CN204981727U - Built -in type transverse electric field mode liquid crystal display panel of touch panel function - Google Patents
Built -in type transverse electric field mode liquid crystal display panel of touch panel function Download PDFInfo
- Publication number
- CN204981727U CN204981727U CN201490000472.0U CN201490000472U CN204981727U CN 204981727 U CN204981727 U CN 204981727U CN 201490000472 U CN201490000472 U CN 201490000472U CN 204981727 U CN204981727 U CN 204981727U
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- Prior art keywords
- liquid crystal
- transparent
- mentioned
- electrically conductive
- conductive film
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/2279—Oxides; Hydroxides of metals of antimony
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
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- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
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- G02F2202/00—Materials and properties
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Abstract
The utility model provides a built -in type transverse electric field mode liquid crystal display panel of touch panel function, it possesses the liquid crystal layer, separates the liquid crystal layer each other relative arrangement first transparency carrier and second transparency carrier, dispose in first transparency carrier with the opposite one side of liquid crystal layer and contain adhesive and chain form electroconductive particle the transparent conductivity membrane, dispose in the second transparency carrier benchmark electrode and the electric capacity line of liquid crystal layer side and separating the insulating film and benchmark electrode relative arrangement's electrode for the demonstration. According to the utility model discloses a built -in type transverse electric field mode liquid crystal display panel of touch panel function's touch sensitivity and the equal excellence of ESD nature.
Description
Technical field
The utility model relates to transparent conductivity coating composition and uses its transparent and electrically conductive film, and possesses the contact panel function built-in Transverse electric-field type display panels of this transparent and electrically conductive film.
Background technology
Display panels plays the characteristics such as light weight, slim, low consumption electric power, and it is used in the compact display apparatus such as various information equipment terminal or photographic camera, and in addition, be also used in recent years in the large-scale display devices such as TV, its market expands.As the kind of display panels, the longitudinal electric field mode being representative with TN (twisted-nematic) type in the past is comparatively preponderated, but the display panels being called as Transverse electric-field type recently also becomes main flow.
The feature bar of the display panels of longitudinal electric field mode in, in the transparency carrier that liquid crystal layer is opposite each other, a slice transparency carrier is provided with pixel electrode, another sheet transparency carrier is provided with common electrode, controls the orientation of liquid crystal by the electric field occurred between this pixel electrode with common electrode, namely vertical relative to transparency carrier electric field.Relative to this, with regard to the formation of the display panels of Transverse electric-field type, in the transparency carrier that liquid crystal layer is opposite each other, mainly possess display electrode and reference electrode in the liquid crystal layer side of a slice transparency carrier, by the electric field (transverse electric field, fringe field) that occurs between this display electrode and reference electrode, be namely parallel to the electric field that transparency electrode occurs and control liquid crystal aligning, thus modulation is through the light of above-mentioned liquid crystal layer.
The display panels of Transverse electric-field type has the wide advantage of field angle compared with longitudinal electric field mode, but, there is the problem that display panels is subject to occurring when black display from the electrostatic influence of outside or inside or the electromagnetism obstruction of outside the display quality reductions such as light leak in the impossible problem of the display panels as longitudinal electric field mode.This is because the display panels of Transverse electric-field type is formed as the structure of integrative display electrode and reference electrode on a slice transparency carrier, therefore is formed as the formation of the conductive layer completely without the function of shielding possessed for the electrostatic from outside etc.
In order to solve such problem, oneself proposes following technology: in the transparency carrier of display panels, relative to back light unit compared with distally transparency carrier with the face of liquid crystal layer opposite side on form the conductive layer possessing light transmission, thus there is static discharge (ESD) function, specifically propose and formed containing the method (with reference to patent documentation 1) of the antistatic films such as ITO as conductive layer.Utilize the method, ESD function can be given to Transverse electric-field type display panels.
On the other hand, recently, with liquid crystal indicator used in smart mobile phone etc. for representative, the demand employing the liquid crystal indicator of the display panels with contact panel function increases.At present the display panels with contact panel function popularize be the additional type configuring contact panel outside display panels in the past, but this additional type makes panels en bloc thickening, and existence is difficult to the problem making liquid crystal indicator slimming.In contrast, as the built-in in the built-in contact panel function of LCD intralamellar part, oneself proposes contact panel function built-in display panels.Contact panel function built-in display panels configures touch-control perceptional function layer between 2 sheet glass substrates of display panels, has the advantage that panels en bloc can be made thinning.Therefore, the display panels (with reference to patent documentation 2) above-mentioned Transverse electric-field type display panels and contact panel function built-in display panels combined has been proposed.In addition, in patent documentation 2, as the touch-control perceptive mode that touch-control perceptional function layer is used, describe such as electrostatic capacitance mode.
In addition, relevant to the utility model prior art document has patent documentation 3 ~ 6.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2010-102020 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2011-137882 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2000-196287 publication
Patent documentation 4: Japanese Unexamined Patent Publication 2005-139026 publication
Patent documentation 5: Japanese Unexamined Patent Publication 2006-339113 publication
Patent documentation 6: Japanese Unexamined Patent Publication 2012-25793 publication
Utility model content
The problem that utility model will solve
But, about the display panels that Transverse electric-field type display panels is combined with the contact panel function built-in display panels of the touch-control perceptional function layer being configured with electrostatic capacitance mode, owing to giving the ESD function required by Transverse electric-field type display panels, therefore when display panels arranges conductive layer, distinguish that touch-control sensitivity sometimes declines.
The utility model is in order to solve the problem, and provide in a kind of contact panel function built-in Transverse electric-field type liquid crystal panel possessing electrostatic capacitive touch-control perceptional function layer, ESD function and contact panel function can be had concurrently, and the transparent conductivity coating composition of the transparent and electrically conductive film of transmittance and hardness excellence can be formed and use its transparent and electrically conductive film, and possessing the contact panel function built-in Transverse electric-field type display panels of this transparent and electrically conductive film.
For solving the method for problem
Transparent conductivity coating composition of the present utility model is the transparent conductivity coating composition comprising chain Conductive inorganic particle, tackiness agent, high boiling solvent and low boiling point solvent, it is characterized in that, relative to the total amount of described chain Conductive inorganic particle and described tackiness agent, the content of described chain Conductive inorganic particle is 40 ~ 90 quality %.
The feature of transparent and electrically conductive film of the present utility model is use above-mentioned transparent conductivity coating composition of the present utility model and formed.
Contact panel function built-in Transverse electric-field type display panels of the present utility model possesses liquid crystal layer, across described liquid crystal layer the first transparency carrier opposite each other and the second transparency carrier, that be configured at described first transparency carrier with transparent and electrically conductive film that is described liquid crystal layer opposite side, be configured at display electrode and the reference electrode of the described liquid crystal layer side of described second transparency carrier, and be configured in the contact panel function built-in Transverse electric-field type display panels of the electrostatic capacitive touch-control perceptional function layer between described first transparency carrier and described second transparency carrier, it is characterized in that, use above-mentioned transparent and electrically conductive film of the present utility model as described transparent and electrically conductive film.
Utility model effect
According to the utility model, can by high for ESD function, do not reduce touch-control sensitivity and the transparent and electrically conductive film of transmittance and hardness excellence directly and be configured in contact panel function built-in Transverse electric-field type display panels simply.
Accompanying drawing explanation
Fig. 1 is the diagrammatic top circle that display uses a part for the liquid crystal indicator of contact panel function built-in Transverse electric-field type display panels of the present utility model.
