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    LIGHT EMITTING DEVICE WITH LED STACK FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    2.
    发明申请
    LIGHT EMITTING DEVICE WITH LED STACK FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 审中-公开

    公开(公告)号：WO2019135606A1

    公开(公告)日：2019-07-11

    申请号：PCT/KR2019/000062

    申请日：2019-01-03

    Applicant: SEOUL VIOSYS CO., LTD.

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

    IPC: H01L27/15

    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.

    LIGHT EMITTING DEVICE WITH LED STACK FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    3.
    发明申请
    LIGHT EMITTING DEVICE WITH LED STACK FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 审中-公开

    公开(公告)号：WO2019112304A1

    公开(公告)日：2019-06-13

    申请号：PCT/KR2018/015268

    申请日：2018-12-04

    Applicant: SEOUL VIOSYS CO., LTD.

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

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

    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.

    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    4.
    发明申请
    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 审中-公开

    公开(公告)号：WO2019103568A1

    公开(公告)日：2019-05-31

    申请号：PCT/KR2018/014674

    申请日：2018-11-27

    Applicant: SEOUL VIOSYS CO., LTD.

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

    IPC: H01L25/075 ,  H01L27/12 ,  H01L33/40 ,  H01L33/42 ,  G09G3/00

    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.

    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    8.
    发明公开
    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 审中-公开

    公开(公告)号：EP3913668A1

    公开(公告)日：2021-11-24

    申请号：EP21182972.6

    申请日：2018-11-27

    Applicant: Seoul Viosys Co., Ltd

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

    IPC: H01L25/075 ,  H01L33/38 ,  H01L33/40 ,  H01L33/00

    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.

    LIGHT-EMITTING ELEMENT FOR DISPLAY
    10.
    发明公开
    LIGHT-EMITTING ELEMENT FOR DISPLAY 审中-实审

    公开(公告)号：EP4407697A2

    公开(公告)日：2024-07-31

    申请号：EP24169073.4

    申请日：2020-02-06

    Applicant: Seoul Viosys Co., Ltd.

    Inventor： LEE, Seom Geun ,  SHIN, Chan Seob ,  LEE, Ho Joon ,  JANG, Seong Kyu

    IPC: H01L33/00

    CPC classification number: H01L33/42 ,  H01L33/62 ,  H01L25/0756 ,  H01L33/382

    Abstract: A light-emitting element for a display according to one embodiment comprises: a first LED lamination; a second LED lamination; a third LED lamination; a first transparent electrode interposed between the first LED lamination and the second LED lamination and being in ohmic contact with the lower surface of the first LED lamination; a second transparent electrode interposed between the first LED lamination and the second LED lamination and being in ohmic contact with the upper surface of the second LED lamination; a third transparent electrode interposed between the second LED lamination and the third LED lamination and being in ohmic contact with the upper surface of the third LED lamination; an n electrode pad disposed on a first conductive semiconductor layer of the third LED lamination; a lower p electrode pad disposed on the third transparent electrode; and bump pads arranged on the first LED lamination, wherein the upper surface of the n electrode pad is located at the same height as that of the upper surface of the lower p electrode pad.

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