CN208013461U - Optical film - Google Patents
Optical film Download PDFInfo
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- CN208013461U CN208013461U CN201820226849.4U CN201820226849U CN208013461U CN 208013461 U CN208013461 U CN 208013461U CN 201820226849 U CN201820226849 U CN 201820226849U CN 208013461 U CN208013461 U CN 208013461U
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- Prior art keywords
- layer
- optical
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- optic film
- supporting layer
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- 239000012788 optical film Substances 0.000 title claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims abstract description 75
- 239000010408 film Substances 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 17
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 190
- 239000012528 membrane Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 239000002346 layers by function Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000013007 heat curing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a kind of optical films, including the first optic film structure layer with supporting layer, at least one layer of the second optic film structure layer for being free of supporting layer being fixed to each other, there are air structures between the first optic film structure layer and the second optic film structure layer.The utility model so that light pinching effect is effectively enhanced by the way that air structure, the presence of air structure is arranged, and briliancy is effectively promoted；Simultaneously be compared in the market those have two layers of supporting layer optical films, the utility model due to base material reduction, to reduce absorption and reflection of the base material to light so that the light of transmission increases, and further improves optical gain.
Description
Technical field
The utility model is related to optical device field more particularly to a kind of optical films.
Background technology
Brightness enhancement film is the critical elements in liquid crystal display (LCD).The brightness enhancement film is used to that light to be made more concentratedly to project,
And concentrate in the range of user perspective, so as to promoting the brightness of LCD.
For another example disclose a kind of brightness enhancement film in Chinese patent literature CN105204101A, the brightness enhancement film include supporting layer with
Functional layer in the support layer surface is set, which is characterized in that the functional layer includes multiple subfunction layers, each son
Functional layer is three-dimensionally imaged, and the refractive index of each subfunction layer increases along the direction far from the supporting layer.The device
Multiple functional layers are equipped in base material layer surface, although blast can be realized, optically focused brightening effect is general, it appears that or compared with
Secretly.
For another example a kind of brightness enhancement film disclosed in american documentation literature US0274876, since the brightness enhancement film is with base material
Various optical textures are bonded by adhesive layer so that whole film layer is thicker, and cost is higher, does not meet the simplification of diaphragm future, answers
The characteristics of combination.
Utility model content
To overcome disadvantages mentioned above, the purpose of this utility model is to provide the optics that a kind of spotlight effect is good and thickness is thin
Film.
In order to reach object above, the technical solution adopted in the utility model is：A kind of optical film, including be fixed to each other
The first optic film structure layer, at least one layer of the second optic film structure layer for being free of supporting layer with supporting layer, first light
There are air structures between membrane structure layer and the second optic film structure layer；The first optic film structure layer include supporting layer,
The optical structure layers one of supporting layer one or both sides are set to, the second optic film structure layer includes being set to optical structure layers one
The optical structure layers two or two layers of side far from supporting layer are respectively arranged on two layers of optical structure layers one far from supporting layer
The optical structure layers two of side, the optical structure layers one and optical structure layers two are lens arrangement, the optical structure layers
One and optical structure layers two all have the structured base layer of certain thickness H.
Preferably, ranging from 0-100 μm of the thickness H of the structured base layer.
Preferably, ranging from 1-50 μm of the thickness H of the structured base layer.
Preferably, further include the diffusion layer for being set to the supporting layer another side.
Preferably, the supporting layer uses PET, PMMA, PS or PC material.
The beneficial effects of the utility model：Structure layer surface and upper optics knot of the air layer for light in lower optical texture
The structured base layer surface of structure all has the effect of pinching, improves luminance gain；Simultaneously be compared in the market those have two layers
The optical film of supporting layer, the utility model reduce absorption of the base material to light due to the reduction of base material so that the light of transmission
Increase, further improves optical gain, and reduce product cost.
Description of the drawings
Fig. 1 is the sectional view of the utility model；
Fig. 2 is the sectional view of another embodiment of the utility model.
Fig. 3 is the sectional view of another embodiment of the utility model.
Fig. 4 is the sectional view of another embodiment of the utility model.
Fig. 5 is the sectional view of another embodiment of the utility model.
In figure：
1- the first optic film structure layers；11- supporting layers；2- the second optic film structure layers；3- air structures；41- optics knots
Structure layer one；42- optical structure layers two；5- diffusion layers.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
【Embodiment one】：
Shown in attached drawing 1, a kind of optical film in the present embodiment, including the first optic film structure layer 1 for being fixed to each other
With the second optic film structure layer 2, the second optic film structure layer 2 has tack, passes through heat cure (coining, thermoprint), UV solidifications, purple
Outer processing, dual cure (such as thermosetting-light is solid, light is solid-thermosetting) mode make the first optic film structure layer 1 and the second optical film
Structure sheaf 2 is fixed to each other, and can also be fixed by binder.First optic film structure layer has supporting layer 11, the second optical film
2 layers of structure is free of supporting layer.There are air structures 3 between the first optic film structure layer 1 and the second optic film structure layer 2.