Fig. 2 is the summary section that display uses a part for the liquid crystal indicator of contact panel function built-in Transverse electric-field type display panels of the present utility model.
Embodiment
(transparent conductivity coating composition)
First, transparent conductivity coating composition of the present utility model is described.
Transparent conductivity coating composition of the present utility model contains chain Conductive inorganic particle, tackiness agent, high boiling solvent and low boiling point solvent.Further, be characterised in that, relative to the total amount of above-mentioned chain Conductive inorganic particle and above-mentioned tackiness agent, the content of above-mentioned chain Conductive inorganic particle is 40 ~ 90 quality %.
By using above-mentioned transparent conductivity coating composition, can provide ESD function high, do not reduce touch-control sensitivity and the transparent and electrically conductive film of transmittance and hardness excellence.
< chain Conductive inorganic particle >
Transparent conductivity coating composition of the present utility model is 40 ~ 90 quality % by making the content of above-mentioned chain Conductive inorganic particle relative to the total amount of above-mentioned chain Conductive inorganic particle and above-mentioned tackiness agent, ESD function can be provided high and do not reduce the transparent and electrically conductive film of touch-control sensitivity.Reduce lower than the ESD function of transparent and electrically conductive film during 40 quality % at the content of above-mentioned chain Conductive inorganic particle, at the content of above-mentioned chain Conductive inorganic particle more than touch-control sensitivity decrease during 90 quality %.
In addition, by using above-mentioned chain Conductive inorganic particle, compared with using the situation of non-chain Conductive inorganic particle, the electroconductibility of transparent and electrically conductive film can be improved with less amount.Think that this reason is, because inorganic particulate has chain-like structure, therefore compared with during inorganic particulate Individual existence, increase the conductive network that inorganic particulate is mutual, thus improve the electroconductibility of transparent and electrically conductive film entirety.Therefore, it is possible to reduce the amount of the inorganic particulate of the regulation electroconductibility for realizing transparent and electrically conductive film, the transmittance of transparent and electrically conductive film thus can also be improved.
As above-mentioned chain Conductive inorganic particle, the inorganic particulate preferably using the primary particle being 2 ~ 30nm by 2 ~ 50 particle diameters to be formed by connecting, is more preferably formed by connecting 3 ~ 20.When the connection number of the primary particle of above-mentioned particle diameter is more than 50, there is the trend that the turbidity value making transparent and electrically conductive film rises because of the scattering of particle.In addition, when the linking number of the primary particle of above-mentioned particle diameter is lower than 2, particle becomes non-chain and is difficult to be formed the mutual conductive network of inorganic particulate, and the electroconductibility of transparent and electrically conductive film is reduced.
Above-mentioned particle diameter and link number and such as can obtain as follows: for will transparent conductivity coating composition low boiling point solvent dilute after to coat transparent and electrically conductive film on various base material thinly with the thick film of 2 ~ 10nm, utilize transmission type microscope (TEM) to observe, measure the particle diameter of each particle forming chain Conductive inorganic particle and connective number and obtain.
As above-mentioned chain Conductive inorganic particle, as long as the chain particle having the transparency and electroconductibility concurrently is just not particularly limited, such as, metallics, carbon particles, conductive metal oxide particle, conductive nitride particle etc. can be used.Wherein, the conductive metal oxide particle of the transparency and electroconductibility is preferably had concurrently.As above-mentioned conductive metal oxide particle, the metal oxide particles such as tin oxide particles, weisspiessglanz particle, stannic oxide (ATO) particle containing antimony, Indium sesquioxide (ITO) particle containing tin, stannic oxide (PTO) particle containing phosphorus, zinc oxide (AZO) particle containing aluminium, zinc oxide (GZO) particle containing gallium can be enumerated.Above-mentioned conductive metal oxide particle can be used alone, and also can combine two or more and use.In addition, above-mentioned chain Conductive inorganic particle is preferably containing being selected from by least a kind in molecular group of ATO particle, ITO particle and PTO grain.The transparency of these Conductive inorganic particles, electroconductibility and chemical property are excellent, also can realize high transmittance and electroconductibility when making transparent and electrically conductive film.
There is no particular restriction for the manufacture method of above-mentioned chain Conductive inorganic particle, but can adopt such as Japanese Unexamined Patent Publication 2000-196287 publication, Japanese Unexamined Patent Publication 2005-139026 publication, Japanese Unexamined Patent Publication 2006-339113 publication, manufacture method described in Japanese Unexamined Patent Publication 2012-25739 publication.
< tackiness agent >
As above-mentioned tackiness agent, as long as above-mentioned chain Conductive inorganic particle dispersion can be made and the tackiness agent forming film is just not particularly limited, any one of inorganic system tackiness agent and organic system tackiness agent can be used.Relative to the total amount of above-mentioned chain Conductive inorganic particle and above-mentioned tackiness agent, the content of above-mentioned tackiness agent is preferably more than 20 quality %.This is because when lower than 20 quality %, the intensity of transparent conducting film has the tendency of reduction.
As above-mentioned inorganic system tackiness agent, such as, organoalkoxysilane can be used.Trueer body, above-mentioned organoalkoxysilane can use following material: it is the compound that 3 ~ 4 alkoxyl groups and silicon are combined into, and when being dissolved in water, polymerization occurring and becomes high molecular SiO with-OSiO-link
2body.
As above-mentioned organoalkoxysilane, preferably containing at least a kind of multifunctional organoalkoxysilane be selected from the group that is made up of tetraalkoxysilane, trialkoxy silane, dialkoxy silicane and alkoxysilane oligomer.Alkoxysilane oligomer is monomer condensation and the organoalkoxysilane that the polymer that formed quantizes each other of organoalkoxysilane, refers in 1 molecule the oligopolymer of the siloxane bond (-OSiO-) with more than 2.This bond number is preferably 2 ~ 20.
As the example of above-mentioned tetraalkoxysilane, tetramethoxy-silicane, tetraethoxysilane, tetrapropoxysilane, tetraisopropoxysilan, four tert-butoxy silane etc. can be enumerated and carry out quaternary silane with the alkoxyl group of carbonatoms 1 ~ 4.
As the example of above-mentioned trialkoxy silane, Trimethoxy silane, triethoxyl silane, tripropoxy silane, three butoxy silanes, three isopropoxy silane, three L-butoxy silanes etc. can be enumerated and carry out trisubstituted silane with the alkoxyl group of carbonatoms 1 ~ 4, the silane that the part such as " KBM-13 (methyltrimethoxy silane) ", " KBE-13 (Union carbide A-162) " is replaced by alkyl.
As the example of above-mentioned dialkoxy silicane, the silane that dimethyldimethoxysil,ne, dimethoxydiphenylsilane, dimethyldiethoxysilane, diphenyl diethoxy silane etc. replace with the alkoxyl group of carbonatoms 1 ~ 4 can be enumerated, the silane that the some such as " KBM-22 (dimethyldimethoxysil,ne) ", " KBE-22 (dimethyldiethoxysilane) " is replaced by alkyl.
As the example of above-mentioned alkoxysilane oligomer, the more low molecular alkoxysilane oligomer in the lump with organic group and alkoxysilane group can be enumerated.As concrete example, " ethyl silicate 40 ", " tetraethyl silicate 48 ", " methyl silicate 51 ", " methyl silicate 53A " etc. of " X-40-2308 ", " X-40-9238 ", " X-40-9247 " of chemical company of SHIN-ETSU HANTOTAI, " KR-401N ", " KR-510 ", " KR-9218 ", COLCOAT Inc. can be enumerated.
