CN104375223A - Film used for manufacturing brightness enhancement film - Google Patents
Film used for manufacturing brightness enhancement film Download PDFInfo
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- CN104375223A CN104375223A CN201410603348.XA CN201410603348A CN104375223A CN 104375223 A CN104375223 A CN 104375223A CN 201410603348 A CN201410603348 A CN 201410603348A CN 104375223 A CN104375223 A CN 104375223A
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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
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
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Abstract
The invention discloses a film used for manufacturing a brightness enhancement film. The film comprises a transparent base material and adhesion layers, wherein the two surfaces of the base material are coated with the adhesion layers. An anti-sticking layer is arranged on one adhesion layer, hard particles with the particle size ranging from 1 micron to 10 microns and soft particles with the particle size ranging from 1.5 microns to 20 microns are randomly distributed in the anti-sticking layer, and the weight ratio of the hard particles to the soft particles is 10:1-2:1. By combining the hard particles with the soft particles and controlling the particle sizes, problems existing when the hard particles and the soft particles are independently used are solved, a brightness enhancement layer can be protected against scratches when the brightness enhancement film is manufactured, no fingerprint will be left when the brightness enhancement film is inspected, the yield in production of the brightness enhancement film can be significantly increased, and the haze of the product can be guaranteed. Thus, the film can be widely applied to the field of brightness enhancement films.
Description
Technical field
The present invention relates to optical film technology field, particularly a kind of film that can be used for manufacture brightness enhancement film.
Background technology
Brightness enhancement film refers to and is applied in TFT-LCD backlight module to improve the film that whole back light system luminescence efficiency is aim.Common brightness enhancement film is made up of a flat-shaped substrate and multiple prism that can converge light.
Brightness enhancement film in order to the normal rolling of energy, generally can establish an adherent layer in process of production on the basement membrane that brightness enhancement film is used.Containing micro particles in adherent layer, friction force during for reducing brightness enhancement film rolling, yield rate when improving rolling; Meanwhile, adherent layer also should have certain mist degree, for covering flaw, the disadvantage of whole backlight module.At present, the particle used in adherent layer comprises the hard particles such as silicon dioxide, PMMA, or Soft particles, but, hard particles is easy scratch layers of prisms in brightness enhancement film rolling or assembling process, although Soft particles effectively can protect layers of prisms, there are the following problems: one is need to observe by hand-held brightness enhancement film when detecting, be easy in this process leave fingerprint in brightness enhancement film, reduce yield rate; Two is the reductions causing adherent layer hardness and crocking resistance, easily produces on adherent layer in assembling process and scratches.
Summary of the invention
The technical problem to be solved in the present invention is the problems referred to above existed for prior art, provides a kind of film for the manufacture of brightness enhancement film.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of film for the manufacture of brightness enhancement film, comprise transparent base and be coated in the following layer on base material two surfaces, a following layer is provided with adherent layer wherein, to be the hard particles of 1 ~ 10 μm and particle diameter the be Soft particles of 1.5 ~ 20 μm that in described adherent layer, stochastic distribution particle diameter, the part by weight of hard particles and Soft particles is 10:1 ~ 2:1.
The above-mentioned film for the manufacture of brightness enhancement film, the particle diameter of described Soft particles is 1.5 ~ 2 times of hard particles particle diameter.
The above-mentioned film for the manufacture of brightness enhancement film, the thickness of described adherent layer is 0.5 ~ 9.0 μm.
The above-mentioned film for the manufacture of brightness enhancement film, described adherent layer is formed through ultraviolet light polymerization by the coating fluid containing hard particles and Soft particles, the component that coating fluid contains and weight portion thereof are: UV acryl resin 20 ~ 50 parts, light trigger 0.5 ~ 5 part, levelling agent 0.01 ~ 0.5 part, hard particles 0.04 ~ 9 part, Soft particles 0.02 ~ 3.5 part, sagging inhibitor 0.5 ~ 2 part, solvent 30 ~ 80 parts.
The above-mentioned film for the manufacture of brightness enhancement film, described hard particles is selected from silicon dioxide, polymethyl acrylate (PMMA), polycarbonate (PC), polystyrene (PS) or their composition.
The above-mentioned film for the manufacture of brightness enhancement film, described Soft particles is selected from polyurethane, butyl polyacrylate (PBMA), elasticity wax powder or their composition.
