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公开(公告)号：US10717657B2
公开(公告)日：2020-07-21
申请号：US16245101
申请日：2019-01-10
Inventor： Mitsuru Nitta , Yasuhisa Inada , Nobuaki Nagao
IPC: C01F17/00 , C01F17/30 , C09K11/77 , F21S41/20 , F21S41/32 , F21S41/16 , F21S41/176 , G01N23/20 , H01S5/00 , G01N21/64
Abstract: A phosphor contains a crystal phase having a chemical composition CexM3-x-yβ6γ11-z. M is one or more elements selected from the group consisting of Sc, Y, La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu. β contains Si in an amount of 50 mol % or more of a total mol of β. β further contains Al. γ contains N in an amount of 80 mol % or more N of a total mol of γ. x satisfies 0
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公开(公告)号：US10133144B2
公开(公告)日：2018-11-20
申请号：US15872962
申请日：2018-01-16
Inventor： Yasuhisa Inada , Taku Hirasawa
IPC: G02F1/295
Abstract: An optical scanning device comprises a waveguide array, a first adjusting element, a plurality of phase shifters, a second adjusting element, and a control circuit. When light emitted from the waveguide array forms a light spot on a virtual plane that is spaced apart from the waveguide array, the control circuit causes the light spot to move in first and second directions such that the distance of movement of the light spot from start to finish of scanning of a target region is greater in first one of the first and second directions than in second one of the first and second directions.
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公开(公告)号：US10113712B2
公开(公告)日：2018-10-30
申请号：US15060583
申请日：2016-03-03
Inventor： Yasuhisa Inada
Abstract: a light-emitting device including: a photoluminescent layer that contains a photoluminescent material and emits light including first light having a wavelength λa in air; and a light-transmissive layer located on or near the photoluminescent layer. At least one periodic structure is defined on at least one of the photoluminescent layer and the light-transmissive layer. The at least one periodic structure has projections or recesses or both. A distance Dint between two adjacent projections or two adjacent recesses and a refractive index nwav-a of the photoluminescent layer for the first light satisfy λa/nwav-a
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公开(公告)号：US10031276B2
公开(公告)日：2018-07-24
申请号：US15060564
申请日：2016-03-03
Inventor： Taku Hirasawa , Yasuhisa Inada , Akira Hashiya , Mitsuru Nitta , Takeyuki Yamaki
Abstract: A display apparatus includes an excitation light source that outputs excitation light; a light-emitting device including a photoluminescent layer that receives the excitation light and emits light including first light having a wavelength λa in air, and a light-transmissive layer located on or near the photoluminescent layer; and an optical shutter on an optical path of the light emitted from the photoluminescent layer. A surface structure is defined on at least one of the photoluminescent layer and the light-transmissive layer, and the surface structure has projections or recesses or both and limits a directional angle of the first light having the wavelength λa in air.
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公开(公告)号：US09851579B2
公开(公告)日：2017-12-26
申请号：US14396946
申请日：2013-07-30
Inventor： Yasuhisa Inada
CPC classification number: G02B27/425 , B29D11/00798 , F21V11/00 , F21V13/10 , G02B5/02 , G02B5/021 , G02B5/0215 , G02B5/18 , G02B5/30 , H01L51/5268 , H01L51/5275
Abstract: A light-diffusing layer is provided for diffusing incident light by diffracting at least a portion of the incident light, and the diffuse light diffused by the light-diffusing layer is diffused about a direction different from the emission direction of non-diffused light that passes through the light-diffusing layer without being diffused.
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Patent Agency Ranking
36.发明授权公开(公告)号：US12219300B2
公开(公告)日：2025-02-04
申请号：US17539344
申请日：2021-12-01
Inventor： Yasuhisa Inada , Atsushi Ishikawa , Toshio Mochida , Taku Hirasawa , Kazuya Hisada , Yumiko Kato
IPC: G06T7/90 , G06F3/0482 , G06Q30/0601 , G06T7/00 , H04N9/77 , H04N23/60
Abstract: A method for processing image data according to an aspect of the present disclosure includes obtaining first image data indicating a hyperspectral image of a target captured in first background light, generating, on a basis of the first image data, first spectral data indicating an estimated spectrum of the first background light, and generating, from the first image data, at least one piece of second image data indicating at least one image of the target in at least one type of second background light, which is different from the first background light, using at least one piece of second spectral data indicating at least one spectrum of the at least one type of second background light and the first spectral data.
