公开(公告)号：US12068279B2

公开(公告)日：2024-08-20

申请号：US17630595

申请日：2020-06-03

Applicant: Samsung Display Co., LTD.

Inventor： Won Ho Lee ,  Hyun Deok Im ,  Jong Hyuk Kang ,  Jin Oh Kwag ,  Keun Kyu Song ,  Sung Chan Jo ,  Hyun Min Cho

IPC: H01L21/68 ,  B41M3/00 ,  H01L23/00 ,  H01L25/16

CPC classification number: H01L24/95 ,  B41M3/006 ,  H01L21/68 ,  H01L25/167 ,  H01L24/24 ,  H01L24/25 ,  H01L2224/24051 ,  H01L2224/24101 ,  H01L2224/24145 ,  H01L2224/25175 ,  H01L2224/95102 ,  H01L2224/95133

Abstract: A dipole alignment device includes an electric field forming part including a stage, and a probe part which form an electric field on the stage; an inkjet printing apparatus including at least one inkjet head which sprays ink including dipoles and a solvent with the dipoles dispersed therein onto the stage; a transportation part comprising a first moving part which moves the electric field forming part in at least one direction; and a light irradiation apparatus including a light irradiation part which applies light to the ink sprayed onto the stage.

公开(公告)号：US11984548B2

公开(公告)日：2024-05-14

申请号：US17322346

申请日：2021-05-17

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1244

Abstract: A display device includes a plurality of pixels including alignment electrodes and light emitting elements disposed between the alignment electrodes, and the alignment electrodes including outer alignment electrodes and center alignment electrodes disposed between the outer alignment electrodes. A distance between the center alignment electrodes is different from a distance between the center alignment electrodes and the outer alignment electrodes.

公开(公告)号：US11760079B2

公开(公告)日：2023-09-19

申请号：US17127053

申请日：2020-12-18

Applicant: Samsung Display Co., LTD.

Inventor： Dae Ho Yang ,  Sun Kwan Kim ,  Jin Woo Park ,  Sung Hoon Lee ,  Won Ho Lee ,  IL Soo Jang

IPC: B32B43/00 ,  B32B37/00 ,  B32B38/18 ,  B32B17/10

CPC classification number: B32B43/006 ,  B32B37/0038 ,  B32B38/18 ,  B32B17/10 ,  B32B2457/20

Abstract: A peeling apparatus includes a water tank, a stage disposed in the water tank, a peeling member disposed above the stage, and a discharge preventing block disposed in the water tank and disposed outside the stage, wherein a height of the discharge preventing block is greater than a height of the stage.

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：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：US11888092B2

公开(公告)日：2024-01-30

申请号：US17284349

申请日：2019-04-23

Applicant: Samsung Display Co., LTD.

Inventor： Jae Hoon Jung ,  Won Ho Lee ,  Hyun Deok Im

IPC: H01L33/38 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/005

Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode and facing the first electrode, a first insulating layer disposed to at least partially cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer, and a light-emitting element disposed on the second insulating layer between the first electrode and the second electrode, wherein at least a part of a lower surface of the light-emitting element is chemically bonded to the second insulating layer.