CN104884984A - Diffusion film and polarizing plate comprising same - Google Patents
Diffusion film and polarizing plate comprising same Download PDFInfo
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- CN104884984A CN104884984A CN201380068530.3A CN201380068530A CN104884984A CN 104884984 A CN104884984 A CN 104884984A CN 201380068530 A CN201380068530 A CN 201380068530A CN 104884984 A CN104884984 A CN 104884984A
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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
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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
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
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- G02B1/105—
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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
- G02B1/14—Protective coatings, e.g. hard coatings
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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
-
- 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
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
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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
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
- Polarising Elements (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
The present invention relates to a diffusion film, and more specifically, to a diffusion film having a reflection rate parameter (X), defined by (A/B)100, of 75-95, wherein A is a value of a reflection rate (%) of light measured by using an integrating sphere, wherein the light is incidented on the surface of the antiglare film and reflected but does not include light that is reflected in the direction of 8 DEG from a normal direction, and wherein B is a value of light measured by using the integrating sphere, wherein the light is incidented on the surface of the antiglare film and reflected in all directions.
Description
Technical field
The present invention relates to a kind of diffusion barrier and possess the Polarizer of this diffusion barrier.
Background technology
Display device comprises liquid crystal display (LCD), electroluminescent display (EL), electric slurry display panel (PDP), field-emitter display (FED) etc.
These dissimilar display devices are when being exposed to the exterior light of such as natural light or illumination light etc., and the light inciding the surface of display device will be reflected and contrast is declined, and visibility can be made to reduce due to image reflection.In addition, screen flicker and make Text region difficulty comparatively large, thus easily cause the fatigue strength of eyes increase or bring out headache.
In order to address these problems, mainly employ a kind of diffusion barrier, this diffusion barrier has the function of the reflection guiding to reduce light by surface projection to the diffuse reflection of light, and this diffusion barrier is configured on the surface of display device.
On the other hand, the measurement of mist degree (Haze) has been widely used in the correlation technique of the optical characteristics assessing diffusion barrier.But in the display device of reality, due to the reflection of exterior light, haze measurement can not reflect image degradation phenomena utterly
Except haze measurement, also use printing opacity-sharpness to assess optical characteristics.Disclose a kind of antiglare film in No. 2009-0069227th, Korean Patent Publication No., it, when the overall mist degree of blooming is set as H% and printing opacity-sharpness is set as Tc%, meets Tc≤8H.Above-mentioned parameter has the advantage of the visuality of the surface reflection that can reflect for blooming.
But, because these parameters only used the information relevant to transmitted light, thus have and directly measure compared with reflected light characteristic for reflecting the lower weakness of visual sensitivity.
Summary of the invention
Technical task
The object of the invention is, a kind of diffusion barrier is provided, it can reflect because extraneous light reflects the albedo parameters X of the image deterioration phenomenon caused by using, thus while there is excellent anti-glare properties, there is excellent diffusivity, and when being applied in display device, although there is strong exterior light also can guarantee enough visualitys, and be not only front, from oblique, also there is excellent visuality.
For solving the method for problem
In order to achieve the above object, the invention provides a kind of diffusion barrier, it is characterized in that, the albedo parameters X defined by mathematical expression 1 is 75 ~ 95,
[mathematical expression 1]
Albedo parameters X=(A/B) × 100
Wherein, A represents makes light on the surface of diffusion barrier, and use integrating sphere to measure except towards except the light becoming the direction of 8 ° to reflect with normal direction, the reflectivity of light that reflects towards remaining direction and the numerical value obtained; B represents makes light on the surface of diffusion barrier, and uses integrating sphere to measure the numerical value obtained towards the reflectivity of the light of all directions reflection.
Be preferably, albedo parameters X can be 80 ~ 90.
Described diffusion barrier possesses diffusion layer, and described diffusion layer phase comprises the light-transmissive resin of 15 ~ 80 weight portions and the light transmitting particles of 3 ~ 30 weight portions for diffusion layer formation composition in its entirety 100 weight portion.
The mean grain size of light transmitting particles can be 1 ~ 10 μm.
