CN212933027U - Brightness enhancement film - Google Patents
Brightness enhancement film Download PDFInfo
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- CN212933027U CN212933027U CN202021314762.6U CN202021314762U CN212933027U CN 212933027 U CN212933027 U CN 212933027U CN 202021314762 U CN202021314762 U CN 202021314762U CN 212933027 U CN212933027 U CN 212933027U
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Abstract
The utility model discloses a brightness enhancement film, which comprises a light-transmitting film layer, a substrate layer positioned on the upper surface of the light-transmitting film layer, and a prism layer positioned on the upper surface of the substrate layer; wherein, the prism layer includes first prism strip and second prism strip, just the both sides of substrate layer upper surface all are provided with a first prism strip, the middle part of substrate layer upper surface and the one side that is located first prism strip all are provided with a second prism strip, the utility model discloses under the effect of recess for the reflectivity is low, and the penetrability is high, thereby makes brightness enhancement film's luminousness high, can realize the multi-direction optical gain effect in space simultaneously, and the at utmost improves backlight unit's display uniformity and optical gain effect on sola brightness enhancement film's basis, and many brightness enhancement films in the fungible backlight unit reduce brightness enhancement film's use quantity, reduce backlight unit's cost.
Description
Technical Field
The utility model relates to a brightness enhancement film technical field specifically is a brightness enhancement film.
Background
Brightness enhancing films are a new class of high performance optical films, also widely referred to as prismatic films due to their micro-prismatic array structure on the outer surface. The brightness enhancement film is widely applied to liquid crystal display backlight sources of electronic equipment such as televisions, displays, flat panels, mobile phones and the like, and is used for improving the overall brightness of the liquid crystal display, so that the energy-saving effect is achieved.
The brightness enhancement film is usually formed by micro-copying a prism structure on the surface of PET (polyethylene terephthalate) by using UV (ultraviolet) cured glue, the direction of light is corrected by using the prism structure through the refraction and reflection phenomena of the light, so that the light is concentrated on the front side, and the light which is not utilized outside the visual angle is refracted and reflected to be recycled and utilized, so that the brightness of a backlight source is improved.
General backlight unit all needs to use more than two brightness enhancement film, and this has not only increased the thickness of optical film group, is unfavorable for optical module's frivolousness, and greatly increased the cost, and current brightness enhancement film optics performance is general, and the light diffusion effect behind the light source process brightness enhancement film is not ideal enough.
Disclosure of Invention
An object of the utility model is to provide a brightness enhancement film to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a brightness enhancement film comprises a light-transmitting film layer, a substrate layer and a prism layer, wherein the substrate layer is positioned on the upper surface of the light-transmitting film layer; wherein the content of the first and second substances,
the prism layer comprises a first prism strip and a second prism strip, the two sides of the upper surface of the base material layer are respectively provided with the first prism strip, the middle part of the upper surface of the base material layer and one side of the first prism strip are respectively provided with the second prism strip, and three first prism strips are arranged between every two adjacent second prism strips;
grooves distributed at equal intervals are formed in the bottom of the base material layer;
the light-transmitting film layer is sequentially composed of an atomizing layer, a blue-light-resistant UV high-viscosity adhesive layer and a protective layer from top to bottom, when the backlight module is used, light enters the substrate layer from the lower surface of the light-transmitting film layer, the reflectivity is low under the action of the groove, the penetration rate is high, the light transmittance of the brightness enhancement film is high, the multi-directional optical gain effect of a space can be realized simultaneously, the display uniformity and the optical gain effect of the backlight module are improved to the maximum extent on the basis of a single brightness enhancement film, a plurality of brightness enhancement films in the backlight module can be replaced, the use number of the brightness enhancement films is reduced, the cost of the backlight module is reduced, the diffuse reflection distribution of light emission can be effectively increased through the matching between the first prism strip and the second prism strip, the surface glossiness of the brightness enhancement film is reduced, the good visual effect is provided on the basis of providing the best gain effect, and, through using anti blue light UV high viscose layer, can improve the anti blue light effect of brightness enhancement film, reduce the visual injury of blue light to the human body.
As a further aspect of the present invention: the cross section of the first prism strip is a right-angle isosceles triangle, and the top end of the first prism strip is a right angle.
