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    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    17.
    发明申请
    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 审中-公开

    公开(公告)号：US20200066691A1

    公开(公告)日：2020-02-27

    申请号：US16673184

    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 includes a pixel region including first, second, and third LED stacks, an adhesive layer disposed between the first and second LED stacks, or between the second and third LED stacks, a metal bonding layer at least partially surrounded by the adhesive layer, and disposed between and is electrically connected to the first and second LED stacks, or the second and third LED stacks, and a common electrode pad connected to the first, second, and third LED stacks, first, second, and third electrode pads 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.

    LIGHT EMITTING DIODE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    18.
    发明申请
    LIGHT EMITTING DIODE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20250070100A1

    公开(公告)日：2025-02-27

    申请号：US18940305

    申请日：2024-11-07

    Applicant: Seoul Viosys Co., Ltd.

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

    IPC: H01L25/13 ,  H01L25/075 ,  H01L27/15 ,  H01L33/00 ,  H01L33/38 ,  H01L33/40 ,  H01L33/50 ,  H01L33/62

    Abstract: A light emitting device including a first LED sub-unit having a thickness in a first direction, a second LED sub-unit disposed on a portion of the first LED sub-unit in the first direction, each of the first and second LED sub-units comprising a first-type semiconductor layer, a second-type semiconductor layer, and an active layer, a reflective electrode disposed adjacent to the first LED sub-unit and electrically connected to the first-type semiconductor layer of the first LED sub-unit, and a first ohmic electrode forming ohmic contact with the second-type semiconductor layer of the first LED sub-unit, in which the active layer of the first LED sub-unit is configured to generate light, includes AlxGa(1-x-y)InyP (0≤x≤1, 0≤y≤1), and overlaps the active layer of the second LED sub-unit in the first direction, and the active layer of the second LED sub-unit includes the same material as the active layer of the first LED sub-unit.

    LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    19.
    发明申请
    LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20250048793A1

    公开(公告)日：2025-02-06

    申请号：US18924883

    申请日：2024-10-23

    Applicant: SEOUL VIOSYS CO., LTD.

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

    IPC: H01L33/24 ,  G02B27/01 ,  G06F1/16 ,  H01L25/075 ,  H01L33/62

    Abstract: A method of fabricating a light emitting device for a display, the method including the steps of growing a first LED stack on a first growth substrate, the first LED stack including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, growing a second LED stack on a second growth substrate, the second LED stack including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, bonding the second LED stack to a first temporary substrate, removing the second growth substrate from the second LED stack, bonding the second LED stack to the first LED stack, and removing the first temporary substrate from the second LED stack.

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