Color filter substrate, array substrate, liquid crystal panel and liquid crystal display device

Patent metadata

Field	Value
Publication number	US-9638951-B2
Application number	US-201214127393-A
Country	US
Kind code	B2
Filing date	Dec 3, 2012
Priority date	Jul 13, 2012
Publication date	May 2, 2017
Grant date	May 2, 2017

Abstract

A color filter substrate, an array substrate, a liquid crystal panel and a liquid crystal display device are disclosed. Said color filter substrate includes a plurality of pixel units, wherein said pixel unit comprises two diamond shaped sub-pixels and four isosceles triangle shaped sub-pixels, every two isosceles triangle shaped sub-pixels are arranged into a sub-pixel column with their vertex angles opposite to each other, and two sub-pixel columns are parallel to each other; said two diamond shaped sub-pixels and said two sub-pixel columns are disposed alternatively in horizontal direction; and colors of said diamond sub-pixels and the isosceles triangle shaped sub-pixels at least contains red, blue and green. The liquid crystal panel can enhance color reproducibility of the liquid crystal display panel and refinement degree of picture display and hence improving reality of picture display effect.

First claim

The invention claimed is:

1. A liquid crystal panel comprising a color filter substrate and an array substrate disposed oppositely thereto, wherein
the color filter substrate comprises a plurality of color filter pixel units, each of the color filter pixel units comprises six color filter sub-pixel units, the six color filter sub-pixel units being two diamond shaped color filter sub-pixel units and four isosceles triangle shaped color filter sub-pixel units and each of the six color filter sub-pixel units having a single color; every two isosceles triangle shaped color filter sub-pixel units are arranged into a sub-pixel column along a longitudinal direction with their vertex angles opposite to each other, and two sub-pixel columns are parallel to each other; the two diamond shaped color filter sub-pixel units and the two sub-pixel columns are disposed alternately in a horizontal direction; and colors of the diamond color filter sub-pixel units and the isosceles triangle shaped color filter sub-pixel units at least comprise red, blue and green,
the array substrate comprises a plurality of array pixel units, each of the array pixel units comprises six array sub-pixel units, each of the six array sub-pixel units having a single color, and the six array sub-pixel units being two diamond shaped array sub-pixel units and four isosceles triangle shaped array sub-pixel units and, which correspond to locations of the six color filter sub-pixel units of one color filter pixel unit in the color filter substrate and each of which comprises a thin film transistor and a pixel electrode,
each of the array pixel units is driven by a first gate line, a second gate line, and a first data line, a second data line, and a third data line, and each of the first, second, third data lines is electrically connected with two of the six array sub-pixel units, and each of the first and second gate lines is coupled with three of the six array sub-pixel units, wherein the first gate line is electrically connected with gates of thin film transistors of three of the six array sub-pixel units, the second gate line is electrically connected with gates of thin film transistors of other three of the six array sub-pixel units, the first data line is electrically connected with sources of two of the six array sub-pixel units, the second data line is electrically connected with sources of other two of the six array sub-pixel units, and the third data line is electrically connected with sources of remaining two of the six array sub-pixel units.

2. The liquid crystal panel of claim 1 , wherein the two diamond shaped color filter sub-pixel units are congruent with each other, and the four isosceles triangle shaped color filter sub-pixel units are congruent with each other.

3. The liquid crystal panel of claim 1 , wherein the diamond shaped color filter sub-pixel unit has one of its diagonals disposed in the longitudinal direction to make a length of the diagonal equal to a height of the sub-pixel column.

4. The liquid crystal panel of claim 1 , wherein the plurality of color filter pixel units are disposed in an array, wherein tops or bottoms of color filter pixel units in a same row are kept in a same plane.

5. The liquid crystal panel of claim 1 , wherein the colors of the six color filter sub-pixel units are partially same.

6. The liquid crystal panel of claim 1 , wherein colors of the two diamond shaped color filter sub-pixel units are two of red, blue and green, a color of one of the four isosceles triangle shaped color filter sub-pixel units is the remaining one color.

7. The liquid crystal panel of claim 1 , wherein colors of the two diamond shaped color filter sub-pixel units are red and blue respectively.

8. The liquid crystal panel of claim 1 , wherein colors of two isosceles triangle shaped color filter sub-pixel units that are not in a same sub-pixel column and nonadjacent are green, colors of other two isosceles triangle shaped color filter sub-pixel units are two of yellow, cyan, pink and white respectively.

9. The liquid crystal panel of claim 1 , wherein a color of one of the isosceles triangle shaped color filter sub-pixel units is green, colors of other three isosceles triangle shaped color filter sub-pixel units are three of yellow, cyan, pink, white, respectively.

10. The liquid crystal panel of claim 1 , wherein the first gate line is disposed on top of the array pixel unit, the second gate line is disposed at bottom of the array pixel unit, and the first, second and third data lines are arranged in the longitudinal direction.

11. The liquid crystal panel of claim 10 , wherein the first gate line is electrically connected with gates of the thin film transistors of the two isosceles triangle shaped array sub-pixel units and one diamond shaped array sub-pixel unit sandwiched therebetween, and the second gate line is electrically connected with gates of the thin film transistors of the other two isosceles triangle shaped array sub-pixel units and another one diamond shaped array sub-pixel unit.

12. The liquid crystal panel of claim 10 , wherein the first data line is electrically connected with sources of thin film transistors of two isosceles triangle shaped array sub-pixel units on a left side thereof, the second data line is electrically connected with a source of a thin film transistor of a diamond shaped array sub-pixel unit on a left side thereof and a source of a thin film transistor of an isosceles triangle shaped array sub-pixel unit on a low right side thereof, the third data line is electrically connected with a source of a thin film transistor of an isosceles triangle shaped array sub-pixel unit on an upper left side thereof and a source of a thin film transistor of a diamond shaped array sub-pixel unit on a right side thereof.

13. The liquid crystal panel of claim 10 , wherein the first, second and third data lines are disposed to extend in the longitudinal direction along edges of the diamond shaped array sub-pixel units.

14. A liquid crystal display device comprising a liquid crystal panel according to claim 1 .

Assignees

• Boe Technology Group Co Ltd

Inventors

• Wang Qiangtao
• Li Wenbing
• Ma Xinli
• Li Yan

Classifications

• G02B5/201

  in the form of arrays · CPC title

• G02F2201/52

  RGB geometrical arrangements · CPC title

• G02F1/136286

  Wiring, e.g. gate line, drain line · CPC title

• G02F1/133514 Primary

  Colour filters · CPC title

• G09G3/3611

  Control of matrices with row and column drivers · CPC title