公开(公告)号：US12218299B2

公开(公告)日：2025-02-04

申请号：US17774978

申请日：2020-10-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chang Il Tae ,  Hyun Min Cho ,  Dae Hyun Kim

IPC: H01L33/62 ,  H01L23/00 ,  H01L25/16 ,  H01L33/60 ,  H01L27/12 ,  H01L33/32

Abstract: A display device may include a display area including pixel areas each including an emission area, a non-display area, and a pixel disposed in each of the pixel areas. The pixel may include a first electrode, a second electrode spaced apart from the first electrode and surrounding a periphery of the first electrode, a third electrode spaced apart from the second electrode and surrounding a periphery of the second electrode, a fourth electrode spaced apart from the third electrode and surrounding a periphery of the third electrode, light emitting elements disposed between the first to fourth electrodes, and first and second conductive lines disposed under the first to fourth electrodes with an insulating layer disposed therebetween. The first conductive line may be electrically connected to the first electrode, and the second conductive line may be electrically connected to the fourth electrode.

公开(公告)号：US12218175B2

公开(公告)日：2025-02-04

申请号：US17282255

申请日：2019-04-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo Choi ,  Eun A Yang ,  Hyun Min Cho

IPC: H01L27/15 ,  H01L33/38

Abstract: A display deice includes a pair of first color sub-pixels arranged in a display area in a first direction, each of the pair of first color sub-pixels including at least one first color light emitting element, and a bank enclosing the pair of first color sub-pixels. The bank includes at least two areas having different widths in an area corresponding to each of the pair of first color sub-pixels.

公开(公告)号：US12199216B2

公开(公告)日：2025-01-14

申请号：US17470383

申请日：2021-09-09

Applicant: Samsung Display Co., LTD.

Inventor： Jong Won Lee ,  Hyun Min Cho

IPC: H01L33/00 ,  H01L25/075 ,  H01L27/15 ,  H01L33/38 ,  H01L33/44

Abstract: A display device comprises a substrate, a first electrode on the substrate and extending in a first direction, a second electrode on the substrate and extending in the first direction, the second electrode being spaced apart from the first electrode in a second direction, a first insulating layer on the first electrode and the second electrode, light-emitting elements on the first insulating layer, the light-emitting elements being disposed on the first electrode and the second electrode, a second insulating layer disposed on the light-emitting elements, a first contact electrode disposed on the first electrode and electrically contacting the light-emitting elements, and a second contact electrode disposed on the second electrode and electrically contacting the light-emitting elements. The second insulating layer comprises patterns that cover at least part of the light-emitting elements and are spaced apart from one another in the first direction.

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：US12107191B2

公开(公告)日：2024-10-01

申请号：US17609882

申请日：2020-03-30

Applicant: Samsung Display Co., LTD.

Inventor： Je Won Yoo ,  Tae Jin Kong ,  Hee Keun Lee ,  Hyun Min Cho

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016

Abstract: Provided are a display device and a manufacturing method thereof. The display device comprises: a substrate; a first electrode and a second electrode disposed on the substrate to be spaced apart from each other; a first insulating layer disposed on the substrate so as to cover at least a portion of the first electrode and the second electrode; and at least one first light emitting element disposed between the first electrode and the second electrode, on the first insulating layer. The first insulating layer comprises: a first sub-insulating layer comprising a first portion including a hydrophilic material and a second portion which is a region of the first insulating layer except for the first portion and includes a hydrophobic material; and a second sub-insulating layer disposed below the first sub-insulating layer, and at least a portion of the at least one first light emitting element is disposed on the first portion.

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：US12074264B2

公开(公告)日：2024-08-27

申请号：US17258145

申请日：2018-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Hyun Min Cho ,  Keun Kyu Song ,  Je Won Yoo ,  Bek Hyun Lim ,  Sung Chan Jo

IPC: H01L25/16 ,  H01L33/54 ,  H01L33/62 ,  H01L33/20 ,  H01L33/56

CPC classification number: H01L33/54 ,  H01L25/167 ,  H01L33/62 ,  H01L33/20 ,  H01L33/56 ,  H01L2933/0066

Abstract: A display device and a method of manufacturing a display device are provided. The display device comprises a first electrode, a second electrode facing the first electrode, a first insulating layer disposed on the first electrode and the second electrode and positioned between the first electrode and the second electrode, a light emitting element disposed on the first insulating layer, a first passivation layer covering the light emitting element and exposing both end portions of the light emitting element, an organic insulating layer disposed on the first passivation layer, a first contact electrode electrically connected to the first electrode, disposed on the organic insulating layer and in contact with a first end portion of the light emitting element exposed by the first passivation layer, and a second contact electrode electrically connected to the second electrode, disposed on the organic insulating layer and in contact with a second end portion of the light emitting element exposed by the first passivation layer.

公开(公告)号：US12068356B2

公开(公告)日：2024-08-20

申请号：US17284319

申请日：2019-04-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Tae Jin Kong ,  Hee Keun Lee ,  Dae Hyun Kim ,  Hyun Min Cho ,  Chang Il Tae

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L2933/0016

Abstract: A light emitting device may include a first electrode disposed on a substrate; a first insulating layer disposed on the substrate and overlapping at least a part of the first electrode; a second electrode disposed on the first insulating layer and spaced apart from the first electrode; and at least one light emitting diode electrically connected between the first electrode and the second electrode. The first electrode and the second electrode may be disposed on different layers on the substrate, the first insulating layer is disposed between the first electrode and the second electrode, and the first electrode and the second electrode are spaced apart from each other so as not to overlap each other in a plan view.

公开(公告)号：US12058907B2

公开(公告)日：2024-08-06

申请号：US18158320

申请日：2023-01-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Min Cho ,  Tae Wook Kang ,  Sang Gun Choi ,  Shin Il Choi ,  Yun Jung Oh ,  Myoung Geun Cha

IPC: H01L29/08 ,  H10K50/824 ,  H10K59/121 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/131 ,  H10K50/824 ,  H10K59/1213 ,  H10K59/124 ,  H10K71/00

Abstract: A display apparatus includes: a base substrate; a thin film transistor and a power supply wire on the base substrate; a first electrode on the base substrate, and electrically connected to the thin film transistor; a light emitting layer and a common layer on the first electrode; and a second electrode on the common layer. The power supply wire includes: a first conductive layer; a second conductive layer on the first conductive layer; and a third conductive layer on the second conductive layer. The third conductive layer protrudes more than the second conductive layer on a side surface of the power supply wire, and the second electrode contacts a side surface of the second conductive layer.

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.