CN204028519U - The matched combined structure of a kind of brightness enhancement film and liquid crystal panel - Google Patents
The matched combined structure of a kind of brightness enhancement film and liquid crystal panel Download PDFInfo
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- CN204028519U CN204028519U CN201420501207.2U CN201420501207U CN204028519U CN 204028519 U CN204028519 U CN 204028519U CN 201420501207 U CN201420501207 U CN 201420501207U CN 204028519 U CN204028519 U CN 204028519U
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- brightness enhancement
- enhancement film
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- crystal panel
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Abstract
The utility model relates to LCDs, and the matched combined structure of a kind of brightness enhancement film and liquid crystal panel is provided, for solving brightness problem and the optical interference problem of LCDs.It comprises diffusion barrier, lower brightness enhancement film, upper brightness enhancement film, liquid crystal panel, when backlight module is luminous, light enters from diffusion barrier, successively by diffusion barrier, lower brightness enhancement film, upper brightness enhancement film, liquid crystal panel, upper brightness enhancement film, lower brightness enhancement film are prism film, and upper brightness enhancement film and lower brightness enhancement film stack up and down; While work with LCDs, screen is being just reference to user, and the prism striped of upper brightness enhancement film and horizontal direction angle are α, and the prism striped of lower brightness enhancement film and horizontal direction angle are β, and α is 2 °～4 °, β-α=90 °.The utility model is applicable to LCD TV.
Description
Technical field
The utility model relates to LCDs, particularly the matched combined structure of a kind of brightness enhancement film and liquid crystal panel.
Background technology
In LCDs, brightness is an important indicator weighing LCDs at present.For improving brightness, LCDs has generally adopted the way that adds brightness enhancement film.More common a kind of brightness enhancement film is BEF (prism film), and prism film has triangle microstructure, has the effect of converging light source increase brightness.
LCDs generally comprises liquid crystal panel, diffusion barrier, brightness enhancement film, backlight module.Light sends from backlight module, and through the even light of lower diffusion barrier, light successively enters lower brightness enhancement film and upper brightness enhancement film afterwards, and light out enters diffusion barrier again and carries out even light, and last light is beaten on liquid crystal panel.Though diffusion barrier has the effect of even light, but loss light, after the diffusion barrier of twice, fiber-loss is larger.Common practices is the upper diffusion barrier of cancelling between liquid crystal panel and brightness enhancement film, but when light directly penetrates liquid crystal panel by brightness enhancement film, can produce interference fringe with the polaroid of liquid crystal panel.
Utility model content
The technical problems to be solved in the utility model is: the matched combined structure of a kind of brightness enhancement film and liquid crystal panel is provided, solves the brightness problem that uses two-layer diffusion barrier to cause in prior art; And after cancelling the diffusion barrier between liquid crystal panel and brightness enhancement film, there is the problem of interference fringe.
For addressing the above problem, the technical solution adopted in the utility model is: the matched combined structure of a kind of brightness enhancement film and liquid crystal panel, comprise diffusion barrier, lower brightness enhancement film, upper brightness enhancement film, liquid crystal panel, when backlight module is luminous, light enters from diffusion barrier, successively by diffusion barrier, lower brightness enhancement film, upper brightness enhancement film, liquid crystal panel, upper brightness enhancement film, lower brightness enhancement film are prism film and prism serrated face all towards liquid crystal panel, and upper brightness enhancement film and lower brightness enhancement film stack up and down; While work with LCDs, screen is being just reference to user, and the prism striped of upper brightness enhancement film and horizontal direction angle are α, and the prism striped of lower brightness enhancement film and horizontal direction angle are β, and α is 2 °～4 °, β-α=90 °.
Particularly, α is 3 °, and β is 93 °.
The beneficial effects of the utility model are: LCDs has reduced the diffusion barrier between liquid crystal panel and upper brightness enhancement film, improved LCDs brightness, saved cost.By the collocation of upper and lower brightness enhancement film special angle, well improve the phenomenon of interference fringe.
Brief description of the drawings
Fig. 1 is the triangle microstructure schematic diagram of brightness enhancement film;
Fig. 2 is traditional brightness enhancement film collocation schematic diagram;
Fig. 3 is the utility model collocation schematic diagram;
Fig. 4 is that the utility model is implemented structural representation.
In figure, number: 101 is photic zone, 102 is light collecting layer, and θ is prism vertex angle, and 201 is diffusion barrier, 202 is lower brightness enhancement film, 203 is upper brightness enhancement film, and 204 is liquid crystal panel, and 205 is backlight module, 301 is the prism striped of upper brightness enhancement film, 302 is the prism striped of lower brightness enhancement film, the prism striped that α is upper brightness enhancement film and horizontal direction angle, the prism striped that β is lower brightness enhancement film and horizontal direction angle.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
The brightness enhancement film that the utility model adopts is prism film.The structural drawing of prism film is as shown in fig. 1: 101 is photic zone, is generally polyester; 102 light collecting layers are generally acryl resins; θ is prism vertex angle.Light converges through photic zone 101 and light collecting layer 102, and rising angle general control is in 70 °, and rising angle is affected by photic zone thickness and prism vertex angle θ.
