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公开(公告)号：US20210296861A1
公开(公告)日：2021-09-23
申请号：US17123060
申请日：2020-12-15
Applicant: FUJIFILM BUSINESS INNOVATION CORP.
Inventor： Takashi KONDO , Daisuke IGUCHI , Tomoaki SAKITA , Yoshinori SHIRAKAWA , Seiji ONO
Abstract: A light-emitting element array includes multiple light-emission instruction units arranged in a first direction; a first light-emitting element group row including light-emitting element groups each including a multiple light-emitting elements such that the light-emitting element groups are arranged in a direction intersecting the first direction; a second light-emitting element group row including light-emitting element groups each including a multiple light-emitting elements such that the second light-emitting element group row is arranged along the first light-emitting element group row in the first direction; and a multiple wiring lines that connect the multiple light-emission instruction units to the light-emitting element groups in the first light-emitting element group row and the light-emitting element groups in the second light-emitting element group row to provide a light-emission instruction. The multiple wiring lines are connected such that in response to the multiple light-emission instruction units sequentially providing a light-emission instruction in the first direction, the light-emitting element groups in the first light-emitting element group row sequentially emit light in the direction intersecting the first direction and, after turning on of the first light-emitting element group row is completed, the light-emitting element groups in the second light-emitting element group row sequentially emit light in the direction intersecting the first direction.
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公开(公告)号：US20240345222A1
公开(公告)日：2024-10-17
申请号：US18432029
申请日：2024-02-04
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Daisuke IGUCHI
CPC classification number: G01S7/4815 , G01S7/4816 , G01S17/08
Abstract: A distance measuring apparatus includes: plural light emitters that irradiate a target whose distance is to be measured with light and are arranged along a predetermined first direction; an optical unit that directs light so that in a case where one light emitter emits light, a light amount corresponding to a central part of the light emitter and a light amount of a boundary part with an adjacent light emitter are different and in a case where plural light emitters emit light, the light amount corresponding to the central part of the light emitter and the light amount corresponding to the boundary part are equal; a light emission control unit that controls ON and OFF of the light emitters, the light emission control unit controlling the light emitters in modes including a first lighting mode in which a combination of two or more light emitters along the first direction that is ON and a combination of two or more light emitters along the first direction that is OFF alternate, a first inversion mode in which ON and OFF are reverse to those in the first lighting mode, a second lighting mode in which a combination of two or more light emitters that is ON and a combination of two or more light emitters that is OFF alternate, the combination in the second lighting mode being shifted by at least one light emitter from the combination in the first lighting mode in the first direction, and a second inversion mode in which ON and OFF are reverse to those in the second lighting mode; and a distance measurement unit that, in a case where plural light receiving regions are provided corresponding to each of the light emitters along the first direction in a region where a light receiving unit receives light from the target, performs distance measurement on a basis of a light reception result in the first lighting mode and a light reception result in the first inversion mode in a light receiving region excluding a light receiving region corresponding to a first boundary part located at a boundary between ON and OFF in the first lighting mode, and performs distance measurement on a basis of a light reception result in the second lighting mode and a light reception result in the second inversion mode in a light receiving region excluding a light receiving region corresponding to a second boundary part located at a boundary between ON and OFF in the second lighting mode.
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公开(公告)号：US20230304789A1
公开(公告)日：2023-09-28
申请号：US17976879
申请日：2022-10-31
Applicant: FUJIFILM Business Innovation Corp. , FUJIFILM Corporation
Inventor： Kei TAKEYAMA , Daisuke IGUCHI , Seiji ONO , Tomoaki SAKITA , Takashi KONDO , Junichiro HAYAKAWA
IPC: G01B11/24
CPC classification number: G01B11/24
Abstract: A light emitting device includes: a light emitting section that includes a light emitting element; a capacitor section connected to the light emitting section; and a control section that controls a potential of the capacitor section when the light emitting element of the light emitting section emits light.
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公开(公告)号：US20230145018A1
公开(公告)日：2023-05-11
申请号：US17578388
申请日：2022-01-18
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Daisuke IGUCHI
CPC classification number: H01L51/5265 , H01L51/56 , H01L51/5218
Abstract: A light emitting device includes: a substrate that is provided with at least a part of a resonant circuit in which resonance occurs; and a light emitting element that emits light in a case where a current in the resonant circuit is supplied, in which the substrate has an electric accumulation layer provided in the resonant circuit and accumulating electric charge, and the resonant circuit is not provided with an electric accumulation element having a thickness larger than a thickness of the electric accumulation layer and accumulating electric charge.
