CN102798907A - Anti-dazzle film, polarizer using anti-dazzle film, and display device - Google Patents
Anti-dazzle film, polarizer using anti-dazzle film, and display device Download PDFInfo
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- CN102798907A CN102798907A CN201210167519XA CN201210167519A CN102798907A CN 102798907 A CN102798907 A CN 102798907A CN 201210167519X A CN201210167519X A CN 201210167519XA CN 201210167519 A CN201210167519 A CN 201210167519A CN 102798907 A CN102798907 A CN 102798907A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133502—Antiglare, refractive index matching layers
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- Optical Elements Other Than Lenses (AREA)
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Abstract
The invention relates to an anti-dazzle film, a polarizer using the anti-dazzle film, and a display device. The anti-dazzle film is characterized in that the anti-dazzle film includes an anti-dazzle layer which is formed through coating and solidifying an anti-dazzle coating composition on a transparent substrate, and the diffusion reflectivity (SCE) and the haze of the anti-dazzle layer satisfies the following mathematic expression 1 (1:0.1<=(SCE)*haze<=5.0.). Through considering the SCE and the haze, the blackness can be calculated, and the anti-dazzle film which has the excellent blackness is obtained. The above anti-dazzle film can be effectively applied to the polarizer and the display device.
Description
Technical field
The Polarizer and the display device that the present invention relates to a kind of anti-dazzle film and use this film.
Background technology
Anti-dazzle film does; Have the diffuse reflection that utilization produces by surperficial teat and make the film of the function that outside reflection of light reduces; And be configured in various display pannels; For example, on the surface of LCD (LCD), plasma scope (PDP), Braun (Brown) pipe (CRT), electron luminescence display (EL) etc., use the purpose of said anti-dazzle film to be; The minimizing of the contrast that prevents to produce by outside reflection of light, the following degradation of the visibility of the display that perhaps prevents to produce by image reflection.
But, though can there be blackness (blackness) in existing anti-dazzle film thereby the shortcoming that the contrast ratio of reduction institute images displayed reduces because the more serious thereby anti-dazzle property of the diffuse reflection of exterior light is excellent when surface concavo-convex serious.Otherwise, when the concave-convex surface of existing anti-dazzle film is more weak, owing to can't make exterior light diffuse reflection fully, so the intrinsic purpose of anti-dazzle film, be that anti-dazzle property can descend, thereby the shortcoming that exists the visibility of the image that is shown to reduce largely.
Recently, even trend changes towards making normalization with a high standard and a little sacrifice the direction that anti-dazzle property also will obtain excellent blackness.Thus, though the evaluation of blackness receives much concern as important key element, under existing situation, owing to estimate anti-dazzle degree and blackness through range estimation, the objectivity of therefore estimating is not high.Therefore; Though disclose the method for measuring surfaceness and above-mentioned anti-dazzle degree and blackness being estimated; But because surfaceness is not for reflecting the arithmetic mean of standard deviation, though therefore exist outward appearance to change largely but the mean value of roughness do not change etc. yet, with the visible part different portions problem living than acred.
Summary of the invention
Invent problem to be solved
The present invention accomplishes in order to solve above-mentioned this existing problem points, and its purpose is, adopting provides a kind of blackness excellent anti-dazzle film to the objective appraisal method of blackness.
In addition, other purposes of the present invention are, provide a kind of blackness excellent Polarizer and display device.
Be used to solve the method for problem
To achieve these goals; The present invention provides a kind of anti-dazzle film, it is characterized in that, comprises antiglare layer; Said antiglare layer applies anti-dazzle property coating composition and it is solidified to form on transparent base, diffuse reflectance of above-mentioned antiglare layer (SCE) and mist degree satisfy following mathematical expression 1.
[mathematical expression 1]
0.1≤diffuse reflectance (SCE) * mist degree≤5.0
More preferably, the value of above-mentioned mathematical expression 1 is 1～5.0.
Above-mentioned diffuse reflectance does; Measure through ISO benchmark d/8 structure; And light source use pulse xenon lamp (D65), 6 inches integrating spheres and from 360nm to 740nm with 10nm at interval mode and reflectivity is measured, and will be transformed to the diffuse reflectance of the Y numerical value that calculates by CIE1931 according to the reflectivity that above-mentioned wavelength is measured.
Above-mentioned anti-dazzle property coating composition comprises: translucent resin (A), light transmission particle (B), light trigger (C) and solvent (D), and be preferably, the mean grain size of above-mentioned light transmission particle is 1～10 μ m.
