US 12,456,423 B2
Display panel and device with metal signal lines in display region overlapped with optical sensor
Changchang Liu, Beijing (CN); and Yang Yao, Beijing (CN)
Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan (CN); and BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., Beijing (CN)
Appl. No. 18/293,776
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed May 10, 2023, PCT No. PCT/CN2023/093137
§ 371(c)(1), (2) Date Jan. 31, 2024,
PCT Pub. No. WO2024/229727, PCT Pub. Date Nov. 14, 2024.
Prior Publication US 2025/0124860 A1, Apr. 17, 2025
Int. Cl. G09G 3/32 (2016.01); G09G 3/3233 (2016.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01); H10K 59/65 (2023.01)
CPC G09G 3/3233 (2013.01) [H10K 59/1213 (2023.02); H10K 59/131 (2023.02); H10K 59/65 (2023.02); G09G 2300/0426 (2013.01); G09G 2300/0452 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a base substrate provided with a first display region, wherein the first display region comprises a plurality of pixel circuit regions and a light-transmitting region;
a plurality of pixel circuit groups disposed in the plurality of pixel circuit regions, wherein each pixel circuit group comprises a plurality of pixel circuits and first signal lines of a plurality of types connected to the plurality of pixel circuits, a minimum distance between adjacent pixel circuit groups is greater than a minimum distance between adjacent pixel circuits in the pixel circuit group, the first signal lines of some types in the first signal lines of the plurality of types comprise metal signal lines, the first signal lines of other types comprise transparent signal lines, and at least part of line segments in the first signal lines of the plurality of types are disposed in the light-transmitting region; and
a plurality of light-emitting units disposed in the first display region, wherein the plurality of pixel circuit groups is configured to drive the plurality of light-emitting units to emit light, and orthographic projections of at least part of the plurality of light-emitting units onto the base substrate are overlapped with orthographic projections, onto the base substrate, of the at least part of line segments in the first signal lines of the plurality of types disposed in the light-transmitting region,
wherein the base substrate is further provided with a second display region adjacent to the first display region;
the display panel further comprises second signal lines of a plurality of types disposed in the second display region; and
for each type of a first reset signal line, a second reset signal line, a first reset power supply line, a second reset power supply line, a third reset power supply line, a first gate signal line, a second gate signal line, a data signal line, a light emission control signal line and a driving power supply line, at least one end of each second signal line of the type is connected to the first signal line of the type, wherein the second signal line is a metal signal line, and a width of the metal signal line comprised in the first signal line is less than a width of the second signal line.