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.
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.
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.
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.
F21Y 105/16 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
F21S 41/663 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
F21S 41/19 - Attachment of light sources or lamp holders
F21S 43/19 - Attachment of light sources or lamp holders
H05B 47/155 - Coordinated control of two or more light sources
H05B 47/28 - Circuit arrangements for protecting against abnormal temperature
H05B 47/14 - Controlling the light source in response to determined parameters by determining electrical parameters of the light source
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.
F21S 41/663 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
F21S 41/19 - Attachment of light sources or lamp holders
F21S 43/19 - Attachment of light sources or lamp holders
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.
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.
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.
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.
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.
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.
A heater according to an embodiment includes a substrate, a first wiring, a second wiring, and a plurality of first heating elements. Each first heating element includes an inclined portion, a first connecting portion, and a second connecting portion. When viewed from a direction perpendicular to the one surface of the substrate, the inclined portion is provided between the first wiring and the second wiring and inclined with respect to the first direction. An angle between the first (second) connecting portion side and the first (second) wiring side on an inclined portion side is larger than an angle between the first (second) wiring side on the inclined portion side and the inclined portion side on one (the other) side of the first direction where an angle between the inclined portion side and the first (second) wiring side on the inclined portion side is 90° or less.
G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
H05B 3/26 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
H05B 3/12 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
A heater according to an embodiment includes: a tubular portion; a sealing portion; a conductive portion; a heating element; a lead having one end portion side electrically connected to the conductive portion with the other end portion side exposed from the sealing portion; a connecting portion electrically connected to the exposed lead; an introduction wire having one end portion side electrically connected to the connecting portion; a base storing the sealing portion, the exposed lead, the connecting portion, and an end portion of the introduction wire; and a seal portion covering the exposed lead, the connecting portion, and the end portion of the introduction wire. The base has a first hole at a position facing the connecting portion. A length of the first hole in a pipe axial direction is longer than that of the first hole in a direction orthogonal to the pipe axial direction.
A fluid sterilization device according to an embodiment includes a tubular portion; a supply head provided in one end portion of the tubular portion; a discharge head provided in the other end portion of the tubular portion, and including a hole penetrating through the discharge head between an end face on a tubular portion side and an end face on a side opposite the tubular portion side; a substrate provided inside the hole of the discharge head; a light-emitting element provided on a surface on the tubular portion side of the substrate, and configured to emit an ultraviolet ray; and a window provided in the discharge head, and facing the light-emitting element. A surface roughness Ra of an inner surface of the tubular portion is 50 nanometers (nm) or less.
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.
F21S 43/20 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
F21V 29/507 - Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
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.
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.
A vehicle luminaire according to an exemplary embodiment includes: a socket; and a light-emitting module that is provided in on one end side of the socket, and includes only three light-emitting elements. When viewing the vehicle luminaire from a direction along a central axis, light-emitting surfaces of the three light-emitting elements have an approximately rectangular shape or an approximately square shape. At the inside of an approximately rectangular luminous region with the central axis set as the center, the three light-emitting elements are provided in parallel in a row in a direction in which short sides of the luminous region face each other.
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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.
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
H05B 45/18 - Controlling the intensity of the light using temperature feedback
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
B60Q 1/28 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating front of vehicle
B60Q 1/34 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
B60Q 1/44 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action
20.
Fluid sterilization apparatus and fluid sterilization system
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.
A vehicle lighting device according to an embodiment includes: a socket; a substrate that is provided on one end portion side of the socket; a frame portion that is provided on the substrate; at least one light-emitting element that is provided in a region on an inner side of the frame portion on the substrate; a sealing portion that is provided on an inner side of the frame portion and covers the light-emitting element; and an optical element that is provided on the sealing portion. An arithmetic-average roughness value of a first surface on the sealing portion side in the optical element is greater than an arithmetic-average roughness value of a second surface of the optical element on a side opposite to the first surface.
F21S 41/30 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
F21S 41/19 - Attachment of light sources or lamp holders
F21S 41/143 - Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
A vehicle luminaire according to an embodiment includes: a socket; and a light-emitting module which is provided at one end side of the socket. The light-emitting module includes: at least one light-emitting element; a first transistor of which a source is electrically connected to a cathode of the light-emitting element; a negative characteristic thermistor which is electrically connected to a gate of the first transistor; a positive characteristic thermistor which is electrically connected to the gate of the first transistor or a drain of the first transistor; and a second transistor of which a collector is electrically connected to the gate of the first transistor, a base is electrically connected to the drain of the first transistor, and an emitter is electrically connected to an output terminal.
