US 12,302,712 B2
Display panel and display device
Fudong Chen, Beijing (CN); Huajie Yan, Beijing (CN); Qingyu Huang, Beijing (CN); and Zhiqiang Jiao, Beijing (CN)
Assigned to BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/768,830
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jun. 17, 2021, PCT No. PCT/CN2021/100548
§ 371(c)(1), (2) Date Apr. 13, 2022,
PCT Pub. No. WO2021/259123, PCT Pub. Date Dec. 30, 2021.
Claims priority of application No. 202010574744.X (CN), filed on Jun. 22, 2020.
Prior Publication US 2024/0107823 A1, Mar. 28, 2024
Int. Cl. H10K 59/124 (2023.01); H10K 59/12 (2023.01); H10K 59/122 (2023.01); H10K 59/35 (2023.01); H10K 102/00 (2023.01)
CPC H10K 59/124 (2023.02) [H10K 59/1201 (2023.02); H10K 59/122 (2023.02); H10K 59/353 (2023.02); H10K 2102/3026 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A display panel, comprising a substrate, wherein a plurality of pixel units is arranged at a side of the substrate, each pixel unit comprises a first electrode layer, a first light-emitting layer, a second electrode layer, a second light-emitting layer, a third electrode layer, a third light-emitting layer and a fourth electrode layer laminated one on another, the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer emit light in different colors, the first light-emitting layer and the second light-emitting layer share the second electrode layer, and the second light-emitting layer and the third light-emitting layer share the third electrode layer;
wherein a first insulation layer is further arranged between the second electrode layer and the third electrode layer, and the second light-emitting layer is arranged in a second aperture defined by the first insulation layer and on a part of a surface of the first insulation layer;
wherein a second insulation layer is further arranged between the third electrode layer and the fourth electrode layer, and the third light-emitting layer is arranged in a third aperture defined by the second insulation layer and on a part of a surface of the second insulation layer.