公开(公告)号：US12237365B2

公开(公告)日：2025-02-25

申请号：US18456069

申请日：2023-08-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee Choi ,  Kiho Kong ,  Nakhyun Kim ,  Dongho Kim ,  Junghun Park ,  Jinjoo Park ,  Eunsung Lee ,  Joohun Han

IPC: H01L27/15

Abstract: A micro light-emitting display apparatus and a method of manufacturing the same are disclosed The micro light-emitting display apparatus includes a first semiconductor layer, an isolation structure provided on the first semiconductor layer and configured to define a plurality of sub-pixels each configured to emit light, a first light-emitting unit including a first active layer provided in a first sub-pixel among the plurality of sub-pixels, and a second semiconductor layer provided on the first active layer, and a second light-emitting unit including a rod semiconductor layer provided in a second sub-pixel among the plurality of sub-pixels, a second active layer provided on the rod semiconductor layer, and a third semiconductor layer provided on the second active layer. The first active layer is configured to emit blue light and the second active layer is configured to emit green light.

公开(公告)号：US11769788B2

公开(公告)日：2023-09-26

申请号：US17501996

申请日：2021-10-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinjoo Park ,  Hoyoung Ahn ,  Junhee Choi ,  Sungjin Kang ,  Junghun Park

IPC: H01L27/15 ,  H01L33/42 ,  H01L33/14 ,  H01L33/50

CPC classification number: H01L27/156 ,  H01L33/145 ,  H01L33/42 ,  H01L33/504

Abstract: A high-resolution display device is provided. The high-resolution display device includes a light-emitting layer including a first semiconductor layer, an active layer, and a second semiconductor layer, a plurality of transparent electrodes respectively formed on the second semiconductor layer in sub-pixel regions, a first electrode connected to the first semiconductor layer, a plurality of second electrodes connected to the plurality of transparent electrodes, a color-converting layer arranged over the light-emitting layer and configured to emit light of a predetermined color based on light generated by the light-emitting layer, which are sequentially stacked on a substrate including a plurality of sub-pixel regions. One or more ion injection regions corresponding to current injection regions corresponding to the plurality of the sub-pixel regions is formed in the second semiconductor layer.

公开(公告)号：US10784309B2

公开(公告)日：2020-09-22

申请号：US16183953

申请日：2018-11-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyungwook Hwang ,  Junhee Choi ,  Junghun Park ,  Joohun Han

IPC: H01L27/15 ,  H01L27/12 ,  H01L33/42 ,  H01L33/06 ,  H01L33/50 ,  H01L33/32 ,  H01L25/075 ,  H01L33/20 ,  H01L33/14 ,  H01L33/46 ,  H01L33/58 ,  H01L33/38

Abstract: A display device is provided. The display device includes a substrate, an emission layer configured to emit light, the emission layer including a first semiconductor layer provided on the substrate, an active layer provided on the first semiconductor layer, and a second semiconductor layer provided on the active layer, and a plurality of color converting layers provided on the emission layer and configured to emit light of certain colors from light emitted from the emission layer.

公开(公告)号：US12249671B2

公开(公告)日：2025-03-11

申请号：US17582172

申请日：2022-01-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee Choi ,  Nakhyun Kim ,  Joosung Kim ,  Eunsung Lee ,  Joohun Han ,  Kiho Kong ,  Junghun Park

IPC: H01L33/00 ,  H01L33/06 ,  H01L33/12 ,  H01L33/20 ,  H01L33/44 ,  H01L25/075

Abstract: Provided is a substrate structure including a substrate, a buffer layer disposed on the substrate, a porous semiconductor layer disposed on the buffer layer, the porous semiconductor layer having a plurality of voids, a plurality of semiconductor light emitting structures disposed on the porous semiconductor layer, the plurality of semiconductor light emitting structures having a nanorod shape extending vertically, and a passivation film disposed on a side wall of each of the plurality of semiconductor light emitting structures, the passivation film having an insulation property.

公开(公告)号：US12034032B2

公开(公告)日：2024-07-09

申请号：US18308895

申请日：2023-04-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joohun Han ,  Junhee Choi ,  Kiho Kong ,  Jinjoo Park ,  Nakhyun Kim ,  Junghun Park

IPC: H01L33/00 ,  H01L27/15

CPC classification number: H01L27/156 ,  H01L33/0093 ,  H01L33/0095 ,  H01L33/007

Abstract: A micro light emitting diode (LED) device and a method of manufacturing the same are provided. A micro LED device includes a light emitting layer that is provided on a support substrate, a bonding layer, and a driver layer. The light emitting layer includes a stacked structure including a first semiconductor layer, an active layer, and a second semiconductor layer; first and second electrodes provided on a first side and a second side of the stacked structure; and a plurality of light emitting regions. The bonding layer is positioned between the support substrate and the light emitting layer. The drive layer includes a drive element electrically connected to the light emitting layer and is positioned on the light emitting layer to apply power to the plurality of light emitting regions of the light emitting layer.

