IP Library › Granted Patent US 11,812,648
Granted Patent B2
US 11,812,648 · App. 17/850,172 · Granted Nov 7, 2023

Pixel array and display device

Inventors: Ming Hu (Beijing, CN); Yan Huang (Beijing, CN); Chang Luo (Beijing, CN); Jianpeng Wu (Beijing, CN); Benlian Wang (Beijing, CN); Peng Xu (Beijing, CN); Wei Zhang (Beijing, CN); Qian Xu (Beijing, CN)
Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd.; BOE TECHNOLOGY GROUP CO., LTD.
H10K59/353H10K59/351H10K59/352
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Quick Facts
Patent No.
US 11,812,648
App. No.
17/850,172
Granted
Nov 7, 2023
Kind
B2
Abstract

There is provided a pixel array including a plurality of sub-pixels, which include first sub-pixels, second sub-pixels, and third sub-pixels. The first and third sub-pixels are alternately arranged along a row direction and form a plurality of first pixel rows, the first and third sub-pixels, which are in a same column, in the plurality of first pixel rows are alternately arranged, and the second sub-pixels are arranged along the row direction and form second pixel rows. Lines sequentially connecting centers of any two of the first sub-pixels and any two of the third sub-pixels, which are arranged in an array, together form a first virtual quadrilateral, and one of the second sub-pixels is in each first virtual quadrilateral. At least one interior angle of the first virtual quadrilateral is not 90°. At least one of the first, second and third sub-pixels has a corner circularly or rectilinearly chamfered.

Claims (28)

1. A pixel array, comprising a plurality of sub-pixels, which comprise first sub-pixels, second sub-pixels, and third sub-pixels; the first sub-pixels and the third sub-pixels are alternately arranged along a row direction and form a plurality of first pixel rows, the first sub-pixels and the third sub-pixels, which are in a same column, in the plurality of first pixel rows are alternately arranged, and the second sub-pixels are arranged side by side along the row direction and form a plurality of second pixel rows; lines sequentially connecting centers of two of the first sub-pixels and two of the third sub-pixels, which are arranged in an array, together form a first virtual quadrilateral, and one of the second sub-pixels is in each first virtual quadrilateral; wherein

at least a portion of interior angles of the first virtual quadrilateral is not equal to 90°;

one of a first straight line and a second straight line, which are in the row direction and a column direction respectively and pass through a center of each sub-pixel of at least one sub-pixel of the plurality of sub-pixels, divides the sub-pixel into two parts having areas different from each other, and the other of the first straight line and the second straight line divides the sub-pixel into two parts having areas equal to each other; and

a contour of a shape of each sub-pixel of the at least one sub-pixel comprises an arc line portion, and the arc line portion has a length less than a length of each of remaining portions of the contour of the shape of the sub-pixel comprising the arc line portion.

2. The pixel array according to claim 1 , wherein a ratio of the areas of the two parts having areas different from each other ranges from 2:8 to 8:2 and is not equal to 1:1.

3. The pixel array according to claim 1 , wherein the two parts having areas different from each other comprise a first corner and a second corner opposite to each other, and a distance from a vertex of the first corner to a center of the sub-pixel comprising the two parts having areas different from each other is different from a distance from a vertex of the second corner to the center of the sub-pixel comprising the two parts having areas different from each other.

4. The pixel array according to claim 3 , wherein the distance from the vertex of the first corner to the center of the sub-pixel comprising the two parts having areas different from each other is less than the distance from the vertex of the second corner to the center of the sub-pixel comprising the two parts having areas different from each other.

5. The pixel array according to claim 1 , wherein the length of the arc line portion is less than a size of the sub-pixel comprising the arc line portion in the row direction or a column direction.

6. The pixel array according to claim 1 , wherein for each first virtual quadrilateral, distances from a center of the second sub-pixel within the first virtual quadrilateral to the centers of the two first sub-pixels on vertexes of the first virtual quadrilateral are not equal to each other, and a ratio of minimum distances between the second sub-pixel within the first virtual quadrilateral and the two first sub-pixels on the vertexes of the first virtual quadrilateral ranges from 0.8 to 1.2; and/or

for each first virtual quadrilateral, distances from a center of the second sub-pixel within the first virtual quadrilateral to the centers of the two third sub-pixels on vertexes of the first virtual quadrilateral are not equal to each other, and a ratio of minimum distances between the second sub-pixel within the first virtual quadrilateral and the two third sub-pixels on the vertexes of the first virtual quadrilateral ranges from 0.8 to 1.2.

7. The pixel array according to claim 1 , wherein for each first virtual quadrilateral, connecting lines between a center of the second sub-pixel within the first virtual quadrilateral to the centers of the two first sub-pixels on vertexes of the first virtual quadrilateral are not parallel to each other or not on a same straight line, and extension lines of minimum paths between the second sub-pixel within the first virtual quadrilateral and the two first sub-pixels on the vertexes of the first virtual quadrilateral are parallel to each other or on a same straight line; and/or

for each first virtual quadrilateral, connecting lines between a center of the second sub-pixel within the first virtual quadrilateral to the centers of the two third sub-pixels on vertexes of the first virtual quadrilateral are not parallel to each other or not on a same straight line, and extension lines of minimum paths between the second sub-pixel within the first virtual quadrilateral and the two third sub-pixels on the vertexes of the first virtual quadrilateral are parallel to each other or on a same straight line.

8. The pixel array according to claim 1 , wherein a shape of each of the first sub-pixels, the second sub-pixels and the third sub-pixels comprises a polygon, the third sub-pixels comprise the at least one sub-pixel, and a shape of each of the third sub-pixels is different from a shape of each of the first sub-pixels or a shape of each of the second sub-pixels.

