The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2025
Filed:
Sep. 21, 2022
Samsung Display Co., Ltd., Yongin-si, KR;
Jeongkuk Kim, Suwon-si, KR;
Hwi Kim, Suwon-si, KR;
Youngmin Moon, Yongin-si, KR;
Seungyong Song, Suwon-si, KR;
Areum Lee, Suwon-si, KR;
Eunbee Jo, Hwaseong-si, KR;
Kyu Hwan Hwang, Seongnam-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
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.