Patents Assigned to Toshiba Lighting & Technologies Corporation
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Patent number: 12253233Abstract: A vehicle lighting device and a vehicle lamp are provided. The vehicle lighting includes a socket; a substrate provided on one end portion side of the socket; light emitting elements provided on the substrate; and a control element provided on the substrate and electrically connected to the light emitting elements. The control element turns on some of the light emitting elements when the input voltage is lower than a first voltage; turns on all of the light emitting elements when the input voltage exceeds a second voltage higher than the first voltage; and turns on all of the light emitting elements and changes at least one of total luminous flux of the light emitting elements and current flowing through the light emitting elements according to the input voltage when the input voltage is equal to or higher than the first voltage and equal to or lower than the second voltage.Type: GrantFiled: March 8, 2023Date of Patent: March 18, 2025Assignee: Toshiba Lighting & Technology CorporationInventors: Hiraku Mori, Daisuke Kosugi
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Patent number: 12210304Abstract: Provided is a heater including: a substrate that has electrical conductivity; a first insulation portion that is provided on a first surface of the substrate, has an insulation property; at least one heat generation body that is provided on the first insulation portion; a second insulation portion that is provided on a second surface of the substrate which is opposite to the first surface, has an insulation property; at least one detection unit that is provided on at least one of the first insulation portion and the second insulation portion; and a first wiring which is provided on at least one of the first insulation portion and the second insulation portion, and in which one end is electrically connected to one terminal of the detection unit and the other end is electrically connected to the substrate having the electrical conductivity.Type: GrantFiled: September 6, 2023Date of Patent: January 28, 2025Assignee: Toshiba Lighting & Technology CorporationInventors: Kousuke Ueno, Masahiko Tamai, Shinjiro Aono, Akio Tsubouchi, Tsuyoshi Ohashi, Satoko Kato, Masahiro Doi, Makoto Sakai
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Publication number: 20240384854Abstract: The disclosure provides a vehicle lighting device, a vehicle lamp, and a method for manufacturing a vehicle lighting device. The vehicle lighting device according to an embodiment includes: a socket; a substrate provided on one end side of the socket; a light-emitting element provided on the substrate; a frame part provided on the substrate and surrounding the light-emitting element; and a reflection part provided on the substrate and between a side surface of the light-emitting element and an inner wall of the frame part. An upper surface of the reflection part is a concave curved surface that protrudes toward the substrate side.Type: ApplicationFiled: March 4, 2024Publication date: November 21, 2024Applicant: Toshiba Lighting & Technology CorporationInventor: Hiromitsu SHIRAISHI
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Patent number: 12117136Abstract: A vehicle lighting device includes: a socket; a substrate provided on one end side of the socket; a light-emitting element provided on the substrate; a control element provided on the substrate and including a current driver whose output side is electrically connected to the light-emitting element and a current setting circuit whose output side is electrically connected to the current driver; a first circuit provided on the substrate, electrically connected to a first input side of the current setting circuit, and whose resistance value changes depending on an ambient temperature of the light-emitting element; and a second circuit provided on the substrate, electrically connected to a second input side of the current setting circuit, and whose resistance value changes depending on the ambient temperature of the light-emitting element. Amount or ratio of output current flowing to the light-emitting element is changed according to an ambient temperature of the light-emitting element.Type: GrantFiled: March 7, 2024Date of Patent: October 15, 2024Assignee: Toshiba Lighting & Technology CorporationInventor: Daisuke Kosugi
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Patent number: 12055278Abstract: A vehicle lighting device includes a socket, a substrate, at least one light emitting element, a frame part, a sealing part, and a lens. The substrate is provided on one end side of the socket. The light emitting element is provided on the substrate. The frame part surrounds the light emitting element. The sealing part is provided on an inner side of the frame part and covers the light emitting element. The lens is provided on the sealing part and includes an optical part into which a light emitted from the light emitting element enters. The optical part includes a first portion from which the light entered is emitted. The first portion protrudes to a side opposite to a sealing part side. A contour of the first portion is a substantially rectangular shape as viewed from a direction along a central axis of the optical part.Type: GrantFiled: August 14, 2023Date of Patent: August 6, 2024Assignee: Toshiba Lighting & Technology CorporationInventor: Misaki Ueno