In the concrete example of above-mentioned organoalkoxysilane, in order to form the transparent conducting film of more high rigidity, preferred tetraalkoxysilane, tetraalkoxysilane and trialkoxy silane and use; The trialkoxy silane that a part is replaced by alkyl or dialkoxy silicane, functional group are the alkoxysilane oligomer of alkoxysilane group.This is because, by using them, utilize the three-dimensional cross-linked hardness grow making transparent and electrically conductive film of the siloxane bond facilitated between binder molecule, the transparent conducting film because of rheological parameters' change with time can be eliminated further the danger in crack occurs, and more can improve the adaptation with substrate.
And then, in order to form the film of high-quality well with more steady state reproducibility, preferably transparent conductivity coating composition being carried out to the hydrolysis reaction of organoalkoxysilane, using with the state of silanolate.As its inflation method, such as, can enumerate following method: in the organoalkoxysilane with the dilution of the low boiling point solvent such as alcohol, add water and acid catalyst and carry out in advance silanolate method, in electroconductibility coating composition, add water and catalyzer and carry out the method for silanolate.The content of water obtains theoretical value by obtaining percent hydrolysis according to the structure of organoalkoxysilane, but coordinate the working life of transparent conductivity coating composition, coating adaptive, transparent and electrically conductive film physical property and suitably adjust.Relative to organoalkoxysilane total amount, the content of above-mentioned water is preferably 50 ~ 1500 quality %.This is because when lower than 50 quality %, the intensity of transparent conducting film reduces, and when more than 1500 quality %, rate of drying is slack-off and have influence on coating adaptive.
In addition, as above-mentioned organic system tackiness agent, such as, can use acrylic resin, vibrin, polyamide resin, polycarbonate resin, urethane resin, polystyrene resin, polyvinyl chloride (PVC) RESINS, polyvinylidene chloride resin, polyvinyl alcohol resin, vinylite and contain the optical polymerism resin etc. of photopolymerization monomer and polymerization starter.
As above-mentioned photopolymerization monomer, preferably containing (methyl) Acrylic Acid Monomer more than trifunctional of 50 ~ 90%.Herein, the containing ratio of photopolymerization monomer refers to the ratio of the quality of photopolymerization monomer relative to the total quality of photopolymerization monomer and polymerization starter.By (methyl) polymerizable acrylic monomer of making reflecting point many, solidification and become matrix resin, the intensity of transparent and electrically conductive film more can be improved.When the mass ratio of the photopolymerization monomer more than trifunctional is less than 50%, the hardness of film dies down, and weather resistance is reduced.In addition, owing to being necessary to use polymerization starter together with above-mentioned photopolymerization monomer, therefore be in fact difficult to make the mass ratio of photopolymerization monomer more than 90%.
As trifunctional (methyl) Acrylic Acid Monomer, trimethylolpropane tris (methyl) acrylate, tetramethylolmethane three (methyl) acrylate, ethoxylated trimethylolpropane three (methyl) acrylate can be enumerated; As (methyl) Acrylic Acid Monomers more than four senses, tetramethylol methane tetraacrylate can be enumerated, Dipentaerythritol Pentaacrylate, dipentaerythritol acrylate etc.In addition, as photopolymerization monomer, it can be the general multifunctional acrylic acid oligomer sold, be particularly preferably the high and monomer that hardness is high of solidified nature, " AH-600 ", " UA-306H " of such as chemical company of common prosperity society, " NKOLIGOU-6HA ", " NKOLIGOU-15HA " etc. of chemical company of Xin Zhong village.
In addition, also the photopolymerization monomer of simple function and two senses can be contained in above-mentioned photopolymerization monomer, such as can enumerate 1,4-butyleneglycol two (methyl) acrylate, neopentyl glycol two (methyl) acrylate, 1, the two sense polymerizable monomers such as 6-hexylene glycol two (methyl) acrylate, 1,9-nonanediol two (methyl) acrylate, Ethoxylated bisphenol A bis-(methyl) acrylate, cyclohexanedimethanol two (methyl) acrylate, V-Pyrol RC, the vinyl monomers such as ethylene carboxamide, (methyl) butyl acrylate, (methyl) alkyl acrylate such as (methyl) 2-EHA, (methyl) cyclohexyl acrylate, ester ring type (methyl) acrylate such as (methyl) isobornyl acrylate, (methyl) hydroxyethyl (methyl) acrylate, hydroxyl (methyl) acrylate such as (methyl) Propylene glycol monoacrylate, acryloyl morpholine, nitrogenous (methyl) acrylate such as (methyl) dimethylaminoethyl acrylate, (methyl) benzyl acrylate, (methyl) acrylate, the simple function polymerizable monomers such as the fragrant family such as vinylformic acid tetrahydro furfuryl ester (methyl) acrylate.
As above-mentioned polymerization starter, such as, benzil can be enumerated, α-the diones such as di-acetyl, the acyloins such as bitter almond oil camphor (acyloin) class, benzoin methylether, ethoxybenzoin, the acyloin ethers such as benzoin iso-propylether, thioxanthone, 2,4-diethyl thioxanthone, CTX, the thioxanthene ketones such as thioxanthone-4-sulfonic acid, benzophenone, 4,4 '-bis-(dimethylamino) benzophenone, the benzophenones such as 4,4 '-bis-(diethylamino) benzophenone, Michaelis ketone, methyl phenyl ketone, 2-(4-tosyl group oxygen base)-2-phenyl acetophenone, to dimethylamino benzoylformaldoxime, α, α '-dimethoxy acetoxyl group benzophenone, 2,2 '-dimethoxy-2-phenyl acetophenone, p-methoxy-acetophenone, 2-methyl isophthalic acid-[4-(methylthio group) phenyl]-2-morpholinyl third-1-ketone, the acetophenones such as 2-benzyl-2-dimethylamino-1-(4-morpholino phenyl)-Ding-1-ketone, anthraquinone, the quinones such as 1,4-naphthoquinone, phenacyl chloride, trihalogenmethyl benzene sulfone, the halogen compounds such as three (trihalogenmethyl base)-s-triazine, acylphosphine oxide class, the superoxide etc. such as ditertiary butyl peroxide.
Above-mentioned photopolymerization monomer and polymerization starter can be used alone a kind separately, also can separately and use two or more.
< high boiling solvent >
As above-mentioned high boiling solvent, as long as can dissolved adhesive composition and by coating after drying process remove, such as can make spent glycol, dimethyl sulfoxide (DMSO), N-Methyl pyrrolidone, N-ethyl pyrrolidone, N-METHYLFORMAMIDE, methyl iso-butyl ketone (MIBK), 1,2-propylene glycol, DMA, cresols, oil of mirbane, ethylene glycol etc.
As long as the content of above-mentioned high boiling solvent is 0.1 ~ 30.0 quality % degree relative to electroconductibility coating composition total amount.
< low boiling point solvent >
As above-mentioned low boiling point solvent, such as, can use ethanol, methyl alcohol, n-propyl alcohol, Virahol, propyl carbinol, isopropylcarbinol, methyl ethyl ketone, tetrahydrofuran (THF), acetone, dioxan, ethyl acetate, chloroform, acetonitrile, pyridine, acetic acid, water etc.By using above-mentioned low boiling point solvent, improve above-mentioned chain Conductive inorganic dispersion of particles.
