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    LIGHT EMITTING DEVICE
    22.
    发明申请
    LIGHT EMITTING DEVICE 有权

    公开(公告)号：US20230025374A1

    公开(公告)日：2023-01-26

    申请号：US17960097

    申请日：2022-10-04

    Applicant: Seoul Viosys Co., Ltd.

    Inventor： Jong Min JANG ,  Chang Yeon KIM ,  Myoung Hak YANG

    IPC: H01L33/00 ,  H01L27/15 ,  H01L33/38 ,  H01L33/14

    Abstract: A light emitting device includes a first light emitting part including a first n-type semiconductor layer, and a first mesa structure including a first active layer, a first p-type semiconductor layer, and a first transparent electrode vertically stacked one over another and exposing a portion of a first surface of the first n-type semiconductor layer, a second light emitting part spaced apart from the first mesa structure, and including a second n-type semiconductor layer, a second active layer, a second p-type semiconductor layer, and a second transparent electrode and exposing a portion of a first surface of the second n-type semiconductor layer, and a first bonding layer on which the first and second light emitting parts are disposed and electrically coupling the first n-type semiconductor layer and the second n-type semiconductor layer to each other.

    LIGHT EMITTING DEVICE FOR DISPLAY AND LED DISPLAY APPARATUS HAVING THE SAME
    24.
    发明申请
    LIGHT EMITTING DEVICE FOR DISPLAY AND LED DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20210126174A1

    公开(公告)日：2021-04-29

    申请号：US17076750

    申请日：2020-10-21

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Jong Min JANG ,  Chang Yeon KIM

    IPC: H01L33/62 ,  H01L33/24 ,  H01L25/075 ,  H01L33/00 ,  H01L33/56

    Abstract: A light emitting device including a first light emitting stack, a second light emitting stack, and a third light emitting stack each including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer, a first adhesive layer bonding the first light emitting stack and the second light emitting stack, and a second adhesive layer bonding the second light emitting stack and the third light emitting stack, in which the second light emitting stack is disposed between the first light emitting stack and the third light emitting stack, and one of the first adhesive layer and the second adhesive layer electrically connects adjacent light emitting stacks.

    LIGHT EMITTING DEVICE
    26.
    发明申请
    LIGHT EMITTING DEVICE 有权

    公开(公告)号：US20210074889A1

    公开(公告)日：2021-03-11

    申请号：US17099781

    申请日：2020-11-17

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Jong Min JANG ,  Chang Yeon KIM

    IPC: H01L33/38 ,  H01L33/14 ,  H01L27/15 ,  H01L25/075 ,  H01L33/08 ,  H01L33/06

    Abstract: A light emitting device including a first light emitting part including a first n-type semiconductor layer, a first active layer, a first p-type semiconductor layer, and a first transparent electrode, a second light emitting part disposed over the first light emitting part and including a second n-type semiconductor layer, a second active layer, a second p-type semiconductor layer, and a second transparent electrode, and a third light emitting part disposed over the second light emitting part and including a third n-type semiconductor layer, a third active layer, a third p-type semiconductor layer, and a third transparent electrode, in which the light emitting device has substantially a quadrangular shape when viewed from the top, and has first to fourth corners, and a length between first and second corners of the third light emitting part is less than a length between third and fourth corners of the third light emitting part.

    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    27.
    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.

    SUBSTRATE RECYCLING METHOD AND RECYCLED SUBSTRATE
    30.
    发明申请
    SUBSTRATE RECYCLING METHOD AND RECYCLED SUBSTRATE 有权
    衬底回收方法和回收衬底

    公开(公告)号：US20140138702A1

    公开(公告)日：2014-05-22

    申请号：US14085876

    申请日：2013-11-21

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Joo Won CHOI ,  Chang Yeon KIM ,  Jeong Hoon HEO ,  Young Wug KIM ,  Su Yeon HONG ,  Sang Wan RYU

    IPC: H01L21/02 ,  H01L29/20

    CPC classification number: H01L21/02032 ,  H01L21/02013 ,  H01L21/02019 ,  H01L29/2003 ,  H01L33/007 ,  H01L33/0079

    Abstract: Exemplary embodiments of the present invention provide a substrate recycling method and a recycled substrate. The method includes separating a substrate having a first surface from an epitaxial layer, performing a first etching of the first surface using electrochemical etching, and performing, after the first etching, a second etching of the first surface using chemical etching, dry etching, or performing, after the first etching, chemical mechanical polishing of the first surface.

    Abstract translation: 本发明的示例性实施方案提供了基材回收方法和再循环基材。 该方法包括将具有第一表面的衬底与外延层分离，使用电化学蚀刻来执行第一表面的第一蚀刻，以及在第一蚀刻之后，使用化学蚀刻，干蚀刻或 在第一次蚀刻之后进行第一表面的化学机械抛光。

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