then stirring is stopped and supernatant is removed. Resulted phosphor material is washed by sonication in 300 mL of ethanol for 3 times. Washed particle is dried up in the air, and grinded for SEM image observation (see Fig.5 and Fig.6). Working Example 2: measurements of optical properties The absorbances, internal quantum efficiencies (IQE) and external quantum efficiencies (EQE) of the CZA phosphors before and after the polymer coating treatment of the working example 1 are measured with using spectrophotofluorometer FP6500 (from JASCO). 0.3g of CZA samples (before and after polymer coating) are put in a sample holder of FP6500 then the sample holder is set in FP6500. The measurement wavelength range is between 300 and 800nm, the voltage is set to 370V, the measurement is carried out for two minutes at 320nm excitation wavelength and at 460 nm excitation wavelength. The results are shown in Table 2 and Table 3. Table.2: Absorbance, IQEs and EQEs change of before/after coating treatment of CZA (excitation at 320nm)

Table.3: Absorbance, IQEs and EQEs change of before/after coating treatment of CZA (excitation at 320nm)

very high level of absorbance, EQE and IQE at both excitation wavelengths (320 and 460 nm), compared to these of bare CZA phosphor. Working Example 3: Water durability test The durability of the coated phosphor particles in hot water (at 50 ^oC) is confirmed by dipping it into hot water directly. Completely coated CZA phosphor kept its yellow color after 1 hour heating and 30 hours impregnation in water. Water solution is clear before and after the durability test. As the comparison, same durability test is applied to bare CZA particles. Table 4 shows the results. Table 4

Working Example 5: Polymer coating to CZA phosphor <Ultrasound irradiated emulsifying procedure> To 500 mL of three-necked round flask, CZA phosphor particles (5g) are dispersed with 150 mL of methanol. And 50 mL of methanol solution of 4- vinyl benzoic acid (4VBA; Tokyo Chemical Industry; 10g) is added to the dispersion. The mixture is heated at 35 ^oC and is mechanically stirred at 200 rpm rotating speed for 2 hours. Then 200 mL of cyclohexane (Merck) solution of styrene monomer (Sigma-Aldrich; 20g) is added to the CZA dispersion. After addition of V-65 (Fujifilm Wako Pure Chemical Industry; 150 mg), ultrasound irradiation is started in Bransonic CPX2800H-J (40 kHz, 110W, Branson). Internal temperature is controlled at 60 ^oC and the mixture is stirred at 200 rpm rotating speed for 3 hours. Stirring and ultrasound irradiation are stopped, the mixture is cooled to room temperature. Resulted phosphor particles are filtered and rinsed with ethanol and dried. Working Example 6: Polymer coating to CZA phosphor <PS Direct coating procedure> To 500 mL of three-necked round flask, PS pellets (averaged M.W. 260,000, Acros Organics; 500 mg) and cyclohexane (200 mL) are set and the mixture is heated at 70 ^oC until the pellets are dissolved into solvent completely.5g of CZA phosphor is added into the clear solution of PS with keeping temperature with continuous stirring for 3 hours.20 mL of n- hexane is added dropwise to the dispersion, then heating is stopped and cooled to 15 ^oC slowly. Particles are filtered off, dried, and collected. Working Example 7: Polymer coating to CZA phosphor <PS Coating after dispersant treatment> To 100 mL of three-necked round flask, CZA particles (100 mg) is dispersed in ethanol (50 mL). To the mixture DISPERLON PW-36 (50% xylene solution, Kusumoto Chemical; ca 100 mg) is added at room temperature and stirred for 3 hours.2-Butanone (Tokyo Chemical Industry) solution (10 mL) of PS (50 mg) is added slowly into the dispersion and continuously stirred for 4 hours. Particles are filtered off, dried, and collected. Working Example 8: Water durability test The PS coated phosphors from working example 5 are used in the same manner as described in working example 3 instead of the polymer coated phosphors from working example 1. Working Example 9: EQE measurement of inorganic phosphors EQE measurements are carried out in the same manner as described in working example 2 except for the following phosphors are used. Table 5 showed the results. Table 5

