US 12,245,476 B2
Display device
Jaeik Kim, Yongin-si (KR); Hyejin Gwark, Yongin-si (KR); Arong Kim, Yongin-si (KR); Jungsun Park, Yongin-si (KR); Heemin Park, Yongin-si (KR); Yeonhwa Lee, Yongin-si (KR); Joongu Lee, Yongin-si (KR); and Kyuhwan Hwang, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on May 5, 2022, as Appl. No. 17/737,132.
Claims priority of application No. 10-2021-0124258 (KR), filed on Sep. 16, 2021.
Prior Publication US 2023/0078043 A1, Mar. 16, 2023
Int. Cl. H10K 59/13 (2023.01); H10K 59/122 (2023.01); H10K 59/131 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 59/122 (2023.02)] 21 Claims
OG exemplary drawing
 
1. A display device comprising:
an auxiliary wiring located on a substrate;
an insulating layer arranged on the auxiliary wiring, overlapping the auxiliary wiring in a plan view, and comprising an opening having a width greater than a width of the auxiliary wiring;
a first electrode located on the insulating layer;
a bank layer comprising an emission opening that overlaps the first electrode in the plan view;
an intermediate layer overlapping the first electrode through the emission opening in the plan view and comprising an emission layer;
a second electrode located on the intermediate layer; and
an auxiliary layer arranged on the second electrode, wherein
the auxiliary wiring comprises sub-layers, and
each of the second electrode and the auxiliary layer contacts a side surface of one of the sub-layers through the opening of the insulating layer.