CN105445828A - Thin film capable of improving brightness of brightness enhancement film - Google Patents
Thin film capable of improving brightness of brightness enhancement film Download PDFInfo
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- CN105445828A CN105445828A CN201511003468.7A CN201511003468A CN105445828A CN 105445828 A CN105445828 A CN 105445828A CN 201511003468 A CN201511003468 A CN 201511003468A CN 105445828 A CN105445828 A CN 105445828A
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- film
- brightness enhancement
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- enhancement film
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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
- G02B5/0231—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 the surface having microprismatic or micropyramidal shape
-
- 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
Abstract
The invention discloses a thin film capable of improving the brightness of a brightness enhancement film. The thin film comprises a transparent substrate and connecting layers which coat two surfaces of the substrate; one of the connecting layers is provided with an anti-sticking layer; the refractive index of the anti-sticking layer ranges from 1.38 to 1.48; and micro-particles 4 of which the particle size ranges from 2 microns to 20 microns are randomly distributed in the anti-sticking layer. According to the thin film of the invention, the low-refractive index anti-sticking layer is adopted, when a brightness enhancement film is produced on the thin film, a prism layer can be effectively protected, and higher brightness can be realized. The thin film is widely applied to the field of brightness enhancement films of various kinds of structures.
Description
Technical field
The present invention relates to field of optical films, particularly a kind of film improving brightness enhancement film briliancy.
Background technology
Backlight module for liquid crystal display is formed by stacking by multiple blooming, in general framework, from bottom to top (with to liquid crystal display direction for benchmark) comprise reflectance coating, diffusion barrier, brightness enhancement film, brightness enhancement film, diffusion barrier successively, the effect that these membrane combination are got up is the luminous energy utilized in maximum efficiency in backlight module, is utilized by light and concentrates projection to user direction with maximal efficiency.Common brightness enhancement film is made up of a flat-shaped substrate and multiple prism that can converge light.
Brightness enhancement film (as Fig. 2) in order to the normal rolling of energy, generally understands adhesion coating of setting up defences on the basement membrane that brightness enhancement film is used in process of production.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.
The effect main in backlight module of brightness enhancement film is the briliancy strengthening backlight, and the design of the various structure of brightness enhancement film is also be the first object to improve briliancy mostly.Improve the briliancy of brightness enhancement film except the structural design by prism, the refractive index improving layers of prisms is also the most frequently used method.Layers of prisms forms by UV cured resin is crosslinked, and the refractive index improving layers of prisms means that this must improve the refractive index of UV cured resin.But the general refractive index of UV cured resin, 1.48 ~ 1.52, improves its refractive index, just need in resin, introduce new group, the result caused is that hardness and adhesion strength are deteriorated; And along with the raising of resin index, resin cost can increase at double.
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 improving brightness enhancement film briliancy.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of film improving brightness enhancement film briliancy, comprise transparent base and be coated in the following layer on base material two surfaces, a following layer is provided with adherent layer wherein, and the refractive index of described adherent layer is 1.38 ~ 1.48, and in adherent layer, stochastic distribution particle diameter is the particulate of 2 μm ~ 20 μm.
The above-mentioned film improving brightness enhancement film briliancy, described adherent layer be by containing atomic coating liquid on following layer, formed through ultraviolet light polymerization, the component that coating fluid contains and weight portion thereof are: fluorine richness UV acryl resin 15 parts ~ 45 parts, UV acryl resin 5 parts ~ 20 parts, light trigger 0.5 part ~ 5 parts, levelling agent 0.01 part ~ 0.5 part, particulate 0.5 part ~ 5 parts, organic solvent 15 parts ~ 40 parts, containing fluorous solvent 15 parts ~ 40 parts.
The above-mentioned film improving brightness enhancement film briliancy, described fluorine richness UV acryl resin is refractive index at fluorine richness (methyl) acrylic ester prepolymer of 1.34 ~ 1.45 scopes, fluorine richness (methyl) acrylate monomer or their composition.
