US 11,856,817 B2
Display device and method of manufacturing the same
Yong-Je Jeon, Yongin-si (KR); Min Woo Woo, Seoul (KR); and Wangwoo Lee, Osan-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Oct. 13, 2021, as Appl. No. 17/500,856.
Application 17/500,856 is a continuation of application No. 16/741,623, filed on Jan. 13, 2020, granted, now 11,171,192.
Claims priority of application No. 10-2019-0032957 (KR), filed on Mar. 22, 2019.
Prior Publication US 2022/0069046 A1, Mar. 3, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 27/32 (2006.01); H10K 59/121 (2023.01); H10K 71/00 (2023.01); H10K 77/10 (2023.01); H01L 49/02 (2006.01); H01L 27/12 (2006.01); H10K 59/12 (2023.01)
CPC H10K 59/1213 (2023.02) [H10K 59/1216 (2023.02); H10K 71/00 (2023.02); H10K 77/10 (2023.02); H01L 27/1255 (2013.01); H01L 27/1259 (2013.01); H01L 28/60 (2013.01); H10K 59/1201 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
an organic light emitting layer overlapping the substrate; and
an insulating layer positioned between the substrate and the organic light emitting layer,
wherein a first through hole is formed through the organic light emitting layer, the insulating layer, and the substrate,
wherein an undercut-groove is formed through the organic light emitting layer and the insulating layer near the first through hole, and
wherein the undercut-groove comprises a first groove that surrounds the first through hole in a plan view of the display device and a first undercut that surrounds the first groove in the plan view of the display device.