CN207301383U - A kind of brightness enhancement film and backlight assembly - Google Patents
A kind of brightness enhancement film and backlight assembly Download PDFInfo
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- CN207301383U CN207301383U CN201720578366.6U CN201720578366U CN207301383U CN 207301383 U CN207301383 U CN 207301383U CN 201720578366 U CN201720578366 U CN 201720578366U CN 207301383 U CN207301383 U CN 207301383U
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- brightness enhancement
- reflecting layer
- enhancement film
- light
- light path
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Abstract
The utility model provides a kind of brightness enhancement film, including base material, the base material include first surface and second surface, and light is incided on first surface, and incident light is left by second surface；And light path modulating part, the light path modulating part are set on the second surface of the base material；And reflecting layer, the reflecting layer is arranged on the light path modulating part bottom, the reflecting layer includes the first optical surface away from light path modulating part and the second optical surface being bonded with light path modulating part, light on second optical surface is incided partly to reflect and partly reflection external environment incides the light of first optical surface in the reflecting layer, the brightness enhancement film also has the recycling to external environmental light in addition to script brightness enhancement film is to the optical gain of backlight.The utility model also provides a kind of backlight assembly.
Description
Technical field：
The utility model is related to optical film, and in particular to brightness enhancement film and apply its backlight assembly.
Background technology：
The development of brightness enhancement film, is to improve light utilization ratio mostly, such as improves resin index, or improves wear-resisting scratch resistance
Characteristic is wiped, such as changes micro-structure external form, the application of these brightness enhancement films, function is all to efficiently use backlight, not
There is the technology utilized to ambient light.
Utility model content：
The purpose of this utility model provides a kind of brightness enhancement film, which is obtained from backlight with its prism structure
Optical gain, while the light of backlight is made full use of, realizes the utilization to extraneous ambient light.
To achieve the above object, the technical solution of the utility model is：
A kind of brightness enhancement film, including base material, it is characterised in that the base material includes first surface and second surface, and light is incident
Onto first surface, incident light is left by second surface；And light path modulating part, the light path modulating part are set
On the second surface of the base material；And reflecting layer, the reflecting layer is arranged on the light path modulating part bottom, described anti-
Penetrate layer and include the first optical surface away from light path modulating part and the second optical surface being bonded with light path modulating part, institute
State reflecting layer and incide light on second optical surface and the environment of first optical surface is incided in reflection to reflect
Light.Further, the light path adjustment component is prism structure, and the prism structure includes the first inclined plane and second and tilts
Spine and groove are formd together with face, first inclined plane and the second inclined plane, the reflecting layer is arranged on the bottom of the groove
Portion.
Further, the reflecting layer is arranged in the bottom of the groove with V-shaped or up-side down triangle.
Further, the width in the reflecting layer is less than the 1/5 prism structure surface width.
Further, the reflecting layer accounts for the 1/8 of the prism structure surface width.
Further, the prism structure is parallel to each other.
Further, the vertical cross-section of the prism structure is triangle, and angular region arrives for 60 degree in the triangle
130 degree.
Further, the light path modulating part is integrally formed with base substrate.
Further, the light path modulating part has radiused cross-section.
Further, the reflecting layer is selected from metal material.
Further, the metal material is one or two kinds of in silver and aluminium.
Beneficial effect：
Brightness enhancement film obtains the optical gain from backlight with its prism structure, and there is directly optical gain efficiency at prism tip
Influence is connect, the utility model retains prism cutting-edge structure, to ensure its optics benefit.In prism the lowest point optics benefit contribution rate compared with
Low area makes a metallic reflector, and the purpose in this reflecting layer is the light and part external environmental light of reflecting part prism the lowest point
Line.Since metallic reflector upper and lower surface is respectively provided with reflection characteristic, originally can by the light in prism the lowest point region, and
It will not lose, but be reflected back brightness enhancement film and recycle.The brightness enhancement film that the utility model is proposed, except script blast
Film to the optical gain of backlight outside, also have to the recycling benefit of external environmental light.
