CN203705767U - Brightness enhancement film - Google Patents
Brightness enhancement film Download PDFInfo
- Publication number
- CN203705767U CN203705767U CN201320798298.6U CN201320798298U CN203705767U CN 203705767 U CN203705767 U CN 203705767U CN 201320798298 U CN201320798298 U CN 201320798298U CN 203705767 U CN203705767 U CN 203705767U
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- Prior art keywords
- prism
- brightness enhancement
- enhancement film
- prisms
- pet
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- Liquid Crystal (AREA)
Abstract
The utility model provides a brightness enhancement film and belongs to the field of liquid crystal display. The brightness enhancement film comprises a base plate and a structure layer, wherein the base plate is a PET (Polyethylene Terephthalate) back plate; the structure layer is arranged on one side of the PET back plate and comprises at least two first prisms; at least five second prisms are arranged between the adjacent first prisms; the distance of each first prism away from the PET back plate is equal and is 14-16 mum; and the distance of each second prism away from the PET back plate is equal and is 12-14 mum. The brightness enhancement film has the benefits that through the structure, the generation of a Newton ring and moire interference and other negative optical effects can be effectively reduced, an optical performance effect is better, the electrostatic pollution generated by stacking between the brightness enhancement film and a diffusion film is reduced, and meanwhile, the first prisms and the second prisms are arranged in a crossing way, so that the damage in the touching and assembling processes can be reduced.
Description
Technical field
The utility model relates to field of liquid crystal display, in particular to brightness enhancement film.
Background technology
At present, brightness enhancement film is widely used in illuminating module increases display brightness and the energy of saving display battery apparatus to be used for converging normal application brightness enhancement film (BEF) in the display devices such as the light that light source is sent, especially liquid crystal display.Traditional brightness enhancement film easily produces Newton ring and the negative optical effects such as line interference that change.
Utility model content
The utility model provides a kind of brightness enhancement film, is intended to solve traditional brightness enhancement film and easily produces Newton ring and the problem of the negative optical effects such as line interference repeatedly.
The utility model is achieved in that
A kind of brightness enhancement film, comprise substrate and structural sheet, described substrate is PET backboard, described structural sheet is arranged on a side of described PET backboard, and described structural sheet comprises at least two the first prisms, between adjacent described the first prism, is provided with at least five the second prisms, each described the first prism equates away from the distance of described PET backboard, be 14 μ m-16 μ m, each described the second prism equates away from the distance of described PET backboard, is 12 μ m-14 μ m.
This structure can effectively reduce Newton ring and the generation of the negative optical effects such as line interference that change, optical appearance effect is better, the static contamination phenomenon producing while stacking between minimizing brightness enhancement film and diffusion barrier, meanwhile, the first prism and the second prism damage that can reduce in touch, assembling process arranged in a crossed manner.
Further, the xsect of described the first prism and described the second prism is isosceles triangle, and the drift angle angle of described isosceles triangle is 85 °-95 °.Drift angle angle is 85 °-95 ° scopes that can control easily light.
Further, the drift angle of described isosceles triangle is circular-arc, and the arc radius of circular-arc drift angle is less than or equal to 2 μ m.Circular-arc drift angle reduces the scuffing in product stack, assembling process.
Further, the surface roughness Ra of described the first prism and described the second prism is all less than or equal to 20 μ m.Surface roughness Ra is less, can make prism more smooth.
Further, described the first prism and described the second prism all uniformly-spaced arrange.Uniformly-spaced arrange and make distribution of light more even.
The beneficial effects of the utility model are: this structure can effectively reduce Newton ring and the generation of the negative optical effects such as line interference that change, the static contamination phenomenon producing while stacking between minimizing brightness enhancement film and diffusion barrier, meanwhile, the first prism and the second prism damage that can reduce in touch, assembling process arranged in a crossed manner.
Brief description of the drawings
Fig. 1 shows the brightness enhancement film that the utility model the first embodiment provides;
Fig. 2 shows the brightness enhancement film that the utility model the second embodiment provides;
Fig. 3 shows the brightness enhancement film that the utility model the 3rd embodiment provides.
