公开(公告)号：US12183773B2

公开(公告)日：2024-12-31

申请号：US18226780

申请日：2023-07-27

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee ,  Jong Hyeon Chae ,  Seong Gyu Jang ,  Ho Joon Lee

IPC: H01L27/15 ,  G09G3/20 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L33/30 ,  H01L33/40 ,  H01L33/50

Abstract: A display device including a substrate, a light emitting stacked structure disposed on the substrate and including a plurality of epitaxial sub-units disposed one over another, a first adhesive layer bonding the epitaxial sub-units to the substrate; and a line part disposed on the substrate and configured to apply a light emitting signal to each of the epitaxial sub-units, in which the light emitting stacked structure is configured to provide light having various colors by a combination of light emitted from each of the epitaxial sub-units, and the first adhesive layer includes a conductive and non-transparent material.

公开(公告)号：US12009466B2

公开(公告)日：2024-06-11

申请号：US17983239

申请日：2022-11-08

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Seong Gyu Jang ,  Chan Seob Shin ,  Seom Geun Lee ,  Ho Joon Lee ,  Jong Hyeon Chae

IPC: H01L33/62 ,  H01L33/52

CPC classification number: H01L33/62 ,  H01L33/52

Abstract: A light emitting device including first, second, and third light emitting parts one over another along a first direction, a first conductive pattern at least partially disposed between the second and third light emitting parts and including a first portion extending in a second direction perpendicular to the first direction and electrically coupled with the second light emitting part, and a second portion extending from one end of the first portion, a second conductive pattern disposed on and electrically coupled to the third light emitting part, and a first passivation covering the first light emitting part and including a first portion extending in the second direction and a second portion extending from one end of the first portion and forming an inclined angle with the second direction, in which the first conductive pattern at least partially overlaps with the second portion of the first passivation.

公开(公告)号：US20230074026A1

公开(公告)日：2023-03-09

申请号：US17987721

申请日：2022-11-15

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Seom Geun LEE ,  Seong Kyu Jang ,  Chan Seob Shin ,  Ho Joon Lee

IPC: H01L27/15 ,  H01L33/30 ,  H01L33/38 ,  H01L33/42 ,  H01L33/62 ,  H01L25/065 ,  H01L33/44

Abstract: A light emitting device including a plurality of semiconductor layers stacked in a vertical direction, a multiple quantum region disposed between the plurality of semiconductor layer, a first electrode electrically connected to at least one of the semiconductor layers, and an insulation layer disposed on the plurality of semiconductor layers, in which the at least one of the semiconductor layer includes a first surface from which a growth substrate is separated and a side surface forming an inclined angle with respect to the vertical direction, the insulation layer covers the inclined side surface, the first surface includes a textured surface through which light from the multiple quantum region is configured to pass, and the first electrode has a circular shape in a top view and a truncated cone shape in a cross-sectional view.

公开(公告)号：US20230071708A1

公开(公告)日：2023-03-09

申请号：US17983239

申请日：2022-11-08

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Seong Gyu JANG ,  Chan Seob SHIN ,  Seom Geum LEE ,  Ho Joon Lee ,  Jong Hyeon CHAE

IPC: H01L33/62 ,  H01L33/52

Abstract: A light emitting device including first, second, and third light emitting parts one over another along a first direction, a first conductive pattern at least partially disposed between the second and third light emitting parts and including a first portion extending in a second direction perpendicular to the first direction and electrically coupled with the second light emitting part, and a second portion extending from one end of the first portion, a second conductive pattern disposed on and electrically coupled to the third light emitting part, and a first passivation covering the first light emitting part and including a first portion extending in the second direction and a second portion extending from one end of the first portion and forming an inclined angle with the second direction, in which the first conductive pattern at least partially overlaps with the second portion of the first passivation.

公开(公告)号：US11532664B2

公开(公告)日：2022-12-20

申请号：US16915384

申请日：2020-06-29

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Hyeon Chae ,  Chung Hoon Lee ,  Seong Gyu Jang ,  Chang Yeon Kim ,  Ho Joon Lee

IPC: H01L27/15 ,  H01L27/32 ,  H01L25/07 ,  H01L25/16 ,  H01L33/10 ,  H01L33/30 ,  H01L33/40 ,  H01L33/50 ,  H01L33/08 ,  H01L33/38 ,  H01L33/60 ,  H01L27/12 ,  G09G3/32 ,  H01L25/075 ,  H01L33/00 ,  H01L33/22 ,  H01L33/24 ,  H01L33/42 ,  H01L33/46 ,  H01L33/58

Abstract: A light emitting diode (LED) stack for a display including a first LED sub-unit configured to emit a first colored light, a second LED sub-unit disposed on the first LED sub-unit and configured to emit a second colored light, and a third LED sub-unit disposed on at least one of the first LED sub-unit and the second LED sub-unit and configured to emit a third colored light, in which the first LED sub-unit is configured to emit light through the second LED sub-unit and the third LED sub-unit, and the second LED sub-unit is configured to emit light through the third LED sub-unit.

