US 11,903,301 B2
Display panel with a substrate having curved surfaces
Younghoon Lee, Gwangmyeong-si (KR); Youngji Kim, Hwaseong-si (KR); Yiseul Um, Chungcheongnam-Do (KR); Wonje Jo, Ansan-si (KR); Young Seo Choi, Yongin-si (KR); and Dongwon Han, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Nov. 18, 2021, as Appl. No. 17/455,491.
Application 17/455,491 is a division of application No. 16/855,645, filed on Apr. 22, 2020, granted, now 11,205,769.
Claims priority of application No. 10-2019-0072694 (KR), filed on Jun. 19, 2019.
Prior Publication US 2022/0077437 A1, Mar. 10, 2022
Int. Cl. H10K 71/00 (2023.01); H10K 50/844 (2023.01); H10K 59/12 (2023.01); H10K 71/80 (2023.01)
CPC H10K 71/00 (2023.02) [H10K 50/844 (2023.02); H10K 59/12 (2023.02); H10K 71/80 (2023.02); H10K 71/851 (2023.02)] 4 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a base substrate that includes a front surface and a rear surface, wherein each of the front surface and rear surface is parallel to a plane defined by a first direction and a second direction wherein the second direction crosses the first direction;
a light emitting element layer disposed on the front surface of the base substrate; and
an encapsulation layer that covers the light emitting element layer,
wherein an edge of the base substrate includes:
a first straight portion that extends in the first direction and a second straight portion that extends in the second direction, wherein each of the first straight portion and the second straight portion extends in a straight line; and
a curved-shaped portion that connects the first straight portion and the second straight portion, wherein the curved shaped portion includes at least one curved-surface-shaped portion that has a curved shape, wherein the at least one curved-surface-shaped portion includes:
a first curved-line surface formed in art edge of the front surface of the base substrate, wherein the first curved-line surface connects the front surface to a flat side surface of the base substrate; and
a second curved-line surface formed in an edge of the rear surface of the base substrate, wherein the second curved-line surface connects the flat side surface to the rear surface of the base substrate.