The above-mentioned film for the manufacture of brightness enhancement film, described UV acryl resin is selected from viscosity (methyl) acrylic ester prepolymer more than more than 10000cps, 6 functionality.
The above-mentioned film for the manufacture of brightness enhancement film, described sagging inhibitor is that polyamide is cured, modified urea, polyhydroxycarboxylicacid amides.
Compared with prior art, the present invention is used by the random combine of hard particles and Soft particles, and pass through the selection of their particle size and the control of usage ratio, solve Problems existing when being used alone hard particles or Soft particles, protection brightness enhancement layer can not be scraped off when manufacturing brightness enhancement film, and not leave fingerprint when checking brightness enhancement film; Can significantly improve yield rate when brightness enhancement film is produced, can also ensure the mist degree of product, this product can be widely used in brightness enhancement film field simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, each label is expressed as: 1, transparent base; 2, following layer; 3, adherent layer; 4, Soft particles; 5, hard particles.
Embodiment
In the present invention, described following layer can be known polyester, layer of polyurethane etc.
In the present invention, in order to make adherent layer have enough hardness and wearing quality, described UV acryl resin selects (methyl) acrylic ester prepolymer of more than 6 commercially available functionality; And in order to ensure hard particles and the Soft particles stability in coating fluid, the viscosity (25 DEG C) of above-mentioned (methyl) acrylic ester prepolymer must at more than 10000cps.
In the present invention, described light trigger is the raw material that this area is commonly used, and being applicable to light trigger of the present invention has free radical polymerization light trigger and the large class of Cationic photoinitiator two.The light trigger exemplified has: free radical polymerization light trigger: 2-hydroxy-methyl phenyl-propane-1-ketone (1173), 1-hydroxy-cyclohexyl phenyl ketone (184), 2-methyl isophthalic acid-(4-methyl mercapto phenyl)-2-morpholinyl-1-acetone (907), benzoin dimethylether (651), 2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide (TPO), benzophenone (BP), 2-isopropyl thioxanthone (ITX) etc.; Cationic photoinitiator: diaryl group iodized salt, triaryl salt compounded of iodine, alkyl salt compounded of iodine, the luxuriant iron hexafluorophosphate of isopropyl benzene etc.The preferred free radical polymerization light trigger of the present invention, as 2-hydroxy-methyl phenyl-propane-1-ketone (1173) and 1-hydroxy-cyclohexyl phenyl ketone (184).Above-mentioned light trigger is 0.5 ~ 5 weight portion preferably.These light curing agents can be used alone, and also can combinationally use more than 2 kinds or its.
In the present invention, in order to improve the flatness of coating, containing levelling agent in coating fluid, be applicable to levelling agent of the present invention and can be selected from commercially available organosiloxane or acrylic acid levelling agent, as: BYK-307, BYK-377, BYK-354, BYK-306, BYK-333, Levaslip 407, Levaslip 410, Levaslip 411, Levaslip 432, Levaslip 466 etc.Amount preferably 0.01 ~ 0.5 weight portion of levelling agent.
As required, in the coating fluid in the present invention, also add solvent, as long as adherent layer of the present invention can be formed on base material, conventional organic solvent can be used and without any restriction, such as: aliphatic hydrocarbon as hexane, heptane and cyclohexane; Aromatic hydrocarbons is as toluene and dimethylbenzene; Halogenated hydrocarbons is as methylene chloride and ethylene dichloride; Alcohols as methyl alcohol, ethanol, propyl alcohol and butanols; Ketone as acetone, butanone, methyl ethyl ketone, 2 pentanone, and isophorone; Ester class is as ethyl acetate and butyl acetate; And cellosolve based solvent is as ethyl cellosolve.Organic solvent can be used alone or combinationally uses with two or more.
In the present invention, described sagging inhibitor can make hard particles and Soft particles suspend in coating fluid, avoids the coating disadvantage caused due to particle precipitation.Sagging inhibitor preferred polyamide is cured, modified urea and polyhydroxycarboxylicacid amides.
In the present invention, described coating method can adopt conventional method, and as stick coating method, scraper for coating method, Mayer stick coating method, rolling method, scraper plate rubbing method, bar seam rubbing method and gravure coating process form coating.Preferred stripe seam and gravure coating process.
