IP Library Granted Patent US 7,911,566
Granted Patent B2
US 7,911,566 · App. 12/076,262 · Granted Mar 22, 2011

Color filters of liquid crystal display and method for fabricating the same

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Quick Facts
Patent No.
US 7,911,566
App. No.
12/076,262
Granted
Mar 22, 2011
Kind
B2
Abstract

A liquid crystal display includes: a color filter substrate; and a plurality of pixels formed in a matrix form on the color filter substrate, each pixel including a first red sub-pixel, a first green sub-pixel, a first blue sub-pixel, a pair of second red sub-pixel and third green sub-pixel, a pair of second green sub-pixel and third blue sub-pixel, and a pair of second blue sub-pixel and third red sub-pixel.

Claims (34)

1. A liquid crystal display device, comprising:

a color filter substrate; and

a plurality of pixels formed in a matrix form on the color filter substrate, each pixel including a first red sub-pixel, a first green sub-pixel, a first blue sub-pixel, a pair of second red sub-pixel and third green sub-pixel, a pair of second green sub-pixel and third blue sub-pixel, and a pair of second blue sub-pixel and third red sub-pixel, wherein the first red sub-pixel, the first green sub-pixel and the first blue sub-pixel, the pair of second red sub-pixel and third green sub-pixel, the pair of second green sub-pixel and third blue sub-pixel, and the pair of second blue sub-pixel and third red sub-pixel are disposed in different column respectively.

2. The device of claim 1 , wherein the pair of second red sub-pixel and third green sub-pixel, the pair of second green sub-pixel and third blue sub-pixel, and the pair of second blue sub-pixel and third red sub-pixel are disposed in the in the same column respectively.

3. The device of claim 1 , wherein the pair of second red sub-pixel and third green sub-pixel implement yellow (Y) color, the pair of second green sub-pixel and third blue sub-pixel implement cyan (C) color, and the pair of second blue sub-pixel and third red sub-pixel implement magenta (M) color.

4. A liquid crystal display device comprising:

a thin film transistor (TFT) array substrate;

a color filter substrate attached to the TFT array substrate;

a plurality of pixels formed in a matrix form on the color filter substrate, each pixel including a first red sub-pixel, a first green sub-pixel, a first blue sub-pixel, a pair of second red sub-pixel and third green sub-pixel, a pair of second green sub-pixel and third blue sub-pixel, and a pair of second blue sub-pixel and third red sub-pixel, wherein the first red sub-pixel, the first green sub-pixel, the first blue sub-pixel, the pair of second red sub-pixel and third green sub-pixel, the pair of second green sub-pixel and third blue sub-pixel, and the pair of second blue sub-pixel and third red sub-pixel are disposed in different column, respectively; and

a liquid crystal layer formed between the TFT array substrate and the color filter substrate.

5. The device of claim 4 , wherein the pair of second red sub-pixel and third green sub-pixel, the pair of second green sub-pixel and third blue sub-pixel, and the pair of second blue sub-pixel and third red sub-pixel are disposed in the in the same column respectively.

6. The color filters of claim 4 , wherein the pair of second red sub-pixel and third green sub-pixel implement yellow (Y) color, the pair of second green sub-pixel and third blue sub-pixel implement cyan (C) color, and the pair of second blue sub-pixel and third red sub-pixel implement magenta (M) color.

7. A method for fabricating color filters of a liquid crystal display, comprising:

providing a color filter substrate; and

forming a plurality of pixels on the color filter substrate,

wherein the forming of the plurality of pixels comprises:

forming first to third red sub-pixels on the color filter substrate;

forming first to third green sub-pixels on other portions of the color filter substrate than the area where the first to third red sub-pixels have been formed; and

forming first to third blue sub-pixels on other portions of the color filter substrate than the area where the first to third green sub-pixels and the first to third red sub-pixels have been formed.

8. The method of claim 7 , wherein the first red sub-pixel, the first green sub-pixel and the first blue sub-pixel are disposed in different columns.

9. The method of claim 7 , wherein the pair of second red sub-pixel and third green sub-pixel, the pair of second green sub-pixel and third blue sub-pixel, and the pair of second blue sub-pixel and third red sub-pixel are disposed in different columns.

10. The method of claim 9 , wherein the pair of second red sub-pixel and third green sub-pixel, the pair of second green sub-pixel and third blue sub-pixel, and the pair of second blue sub-pixel and third red sub-pixel are disposed in the in the same column respectively.

11. The method of claim 7 , wherein the pair of second red sub-pixel and third green sub-pixel implement yellow (Y) color, the pair of second green sub-pixel and third blue sub-pixel implement cyan (C) color, and the pair of second blue sub-pixel and third red sub-pixel implement magenta (M) color.

12. A method for fabricating color filters of a liquid crystal display, comprising:

providing a color filter substrate; and

forming a plurality of pixels on the color filter substrate,

wherein the forming of the plurality of pixels comprises:

forming first to third red color resin layer patterns on the color filter substrate;

forming first to third green sub-pixels on other portions of the color filter substrate than the area where the first to third red color resin layer patterns have been formed; and

forming first to third blue color resin layer patterns on other portions of the color filter substrate than the area where the first to third green color resin layer patterns and the first to third red color resin layer patterns have been formed.

13. The method of claim 12 , wherein the first red color resin layer pattern, the first green color resin layer pattern and the first blue color resin layer pattern are disposed in different columns.

14. The method of claim 12 , wherein the pair of second red color resin layer pattern and third green color resin layer pattern, the pair of second green color resin layer pattern and third blue color resin layer pattern, and the pair of second blue color resin layer pattern and third red color resin layer pattern are disposed in different columns.

15. The method of claim 14 , wherein the pair of second red color resin layer pattern and third green color resin layer pattern, the pair of second green color resin layer pattern and third blue color resin layer pattern, and the pair of second blue color resin layer pattern and third red color resin layer pattern are disposed in the in the same column respectively.

16. The color filters of claim 1 , wherein the pair of second red color resin layer pattern and third green color resin layer pattern implement yellow (Y) color, the pair of second green color resin layer pattern and third blue color resin layer pattern implement cyan (C) color, and the pair of second blue color resin layer pattern and third red color resin layer pattern implement magenta (M) color.

Assignments (3)
CHANGE OF NAME Recorded Nov 23, 2010
From: LG.PHILIPS LCD CO., LTD.
To: LG DISPLAY CO., LTD.
Reel/Frame 025412/0304 →
CHANGE OF NAME Recorded Oct 17, 2008
From: LG.PHILIPS LCD CO., LTD.
To: LG DISPLAY CO., LTD.
Reel/Frame 021754/0045 →
ASSIGNMENT CORRECTION ID NO 700375839 Recorded Jul 1, 2008
From: PARK, CHOON-HO; LEE, JUNG-JAE
To: LG.PHILIPS LCD CO., LTD.
Reel/Frame 021181/0920 →