Fig. 2 tradition brightness enhancement film collocation schematic diagram, the light luminous taking backlight moves towards as direction, is 201 diffusion barriers successively, 202 times brightness enhancement film, brightness enhancement film on 203,204 is liquid crystal panel.For the ease of understanding, we select a reference frame, while work taking LCDs display screen just to user as reference, now go up the prism striped of brightness enhancement film and the angle of horizontal direction is α, the prism striped of lower brightness enhancement film and the angle of horizontal direction are β.Traditional method is, the striped of two brightness enhancement film is mutually vertical, and α is that 0 °, β are 90 ° simultaneously, and this kind of assembling is easy to produce optical interference striped.
Fig. 3 is that the utility model provides the matched combined structure of a kind of brightness enhancement film and liquid crystal panel in order to improve the above-mentioned phenomenon that occurs interference fringe.In Fig. 3, similar with tradition collocation, the utility model also comprises that 201 for diffusion barrier, 202 times brightness enhancement film, and brightness enhancement film on 203,204 is liquid crystal panel.The light luminous taking backlight moves towards as direction, is 201 diffusion barriers successively, 202 times brightness enhancement film, and brightness enhancement film on 203,204 is liquid crystal panel.Especially, the scope that we choose α is 2 °～4 °, according to the vertical relation of the prism striped of upper and lower brightness enhancement film, can draw β=α+90 °.α and β do not adopt conventional angle, by suitable corner, arrange in pairs or groups mutually with liquid-crystalline glasses and polaroid in liquid crystal panel 204, can solve the adverse effect that interference fringe is brought.
In embodiment Fig. 4, choose concrete angle, α is that 3 °, β are 93 °.Light sends from backlight module 301, through after the diffusion of diffuser plate 201, then enters respectively lower brightness enhancement film 202 and upper brightness enhancement film 203, and after brightness enhancement film blast, last light is mapped on liquid crystal panel 204.The collocation of brightness enhancement film up and down of 3 ° and 93 °, forms appropriate combination corner, well with liquid crystal panel 204 in liquid-crystalline glasses and polaroid arrange in pairs or groups mutually, effectively improved the adverse effect that interference fringe is brought, reach the acceptable degree of subjective picture.
Claims (2)
1. the matched combined structure of a brightness enhancement film and liquid crystal panel, it is characterized in that, comprise diffusion barrier (201), lower brightness enhancement film (202), upper brightness enhancement film (203), liquid crystal panel (204), upper brightness enhancement film (203), lower brightness enhancement film (202) is prism film and prism serrated face towards liquid crystal panel, upper brightness enhancement film (203), lower brightness enhancement film (202) stacks up and down, light enters from diffusion barrier (201), successively by diffusion barrier (201), lower brightness enhancement film (202), upper brightness enhancement film (203), liquid crystal panel (204), while work with LCDs, screen is being just reference to user, and upper brightness enhancement film prism striped (301) is α with horizontal direction angle, and lower brightness enhancement film prism striped (302) is β with horizontal direction angle, α is 2 °～4 °, β-α=90 °.
2. the matched combined structure of a kind of brightness enhancement film as claimed in claim 1 and liquid crystal panel, is characterized in that, described α is 3 °, and β is 93 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501207.2U CN204028519U (en) | 2014-09-02 | 2014-09-02 | The matched combined structure of a kind of brightness enhancement film and liquid crystal panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501207.2U CN204028519U (en) | 2014-09-02 | 2014-09-02 | The matched combined structure of a kind of brightness enhancement film and liquid crystal panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204028519U true CN204028519U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420501207.2U Active CN204028519U (en) | 2014-09-02 | 2014-09-02 | The matched combined structure of a kind of brightness enhancement film and liquid crystal panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN204028519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991809A (en) * | 2017-12-26 | 2018-05-04 | 中航华东光电有限公司 | Narrow frame backlight module |
| US10018756B2 (en) | 2015-12-16 | 2018-07-10 | Xiaomi Inc. | Display apparatus and electronic device |
| WO2019076237A1 (en) * | 2017-10-17 | 2019-04-25 | 苏州欧普照明有限公司 | Lighting device |
-
2014
- 2014-09-02 CN CN201420501207.2U patent/CN204028519U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10018756B2 (en) | 2015-12-16 | 2018-07-10 | Xiaomi Inc. | Display apparatus and electronic device |
| WO2019076237A1 (en) * | 2017-10-17 | 2019-04-25 | 苏州欧普照明有限公司 | Lighting device |
| CN107991809A (en) * | 2017-12-26 | 2018-05-04 | 中航华东光电有限公司 | Narrow frame backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190613 Address after: 621000, No. 35 Mian Xing Dong Road, hi tech Zone, Sichuan, Mianyang Patentee after: Sichuan Changhong Electrical Appliance Co., Ltd. Address before: 621000, No. 35 Mian Xing Dong Road, hi tech Zone, Sichuan, Mianyang Patentee before: Long wisdom photoelectric (Sichuan) Co., Ltd. |
|
| TR01 | Transfer of patent right |