Brief description of the drawings：
The Figure of description for forming the part of the utility model is used to provide a further understanding of the present invention, this
The schematic description and description of utility model is used to explain the utility model, does not form the improper limit to the utility model
It is fixed.In the accompanying drawings：
Fig. 1 shows a kind of diagrammatic cross-section for brightness enhancement film that the utility model embodiment is provided；
Fig. 2 shows the diagrammatic cross-section for another brightness enhancement film that the utility model embodiment is provided.
Embodiment：
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, is not used to limit the utility model.
Please refer to Fig.1, disclose a kind of brightness enhancement film 100 of embodiment of the utility model, it includes base material 210, light path
Modulating part 220 and reflecting layer 260, base material 210 include first surface 251 and second surface 252；Light path modulating part
220 are set on the second surface 252 of the base material 210；Reflecting layer 260 is arranged on the bottom of light path modulating part 220, reflection
Layer 260 include the first optical surfaces 310 away from light path modulating part 220 and be bonded with light path modulating part 220 the
Two optical surfaces 320.Please refer to Fig.1, L1 is the incident light that sends of lamp source (not shown) of backlight module, and incident light L1 is from base material
210 first surface 251 is incident, and an incident light L1 parts are left by the second surface 252 of base material 210 and modulated through light path
Component 220 projects after modulating；A part of light a reflects return by reflecting layer 260, the reflector that the light a of return passes through backlight module
Reused after (not shown) reflection by light path modulating part 220；L2 be external environment light source incident light, incident light L2 mono-
Part light b is directly reflected by reflecting layer 260.
With continued reference to Fig. 1, in present embodiment, light path modulating part 220 is prism structure；Prism structure is trigone
Mirror, connection parallel to each other, and prism structure include the first inclined plane 221 and the second inclined plane 222, it forms spine together
240 and groove 230；Reflecting layer 260 to reflect incide light on the second optical surface 320 and the reflection external world incide it is described
The ambient light of first optical surface 310.260 section of reflecting layer is arranged in the bottom of the groove 230 in up-side down triangle, described anti-
The width for penetrating layer 260 is less than the 1/5 prism structure surface width, and in the present embodiment, the width in reflecting layer 260 accounts for described
The 1/8 of prism structure surface width.The prism structure is of the same size, or can be different sizes, different shape,
The prism vertical cross-section is triangle, and angular region is 60 to 130 degree in the triangle, and the reflecting layer 260 is selected from gold
Belong to material, the metal material is one or more kinds of in silver and aluminium.
Please refer to Fig.2, disclose the brightness enhancement film 100 of the utility model another embodiment, brightness enhancement film 100 includes base material
210, light path modulating part 220 and reflecting layer 260；The base material 210 includes first surface 251 and second surface 252, light
Incide on first surface 251, incident light is left by second surface 252；In the present embodiment, light path modulating part 220 is
Prism structure, the prism structure are set on the second surface 252 of the base material 210, and the prism structure includes first and tilts
221 and second inclined plane 222 of face, it forms spine 240 and groove 230 together；The reflecting layer 260 is arranged on prism structure groove
230 bottom, the reflecting layer 260 include the first optical surface 310 away from light path modulating part 220 and with light path tune
The second optical surface 320 that component 220 processed is bonded, second optical surface is incided in the reflecting layer 260 partly to reflect
Light on 320 and partly reflection external environment incides the light of first optical surface 310, the reflecting layer 260 is with V words
Shape is arranged in the bottom of the groove 230, and the width in the reflecting layer 260 is less than the 1/5 prism structure surface width, at this
In embodiment, the width in reflecting layer 260 accounts for the 1/8 of the prism structure surface width, and the prism structure is prism, each other
Parallel connection, the prism structure are of the same size, or can be different sizes, different shape, and the prism hangs down
Straightforward face be triangle, and angular region is spent for 60 to 130 in the triangle, and the reflecting layer 260 is selected from metal material, the gold
It is one or more kinds of in silver and aluminium to belong to material.
