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    LIGHT EMITTING DEVICE
    1.
    发明公开
    LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20230204192A1

    公开(公告)日：2023-06-29

    申请号：US18068175

    申请日：2022-12-19

    申请人： NICHIA CORPORATION

    发明人： Yusuke HAYASHI ,  Satoshi SHICHIJO ,  Hiroki FUKUTA

    IPC分类号： F21V9/30 ,  F21V7/04

    CPC分类号： F21V9/30 ,  F21V7/04

    摘要： A light emitting device includes: a light emitting element configured to emit first light; a first wavelength conversion member disposed on the light emitting element and having a lower surface bonded to the light emitting element, an upper surface, and a lateral surface that meets the upper surface, the first wavelength conversion member being configured to emit second light when excited by the first light; a second wavelength conversion member covering the lateral surface of the first wavelength conversion member without covering the upper surface of the first wavelength conversion member, the second wavelength conversion member having an oblique surface extending outward from the lateral surface of the first wavelength conversion member, the second wavelength conversion member being configured to emit third light when excited by at least one of the first light and the second light; and a first light reflecting member covering the oblique surface.

    LIGHT-EMITTING DEVICE
    2.
    发明公开
    LIGHT-EMITTING DEVICE 审中-公开

    公开(公告)号：US20240027034A1

    公开(公告)日：2024-01-25

    申请号：US18352571

    申请日：2023-07-14

    申请人： NICHIA CORPORATION

    发明人： Satoshi SHICHIJO ,  Tatsuya HAYASHI ,  Yusuke HAYASHI ,  Masahiro OKAZAKI

    IPC分类号： F21K9/64 ,  F21S41/176 ,  F21K9/68

    CPC分类号： F21K9/64 ,  F21S41/176 ,  F21K9/68 ,  F21Y2115/10

    摘要： A light-emitting device includes a light-emitting element, a light-transmissive member, and a light adjustment member. The light adjustment member exposes a first upper surface and covers a second upper surface and a first lateral surface of the light-transmissive member. The light-transmissive member has a thickness from a lower surface to the first upper surface larger than a thickness from the lower surface to the second upper surface. In a plan view, first and second light-emitting regions have the first and second upper surfaces of the light-transmissive member, respectively, and an area of the second light-emitting region is in a range from 35% to 95% of an area of a light-emitting region. A boundary between the first and second light-emitting regions includes first and second points on a perimeter of a light-emitting region, and a straight line connecting the first and second points extends across the light-emitting region.

    LIGHT-EMITTING DEVICE
    3.
    发明公开
    LIGHT-EMITTING DEVICE 审中-公开

    公开(公告)号：US20240247769A1

    公开(公告)日：2024-07-25

    申请号：US18625067

    申请日：2024-04-02

    申请人： NICHIA CORPORATION

    发明人： Satoshi SHICHIJO ,  Tatsuya HAYASHI ,  Yusuke HAYASHI ,  Masahiro OKAZAKI

    IPC分类号： F21K9/64 ,  F21K9/68 ,  F21S41/176 ,  F21Y115/10

    CPC分类号： F21K9/64 ,  F21K9/68 ,  F21S41/176 ,  F21Y2115/10

    摘要： A light-emitting device includes a light-emitting element, a light-transmissive member, and a first light adjustment member. The light-transmissive member has a first upper surface, a second upper surface, a lower surface facing a first surface of a support substrate of the light-emitting element, a first lateral surface contiguous with the first upper surface and the second upper surface, a second lateral surface contiguous with the second upper surface and the lower surface, and a third lateral surface contiguous with the first upper surface and the lower surface. The first light adjustment member exposes the first upper surface of the light-transmissive member and covers the second upper surface and the first lateral surface of the light-transmissive member. The light-transmissive member and the first light adjustment member collectively define a rectangular cross-sectional shape.

    LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE LIGHT EMITTING DEVICE
    6.
    发明申请
    LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20180331084A1

    公开(公告)日：2018-11-15

    申请号：US15970142

    申请日：2018-05-03

    申请人： NICHIA CORPORATION

    发明人： Hiroaki UKAWA ,  Yusuke HAYASHI

    IPC分类号： H01L25/16 ,  H01L23/00 ,  H01L29/866 ,  H01L33/50 ,  H01L33/52 ,  H01L33/56 ,  H01L33/60 ,  H01L33/62

    摘要： A light emitting device includes: a base comprising a first lead, a second lead, and a supporting member; a light emitting element mounted on the first lead; a protection element mounted on the second lead; a wire including a first end and a second end, wherein the first end is connected to an upper surface of the first lead, and the second end is connected to a first terminal electrode of the protection element; a resin frame located on an upper surface of the base, wherein the resin frame covers at least part of the protection element and surrounds the light emitting element and the first end of the wire; a first resin member surrounded by the resin frame and covering the light emitting element and the first end of the wire; and a second resin member covering the resin frame and the first resin member.

    LIGHT EMITTING DEVICE
    8.
    发明公开
    LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20230392769A1

    公开(公告)日：2023-12-07

    申请号：US18451215

    申请日：2023-08-17

    申请人： NICHIA CORPORATION

    发明人： Yusuke HAYASHI ,  Satoshi SHICHIJO ,  Hiroki FUKUTA

    IPC分类号： F21V9/30 ,  F21V7/04

    CPC分类号： F21V9/30 ,  F21V7/04

    摘要： A light emitting device includes: a substrate; a light emitting element disposed on the substrate; a first wavelength conversion member disposed on the light emitting element and having a lower surface bonded to the light emitting element, an upper surface opposite the lower surface, and a lateral surface that meets the upper surface; a first light reflecting member disposed on an upper surface of the substrate and covering lateral surfaces of the light emitting element; and a second wavelength conversion member disposed on the first light reflecting member, on the upper surface of the substrate, and on the lateral surface of the first wavelength conversion member without covering the upper surface of the first wavelength conversion member.

    LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF
    9.
    发明公开
    LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF 审中-公开

    公开(公告)号：US20230352635A1

    公开(公告)日：2023-11-02

    申请号：US18306566

    申请日：2023-04-25

    申请人： NICHIA CORPORATION

    发明人： Tatsuya HAYASHI ,  Shinya OKURA ,  Yusuke HAYASHI

    IPC分类号： H01L33/50 ,  H01L33/62 ,  H01L33/60

    CPC分类号： H01L33/502 ,  H01L33/505 ,  H01L33/62 ,  H01L33/60 ,  H01L2933/0041 ,  H01L2933/0058

    摘要： A light-emitting device includes a light-emitting element, a wavelength conversion member, and a light adjustment member. The light-emitting element includes a support substrate, and a first light-emitting portion and a second light-emitting portion disposed adjacent to each other. The wavelength conversion member is configured to perform wavelength conversion of first light emitted from the first light-emitting portion and second light emitted from the second light-emitting portion into third light. The light adjustment member overlaps one of the first light-emitting portion and the second light-emitting portion in a plan view. In the light-emitting element, an emission intensity of the first light at a light emission peak wavelength of the second light is lower than an emission intensity of the second light at the light emission peak wavelength of the second light, during light emission of the light-emitting device.