The thickness of diffusion layer can be 1 ~ 20 μm.
In order to reach another object of the present invention, the invention provides a kind of Polarizer possessing this diffusion barrier.
Invention effect
Be that the diffusion barrier of foundation has following advantage with the present invention, namely, by making albedo parameters X in the scope of 75 ~ 95, thus there is the excellent diffusible problem simultaneously solving the image deterioration caused due to the reflection of exterior light, thus when being applied in display device, although there is strong exterior light also can guarantee enough visualitys, and be not only front, from oblique, also there is excellent visuality.
Embodiment
The present invention is a kind of diffusion barrier, it is characterized in that, the albedo parameters X defined by mathematical expression 1 is 75 ~ 95,
[mathematical expression 1]
Albedo parameters X=(A/B) × 100
Wherein, A represents makes light on the surface of diffusion barrier, and use integrating sphere to measure except towards except the light becoming the direction of 8 ° to reflect with normal direction, the reflectivity of light that reflects towards remaining direction and the numerical value obtained; B represents makes light on the surface of diffusion barrier, and uses integrating sphere to measure the numerical value obtained towards the reflectivity of the light of all directions reflection.
Use that integrating sphere measures, make on light to the surface of diffusion barrier and measure except towards except the light becoming the direction of 8 ° to reflect with normal direction, the light that reflects towards remaining direction refers to, at the light of diffusion barrier scattering on the surface.Therefore, albedo parameters X is, shows the parameter of the amount of the light be scattered in whole light that diffusion barrier reflects on the surface with number percent.
In order to reach object of the present invention, albedo parameters X can be 75 ~ 95, is preferably 80 ~ 90.If albedo parameters X is less than 75, then diffusivity can be deteriorated, thus the problem that the visuality that there is display device when exterior light is stronger worsens.If albedo parameters X is greater than 95, the albefaction of this display device can be serious, thus transmissivity can reduce.
Diffusion barrier has the diffusion layer comprising diffusion layer formation composition, and this diffusion layer formation composition comprises light-transmissive resin and light transmitting particles.
Light-transmissive resin is a kind of photocurable resin, can comprise light-cured type (methyl) acrylate oligomer and monomer.
About light-cured type (methyl) acrylate oligomer, usually use epoxy (methyl) acrylate, carbamic acid (methyl) acrylate etc.Preferred use carbamic acid (methyl) acrylate.Carbamic acid (methyl) acrylate can use have monohydroxy multifunctional (methyl) acrylate in the molecule thereof, with a kind of compound with isocyanate group, prepare in the presence of a catalyst.As (methyl) acrylic acid concrete example in the molecule thereof with hydroxyl, more than one can be used to be selected from by 2-hydroxyethyl (methyl) acrylate, 2-hydroxyisopropyl (methyl) acrylic acid, 4-hydroxyl butyl (methyl) acrylate, caprolactone open loop hydroxy acrylic acid, pentaerythrite three/tetra-(methyl) acrylate mixture, and the compound of group that dipentaerythritol five/six (methyl) acrylate mixture forms.In addition, as the concrete example of compound with isocyanate group, more than one can be used to be selected from by 1, 4-bis-isocyanic acid butane, 1, 6-diisocyanato-Hexane, 1, 8-bis-isocyanic acid octane, 1, 12-bis-isocyanic acid dodecane, 1, 5-bis-isocyanate group-2-methylpentane, trimethyl-1, 6-diisocyanato-Hexane, 1, two (isocyanatomethyl) cyclohexane of 3-, anti-form-1, 4-cyclohexene diisocyanate, 4, 4'-di-2-ethylhexylphosphine oxide (cyclohexyl isocyanate), isophorone diisocyanate, Toluene-2,4-diisocyanate, 4-diisocyanate, Toluene-2,4-diisocyanate, 6-diisocyanate, xylyl-1, 4-diisocyanate, tetramethyl xylene phenyl-1, 3-diisocyanate, 1-chloromethyl-2, 4-diisocyanate, 4, 4'-di-2-ethylhexylphosphine oxide (2, 6-dimethylphenyl isocyanate), 4, 4'-oxygen two (phenyl isocyanate), from the compound of the group that two isocyanic acids of the trifunctional of hexamethylene diisocyanate and the trimethylolpropane adduct of toluene diisocyanate form.
