CN212781318U - Polaroid, display panel and electronic equipment - Google Patents
Polaroid, display panel and electronic equipment Download PDFInfo
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- CN212781318U CN212781318U CN202021954242.1U CN202021954242U CN212781318U CN 212781318 U CN212781318 U CN 212781318U CN 202021954242 U CN202021954242 U CN 202021954242U CN 212781318 U CN212781318 U CN 212781318U
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- oca optical
- polyvinyl alcohol
- adhesive layer
- optical adhesive
- oca
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Abstract
The utility model discloses a polaroid, display panel and electronic equipment, wherein, the polaroid includes the polyvinyl alcohol membrane, and first OCA optics glue film and second OCA optics glue film are pasted respectively to the both sides of polyvinyl alcohol membrane; first OCA optics glue film is connected at the edge of polyvinyl alcohol membrane with second OCA optics glue film. The utility model discloses cover first OCA optical cement layer and second OCA optical cement layer respectively in the both sides of polyvinyl alcohol membrane, wrap up the polyvinyl alcohol membrane in first OCA optical cement layer and second OCA optical cement layer, avoided the polyvinyl alcohol membrane to lose the polarisation performance because of the water absorption fades, because OCA optical cement itself has high light transmissivity, high adhesion, high water-fast high temperature resistance weatherability, the solidification is received characteristics such as reducing, the holistic physics of polaroid and chemical stability have been improved.
Description
Technical Field
The utility model relates to an electronic equipment technical field especially relates to a polaroid, display panel and electronic equipment.
Background
The full name of polaroid is the polarizing piece, LCD's formation of image must rely on polarized light, all liquid crystals all have two front and back polarizing pieces to hug closely at liquid crystal glass, constitute the liquid crystal display about total thickness 1mm, the polaroid divide into iodine system polaroid and dyestuff system polaroid, wherein, the structure of current iodine system polaroid covers TAC (cellulose triacetate) membrane on the protection film in proper order, PVA (polyvinyl alcohol) membrane, TAC (cellulose triacetate) membrane, pressure sensitive adhesive layer and from the type membrane, the PVA membrane that receives upper and lower both sides TAC membrane protection directly exposes in the air because of the membrane edge, the PVA membrane belongs to hydrophilic material, it fades and loses the performance to absorb water easily, make iodine system polaroid have the poor problem of high temperature and high humidity resistance polarizing.
In view of the above, there is a need for an improvement on the conventional polarizer to enhance the high temperature and high humidity resistance of the iodine-based polarizer.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a polaroid, display panel and electronic equipment for among the solution prior art, iodine is the poor problem of high temperature and high humidity resistance of polaroid.
In order to solve the above problem, the utility model adopts the following technical scheme:
providing a polarizer comprising a polyvinyl alcohol film;
a first OCA optical adhesive layer and a second OCA optical adhesive layer are respectively adhered to two sides of the polyvinyl alcohol film;
the first OCA optical adhesive layer is connected with the second OCA optical adhesive layer at the edge of the polyvinyl alcohol film.
In the above scheme, the areas of the first OCA optical adhesive layer and the second OCA optical adhesive layer are larger than the area of the polyvinyl alcohol film.
In the above scheme, the polyvinyl alcohol film is completely wrapped by the first OCA optical adhesive layer and the second OCA optical adhesive layer.
In the above scheme, the first OCA optical adhesive layer is covered with a light release film, and the second OCA optical adhesive layer is covered with a heavy release film.
In the above scheme, the first OCA optical adhesive layer is covered with a heavy release film, and the second OCA optical adhesive layer is covered with a light release film.
In the scheme, the thickness of the polyvinyl alcohol film is 20-30 mu m.
In the scheme, the thickness of the first OCA optical adhesive layer and the thickness of the second OCA optical adhesive layer are 80-120 micrometers.
In the scheme, the width of the first OCA optical adhesive layer and the second OCA optical adhesive layer around the polyvinyl alcohol film is not more than 60 μm.
The utility model also provides a display panel, including any one of the above-mentioned scheme the polaroid.
The utility model also provides an electronic equipment, display panel including among the above-mentioned scheme.
The utility model discloses a technical scheme can reach following beneficial effect:
paste first OCA optical adhesive layer and second OCA optical adhesive layer respectively in the both sides of polyvinyl alcohol membrane, wrap up the polyvinyl alcohol membrane in first OCA optical adhesive layer and second OCA optical adhesive layer, avoided the polyvinyl alcohol membrane to lose the polarization performance because of absorbing water and fading, because OCA optical adhesive itself has high light transmissivity, high adhesion, high water-fast high temperature resistant weatherability, characteristics such as solidification shrinkage is reduced have improved the holistic physical and chemical stability of polaroid.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below to form a part of the present invention, and the exemplary embodiments and the description thereof of the present invention explain the present invention and do not form an improper limitation to the present invention. In the drawings:
fig. 1 is a schematic view of an overall structure of a polarizer disclosed in embodiment 1 of the present invention;
fig. 2 is a schematic view of the polyvinyl alcohol film and the OCA optical adhesive layer disclosed in embodiment 1 of the present invention.