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公开(公告)号：US20230078833A1
公开(公告)日：2023-03-16
申请号：US17579591
申请日：2022-01-20
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Daisuke IGUCHI
Abstract: A light emitting device includes: a resonant circuit that is provided with an electric accumulator accumulating electric charge and generates resonance; a light emitting element that emits light in a case where a current in the resonant circuit is supplied; and a first switching unit that is connected to a circuit between a power supply that supplies electric charge to the electric accumulator and the resonant circuit, and switches between a conduction state in which a circuit from the power supply to the resonant circuit is conductive and a non-conduction state in which the circuit is not conductive.
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Patent Agency Ranking
公开(公告)号：US20210325034A1
公开(公告)日：2021-10-21
申请号：US17358866
申请日：2021-06-25
Applicant: FUJIFILM BUSINESS INNOVATION CORP.
Inventor： Kazuhiro SAKAI , Daisuke IGUCHI , Takeshi MINAMIRU , Yoshinori SHIRAKAWA , Tomoaki SAKITA , Tsutomu OTSUKA
Abstract: A light-emitting device includes a wiring substrate, a base member provided on the wiring substrate, a light-emitting element array that has a first side surface and a second side surface facing each other, that has a third side surface and a fourth side surface facing each other and connecting the first side surface and the second side surface, and that is provided on the base member, a drive unit that is provided on the wiring substrate at a side of the first side surface and drives the light-emitting element array, a first circuit element that is provided on the base member at the side of the first side surface, a second circuit element that is provided on the base member at a side of the second side surface and has a larger occupation area on the base member than the first circuit element, and wiring members that are provided at a side of the third side surface and at a side of the fourth side surface and extend from an upper surface electrode of the light-emitting element array toward an outer side of the light-emitting element array.
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公开(公告)号：US20210265818A1
公开(公告)日：2021-08-26
申请号：US16953297
申请日：2020-11-19
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Daisuke IGUCHI
Abstract: A light-emitting device includes an insulating base member having thermal conductivity of 10 W/m·K or more; a light-emitting element that has a cathode electrode and an anode electrode and is provided on a front surface side of the base member; a capacitive element that is provided on the base member and supplies an electric current to the light-emitting element; and a reference potential wire that is provided on a rear surface side of the base member and is connected to an external reference potential. The reference potential wire is connected to the capacitive element and is insulated from the cathode electrode and the anode electrode.
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公开(公告)号：US20210265815A1
公开(公告)日：2021-08-26
申请号：US17110304
申请日：2020-12-03
Applicant: FUJIFILM Business Innovation Corp.
Inventor： Daisuke IGUCHI , Kazuhiro SAKAI
IPC: H01S5/042 , H01S5/02255
Abstract: A light emitting device includes a wiring board having a first wiring layer and a second wiring layer adjacent to the first wiring layer via an insulating layer, and a laser having a cathode electrode and an anode electrode, mounted on the wiring board, and driven through low-side driving. The first wiring layer includes a cathode wire connected to the cathode electrode, an anode wire connected to the anode electrode, and a first reference potential wire connected to a reference potential. The second wiring layer includes a second reference potential wire connected to the reference potential. An area of an overlap between the second reference potential wire and the anode wire is larger than an area of an overlap between the second reference potential wire and the first reference potential wire.
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公开(公告)号：US20240345226A1
公开(公告)日：2024-10-17
申请号：US18432025
申请日：2024-02-04
Applicant: FUJIFILM Business Innovation Corp .
Inventor： Daisuke IGUCHI , Junichiro HAYAKAWA , Kei TAKEYAMA
IPC: G01S7/484 , G01S7/4861
CPC classification number: G01S7/484 , G01S7/4861
Abstract: A drive device drives a light emitting device including a first light emitting section and a second light emitting section, in which each of the first light emitting section and the second light emitting section has predetermined plural light emitting periods, and the drive device is configured to: cause the light emitting device to perform pulse light emission 500 times or more in the light emitting period; and drive the light emitting device such that the second light emitting section has a light emitting period in a light non-emitting period during which the first light emitting section does not emit light between a light emitting period and a next light emitting period of the first light emitting section.
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20.发明公开公开(公告)号：US20240106193A1
公开(公告)日：2024-03-28
申请号：US18301998
申请日：2023-04-18
Applicant: FUJIFILM Business Innovation Corp. , FUJIFILM Corporation
Inventor： Saori NISHIZAKI , Takashi KONDO , Takafumi HIGUCHI , Junichiro HAYAKAWA , Daisuke IGUCHI , Tomoaki SAKITA , Kei TAKEYAMA
CPC classification number: H01S5/041 , H01S5/0028 , H01S5/3013 , H01S5/423
Abstract: A light emitting component includes: a substrate; a plural light emitting elements that are provided on the substrate and respectively have light emission regions; and a plural thyristors that are turned on to cause the light emission regions of the respective light emitting elements to emit light, or that increase amounts of emitted light of the light emission regions, in which the light emitting elements absorb light emitted from a corresponding thyristor among the plural thyristors.
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