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    LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    3.
    发明申请
    LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20220367429A1

    公开(公告)日：2022-11-17

    申请号：US17878024

    申请日：2022-07-31

    Applicant: SEOUL VIOSYS CO., LTD.

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

    IPC: H01L25/13 ,  H01L33/62 ,  H01L33/42 ,  H01L33/08

    Abstract: A light emitting device for a display including first, second, and third LED stacks each including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer; first, second, and third transparent electrodes in ohmic contact with the first, second, and third LED stacks, respectively; a first electrode pad disposed on the first conductivity type semiconductor layer of the third LED stack; a lower second electrode pad disposed on the third transparent electrode; first, second, and third bump pads disposed on the first LED stack and electrically connected to the first, second, and third LED stacks, respectively; and a common bump pad commonly electrically connected to the first, second, and third LED stacks, in which a lower surface of the first electrode pad is located at a different elevation from a lower surface of the lower second electrode pad.

    LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    6.
    发明申请
    LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 审中-公开

    公开(公告)号：US20200258872A1

    公开(公告)日：2020-08-13

    申请号：US16782594

    申请日：2020-02-05

    Applicant: SEOUL VIOSYS CO., LTD.

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

    IPC: H01L25/13 ,  H01L33/42 ,  H01L33/08 ,  H01L33/62

    Abstract: A light emitting device for a display including first, second, and third LED stacks each including a first semiconductor layer, an active layer, and a second semiconductor layer, first, second, and third transparent electrodes in ohmic contact with a lower surface of the first LED stack, an upper surface of the second LED stack, and an upper surface of the third LED stack, respectively, a first electrode pad disposed on the first semiconductor layer of the third LED stack, a lower second electrode pad disposed on the third transparent electrode, and first, second, and third bump pads disposed on the first LED stack and electrically connected to the LED stacks, respectively, and a common bump pad disposed electrically connected to each LED stack, in which an upper surface of the first electrode pad is located at substantially the same elevation as that of the lower second electrode pad.

    LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    8.
    发明申请
    LIGHT EMITTING DEVICE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20220285329A1

    公开(公告)日：2022-09-08

    申请号：US17826106

    申请日：2022-05-26

    Applicant: SEOUL VIOSYS CO., LTD.

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

    IPC: H01L25/13 ,  H01L33/62 ,  H01L33/42 ,  H01L33/08

    Abstract: A light emitting device for a display including a circuit board, a plurality of light emitting units arranged on the circuit board, each light emitting unit comprising a first LED stack including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, a first electrode disposed on the first conductivity type semiconductor layer, and a second electrode disposed on the second conductivity type semiconductor layer, a plurality of bump pads disposed between the plurality of light emitting units and the circuit board, and a bonding layer disposed between the second electrode and the circuit board, in which the second electrode has a side surface recessed inwardly with respect to a side surface of the light emitting unit to define a recessed portion, and the bonding layer is filled in the recessed portion.

    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    10.
    发明申请
    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 审中-公开

    公开(公告)号：US20190189596A1

    公开(公告)日：2019-06-20

    申请号：US16198850

    申请日：2018-11-22

    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 ,  H01L33/50

    CPC classification number: H01L25/0753 ,  H01L33/08 ,  H01L33/50

    Abstract: A light emitting device for a display includes first LED sub-unit, second LED, and third LED sub-units, an insulating layer substantially covering the first, second, and third LED sub-units, and electrode pads electrically connected to the first, second, and third LED sub-units, in which the first LED sub-unit is disposed on a partial region of the second LED sub-unit, the second LED sub-unit is disposed on a partial region of the third LED sub-unit, the insulating layer has openings for electrical connection between the electrode pads, a common electrode pad is connected to the first, second, and third LED sub-units through the openings in the insulating layer, first, second, and third electrode pads are connected to the first, second, and third LED sub-units, respectively, through at least one of the openings, and the first, second, and third LED sub-units are configured to be independently driven using the electrode pads.

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