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.

Date of Patent:
Nov. 09, 2021

Filed:

May. 29, 2019
Applicant:

Samsung Display Co., Ltd., Yongin-Si, KR;

Inventors:

Wonyoung Jang, Hwaseong-si, KR;

Minseok Kim, Suwon-si, KR;

Jongbum Kim, Yongin-si, KR;

Jongdae Lee, Pocheon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 1/32 (2006.01); H01L 51/00 (2006.01); C23C 14/04 (2006.01); H01L 51/56 (2006.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0011 (2013.01); B05D 1/32 (2013.01); C23C 14/042 (2013.01); H01L 51/56 (2013.01); H01L 27/3244 (2013.01); H01L 51/5012 (2013.01); H01L 2227/323 (2013.01);
Abstract

A mask assembly may include a frame, first sticks, and masks. The first sticks may extend in a first direction and may be arranged in a second direction. The plurality of masks may be disposed on the frame and the first sticks. The plurality of masks may extend in the second direction and may be arranged in the first direction. Each of the first sticks may have a first edge and a second edge, which are opposite to each other in the second direction. When viewed in a plan view defined by the first and second directions, the first and second edges of an outermost stick of the first sticks may have different shapes, and linear lengths of the first and second edges of the outermost stick may be substantially equal to each other, where the linear lengths are lengths of the first and second edges in a straight state.


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