公开(公告)号：US12107081B2

公开(公告)日：2024-10-01

申请号：US18077188

申请日：2022-12-07

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

CPC classification number: H01L25/0753 ,  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：US12009384B2

公开(公告)日：2024-06-11

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 ,  H01L25/07 ,  H01L25/075 ,  H01L27/12 ,  H01L27/32 ,  H01L33/08 ,  H01L33/10 ,  H01L33/30 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  H01L33/46 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60 ,  H10K59/35 ,  H10K59/38 ,  G09G3/32 ,  H01L25/16 ,  H01L29/45 ,  H01L33/00 ,  H01L33/22 ,  H01L33/24 ,  H10K59/32 ,  H10K102/00

CPC classification number: H01L27/156 ,  H01L25/0756 ,  H01L33/10 ,  H01L33/30 ,  H01L33/405 ,  H01L33/504 ,  G09G3/32 ,  H01L25/167 ,  H01L27/1214 ,  H01L29/45 ,  H01L33/0008 ,  H01L33/0093 ,  H01L33/08 ,  H01L33/22 ,  H01L33/24 ,  H01L33/38 ,  H01L33/382 ,  H01L33/385 ,  H01L33/42 ,  H01L33/46 ,  H01L33/58 ,  H01L33/60 ,  H10K59/32 ,  H10K59/35 ,  H10K59/352 ,  H10K59/353 ,  H10K59/38 ,  H10K2102/00

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：US11901397B2

公开(公告)日：2024-02-13

申请号：US16849842

申请日：2020-04-15

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Min Jang ,  Chang Yeon Kim

IPC: H01L27/15 ,  H01L33/22 ,  H01L33/38 ,  H01L33/44 ,  H01L33/00 ,  H01L33/54 ,  H01L33/62

CPC classification number: H01L27/15 ,  H01L33/0093 ,  H01L33/0095 ,  H01L33/22 ,  H01L33/38 ,  H01L33/44 ,  H01L33/54 ,  H01L33/62 ,  H01L2933/005 ,  H01L2933/0016 ,  H01L2933/0025 ,  H01L2933/0066

Abstract: A light emitting package 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, a plurality of connection electrodes electrically connected to at least one of the first, second, and third LED sub-units, the connection electrodes having side surfaces and covering a side surface of at least one of the first, second, and third LED sub-units, a first passivation layer surrounding at least the side surfaces of the connection electrodes, an insulating layer having first and second opposed surfaces, with the first surface facing the LED sub-units, and a first electrode disposed on the first surface of the insulating layer and connected to at least one of the connection electrodes.

公开(公告)号：US11769761B2

公开(公告)日：2023-09-26

申请号：US17873040

申请日：2022-07-25

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Jong Min Jang ,  Chang Yeon Kim

IPC: H01L23/00 ,  H01L25/075 ,  H01L33/62 ,  H01L33/56 ,  H01L33/00

CPC classification number: H01L25/0756 ,  H01L24/32 ,  H01L24/33 ,  H01L25/0753 ,  H01L33/62 ,  H01L33/0095 ,  H01L33/56 ,  H01L2224/32145 ,  H01L2224/33181 ,  H01L2924/12041

Abstract: A light emitting device for a display including: a base layer; a first LED sub-unit, a second LED sub-unit, and a third LED sub-unit on the base layer; and a supporting layer covering the first LED sub-unit, the second LED sub-unit, and the third LED sub-unit, in which the third LED sub-unit is configured to emit light having a shorter wavelength than that of light emitted from the first LED sub-unit, and to emit light having a longer wavelength than that of light emitted from the second LED sub-unit, and a luminous intensity ratio of light emitted from the third LED sub-unit and the second LED sub-unit is configured to be about 6:1.

公开(公告)号：US11563052B2

公开(公告)日：2023-01-24

申请号：US17366420

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

Abstract: A light emitting diode (LED) pixel 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, and through-hole vias formed through the substrate, in which each of the first, second, and third LED stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, and each of the through-hole vias is electrically connected to at least one of the first, second, and third LED stacks.

公开(公告)号：US11527513B2

公开(公告)日：2022-12-13

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：US11282981B2

公开(公告)日：2022-03-22

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：US11257796B2

公开(公告)日：2022-02-22

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 ,  H01L33/22 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  G02B5/26 ,  H01L33/62 ,  H01L33/08 ,  H01L33/46 ,  H01L33/64

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：US20210335886A1

公开(公告)日：2021-10-28

申请号：US17366420

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 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, and through-hole vias formed through the substrate, in which each of the first, second, and third LED stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, and each of the through-hole vias is electrically connected to at least one of the first, second, and third LED stacks.

公开(公告)号：US10854670B2

公开(公告)日：2020-12-01

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.