公开(公告)号：US11804512B2

公开(公告)日：2023-10-31

申请号：US17141071

申请日：2021-01-04

Applicant: Seoul Viosys Co., Ltd.

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

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/24 ,  G09G3/32 ,  G09G3/3225 ,  H01L33/40 ,  G09G3/20 ,  H01L25/075

CPC classification number: H01L27/153 ,  G09G3/2003 ,  G09G3/32 ,  G09G3/3225 ,  H01L25/0753 ,  H01L33/24 ,  H01L33/405 ,  H01L33/62 ,  G09G2300/023 ,  G09G2300/0426 ,  G09G2310/08

Abstract: A light emitting stacked structure including a first epitaxial stack including a first n-type semiconductor layer, a first p-type semiconductor layer, and a first active layer disposed therebetween, a second epitaxial stack disposed on the first epitaxial stack and including a second n-type semiconductor layer, a second p-type semiconductor layer, and a second active layer disposed therebetween, a third epitaxial stack disposed on the second epitaxial layer and including a third n-type semiconductor layer, a third p-type semiconductor layer, and a third active layer disposed therebetween, and a shared electrode disposed between two adjacent epitaxial stacks facing each other, in which two semiconductor layers of the two adjacent epitaxial stacks with the shared electrode therebetween have a same polarity.

公开(公告)号：US11804511B2

公开(公告)日：2023-10-31

申请号：US17521754

申请日：2021-11-08

Applicant: SEOUL VIOSYS CO., LTD.

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

IPC: H01L27/15 ,  H01L33/22 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  G02B5/26 ,  H01L33/62 ,  H01L33/08 ,  H01L25/075 ,  H01L33/46 ,  H01L33/64

CPC classification number: H01L27/15 ,  G02B5/26 ,  H01L25/0756 ,  H01L33/08 ,  H01L33/22 ,  H01L33/38 ,  H01L33/405 ,  H01L33/42 ,  H01L33/62 ,  H01L33/46 ,  H01L33/648 ,  H01L2933/0016 ,  H01L2933/0025 ,  H01L2933/0066 ,  H01L2933/0075

Abstract: A light emitting device including a first LED sub-unit, a second LED sub-unit disposed under the first LED sub-unit, a third LED sub-unit disposed under the second LED sub-unit, a first ohmic electrode interposed between the first LED sub-unit and the second LED sub-unit, and in ohmic contact with the first LED sub-unit, a second ohmic electrode interposed between the second LED sub-unit and the third LED sub-unit, and in ohmic contact with the second LED sub-unit, a third ohmic electrode interposed between the second ohmic electrode and the third LED sub-unit, and in ohmic contact the third LED sub-unit, a plurality of electrode pads disposed on the first LED sub-unit, in which at least one of the first ohmic electrode, the second ohmic electrode, and the third ohmic electrode has a patterned structure.

公开(公告)号：US11756984B2

公开(公告)日：2023-09-12

申请号：US17847105

申请日：2022-06-22

Applicant: SEOUL VIOSYS CO., LTD.

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

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

CPC classification number: H01L27/156 ,  G09G3/2003 ,  G09G3/32 ,  H01L25/0756 ,  H01L33/30 ,  H01L33/405 ,  H01L33/504 ,  G09G2300/0452 ,  G09G2310/0267 ,  G09G2310/08 ,  H01L25/167

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, the first adhesive layer includes a conductive and non-transparent material, and the substrate includes a non-transparent material.

公开(公告)号：US11557577B2

公开(公告)日：2023-01-17

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 ,  H01L33/40 ,  H01L33/50 ,  H01L33/00 ,  H01L33/20 ,  H01L33/62

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.

