Patents Assigned to Toshiba Lighting & Technology Corporation
  • Patent number: 10920953
    Abstract: A vehicle luminaire according to an embodiment includes: a substrate is provided on a heat transfer portion or a convex portion; at least one light-emitting element is provided on the substrate; a first adhesive layer is provided between the substrate and the heat transfer portion or between the substrate and the convex portion. An area on the side of the substrate in the heat transfer portion or an area on the side of the substrate in the convex portion is provided with a center area and a peripheral edge area. A distance between the substrate and an end on the side opposite to the center area in a corresponding portion in at least a part of the peripheral edge area is larger than a distance between the substrate and an end on the side of the center area in the corresponding portion.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: February 16, 2021
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Toshihiro Hatanaka
  • Patent number: 10907791
    Abstract: A vehicle luminaire may include: an attachment portion which includes a concave portion opening to one end face; a light-emitting module, which includes a substrate and at least one light-emitting element provided on the substrate, provided inside the concave portion; and a plurality of bayonets provided on an outer side surface of the attachment portion. When the attachment portion is viewed from a direction along a center axis of the attachment portion, the bayonets are provided at a predetermined interval. The attachment portion includes an opening portion provided in a region between the plurality of bayonets. An opening dimension of the opening portion is larger than a width dimension of each bayonet.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: February 2, 2021
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Daisuke Kosugi, Toshihiro Hatanaka, Hiromitsu Shiraishi, Norihiko Ochi, Yasuhiro Watanabe, Tomohiro Matsuo, Misaki Ueno
  • Patent number: 10903192
    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 scalene triangle in planar view. A center of the vehicle luminaire is included inside the scale triangle.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: January 26, 2021
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Misaki Ueno
  • Patent number: 10876704
    Abstract: A vehicular luminaire according to an embodiment includes a socket; a substrate provided on one end part side of the socket; a frame part provided on the substrate; a first light-emitting element provided inside the frame part; a plurality of second light-emitting elements provided inside the frame part and around the first light-emitting element; and an optical element provided at an end part of the frame part opposite to the substrate side. A distance between the substrate and a light-emitting surface of the first light-emitting element differs from a distance between the substrate and light-emitting surfaces of the second light-emitting elements.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: December 29, 2020
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Misaki Ueno
  • Publication number: 20200378578
    Abstract: A vehicle luminaire according to an embodiment includes: an attachment portion which includes a concave portion opening to one end face; a light-emitting module which includes a substrate and at least one light-emitting element provided on the substrate and is provided inside the concave portion; and a plurality of bayonets which are provided on an outer side surface of the attachment portion. When the attachment portion is viewed from a direction along a center axis of the attachment portion, the plurality of bayonets are provided at a predetermined interval. The attachment portion includes an opening portion provided in a region between the plurality of bayonets. An opening dimension of the opening portion is larger than a width dimension of the bayonet.
    Type: Application
    Filed: February 24, 2020
    Publication date: December 3, 2020
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Daisuke Kosugi, Toshihiro Hatanaka, Hiromitsu Shiraishi, Norihiko Ochi, Yasuhiro Watanabe, Tomohiro Matsuo, Misaki Ueno
  • Publication number: 20200378575
    Abstract: A vehicle luminaire according to an embodiment includes: an attachment portion which includes a concave portion; a light-emitting module which includes a substrate, at least one light-emitting element provided in the substrate, and a sealing portion covering the light-emitting element; and a plurality of bayonets which are provided on an outer side surface of the attachment portion. The attachment portion includes at least one light extraction portion which penetrates between an inner wall surface of the concave portion and the outer side surface of the attachment portion. In a portion provided with the bayonet in a circumferential direction of the attachment portion, a distance between a bottom surface of the concave portion and an end portion on the side of the bottom surface of the light extraction portion is smaller than a distance between the bottom surface and a top portion of the sealing portion.
    Type: Application
    Filed: February 18, 2020
    Publication date: December 3, 2020
    Applicant: Toshiba Lighting & Technology Corporation
    Inventor: Misaki Ueno
  • Publication number: 20200374986
    Abstract: A heater according to an embodiment includes: a tubular portion; a sealing portion provided in each of both end portions of the tubular portion; a conductive portion provided inside each sealing portion; a heating portion provided inside the tubular portion, extending along a tube axis of the tubular portion, and including carbons; an inner lead provided in each sealing portion so that one end portion side is connected to the conductive portion and the other end portion side is exposed into the tubular portion; and a connection portion connected to each of both end portions of the heating portion inside the tubular portion. A bent portion is provided in an end portion opposite to the conductive portion in each inner lead. The bent portion is bent in a direction in which the sealing portions face each other and is provided inside a hole of the connection portion.
    Type: Application
    Filed: February 27, 2020
    Publication date: November 26, 2020
    Applicant: Toshiba Lighting & Technology Corporation
    Inventor: Hiroki Nakano
  • Patent number: 10845018
    Abstract: A vehicle luminaire according to an embodiment includes: an attachment portion which includes a concave portion; a light-emitting module which includes a substrate, at least one light-emitting element provided in the substrate, and a sealing portion covering the light-emitting element; and a plurality of bayonets which are provided on an outer side surface of the attachment portion. The attachment portion includes at least one light extraction portion which penetrates between an inner wall surface of the concave portion and the outer side surface of the attachment portion. In a portion provided with the bayonet in a circumferential direction of the attachment portion, a distance between a bottom surface of the concave portion and an end portion on the side of the bottom surface of the light extraction portion is smaller than a distance between the bottom surface and a top portion of the sealing portion.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: November 24, 2020
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Misaki Ueno
  • Publication number: 20200355342
    Abstract: A vehicle luminaire according to an embodiment includes: a socket which includes a concave portion and a convex portion provided in a bottom surface of the concave portion; and a light-emitting module which is provided inside the concave portion. The convex portion includes a seat portion and at least one connection portion of which one end portion is connected to a side wall of the seat portion and the other end portion is connected to a side wall of the concave portion. The light-emitting module includes a substrate which is provided in a surface opposite to the bottom surface of the concave portion in the seat portion with a heat transfer portion interposed therebetween and at least one light-emitting element which is provided in the substrate. A planar dimension of the seat portion is smaller than a planar dimension of the substrate.
