Liquid-crystal display panel and device

Patent metadata

Field	Value
Publication number	US-2017146870-A1
Application number	US-201514650643-A
Country	US
Kind code	A1
Filing date	Apr 28, 2015
Priority date	Apr 27, 2015
Publication date	May 25, 2017
Grant date	—

Abstract

A liquid-crystal display panel and device are provided. The display panel includes: a first substrate including a first common electrode; a second substrate disposed opposite to the first substrate, including a second common electrode and a pixel electrode; and a liquid-crystal layer disposed between the first substrate and the second substrate. A projection of the pixel electrode on the first substrate does not overlap with a pattern of the first common electrode on the first substrate.

First claim

What is claimed is:

1 . A liquid-crystal display panel, comprising:
a first substrate comprising a first common electrode and a planarization layer; a second substrate disposed opposite to the first substrate, comprising a second common electrode and a pixel electrode; and a liquid-crystal layer disposed between the first substrate and the second substrate; wherein a projection of the pixel electrode on the first substrate does not overlap with a pattern of the first common electrode on the first substrate;
the pixel electrode is spiral.

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

3 . The liquid-crystal display panel according to claim 1 , wherein there is a first polarizer disposed on an outside of the first substrate.

4 . The liquid-crystal display panel according to claim 1 , wherein there is a second polarizer disposed on an outside of the second substrate.

5 . A liquid-crystal display device, comprising:
a backlight module and a liquid-crystal display panel; wherein the liquid-crystal display panel comprises: a first substrate comprising a first common electrode; a second substrate disposed opposite to the first substrate, comprising a second common electrode and a pixel electrode; and a liquid-crystal layer disposed between the first substrate and the second substrate; wherein a projection of the pixel electrode on the first substrate does not overlap with a pattern of the first common electrode on the first substrate.

6 . The liquid-crystal display device according to claim 5 , wherein the pixel electrode is spiral.

7 . The liquid-crystal display device according to claim 5 , wherein the pixel electrode comprises a common portion and a plurality of branch portions, and one end of each branch portion is coupled to the common portion.

8 . The liquid-crystal display device according to claim 7 , wherein an angle defined between an extended line of the common portion and an extended line of the branch portion is larger than 0 degrees and less than 90 degrees.

9 . The liquid-crystal display panel according to claim 5 , wherein the pixel electrode comprises a common portion and a plurality of branch portions, the common portion comprising a first common portion and a second common portion corresponding to each other, the branch portions located between the first common portion and the second common portion, the branch portions comprising a first branch portion and a second branch portion, one end of the first branch portion coupled to the first common portion, the other end of the first branch portion coupled to one end of the second branch portion, the other end of the second branch portion coupled to the second common portion.

10 . The liquid-crystal display device according to claim 9 , wherein an angle defined between an extended line of the first common portion and an extended line of the first branch portion is larger than 0 degrees and less than 90 degrees;
an angle defined between an extended line of the second common portion and an extended line of the second branch portion is larger than 0 degrees and less than 90 degrees.

11 . The liquid-crystal display device according to claim 9 , wherein an angle defined between an extended line of the first branch portion and an extended line of the second branch portion is larger than 0 degrees and less than 90 degrees.

12 . The liquid-crystal display device according to claim 5 , wherein the pixel electrode comprises a common portion and a plurality of branch portions, the common portion comprising a first common portion and a second common portion corresponding to each other, the branch portions located between the first common portion and the second common portion, the branch portions comprising a first branch portion, a second branch portion, a third brand portion, and a fourth branch portion, one end of the first branch portion coupled to the first common portion, the other end of the first branch portion coupled to one end of the second branch portion, the other end of the second branch portion coupled to one end of the third branch portion, the other end of the third branch portion coupled to one end of the fourth branch portion, the other end of the fourth branch portion coupled to the second common portion.

13 . The liquid-crystal display device according to claim 12 , wherein an angle defined between an extended line of the first common portion and an extended line of the first branch portion is larger than 0 degrees and less than 90 degrees;
an angle defined between an extended line of the second common portion and an extended line of the fourth branch portion is larger than 0 degrees and less than 90 degrees.

14 . The liquid-crystal display device according to claim 5 , wherein the first substrate is a color filter (CF) substrate, and the second substrate is an array substrate.

15 . The liquid-crystal display device according to claim 5 , wherein there is a first polarizer disposed on an outside of the first substrate.

16 . The liquid-crystal display device according to claim 5 , wherein there is a second polarizer disposed on an outside of the second substrate.

Assignees

• Shenzhen China Star Optoelect
• Wuhan China Star Optoelectronics Technology Co Ltd
• Shenzhen China Star Optoelectronics Tech

Inventors

• Xie Chang

Classifications

• G02F1/133514

  Colour filters · CPC title

• G02F2201/123

  pixel · CPC title

• G02F1/134363 Primary

  for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS] · CPC title

• G02F1/133528

  Polarisers · CPC title

• G02F2001/133357

  Physics · mapped topic