US 12,471,444 B2
Display panel and display device
Tinghua Shang, Beijing (CN); Fan He, Beijing (CN); and Hongwei Ma, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and Beijing BOE Technology Development Co., Ltd., Beijing (CN)
Appl. No. 18/034,531
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Dec. 9, 2020, PCT No. PCT/CN2020/134849
§ 371(c)(1), (2) Date Apr. 28, 2023,
PCT Pub. No. WO2022/120627, PCT Pub. Date Jun. 16, 2022.
Prior Publication US 2025/0081762 A1, Mar. 6, 2025
Int. Cl. H10K 59/121 (2023.01); G06F 3/041 (2006.01); H10K 59/131 (2023.01); H10K 59/40 (2023.01); H10K 59/88 (2023.01); H10K 59/65 (2023.01); H10K 59/80 (2023.01); H10K 102/00 (2023.01)
CPC H10K 59/1213 (2023.02) [G06F 3/04164 (2019.05); H10K 59/131 (2023.02); H10K 59/40 (2023.02); H10K 59/88 (2023.02); H10K 59/65 (2023.02); H10K 59/873 (2023.02); H10K 2102/341 (2023.02)] 14 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a display area, used for image display and comprising:
at least one through hole; and
an annular non-display area, located between the through hole and the display area enclosing the through hole and comprising:
at least two annular blocking dams;
wherein the annular blocking dams enclose the through hole and are mutually nested, and adjacent annular blocking dams are spaced at a predetermined distance;
a through-hole crack detecting line, configured to perform crack detection on an edge of the through hole and comprising:
an input wiring portion,
an output wiring portion, and
a winding portion,
wherein the input wiring portion and the output wiring portion are connected through the winding portion, the input wiring portion and the output wiring portion extend to the display area, and the winding portion is around the edge of the through hole; and
a connecting portion between the annular blocking dams and connecting some areas of the annular blocking dams.