公开(公告)号：US20250008778A1

公开(公告)日：2025-01-02

申请号：US18669031

申请日：2024-05-20

Applicant: Samsung Display Co., Ltd.

Inventor： JOONGU LEE ,  HYE JIN GWARK ,  JAEIK KIM ,  HWI KIM ,  JUNGSUN PARK ,  AREUM LEE ,  YEONHWA LEE

IPC: H10K59/122 ,  H10K59/80

Abstract: A display device includes a circuit layer disposed on a base substrate, and a display element layer disposed on the circuit layer. The display element layer includes a light emitting element, a pixel defining layer defining a light emitting area of the light emitting element, a separator disposed on the pixel defining layer, and an auxiliary electrode disposed on the separator and including a reflective material. The auxiliary electrode is electrically connected to an electrode of the light emitting element, a side surface of the separator is inclined toward the light emitting element, and the auxiliary electrode covers the side surface of the separator.

公开(公告)号：US20240110272A1

公开(公告)日：2024-04-04

申请号：US18340329

申请日：2023-06-23

Applicant: Samsung Display Co., Ltd.

Inventor： HEEMIN PARK ,  ARONG KIM ,  YOUNGMIN MOON ,  YOUNGHO PARK ,  AREUM LEE ,  SUNGSOON IM ,  JUNHO JO

IPC: C23C14/04

CPC classification number: C23C14/042

Abstract: A mask assembly includes an open mask including first and second open openings defined therethrough and alternately arranged in a first direction, first unit masks respectively corresponding to the first open openings, and second unit masks respectively corresponding to the second open openings. Each of the first unit masks includes a first deposition portion through which first deposition openings are defined and first and second welding portions extending from the first deposition portion to the first direction and a direction opposite to the first direction, respectively. Each of the second unit masks includes a second deposition portion through which second deposition openings are defined and third and fourth welding portions extending from the second deposition portion to a second direction and a direction opposite to the second direction.

公开(公告)号：US20240035145A1

公开(公告)日：2024-02-01

申请号：US18329662

申请日：2023-06-06

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGMIN MOON ,  YOUNGHO PARK ,  JUNHO JO ,  ARONG KIM ,  HEEMIN PARK ,  AREUM LEE ,  SUNGSOON IM

IPC: C23C14/04 ,  C23C16/04

CPC classification number: C23C14/042 ,  C23C16/042

Abstract: A mask assembly manufacturing apparatus includes a stage and a tensioner. A preliminary mask assembly including an open mask including a first opening and a second opening and a frame connected to the open mask disposed on the stage. The tensioner tensions a unit mask including a cell area including deposition openings and a holding area extending from the cell area, in a first direction. The cell area has a first width parallel to the first direction and a second width parallel to the second direction intersecting the first direction and greater than the first width.

公开(公告)号：US20230201868A1

公开(公告)日：2023-06-29

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：US20220399531A1

公开(公告)日：2022-12-15

申请号：US17713729

申请日：2022-04-05

Applicant: Samsung Display Co., Ltd.

Inventor： JEONGKUK KIM ,  HWI KIM ,  AREUM LEE ,  KYU HWAN HWANG

IPC: H01L51/56 ,  C23C14/04 ,  B23K26/0622 ,  B23K26/38 ,  B23K26/06

Abstract: A mask includes a mask sheet including an upper surface and a lower surface facing the upper surface, the mask sheet including an opening passing through the upper surface and the lower surface; and a mask frame that supports the mask sheet, the mask sheet includes a protrusion adjacent to the opening and protruding from the lower surface, and a recess adjacent to the protrusion and recessed from the lower surface toward the upper surface of the mask sheet.

公开(公告)号：US20220062945A1

公开(公告)日：2022-03-03

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.