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公开(公告)号：US20220317481A1
公开(公告)日：2022-10-06
申请号：US17807741
申请日：2022-06-20
发明人： AKIRA HASHIYA , YASUHISA INADA , KAZUKI NAKAMURA
摘要： An optical device includes a plurality of optical waveguides, and a planar optical waveguide. The plurality of optical waveguides each extend in a first direction, and are arranged in a second direction intersecting the first direction. The planar optical waveguide is connected directly or indirectly with the plurality of optical waveguides. The plurality of optical waveguides each allow light to propagate in the first direction. The planar optical waveguide includes a first mirror and a second mirror, and an optical waveguide layer. The first mirror and the second mirror face each other, and extend in the first direction and the second direction. The optical waveguide layer is located between the first mirror and the second mirror.
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公开(公告)号：US20170051885A1
公开(公告)日：2017-02-23
申请号：US15206273
申请日：2016-07-10
发明人： TAKU HIRASAWA , YASUHISA INADA , AKIRA HASHIYA , NOBUAKI NAGAO , AKIRA TSUJIMOTO
CPC分类号： F21K9/64 , F21V5/04 , F21V9/30 , F21Y2115/10 , F21Y2115/30
摘要： A light-emitting apparatus includes an excitation light source that emits first light; a light-emitting device on an optical path of the first light, the light-emitting device emitting second light having a wavelength in air; and a first converging lens on an optical path of the second light. The light-emitting device comprises: a photoluminescent layer that emits the second light by being excited by the first light; and a light-transmissive layer on the photoluminescent layer. At least one of the photoluminescent layer and the light-transmissive layer has a surface structure comprising projections or recesses arranged perpendicular to a thickness direction of the photoluminescent layer. At least one of the photoluminescent layer and the light-transmissive layer has a light emitting surface perpendicular to the thickness direction, the second light emitted from the light emitting surface. The surface structure limits the directional angle of the second light emittied from the light emitting surface.
摘要翻译： 发光装置包括发射第一光的激发光源; 在所述第一光的光路上的发光装置，所述发光装置发射在空气中具有波长的第二光; 以及在第二光的光路上的第一会聚透镜。 发光装置包括：通过被第一光激发而发射第二光的光致发光层; 和光致发光层上的透光层。 光致发光层和透光层中的至少一个具有包括垂直于光致发光层的厚度方向布置的突起或凹陷的表面结构。 光致发光层和透光层中的至少一个具有垂直于厚度方向的发光表面，从发光表面发射的第二光。 表面结构限制从发光表面发射的第二光的方向角。
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公开(公告)号：US20160359091A1
公开(公告)日：2016-12-08
申请号：US15169771
申请日：2016-06-01
发明人： AKIRA HASHIYA , TAKU HIRASAWA , YASUHISA INADA , MIKIKO MATSUO
CPC分类号： H01L33/508 , H01L33/44
摘要： A light-emitting apparatus comprising a photoluminescent layer that emits light in response to excitation light and has a light-emitting surface, the light from the photoluminescent layer being emitted through the light-emitting surface. The light-emitting surface includes a first region and a second region. The light from the photoluminescent layer includes first light having a wavelength λa in air. The first light emitted through the first region has a smaller directional angle than the first light emitted through the second region.
摘要翻译： 一种发光装置，包括响应于激发光发光并具有发光表面的光致发光层，来自光致发光层的光通过发光表面发射。 发光面包括第一区域和第二区域。 来自光致发光层的光包括在空气中具有波长λa的第一光。 通过第一区域发射的第一光具有比通过第二区域发射的第一光更小的方向角度。
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公开(公告)号：US20230273501A1
公开(公告)日：2023-08-31
申请号：US18313416
申请日：2023-05-08
CPC分类号： G02F1/295 , G02F1/1326 , G02F1/0142 , G02F1/0113
摘要： An optical device includes a plurality of optical waveguide units arranged in a first direction. Each of the optical waveguide units includes a first mirror having a first reflecting surface, a second mirror having a second reflecting surface facing the first reflecting surface, and at least one optical waveguide region located between the first mirror and the second mirror. The distance between the first reflecting surface and the second reflecting surface is different for each of the optical waveguide units.
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公开(公告)号：US20210165081A1
公开(公告)日：2021-06-03
申请号：US17154402
申请日：2021-01-21
发明人： HIROYUKI TAKAGI , TAKU HIRASAWA , AKIRA HASHIYA , YASUHISA INADA
摘要： An optical device includes a first mirror, a second mirror facing the first mirror, an optical waveguide layer, located between the first mirror and the second mirror, that contains a material whose refractive index changes when a voltage is applied, first and second electrodes directly or indirectly holding the optical waveguide layer therebetween, the first electrode including a plurality of electrode sections arranged in a first direction, and a control circuit. The light is emitted via the first mirror from the optical waveguide layer, or the light is taken into the optical waveguide layer via the first mirror.
