CN206990843U - A kind of diffusion for backlight module adds lustre to complex optical film - Google Patents
A kind of diffusion for backlight module adds lustre to complex optical film Download PDFInfo
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- CN206990843U CN206990843U CN201720838326.0U CN201720838326U CN206990843U CN 206990843 U CN206990843 U CN 206990843U CN 201720838326 U CN201720838326 U CN 201720838326U CN 206990843 U CN206990843 U CN 206990843U
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Abstract
A kind of diffusion for backlight module adds lustre to complex optical film, including diffusion barrier, prism film and laminating layer；Diffusion barrier is made up of the first PET base material and light diffusion layer；Prism film is made up of multiple prism structures being arranged in parallel within the second PET base material；The prism structure of prism film comprises at least three kinds or more spacing and highly different prism striped.Diffusion barrier and prism film are combined into an entirety by the application by laminating layer, are formed a diffusion with absolute construction and are added lustre to complex optical film, its thickness is the 1/3 of traditional diaphragm, meets the product ultrathin market demand, is significantly less than traditional diaphragm thickness.In addition, the composite membrane of the application employs the design of diffusion barrier, lower prism film, prism film adds lustre to, diffusion barrier makes uniform light, greatly strengthen and spreads add lustre to the optics briliancy of complex optical film and the uniformity of light.
Description
Technical field
It the utility model is related to a kind of blooming piece that can be used in LCD backlight module, more particularly to a kind of use
Add lustre to complex optical film in the diffusion of backlight module.
Background technology
Liquid crystal display is one of world today's technical field with fastest developing speed, with LCD TV, notebook computer, liquid crystal
The fast developments such as mobile phone, tablet personal computer, liquid crystal display ultrathin turn into the focus of whole world research.Backlight module is liquid crystal industry
An important ring for chain, it accounts for more than the 20% of liquid crystal display cost, traditional backlight module mainly by lower diffusion barrier, lower prism film, on
Prism film, upper diffusion barrier four are opened diaphragm and assembled, it is necessary to assemble piecewise, and production being present, time-consuming, packaging efficiency is low, fraction defective
The shortcomings of high.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of diffusion for backlight module and added lustre to complex optical film,
So that the problem of being formerly mentioned is reduced or avoided.
In order to solve the above technical problems, add lustre to complex optics the utility model proposes a kind of diffusion for backlight module
The two lamination adhesive is integrated by film, including diffusion barrier, prism film and being uniformly applied between the diffusion barrier and prism film
Solvent-free UV adhesive made of laminating layer；The diffusion barrier is by the first PET base material and is coated in first PET base material
Light diffusion layer formed, light diffusion layer is uniformly mixed by diffusion particle and resin material, the diameter of the diffusion particle
Between 3-8 μm；Between the thickness of first PET base material is 90-180 μm, the thickness of the light diffusion layer for 5-10 μm it
Between；The prism film is made up of multiple prism structures being arranged in parallel within the second PET base material；The prism structure includes more
Individual prism striped, the spacing of the prism striped is between 43-83 μm, highly between 20-32 μm；Including at least three kinds or three
Kind above spacing and highly different prism striped.
Preferably, the adhesive force of the prism structure of the prism film is Ba, when the adhesive force of the laminating layer is Bb, wherein
Bb≧Ba。
Preferably, the thickness for spreading the complex optical film that adds lustre to is 290-320 μm.
Preferably, the first PET base material of the diffusion barrier is glued by the prism structure of the laminating layer and the prism film
It is connected together, the second PET base material side of the prism film is uniformly bonded with multiple clear beads by one layer of adhesive linkage.