Embodiment
Fig. 1 shows the brightness enhancement film that the utility model the first embodiment provides, comprise substrate and structural sheet, substrate is PET backboard 1, structural sheet is arranged on a side of PET backboard 1, and structural sheet comprises two the first prisms 2, is provided with five the second prisms 3 between adjacent the first prism 2, each the first prism 2 equates away from the distance of PET backboard 1, be 14 μ m, each the second prism 3 equates away from the distance of PET backboard 1, is 12 μ m.
This structure can effectively reduce Newton ring and the generation of the negative optical effects such as line interference that change, optical appearance effect is better, the static contamination phenomenon producing while stacking between minimizing brightness enhancement film and diffusion barrier, meanwhile, the first prism 2 and the second prism 3 damage that can reduce in touch, assembling process arranged in a crossed manner.
Fig. 2 shows the brightness enhancement film that the utility model the second embodiment provides, comprise substrate and structural sheet, substrate is PET backboard 1, structural sheet is arranged on a side of PET backboard 1, and structural sheet comprises two the first prisms 2, is provided with six the second prisms 3 between adjacent the first prism 2, each the first prism 2 equates away from the distance of PET backboard 1, be 16 μ m, each the second prism 3 equates away from the distance of PET backboard 1, is 14 μ m; The xsect of the first prism 2 and the second prism 3 is isosceles triangle, and the drift angle angle of each isosceles triangle is 85 °.
The angle of drift angle is 85 °-95 ° scopes that can control easily light.
Fig. 3 shows the brightness enhancement film that the utility model the 3rd embodiment provides, comprise substrate and structural sheet, substrate is PET backboard 1, structural sheet is arranged on a side of PET backboard 1, structural sheet comprises two the first prisms 2, between adjacent the first prism 2, be provided with five the second prisms 3, each the first prism 2 equates away from the distance of PET backboard 1, be 15 μ m, each the second prism 3 equates away from the distance of PET backboard 1, be 13 μ m, the xsect of the first prism 2 and the second prism 3 is isosceles triangle, and the drift angle angle of each isosceles triangle is 95 °; The drift angle of isosceles triangle is circular-arc, and the arc radius of circular-arc drift angle 4 is 1.5 μ m, and the surface roughness Ra of the first prism 2 and the second prism 3 is all less than or equal to 20 μ m, and the first prism 2 and the second prism 3 all uniformly-spaced arrange.
Circular-arc drift angle 4 reduces the scuffing in product stack, assembling process; Surface roughness Ra is less, can make prism more smooth; Uniformly-spaced arrange and make distribution of light more even.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a brightness enhancement film, it is characterized in that, comprise substrate and structural sheet, described substrate is PET backboard, and described structural sheet is arranged on a side of described PET backboard, described structural sheet comprises at least two the first prisms, between adjacent described the first prism, be provided with at least five the second prisms, each described the first prism equates away from the distance of described PET backboard, is 14 μ m-16 μ m, each described the second prism equates away from the distance of described PET backboard, is 12 μ m-14 μ m.
2. brightness enhancement film according to claim 1, is characterized in that, the xsect of described the first prism and described the second prism is isosceles triangle, and the drift angle angle of described isosceles triangle is 85 °-95 °.
3. brightness enhancement film according to claim 2, is characterized in that, the drift angle of described isosceles triangle is circular-arc, and the arc radius of circular-arc drift angle is less than or equal to 2 μ m.
4. brightness enhancement film according to claim 1, is characterized in that, the surface roughness Ra of described the first prism and described the second prism is all less than or equal to 20 μ m.
5. brightness enhancement film according to claim 1, is characterized in that, described the first prism and described the second prism all uniformly-spaced arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798298.6U CN203705767U (en) | 2013-12-05 | 2013-12-05 | Brightness enhancement film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798298.6U CN203705767U (en) | 2013-12-05 | 2013-12-05 | Brightness enhancement film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705767U true CN203705767U (en) | 2014-07-09 |
Family
ID=51056182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320798298.6U Expired - Fee Related CN203705767U (en) | 2013-12-05 | 2013-12-05 | Brightness enhancement film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705767U (en) |
-
2013
- 2013-12-05 CN CN201320798298.6U patent/CN203705767U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20151205 |
|
| EXPY | Termination of patent right or utility model |