CN208999590U - A kind of optical compound film - Google Patents
A kind of optical compound film Download PDFInfo
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- CN208999590U CN208999590U CN201821594656.0U CN201821594656U CN208999590U CN 208999590 U CN208999590 U CN 208999590U CN 201821594656 U CN201821594656 U CN 201821594656U CN 208999590 U CN208999590 U CN 208999590U
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Abstract
The utility model discloses a kind of optical compound films, it include arrange from the bottom to top enter photosphere (1), at least two layers of the first complex optics layer (2), and the second complex optics layer (4), between the first adjacent complex optics layer (2), laminating layer (3) are respectively equipped between first complex optics layer (2) and the second complex optics layer (4), the first complex optics layer (2) includes entering the substrate layer (2-1) and prism layer (2-2) that the direction of photosphere (1) is sequentially stacked far from described in, the second complex optics layer (4) includes the substrate layer (4-1) and diffusion layer (4-2) for entering the direction of photosphere (1) far from described in and being sequentially stacked, the laminating layer (3) and diffusion layer (4-2) have mist degree.Optical compound film provided by the utility model, it is ensured that the light-emitting uniformity and shielding of product simplify production technology, reduce production cost.
Description
Technical field
The utility model relates to technical field of liquid crystal display, in particular to a kind of optical compound film.
Background technique
Optical compound film mainly passes through PET and processes through mold at present, and the knot such as prism, lenticule, diffusion is formed on PET
Then structure forms multilayer optical composite membrane by adhesives, optical compound film common at present has two layers of prism fitting,
The fairly simple optical textures such as the structure of composite membrane being bonded with prism are spread, MULTILAYER COMPOSITE membrane structure, optical design is complicated, patch
Conjunction technique is cumbersome, and cost is relatively high, has been reported that the optical property that product is improved by Optimal Structure Designing, example in document before
Such as increase particle in entering light substrate layer, adjusts product uniformity of luminance and product shielding；There are also in two prism laminating films
Upper increase microlens structure etc., but the complex process.In order to obtain with the product of the high screening performance of haze, only exist
Enter light substrate layer or diffusion layer setting mist degree, is extremely difficult to product requirement.
Utility model content
Based on the problems of the prior art, the purpose of the utility model is to provide a kind of optical compound films, with high fog
Spend high screening performance, and simple process.
Based on the above issues, technical solution provided by the utility model is:
A kind of optical compound film comprising arrange from the bottom to top enter photosphere, at least two layers of the first complex optics layer and
Second complex optics layer, between two layers of first complex optics layers, between the first complex optics layer and the second complex optics layer respectively
Equipped with laminating layer, the first complex optics layer includes the substrate layer and prism for entering the direction of photosphere far from described in and being sequentially stacked
Layer, the second complex optics layer include the substrate layer and diffusion layer for entering the direction of photosphere far from described in and being sequentially stacked, the patch
Closing layer and diffusion layer has mist degree.
In one of them embodiment, the diffusion layer be equipped with optical structure layers, the optical structure layers with it is described
The refractive index of diffusion layer is consistent.
In one of them embodiment, the optical structure layers are solidified using acrylic resin coating, the light
Learn structure sheaf with a thickness of 10~15 μm.
In one of them embodiment, the mist degree of the diffusion layer is 30~65%, and the mist degree of the laminating layer is 20
~40%.
In one of them embodiment, the diffusion layer with a thickness of 12~25 μm, the laminating layer with a thickness of 3~
8μm。
In one of them embodiment, in the laminating layer and the diffusion layer and diffusion particle, and it is located at described
The partial size of diffusion particle in diffusion layer, number are all larger than the diffusion particle positioned at the laminating layer.
In one of them embodiment, the partial size of the diffusion particle in the laminating layer is 2~3 μm.
In one of them embodiment, the partial size of the diffusion particle of the diffusion layer is 3~20 μm.
In one of them embodiment, the prism layer is contour or with difference of height prism structure.
In one of them embodiment, the height of contour structure is 60~70 μm, the height of difference of height structure is 58~
63 μm, the difference of difference of height is less than 5 μm.
