公开(公告)号：US20230246127A1

公开(公告)日：2023-08-03

申请号：US17944511

申请日：2022-09-14

Applicant: Samsung Display Co., LTD.

Inventor： Hoo Keun PARK ,  Sang Jo KIM ,  Su Jeong KIM ,  Byung Ju LEE

IPC: H01L33/18 ,  H01L27/15 ,  H01L33/32 ,  H01L33/00

CPC classification number: H01L33/18 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/325

Abstract: A display device includes first banks spaced apart from one another and disposed on a substrate, a first electrode and a second electrode disposed on the respective first banks to cover the respective first banks, the first electrode and the second electrode being spaced apart from each other, and a light-emitting element disposed between the first electrode and the second electrode. The light-emitting element includes an active layer, a first semiconductor layer, and a second semiconductor layer disposed between the active layer and the first electrode. The first semiconductor layer includes a main semiconductor layer and a nanoporous layer disposed in the main semiconductor layer.

公开(公告)号：US20220352112A1

公开(公告)日：2022-11-03

申请号：US17660002

申请日：2022-04-20

Applicant: Samsung Display Co., LTD.

Inventor： Hae Yun CHOI ,  Hoo Keun PARK ,  Tae Hee LEE ,  Joo Woan CHO

IPC: H01L23/00 ,  H01L25/18

Abstract: A display device including a display panel including a first panel pad, a first circuit board including a first pad spaced from the first panel pad and a coating member on the first pad, and a wire connecting the first panel pad and the first pad to each other. The coating member includes a same material as the wire and integrally connected to the wire.

公开(公告)号：US20240063250A1

公开(公告)日：2024-02-22

申请号：US18233264

申请日：2023-08-11

Applicant: Samsung Display Co., LTD.

Inventor： Sang Jo KIM ,  Hoo Keun PARK

IPC: H01L27/15 ,  H01L25/18 ,  H01L23/00

CPC classification number: H01L27/156 ,  H01L25/18 ,  H01L24/05 ,  H01L24/13 ,  H01L24/29 ,  H01L24/73 ,  H01L24/16 ,  H01L24/32 ,  H01L2224/05573 ,  H01L2224/05555 ,  H01L2224/13023 ,  H01L2224/16145 ,  H01L2224/29111 ,  H01L2224/29124 ,  H01L2224/29139 ,  H01L2224/29166 ,  H01L2224/29147 ,  H01L2924/0132 ,  H01L2224/73253 ,  H01L2924/12041

Abstract: A display device includes a substrate, a plurality of pixel electrodes on the substrate, a plurality of light emitting elements on the plurality of pixel electrodes, and each of the plurality of light emitting elements including a first semiconductor layer, an active layer, and a second semiconductor layer, and a barrier layer around the plurality of light emitting elements and partitioning the plurality of light emitting elements, wherein the barrier layer includes a semiconductor material and a dopant including iron or carbon.

公开(公告)号：US20230111615A1

公开(公告)日：2023-04-13

申请号：US17855182

申请日：2022-06-30

Applicant: Samsung Display Co., LTD.

Inventor： Jin Wan KIM ,  Sang Jo KIM ,  Hoo Keun PARK ,  Byung Ju LEE

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/32 ,  H01L33/14 ,  H01L33/00

Abstract: A display device is provided. The display device comprises a plurality of pixel electrodes on a first substrate and spaced apart from each other; a plurality of light emitting elements on the plurality of pixel electrodes; and a common electrode layer on the plurality of light emitting elements, wherein the common electrode layer includes a first common electrode layer on the plurality of light emitting elements, and a second common electrode layer between the first common electrode layer and the plurality of light emitting elements, and a lattice constant of the first common electrode layer is larger than a lattice constant of the second common electrode layer.

公开(公告)号：US20230027490A1

公开(公告)日：2023-01-26

申请号：US17786260

申请日：2020-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Hye Lim KANG ,  Dong Gyun KIM ,  Hoo Keun PARK ,  Moon Jung AN ,  Chul Jong YOO ,  Dong Eon LEE

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

Abstract: A display device includes a first electrode, a second electrode disposed spaced apart from the first electrode in a first direction, and an element part disposed between the first electrode and the second electrode. The element part includes light-emitting elements that have a shape extending in one direction and are arranged spaced apart from each other in a second direction perpendicular to the first direction; and a binder surrounding each of the light-emitting elements and fixing the light-emitting elements. The one direction in which the light-emitting elements extend is parallel to the first direction.

