Liquid crystal display

Patent metadata

Field	Value
Publication number	US-9910324-B2
Application number	US-201615393776-A
Country	US
Kind code	B2
Filing date	Dec 29, 2016
Priority date	Oct 1, 1999
Publication date	Mar 6, 2018
Grant date	Mar 6, 2018

Abstract

A liquid crystal display includes a first insulating substrate. A pixel electrode is formed on a top surface of the first insulating substrate. The pixel electrode has a first opening pattern at each pixel area. The pixel electrode is substantially rectangular in shape with first and second long sides, and first and second short sides. The pixel electrode is divided into an upper region defined by the first and second long sides and first short side, and a lower region defined by the first and second long sides and second short side. A common electrode is formed on a bottom surface of a second insulating substrate, and has a second opening pattern at each pixel area. The first and second opening patterns each have a plurality of openings, the openings of the first opening pattern and the second opening pattern being alternately arranged parallel to each other.

First claim

What is claimed is:

1. A liquid crystal display, comprising:
a first substrate and a second substrate facing each other;
a liquid crystal layer including liquid crystal molecules between the first and second substrates,
a first electrode disposed between the first substrate and the liquid crystal layer;
a second electrode disposed between the second substrate and the liquid crystal layer; and
wherein;
the first electrode includes a first domain defining member and the second electrode includes a second domain defining member,
the second domain defining member includes a first opening pattern extending in a first direction, a second opening pattern extending in a second direction different from the first direction, and a third opening pattern having a side oblique to the first direction and the second direction.

2. The liquid crystal display of claim 1 , wherein the first opening pattern is connected to the second opening pattern, and the third opening pattern is connected to the second opening pattern.

3. The liquid crystal display of claim 2 , wherein the side is at a slant with respect to long or short sides of the first electrode.

4. The liquid crystal display of claim 3 , wherein the first opening pattern substantially parallels a first edge of the first electrode.

5. The liquid crystal display of claim 4 , wherein the third opening pattern is extended over the first edge of the first electrode.

6. The liquid crystal display of claim 5 , wherein the first domain defining member and the second domain defining member are disposed in a pixel area and are separated from domain defining members formed in an adjacent pixel area.

7. The liquid crystal display of claim 6 , wherein the liquid crystal molecules are aligned vertically to surfaces of the first substrate and the second substrate when no electric field is generated in the liquid crystal layer, and
the third opening pattern is extended from the first opening pattern or the second opening pattern.

8. The liquid crystal display of claim 1 , wherein the side is at a slant with respect to long or short sides of the first electrode.

9. The liquid crystal display of claim 8 , wherein the first opening pattern substantially parallels a first edge of the first electrode.

10. The liquid crystal display of claim 9 , wherein the third opening pattern is extended over the first edge of the first electrode.

11. The liquid crystal display of claim 1 , wherein the first opening pattern substantially parallels a first edge of the first electrode.

12. The liquid crystal display of claim 11 , wherein the third opening pattern is extended over the first edge of the first electrode.

13. The liquid crystal display of claim 1 , wherein the first domain defining member and the second domain defining member are disposed in a pixel area and are separated from domain defining members formed in an adjacent pixel area.

14. The liquid crystal display of claim 1 , wherein the liquid crystal molecules are aligned vertically to surfaces of the first substrate and the second substrate when no electric field is generated in the liquid crystal layer, and
the third opening pattern is extended from the first opening pattern or the second opening pattern.

Assignees

• Samsung Display Co Ltd

Inventors

• Song Jang Kun
• Ryu Jae Jin

Classifications

• G02F2001/134318

  Physics · mapped topic

• G02F1/134336

  Matrix · CPC title

• G02F1/134309 Primary

  characterised by their geometrical arrangement · CPC title

• G02F2001/133742

  Physics · mapped topic

• G02F2001/134372

  Physics · mapped topic