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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.:

US 11696487 B1

PDFFull Text
Date of Patent:
Jul. 04, 2023

Filed:

Jul. 23, 2020

Mask assembly, apparatus for manufacturing display device, and method of manufacturing display device

Applicant:

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

Inventors:

Jeunghoon Kim, Yongin-si, KR;

Seungmin Jin, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Jaehwan Oh

Int. Cl.
CPC ...
C23C 14/24 (2006.01); H10K 71/16 (2023.01); C23C 14/04 (2006.01); C23C 14/12 (2006.01); H10K 59/12 (2023.01); H10K 71/00 (2023.01);
U.S. Cl.
CPC ...
H10K 71/166 (2023.02); C23C 14/042 (2013.01); C23C 14/12 (2013.01); C23C 14/24 (2013.01); H10K 59/12 (2023.02); H10K 71/00 (2023.02); H10K 71/164 (2023.02);
Abstract

According to one or more embodiments, a mask assembly includes a mask frame including an opening and a portion surrounding the opening, and a mask arranged on the mask frame and including a first region and a second region, and a deposition material is passable through the first region corresponding to the opening, and the second region is around the first region, and the first region includes deposition openings, and the second region includes dummy openings, at least some of the dummy openings including centers arranged to deviate from a straight line connecting centers of the deposition openings, and a width of each of the deposition openings is the same as a width of each of the dummy openings.

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