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公开(公告)号：US11480317B2
公开(公告)日：2022-10-25
申请号：US17409251
申请日：2021-08-23
Inventor： Toshiaki Takenaka , Shintaro Hayashi , Shogo Motegi , Yudai Shibata , Fumiya Yagi , Takeshi Abe
Abstract: A light source device includes a plurality of light sources; a condensing optical member; a fluorescent unit that converts at least a portion of the light from the light sources and condensed by the optical member into light including converted light and light from the light sources; and a sensor that detects an anomaly in the fluorescent unit, such sensor disposed within a circular area circumscribed by the light sources.
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公开(公告)号：US11022277B2
公开(公告)日：2021-06-01
申请号：US16822745
申请日：2020-03-18
Inventor： Yudai Shibata , Shintaro Hayashi
IPC: F21V9/00 , F21V9/32 , F21V5/04 , F21V29/502 , F21V29/74 , H01S5/323 , H01S5/02251 , F21Y115/30
Abstract: A wavelength converter includes a base, a wavelength converting component that converts a wavelength of at least part of excitation light to emit converted light, and an optical filter disposed between the base and the wavelength converting component. The optical filter transmits or absorbs, out of the converted light including a wavelength range of from approximately 470 nm to approximately 750 nm, converted light of a predetermined wavelength included in the wavelength range.
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公开(公告)号：US10309598B2
公开(公告)日：2019-06-04
申请号：US15396901
申请日：2017-01-03
Inventor： Hirotaka Matsunami , Shintaro Hayashi
IPC: F21K9/64 , F21K9/90 , F21V9/30 , G02B3/00 , G02B5/02 , F21S10/02 , G02B1/116 , F21Y115/10 , F21Y115/20 , F21Y115/30
Abstract: A luminaire includes an excitation light source which emits excitation light. A first fluorescent plate includes a first principle surface disposed across the optical axis of the excitation light. A first phosphor layer is arranged discretely along the first principle surface. A second fluorescent plate is arranged at the downstream side of the excitation light with respect to the first fluorescent plate. The second fluorescent plate includes a second principle surface disposed across the optical axis. A second phosphor layer is arranged discretely along the second principle surface. The second phosphor layer has a wavelength conversion characteristic different from a wavelength conversion characteristic of the first phosphor layer. A support supports the first fluorescent plate and the second fluorescent plate such that at least one of relative positions and rotations of the first fluorescent plate and the second fluorescent plate are adjustable.
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公开(公告)号：US10162170B2
公开(公告)日：2018-12-25
申请号：US15659766
申请日：2017-07-26
Inventor： Kazuyuki Yamae , Shintaro Hayashi
IPC: F21V7/04 , G01S1/00 , G09B9/00 , H01S3/00 , H01S3/30 , G02B23/24 , F21V9/30 , G02B19/00 , A61B1/06 , G02B27/09 , F21Y115/30
Abstract: An optical device includes: an excitation light source; a first light transmitter that transmits excitation light emitted from the excitation light source; a fluorescent light part that is disposed on a surface of the first light transmitter opposite a surface through which the excitation light enters, and emits fluorescent light from the excitation light; a second light transmitter that interposes the fluorescent light part with the first light transmitter, and transmits light emitted from the fluorescent light part; a light transmission fiber that guides the light exiting from the second light transmitter; and a microfabricated film that is disposed on a side of the second light transmitter closer to the light transmission fiber, and collects, toward the light transmission fiber, the light emitted from the fluorescent light part.
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公开(公告)号：US10094739B2
公开(公告)日：2018-10-09
申请号：US15658589
申请日：2017-07-25
Inventor： Shintaro Hayashi
Abstract: A light-emitting apparatus includes: a radiation apparatus which includes a first laser diode and a second laser diode; a light guide which includes a first photoreceptor, a second photoreceptor, and a leak, and guides laser light received by the first photoreceptor and the second photoreceptor, the leak allowing leakage laser light to be leaked out in a direction crossing a light-guiding direction, the leakage laser light being part of the laser light; a converter which converts a wavelength of the leakage laser light leaked out of the light guide; and a detector which detects, at a non-radiation time in which laser light is not radiated, an electromotive force of the first laser diode, the electromotive force being based on laser light radiated by the second laser diode.
