CN107132601A - A kind of brightness enhancement film and backlight assembly - Google Patents
A kind of brightness enhancement film and backlight assembly Download PDFInfo
- Publication number
- CN107132601A CN107132601A CN201710368282.4A CN201710368282A CN107132601A CN 107132601 A CN107132601 A CN 107132601A CN 201710368282 A CN201710368282 A CN 201710368282A CN 107132601 A CN107132601 A CN 107132601A
- Authority
- CN
- China
- Prior art keywords
- brightness enhancement
- enhancement film
- reflecting layer
- light
- light path
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000007769 metal material Substances 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 241000190022 Pilea cadierei Species 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 17
- 230000008901 benefit Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S19/00—Lighting devices or systems employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0808—Mirrors having a single reflecting layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention provides a kind of brightness enhancement film, including base material, and the base material includes 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 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 fitted with light path modulating part, the reflecting layer incides the light on second optical surface to partly reflection and partly reflection external environment incides the light of first optical surface, the brightness enhancement film is in addition to optical gain of the script brightness enhancement film to backlight, the also recycling with ambient light to external world.
Description
Technical field：
The present invention relates 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, for example, improve resin index, or improve wear-resisting scratch resistance
Characteristic is wiped, for example, changes micro-structural external form, the application of these brightness enhancement films, function is all effective utilization to backlight, not
There is the technology that light is utilized to external world.
The content of the invention：
It is an object of the invention to provide a kind of brightness enhancement film, the brightness enhancement film obtains the optics from backlight with its prism structure
Gain, while the light of backlight is made full use of, realizes the utilization of ambient light to external world.
To achieve the above object, the technical scheme is that：
A kind of brightness enhancement film, including base material, it is characterised in that the base material includes first surface and second surface, light is incident
Onto first surface, incident light is left by second surface；And light path modulating part, the light path modulating part setting
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 fitted 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 part is prism structure, and the prism structure includes the first inclined plane and second and tilted
Face, first inclined plane forms spine and groove together with the second inclined plane, and 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 del
Further, the width in the reflecting layer is less than prism structure surface width described in 1/5.
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 that angular region is 60 degree to 130 in triangle, the triangle
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, one or two kinds of of the metal material in silver and aluminium.
Beneficial effect：
Brightness enhancement film obtains the optical gain from backlight with its prism structure, and prism tip has directly to optical gain efficiency
Influence is connect, the present invention retains prism cutting-edge structure, to ensure its optics benefit.In the prism the lowest point relatively low area of optics benefit contribution rate
Domain makes a metallic reflector, and the purpose in this reflecting layer is the light and part external environment light of reflecting part prism the lowest point.
, therefore, originally can be by the light in prism the lowest point region because metallic reflector upper and lower surface is respectively provided with reflection characteristic, can't
Loss, but it is reflected back brightness enhancement film and recycle and reuse.Brightness enhancement film proposed by the invention, except script brightness enhancement film is to backlight
Outside the optical gain in source, the also recycling benefit with ambient light to external world.
Brief description of the drawings：
The Figure of description for constituting the part of the present invention is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows a kind of diagrammatic cross-section for brightness enhancement film that embodiment of the present invention is provided；
Fig. 2 shows the diagrammatic cross-section for another brightness enhancement film that embodiment of the present invention is provided.
Embodiment：
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Fig. 1 is refer to, the brightness enhancement film 100 of one embodiment of the present invention is disclosed, it includes base material 210, light path modulation
Part 220 and reflecting layer 260, base material 210 include first surface 251 and second surface 252；Light path modulating part 220 is set
On the second surface 252 for putting the base material 210；Reflecting layer 260 is arranged on the bottom of light path modulating part 220, reflecting layer 260
Include the first optical surface 310 away from light path modulating part 220 and the second optics fitted with light path modulating part 220
Face 320.Refer to Fig. 1, the incident light that L1 sends for the lamp source (not shown) of backlight module, incident light L1 from base material 210 the
One surface 251 is incident, and an incident light L1 parts are left and through light path modulating part 220 by the second surface 252 of base material 210
Projected after modulation；A part of light a reflects return by reflecting layer 260, the reflector (not shown) that the light a of return passes through backlight module
Reused after reflection by light path modulating part 220；L2 is the incident light of external environment light source, a part of light b of incident light L2
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 Rhizoma Sparganii
Mirror, connection parallel to each other, and prism structure include the first inclined plane 221 and the second inclined plane 222, and it forms spine together
240 and groove 230；Light on the second optical surface 320 is incided to reflect and the reflection external world incides described the in reflecting layer 260
The ambient light of one optical surface 310.The section of reflecting layer 260 is arranged in the bottom of the groove 230, the reflection in del
The width of layer 260 is that in the present embodiment, the width in reflecting layer 260 accounts for the rib less than prism structure surface width described in 1/5
The 1/8 of mirror structure surface width.The prism structure is of the same size, or can be different sizes, different shape, institute
Prism vertical cross-section is stated for triangle, angular region is 60 to 130 degree in the triangle, the reflecting layer 260 is selected from metal
Material, the metal material is one or more kinds of in silver and aluminium.
