US 12,268,067 B2
Display device and method of manufacturing the same
Young Dae Kim, Seoul (KR); Jin Seock Kim, Seongnam-si (KR); and Sang Jin Park, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Appl. No. 17/776,215
Filed by Samsung Display Co., LTD., Yongin-si (KR)
PCT Filed May 15, 2020, PCT No. PCT/KR2020/006420
§ 371(c)(1), (2) Date May 11, 2022,
PCT Pub. No. WO2021/096011, PCT Pub. Date May 20, 2021.
Claims priority of application No. 10-2019-0144282 (KR), filed on Nov. 12, 2019.
Prior Publication US 2022/0399431 A1, Dec. 15, 2022
Int. Cl. H01L 33/00 (2010.01); H10K 59/131 (2023.01); H10K 71/00 (2023.01); H10K 59/12 (2023.01); H10K 59/88 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 71/00 (2023.02); H10K 59/1201 (2023.02); H10K 59/88 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A display device, comprising:
a substrate having a display area and a peripheral area;
a pixel disposed on the substrate in the display area, the pixel comprising a pixel circuit, a pixel electrode electrically connected to the pixel circuit, an emission layer disposed on the pixel electrode, and an opposite electrode disposed on the emission layer;
a power supply line disposed on the substrate in the peripheral area supply a power voltage to the pixel;
an insulating layer covering the pixel circuit and the power supply line, the insulating layer having an opening exposing at least a portion of the power supply line; and
a dummy pattern comprising a same material as the pixel electrode, the dummy pattern covering a sidewall of the power supply line exposed by the opening of the insulating layer.