US 12,312,670 B2
Mask, method of providing the same, and method of providing display panel using mask
Youngmin Moon, Yongin-si (KR); Minho Moon, Seongnam-si (KR); Seungyong Song, Suwon-si (KR); and Sungsoon Im, Suwon-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Dec. 12, 2023, as Appl. No. 18/536,907.
Application 18/536,907 is a division of application No. 18/158,679, filed on Jan. 24, 2023, granted, now 11,885,006.
Application 18/158,679 is a division of application No. 17/324,029, filed on May 18, 2021, granted, now 11,618,941, issued on Apr. 4, 2023.
Claims priority of application No. 10-2020-0110613 (KR), filed on Aug. 31, 2020.
Prior Publication US 2024/0110273 A1, Apr. 4, 2024
Int. Cl. C23C 14/04 (2006.01); B05C 21/00 (2006.01); H10K 71/00 (2023.01); H10K 71/16 (2023.01)
CPC C23C 14/042 (2013.01) [B05C 21/005 (2013.01); H10K 71/00 (2023.02); H10K 71/166 (2023.02)] 14 Claims
OG exemplary drawing
 
1. A mask assembly comprising:
a mask frame in which a first opening is defined extended through a front surface of the mask frame; and
a deposition mask which is attachable to the front surface of the mask frame and in which a plurality of second openings is defined,
wherein
the mask frame which is detached from the deposition mask includes an attachment orientation in which the front surface extends along a direction of gravity, the deposition mask which is attached to the mask frame which is in the attachment orientation is a remaining portion of an initial deposition mask attached to the mask frame which is in the attachment orientation, the remaining portion excluding a separated portion of the initial deposition mask, and
attachment of the initial deposition mask to the mask frame which is in the attachment orientation includes providing the first opening overlapping all of the second openings along the direction of gravity.