US 12,243,480 B2
Display panel and display device
Lili Du, Beijing (CN); and Weiyun Huang, Beijing (CN)
Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/997,498
Filed by CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Sep. 14, 2021, PCT No. PCT/CN2021/118279
§ 371(c)(1), (2) Date Oct. 28, 2022,
PCT Pub. No. WO2023/039721, PCT Pub. Date Mar. 23, 2023.
Prior Publication US 2024/0257731 A1, Aug. 1, 2024
Int. Cl. G09G 3/3233 (2016.01); H10K 59/121 (2023.01); H10K 59/126 (2023.01); H10K 59/131 (2023.01); H10K 59/65 (2023.01)
CPC G09G 3/3233 (2013.01) [H10K 59/1216 (2023.02); H10K 59/126 (2023.02); H10K 59/131 (2023.02); H10K 59/65 (2023.02); G09G 2300/0408 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/045 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a base substrate;
a pixel unit, located on the base substrate, comprising a pixel circuit and a light-emitting element, wherein the pixel circuit is configured to drive the light-emitting element, the pixel circuit comprises a driving transistor, a first reset transistor, and a second reset transistor, the first reset transistor is connected to the driving transistor and is configured to reset a gate electrode of the driving transistor;
a first initialization signal line, connected to a first electrode of the first reset transistor and configured to provide a first initialization signal to the pixel unit;
a first reset control signal line, connected to a gate electrode of the first reset transistor; and
a second initialization signal line, wherein a first electrode of the second reset transistor is connected to the second initialization signal line, a second electrode of the second reset transistor is connected to a first electrode of the light-emitting element, and is configured to reset the first electrode of the light-emitting element,
wherein the first initialization signal line and the second initialization signal line are located in a same layer, and are located in a different layer from the first reset control signal line,
an orthographic projection of the first reset control signal line on the base substrate is located between an orthographic projection of the first initialization signal line on the base substrate and an orthographic projection of the second initialization signal line on the base substrate,
further comprising the display panel further comprises a first power supply line and a first connection electrode, wherein the first power supply line is configured to provide a constant first voltage signal to the pixel unit, the pixel circuit further comprises a first light-emitting control transistor and a storage capacitor, a first electrode of the storage capacitor is connected to the gate electrode of the driving transistor, and a second electrode of the storage capacitor is connected to the first power supply line through the first connection electrode,
the first connection electrode is connected to a first electrode of the first light-emitting control transistor through a first via hole, and the first connection electrode is connected to the second electrode of the storage capacitor through a second via hole.