US 12,471,464 B2
Display substrate and display apparatus
Tinghua Shang, Beijing (CN); Biao Liu, Beijing (CN); Yixuan Long, Beijing (CN); Jiaxing Chen, Beijing (CN); Zuoji Niu, Beijing (CN); Chang Luo, Beijing (CN); and Yi Zhang, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and Beijing BOE Technology Development Co., Ltd., Beijing (CN)
Appl. No. 18/025,915
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Mar. 30, 2022, PCT No. PCT/CN2022/084060
§ 371(c)(1), (2) Date Mar. 13, 2023,
PCT Pub. No. WO2023/184235, PCT Pub. Date Oct. 5, 2023.
Prior Publication US 2024/0292687 A1, Aug. 29, 2024
Int. Cl. H10K 59/131 (2023.01); H10K 59/121 (2023.01); H10K 59/35 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 59/351 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display substrate, comprising: a base substrate and a drive structure layer disposed on the base substrate, wherein: the drive structure layer comprises pixel circuits arranged in an array, each pixel circuit of the pixel circuits arranged in the array comprise a plurality of power supply lines configured to provide power supply signals; the pixel circuit further comprises a capacitor, the capacitor comprises a first electrode plate and a second electrode plate disposed on a side of the first electrode plate away from the base substrate;
the plurality of power supply lines comprise a plurality of first power connection lines located in a first conductive layer and a plurality of second power connection lines located in a second conductive layer, the second conductive layer is located on a side of the first conductive layer away from the base substrate, the first power connection lines and the second power connection lines extend in a first direction, the plurality of first power connection lines and the plurality of second power connection lines are arranged in a second direction, the first direction and the second direction are intersected;
two adjacent first power connection lines are connected by a connection part located at the first conductive layer, and an orthographic projection of the connection part on the base substrate is at least partially overlapped with an orthographic projection of the second electrode plate on the base substrate; and
the display substrate further comprises a light emitting structure layer provided on a side of the drive structure layer away from the base substrate, wherein the light emitting structure layer comprises a plurality of light emitting elements; the light emitting elements are connected to the pixel circuits, at least one light emitting element comprises an anode, an organic light emitting layer and a cathode stacked sequentially on the drive structure layer; the anode of the light emitting element comprises an anode body part and an anode connection part, an orthographic projection of an effective light emitting region of the light emitting element on the base substrate is located inside an orthographic projection of a corresponding anode body part on the base substrate, and the anode connection part is connected to the pixel circuit and the anode body part, respectively.