US 12,268,056 B2
Display panel with pixel definition layer having depression structure and display device including the display panel
Bowen Yang, Beijing (CN); Beicih Huang, Beijing (CN); Chengguo An, Beijing (CN); Xiaodong Yang, Beijing (CN); Junjiao Chen, Beijing (CN); Yubin Song, Beijing (CN); and Fei Xie, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/764,407
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed May 28, 2021, PCT No. PCT/CN2021/096786
§ 371(c)(1), (2) Date Mar. 28, 2022,
PCT Pub. No. WO2021/258996, PCT Pub. Date Dec. 30, 2021.
Claims priority of application No. 202010584818.8 (CN), filed on Jun. 24, 2020.
Prior Publication US 2023/0329039 A1, Oct. 12, 2023
Int. Cl. H10K 59/12 (2023.01); H10K 59/122 (2023.01); H10K 59/173 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 59/173 (2023.02)] 17 Claims
OG exemplary drawing
 
1. A display panel, comprising: an array substrate, a first electrode layer, a pixel definition layer, and a luminescent material layer laminated one on another;
wherein the pixel definition layer includes a first portion and a second portion, the first portion corresponds to and is arranged in an active area of the display panel, the second portion surrounds the first portion, a depression structure is arranged in the second portion, and an opening of the depression structure is oriented to a side of the pixel definition layer away from the array substrate;
wherein the depression structure surrounds the first portion and is in contact with the first portion.