Patents Assigned to Toshiba Lighting & Technology Corporation
  • Publication number: 20190277472
    Abstract: A vehicular luminaire according to embodiments includes a socket; a substrate provided on the socket and including a wiring pattern on at least one surface; at least one light-emitting element electrically connected to the wiring pattern; and a plurality of power-supply terminals extending inside the socket and including one end portion exposed from the socket, the vicinity of the end portion being bent toward the substrate.
    Type: Application
    Filed: January 9, 2019
    Publication date: September 12, 2019
    Applicant: Toshiba Lighting & Technology Corporation
    Inventor: Kiyokazu Hino
  • Publication number: 20190267355
    Abstract: A vehicle luminaire according to an exemplary embodiment includes: a socket; a board provided at one end of the socket; and three light-emitting elements provided on the board. A triangle formed by line segments connecting respective centers of the three light-emitting elements is an inequilateral triangle in planar view. A center of the vehicle luminaire is included inside the inequilateral triangle.
    Type: Application
    Filed: August 20, 2018
    Publication date: August 29, 2019
    Applicant: Toshiba Lighting & Technology Corporation
    Inventor: Misaki Ueno
  • Publication number: 20190267518
    Abstract: A vehicle luminaire according to an exemplary embodiment includes: a socket; a board provided at one end side of the socket; at least one light-emitting element provided on the board; a frame provided on the board, having a tube shape, and surrounding the light-emitting element; a sealing part provided inside the frame and covering the light-emitting element; and an optical element provided on the sealing part, at least a part of a circumferential edge being provided at an end face of the frame opposite to the board side.
    Type: Application
    Filed: July 26, 2018
    Publication date: August 29, 2019
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Kiyokazu Hino, Misaki Ueno
  • Patent number: 10371340
    Abstract: According to one embodiment, a vehicle lighting device includes a mounting portion that has a recessed portion; a plurality of bayonets that are provided on an outside surface of the mounting portion; a substrate that is provided on a bottom surface of the recessed portion; and a light emitting element that is provided on a side of the substrate opposite to a bottom surface side of the recessed portion. In a case where the vehicle lighting device is viewed from a light emitting side, at least one corner portion of the substrate overlaps with one of the plurality of bayonets.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: August 6, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Takashi Kaneko, Daisuke Kosugi, Toshihiro Hatanaka, Hiromitsu Shiraishi
  • Patent number: 10371366
    Abstract: According to one embodiment, a lighting device for vehicle includes a socket; a light emitting unit which is provided at one end portion of the socket, and includes a light emitting element; an insulating portion which includes a resin, and is provided inside a hole provided in the socket; a power feeding terminal which has conductivity, extends inside the insulating portion, and of which one end portion protrudes from the insulating portion, and is electrically connected to the light emitting unit; and a melting portion which is connected to an inner wall face of the hole, and at least one end face of the insulating portion.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: August 6, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Kiyokazu Hino
  • Patent number: 10327304
    Abstract: A light emitting device for a vehicle includes a substrate; a light emitting element which is provided on the substrate; a resistive element which is provided on the substrate, and connected in series with the light emitting element; and a thermistor which is provided on the substrate. The thermistor has a positive temperature coefficient, and is connected in parallel with the resistive element.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: June 18, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Daisuke Kosugi, Atsushi Heike
  • Patent number: 10309609
    Abstract: A lighting device for a vehicle includes a plate-shaped flange; a placing portion provided on a first face of the flange; a light emitting module provided at an end face of the placing portion, and which includes a light emitting element; and a plurality of heat radiating fins formed in a plate shape, and which is provided on a second face of the flange on a side opposite to the first face. Also, the device includes a plurality of first protrusion portions provided on the second face of the flange in a line, in a direction intersecting a direction in which the plurality of heat radiating fins are aligned; and a second protrusion portion which is provided on the second face of the flange on a side opposite to the plurality of first protrusion portions, by interposing the plurality of heat radiating fins therebetween.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: June 4, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Toshihiro Hatanaka, Ryuji Tsuchiya, Daisuke Kosugi
  • Patent number: 10279727
