CN-121985685-A - Array substrate and display device

Abstract

The embodiment of the disclosure provides an array substrate and a display device. The array substrate comprises a plurality of first sub-pixel rows, wherein each first sub-pixel row comprises a plurality of first sub-pixels and a plurality of second sub-pixels which are alternately arranged in a first direction, each second sub-pixel row comprises a plurality of third sub-pixels and a plurality of fourth sub-pixels which are alternately arranged in the first direction, the plurality of first sub-pixel rows and the plurality of second sub-pixel rows are alternately arranged in a second direction, the second direction intersects the first direction, and an included angle between a connecting line of the centers of adjacent first sub-pixels and the centers of adjacent second sub-pixels and the first direction in the first sub-pixel rows is smaller than 20 degrees. The array substrate can reduce or even eliminate the fluctuation sense or the saw tooth sense of the display picture.

Inventors

• ZHANG WEI
• GAO YONGYI
• SHI QUAN
• BAI SHANSHAN
• WANG HONGLI

Assignees

• 京东方科技集团股份有限公司
• 成都京东方光电科技有限公司

Dates

Publication Date

20260505

Application Date

20210430

Priority Date

20210316

Claims (20)

1. 1. An array substrate, comprising: A plurality of first sub-pixel rows each including a plurality of first sub-pixels and a plurality of second sub-pixels alternately arranged in a first direction, and A plurality of second sub-pixel rows, each of the second sub-pixel rows including a plurality of third sub-pixels and a plurality of fourth sub-pixels alternately arranged in the first direction; Wherein the plurality of first sub-pixel rows and the plurality of second sub-pixel rows are alternately arranged along a second direction, the second direction intersecting the first direction, In the adjacent two second sub-pixel rows, the central connecting lines of two third sub-pixels and two fourth sub-pixels surrounding one first sub-pixel or one second sub-pixel are connected into a first trapezoid, the two third sub-pixels are positioned at a first group of opposite angles of the first trapezoid, the two fourth sub-pixels are positioned at a second group of opposite angles of the first trapezoid, The array substrate further comprises spacers, and at least one edge of the first trapezoid penetrates through at least one spacer.
2. 2. The array substrate of claim 1, wherein, in two adjacent first sub-pixel rows, a central line of the two first sub-pixels and the two second sub-pixels surrounding one of the third sub-pixels or one of the fourth sub-pixels forms a second trapezoid, at least one side of the second trapezoid passing through at least one of the spacers.
3. 3. The array substrate of claim 2, wherein the first trapezoid includes a first parallel side and a second parallel side, the second trapezoid includes a third parallel side and a fourth parallel side, an extending direction of the first parallel side and an extending direction of the third parallel side are different, one of the first parallel side and the third parallel side extends in the first direction, and the other of the first parallel side and the third parallel side extends in the second direction.
4. 4. The array substrate of claim 2, wherein at least one side of the second trapezoid passes through at least one of the spacers.
5. 5. The array substrate according to any one of claims 1 to 4, wherein the array substrate includes a plurality of the spacers arranged in a first direction to form a spacer row, and a pitch between two adjacent spacers among the spacer rows is the same.
6. 6. The array substrate of any one of claims 1 to 4, wherein the spacer is located within an area surrounded by a quadrangle formed by center lines of two first sub-pixels adjacent in the first direction and two second sub-pixels adjacent in the first direction, the quadrangle including two parallel sides parallel to the second direction.
7. 7. The array substrate of claim 6, wherein the quadrangle is a parallelogram.
8. 8. The array substrate of any of claims 1-4, wherein the center lines of the plurality of spacers on the array substrate form a network, the network comprising at least one pair of parallel sides.
9. 9. The array substrate of any one of claims 1-4, wherein a shape of an effective light emitting region of at least one of the first, second, third, and fourth sub-pixels comprises a right angle or a rounded right angle.
10. 10. The array substrate of any one of claims 1-4, wherein the shape of the effective light emitting region of the third sub-pixel and the shape of the effective light emitting region of the fourth sub-pixel are the same, and the area of the effective light emitting region of the third sub-pixel and the area of the effective light emitting region of the fourth sub-pixel are different.