As for make the ultraviolet of the resin solidification in coating of the present invention can from high-pressure sodium lamp, merge H lamp or xenon lamp and obtain, usually, for the light quantity of irradiating at 100 ~ 500mj/cm
2scope in, preferably 300 ~ 500mj/cm
2scope.
Support of the present invention is preferably plastic sheeting, the example of plastic sheeting comprises: mylar, as the laminated film etc. of polyethylene terephthalate (PET), polycarbonate film (PC), polymethyl methacrylate film (PMMA), ABS and PET laminated film, PC and PMMA, preferably polyethylene terephthalate (PET), polycarbonate film (PC), more preferred polyethylene terephthalate (PET).The thickness of support has no particular limits.Usually, described thickness at 20 ~ 300 μm, preferably in the scope of 25 ~ 250 μm.
Below in conjunction with drawings and Examples, the invention will be further described, but protection of the present invention is not limited to following examples.
Embodiment 1
The preparation of adherent layer coating fluid:
UV acryl resin 6196-100 20 g
Light trigger 1,173 0.5 g
Levelling agent BYK-377 0.01 g
Silicon dioxide granule 0.2 g
Polyurethane particles 0.02 g
Sagging inhibitor BYK-410 0.5 g
Methyl ethyl ketone 80 g;
Add UV acryl resin 6196-100 [the viscosity 200000cps of 20g in a reservoir; 15 functionality; Changxing chemistry], the light trigger 1173 [Tianjin proud son of heaven Chemical Co., Ltd.] of 0.5g, the levelling agent BYK-377 [Bi Ke] of 0.01g, the particle diameter of 0.2g be the silicon dioxide granule [Degussa] of 1.0 μm, the particle diameter of 0.02g is the polyurethane particles [on root resin] of 1.5 μm, the sagging inhibitor BYK-410 [Bi Ke] of 0.5g and 80g methyl ethyl ketone, stirring obtains adherent layer coating fluid, stand-by.
Be two surface coating following layers of the polyethylene terephthalate of 25 μm at thickness, a following layer apply the coating fluid prepared wherein above, after 80 DEG C to the dry 2min of the coating formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, obtain the adherent layer that thickness is 0.5 μm, in adherent layer, stochastic distribution particle diameter to be the hard particles silicon dioxide of 1.0 μm and particle diameter the be Soft particles polyurethane of 1.5 microns, the part by weight of hard particles and Soft particles is 10:1.
Embodiment 2
The preparation of adherent layer coating fluid:
UV acryl resin CN8000NS 28g
Light trigger TPO) 1.5g
Levelling agent (BYK-307 0.1g
PMMA 0.8g
The cured powder 0.1g of elasticity
Sagging inhibitor MONORAL3300S 0.8g
Ethyl acetate 70g
Add UV acryl resin CN8000NS [the viscosity 14000cps of 28g in a reservoir; 6 functionality; Sartomer], [polyamide is cured for the sagging inhibitor MONORAL3300S of the light trigger TPO [Tianjin proud son of heaven Chemical Co., Ltd.] of 1.5g, the levelling agent BYK-307 [Bi Ke] of 0.1g, the particle diameter of 0.8g be the PMMA particle [ponding chemistry] of 2.5 μm, the particle diameter of 0.1g is 4.2 μm the cured powder of elasticity [Bi Ke], 0.8g; HSCHEMACAI] and the ethyl acetate of 70g, stir and obtain adherent layer coating fluid, stand-by.
Be two surface coating following layers of the polyethylene terephthalate of 75 μm at thickness, a following layer apply the coating fluid prepared wherein above, after 80 DEG C to the dry 2min of the coating formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, obtaining thickness is 2.0 μm of adherent layers, in adherent layer, stochastic distribution particle diameter to be the hard particles PMMA of 2.5 μm and particle diameter the be cured powder of soft grain elasticity of 4.2 microns, and the part by weight of hard particles and Soft particles is 8:1.
