CN101470216A - Anti-dazzle film and anti-dazzle masking liquid composition - Google Patents
Anti-dazzle film and anti-dazzle masking liquid composition Download PDFInfo
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- CN101470216A CN101470216A CNA2007103070862A CN200710307086A CN101470216A CN 101470216 A CN101470216 A CN 101470216A CN A2007103070862 A CNA2007103070862 A CN A2007103070862A CN 200710307086 A CN200710307086 A CN 200710307086A CN 101470216 A CN101470216 A CN 101470216A
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Abstract
The invention relates to a glare resistance film, comprising a cured transparent resin layer and transparent hollow particles which are distributed in the transparent resin layer and exposed partly, while the ratio of inner diameter to outer diameter of the hollow particle is 0.1 to 0.9, the ratio between the outer diameter of the hollow particle and the thickness of the transparent resin layer is 0.15 to 1, and the hollow particle has different refractive index from the transparent resin layer. The hollow particles are partly exposed on the surface of the transparent resin layer and have hollow structure, and therefore, the optical film has excellent glare resistance performance.
Description
Technical field
The present invention relates to a kind of anti-dazzle film and reach in order to make the anti-dazzle masking liquid composition of this anti-dazzle film, it can reduce the dazzling and dazzle that produces because of light.
Background technology
Being applied to the outermost Polarizer of display mainly is by two Triafol T (triacetyl cellulose, TAC) sandwich polyvinyl alcohol (PVA) (polyvinyl alcohol, PVA) simple structure constitutes, and the surface treatment of doing a little optics on the triacetate fiber of being everlasting strengthens its rerum natura or additional other optical function, and is common as hard plated film, anti-dazzle film and anti-reflective film etc.Wherein, anti-dazzle film is that some particulates of distribution reach the anti-dizzy function with extinction effect in hard plated film.
Anti-dazzle film, or can be described as anti-dizzy optical film, as shown in Figure 1, known anti-dazzle film 12 generally is transparent particles 14 to be scattered in the transparent resin 16 resultant, and the practice is a transparent resin 16 that refractive index is suitable with after transparent particles 14 is mixed mutually, through coating on the base material 10, obtain optical thin film 12 after the curing, the particle of this film partly exposes to the concavo-convex fluctuating that the surface is caused on the surface, causes light 18 to produce surface scattering and refraction, reaches anti-dizzy effect.Disclosed in Japanese kokai publication hei 6-18706 number, to contain silica granules (silica particles) blending and in resin, coat the transparent base surface together, cause concave-convex surface to rise and fall, the particulate that utilizes the surface height to rise and fall reaches anti-dizzy effect with the light diffusion.But this method only has the diffusion of extraneous light, and is also not obvious at the effect of material internal light diffusion.Therefore develop again and to utilize two kinds to vary in size and particle that refractive index is different, be made into the anti-dazzle film that has internal divergence and outside diffusion simultaneously according to different ratios.The United States Patent (USP) the 6th of company of Dai Nippon Printing for example; 217; disclosed in 176 B1 numbers; with the transparent particulate blending of two kinds of different refractivities in resin; two transparent particulates to each other specific refractivity and the specific refractivity difference of resin between 0.03 to 0.2, the size distribution of transparent particulate is about 1 to 5 μ m.
Anti-dazzle film can be applicable to need to reduce surface dazzling and dazzle, and therefore display surface or the like for example, still has its needs for the anti-dazzle film of better effects if.
Summary of the invention
The purpose of this invention is to provide a kind of anti-dazzle film, and can be in order to make a kind of anti-dazzle masking liquid composition of this anti-dazzle film.This anti-dazzle film can increase the delustring degree of light and improve anti-dizzy effect.
Anti-dazzle film according to the present invention comprises the translucent resin layer through solidifying, and a kind of hollow particle with light transmission, wherein, hollow particle is distributed in the translucent resin layer and part exposes, the internal diameter of hollow particle to the ratio of external diameter in 0.1 to 0.9 scope, in 0.15 to 1 scope, and hollow particle and translucent resin layer refractive index are inequality to the ratio of the thickness of translucent resin layer for the external diameter of hollow particle.
