US 12,477,903 B2
Display device and manufacturing method of the same
Oh June Kwon, Hwaseong-si (KR); and Jeong Seok Lee, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Oct. 14, 2022, as Appl. No. 17/965,926.
Claims priority of application No. 10-2022-0002743 (KR), filed on Jan. 7, 2022.
Prior Publication US 2023/0255062 A1, Aug. 10, 2023
Int. Cl. H10K 59/122 (2023.01); H10K 50/844 (2023.01); H10K 59/12 (2023.01); H10K 59/35 (2023.01); H10K 71/00 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 50/844 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02); H10K 59/351 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a first electrode disposed on the substrate;
a bank layer including a pixel defining layer, through which an opening exposing at least a portion of the first electrode is defined, and a spacer group including a plurality of spacers disposed on the pixel defining layer;
a light emitting layer disposed in the opening; and
a first encapsulation layer covering the light emitting layer and the bank layer,
wherein the bank layer includes a raised portion disposed between the plurality of spacers in the spacer group, and a depression portion disposed in a lower region of an opposite side surface opposite to another spacer of the spacer group among side surfaces of each spacer in the spacer group,
the raised portion has a curved surface having a convex shape,
the first encapsulation layer disposed on the curved surface of the raised portion of the bank layer includes a top surface and a bottom surface opposite to the top surface, wherein the top surface has a greater curvature than a curvature of the bottom surface, and
the first encapsulation layer includes a first portion disposed on the depression portion and a second portion disposed on the side surface of the spacer, wherein at least a portion of the second portion is positioned outward from the first portion.