公开(公告)号：US20230143510A1

公开(公告)日：2023-05-11

申请号：US18079789

申请日：2022-12-12

Applicant: Seoul Viosys Co., Ltd.

Inventor： Jong Hyeon CHAE ,  Chung Hoon LEE ,  Chang Yeon KIM ,  Seong Gyu JANG ,  Ho Joon LEE ,  Jong Min JANG

IPC: H01L25/13 ,  H01L25/075 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L25/13 ,  H01L25/0756 ,  H01L33/62 ,  H01L33/0093 ,  H01L25/0753 ,  H01L33/38

Abstract: A light emitting device for a display including a transparent member laterally extending in a first direction and having a first region and a second region surrounding the first region, first to third light emission regions disposed on the transparent member, a support substrate, first to fourth electrode pads disposed between the transparent member and the support substrate, and vias electrically connecting the electrode pads to the light emission regions, respectively, in which the fourth electrode pad is electrically connected to at least one of the vias, each light emission region is disposed in the first region and does not overlap the second region in a second direction, and the fourth electrode pad overlaps one of the vias and one of the light emission regions in the second direction, and the one of the vias and the one of the light emission regions are separated from each other.

公开(公告)号：US20230121389A1

公开(公告)日：2023-04-20

申请号：US18084488

申请日：2022-12-19

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Hyeon CHAE ,  Ho Joon LEE ,  Seong Gyu JANG

IPC: H01L25/075 ,  H01L33/00 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  H01L33/62 ,  H01L33/52

Abstract: A light emitting device for a display including a first LED sub-unit laterally extending along a first direction, a second LED sub-unit, and a third LED sub-unit, electrode pads each overlapping at least a portion of the first LED sub-unit along a vertical direction and electrically connected to at least one of the first, second, and third LED sub-units, a lower insulation layer having a first surface extending in the first direction, a molding member covering each of the first LED sub-unit, the second LED sub-unit, and the third LED sub-unit, and lead electrodes electrically connected to the electrode pads and extending along the first surface and a side surface of the lower insulation layer, in which a portion of an outer region of each of the lead electrodes is disposed inside the outer boundary of the molding member when viewed in a cross-section.

公开(公告)号：US20220393063A1

公开(公告)日：2022-12-08

申请号：US17847122

申请日：2022-06-22

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 ,  H01L33/38 ,  H01L25/075 ,  H01L33/24 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50 ,  H01L33/62

Abstract: A light emitting chip including a light emitting structure including first, second, and third light emitting sub-units to emit light of a first color, a second color, and a third color and vertically stacked on each other, and having at least one mesa structure and at least one sidewall having a stepped structure; a plurality of vias electrically connected to the light emitting sub-units, each via has a top surface exposed from the light emitting structure and a bottom surface contacting the light emitting structure, a part of the bottom surfaces of the vias disposed on substantially the same level; and a first passivation layer covering at least a part of the light emitting structure, in which the first passivation layer has a bottom surface exposing the light emitting structure to permit light from the first, second, and third sub-units to be emitted from the light emitting chip.

公开(公告)号：US20210126044A1

公开(公告)日：2021-04-29

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 ,  H01L33/40 ,  H01L33/24 ,  G09G3/32 ,  G09G3/20 ,  H01L25/075 ,  G09G3/3225

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：US20200185363A1

公开(公告)日：2020-06-11

申请号：US16789877

申请日：2020-02-13

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chang Yeon KIM ,  Jong Hyeon CHAE ,  Jong Min JANG ,  Ho Joon LEE ,  Seong Gyu JANG

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

Abstract: A light emitting device for a display including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, electrode pads disposed below the first LED sub-unit, and a filler disposed between the electrode pads, in which the electrode pads include a common electrode pad electrically connected in common to the first, second, and third LED sub-units, and first, second, and third electrode pads connected to the first, second, and third LED sub-units, respectively, the first, second, and third LED sub-units are independently drivable, light generated in the first LED sub-unit is configured to be emitted to the outside of the light emitting device through the second and third LED sub-units, and light generated in the second LED sub-unit is configured to be emitted to the outside through the third LED sub-unit.

