CN216033023U - OCA optical film - Google Patents
OCA optical film Download PDFInfo
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- CN216033023U CN216033023U CN202120433562.0U CN202120433562U CN216033023U CN 216033023 U CN216033023 U CN 216033023U CN 202120433562 U CN202120433562 U CN 202120433562U CN 216033023 U CN216033023 U CN 216033023U
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Abstract
The utility model discloses an OCA optical film, which belongs to the technical field of optical films and comprises an OCA film body, wherein the OCA film body comprises a light incident surface and a light emergent surface, a light scattering film is arranged on the light emergent surface, the light scattering film is a PET film added with a light scattering agent, and a polymer antireflection film is arranged on the light incident surface. The light scattering film is arranged on the light emitting surface of the OCA glue film body, so that the problem of the inherent visual angle asymmetry of the liquid crystal display is solved, the reflection of light at the light incident surface can be reduced by the arrangement of the polymer antireflection film on the light incident surface, the transmissivity of large-angle incident light is enhanced, and the wide-angle light collection efficiency of the optical film is improved.
Description
Technical Field
The utility model relates to the technical field of optical films, in particular to an OCA optical film.
Background
The OCA optical film is widely applied in the electronic product industry, and along with the development of science and technology and the improvement of requirements of people on science and technology products, the problem of asymmetric visual angle of the OCA optical film in a liquid crystal display becomes more obvious, and the uniformity of brightness at a light-emitting surface cannot be well realized.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the OCA optical film with reasonable structure and ingenious design.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the OCA optical film comprises an OCA adhesive film body, wherein the OCA adhesive film body comprises a light incidence surface and a light emergence surface, a light scattering film is arranged on the light emergence surface, the light scattering film is a light scattering agent-PET film, and a polymer antireflection film is arranged on the light incidence surface.
Further, the thickness of the light scattering film is 30 μm to 90 μm.
Further, the light scattering agent added to the light scattering film is a polysiloxane light scattering agent.
Further, the light transmittance of the light scattering film is more than 85%, and the haze is more than 80%.
Furthermore, the thickness of the OCA glue layer of the OCA glue film body is 70-100 μm.
Furthermore, an impact-resistant film is arranged on the polymer antireflection film.
Furthermore, the polymer antireflection film is provided with salient points distributed in a matrix on the surface, the impact-resistant film is correspondingly provided with grooves distributed in the matrix on the surface, and the salient points can be clamped into the corresponding grooves.
Furthermore, the size of the salient points is 1mm-4mm, and the size of the grooves is 1.2mm-4.2 mm.
The utility model has the beneficial effects that: the light scattering film is arranged on the light emitting surface of the OCA glue film body, so that the problem of the inherent visual angle asymmetry of the liquid crystal display is solved, the reflection of light at the light incident surface can be reduced by the arrangement of the polymer antireflection film on the light incident surface, the transmissivity of large-angle incident light is enhanced, and the wide-angle light collection efficiency of the optical film is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
As shown in fig. 1, an OCA optical film includes an OCA adhesive film body 1, where the OCA adhesive film body 1 includes a light incident surface and a light emergent surface, the light emergent surface is provided with a light scattering film 2, the light scattering film 2 is a light scattering agent-PET film, and the light incident surface is provided with a polymer antireflection film 3.
The light scattering agent-PET film is a PET film to which a light scattering agent is added.
The light scattering film 2 is arranged on the light emitting surface of the OCA glue film body 1, so that the problem of the inherent visual angle asymmetry of the liquid crystal display is solved, the polymer antireflection film 3 on the light incident surface can reduce the reflection of light at the light incident surface, enhance the transmissivity of large-angle incident light and improve the wide-angle light collection efficiency of the optical film.
The light scattering agent added in the light scattering film 2 is polysiloxane light scattering agent, the thickness of the light scattering film 2 is 30-90 μm, the light transmittance of the light scattering film 2 is more than 85%, and the haze is more than 80%. Specifically, the silicone light scattering agent was silicone microspheres incorporated at 30%. The polysiloxane microspheres basically have no absorption and covering effect on incident light, do not influence light transmittance, and have good light scattering capacity.
Wherein, the thickness of the OCA glue layer of the OCA glue film body 1 is 70-100 μm.
The polymer antireflection film 3 is provided with the impact-resistant film 4, and when the screen is impacted by strong force, the screen can be effectively prevented from being damaged by the impact-resistant film 4.
Further, polymer antireflection coating 3 is equipped with bump 5 that is the matrix distribution on the surface, the correspondence of anti impact coating 4 is equipped with recess 6 that is the matrix distribution on the surface, in corresponding recess 6 can be gone into to bump 5 for the interlock reinforcing between anti impact coating 4 and the polymer antireflection coating 3, anti impact coating 4 is difficult for rolling up, and stability promotes greatly.
Preferably, the size of the salient points 5 is 1mm-4mm, and correspondingly, the size of the grooves 6 is 1.2mm-4.2 mm.
While the preferred embodiments of the present invention have been illustrated and described, it will be appreciated that the utility model may be embodied otherwise than as specifically described and that equivalent alterations and modifications, which may be effected thereto by those skilled in the art without departing from the spirit of the utility model, are deemed to be within the scope and spirit of the utility model.
Claims (7)
1. The OCA optical film is characterized by comprising an OCA adhesive film body (1), wherein the OCA adhesive film body (1) comprises a light incidence surface and a light emergence surface, a light scattering film (2) is arranged on the light emergence surface, the light scattering film (2) is a light scattering agent-PET film, and a polymer antireflection film (3) is arranged on the light incidence surface.
2. The OCA optical film according to claim 1, wherein the thickness of the light scattering film (2) is 30 μm to 90 μm.
3. The OCA optical film of claim 2, wherein the light scattering film (2) has a light transmittance of greater than 85% and a haze of greater than 80%.
4. The OCA optical film according to claim 1, wherein the thickness of the OCA glue layer of the OCA glue film body (1) is 70-100 μm.
5. The OCA optical film according to claim 1, wherein the polymer antireflection film (3) is provided with an impact resistant film (4).
6. The OCA optical film according to claim 5, wherein the polymer antireflection film (3) is provided with bumps (5) on the surface thereof, the bumps are distributed in a matrix, the impact-resistant film (4) is correspondingly provided with grooves (6) on the surface thereof, the bumps (5) are snapped into the corresponding grooves (6).
7. The OCA optical film of claim 6, wherein the size of the bump (5) is 1mm to 4mm, and the size of the groove (6) is 1.2mm to 4.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120433562.0U CN216033023U (en) | 2021-02-26 | 2021-02-26 | OCA optical film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120433562.0U CN216033023U (en) | 2021-02-26 | 2021-02-26 | OCA optical film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216033023U true CN216033023U (en) | 2022-03-15 |
Family
ID=80534219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120433562.0U Active CN216033023U (en) | 2021-02-26 | 2021-02-26 | OCA optical film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216033023U (en) |
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2021
- 2021-02-26 CN CN202120433562.0U patent/CN216033023U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528478 1 / 10 Lefeng 6th Road, Maohui Industrial Zone, Henglan Town, Zhongshan City, Guangdong Province Patentee after: Crown New Materials Technology Co.,Ltd. Address before: 528478 1 / 10 Lefeng 6th Road, Maohui Industrial Zone, Henglan Town, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN CROWN ADHESIVE PRODUCTS Co.,Ltd. |