Because being provided with air structure 3 between the first optic film structure layer 1 and the second optic film structure layer 2, then in the second optical film knot
Structure layer 2 and the surface light refraction pinching of air structure 3 are more concentrated, to improve luminance gain；It is compared to market simultaneously
Those upper optical films with two layers of supporting layer, the utility model reduce supporting layer to light due to the reduction of supporting layer
It absorbs, while the interface for reducing supporting layer and dependency structure is reflected, and further improves optical gain, and reduce cost.
The first optic film structure layer 1 includes supporting layer 11, is set to the optical structure layers one of 11 one side of supporting layer
41, the second optic film structure layer 2 includes optical structure layers 2 42, and the optical structure layers 2 42 are set to optical structure layers
One 1 sides far from supporting layer 11, the optical structure layers 1 and optical structure layers 2 42 are the prism knot of multiple extensions
Structure, and optical structure layers 1 and optical structure layers 2 42 all have certain structured base layer thickness, structured base layer thickness H is
35μm.Directly fitting angular range is 0-170 °, preferably 90 ° for the optical structure layers 1 and optical structure layers 2 42.
Briliancy promotes 4.7% compared with the composite membrane for having base material (structure sheaf refractive index is consistent) relatively.
【Embodiment two】：
Shown in attached drawing 2, a kind of optical film in the present embodiment, including the first optic film structure layer 1 for being fixed to each other
With the second optic film structure layer 2, the second optic film structure layer 2 has tack, passes through heat cure (coining, thermoprint), UV solidifications, purple
Outer processing, dual cure (such as thermosetting-light is solid, light is solid-thermosetting) mode make the first optic film structure layer 1 and the second optical film
Structure sheaf 2 is fixed to each other, and can also be fixed by binder.First optic film structure layer has supporting layer 11, the second optical film
2 layers of structure is free of supporting layer 11.There are air structures between the first optic film structure layer 1 and the second optic film structure layer 2
3.But because being provided with air structure 3 between the first optic film structure layer 1 and the second optic film structure layer 2, air structure 3 is deposited
So that light pinching effect is effectively enhanced, briliancy is effectively promoted；Simultaneously be compared in the market those have
The optical film of two layers of supporting layer 11, the utility model due to base material reduction, to reduce base material to the absorption of light and anti-
It penetrates so that the light of transmission increases, and further improves optical gain.
The first optic film structure layer 1 includes supporting layer 11, is set to the optical structure layers one of 11 one side of supporting layer
41, the second optic film structure layer 2 includes optical structure layers 2 42, and the optical structure layers 2 42 are set to optical structure layers
One 1 sides far from supporting layer 11, the optical structure layers 1 and optical structure layers 2 42 are the prism knot of multiple extensions
Structure, and the structured base layer thickness of optical structure layers 1 is 0 μm, optical structure layers 2 42 have certain structured base layer thickness,
Structured base layer thickness H is 1 μm.Directly fitting angular range is 0- for the optical structure layers 1 and optical structure layers 2 42
170 °, preferably 90 °.
11 another side of the supporting layer is additionally provided with diffusion layer 5, which can be Non-smooth surface face plus diffusion grain
Son can improve and hide flaw performance.
Briliancy promotes 4.3% compared with the composite membrane for having base material (structure sheaf refractive index is consistent) relatively.
【Embodiment three】：
Shown in attached drawing 3, a kind of optical film in the present embodiment, including the first optic film structure layer 1 for mutually bonding
With the second optic film structure layer 2, the second optic film structure layer 2 has tack, passes through heat cure (coining, thermoprint), UV solidifications, purple
Outer processing, dual cure (such as thermosetting-light is solid, light is solid-thermosetting) mode make the first optic film structure layer 1 and the second optical film
Structure sheaf 2 is fixed to each other, and can also be fixed by binder.First optic film structure layer has supporting layer 11, the second optical film
2 layers of structure is free of supporting layer 11.There are air structures between the first optic film structure layer 1 and the second optic film structure layer 2
3.But because being provided with air structure 3 between the first optic film structure layer 1 and the second optic film structure layer 2, then in the second optics
Membrane structure layer 2 and the surface light refraction pinching of air structure 3 are more concentrated, to improve luminance gain；It is compared to simultaneously
Those optical films with two layers of supporting layer, the utility model reduce base material to light due to the reduction of base material in the market
It absorbs, while the interface for reducing supporting layer and dependency structure is reflected, to improve optical gain.
The first optic film structure layer 1 includes supporting layer 11, is set to the optical structure layers one of 11 one side of supporting layer
41, the second optic film structure layer 2 includes two layers of optical structure layers 2 42, and two layers of optical structure layers 2 42 is set to light
Side of the structure sheaf 1 far from supporting layer 11 is learned, the optical structure layers 1 are the lens arrangement of multiple extensions, two layers of light
The prism structure that structure sheaf 2 42 is multiple extensions is learned, and optical structure layers 1 and optical structure layers 2 42 all have centainly
Structured base layer thickness, structured base layer thickness H be 50 μm.The optical structure layers 1 and optical structure layers 2 42 are direct
It is 0-170 °, preferably 90 ° to be bonded angular range.