As long as the content of above-mentioned low boiling point solvent is 50.0 ~ 99.5 quality % degree relative to electroconductibility coating composition total amount.
< acid catalyst >
In transparent conductivity coating composition of the present utility model, normally used acid catalyst (hydrochloric acid, sulfuric acid, acetic acid, phosphoric acid etc.) can be added further.Thereby, it is possible to the more stable and transparent and electrically conductive film of high-quality of reproducibility forming property well.As long as the content of above-mentioned acid catalyst is 1.0 ~ 30.0 quality % degree relative to organoalkoxysilane total amount.
< flow agent >
Transparent conductivity coating composition of the present utility model can add flow agent further.Thereby, it is possible to guarantee the surface smoothness of transparent and electrically conductive film.As above-mentioned flow agent, such as, can use polyether-modified dimethyl siloxane, dipropylene glycol monomethyl ether etc.As long as the content of above-mentioned flow agent catalyzer is 0.01 ~ 5.0 quality % degree relative to electroconductibility coating composition total amount.
< modulation method >
As long as the modulation method of transparent conductivity coating composition of the present utility model can by above-mentioned each composition mixing, above-mentioned chain Conductive inorganic particle dispersion is just not particularly limited in above-mentioned tackiness agent and above-mentioned solvent, ball mill, sand mill, hand mill (picomill), paint conditioner (paintconditioner) etc. such as can be used to mix the mechanical treatment of medium, or use ultrasonic dispersing machine, clarifixator, dispersion machine and aeropulverizer etc. to mix above-mentioned each composition enforcement dispersion treatment, disperse.
About the transparent conductivity coating composition of the present utility model after above-mentioned modulation, the total amount (solids component amount) of preferred above-mentioned chain Conductive inorganic particle and above-mentioned tackiness agent is 0.5 ~ 20 quality % relative to total amount, and viscosity is 0.5 ~ 100mPaS.Thus, painting process during making transparent and electrically conductive film described later becomes easy.
(transparent and electrically conductive film)
Then, be described for transparent and electrically conductive film of the present utility model.
The feature of transparent and electrically conductive film of the present utility model is, uses above-mentioned transparent conductivity coating composition of the present utility model and is formed.Formed by using above-mentioned transparent conductivity coating composition, in above-mentioned transparent and electrically conductive film, can make that surface resistivity is 10 ~ 1000M Ω/, total light transmittance (according to JISK7105) is 95.0 ~ 99.9%, pencil hardness is 5 ~ 9H, thus the damage in manufacturing process can be prevented, can decrease in yield be prevented.
Particularly, by making above-mentioned surface resistivity be 10 ~ 1000M Ω/, anti-static function can be provided high and do not reduce the transparent and electrically conductive film of touch-control sensitivity.That is, in above-mentioned surface resistivity lower than touch-control sensitivity decrease during 10M Ω/, above-mentioned surface resistivity more than during 1000M Ω/ anti-static function reduce.
In addition, by using above-mentioned transparent conductivity coating composition to form transparent and electrically conductive film, transparent and electrically conductive film of the present utility model can be made to keep the surface resistivity after 500 hours to be 10 ~ 1000M Ω/ under the environment of temperature 65 DEG C, relative humidity 90%.
As long as transparent conductivity coating composition of the present utility model is coated on the substrate of display panels described later by transparent and electrically conductive film of the present utility model, after forming film, make above-mentioned dried coating film and formed.
As the coating process of above-mentioned transparent conductivity coating composition, as long as the coating process that can form level and smooth film is just not particularly limited.Such as can use the coating methods such as spin coating, roller coat, mould painting, airblade coating, blade coating, reverse coating, intaglio plate coating, the coating of nick version, or the print process such as intaglio printing, silk screen printing, offset printing, ink jet printing, the coating methods such as spraying, slot coated, dip-coating, but be preferably for the simplification of manufacturing installation or the favourable non-spin coating mode such as spraying, slot coated of manufacturing cost.
In addition, after being coated with above-mentioned transparent conductivity coating composition, remove solvent by drying, but also can make curing of coating to film irradiation UV light or EB light as required, form transparent and electrically conductive film.
There is no particular restriction for the thickness of transparent and electrically conductive film of the present utility model, as long as 10 ~ 300nm degree.
(contact panel function built-in Transverse electric-field type display panels)
Then, contact panel function built-in Transverse electric-field type display panels of the present utility model is described.
Contact panel function built-in Transverse electric-field type display panels of the present utility model possesses: liquid crystal layer, across above-mentioned liquid crystal layer the first transparency carrier opposite each other and the second transparency carrier, be configured at above-mentioned first transparency carrier with the transparent and electrically conductive film of above-mentioned liquid crystal layer opposite side, the display electrode being configured at the above-mentioned liquid crystal layer side of above-mentioned second transparency carrier, reference electrode and electric capacity line.In addition, the feature of contact panel function built-in Transverse electric-field type display panels of the present utility model is, uses above-mentioned transparent and electrically conductive film of the present utility model as above-mentioned transparent and electrically conductive film.
Contact panel function built-in Transverse electric-field type display panels of the present utility model, by possessing transparent and electrically conductive film of the present utility model, gives ESD function with can not reducing touch-control sensitivity.
Below, based on accompanying drawing, contact panel function built-in Transverse electric-field type display panels of the present utility model is described.Fig. 1 is the approximate vertical view that display uses a part for the liquid crystal indicator of contact panel function built-in Transverse electric-field type display panels of the present utility model.In addition, Fig. 2 is the summary section of a part for the liquid crystal indicator of the use contact panel function of the present utility model built-in Transverse electric-field type display panels that display is cut off with the A-B line of Fig. 1.
In Fig. 1, Fig. 2, liquid crystal indicator LPN possess by be configured to effective area (activearea) that rectangular multiple pixel PX form, liquid crystal layer LQ, the first transparency carrier 30 be oppositely disposed across liquid crystal layer LQ and the second transparency carrier 20 and be configured at the first transparency carrier 30 with the transparent and electrically conductive film 13 of liquid crystal layer LQ opposite side.In addition, be configured with sweep trace, the signal wire S vertical with sweep trace in the liquid crystal layer LQ side of the second transparency carrier 20, these sweep traces, signal wire S are connected to driving circuit.In addition, be configured with at the cross part of sweep trace and signal wire the switching element SW being connected to sweep trace and signal wire.
These sweep traces, signal wire S, switching element SW are covered by the first insulating film 23, and this first insulating film 23 is configured with reference electrode CE and electric capacity line C.This electric capacity line C and reference electrode CE forms.Electric capacity line C across and multiple pixel PX and being formed, form 1 group containing multiple pixel PX, and be connected with the driving circuit having testing circuit concurrently, described testing circuit is for detecting external detection object near to or in contact with liquid crystal indicator LPN.Such group exists multiple in effective area, by these groups, can determine the position of detected object thing the detection faces of liquid crystal indicator LPN (possessing the face of the side of the transparent and electrically conductive film 13 of the first transparency carrier 30).
On this reference electrode CE and electric capacity line C, there is across the second insulating film configuration the display electrode PE of slit PSL.This display electrode PE is connected with switching element SW with the contact hole of the second insulating film 24 by being arranged at the first insulating film 23.In addition, on display electrode PE, configure the first alignment films 25 and rubbed along prescribed direction.
