US 12,356,814 B2
Display panel, display device
Kunyan Shi, Beijing (CN); Hailong Yan, Beijing (CN); Dongjie Wu, Beijing (CN); Wenbo Hu, Beijing (CN); Xinyu Wei, Beijing (CN); Kai Zhang, Beijing (CN); and Peng Xu, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/914,746
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Sep. 23, 2021, PCT No. PCT/CN2021/120004
§ 371(c)(1), (2) Date Sep. 26, 2022,
PCT Pub. No. WO2023/044682, PCT Pub. Date Mar. 30, 2023.
Prior Publication US 2024/0397761 A1, Nov. 28, 2024
Int. Cl. H10K 59/131 (2023.01); G09G 3/3225 (2016.01); H10K 59/121 (2023.01)
CPC H10K 59/131 (2023.02) [G09G 3/3225 (2013.01); H10K 59/1213 (2023.02); G09G 2300/0426 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0257 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display panel, wherein the display panel comprises a pixel driving circuit, the pixel driving circuit comprises a driving transistor and an eighth transistor, a first terminal of the eighth transistor is connected to a first terminal of the driving transistor, a second terminal of the eighth transistor is connected to a third initial signal line, and the display panel further comprises:
a base substrate;
a first active layer, located on a side of the base substrate, wherein the first active layer comprises an eighth active portion, a second active portion, a ninth active portion, a tenth active portion, and an eleventh active portion, the eighth active portion is connected between the ninth active portion and the tenth active portion, the eleventh active portion is connected to a side of the second active portion, the eighth active portion is used to form a channel region of the eighth transistor, the second active portion is used to form a channel region of the driving transistor, and the ninth active portion is electrically connected to the eleventh active portion;
a first conductive layer, located on a side of the first active layer away from the base substrate, wherein the first conductive layer comprises a first reset signal line and a first conductive portion, an orthographic projection on the base substrate of the first reset signal line extends along a first direction and covers an orthographic projection on the base substrate of the eighth active portion, a partial structure of the first reset signal line is used to form a gate of the eighth transistor, an orthographic projection on the base substrate of the first conductive portion covers an orthographic projection on the base substrate of the second active portion, and the first conductive portion is used to form a gate of the driving transistor; and
the third initial signal line, electrically connected to the tenth active portion.