As a further aspect of the present invention: the cross section of the second prism strip is an isosceles triangle, the top end of the second prism strip is arc-shaped, the vertex angle of the second prism strip is set to be arc-shaped, diffuse reflection distribution of light can be effectively increased, the surface glossiness of the brightness enhancement film is reduced, a good visual effect is provided on the basis of providing the best gain effect, meanwhile, the first prism strip and the second prism strip are matched, the light emitting efficiency is improved, the first prism strip and the second prism strip are sequentially and alternately arranged, the scratch resistance of a product is improved, and the brightness enhancement effect is improved.
As a further aspect of the present invention: the groove is of an arc-shaped structure and penetrates through the substrate layer, so that the reflectivity is low and the penetration rate is high under the action of the groove, the light transmittance of the brightness enhancement film is high, and the spatial multi-direction optical gain effect can be realized at the same time.
As a further aspect of the present invention: the material of the atomization layer is ultraviolet light curing resin.
As a further aspect of the present invention: the first prism strip and the second prism strip are both made of UV resin.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has the advantages that under the effect of the groove, the reflectivity is low, the penetration rate is high, the light transmittance of the brightness enhancement film is high, the multi-direction optical gain effect of the space can be realized simultaneously, the display uniformity and the optical gain effect of the backlight module are improved to the maximum degree on the basis of a single brightness enhancement film, a plurality of brightness enhancement films in the backlight module can be replaced, the use number of the brightness enhancement films is reduced, the cost of the backlight module is reduced, the light-emitting diffuse reflection distribution can be effectively increased through the matching between the first prism strip and the second prism strip, the surface glossiness of the brightness enhancement film is reduced, the good visual effect is provided on the basis of providing the best gain effect, the light diffusion effect, the atomization degree and the uniformity are improved through the high viscose layer of the blue light resisting UV, the blue light resisting effect of the brightness enhancement film is improved, the visual injury of the blue light to the human body is reduced, the apex angle of the, the light-emitting diffuse reflection distribution can be effectively increased, the surface glossiness of the brightness enhancement film is reduced, a good visual effect is provided on the basis of providing the best gain effect, meanwhile, the first prism strips and the second prism strips are matched, the light-emitting efficiency is improved, the first prism strips and the second prism strips are sequentially and alternately arranged, the scratch resistance of a product is improved, and the brightness enhancement effect is improved.
Drawings
FIG. 1 is a schematic view of a brightness enhancement film.
FIG. 2 is a front view of a brightness enhancement film.
FIG. 3 is a schematic view of a structure of a transparent layer in a brightness enhancement film.
In the figure: 1. a light-transmitting film layer; 2. a substrate layer; 3. a prism layer; 4. a first prism strip; 5. a second prism strip; 6. a groove; 7. an atomizing layer; 8. the blue light UV resistant high-viscosity adhesive layer; 9. and a protective layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a brightness enhancement film includes a transparent film layer 1, a substrate layer 2 on an upper surface of the transparent film layer 1, and a prism layer 3 on an upper surface of the substrate layer 2; the prism layer 3 comprises first prism strips 4 and second prism strips 5, two sides of the upper surface of the substrate layer 2 are respectively provided with one first prism strip 4, the middle part of the upper surface of the substrate layer 2 and one side of each first prism strip 4 are respectively provided with one second prism strip 5, and three first prism strips 4 are arranged between every two adjacent second prism strips 5; grooves 6 distributed at equal intervals are formed in the bottom of the base material layer 2; the light-transmitting film layer 1 is composed of an atomizing layer 7, a blue-light-resistant UV high-viscosity adhesive layer 8 and a protective layer 9 from top to bottom in sequence.
When the device is used, light enters the substrate layer 2 from the lower surface of the light-transmitting film layer 1, the reflectivity is low and the penetration rate is high under the action of the groove 6, so that the light transmittance of the brightness enhancement film is high, the multi-direction spatial optical gain effect can be realized simultaneously, the display uniformity and the optical gain effect of the backlight module can be improved to the greatest extent on the basis of a single brightness enhancement film, a plurality of brightness enhancement films in the backlight module can be replaced, the using number of the brightness enhancement films is reduced, the cost of the backlight module is reduced, the diffuse reflection distribution of light can be effectively increased through the matching between the first prism strip 4 and the second prism strip 5, the surface glossiness of the brightness enhancement film is reduced, a good visual effect is provided on the basis of providing the best gain effect, the light diffusion effect, the atomization degree and the uniformity are improved through the atomization layer 7, the anti-blue-light UV high-viscosity adhesive layer 8 can be used, reduce the visual injury of blue light to human body.
The cross section of first prism strip 4 is right angle isosceles triangle, just the top of first prism strip 4 is the right angle.
The cross section of the second prism strip 5 is an isosceles triangle, and the top end of the second prism strip 5 is arc-shaped.