    Type: Application
    Filed: February 25, 2020
    Publication date: November 12, 2020
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Toshihiro Hatanaka, Ryuji Tsuchiya, Kiyokazu Hino
  • Patent number: 10781993
    Abstract: A vehicle luminaire according to an embodiment includes: a socket; a first board which is provided in the socket and has a first wiring pattern formed on one surface; at least one light-emitting element which is electrically connected to the first wiring pattern; and a plurality of power-supply terminals which are provided in the socket and are electrically connected to the first wiring pattern. The first board includes a plurality of first hollows which open to a side surface of the first board, a surface on an installation side of the light-emitting element in the first board, and a surface on the side opposite to the installation side of the light-emitting element in the first board. Each of the plurality of first hollows is provided with the power-supply terminal.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: September 22, 2020
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Daisuke Kosugi
  • Patent number: 10782638
    Abstract: A heater of an embodiment includes a substrate, a resistance heating element, and a thermistor. The substrate includes a first surface and a second surface located on the side opposite to the first surface. The resistance heating element is disposed on the first surface. The thermistor is disposed on the second surface and does not contain lead.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: September 22, 2020
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Satoko Kato, Kentaro Kimura
  • Patent number: 10754280
    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: Grant
    Filed: March 13, 2018
    Date of Patent: August 25, 2020
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Satoko Kato, Kentaro Kimura, Masahiko Tamai
  • Publication number: 20200224848
    Abstract: A vehicle luminaire according to an embodiment includes: a socket; a first board which is provided in the socket and has a first wiring pattern formed on one surface; at least one light-emitting element which is electrically connected to the first wiring pattern; and a plurality of power-supply terminals which are provided in the socket and are electrically connected to the first wiring pattern. The first board includes a plurality of first hollows which open to a side surface of the first board, a surface on an installation side of the light-emitting element in the first board, and a surface on the side opposite to the installation side of the light-emitting element in the first board. Each of the plurality of first hollows is provided with the power-supply terminal.
    Type: Application
    Filed: July 26, 2019
    Publication date: July 16, 2020
    Applicant: Toshiba Lighting & Technology Corporation
    Inventor: Daisuke Kosugi
  • Publication number: 20200225608
    Abstract: A heater of an embodiment includes a substrate, a resistance heating element, and a thermistor. The substrate includes a first surface and a second surface located on the side opposite to the first surface. The resistance heating element is disposed on the first surface. The thermistor is disposed on the second surface and does not contain lead.
    Type: Application
    Filed: August 19, 2019
    Publication date: July 16, 2020
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Satoko Kato, Kentaro Kimura
  • Publication number: 20200182432
    Abstract: A vehicular luminaire according to an embodiment includes a socket; a substrate provided on one end part side of the socket; a frame part provided on the substrate; a first light-emitting element provided inside the frame part; a plurality of second light-emitting elements provided inside the frame part and around the first light-emitting element; and an optical element provided at an end part of the frame part opposite to the substrate side. A distance between the substrate and a light-emitting surface of the first light-emitting element differs from a distance between the substrate and light-emitting surfaces of the second light-emitting elements.
    Type: Application
    Filed: August 12, 2019
    Publication date: June 11, 2020
    Applicant: Toshiba Lighting & Technology Corporation
    Inventor: Misaki Ueno
  • Patent number: 10654400
    Abstract: 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: Grant
    Filed: February 28, 2018
    Date of Patent: May 19, 2020
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Hiromitsu Shiraishi
  • Patent number: 10655814
    Abstract: A vehicle luminaire includes: a flange; a mount portion provided with a housing portion opened to an end opposite to the flange side; a board provided inside the housing portion; at least one light-emitting element provided on the board; at least one resistance provided on the board and electrically connected to the light-emitting element; at least one control element provided on the board and electrically connected to the light-emitting element, the control element having an electric resistance increasing as a temperature rises; and a temperature control unit configured to control heat generated from at least one of the light-emitting element and the resistance and transferred to the control element via the board or via the board and the mount portion.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: May 19, 2020
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Daisuke Kosugi
  • Patent number: 10654404
    Abstract: 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: Grant
    Filed: March 9, 2017
    Date of Patent: May 19, 2020
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Daisuke Kosugi, Atsushi Heike
  • Patent number: 10627753
    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: Grant
    Filed: March 13, 2017
    Date of Patent: April 21, 2020
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Akio Tsubouchi, Kentaro Kimura, Yoshitatsu Matsui, Takanobu Ueno
  • Publication number: 20200094179
    Abstract: A photocatalytic filter according to an embodiment includes: a plurality of weft threads each of which includes a plurality of fibers extending in a first direction; a plurality of warp threads each of which includes a plurality of fibers extending in a second direction intersecting the first direction; and photocatalysts which are carried by the plurality of weft threads and the plurality of warp threads. At least two warp threads sandwiches at least one weft thread or at least two weft threads sandwiches at least one warp thread at the intersection portion between the weft thread and the warp thread.
    Type: Application
    Filed: July 26, 2019
    Publication date: March 26, 2020
    Applicant: Toshiba Lighting & Technology Corporation
    Inventors: Osamu Tsuzaki, Akihiro Yagi