US 12,356,715 B2
Display panel
Jeongho Lee, Yongin-si (KR); Swaehyun Kim, Yongin-si (KR); Hun Kim, Yongin-si (KR); and Youhan Moon, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Feb. 6, 2024, as Appl. No. 18/433,751.
Application 18/433,751 is a continuation of application No. 17/407,455, filed on Aug. 20, 2021, granted, now 11,930,659.
Claims priority of application No. 10-2020-0177818 (KR), filed on Dec. 17, 2020.
Prior Publication US 2024/0179941 A1, May 30, 2024
Int. Cl. H01L 27/12 (2006.01); H10D 30/67 (2025.01); H10D 86/40 (2025.01); H10D 86/60 (2025.01); H10K 50/844 (2023.01); H10K 59/121 (2023.01); H10K 59/80 (2023.01); H10K 59/131 (2023.01); H10K 59/88 (2023.01)
CPC H10D 86/423 (2025.01) [H10D 30/6755 (2025.01); H10D 86/441 (2025.01); H10D 86/60 (2025.01); H10K 50/844 (2023.02); H10K 59/1213 (2023.02); H10K 59/8731 (2023.02); H10K 59/131 (2023.02); H10K 59/88 (2023.02)] 24 Claims
OG exemplary drawing
 
1. A display panel comprising:
a substrate having an opening defined therein;
a plurality of thin-film transistors on the substrate in a display area, the display area surrounding the opening of the substrate in a plan view;
a plurality of light-emitting diodes in the display area and electrically connected to the plurality of thin-film transistors, wherein one of the plurality of light-emitting diodes includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode;
an encapsulation layer on the plurality of light-emitting diodes in the display area, the encapsulation layer comprising at least one inorganic encapsulation layer and an organic encapsulation layer;
at least one inorganic insulating layer on the substrate in a non-display area between the opening of the substrate and the display area;
a first organic insulating layer on the thin-film transistor in the display area and on the at least one inorganic insulating layer in the non-display area;
a plurality of grooves defined in the first organic insulating layer in the non-display area;
a first metal pattern layer including a first tip directly on the first organic insulating layer and protruding over a first groove of the plurality of grooves; and
at least one organic layer between the first electrode and the second electrode in the display area, wherein the least one organic layer extends to the non-display area and is separated into a plurality of portions by the first tip,
wherein a first tip of the first metal pattern layer has a structure including a titanium layer, an aluminum layer, and another titanium layer stacked on each other.