Be preferably,, and contain the above-mentioned light transmission particle of 0.5～20 weight portion with respect to overall 100 weight portions of anti-dazzle property anti-reflection coating composition.
The present invention to achieve these goals provides a kind of Polarizer, it is characterized in that, comprises above-mentioned above-mentioned anti-dazzle film involved in the present invention.
The present invention to achieve these goals provides a kind of display device, it is characterized in that, comprises above-mentioned involved in the present invention above-mentioned anti-dazzle film.
The effect of invention
According to above-mentioned the present invention, calculate blackness through considering diffuse reflectance and mist degree, thereby can obtain the excellent anti-dazzle film of blackness.Therefore, above-mentioned anti-dazzle film can be effectively applied in Polarizer and the display device.
Embodiment
Below, the present invention is carried out detailed explanation.
According to anti-dazzle film of the present invention, it is characterized in that comprise antiglare layer, it applies anti-dazzle property coating composition and it is solidified to form on transparent base, above-mentioned antiglare layer, diffuse reflectance (SCE) and mist degree satisfy following mathematical expression 1.Satisfy the excellent blackness characteristic of anti-dazzle film demonstration like the benchmark of following mathematical expression 1.
[mathematical expression 1]
0.1≤diffuse reflectance (SCE) * mist degree≤5.0
At first, as following anti-dazzle property coating composition according to the present invention is described.Anti-dazzle property coating composition according to of the present invention comprises: translucent resin (A), light transmission particle (B), light trigger (C) and solvent (D).
Translucent resin (A)
Above-mentioned translucent resin so long as employed in the art usually material then can use without restriction.
Preferably, can comprise light-cured type (methyl) acrylate oligomer and/or light-cured type monomer as above-mentioned translucent resin.
Above-mentioned (methyl) acrylate oligomer for example can use epoxy (methyl) acrylic ester, carbamate (methyl) acrylic ester etc., more preferably uses carbamate (methyl) acrylic ester.
Above-mentioned carbamate (methyl) acrylic ester can be in the presence of catalyzer, can react in the presence of catalyzer with the compound with NCO through multifunctional (methyl) acrylic ester that in molecule, has hydroxyl to prepare.
As the concrete example of (methyl) acrylic ester that in above-mentioned molecule, has hydroxyl, can select to be selected from: at least a in 2-hydroxyethyl (methyl) acrylic ester, 2-hydroxyl isopropyl (methyl) acrylic ester, 4-hydroxybutyl (methyl) acrylic ester, caprolactone open loop hydroxy acrylate, pentaerythrite three/four (methyl) acrylic ester potpourri and dipentaerythritol five/six (methyl) the acrylic ester potpourri.
In addition, as above-mentioned concrete example, can select to be selected from: 1 with compound of NCO; The diisocyanate based butane of 4-, 1, the diisocyanate based hexane of 6-, 1,8-diisocyanate octane, 1; The diisocyanate based decane of 12-, 1,5-is diisocyanate based-2-methylpentane, trimethyl-1, the diisocyanate based hexane of 6-, 1; Two (isocyanates ylmethyl) cyclohexanes of 3-, anti-form-1,4-cyclohexene diisocyanate, 4,4 '-di-2-ethylhexylphosphine oxide (cyclohexyl isocyanate), IPDI, Toluene-2,4-diisocyanate; 4-diisocyanate, Toluene-2,4-diisocyanate; 6-diisocyanate, xylene-1,4-diisocyanate, tetramethyl xylene-1,3-diisocyanate, 1-chloromethyl-2; 4-diisocyanate, 4; 4 '-di-2-ethylhexylphosphine oxide (2, the 6-dimethylphenyl isocyanate), 4,4 '-at least a in the toluene diisocyanate of bis oxide (phenyl isocyanate), the trifunctional isocyanates of deriving by hexamethylene diisocyanate and leucoaurin propyl alcohol (trimethane propanol) adduct.
Particularly; Above-mentioned light-cured type monomer does; In molecule, have (methyl) acryloyl group, vinyl, styryl, allyl unsaturated groups such as (allyl group) with material, wherein, be preferably (methyl) acryloyl group as light-cured type functional group.
