Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

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.

Abstract: 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.

Abstract: 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.

Abstract: The vehicle lighting device according to an embodiment includes a socket; a substrate provided on one end side of the socket and having a wiring pattern that includes a mounting pad and a connection pad connected to the mounting pad; a light emitting element being chip-shaped and bonded to the mounting pad using a bonding material; a wire wiring connected to an electrode of the light emitting element and the connection pad; a sealing part covering the light emitting element and the wire wiring; and a suppression part suppressing a component of the bonding material protruding from the light emitting element from reaching a position where the wire wiring is connected to the connection pad.

Abstract: A vehicle luminaire according to an embodiment includes: a socket including a mounting portion and a plurality of bayonets provided on an outer surface of the mounting portion; and a light-emitting module provided inside a first recess of the mounting portion which opens on one end of the mounting portion. The light-emitting module includes a board, a wiring pattern provided on a surface of the board, and a light-emitting element electrically connected to the wiring pattern. The mounting portion includes at least one second recess that opens on a bottom surface of the first recess. When viewed from a direction along a central axis of the vehicle luminaire, the second recess is provided between a side of the board and an inner wall of the first recess that faces the side.

Abstract: A vehicle luminaire according to an embodiment includes: a socket including a mounting portion and a plurality of bayonets provided on an outer surface of the mounting portion; and a light-emitting module provided inside a first recess of the mounting portion which opens on one end of the mounting portion. The light-emitting module includes a board, a wiring pattern provided on a surface of the board, and a light-emitting element electrically connected to the wiring pattern. The mounting portion includes at least one second recess that opens on a bottom surface of the first recess. When viewed from a direction along a central axis of the vehicle luminaire, the second recess is provided between a side of the board and an inner wall of the first recess that faces the side.

Abstract: According to an embodiment, there is provided a vehicle luminaire including: a socket; a board provided on one end side of the socket; at least one light-emitting element provided on the board; a frame part provided on the board to surround the light-emitting element; a sealing part that is provided on an inner side of the frame part and contains a resin; and an optical element provided on the sealing part. The frame part includes at least any one of a trap provided on an outer surface to retain at least a part of the resin overflowed to an outer side of the frame part, and an inclined surface provided in an edge of an opening opposite to the board side.

Abstract: A heater includes: a substrate; a heating element, provided on a first surface of the substrate and extending in a longitudinal direction of the substrate; a protection part, provided on the first surface, extending in the longitudinal direction of the substrate, and covering the heating element; and at least one relaxation part, provided on a second surface of the substrate facing the first surface. A coefficient of thermal expansion of the protection part and a coefficient of thermal expansion of the at least one relaxation part are different from a coefficient of thermal expansion of the substrate. A material of the at least one relaxation part is the same as a material of the protection part, or a main component of the material of the at least one relaxation part is the same as a main component of the material of the protection part.

Abstract: A fluid sterilization apparatus according to an embodiment includes a tubular portion; a supply head provided at one end of the tubular portion; a discharge head provided at the other end of the tubular portion; a holder provided on the discharge head; a window provided on the discharge head and one surface of which is exposed to a flow path provided in the discharge head; a board provided on a surface of the holder on a side of the window; a light-emitting element provided on the board and allowed to irradiate the window with ultraviolet rays; and a heat insulating portion which is provided between the discharge head and the holder and has a lower thermal conductivity than a thermal conductivity of the holder.