PIXEL ARRAY STRUCTURE AND DISPLAY DEVICE

• US 20160240594A1
• Filed: 09/16/2015
• Published: 08/18/2016
• Est. Priority Date: 02/15/2015
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd.
• Original Assignee: BOE Technology Group Co., Ltd.
• Inventors: Zhu, Mingyi
• Granted Patent: US 10,665,640 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H10K 59/352 the areas of the RGB subpixels being different
• CPC Class Codes: H10K 59/353 characterised by the geometrical arrangement of the RGB subpixels

Abstract

A pixel array structure and a display device are provided. The pixel array structure includes pixel groups arranged repeatedly, wherein each pixel group at least includes a first pixel (21), a second pixel (22) and a third pixel (23), each type of pixels include sub-pixels of at least two colors, and sub-pixels included in different types of pixels are different in color or sequence, which can improve aperture ratios of part of color sub-pixels.

Claims

1. A pixel array structure, comprising pixel groups arranged repeatedly, wherein each pixel group includes a plurality of pixels arranged along a row direction and a column direction, the plurality of pixels at least including a first type of pixels, a second type of pixels and a third type of pixels, each type of pixels including sub-pixels of at least two colors, and sub-pixels included in different types of pixels being different in color and sequence.

2. The pixel array structure according to claim 1, wherein, the first type of pixels include a first color sub-pixel and a second color sub-pixel;

the second type of pixels include a third color sub-pixel and a second color sub-pixel; and

the third type of pixels include a first color sub-pixel and a third color sub-pixel.

3. The pixel array structure according to claim 1, wherein, pixels of a same type are not adjacent to each other in the row direction and the column direction.

4. The pixel array structure according to claim 1, wherein, each sub-pixel is in a polygonal shape.

5. The pixel array structure according to claim 2, wherein, the first color sub-pixel is a red pixel;

the second color sub-pixel is a green pixel; and

the third color sub-pixel is a blue pixel.

6. The pixel array structure according to claim 1, wherein, each pixel group includes m*n pixels of m rows and n columns, m and n being natural numbers greater than or equal to 2, wherein,

in a same column of pixels, a first sub-pixel column includes a red sub-pixel and a blue sub-pixel, and a second sub-pixel column includes:

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel;

or, in a same column of pixels, a first sub-pixel column includes;

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel, and a second sub-pixel column includes a red sub-pixel and a blue sub-pixel.

7. The pixel array structure according to claim 6, wherein, the first sub-pixel column is an odd-numbered sub-pixel column and the second sub-pixel column is an even-numbered sub-pixel column.

8. The pixel array structure according to claim 6, wherein, each sub-pixel is in a rectangular shape, and has a same height;

in a same column of pixels, a first sub-pixel column includes a red sub-pixel and a blue sub-pixel, a second sub-pixel column includes;

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel, and widths of the sub-pixels in the first sub-pixel column are greater than widths of the sub-pixels in the second sub-pixel column;

or, in a same column of pixels, a first sub-pixel column includes;

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel, a second sub-pixel column includes a red sub-pixel and a blue sub-pixel, and widths of the sub-pixels in the second sub-pixel column are greater than widths of the sub-pixels in the first sub-pixel column.

9. The pixel array structure according to claim 8, wherein, the rectangle is provided with a chamfer.

10. The pixel array structure according to claim 6, wherein, in a same column of pixels, a first sub-pixel column includes a red sub-pixel and a blue sub-pixel, a second sub-pixel column includes:

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel, the red sub-pixel and the blue sub-pixel in the first sub-pixel column are arranged alternately, and red sub-pixels and blue sub-pixels in first sub-pixel columns of two adjacent columns of pixels are arranged in different manners;

or, in a same column of pixels, a first sub-pixel column includes;

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel, a second sub-pixel column includes a red sub-pixel and a blue sub-pixel, the red sub-pixel and the blue sub-pixel in the second sub-pixel column are arranged alternately, and red sub-pixels and blue sub-pixels in second sub-pixel columns of two adjacent columns of pixels are arranged in different manners.

11. The pixel array structure according to claim 6, wherein, in a same column of pixels, a first sub-pixel column includes a red sub-pixel and a blue sub-pixel, a second sub-pixel column includes:

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel, and a number of green sub-pixels is greater than that of sub-pixels of other colors in a same second sub-pixel column;

or, in a same column of pixels, a first sub-pixel column includes;

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel, a second sub-pixel column includes a red sub-pixel and a blue sub-pixel, and a number of green sub-pixels is greater than that of sub-pixels of other colors in a same first sub-pixel column.