Monomer with above-mentioned (methyl) acryloyl group; As a specific example; Can be selected from: neopentyl glycol acrylic ester, 1; 6-hexanediol (methyl) acrylic ester, propylene glycol two (methyl) acrylic ester, triethylene glycol two (methyl) acrylic ester, DPG two (methyl) acrylic ester, polyglycol two (methyl) acrylic ester, polypropylene glycol two (methyl) acrylic ester, trimethylolpropane tris (methyl) acrylic ester, trimethylolethane trimethacrylate (methyl) acrylic ester, 1; 2; 4-cyclohexane four (methyl) acrylic ester, five polyglycereol three (methyl) acrylic ester (Pentaglycerol tri (meth) acrylate), pentaerythrite four (methyl) acrylic ester, pentaerythrite three (methyl) acrylic ester, dipentaerythritol three (methyl) acrylic ester, dipentaerythritol five (methyl) acrylic ester, dipentaerythritol four (methyl) acrylic ester, dipentaerythritol six (methyl) acrylic ester, tripentaerythritol three (methyl) acrylic ester, tripentaerythritol six or three (methyl) acrylic ester, two (2-hydroxyethyl) isocyanuric acids two (methyl) acrylic ester, hydroxyethyl (methyl) acrylic ester, hydroxypropyl (methyl) acrylic ester, hydroxybutyl (methyl) acrylic ester, (methyl) Isooctyl acrylate monomer, (methyl) isodecyl acrylate, (methyl) stearyl acrylate acyl ester, at least a in (methyl) tetrahydrofurfuryl acrylate, phenoxy group ethyl (methyl) acrylic ester, (methyl) IBOA.
At above-mentioned illustrative light-cured type (methyl) acrylate oligomer and/or light-cured type monomer, can distinguish independent use, perhaps two or more the combination used.
Though the content of above-mentioned translucent resin is not limited especially, can, 1～80 weight portion contained with respect to above-mentioned anti-dazzle overall 100 weight portions of property anti-reflection coating composition.When the content of above-mentioned translucent resin, is difficult to realize that sufficient hardness improves, and when surpassing 80 weight portions, has the curling problem that becomes serious during less than 1 weight portion in said reference.
Light transmission particle (B)
As above-mentioned light transmission particle, the common employed material so long as be used to give anti-dazzle property then can use arbitrarily not by special restriction.
As above-mentioned light transmission particle; For example, can use silicon dioxide granule, silicones particle, melamine resin particle, acrylic resin particle, styrene resin particle, acrylic acid-styrene resin particle, polycarbonate resin particle, polythylene resin particle, vinyl chloride resin particle etc.The above-mentioned light transmission particle of enumerating can be distinguished independent use, perhaps two or more the mixing is used.
The mean grain size of above-mentioned light transmission particle is preferably 1～10 μ m.When the mean grain size of above-mentioned light transmission particle during less than 1 μ m since be difficult to form on the antiglare layer surface concavo-convex, therefore anti-dazzle property reduction, and when surpassing 10 μ m,, therefore have the shortcoming of visibility decline because the antiglare layer surface becomes coarse.
In addition, be preferably, contain the above-mentioned light transmission particle of 0.5～20 weight portion with respect to above-mentioned overall 100 weight portions of anti-dazzle property coating composition.When above-mentioned light transmission particle in said reference during less than 0.5 weight portion, the decline of anti-dazzle property, in addition, when surpassing 20 weight portions, it is serious that the albefaction of antiglare layer will become.
Light trigger (C)
Above-mentioned light trigger, so long as in this field employed light trigger, then can use without restriction.Preferred above-mentioned light trigger can use to be selected from: at least a in hydroxyl ketone, aminoketones and the hydrogen-capture-type light initiator.
As a specific example; Above-mentioned light trigger can use and be selected from: 2-methyl isophthalic acid-［ 4-(methyl mercapto) phenyl ］ 2-morpholine propane-1-ketone, diphenylketone benzil dimethyl ketal, 2-hydroxy-2-methyl-1-phenyl-1-ketone, 4-hydroxyl ring phenyl ketone, dimethoxy-2-phenyl ethyl ketone, anthraquinone, fluorenes, triphenylamine, carbazole, 3-methyl acetophenone, 4-chloro-acetophenone, 4; 4-dimethoxy-acetophenone, 4, at least a in 4-diaminobenzophenone, 1-hydroxy-cyclohexyl phenyl ketone and the benzophenone.
