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：US20190206927A1

公开(公告)日：2019-07-04

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 ,  G09G3/32

CPC classification number: H01L27/156 ,  G09G3/32 ,  G09G2300/0404 ,  G09G2300/0426 ,  G09G2300/0452 ,  H01L33/08 ,  H01L33/30 ,  H01L33/405 ,  H01L33/62

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：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：US20170148954A1

公开(公告)日：2017-05-25

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: H01L33/44 ,  H01L33/40 ,  H01L33/20 ,  H01L33/38 ,  H01L33/00 ,  H01L33/08

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.

公开(公告)号：US20160365486A1

公开(公告)日：2016-12-15

申请号：US15244744

申请日：2016-08-23

Applicant: Seoul Viosys Co., Ltd.

Inventor： Chang Yeon KIM ,  Sung Su SON ,  Joon Sup LEE ,  Jong Hyeon CHAE

IPC: H01L33/38 ,  H01L33/24 ,  H01L33/06 ,  H01L33/48 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L33/0079 ,  H01L33/06 ,  H01L33/24 ,  H01L33/486 ,  H01L33/62 ,  H01L33/647 ,  H01L2224/16225 ,  H01L2933/0016

Abstract: A light emitting device includes a light emitting structure including a support structure including a first bulk electrode a second bulk electrode disposed on and electrically connected to the first electrode and the second electrode, respectively. A substrate is disposed adjacent to the support structure, wherein each of the first and second bulk electrodes includes an upper region and a lower region with the upper regions of the first and second bulk electrodes being separated from each other by a first distance. The substrate includes a first interconnection portion and a second interconnection portion electrically connected to the first bulk electrode and the second bulk electrode, respectively, and separated from each other by a second distance. The second distance is greater than the first distance.

Abstract translation: 发光器件包括发光结构，其包括支撑结构，该支撑结构包括分别设置在第一电极和第二电极上并与之电连接的第一体电极和第二体电极。 衬底被布置成与支撑结构相邻，其中第一和第二体电极中的每一个包括上部区域和下部区域，其中第一和第二体电极的上部区域彼此分开第一距离。 衬底包括分别电连接到第一体电极和第二体电极的第一互连部分和第二互连部分，并且彼此分开第二距离。 第二距离大于第一距离。

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.

公开(公告)号：US20240405004A1

公开(公告)日：2024-12-05

申请号：US18804848

申请日：2024-08-14

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Hyeon CHAE

IPC: H01L25/075 ,  H01L33/62

Abstract: A light emitting device including an insulation unit, a light emitting region including first, second, and third LED stacks each including first and second conductivity type semiconductor layers, a first pillar electrically connected to the first conductivity type semiconductor layers of the first, second, and third LED stacks, and a second pillar, a third pillar, and a fourth pillar electrically connected to the second conductivity type semiconductor layers of the first, second, and third LED stacks, respectively, an intermediate first connector and a lower first connector respectively electrically connecting the first conductivity type semiconductor layers of the second LED stack and the third LED stack to the first pillar, in which the insulation unit have four corners, and the first, second, third, and fourth pillars are disposed near the four corners covering a side surface of the insulation unit, respectively.

公开(公告)号：US20240113272A1

公开(公告)日：2024-04-04

申请号：US18529653

申请日：2023-12-05

Applicant: Seoul Viosys Co., Ltd.

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

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

CPC classification number: H01L33/62 ,  H01L33/08 ,  H01L33/382 ,  H01L33/44

Abstract: A method of mounting light emitting devices on a mounting board including steps of forming the light emitting devices spaced apart from one another on a first surface of a substrate, forming a mask pattern on a second surface of the substrate opposite to the first surface, the mask pattern exposing regions of the second surface of the substrate that overlap the light emitting devices to be separated from the substrate, and performing a selective laser lift-off process using the mask pattern to mount the light emitting devices to the mounting board.

公开(公告)号：US20240055467A1

公开(公告)日：2024-02-15

申请号：US18384884

申请日：2023-10-30

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

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

Abstract: A light module including a circuit substrate and a light emitter, the light emitter including a light source configured to generate light and including a first epitaxial layer, a second epitaxial layer, and an active layer, an insulation layer covering the light source, a first electrode electrically connected to the first epitaxial layer, a light guide configured to guide light generated from the light source, a transparent material covering the light source, and an angle controller disposed on the transparent material, in which the light guide has a guide hole filled with the transparent material, and a refractive index of the light guide is different from that of the light source.

公开(公告)号：US20230387085A1

公开(公告)日：2023-11-30

申请号：US18231614

申请日：2023-08-08

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Hyeon CHAE ,  Ik Kyu YOU ,  Seom Geun LEE ,  Seong Kyu JANG ,  Yong Woo RYU

IPC: H01L25/075 ,  H01L33/62 ,  H01L23/00

CPC classification number: H01L25/0753 ,  H01L33/62 ,  H01L24/16 ,  H01L2224/16505 ,  H01L2224/16227

Abstract: A display panel including a circuit board having first pads, light emitting devices disposed on the circuit board and having second pads and including at least one first light emitting device to emit light having a first peak wavelength and second light emitting devices to emit light having a second peak wavelength, and a metal bonding layer electrically connecting the first pads and the second pads, in which the metal bonding layer of the first light emitting device has a thickness different from that of the metal bonding layer of the second light emitting devices while including a same material, and a surface of the second light devices are disposed at an elevation between an upper surface and a bottom surface of the first light emitting device.