公开(公告)号：US20240204142A1

公开(公告)日：2024-06-20

申请号：US18223050

申请日：2023-07-18

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L33/42 ,  H01L25/075 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L33/42 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/62

Abstract: A display device includes a substrate, a transistor disposed on the substrate, a power electrode disposed on the substrate, a pixel electrode disposed on the transistor, a light emitting layer disposed on each of the pixel electrode and the power electrode, and a common electrode disposed on the light emitting layer. The power electrode includes a stem part extending in a first direction and at least one first branch part protruding from the stem part in a second direction crossing the first direction in a plan view. The first branch part has a shape in which a width decreases as a distance from the stem part increases in a plan view.

公开(公告)号：US20230154941A1

公开(公告)日：2023-05-18

申请号：US17949346

申请日：2022-09-21

Applicant: Samsung Display Co., Ltd.

Inventor： JEONGKUK KIM ,  HWI KIM ,  YOUNGMIN MOON ,  SEUNGYONG SONG ,  AREUM LEE ,  EUNBEE JO ,  KYU HWAN HWANG

IPC: H01L27/12 ,  H01L51/00

CPC classification number: H01L27/1288 ,  H01L51/0011 ,  H01L51/0014

Abstract: A mask assembly includes a frame including a frame opening, and a mask disposed on the frame. The mask includes a body portion including an upper surface and a lower surface opposing each other and deposition openings spaced apart from each other, protrusions protruding from the upper surface and surrounding the corresponding deposition openings, and at least one step formation pattern overlapping the protrusions in a plan view and disposed in the body portion.

公开(公告)号：US20240266489A1

公开(公告)日：2024-08-08

申请号：US18522563

申请日：2023-11-29

Applicant: Samsung Display Co., LTD.

Inventor： Yeon Hwa LEE ,  HYE JIN GWARK ,  Jae Ik KIM ,  HWI KIM ,  JUNGSUN PARK ,  DUCKJUNG LEE ,  Joon Gu LEE

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/56

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L33/56 ,  H01L2933/005

Abstract: A display device according to an embodiment includes a display area and a non-display area, an external common voltage line formed in the non-display area, a common voltage line formed in the display area and connecting a portion and another portion of the external common voltage line, a plurality of pixels positioned in the display area and including a first electrode and an emission layer, and a second electrode positioned on the plurality of pixels. The common voltage line has a multi-layered structure including a first layer, a second layer, a third layer, and a reinforced layer. The reinforced layer is positioned between the second layer and the third layer, the first layer, the second layer, and the third layer include a metal, and the reinforced layer includes an inorganic material or an organic material.

公开(公告)号：US20220035250A1

公开(公告)日：2022-02-03

申请号：US17330841

申请日：2021-05-26

Applicant: Samsung Display Co., Ltd.

Inventor： JEONGKUK KIM ,  HWI KIM ,  AREUM LEE ,  DA-HEE JEONG ,  KYU HWAN HWANG ,  KANGHYUN NAM ,  SEUNGMIN JIN ,  JAEMIN HONG

IPC: G03F7/20 ,  B23K26/352 ,  G03F1/50

Abstract: A mask includes a mask sheet provided with a plurality of open areas defined therein in a plan view and a mask frame which supports the mask sheet. The mask sheet includes a first portion including a first surface, where the first surface is configured to be in contact with a target substrate, and a second portion disposed on the first portion, extending from a top of the first portion in a first direction and including a second surface defining the open area. The second surface is an inclined surface inclined downward with respect to the first direction, and the first direction is parallel to a plane in which the first surface is included.

公开(公告)号：US20240124965A1

公开(公告)日：2024-04-18

申请号：US18450563

申请日：2023-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： JEONGKUK KIM ,  HWI KIM ,  YOUNGMIN MOON

IPC: C23C14/04 ,  C23C16/04

CPC classification number: C23C14/042 ,  C23C16/042

Abstract: A mask assembly manufacturing method includes preparing a mask sheet and a frame, stretching and fixing the mask sheet to the frame, fixing a unit mask on the mask sheet, and forming an opening by removing an overlap portion of the mask sheet overlapping the unit mask after the fixing of the unit mask on the mask sheet.

