Multi-color liquid crystal display

• US 8,934,072 B2
• Filed: 05/24/2013
• Issued: 01/13/2015
• Est. Priority Date: 12/15/2003
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Group)
• Original Assignee: Genoa Color Technologies Limited
• Inventors: Roth, Shmuel, Ben-Chorin, Moshe, Malka, Doron, Eliav, Dan
• Primary Examiner(s): NGUYEN, THANH NHAN P
• Application Number:
  US13/902,438
• Publication Number:
  US 20130258260A1
• Time in Patent Office: 599 Days
• Field of Search: None
• US Class Current: 349/109
• CPC Class Codes: G02F 1/136286 Wiring, e.g. gate line, drain line
• CPC Class Codes: G02F 2201/52 RGB geometrical arrangements
• CPC Class Codes: G09G 2300/0452 Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
• CPC Class Codes: G09G 2300/0465 Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness
• CPC Class Codes: G09G 2340/0407 Resolution change, inclusive of the use of different resolutions for different screen areas
• CPC Class Codes: G09G 2340/0457 Improvement of perceived resolution by subpixel rendering
• CPC Class Codes: G09G 3/2003 Display of colours specific for liquid crystal displays G09G3/3607
• CPC Class Codes: G09G 3/3607 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels display of colours in flat matrix panels other than liquid crystal displays G09G3/2003; grey scales specific for television H04N3/127
• CPC Class Codes: G09G 3/3611 Control of matrices with row and column drivers

Abstract

A display and methods of driving the display, where the display includes a plurality of pixels, where some colors are present in every pixel, and some colors are only present in less than all of the pixels.

Claims

1. A display device comprising a plurality of pixels, wherein at least some of said pixels comprise a red sub-pixel, a green sub-pixel, a blue sub-pixel, a yellow sub-pixel and a cyan sub-pixel, wherein an area of the blue sub-pixel is greater than an area of the yellow sub-pixel and an area of the cyan sub-pixel is greater than the area of the yellow sub-pixel.

2. The display device according to claim 1, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

3. The display device according to claim 1, wherein the area of the blue sub-pixel is greater than an area of the green sub-pixel and the area of the cyan sub-pixel is greater than the area of the green sub-pixel.

4. The display device according to claim 3, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

5. The display device according to claim 3, wherein the area of the yellow sub-pixel is substantially the same as the area of the green sub-pixel.

6. The display device according to claim 5, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

7. A display device comprising a plurality of pixels, wherein at least some of said pixels comprise a red sub-pixel, a green sub-pixel, a blue sub-pixel, a yellow sub-pixel and a cyan sub-pixel, wherein an area of the blue sub-pixel is greater than an area of the green sub-pixel and an area of the cyan sub-pixel is greater than the area of the green sub-pixel.

8. The display device according to claim 7, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

9. The display device according to claim 7, wherein the area of the blue sub-pixel is greater than an area of the red sub-pixel and the area of the cyan sub-pixel is greater than the area of the red sub-pixel.

10. The display device according to claim 9, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

11. The display device according to claim 9, wherein the area of the red sub-pixel is substantially the same as the area of the green sub-pixel.

12. The display device according to claim 11, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

13. A display device comprising a plurality of pixels, wherein at least some of said pixels comprise a red sub-pixel, a green sub-pixel, a blue sub-pixel, a yellow sub-pixel and a cyan sub-pixel, wherein an area of the blue sub-pixel is greater than an area of the red sub-pixel and an area of the cyan sub-pixel is greater than the area of the red sub-pixel.

14. The display device according to claim 13, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

15. The display device according to claim 13, wherein the area of the blue sub-pixel is greater than an area of the yellow sub-pixel and the area of the cyan sub-pixel is greater than the area of the yellow sub-pixel.

16. The display device according to claim 15, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

17. The display device according to claim 15, wherein the area of the yellow sub-pixel is substantially the same as the area of the red sub-pixel.

18. The display device according to claim 17, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

19. The display device according to claim 15, wherein the area of the blue sub-pixel is greater than an area of the green sub-pixel and the area of the cyan sub-pixel is greater than the area of the green sub-pixel.

20. The display device according to claim 19, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.

21. The display device according to claim 19, wherein the area of the yellow sub-pixel is substantially the same as at least one of the area of the red sub-pixel and the area of the green sub-pixel.

22. The display device according to claim 21, wherein the area of the blue sub-pixel is substantially the same as the area of the cyan sub-pixel.