Embodiment 3
The preparation of adherent layer coating fluid:
UV acryl resin
cN9013NS35g
Light trigger 184 2.5g
Levelling agent Levaslip 410 0.2g
PC particle 4.8g
PBMA particle 0.8g
Sagging inhibitor BYK-405 1.2g
Toluene 55g;
Add UV acryl resin CN9013NS [the viscosity 10000cps of 35g in a reservoir; 9 functionality; Sartomer], the sagging inhibitor BYK-405 [polyhydroxycarboxylicacid amides of the light trigger 184 [Tianjin proud son of heaven Chemical Co., Ltd.] of 2.5g, the levelling agent Levaslip 410 [moral is modest] of 0.2g, the particle diameter of 4.8g be the PC particle [GE] of 6.0 μm, the particle diameter of 0.8g is 11 μm PBMA particle [Japan like gram], 1.2g; Bi Ke] and the toluene of 55g, stir and obtain adherent layer coating fluid, stand-by.
Be two surface coating following layers of the polyethylene terephthalate of 125 μm at thickness, a following layer apply the coating fluid prepared wherein above, after 80 DEG C to the dry 2min of the coating formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, obtaining thickness is 5.0 μm of adherent layers, in adherent layer, stochastic distribution particle diameter to be the hard particles PC of 6.0 μm and particle diameter the be Soft particles PBMA of 11 microns, and the part by weight of hard particles and Soft particles is 6:1.
Embodiment 4
The preparation of adherent layer coating fluid:
UV acryl resin UVU6609 40g
Light trigger 907 3.5g
Levelling agent BYK-333 0.4g
PS particle 9.0g
Polyurethane particles 2.25g
Sagging inhibitor BYK-410 1.6g
Ethanol 43g;
Add UV acryl resin UVU6609 [the viscosity 15000cps of 40g in a reservoir; 6 functionality; Shaanxi Xi Laiwu], the light trigger 907 [BASF] of 3.5g, the levelling agent BYK-333 [Bi Ke] of 0.4g, the particle diameter of 9.0g be the PS particle [NEC chemistry] of 9.0 μm, the particle diameter of 2.25g is the polyurethane particles [on root resin] of 17 μm, the sagging inhibitor BYK-410 [modified urea of 1.6g; Bi Ke] and the ethanol of 43g, stir and obtain adherent layer coating fluid, stand-by.
Be two surface coating following layers of the polyethylene terephthalate of 188 μm at thickness, a following layer apply the coating fluid prepared wherein above, after 80 DEG C to the dry 2min of the coating formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, obtaining thickness is 7.0 μm of adherent layers, in adherent layer, stochastic distribution particle diameter to be the hard particles PS of 9.0 μm and particle diameter the be Soft particles polyurethane of 17 microns, and the part by weight of hard particles and Soft particles is 4:1.
Embodiment 5
The preparation of adherent layer coating fluid:
UV acryl resin UX-5005 50g
Light trigger 1173 5.0g
Levelling agent Levaslip 432 0.5g
Silicon dioxide granule 7.0g
PBMA particle 3.5g
Sagging inhibitor BYK-405 2.0g
Isopropyl alcohol 30g;
Add UV acryl resin UX-5005 [the viscosity 100000cps of 50g in a reservoir; 9 functionality; Sa Bisi], the sagging inhibitor BYK-405 [polyhydroxycarboxylicacid amides of the light trigger 1173 [Tianjin proud son of heaven Chemical Co., Ltd.] of 5.0g, the levelling agent Levaslip 432 [moral is modest] of 0.5g, the particle diameter of 7.0g be the silicon dioxide granule [Degussa] of 10 μm, the particle diameter of 3.5g is 20 μm PBMA particle [Japan like gram], 2.0g; Bi Ke] and the isopropyl alcohol of 30g, stir and obtain adherent layer coating fluid, stand-by.
Be two surface coating following layers of the polyethylene terephthalate of 250 μm at thickness, a following layer apply the coating fluid prepared wherein above, after 80 DEG C to the dry 2min of the coating formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, obtaining thickness is 9.0 μm of adherent layers, in adherent layer, stochastic distribution particle diameter to be the hard particles silicon dioxide of 10 μm and particle diameter the be Soft particles PBMA of 20 microns, and the part by weight of hard particles and Soft particles is 2:1.
