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    Light emitting device and display apparatus including the same
    31.
    发明授权
    Light emitting device and display apparatus including the same 有权

    公开(公告)号：US11824145B2

    公开(公告)日：2023-11-21

    申请号：US17509050

    申请日：2021-10-24

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Chung Hoon Lee ,  Sung Su Son ,  Jong Ik Lee ,  Jae Hee Lim ,  Motonobu Takeya ,  Seung Sik Hong

    IPC: H01L33/50 ,  H01L25/075 ,  H01L33/62

    CPC classification number: H01L33/504 ,  H01L25/0753 ,  H01L33/62

    Abstract: A display apparatus including a substrate, a first sub-pixel, a second sub-pixel, and a third sub-pixel disposed on the substrate and configured to emit red light, green light, and blue light, respectively, partition walls disposed between the first sub-pixel, the second sub-pixel, and the third sub-pixel, and configured to not transmit light, in which the first sub-pixel, the second sub-pixel, and the third sub-pixel include a first light emitting cell, a second light emitting cell, and a third light emitting cell, respectively, and a height of each of the first, second, and third light emitting cells is lower than a height of the partition walls, and a difference between the height of the partition walls and the height of each of the first, second, and third light emitting cells is less than 100 μm.

    LIGHT EMITTING DEVICE WITH LED STACK FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    34.
    发明申请
    LIGHT EMITTING DEVICE WITH LED STACK FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20230033645A1

    公开(公告)日：2023-02-02

    申请号：US17963147

    申请日：2022-10-10

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Seong Gyu JANG ,  Ho Joon Lee ,  Jong Hyeon Chae ,  Chung Hoon Lee

    IPC: H01L25/13 ,  H01L25/075 ,  H01L33/38 ,  H01L33/40 ,  H01L33/50

    Abstract: A light emitting diode pixel for a display includes a first subpixel including a first LED sub-unit, a second subpixel including a second LED sub-unit, a third subpixel including a third LED sub-unit, and a bonding layer overlapping the first, second, and third subpixels, in which each of the first, second, and third LED sub-units includes a first type of semiconductor layer and a second type of semiconductor layer, each of the first, second, and third LED sub-units is disposed on a different plane, and light generated from the second subpixel is configured to be emitted to an outside of the light emitting diode pixel by passing through a lesser number of LED sub-units than light generated from the first subpixel and emitted to the outside.

    LIGHT EMITTING DIODE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    35.
    发明申请
    LIGHT EMITTING DIODE FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20220392879A1

    公开(公告)日：2022-12-08

    申请号：US17844653

    申请日：2022-06-20

    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 ,  H01L33/00 ,  H01L27/15 ,  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.

    Display apparatus
    37.
    发明授权
    Display apparatus 有权

    公开(公告)号：US11476236B2

    公开(公告)日：2022-10-18

    申请号：US16674016

    申请日：2019-11-05

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Chung Hoon Lee

    IPC: H01L25/075 ,  H01L33/08 ,  H01L33/44 ,  H01L33/62 ,  H01L23/00 ,  H01L33/32

    Abstract: A display apparatus including a flexible substrate, a plurality of light emitting devices spaced apart from one another and disposed on the flexible substrate, and a light shielding layer disposed between the light emitting devices, and partially covering the light emitting devices to define light extraction surfaces, in which a distance between adjacent light extraction areas is the same.

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