According to anti-dazzle film of the present invention, wherein, described hollow particle comprises organic resin or inorganic oxide.Described hollow particle comprise the multipolymer that is selected from acryl system, polystyrene, acryl and polystyrene, polycarbonate, with the inorganic silicon oxide in a kind of.The particle diameter of described hollow particle is in 1 to 10 micron scope.Described hollow particle is spherical.Described hollow particle has level and smooth surface.Described hollow particle has coarse surface.Described hollow particle has porous surface.The center of described hollow particle is gas, air or vacuum.
According to anti-dazzle film of the present invention, wherein, described translucent resin layer through solidifying is 100 weight portions, and described hollow particle is 0.3 to 20 weight portion.
According to anti-dazzle film of the present invention, wherein, described translucent resin layer through solidifying comprises the translucent resin layer through ultraviolet curing.
According to anti-dazzle film of the present invention, wherein, described translucent resin layer through solidifying comprise vibrin with acrylic-functional, polyether resin, acryl resin, epoxy resin, amido formate resin, alkyd resin, volution acetal resin, polymercaptan polyene (polythiol-polyene) resin, and polybutadiene in a kind of.
But anti-dazzle masking liquid composition according to the present invention comprises the translucent resin that a kind of irradiation of 100 weight portions solidifies; 0.5 to a kind of hollow particle with light transmission of 20 weight portions, wherein, in 0.1 to 0.9 scope, and hollow particle is inequality with the translucent resin refractive index behind overcuring to the ratio of external diameter for the internal diameter of hollow particle; And solvent, its amount is to make anti-dazzle masking liquid composition have 5 to 100 centipoises (centipoise, viscosity CPS).
According to anti-dazzle masking liquid composition of the present invention, wherein, described hollow particle comprises organic resin or inorganic oxide.
According to anti-dazzle masking liquid composition of the present invention, wherein, described hollow particle comprise the multipolymer that is selected from acryl system, polystyrene, acryl and polystyrene, polycarbonate, with the inorganic silicon oxide in a kind of.
According to anti-dazzle masking liquid composition of the present invention, wherein, the particle diameter of described hollow particle is in 1 to 10 micron scope.
According to anti-dazzle masking liquid composition of the present invention, wherein, described hollow particle is spherical.
According to anti-dazzle masking liquid composition of the present invention, wherein, described hollow particle has level and smooth surface.
According to anti-dazzle masking liquid composition of the present invention, wherein, described hollow particle has coarse surface.
According to anti-dazzle masking liquid composition of the present invention, wherein, described hollow particle has porous surface.
According to anti-dazzle masking liquid composition of the present invention, wherein, the center of described hollow particle is gas, air or vacuum.
According to anti-dazzle masking liquid composition of the present invention, wherein, but comprise can be through the translucent resin of ultraviolet curing for the translucent resin that described irradiation solidifies.
According to anti-dazzle masking liquid composition of the present invention, wherein, but the translucent resin that described irradiation solidifies comprise vibrin with acrylic-functional, polyether resin, acryl resin, epoxy resin, amido formate resin, alkyd resin, volution acetal resin, polymercaptan polyene (polythiol-polyene) resin, and polybutadiene in a kind of.
Compared with prior art, the present invention is doped in a kind of hollow-particle in the middle of the transparent resin, and part exposes, and utilizes hollow particle itself to coat air, other gas or vacuum in inside, has refractive index difference with cladding material, to cause light repeatedly to reflect, promote the light diffusion, increase anti-dizzy effect, therefore, the use amount of hollow-particle is few relatively, can more effective reduction because of dazzling and dazzle that light produced.Anti-dazzle film of the present invention for example can be used in computing machine, TV, automobile with various display surfaces such as instruments, but is not limited thereto.
Description of drawings
Fig. 1 is the diagrammatic cross-section of known anti-dazzle film.
Fig. 2 is the diagrammatic cross-section according to anti-dazzle film of the present invention.
The synoptic diagram of Fig. 3 for carrying out according to light in the anti-dazzle film of the present invention.
Fig. 4 is the test data table according to the result of embodiments of the invention and comparative example gained.