Diffusion barrier and prism film are combined into an entirety by the application by laminating layer, and forming one has absolute construction
The complex optical film that adds lustre to is spread, its thickness is the 1/3 of traditional diaphragm, meets the product ultrathin market demand, is significantly less than tradition
Diaphragm thickness, and good in optical property, packaging efficiency improve 100%, cost reduces by 15%.In addition, the composite membrane of the application uses
The design of upper diffusion barrier, lower prism film, prism film adds lustre to, diffusion barrier makes uniform light, greatly strengthen diffusion add lustre to it is compound
The optics briliancy of optical film and the uniformity of light, can obtain preferably add lustre to, diffusion effect.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein,
Fig. 1 be shown added lustre to according to the diffusion for backlight module of a specific embodiment of the present utility model it is compound
The structural representation of optical film；
The decomposition diagram that the complex optical film that adds lustre to is spread shown in Fig. 1 is shown in Fig. 2.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, now control illustrates
Specific embodiment of the present utility model.Wherein, identical part uses identical label.
Just as described in the background section, because traditional backlight module is assembled by multiple diaphragms, different diaphragms are being transported
Also due to the reason for operating forms cut when easy surface scratch during defeated, mutually assembling, therefore assembling is deposited piecewise
Producing the shortcomings of time-consuming, packaging efficiency is low, fraction defective is high.In view of the above mentioned problem present in prior art, the application carry
A kind of diffusion for backlight module is gone out to add lustre to complex optical film, two diaphragms is combined into one by solvent-free UV adhesive
Individual entirety, form a diffusion with absolute construction and add lustre to complex optical film, as shown in Figure 1-2, it shows concrete structure respectively
What is shown is the structure of complex optical film of being added lustre to according to the diffusion for backlight module of a specific embodiment of the present utility model
Schematic diagram and decomposition diagram.
Referring to Fig. 1-2, the diffusion of the application complex optical film that adds lustre to generally is represented by reference 1, including diffusion barrier
100th, prism film 200 and uniformly be applied between diffusion barrier 100 and prism film 200 by the two lamination adhesive be integrated without molten
Laminating layer 300 made of agent UV adhesive.
Specifically, as illustrated, diffusion barrier 100 is expanded by the first PET base material 11 and the light being coated in the first PET base material 11
Layer 12 is dissipated to be formed, wherein, light diffusion layer 12 can be uniformly mixed by diffusion particle and resin material, for example, the expansion
Shot can be PMMA (polymethyl methacrylate) microballons or PBMA (Vinalac 5920) microballon etc., the tree
Fat material can be Hydroxylated acrylic resin etc..In addition, the diameter of diffusion particle in light diffusion layer 12 preferably 3-8 μm it
Between, the thickness of the first PET base material 11 is preferably between 90-180 μm, and the thickness of light diffusion layer 12 is preferably between 5-10 μm.
Prism film 200 is made up of multiple prism structures 22 being arranged in parallel within the second PET base material 21, prism structure 22
Including multiple prism stripeds, as illustrated, the spacing of these prism stripeds is between 43-83 μm, highly between 20-32 μm；
The add lustre to thickness of complex optical film of the diffusion ultimately formed is 290-320 μm, and most preferably described diffusion adds lustre to complex optical film
Thickness is 310 μm.
By the way that two diaphragms are combined into an entirety by solvent-free UV adhesive, form one has independently the application
The diffusion of structure adds lustre to complex optical film, and its thickness is the 1/3 of traditional diaphragm, meets the product ultrathin market demand, significantly low
In traditional diaphragm thickness (>2000 μm), and good in optical property, packaging efficiency improve 100%, cost reduces by 15%.In addition, this Shen
Composite membrane please employs the design of diffusion barrier, lower prism film, and prism film adds lustre to, diffusion barrier makes uniform light, greatly enhances
Diffusion adds lustre to the optics briliancy of complex optical film and the uniformity of light, can obtain preferably add lustre to, diffusion effect.
