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:
Oct. 03, 2023

Filed:

Nov. 13, 2020
Applicant:

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

Inventors:

Junho Jo, Yongin-si, KR;

Seungwon Kim, Yongin-si, KR;

Youngho Park, Yongin-si, KR;

Youngchul Lee, Yongin-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/12 (2006.01); C23C 14/54 (2006.01); C23C 14/04 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1288 (2013.01); C23C 14/042 (2013.01); C23C 14/54 (2013.01); H01L 27/1285 (2013.01);
Abstract

An apparatus and a method for manufacturing a mask assembly and a method of manufacturing a display device are provided. The apparatus may include: a tensioning part configured to be spaced apart from a mask frame comprising at least one opening, the tensioning part configured to tension a mask sheet in at least one of a first direction and a second direction, the mask sheet comprising a cell area corresponding to the at least one opening, and a dummy portion arranged outside the cell area; a pressing part configured to correspond to the dummy portion and press the dummy portion in a third direction intersecting a plane in which the first direction and the second direction extend; and a header configured to irradiate a laser beam toward the mask sheet to fix the mask sheet to the mask frame.


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