US 12,446,380 B2
Light-emitting display device
Sun Kwang Kim, Seoul (KR); Shin Moon Kang, Seoul (KR); Young Hoon Yoo, Asan-si (KR); and Kye Uk Lee, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jan. 23, 2023, as Appl. No. 18/100,169.
Claims priority of application No. 10-2022-0013641 (KR), filed on Jan. 28, 2022.
Prior Publication US 2023/0246151 A1, Aug. 3, 2023
Int. Cl. H10H 20/857 (2025.01); H10H 20/831 (2025.01)
CPC H10H 20/857 (2025.01) [H10H 20/8312 (2025.01)] 20 Claims
OG exemplary drawing
 
1. A light-emitting display device comprising:
a substrate;
a common voltage line which is disposed on the substrate and transmits a common voltage;
a first organic insulating layer which is disposed on the common voltage line and in which a first opening is defined;
a connecting electrode disposed on the first organic insulating layer and connected to the common voltage line;
a second organic insulating layer which is disposed on the first organic insulating layer and in which a second opening overlapping the first opening is defined;
a light-emitting layer which is disposed on the connecting electrode and the second organic insulating layer and in which a contact hole overlapping the first opening and the second opening is defined; and
a common electrode disposed on the light-emitting layer and connected to the connecting electrode through the contact hole.