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Publication number: 20240247772Abstract: A vehicle lighting device includes: a socket; a substrate, provided on a side of an end part of the socket; light-emitting elements, provided on the substrate; a frame part, having a frame shape, provided on the substrate, and surrounding the light-emitting elements; and a sealing part, provided on an inner side of the frame part and covering the light-emitting elements. When viewing from a direction along a central axis of the vehicle lighting device, a profile of the frame part is square or circular. If the profile of the frame part is square, a dimension of a side on the inner side of the frame part is 3.2 mm or more and 4.8 mm or less. If the profile of the frame part is circular, an inner diameter of the frame part is 4.5 mm or more and 6.8 mm or less.Type: ApplicationFiled: August 14, 2023Publication date: July 25, 2024Applicant: Toshiba Lighting & Technology CorporationInventor: Tomohiro Matsuo
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Patent number: 11957802Abstract: A fluid sterilization apparatus according to an embodiment includes a tubular cover; a tubular portion provided inside the cover; a supply head provided at one end of the tubular portion; a discharge head provided at the other end of the tubular portion; at least one light-emitting element provided in at least one of the supply head and the discharge head and allowed to irradiate an inside of the tubular portion with ultraviolet rays; and a temperature control unit capable of controlling a temperature of a space between the cover and the tubular portion.Type: GrantFiled: February 11, 2021Date of Patent: April 16, 2024Assignee: Toshiba Lighting & Technology CorporationInventors: Takeo Kato, Atsushi Fujioka, Naoto Sakurai, Seiya Iida, Takanori Ochi, Yukinobu Nakagawa
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Patent number: 11951898Abstract: Provided are a vehicle lighting device and a vehicle lamp that can maintain lighting even when an input voltage drops. The vehicle lighting device according to an embodiment includes a socket; a substrate provided on one end side of the socket; a first circuit provided on the substrate; and a second circuit provided on the substrate. The first circuit has a plurality of first light emitting elements; and a control element electrically connected to the plurality of first light emitting elements and controlling a value of a current flowing through the plurality of first light emitting elements. The second circuit has second light emitting elements the number of which is smaller than the number of the plurality of first light emitting elements; and a resistor connected in series to the second light emitting elements.Type: GrantFiled: August 16, 2022Date of Patent: April 9, 2024Assignee: Toshiba Lighting & Technology CorporationInventors: Hiraku Mori, Daisuke Kosugi
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Patent number: 11947292Abstract: A heater includes: a substrate including metal and having a shape extending in one direction; a first insulating part provided on a first surface of the substrate; a first heating element provided on the first insulating part and extending along a longitudinal direction of the substrate; a first protection part provided on the first insulating part and covering the first heating element; a second insulating part provided on a second surface of the substrate facing the first surface; a second heating element provided on the second insulating part and extending along the longitudinal direction of the substrate; and a second protection part provided on the second insulating part and covering the second heating element. A length of the second heating element is different from a length of the first heating element in the longitudinal direction of the substrate.Type: GrantFiled: August 12, 2022Date of Patent: April 2, 2024Assignee: Toshiba Lighting & Technology CorporationInventors: Kousuke Ueno, Masahiko Tamai
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Publication number: 20240102625Abstract: A vehicle lighting device includes a socket, a substrate, at least one light emitting element, a frame part, a sealing part, and a lens. The substrate is provided on one end side of the socket. The light emitting element is provided on the substrate. The frame part surrounds the light emitting element. The sealing part is provided on an inner side of the frame part and covers the light emitting element. The lens is provided on the sealing part and includes an optical part into which a light emitted from the light emitting element enters. The optical part includes a first portion from which the light entered is emitted. The first portion protrudes to a side opposite to a sealing part side. A contour of the first portion is a substantially rectangular shape as viewed from a direction along a central axis of the optical part.Type: ApplicationFiled: August 14, 2023Publication date: March 28, 2024Applicant: Toshiba Lighting & Technology CorporationInventor: Misaki Ueno
