Invention Publication
- Patent Title: MASK ASSEMBLY AND METHOD FOR MANUFACTURING THE SAME
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Application No.: US17949346Application Date: 2022-09-21
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Publication No.: US20230154941A1Publication Date: 2023-05-18
- Inventor: JEONGKUK KIM , HWI KIM , YOUNGMIN MOON , SEUNGYONG SONG , AREUM LEE , EUNBEE JO , KYU HWAN HWANG
- Applicant: Samsung Display Co., Ltd.
- Applicant Address: KR Yongin-si
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Priority: KR 20210157182 2021.11.16
- Main IPC: H01L27/12
- IPC: H01L27/12 ; H01L51/00

Abstract:
A mask assembly includes a frame including a frame opening, and a mask disposed on the frame. The mask includes a body portion including an upper surface and a lower surface opposing each other and deposition openings spaced apart from each other, protrusions protruding from the upper surface and surrounding the corresponding deposition openings, and at least one step formation pattern overlapping the protrusions in a plan view and disposed in the body portion.
Information query
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