Embodiment
Anti-dazzle film according to the present invention comprises translucent resin layer and a kind of hollow particle with light transmission through solidifying.Fig. 2 shows the specific embodiment according to anti-dazzle film of the present invention.Anti-dazzle film 22 covering substrates 20.Anti-dazzle film 22 comprises hollow particle 24 and resin bed 28.Hollow particle 24 is micron-sized particle or particulate, and distribute (preferably evenly distributing) exposes in resin bed 28 and partly.Hollow particle 24 tool light transmissions, it comprises housing 25 and hollow space 26.Therefore, hollow particle 24 has internal diameter and external diameter, its internal diameter to the ratio (inner/outer diameter) of external diameter in 0.1 to 0.9 scope, more preferably in 0.2 to 0.85 scope.The external diameter of hollow particle 25 to the ratio of the thickness of resin bed 28 in 0.15 to 1 scope, more preferably in 0.2 to 1 scope.Too thin housing is if undercapacity easily breaks when processing or operation; Then repeatedly the function of refraction can be not remarkable for blocked up housing; The housing of suitable thickness has better refraction effect in general.Resin bed 28 has light transmission.In the present invention, the refractive index of hollow particle and resin bed is also inequality, can differ for example more than 0.02, more preferably between 0.003 to 0.2, to cause refraction at the interface, the diffusion effect of promotion light.
According to the hollow particle in the composition of anti-dazzle film of the present invention, or can be described as hollow minute particle, it is a spheroid, and the surface can be level and smooth, coarse or porous matter.If the spheroid of porous matter makes its specific surface area at least greater than 100g/m
2More than, can help more being scattered in the transparent resin layer.The external diameter of hollow particle can be for example 1 to 10 micron, is preferably 1 to 5 micron, and then internal diameter can be for example 0.1 to 9 micron, is preferably 0.15 to 4.5 micron.The material of housing can be organic resin or inorganic oxide, and for example: acryl is the copolymer analog resin, polycarbonate resin of resin, polystyrene resins, acryl and polystyrene, with the inorganic silicon oxide etc.The hollow space center of hollow particle (or be called) can be air or other gas or vacuum, is not particularly limited.
Translucent resin layer according in the anti-dazzle film composition of the present invention can be general being coated with firmly (hard coating) layer, for example ultraviolet (UV light) curable transparent resin, and its composition preferably has acrylic ester functional group.For example: vibrin, polyether resin, acryl resin, epoxy resin, amido formate resin, alkyd resin, volution acetal resin, polymercaptan polyene (polythiol-polyene) resin, polybutadiene with lower molecular weight of acrylic ester functional group.
In anti-dazzle film of the present invention, there is no particular restriction with the content of hollow particle for the translucent resin layer through solidifying, and believing can have the dizzy effect of resisting so long as be scattered with hollow particle in the translucent resin layer through solidifying.In addition, the content of hollow particle is also decided by the haze value that its material category, character, particle diameter, interior external diameter and institute's desire obtain, generally be applied to anti-glare possible haze value scope and be about 3 to 90, so the content of the hollow particle haze value that can obtain according to desire and deciding.Haply, be that 100 weight portions are benchmark with translucent resin layer through solidifying, can use 0.3 to 20 weight portion, 0.5 to 15 weight portion and most preferably be the hollow particle of 1 to 10 weight portion more preferably, but be not limited to this.
Anti-dazzle film according to the present invention can be applicable to many base materials, so that anti-dizzy function to be provided.Particularly can be applicable to have the organic substrate of high transparent, for example: TAC, polyethylene terephthalate (PET), diacetylene cellulose, cellulose acetate-butyrate (cellulose acetatebutyrate), polyethersulfone, polyacrylic resin, polyurethane are resin, polyester, polycarbonate polysulfones, polyethers, poly-methyl valeryl, polyetherketone, polymethacrylonitrile etc., can be the form of membraneous material, for example thickness be the film of 25 μ m to 300 μ m.
