US 12,426,452 B2
Display substrate and display device
Qi Liu, Beijing (CN); Wanli Chen, Beijing (CN); and Xiangdan Dong, Beijing (CN)
Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Chengdu (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed on Aug. 26, 2024, as Appl. No. 18/814,935.
Application 18/814,935 is a continuation of application No. 17/434,946, granted, now 12,101,972, previously published as PCT/CN2020/136451, filed on Dec. 15, 2020.
Prior Publication US 2024/0423034 A1, Dec. 19, 2024
Int. Cl. G09G 3/3233 (2016.01); G09G 3/32 (2016.01); H10K 59/126 (2023.01); H10K 59/131 (2023.01)
CPC H10K 59/126 (2023.02) [G09G 3/32 (2013.01); H10K 59/131 (2023.02); G09G 2300/0426 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display substrate, comprising a base substrate, a drive circuit layer, a light-emitting layer and a touch layer arranged on the base substrate;
wherein the drive circuit layer comprises at least a drive transistor, a first reset transistor, a compensation control transistor, and a reset control line, an initialization signal line, a switch control line, a light-emitting control signal line, a data signal line, and a power signal line; the drive transistor, the first reset transistor, and the compensation control transistor all comprise a control terminal, a first electrode and a second electrode; the light-emitting layer comprises a light-emitting element corresponding to each sub-pixel;
the first electrode of the drive transistor is electrically connected to the power signal line, and the second electrode thereof is coupled to the corresponding light-emitting element;
the control terminal of the first reset transistor is connected to the reset control line, the first electrode thereof is coupled to the initialization signal line, and the second electrode thereof is coupled to the control terminal of the drive transistor;
the control terminal of the compensation control transistor is coupled to the switch control line, the first electrode thereof is coupled to the second electrode of the drive transistor, and the second electrode thereof is coupled to the control terminal of the drive transistor;
the first reset transistor is at least partially covered by a first light shielding structure in a direction away from the base substrate, and the first reset transistor is at least partially covered by a second light shielding structure in a direction away from the base substrate, wherein the first light shielding structure and second light shielding structure are formed in different layers;
wherein the first reset transistor is at least partially covered by a third light shielding structure which comprises the initialization signal line.