公开(公告)号：US20220013725A1

公开(公告)日：2022-01-13

申请号：US17245512

申请日：2021-04-30

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  H01L51/56 ,  C23C14/04

Abstract: A mask includes a body unit through which a deposition opening is defined, and a protrusion unit through which a pattern opening is defined and which protrudes from a corner of the body unit, where a thickness of the body unit is greater than a thickness of the protrusion unit.

公开(公告)号：US20220013596A1

公开(公告)日：2022-01-13

申请号：US17174521

申请日：2021-02-12

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a window including a front area and a corner area, and a display panel coupled to the window. The display panel includes a first area and a second area corresponding to the front area and the corner area, respectively. The second area includes a plurality of unit areas, a plurality of stretchable areas disposed between the plurality of unit areas, where a plurality of opening areas are defined through the display panel to be adjacent to the plurality of unit areas . A light emitting area of the second area has an area greater than an area of a corresponding light emitting area of the first area.

公开(公告)号：US20230265555A1

公开(公告)日：2023-08-24

申请号：US18103587

申请日：2023-01-31

Applicant: Samsung Display Co., Ltd.

Inventor： HWI KIM ,  JEONGKUK KIM ,  SEUNGYONG SONG ,  AREUM LEE ,  EUNBEE JO ,  KYU HWAN HWANG

IPC: C23C16/04

CPC classification number: C23C16/042

Abstract: A manufacturing method of a mask assembly includes tensioning a mask sheet, connecting the tensioned mask sheet with a mask frame, and defining opening processing areas in the tensioned mask sheet to form openings respectively corresponding to the opening processing areas. The defining of the opening processing areas includes defining initial opening processing areas in the tensioned mask sheet in a first direction and in a second direction crossing the first direction to determine a processing sequence of the initial opening processing areas, calculating cumulative deformation amounts accumulated in each of the initial opening processing areas based on the processing sequence, and correcting a size and a position of each of the initial opening processing areas based on the cumulative deformation amounts.

公开(公告)号：US20230146922A1

公开(公告)日：2023-05-11

申请号：US17961645

申请日：2022-10-07

Applicant: Samsung Display Co., Ltd.

Inventor： JEONGKUK KIM ,  HWI KIM ,  YOUNGMIN MOON ,  SEUNGYONG SONG ,  AREUM LEE ,  EUNBEE JO ,  KYU HWAN HWANG

IPC: C23C14/04 ,  H01L51/00

CPC classification number: C23C14/042 ,  H01L51/0011 ,  H01L51/56

Abstract: A repairing method of a mask assembly includes providing a mask assembly including a frame, an open mask including a first opening disposed on an upper surface of the frame, and a first unit mask including a plurality of first deposition openings to overlap the first opening in a plan view and disposed on an upper surface of the open mask, first cutting the open mask at an outside of the first unit mask such that a second opening having a size greater than a size of the first opening is defined, and connecting the second unit mask including a plurality of second deposition openings corresponding to the plurality of first deposition openings to the first cut open mask.

公开(公告)号：US20230116956A1

公开(公告)日：2023-04-20

申请号：US17879283

申请日：2022-08-02

Applicant: Samsung Display Co., Ltd.

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

IPC: B23K26/362 ,  H01L51/56 ,  B23K26/06 ,  B23K26/0622

Abstract: Provided is a mask manufacturing method including preparing a preliminary mask sheet including a first surface and a second surface facing each other, forming a mask support part including a concave part recessed from the first surface and a protrusion part adjacent to the concave part and protruding from the first surface by irradiating a first laser light to the first surface of the preliminary mask sheet, and forming an opening part adjacent to the protrusion part and penetrating the preliminary mask sheet by irradiating a second laser light on the second surface of the preliminary mask sheet.