公开(公告)号：US11271136B2

公开(公告)日：2022-03-08

申请号：US16672676

申请日：2019-11-04

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee

IPC: H01L33/00 ,  H01L33/44 ,  H01L33/22 ,  H01L27/15 ,  H01L33/38 ,  H01L33/32 ,  H01L33/06 ,  H01L33/42

Abstract: A light emitting device including a substrate having a first surface and a second surface opposing the first surface, a light emitting structure disposed on the first surface of the substrate and defining a light emitting area, and a first light shielding layer disposed on the second surface of the substrate and exposing at least a portion of the light emitting area, in which the second surface of the substrate has a rough surface that overlaps at least a portion the light emitting area.

公开(公告)号：US11222994B2

公开(公告)日：2022-01-11

申请号：US16198784

申请日：2018-11-22

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 ,  H01L25/07 ,  H01L27/32 ,  H01L33/38 ,  H01L33/24 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50 ,  H01L33/62 ,  H01L33/32 ,  H01L33/00 ,  H01L25/075 ,  H01L25/065 ,  H01L25/04

Abstract: A light emitting diode pixel for a display including a substrate, a first LED sub-unit disposed on the substrate, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on at least one of the first and second LED sub-units, and vias formed in the substrate, in which each of the first to third LED sub-units comprises a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, and each of the vias is electrically connected to at least one of the first, second, and third LED sub-units.

公开(公告)号：US11177413B2

公开(公告)日：2021-11-16

申请号：US16198784

申请日：2018-11-22

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 ,  H01L25/07 ,  H01L27/32 ,  H01L33/38 ,  H01L33/24 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50 ,  H01L33/62 ,  H01L33/32 ,  H01L33/00 ,  H01L25/075 ,  H01L25/065 ,  H01L25/04

Abstract: A light emitting diode pixel for a display including a substrate, a first LED sub-unit disposed on the substrate, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on at least one of the first and second LED sub-units, and vias formed in the substrate, in which each of the first to third LED sub-units comprises a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, and each of the vias is electrically connected to at least one of the first, second, and third LED sub-units.

公开(公告)号：US11158665B2

公开(公告)日：2021-10-26

申请号：US16670293

申请日：2019-10-31

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62 ,  H01L33/58 ,  H01L33/50

Abstract: A light emitting device including a first light emitting part, a second light emitting part disposed over the first light emitting part, a third light emitting part disposed over the second light emitting part, a passivation layer surrounding outer sidewalls of the first, second, and third light emitting parts, a via pattern electrically coupled with at least one of the first, second, and third light emitting parts, and passing through at least a part of one of the first, second, and third light emitting parts, and a pad electrically coupled with the via pattern and overlapping the passivation layer.

公开(公告)号：US11063085B2

公开(公告)日：2021-07-13

申请号：US16236737

申请日：2018-12-31

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee ,  Jong Hyeon Chae

IPC: H01L27/15 ,  H01L33/30 ,  H01L33/08 ,  H01L33/62 ,  H01L33/40 ,  H01L25/075 ,  G09G3/32 ,  H01L33/22

Abstract: A display device includes a plurality of pixel tiles spaced apart from each other, each of the pixel tiles including a substrate and a plurality of light emitting stacked structures disposed on the substrate, in which a distance between two adjacent light emitting stacked structures in the same pixel tile is substantially equal to a shortest distance between two adjacent light emitting stacked structures of different pixel tiles.

公开(公告)号：US10985207B2

公开(公告)日：2021-04-20

申请号：US16236737

申请日：2018-12-31

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee ,  Jong Hyeon Chae

IPC: H01L27/15 ,  H01L33/30 ,  H01L33/08 ,  H01L33/62 ,  H01L33/40 ,  H01L25/075 ,  G09G3/32 ,  H01L33/22

Abstract: A display device includes a plurality of pixel tiles spaced apart from each other, each of the pixel tiles including a substrate and a plurality of light emitting stacked structures disposed on the substrate, in which a distance between two adjacent light emitting stacked structures in the same pixel tile is substantially equal to a shortest distance between two adjacent light emitting stacked structures of different pixel tiles.