12. The pixel array structure according to claim 6, wherein, each pixel group includes 16 pixels of four rows and four columns, wherein, pixels in the second column of pixels and the fourth column of pixels are arranged in a same manner, which are a BG pixel, a RG pixel, a BG pixel, a RG pixel from top to bottom, respectively;

pixels in the first column of pixels are arranged in such a manner that a RG pixel, a BG pixel, a RB pixel, a BG pixel are arranged from top to bottom, respectively; and

pixels in the fourth column of pixels are arranged in such a manner that a RB pixel, a BG pixel, a RG pixel, a BG pixel are arranged from top to bottom, respectively, wherein, the BG pixel is a pixel of a blue sub-pixel and a green sub-pixel from left to right, respectively;

the RG pixel is a pixel of a red sub-pixel and a green sub-pixel from left to right, respectively; and

the RB pixel is a pixel of a red sub-pixel and a blue sub-pixel from left to right, respectively.

13. The pixel array structure according to claim 1, wherein, each pixel group includes m*n pixels, which includes 2m rows and 2n columns of sub-pixels, m and n being natural numbers greater than or equal to 2;

sub-pixels of an odd-numbered row include a red sub-pixel and a blue sub-pixel, and sub-pixels of an even-numbered row include;

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel;

or, sub-pixels of an even-numbered row include a red sub-pixel and a blue sub-pixel, and sub-pixels of an odd-numbered row include;

a green sub-pixel, or a green sub-pixel and a blue sub-pixel, or a green sub-pixel and a red sub-pixel, or a green sub-pixel, a red sub-pixel and a blue sub-pixel;

and, a connecting line between central points of first sub-pixels in two adjacent rows of sub-pixels is not parallel to a straight line where any row of sub-pixels are located.

14. The pixel array structure according to claim 13, wherein, a distance between two adjacent sub-pixels in each row of sub-pixels is the same.

15. The pixel array structure according to claim 13, wherein, the sub-pixels of an odd-numbered row include a red sub-pixel and a blue sub-pixel, and the red sub-pixel and the blue sub-pixel in the sub-pixels of any odd-numbered row are arranged alternately;

or, the sub-pixels of an even-numbered row include a red sub-pixel and a blue sub-pixel, and the red sub-pixel and the blue sub-pixel in the sub-pixels of any even-numbered row are arranged alternately.

16. The pixel array structure according to claim 13, wherein, each sub-pixel is in a diamond shape;

in two diagonal lines of the diamond, one diagonal line is parallel to a straight line where any row of sub-pixels are located, and the other diagonal line is parallel to a straight line where any column of sub-pixels are located.

17. The pixel array structure according to claim 16, wherein, the diamond is provided with a chamfer.

18. The pixel array structure according to claim 13, wherein, the sub-pixels of an odd-numbered row include a red sub-pixel and a blue sub-pixel, and areas of the sub-pixels in the sub-pixels of the odd-numbered row are greater than those of the sub-pixels in the sub-pixels of an even-numbered row and the sub-pixels of an even-numbered column;

or, the sub-pixels of an even-numbered row include a red sub-pixel and a blue sub-pixel, and areas of the sub-pixels in the sub-pixels of the even-numbered row are greater than those of the sub-pixels in the sub-pixels of an odd-numbered row and the sub-pixels of the odd-numbered column.

19. The pixel array structure according to claim 18, wherein, a distance between two adjacent sub-pixels in any sub-pixel column is the same, and a distance between two adjacent sub-pixels in any sub-pixel row is the same.

20. The pixel array structure according to claim 18, wherein, an included angle, between a connecting line of a central point of a first sub-pixel in a column of sub-pixels and a central point of a first sub-pixel in the other column of sub-pixels in two adjacent columns of sub-pixels and a straight line where any row of sub-pixels row are located, is greater than zero.

21. The pixel array structure according to claim 20, wherein, the included angle is 45 degree.

22. The pixel array structure according to claim 13, wherein, a central point of any color sub-pixel is located in a perpendicular bisector of a connecting line between central points of two sub-pixels adjacent to the color sub-pixel in a row or column adjacent to the color sub-pixel.

23. A display device, comprising the pixel array structure according to claim 1.