In addition, the black matrix 31 distinguishing each pixel PX and the colored filter 32 corresponding with each pixel PX is possessed in the liquid crystal layer LQ side of the first transparency carrier 30.On these black matrixes 31 and colored filter 32, the external coating (EC) 33 of configuration planarization and the second alignment films 34 of this external coating (EC) 33 of covering.This second alignment films 34 is rubbed along prescribed direction.
This liquid crystal indicator LPN is by giving common potential to electric capacity line C and reference electrode CE, give pixel potential to display electrode PE, thus between reference electrode CE and display electrode PE, form transverse electric field or fringe field and the liquid crystal molecule of switchable liquid crystal layer LQ.
On the other hand, the contact panel function being built in this liquid crystal indicator LPN plays as follows.That is, make the state that display electrode PE becomes floating, controlling the driving circuit having testing circuit concurrently, inputting for detecting the detection signal of external detection object to replace common potential to electric capacity line C.In addition, control driving circuit to be pre-charged (precharge) each signal wire S.In this condition, when detected object thing comes close to or in contact with the first transparency carrier 30 outside, detected object thing is detected because the electrostatic capacitance between electric capacity line C and signal wire S changes.
Nesa coating 13 by the first transparency carrier with the interarea of liquid crystal layer LQ opposite side on be coated with and formed, and then be configured with Polarizer PL2 on nesa coating 13.In addition, Polarizer PL1 is configured with in the outside of the second transparency carrier 20.In addition, back light unit 15 (not shown) is configured with in the outside of Polarizer PL1.In addition, liquid crystal layer LQ is closed by sealing.
In addition, in FIG, G is gate line, and CSL is slit, and WG is gate electrode, and WD is drain electrode, and SC is semiconductor layer.In addition, in fig. 2, WS is source electrode, and 21 is gate insulating film, and 23 is insulating film.
Above-mentioned liquid crystal indicator LPN is the contact panel function built-in of the electric capacity line C possessed for detecting external detection object, therefore, it is possible to give the function of shielding for hindering from the electrostatic influence of device outside or inside or the electromagnetism of outside to liquid crystal indicator LPN, and also touch controllable function can be given.
In addition, in above-mentioned liquid crystal indicator LPN, when not possessing electric capacity line, namely, in the liquid crystal indicator of not built-in contact panel function, by configuring nesa coating 13 between the first transparency carrier 30 and Polarizer PL2, the function of shielding hindered for electromagnetism such as the electrostatic from device outside also can be given.
Embodiment
Below, the utility model is described in detail based on embodiment.But the utility model is not limited to following embodiment.In addition, so-called " part " refers to " mass parts " below
(embodiment 1)
< chain contains stannic oxide (ATO) the particle dispersion > of antimony
Prepare to wave catalyst day and change into " ELCOMV-3560 " of Inc. as chain ATO particle dispersion.Chain ATO particle dispersion " ELCOMV-3560 " is the mixed dispersion liquid of 20.8 parts, chain ATO particle, ethanol 70.0 parts and Virahol 9.2 parts.
Observe transmission type microscope (TEM) photo of chain ATO particle used in above-mentioned chain ATO particle dispersion by the nesa coating be coated on thinly on observation base material with the thickness of 2 ~ 10nm after coating fluid low boiling point solvent dilution described later.From above-mentioned transmission type microscope (TEM) photo, above-mentioned ATO particle is that the primary particle of 2 ~ 30nm connects the chain ATO particle (chain Conductive inorganic particle) formed by 2 ~ 50 particle diameters.
Then, as modulated coating fluid.But organoalkoxysilane uses the part of alcohol to dilute, and add water and catalyzer carries out silanolate in advance and uses.
< coating fluid >
In plastic bottle producing, put into above-mentioned chain ATO particle dispersion and following compositions with following deal and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 7.0 parts
(2) organoalkoxysilane (inorganic system tackiness agent: chemical industrial company of SHIN-ETSU HANTOTAI system " X40-2308 "): 0.6 part
(3) phosphoric acid (acid catalyst): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) dimethyl sulfoxide (DMSO) (high boiling solvent): 5.0 parts
(6) ethanol (low boiling point solvent): 82.2 parts
(7) water: 5.0 parts
The content of the non-volatile solids component (chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 2.2 quality %, and the content of chain ATO particle is 70.8 quality % relative to the total amount of chain ATO particle and organoalkoxysilane.In addition, the viscosity utilizing the above-mentioned coating fluid of TV25 type viscometer determining of Dong Ji industry companies is 1.7mPaS.
(embodiment 2)
In plastic bottle producing, with following deal put into embodiment 1 prepare chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 6.6 parts
(2) organoalkoxysilane (inorganic system tackiness agent: " X40-2308 " of chemical industrial company of SHIN-ETSU HANTOTAI): 0.5 part
(3) organoalkoxysilane (inorganic system tackiness agent: " tetraethyl silicate 28 " of COLCOAT Inc.): 0.4 part
(4) phosphoric acid (acid catalyst): 0.1 part
(5) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(6) dimethyl sulfoxide (DMSO) (high boiling solvent): 5.0 parts
(7) ethanol (low boiling point solvent): 82.3 parts
(8) water: 5.0 parts
The content of the non-volatile solids component (chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 2.4 quality %, and the content of chain ATO particle is 60.4 quality % relative to the total amount of chain ATO particle and organoalkoxysilane.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 1.7mPaS.
(embodiment 3)
In plastic bottle producing, with following deal put into embodiment 1 prepare chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 6.0 parts
(2) organoalkoxysilane (inorganic system tackiness agent: " X40-2308 " of chemical industrial company of SHIN-ETSU HANTOTAI): 1.6 parts
(3) phosphoric acid (acid catalyst): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) dimethyl sulfoxide (DMSO) (high boiling solvent): 5.0 parts
(6) ethanol (low boiling point solvent): 82.2 parts
(7) water: 5.0 parts
The content of the non-volatile solids component (chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 3.0 quality %, and the content of chain ATO particle is 43.8 quality % relative to the total amount of chain ATO particle and organoalkoxysilane.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 1.8mPaS.
(embodiment 4)
In plastic bottle producing, with following deal put into embodiment 1 prepare chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 7.4 parts
(2) organoalkoxysilane (inorganic system tackiness agent: " X40-2308 " of chemical industrial company of SHIN-ETSU HANTOTAI): 0.2 part
(3) phosphoric acid (acid catalyst): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) dimethyl sulfoxide (DMSO) (high boiling solvent): 5.0 parts
(6) ethanol (low boiling point solvent): 82.2 parts
(7) water: 5.0 parts
The content of the non-volatile solids component (chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 1.9 quality %, and the content of chain ATO particle is 88.5 quality % relative to the total amount of chain ATO particle and organoalkoxysilane.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 1.8mPaS.
(embodiment 5)
In plastic bottle producing, with following deal put into embodiment 1 prepare chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 7.0 parts
(2) organoalkoxysilane (inorganic system tackiness agent: " tetraethyl silicate 28 " of COLCOAT Inc.): 0.6 part
(3) phosphoric acid (acid catalyst): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) ethylene glycol (high boiling solvent): 5.0 parts
(6) Virahol (low boiling point solvent): 82.2 parts
(7) water: 5.0 parts
The content of the non-volatile solids component (chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 2.2 quality %, and the content of chain ATO particle is 70.8 quality % relative to the total amount of chain ATO particle and organoalkoxysilane.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 2.9mPaS.
