公开(公告)号：US11951507B2

公开(公告)日：2024-04-09

申请号：US18175273

申请日：2023-02-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hwi Kim ,  Jeongkuk Kim ,  Da-Hee Jeong ,  Seungyong Song ,  Areum Lee ,  Hye Yong Chu ,  Kyu Hwan Hwang

IPC: B05C21/00 ,  B23K26/362

CPC classification number: B05C21/005 ,  B23K26/362

Abstract: Provided is a mask manufacturing method which includes preparing a mask sheet and a frame, stretching the mask sheet, and fixing the stretched mask sheet to the frame, and forming cell openings in the mask sheet fixed to the frame.

公开(公告)号：US11950489B2

公开(公告)日：2024-04-02

申请号：US17326194

申请日：2021-05-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyu Hwan Hwang ,  Jeongkuk Kim ,  Hwi Kim ,  Kanghyun Nam ,  Sangha Park ,  Areum Lee ,  Da-Hee Jeong ,  Eunbee Jo ,  Seungmin Jin ,  Jaemin Hong

IPC: H10K71/16 ,  C23C14/04 ,  C23C14/24 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K71/166 ,  C23C14/042 ,  C23C14/24 ,  H10K59/12 ,  H10K71/00 ,  H10K71/164

Abstract: A deposition mask for manufacturing a display panel includes a metallic base having a thickness of about 50 micrometers to about 200 micrometers and a plurality of openings defined therein, wherein at least some of the openings include a first opening having a first width and a second opening having a second width smaller than the first width respectively defined along a thickness direction of the metallic base, and wherein the metallic base includes a first part in which the first opening is defined, and a second part in which the second opening is defined, the second part having a width that increases in a direction downward from a top surface of the metallic base along the thickness direction of the metallic base.

公开(公告)号：US11590529B2

公开(公告)日：2023-02-28

申请号：US17318298

申请日：2021-05-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hwi Kim ,  Jeongkuk Kim ,  Da-Hee Jeong ,  Seungyong Song ,  Areum Lee ,  Hye Yong Chu ,  Kyu Hwan Hwang

IPC: B05C21/00 ,  B23K26/362

Abstract: Provided is a mask manufacturing method which includes preparing a mask sheet and a frame, stretching the mask sheet, and fixing the stretched mask sheet to the frame, and forming cell openings in the mask sheet fixed to the frame.

公开(公告)号：US20220093863A1

公开(公告)日：2022-03-24

申请号：US17326194

申请日：2021-05-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyu Hwan HWANG ,  Jeongkuk Kim ,  Hwi Kim ,  Kanghyun Nam ,  Sangha Park ,  Areum Lee ,  Da-Hee Jeong ,  Eunbee Jo ,  Seungmin Jin ,  Jaemin Hong

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/56 ,  C23C14/04 ,  C23C14/24

Abstract: A deposition mask for manufacturing a display panel includes a metallic base having a thickness of about 50 micrometers to about 200 micrometers and a plurality of openings defined therein, wherein at least some of the openings include a first opening having a first width and a second opening having a second width smaller than the first width respectively defined along a thickness direction of the metallic base, and wherein the metallic base includes a first part in which the first opening is defined, and a second part in which the second opening is defined, the second part having a width that increases in a direction downward from a top surface of the metallic base along the thickness direction of the metallic base.

公开(公告)号：US09953828B2

公开(公告)日：2018-04-24

申请号：US13918352

申请日：2013-06-14

Applicant: Samsung Display Co., Ltd.

Inventor： Yoon-Chan Oh ,  Choong-Ho Lee ,  Da-Hee Jeong

IPC: H01L21/02 ,  B05C21/00 ,  C23C14/04

CPC classification number: H01L21/02104 ,  B05C21/005 ,  C23C14/042

Abstract: A frame and a mask assembly having the same. The frame supports both ends of each unit mask, each unit mask applying a tensile force in a first direction. The frame includes a frame main body part forming an opening exposing the unit mask, and a first through hole formed by passing through the frame main body part.