Further, as illustrated, the first PET base material 11 of diffusion barrier 100 passes through laminating layer 300 and prism film 200
Prism structure 22 is bonded together, and the side of the second PET base material 21 of prism film 200 is uniformly bonded by one layer of adhesive linkage 400
There are multiple clear beads 500.Wherein, the clear beads 500 that underlying prism film 200 is integrally bonded, on the one hand can be used for
The mist degree of composite membrane is adjusted, the light guide plate (not shown) that on the other hand can prevent from contacting with the prism film of lower floor 200
Light absorption.
In addition, in a specific embodiment, prism film 200 can be with the blast for eliminating Moire fringe structure
Film (Brightness Enhancement Film, BEF), i.e. the prism structure 22 on prism film 200 can comprise at least three
Kind or more than three kinds spacing and highly different prism striped, so as to upset the regular arrangement mode of prism striped,
It can eliminate because of regular brightness change caused by prism striped regularity arrangement mode, thus can reduce or eliminate prism
Caused Moire fringe between piece and LCD.The No- L aw Order combination of each prism striped significantly improves rib simultaneously
The homogenization of mirror reflection light brightness, improve the utilization rate of illuminating ray and can further improve LCD briliancy.
Further, in order to overcome prior art can not refine the defects of suppressing Moire fringe, the application is also
The mathematical modeling for being available for those skilled in the art directly to use is provided, those skilled in the art can be according to following mathematical modeling
Realize and the precision of Moire fringe is cut down.That is, as shown in figure specific embodiment, the prism striped on prism film 200
Spacing between 43-83 μm, highly between 20-32 μm.In another mathematical modeling, the prism structure of prism film 200
22 comprising three kinds of height be respectively a, b, c the first prism striped 221, the second prism striped 222 and prism striped
223, three kinds of height meet following relation：a≦32μm；a≧1.3b；b≧1.2c.In addition, the 2nd PET of prism film 200
The quantity of the first prism striped 221, the second prism striped 222 and prism striped 223 on base material 21 is respectively Na,
Nb, Nc, the quantity meet following relation：Na≧Nb；Nb≧Nc.
Further, add lustre to the temperature distortion of complex optical film 1 to minimize diffusion, improve optics briliancy, improve
Production efficiency and quality, in a specific embodiment, set prism film 200 the second PET base material 21 thermal coefficient of expansion as
Tp, the thermal coefficient of expansion of the prism structure 22 of prism film 200 is Ta, and the thermal coefficient of expansion of laminating layer 300 is Tb, wherein Tp<Ta；
Tp<Tb；Tb≧Ta.Those skilled in the art are referred to above-mentioned parameter combination, select appropriate material manufacture the present embodiment excellent
The diffusion of choosing adds lustre to complex optical film 1, with realize diffusion add lustre to complex optical film 1 it is heated in the case of deform it is minimum, so as to carry
The high optics briliancy of LCD backlight module, that is, product quality is improved, reduce product defects and do over again, improve life
Produce efficiency.
Further, in an also specific embodiment, set prism film 200 prism structure 22 adhesive force as
Ba, when the adhesive force of laminating layer 300 is Bb, wherein Bb≤Ba.That is, in the present embodiment, laminating layer 300 is by the application
The adhesive force that is bonded together of prism film 200 be preferably greater than, or be at least attached to prism film equal to prism structure 22
Adhesive force on 200, will so possess better characteristics in terms of structural strength, temperature distortion, further increase the LCD back ofs the body
The optics briliancy of optical mode group, improves product quality and production efficiency.
It will be appreciated by those skilled in the art that although the utility model is described in the way of multiple embodiments
, but not each embodiment only includes an independent technical scheme.So narration is just for the sake of clear in specification
For the sake of, the skilled in the art should refer to the specification as a whole is understood, and by skill involved in each embodiment
Art scheme, which is regarded as, can be mutually combined into the modes of different embodiments to understand the scope of protection of the utility model.
The schematical embodiment of the utility model is the foregoing is only, is not limited to model of the present utility model
Enclose.Any those skilled in the art, the equivalent variations made on the premise of design of the present utility model and principle is not departed from,
Modification and combination, the scope of the utility model protection all should be belonged to.
