US 11,859,276 B2
Mask frame and method of manufacturing the same
Jongyoon Lee, Hanam-si (KR); and Seungjin Lee, Suwon-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Nov. 16, 2021, as Appl. No. 17/528,123.
Claims priority of application No. 10-2020-0180082 (KR), filed on Dec. 21, 2020.
Prior Publication US 2022/0195592 A1, Jun. 23, 2022
Int. Cl. C23C 16/04 (2006.01); C23C 14/04 (2006.01); B05C 21/00 (2006.01)
CPC C23C 16/042 (2013.01) [B05C 21/005 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A mask frame comprising:
a first horizontal portion;
a second horizontal portion disposed under the first horizontal portion;
at least one vertical portion connecting the first horizontal portion and the second horizontal portion; and
a tensile bar coupled to the first horizontal portion, and
wherein the tensile bar is configured to apply a contraction force to the first horizontal portion in a longitudinal direction of the tensile bar.