公开(公告)号：US12243953B2

公开(公告)日：2025-03-04

申请号：US17255795

申请日：2019-02-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Hyuk Kang ,  Won Ho Lee ,  Hyun Deok Im ,  Young Hoi Kim ,  Jin Young Kim ,  Hyun Min Cho ,  Hae Yun Choi

IPC: H01L33/00 ,  H01L25/075

Abstract: An apparatus for manufacturing a light emitting display device includes a stage, and at least one electric-field application module disposed on at least one side of the stage. The apparatus further includes at least one of: at least one printing head disposed above the stage, and a heating element disposed adjacent the stage. The at least one electric-field application module includes a probe head having at least one probe pin, and a driver connected to the probe head to move the probe head.

公开(公告)号：US12183854B2

公开(公告)日：2024-12-31

申请号：US17411664

申请日：2021-08-25

Applicant: Samsung Display Co., LTD.

Inventor： Buem Joon Kim ,  Won Ho Lee ,  Hyun Deok Im ,  Jong Hyuk Kang ,  Eun A Cho

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/62

Abstract: A display device comprises a substrate, a first electrode and a second electrode disposed on the substrate, a first insulating layer disposed on the first electrode and the second electrode, first light emitting elements disposed on the first insulating layer, a first connection electrode disposed on the first electrode to contact first ends of the first light emitting elements and a second connection electrode disposed on the second electrode to contact second ends of the first light emitting elements, a second insulating layer disposed on the first light emitting elements, the first connection electrode and the second connection electrode, second light emitting elements disposed on the second insulating layer, a third connection electrode disposed on the first connection electrode to contact first ends of the second light emitting elements, and a fourth connection electrode disposed on the second connection electrode to contact second ends of the second light emitting elements.

公开(公告)号：US12119372B2

公开(公告)日：2024-10-15

申请号：US18166985

申请日：2023-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hyun Kim ,  Jong Hyuk Kang ,  Joo Yeol Lee ,  Hyun Deok Im ,  Hyun Min Cho

IPC: H01L33/38 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L27/15 ,  H01L29/786 ,  H01L33/20 ,  H01L33/44 ,  H01L33/60 ,  H01L33/06 ,  H01L33/32 ,  H01L33/40 ,  H01L33/62

CPC classification number: H01L27/156 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/124 ,  H01L27/1255 ,  H01L29/78633 ,  H01L33/20 ,  H01L33/385 ,  H01L33/387 ,  H01L33/44 ,  H01L33/60 ,  H01L33/06 ,  H01L33/32 ,  H01L33/405 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0058 ,  H01L2933/0066

Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.

公开(公告)号：US12080693B2

公开(公告)日：2024-09-03

申请号：US17277270

申请日：2019-05-29

Applicant: Samsung Display Co., Ltd.

Inventor： Won Ho Lee ,  Yo Han Lee ,  Jong Hyuk Kang ,  Jin Oh Kwag ,  Hyun Deok Im ,  Hyun Min Cho ,  Won Kyu Kim ,  Keun Kyu Song

IPC: H01L25/16 ,  H01L27/12

CPC classification number: H01L25/167 ,  H01L27/124

Abstract: A display device and a method of manufacturing the same are provided. The display device comprises a first area which extends in a first direction, a second area which extends in the first direction and is alongside the first area in a second direction intersecting the first direction, at least one first light emitting element in the first area, at least one second light emitting element in the second area, at least one first wiring coupled to an end of the first light emitting element in the first area and that extends in the first direction and at least one second wiring coupled to an end of the second light emitting element in the second area and that extends in the first direction, wherein the first wiring and the second wiring are electrically isolated from each other.

公开(公告)号：US12035582B2

公开(公告)日：2024-07-09

申请号：US17255985

申请日：2018-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok Im ,  Jong Hyuk Kang ,  Dae Hyun Kim ,  Jung Hong Min ,  Bek Hyun Lim ,  Hyun Min Cho

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display device includes: a first pixel stem wiring and a common stem wiring extending in a first direction and spaced apart from each other; a first pixel branch wiring branched from the first pixel stem wiring and extending in a second direction crossing the first direction; a common branch wiring branched from the common stem wiring and extending in the second direction; and a first light emitting element between the first pixel branch wiring and the common branch wiring. The first pixel branch wiring includes a base branch pattern connected to the first pixel stem wiring, a separate branch pattern spaced apart from the base branch pattern, and a bridge wiring connecting the base branch pattern to the separate branch pattern.

公开(公告)号：US12034097B2

公开(公告)日：2024-07-09

申请号：US17315855

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Jong Hyuk Kang ,  Joo Yeol Lee ,  Hyun Deok Im ,  Chi O Cho ,  Hyun Min Cho

IPC: H01L33/24 ,  G09G3/32 ,  H01L25/075 ,  H01L27/12 ,  H01L27/15 ,  H01L33/00 ,  H01L33/16 ,  H01L33/32 ,  H01L33/38 ,  H01L33/44

CPC classification number: H01L33/24 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/16 ,  H01L33/325 ,  H01L33/38 ,  H01L33/44 ,  G09G3/32 ,  G09G2300/0452 ,  G09G2310/0278 ,  H01L25/0753 ,  H01L27/1214 ,  H01L2224/95085 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.

公开(公告)号：US12017465B2

公开(公告)日：2024-06-25

申请号：US17786293

申请日：2020-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok Im ,  Jong Hyuk Kang ,  Hyun Min Cho

IPC: B41J2/095 ,  B41J2/09 ,  B41J2/14 ,  B41J2/40 ,  B41J25/00 ,  H01L21/02

CPC classification number: B41J25/006 ,  B41J2/09 ,  B41J2/095 ,  B41J2/14072 ,  B41J2/40 ,  H01L21/02 ,  H01L21/02288

Abstract: An inkjet printing apparatus comprises a frame, an inkjet head disposed on the frame, a first probe disposed on the frame, arranged at a side of the inkjet head, and providing a first voltage, and a second probe disposed on the frame, arranged at another side of the inkjet head, and providing a second voltage.

公开(公告)号：US11409155B2

公开(公告)日：2022-08-09

申请号：US17197571

申请日：2021-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Byung Park ,  Sung Sik Yun ,  Jong Hyuk Kang ,  Hae Il Park ,  Hyun Min Cho

IPC: G02F1/1335 ,  G02F2/02 ,  G02F1/13357 ,  G02F1/1333

Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.

公开(公告)号：US11367823B2

公开(公告)日：2022-06-21

申请号：US17049950

申请日：2018-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Hyun Min Cho ,  Hyun Deok Im ,  Jong Hyuk Kang ,  Keun Kyu Song ,  Joo Yeol Lee ,  Bek Hyun Lim ,  Sung-Chan Jo

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/38 ,  H01L33/24 ,  H01L33/60

Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element including a first end portion and a second end portion in a length direction thereof; first and second banks on the substrate; a first electrode on the first bank and a second electrode on the second bank; a first contact electrode on the first electrode; a second contact electrode on the second electrode; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second electrodes when viewed on a plane.

公开(公告)号：US11069829B2

公开(公告)日：2021-07-20

申请号：US16435313

申请日：2019-06-07

Applicant: Samsung Display Co. Ltd.

Inventor： Jung Hong Min ,  Dae Hyun Kim ,  Hyun Min Cho ,  Jong Hyuk Kang ,  Dong Uk Kim ,  Seung A Lee ,  Hyun Deok Im ,  Hyung Rae Cha

IPC: H01L33/00 ,  H01L33/30

Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.