H05B 45/56 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
F21V 23/06 - Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices
H01C 7/02 - Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
A heater includes: a substrate; a first heating element being provided on one surface of the substrate and extending in a longitudinal direction of the substrate; a second heating element being provided on one surface of the substrate, extending in the longitudinal direction of the substrate, and being provided side by side with the first heating element in a direction orthogonal to the longitudinal direction; a first detecting section being provided on one surface of the substrate and detecting a temperature; a wiring being electrically connected to one ends of the first heating element, the second heating element, and the first detecting section; a first terminal being electrically connected to the other end of the first heating element; a second terminal being electrically connected to the other end of the second heating element; and a third terminal being electrically connected to the other end of the first detecting section.
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.
F21S 43/19 - Attachment of light sources or lamp holders
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
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.
F21S 43/19 - Attachment of light sources or lamp holders
F21S 43/30 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
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.
H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
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.
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.
F21S 43/19 - Attachment of light sources or lamp holders
H05K 1/11 - Printed elements for providing electric connections to or between printed circuits
H05K 1/14 - Structural association of two or more printed circuits
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
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.
G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
H01C 7/00 - Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
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.
F21S 43/20 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
F21S 43/19 - Attachment of light sources or lamp holders
A photocatalytic filter may include: 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.
B01D 39/08 - Filter cloth, i.e. woven, knitted or interlaced material
B01D 39/20 - Other self-supporting filtering material of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups ; Auxiliary devices for filtration; Filter housing constructions
B01D 35/06 - Filters making use of electricity or magnetism
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.
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
F21V 29/83 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 25/10 - Safety devices structurally associated with lighting devices coming into action when lighting device is over-loaded, e.g. thermal switch
A vehicle luminaire according to an embodiment includes: a flange; a mount portion provided on one side of the flange; a light-emitting unit that is provided on an end of the mount portion opposite to the flange side and includes at least one light-emitting element; a holder which is provided on another side of the flange and into which a connector is insertable; and at least one first thermal radiation fin that is provided on the another side of the flange and extends from a peripheral edge of the flange toward the holder. In a direction in which the holder projects from the flange, the position of an end face of the holder opposite to the flange side is different from the position of a holder-side end of an end face of the first thermal radiation fin opposite to the flange side.
B60Q 1/06 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
F21S 41/19 - Attachment of light sources or lamp holders
F21V 19/00 - Fastening of light sources or lamp holders
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21V 29/74 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
34.
Vehicular luminaire, vehicular lamp, and method for manufacturing vehicular luminaire
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.
F21S 43/00 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
F21S 43/19 - Attachment of light sources or lamp holders
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
F21V 15/01 - Housings, e.g. material or assembling of housing parts
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.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
F21V 29/87 - Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
F21S 43/30 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
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.
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.
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.
F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
F21V 23/06 - Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices
F21V 25/10 - Safety devices structurally associated with lighting devices coming into action when lighting device is over-loaded, e.g. thermal switch
F21S 43/30 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
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.
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.
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
F21S 41/19 - Attachment of light sources or lamp holders
F21S 43/20 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
41.
Lighting device for vehicles and lighting tool for vehicles
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.
F21S 41/19 - Attachment of light sources or lamp holders
B60Q 1/04 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
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.
F21S 45/00 - Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
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.
F21S 43/19 - Attachment of light sources or lamp holders
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
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.
B60Q 1/14 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
45.
Vehicle lighting device including circuit portions having at least one light emitting diode, and control portion that controls connection state of circuit portions
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.
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
H05B 45/44 - Circuit arrangements for operating light-emitting diodes [LED] - Details of LED load circuits with an active control inside an LED matrix
46.
Heater, image forming apparatus, and manufacturing method of heater
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 [μm] is the thickness of the substrate, D [μm] is the depth of the groove portion in a thickness direction of the substrate, and P [μm] is a pitch between the groove portions.
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.
F21S 41/19 - Attachment of light sources or lamp holders
F21V 19/00 - Fastening of light sources or lamp holders
F21S 43/19 - Attachment of light sources or lamp holders
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
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.
F21K 9/272 - Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes - Details of end parts, i.e. the parts that connect the light source to a fitting; Arrangement of components within end parts
F21V 3/02 - Globes; Bowls; Cover glasses characterised by the shape
F21K 9/278 - Arrangement or mounting of circuit elements integrated in the light source
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
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.