(embodiment 6)
In plastic bottle producing, with following deal put into embodiment 1 prepare chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 6.6 parts
(2) organoalkoxysilane (inorganic system tackiness agent: " tetraethyl silicate 28 " of COLCOAT Inc.): 0.9 part
(3) phosphoric acid (acid catalyst): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) ethylene glycol (high boiling solvent): 5.0 parts
(6) Virahol (low boiling point solvent): 82.3 parts
(7) water: 5.0 parts
The content of the non-volatile solids component (chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 2.4 quality %, and the content of chain ATO particle is 60.4 quality % relative to the total amount of chain ATO particle and organoalkoxysilane.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 2.9mPaS.
(embodiment 7)
In plastic bottle producing, with following deal put into embodiment 1 prepare chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 7.0 parts
(2) acrylic resin (inorganic system tackiness agent: " DianalBR87 " of Li Yang Inc. of Mitsubishi): 0.6 part
(3) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(4) dimethyl sulfoxide (DMSO) (high boiling solvent): 10.0 parts
(5) methyl iso-butyl ketone (MIBK) (high boiling solvent): 30.0 parts
(6) different alcohol (low boiling point solvent): 52.3 parts
The content of the non-volatile solids component (chain ATO particle and acrylic resin) of above-mentioned coating fluid is 2.1 quality %, and the content of chain ATO particle is 70.8 quality % relative to the total amount of chain ATO particle and acrylic resin.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 2.1mPaS.
(embodiment 8)
In plastic bottle producing, with following deal put into embodiment 1 prepare chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 7.0 parts
(2) pentaerythritol triacrylate (organic system tackiness agent: " SR444 " of Japanese Satomer Inc.): 0.5 part
(3) 2-methyl isophthalic acid-[4-(methylthio group) phenyl]-2-morpholinyl third-1-ketone (polymerization starter: " Irgacure907 " of Japanese BASF AG): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) dimethyl sulfoxide (DMSO) (high boiling solvent): 10.0 parts
(6) methyl iso-butyl ketone (MIBK) (high boiling solvent): 30.0 parts
(7) different alcohol (low boiling point solvent): 52.3 parts
The content of the non-volatile solids component (chain ATO particle and tackiness agent) of above-mentioned coating fluid is 2.1 quality %, and the content of chain ATO particle is 70.8 quality % relative to the total amount of chain ATO particle and tackiness agent.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 2.3mPaS.
(comparative example 1)
The non-chain of < contains stannic oxide (ATO) the particle dispersion > of antimony
In plastic bottle producing, weigh following compositions, use the zirconium oxide bead of diameter 0.3mm, after disperseing 2 hours with mould wash mixer (Toyo Seiki Inc.), remove zirconium oxide bead, utilize separating centrifuge with the pelleted by centrifugation process 30 minutes of 14000G, get its upper clear liquid and carry out stage treatment, obtain non-chain ATO particle dispersion.
(1) non-chain ATO particle (stone originates in " SN100P " of industry Inc.): 20.8 parts
(2) dispersion agent (" BYK180 " of Japanese BYK Inc.): 2.0 parts
(3) isopropylcarbinol: 77.2 parts
According to, as modulated coating fluid.
< coating fluid >
In plastic bottle producing, put into above-mentioned non-chain ATO particle dispersion and following compositions with following deal and stir and modulate coating fluid.
(1) non-chain ATO particle dispersion: 7.0 parts
(2) organoalkoxysilane (inorganic system tackiness agent: chemical industrial company of SHIN-ETSU HANTOTAI system " X40-2308 "): 0.6 part
(3) phosphoric acid (acid catalyst): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) dimethyl sulfoxide (DMSO) (high boiling solvent): 5.0 parts
(6) ethanol (low boiling point solvent): 82.2 parts
(7) water: 5.0 parts
The content of the non-volatile solids component (non-chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 2.2 quality %, and the content of non-chain ATO particle is 70.8 quality % relative to the total amount of non-chain ATO particle and organoalkoxysilane.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 1.5mPaS.
(comparative example 2)
In plastic bottle producing, with following deal put into comparative example 1 prepare non-chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) non-chain ATO particle dispersion: 24.0 parts
(2) organoalkoxysilane (inorganic system tackiness agent: chemical industrial company of SHIN-ETSU HANTOTAI system " X40-2308 "): 0.6 part
(3) phosphoric acid (acid catalyst): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) dimethyl sulfoxide (DMSO) (high boiling solvent): 5.0 parts
(6) ethanol (low boiling point solvent): 65.2 parts
(7) water: 5.0 parts
The content of the non-volatile solids component (non-chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 5.7 quality %, and the content of non-chain ATO particle is 89.3 quality % relative to the total amount of non-chain ATO particle and organoalkoxysilane.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 1.6mPaS.
(comparative example 3)
In plastic bottle producing, with following deal put into embodiment 1 prepare chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 1.5 parts
(2) organoalkoxysilane (inorganic system tackiness agent: chemical industrial company of SHIN-ETSU HANTOTAI system " X40-2308 "): 0.6 part
(3) phosphoric acid (acid catalyst): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) dimethyl sulfoxide (DMSO) (high boiling solvent): 5.0 parts
(6) ethanol (low boiling point solvent): 87.7 parts
(7) water: 5.0 parts
The content of the non-volatile solids component (chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 1.0 quality %, and the content of chain ATO particle is 34.2 quality % relative to the total amount of chain ATO particle and organoalkoxysilane.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 1.4mPaS.
(comparative example 4)
In plastic bottle producing, with following deal put into embodiment 1 prepare chain ATO particle dispersion and following compositions and stir and modulate coating fluid.
(1) chain ATO particle dispersion: 35.0 parts
(2) organoalkoxysilane (inorganic system tackiness agent: chemical industrial company of SHIN-ETSU HANTOTAI system " X40-2308 "): 0.6 part
(3) phosphoric acid (acid catalyst): 0.1 part
(4) mixed solution (flow agent: Japanese BYK chemical company system " BYK-337 ") of polyether-modified polydimethylsiloxane 15.0 parts and dipropylene glycol monomethyl ether 85.0 parts: 0.1 part
(5) dimethyl sulfoxide (DMSO) (high boiling solvent): 5.0 parts
(6) ethanol (low boiling point solvent): 54.2 parts
(7) water: 5.0 parts
The content of the non-volatile solids component (chain ATO particle and organoalkoxysilane) of above-mentioned coating fluid is 8.0 quality %, and the content of chain ATO particle is 92.4 quality % relative to the total amount of chain ATO particle and organoalkoxysilane.In addition, the viscosity measuring above-mentioned coating fluid in the same manner as EXAMPLE l is 7.3mPaS.
(evaluation of transparent and electrically conductive film)
Use the coating fluid of embodiment 1 ~ 7 and comparative example 1 ~ 4, the sheet glass of long 10cm, wide 10cm, thick 0.7mm sprays.Spray gun uses the pulse nebulization technique device (PulseSprayer) of NORDSON Inc., pin hole aperture is set to 0.15mm, to spray the mode rearrange liquids extrusion pressure that liquid measure is 0.80g/ minute.The distance of spray gun and substrate is set to 100mm, and surface covered is set to 600mm per second, and overlapping spacing is set to 8mm, and the pressure of atomizing gas and rotational flow gas (swirlair) is set to 0.05MPa.In addition, surface covered is set to 20cm
2, be coated with in the mode of coated face in the central authorities of substrate.Utilize the drying machine of 120 DEG C by obtained dried coating film 1 hour, form the transparent and electrically conductive film of embodiment 1 ~ 7 and comparative example 1 ~ 4.
