Liquid crystal panel and method for manufacturing the same

Patent metadata

Field	Value
Publication number	US-9939685-B2
Application number	US-201615233234-A
Country	US
Kind code	B2
Filing date	Aug 10, 2016
Priority date	Jan 15, 2016
Publication date	Apr 10, 2018
Grant date	Apr 10, 2018

Abstract

The present disclosure provides a liquid crystal panel and a method for manufacturing a liquid crystal panel. The liquid crystal panel includes a first substrate, a second substrate arranged opposite to the first substrate, and a sealing frame disposed between the first substrate and the second substrate. The liquid crystal panel further includes a first electrode, a second electrode and a plurality of filling patterns filled in the sealing frame. The filling pattern is made of a piezoelectric material, and a size of the filling pattern is capable to be changed after the first electrode and the second electrode are applied with a voltage to generate an electric field, so as to adjust a height of the liquid crystal panel in a peripheral area thereof.

First claim

What is claimed is:

1. A liquid crystal panel, comprising a first substrate, a second substrate arranged opposite to the first substrate, and a sealing frame disposed between the first substrate and the second substrate,
wherein the liquid crystal panel further comprises a first electrode, a second electrode and a plurality of filling patterns filled in the sealing frame,
the filling pattern is made of a piezoelectric material, and a size of the filling pattern is capable to be changed after the first electrode and the second electrode are applied with a voltage to generate an electric field, so as to adjust a height of the liquid crystal panel in a peripheral area thereof.

2. The liquid crystal panel according to claim 1 , wherein one of the first electrode and the second electrode is disposed between the sealing frame and the first substrate, and the other of the first electrode and the second electrode is disposed between the sealing frame and the second substrate.

3. The liquid crystal panel according to claim 1 , wherein both the first electrode and the second electrode are disposed between the first or second substrate and the sealing frame, and the first electrode and the second electrode are arranged alternately in a same one layer.

4. The liquid crystal panel according to claim 1 , wherein both the first electrode and the second electrode are disposed between the first or second substrate and the sealing frame, and an insulation layer is provided between the second electrode and the first electrode, wherein the first electrode is a plate-shaped electrode and the second electrode is composed of a plurality of strip-shaped electrodes.

5. The liquid crystal panel according to claim 1 , wherein the sealing frame comprises a seal glue, in which the filling pattern is filled.

6. The liquid crystal panel according to claim 1 , wherein the sealing frame comprises an elastic cushion and a seal glue bonded with the elastic cushion, and the filling pattern is filled in the elastic cushion.

7. The liquid crystal panel according to claim 1 , wherein the piezoelectric material is any one chosen from a piezoelectric crystal, a piezoelectric ceramic, a piezoelectric polymer and a piezoelectric ceramic-polymer composite material.

8. The liquid crystal panel according to claim 1 , wherein the filling pattern has any shape chosen from a sphere, a cylinder, a cuboid and a circular truncated cone.

9. The liquid crystal panel according to claim 1 , wherein the first substrate is a color filter substrate and the second substrate is an array substrate, or the first substrate is an array substrate and the second substrate is a color filter substrate.

10. A method for manufacturing a liquid crystal panel, the liquid crystal panel comprising a first substrate, a second substrate arranged opposite to the first substrate, and a sealing frame disposed between the first substrate and the second substrate, wherein the method comprises:
forming a first electrode, a second electrode and a sealing frame between the first substrate and the second substrate, wherein the sealing frame is filled with a filling pattern, and the filling pattern is made of a piezoelectric material, and a size of the filling pattern is capable to be changed after the first electrode and the second electrode are applied with a voltage to generate an electric field, so as to adjust a height of the liquid crystal panel in a peripheral area thereof.

11. The method according to claim 10 , wherein the step of forming the first electrode and the second electrode between the first substrate and the second substrate comprises:
forming a pattern comprising one of the first electrode and the second electrode on the first substrate by a patterning process; and
forming a pattern comprising the other of the first electrode and the second electrode on the second substrate by a patterning process.

12. The method according to claim 10 , wherein the step of forming the first electrode and the second electrode between the first substrate and the second substrate comprises:
forming a pattern comprising the first electrode and the second electrode on the first or second substrate by single patterning process, wherein the first electrode and the second electrode are composed of strip-shaped electrodes arranged alternately in a same one layer.

13. The method according to claim 10 , wherein the step of forming the first electrode and the second electrode between the first substrate and the second substrate comprises steps of:
forming a pattern comprising one of the first electrode and the second electrode on the first substrate by a patterning process;
forming an inter-layer insulation layer; and
forming a pattern comprising the other of the first electrode and the second electrode by a patterning process, wherein the first electrode is composed of strip-shaped electrodes and the second electrode is a plate-shaped electrode.

14. The method according to claim 10 , wherein the sealing frame comprises a seal glue, in which the filling pattern is filled, and the step of forming the sealing frame comprises:
producing the filling pattern by a solid phase method or a liquid phase method; and
placing the filling pattern in a material of a seal glue, coating them to the first substrate or the second substrate after being uniformly stirred, assembling the second substrate to the first substrate, and forming the sealing frame via thermal curing or ultraviolet light curing.

15. The method according to claim 10 , wherein the sealing frame comprises an elastic cushion and a seal glue bonded with the elastic cushion, and the filling pattern is filled in the elastic cushion, wherein the step of forming the sealing frame comprises:
producing the filling pattern by a solid phase method or a liquid phase method;
mixing the filling pattern in a material of the elastic cushion, coating the elastic cushion mixed with the filling pattern to the first substrate or the second substrate, and forming a pattern comprising the elastic cushion by a patterning process; and
coating the seal glue so that the seal glue and the elastic cushion are bonded to each other to form the sealing frame.

16. The method according to claim 14 , wherein the solid phase method is any one chosen from a phase method, a microwave radiation method, a mechanochemical method and a reaction sintering method; and the liquid phase method is any one chosen from a sol-gel method, a hydrothermal method and a precipitation method.

17. The method according to claim 15 , wherein the solid phase method is any one chosen from a phase method, a microwave radiation method, a mechanochemical method and a reaction sintering method; and the liquid phase method is any one chosen from a sol-gel method, a hydrothermal method and a precipitation method.

18. The method according to claim 10 , wherein the piezoelectric material is any one chosen from a piezoelectric crystal, a piezoelectric ceramic, a piezoelectric polymer and a piezoelectric ceramic-polymer composite material.

19. The method according to claim 10 , wherein the filling pattern has any shape chosen from a sphere, a cylinder, a cuboid and a circular truncated cone.

20. The method according to claim 10 , wherein the first substrate is a color filter substrate and the second substrate is an array substrate; or the first substrate is an array substrate and the second substrate is a color filter substrate.

Assignees

• Boe Technology Group Co Ltd
• Hefei Xinsheng Optoelectronics Technology Co Ltd

Inventors

• Xie Xiaolong
• Guo Xiao
• Lv Kui
• Li Qun
• Xiang Kang
• Lv Fengzhen

Classifications

• G02F2001/133394

  Physics · mapped topic

• G02F1/133345

  Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence) · CPC title

• G02F1/13439

  characterised by their electrical, optical, physical properties; materials therefor; method of making · CPC title

• G02F2202/28

  Adhesive materials or arrangements · CPC title

• G02F1/1339 Primary

  Gaskets; Spacers; Sealing of cells · CPC title