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：US12148859B2

公开(公告)日：2024-11-19

申请号：US18144566

申请日：2023-05-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L33/20 ,  H01L25/075 ,  H01L33/38 ,  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：US11424388B2

公开(公告)日：2022-08-23

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.

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：US11329187B2

公开(公告)日：2022-05-10

申请号：US16883363

申请日：2020-05-26

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

Inventor： Kyungwook Hwang ,  Jungel Ryu ,  Sungjin Kang ,  Jongmyeong Kim ,  Jehong Oh ,  Euijoon Yoon ,  Seungmin Lee ,  Junsik Hwang

IPC: H01L33/00 ,  H01L27/15

Abstract: A method of aligning micro LEDs and a method of manufacturing a micro LED display using the same are provided. The method of aligning micro LEDs includes providing micro LEDs, each having a first surface that has a first maximum width and a second surface opposite to the first surface and has a second maximum width that is greater than the first maximum width, providing a transfer substrate including a transfer mold that has an array of openings, each of the openings being configured to accommodate the first surface of a corresponding micro LED and not accommodate the second surface of the corresponding micro LED and aligning the micro LEDs in one direction in the openings of the transfer mold by inserting the micro LEDs into the openings of the transfer mold so that the first surface of each of the micro LEDs is positioned within a corresponding opening.

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：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：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.

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.