公开(公告)号：US20210343760A1

公开(公告)日：2021-11-04

申请号：US17097388

申请日：2020-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Junho Jo ,  Seungwon Kim ,  Youngho Park ,  Youngchul Lee

IPC: H01L27/12 ,  C23C14/04 ,  C23C14/54

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.

公开(公告)号：US11776972B2

公开(公告)日：2023-10-03

申请号：US17097388

申请日：2020-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Junho Jo ,  Seungwon Kim ,  Youngho Park ,  Youngchul Lee

IPC: H01L27/12 ,  C23C14/54 ,  C23C14/04

CPC classification number: H01L27/1288 ,  C23C14/042 ,  C23C14/54 ,  H01L27/1285

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.