Patents Assigned to Toshiba Lighting & Technology Corporation
  • Vehicle Lighting Device and Vehicle Lamp
    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
  • Lighting Device for Vehicles and Lighting Tool for Vehicles
    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
  • Vehicle lighting device and vehicle lamp
    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
  • Lighting Device for Vehicles and Lighting Tool for Vehicles
    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
  • Lighting device for vehicles and lighting tool for vehicles
    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
  • Lighting device and lighting device for vehicle
    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
  • Lighting system
    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
  • LIGHTING SYSTEM
    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
  • Vehicle lamp with light module fixing portion
    Patent number: 10023108
    Abstract: A vehicle lamp includes a housing where a lighting device is disposed, and a fixing unit pressing the lighting device against the housing. The lighting device has a flange, a storage portion protruding from one surface of the flange, and a light-emitting module received in the storage portion opposite to the flange. The storage portion is received in a hole of the housing such that the fixing unit presses the flange against the housing in a peripheral edge of the hole.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: July 17, 2018
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Takashi Kaneko, Kiyokazu Hino, Masayuki Ishiyama, Hiromitsu Shiraishi, Daisuke Kosugi, Toshihiro Hatanaka
  • Lamp system
    Patent number: 10006593
    Abstract: A lamp system (10) includes a straight tube type lamp (13) and a socket (14). The straight tube type lamp (13) includes a straight tube type cover (20) containing a light-emitting element, and caps (23) arranged at both ends of the cover (20). A pair of lamp pins (30) whose tips respectively protrude in directions intersecting a lamp longitudinal direction are protrudingly provided on end faces of the caps (23) at both the ends. The socket (14) includes a socket body (41), a rotor (42) which is arranged in the socket body (41) and on which the pair of lamp pins (30) of the straight tube type lamp (13) are mounted, and a pair of terminals to which the pair of lamp pins (30) mounted on the rotor (42) are connected. At least the rotor (42) can move in the lamp longitudinal direction.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: June 26, 2018
    Assignees: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION, PANASONIC CORPORATION
    Inventors: Takeshi Osada, Masahiko Kamata, Kiyoshi Takahashi, Shougo Takahashi, Satoshi Fukano
  • Vehicle lighting device and vehicle lamp
    Patent number: 9961748
    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: January 27, 2017
    Date of Patent: May 1, 2018
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Daisuke Kosugi, Atsushi Heike
  • Vehicle lighting device, vehicle lamp, and method of manufacturing vehicle lighting device
    Patent number: 9958130
    Abstract: A vehicle lighting device includes a heat radiating portion that has a flange having a plate shape, heat radiating fins provided on one surface of the flange, and a loading portion provided on a surface of the flange on a side opposite to the side on which the heat radiating fins are provided. The device further includes a storage portion that is provided on a side of the flange opposite to the side on which the heat radiating fins are provided, has a mounting portion surrounding the loading portion and bayonets provided on a side surface of the mounting portion, and is formed of a material different from a material of the heat radiating portion. Also, the device includes a light emitting module that is provided on an end surface of the loading portion on a side opposite to the flange side and has a light emitting element.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: May 1, 2018
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Kiyokazu Hino, Toshihiro Hatanaka
  • Lighting Device For Vehicle And Lighting Tool For Vehicle
    Publication number: 20180106448
    Abstract: According to one embodiment, a lighting device for vehicle includes a socket containing a high heat conductive resin; a light emitting unit which is provided at one end portion of the socket, and includes a substrate which contains ceramic, and a light emitting element provided on the substrate. A face of the substrate on a side opposite to a side on which the light emitting element is provided is in contact with one end portion of the socket. Power applied to the light emitting element is 1 W or more and 3 W or less. The high heat conductive resin contains polyamide, and filler containing carbon, and has heat conductivity of 15 W/(m·K) or more, and 33 W/(m·K) or less.
