US 12,168,823 B2
Mask assembly, mask manufactured using the same, and method of manufacturing display panel
Youngmin Moon, Yongin-si (KR); Minho Moon, Seongnam-si (KR); Sungsoon Im, Suwon-si (KR); Junho Jo, Seoul (KR); and Seungyong Song, Suwon-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Mar. 30, 2021, as Appl. No. 17/217,489.
Claims priority of application No. 10-2020-0083478 (KR), filed on Jul. 7, 2020.
Prior Publication US 2022/0010421 A1, Jan. 13, 2022
Int. Cl. H10K 71/16 (2023.01); C23C 14/04 (2006.01); H10K 71/00 (2023.01); C23C 14/24 (2006.01)
CPC C23C 14/042 (2013.01) [H10K 71/00 (2023.02); H10K 71/166 (2023.02); C23C 14/24 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A mask assembly comprising:
a mask frame through which a plurality of cell openings is defined; and
a plurality of cell masks disposed to respectively correspond to the cell openings,
wherein each of the cell masks comprises:
a mask main body substantially parallel to a plane defined by a first direction and a second direction crossing the first direction, wherein a plurality of holes is defined through the mask main body;
a bonding portion disposed along an edge of the mask main body, wherein at least a portion of the bonding portion has a thickness smaller than a thickness of the mask main body; and
a tensile portion extending from the bonding portion and disposed spaced apart from the mask main body,
wherein the tensile portion comprises:
first tensile portions spaced apart from each other in the first direction and disposed at opposite sides of the mask main body, respectively; and
second tensile portions spaced apart from each other in the second direction and disposed at other opposite sides of the mask main body, respectively.