公开(公告)号：US20200091390A1

公开(公告)日：2020-03-19

申请号：US16561440

申请日：2019-09-05

Applicant: Seoul Viosys Co., Ltd.

Inventor： Seong Gyu JANG ,  Ho Joon LEE ,  Jong Hyeon CHAE

IPC: H01L33/62 ,  H01L33/44

Abstract: A light emitting device including a first light emitting part including a first ohmic layer, a second light emitting part and including a second ohmic layer, a third light emitting part including first and second metal patterns respectively contacting semiconductor layers thereof, a first pad electrically coupled with the first ohmic layer, a second pad electrically coupled with the second ohmic layer, a third pad electrically coupled with the first metal pattern, a common pad electrically coupled with a semiconductor layer of the first and second light emitting parts and the second metal pattern, and a via structure electrically coupling the second metal pattern and the common pad between the second metal pattern and the common pad, in which the second metal pattern has a first portion contacting the first via structure and a second portion contacting the semiconductor layer of the third light emitting part.

公开(公告)号：US20200066690A1

公开(公告)日：2020-02-27

申请号：US16673114

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 including a plurality of pixel regions defined between at least one separation region disposed between the pixel regions, and a barrier disposed in the separation region, in which each of the pixel regions includes a first LED stack, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, and electrode pads electrically connected to the first, second, and third LED stacks, the electrode pads comprising a common electrode pad, a first electrode pad, a second electrode pad, and a third electrode pad, the common electrode pad is connected to the first, second, and third LED stacks, the first, second, and third electrode pads are 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：US20190214373A1

公开(公告)日：2019-07-11

申请号：US16207881

申请日：2018-12-03

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 ,  H01L33/46 ,  H01L33/62 ,  H01L33/64 ,  G02B5/26

Abstract: A light emitting device for a display includes a substrate and first, second, and third LED sub-units, a first transparent electrode between the first and second LED sub-units and in ohmic contact with the first LED sub-unit, a second transparent electrode between the second and third LED sub-units and in ohmic contact with the second LED sub-unit, a third transparent electrode between the second transparent electrode and the third LED sub-unit and in ohmic contact with the third LED sub-unit, at least one current spreader connected to at least one of the first, second, and third LED sub-units, electrode pads disposed on the substrate, and through-hole vias formed through the substrate, in which at least one of the through-hole vias is formed through the substrate and the first and second LED sub-units.

公开(公告)号：US20190206849A1

公开(公告)日：2019-07-04

申请号：US16234541

申请日：2018-12-27

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Seong Gyu JANG ,  Ho Joon LEE ,  Jong Hyeon CHAE ,  Chung Hoon LEE

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

Abstract: A light emitting diode pixel for a display includes a first subpixel, a second subpixel, and a third subpixel, each of the first, second, and third subpixels including a first LED sub-unit including a first type of semiconductor layer and a second type of semiconductor layer, a second LED sub-unit disposed on the first LED sub-unit and including a first type of semiconductor layer and a second type of semiconductor layer, and a third LED sub-unit disposed on the second LED sub-unit and including a first type of semiconductor layer and a second type of semiconductor layer, in which the second and third LED sub-units of the first subpixel are electrically floated, the first and third LED sub-units of the second subpixel are electrically floated, and the first and second LED sub-units of the third subpixel are electrically floated.

公开(公告)号：US20240421134A1

公开(公告)日：2024-12-19

申请号：US18818338

申请日：2024-08-28

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 ,  H01L33/08 ,  H01L33/38 ,  H01L33/50

Abstract: A display apparatus including a substrate, and pixel regions and at least one separation region between the pixel regions, each pixel region including a first LED stack, a second LED stack adjacent to the first LED stack, a third LED stack adjacent to the second LED stack and each having a side surface forming a first angle, a second angle, and a third angle with the substrate, respectively, electrode pads electrically connected to the first, second, and third LED stacks, and an insulation layer disposed on at least one of the first, second, and third LED stacks, in which the first LED stack is configured to emit light having a longer peak wavelength than that emitted from the second and third LED stacks, and the first angle is different from the second and third angles.