US 12,336,417 B2
Display panels, and preparation methods thereof and display apparatuses
Yuqun Lu, Beijing (CN); Jie Li, Beijing (CN); Yang Yu, Beijing (CN); Chuntong Jiang, Beijing (CN); Teng Chen, Beijing (CN); Lingling Wang, Beijing (CN); and Wenqiang Wang, Beijing (CN)
Assigned to Chongqing BOE Display Technology Co., Ltd., Chongqing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed by Chongqing BOE Display Technology Co., Ltd., Chongqing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Jun. 25, 2021, as Appl. No. 17/359,452.
Claims priority of application No. 202011240168.1 (CN), filed on Nov. 9, 2020.
Prior Publication US 2022/0149122 A1, May 12, 2022
Int. Cl. H10K 50/84 (2023.01); H10D 86/00 (2025.01); H10K 59/122 (2023.01); H10K 59/65 (2023.01); H10K 71/00 (2023.01); H10K 59/80 (2023.01)
CPC H10K 59/65 (2023.02) [H10K 50/84 (2023.02); H10K 59/122 (2023.02); H10K 71/00 (2023.02); H10K 59/8731 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a substrate, wherein the substrate comprises an off-screen camera region comprising a plurality of opening regions;
a flexible layer, located at a side of the substrate and provided with a plurality of through holes whose orthographic projections on the substrate coincide with the opening regions so that an orthographic projection of the flexible layer on the substrate is not overlapped with the opening regions, wherein the flexible layer is further provided with a plurality of blind holes that do not completely penetrate the flexible layer and orthographic projections of the plurality of blind holes on the substrate are in the off-screen camera region and not overlapped with the opening regions;
a backplate layer, located at a side of the flexible layer away from the substrate and comprising a plurality of light-transmitting film layers, wherein at least one light-transmitting film layer of the plurality of light-transmitting film layers fully covers the through holes and also covers at least part of a display region of the display panel apart from the through holes and thickness of part of the at least one light-transmitting film layer that fully covers the through holes is basically uniform; wherein the part of the at least one light-transmitting film layer that fully covers the through holes is separated by at least the blind holes from part of the at least one light-transmitting film layer that covers at least part of the display region of the display panel apart from the through holes, and
a light-emitting device layer, located at a side of the backplate layer away from the substrate and comprising a plurality of cathodes, wherein orthographic projections of the cathodes on the substrate are not overlapped with the opening regions.