US 12,356,838 B2
Display panel and manufacturing method thereof
Weiran Cao, Guangdong (CN); and Yunxia Li, Guangdong (CN)
Assigned to SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Guangdong (CN)
Appl. No. 17/753,058
Filed by SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Dec. 30, 2021, PCT No. PCT/CN2021/143021
§ 371(c)(1), (2) Date Feb. 16, 2022,
PCT Pub. No. WO2023/123197, PCT Pub. Date Jul. 6, 2023.
Claims priority of application No. 202111621633.0 (CN), filed on Dec. 28, 2021.
Prior Publication US 2024/0040910 A1, Feb. 1, 2024
Int. Cl. H01L 29/06 (2006.01); H01L 29/78 (2006.01); H10K 59/12 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 59/80 (2023.01)
CPC H10K 59/878 (2023.02) [H10K 59/1201 (2023.02); H10K 59/122 (2023.02); H10K 59/124 (2023.02)] 13 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a substrate;
a pixel definition layer, wherein the pixel definition layer is disposed on the substrate, the pixel definition layer is provided with a first through hole, and the first through hole penetrates the pixel definition layer; and
light-emitting layers, wherein each of the light-emitting layers is disposed in the first through hole, and an isolation layer is disposed between the light-emitting layers and the pixel definition layer;
wherein the isolation layer comprises a metal layer; and
wherein the display panel is provided with a display area and a non-display area defined around the display area, the isolation layer further comprises an oxide layer that is insulative, the oxide layer is disposed on a side of the metal layer away from the substrate, and the oxide layer is located at an end of the metal layer away from the display area, the display panel further comprises an upper electrode and an electronic function layer, the electronic function layer is disposed on the light-emitting layers and the metal layer, the upper electrode is disposed on the electronic function layer and the oxide layer, and an end of the upper electrode away from the display area is connected to the oxide layer.