*CZA: CZA phosphors before polymer coating *P-1M: Polymethylmethacrylate coated CZA phosphors from working example 1 **P-1M water: Polymer coated CZA after water durability test (from working example 3) ***PS: Polystyrene coated CZA phosphor from working example 5 ****PS water: Polystyrene coated CZA phosphor after water durability test from working example 8. Working Example 10: Polymer coating to CZA phosphor <Ethyl cellulose direct coating procedure> To a 200 mL of reaction round bottom vessel furnished with baffle plates, PIB (polyisobutylene, Sigma-Aldrich, average Mw ~1,000,000, average Mn ~600,000 by GPC/MALLS, average Mv ~1,200,000; 600 mg) and cyclohexane (120 mL) are set and the mixture is heated at 80 ^oC until the PIB is dissolved into solvent completely.300 mg of CZA phosphor and 600 mg of ethyl cellulose (Sigma-Aldrich, viscosity 100 cP, 5% in toluene/ethanol 80:20 (lit.), extent of labeling: 48% ethoxyl) are added into the clear solution of PIB with keeping temperature with continuous stirring for 2 hours. Then heating is stopped and cooled to rt slowly. After remove of supernatant and remained particles are filtered off, dried, and collected. Working Example 11: Polymer coating to CZA phosphor <PS coating procedure> To a 200 mL of reaction round bottom vessel furnished with baffle plates, MS51 (methylsilicate oligomer (MKC^® silicate), Mitsubishi Chemical, 18g), 1g of CZA phosphor and ethylene glycol (Sigma-Aldrich, 180 mL) are set and the mixture is heated at 80 ^oC. After 30 min. stirring 5 mL of styrene, 1 mL of divinylbenzene (Sigma-Aldrich) and AIBN are added into the mixture with keeping temperature with continuous stirring for 6 hours. Then heating is stopped and cooled to rt slowly. After remove of supernatant and remained particles are filtered off, washed with ethanol, n-hexane then dried and collected. Working Example 12: Polymer coating to CZA phosphor <Polyvinylbenzene coating procedure> To a 200 mL of reaction round bottom vessel furnished with baffle plates, 10 mg of sodium dodecylbenzenesulfonate (Sigma-Aldrich), 1g of tricalciumphosphate (Fujifilm-Wako), 2g of CZA phosphor and ethylene glycol (Sigma-Aldrich, 120 mL) are set and the mixture is heated at 50 ^oC. After 30 min. stirring (600 rpm), 6 mL of divinylbenzene (Sigma-Aldrich), 48 mL of 2,2,3-trimethylpropane (Sigma-Aldrich) and 250 mg of dilauroyl peroxide are added into the mixture, then the temperature is raised to 75 ^oC with continuous stirring for 12 hours. Then heating is stopped and cooled to rt slowly. After remove of supernatant and remained particles are filtered off, washed with ethanol, n-hexane then dried and collected.

Claims

Patent Claims 1. Method for fabricating a particle of polymer coated inorganic phosphor comprising at least the following steps: a) Preparing a 1^st reaction mixture by mixing at least 1^st polymer precursor, an inorganic phosphor and optionally a polymerization initiator together with at least a 1^st solvent; b) Reacting the 1^st polymer precursor in the 1^st reaction mixture without using water as a solvent to form a 1^st polymer coating layer on the surface of the inorganic phosphor, preferably said reaction is triggered by applying irradiation of rays to the 1^st reaction mixture and/or by applying a heat treatment, preferably said polymerization initiator is selected from one or more members of the group consisting of photo acid-generators, photo radical – generators, photo base – generators, heat acid-generators, heat base – generators and heat radical – generators, preferably said ray is visible light, UV rays, IR rays, X-rays, electron beams, α-rays, γ-rays or a combination of any of these.

2. The method of claim 1, wherein the 1^st solvent is an organic solvent.

3. The method of claim 1 or 2, wherein no water is used at least in step (b), preferably no water is used in step (a) and step (b), preferably no water is used in the whole fabrication process. 4. The method of any one of claims 1 to 3, wherein said 1^st polymer precursor is an acidic monomer, preferably it is selected from one or more members of the group consisting of acrylic acid, 2-chloroacrylic acid, 2- bromoacrylic acid, methacrylic acid, 2-phenylacrylic acid, 2- (methoxymethyl)-2-propenoic acid, 2-methylenesuccinic acid, methyl itaconate, ethyl itaconate, 2-methylene-4-oxo-pentanoic acid, propylacrylic acid, 1-[2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl] ester butanedioic acid, 1-[2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl] ester 1,2- cyclohexanedicarboxylic acid, 2-methacryloyloxyethyl acid phosphate, bis(2-methacryloyloxyethyl acid) phosphate, 1-[2-[(1-oxo-2-propen-1-yl) oxy]ethyl] ester butanedioic acid, 1-[2-[(1-oxo-2-propen-1-yl)oxy]ethyl] ester 1,2-cyclohexanedicarboxylic acid, 1-[2-[(1-oxo-2-propen-1-yl)oxy] ethyl] ester 1,2-Benzenedicarboxylic acid, 2-(phosphonooxy)ethyl ester 2- propenoic acid, 1-[1-[[4-[1-[4-[2-hydroxy-3-[(1-oxo-2-propen-1-yl)oxy] propoxy]phenyl]-1-methylethyl]phenoxy]methyl]-2-[(1-oxo-2-propen-1-yl) oxy]ethyl] ester 4-cyclohexene-1,2-dicarboxylic acid; styrene derivative monomer such as 4-vinylbenzoic acid,

4-(1-methylethenyl)benzoic acid.