Above-mentioned monomer is the monomer usually used, and is the monomer of the unsaturated group in molecule as photo-curable functional group with (methyl) acryloyl group, vinyl, styryl, allyl etc.Wherein, preferably there is the monomer of (methyl) acryloyl group.
As the above-mentioned concrete example with the monomer of (methyl) acryloyl group, what can use more than one is selected from by neopentylglycol diacrylate, 1,6-hexanediol (methyl) acrylate, propylene glycol two (methyl) acrylate, triethylene glycol two (methyl) acrylate, dipropylene glycol two (methyl) acrylate, polyglycol two (methyl) acrylate, polypropylene glycol two (methyl) acrylic acid, trimethylolpropane tris (methyl) acrylate, trimethylolethane trimethacrylate (methyl) acrylate, 1,2,4-cyclohexane four (methyl) acrylate, five glycerine three (methyl) acrylate, pentaerythrite four (methyl) acrylate, pentaerythrite three (methyl) acrylate, dipentaerythritol three (methyl) acrylate, dipentaerythritol five (methyl) acrylate, dipentaerythritol four (methyl) acrylate, dipentaerythritol six (methyl) acrylate, tripentaerythritol three (methyl) acrylate, tripentaerythritol six or three (methyl) acrylate, two (2-hydroxyethyl) isocyanuric acid ester two (methyl) acrylate, hydroxyethyl (methyl) acrylate, hydroxypropyl (methyl) acrylate, hydroxyl butyl (methyl) acrylate, iso-octyl (methyl) acrylate, isodecyl (methyl) acrylate, stearyl (methyl) acrylate, tetrahydrofurfuryl (methyl) acrylate, the compound of the group that Phenoxyethyl (methyl) acrylate and isoborneol (methyl) acrylate form.
As light-cured type (methyl) acrylate oligomer and the monomer of above-mentioned illustrative light-transmissive resin, can be used alone respectively or two or more combination used.
As long as the particle that can provide anti-glare that light transmitting particles is used in the art, be then not particularly limited and all can use.As above-mentioned light transmitting particles, such as, can use silicon dioxide granule, silicon resin particles, melamine resin particle, acrylic resin particle, styrene resin particle, acrylicstyrene resin particle, polycarbonate resin particle, polythylene resin particle, vinyl chloride resin particle etc.Light transmitting particles illustrated above can be used alone or two or more combination is used respectively.
The average particulate diameter of light transmitting particles is preferably 1 ~ 10 μm.If the average particulate diameter of light transmitting particles is less than 1 μm, then the surface of diffusion layer is difficult to formed concavo-convex, the deterioration of anti-glare can be caused.If the average particulate diameter of light transmitting particles is greater than 10 μm, then diffusion layer rough surface and have display device texture reduce shortcoming.
The content of light transmitting particles is preferably, relative to 100 weight portions light-transmissive resin and comprise 5 ~ 100 weight portions.
If above-mentioned light-transmissive resin is less than 15 weight portions, is difficult to realize enough hardness and improves.Above-mentioned light-transmissive resin then worsens screening characteristics sometimes more than 80 weight portions.In addition, if light transmitting particles is less than 5 weight portions under said reference may make diffusibility deteriorates, and if the under-ageing of diffusion layer may be made more than 100 weight portions and be difficult to obtain enough hardness.
Composition for the formation of diffusion layer can comprise light trigger further.Light trigger can unrestrictedly use product used in the art.As the concrete example of light trigger, at least one can be used to be selected from by 2-methyl isophthalic acid-[4-(methyl mercapto) phenyl]-2-morpholinopropane-1-ketone, Er Ben Jia Tong Benzyl base dimethyl ketal, 2-hydroxy-2-methyl-1-phenyl-propane-1-ketone, 4-hydroxycyclohexylphenylketone, dimethoxy-2-phenyl acetophenone, anthraquinone, fluorenes, triphenylamine, carbazole, 3-methyl acetophenone, 4-chloro-acetophenone, 4, the compound of the group that 4-dimethoxy-acetophenone, 4,4-diaminobenzophenones, 1-hydroxycyclohexylphenylketone and benzophenone form.
