CN104393157A - Fluorescent plastic master batch production and application for LED (Light Emitting Diode) white light secondary light conversion - Google Patents
Fluorescent plastic master batch production and application for LED (Light Emitting Diode) white light secondary light conversion Download PDFInfo
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- CN104393157A CN104393157A CN201410680487.2A CN201410680487A CN104393157A CN 104393157 A CN104393157 A CN 104393157A CN 201410680487 A CN201410680487 A CN 201410680487A CN 104393157 A CN104393157 A CN 104393157A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/56—Materials, e.g. epoxy or silicone resin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
Abstract
Fluorescent plastic master batches for LED (Light Emitting Diode) white light secondary light conversion comprise organic polymer plastic, fluorescent powder, flame retardants and additives. The fluorescent plastic master batches are characterized in that the fluorescent powder is nanoscale fluorescent powder; the organic polymer plastic is any one of polycarbonate, polyethylene terephthalate and polymethyl methacrylate; the flame retardants are polytetrafluoroethylene; the additives are any one of phosphite antioxidants and nano silicon dioxide; the fluorescent plastic master batches are formed by, by weight, 100 PHR of the organic polymer plastic, 0.01 to 2 PHR of the fluorescent powder, 0.2 to 1.0 PHR of the flame retardants and 0.1 to 2.0 PHR of the additives.
Description
Technical field
The present invention relates to macromolecular material, phosphor and lighting technical field, especially LED light white light secondary light conversion fluorescent plastic master batch preparations and applicatio is related to, be specially adapted to the surface source luminescence plastic master batch reducing blue ray radiation intensity and photobio logical hazard index, will gold-tinted produced by the blue light contained in LED white light by the nanometer yellow fluorescent powder in fluorescence excitation diffusion shell (plate) thus convert the material of white light to.
Background technology
Along with improving constantly of LED lamp product luminous efficiency, its blue ray radiation intensity also improves constantly thereupon, its strong dazzle, in, the blue light of short wavelength's high strength injects in the eye of user, affect the retinal health of user, simultaneously because LED light source is typical point light source light-emitting, the light beam of Relatively centralized has very large damage to human eye; And blue light source excites photochromic quality problems such as the light efficiency that of common plastics cover time remote excitation causes is lower, non-uniform light.
Traditional LED is since appearance, although the surface being coated in LED luminescence chip equably after generally adopting yellow fluorescent powder to mix with organic silica gel encapsulates, achieve LED light tiles first time light conversion.Also employing PC expects and adds the light diffusion problem of a certain amount of combustion adjuvant, antioxidant, dispersant solution specular removal simultaneously.But do not solve harm and the photobio logical hazard problem of the problem of optical uniformity, particularly blue ray radiation.In addition the blue-light excited long-range luminescence of LED also exists luminous efficiency and fluorescent material rolls up caused Cost Problems equally, and blue light harm and photobio logical hazard problem.Present applicant has proposed some carry out secondary light conversion technical scheme to LED light emitter: namely before the photophore of existing various LED or housing is set up a secondary light switching mechanism for this reason, concrete technical scheme be embodied in disclosed in China national intellectual property application number be: " a kind of White-light LED package structure and method for packing ", the application number of 201210214044.5 are: " a kind of White-light LED illumination secondary encapsulation technique reducing blue light harm " of 201310040930.5 and application number are: " a kind of blue-ray LED secondary excitation conversion of white light packaging technology " of 201310040963.X.Long for the conversion by carrying out secondary light to the LED white light produced after yellow fluorescent powder parcel, the light that LED is finally sent drops to minimum OK range to human eye harm.
In addition, consider high-molecular organic material, as Merlon (PC), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA) its light transmittance is higher, light penetration can reach more than 95%, and moulding process is simple, and the controllability of manufactured goods thickness is better, required various shape and specification can be made into, after adding fluorescent material, the dispersiveness of its fluorescent material is better, the luminescent plastic sheet made, luminescent plastic lampshade, luminescent plastic fluorescent tube can according to ratio contained by the adjustment fluorescent plastic master batch of its thickness, control the colour temperature of illuminating device.Therefore existing people proposes: with a kind of material of the people in Merlon (PC), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA) for base material, add a certain amount of yellow fluorescent powder and prepare the method for LED with luminous master batch (see Chinese patent literature CN103887412A) through prilling; But the master batch product that this kind of method obtains is the fluorescent material of common particle diameter due to what adopt, and the once encapsulation that can only be used for LED light source uses.