When light is incident to according to anti-dazzle film of the present invention, is exposed to outside part hollow particle and light scatter externally can be caused diffusion phenomena.And enter the light of anti-dazzle film inside, and comprise the light that enters anti-dazzle film inside via base material, can by hollow minute particle the phenomenon of multiple refraction take place because of light, and make light that the phenomenon of diffusion be arranged in resin bed inside.The light for example shown in Figure 3 synoptic diagram of advancing, light 30 and 32 is injected resin bed 28 by base material respectively, and light 30 runs into hollow particle 24, through the housing 25 of hollow particle, hollow space 26, again through the repeatedly refraction of a housing 25, with large angle scattering, diffuse to external environment condition at last.Light 32 does not run into hollow particle, and directly via the refraction of resin bed 28, enters external environment condition.Light 31 is injected hollow particle 24 by external environment condition, at the interface of hollow particle and external environment condition and the reflection that produces different angles of the interface of hollow particle inside.Therefore, anti-dazzle film of the present invention uses hollow minute particle, and the effect of extraneous light and internal light diffusion can be provided simultaneously.And, only need micro-interpolation can reach good anti-dizzy effect.
Anti-dazzle film according to the present invention can be fitted in base material with the state of cured film, to reach anti-dizzy effect; Maybe can utilize the mode of coating,, be coated on the base material, through being solidified to form anti-dazzle film of the present invention, to reach anti-dizzy effect with the masking liquid that makes in advance.This masking liquid that makes in advance is anti-dazzle masking liquid composition, is another aspect of the present invention, and it is a potpourri, but comprises the translucent resin that solidifies as above-mentioned irradiation, as the above-mentioned hollow particle with light transmission, and solvent.
Same as above, but the hollow particle of light transmission can be decided according to the haze value of material category, character, particle diameter, interior external diameter and institute's desire acquisition with the amount of the translucent resin of irradiation curing.Wherein but preferred range can be the translucent resin that the irradiation that for example uses 100 weight portions solidifies, and uses 0.3 to 20 weight portion, 0.5 to 15 weight portion and most preferably be the hollow particle with light transmission of 1 to 10 weight portion more preferably.The amount of solvent is preferably and makes anti-dazzle masking liquid composition integral body can have the required amount of viscosity of 5 to 100 centipoises, in order to the convenience of implementing coating.After anti-dazzle masking liquid composition is coated on base material, translucent resin is solidified, promptly get as above-mentioned translucent resin layer through solidifying through irradiation.Employed solvent preferably has volatility, in coating masking liquid and solidification process, can remove via volatilization.Its for example can be methyl ethyl ketone (methyl ethyl ketone, MEK), toluene (toluene) or ethyl acetate (ethyl acetate).
Below, especially exemplified by some embodiment with explanation according to the method for making of anti-dazzle film of the present invention, and compare with comparative example.
Embodiment:
Embodiment 1
Ultraviolet light photopolymerization resin B-500SF (trade name with 100 weight portions, Japan Xin Zhong village chemical company makes), become the masking liquid of solid content about 80% with the MEK solvent dilution, and add the silica-based hollow-particle (the about 3.5 μ m of its mean grain size) of 3 weight portions, dispersed with stirring is in above-mentioned resin, promptly obtain anti-dazzle masking liquid, viscosity is 14～18CPS.This anti-dazzle masking liquid is coated on the TAC transparent base (manufacturing of Japanese fuji description company) of thickness 80 μ m.Place 80 ℃ of circulation baking ovens then dry about 1 minute, and be about 540mJ/cm through energy afterwards
2Ultraviolet ray irradiation after, promptly make according to anti-dazzle film of the present invention.
Ultraviolet light photopolymerization resin B-the 500SF of 100 weight portions is become the masking liquid of solid content about 80% with the MEK solvent dilution, and the acryl that adds 2 weight portions is hollow-particle (its mean grain size is about 7 to 8 μ m), dispersed with stirring promptly obtains anti-dazzle masking liquid in above-mentioned resin, viscosity is 14～18CPS.Anti-dazzle masking liquid is coated on the TAC transparent base (manufacturing of Japanese fuji description company) of thickness 80 μ m, and placed 80 ℃ of circulation baking ovens dry about 1 minute, be about 540mJ/cm through energy afterwards
2Ultraviolet ray irradiation after, promptly make according to anti-dazzle film of the present invention.
