公开(公告)号：US20230005985A1

公开(公告)日：2023-01-05

申请号：US17545645

申请日：2021-12-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiho KONG ,  Junghun Park ,  Eunsung Lee ,  Junhee Choi

IPC: H01L27/15 ,  H01L33/62

Abstract: A display device includes a display layer including a plurality of light-emitting devices and a plurality of switching devices in a one-to-one correspondence with the light-emitting devices, the plurality of light-emitting devices and the plurality of switching devices forming a monolithic structure, and a driving layer, wherein the plurality of light-emitting devices and the plurality of switching devices corresponding to the plurality of light-emitting devices are grouped into pixels and then arranged in the display layer, and the driving layer includes a plurality of driving devices configured to apply at least one driving signal to the display layer.

公开(公告)号：US11527642B2

公开(公告)日：2022-12-13

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 ,  H01L29/66 ,  H01L27/15 ,  H01L27/12

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：US11430374B2

公开(公告)日：2022-08-30

申请号：US16857362

申请日：2020-04-24

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

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：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：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：US20210183301A1

公开(公告)日：2021-06-17

申请号：US16857362

申请日：2020-04-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junee CHOI ,  Kiho Kong ,  Nakhyun Kim ,  Junghun Park ,  Jinjoo Park ,  Joohun Han

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

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：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：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：US20200083405A1

公开(公告)日：2020-03-12

申请号：US16562791

申请日：2019-09-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L33/46 ,  H01L25/16

Abstract: Provided is a light-emitting device including a substrate, a light-emitting pattern provided on the substrate, a first reflection film provided between the light-emitting pattern and the substrate, a second reflection film provided on a side surface of the light-emitting pattern, and a passivation film provided between the light-emitting pattern and the second reflection film, wherein the second reflection film is electrically connected to the light-emitting pattern, and a portion of light generated from the light-emitting pattern is emitted through an upper surface of the light-emitting pattern after being reflected by at least one of the first reflection film and the second reflection film.