    Abstract: According to one embodiment, a vehicle lighting device includes a plurality of circuit portions each of which has at least one light emitting element; and a control portion that is electrically connected to the plurality of the circuit portions. The control portion connects the plurality of the circuit portions in series if an input voltage exceeds a predetermined value, and connects at least a part of the plurality of the circuit portions in parallel if the input voltage is equal to or less than the predetermined value. The predetermined value is a value equal to or more than a voltage corresponding to a current value used for failure determination of the vehicle lighting device.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: May 7, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Daisuke Kosugi, Atsushi Heike
  • Patent number: 10278259
    Abstract: According to one embodiment, a vehicular lighting device includes a socket, a substrate provided on one end side of the socket, at least one light emitting element provided on the substrate, a Zener diode provided on the substrate, and a controller provided on the substrate. The controller shuts off a current flowing through the light emitting element based on a voltage or a current on an anode side of the Zener diode.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: April 30, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Daisuke Kosugi, Atsushi Heike
  • Patent number: 10260703
    Abstract: A lighting device for vehicle according to an embodiment includes a main body unit which has a hole penetrating between a first end portion and a second end portion, and in which at least the vicinity of the hole has electrical conductivity; a light emitting module which is provided in the first end portion of the main body unit, and has a light emitting element; a holding unit which is provided inside the hole of the main body unit, has insulation properties, and an end portion on the second end portion side protrudes compared to a peripheral edge of the hole; and a power feeding terminal of which one end is electrically connected to the light emitting module, has electrical conductivity, and stretches inside the holding unit.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: April 16, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Hiromitsu Shiraishi
  • Publication number: 20190093850
    Abstract: According to one embodiment, a vehicle lighting device includes a socket; and a light-emitting module provided on one end side of the socket. The light-emitting module includes a substrate having a wiring pattern; a plurality of light-emitting elements that are electrically connected to the wiring pattern and are connected in series to each other; and a plurality of thermistors that are electrically connected to the wiring pattern and are connected in parallel to each other. The plurality of thermistors connected in parallel to each other being connected in series with the plurality of light-emitting elements connected in series to each other.
    Type: Application
    Filed: August 20, 2018
    Publication date: March 28, 2019
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Ryuji Tsuchiya, Masamitsu Nagano
  • Publication number: 20190094775
    Abstract: A heater including a rectangular substrate; a resistance heat-generating element that is provided on one surface of the substrate along a longitudinal direction of the substrate; a thermistor that is provided on the other surface, which is a rear side of the one surface of the substrate, and measures temperature of the substrate; and a conductor that is provided on the other surface of the substrate, is extended up to an end portion of the substrate from the thermistor along the longitudinal direction of the substrate, and supplies power to the thermistor. A first connecting portion and a second connecting portion, which are connected to the conductor, are provided at both ends of the thermistor. A connection direction, in which the first connecting portion and the second connecting portion are arranged on the other surface of the substrate, is different from a lateral direction of the substrate.
    Type: Application
    Filed: March 13, 2018
    Publication date: March 28, 2019
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Satoko Kato, Kentaro Kimura, Masahiko Tamai
  • Publication number: 20190077301
    Abstract: According to one embodiment, a vehicle lighting device includes a plurality of circuit portions each of which has at least one light emitting element; and a control portion that is electrically connected to the plurality of the circuit portions. The control portion connects the plurality of the circuit portions in series if an input voltage exceeds a predetermined value, and connects at least a part of the plurality of the circuit portions in parallel if the input voltage is equal to or less than the predetermined value. The predetermined value is a value equal to or more than a voltage corresponding to a current value used for failure determination of the vehicle lighting device.
    Type: Application
    Filed: February 23, 2018
    Publication date: March 14, 2019
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Daisuke Kosugi, Atsushi Heike
  • Publication number: 20190054850
    Abstract: According to one embodiment, a lighting device for vehicles includes a socket including a flange, and a mounting unit which is provided on one face of the flange; a light emitting unit which is provided at an end portion of the mounting unit on a side opposite to a side of the flange, and includes a light emitting element; and at least one support unit which protrudes from a face of the flange on which the mounting unit is provided.