The content of light trigger is preferably use 0.1 to 10 weight portion for the diffusion layer formation composition in its entirety of 100 weight portions.If be less than 0.1 weight portion, then light trigger curing rate can be slack-off.If be greater than 10 weight portions, may can crack on diffusivity overlay due to over-curing.
In order to improve dispersiveness and coating, diffusion layer formation composition can be diluted in solvent and use.About solvent, as long as in the art as overlay formed solvent and known solvent, then can be used indefinitely.
Solvent specifically can use alcohols (methyl alcohol, ethanol, isopropyl alcohol, butanols, methyl cellosolve, ethyl cellosolve etc.), ketone (methyl ethyl ketone, methyl butyl ketone, methyl isobutyl ketone, metacetone, dipropyl ketone, cyclohexanone etc.), hexane class (hexane, heptane, octane etc.) and benzene class (benzene,toluene,xylene etc.) etc., and it can be used alone or two or more combination used respectively.
The content of above-mentioned solvent can comprise 10 ~ 95 weight portions for overall 100 weight portions of diffusivity overlay formation composition.If above-mentioned solvent is less than 10 weight portions, then because viscosity is higher thus operability can decline, and if more than 95 weight portions, then solidification process can be very consuming time, thus there is the problem of economy deteriorates.
Diffusion layer can be formed in the following way, that is, by the diffusion layer formation composition dilution solution obtained in a solvent, the face being applied to transparent base film, after carrying out drying, makes its UV be solidified to form.The thickness of above-mentioned diffusion layer is preferably 1 ~ 20 μm.
The invention provides a kind of Polarizer, it has the diffusion barrier obtained according to above-mentioned the present invention.That is, Polarizer of the present invention can be, by the goods that one or two face of the aforementioned diffusion barrier lamination obtained according to the present invention being combined in general polaroid is formed.Polaroid can possess diaphragm at least one surface thereof.
Below, the present invention by embodiment and comparative example, will illustrate in greater detail.The following examples only tool are illustrative and descriptive, should not be used for limiting or limiting scope of the present invention.
Embodiment 1
A kind of composition for the formation of diffusion layer is by urethane acrylate (the Miwon commercial company using stirring rod to mix 20 weight portions, product: MU9800), pentaerythritol triacrylate (the Miwon commercial company of 20 weight portions, product: M340), light transmitting particles (the silicon resin particle of 4 weight portions, Momentive company, product: Tospearl145, refractive index: 1.43, average particulate diameter: 4.5 μm), the methyl ethyl ketone (Daejung chemistry and metal company) of 20 weight portions, the propylene glycol monomethyl ether (Daejung chemistry and metal company) of 27 weight portions, light trigger (the Siba company of 2.5 weight portions, product: I-184) and levelling agent (the BYK chemical company of 0.5 weight portion, product: BYK3550) and prepare, then filter through a PP material filter.
The hard coating composition of the above-mentioned diffusivity prepared to be coated on 60 μm of thick Triafol T (TAC) films to make this resin layer thickness be 2 μm, at 70 DEG C, to make solvent seasoning 2 minutes afterwards.By dried film with 400mJ/cm
2accumulative light quantity and irradiating ultraviolet light, thus produce the diffusion barrier being formed with diffusion layer.
Embodiment 2
A kind of diffusion barrier manufactured by the method be same as in embodiment 1, except resin layer thickness is 2.5 μm.
Embodiment 3
A kind of diffusion barrier is manufactured by the method be same as in embodiment 1, except light transmitting particles is spherical polymethylmethacrylate-styrene copolymer particle (XX-1735Z, SekisuiTech Polymer Company, refractive index: 1.51, average particulate diameter: 4.5 μm).
Embodiment 4
A kind of diffusion barrier manufactured by the method be same as in embodiment 1, except resin layer thickness is 1.5 μm.
