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：US20240243554A1

公开(公告)日：2024-07-18

申请号：US18376661

申请日：2023-10-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eunsung LEE ,  Junhee Choi ,  Kiho Kong ,  Joohun Han

IPC: H01S5/323 ,  H01S5/028 ,  H01S5/40

CPC classification number: H01S5/323 ,  H01S5/0282 ,  H01S5/4087

Abstract: Provided is a light source including a plurality of support layers spaced apart from each other, an ionic crystalline layer on each of the plurality of support layers, a two-dimensional (2D) material layer on the ionic crystalline layer, and a light-emitting device including a first clad layer on the 2D material layer, a width of the first clad layer being greater than a width of the 2D material layer in a horizontal direction, an active layer on the first clad layer, and a second clad layer on the active layer and doped as a second conductive type electrically opposite to a first conductive type.

公开(公告)号：US20240113264A1

公开(公告)日：2024-04-04

申请号：US18375194

申请日：2023-09-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L33/50 ,  H01L25/16

CPC classification number: H01L33/502 ,  H01L25/167 ,  H01L2933/0041

Abstract: A light emitting device includes a light emitting rod in which a porous first type semiconductor layer, an active layer, and a second type semiconductor layer are sequentially arranged, and a wavelength conversion cluster is embedded in the porous first type semiconductor layer and configured to convert a first light generated in the active layer into a second light having a different wavelength.

公开(公告)号：US11923400B2

公开(公告)日：2024-03-05

申请号：US17744211

申请日：2022-05-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho Kong ,  Junhee Choi

IPC: H01L27/14 ,  H01L27/12 ,  H01L27/15 ,  H01L33/36 ,  H01L33/62 ,  H01L49/02 ,  H01L33/06 ,  H01L33/32 ,  H01L33/44

CPC classification number: H01L27/156 ,  H01L27/124 ,  H01L27/1255 ,  H01L28/60 ,  H01L33/36 ,  H01L33/62 ,  H01L27/1222 ,  H01L27/127 ,  H01L33/06 ,  H01L33/32 ,  H01L33/44

Abstract: A display apparatus includes a substrate, a light-emitting device provided on the substrate, a driving transistor device configured to control the light-emitting device, a first power supply line electrically connected to a source region of the driving transistor device, a conductive pattern electrically connected to a gate electrode of the driving transistor device, and a second power supply line electrically connected to the first power supply line, wherein the conductive pattern and the first power supply line constitute a first capacitor, and the conductive pattern and the second power supply line constitute a second capacitor, wherein the first capacitor and the second capacitor are connected in parallel.

公开(公告)号：US11450710B2

公开(公告)日：2022-09-20

申请号：US17191619

申请日：2021-03-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyungwook Hwang ,  Hoyoung Ahn ,  Junhee Choi ,  Kiho Kong ,  Joohun Han

IPC: H01L27/15 ,  H01L33/40 ,  H01L33/58 ,  H01L33/46 ,  H01L33/50 ,  H01L33/42

Abstract: A display device includes a substrate, an emissive layer; a plurality of color converting layers that share the emissive layer, a barrier arranged on the emissive layer between the plurality of color converting layers, a first insulating layer provided between the plurality of color converting layers and the emissive layer and a second insulating layer provided between the first insulating layer and the plurality of color converting layers. The barrier spatially separates the plurality of color converting layers from each other and the first insulating layer has a plurality of first openings respectively corresponding to the plurality of color converting layers.

公开(公告)号：US11251331B2

公开(公告)日：2022-02-15

申请号：US16666593

申请日：2019-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho Kong ,  Junhee Choi ,  Deukseok Chung ,  Junsik Hwang

IPC: H01L33/00 ,  G09G3/32 ,  H01L33/50 ,  H01L33/62

Abstract: Provided are a method of manufacturing a display apparatus and the display apparatus. The method includes forming an emissive layer and a driving layer on a first area of a substrate, forming an exposure line electrically connected to the driving layer, on a second area of the substrate, and forming a color conversion layer on the driving layer by emitting light from the emissive layer using the exposure line.

公开(公告)号：US10755622B2

公开(公告)日：2020-08-25

申请号：US15604826

申请日：2017-05-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kiho Kong ,  Hongkeun Yune

IPC: G09G3/20

Abstract: Disclosed is a display driver integrated circuit which includes a first booster that generates a first boosting voltage by boosting at least one of first and second power supply voltages, a second booster that generates the first boosting voltage or a second boosting voltage by boosting at least one of the first and second power supply voltages, a first regulator that generates a first output voltage based on at least one of the first boosting voltages generated by the first and second boosters, and a second regulator that generates a second output voltage based on the second boosting voltage.

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.

公开(公告)号：US11670667B2

公开(公告)日：2023-06-06

申请号：US16922147

申请日：2020-07-07

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.