US 11,910,681 B2
Display apparatus
Yoonsun Choi, Hwaseong-si (KR); and Seong Ryong 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. 27, 2022, as Appl. No. 17/974,907.
Application 17/974,907 is a continuation of application No. 16/549,515, filed on Aug. 23, 2019, granted, now 11,552,160.
Claims priority of application No. 10-2018-0107765 (KR), filed on Sep. 10, 2018.
Prior Publication US 2023/0053163 A1, Feb. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 59/13 (2023.01); H10K 59/131 (2023.01); H10K 50/844 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 59/121 (2023.01); G09G 3/3233 (2016.01)
CPC H10K 59/1315 (2023.02) [H10K 50/844 (2023.02); H10K 59/122 (2023.02); H10K 59/124 (2023.02); H10K 59/1213 (2023.02); G09G 3/3233 (2013.01); G09G 2300/0809 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a substrate;
a first-layer power supply line disposed on the substrate in a peripheral area which does not display an image, the peripheral area surrounds a display area in which an image is displayed;
a second-layer power supply line disposed only in the peripheral area and disposed on the first-layer power supply line, and contacting the first-layer power supply line; and
a light emitting structure comprising a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer and electrically connected to the second-layer power supply line,
wherein the first-layer power supply line and the second-layer power supply line supply a power voltage to the second electrode which acts as a cathode of the light emitting structure.