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公开(公告)号：US20200003873A1
公开(公告)日：2020-01-02
申请号：US16568247
申请日：2019-09-12
摘要： An optical scanning device includes: first and second mirrors; an optical waveguide layer disposed between the first and second mirrors; a pair of electrodes sandwiching the optical waveguide layer; and a driving circuit that applies a voltage to the pair of electrodes. The first mirror has a higher light transmittance than the second mirror and emits part of light propagating through the optical waveguide layer to the outside. The optical waveguide layer contains a liquid crystal material or an electrooptical material. The alignment direction of the liquid crystal material or the direction of a polarization axis of the electrooptical material is parallel or perpendicular to the direction in which the optical waveguide layer extends. The driving circuit applies the voltage to the pair of electrodes to change the refractive index of the liquid crystal material or the electrooptical material to thereby change the light emission direction.
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公开(公告)号：US20190033574A1
公开(公告)日：2019-01-31
申请号：US16015225
申请日：2018-06-22
发明人： YASUHISA INADA , AKIRA HASHIYA , TAKU HIRASAWA
摘要： An optical scanning device includes: a first mirror; a second mirror; two non-waveguide regions; an optical waveguide region; and a first adjusting element. The optical waveguide region propagates light. The optical waveguide region and the two non-waveguide regions include respective first regions in which a common material exists. The optical waveguide region or each of the two non-waveguide regions further includes a second region in which a first material having a refractive index different from a refractive index of the common material exists. The first mirror allows part of the light propagating through the optical waveguide region to be emitted through the first mirror. The first adjusting element changes at least either the average refractive index of the optical waveguide region or a thickness of the optical waveguide region to change a direction of the light emitted through the first mirror.
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公开(公告)号：US20160327717A1
公开(公告)日：2016-11-10
申请号：US15215599
申请日：2016-07-21
发明人： AKIRA HASHIYA , TAKU HIRASAWA , YASUHISA INADA , YOSHITAKA NAKAMURA , MITSURU NITTA , TAKEYUKI YAMAKI , MASAHIRO NAKAMURA
IPC分类号： F21V8/00
CPC分类号： G02B6/0003 , G02B5/1809 , G02B6/0025 , G02B6/0036 , G02B6/0038 , G02B6/0055 , G02B6/0056 , H01L33/508
摘要： A light-emitting device includes a photoluminescent layer emitting light in response to excitation light, a light-transmissive layer located on the photoluminescent layer, and a light guide guiding the excitation light to the photoluminescent layer. At least one of the photoluminescent layer and the light-transmissive layer has a submicron structure having at least projections or recesses arranged perpendicular to the thickness direction of the photoluminescent layer. The light emitted from the photoluminescent layer includes first light having a wavelength λa in air. The distance Dint between adjacent projections or recesses and the refractive index nwav-a of the photoluminescent layer for the first light satisfy λa/nwav-a
摘要翻译： 发光装置包括响应于激发光发光的光致发光层，位于光致发光层上的透光层和将激发光引导到光致发光层的光导。 光致发光层和透光层中的至少一个具有至少具有垂直于光致发光层的厚度方向布置的突起或凹陷的亚微米结构。 从光致发光层发射的光包括在空气中具有波长λa的第一光。 相邻的凸部或凹部之间的距离Dint以及第一光的光致发光层的折射率nwav-a满足λa/ nwav-a
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公开(公告)号：US20240061117A1
公开(公告)日：2024-02-22
申请号：US18499292
申请日：2023-11-01
发明人： YASUHISA INADA , KAZUYA HISADA , KAZUKI NAKAMURA , YUMIKO KATO , AKIRA HASHIYA
摘要： A measurement device includes: a light source which emits laser light to irradiate a moving body and which can vary the frequency of the laser light; an interference optical system that separates the laser light into reference light and output light, and generates interference light by interfering the reference light with at least one reflected light beam generated when at least one light beam obtained from the output light is reflected by the moving body; a light detector that detects the interference light; and a processing circuit that processes a signal outputted from the light detector. The processing circuit generates and outputs a plurality of attribute data pertaining to the moving body on the basis of measurement data on the moving body obtained by processing the signal.
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公开(公告)号：US20220365403A1
公开(公告)日：2022-11-17
申请号：US17810835
申请日：2022-07-06
发明人： TAKAIKI NOMURA , KAZUKI NAKAMURA , AKIRA HASHIYA , YASUHISA INADA
摘要： An optical device includes a first substrate with a first surface spreading in a first direction and a second direction intersecting the first direction, a second substrate with a second surface facing the first surface, a film bonded to the first surface and/or the second surface through a siloxane bond, and at least one optical guide layer positioned between the first substrate and the second substrate, the optical guide layer including a dielectric member in contact with the film and guiding light in the first direction and/or the second direction.
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