公开(公告)号：US20190165037A1

公开(公告)日：2019-05-30

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 ,  H01L33/40 ,  H01L33/38 ,  H01L33/42 ,  H01L33/50 ,  H01L33/10 ,  H01L25/13

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：US12021111B2

公开(公告)日：2024-06-25

申请号：US17518602

申请日：2021-11-04

Applicant: SEOUL VIOSYS CO., LTD.

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

IPC: H01L27/15 ,  H01L25/075 ,  H01L25/13 ,  H01L33/00 ,  H01L33/10 ,  H01L33/40 ,  H01L33/42 ,  H01L33/50 ,  H01L33/62 ,  H10K10/84 ,  H10K50/81 ,  H10K50/82 ,  H10K59/32 ,  H10K59/35 ,  H01L25/065 ,  H01L25/11 ,  H01L33/38 ,  H10K50/813 ,  H10K50/818 ,  H10K50/822 ,  H10K50/828

CPC classification number: H01L27/156 ,  H01L25/0756 ,  H01L25/13 ,  H01L33/0093 ,  H01L33/10 ,  H01L33/405 ,  H01L33/42 ,  H01L33/507 ,  H01L33/62 ,  H01L25/0655 ,  H01L25/0753 ,  H01L25/115 ,  H01L33/38 ,  H01L33/382 ,  H10K10/84 ,  H10K50/813 ,  H10K50/818 ,  H10K50/822 ,  H10K50/828 ,  H10K59/32 ,  H10K59/35

Abstract: A light emitting diode (LED) stack for a display including a first LED stack including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, an intermediate bonding layer disposed between the first LED stack and the second LED stack to bond the second LED stack to the first LED stack, an upper bonding layer disposed between the second LED stack and the third LED stack to couple the third LED stack to the second LED stack, and a first hydrophilic material layer disposed between the first LED stack and the upper bonding layer.

公开(公告)号：US11935912B2

公开(公告)日：2024-03-19

申请号：US17847136

申请日：2022-06-22

Applicant: SEOUL VIOSYS CO., LTD.

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

IPC: H10K50/81 ,  H01L25/075 ,  H01L25/13 ,  H01L27/15 ,  H01L33/00 ,  H01L33/10 ,  H01L33/40 ,  H01L33/42 ,  H01L33/50 ,  H01L33/62 ,  H10K50/82 ,  H10K59/32 ,  H10K59/35 ,  H01L25/065 ,  H01L25/11 ,  H01L33/38 ,  H10K10/84 ,  H10K50/813 ,  H10K50/818 ,  H10K50/822 ,  H10K50/828

CPC classification number: H01L27/156 ,  H01L25/0756 ,  H01L25/13 ,  H01L33/0093 ,  H01L33/10 ,  H01L33/405 ,  H01L33/42 ,  H01L33/507 ,  H01L33/62 ,  H01L25/0655 ,  H01L25/0753 ,  H01L25/115 ,  H01L33/38 ,  H01L33/382 ,  H10K10/84 ,  H10K50/813 ,  H10K50/818 ,  H10K50/822 ,  H10K50/828 ,  H10K59/32 ,  H10K59/35

Abstract: A display apparatus including a thin film transistor (TFT) substrate; a first LED sub-unit, a second LED sub-unit, and a third LED sub-unit; first, second, third, and fourth electrode pads disposed between the TFT substrate and the first LED sub-unit; and connectors connecting the first, second, and third LED sub-units to a respective one of the electrode pads, in which the first, second, and third sub-units are configured to be independently driven; light generated from the first LED sub-unit is emitted to the outside of the display apparatus by passing through the second and third LED sub-units; light generated from the second LED sub-unit is emitted to the outside of the display apparatus by passing through the third LED sub-unit; and at least one of the connectors includes a first portion electrically connecting a first surface of the first LED sub-unit to the second electrode pad.

公开(公告)号：US20230343810A1

公开(公告)日：2023-10-26

申请号：US18218386

申请日：2023-07-05

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chang Yeon KIM ,  Jong Hyeon Chae ,  Jong Ming 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

CPC classification number: H01L27/15 ,  H01L33/22 ,  H01L33/38 ,  H01L33/405 ,  H01L33/42 ,  G02B5/26 ,  H01L33/62 ,  H01L33/08 ,  H01L25/0756 ,  H01L33/46

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：US20230261033A1

公开(公告)日：2023-08-17

申请号：US18136843

申请日：2023-04-19

Applicant: SEOUL VIOSYS CO., LTD.

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

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

CPC classification number: H01L27/156 ,  H01L33/62 ,  H01L25/0756 ,  H01L33/0093 ,  H01L25/13 ,  H01L33/10 ,  H01L33/405 ,  H01L33/42 ,  H01L33/507 ,  H01L25/0753 ,  H01L25/0655

Abstract: A light emitting diode (LED) stack for a display including a first LED stack including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, an intermediate bonding layer disposed between the first LED stack and the second LED stack to bond the second LED stack to the first LED stack, an upper bonding layer disposed between the second LED stack and the third LED stack to couple the third LED stack to the second LED stack, and a first hydrophilic material layer disposed between the first LED stack and the upper bonding layer.

