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    PLANAR LIGHT SOURCE AND DISPLAY DEVICE
    1.
    发明申请
    PLANAR LIGHT SOURCE AND DISPLAY DEVICE 有权

    公开(公告)号：US20230025627A1

    公开(公告)日：2023-01-26

    申请号：US17866678

    申请日：2022-07-18

    Applicant: NICHIA CORPORATION

    Inventor： Shinya KONDO ,  Takuya NAKABAYASHI

    IPC: F21V8/00

    Abstract: A planar light source includes: a support member including a wiring substrate, a light guide member, a light source disposed in a hole of the light guide member, and a first reinforcing member disposed on the support member and surrounding the light guide member in a plan view. The first reinforcing member includes first and second portions extending in a first direction and facing each other, and includes third and fourth portions extending in a second direction orthogonal to the first direction and facing each other. At least one of the first portion, the second portion, the third portion, and the fourth portion has light reflectivity to light emitted from the light source. In the plan view, the light guide member is located between the first and second portions in the second direction, and is located between the third and fourth portions in the first direction.

    LIGHT-EMITTING MODULE
    2.
    发明申请
    LIGHT-EMITTING MODULE 有权

    公开(公告)号：US20220003915A1

    公开(公告)日：2022-01-06

    申请号：US17305185

    申请日：2021-07-01

    Applicant: NICHIA CORPORATION

    Inventor： Takuya NAKABAYASHI ,  Daisuke KASAI ,  Takao NAKAUCHI

    IPC: F21V8/00

    Abstract: A light-emitting module includes: a plurality of light sources; and a lightguide plate including a plurality of light source placement sections, in each of which at least one light source is arranged, arrayed in a first direction and a second direction orthogonal to the first direction. The lightguide plate defines at least one first-A light control groove and at least one first-B light control groove that extend parallel to the second direction between a first light source placement section and a second light source placement section adjacent to the first light source placement section in the first direction, and at least one second-A light control groove and at least one second-B light control groove that extend parallel to the first direction between the first light source placement section and a third light source placement section adjacent to the first light source placement section in the second direction.

    LIGHT EMITTING DEVICE
    3.
    发明申请
    LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20200136002A1

    公开(公告)日：2020-04-30

    申请号：US16729319

    申请日：2019-12-28

    Applicant: NICHIA CORPORATION

    Inventor： Takuya NAKABAYASHI ,  Akira HORI

    IPC: H01L33/64 ,  H01L33/60 ,  H01L33/32 ,  H01L33/56 ,  H01L33/62 ,  H01L33/48 ,  H01L33/50 ,  H01L33/54

    Abstract: A light emitting device includes a substrate, a light emitting element and a light transmissive member. The substrate includes an insulating base material having a first main surface, a second main surface that is opposite from the first main surface, and a mounting surface that is adjacent to at least the second main surface, a pair of connection terminals disposed on the first main surface, a heat dissipation terminal disposed on the second main surface, and having a narrow part and a wide part with a width of the wide part being wider than a width of the narrow part, and a pair of vias connecting the connection terminals and the heat dissipation terminal. The light emitting element has a pair of electrodes which connect to element connection sections of the pair of connection terminals. The light transmissive member is disposed on an upper surface of the light emitting element.

    LIGHT EMITTING DEVICE
    4.
    发明申请
    LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20190237634A1

    公开(公告)日：2019-08-01

    申请号：US16257714

    申请日：2019-01-25

    Applicant: NICHIA CORPORATION

    Inventor： Takuya NAKABAYASHI ,  Tetsuya ISHIKAWA

    IPC: H01L33/50 ,  H01L33/56 ,  H01L33/60

    Abstract: A light emitting device includes a light emitting element including a first surface; a light guide member covering at least a part of a lateral surface of the light emitting element; a first wavelength conversion member covering the first surface and including a first wavelength conversion particles; and a reflective member being in contact with the light emitting element. The first wavelength conversion member has a thickness of 60 μm or more and 120 μm or less. The first wavelength conversion particles have an average particle size of 4 μm or longer and 12 μm or smaller; the first wavelength conversion particles have a central particle size of 4 μm or longer and 12 μm or smaller. A weight ratio of the first wavelength conversion particles is 60% by weight or more and 75% by weight or less with respect to the total weight of the first wavelength conversion member.