Briliancy promotes 3.6% compared with the composite membrane for having base material (structure sheaf refractive index is consistent) relatively.
【Example IV】：
Shown in attached drawing 4, a kind of optical film in the present embodiment, compared with above-described embodiment, first optical film
Structure sheaf 1 includes supporting layer 11, is respectively arranged at the optical structure layers 1 of 11 two sides of supporting layer, the optical structure layers for two layers
One 41 be the lens arrangement of multiple extensions, and the second optic film structure layer 2 includes two layers of optical structure layers 2 42, two layers of institute
It states optical structure layers 2 42 and is set to side of the optical structure layers 1 far from supporting layer 11, one layer of optical structure layers 2 42 are more
The prism structure of a extension, another layer of optical structure layers 2 42 are cylindrical lens structure, and optical structure layers 1 and optical texture
Layer 2 42 all has certain structured base layer thickness, and structured base layer thickness H is 75 μm.The optical structure layers 1 and optics
Directly fitting angular range is 0-170 °, preferably 90 ° to structure sheaf 2 42.
Briliancy promotes 3.1% compared with the composite membrane for having base material (structure sheaf refractive index is consistent) relatively.
【Embodiment five】：
Shown in attached drawing 5, a kind of optical film in the present embodiment, compared with above-described embodiment, first optical film
Structure sheaf 1 includes supporting layer 11, is set to the optical structure layers 1 of 11 one side of supporting layer, the second optic film structure layer
2 include two layers of optical structure layers 2 42, and two layers of optical structure layers 2 42 is set to optical structure layers 1 far from supporting layer
11 side, the optical structure layers 1 are the prism structure of multiple extensions, and two layers of optical structure layers 2 42 is multiple prolong
The prism structure stretched, and optical structure layers 1 and optical structure layers 2 42 all have certain structured base layer thickness, the structure
Groundwork thickness H is 100 μm.Directly fitting angular range is 0- for the optical structure layers 1 and optical structure layers 2 42
170 °, preferably 90 °.
Briliancy promotes 5.1% compared with the composite membrane for having base material (structure sheaf refractive index is consistent) relatively, although briliancy is relatively implemented
Example 1 has small range promotion, but its thickness is thicker than embodiment 1, is unfavorable for module slimming, and cost is also higher.
Embodiment of above is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with this skill
The people of art understands the content of the utility model and is implemented, and can not limit the scope of protection of the utility model with this, all
According to the equivalent change or modification that the spirit of the present invention is substantially done, should all cover within the protection scope of the present utility model.
Claims (5)
1. a kind of optical film, including the first optic film structure layer with supporting layer, at least one layer of without support for being fixed to each other
Second optic film structure layer of layer, there are air structures between the first optic film structure layer and the second optic film structure layer；
The first optic film structure layer includes supporting layer, is set to the optical structure layers one of supporting layer one or both sides, and described second
Optic film structure layer includes that the optical structure layers two or two layers set on side of the optical structure layers one far from supporting layer are respectively arranged on
The optical structure layers two of two layers of side of the optical structure layers one far from supporting layer, the optical structure layers one and optical texture
Layer two is lens arrangement, and the optical structure layers one and optical structure layers two all have the structured base layer of certain thickness H.
2. optical film according to claim 1, it is characterised in that：The ranging from 0-100 μ of the thickness H of the structured base layer
m。
3. optical film according to claim 2, it is characterised in that：Ranging from 1-50 μm of the thickness H of the structured base layer.
4. optical film according to claim 1, it is characterised in that：It further include the expansion for being set to the supporting layer another side
Dissipate layer.
5. optical film according to claim 1, it is characterised in that：The supporting layer uses PET, PMMA, PS or PC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820226849.4U CN208013461U (en) | 2018-02-08 | 2018-02-08 | Optical film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820226849.4U CN208013461U (en) | 2018-02-08 | 2018-02-08 | Optical film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013461U true CN208013461U (en) | 2018-10-26 |
Family
ID=63886248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820226849.4U Active CN208013461U (en) | 2018-02-08 | 2018-02-08 | Optical film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208013461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133762A (en) * | 2018-02-08 | 2019-08-16 | 浙江锦辉光电材料有限公司 | Optical film |
| CN110231736A (en) * | 2019-05-29 | 2019-09-13 | 惠州市华星光电技术有限公司 | Backing structure and display panel |
-
2018
- 2018-02-08 CN CN201820226849.4U patent/CN208013461U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133762A (en) * | 2018-02-08 | 2019-08-16 | 浙江锦辉光电材料有限公司 | Optical film |
| CN110231736A (en) * | 2019-05-29 | 2019-09-13 | 惠州市华星光电技术有限公司 | Backing structure and display panel |
| CN110231736B (en) * | 2019-05-29 | 2020-10-16 | 惠州市华星光电技术有限公司 | Backlight structure and display panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Optical film Granted publication date: 20181026 Pledgee: Zhejiang Lanxi Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG JINHUI OPTOELECTRONIC MATERIAL CO.,LTD. Registration number: Y2024980030560 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |