US 12,262,619 B2
Display panel and display device
Liangfen Zhang, Guangdong (CN)
Assigned to SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Guangdong (CN)
Appl. No. 17/758,975
Filed by SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Jul. 1, 2022, PCT No. PCT/CN2022/103405
§ 371(c)(1), (2) Date Jul. 17, 2022,
PCT Pub. No. WO2023/236296, PCT Pub. Date Dec. 14, 2023.
Claims priority of application No. 202210642017.1 (CN), filed on Jun. 7, 2022.
Prior Publication US 2024/0196696 A1, Jun. 13, 2024
Int. Cl. H10K 59/80 (2023.01); H10K 50/824 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/126 (2023.01); H10K 59/131 (2023.01)
CPC H10K 59/80522 (2023.02) [H10K 50/824 (2023.02); H10K 59/1213 (2023.02); H10K 59/122 (2023.02); H10K 59/126 (2023.02); H10K 59/131 (2023.02); H10K 59/1315 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display panel, comprising:
an array substrate comprising a substrate and a pixel driving circuit layer disposed on the substrate, wherein the pixel driving circuit layer comprises a pixel driving circuit;
a light-emitting device layer disposed on the pixel driving circuit layer and comprising a first conductive layer, an organic layer disposed on the first conductive layer, and a second conductive layer disposed on the organic layer, wherein the first conductive layer comprises a first electrode electrically connected to the pixel driving circuit, the organic layer comprises a first portion, the second conductive layer comprises a second electrode disposed on the first portion, and part of the first portion is located between the first electrode and the second electrode; and
an auxiliary structure disposed on the pixel driving circuit layer and comprising a base, an auxiliary electrode located on an outer side surface of the base, and an auxiliary portion located on the base;
wherein a cross-section of the base is trapezoidal in shape, and an edge of the second electrode close to the auxiliary portion exceeds an edge of the first portion close to the auxiliary portion and is connected to the auxiliary electrode; and
wherein the base further comprises a top surface connected to the outer side surface and disposed opposite to a bottom surface of the base, and the auxiliary electrode covers the top surface and the outer side surface.