Pixel arrangement structure and driving method thereof, display substrate and display device

Patent metadata

Field	Value
Publication number	US-10854684-B2
Application number	US-201816234777-A
Country	US
Kind code	B2
Filing date	Dec 28, 2018
Priority date	Feb 18, 2016
Publication date	Dec 1, 2020
Grant date	Dec 1, 2020

Abstract

A pixel arrangement structure, including a plurality of repeating units, wherein each of the plurality of repeating units includes one first sub-pixel, one second sub-pixel, and two third sub-pixels; in each of the plurality of repeating units, the two third sub-pixels are arranged in one of a first direction and a second direction, and the first sub-pixel and the second sub-pixel are arranged in the other one of the first direction and the second direction; the plurality of repeating units are arranged in the first direction to form a plurality of repeating unit groups, the plurality of repeating unit groups are arranged in the second direction; and the first direction and the second direction are different directions.

First claim

What is claimed is:

1. A pixel arrangement structure, comprising a plurality of repeating units, wherein
each of the plurality of repeating units comprises one first sub-pixel, one second sub-pixel, and two third sub-pixels;
in each of the plurality of repeating units, the two third sub-pixels are arranged in one of a first direction and a second direction, and the first sub-pixel and the second sub-pixel are arranged in the other one of the first direction and the second direction;
the plurality of repeating units are arranged in the first direction to form a plurality of repeating unit groups, the plurality of repeating unit groups are arranged in the second direction; and
the first direction and the second direction are different directions,
wherein adjacent ones of the plurality of repeating unit groups are shifted from each other in the first direction.

2. The pixel arrangement structure according to claim 1 , wherein the first direction and the second direction are respectively two directions which are substantially perpendicular to each other in a same plane.

3. The pixel arrangement structure according to claim 1 , wherein the two third sub-pixels are arranged in the second direction, and the first sub-pixel and the second sub-pixel are arranged in the first direction.

4. The pixel arrangement structure according to claim 3 , wherein two lines passing through centers of the first sub-pixel and the second sub-pixel in two adjacent ones of the plurality of repeating unit groups have a distance of L therebetween, and a line passing through centers of the first sub-pixel and the second sub-pixel in any one of the plurality of repeating unit groups and a center of the third sub-pixel in an adjacent one of the plurality of repeating unit groups have a minimum distance of about ½ L-¾ L therebetween.

5. The pixel arrangement structure according to claim 4 , wherein, in each of the plurality of repeating units, centers of the two third sub-pixels have a distance of about ½ L-1 L therebetween.

6. The pixel arrangement structure according to claim 3 , wherein, in each of the plurality of repeating units, adjacent edges of the two third sub-pixels have a distance greater than 12 micrometers.

7. The pixel arrangement structure according to claim 4 , wherein a pitch of each of the plurality of repeating units in the first direction is about 2 L.

8. The pixel arrangement structure according to claim 4 , wherein the first sub-pixel comprises two portions separated by a center line of the first sub-pixel in the first direction, and centers of the two portions have a distance less than 0.3 L therebetween.

9. The pixel arrangement structure according to claim 3 , wherein each of the first sub-pixel and the second sub-pixel is asymmetric with respect to a straight line passing through a center thereof in a second direction.

10. The pixel arrangement structure according to claim 4 , wherein each of the first sub-pixel and the second sub-pixel substantially has an elongated shape or an elliptical shape extending in the second direction.

11. The pixel arrangement structure according to claim 10 , wherein a ratio of a size of the first sub-pixel or the second sub-pixel in the second direction to a size of the first sub-pixel or the second sub-pixel in the first direction is σ, and σ>1.

12. The pixel arrangement structure according to claim 11 , wherein the first sub-pixel is a red sub-pixel, the second sub-pixel is a blue sub-pixel, and the ratio σ of the first sub-pixel is greater than the ratio σ of the second sub-pixel.