公开(公告)号：US11552057B2

公开(公告)日：2023-01-10

申请号：US16198850

申请日：2018-11-22

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 first LED sub-unit, second LED, and third LED sub-units, an insulating layer substantially covering the first, second, and third LED sub-units, and electrode pads electrically connected to the first, second, and third LED sub-units, in which the first LED sub-unit is disposed on a partial region of the second LED sub-unit, the second LED sub-unit is disposed on a partial region of the third LED sub-unit, the insulating layer has openings for electrical connection between the electrode pads, a common electrode pad is connected to the first, second, and third LED sub-units through the openings in the insulating layer, first, second, and third electrode pads are connected to the first, second, and third LED sub-units, respectively, through at least one of the openings, and the first, second, and third LED sub-units are configured to be independently driven using the electrode pads.

公开(公告)号：US11476298B2

公开(公告)日：2022-10-18

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 ,  H01L33/60 ,  H01L27/12 ,  G09G3/32 ,  H01L25/075 ,  H01L33/00 ,  H01L33/38 ,  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：US11476237B2

公开(公告)日：2022-10-18

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 ,  H01L33/50 ,  H01L33/40 ,  H01L33/38 ,  H01L25/075 ,  H01L33/20 ,  H01L33/62 ,  H01L33/00

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.

公开(公告)号：US20220139891A1

公开(公告)日：2022-05-05

申请号：US17521754

申请日：2021-11-08

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chang Yeon KIM ,  Jong Hyeon Chae ,  Jong Min Jang ,  Ho Joon Lee ,  Seong Gyu Jang

IPC: H01L25/075 ,  H01L33/22 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  G02B5/26 ,  H01L33/62 ,  H01L33/08

Abstract: A light emitting device including a first LED sub-unit, a second LED sub-unit disposed under the first LED sub-unit, a third LED sub-unit disposed under the second LED sub-unit, a first ohmic electrode interposed between the first LED sub-unit and the second LED sub-unit, and in ohmic contact with the first LED sub-unit, a second ohmic electrode interposed between the second LED sub-unit and the third LED sub-unit, and in ohmic contact with the second LED sub-unit, a third ohmic electrode interposed between the second ohmic electrode and the third LED sub-unit, and in ohmic contact the third LED sub-unit, a plurality of electrode pads disposed on the first LED sub-unit, in which at least one of the first ohmic electrode, the second ohmic electrode, and the third ohmic electrode has a patterned structure.

公开(公告)号：US20220005971A1

公开(公告)日：2022-01-06

申请号：US17475273

申请日：2021-09-14

Applicant: Seoul Viosys Co., Ltd.

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

IPC: H01L33/08 ,  H01L33/38 ,  H01L25/075 ,  H01L33/24 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50 ,  H01L33/62

Abstract: A light emitting diode (LED) pixel for a display including a light emitting structure including at least one active layer and configured to generate light, a first passivation layer covering the light emitting structure, a protection structure disposed on the first passivation layer, a plurality of lower via contacts passing through the first passivation layer and electrically connected to the light emitting structure; and a plurality of upper via contacts passing through the protection structure and electrically connected to the lower via contacts, respectively, in which the lower via contacts and the upper via contacts are disposed outside of the at least one active layer.

公开(公告)号：US20210335887A1

公开(公告)日：2021-10-28

申请号：US17366510

申请日：2021-07-02

Applicant: SEOUL VIOSYS CO., LTD.

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

IPC: H01L27/15 ,  H01L25/075 ,  H01L33/10 ,  H01L33/30 ,  H01L33/40 ,  H01L33/50

Abstract: A light emitting diode (LED) pixel for a display including a first LED stack, a second LED stack disposed on a partial region of the first LED stack, a third LED stack disposed on a partial region of the second LED stack, a first ohmic electrode disposed on the first LED stack and forming ohmic contact with the first LED stack, a second transparent electrode disposed between the second LED stack and the third LED stack and in ohmic contact with an upper surface of the second LED stack, and a third transparent electrode in ohmic contact with an upper surface of the third LED stack, in which the first ohmic electrode is laterally spaced apart from the second LED stack.