公开(公告)号：US20220093824A1

公开(公告)日：2022-03-24

申请号：US17480802

申请日：2021-09-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junhee Choi ,  Jinjoo Park ,  Kiho Kong ,  Junghun Park ,  Eunsung Lee

IPC: H01L33/08 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A display device includes an ion implantation region, a first semiconductor layer, an active layer under the first semiconductor layer, and a second semiconductor layer under the active layer. The ion implantation region includes a plurality of ions and partitions the active layer into a plurality of light-emitting regions, and an average ion concentration ratio of each of the light-emitting regions is 2 to 15.

公开(公告)号：US11276798B2

公开(公告)日：2022-03-15

申请号：US16822673

申请日：2020-03-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/50 ,  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：US20210391499A1

公开(公告)日：2021-12-16

申请号：US17106515

申请日：2020-11-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

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×tan β)  

公开(公告)号：US11177315B2

公开(公告)日：2021-11-16

申请号：US16536514

申请日：2019-08-09

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

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：US11121171B2

公开(公告)日：2021-09-14

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 ,  H01L33/00 ,  H01L33/14 ,  H01L33/22 ,  H01L33/40 ,  H01L33/42 ,  H01L33/50 ,  H01L33/60

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：US20210104622A1

公开(公告)日：2021-04-08

申请号：US16826926

申请日：2020-03-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

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：US10971543B2

公开(公告)日：2021-04-06

申请号：US16557451

申请日：2019-08-30

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：US10964747B2

公开(公告)日：2021-03-30

申请号：US16994201

申请日：2020-08-14

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 ,  H01L33/38 ,  H01L33/20 ,  H01L33/14 ,  H01L33/46 ,  H01L33/58

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：US20200075665A1

公开(公告)日：2020-03-05

申请号：US16536514

申请日：2019-08-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

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：US10516077B2

公开(公告)日：2019-12-24

申请号：US16000336

申请日：2018-06-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chilhee Chung ,  Junhee Choi ,  Sungwoo Hwang ,  Shinae Jun ,  Deukseok Chung ,  Junseok Cho

IPC: H01L33/06 ,  H01L33/32 ,  H01L27/12 ,  H01L33/44 ,  H01L27/15 ,  H01L33/50 ,  H04N9/31 ,  H05B33/28 ,  H01L33/18 ,  H01L33/24

Abstract: Provided is a display apparatus. The display apparatus may include a monolithic device in which a light emitting element array, a transistor array, and a color control member are monolithically provided on one substrate. The display apparatus may include a first layered structure including the light emitting element array, a second layered structure including the transistor array, and a third layered structure including the color control member, wherein the second layered structure may be between the first layered structure and the third layered structure. The light emitting element array may include a plurality of light emitting elements comprising an inorganic material. The plurality of light emitting elements may have a vertical nanostructure.