公开(公告)号：US11855050B2

公开(公告)日：2023-12-26

申请号：US17232964

申请日：2021-04-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunjoon Kim ,  Kyungwook Hwang ,  Joonyong Park ,  Seogwoo Hong ,  Junsik Hwang

IPC: H01L25/075 ,  H01L25/16 ,  H01L33/20

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L33/20

Abstract: Provided is a micro-LED display, a micro-LED transferring substrate, and a method of transferring micro-LEDs using the micro-LED transferring substrate. The micro-LED includes a backplane substrate; and a plurality of sub-pixels provided on the backplane substrate, wherein at least one sub-pixel from among the plurality of sub-pixels includes a first micro-LED; and a second micro-LED different from the first micro-LED.

公开(公告)号：US11764194B2

公开(公告)日：2023-09-19

申请号：US17174934

申请日：2021-02-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seogwoo Hong ,  Junsik Hwang ,  Kyungwook Hwang

IPC: H01L25/075 ,  H01L33/50 ,  H01L27/12 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L27/1214 ,  H01L33/50 ,  H01L33/62 ,  H01L2933/0066

Abstract: The present disclosure provides a micro-light-emitting diode display apparatus and a method of manufacturing the same. Provided is a micro-light-emitting diode (LED) display apparatus including a plurality of pixels, the micro-LED display apparatus including a driving circuit substrate, a first electrode provided on the driving circuit substrate, one or more micro-light-emitting diodes (LEDs) provided on the first electrode, an insulating layer provided on the one or more micro-LEDs, a via pattern provided in the insulating layer, electrical contacts provided in the via pattern, and a second electrode provided on the electrical contacts, wherein the via pattern exposes a portion of the one or more micro-LEDs.

公开(公告)号：US20230197477A1

公开(公告)日：2023-06-22

申请号：US18075078

申请日：2022-12-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongkyun KIM ,  Minchul Yu ,  Kyungwook Hwang ,  Hyunjoon Kim ,  Joonyong Park ,  Seogwoo Hong

IPC: H01L21/67 ,  H01L21/673 ,  H01L21/68

CPC classification number: H01L21/67132 ,  H01L21/68 ,  H01L21/67051 ,  H01L21/67333

Abstract: A micro-semiconductor chip transfer apparatus includes: a wet chip supply module configured to supply a plurality of micro-semiconductor chips and liquid onto a transfer substrate; a chip alignment module including an absorber configured to move along a surface of the transfer substrate while absorbing the liquid; and a chip extraction module configured to extract, from the absorber, the micro-semiconductor chips remaining in the absorber.

公开(公告)号：US20230133466A1

公开(公告)日：2023-05-04

申请号：US17729769

申请日：2022-04-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junsik HWANG ,  Kyungwook Hwang ,  Seogwoo Hong

IPC: H01L33/38 ,  H01L33/32 ,  H01L33/24 ,  H01L27/15 ,  H01L33/62 ,  H01L33/50

Abstract: A micro light emitting device includes a first semiconductor layer doped with a first conductivity type, a light emitting layer arranged on an upper surface of the first semiconductor layer, a second semiconductor layer arranged on an upper surface of the light emitting layer and doped with a second conductivity type electrically opposite to the first conductivity type, an insulating layer arranged on an upper surface of the second semiconductor layer, a first electrode arranged on an upper surface of the insulating layer and electrically connected to the first semiconductor layer, a second electrode arranged on the upper surface of the insulating layer and electrically connected to the second semiconductor layer, and an aluminum nitride layer arranged on a lower surface of the first semiconductor layer and having a flat surface.

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：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：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：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.