Apply shading film that common particle diameter yellow fluorescent powder and Merlon (PC) or polyethylene terephthalate (PET) or polymethyl methacrylate (PMMA) make, used in sunshade board for many years in the test of LED secondary light transformational structure the applicant, find to adopt the luminescent plastic lamp plate of above-mentioned fabrication techniques, lampshade or fluorescent tube to there is following defect:
1. owing to adopting the particle diameter of current conventional yellow fluorescent powder larger, be generally 10 μm to 29 μm), cause when it is mixed with high-molecular organic material, make the distribution of such conventional yellow fluorescent powder very uneven, thus cause shaping after change optical thin film or sheet material, yellow fluorescent powder in lampshade uniform property be restricted, affect the effective conversion to blue light wave; Cause colour temperature deviate excessive (500K to 1000K), blue light can not effectively be excited, and only has nearly 60% blue light to achieve effective conversion;
2. the particle diameter due to yellow fluorescent powder is larger, therefore carrying out in the process mixed with Merlon (PC) or polyethylene terephthalate (PET) or polymethyl methacrylate (PMMA), the amount ratio mixing yellow fluorescent powder is comparatively large, causes cost of manufacture to be difficult to reduce;
3. the amount ratio due to yellow fluorescent powder is comparatively large, for making the uniformity of yellow fluorescence powder content in final master batch and distribution, also high to its technological requirement in double-screw extruding pelletizing processes in the course of processing.
Summary of the invention
Object of the present invention: be intended to propose a kind of LED light emitter white light secondary light conversion fluorescent plastic master batch preparations and applicatio, outside the various processing request making this plastic master batch not only meet plastic master batch and physical property, also requirement can be blue-light excited by part in white light, convert white light, forming surface light source to, there is low blue light and low photobio logical hazard value, and the feature such as visual comfort is good, do not affect again the light efficiency and colour temperature that once encapsulate simultaneously.
The present invention is achieved through the following technical solutions:
This LED light emitter white light secondary light conversion fluorescent plastic master batch, comprises organic high molecule plastic, fluorescent material, spread powder, fire retardant, dispersant, auxiliary agent, it is characterized in that: described fluorescent material is nanoscale fluorescent material; Described spread powder is any one or a few the combination in nano-organosilicon, nano barium sulfate, calcium carbonate, acrylic type, styrene type, acrylic resin type; Described organic polymer plastics are any one in Merlon, polyethylene terephthalate, polymethyl methacrylate; Described dispersant is nano silicon; Described fire retardant is polytetrafluoroethylene; Described auxiliary agent is phosphorous acid class antioxidant; And described fluorescent plastic master batch is by following percentage by weight preparation:
Nanoscale fluorescent material is wherein nanoscale YAG or silicate nano yellow fluorescent powder.
Comprise the following steps:
1) organic polymer plastics, nanoscale fluorescent material, spread powder, fire retardant, dispersant and other auxiliary agent is taken by weight ratio;
2) nanoscale fluorescent material and the mixing of organic polymer plastics, spread powder, fire retardant, dispersant and other auxiliary agent are mixed thoroughly rear input double screw extruder, prilling routinely through melting, stir after extrude, granulation, formation can be used for making fluorescent plate, cover lamp plastic device, is directly used in the fluorescent plastic master batch of LED bis-blue light conversion forming surface light source luminescents.
Described fluorescent plastic master batch is directly made into the fluorescent plate of LED light emitter, cover or pipe by compression moulding, blow moulding process.
Described fluorescent plastic master batch mixes a certain amount of transparent PC material and a certain proportion of spread powder, is made the plastic devices such as diffusion fluorescence cover (plate) by compression moulding, blow moulding process; Under the some blue light of plastic device in white light such as the diffusion fluorescence cover (plate) made excite, changed by light, forming surface light source luminescent.
According to the LED light emitter white light secondary light conversion fluorescent plastic master batch that above technical scheme proposes, mixing a certain amount of transparent PC material and a certain proportion of spread powder, made the plastic devices such as diffusion fluorescence cover (plate) by compression moulding, blow moulding process; Under the some blue light of plastic device in white light such as the diffusion fluorescence cover (plate) made excite, changed by light, form the surface source luminescence that can reduce blue light harm significantly.