    Type: Application
    Filed: August 24, 2017
    Publication date: April 19, 2018
    Applicant: Toshiba Lighting & Technology Corporation
    Inventor: Hiromitsu Shiraishi
  • Lighting Device for Vehicle, Manufacturing Method of Lighting Device for Vehicle, and Lighting Tool for Vehicle
    Publication number: 20180100643
    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: Application
    Filed: August 7, 2017
    Publication date: April 12, 2018
    Applicant: Toshiba Lighting & Technology Corporation
    Inventor: Kiyokazu Hino
  • VEHICLE LIGHTING DEVICE AND VEHICLE LAMP
    Publication number: 20180058667
    Abstract: According to one embodiment, a vehicle lighting device includes a base body that has a plate shape and includes a first portion, and a second portion having a width dimension smaller than a width dimension of the first portion; a wiring pattern that is provided on surfaces of the first portion and the second portion; and a light emitting element that is electrically connected to the wiring pattern provided in the first portion.
    Type: Application
    Filed: March 2, 2017
    Publication date: March 1, 2018
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Yohei Matsuda, Ryuji Tsuchiya, Daisuke Kosugi
  • Lighting Device for Vehicle and Lighting Tool for Vehicle
    Publication number: 20180051858
    Abstract: According to one embodiment, a lighting device for vehicle includes a plate-shaped flange; a placing portion which is provided on a first face of the flange; a light emitting module which is provided at an end face of the placing portion, and includes a light emitting element; a plurality of heat radiating fins which are formed in a plate shape, and are provided on a second face of the flange on a side opposite to the first face; a plurality of first protrusion portions which are 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: Application
    Filed: August 9, 2017
    Publication date: February 22, 2018
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Toshihiro Hatanaka, Ryuji Tsuchiya, Daisuke Kosugi
  • Vehicle Lighting Device and Vehicle Lamp
    Publication number: 20180029527
    Abstract: According to one embodiment, a vehicle lighting device includes a plurality of circuit portions that have at least one light emitting element; and a control portion that is electrically connected to the plurality of circuit portions. The control portion detects an input voltage and connects the plurality of circuit portions in series when the detected input voltage exceeds a predetermined value and connects at least a part of the plurality of circuit portions in parallel when the detected input voltage is equal to or less than the predetermined value.
    Type: Application
    Filed: March 9, 2017
    Publication date: February 1, 2018
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Daisuke Kosugi, Atsushi Heike
  • HEATER, IMAGE FORMING APPARATUS, AND MANUFACTURING METHOD OF HEATER
    Publication number: 20170371281
    Abstract: A heater according to an embodiment includes a substrate that is formed of a heat resistant insulating material, a heating resistor that is provided on the substrate, a conductor that is provided on the substrate and that is electrically connected to the heating resistor, and a coating film that covers the heating resistor and the conductor. A plurality of groove portions are arranged on an end surface of the substrate along an outer periphery of the substrate, and a coefficient A=100×D/(T×P) satisfies 0.4?A?0.9 where T [?m] is the thickness of the substrate, D [?m] is the depth of the groove portion in a thickness direction of the substrate, and P [?m] is a pitch between the groove portions.
    Type: Application
    Filed: March 13, 2017
    Publication date: December 28, 2017
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Akio Tsubouchi, Kentaro Kimura, Yoshitatsu Matsui, Takanobu Ueno
  • Vehicle Lighting Device and Vehicle Lamp
    Publication number: 20170343180
    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 any one of the plurality of bayonets.
    Type: Application
    Filed: February 9, 2017
    Publication date: November 30, 2017
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Takashi Kaneko, Daisuke Kosugi, Toshihiro Hatanaka, Hiromitsu Shiraishi
  • Vehicle interior lighting device
    Patent number: 9821712
    Abstract: A vehicle interior lighting device according to an embodiment includes a housing, a cover provided on one end portion side of the housing, a light-emitting section provided on the inside of the housing, and a detecting section provided on the inside of the housing and configured to detect, via the cover, a change in energy involved in a motion of an operator and convert the detected change in the energy into an electric signal.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: November 21, 2017
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Atsushi Heike