Can use the above-mentioned light trigger of 0.1～10 weight portion with respect to overall 100 weight portions of anti-dazzle property coating composition., when the content of above-mentioned light trigger in said reference during less than 0.1 weight portion, curing rate is slack-off, and when surpassing 10 weight portions, because over-cured and in antiglare layer, produce the crack sometimes.
Solvent (D)
Above-mentioned solvent so long as in this field general employed solvent, then can unrestrictedly use.
For example, above-mentioned solvent can preferably use alcohols (methyl alcohol, ethanol, isopropyl alcohol, butanols, methyl cellosolve, ethyl cellosolve etc.); Ketone (MEK, espeleton, methylisobutylketone, metacetone, dipropyl ketone, cyclohexanone etc.); Hexane class (hexane, heptane, octane etc.); Benzene class (benzene,toluene,xylene etc.) etc.The above-mentioned solvent of enumerating can be distinguished independent use, perhaps two or more combinations is used.
The content of above-mentioned solvent can contain 10～95 weight portions with respect to overall 100 weight portions anti-dazzle property coating composition.When above-mentioned solvent in said reference during less than 10 weight portions, viscosity uprises and operability descends, and when greater than 95 weight portions, can take a long time in the solidification process, therefore has the problem of economy reduction.
Above-mentioned anti-dazzle property coating composition except that above-mentioned composition, also can comprise as required and further and is selected from: at least a in anti-oxidant, UV absorbing agent, light stabilizer, levelling agent, surfactant, the anti fouling agent.
Anti-dazzle film according to the present invention comprises, and said antiglare layer is on the one side at least of transparent base, to apply above-mentioned anti-dazzle property coating composition and it is solidified to form.
As above-mentioned transparent base, so long as have the film of the transparency, then film can use arbitrarily.For example, above-mentioned transparent base can use: as ENB or encircle more cycloolefin analog derivative of unit the norborneol vinyl monomer, that have the monomer that comprises cycloolefin etc.,
Material in cellulose (diacetyl cellulose, triacetyl cellulose, acetylcellulose butyric ester (Acetyl cellulose butyrate), isobutyl ester cellulose, propionyl cellulose, butyryl cellulose, acetyl propionyl cellulose), ethylene-vinyl acetate copolymer, polyester, polystyrene, polyamide, polyetherimide, polyacrylic acid (Polyacrylic), polyimide, polyethersulfone, polysulfones, tygon, polypropylene, polymethylpentene, PVC, Vingon, polyvinyl alcohol (PVA), Pioloform, polyvinyl acetal, polyetherketone, polyetheretherketone, polyethersulfone, polymethylmethacrylate, polyethylene terephthalate, polybutylene terephthalate, PEN, polycarbonate, polyurethane, the epoxy resin, and can use non-stretched film, single shaft or biaxially-stretched film.Can preferably use single shaft or the Biaxially oriented polyester film or the transparency of the transparency and excellent heat resistance and not have optically anisotropic triacetylcellulose film.
Though above-mentioned transparent base preferred thickness is than thin base material, if thin excessively, then intensity reduces and the processability variation, in addition, if blocked up, the problem such as weight increase of reduction of the then generation transparency or Polarizer.Therefore, be preferably, the thickness of above-mentioned transparent base is 8～1000 μ m, be more preferably 40～100 μ m.
The coating of above-mentioned anti-dazzle property coating composition is unqualified, for example can be through being selected from: the mode in extrusion coated, pneumatic blade coating, contrary roller, spraying, scraper plate, curtain coating, intaglio plate coating, the coating of nick version or the rotary coating etc. and suitably carrying out.
Be coated with above-mentioned anti-dazzle property coating composition and the thickness of formed antiglare layer is 1～30 μ m, be preferably about 1～20 μ m, 3～15 μ m more preferably.
After the anti-dazzle property coating composition of coating, under 30～150 ℃ temperature, dry 10 seconds～1 hour, more preferably dry 30 seconds～10 minutes.If dry the completion then makes anti-dazzle property coating composition solidify.Under the situation of photocuring, irradiation UV light and anti-dazzle property coating composition is solidified, thus form antiglare layer.The exposure of above-mentioned UV light is about 0.01～10J/cm
2, be preferably about 0.1～2J/cm
2
At this moment, anti-dazzle film of the present invention, diffuse reflectance (SCE) and mist degree satisfy mathematical expression 1.That is, the diffuse reflectance and the mist degree of anti-dazzle film are measured, and this diffuse reflectance multiply by mist degree and this numerical range of gained is preferably 0.1～5.0, more preferably 1～5.0.Satisfy the anti-dazzle film of this scope, the blackness of the excellence of the degree that demonstration can be satisfied.