公开(公告)号：US10777604B2

公开(公告)日：2020-09-15

申请号：US16198792

申请日：2018-11-22

Applicant: SEOUL VIOSYS CO., LTD.

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

IPC: H01L27/15 ,  H01L25/07 ,  H01L25/13 ,  H01L25/065 ,  H01L25/11 ,  H01L33/00 ,  H01L33/10 ,  H01L33/40 ,  H01L33/42 ,  H01L33/50 ,  H01L33/62 ,  H01L25/075 ,  H01L33/38

Abstract: A light emitting device including first, second, and third LED sub-units, and electrode pads disposed on the first LED sub-unit, electrically connected to the LED sub-units, and including a common electrode pad electrically connected to each of the LED sub-units, and first, second, and third electrode pads connected to a respective one of the LED sub-units, in which the common electrode pad, the second electrode pad, and the third electrode pad are electrically connected to the second LED sub-unit and the third LED sub-unit through holes that pass through the first LED sub-unit, the first, second, and third LED sub-units are configured to be independently driven, light generated in the first LED sub-unit emitted to the outside through the second and third LED sub-units, and light generated in the second LED sub-unit is emitted to the outside through the third LED sub-unit.

公开(公告)号：US10676375B2

公开(公告)日：2020-06-09

申请号：US14386770

申请日：2013-03-21

Applicant: Seoul Viosys Co., Ltd.

Inventor： Seong Min Lee ,  Chung Hoon Lee ,  Daewoong Suh ,  Young Hwan Son

IPC: C02F1/32 ,  C02F1/00

Abstract: The present invention relates to a portable water purification system by means of UV LEDs. Provided according to the present invention is a portable water purification system by means of UV LEDs comprising: a support member; a plurality of LEDs mounted on the surface of the support member; a solid filter provided with a through-path into which the support member is inserted; and a cover, attached to one end of the solid filter, for sealing the through-path of the solid filter.

公开(公告)号：US20190164945A1

公开(公告)日：2019-05-30

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 ,  H01L33/38 ,  H01L33/40 ,  H01L33/50 ,  H01L27/15 ,  H01L33/62

Abstract: A light emitting diode stack for a display includes a support substrate, a first LED stack, a second LED stack, and a third LED stack, a conductive growth substrate coupled to the second LED stack or the third LED stack, a first color filter interposed between the first and second LED stacks and transmitting light generated from the first LED stack while reflecting light generated from the second LED stack, and a second color filter interposed between the second and third LED stacks and transmitting light generated from the first and second LED stacks while reflecting light generated from the third LED stack, in which light generated from the first LED stack is emitted outside through the second LED stack, the third LED stack, and the conductive growth substrate, and light generated from the second LED stack is emitted outside through the third LED stack and the conductive growth substrate.

公开(公告)号：US09991425B2

公开(公告)日：2018-06-05

申请号：US15422575

申请日：2017-02-02

Applicant: Seoul Viosys Co., Ltd.

Inventor： Jong Hyeon Chae ,  Chung Hoon Lee ,  Daewoong Suh ,  Jong Min Jang ,  Joon Sup Lee ,  Won Young Roh ,  Min Woo Kang ,  Hyun A Kim ,  Seon Min Bae

IPC: H01L27/15 ,  H01L31/12 ,  H01L33/00 ,  H01L33/44 ,  H01L33/08 ,  H01L33/20 ,  H01L33/38 ,  H01L33/40

CPC classification number: H01L33/44 ,  H01L27/153 ,  H01L33/005 ,  H01L33/007 ,  H01L33/08 ,  H01L33/20 ,  H01L33/387 ,  H01L33/405 ,  H01L2933/0025

Abstract: A light emitting device including a light emitting structure disposed on one surface of a substrate and a transflective portion disposed on the other surface of the substrate. The transflective portion and the substrate have different indexes of refraction from one another.