US 12,446,420 B2
Display device and method of manufacturing the same
Youngrok Kim, Yongin-si (KR); Kyu-Soon Park, Yongin-si (KR); and Jong-Hyun Choung, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Mar. 21, 2023, as Appl. No. 18/123,987.
Claims priority of application No. 10-2022-0099640 (KR), filed on Aug. 10, 2022.
Prior Publication US 2024/0057409 A1, Feb. 15, 2024
Int. Cl. H10K 59/131 (2023.01); H10K 59/12 (2023.01); H10K 59/123 (2023.01); H10K 59/88 (2023.01); H10K 71/00 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 59/1201 (2023.02); H10K 59/123 (2023.02); H10K 59/88 (2023.02); H10K 71/00 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a thin film transistor disposed on the substrate;
a power line disposed on the substrate and including a first conductive layer and a second conductive layer having a protrusion part spaced apart from an upper surface of the first conductive layer;
a pixel electrode disposed on the substrate and electrically connected to the thin film transistor;
an emission layer disposed on the pixel electrode;
a common electrode disposed on the emission layer and contacting the power line; and
dummy electrodes disposed on the same layer as the power line and including the same material as the pixel electrode.