    Type: Application
    Filed: February 28, 2018
    Publication date: February 21, 2019
    Applicant: Toshiba Lighting & Technology Corporation
    Inventor: Hiromitsu Shiraishi
  • Patent number: 10212786
    Abstract: According to one embodiment, a vehicle lighting device includes a first circuit portion that has at least one light emitting element and a first resistor connected in series to the light emitting element; a second circuit portion that is connected in parallel to the first circuit portion and has at least a control portion; and a third circuit portion that is connected in series to the first circuit portion and the second circuit portion, and has at least one light emitting element. The control portion measures an input voltage and causes a current to flow through the third circuit portion in a case where the measured input voltage is a predetermined value.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: February 19, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Daisuke Kosugi, Atsushi Heike
  • Publication number: 20190049085
    Abstract: According to one embodiment, a lighting device for vehicles includes a mounting unit including a recessed portion which is provided on one face of a flange, and is open to an end face on a side opposite to a side of the flange; a substrate which is provided on a lower face side of the recessed portion, and includes a light emitting element on a face on the side opposite to a side of the flange; and a plurality of power feeding terminals which protrude from the lower face of the recessed portion, and are soldered to a wiring pattern provided on the substrate, in which a notch portion is provided at a portion on a side face of the recessed portion which faces the plurality of power feeding terminals.
    Type: Application
    Filed: March 1, 2018
    Publication date: February 14, 2019
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Toshihiro Hatanaka, Daisuke Kosugi, Hiromitsu Shiraishi, Takashi Kaneko, Kazuhisa Iwashita
  • Patent number: 10203080
    Abstract: According to one embodiment, a lighting device for vehicles includes a mounting unit including a recessed portion which is provided on one face of a flange, and is open to an end face on a side opposite to a side of the flange; a substrate which is provided on a lower face side of the recessed portion, and includes a light emitting element on a face on the side opposite to a side of the flange; and a plurality of power feeding terminals which protrude from the lower face of the recessed portion, and are soldered to a wiring pattern provided on the substrate, in which a notch portion is provided at a portion on a side face of the recessed portion which faces the plurality of power feeding terminals.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: February 12, 2019
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Toshihiro Hatanaka, Daisuke Kosugi, Hiromitsu Shiraishi, Takashi Kaneko, Kazuhisa Iwashita
  • Patent number: 10197237
    Abstract: A lighting device according to an embodiment includes a socket unit, a light emitting unit, and a lid unit. The light emitting unit is provided in an accommodation unit of the socket unit, and includes a light emitting element. The lid unit closes the accommodation unit of the socket unit, and is formed with an opening portion which causes light radiated from the light emitting element to pass through. An end face of the light emitting unit on the opening portion side overlaps with the opening portion in the thickness direction of the lid unit, and is located on the light emitting unit side rather than an end face of the lid unit on a side opposite to the light emitting unit side.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: February 5, 2019
    Assignee: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    Inventors: Daisuke Kosugi, Ryuji Tsuchiya, Toshihiro Hatanaka
  • Patent number: 10104734
    Abstract: Provided is a lighting system including a dimming control device that is arranged apart from a lighting device and outputs a DC voltage of a voltage value corresponding to a dimming degree indicating a turn-on state of a light source of the lighting device, in which the DC voltage is for controlling to turn on the light source in the lighting device, a wiring that transmits the DC voltage output by the dimming control device to the lighting device, and the lighting device that performs absorption control of absorbing a drop in the voltage value due to transmission of the DC voltage by the wiring.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: October 16, 2018
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kazuaki Itami, Hirokazu Otake
  • Publication number: 20180249541
    Abstract: Provided is a lighting system including a dimming control device that is arranged apart from a lighting device and outputs a DC voltage of a voltage value corresponding to a dimming degree indicating a turn-on state of a light source of the lighting device, in which the DC voltage is for controlling to turn on the light source in the lighting device, a wiring that transmits the DC voltage output by the dimming control device to the lighting device, and the lighting device that performs absorption control of absorbing a drop in the voltage value due to transmission of the DC voltage by the wiring.
    Type: Application
    Filed: September 8, 2017
    Publication date: August 30, 2018
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Kazuaki Itami, Hirokazu Otake