US 11,683,951 B2
Display panel and display device
Kyungmin Kim, Yongin-si (KR); Junhyeong Park, Yongin-si (KR); Jaemin Shin, Yongin-si (KR); and Byeonghee Won, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Jun. 4, 2021, as Appl. No. 17/339,866.
Claims priority of application No. 10-2020-0117774 (KR), filed on Sep. 14, 2020.
Prior Publication US 2022/0085327 A1, Mar. 17, 2022
Int. Cl. H10K 50/844 (2023.01); H01L 51/52 (2006.01)
CPC H01L 51/5253 (2013.01) 21 Claims
OG exemplary drawing
 
1. A display panel comprising:
a substrate comprising:
a front display area;
a first side display area connected to the front display area in a first direction;
a second side display area connected to the front display area in a second direction crossing the first direction;
a corner display area arranged between the first side display area and the second side display area, the corner display area surrounding the front display area; and
an intermediate display area arranged between the front display area and the corner display area;
an intermediate display element arranged in the intermediate display area and comprising a pixel electrode;
a lower layer arranged between the substrate and the pixel electrode, the lower layer comprising a groove concave in a thickness direction of the substrate; and
a dam portion on the lower layer, extending to define a boundary between the intermediate display area and the corner display area, and protruding in the thickness direction of the substrate,
wherein the groove comprises a first groove and a second groove, the first groove extending in parallel with the dam portion, and the second groove extending in a direction crossing a direction in which the dam portion extends in the intermediate display area.