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    LIGHT EMITTING ELEMENT AND DISPLAY DEVICE INCLUDING THE SAME
    3.
    发明公开
    LIGHT EMITTING ELEMENT AND DISPLAY DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20230207740A1

    公开(公告)日：2023-06-29

    申请号：US17969072

    申请日：2022-10-19

    Applicant: Samsung Display Co., LTD.

    Inventor： Jong Jin LEE ,  Si Sung KIM ,  Hyung Seok KIM ,  Dong Eon LEE

    IPC: H01L33/44 ,  H01L33/38 ,  H01L25/16

    CPC classification number: H01L33/44 ,  H01L33/38 ,  H01L25/167 ,  H01L33/0093

    Abstract: A light emitting element includes a light emitting element core extending in a direction and including first and second semiconductor layers and an element active layer disposed between the first and second semiconductor layers. The light emitting element includes an element electrode layer on the second semiconductor layer of the light emitting element core, and an element insulating film surrounding a side surface of the light emitting element core and a side surface of the element electrode layer. The element electrode layer overlaps the second semiconductor layer in the direction the light emitting element core extends, an area of the element electrode layer in plan view is smaller than an area of the second semiconductor layer in plan view, and the element insulating film completely exposes a surface of the element electrode layer, the surface being opposite to another surface of the element electrode layer facing the second semiconductor layer.

    LIGHT EMITTING ELEMENT AND DISPLAY DEVICE INCLUDING THE SAME
    4.
    发明申请
    LIGHT EMITTING ELEMENT AND DISPLAY DEVICE INCLUDING THE SAME 有权

    公开(公告)号：US20230073501A1

    公开(公告)日：2023-03-09

    申请号：US17894894

    申请日：2022-08-24

    Applicant: Samsung Display Co., LTD.

    Inventor： Si Sung KIM ,  Hyun Min CHO ,  Hyung Seok KIM ,  Jong Jin LEE ,  Dong Eon LEE

    IPC: H01L33/24 ,  H01L27/15 ,  H01L33/00 ,  H01L33/44

    Abstract: A light emitting element includes a first semiconductor layer, a second semiconductor layer on the first semiconductor layer, and an element active layer between the first semiconductor layer and the second semiconductor layer. The first semiconductor layer, the element active layer, and the second semiconductor layer are sequentially located along a first direction. A thickness of the first semiconductor layer in the first direction is greater than a thickness of the second semiconductor layer in the first direction. A cross section of the element active layer taken along the first direction includes a first side facing the first semiconductor layer, a second side facing the second semiconductor layer, a first lateral side connecting one end of the first side to one end of the second side, and a second lateral side connecting an other end of the first side to an other end of the second side.

    DISPLAY DEVICE AND LIGHT EMITTING ELEMENT
    5.
    发明申请
    DISPLAY DEVICE AND LIGHT EMITTING ELEMENT 有权

    公开(公告)号：US20250081673A1

    公开(公告)日：2025-03-06

    申请号：US18819017

    申请日：2024-08-29

    Applicant: Samsung Display Co., LTD.

    Inventor： So Young LEE ,  Bong Chun PARK ,  Kwan Jae LEE ,  Dong Eon LEE ,  Seung A LEE ,  Jong Jin LEE

    IPC: H01L33/14 ,  H01L25/16 ,  H01L33/62

    Abstract: A display device includes a first electrode and a second electrode spaced apart from each other, and light emitting elements disposed between the first electrode and the second electrode. Each of the light emitting elements include a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer. Each of the light emitting elements emits light with a wavelength in a range of about 464 nm to about 468 nm at a current density in a range of about 0.5 A/cm2 to about 100 A/cm2, and has a maximum external quantum efficiency greater than or equal to about 15%.

    LIGHT EMITTING ELEMENT, DISPLAY DEVICE INCLUDING THE SAME, AND MANUFACTURING METHOD OF LIGHT EMITTING ELEMENT
    7.
    发明申请
    LIGHT EMITTING ELEMENT, DISPLAY DEVICE INCLUDING THE SAME, AND MANUFACTURING METHOD OF LIGHT EMITTING ELEMENT 有权

    公开(公告)号：US20230062301A1

    公开(公告)日：2023-03-02

    申请号：US17704659

    申请日：2022-03-25

    Applicant: Samsung Display Co., LTD.

    Inventor： Hyung Seok KIM ,  Si Sung KIM ,  Jong Jin LEE ,  Dong Eon LEE

    IPC: H01L33/44 ,  H01L25/16 ,  H01L33/38 ,  H01L33/00

    Abstract: A light emitting element includes a first semiconductor layer; an emission layer disposed on the first semiconductor layer; a second semiconductor layer disposed on the emission layer; an electrode layer disposed on the second semiconductor layer; and an insulating film surrounding side surfaces of the first semiconductor layer, the emission layer, and the second semiconductor layer and surrounding a portion of the electrode layer at an end portion of the light emitting element on which the electrode layer is disposed. The electrode layer includes a first surface adjacent to the second semiconductor layer; a second surface facing the first surface and having a width less than a width of the first surface; and a side surface that connects the first surface and the second surface and has a slope in a range of about 75° to about 90° with respect to the first surface of the electrode layer.

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