The above-mentioned film improving brightness enhancement film briliancy, described UV acryl resin is more than 4 functionality or 4 functionality (methyl) acrylic ester prepolymer, (methyl) acrylate monomer or their composition.
The above-mentioned film improving brightness enhancement film briliancy, described particulate is selected from silicon dioxide, polymethyl acrylate, polycarbonate, polystyrene, polyurethane, butyl polyacrylate, elasticity wax powder or their composition.
The above-mentioned film improving brightness enhancement film briliancy, the thickness of described adherent layer is 1 μm ~ 15 μm.
Compared with prior art, the present invention has the following advantages:
(1) the present invention is by arranging the adherent layer of low-refraction, and this film manufactures brightness enhancement film, not only effectively can protect layers of prisms, and can obtain higher briliancy.
(2), when using film of the present invention to design brightness enhancement film, the common UV cured resin that the layers of prisms of brightness enhancement film can select price lower, need not select expensive high refractive index resins just can reach the briliancy of needs, can save chemical industry cost; And common UV cured resin is higher than high refractive index resins hardness, the adhesion strength of layers of prisms is improved.
The present invention can be widely used in the brightness enhancement film field of various structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of brightness enhancement film.
In figure, each label is expressed as: 1: transparent base 1; 2: following layer; 3: adherent layer; 4: particulate; 5: layers of prisms.
Embodiment
Following layer described in the present invention can adopt common polyester, polyurethane etc.
In order to make adherent layer have low refractive index, described fluorine richness UV acryl resin is refractive index at fluorine richness (methyl) acrylic ester prepolymer of 1.34 ~ 1.45 scopes, fluorine richness (methyl) acrylate monomer or their composition.Being applicable to fluorine richness UV acryl resin of the present invention can be commercially available fluorine richness aliphatic polyurethane (methyl) acrylic ester prepolymer, fluorine richness aromatic urethane (methyl) acrylic ester prepolymer, fluorine richness polyester (methyl) acrylic ester prepolymer, pure (methyl) acrylate of fluorine or fluorine richness (methyl) acrylate monomer.
The present invention has enough hardness and wearing quality to make adherent layer, and described UV acryl resin selects (methyl) acrylic ester prepolymers of more than 4 commercially available functionality or 4 functionality, (methyl) acrylate monomer or their composition.Be specifically related to: aliphatic polyurethane four (methyl) acrylate, aliphatic polyurethane five (methyl) acrylate, aliphatic polyurethane six (methyl) acrylate, aliphatic polyurethane nine (methyl) acrylate, aliphatic polyurethane ten (methyl) acrylate, aliphatic polyurethane 12 (methyl) acrylate, aliphatic polyurethane 15 (methyl) acrylate, aromatic urethane four (methyl) acrylate, aromatic urethane five (methyl) acrylate, aromatic urethane six (methyl) acrylate, aromatic urethane nine (methyl) acrylate, aromatic urethane ten (methyl) acrylate, aromatic urethane 12 (methyl) acrylate, aromatic urethane 15 (methyl) acrylate, polyester polyol, pentaerythrite four (methyl) acrylate, ethoxyquin pentaerythrite four (methyl) acrylate, dipentaerythritol four (methyl) acrylate, dipentaerythritol five (methyl) acrylate, dipentaerythritol six (methyl) acrylate, two-three hydroxyl (methyl) tetraacrylate etc.
Particulate of the present invention plays the effect preventing adhesion and hide flaw in adherent layer, and being applicable to particulate of the present invention can be commercially available silicon dioxide, polymethyl acrylate, polycarbonate, polystyrene, polyurethane, butyl polyacrylate, elasticity wax powder or their composition.Atomic particle diameter is selected from 2 μm ~ 20 μm.In order to play the effect hiding flaw, and ensure the briliancy of post-production brightness enhancement film, the addition of particulate in coating fluid be 0.5 weight portion ~ 5 weight portion preferably.