Compared with prior art, the utility model has the advantages that:
Using the technical solution of the utility model, certain mist degree is set in laminating layer and diffusion layer, replaces the prior art
In only on entering light substrate layer be arranged mist degree layer technique, guarantee the uniformity of luminance and shielding of product, guarantee the patch of product
Peeling force is closed, while simplifying technique, is reduced costs.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, and the drawings in the following description are merely some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of optical compound film embodiment of the utility model；
Wherein:
1, enter photosphere；
2, the first complex optics layer；2-1, substrate layer；2-2, prism layer；
3, laminating layer；
4, the second complex optics layer；4-1, substrate layer；2-2, diffusion layer；
5, optical structure layers.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating
The utility model and be not limited to limitation the scope of the utility model.Implementation condition used in the examples can be according to specific producer
Condition do further adjustment, the implementation condition being not specified is usually the condition in routine experiment.
Referring to Fig. 1, it is the structural schematic diagram of the utility model embodiment, provides a kind of optical compound film comprising under
Supreme folded the first complex optics layer 2 and the second complex optics layer 4 for entering photosphere 1, two layers set, two layers of first complex optics layers 2
Between, between the first complex optics layer 2 and the second complex optics layer 4 be respectively equipped with laminating layer 3, the first complex optics layer 2 includes
Far from direction the substrate layer 2-1 and prism layer 2-2 that are sequentially stacked for entering photosphere 1, the second complex optics layer 4 includes far from entering photosphere
The substrate layer 4-1 and diffusion layer 4-2 that 1 direction is sequentially stacked, laminating layer 3 and diffusion layer 4-2 have mist degree.
Wherein, entering photosphere 1 is the coating that mist degree is 3%, to increase light transmittance.
Substrate layer 2-1,4-1 are substrate layer commonly used in the art, such as PET base material layer, are solidified using UV.
Laminating layer 3 includes acrylic acid glue-line and the diffusion particle that is arranged in acrylic acid glue-line, laminating layer with a thickness of 3~
8 μm, the partial size of diffusion particle is 2~3 μm in laminating layer, and particle accounts for the 1.5~3% of colloidal sol.Diffusion particle includes organic filler
And/or inorganic particulate, organic filler be selected from any one of polyolefin, polystyrene, polyamide, polyurethane and melamine or
A variety of, inorganic particulate is selected from silicon, SiO2、TiO2、Al2O3And ZrO2It is any one or more of.The mist degree of laminating layer 3 be 20~
40%, and the mist degree of two layers of laminating layer 3 is different.Two layers of laminating layer 3 is respectively provided with mist degree, compared in the past in one layer of adhered layer setting
Mist degree, the diffusion particle in each layer of adhered layer is less, and the dispersibility of particle is more preferable, so that the adhesive property of adhered layer is more preferable.
Diffusion layer 4-2 plays the role of light out and even light, and the partial size of the diffusion particle in diffusion layer 4-2, number are all larger than
In the diffusion particle of laminating layer 3, this example, diffusion layer 4-2 with a thickness of 12~25 μm, diffusion particle in diffusion layer 4-2
Partial size is 3~20 μm, and the mist degree of diffusion layer 4-2 is 30~65%.Diffusion particle can be selected and laminating layer 3 in diffusion layer 4-2
Diffusion particle is identical.
It is respectively provided with mist degree on laminating layer 3 and diffusion layer 4-2, compared with the prior art, technique is simpler, reduces setting one
The burden of layer mist degree structure, can guarantee the fitting peeling force of product, improve the quality of product.
In order to advanced optimize the implementation result of the utility model, optical structure layers 5, the light are equipped on diffusion layer 4-2
Learn structure sheaf 5 using acrylic resin coating solidifies, optical structure layers 5 with a thickness of 10~15 μm, optical structure layers 5 have
Part is immersed in diffusion layer 4-2, and immersion depth is 5~8 μm.Both it can guarantee the shielding of product, while also having reduced product surface
Roughness, make product subsequent processing operations be bonded OCA when guarantee flat appearance.
In order to guarantee that light-emitting uniformity, the refractive index of optical structure layers 5 are consistent with the refractive index of diffusion layer 4-2.
