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:
Aug. 03, 2021
Filed:
Sep. 06, 2019
Applicant:
Samsung Display Co., Ltd., Yongin-Si, KR;
Inventors:
In-Bae Kim, Daejeon, KR;
Minho Moon, Anyang-si, KR;
Youngho Park, Suwon-si, KR;
Sungsoon Im, Suwon-si, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 27/32 (2006.01); H01L 51/56 (2006.01); C23C 14/04 (2006.01); B23K 26/22 (2006.01); B23K 26/352 (2014.01); C23C 14/24 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0011 (2013.01); B23K 26/22 (2013.01); B23K 26/3568 (2018.08); C23C 14/042 (2013.01); C23C 14/24 (2013.01); H01L 27/3244 (2013.01); H01L 51/001 (2013.01); H01L 51/56 (2013.01); H01L 2227/323 (2013.01);
Abstract
Provided is a mask assembly including a mask sheet including a pattern part with at least one opening part, and a welding part connected to the pattern part, and a mask frame with the mask sheet mounted thereon and welded to the welding part. The mask sheet includes a first surface configured to fact the mask frame and a second surface opposite to the first surface. The welding part includes a hatching area in which a surface roughness of the second surface is larger than that of the second surface in the pattern part.