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Publication number: 20230418197Abstract: A heater according to embodiments includes: a base portion which contains metal, extends in a first direction, and has a first surface and a second surface facing the first surface; an insulating layer which is provided on the first surface side of the base portion; a heating element which is provided on the insulating layer and extends in the first direction; and a protection portion which covers the heating element. A peripheral edge of the base portion in a second direction intersecting the first direction extends in a third direction intersecting the first direction and the second direction.Type: ApplicationFiled: February 22, 2023Publication date: December 28, 2023Applicant: Toshiba Lighting & Technology CorporationInventors: Kousuke Ueno, Masahiko Tamai, Shinjiro Aono, Akio Tsubouchi, Satoko Kato, Masahiro Doi, Tsuyoshi Ohashi, Makoto Sakai
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Patent number: 11821603Abstract: A vehicle lighting device includes a socket; a substrate; and one first and four second light emitting elements. A square luminance distribution region is defined on light irradiation sides of first and second light emitting elements. A center of distribution region overlaps central axis of device. Distribution region is equally divided into four square first regions whose corners overlap center of distribution region. Each of first regions is equally divided into nine square second regions. A length of one side of second region is 0.8 mm. Luminance of distribution region is 90% or more of a total luminance of light emitted from device. In twenty second regions arranged along sides of distribution region, luminance of one second region is 2% or less of total luminance. In sixteen second regions provided inside twenty second regions, luminance of one second region is 3% or more and 10% or less of total luminance.Type: GrantFiled: March 8, 2023Date of Patent: November 21, 2023Assignee: Toshiba Lighting & Technology CorporationInventor: Tomohiro Matsuo
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Publication number: 20230349531Abstract: A vehicle lighting device and a vehicle lamp are provided. The vehicle lighting includes a socket; a substrate provided on one end portion side of the socket; light emitting elements provided on the substrate; and a control element provided on the substrate and electrically connected to the light emitting elements. The control element turns on some of the light emitting elements when the input voltage is lower than a first voltage; turns on all of the light emitting elements when the input voltage exceeds a second voltage higher than the first voltage; and turns on all of the light emitting elements and changes at least one of total luminous flux of the light emitting elements and current flowing through the light emitting elements according to the input voltage when the input voltage is equal to or higher than the first voltage and equal to or lower than the second voltage.Type: ApplicationFiled: March 8, 2023Publication date: November 2, 2023Applicant: Toshiba Lighting & Technology CorporationInventors: Hiraku MORI, Daisuke KOSUGI
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Patent number: 11788706Abstract: A vehicle luminaire according to an exemplary embodiment includes: a socket; and a light-emitting module that is provided on one end side of the socket and includes at least one light-emitting element, a negative characteristic thermistor, and a positive characteristic thermistor. The light-emitting element, the negative characteristic thermistor, and the positive characteristic thermistor are connected in series.Type: GrantFiled: February 3, 2021Date of Patent: October 17, 2023Assignee: Toshiba Lighting & Technology CorporationInventor: Daisuke Kosugi
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Patent number: 11780750Abstract: A fluid sterilization device according to an embodiment includes: a tube portion; a supply head in one end portion of the tube portion; a discharge head provided in the other end portion thereof and having a first hole penetrating a space between end faces on the tube portion side and the opposite side; a holder having a flange and a protruding portion projecting from one surface of the flange and provided in the first hole; a substrate on an end face of the protruding portion on a side opposite to the flange side; a light-emitting element provided on a surface of the substrate on a side opposite to the protruding portion side and emitting ultraviolet rays; a window provided in the first hole and facing the light-emitting element; and a desiccant provided outside the discharge head and in a space communicating with the first hole or in the first hole.Type: GrantFiled: August 13, 2021Date of Patent: October 10, 2023Assignee: Toshiba Lighting & Technology CorporationInventors: Takeo Kato, Atsushi Fujioka, Naoto Sakurai, Seiya Iida, Takanori Ochi
