公开(公告)号：US20250084522A1

公开(公告)日：2025-03-13

申请号：US18678194

申请日：2024-05-30

Applicant: Samsung Display Co., Ltd.

Inventor： Areum Lee ,  Hwi Kim ,  Jungsun Park ,  Jihee Son ,  Seoulki Lee ,  Seungjun Lee ,  Yeonhwa Lee ,  Joongu Lee

IPC: C23C14/04 ,  H10K71/16

Abstract: A mask assembly includes a mask frame including a plurality of sides and an opening, a first support stick arranged on the mask frame to overlap the opening, the first mask stick extending in a direction parallel to one of the sides of the mask frame, a mask sheet arranged on the first support stick, the mask sheet extending in a direction parallel to one of the sides of the mask frame, and a first waterproof membrane arranged on a surface of the first support stick facing the mask sheet.

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：US20250057009A1

公开(公告)日：2025-02-13

申请号：US18597742

申请日：2024-03-06

Applicant: Samsung Display Co., Ltd.

Inventor： Joongu Lee ,  Hwi Kim ,  Jungsun Park ,  Jihee Son ,  Seoulki Lee ,  Seungjun Lee ,  Areum Lee ,  Yeonhwa Lee

IPC: H10K59/80 ,  H10K59/122

Abstract: A display apparatus includes a pixel area and an adjacent transmission area, first to third sub-pixel electrodes disposed on a substrate, disposed in the pixel area, and spaced apart from each other, a bank layer overlapping an edge of each of the first to third sub-pixel electrodes, first to third intermediate layers respectively disposed on the first to third sub-pixel electrodes and spaced apart from each other, first to third opposite electrodes respectively disposed on the first to third intermediate layers and spaced apart from each other, and an auxiliary electrode disposed on the bank layer. The first to third opposite electrodes respectively pass through edges of the first to third intermediate layers and electrically contact the auxiliary electrode.

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：US11891688B2

公开(公告)日：2024-02-06

申请号：US17748596

申请日：2022-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： Youngmin Moon ,  Jeongkuk Kim ,  Minho Moon ,  Ji-Hee Son ,  Seungyong Song ,  Areum Lee

IPC: C23C16/04

CPC classification number: C23C16/042 ,  C23C16/045

Abstract: A mask includes a protruding portion provided with a deposition hole formed therethrough and including an upper surface, a lower surface facing the upper surface, and a side surface disposed between the upper surface and the lower surface and inclined at an angle with respect to the lower surface, a peripheral portion including a first surface extending from the upper surface, a second surface facing the first surface and having a step difference with respect to the lower surface of the protruding portion, and a coating layer disposed on the protruding portion. The protruding portion includes at least one of a protrusion protruded from the side surface of the protruding portion and a groove formed by removing at least a portion of the protruding portion from the side surface of the protruding portion, and the coating layer covers at least one of the protrusion and the groove.

公开(公告)号：US20240026526A1

公开(公告)日：2024-01-25

申请号：US18168523

申请日：2023-02-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongkuk Kim ,  Hwi Kim ,  Youngmin Moon ,  Areum Lee

IPC: C23C16/04

CPC classification number: C23C16/042 ,  H10K59/1201

Abstract: An apparatus for manufacturing a display device including a mask assembly including a mask frame and a mask sheet, the mask frame including an opening area and the mask sheet covering the opening area, wherein the mask sheet includes a body fixed to the mask frame, an opening arranged in the body, the opening through which a deposition material passes, and a corrector arranged in the body and configured to correct deformation of the opening, and the corrector includes a correction hole penetrating the body and a correction member crossing at least a portion of the correction hole and being cuttably connected to the body.

公开(公告)号：US20250092337A1

公开(公告)日：2025-03-20

申请号：US18675410

申请日：2024-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Areum Lee ,  Hwi Kim ,  Jungsun Park ,  Jihee Son ,  Seoulki Lee ,  Seungjun Lee ,  Yeonhwa Lee ,  Joongu Lee

IPC: C11D7/50

Abstract: A mask cleaning composition for cleaning a deposition mask includes a solvent having a Hansen solubility parameter distance Ra1 of 7.35 (MPa)1/2 or less, the Hansen solubility parameter distance Ra1 being expressed by Equation below: Ra1={4×(17.9−δD)2+(9.9−δP)2+(7.4−δH)2}1/2, where δD (MPa)1/2 indicates a dispersion power term of the solvent, δP (MPa)1/2 indicates a polarity term of the solvent, and δH (MPa)1/2 indicates a hydrogen bonding force term of the solvent.

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：US20230407451A1

公开(公告)日：2023-12-21

申请号：US18313607

申请日：2023-05-08

Applicant: Samsung Display Co., Ltd.

Inventor： Areum Lee ,  Hwi Kim ,  Kyuhwan Hwang ,  Jeongkuk Kim ,  Seungyong Song ,  Eunbee Jo

IPC: C23C14/04

CPC classification number: C23C14/042

Abstract: A method of manufacturing a mask assembly includes preparing a mask frame including an opening area, forming an opening of a first group in a first area of a center of a mask sheet, tensioning and fixing the mask sheet to the mask frame, and forming an opening of a second group in a second area of the mask sheet. The second area surrounds the first area.

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.