US 11,943,974 B2
Display panel
Jongbaek Seon, Yongin-si (KR); Jaehak Lee, Yongin-si (KR); Juncheol Shin, Yongin-si (KR); Kyungchan Chae, Yongin-si (KR); and Jieun Choi, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Feb. 17, 2022, as Appl. No. 17/674,602.
Application 17/674,602 is a continuation of application No. 16/823,224, filed on Mar. 18, 2020, granted, now 11,348,985.
Claims priority of application No. 10-2019-0073101 (KR), filed on Jun. 19, 2019.
Prior Publication US 2022/0173187 A1, Jun. 2, 2022
Int. Cl. H01L 27/32 (2006.01); H10K 50/84 (2023.01); H10K 59/122 (2023.01); H10K 59/123 (2023.01); H10K 59/124 (2023.01); H10K 59/131 (2023.01); H10K 71/00 (2023.01); H10K 102/00 (2023.01)
CPC H10K 59/124 (2023.02) [H10K 50/84 (2023.02); H10K 59/122 (2023.02); H10K 59/123 (2023.02); H10K 59/131 (2023.02); H10K 71/00 (2023.02); H10K 2102/00 (2023.02)] 21 Claims
OG exemplary drawing
 
1. A display panel comprising:
a substrate comprising a first area, a second area, and a third area between the first area and the second area;
a buffer layer on the substrate;
a transistor on the buffer layer, the transistor being located in the second area;
a stack structure in the second area, the stack structure comprising a pixel electrode electrically connected to the transistor, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode;
an encapsulation layer located on the stack structure and comprising at least one inorganic encapsulation layer and an organic encapsulation layer;
at least one partition wall in the third area; and
a plurality of grooves in the third area,
wherein the plurality of grooves comprise a first groove, and a bottom surface of the first groove is located above an upper surface of the buffer layer.