Light trigger of the present invention 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.
The present invention is 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, Levaslip407, Levaslip410, Levaslip411, Levaslip432, Levaslip466 etc.Amount preferably 0.01 ~ 0.5 weight portion of levelling agent.
As required, in the coating fluid in the present invention, also add organic 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 is as hexane, heptane and cyclohexane; Aromatic hydrocarbons is as toluene and dimethylbenzene; Halogenated hydrocarbons is as methylene chloride and ethylene dichloride; Alcohols is as methyl alcohol, ethanol, propyl alcohol and butanols; Ketone is 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 order to dissolve fluorine richness UV acryl resin, the coating fluid in the present invention needs to add containing fluorous solvent.Commercially available (perfluor is oxygen base) methane can be used containing fluorous solvent, ten trifluoro hexanes, HFC-134a, o-fluoronitrobenzene, p-fluoronitrobenzene, 2, 3, 4-trifluoronitrobenzene, 2, 4-difluoro nitrobenzene, 3, 4-difluoro nitrobenzene, 3, 5-difluoro nitrobenzene, 3, 4, 5-trifluoronitrobenzene, 3, 4, 5-trifluoromethyl aniline, m-bromofluorobenzene, fluorobromobenzene 2, 4-difluoro bromobenzene, 2, 5-difluoro bromobenzene, 3, 4-difluoro bromobenzene, 3, 5-difluoro bromobenzene, 3, 4, 5-trifluorobromobenzene, 2, 4, 5-trifluorobromobenzene, 2, 3, 5-trifluorobromobenzene, 1, 2-difluorobenzene, 1, 3-difluorobenzene, 1, 4-difluorobenzene, 1, 2, 3-trifluoro-benzene, 1, 2, 4-trifluoro-benzene, 1, 3, 5-trifluoro-benzene, 1, 2, 3, 4-phenyl tetrafluoride, 1, 2, 3, 5-phenyl tetrafluoride, 1, 2, 4, 5-phenyl tetrafluoride, 1, 2, 3, 4, 5-phenyl-pentafluoride.Can be used alone containing fluorous solvent or combinationally use with two or more.
In the present invention adherent layer be by coating liquid on following layer, solidify to form through ultraviolet light (UV), described coating method can adopt conventional method, 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 100mj/cm
2~ 500mj/cm
2scope in, preferred 300mj/cm
2~ 500mj/cm
2scope.
Transparent base 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 μm ~ 300 μm, preferably in the scope of 25 μm ~ 250 μm.
Below in conjunction with drawings and Examples, the invention will be further described, but embodiments of the present invention are not limited to following examples.
Embodiment 1
The preparation of adherent layer coating fluid:
Add the fluorine richness UV acryl resin HFC-1 [refractive index 1.34 of 45 grams in a reservoir; Resistance to painting can], UV acryl resin 6196-100 [15 functionality of 5 grams; Changxing chemistry], the light trigger 184 [Tianjin proud son of heaven Chemical Co., Ltd.] of 5 grams, the levelling agent BYK-377 [Bi Ke] of 0.01 gram, the particle diameter of 0.5 gram be the silicon dioxide granule [Degussa] of 20 μm, the HFC-134a of 40 grams and the methyl ethyl ketone of 15 grams, stirring obtains adherent layer coating fluid, stand-by.
At the pet film [PG32B with two-sided following layer that thickness is 25 μm; Lekai] a following layer on apply the coating fluid prepared above, after 80 DEG C to the dry 2min of the coatings formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, forming thickness is the adherent layer of 15 μm, obtains the film that can be used for brightness enhancement film.
