US 12,238,983 B2
Display substrate and manufacturing method thereof, and display device
Yunlong Li, Beijing (CN); Pengcheng Lu, Beijing (CN); Li Liu, Beijing (CN); Yu Ao, Beijing (CN); Yuanlan Tian, Beijing (CN); Zhijian Zhu, Beijing (CN); and Dacheng Zhang, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 16/958,821
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Aug. 27, 2019, PCT No. PCT/CN2019/102887
§ 371(c)(1), (2) Date Jun. 29, 2020,
PCT Pub. No. WO2021/035547, PCT Pub. Date Mar. 4, 2021.
Prior Publication US 2022/0384553 A1, Dec. 1, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 59/131 (2023.01); H10K 50/844 (2023.01); H10K 59/12 (2023.01); H10K 59/88 (2023.01); H10K 71/00 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 50/844 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02); H10K 59/88 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a first electrode pattern, located in a display region of the display substrate and comprising a plurality of first electrodes spaced apart from each other, each of the plurality of first electrodes being configured to receive a pixel driving signal;
a connecting electrode pattern, located in a peripheral region of the display substrate;
a second electrode, located in the display region and the peripheral region, connected with and in direct contact with the connecting electrode pattern, the second electrode and the first electrode pattern being spaced apart from each other, the second electrode being configured to receive a first power signal;
a light-emitting functional layer, located between the first electrode pattern and the second electrode; and
a first dummy electrode pattern, comprising a plurality of first dummy electrodes, wherein the connecting electrode pattern surrounds the first electrode pattern, the first dummy electrode pattern is located between the connecting electrode pattern and the first electrode pattern, and at least two of the plurality of first dummy electrodes are each of a block shape and are spaced apart from each other, and
wherein a pattern density of the connecting electrode pattern is the same as that of the first electrode pattern, and a pattern density of the first dummy electrode pattern is the same as that of the first electrode pattern.