公开(公告)号：US20220069178A1

公开(公告)日：2022-03-03

申请号：US17423463

申请日：2019-11-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Rag DO ,  Yun Jae EO ,  Hoo Keun PARK

IPC: H01L33/54 ,  H01L25/075

Abstract: A display device and a method for manufacturing a display device are provided. A display device includes: a base layer; first and second electrodes which are located on the base layer; at least one light emitting diode which is located between the first and second electrodes and configured to emit light; and a protective layer which is located on the base layer and arranged to cover at least the first and second electrodes and the light emitting diode, and the protective layer includes a substrate layer and a light emission pattern formed by at least a partial region protruding from a surface of the substrate layer.

公开(公告)号：US20210375984A1

公开(公告)日：2021-12-02

申请号：US17403828

申请日：2021-08-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyun KIM ,  Moon Jung AN ,  Dong Eon LEE ,  Hye Lim KANG ,  Hoo Keun PARK ,  Byung Ju LEE

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/58

Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.

公开(公告)号：US20240222554A1

公开(公告)日：2024-07-04

申请号：US18517315

申请日：2023-11-22

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Rae CHA ,  Hoo Keun PARK ,  Dong Uk KIM

IPC: H01L33/24 ,  H01L33/10 ,  H01L33/38

CPC classification number: H01L33/24 ,  H01L33/10 ,  H01L33/38

Abstract: A light emitting element includes a first semiconductor layer, a second semiconductor layer, an active layer between the first semiconductor layer and the second semiconductor layer, and a first insulating layer surrounding the first semiconductor layer, the second semiconductor layer, and the active layer, and a first thickness of the first insulating layer surrounding the first semiconductor layer is different from a second thickness of the first insulating layer surrounding the second semiconductor layer.

公开(公告)号：US20230352640A1

公开(公告)日：2023-11-02

申请号：US18022402

申请日：2021-08-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chul Jong YOO ,  Dong Eon LEE ,  Myeong Hee KIM ,  Hoo Keun PARK ,  Byung Ju LEE ,  So Young LEE ,  Seung Geun LEE ,  Seung A LEE ,  Jong Won LEE ,  Ji Hyun HAM

IPC: H01L33/60 ,  H01L25/16

CPC classification number: H01L33/60 ,  H01L25/167

Abstract: A includes a substrate including a plurality of pixels, a plurality of transistors disposed on the substrate, a passivation layer overlapping the plurality of transistors, a first electrode and a second electrode disposed on the passivation layer and spaced apart from each other, an insulating layer disposed on the first electrode and the second electrode, a plurality of light emitting elements disposed between the first electrode and the second electrode on the insulating layer and electrically connected to the first electrode and the second electrode, and an insulating reflective layer disposed between the passivation layer and the plurality of light emitting elements.

公开(公告)号：US20230178687A1

公开(公告)日：2023-06-08

申请号：US17881459

申请日：2022-08-04

Applicant: Samsung Display Co., LTD.

Inventor： Hoo Keun PARK ,  Seung Geun LEE ,  Jin Wan KIM ,  Young Jin SONG

IPC: H01L33/32 ,  H01L27/15 ,  H01L33/14 ,  H01L33/06 ,  H01L33/38

CPC classification number: H01L33/32 ,  H01L27/156 ,  H01L33/145 ,  H01L33/06 ,  H01L33/382

Abstract: A display device comprises a plurality of pixel electrodes which are provided on a substrate, and a plurality of light emitting elements which are provided on the plurality of pixel electrodes, wherein each of the plurality of light emitting elements comprises a first semiconductor layer, a second semiconductor layer and an active layer provided between the first semiconductor layer and the second semiconductor layer, and one or more of the plurality of light emitting elements comprise a capping layer included in the active layer, and another one of the plurality of light emitting elements does not comprise the capping layer in the active layer, wherein the capping layer comprises AlGaN.