US-12619112-B2 - Liquid crystal display panel and display device

Abstract

Provided is a liquid crystal display panel. The liquid crystal display panel includes a liquid crystal layer, two polarizing layers and two laminated viewing angle compensation films. The two polarizing layers are respectively disposed on two sides of the liquid crystal layer, and the two viewing angle compensation films are disposed between one of the polarizing layers and the liquid crystal layer.

Inventors

• Liqing YAO
• TAO FANG
• Hongyu Zhao

Assignees

• FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
• BOE TECHNOLOGY GROUP CO., LTD.

Dates

Publication Date

20260505

Application Date

20230427

Priority Date

20220428

Claims (20)

1. 1 . A liquid crystal display panel, comprising: a liquid crystal layer, two polarizing layers and two laminated viewing angle compensation films; wherein the two polarizing layers are respectively disposed on two sides of the liquid crystal layer, and the two viewing angle compensation films are disposed between one of the polarizing layers and the liquid crystal layer, wherein the two viewing angle compensation films comprise a +A compensation film and a +C compensation film laminated sequentially along a direction away from the liquid crystal layer, wherein the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface; an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the first polarizing layer.
2. 2 . The liquid crystal display panel according to claim 1 , comprising a liquid crystal cell, wherein the liquid crystal cell comprises two substrates and the liquid crystal layer, and the liquid crystal layer is disposed between the two substrates; at least one of the two viewing angle compensation films is disposed in a substrate of the two substrates that is close to the light exiting surface.
3. 3 . The liquid crystal display panel according to claim 1 , comprising a first polarizer, wherein the first polarizer comprises the first polarizing layer and the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the first polarizing layer close to the liquid crystal layer.
4. 4 . The liquid crystal display panel according to claim 1 , comprising a first polarizer, wherein the first polarizer comprises the first polarizing layer and one of the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the first polarizing layer close to the liquid crystal layer.
5. 5 . The liquid crystal display panel according to claim 1 , wherein the liquid crystal display panel consists of exactly two laminated viewing angle compensation films.
6. 6 . A liquid crystal display panel, comprising: a liquid crystal layer, two polarizing layers and two laminated viewing angle compensation films; wherein the two polarizing layers are respectively disposed on two sides of the liquid crystal layer, and the two viewing angle compensation films are disposed between one of the polarizing layers and the liquid crystal layer, wherein the two viewing angle compensation films comprise a-C compensation film and a +B compensation film laminated sequentially along a direction away from the liquid crystal layer.
7. 7 . The liquid crystal display panel according to claim 6 , wherein the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface; an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the first polarizing layer.
8. 8 . The liquid crystal display panel according to claim 7 , comprising a liquid crystal cell, wherein the liquid crystal cell comprises two substrates and the liquid crystal layer, and the liquid crystal layer is disposed between the two substrates; at least one of the two viewing angle compensation films is disposed in a substrate of the two substrates that is close to the light exiting surface.
9. 9 . The liquid crystal display panel according to claim 7 , comprising a first polarizer, wherein the first polarizer comprises the first polarizing layer and the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the first polarizing layer close to the liquid crystal layer.
10. 10 . The liquid crystal display panel according to claim 7 , comprising a first polarizer, wherein the first polarizer comprises the first polarizing layer and one of the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the first polarizing layer close to the liquid crystal layer.
11. 11 . The liquid crystal display panel according to claim 6 , wherein the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface; an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the second polarizing layer.
12. 12 . The liquid crystal display panel according to claim 11 , comprising a liquid crystal cell, wherein the liquid crystal cell comprises two substrates and the liquid crystal layer, and the liquid crystal layer is disposed between the two substrates; at least one of the two viewing angle compensation films is disposed in a substrate of the two substrates that is close to the back surface.
13. 13 . The liquid crystal display panel according to claim 11 , comprising a second polarizer, wherein the second polarizer comprises the second polarizing layer and at least one of the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the second polarizing layer close to the liquid crystal layer.
14. 14 . A liquid crystal display panel, comprising: a liquid crystal layer, two polarizing layers and two laminated viewing angle compensation films; wherein the two polarizing layers are respectively disposed on two sides of the liquid crystal layer, and the two viewing angle compensation films are disposed between one of the polarizing layers and the liquid crystal layer, wherein the two viewing angle compensation films comprise a +B compensation film and a-B compensation film laminated sequentially along a direction away from the liquid crystal layer, wherein the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface; an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the first polarizing layer, or the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface; an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the second polarizing layer.
15. 15 . The liquid crystal display panel according to claim 14 , in response to the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface, an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the first polarizing layer: the liquid crystal display panel comprising a liquid crystal cell, wherein the liquid crystal cell comprises two substrates and the liquid crystal layer, and the liquid crystal layer is disposed between the two substrates; at least one of the two viewing angle compensation films is disposed in a substrate of the two substrates that is close to the light exiting surface.
16. 16 . The liquid crystal display panel according to claim 14 , in response to the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface, an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the first polarizing layer: the liquid crystal display panel comprising a first polarizer, wherein the first polarizer comprises the first polarizing layer and the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the first polarizing layer close to the liquid crystal layer.
17. 17 . The liquid crystal display panel according to claim 14 , in response to the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface, an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the first polarizing layer: the liquid crystal display panel comprising a first polarizer, wherein the first polarizer comprises the first polarizing layer and one of the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the first polarizing layer close to the liquid crystal layer.
18. 18 . The liquid crystal display panel according to claim 14 , in response to the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface, an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the second polarizing layer: the liquid crystal display panel comprising a liquid crystal cell, wherein the liquid crystal cell comprises two substrates and the liquid crystal layer, and the liquid crystal layer is disposed between the two substrates; at least one of the two viewing angle compensation films is disposed in a substrate of the two substrates that is close to the back surface.
19. 19 . The liquid crystal display panel according to claim 14 , in response to the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface, an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer, and the two viewing angle compensation films are disposed between the liquid crystal layer and the second polarizing layer: the liquid crystal display panel comprising a second polarizer, wherein the second polarizer comprises the second polarizing layer and at least one of the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the second polarizing layer close to the liquid crystal layer.
20. 20 . The liquid crystal display panel according to claim 14 , wherein the liquid crystal display panel consists of exactly two laminated viewing angle compensation films.