Prism layer 2-2 is contour or with difference of height prism structure, wherein the height of contour structure is 60~70 μm, it is high
The height of low difference structure is 58~63 μm, and the difference of difference of height is less than 5 μm, to play the role of optically focused blast.
Examples detailed above is only to illustrate the technical ideas and features of the present invention, and its object is to allow be familiar with technique
People is can to understand the content of the utility model and implement accordingly, is not limited the protection scope of the present invention.It is all
According to the spirit of the present invention substantially equivalent transformation that is done or modification, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of optical compound film, it is characterised in that: enter photosphere (1), at least the first of two layers multiple including what is arranged from the bottom to top
Optical layer (2) and the second complex optics layer (4) are closed, between the first adjacent complex optics layer (2), the first complex optics layer (2)
It is respectively equipped with laminating layer (3) between the second complex optics layer (4), the first complex optics layer (2) includes entering far from described in
The substrate layer (2-1) and prism layer (2-2) that the direction of photosphere (1) is sequentially stacked, the second complex optics layer (4) includes separate
It is described enter photosphere (1) the direction substrate layer (4-1) and diffusion layer (4-2) that are sequentially stacked, the laminating layer (3) and diffusion layer
(4-2) has mist degree.
2. optical compound film according to claim 1, it is characterised in that: the diffusion layer (4-2) is equipped with optical texture
Layer (5), the optical structure layers (5) are consistent with the refractive index of the diffusion layer (4-2).
3. optical compound film according to claim 2, it is characterised in that: the optical structure layers (5) use acrylic acid tree
Rouge coating solidifies, the optical structure layers (5) with a thickness of 10~15 μm.
4. optical compound film according to claim 1, it is characterised in that: the mist degree of the diffusion layer (4-2) be 30~
65%, the mist degree of the laminating layer (3) is 20~40%.
5. optical compound film according to claim 1, it is characterised in that: the diffusion layer (4-2) with a thickness of 12~25 μ
M, the laminating layer (3) with a thickness of 3~8 μm.
6. optical compound film according to claim 1, it is characterised in that: the laminating layer (3) and the diffusion layer (4-2)
It is inside equipped with diffusion particle, and the partial size for the diffusion particle being located in the diffusion layer (4-2), number are all larger than positioned at the patch
Close the diffusion particle of layer (3).
7. optical compound film according to claim 6, it is characterised in that: the grain of the diffusion particle in the laminating layer (3)
Diameter is 2~3 μm.
8. optical compound film according to claim 6, it is characterised in that: the grain of the diffusion particle of the diffusion layer (4-2)
Diameter is 3~20 μm.
9. optical compound film according to claim 1, it is characterised in that: the prism layer (2-2) is contour prism knot
Structure or prism structure with difference of height.
10. optical compound film according to claim 9, it is characterised in that: the height of the contour prism structure is 60
~70 μm, the height of the prism structure with difference of height is 58~63 μm, and the difference of difference of height is less than 5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821594656.0U CN208999590U (en) | 2018-09-28 | 2018-09-28 | A kind of optical compound film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821594656.0U CN208999590U (en) | 2018-09-28 | 2018-09-28 | A kind of optical compound film |
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| Publication Number | Publication Date |
|---|---|
| CN208999590U true CN208999590U (en) | 2019-06-18 |
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| CN201821594656.0U Active CN208999590U (en) | 2018-09-28 | 2018-09-28 | A kind of optical compound film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238906A1 (en) * | 2020-05-27 | 2021-12-02 | 京东方科技集团股份有限公司 | Backlight structure and lcd display module |
| WO2023178561A1 (en) * | 2022-03-23 | 2023-09-28 | 京东方科技集团股份有限公司 | Display module and manufacturing method therefor, and display device |
-
2018
- 2018-09-28 CN CN201821594656.0U patent/CN208999590U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238906A1 (en) * | 2020-05-27 | 2021-12-02 | 京东方科技集团股份有限公司 | Backlight structure and lcd display module |
| WO2023178561A1 (en) * | 2022-03-23 | 2023-09-28 | 京东方科技集团股份有限公司 | Display module and manufacturing method therefor, and display device |
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