公开(公告)号：US20230223424A1

公开(公告)日：2023-07-13

申请号：US18121598

申请日：2023-03-15

Applicant: SEOUL VIOSYS CO., LTD.

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

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/10 ,  H01L33/30 ,  H01L25/075 ,  H01L33/40 ,  H01L33/60 ,  H01L33/42 ,  H01L33/08 ,  H01L27/12 ,  H01L33/00 ,  H01L25/16 ,  G09G3/32 ,  H01L33/38 ,  H01L33/22 ,  H01L33/24 ,  H01L29/45 ,  H01L33/46 ,  H01L33/58

CPC classification number: H01L27/156 ,  H01L33/504 ,  H01L33/10 ,  H01L33/30 ,  H01L25/0756 ,  H01L33/405 ,  H01L33/60 ,  H10K59/353 ,  H01L33/42 ,  H10K59/352 ,  H01L33/08 ,  H01L27/1214 ,  H01L33/0093 ,  H01L25/167 ,  G09G3/32 ,  H01L33/38 ,  H10K59/38 ,  H01L33/0008 ,  H01L33/22 ,  H10K59/35 ,  H01L33/385 ,  H10K2102/00 ,  H01L33/24 ,  H01L29/45 ,  H10K59/32 ,  H01L33/46 ,  H01L33/58

Abstract: A light emitting diode (LED) pixel for a display including a first LED stack having a first well layer, a second LED stack disposed on the first LED stack and having a second well layer, a third LED stack disposed on the second LED stack and having a third well layer, a first electrode disposed on the first LED stack and in ohmic contact with the first LED stack, a second electrode disposed on the second LED stack and in ohmic contact with a surface of the second LED stack, and a third electrode in ohmic contact with a surface of the third LED stack, in which the first well layer includes at least one base material different from that of the second well layer.

公开(公告)号：US11664409B2

公开(公告)日：2023-05-30

申请号：US17366462

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 ,  H01L27/12 ,  H01L27/32 ,  H01L25/07 ,  H01L33/10 ,  H01L33/30 ,  H01L33/40 ,  H01L33/50 ,  H01L33/08 ,  H01L33/38 ,  H01L33/42 ,  H01L33/46 ,  H01L33/58 ,  H01L33/60 ,  H01L25/075 ,  H01L33/00 ,  H01L25/16 ,  G09G3/32 ,  H01L33/22 ,  H01L29/45 ,  H01L33/24

CPC classification number: H01L27/156 ,  H01L25/0756 ,  H01L33/10 ,  H01L33/30 ,  H01L33/405 ,  H01L33/504 ,  G09G3/32 ,  H01L25/167 ,  H01L27/1214 ,  H01L27/322 ,  H01L27/3209 ,  H01L27/3211 ,  H01L27/3216 ,  H01L27/3218 ,  H01L29/45 ,  H01L33/0008 ,  H01L33/0093 ,  H01L33/08 ,  H01L33/22 ,  H01L33/24 ,  H01L33/38 ,  H01L33/385 ,  H01L33/42 ,  H01L33/46 ,  H01L33/58 ,  H01L33/60 ,  H01L2251/301

Abstract: A light emitting diode (LED) stack for a display including a substrate, a first LED stack disposed on the substrate, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, a first color filter interposed between the first LED stack and the second LED stack, and a second color filter interposed between the second LED stack and the third LED stack, in which the second LED stack and the third LED stack are configured to transmit light generated from the first LED stack to the outside, and the third LED stack is configured to transmit light generated from the second LED stack to the outside.

公开(公告)号：US11610939B2

公开(公告)日：2023-03-21

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: H01L27/12 ,  H01L27/15 ,  H01L27/32 ,  H01L25/07 ,  H01L25/16 ,  H01L33/10 ,  H01L33/30 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  H01L33/46 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60 ,  H01L33/00 ,  H01L33/08 ,  H01L25/075 ,  G09G3/32 ,  H01L33/22 ,  H01L29/45 ,  H01L33/24

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：US11552061B2

公开(公告)日：2023-01-10

申请号：US16228601

申请日：2018-12-20

Applicant: SEOUL VIOSYS CO., LTD.

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

IPC: H01L25/075 ,  H01L33/62 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  H01L33/52 ,  H01L33/00 ,  H01L33/30 ,  H01L33/32

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 under the first LED sub-unit, each of the electrode pads being electrically connected to at least one of the first, second, and third LED sub-units, and lead electrodes electrically connected to the electrode pads and extending outwardly from the first LED sub-unit.

公开(公告)号：US11527519B2

公开(公告)日：2022-12-13

申请号：US16198873

申请日：2018-11-22

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 ,  H01L33/38

Abstract: A light emitting device for a display including a first substrate, a first LED sub-unit disposed on the first substrate, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a second substrate disposed on the third LED sub-unit, a first electrode pad, a second electrode pad, a third electrode pad, and a fourth electrode pad disposed on the second substrate, and through-hole vias electrically connecting the second, third, and fourth electrode pads to the first, second, and third LED sub-units, respectively, in which the first electrode pad is electrically connected to the first LED sub-unit without overlapping any through-hole vias.