US 12,232,375 B2
Display panel and method for manufacturing same, and display apparatus
Weiyun Huang, Beijing (CN); Yuanyou Qiu, Beijing (CN); Yao Huang, Beijing (CN); Tianyi Cheng, Beijing (CN); Yue Long, Beijing (CN); and Meng Zhao, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Sep. 17, 2021, as Appl. No. 17/478,122.
Claims priority of application No. 202011041108.7 (CN), filed on Sep. 28, 2020.
Prior Publication US 2022/0102472 A1, Mar. 31, 2022
Int. Cl. H10K 59/131 (2023.01); H10K 50/84 (2023.01); H10K 59/122 (2023.01); H10K 59/65 (2023.01); H10K 71/00 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 50/84 (2023.02); H10K 59/122 (2023.02); H10K 59/65 (2023.02); H10K 71/00 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display panel, comprising a substrate and a light-emitting structure layer, wherein the light-emitting structure layer comprises a plurality of OLED devices distributed on the substrate; each OLED device has a light-emitting structure which comprises an anode layer, a light-emitting layer and a cathode layer that are sequentially stacked on the substrate; the cathode layer has a patterned area; the patterned area of the cathode layer comprises a plurality of cathode structures which are spaced apart from each other; an orthographic projection of each of the cathode structures onto the substrate covers an orthographic projection of the light-emitting structure of at least one of the OLED devices onto the substrate; and
wherein the patterned area is located in a light-transmitting display area of the display panel;
a display area of the display panel comprises a first display area, a second display area, and a third display area, the first display area surrounding the second display area and the third display area surrounding the first display area; the second display area is disposed directly opposite to a camera under panel; and the patterned area is located in the second display area; and
the first display area comprises a first pixel unit and a second pixel unit, wherein the first pixel unit comprises a first pixel circuit, and the second pixel unit comprises a second pixel circuit and a first OLED device; the second display area comprises a third pixel unit which comprises a second OLED device, wherein one of the plurality of cathode structures covers at least one second OLED device; and the display panel further comprises:
a plurality of third wirings configured to connect the first pixel circuit to the second OLED device corresponding to the first pixel circuit.