公开(公告)号：US12087853B2

公开(公告)日：2024-09-10

申请号：US17982164

申请日：2022-11-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L27/12 ,  H01L27/15 ,  H01L29/66 ,  H01L29/778

CPC classification number: H01L29/7786 ,  H01L27/1214 ,  H01L27/156 ,  H01L29/66462 ,  H01L29/778 ,  H01L27/15

Abstract: A semiconductor device includes a substrate including a first region and a second region adjacent to the first region, the first and the second regions being disposed in a first direction parallel to an upper surface of the substrate; an etch-stop layer disposed on the first region and the second region; a separation layer disposed on an upper portion of the etch-stop layer, the separation layer being disposed on the first region; a high-electron-mobility transistor (HEMT) element disposed on an upper portion of the separation layer in a second direction perpendicular to an upper surface of the substrate; a light-emitting element disposed on the second region between the substrate and the etch-stop layer; and a plurality of first insulating patterns covering side surfaces of the HEMT element, the plurality of first insulating patterns extending to the etch-stop layer.

公开(公告)号：US11923476B2

公开(公告)日：2024-03-05

申请号：US17967396

申请日：2022-10-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Nakhyun Kim ,  Junhee Choi ,  Kiho Kong ,  Deukseok Chung

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/50

CPC classification number: H01L33/005 ,  H01L27/156 ,  H01L33/502 ,  H01L2933/0041 ,  H01L2933/0058

Abstract: A method of manufacturing a display device includes forming a first light-emitting area on a substrate, and forming a first color adjustment pattern on the first light-emitting area by emitting first light from the first light-emitting area, wherein the first light-emitting area includes a first semiconductor layer, a second semiconductor layer provided on the first semiconductor layer, a first active layer arranged between the first semiconductor layer and the second semiconductor layer, a first contact electrically connecting the substrate and the first semiconductor layer, and a first preliminary common electrode electrically connected to the second semiconductor layer.

公开(公告)号：US11876149B2

公开(公告)日：2024-01-16

申请号：US17582854

申请日：2022-01-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyungwook Hwang ,  Sungjin Kang ,  Junsik Hwang ,  Junhee Choi

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/50 ,  H01L33/62

CPC classification number: H01L33/0095 ,  H01L25/0753 ,  H01L33/507 ,  H01L33/62

Abstract: Provided is a display device including a substrate, a transfer guiding mold provided on the substrate and including a plurality of openings, and a plurality of micro light emitting diodes (LEDs) provided on the substrate in the plurality of openings, wherein a height of the transfer guiding mold is less than twice a height of each of the plurality of micro LEDs.

公开(公告)号：US11870008B2

公开(公告)日：2024-01-09

申请号：US17227538

申请日：2021-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinjoo Park ,  Junhee Choi ,  Nakhyun Kim ,  Dongho Kim ,  Joohun Han

IPC: H01L33/14 ,  H01L33/04 ,  H01L33/00 ,  H01L27/15 ,  H01L33/56

CPC classification number: H01L33/145 ,  H01L27/156 ,  H01L33/005 ,  H01L33/04 ,  H01L33/56

Abstract: A nanorod light-emitting device is provided. The nanorod light-emitting device includes a first semiconductor layer, a light-emitting layer on the first semiconductor layer, a second semiconductor layer disposed on the light-emitting layer, at least one conductive layer disposed between a central portion of a lower surface of the light-emitting layer and the first semiconductor layer, or between a central portion of an upper surface of the light-emitting layer and the second semiconductor layer, at least one current blocking layer that surrounds a side surface of the at least one conductive layer, and an insulating film that surrounds a side surface of the second semiconductor layer, a side surface of the light-emitting layer, and a side surface of the at least one current blocking layer.

