US 12,471,449 B2
Array substrate and manufacturing method thereof, and display device
Ying Cui, Beijing (CN); Hongli Wang, Beijing (CN); Danyang Ma, Beijing (CN); and Tong Wu, Beijing (CN)
Assigned to Beijing BOE Technology Development Co., Ltd., Beijing (CN)
Appl. No. 18/025,382
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jun. 29, 2022, PCT No. PCT/CN2022/102426
§ 371(c)(1), (2) Date Mar. 8, 2023,
PCT Pub. No. WO2024/000290, PCT Pub. Date Jan. 4, 2024.
Prior Publication US 2024/0306427 A1, Sep. 12, 2024
Int. Cl. H10K 59/122 (2023.01); H10K 59/35 (2023.01); H10K 59/80 (2023.01); H10K 102/00 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 59/352 (2023.02); H10K 59/80515 (2023.02); H10K 2102/351 (2023.02)] 20 Claims
OG exemplary drawing
 
1. An array substrate, comprising: a substrate and a pixel defining layer on the substrate; wherein:
the pixel defining layer comprises a plurality of first sub-pixel opening columns and a plurality of second sub-pixel opening columns, the plurality of first sub-pixel opening columns and the plurality of second sub-pixel opening columns are alternately arranged in a first direction;
the first sub-pixel opening column comprises at least two types of sub-pixel openings with different illumination colors;
the second sub-pixel opening column comprises sub-pixel openings with a same illumination color;
the illumination color of the sub-pixel opening in the second sub-pixel opening column is different from the illumination colors of the sub-pixel opening in the first sub-pixel opening column;
an area of the sub-pixel opening in the second sub-pixel opening column is greater than an area of the sub-pixel opening in the first sub-pixel column;
the pixel defining layer between the first sub-pixel opening column and the second sub-pixel opening column is made of a lyophobic material;
the pixel defining layer between adjacent sub-pixel openings in the second sub-pixel opening column is made of a lyophilic material; and
in the first sub-pixel opening column, the pixel defining layer between adjacent sub-pixel openings with the same illumination color is made of a lyophilic material, and the pixel defining layer between adjacent sub-pixel openings with different illumination colors is made of a material that is switched between a lyophilic property and a lyophobic property as an external condition changes.