US 12,089,442 B2
Display device
Daegeun Lee, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Oct. 19, 2021, as Appl. No. 17/505,571.
Claims priority of application No. 10-2021-0006829 (KR), filed on Jan. 18, 2021.
Prior Publication US 2022/0231092 A1, Jul. 21, 2022
Int. Cl. H10K 59/121 (2023.01); H10K 50/84 (2023.01); H10K 59/40 (2023.01)
CPC H10K 59/121 (2023.02) [H10K 50/84 (2023.02); H10K 59/40 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate including a display area and a pad area;
a pixel structure disposed on the display area;
a pixel insulating layer disposed on the pad area and having a first opening; and
a pad electrode structure including a signal electrode disposed in the first opening, a connection electrode disposed on the signal electrode, and a pad electrode disposed on the connection electrode,
wherein an upper surface and a side surface of the signal electrode come into direct-contact with a lower surface of the connection electrode, and
an upper surface and a side surface of the connection electrode come into direct-contact with a lower surface of the pad electrode,
wherein the connection electrode completely covers the upper surface and the side surface of the signal electrode.