The following reference signs are specifically included:
polyvinyl alcohol film-10; a first OCA optical cement layer-20; heavy release film-30; light release film-40; second OCA optical cement layer-21.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and fig. 2, the present invention provides a polarizer, including: a polyvinyl alcohol film 10. A first OCA optical adhesive layer 20 and a second OCA optical adhesive layer 21 are respectively adhered to two sides of the polyvinyl alcohol film 10; the first OCA optical adhesive layer 20 and the second OCA optical adhesive layer 21 are connected at the edge of the polyvinyl alcohol film 10. Paste first OCA optical adhesive layer 20 and second OCA optical adhesive layer 21 respectively in polyvinyl alcohol membrane 10's both sides, wrap up polyvinyl alcohol membrane 10 in first OCA optical adhesive layer 20 and second OCA optical adhesive layer 21, avoided polyvinyl alcohol membrane 10 to lose the polarisation performance because of absorbing water and fading, because OCA optical adhesive itself has high light transmissivity, high adhesion, high water-fast high temperature resistant weatherability, characteristics such as solidification shrinkage is reduced have improved the holistic physics of polaroid and chemical stability.
The area of first OCA optics glue film 20 and second OCA optics glue film 21 is greater than the area of polyvinyl alcohol membrane 10, and first OCA optics glue film 20 is connected at the edge of polyvinyl alcohol membrane 10 with second OCA optics glue film 21. The polyvinyl alcohol film 10 is completely wrapped by the first OCA optical adhesive layer 20 and the second OCA optical adhesive layer 21, and air contact is avoided.
Specifically, a second OCA optical adhesive layer 21 is covered on the heavy release film 30, and a polyvinyl alcohol film 10 is covered on the second optical adhesive layer 21; in addition, the light release film 40 is covered with the first OCA optical adhesive layer 20, the first OCA optical adhesive layer 20 and the polyvinyl alcohol film 10 are oppositely attached, and the peripheries of the first OCA optical adhesive layer 20 and the second OCA optical adhesive layer 21 are pressed, wherein the positions of the first OCA optical adhesive layer 20 and the second OCA optical adhesive layer 21 can be interchanged.
In the present embodiment, the thickness of the polyvinyl alcohol film 10 is preferably 20 to 30 μm.
In the embodiment, the thicknesses of the first OCA optical adhesive layer 20 and the second OCA optical adhesive layer 21 are preferably 80 to 120 μm.
In this embodiment, the widths of the first OCA optical adhesive layer 20 and the second OCA optical adhesive layer 21 around the polyvinyl alcohol film 10 are preferably not more than 60 μm. Namely, the polyvinyl alcohol film 10 is not directly contacted with air, and the periphery of the polyvinyl alcohol film 10 is wrapped by too wide, so that the practicability of the polyvinyl alcohol film 10 is ensured.
Example 2
The utility model also provides a display panel, including the polaroid in embodiment 1.
Example 3
The utility model also provides an electronic equipment, including the display panel in embodiment 2.
The utility model discloses cover first OCA optical cement layer and second OCA optical cement layer respectively in the both sides of polyvinyl alcohol membrane, wrap up the polyvinyl alcohol membrane in first OCA optical cement layer and second OCA optical cement layer, avoided the polyvinyl alcohol membrane to lose the polarisation performance because of the water absorption fades, because OCA optical cement itself has high light transmissivity, high adhesion, high water-fast high temperature resistance weatherability, the solidification is received characteristics such as reducing, the holistic physics of polaroid and chemical stability have been improved.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (10)
1. A polarizer comprises a polyvinyl alcohol film, and is characterized in that,
a first OCA optical adhesive layer and a second OCA optical adhesive layer are respectively adhered to two sides of the polyvinyl alcohol film;
the first OCA optical adhesive layer is connected with the second OCA optical adhesive layer at the edge of the polyvinyl alcohol film.
2. The polarizer of claim 1, wherein the first OCA optical adhesive layer and the second OCA optical adhesive layer have an area larger than that of the polyvinyl alcohol film.
3. The polarizer of claim 1 wherein the polyvinyl alcohol film is completely wrapped by the first and second OCA optical adhesive layers.
4. The polarizer of claim 1, wherein the first OCA optical adhesive layer is covered with a light release film, and the second OCA optical adhesive layer is covered with a heavy release film.
5. The polarizer according to claim 1, wherein the first OCA optical adhesive layer is covered with a heavy release film, and the second OCA optical adhesive layer is covered with a light release film.
6. The polarizer according to claim 1, wherein the polyvinyl alcohol film has a thickness of 20 to 30 μm.
7. The polarizer of claim 1, wherein the first OCA optical adhesive layer and the second OCA optical adhesive layer have a thickness of 80 to 120 μm.
8. The polarizer according to claim 1, wherein the width of the first OCA optical adhesive layer and the second OCA optical adhesive layer around the polyvinyl alcohol film is not more than 60 μm.
9. A display panel comprising the polarizer according to any one of claims 1 to 8.
10. An electronic device characterized by comprising the display panel according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021954242.1U CN212781318U (en) | 2020-09-09 | 2020-09-09 | Polaroid, display panel and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021954242.1U CN212781318U (en) | 2020-09-09 | 2020-09-09 | Polaroid, display panel and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212781318U true CN212781318U (en) | 2021-03-23 |
Family
ID=75065120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021954242.1U Active CN212781318U (en) | 2020-09-09 | 2020-09-09 | Polaroid, display panel and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212781318U (en) |
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2020
- 2020-09-09 CN CN202021954242.1U patent/CN212781318U/en active Active
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