公开(公告)号：US20220035250A1

公开(公告)日：2022-02-03

申请号：US17330841

申请日：2021-05-26

Applicant: Samsung Display Co., Ltd.

Inventor： JEONGKUK KIM ,  HWI KIM ,  AREUM LEE ,  DA-HEE JEONG ,  KYU HWAN HWANG ,  KANGHYUN NAM ,  SEUNGMIN JIN ,  JAEMIN HONG

IPC: G03F7/20 ,  B23K26/352 ,  G03F1/50

Abstract: A mask includes a mask sheet provided with a plurality of open areas defined therein in a plan view and a mask frame which supports the mask sheet. The mask sheet includes a first portion including a first surface, where the first surface is configured to be in contact with a target substrate, and a second portion disposed on the first portion, extending from a top of the first portion in a first direction and including a second surface defining the open area. The second surface is an inclined surface inclined downward with respect to the first direction, and the first direction is parallel to a plane in which the first surface is included.