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公开(公告)号：US12205972B2
公开(公告)日：2025-01-21
申请号：US17460398
申请日：2021-08-30
Inventor： Shinya Okamoto , Yasuhisa Inada , Atsushi Ishikawa
IPC: H01L27/146 , H01L31/0232 , H01L31/108 , H02S10/30
Abstract: An optical device includes a nanostructure body which induces surface plasmon resonance when irradiated with light, an oxide layer which is in contact with the nanostructure body, an alloy layer which is in contact with the oxide layer and which is made of an alloy containing a first metal and a second metal that are different in work function from each other, and an n-type semiconductor which is in Schottky contact with the alloy layer.
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公开(公告)号：US12146955B2
公开(公告)日：2024-11-19
申请号：US17171934
申请日：2021-02-09
Inventor： Yumiko Kato , Satoshi Sato , Yasuhisa Inada , Yoshihide Sawada
IPC: G01C3/08 , G01S7/4912 , G01S17/18
Abstract: A range-information acquiring apparatus includes a light source, an image sensor, a control circuit, and a signal processing circuit. The control circuit causes the light source to emit first light toward a scene and subsequently emit second light toward the scene, the first light having a first spatial distribution, the second light having a second spatial distribution. The control circuit causes at least a portion of plural photodetector elements of the photodetector device to detect first reflected light and second reflected light in the same exposure period, the first reflected light being caused by reflection of the first light from the scene, the second reflected light being caused by reflection of the second light from the scene. The signal processing circuit generates range data based on photodetection data output from the photodetector elements of the photodetector device.
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公开(公告)号：US12013491B2
公开(公告)日：2024-06-18
申请号：US17020132
申请日：2020-09-14
Inventor： Kazuki Nakamura , Yasuhisa Inada , Taku Hirasawa
CPC classification number: G01S7/4817 , G02B5/04 , G02B5/1861 , G02F1/2955
Abstract: An optical device includes: a first mirror having a first reflecting surface extending in a first direction and a second direction perpendicular to the first direction; a second mirror having a second reflecting surface; an optical waveguide layer that is located between the first and second mirrors and propagates light in the first direction; and an optical element that is disposed on the first mirror and emits incident light in a direction different from an incident direction. The optical element emits (1) incident light entering from the optical waveguide layer through the first mirror in a direction whose first direction component is smaller than that of an incident direction of the incident light by refraction and/or diffraction or (2) incident light entering from the outside in a direction whose first direction component is larger than that of an incident direction by refraction and/or diffraction.
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公开(公告)号：US11977314B2
公开(公告)日：2024-05-07
申请号：US17483643
申请日：2021-09-23
Inventor： Takaiki Nomura , Masahiko Tsukuda , Yasuhisa Inada
IPC: G02B6/12 , G01S7/481 , G02B6/122 , G02B27/00 , G02F1/035 , G02F1/13 , G02F1/1339 , G02F1/137 , G02F1/29 , G02F1/295 , G01S17/08 , G02B6/124 , G02B6/125
CPC classification number: G02F1/2955 , G01S7/4817 , G02B6/12 , G02B6/122 , G02B27/0087 , G02F1/035 , G02F1/13 , G02F1/1326 , G02F1/1339 , G02F1/13394 , G02F1/137 , G02F1/292 , G02F1/295 , G01S7/481 , G01S17/08 , G02B6/12004 , G02B2006/121 , G02B2006/12104 , G02B2006/12107 , G02B2006/12138 , G02B6/124 , G02B6/125 , G02F2201/06 , G02F2201/066 , G02F2201/302
Abstract: An optical device includes a first substrate having a first surface, a second substrate having a second surface, at least one optical waveguide, and a plurality of spacers, disposed on at least either the first surface or the second surface, that include a first portion and a second portion. The first portion of the plurality of elastic spacers is at least one elastic spacer located in a region between the first substrate and the second substrate in which the first substrate and the second substrate overlap each other as seen from an angle parallel with a direction perpendicular to the first surface. The second portion of the plurality of elastic spacers is at least one elastic spacer located in a region in which the first substrate and the second substrate do not overlap each other as seen from an angle parallel with the direction perpendicular to the first surface.
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