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Patent number: 11767962Abstract: A vehicle lighting device includes a socket; a substrate; and one first and four second light emitting elements. A square luminance distribution region is defined on light irradiation sides of first and second light emitting elements. A center of distribution region overlaps central axis of device. Distribution region is equally divided into four square first regions whose corners overlap center of distribution region. Each of first regions is equally divided into nine square second regions. A length of one side of second region is 0.8 mm. Luminance of distribution region is 90% or more of a total luminance of light emitted from device. In twenty second regions arranged along sides of distribution region, luminance of one second region is 2% or less of total luminance. In sixteen second regions provided inside twenty second regions, luminance of one second region is 3% or more and 10% or less of total luminance.Type: GrantFiled: March 8, 2023Date of Patent: September 26, 2023Assignee: Toshiba Lighting & Technology CorporationInventor: Tomohiro Matsuo
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Publication number: 20230271546Abstract: Provided are a vehicle lighting device and a vehicle lamp that can maintain lighting even when an input voltage drops. The vehicle lighting device according to an embodiment includes a socket; a substrate provided on one end side of the socket; a first circuit provided on the substrate; and a second circuit provided on the substrate. The first circuit has a plurality of first light emitting elements; and a control element electrically connected to the plurality of first light emitting elements and controlling a value of a current flowing through the plurality of first light emitting elements. The second circuit has second light emitting elements the number of which is smaller than the number of the plurality of first light emitting elements; and a resistor connected in series to the second light emitting elements.Type: ApplicationFiled: August 16, 2022Publication date: August 31, 2023Applicant: Toshiba Lighting & Technology CorporationInventors: Hiraku MORI, Daisuke KOSUGI
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Patent number: 11729866Abstract: 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: GrantFiled: February 27, 2020Date of Patent: August 15, 2023Assignee: Toshiba Lighting & Technology CorporationInventor: Hiroki Nakano
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Publication number: 20230185221Abstract: A heater includes: a substrate including metal and having a shape extending in one direction; a first insulating part provided on a first surface of the substrate; a first heating element provided on the first insulating part and extending along a longitudinal direction of the substrate; a first protection part provided on the first insulating part and covering the first heating element; a second insulating part provided on a second surface of the substrate facing the first surface; a second heating element provided on the second insulating part and extending along the longitudinal direction of the substrate; and a second protection part provided on the second insulating part and covering the second heating element. A length of the second heating element is different from a length of the first heating element in the longitudinal direction of the substrate.Type: ApplicationFiled: August 12, 2022Publication date: June 15, 2023Applicant: Toshiba Lighting & Technology CorporationInventors: Kousuke UENO, Masahiko TAMAI
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Patent number: 11619361Abstract: A vehicle luminaire includes: a board having a plate shape and including a first surface, a second surface facing the first surface, and at least one coupling portion penetrating between the first surface and the second surface; a light-emitting element provided on the first surface of the board; and a connecting portion having a plate shape, including a convex portion provided inside each coupling portion on one end portion side, and extending in a direction from the first surface toward the second surface. A tip portion of the convex portion may protrude from the first surface of the board. A distance between the tip portion of the convex portion and the first surface of the board may be larger than a distance between a light-emitting surface of the light-emitting element and the first surface of the board.Type: GrantFiled: February 4, 2022Date of Patent: April 4, 2023Assignee: Toshiba Lighting & Technology CorporationInventor: Hiroaki Kanagawa