5. The method of any one of claims 1 to 4, wherein said 1^st polymer precursor is a (meth)acrylate monomer represented by chemical formula (I),

wherein A is

wherein n is 0 or 1; R² is a straight alkylene chain or alkoxylene chain having 1 to 25 carbon atoms, preferably R² is a straight alkylene chain or alkoxylene chain having1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms, which may be substituted by one or more radicals R^a, where one or more non-adjacent CH₂ groups may be replaced by R^aC=CR^a, C≡C, Si(R^a)₂, Ge(R^a)2, Sn(R^a)2, C=O, C=S, C=Se, C=NR^a, P(=O)(R^a), SO, SO2, NR^a, OS, or CONR^a and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO₂; R^a is at each occurrence, identically or differently, H, D or an alkyl group having 1 to 20 carbon atoms, cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a hetero aromatic ring system having 5 to 60 carbon atoms, wherein H atoms may be replaced by D, F, Cl, Br, I; two or more adjacent substituents R^a here may also form a mono- or polycyclic, aliphatic, aromatic or heteroaromatic ring system with one another; more preferably said formula (I) is formula (II) or formula (III),

wherein Z¹ is symbol A, hydrogen atom, D, F, Cl, Br, I, a branched or straight alkyl chain having 1-15 carbon atoms, a branched or straight alkylene chain or alkoxylene chain having1 to 15 carbon atoms or an aryl group having 3 to 15 carbon atoms; Z² is symbol A, hydrogen atom, D, F, Cl, Br, I, a branched or straight alkyl chain having 1-15 carbon atoms, a branched or straight alkylene chain or alkoxylene chain having1 to 15 carbon atoms or an aryl group having 3 to 15 carbon atoms.

6. The method of any one of claims 1 to 5, further comprises following step (c), (d) and (e), (c) mixing a 2^nd polymer precursor in a 2^nd solvent to form a 2^nd reaction mixture; (d) adding the 2^nd reaction mixture into the 1^st reaction mixture to form a 3^rd reaction mixture; (e) reacting the 2^nd polymer precursor in the 3^rd reaction mixture to form the 1^st polymer coating layer on the surface of the inorganic phosphor or to form a 2^nd polymer coating layer on the 1^st polymer coating layer.

7. The method of any one of claims 1 to 6, wherein said step (a) further comprise following step (a1) and (a2), (a1) mixing a 1^st polymer precursor with a 2^nd solvent to form a reaction mixture a1, preferably said 1^st polymer precursor is a styrene monomer; (a2) mixing an inorganic phosphor with a surfactant in a 1^st solvent to form a reaction mixture a2, preferably said surfactant contains at least one anchoring group selected from the one or more members of the group consisting of phosphine groups, phosphine oxide groups, phosphate groups, phosphonate groups, thiol groups, tertiary amine, carboxyl groups, hetero cyclic groups, silane groups, sulfonic acids, hydroxyl groups, succinates, and phosphonic acids; preferably said anchoring group is a carboxyl group or a phosphonate group, more preferably it is a phosphonate group, preferably step (a2) is carried out at the temperature in the rage from 10°C to 35°C (at room temperature), more preferably in the rage from 15°C to 30°C; (a3) combining the reaction mixture a1 and a2 to form the 1^st reaction mixture of step (a).

8. The method of any one of claims 1 to 7, wherein ultrasound irradiation is applied to said reaction mixture, preferably it is applied to the 3^rd reaction mixture, preferably the frequency of the ultrasound is in the range from 1 to 1,000 kHz, more preferably from 5 to 500 kHz, even more preferably from 10 to 400 kHz.

9．The method of any one of claim 1 to 8, wherein the inorganic phosphor contains one or more of elements selected from the group consisting of alkali metal elements, alkaline metal elements, phosphorous atom, boron atom and sulfur atom, preferably said alkali metal element is Li, Na, Ka or a combination of any of these, and said alkaline metal element is Be, Mg, Ca, Sr, Ba or a combination of any of these.