Description

CORRS-REFERENCE TO RELATED APPLICATION The present disclosure a U.S. national stage of international application No. PCT/CN2023/091335, field on Apr. 27, 2023, which claims priority to Chinese Patent Application No. 202221037937.2, filed on Apr. 28, 2022 and entitled “LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY DEVICE”, the entire contents of which are herein incorporated by reference. TECHNICAL FIELD The present disclosure relates to the field of display technologies, and in particular, relates to a liquid crystal display panel and a display device. BACKGROUND A liquid crystal display panel is a display panel widely used at present, which has the advantages of high illumination, low power consumption, low cost, low manufacturing difficulty and the like. SUMMARY Embodiments of the present disclosure provide a display panel and a display device. The technical solutions are as follows. According to the embodiments of the present disclosure, a liquid crystal display panel is provided. The liquid crystal display panel includes: a liquid crystal layer, two polarizing layers and two laminated viewing angle compensation films: wherein the two polarizing layers are respectively disposed on two sides of the liquid crystal layer, and the two viewing angle compensation films are disposed between one of the polarizing layers and the liquid crystal layer. In some embodiments, the two viewing angle compensation films include a +A compensation film and a +C compensation film laminated sequentially along a direction away from the liquid crystal layer. In some embodiments, the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein the first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and the second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface: an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer of the two polarizing layers, and the two viewing angle compensation films are disposed between the liquid crystal layer and the first polarizing layer. In some embodiments, the liquid crystal display panel includes a liquid crystal cell, wherein the liquid crystal cell includes two substrates and the liquid crystal layer, and the liquid crystal layer is disposed between the two substrates: at least one of the two viewing angle compensation films is disposed in a substrate of the two substrates that is close to the light exiting surface. In some embodiments, the liquid crystal display panel includes a first polarizer, wherein the first polarizer includes the first polarizing layer and the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the first polarizing layer close to the liquid crystal layer. In some embodiments, the liquid crystal display panel includes a first polarizer, wherein the first polarizer includes the first polarizing layer and one of the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the first polarizing layer close to the liquid crystal layer. In some embodiments, the liquid crystal display panel has a light exiting surface and a back surface opposite to the light exiting surface, wherein a first polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the light exiting surface, and a second polarizing layer of the two polarizing layers is disposed on a side of the liquid crystal layer close to the back surface: an alignment direction of the liquid crystal layer is parallel to a light absorption axis of the second polarizing layer of the two polarizing layers, and the two viewing angle compensation films are disposed between the liquid crystal layer and the second polarizing layer. In some embodiments, the liquid crystal display panel includes a liquid crystal cell, wherein the liquid crystal cell includes two substrates and the liquid crystal layer, and the liquid crystal layer is disposed between the two substrates: at least one of the two viewing angle compensation films is disposed in a substrate of the two substrates that is close to the back surface. In some embodiments, the liquid crystal display panel includes a second polarizer, wherein the second polarizer includes the second polarizing layer and at least one of the two viewing angle compensation films, and the two viewing angle compensation films are disposed on a side of the second polarizing layer close to the liquid crystal laver. In some embodiments, the two viewing angle compensation films include a −C compensation film and a +B compensation film laminated sequentially along a direction away from the liquid crystal layer. In some embodiments, the two viewing angle compensation films includ