Claims (4)
- A kind of complex optical film 1. diffusion for backlight module adds lustre to, it is characterised in that the diffusion for backlight module The complex optical film (1) that adds lustre to includes diffusion barrier (100), prism film (200) and is uniformly applied to the diffusion barrier (100) and rib Laminating layer (300) made of the solvent-free UV adhesive for being integrated the two lamination adhesive between mirror film (200)；The diffusion barrier (100) it is made up of the first PET base material (11) and the light diffusion layer (12) being coated on first PET base material (11), it is described Light diffusion layer (12) is uniformly mixed by diffusion particle and resin material, and the diameter of the diffusion particle is between 3-8 μm；Institute Between the thickness for stating the first PET base material (11) is 90-180 μm, between the thickness of the light diffusion layer (12) is 5-10 μm；It is described Prism film (200) is made up of multiple prism structures (22) being arranged in parallel within the second PET base material (21)；The prism structure Including multiple prism stripeds, the spacing of the prism striped is between 43-83 μm, highly between 20-32 μm；The prism film (200) prism structure (22) comprises at least three kinds of spacing and highly different prism striped.
- The complex optical film 2. diffusion for being used for backlight module as claimed in claim 1 adds lustre to, it is characterised in that the prism film (200) adhesive force of prism structure (22) is Ba, when the adhesive force of the laminating layer (300) is Bb, wherein Bb≤Ba.
- The complex optical film 3. diffusion for being used for backlight module as claimed in claim 2 adds lustre to, it is characterised in that described to be used to carry on the back The diffusion of optical mode group add lustre to complex optical film thickness be 290-320 μm.
- The complex optical film 4. diffusion for being used for backlight module as claimed in claim 3 adds lustre to, it is characterised in that the diffusion barrier (100) the first PET base material (11) is Nian Jie with the prism structure (22) of the prism film (200) by the laminating layer (300) Together, the second PET base material (21) side of the prism film (200) is uniformly bonded with multiple by one layer of adhesive linkage (400) Clear beads (500).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720838326.0U CN206990843U (en) | 2017-07-11 | 2017-07-11 | A kind of diffusion for backlight module adds lustre to complex optical film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720838326.0U CN206990843U (en) | 2017-07-11 | 2017-07-11 | A kind of diffusion for backlight module adds lustre to complex optical film |
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| CN206990843U true CN206990843U (en) | 2018-02-09 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267922A (en) * | 2018-03-05 | 2018-07-10 | 深圳市光科全息技术有限公司 | A kind of optical film |
| CN108549177A (en) * | 2018-04-26 | 2018-09-18 | 深圳Tcl新技术有限公司 | Optical compound film, backlight and liquid crystal display die set |
| CN109597243A (en) * | 2018-12-27 | 2019-04-09 | 凯鑫森(上海)功能性薄膜产业有限公司 | Liquid crystal display laminating film and LCD backlight mould group |
| CN109880506A (en) * | 2018-12-21 | 2019-06-14 | 宁波江北激智新材料有限公司 | A kind of coating composition for spreading the composite membrane laminating layer that adds lustre to and a kind of diffusion add lustre to composite membrane and preparation method thereof |