10. The method of claim 9, wherein the inorganic phosphor has a peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably in the range from 600 to 1500 nm, more preferably in the range from 650 to 1000 nm, even more preferably in the range from 650 to 800 nm, furthermore preferably in the range from 650 to 750 nm, much more preferably it is from 660 nm to 730 nm, the most preferably from 670 nm to 710 nm, and / or at least one inorganic phosphor having a peak wavelength of light emitted from the inorganic phosphor in the range of 500 nm or less, preferably in the range from 250 nm to 500 nm, more preferably in the range from 300 nm to 500 nm, even more preferably in the range from 350 nm to 500 nm, furthermore preferably in the range from 400 nm to 500nm, much more preferably in the range from 420 nm to 480 nm, the most preferably in the rage from 430 nm to 460 nm, and / or at least one inorganic phosphor having a first peak wavelength of light emitted from the inorganic phosphor in the range of 500nm or less, and a second peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 250nm to 500nm, and the second peak light emission wavelength is in the range from 600 nm to 1500 nm, more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 300nm to 500nm, and the second peak light emission wavelength is in the range from 600 nm to 1000 nm, even more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 350nm to 500nm, and the second peak light emission wavelength is in the range from 650 nm to 800 nm, furthermore preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 400nm to 500nm, and the second peak light emission wavelength is in the range from 650 nm to 750 nm, much more preferably the first peak wavelength of light emitted from the inorganic phosphor is in the range from 420 nm to 480 nm, and the second peak light emission wavelength is in the range from 660 nm to 740 nm, the most preferably the first peak wavelength of light emitted from the inorganic phosphor is in the rage from 430 nm to 460 nm and the second peak wavelength of light emitted from the inorganic phosphor is in the range from 660 nm to 710 nm.

11. The method of any one of claims 9 to 10, wherein said inorganic phosphor is selected from the group consisting of metal-oxide phosphors, silicate and halide phosphors, phosphate phosphors, borate and borosilicate phosphors, aluminate, gallate and alumosilicate phosphors, sulfate, sulfide, selenide and telluride phosphors, nitride and oxynitride phosphors and SiAlON phosphors, preferably, it is a metal oxide phosphor, more preferably it is a Mn activated metal oxide phosphor or a Mn activated phosphate based phosphor, even more preferably it is a Mn activated metal oxide phosphor.

12. A particle of polymer coated inorganic phosphor obtained or obtainable by any one the method of claim 1 to 11.

13. A particle comprising an inorganic phosphor and a transparent polymer, wherein said phosphor is at least partially coated by a transparent polymer, preferably it is an organic polymer, more preferably it is selected from one or more member of the group consisting of (meth)acrylate polymers, polystyrenes, polyethylene polyethyleneterephthalate, polyurethane, polyacrylonitrile, epoxy resin derived from glycidyl function on (meth)acrylate monomer, biodegradable polymer such as polylactide, polyglycolide, polyhydroxyalkanoate, polycaproractone.

14. The particle of claim 13, wherein the inorganic phosphor contains one or more of elements selected from the group consisting of alkali metal elements, alkaline metal elements, and phosphorous atom, preferably said alkali metal element is Li, Na, Ka or a combination of any of these, and said alkaline metal element is Be, Mg, Ca, Sr, Ba or a combination of any of these.

15. Use of the particle of any one of claims 12 to 14 in agriculture, in a Light Emitting Diode or in a solar cell.

16. A composition comprising at least one particle of any one of claims 18 to 20 and another material.

17. A formulation comprising at least one particle of any one of claims 12 to 14, or the composition of claim 16, and a solvent.

18. Use of the particle of any one of claims 12 to 14, or the composition of claim 16, or the formulation of claim 17, in an optical sheet fabrication process or in agriculture, preferably for fabricating an agricultural sheet or for controlling a condition of a living organism.

19. An optical sheet (100) comprising at least one particle of any one of claims 12 to 14, or the composition of claim 16, preferably said optical sheet is an agricultural sheet.

20. An optical device (200) comprising at least one optical sheet (100) of claim 19, preferably said optical device is a lighting device, more preferably it is a light emitting diode device.

21. A greenhouse comprising the optical sheet (100) of claim 19.

22. Use of the optical sheet (100) of claim 19 or the optical device (200) of claim 20 for agriculture, preferably for greenhouse or for controlling a condition of a living organism in agriculture.

23. Method for preparing the optical sheet (100), preferably for preparing the agriculture sheet, wherein the method comprises following steps (a) and (b), (a) providing the composition according to claim 16, or the formulation according to claim 17 in a first shaping, preferably providing the composition onto a substrate or into an inflation moulding machine, and 24. Use of the particle of any one of claims 12 to 14, or the composition of claim 16, or the formulation of claim 17, the optical sheet (100) of claim 19, the optical device (200) of claim 20 or the green house of claim 21 for cultivation of algae, bacteria, preferably said bacteria are photosynthetic bacteria, and/or planktons, preferably it is photo planktons. 25. Method of supplying the particle of any one of claims 12 to 14, or the composition of claim 16, or the formulation of claim 17, to at least one portion of a plant.