11. 11. The array substrate of any one of claims 1-4, wherein the shape of the effective light emitting region of the first subpixel, the shape of the effective light emitting region of the second subpixel, the shape of the effective light emitting region of the third subpixel, and the shape of the effective light emitting region of the fourth subpixel each comprise a hypotenuse parallel to a third direction, the third direction intersecting both the first direction and the second direction.
12. 12. The array substrate of claim 11, wherein the hypotenuse of the effective light-emitting region of the first sub-pixel or the effective light-emitting region of the second sub-pixel is disposed opposite and parallel to the hypotenuse of the adjacently disposed effective light-emitting region of the third sub-pixel and the hypotenuse of the effective light-emitting region of the fourth sub-pixel.
13. 13. The array substrate of any one of claims 1-4, wherein the shape of the effective light emitting region of the first subpixel comprises a first set of parallel sides comprising two parallel sides, the shape of the effective light emitting region of the second subpixel comprises a second set of parallel sides comprising two parallel sides, the shape of the effective light emitting region of the third subpixel comprises a third set of parallel sides comprising two parallel sides, and the shape of the effective light emitting region of the fourth subpixel comprises a fourth set of parallel sides comprising two parallel sides.
14. 14. The array substrate of any of claims 1-4, wherein the first subpixel is configured to emit light of a first color and the second subpixel is configured to emit light of a second color, the first color and the second color being the same.
15. 15. The array substrate of claim 14, wherein the third sub-pixel is configured to emit light of a third color, the fourth sub-pixel is configured to emit light of a fourth color, the third color, the fourth color, and the first color are different from each other, and the light emission efficiency of the third sub-pixel is greater than the light emission efficiency of the fourth sub-pixel.
16. 16. The array substrate of any one of claims 1-4, further comprising: A plurality of pixel groups, each of the pixel groups including one of the first sub-pixels, one of the second sub-pixels, one of the third sub-pixels, and one of the fourth sub-pixels, Wherein, in each of the pixel groups, a first line connecting a center of the first subpixel and a center of the second subpixel intersects a second line connecting a center of the third subpixel and a center of the fourth subpixel, The plurality of pixel groups are arranged along the first direction to form N pixel group rows, the N pixel group rows are arranged along the second direction, and two adjacent pixel group rows are arranged in a staggered mode along the first direction.
17. 17. The array substrate of any one of claims 1 to 4, wherein in one of the first subpixel rows, an included angle between a line connecting centers of adjacent first and second subpixels and the first direction is 20 degrees or less.
18. 18. The array substrate of any one of claims 1-4, wherein a shortest distance between the first and second sub-pixels is less than a largest dimension of the fourth sub-pixel in the second direction, the largest distance between the first and second sub-pixels being greater than the largest dimension of the fourth sub-pixel in the second direction.
19. 19. The array substrate of any one of claims 1-4, further comprising: A substrate base; A first color pixel electrode, a second color pixel electrode, a third color pixel electrode, and a fourth color pixel electrode, and A pixel defining layer located at a side of the first color pixel electrode, the second color pixel electrode, the third color pixel electrode, and the fourth color pixel electrode away from the substrate, Wherein the pixel defining layer includes a first opening exposing the first color pixel electrode, a second opening exposing the second color pixel electrode, a third opening exposing the third color pixel electrode, and a fourth opening exposing the fourth color pixel electrode, The first subpixel includes the first color pixel electrode and the first opening, the second subpixel includes the second color pixel electrode and the second opening, the third subpixel includes the third color pixel electrode and the third opening, and the fourth subpixel includes the fourth color pixel electrode and the fourth opening.
20. 20. A display device comprising the array substrate according to any one of claims 1 to 19.