公开(公告)号：US11527514B2

公开(公告)日：2022-12-13

申请号：US16673184

申请日：2019-11-04

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Hyeon Chae ,  Chang Yeon Kim ,  Seong Gyu Jang ,  Ho Joon Lee ,  Jong Min Jang ,  Dae Sung Cho

IPC: H01L25/075 ,  H01L33/50 ,  H01L33/08 ,  H01L33/38

Abstract: A light emitting device for a display includes a pixel region including first, second, and third LED stacks, an adhesive layer disposed between the first and second LED stacks, or between the second and third LED stacks, a metal bonding layer at least partially surrounded by the adhesive layer, and disposed between and is electrically connected to the first and second LED stacks, or the second and third LED stacks, and a common electrode pad connected to the first, second, and third LED stacks, first, second, and third electrode pads connected to the first, second, and third LED stacks, respectively, and the first, second, and third LED stacks are configured to be independently driven using the electrode pads.

公开(公告)号：US11355482B2

公开(公告)日：2022-06-07

申请号：US16200036

申请日：2018-11-26

Applicant: Seoul Viosys Co., Ltd.

Inventor： Jong Hyeon Chae ,  Chang Yeon Kim ,  Ho Joon Lee ,  Seong Gyu Jang ,  Chung Hoon Lee ,  Dae Sung Cho

IPC: H01L25/13 ,  H01L25/075 ,  H01L33/00 ,  H01L27/15 ,  H01L33/40 ,  H01L33/50 ,  H01L33/62 ,  H01L33/38

Abstract: A light emitting diode pixel for a display including a first LED sub-unit, a second LED sub-unit disposed on a portion of the first LED sub-unit, a third LED sub-unit disposed on a portion of the second LED sub-unit, and a reflective electrode disposed adjacent to the first LED sub-unit, in which each of the first to third LED sub-units comprises an n-type semiconductor layer and a p-type semiconductor layer, each of the n-type semiconductor layers of the first, second, and third LED stacks is electrically connected to the reflective electrode, and the first LED sub-unit, the second LED sub-unit, and the third LED sub-unit are configured to be independently driven.

公开(公告)号：US20220158031A1

公开(公告)日：2022-05-19

申请号：US17536074

申请日：2021-11-28

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Seong Kyu Jang ,  Chan Seob Shin ,  Seom Geun Lee ,  Ho Joon Lee

IPC: H01L33/24 ,  H01L33/62 ,  H01L25/075

Abstract: A method of fabricating a light emitting device for a display, the method including the steps of growing a first LED stack on a first growth substrate, the first LED stack including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, growing a second LED stack on a second growth substrate, the second LED stack including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, bonding the second LED stack to a first temporary substrate, removing the second growth substrate from the second LED stack, bonding the second LED stack to the first LED stack, and removing the first temporary substrate from the second LED stack.

公开(公告)号：US11257798B2

公开(公告)日：2022-02-22

申请号：US16200036

申请日：2018-11-26

Applicant: Seoul Viosys Co., Ltd.

Inventor： Jong Hyeon Chae ,  Chang Yeon Kim ,  Ho Joon Lee ,  Seong Gyu Jang ,  Chung Hoon Lee ,  Dae Sung Cho

IPC: H01L25/13 ,  H01L25/075 ,  H01L33/00 ,  H01L27/15 ,  H01L33/40 ,  H01L33/50 ,  H01L33/62 ,  H01L33/38

Abstract: A light emitting diode pixel for a display including a first LED sub-unit, a second LED sub-unit disposed on a portion of the first LED sub-unit, a third LED sub-unit disposed on a portion of the second LED sub-unit, and a reflective electrode disposed adjacent to the first LED sub-unit, in which each of the first to third LED sub-units comprises an n-type semiconductor layer and a p-type semiconductor layer, each of the n-type semiconductor layers of the first, second, and third LED stacks is electrically connected to the reflective electrode, and the first LED sub-unit, the second LED sub-unit, and the third LED sub-unit are configured to be independently driven.

公开(公告)号：US20200373284A1

公开(公告)日：2020-11-26

申请号：US16988272

申请日：2020-08-07

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Seong Gyu Jang ,  Ho Joon Lee ,  Jong Hyeon Chae ,  Chung Hoon Lee

IPC: H01L25/13 ,  H01L25/075 ,  H01L33/38 ,  H01L33/50 ,  H01L33/40

Abstract: A light emitting diode pixel for a display including a first subpixel comprising a first LED sub-unit, a second subpixel comprising a second LED sub-unit, and a third subpixel comprising a third LED sub-unit, in which each of the first, second, and third LED sub-units includes a first type of semiconductor layer and a second type of semiconductor layer, and the first, second, and third LED sub-units are separated from each other in a first direction, disposed at different planes from each other, and do not overlap each other in the first direction.