Please continue to refer to Fig. 2, L1 is the incident light of the lamp source of backlight module, first surfaces 251 of the incident light L1 from base material
Upper incidence, an incident light part are left by the second surface 252 of base material 210；A part of light a is returned by reflecting layer 260, is returned
The light a returned is reused by reflector by prism structure；L2 is the incident light of external light source, and a part of light c of incident light L2 are straight
Connect and reflected by reflecting layer 260, a part of light b is reflected back prism structure by reflecting layer 260 and enters reflector by prism structure
Reuse.
In another embodiment, the light path modulating part 220 of brightness enhancement film 100 may be arranged as with arc-shaped cross-section
Structure.
The foregoing is merely the preferred embodiment of utility model, the utility model is not intended to limit, it is all in the utility model
Modifications, equivalent substitutions and improvements made within spirit and principle etc., should be included within the scope of protection of this utility model.
Attempt to make limitation in any form to the utility model according to this, therefore it is all have make to have under identical utility model spirit
Any modification or change of the utility model are closed, should all be included in the category that the utility model is intended to protection.
Claims (11)
1. a kind of brightness enhancement film (100), including base material (210), it is characterised in that the base material (210) includes first surface (251)
With second surface (252), light is incided on first surface (251), and incident light is left by second surface (252)；And light path
Footpath modulating part (220), the light path modulating part (220) are set on the second surface (252) of the base material (210)；With
And reflecting layer (260), the reflecting layer (260) are arranged on light path modulating part (220) bottom, reflecting layer (260) bag
Containing away from light path modulating part (220) the first optical surface (310) and be bonded with light path modulating part (220) second
Optical surface (320), the reflecting layer (260) incide light on second optical surface (320) and reflection enters to reflect
It is mapped to the ambient light of first optical surface (310).
2. brightness enhancement film (100) according to claim 1, it is characterised in that the optical path modulation component (220) is prism knot
Structure, the prism structure include the first inclined plane (221) and the second inclined plane (222), first inclined plane (221) and second
Inclined plane (222) forms spine (240) and groove (230) together, and the reflecting layer (260) is arranged on the groove (230)
Bottom.
3. brightness enhancement film (100) according to claim 2, wherein, the reflecting layer (260) is with V-shaped or up-side down triangle
It is arranged in the bottom of the groove (230).
4. brightness enhancement film (100) according to claim 2, it is characterised in that the width of the reflecting layer (260) is less than 1/5
The prism structure surface width.
5. brightness enhancement film (100) according to claim 2, it is characterised in that the prism structure is parallel to each other.
6. brightness enhancement film (100) according to claim 2, it is characterised in that the vertical cross-section of the prism structure is triangle
Shape, angular region is 60 degree to 130 degree in the triangle.
7. brightness enhancement film (100) according to claim 1, it is characterised in that the light path modulating part (220) with it is described
Base material (210) is integrally formed.
8. brightness enhancement film (100) according to claim 1, it is characterised in that the light path modulating part (220) has circle
Arc-shaped cross-section.
9. brightness enhancement film (100) according to claim 1, it is characterised in that the reflecting layer (260) is selected from metal material.
10. brightness enhancement film (100) according to claim 9, it is characterised in that the metal material is selected from silver and one in aluminium
Kind or two kinds.
11. a kind of backlight assembly, including claim 1-10 any one of them brightness enhancement films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578366.6U CN207301383U (en) | 2017-05-23 | 2017-05-23 | A kind of brightness enhancement film and backlight assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578366.6U CN207301383U (en) | 2017-05-23 | 2017-05-23 | A kind of brightness enhancement film and backlight assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207301383U true CN207301383U (en) | 2018-05-01 |
Family
ID=62271867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720578366.6U Active CN207301383U (en) | 2017-05-23 | 2017-05-23 | A kind of brightness enhancement film and backlight assembly |
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| Country | Link |
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| CN (1) | CN207301383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132601A (en) * | 2017-05-23 | 2017-09-05 | 张家港康得新光电材料有限公司 | A kind of brightness enhancement film and backlight assembly |
-
2017
- 2017-05-23 CN CN201720578366.6U patent/CN207301383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132601A (en) * | 2017-05-23 | 2017-09-05 | 张家港康得新光电材料有限公司 | A kind of brightness enhancement film and backlight assembly |
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