公开(公告)号：US20220028317A1

公开(公告)日：2022-01-27

申请号：US17213718

申请日：2021-03-26

Applicant: Samsung Display Co., Ltd.

Inventor： HWI KIM ,  JEONGKUK KIM ,  KYU HWAN HWANG

IPC: G09G3/20 ,  H01L27/32

Abstract: A display device includes a display panel in which a first display region and a second display region adjacent to the first display region are defined. The display panel includes main pixels disposed in the first display region, first sub-pixels disposed in a first sub-region of the second display region, and second sub-pixels disposed in a second sub-region of the second display region and which have a different pixel structure from the main pixels.

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：US20240196651A1

公开(公告)日：2024-06-13

申请号：US18465618

申请日：2023-09-12

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/121 ,  H10K59/12 ,  H10K59/122 ,  H10K59/80 ,  H10K59/88

CPC classification number: H10K59/1213 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/8051 ,  H10K59/8052 ,  H10K59/88

Abstract: A display device includes: a base substrate having a plurality of first areas and a second area adjacent to the plurality of first areas; an organic layer on the base substrate and having a groove therein corresponding to the second area; a first electrode on the organic layer and overlapping one first area from among the plurality of first areas; a first charge transport layer on the first electrode and having an edge part facing a partial region of an inner lateral surface of the organic layer that defines the groove; an emission layer covering the first charge transport layer; a second charge transport layer covering the emission layer and including an inorganic material;
and a second electrode covering the second charge transport layer and overlapping a bottom surface of the organic layer defining the groove.

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.