Embodiment 2
The preparation of adherent layer coating fluid:
Add the fluorine richness UV acryl resin HFC-1 [refractive index 1.34 of 37 grams in a reservoir; Resistance to painting can], UV acryl resin CN8000NS [6 functionality of 8 grams; Sartomer], the light trigger TPO [Tianjin proud son of heaven Chemical Co., Ltd.] of 3.7 grams, the levelling agent BYK-307 [Bi Ke] of 0.15 gram, the particle diameter of 1.8 grams be the PMMA particle [ponding chemistry] of 15 μm, (perfluor the is oxygen base) methane of 35 grams and the ethyl acetate of 20 grams, stirring obtains adherent layer coating fluid, stand-by.
At the pet film [PG32B with two-sided following layer that thickness is 75 μm; Lekai] a following layer on apply the coating fluid prepared above, after 80 DEG C to the dry 2min of the coatings formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, formed thickness be 11 μm of adherent layers, obtain the film that can be used for brightness enhancement film.
Embodiment 3
The preparation of adherent layer coating fluid:
Add the fluorine richness UV acryl resin SFMA [refractive index 1.38 of 30 grams in a reservoir; Sa Bisi], UV acryl resin CN9013NS [9 functionality of 12.5 grams; Sartomer], the light trigger 184 [Tianjin proud son of heaven Chemical Co., Ltd.] of 2.75 grams, the levelling agent Levaslip410 [moral is modest] of 0.26 gram, the particle diameter of 2.75 grams be the PBMA particle [Japan like gram] of 11 μm, the ten trifluoro hexanes of 27.5 grams and the toluene of 27.5 grams, stirring obtains adherent layer coating fluid, stand-by.
At the pet film [PG32B with two-sided following layer that thickness is 125 μm; Lekai] a following layer on apply the coating fluid prepared above, after 80 DEG C to the dry 2min of the coatings formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, formed thickness be 8 μm of adherent layers, obtain the film that can be used for brightness enhancement film.
Embodiment 4
The preparation of adherent layer coating fluid:
Add the fluorine richness UV acryl resin SPC-1410 [refractive index 1.40 of 22.5 grams in a reservoir; Sa Bisi], UV acryl resin UVU6609 [6 functionality of 16.5 grams; Shaanxi Xi Laiwu], the light trigger 907 [BASF] of 1.7 grams, the levelling agent BYK-333 [Bi Ke] of 0.38 gram, the particle diameter of 3.9 grams be the polyurethane particles [on root resin] of 7 μm, the p-fluoronitrobenzene of 22 grams and the ethanol of 35 grams, stirring obtains adherent layer coating fluid, stand-by.
At the pet film [PG32B with two-sided following layer that thickness is 188 μm; Lekai] a following layer on apply the coating fluid prepared above, after 80 DEG C to the dry 2min of the coatings formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, formed thickness be 5 μm of adherent layers, obtain the film that can be used for brightness enhancement film.
Embodiment 5
The preparation of adherent layer coating fluid:
Add the fluorine richness UV acryl resin SPC-1410 [refractive index 1.40 of 15 grams in a reservoir; Sa Bisi], UV acryl resin UX-5005 [9 functionality of 20 grams; Sa Bisi], the light trigger 1173 [Tianjin proud son of heaven Chemical Co., Ltd.] of 0.5 gram, the levelling agent Levaslip432 [moral is modest] of 0.5 gram, the particle diameter of 5 grams be the PBMA particle [Japan like gram] of 2 μm, 15 grams 1,2, the isopropyl alcohol of 3-trifluoro-benzene and 40 grams, stirring obtains adherent layer coating fluid, stand-by.
At the pet film [PG32B with two-sided following layer that thickness is 250 μm; Lekai] a following layer on apply the coating fluid prepared above, after 80 DEG C to the dry 2min of the coatings formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, formed thickness be 1 μm of adherent layer, obtain the film that can be used for brightness enhancement film.
Comparative example 1
Add UV acryl resin 6196-100 [15 functionality of 50 grams in a reservoir; Changxing chemistry], the light trigger 184 [Tianjin proud son of heaven Chemical Co., Ltd.] of 5 grams, the levelling agent BYK-377 [Bi Ke] of 0.01 gram, the particle diameter of 0.5 gram be the silicon dioxide granule [Degussa] of 20 μm, the HFC-134a of 40 grams and the methyl ethyl ketone of 15 grams, stirring obtains adherent layer coating fluid, stand-by.