| CN109975918A (en) * | 2019-04-10 | 2019-07-05 | 深圳康佳电子科技有限公司 | A kind of fitting optical module and liquid crystal module entirely |
| CN114114504A (en) * | 2020-08-31 | 2022-03-01 | 宁波激智科技股份有限公司 | Polarization-maintaining optical film and interference-relieving polarization-maintaining composite prism film |
| CN114265235A (en) * | 2021-11-19 | 2022-04-01 | 江苏双星彩塑新材料股份有限公司 | Composite membrane for direct type non-diffusion plate backlight module |
| CN114371524A (en) * | 2022-01-20 | 2022-04-19 | 深圳市华星光电半导体显示技术有限公司 | Prism structure and design method thereof |
| CN114675357A (en) * | 2022-04-02 | 2022-06-28 | 南通惟怡新材料科技有限公司 | Light splitting diaphragm |
| CN115097670A (en) * | 2022-06-28 | 2022-09-23 | 深圳市兆驰光元科技有限公司 | Laminated film and manufacturing process thereof |
| CN115808822A (en) * | 2022-12-27 | 2023-03-17 | 江苏双星彩塑新材料股份有限公司 | DPL composite membrane and preparation method thereof |
| CN115826111A (en) * | 2022-12-27 | 2023-03-21 | 江苏双星彩塑新材料股份有限公司 | DOP composite membrane for backlight module and preparation method thereof |
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2017
- 2017-07-11 CN CN201720838326.0U patent/CN206990843U/en active Active
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267922A (en) * | 2018-03-05 | 2018-07-10 | 深圳市光科全息技术有限公司 | A kind of optical film |
| CN108549177A (en) * | 2018-04-26 | 2018-09-18 | 深圳Tcl新技术有限公司 | Optical compound film, backlight and liquid crystal display die set |
| CN109880506A (en) * | 2018-12-21 | 2019-06-14 | 宁波江北激智新材料有限公司 | A kind of coating composition for spreading the composite membrane laminating layer that adds lustre to and a kind of diffusion add lustre to composite membrane and preparation method thereof |
| CN109597243A (en) * | 2018-12-27 | 2019-04-09 | 凯鑫森(上海)功能性薄膜产业有限公司 | Liquid crystal display laminating film and LCD backlight mould group |
| CN109975918A (en) * | 2019-04-10 | 2019-07-05 | 深圳康佳电子科技有限公司 | A kind of fitting optical module and liquid crystal module entirely |
| CN114114504A (en) * | 2020-08-31 | 2022-03-01 | 宁波激智科技股份有限公司 | Polarization-maintaining optical film and interference-relieving polarization-maintaining composite prism film |
| CN114114504B (en) * | 2020-08-31 | 2024-04-12 | 宁波激智科技股份有限公司 | Polarization-preserving optical film and interference-relieving polarization-preserving composite prism film |
| CN114265235A (en) * | 2021-11-19 | 2022-04-01 | 江苏双星彩塑新材料股份有限公司 | Composite membrane for direct type non-diffusion plate backlight module |
| CN114371524B (en) * | 2022-01-20 | 2023-11-28 | 深圳市华星光电半导体显示技术有限公司 | Prism structure and design method thereof |
| CN114371524A (en) * | 2022-01-20 | 2022-04-19 | 深圳市华星光电半导体显示技术有限公司 | Prism structure and design method thereof |
| CN114675357A (en) * | 2022-04-02 | 2022-06-28 | 南通惟怡新材料科技有限公司 | Light splitting diaphragm |
| CN115097670A (en) * | 2022-06-28 | 2022-09-23 | 深圳市兆驰光元科技有限公司 | Laminated film and manufacturing process thereof |
| CN115097670B (en) * | 2022-06-28 | 2024-04-16 | 深圳市兆驰光元科技有限公司 | Laminating film and manufacturing process thereof |
| CN115808822A (en) * | 2022-12-27 | 2023-03-17 | 江苏双星彩塑新材料股份有限公司 | DPL composite membrane and preparation method thereof |
| CN115826111A (en) * | 2022-12-27 | 2023-03-21 | 江苏双星彩塑新材料股份有限公司 | DOP composite membrane for backlight module and preparation method thereof |
| CN115808822B (en) * | 2022-12-27 | 2024-03-12 | 江苏双星彩塑新材料股份有限公司 | DPL composite membrane and preparation method thereof |
| CN115826111B (en) * | 2022-12-27 | 2024-05-07 | 江苏双星彩塑新材料股份有限公司 | DOP composite membrane for backlight module and preparation method thereof |
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