US 12,225,790 B2
Organic light emitting diode display and manufacturing method thereof
Chun Gi You, Anyang-si (KR); and Gwang Geun Lee, Anyang-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Sep. 16, 2022, as Appl. No. 17/946,043.
Application 16/372,246 is a division of application No. 15/014,570, filed on Feb. 3, 2016, granted, now 10,276,644, issued on Apr. 30, 2019.
Application 17/946,043 is a continuation of application No. 17/026,991, filed on Sep. 21, 2020, granted, now 11,450,728.
Application 17/026,991 is a continuation of application No. 16/372,246, filed on Apr. 1, 2019, granted, now 10,811,487, issued on Oct. 20, 2020.
Claims priority of application No. 10-2015-0114903 (KR), filed on Aug. 13, 2015.
Prior Publication US 2023/0073879 A1, Mar. 9, 2023
Int. Cl. H01L 27/12 (2006.01); H01L 29/49 (2006.01); H01L 29/786 (2006.01); H10K 59/121 (2023.01); H10K 59/124 (2023.01); H10K 59/131 (2023.01); H10K 50/842 (2023.01)
CPC H10K 59/131 (2023.02) [H01L 29/4908 (2013.01); H01L 29/78606 (2013.01); H10K 59/1213 (2023.02); H10K 59/124 (2023.02); H10K 59/1315 (2023.02); H01L 27/1237 (2013.01); H01L 27/124 (2013.01); H01L 27/1255 (2013.01); H01L 27/1259 (2013.01); H10K 50/8428 (2023.02)] 14 Claims
OG exemplary drawing
 
1. A display device, comprising:
a substrate;
a semiconductor layer disposed on the substrate;
a gate electrode overlapping the semiconductor layer;
a voltage line disposed on the substrate and on a same layer as the gate electrode;
a gate electrode anti-oxidation layer disposed on the gate electrode;
a voltage line anti-oxidation layer disposed on the voltage line;
a first insulating layer disposed on the semiconductor layer, the gate electrode, the voltage line, the gate electrode anti-oxidation layer, and the voltage line anti-oxidation layer;
a source electrode and a drain electrode disposed on the first insulating layer;
a voltage applying electrode disposed on the first insulating layer;
a second insulating layer disposed on the source electrode and the drain electrode;
a pixel electrode disposed on the second insulating layer and connected to the drain electrode;
a third insulating layer disposed on an edge of the pixel electrode and exposing the pixel electrode;
an organic emission layer disposed on the exposed pixel electrode; and
a common electrode disposed on the organic emission layer and the third insulating layer,
wherein:
the voltage applying electrode is connected to the voltage line through a first contact hole formed in the first insulating layer,
the first insulating layer is disposed between the voltage line anti-oxidation layer and the voltage applying electrode.