At the pet film [PG32B with two-sided following layer that thickness is 25 μm; Lekai] a following layer on apply the coating fluid prepared above, after 80 DEG C to the dry 2min of the coatings formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, forming thickness is the adherent layer of 15 μm, obtains the film that can be used for brightness enhancement film.In adherent layer coating fluid, do not add the fluorine richness UV acryl resin of low-refraction with embodiment 1 difference.
Comparative example 2
The preparation of adherent layer coating fluid:
Add the high refractive index UV acryl resin KOMERATE-D0241 [refractive index 1.60 of 50 grams in a reservoir; KPX], the light trigger 184 [Tianjin proud son of heaven Chemical Co., Ltd.] of 5 grams, the levelling agent BYK-377 [Bi Ke] of 0.01 gram, the particle diameter of 0.5 gram be the silicon dioxide granule [Degussa] of 20 μm, the HFC-134a of 40 grams and the methyl ethyl ketone of 15 grams, stirring obtains adherent layer coating fluid, stand-by.
At the pet film [PG32B with two-sided following layer that thickness is 25 μm; Lekai] a following layer on apply the coating fluid prepared above, after 80 DEG C to the dry 2min of the coatings formed, with 400mJ/cm
2light quantity, be cured by the coating of Ultraviolet radiation to drying, forming thickness is the adherent layer of 15 μm, obtains the film that can be used for brightness enhancement film.That the UV acryl resin of high index of refraction selected by the resin in adherent layer coating fluid with embodiment 1 difference.
Table 1: each embodiment test data table
| Adherent layer refractive index | Brightness enhancement film briliancy | |
| Embodiment 1 | 1.38 | 1154 |
| Embodiment 2 | 1.40 | 1138 |
| Embodiment 3 | 1.43 | 1114 |
| Embodiment 4 | 1.46 | 1080 |
| Embodiment 5 | 1.48 | 960 |
| Comparative example 1 | 1.52 | 780 |
| Comparative example 2 | 1.60 | 540 |
In table, the method for testing of properties is as follows:
1. adherent layer refractive index
SGC-10 THICKNESS GAUGE FOR THE MEASUREMENT OF THIN FOILS [Tianjin Gangdong Technology Development Co., Ltd.] is used to test the refractive index of adherent layer.
2. brightness enhancement film briliancy
On the following layer of film of the present invention, conventional brightness enhancement film manufacture method (stamped method) is used to make two identical brightness enhancement film, be that prism orthogonal directions is superimposed by these two brightness enhancement film, prism facets is all upwards placed on brightness photometer [Japanese Fu Shida topcon-BM-7A] and tests briliancy, numerical value is larger, and briliancy is higher.
Claims (6)
1. one kind can be improved the film of brightness enhancement film briliancy, 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, the refractive index of described adherent layer is 1.38 ~ 1.48, and in adherent layer, stochastic distribution particle diameter is the particulate (4) of 2 μm ~ 20 μm.
2. the film improving brightness enhancement film briliancy according to claim 1, it is characterized in that, described adherent layer (3) be by the coating liquid containing particulate (4) on following layer (2), formed through ultraviolet light polymerization, the component that coating fluid contains and weight portion thereof are: fluorine richness UV acryl resin 15 parts ~ 45 parts, UV acryl resin 5 parts ~ 20 parts, light trigger 0.5 part ~ 5 parts, levelling agent 0.01 part ~ 0.5 part, particulate 0.5 part ~ 5 parts, organic solvent 15 parts ~ 40 parts, containing fluorous solvent 15 parts ~ 40 parts.
3. the film improving brightness enhancement film briliancy according to claim 2, it is characterized in that, described fluorine richness UV acryl resin is refractive index at fluorine richness (methyl) acrylic ester prepolymer of 1.34 ~ 1.45 scopes, fluorine richness (methyl) acrylate monomer or its composition.
