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：US11282984B2

公开(公告)日：2022-03-22

申请号：US16589593

申请日：2019-10-01

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee

IPC: H01L33/44 ,  H01L27/15 ,  H01L33/08 ,  H01L33/38 ,  H01L33/62

Abstract: A light emitting device including a substrate having a first surface and a second surface opposing the first surface, at least one of the first and second surfaces having a concave part extending to the inside of the substrate, a plurality of light emitting cells disposed on the first surface of the substrate, and a light shielding layer filling at least a portion of the concave part and disposed between the plurality of light emitting cells.

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.

公开(公告)号：US11154044B2

公开(公告)日：2021-10-26

申请号：US16193864

申请日：2018-11-16

Applicant: Seoul Viosys Co., Ltd.

Inventor： Chung Hoon Lee ,  Mi So Ko ,  Eun Mi Choi

IPC: A01M1/06 ,  A01M1/08 ,  A01M1/10 ,  A01M1/02

Abstract: An insect trap to entice and collect insects with UV light, and including a main body, a cross-fan, an insect filter, an insect collector detachably provided to the cross-fan, and a decoy UV LED installation unit coupled to a buttress above the main body and including a decoy UV LED module, in which the main body has an inlet port and a flow channel having an inclined shape and a curved shape extending from the inclined shape, the insect collector including an insect collector mesh through which air introduced into the main body is discharged, the decoy UV LED module includes at least one chip-on-board type UV LED chip or at least one UV LED package mounted on a support substrate, and the insect filter is detachably coupled to the inlet port and allows selective passage of insects therethrough.

公开(公告)号：US11024668B2

公开(公告)日：2021-06-01

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：US10950653B2

公开(公告)日：2021-03-16

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：US10892296B2

公开(公告)日：2021-01-12

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：US10854671B2

公开(公告)日：2020-12-01

申请号：US16198796

申请日：2018-11-22

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 ,  H01L33/10 ,  H01L33/30 ,  H01L33/40 ,  H01L33/50 ,  H01L25/075 ,  H01L33/00 ,  H01L33/08 ,  H01L33/38

Abstract: A light emitting diode (LED) stack for a display includes a first LED sub-unit having a first surface and a second surface, a second LED sub-unit disposed on the first surface of the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a reflective electrode disposed on the second side of the second LED sub-unit and forming ohmic contact with the first LED sub-unit, and an ohmic electrode interposed between the first LED sub-unit and the second LED sub-unit and forming ohmic contact with the first LED sub-unit, in which the second LED sub-unit and the third LED sub-unit are configured to transmit light generated from the first LED sub-unit, and the third LED sub-unit is configured to transmit light generated from the second LED sub-unit.

公开(公告)号：US20200152691A1

公开(公告)日：2020-05-14

申请号：US16676711

申请日：2019-11-07

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee

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

Abstract: A light emitting device including a light emitting structure including a plurality of light emitting parts, a dielectric structure disposed outside the light emitting structure, and a plurality of pads disposed on a first surface of the light emitting structure and electrically coupled with the light emitting parts, in which outer sidewalls of the pads are disposed inside an outer sidewall of the light emitting structure and an outer sidewall of the dielectric structure, at least one of the pads extends to a first surface of the dielectric structure, and the first surface of the dielectric structure is coplanar with the first surface of the light emitting structure.