LIQUID CRYSTAL DISPLAY

• US 20080259260A1
• Filed: 06/25/2008
• Published: 10/23/2008
• Est. Priority Date: 03/30/2000
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: LEE, Chang-Hun, SONG, Jong-Kun, PARK, Seung-Beon
• Granted Patent: US 8,199,292 B2
• Time in Patent Office: Days
• US Class Current: 349/123
• CPC Class Codes: G02F 1/133707 Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
• CPC Class Codes: G02F 1/133761 with different pretilt angles
• CPC Class Codes: G02F 1/133776 having structures locally influencing the alignment, e.g. unevenness
• CPC Class Codes: G02F 1/134336 Matrix
• CPC Class Codes: G02F 1/1395 Optically compensated birefringence [OCB]- cells or PI- cells
• CPC Class Codes: G02F 2201/128 field shaping

Abstract

Disclosed is a liquid crystal display comprising a first substrate including wiring, which intersects to define unit pixels, and a first electrode formed in each unit pixel; a second substrate provided opposing the first substrate at a predetermined distance and including a second electrode formed over an entire surface of the second substrate, the second electrode generating an electric field with the first electrode; and a liquid crystal layer injected between the first substrate and the second substrate and including liquid crystal molecules that are horizontally oriented in one direction, the liquid crystal molecules, as a result of the electric field generated between the first and second substrates, having a symmetrically bent alignment about an imaginary center plane parallel to the first and second substrates at a center position therebetween, wherein the first electrode is protruded in a direction toward the second substrate at edges where orientation for the liquid crystal molecules starts.

Claims

1-17. -17. (canceled)

18. A liquid crystal display (LCD), comprising:

a first substrate;

a second substrate facing the first substrate;

a pixel region formed between the first substrate and the second substrate;

a liquid crystal layer disposed between the first substrate and the second substrate;

an alignment layer formed over at least one of the first substrate and the second substrate and applying an orientation force to the liquid crystal layer; and

a slant region formed on at least one of the first substrate and the second substrate near a first edge of the pixel region and influencing the liquid crystal layer to exhibit a stable bent alignment within the pixel region.

19. The LCD of claim 18, wherein a direction from the first edge to a second edge of the pixel region facing the first edge is substantially the same with a direction of the orientation force.

20. The LCD of claim 19, wherein the slant region is formed on the first substrate.

21. The LCD of claim 18, wherein a direction from the first edge to a second edge of the pixel region facing the first edge is substantially opposite to a direction of the orientation force.

22. The LCD of claim 21, wherein the slant region is formed on the second substrate.

23. The LCD of claim 18, wherein the slant region is formed by an insulating pattern formed on the first substrate or the second substrate.

24. The LCD of claim 23, wherein the insulating pattern has a slanted edge portion.

25. The LCD of claim 23, wherein the insulating pattern is formed of an organic insulating material.