US 12,347,384 B2
Display substrate and display device
Hongjun Zhou, Beijing (CN); and Wen Tan, Beijing (CN)
Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/773,077
Filed by CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed May 13, 2021, PCT No. PCT/CN2021/093627
§ 371(c)(1), (2) Date Apr. 29, 2022,
PCT Pub. No. WO2022/001410, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 202010621917.9 (CN), filed on Jun. 30, 2020.
Prior Publication US 2024/0147786 A1, May 2, 2024
Int. Cl. H10K 59/131 (2023.01); G09G 3/3241 (2016.01); H10K 59/121 (2023.01)
CPC G09G 3/3241 (2013.01) [H10K 59/1213 (2023.02); H10K 59/1216 (2023.02); H10K 59/131 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display substrate, having a display region and a peripheral region at least partially surrounding the display region, and comprising: a base substrate,
wherein the display region comprises a plurality of pixel units arranged in an array on the base substrate and a plurality of signal lines electrically connected with the plurality of pixel units respectively,
the peripheral region comprises at least one first electrode pattern electrically connected with at least one of the plurality of signal lines, and comprises a second electrode pattern,
the at least one first electrode pattern and the second electrode pattern are at least partially overlapped in a direction perpendicular to a substrate surface of the base substrate and are spaced apart from and insulated from each other,
the peripheral region further comprises a gate scan driving circuit configured to provide a gate scanning signal to the plurality of pixel units,
the at least one first electrode pattern and the second electrode pattern are between the gate scan driving circuit and the display region,
wherein the second electrode pattern is on a side of the at least one first electrode pattern away from the base substrate,
wherein at least one of the plurality of pixel units comprises a pixel driving circuit on the base substrate, and the pixel driving circuit comprises a thin film transistor and a storage capacitor;
the thin film transistor comprises an active layer, a gate electrode, a source electrode and a drain electrode, and the storage capacitor comprises a first capacitor electrode and a second capacitor electrode opposite to the first capacitor electrode in the direction perpendicular to the substrate surface of the base substrate;
the source electrode and the drain electrode are on a side of the active layer away from the base substrate,
the first electrode pattern, the gate electrode and the first capacitor electrode are in a same layer, and the second electrode pattern and the second capacitor electrode are in a same layer.