Comparative example 1
The preparation of adherent layer coating fluid:
UV acryl resin 6196-100 20 g
Light trigger 1,173 0.5 g
Levelling agent BYK-377 0.01 g
Particle silicon dioxide 0.5 g
Sagging inhibitor BYK-410 0.5 g
Methyl ethyl ketone 80 g;
Add UV acryl resin 6196-100 [the viscosity 200000cps of 20g in a reservoir; 15 functionality; Changxing chemistry], the light trigger 1173 [Tianjin proud son of heaven Chemical Co., Ltd.] of 0.5g, the levelling agent BYK-377 [Bi Ke] of 0.01g, the particle diameter of 0.5g be the silicon dioxide granule [Degussa] of 1.0 μm, the sagging inhibitor BYK-410 [modified urea of 0.5g; Bi Ke] and the methyl ethyl ketone of 80g, stir and obtain adherent layer coating fluid, stand-by.
Be two surface coating following layers of the polyethylene terephthalate of 25 μm at thickness, a following layer apply the coating fluid prepared wherein above, after 80 DEG C to the dry 2min of the coating formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, obtain the adherent layer that thickness is 0.5 μm, in adherent layer, stochastic distribution the hard particles silicon dioxide that particle diameter is 1.0 μm, is do not add Soft particles with embodiment 1 difference.
Comparative example 2
The preparation of adherent layer coating fluid:
UV acryl resin UX-5005 50g
Light trigger 1173 5.0g
Levelling agent (evaslip 432 0.5g
PBMA particle 7.0g
Sagging inhibitor BYK-405 2.0g
Isopropyl alcohol 30g;
Add UV acryl resin UX-5005 [the viscosity 100000cps of 50g in a reservoir; 9 functionality; Sa Bisi], the light trigger 1173 [Tianjin proud son of heaven Chemical Co., Ltd.] of 5.0g, the levelling agent Levaslip 432 [moral is modest] of 0.5g, the particle diameter of 7.0g be the PBMA particle [Japan like gram] of 20 μm, the sagging inhibitor BYK-405 [polyhydroxycarboxylicacid amides of 2.0g; Bi Ke] and the isopropyl alcohol of 30g, stir and obtain adherent layer coating fluid, stand-by.
Be two surface coating following layers of the polyethylene terephthalate of 250 μm at thickness, a following layer apply the coating fluid prepared wherein above, after 80 DEG C to the dry 2min of the coating formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, obtaining thickness is 9.0 μm of adherent layers, and in adherent layer, stochastic distribution the Soft particles PBMA that particle diameter is 20 microns, is do not add hard particles with embodiment 5 difference.
Table 1: each embodiment test data table
In table, the method for testing of properties is as follows:
1. the judgement of anti-fingerprint performance
The adherent layer of film is upwards laid in glass plate, puts on silica-gel gloves on hand, firmly pressed on adherent layer by thumb, press five points at random at diverse location, observe fingerprint situation, record following Three Estate under three wavelength lamps, wherein A and B is qualified:
(A) five points all cannot see fingerprint;
(B) five points have a point to see fingerprint;
(C) five points have plural point to see fingerprint;
2. pencil hardness test
According to the method for standard GB/T6739-1996, utilize hardness of film tester [the Shanghai Pu Shen chemical machinery company limited swiped by pencil; Model: " BY "] measure pencil hardness.
3. resistance to steel wool scratch
Use the Kunshan good instrument A20-339 testing machine of resistance to steel wool of essence at 200gf/cm
2loading under, use #0000 steel wool to rub 10 times back and forth on the surface at adherent layer, confirm that coating is with or without scuffing.
[criterion]
Scratch 0 judgement " PASS "
Hua Shang≤1 judges " NG "
4. transmittance and mist degree test
Use transmittance haze meter [Japanese electricity Se company; Model: NDH2000N] measure transmittance and mist degree.
Claims (8)
1. the film for the manufacture of brightness enhancement film, comprise transparent base (1) and be coated in the following layer (2) on base material two surfaces, a following layer is provided with adherent layer (3) wherein, it is characterized in that, to be the hard particles (5) of 1 ~ 10 μm and particle diameter the be Soft particles (4) of 1.5 ~ 20 μm that in described adherent layer, stochastic distribution particle diameter, the part by weight of hard particles and Soft particles is 10:1 ~ 2:1.
2. film according to claim 1, is characterized in that, the particle diameter of described Soft particles (4) is 1.5 to 2 times of hard particles (5) particle diameter.
3. film according to claim 2, is characterized in that, described adherent layer (3) thickness is 0.5 ~ 9.0 μm.
