公开(公告)号：EP4435138A1

公开(公告)日：2024-09-25

申请号：EP24164404.6

申请日：2024-03-19

申请人： Samsung Display Co., Ltd.

发明人： Hong, Seungju ,  Lee, Jongdae ,  Park, Jongsung ,  Woo, Mina ,  Jang, Wonyoung

IPC分类号： C23C14/04 ,  H10K71/16

CPC分类号： C23C14/042

摘要： A mask assembly includes a mask frame including an opening area, mask sheets covering the opening area of the mask frame and arranged side by side in a first direction, and a support stick arranged between the mask frame and the mask sheets, extending in the first direction, and having ends fixed on the mask frame, wherein widths of ends of the support stick are greater than a width of a portion of the support stick that overlaps the opening area.