4. the film improving brightness enhancement film briliancy according to claim 3, is characterized in that, described UV acryl resin is more than 4 functionality or 4 functionality (methyl) acrylic ester prepolymer, (methyl) acrylate monomer or their composition.
5. the film improving brightness enhancement film briliancy according to claim 4, it is characterized in that, described particulate (4) is selected from silicon dioxide, polymethyl acrylate, polycarbonate, polystyrene, polyurethane, butyl polyacrylate, elasticity wax powder or their composition.
6. the film improving brightness enhancement film briliancy according to claim 5, is characterized in that, the thickness of described adherent layer (3) is 1 μm ~ 15 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511003468.7A CN105445828A (en) | 2015-12-26 | 2015-12-26 | Thin film capable of improving brightness of brightness enhancement film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511003468.7A CN105445828A (en) | 2015-12-26 | 2015-12-26 | Thin film capable of improving brightness of brightness enhancement film |
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| CN105445828A true CN105445828A (en) | 2016-03-30 |
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|---|---|---|---|
| CN201511003468.7A Pending CN105445828A (en) | 2015-12-26 | 2015-12-26 | Thin film capable of improving brightness of brightness enhancement film |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526728A (en) * | 2016-12-23 | 2017-03-22 | 合肥乐凯科技产业有限公司 | Basal film used for prism composite film |
| CN108586786A (en) * | 2018-05-04 | 2018-09-28 | 苏州奥美材料科技有限公司 | A kind of makrolon diffusion brightening cured film and preparation method thereof |
| CN108957605A (en) * | 2018-06-19 | 2018-12-07 | 嘉兴市汇华光学科技有限公司 | A kind of diffusion film production process |
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| CN102436019A (en) * | 2011-10-29 | 2012-05-02 | 合肥乐凯科技产业有限公司 | Optical upper diffusion film and light crystal display backlight source using same |
| CN103364992A (en) * | 2013-07-09 | 2013-10-23 | 李明伟 | Reflection polarization brightness enhancement film and manufacturing method thereof |
| US20140133133A1 (en) * | 2012-11-14 | 2014-05-15 | Ubright Optronics Corporation | Luminance enhancement film, backlight module and liquid crystal display device |
| CN104375223A (en) * | 2014-11-02 | 2015-02-25 | 合肥乐凯科技产业有限公司 | Film used for manufacturing brightness enhancement film |
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- 2015-12-26 CN CN201511003468.7A patent/CN105445828A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102436019A (en) * | 2011-10-29 | 2012-05-02 | 合肥乐凯科技产业有限公司 | Optical upper diffusion film and light crystal display backlight source using same |
| US20140133133A1 (en) * | 2012-11-14 | 2014-05-15 | Ubright Optronics Corporation | Luminance enhancement film, backlight module and liquid crystal display device |
| CN103364992A (en) * | 2013-07-09 | 2013-10-23 | 李明伟 | Reflection polarization brightness enhancement film and manufacturing method thereof |
| CN104375223A (en) * | 2014-11-02 | 2015-02-25 | 合肥乐凯科技产业有限公司 | Film used for manufacturing brightness enhancement film |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526728A (en) * | 2016-12-23 | 2017-03-22 | 合肥乐凯科技产业有限公司 | Basal film used for prism composite film |
| CN106526728B (en) * | 2016-12-23 | 2018-10-16 | 合肥乐凯科技产业有限公司 | A kind of prism composite membrane basement membrane |
| CN108586786A (en) * | 2018-05-04 | 2018-09-28 | 苏州奥美材料科技有限公司 | A kind of makrolon diffusion brightening cured film and preparation method thereof |
| CN108957605A (en) * | 2018-06-19 | 2018-12-07 | 嘉兴市汇华光学科技有限公司 | A kind of diffusion film production process |
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Application publication date: 20160330 |