In addition, in the case of example 8, as described above, utilize spraying machine by after the coating solution of embodiment 8 is on glass substrate, after 5 minutes, utilize high pressure mercury vapour lamp with 300mJ/cm 80 DEG C of dryings
2light quantity irradiation ultraviolet radiation and after making it solidify, form the transparent and electrically conductive film of embodiment 8.
Then, the thickness of above-mentioned each transparent and electrically conductive film, surface resistivity, total light transmittance and pencil hardness is measured as follows.
< thickness >
Transparent and electrically conductive film is cut off to each glass substrate, utilizes scanning electron microscope (SEM, " S-4500 " of Inc. of Hitachi) to observe section, and measure thickness.
< surface resistivity >
Use surface resistivity meter (" HirestaMCP-HT450 " that Mitsubishi Chemical Ind manufactures applies voltage 10V), measure the surface resistivity of transparent and electrically conductive film, it can be used as common surface resistivity.
In addition, measure by the glass substrate with transparent and electrically conductive film temperature 65 DEG C as described above, keep the surface resistivity of the transparent and electrically conductive film after 500 hours under the environment of relative humidity 90%, it can be used as the surface resistivity after high temperature and humidity test.
< total light transmittance >
First, the total light transmittance of luminance meter " HazemeterNDH2000 " mensuration with the glass substrate of transparent and electrically conductive film of Japanese electricity Se industrial is used.Numerical value only shows the value of film.
< pencil hardness >
The superficiality trier " HEIDON-14DR " of new eastern scientific company is used to measure the pencil hardness of transparent and electrically conductive film.
Above measurement result is shown in table 1 together with the content of the ATO particle in transparent and electrically conductive film.
[table 1]
(evaluation of liquid crystal indicator)
Make the liquid crystal indicator that sufficient cun of drawing is 4 inches, the total thickness of liquid crystal indicator is the formation shown in Fig. 1, Fig. 2 of 1mm.
Use spraying machine, under condition similar to the above, be equivalent to the first transparency carrier upper glass substrate with the interarea of liquid crystal layer opposite side on be coated with above-mentioned coating fluid after, utilize the drying machine of 120 DEG C dry 1 hour, thus form transparent and electrically conductive film.Then, after utilizing silver paste (Teng Cang changes into " DotiteD-362 " of Inc.) grounding wire to be installed on the end of this transparent and electrically conductive film, transparent and electrically conductive film pastes Polarizer.In addition, display electrode and reference electrode are installed, the backlight side being equivalent to the lower glass substrate of the second transparency carrier of built-in touch-control perceptional function layer pastes Polarizer.
According to, following touch-control sensitivity and static discharge (ESD) property confirming above-mentioned each liquid crystal indicator.
< touch-control sensitivity >
With the above-mentioned liquid crystal indicator of finger touch, confirm touch-control sensitivity.The average evaluation responded to finger touch is A by its result, and touching responseless average evaluation to finger is B.
In addition, measure the touch-control sensitivity glass substrate with transparent and electrically conductive film being kept under the environment of temperature 65 DEG C, relative humidity 90% transparent and electrically conductive film after 500 hours as described above, it can be used as the touch-control sensitivity after high temperature and humidity test.
< ESD >
From lower glass substrate side by backlight illumination light, confirm above-mentioned liquid crystal indicator without under switch-on regime for after black display, utilize electrostatic bringing device, with voltage ± 12kV, electrostatic is put on upper glass substrate.Then, after the ground connection of transparent and electrically conductive film, confirm the display without switch-on regime with visual observation.Its result, the average evaluation above-mentioned liquid crystal indicator being maintained black display is A, sees stay white average evaluation to be B because of light leak.
In addition, measure the ESD glass substrate with transparent and electrically conductive film being kept under the environment of temperature 65 DEG C, relative humidity 90% transparent and electrically conductive film after 500 hours as described above, it can be used as the ESD after high temperature and humidity test.
The above results are shown in table 2.
[table 2]
As shown in Table 2, the common surface resistivity of the transparent and electrically conductive film using coating fluid of the present utility model to make is 10 ~ 1000M Ω/, total light transmittance is 95.0 ~ 99.9%, pencil hardness is 5 ~ 9H, surface resistivity after high temperature and humidity test is 10 ~ 1000M Ω/, and known electrical characteristic, optical characteristics, hardness and weather resistance are high.In addition, known possess the liquid crystal indicator of the transparent and electrically conductive film using coating fluid of the present utility model to make touch-control sensitivity and ESD all excellent.
Known on the other hand, use the surface resistivity after the common surface resistivity of the transparent and electrically conductive film of the comparative example 1 do not made containing the coating fluid of chain ATO particle and high temperature and humidity test all high, pencil hardness is also little.Known in addition, the ESD possessing the liquid crystal indicator of the transparent and electrically conductive film of comparative example 1 is poor.
In addition known, use the surface resistivity after the high temperature and humidity test of the transparent and electrically conductive film of the comparative example 2 do not made containing the coating fluid of chain ATO particle high, transmittance is low, and pencil hardness is also little.
Known, the common surface resistivity of the transparent and electrically conductive film of the comparative example 3 using the content of chain ATO particle to make lower than the coating fluid of 40 quality % is high.Known in addition, the ESD possessing the liquid crystal indicator of the transparent and electrically conductive film of comparative example 3 is poor.
Known, the surface resistivity after common decline surface resistance and the high temperature and humidity test of the transparent and electrically conductive film of the comparative example 4 using the content of chain ATO particle to make more than the coating fluid of 90 quality % is low, and pencil hardness is also little.Known in addition, possess the touch-control poor sensitivity of the liquid crystal indicator of the transparent and electrically conductive film of comparative example 4.
Nomenclature
LPN: liquid crystal indicator
LQ: liquid crystal layer
30: the first transparency carriers
20: the second transparency carriers
13: transparent and electrically conductive film
PE: display electrode
CE: reference electrode
C: electric capacity line
Claims (3)
1. a contact panel function built-in Transverse electric-field type display panels, it possess liquid crystal layer, across described liquid crystal layer the first transparency carrier opposite each other and the second transparency carrier, be configured at described first transparency carrier with described liquid crystal layer opposite side and the display electrode comprising the transparent and electrically conductive film of tackiness agent and chain electroconductive particle, the reference electrode being configured at the described liquid crystal layer side of described second transparency carrier and electric capacity line and be oppositely disposed across insulating film and described reference electrode.
2. contact panel function built-in Transverse electric-field type display panels as claimed in claim 1, it possesses, and surface resistivity is 10 ~ 1000M Ω/, total light transmittance is 95.0 ~ 99.9%, pencil hardness is the transparent and electrically conductive film of 5-9H.