Set up to circular-arc through the apex angle with second prism strip 5, can effectively increase light and penetrate diffuse reflection and distribute, reduce brightness enhancement film's surface glossiness, provide good visual effect on the basis that provides the best gain effect, first prism strip 4 has improved luminous efficacy with the cooperation between second prism strip 5 simultaneously, arrange in proper order in turn through first prism strip 4 and second prism strip 5, improved the scratch resistance of product, promoted the brightening effect.
The groove 6 is of an arc-shaped structure, and the groove 6 penetrates through the substrate layer 2.
Under the effect of the groove 6, the reflectivity is low, the penetration rate is high, the light transmittance of the brightness enhancement film is high, and the spatial multidirectional optical gain effect can be realized at the same time.
The material of the atomization layer 7 is ultraviolet light curing resin.
The first prism strip 4 and the second prism strip 5 are both made of UV resin.
The utility model discloses a theory of operation is:
when the device is used, light enters the substrate layer 2 from the lower surface of the light-transmitting film layer 1, the reflectivity is low and the penetration rate is high under the action of the groove 6, so that the light transmittance of the brightness enhancement film is high, the multi-direction spatial optical gain effect can be realized simultaneously, the display uniformity and the optical gain effect of the backlight module can be improved to the greatest extent on the basis of a single brightness enhancement film, a plurality of brightness enhancement films in the backlight module can be replaced, the using number of the brightness enhancement films is reduced, the cost of the backlight module is reduced, the diffuse reflection distribution of light can be effectively increased through the matching between the first prism strip 4 and the second prism strip 5, the surface glossiness of the brightness enhancement film is reduced, a good visual effect is provided on the basis of providing the best gain effect, the light diffusion effect, the atomization degree and the uniformity are improved through the atomization layer 7, the anti-blue-light UV high-viscosity adhesive layer 8 can be used, reduce the visual injury of blue light to the human body, the apex angle through with second prism strip 5 sets up to circular-arcly, can effectively increase light and penetrate the diffuse reflection and distribute, reduce brightness enhancement film's surface gloss degree, provide good visual effect on the basis that provides the best gain effect, cooperation between first prism strip 4 and the second prism strip 5 has simultaneously improved luminous efficacy, arrange in proper order in turn through first prism strip 4 and second prism strip 5, the scratch resistance of product has been improved, brightness enhancement effect has been promoted.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A brightness enhancement film comprises a light-transmitting film layer (1), and is characterized by further comprising a substrate layer (2) positioned on the upper surface of the light-transmitting film layer (1), and a prism layer (3) positioned on the upper surface of the substrate layer (2); wherein the content of the first and second substances,
the prism layer (3) comprises first prism strips (4) and second prism strips (5), the two sides of the upper surface of the base material layer (2) are respectively provided with one first prism strip (4), the middle part of the upper surface of the base material layer (2) and one side of each first prism strip (4) are respectively provided with one second prism strip (5), and three first prism strips (4) are arranged between every two adjacent second prism strips (5);
grooves (6) distributed at equal intervals are formed in the bottom of the base material layer (2);
the light-transmitting film layer (1) is composed of an atomizing layer (7), a blue-light-resistant UV high-viscosity adhesive layer (8) and a protective layer (9) from top to bottom in sequence.
2. A brightness enhancing film according to claim 1, wherein the cross section of the first prism strip (4) is right isosceles triangle and the top of the first prism strip (4) is right angle.
3. A brightness enhancing film according to claim 1, wherein the cross section of the second prism strip (5) is isosceles triangle, and the top of the second prism strip (5) is arc.
4. The brightness enhancement film according to claim 1, wherein the groove (6) has a circular arc structure, and the groove (6) penetrates through the substrate layer (2).
5. The brightness enhancement film according to claim 1, wherein the material of the matte layer (7) is an ultraviolet curable resin.
6. A brightness enhancing film according to claim 1, wherein the first prism strips (4) and the second prism strips (5) are made of UV resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021314762.6U CN212933027U (en) | 2020-07-07 | 2020-07-07 | Brightness enhancement film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021314762.6U CN212933027U (en) | 2020-07-07 | 2020-07-07 | Brightness enhancement film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212933027U true CN212933027U (en) | 2021-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021314762.6U Active CN212933027U (en) | 2020-07-07 | 2020-07-07 | Brightness enhancement film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212933027U (en) |
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2020
- 2020-07-07 CN CN202021314762.6U patent/CN212933027U/en active Active
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