Comparative example 1
Ultraviolet light photopolymerization resin B-the 500SF of 100 weight portions is become the masking liquid of solid content about 65% with the MEK solvent dilution, and to add 3 weight portion inorganic silicon oxides be that particle (its mean grain size is about 5 μ m, and refractive index is about 1.48) is scattered in the above-mentioned resin.Anti-dazzle masking liquid is coated on the TAC transparent base (manufacturing of Japanese fuji description company) of thickness 80 μ m, and placed 80 ℃ of circulation baking ovens dry about 1 minute, be about 540mJ/cm through dosage afterwards
2UV-irradiation, promptly make anti-dazzle film.
Comparative example 2
Ultraviolet light photopolymerization resin B-the 500SF of 100 weight portions is become the masking liquid of solid content about 65% with the MEK solvent dilution, and to add the organic acryl of 3 weight portions be that particle (the about 5 μ m of its mean grain size, refractive index is about 1.49) is scattered in the above-mentioned resin.Anti-dazzle masking liquid is coated on the TAC transparent base (manufacturing of Japanese fuji description company) of thickness 80 μ m, and placed 80 ℃ of circulation baking ovens dry about 1 minute, be about 540mJ/cm through dosage afterwards
2UV-irradiation, promptly make anti-dazzle film.
The foregoing description 1 and 2 and the test result tables of data as shown in Figure 4 of the anti-dazzle film of comparative example 1 and 2 listed, wherein haze value (haze) is to measure by JIS K 7105 methods, glossiness (gloss) is to measure by JIS Z 8741 methods, and hardness is to measure by JIS K 5600.By the result shown in the tables of data as can be known, with the particle of hollow minute particle, all show excellently than the anti-dizzy particulate of solid particulate material in the performance of haze value as anti-dazzle film.With shown in the embodiment 2, no matter be to be used as anti-dizzy particulate with the hollow silica particle or the hollow particle of acryl series, its performance on optical properties is all excellent than the particulate (comparative example 1 and comparative example 2) of solid particle material as embodiment 1.Under the identical condition of use amount, anti-dazzle film of the present invention not only haze value improves relatively, and repeatedly light refraction and diffusion cause the material internal haze value also to improve by inside, and descend by the exposed surface reflection degree that also can cause of outer surface particle, just, reduce glossiness (gloss), therefore increase the anti-dizzy function of transparent material really.In addition, be that its surface area of hollow particle of porous matter is big more for the surface, then the dispersiveness in resin is good more.
The above only is the preferred embodiments of the present invention, and all equivalent variations that claim is made according to the present invention and modification all should belong to covering scope of the present invention.
The primary clustering symbol description
10 base materials, 12 optical thin films
14 transparent particles, 16 transparent resins
18 light, 20 base materials
22 anti-dazzle films, 24 hollow particles
25 housings, 26 hollow spaces
28 resin beds, 30 light
32 light
Claims (10)
1. anti-dazzle film comprises:
Translucent resin layer through solidifying; And
A kind of hollow particle with light transmission, wherein, described hollow particle is distributed in the described translucent resin layer and part exposes, the internal diameter of described hollow particle to the ratio of external diameter in 0.1 to 0.9 scope, in 0.15 to 1 scope, and described hollow particle and described translucent resin layer refractive index are inequality to the ratio of the thickness of described translucent resin layer for the external diameter of described hollow particle.
2. anti-dazzle film according to claim 1, wherein, described hollow particle comprises organic resin or inorganic oxide.
3. anti-dazzle film according to claim 2, wherein, described hollow particle comprise the multipolymer that is selected from acryl system, polystyrene, acryl and polystyrene, polycarbonate, with the inorganic silicon oxide in a kind of.
4. anti-dazzle film according to claim 1, wherein, the particle diameter of described hollow particle is in 1 to 10 micron scope.
5. anti-dazzle film according to claim 1, wherein, described hollow particle is spherical.
6. anti-dazzle film according to claim 1, wherein, described hollow particle has level and smooth surface.
7. anti-dazzle film according to claim 1, wherein, described hollow particle has coarse surface.
8. anti-dazzle film according to claim 1, wherein, described hollow particle has porous surface.