When above-mentioned diffuse reflectance multiply by mist degree and its numerical range of gained less than 0.1 the time because anti-dazzle property is faint, thus have the problem of the dazzle that can't prevent exterior light, and when greater than 5.0 the time, produces at random seriously and the problem of blackness reduction.
Above-mentioned diffuse reflectance does; Measure through ISO benchmark d/8 structure (diffused illumination use, 8 degree receive the light mode); And light source use pulse xenon lamp (D65), 6 inches integrating spheres and from 360nm to 740nm with 10nm at interval mode and reflectivity is measured, and will be transformed to the diffuse reflectance that the Y numerical value that calculated by CIE1931 obtains according to the reflectivity that above-mentioned wavelength determines.Such diffuse reflectance as long as use employed diffuse reflectance determining instrument in this area, then can be measured easily.
In addition, above-mentioned mist degree can be measured through normally used mist degree analyzer in the art.
According to Polarizer of the present invention, it is characterized in that possessing above-mentioned according to anti-dazzle film of the present invention.
That is, Polarizer of the present invention can be the Polarizer that form at the one side of common polarizer or the above-mentioned anti-dazzle film according to the present invention of amount face laminated.Above-mentioned polarizer can be for having the polarizer of protective film on the one side at least.
Above-mentioned polarizer for example can use: the polyvinyl alcohol film; Make the dichroic substance of iodine or dichroic dye etc. be adsorbed on the hydrophilic macromolecule film of partly-hydrolysed film of ethylene-vinyl acetate copolymer class etc. and carry out the film of uniaxial tension; Polyenoid class oriented films such as the desalination acid treatment thing of the processed thing of polyvinyl alcohol (PVA) or PVC etc.It preferably can be the polarizer that constitutes by dichroic substance such as polyvinyl alcohol film and iodine.The thickness of these polarizers still is generally about 5～80 μ m not by restriction especially.
When above-mentioned polarizer is when at least one surface, possessing the polarizer of protective film, the excellent films in aspect such as above-mentioned protective film can the advantageous applications transparency, physical strength, thermal safety, covering property of moisture, isotropy.
For example, as above-mentioned protective film, can use the polyester film of polyethylene terephthalate, polyethylene glycol isophthalate, polybutylene terephthalate etc.; The cellulose family film of diacetyl cellulose, triacetyl cellulose etc.; Polycarbonate-based film; Gather (methyl) methyl acrylate, gather the acrylic compounds film of (methyl) ethyl acrylate etc.; The phenylethylene film of polystyrene, acrylonitritrile-styrene resin etc.; The polyolefins film of tygon, polypropylene, polyolefins film, ethylene propylene copolymer etc. with lopps or ENB structure; Polyimide film, polyether sulfone film; Sulfone class film etc.In the above-mentioned protective film of being enumerated, excellent and do not have optical anisotropy's aspect from the transparency, can preferably use triacetyl cellulose.The thickness of above-mentioned protective film by restriction especially, is not preferably 8～1000 μ m, more preferably 40～100 μ m.
According to display device of the present invention, it is characterized in that possessing according to anti-dazzle film of the present invention.
As an example, above-mentioned display device can for, comprise the display device of the Polarizer that possesses above-mentioned anti-dazzle film.
If in display device, comprise the Polarizer that possesses anti-dazzle film of the present invention, then can provide visibility excellent display device.In addition, the anti-dazzle film of the present invention window (Window) that also can be installed in display device is gone up and is used.
Anti-dazzle film of the present invention can be used among the LCD of various type of drive such as reflection-type, infiltration type, semi-transmission type LCD or TN type, STN type, OCB type, HAN type, VA type, IPS type.In addition, Antidazzle hard coating layer film of the present invention also can be used in the various display device such as plasma scope, cold emission display, OLED display, inorganic EL display or Electronic Paper.
Above-mentioned display device owing to except that using according to the anti-dazzle film of the present invention, can be chosen in formation as known in the art and formation easily, is therefore omitted the detailed description to it.
Above-mentioned according to display device of the present invention, excellent light diffusing be can realize, vividness and good positive briliancy seen through.
The present invention is further specialized with comparative example through following embodiment, but following preparation is routine and embodiment is merely concrete illustration of the present invention, and protection scope of the present invention is not limited or limits.