公开(公告)号：US11848399B2

公开(公告)日：2023-12-19

申请号：US17569217

申请日：2022-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: H01L33/0095 ,  G09G3/32 ,  H01L33/504 ,  H01L33/62 ,  G09G2310/0267 ,  G09G2310/0275 ,  H01L2933/0041 ,  H01L2933/0066

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：US11764254B2

公开(公告)日：2023-09-19

申请号：US17744156

申请日：2022-05-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho Kong ,  Junhee Choi

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

CPC classification number: H01L27/156 ,  H01L27/124 ,  H01L27/1255 ,  H01L28/60 ,  H01L33/36 ,  H01L33/62 ,  H01L27/127 ,  H01L27/1222 ,  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：US20230290904A1

公开(公告)日：2023-09-14

申请号：US18200399

申请日：2023-05-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Nakhyun KIM ,  Junhee Choi ,  Jinjoo Park ,  Joohun Han

IPC: H01L33/24 ,  H01L25/16 ,  H01L33/32 ,  H01L25/075 ,  H01L29/06

CPC classification number: H01L33/24 ,  H01L25/167 ,  H01L33/32 ,  H01L25/0753 ,  H01L29/0676 ,  H01L33/44

Abstract: A nanorod semiconductor layer having a flat upper surface, a micro-LED including the nanorod semiconductor layer, a pixel plate including the micro-LED , a display device including the pixel plate, and an electronic device including the pixel plate are provided. The nanorod semiconductor layer includes: a main body; and an upper end formed from the main body, wherein the upper end includes: a first inclined surface; a second inclined surface facing the first inclined surface; and a flat upper surface between the first inclined surface and the second inclined surface, and a width of the upper end becomes narrower in an upward direction, and when a length of the upper end protruded from the main body (a thickness of the upper end) is L1, an inclination angle between a surface extending parallel to a surface selected from the first and second inclined surfaces and the flat upper surface is β, and a width of the main body is D, a width D1 of the flat upper surface satisfies Equation 1.


D1=D−(2×L1×tanβ)   

公开(公告)号：US11705479B2

公开(公告)日：2023-07-18

申请号：US17400354

申请日：2021-08-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: H01L27/156 ,  H01L33/0093 ,  H01L33/145 ,  H01L33/22 ,  H01L33/405 ,  H01L33/42 ,  H01L33/504 ,  H01L33/60 ,  H01L2933/0016 ,  H01L2933/0041 ,  H01L2933/0058 ,  H01L2933/0091

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：US11682748B2

公开(公告)日：2023-06-20

申请号：US16831194

申请日：2020-03-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junsik Hwang ,  Sungjin Kang ,  Kyungwook Hwang ,  Junhee Choi

IPC: H01L33/20 ,  H01L25/075 ,  H01L33/62 ,  H01L33/38

CPC classification number: H01L33/20 ,  H01L25/0753 ,  H01L33/382 ,  H01L33/62

Abstract: A light-emitting diode (LED) includes a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked, and includes a first electrode pad, a second electrode pad and a third electrode pad disposed on the second semiconductor layer in a direction from a corner of the second semiconductor layer to an opposite corner of the second semiconductor layer. An LED includes a first electrode pad disposed at a center of the LED and in contact with a P-type semiconductor layer and a second electrode pad in contact with an N-type semiconductor layer, wherein the second electrode pad is disposed a maximum distance away from the first electrode pad on the same surface.

公开(公告)号：US11652093B2

公开(公告)日：2023-05-16

申请号：US17338748

申请日：2021-06-04

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Junhee Choi ,  Euijoon Yoon

IPC: H01L27/15 ,  H01L25/16 ,  H01L27/12 ,  H01L33/50 ,  H01L33/48

CPC classification number: H01L25/167 ,  H01L27/1214 ,  H01L33/486 ,  H01L33/50 ,  H01L2933/0033

Abstract: Provided are a micro light source array for a display device, a display device including the micro light source array, and a method of manufacturing the display device. The micro light source array includes: a plurality of silicon sub-mounts provided on a substrate, each silicon sub-mount from among the plurality of silicon sub-mounts corresponding to a respective sub-pixel from among a plurality of sub-pixels of a display device, the plurality of silicon sub-mounts being separated from each other by a plurality of trenches; a plurality of light emitting device chips coupled to the plurality of silicon sub-mounts; and a plurality of driving circuits provided at the plurality of silicon sub-mounts.