Embodiment 5
A kind of diffusion barrier manufactured by the method be same as in embodiment 3, except resin layer thickness is 1.5 μm.
Comparative example 1
A kind of diffusion barrier manufactured by the method be same as in embodiment 1, except resin layer thickness is 1 μm.
Comparative example 2
A kind of diffusion barrier manufactured by the method be same as in embodiment 1, except light transmitting particles is amorphous silicon particles (Silysia550, FujiSilysia company, refractive index: 1.46, average particulate diameter: 3.9 μm).
After the back side of the above-mentioned diffusion barrier produced engages black acrylic plate, a point luminometer (Konica Minolta company, CM-3700d) is used to carry out measurement of reflectivity (A, B).
The reflectivity (A) using integrating sphere to measure and reflectivity (B), reflectivity (A) is, make light on the surface of diffusion barrier, and use integrating sphere to measure except towards except the light becoming the direction of 8 ° to reflect with normal direction, the reflectivity of light that reflects towards remaining direction and the numerical value obtained; Reflectivity (B) is, makes light on the surface of diffusion barrier, and uses integrating sphere to measure the numerical value obtained towards the reflectivity of the light of all directions reflection.
Particularly, reflectivity A and B measures according to iso standard d/8 structure, and pulse xenon lamp is used as light source.Use 6 inch integrating sphere and according to SCE method, from 360nm to 740nm, carry out measurement of reflectivity A with the interval at 10nm.Reflectivity A and the B measured according to wavelength is converted into the Y value that calculated by CIE1931 standard colorimetric system and uses.
Use the value of above-mentioned A and the B measured to calculate the albedo parameters X defined by mathematical expression 1, be listed in table 1.
[table 1]
| A | B | A/B | |
| Embodiment 1 | 3.81 | 4.53 | 84.11 |
| Embodiment 2 | 3.4 | 4.5 | 75.56 |
| Embodiment 3 | 3.69 | 4.52 | 81.64 |
| Embodiment 4 | 4.02 | 4.48 | 89.73 |
| Embodiment 5 | 4.19 | 4.44 | 94.37 |
| Comparative example 1 | 4.22 | 4.32 | 97.69 |
| Comparative example 2 | 3.1 | 4.55 | 68.13 |
Experimental example
The physical property of the cured film produced in above-described embodiment and comparative example is measured in the following manner, and the results are shown in Table 2 for it.Measure and assess as follows.
(1) measurement of diffusion barrier mist degree
Be manufactured in the haze value of the diffusion barrier in above-described embodiment and comparative example, use the HZ-1-mist degree instrument of Sga company manufacture and measure.The haze value of coat film is relevant to the turbidity of coat film, and higher haze value represents that this film is more muddy.
(2) measurement of diffusion barrier printing opacity-sharpness
Use the TT value of haze meter (HZ-1, Sga company) and the total light transmittance of the diffusion barrier produced in above-described embodiment and comparative example is measured.Higher total light transmittance represents that the transmittance penetrating this film light is higher, thus this film is transparent.Can confirm that lower total light transmittance causes albinism to become even worse.
The transmittance being less than 85% represents that albinism is more bad, and the transmittance of more than 90% represents that albinism is insignificant.
(3) through the diffusible visual assessment of diffusion barrier front surface
After the diffusion barrier produced in above-described embodiment and comparative example being incorporated on black acrylic plate, making three wavelength land light incides on diffusion barrier with the direction of surface normal 20 °, then, confirm with normal reflection angle (-20 °) by the apparent degree of shape of landing light reflected.
[assessment]
Diffusivity ◎: the profile of floor lamp is twisted, therefore the position of light is not certifiable.
Diffusivity zero: the profile of floor lamp is twisted, but the position of light source is certifiable.
Diffusivity X: the profile of floor lamp is clear and legible.
(4) through the diffusible visual assessment of diffusion barrier inclined surface
After the diffusion barrier produced in above-described embodiment and comparative example being incorporated on black acrylic plate, making three wavelength land light incides on diffusion barrier with the direction of surface normal 80 °, then, confirm with normal reflection angle (-80 °) by the apparent degree of shape of landing light reflected.