[preparation example 1]
Urethane acrylate (Miwon Itochu manufacturing with 25 weight portions; SC2153), (Miwon Itochu makes the pentaerythritol triacrylate of 18.5 weight portions; M340), light transmission particle (the acrylic resin particle of 2 weight portions; Mean grain size 4.5 μ m), (BASF AG makes (former CIBA manufactured) to the light trigger of the methyl ethyl ketone of 50 weight portions (big well King Company makes), 4 weight portions; I-184), the levelling agent of 0.5 weight portion (BYK Chemie manufactured; BYK378) utilize stirring machine to mix, and utilize the filtrator of PP material and filter, thereby prepare the composition of refractive index 1.49.
[preparation example 2]
Utilize stirring machine to mix the urethane acrylate (manufacturing of Miwon Itochu, SC2153) of 25 weight portions, the pentaerythritol triacrylate (manufacturing of Miwon Itochu, M340) of 18.5 weight portions, the light transmission particle (acrylic resin particle, mean grain size 3 μ m) of 2 weight portions, the methyl ethyl ketone (big well King Company makes) of 50 weight portions, the light trigger (BASF AG's manufacturing, I-184) of 4 weight portions, the levelling agent (BYK Chemie manufactured, BYK378) of 0.5 weight portion; And utilize the filtrator of PP material and filter, thereby prepare the composition of refractive index 1.49.
[preparation example 3]
Utilize stirring machine to mix the urethane acrylate (manufacturing of Miwon Itochu, SC2153) of 25 weight portions, the pentaerythritol triacrylate (manufacturing of Miwon Itochu, M340) of 18.5 weight portions, the light transmission particle (acrylic resin particle, mean grain size 2 μ m) of 2 weight portions, the methyl ethyl ketone (big well King Company makes) of 50 weight portions, the light trigger (BASF AG's manufacturing, I-184) of 4 weight portions, the levelling agent (BYK Chemie manufactured, BYK378) of 0.5 weight portion; And utilize the filtrator of PP material and filter, thereby prepare the composition of refractive index 1.49.
[preparation example 4]
Utilize stirring machine to mix the urethane acrylate (manufacturing of Miwon Itochu, SC2153) of 26 weight portions, the pentaerythritol triacrylate (manufacturing of Miwon Itochu, M340) of 18.5 weight portions, the light transmission particle (acrylic resin particle, mean grain size 4.5 μ m) of 1 weight portion, the methyl ethyl ketone (big well King Company makes) of 50 weight portions, the light trigger (BASF AG's manufacturing, I-184) of 4 weight portions, the levelling agent (BYK Chemie manufactured, BYK378) of 0.5 weight portion; And utilize the filtrator of PP material and filter, thereby prepare the composition of refractive index 1.49.
[preparation example 5]
Utilize stirring machine to mix the urethane acrylate (manufacturing of Miwon Itochu, SC2153) of 25 weight portions, the pentaerythritol triacrylate (manufacturing of Miwon Itochu, M340) of 18.5 weight portions, the light transmission particle (styrene resin particle, mean grain size 4.5 μ m) of 2 weight portions, the MEK (big well King Company makes) of 50 weight portions, the light trigger (BASF AG's manufacturing, I-184) of 4 weight portions, the levelling agent (BYK Chemie manufactured, BYK378) of 0.5 weight portion; And utilize the filtrator of PP material and filter, thereby prepare the composition of refractive index 1.49.
[embodiment 1～8 and comparative example 1～2]
On a surface of the tri acetyl cellulose film of blackness 80 μ m, like the mode of following table 1 and apply anti-dazzle property coating composition and the heat drying of preparing by above-mentioned preparation example, afterwards, prepare anti-dazzle property film through ultraviolet curing.
＜experimental example＞
Through following method, the physical characteristics of the anti-dazzle property antireflective film of aforesaid way preparation is measured, its result is shown in following table 1.
1) diffuse reflectance (SCE) (%)
Prepared anti-dazzle property film is bonded on the black acrylic ester plate, afterwards, in the integrating sphere reflectivity on the surface of coating, utilizes spectrophotometer (Konicaminolta manufactured, CM-3700d) and diffuse reflectance (SCE) is measured.
2) mist degree (%)
Prepared anti-dazzle property film is bonded on the glass plate, and afterwards, (Suga manufactured, HZ-1) measures the mist degree of film through the transmitance analyzer.