Embodiment
Set forth the present invention further below in conjunction with embodiment, and provide embodiments of the invention.
The fluorescent plastic master batch of this LED light emitter white light secondary light conversion, comprises organic high molecule plastic, fluorescent material, spread powder, fire retardant, dispersant, auxiliary agent, it is characterized in that: described fluorescent material is nanoscale fluorescent material; Described spread powder is any one or a few the combination in nano-organosilicon, nano barium sulfate, calcium carbonate, acrylic type, styrene type, acrylic resin type; Described organic polymer plastics are any one in Merlon, polyethylene terephthalate, polymethyl methacrylate; Described dispersant is nano silicon; Described fire retardant is polytetrafluoroethylene; Described auxiliary agent is phosphorous acid class antioxidant; And described fluorescent plastic master batch is by following percentage by weight preparation:
Nanoscale fluorescent material is wherein nanoscale YAG or silicate nano yellow fluorescent powder.
Comprise the following steps:
3) organic polymer plastics, fluorescent material, spread powder, fire retardant, dispersant and other auxiliary agent is taken by weight ratio;
4) nanoscale fluorescent material and the mixing of organic polymer plastics, spread powder, fire retardant, dispersant and other auxiliary agent are mixed thoroughly rear input double screw extruder, prilling routinely through melting, stir after extrude, granulation, formation can be used for making fluorescent plate, cover lamp plastic device, is directly used in the fluorescent plastic master batch of LED bis-blue light conversion forming surface light source luminescents.
Described fluorescent plastic master batch is directly made into the fluorescent plate of LED light emitter, cover or pipe by compression moulding, blow moulding process.
Described fluorescent plastic master batch mixes a certain amount of transparent PC material and makes the plastic devices such as diffusion fluorescence cover (plate) by compression moulding, blow moulding process; Under the some blue light of plastic device in white light such as the diffusion fluorescence cover (plate) made excite, changed by light, forming surface light source luminescent.
Embodiment 1 (master batch for the sheet material or tubing that make wall thickness 1mm)
The nanoscale fluorescent material adopted is nanoscale YAG or silicate nano yellow fluorescent powder.
Embodiment 2 (for making the master batch of the thick thin-film material of 0.1mm)
The nanoscale fluorescent material adopted is nanoscale YAG or silicate nano yellow fluorescent powder.
Embodiment 3 (master batch for the sheet material or tubing that make wall thickness 2mm)
The nanoscale fluorescent material adopted is nanoscale YAG or silicate nano yellow fluorescent powder.
Show through the present inventor's actual experiment: the fluorescent plastic master batch of this LED light emitter white light secondary light conversion adopting technique scheme to propose, the colour temperature of LED light emitter can be made to control, at ± 200K, to make the emission measure of blue light reduce by 40%.
Claims (5)
1. a fluorescent plastic master batch for LED light emitter white light secondary light conversion, comprises organic high molecule plastic, fluorescent material, fire retardant, auxiliary agent, it is characterized in that: described fluorescent material is nanoscale fluorescent material; Described organic polymer plastics are any one in Merlon, polyethylene terephthalate, polymethyl methacrylate; Described fire retardant is polytetrafluoroethylene; Described auxiliary agent is any one in phosphorous acid class antioxidant, nano silicon; And described fluorescent plastic master batch is by following percentage by weight preparation:
2. the fluorescent plastic master batch of a kind of LED light emitter white light secondary light conversion as claimed in claim 1, is characterized in that: nanoscale fluorescent material is wherein nanoscale YAG or silicate nano yellow fluorescent powder.
3. as claim 1 or as described in the preparation method of LED plastic master batch, comprise the following steps:
1) organic polymer plastics, fluorescent material, fire retardant and other auxiliary agent is taken by weight ratio;
2) mix nanoscale fluorescent material and the mixing of organic polymer plastics, fire retardant and other auxiliary agent the charge door of rear input double screw extruder thoroughly, extrude after melting, granulation.
4. the fluorescent plastic master batch of the LED light emitter white light secondary light conversion as described in claim 1 or 2 or 3, is characterized in that: described fluorescent plastic master batch is directly made into the fluorescent plate of LED light emitter, cover or pipe by compression moulding, blow moulding process.
