US 12,016,239 B2
Mask and method of manufacturing the same
Seil Kim, Hwaseong-si (KR); Euigyu Kim, Suwon-si (KR); Kwanhee Lee, Hwaseong-si (KR); Sang Min Yi, Suwon-si (KR); Junhyeuk Ko, Yongin-si (KR); and Seungju Hong, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Mar. 21, 2023, as Appl. No. 18/187,033.
Application 18/187,033 is a continuation of application No. 17/231,652, filed on Apr. 15, 2021, granted, now 11,616,198.
Claims priority of application No. 10-2020-0089131 (KR), filed on Jul. 17, 2020.
Prior Publication US 2023/0225179 A1, Jul. 13, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B05C 21/00 (2006.01); C23C 14/04 (2006.01); H10K 71/00 (2023.01); H10K 71/16 (2023.01)
CPC H10K 71/166 (2023.02) [B05C 21/005 (2013.01); C23C 14/042 (2013.01); H10K 71/00 (2023.02); H10K 71/164 (2023.02)] 13 Claims
OG exemplary drawing
 
1. A mask, comprising:
a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction, wherein the first long side is longer than the first short side, wherein the first mask includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction; and
a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction, wherein the second long side is longer than the second short side, wherein the second mask includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction,
wherein the first welded portion is in contact with the second welded portion,
wherein the first welded portion includes a first concave-convex portion that has an oscillating shape in a plane, the second welded portion includes a second concave-convex portion that has an oscillating shape in a plane, and the first concave-convex portion is engaged with the second concave-convex portion.