    LIGHT EMITTING DEVICE
    5.
    发明申请
    LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20190198738A1

    公开(公告)日：2019-06-27

    申请号：US16229666

    申请日：2018-12-21

    Applicant: NICHIA CORPORATION

    Inventor： Takuya NAKABAYASHI ,  Gensui TAMURA

    IPC: H01L33/64 ,  H01L33/60 ,  H01L33/62 ,  H01L33/48

    CPC classification number: H01L33/642 ,  H01L33/486 ,  H01L33/60 ,  H01L33/62 ,  H01L33/647

    Abstract: A light emitting device includes a substrate including a base member including a front surface, a rear surface opposite to the front surface, a bottom surface perpendicular to the front surface, and a top surface opposite to the bottom surface, a first wiring portion located on the front surface, and a second wiring portion located on the rear surface; a light emitting element electrically connected with the first wiring portion; and a first reflective member covering a lateral surface of the light emitting element and the front surface of the base member. The base member has a recessed portion opened on the rear surface and the bottom surface. The substrate includes a third wiring portion covering an inner wall of the recessed portion and electrically connected with the second wiring portion, and a via in contact with the first wiring portion, the second wiring portion and the third wiring portion.

    LIGHT EMITTING DEVICE
    7.
    发明申请
    LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20190148608A1

    公开(公告)日：2019-05-16

    申请号：US16226201

    申请日：2018-12-19

    Applicant: NICHIA CORPORATION

    Inventor： Takuya NAKABAYASHI

    IPC: H01L33/56 ,  H01L33/46 ,  H01L25/075 ,  H01L33/08 ,  H01L33/38

    Abstract: A light emitting device includes a plurality of light emitting elements, a light-transmissive member, and a covering member. The light emitting elements each has a pair of electrodes on a lower surface thereof. The light-transmissive member includes a plurality of recesses on a lower surface thereof with the light emitting elements being respectively accommodated in the recesses so that light from the light emitting elements transmits through the light-transmissive member. The covering member surrounds an outer periphery of each of the light emitting elements, and constitutes a part of a lower surface and a part of an outermost lateral surface of the light emitting device. The covering member is in contact with a part of each of the light emitting elements. Lower surfaces of the electrodes are exposed from the covering member at the lower surface of the light emitting device.

    LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME
    8.
    发明申请
    LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME 审中-公开

    公开(公告)号：US20190140152A1

    公开(公告)日：2019-05-09

    申请号：US16218292

    申请日：2018-12-12

    Applicant: NICHIA CORPORATION

    Inventor： Suguru BEPPU ,  Yoichi BANDO ,  Hiroto TAMAKI ,  Takuya NAKABAYASHI

    IPC: H01L33/60 ,  H01L33/50

    Abstract: A light emitting device includes a semiconductor light emitting element; and a light reflective member having a multilayer structure and covering the side faces of the semiconductor light emitting element. The light reflective member includes: a first layer disposed on an inner, semiconductor light emitting element side, the first layer comprising a light-transmissive resin containing a light reflective substance, and a second layer disposed in contact with an outer side of the first layer, the second layer comprising a light-transmissive resin containing the light reflective substance at a lower content than that of the first layer.

    LIGHT-EMITTING DEVICE
    10.
    发明申请
    LIGHT-EMITTING DEVICE 审中-公开

    公开(公告)号：US20190013443A1

    公开(公告)日：2019-01-10

    申请号：US16027950

    申请日：2018-07-05

    Applicant: NICHIA CORPORATION

    Inventor： Takuya NAKABAYASHI ,  Tadaaki IKEDA

    IPC: H01L33/48 ,  H01L33/60 ,  H01L33/62

    CPC classification number: H01L33/486 ,  H01L25/0753 ,  H01L33/44 ,  H01L33/50 ,  H01L33/507 ,  H01L33/60 ,  H01L33/62

    Abstract: A light-emitting device includes a substrate including a base member having an upper surface having a substantially rectangular shape, a lower surface opposite to the upper surface, a first longer lateral surface, a second longer lateral surface opposite to the first longer lateral surface, a first shorter lateral surface, and a second shorter lateral surface opposite to the first shorter lateral surface, first wirings disposed on the upper surface, and second wirings disposed on the lower surface and each electrically connected with a respective one of the first wirings; at least one light-emitting element; and a light-reflective covering member covering lateral surfaces of the light-emitting element and the upper surface of the base member. The base member has at least one first recess open at the upper surface and the first longer lateral surface. Surfaces defining the at least one first recess are covered with the covering member.

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