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Patent Agency Ranking
公开(公告)号：US09425373B2
公开(公告)日：2016-08-23
申请号：US14774207
申请日：2014-03-11
Inventor： Takanori Aketa , Yoshiharu Sanagawa , Mitsuhiko Ueda , Takaaki Yoshihara , Shintaro Hayashi , Toshihiko Sato
IPC: H01L33/64 , H01L33/62 , H01L23/00 , H01L27/15 , H01L33/38 , H01L33/40 , H01L33/54 , H01L33/56 , H01L33/60
CPC classification number: H01L33/647 , H01L24/32 , H01L27/156 , H01L33/387 , H01L33/40 , H01L33/54 , H01L33/56 , H01L33/60 , H01L33/62 , H01L33/64 , H01L33/641 , H01L33/642 , H01L2224/48091 , H01L2224/73265 , H01L2924/12041 , H01L2924/15787 , H01L2924/00014 , H01L2924/00
Abstract: A light emitting module includes: a first substrate including a resin having insulation properties, and a copper component embedded in the resin; a second substrate placed above the copper component of the first substrate, and soldered to the copper component; a mounting electrode formed above the second substrate; and an LED placed above the second substrate, and gold-tin soldered to the mounting electrode.
Abstract translation: 发光模块包括：包括具有绝缘性的树脂的第一基板和嵌入树脂中的铜成分; 位于第一基板的铜部件上方的第二基板，并焊接到铜部件上; 形成在所述第二基板上方的安装电极; 以及放置在第二基板上方的LED，并将金锡焊接到安装电极。
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公开(公告)号：US10928038B2
公开(公告)日：2021-02-23
申请号：US16822504
申请日：2020-03-18
Inventor： Yudai Shibata , Shintaro Hayashi
Abstract: A wavelength converting member includes a first wavelength converting material and a second wavelength converting material. The emission wavelength of the second wavelength converting material is longer than the emission wavelength of the first wavelength converting material, and in the second wavelength converting material, the time from when excitation light stops to when fluorescence stops is an afterglow time, and the afterglow time is longer than the emission time of the first wavelength converting material and is 1 s or less. A light source device includes the wavelength converting member and a light source unit. A lighting device includes the wavelength converting member, a light source device, and a light guide disposed between the light source unit and the wavelength converting member.
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公开(公告)号：US10912452B2
公开(公告)日：2021-02-09
申请号：US15951511
申请日：2018-04-12
Inventor： Masahito Yamana , Noboru Iizawa , Shintaro Hayashi
Abstract: An illumination light guiding device includes a phosphor layer that is disposed on another surface opposite to one surface of a board, and converts the wavelengths of a plurality of light beams transmitted through the board and incident on one surface of the phosphor layer, and an emission-side fiber including a plurality of optical fibers that are provided so as to be erected side by side on another surface opposite to one surface of the phosphor layer, each optical fiber guiding a different one of the plurality of light beams having wavelengths converted by the phosphor layer.
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公开(公告)号：US10120116B2
公开(公告)日：2018-11-06
申请号：US15658618
申请日：2017-07-25
Inventor： Shintaro Hayashi
Abstract: A light-emitting apparatus includes: a first light guide which includes a first photoreceptor, a second photoreceptor, and a leak, the first light guide guiding light radiated by a radiation apparatus and received by the first photoreceptor and the second photoreceptor, the leak allowing leakage light to be leaked out, the leakage light being part of the light; a converter which converts a wavelength of the leakage light leaked out of the first light guide; a second light guide which is disposed along the first light guide, the second light guide guiding the light radiated by the radiation apparatus and received by a third photoreceptor to the second photoreceptor; and a protector which is tubular and in which the first light guide and the second light guide are disposed such that the first photoreceptor and the third photoreceptor are disposed at a same open end.
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公开(公告)号：US10119908B2
公开(公告)日：2018-11-06
申请号：US15383155
申请日：2016-12-19
Inventor： Shintaro Hayashi , Shinichi Kitaoka , Hirotaka Matsunami
Abstract: A particle sensor is provided. The particle sensor includes a light projector that projects light to a detection area. A light receiver receives scattered light. The scattered light is light from the light projector that has been scattered by particles in the detection area. A first reflector reflects the scattered light to the light receiver. A light attenuator attenuates stray light that exits the first reflector. The first reflector includes a first aperture that introduces the light from the light projector into an interior of the first reflector and a second aperture that exits the stray light from the first reflector. The light attenuator includes a third aperture through which the stray light that exits the first reflector passes. An aperture area of the third aperture is smaller than an aperture area of the second aperture.
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