Description

Array substrate and display device The present application is a divisional application with application number 202180001057.1, which enters the national stage of China at 2021, 05/06, and is a national stage of China application of PCT International application PCT/CN2021/091626 filed at 2021, 04/30, which claims priority from PCT application PCT/CN2021/081026 filed at 2021, 03/16, the disclosure of which is incorporated herein by reference in its entirety as part of the present application. Technical Field Embodiments of the present disclosure relate to an array substrate and a display device. Background With the development of display technology, the requirements of display quality of display devices are also increasing. The Organic Light Emitting Diode (OLED) display device has a wider and wider application range due to the advantages of wide color gamut, fast response speed, foldability, flexibility, high contrast ratio, and the like. On the other hand, there is an increasing demand for resolution of Organic Light Emitting Diode (OLED) display devices. In an Organic Light Emitting Diode (OLED) display device, a pixel arrangement manner or a pixel arrangement structure has a large influence on display quality and resolution, and thus is one of important directions of research and improvement by various manufacturers. Disclosure of Invention The embodiment of the disclosure provides an array substrate and a display device. In the array substrate, the first sub-pixel row comprises a plurality of first sub-pixels and a plurality of second sub-pixels which are alternately arranged in the first direction, and because the included angle between the connecting line of the centers of the adjacent first sub-pixels and the centers of the second sub-pixels in the first sub-pixel row and the first direction is smaller than 20 degrees, the fluctuation sense of the sub-pixel row is smaller, and human eyes are more similar to a straight line in vision, so that the fluctuation sense or the jaggy sense of a display picture can be reduced or even eliminated, and the lines of the display picture are more continuous and natural. At least one embodiment of the present disclosure provides an array substrate including a plurality of first sub-pixel rows, each of the first sub-pixel rows including a plurality of first sub-pixels and a plurality of second sub-pixels alternately arranged in a first direction, and a plurality of second sub-pixel rows, each of the second sub-pixel rows including a plurality of third sub-pixels and a plurality of fourth sub-pixels alternately arranged in the first direction, the plurality of first sub-pixel rows and the plurality of second sub-pixel rows alternately arranged in a second direction, the second direction intersecting the first direction, and an angle between a line connecting centers of adjacent ones of the first sub-pixels and centers of adjacent ones of the second sub-pixels and the first direction is less than 20 degrees. For example, in the array substrate provided in an embodiment of the present disclosure, the first subpixel is configured to emit light of a first color, and the second subpixel is configured to emit light of a second color, where the first color and the second color are the same. For example, in the array substrate provided in an embodiment of the present disclosure, the third subpixel is configured to emit light of a third color, the fourth subpixel is configured to emit light of a fourth color, the third color, the fourth color, and the first color are different from each other, and the light emission efficiency of the third subpixel is greater than the light emission efficiency of the fourth subpixel. For example, the array substrate provided by the embodiment of the disclosure further includes a plurality of pixel groups, each pixel group includes one first color sub-pixel, one second sub-pixel, one third sub-pixel and one fourth sub-pixel, in each pixel group, a first connection line between a center of the first sub-pixel and a center of the second sub-pixel intersects a second connection line between a center of the third sub-pixel and a center of the fourth sub-pixel, the plurality of pixel groups are arranged along the first direction to form N pixel group rows, the N pixel group rows are arranged along the second direction, two adjacent pixel group rows are arranged in a staggered manner in the first direction, a plurality of first sub-pixels and a plurality of second sub-pixels in an i+1 pixel group row are alternately arranged in the first direction to form one first sub-pixel row, the plurality of first sub-pixels are alternately arranged in the first direction, the plurality of pixel groups are N sub-pixels and N sub-pixels are alternately arranged in the first direction to be equal to or greater than or equal to an integer, and N is equal to or greater than or equal to 3. For example, in the array substrate provided in an embodiment of the present d