13. The pixel arrangement structure according to 12 , wherein, the size of the first sub-pixel in the second direction is less than 0.6 L.

14. The pixel arrangement structure according to claim 3 , wherein a minimum distance between one third sub-pixel of any one of the plurality of repeating unit groups and an adjacent first sub-pixel of an adjacent one of the plurality of repeating unit groups is a first distance, a minimum distance between one third sub-pixel in any one of the plurality of repeating unit groups and an adjacent second sub-pixel of an adjacent one of the plurality of repeating unit groups is a second distance, the first distance is substantially the same as the second distance.

15. The pixel arrangement structure according to claim 14 , wherein a minimum distance between one first sub-pixel of any one of the plurality of repeating unit groups and an adjacent second sub-pixel of an adjacent one of the plurality of repeating unit groups is a third distance, the third distance is substantially the same as the first distance.

16. The pixel arrangement structure according to claim 3 , wherein the first direction and a horizontal direction or a vertical direction have an angle of about 40°-50° therebetween.

17. The pixel arrangement structure according to claim 3 , wherein, in each of the plurality of repeating units, the first sub-pixel and the second sub-pixel are respectively located at two sides of the two third sub-pixels, a line segment connecting centers of the first sub-pixel and the second sub-pixel is a first line segment, a line segment connecting centers of the two third sub-pixels is a second line segment, a length ratio of the second line segment to the first line segment is less than or equal to ¾.

18. The pixel arrangement structure according to claim 17 , wherein the second line segment and the first line segment are substantially perpendicular to each other and equally halved by each other.

19. The pixel arrangement structure according to claim 1 , wherein the two third sub-pixels are arranged in the first direction, a center line extending in the second direction of the first sub-pixel or the second sub-pixel located in one of two adjacent ones of the plurality of repeating unit groups is located between two adjacent third sub-pixels in the other one of the two adjacent repeating unit groups;
or, the two third sub-pixels are arranged in the second direction, a center line extending in the second direction of the third sub-pixel located in one of two adjacent ones of the plurality of repeating unit groups is located between the first sub-pixel and the second sub-pixel which are adjacent to each other in other one of the two adjacent repeating unit groups.

20. The pixel arrangement structure according to claim 1 , wherein the two third sub-pixels in a same one of the plurality of repeating units are arranged in the second direction, a range in which the two third sub-pixels extend in the first direction is not beyond a maximum range between two edges away from each other in the first direction of one first sub-pixel and one second sub-pixel, which are adjacent to one of the two third sub-pixels in the second direction;
or, the two third sub-pixels in a same one of the plurality of repeating units are arranged in the first direction, a range in which the two third sub-pixels extend in the second direction is not beyond a maximum range between two edges away from each other in the second direction of one first sub-pixel and one second sub-pixel, which are adjacent to one of the two third sub-pixels in the first direction.

21. The pixel arrangement structure according to claim 1 , wherein one first sub-pixel and one third sub-pixel which are adjacent to each other form a virtual pixel, one second sub-pixel and one third sub-pixel which are adjacent to each other form a virtual pixel.

22. The pixel arrangement structure according to claim 1 , wherein the two

Assignees

• Boe Technology Group Co Ltd

Inventors

• Huangfu Lujiang
• Jin Xiaodan
• Liang Yinan
• Li Zhenzhen
• Tan Wenjing
• Liu Libin
• Yang Qian
• Wang Hongli

Classifications

• H10K59/8723

  Vertical spacers, e.g. arranged between the sealing arrangement and the OLED · CPC title

• H10K59/353

  characterised by the geometrical arrangement of the RGB subpixels · CPC title

• G09G3/3233 Primary

  with pixel circuitry controlling the current through the light-emitting element · CPC title

• G09G3/3225

  using an active matrix · CPC title

• G09G2310/0251

  Precharge or discharge of pixel before applying new pixel voltage · CPC title