4. the film according to claim 1,2 or 3, it is characterized in that, described adherent layer (3) is formed through ultraviolet light polymerization by the coating fluid containing hard particles (5) and Soft particles (4), the component that coating fluid contains and weight portion thereof are: UV acryl resin 20 ~ 50 parts, light trigger 0.5 ~ 5 part, levelling agent 0.01 ~ 0.5 part, hard particles 0.04 ~ 9 part, Soft particles 0.02 ~ 3.5 part, sagging inhibitor 0.5 ~ 2 part, solvent 30 ~ 80 parts.
5. film according to claim 4, is characterized in that, described hard particles (5) is selected from silicon dioxide, polymethyl acrylate, polycarbonate, polystyrene or their composition.
6. film according to claim 5, is characterized in that, described Soft particles (4) is selected from polyurethane, butyl polyacrylate, elasticity wax powder or their composition.
7. film according to claim 6, is characterized in that, described UV acryl resin is selected from viscosity (methyl) acrylic ester prepolymer more than more than 10000cps, 6 functionality.
8. film according to claim 7, is characterized in that, described sagging inhibitor is that polyamide is cured, modified urea, polyhydroxycarboxylicacid amides.
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CN104375223B CN104375223B (en) | 2017-05-17 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105445828A (en) * | 2015-12-26 | 2016-03-30 | 合肥乐凯科技产业有限公司 | Thin film capable of improving brightness of brightness enhancement film |
CN106675135A (en) * | 2016-12-25 | 2017-05-17 | 合肥乐凯科技产业有限公司 | Coating composition and polyester film containing composition |
CN110429210A (en) * | 2019-07-19 | 2019-11-08 | 厦门长塑实业有限公司 | A kind of polyamide film and its preparation process of lithium battery flexible packaging |
CN115403969A (en) * | 2021-12-21 | 2022-11-29 | 南通恒华粘合材料科技有限公司 | UV-cured high-wear-resistance high-hydrophobic coating and preparation method thereof |
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CN1885123A (en) * | 2005-06-20 | 2006-12-27 | 三星电子株式会社 | Liquid crystal display and brightness enhancement film therefor |
CN1924624A (en) * | 2005-08-30 | 2007-03-07 | 惠和株式会社 | Substrate film for optical sheet, optical sheet and backlight unit |
CN101149515A (en) * | 2006-09-22 | 2008-03-26 | 宣茂科技股份有限公司 | Backlight module combined by optical diaphragm |
CN101630029A (en) * | 2008-07-18 | 2010-01-20 | 株式会社Jiro企业策划 | Base sheet for optical sheet |
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CN1372577A (en) * | 1999-08-17 | 2002-10-02 | 陶氏化学公司 | Free-flowing polymer composition |
US20060209416A1 (en) * | 2005-03-18 | 2006-09-21 | Toray Saehan Inc. | Light-diffusing film having pores |
CN1885123A (en) * | 2005-06-20 | 2006-12-27 | 三星电子株式会社 | Liquid crystal display and brightness enhancement film therefor |
CN1924624A (en) * | 2005-08-30 | 2007-03-07 | 惠和株式会社 | Substrate film for optical sheet, optical sheet and backlight unit |
CN101149515A (en) * | 2006-09-22 | 2008-03-26 | 宣茂科技股份有限公司 | Backlight module combined by optical diaphragm |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105445828A (en) * | 2015-12-26 | 2016-03-30 | 合肥乐凯科技产业有限公司 | Thin film capable of improving brightness of brightness enhancement film |
CN106675135A (en) * | 2016-12-25 | 2017-05-17 | 合肥乐凯科技产业有限公司 | Coating composition and polyester film containing composition |
CN110429210A (en) * | 2019-07-19 | 2019-11-08 | 厦门长塑实业有限公司 | A kind of polyamide film and its preparation process of lithium battery flexible packaging |
CN115403969A (en) * | 2021-12-21 | 2022-11-29 | 南通恒华粘合材料科技有限公司 | UV-cured high-wear-resistance high-hydrophobic coating and preparation method thereof |
CN115403969B (en) * | 2021-12-21 | 2023-09-12 | 南通恒华粘合材料科技有限公司 | UV-cured high-wear-resistance Gao Shushui coating and preparation method thereof |
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