[assessment]
Diffusivity ◎: the profile of floor lamp is twisted, therefore the position of light is not certifiable.
Diffusivity zero: the profile of floor lamp is twisted, but the position of light source is certifiable.
Diffusivity X: the profile of floor lamp is clear and legible.
[table 2]
Claims (6)
1. a diffusion barrier, is characterized in that, the albedo parameters X defined by mathematical expression 1 is 75 ~ 95,
[mathematical expression 1]
Albedo parameters X=(A/B) × 100
Wherein, A represents makes light on the surface of diffusion barrier, and use integrating sphere to measure except towards except the light becoming the direction of 8 ° to reflect with normal direction, the reflectivity of light that reflects towards remaining direction and the numerical value obtained; B represents makes light on the surface of diffusion barrier, and uses integrating sphere to measure the numerical value obtained towards the reflectivity of the light of all directions reflection.
2. diffusion barrier as claimed in claim 1, wherein,
Described albedo parameters X is 80 ~ 90.
3. diffusion barrier as claimed in claim 1, wherein,
Described diffusion barrier possesses diffusion layer, and described diffusion layer phase comprises the light-transmissive resin of 15 ~ 80 weight portions and the light transmitting particles of 3 ~ 30 weight portions for diffusion layer formation composition in its entirety 100 weight portion.
4. diffusion barrier as claimed in claim 3, wherein,
The mean grain size of described light transmitting particles is 1 ~ 10 μm.
5. diffusion barrier as claimed in claim 3, wherein,
The thickness of described diffusion layer is 1 ~ 20 μm.
6. a Polarizer, is characterized in that,
Possesses the diffusion barrier according to any one of claim 1 to 5.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120153196A KR101959475B1 (en) | 2012-12-26 | 2012-12-26 | Diffusion film and polarizing plate using the same |
| KR10-2012-0153196 | 2012-12-26 | ||
| PCT/KR2013/011719 WO2014104638A1 (en) | 2012-12-26 | 2013-12-17 | Diffusion film and polarizing plate comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104884984A true CN104884984A (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380068530.3A Pending CN104884984A (en) | 2012-12-26 | 2013-12-17 | Diffusion film and polarizing plate comprising same |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2016505165A (en) |
| KR (1) | KR101959475B1 (en) |
| CN (1) | CN104884984A (en) |
| TW (1) | TW201428354A (en) |
| WO (1) | WO2014104638A1 (en) |
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- 2012-12-26 KR KR1020120153196A patent/KR101959475B1/en active IP Right Grant
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- 2013-12-17 CN CN201380068530.3A patent/CN104884984A/en active Pending
- 2013-12-17 WO PCT/KR2013/011719 patent/WO2014104638A1/en active Application Filing
- 2013-12-17 JP JP2015550301A patent/JP2016505165A/en active Pending
- 2013-12-25 TW TW102148099A patent/TW201428354A/en unknown
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| JP2001281406A (en) * | 2000-03-28 | 2001-10-10 | Fuji Photo Film Co Ltd | Glare proof antireflection film, polarizing plate and liquid crystal display |
| CN1794016A (en) * | 2004-12-22 | 2006-06-28 | 日东电工株式会社 | Hard-coated antiglare film and method of manufacturing the same |
| CN101074996A (en) * | 2006-05-16 | 2007-11-21 | 日东电工株式会社 | Hard-coated antiglare film, polarizing plate, and image display |
| WO2009041321A1 (en) * | 2007-09-26 | 2009-04-02 | Konica Minolta Opto, Inc. | Optical film, polarization plate and image display device |
| CN102798907A (en) * | 2011-05-27 | 2012-11-28 | 东友精细化工有限公司 | Anti-dazzle film, polarizer using anti-dazzle film, and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016505165A (en) | 2016-02-18 |
| KR101959475B1 (en) | 2019-03-18 |
| TW201428354A (en) | 2014-07-16 |
| WO2014104638A1 (en) | 2014-07-03 |
| KR20140083445A (en) | 2014-07-04 |
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Application publication date: 20150902 |