公开(公告)号：US11776988B2

公开(公告)日：2023-10-03

申请号：US17227981

申请日：2021-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee Choi ,  Kiho Kong ,  Nakhyun Kim ,  Dongho Kim ,  Junghun Park ,  Jinjoo Park ,  Eunsung Lee ,  Joohun Han

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A micro light-emitting display apparatus and a method of manufacturing the same are disclosed The micro light-emitting display apparatus includes a first semiconductor layer, an isolation structure provided on the first semiconductor layer and configured to define a plurality of sub-pixels each configured to emit light, a first light-emitting unit including a first active layer provided in a first sub-pixel among the plurality of sub-pixels, and a second semiconductor layer provided on the first active layer, and a second light-emitting unit including a rod semiconductor layer provided in a second sub-pixel among the plurality of sub-pixels, a second active layer provided on the rod semiconductor layer, and a third semiconductor layer provided on the second active layer. The first active layer is configured to emit blue light and the second active layer is configured to emit green light.

公开(公告)号：US20200168663A1

公开(公告)日：2020-05-28

申请号：US16589359

申请日：2019-10-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Junhee Choi ,  Sungjin Kang ,  Kiho Kong ,  Junghun Park ,  Jinjoo Park ,  Joohun Han ,  Kyungwook Hwang

IPC: H01L27/15 ,  H01L33/14 ,  H01L33/22 ,  H01L33/40 ,  H01L33/42 ,  H01L33/50 ,  H01L33/60 ,  H01L33/00

Abstract: Provided are a display apparatus and a method of manufacturing the same. The display apparatus includes a support substrate, a driving layer provided on the support substrate and including a driving element configured to apply power to a pixel electrode, and a light-emitting layer provided on the driving layer.

公开(公告)号：US20250031491A1

公开(公告)日：2025-01-23

申请号：US18540513

申请日：2023-12-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongchul Shin ,  Joosung Kim ,  Junghun Park

IPC: H01L33/32 ,  H01L25/075 ,  H01L33/00 ,  H01L33/04

Abstract: A light-emitting device includes a base semiconductor layer, at least one core provided on the base semiconductor layer, the at least one core including a body portion extending in a first direction and a shielding portion provided at an upper end of the body portion, where a width of a lower surface of the shielding portion in a second direction orthogonal to the first direction is greater than a width of the body portion in the second direction, a first insulating layer provided on an upper surface of the base semiconductor layer and an upper surface of the shielding portion, and at least one light-emitting portion provided on a side surface of the body portion.

公开(公告)号：US20230402493A1

公开(公告)日：2023-12-14

申请号：US18456069

申请日：2023-08-25

Applicant: Samsung Electronics Co., LTD.

Inventor： Junhee CHOI ,  Kiho Kong ,  Nakhyun Kim ,  Dongho Kim ,  Junghun Park ,  Jinjoo Park ,  Eunsung Lee ,  Joohun Han

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A micro light-emitting display apparatus and a method of manufacturing the same are disclosed The micro light-emitting display apparatus includes a first semiconductor layer, an isolation structure provided on the first semiconductor layer and configured to define a plurality of sub-pixels each configured to emit light, a first light-emitting unit including a first active layer provided in a first sub-pixel among the plurality of sub-pixels, and a second semiconductor layer provided on the first active layer, and a second light-emitting unit including a rod semiconductor layer provided in a second sub-pixel among the plurality of sub-pixels, a second active layer provided on the rod semiconductor layer, and a third semiconductor layer provided on the second active layer. The first active layer is configured to emit blue light and the second active layer is configured to emit green light.

公开(公告)号：US11837155B2

公开(公告)日：2023-12-05

申请号：US17725935

申请日：2022-04-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee Choi ,  Kiho Kong ,  Nakhyun Kim ,  Junghun Park ,  Jinjoo Park ,  Joohun Han

IPC: G09G3/32 ,  H01L27/15 ,  H01L33/10 ,  H01L33/34

CPC classification number: G09G3/32 ,  H01L27/156 ,  H01L33/10 ,  H01L33/346 ,  G09G2300/0452

Abstract: Provided is a display apparatus including a plurality of subpixels and configured to emit light based on each of the plurality of subpixels, the display apparatus including a substrate, a driving layer provided on the substrate and including a driving element which is configured to apply current to the display apparatus, a first electrode electrically connected to the driving layer, a first semiconductor layer provided on the first electrode, an active layer provided on the first semiconductor layer, a second semiconductor layer provided on the active layer, a second electrode provided on the second semiconductor layer, and a reflective layer provided on the second semiconductor layer, wherein light emitted from the active layer resonates between the first electrode and the reflective layer.