9. anti-dazzle masking liquid composition comprises:
But the translucent resin that a kind of irradiation of 100 weight portions solidifies;
0.3 to a kind of hollow particle with light transmission of 20 weight portions, wherein, in 0.1 to 0.9 scope, and described hollow particle is inequality with the described translucent resin refractive index behind overcuring to the ratio of external diameter for described hollow particle internal diameter; And
An amount of described translucent resin and the described hollow particle of enough making is scattered in wherein solvent.
10. anti-dazzle masking liquid composition according to claim 9, wherein, described hollow particle comprises organic resin or inorganic oxide.
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Cited By (9)
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| CN103765250A (en) * | 2011-08-26 | 2014-04-30 | 株式会社Lg化学 | Anti-glare film |
| CN104732886A (en) * | 2013-12-24 | 2015-06-24 | 乐金显示有限公司 | Hard Coating Film And Display Device Using The Same |
| CN105273559A (en) * | 2014-06-30 | 2016-01-27 | 乐金显示有限公司 | Display device |
| CN106647017A (en) * | 2015-11-04 | 2017-05-10 | 宁波长阳科技股份有限公司 | High-performance reflecting film applied to backlight module and preparation method of reflecting film |
| CN108713035A (en) * | 2016-03-22 | 2018-10-26 | 积水化成品工业株式会社 | Hollow particle and application thereof |
| CN110231727A (en) * | 2019-05-14 | 2019-09-13 | 深圳市华星光电半导体显示技术有限公司 | Membrane structure and preparation method thereof |
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| CN114907604A (en) * | 2022-04-29 | 2022-08-16 | 深圳市华星光电半导体显示技术有限公司 | Antireflection film, manufacturing method thereof and display panel |
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| CN103765250B (en) * | 2011-08-26 | 2015-11-25 | 株式会社Lg化学 | Antiglare film |
| CN103765250A (en) * | 2011-08-26 | 2014-04-30 | 株式会社Lg化学 | Anti-glare film |
| US9482789B2 (en) | 2011-08-26 | 2016-11-01 | Lg Chem, Ltd. | Anti-reflective coating film |
| US10032795B2 (en) | 2013-12-24 | 2018-07-24 | Lg Display Co., Ltd. | Hard coating film and display device using the same |
| CN104732886A (en) * | 2013-12-24 | 2015-06-24 | 乐金显示有限公司 | Hard Coating Film And Display Device Using The Same |
| US11099303B2 (en) | 2014-06-30 | 2021-08-24 | Lg Display Co., Ltd. | Display device |
| US10082606B2 (en) | 2014-06-30 | 2018-09-25 | Lg Display Co., Ltd. | Display device |
| CN105273559A (en) * | 2014-06-30 | 2016-01-27 | 乐金显示有限公司 | Display device |
| CN106647017A (en) * | 2015-11-04 | 2017-05-10 | 宁波长阳科技股份有限公司 | High-performance reflecting film applied to backlight module and preparation method of reflecting film |
| CN108713035A (en) * | 2016-03-22 | 2018-10-26 | 积水化成品工业株式会社 | Hollow particle and application thereof |
| CN110231727A (en) * | 2019-05-14 | 2019-09-13 | 深圳市华星光电半导体显示技术有限公司 | Membrane structure and preparation method thereof |
| CN110231727B (en) * | 2019-05-14 | 2020-11-24 | 深圳市华星光电半导体显示技术有限公司 | Membrane structure and method of making same |
| US11662505B2 (en) | 2019-05-14 | 2023-05-30 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Film structure and preparation method thereof |
| CN111028684A (en) * | 2019-12-06 | 2020-04-17 | 深圳市华星光电半导体显示技术有限公司 | Flexible substrate and preparation method thereof |
| US11355717B2 (en) | 2019-12-06 | 2022-06-07 | Shenzhen China Star Optoelectronies Semiconduetor Display Technology Co., Ltd. | Flexible substrate and manufacturing method thereof |
| CN115050262A (en) * | 2022-01-07 | 2022-09-13 | 友达光电股份有限公司 | Display device |
| CN114907604A (en) * | 2022-04-29 | 2022-08-16 | 深圳市华星光电半导体显示技术有限公司 | Antireflection film, manufacturing method thereof and display panel |
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