公开(公告)号：US11207705B2

公开(公告)日：2021-12-28

申请号：US16817325

申请日：2020-03-12

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Su Cheol Gong ,  Min Goo Kang ,  Taek Kyo Kang ,  Jung Woo Ko ,  Min Ju Kim ,  Young Eun Ryu ,  Jae Suk Moon ,  Soo Hyun Min

IPC分类号： B05B12/20 ,  B05C21/00 ,  B23K31/02 ,  C23C14/04 ,  B23K103/04 ,  H01L51/00 ,  H01L51/56

摘要： A mask and a method of manufacturing a mask assembly, the mask including a body, and the body including one end and another end facing each other in a length direction and having a first surface and a second surface facing each other in a thickness direction; and a pattern region between the one end and the other end, the pattern region including a plurality of pattern holes and a plurality of ribs between the plurality of pattern holes, wherein a curl value of the mask, which is defined as a shortest distance from a plane tangent to a center of the body to the one end or the other end of the body, is 1,000 μm to 4,000 μm.