9. The pixel array according to claim 1 , wherein an intersection point of extension lines of both sides of at least one vertex angle of the first sub-pixels, the second sub-pixels and the third sub-pixels does not coincide with a vertex of the at least one vertex angle, and a distance from the intersection point of extension lines of both sides of at least one vertex angle to a center of the sub-pixel comprising the at least one vertex angle is not equal to a distance from an intersection point of extension lines of both sides of another vertex angle of the sub-pixel comprising the at least one vertex angle to the center of the sub-pixel comprising the at least one vertex angle.

10. The pixel array according to claim 1 , wherein the shape of each of the first sub-pixels, the second sub-pixels and the third sub-pixels comprises a polygon, and each of the first sub-pixels, the second sub-pixels and the third sub-pixels comprises a pair of vertex angles opposite to each other in the row direction and a pair of vertex angles opposite to each other in a column direction; and

in each first pixel row, vertexes of the vertex angles of the first sub-pixels and the third sub-pixels in the row direction are on a same straight line, and/or the sub-pixels, which are located on a same straight line along the column direction, among the plurality of the sub-pixels form a pixel column, in each pixel column where the first sub-pixels and the third sub-pixels are located, vertexes of the vertex angles of the first sub-pixels and the third sub-pixels in a column direction are on a same straight line.

11. The pixel array according to claim 1 , wherein the first sub-pixels comprise red sub-pixels, the second sub-pixels comprise green sub-pixels, the third sub-pixels comprise blue sub-pixels, and each of the third sub-pixels has an area which is larger than that of each of the first sub-pixels and larger than that of each of the second sub-pixels.

12. The pixel array according to claim 1 , wherein a connecting line between an intersection point of extension lines of both sides of a first corner of each sub-pixel of the at least one sub-pixel and a center of the sub-pixel is a first line segment, and a straight line perpendicular to the first line segment and passing through a center of each sub-pixel of the at least one sub-pixel divides the sub-pixel into the two parts having areas different from each other.

13. The pixel array according to claim 1 , wherein a connecting line between an intersection point of extension lines of both sides of a vertex angle of each sub-pixel of the at least one sub-pixel and a center of the sub-pixel is a symmetry axis of the sub-pixel.

14. A pixel array, comprising a plurality of sub-pixels, which comprise first sub-pixels, second sub-pixels, and third sub-pixels; the first sub-pixels and the third sub-pixels are alternately arranged along a row direction and form a plurality of first pixel rows, the first sub-pixels and the third sub-pixels, which are in a same column, in the plurality of first pixel rows are alternately arranged, and the second sub-pixels are arranged side by side along the row direction and form a plurality of second pixel rows; lines sequentially connecting centers of two of the first sub-pixels and two of the third sub-pixels, which are arranged in an array, together form a first virtual quadrilateral, and one of the second sub-pixels is in each first virtual quadrilateral; wherein

at least a portion of interior angles of the first virtual quadrilateral is not equal to 90°;

one of a first straight line and a second straight line, which are in the row direction and a column direction respectively and pass through a center of each sub-pixel of at least one sub-pixel of the plurality of sub-pixels, divides the sub-pixel into two parts having areas different from each other, and the other of the first straight line and the second straight line divides the sub-pixel into two parts having areas equal to each other; and

a contour of a shape of each sub-pixel of the at least one sub-pixels comprises an arc line portion, and for the sub-pixel having the arc line portion, a connecting line between a midpoint of the arc line portion and a vertex of a vertex angle opposite to the arc line portion passes through a center of the sub-pixel.

15. A pixel array, comprising a plurality of sub-pixels, which comprise first sub-pixels, second sub-pixels, and third sub-pixels; the first sub-pixels and the third sub-pixels are alternately arranged along a row direction and form a plurality of first pixel rows, the first sub-pixels and the third sub-pixels, which are in a same column, in the plurality of first pixel rows are alternately arranged, and the second sub-pixels are arranged side by side along the row direction and form a plurality of second pixel rows; lines sequentially connecting centers of two of the first sub-pixels and two of the third sub-pixels, which are arranged in an array, together form a first virtual quadrilateral, and one of the second sub-pixels is in each first virtual quadrilateral; wherein

at least a portion of interior angles of the first virtual quadrilateral is not equal to 90°;

one of a first straight line and a second straight line, which are in the row direction and a column direction respectively and pass through a center of each sub-pixel of at least one sub-pixel of the plurality of sub-pixels, divides the sub-pixel into two parts having areas different from each other, and the other of the first straight line and the second straight line divides the sub-pixel into two parts having areas equal to each other; and

a contour of a shape of each of the at least one sub-pixel comprises an arc line and two straight line segments each directly connecting to the arc line.

16. The pixel array according to claim 15 , wherein the two straight line segments directly connecting to the arc line have a same length.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 27, 2022
From: HU, MING; HUANG, YAN; LUO, CHANG; WU, JIANPENG; WANG, BENLIAN; XU, PENG; ZHANG, WEI; XU, QIAN
To: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.; BOE TECHNOLOGY GROUP CO., LTD.
Reel/Frame 060444/0800 →
Priority Claims (1)
WO PCT/CN2020/114619 · Sep 10, 2020 · international
Continuity (2)
Continuation 17439861
Related Publication 20220328573A1 · Oct 13, 2022
Cited By (4)
US 12,302,730 US 12,477,917 US 12,641,979 US 12,648,325