Fig. 2 is refer to, the brightness enhancement film 100 of another embodiment of the present invention is disclosed, brightness enhancement film 100 includes base material 210, light
Path-modulation part 220 and reflecting layer 260；The base material 210 includes first surface 251 and second surface 252, and light incides the
On one 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 is set on the second surface 252 of the base material 210, and the prism structure includes the first inclined plane 221 and the
Two inclined planes 222, it forms spine 240 and groove 230 together；The reflecting layer 260 is arranged on the bottom of prism structure groove 230
Portion, the reflecting layer 260 include the first optical surface 310 away from light path modulating part 220 and with light path modulating part
Incided to partly reflection on second optical surface 320 in second optical surface 320 of 220 laminatings, the reflecting layer 260
Light and partly reflection external environment incides the light of first optical surface 310, the reflecting layer 260 is arranged with V-shaped
In the bottom of the groove 230, the width in the reflecting layer 260 is less than prism structure surface width described in 1/5, in the present embodiment
In, the width in reflecting layer 260 accounts for the 1/8 of the prism structure surface width, and the prism structure is prism, company parallel to each other
Connect, the prism structure is of the same size, or can be different sizes, different shape, the prism vertical cross-section
For triangle, angular region is 60 to 130 degree in the triangle, and the reflecting layer 260 is selected from metal material, the metal material
It is one or more kinds of in silver and aluminium.
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 is left by the second surface 252 of base material 210；A part of light a is returned by reflecting layer 260, is returned
Light a 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 direct
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 again
It is secondary to utilize.
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 only the preferred embodiment of invention, be not intended to limit the present invention, it is all the spirit and principles in the present invention it
Interior made modifications, equivalent substitutions and improvements etc., should be included in the scope of the protection.Attempt according to this to the present invention
Make any formal limitation, therefore all have any modification or change for making the relevant present invention under identical spirit,
It should all be included in that the invention is intended to the category protected.
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) is set on the second surface (252) of the base material (210)；With
And reflecting layer (260), the reflecting layer (260) is arranged on light path modulating part (220) bottom, reflecting layer (260) bag
Containing the first optical surface (310) away from light path modulating part (220) and fit with light path modulating part (220) second
Optical surface (320), the reflecting layer (260) incides 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 light path adjustment part (220) is prism knot
Structure, the prism structure includes 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 1, wherein, the reflecting layer (260) is with V-shaped or del
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
Angular region is 60 degree to 130 degree in shape, 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
Plant or two kinds.
11. a kind of backlight assembly, including the brightness enhancement film described in claim any one of 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368282.4A CN107132601A (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 |
|---|---|---|---|
| CN201710368282.4A CN107132601A (en) | 2017-05-23 | 2017-05-23 | A kind of brightness enhancement film and backlight assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107132601A true CN107132601A (en) | 2017-09-05 |
Family
ID=59732158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710368282.4A Pending CN107132601A (en) | 2017-05-23 | 2017-05-23 | A kind of brightness enhancement film and backlight assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107132601A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746704A (en) * | 2004-09-09 | 2006-03-15 | 三星电子株式会社 | Prismatic lens, backlight assembly and have its LCD device |
| CN1888939A (en) * | 2005-06-29 | 2007-01-03 | Lg.菲利浦Lcd株式会社 | Prism sheet and backlight unit using the same |
| US20070002583A1 (en) * | 2005-06-29 | 2007-01-04 | Lg.Philips Lcd Co., Ltd. | Prism sheet, backlight unit using the same, and method for fabricating the prism sheet |
| KR20090001236A (en) * | 2007-06-29 | 2009-01-08 | 엘지전자 주식회사 | Optical sheet, method for manufacturing the optical sheet, backlight unit comprising the optical sheet and liquid crystal display comprising the optical sheet |
| CN202256735U (en) * | 2011-09-20 | 2012-05-30 | 北京康得新复合材料股份有限公司 | Composite structure brightness enhancing film |
| CN207301383U (en) * | 2017-05-23 | 2018-05-01 | 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 CN201710368282.4A patent/CN107132601A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746704A (en) * | 2004-09-09 | 2006-03-15 | 三星电子株式会社 | Prismatic lens, backlight assembly and have its LCD device |
| CN1888939A (en) * | 2005-06-29 | 2007-01-03 | Lg.菲利浦Lcd株式会社 | Prism sheet and backlight unit using the same |
| US20070002583A1 (en) * | 2005-06-29 | 2007-01-04 | Lg.Philips Lcd Co., Ltd. | Prism sheet, backlight unit using the same, and method for fabricating the prism sheet |
| KR20090001236A (en) * | 2007-06-29 | 2009-01-08 | 엘지전자 주식회사 | Optical sheet, method for manufacturing the optical sheet, backlight unit comprising the optical sheet and liquid crystal display comprising the optical sheet |
| CN202256735U (en) * | 2011-09-20 | 2012-05-30 | 北京康得新复合材料股份有限公司 | Composite structure brightness enhancing film |
| CN207301383U (en) * | 2017-05-23 | 2018-05-01 | 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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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170905 |