5. the fluorescent plastic master batch of the LED light emitter white light secondary light conversion as described in claim 1 or 2 or 3, it is characterized in that: described fluorescent plastic master batch mixes a certain amount of transparent PC material and a certain proportion of spread powder, is made the plastic devices such as diffusion fluorescence cover (plate) by compression moulding, blow moulding process; Under the some blue light of diffusion fluorescence cover (plate) plastic device in white light made excites, changed by light, forming surface light source luminescent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680487.2A CN104393157A (en) | 2014-11-24 | 2014-11-24 | Fluorescent plastic master batch production and application for LED (Light Emitting Diode) white light secondary light conversion |
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| CN201410680487.2A CN104393157A (en) | 2014-11-24 | 2014-11-24 | Fluorescent plastic master batch production and application for LED (Light Emitting Diode) white light secondary light conversion |
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| CN104393157A true CN104393157A (en) | 2015-03-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949016A (en) * | 2015-05-22 | 2015-09-30 | 普天智能照明研究院有限公司 | Manufacturing method for flush mounted ceiling lamp capable of carrying out light conversion and inflatable LED lamp bulb |
| CN109882751A (en) * | 2019-03-19 | 2019-06-14 | 天津市斯奥格汽车光电有限公司 | White light light mixing device, fluorescence colour wheel and lighting apparatus |
| CN109958925A (en) * | 2019-02-16 | 2019-07-02 | 上海祥羚光电科技发展有限公司 | Area source |
| CN111196921A (en) * | 2018-11-20 | 2020-05-26 | 苏州星烁纳米科技有限公司 | Fluorescent nanomaterial-polymer complex, method for preparing wavelength conversion element, and light-emitting device |
| CN114619737A (en) * | 2021-10-12 | 2022-06-14 | 金华市华翰智能科技合伙企业(有限合伙) | Metavanadate fluorescent film and preparation method thereof |
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| CN1528858A (en) * | 2003-10-08 | 2004-09-15 | 中国地质大学（武汉） | Nano fluorescent powder and preparing method thereof |
| CN102002269A (en) * | 2009-09-03 | 2011-04-06 | 佛山市国星光电股份有限公司 | Fluorescent powder coating liquid of white light emitting diode as well as preparation method and coating method thereof |
| CN103887412A (en) * | 2012-12-24 | 2014-06-25 | 李�瑞 | Preparation method and application method for LED lamp luminous plastic master batch |
| CN104103740A (en) * | 2013-04-08 | 2014-10-15 | 逢甲大学 | Light emitting device |
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2014
- 2014-11-24 CN CN201410680487.2A patent/CN104393157A/en active Pending
Patent Citations (4)
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| CN1528858A (en) * | 2003-10-08 | 2004-09-15 | 中国地质大学（武汉） | Nano fluorescent powder and preparing method thereof |
| CN102002269A (en) * | 2009-09-03 | 2011-04-06 | 佛山市国星光电股份有限公司 | Fluorescent powder coating liquid of white light emitting diode as well as preparation method and coating method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949016A (en) * | 2015-05-22 | 2015-09-30 | 普天智能照明研究院有限公司 | Manufacturing method for flush mounted ceiling lamp capable of carrying out light conversion and inflatable LED lamp bulb |
| CN104949016B (en) * | 2015-05-22 | 2017-07-21 | 普天智能照明研究院有限公司 | Can light conversion ceiling lamp and inflatable LED bulb preparation method |
| CN111196921A (en) * | 2018-11-20 | 2020-05-26 | 苏州星烁纳米科技有限公司 | Fluorescent nanomaterial-polymer complex, method for preparing wavelength conversion element, and light-emitting device |
| US11873437B2 (en) | 2018-11-20 | 2024-01-16 | Suzhou Xingshuo Nanotech Co., Ltd. | Method for preparing fluorescent nanomaterial-polymer composite, and light emitting device |
| CN109958925A (en) * | 2019-02-16 | 2019-07-02 | 上海祥羚光电科技发展有限公司 | Area source |
| CN109958925B (en) * | 2019-02-16 | 2021-06-29 | 上海祥羚光电科技发展有限公司 | Area light source |
| CN109882751A (en) * | 2019-03-19 | 2019-06-14 | 天津市斯奥格汽车光电有限公司 | White light light mixing device, fluorescence colour wheel and lighting apparatus |
| CN114619737A (en) * | 2021-10-12 | 2022-06-14 | 金华市华翰智能科技合伙企业(有限合伙) | Metavanadate fluorescent film and preparation method thereof |
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Application publication date: 20150304 |