3) blackness
With prepared anti-dazzle property film with applicator surface towards the mode on surface and be bonded on the black acrylic ester plate; Afterwards; Under the three-wavelength fluorescent light, make fluorescent light reflection, thus through range estimation to having carried out comparative evaluation away from the blackness at the position of 5cm from the fluorescent light reflected image.
◎: near black
Zero: near the grey black look
X: grey
[table 1]
As above shown in the table 1, can confirm following situation,, multiply by at diffuse reflectance (SCE) under the situation of value embodiment within the scope of the present invention of mist degree that is that compare with the comparative example that departs from the scope of the present invention, blackness is very outstanding.
Claims (7)
1. an anti-dazzle film is characterized in that,
Comprise antiglare layer, said antiglare layer is through the anti-dazzle property coating composition of coating on transparent base and it is solidified to form,
Diffuse reflectance of said antiglare layer (SCE) and mist degree satisfy following mathematical expression 1,
[mathematical expression 1]
0.1≤diffuse reflectance (SCE) * mist degree≤5.0.
2. anti-dazzle film as claimed in claim 1 is characterized in that,
The value of said mathematical expression 1 is 1～5.0.
3. anti-dazzle film as claimed in claim 1 is characterized in that,
Said diffuse reflectance does; Measure through ISO benchmark d/8 structure; And light source use pulse xenon lamp (D65), 6 inches integrating spheres and from 360nm to 740nm with 10nm at interval mode and reflectivity is measured, and will be transformed to the diffuse reflectance that the Y numerical value that calculated by CIE1931 obtains according to the reflectivity that said wavelength determines.
4. anti-dazzle film as claimed in claim 1 is characterized in that,
Said anti-dazzle property coating composition comprises: translucent resin (A), light transmission particle (B), light trigger (C) and solvent (D), and the mean grain size of said light transmission particle is 1～10 μ m.
5. anti-dazzle film as claimed in claim 4 is characterized in that,
With respect to overall 100 weight portions of anti-dazzle property anti-reflection coating composition, and contain the said light transmission particle of 0.5～20 weight portion.
6. a Polarizer is characterized in that,
Comprise any described anti-dazzle film in the claim 1～5.
7. a display device is characterized in that,
Comprise any described anti-dazzle film in the claim 1～5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0050792 | 2011-05-27 | ||
| KR1020110050792A KR101771104B1 (en) | 2011-05-27 | 2011-05-27 | Anti-Glare Film, Polarizing Plate and Display Device Including the Film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102798907A true CN102798907A (en) | 2012-11-28 |
| CN102798907B CN102798907B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210167519.XA Active CN102798907B (en) | 2011-05-27 | 2012-05-25 | Anti-dazzle film and use Polarizer and the display unit of this film |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2012247779A (en) |
| KR (1) | KR101771104B1 (en) |
| CN (1) | CN102798907B (en) |
| TW (1) | TWI547721B (en) |
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| CN104884983A (en) * | 2012-12-26 | 2015-09-02 | 东友精细化工有限公司 | Antiglare film and polarizing plate comprising same |
| CN104884984A (en) * | 2012-12-26 | 2015-09-02 | 东友精细化工有限公司 | Diffusion film and polarizing plate comprising same |
| CN106030349A (en) * | 2014-04-23 | 2016-10-12 | 大日本印刷株式会社 | Method for producing laminate, laminate, polarizing plate, image display device, and method for improving readability of image display device |
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| JP6039397B2 (en) * | 2012-12-14 | 2016-12-07 | 住友化学株式会社 | Method for producing mold for producing antiglare film and method for producing antiglare film |
| US9804300B2 (en) | 2013-07-05 | 2017-10-31 | Dai Nippon Printing Co., Ltd. | Anti-glare film, polarizer, liquid-crystal panel, and image display device |
| KR102088354B1 (en) | 2013-12-31 | 2020-03-13 | 삼성디스플레이 주식회사 | Optical film, methods of manufacturing the same, and electronic device |
| KR102613779B1 (en) * | 2020-03-04 | 2023-12-13 | 동우 화인켐 주식회사 | Anti-Glare Film |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102798907B (en) | 2016-06-01 |
| KR20120132146A (en) | 2012-12-05 |
| JP2012247779A (en) | 2012-12-13 |
| KR101771104B1 (en) | 2017-08-24 |
| TWI547721B (en) | 2016-09-01 |
| TW201248212A (en) | 2012-12-01 |
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