3. contact panel function built-in Transverse electric-field type display panels as claimed in claim 1, it possesses the transparent and electrically conductive film that thickness is 10 ~ 300nm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013052264A JP2014177552A (en) | 2013-03-14 | 2013-03-14 | Transparent electroconductive coating composition, transparent electroconductive film, and touch panel function-internalized horizontal electric field-style liquid crystal display panel |
| JP2013-052264 | 2013-03-14 | ||
| PCT/JP2014/056331 WO2014142121A1 (en) | 2013-03-14 | 2014-03-11 | Transparent conductive coating composition, transparent conductive film, and in-plane switching liquid crystal display panel with built-in touch panel function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204981727U true CN204981727U (en) | 2016-01-20 |
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ID=51536775
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201490000472.0U Expired - Lifetime CN204981727U (en) | 2013-03-14 | 2014-03-11 | Built -in type transverse electric field mode liquid crystal display panel of touch panel function |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2014177552A (en) |
| CN (1) | CN204981727U (en) |
| TW (3) | TWI632211B (en) |
| WO (1) | WO2014142121A1 (en) |
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| CN109416493A (en) * | 2016-07-06 | 2019-03-01 | 夏普株式会社 | Display device with touch panel |
| CN109582184A (en) * | 2017-09-29 | 2019-04-05 | 麦克赛尔控股株式会社 | Coating composition, conductive film, touch panel and manufacturing method |
| CN111051448A (en) * | 2018-03-15 | 2020-04-21 | 麦克赛尔控股株式会社 | Coating composition, conductive film and liquid crystal display panel |
| CN113462219A (en) * | 2020-03-31 | 2021-10-01 | 日挥触媒化成株式会社 | Coating liquid for forming conductive film |
| CN113661439A (en) * | 2019-03-05 | 2021-11-16 | 日东电工株式会社 | Liquid crystal display device with touch sensing function built-in and method for manufacturing the same |
| CN113748374A (en) * | 2019-06-28 | 2021-12-03 | 日东电工株式会社 | Polarizing film with adhesive layer and liquid crystal panel |
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| JP2017037760A (en) * | 2015-08-07 | 2017-02-16 | 日立マクセル株式会社 | Transparent conductive substrate, method of manufacturing the same, and touch panel using the same |
| CN105242809A (en) | 2015-10-21 | 2016-01-13 | 江西沃格光电股份有限公司 | Touch display device and preparation method thereof |
| JP6690968B2 (en) * | 2016-03-14 | 2020-04-28 | マクセルホールディングス株式会社 | Method for manufacturing transparent conductive substrate and lateral electric field type liquid crystal display panel with built-in touch panel function |
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| TWI658474B (en) * | 2018-01-17 | 2019-05-01 | 友達光電股份有限公司 | Manufacturing method of transparent conductive layer and display panel |
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| JPH08302246A (en) * | 1995-05-09 | 1996-11-19 | Sumitomo Osaka Cement Co Ltd | Coating for forming transparent membrane having high electroconductivity and high membrane strength, formation of transparent membrane having high electroconductivity and membrane, strength, and cathode ray tube |
| JPH0931238A (en) * | 1995-07-20 | 1997-02-04 | Mitsubishi Materials Corp | Electroconductive dispersion, electroconductive coating material and their production |
| JP4522505B2 (en) * | 1998-12-28 | 2010-08-11 | 日揮触媒化成株式会社 | Transparent conductive film-forming coating liquid, transparent conductive film-coated substrate, and display device |
| JP2002003746A (en) * | 2000-06-16 | 2002-01-09 | Sumitomo Osaka Cement Co Ltd | Coating for forming transparent electroconductive film, transparent electroconductive film and display device |
| JP4479161B2 (en) * | 2002-03-25 | 2010-06-09 | 住友金属鉱山株式会社 | Transparent conductive film, coating liquid for forming transparent conductive film, transparent conductive laminated structure, and display device |
| JP4225156B2 (en) * | 2003-08-07 | 2009-02-18 | 住友金属鉱山株式会社 | Transparent conductive film forming coating liquid, transparent conductive film and display device |
| JP4592274B2 (en) * | 2003-10-17 | 2010-12-01 | 日揮触媒化成株式会社 | Antimony oxide-coated silica fine particles, method for producing the fine particles, and coated substrate containing the fine particles |
| JP4439876B2 (en) * | 2003-11-06 | 2010-03-24 | 日揮触媒化成株式会社 | Chain antimony oxide fine particles, method for producing the fine particle dispersion and use thereof |
| JP5096666B2 (en) * | 2005-06-06 | 2012-12-12 | 日揮触媒化成株式会社 | Method for producing chain conductive oxide fine particles, chain conductive oxide fine particles, transparent conductive film-forming coating material, and substrate with transparent conductive film |
| JP2008185934A (en) * | 2007-01-31 | 2008-08-14 | Seiko Instruments Inc | Liquid crystal display device |
| KR20100009473A (en) * | 2008-07-18 | 2010-01-27 | 주식회사 엘지화학 | Polarizer and liquid crystal display |
| JP5584404B2 (en) * | 2008-10-22 | 2014-09-03 | 住友大阪セメント株式会社 | LIQUID CRYSTAL PANEL, ITS MANUFACTURING METHOD, AND ANTISTATIC FILM FORMING COATING AND IMAGE DISPLAY |
| JP5534758B2 (en) * | 2009-09-17 | 2014-07-02 | 日揮触媒化成株式会社 | Phosphorus-containing antimony pentoxide fine particles, a transparent conductive film-forming coating solution containing the fine particles, and a substrate with a transparent conductive film |
| TW201135312A (en) * | 2010-04-13 | 2011-10-16 | Morgan Touch Technology Co Ltd | Liquid crystal panel and liquid crystal display |
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2013
- 2013-03-14 JP JP2013052264A patent/JP2014177552A/en active Pending
-
2014
- 2014-03-06 TW TW105143617A patent/TWI632211B/en active
- 2014-03-06 TW TW105143614A patent/TWI632210B/en active
- 2014-03-06 TW TW103107663A patent/TWI575039B/en active
- 2014-03-11 WO PCT/JP2014/056331 patent/WO2014142121A1/en active Application Filing
- 2014-03-11 CN CN201490000472.0U patent/CN204981727U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109416493A (en) * | 2016-07-06 | 2019-03-01 | 夏普株式会社 | Display device with touch panel |
| CN109582184A (en) * | 2017-09-29 | 2019-04-05 | 麦克赛尔控股株式会社 | Coating composition, conductive film, touch panel and manufacturing method |
| CN111051448A (en) * | 2018-03-15 | 2020-04-21 | 麦克赛尔控股株式会社 | Coating composition, conductive film and liquid crystal display panel |
| CN111051448B (en) * | 2018-03-15 | 2022-05-13 | 麦克赛尔株式会社 | Coating composition, conductive film and liquid crystal display panel |
| CN113661439A (en) * | 2019-03-05 | 2021-11-16 | 日东电工株式会社 | Liquid crystal display device with touch sensing function built-in and method for manufacturing the same |
| CN113748374A (en) * | 2019-06-28 | 2021-12-03 | 日东电工株式会社 | Polarizing film with adhesive layer and liquid crystal panel |
| CN113462219A (en) * | 2020-03-31 | 2021-10-01 | 日挥触媒化成株式会社 | Coating liquid for forming conductive film |
| CN113462219B (en) * | 2020-03-31 | 2024-03-12 | 日挥触媒化成株式会社 | Coating liquid for forming conductive film |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014142121A1 (en) | 2014-09-18 |
| TW201443177A (en) | 2014-11-16 |
| TW201713732A (en) | 2017-04-16 |
| TWI632210B (en) | 2018-08-11 |
| TW201713733A (en) | 2017-04-16 |
| JP2014177552A (en) | 2014-09-25 |
| TWI575039B (en) | 2017-03-21 |
| TWI632211B (en) | 2018-08-11 |
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Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
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Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |
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