According to one embodiment, a vehicle lighting device includes a loading portion; a substrate provided on one end side of the loading portion; a plurality of light emitting elements that are electrically connected to a wiring pattern provided on a surface of the substrate and provided side by side in a row in a first direction; and a plurality of power supply terminals that are electrically connected to the wiring pattern provided on the surface of the substrate and provided side by side in a row in a second direction perpendicular to the first direction.
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
F21S 43/19 - Attachment of light sources or lamp holders
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
According to one embodiment, a heater includes an elongated substrate; a conductor that is provided on the substrate along a longitudinal direction of the substrate; and a plurality of resistance heating elements which are respectively disposed on the substrate along the longitudinal direction of the substrate, are electrically connected to each other in series by the conductor, and of which each resistance temperature coefficient becomes smaller as the resistance heating elements approach end regions in the longitudinal direction of the substrate.
H05B 3/26 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
52.
Lighting device having sealing member covering inside of wall member surrounding light emitting elements
A lighting device includes a body section; a substrate provided in the body section; a wiring pattern provided on a surface of the substrate and including wiring pads; and light emitting elements provided on the wiring pattern and including electrodes in the vicinity of a circumferential edge of a surface opposite to a side on which the wiring pattern is provided. The lighting device also includes wirings that respectively connect the wiring pads and a plurality of electrodes; a surrounding wall member provided to surround the light emitting elements and having an annular shape; and a sealing section provided to cover the inside of the surrounding wall member. At least a part of the light emitting elements is connected in series. The electrodes are respectively positioned on or inside a circumference passing through centers of the light emitting elements which are connected in series.
H01L 33/54 - Encapsulations having a particular shape
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/48 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor body packages
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.
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
Provided is a lighting system capable of achieving lighting whereunder competitions can be performed comfortably. According to an embodiment of this invention, the surface to be illuminated for the lighting system is the interior of a competition venue. The lighting system is equipped with a plurality of lighting instruments. Each of the plurality of lighting instruments has a light-emitting surface that emits the light from a light source. The plurality of lighting instruments are disposed in such a manner that, when the light-emitting surface is observed from an arbitrary position on the surface to be illuminated, the solid angle of a light emitting surface having a high brightness of a predetermined brightness or greater is smaller than a predetermined solid angle.
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.
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
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.
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
F21V 21/28 - Pivoted arms adjustable in more than one plane
F21V 21/29 - Pivoted arms adjustable in more than one plane employing universal joints
B60Q 3/74 - Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
B60Q 3/82 - Switches specially adapted for vehicle interior lighting, e.g. switching by tilting the lens
According to one embodiment, a luminaire includes a board provided in a main body part, a light-emitting element provided on a surface of the board, a surrounding wall member provided to surround the light-emitting element, and a joining part including a first portion which is provided between the board and the surrounding wall member and a second portion which is provided outside the surrounding wall member and covers at least a part of an outer wall of the surrounding wall member.
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
F21V 7/22 - Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
F21V 9/16 - Selection of luminescent materials for light screens
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 23/02 - Arrangement of electric circuit elements in or on lighting devices the elements being transformers or impedances
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/48 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor body packages
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
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.
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
B60Q 1/44 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action
F21V 17/04 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages onto or by the light source
F21V 17/12 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
F21S 41/19 - Attachment of light sources or lamp holders
F21S 41/143 - Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
F21S 43/19 - Attachment of light sources or lamp holders
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
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.
F21S 43/19 - Attachment of light sources or lamp holders
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
F21S 45/48 - Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
F21S 45/00 - Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
F21S 41/143 - Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
F21S 41/19 - Attachment of light sources or lamp holders
The present invention comprises a metal base material, an insulating layer provided upon the base material, and a wiring layer provided upon the insulating layer. The insulating layer includes a first area and a second area provided between the first area and the base material. The first area includes silicon oxide and a plurality of first fine structures. The second area includes silicon oxide and a plurality of second fine structures having a higher thermal conductivity than the first fine structures.
The present invention provides a light-emitting module substrate including a base material, a reflective layer, and a wiring layer. The base material has electrical-insulation properties. The reflective layer is provided upon at least some of the base material and includes a plurality of fine structures and a silicon oxide section provided around at least some of the plurality of fine structures. The wiring layer is provided upon at least some of the base material.
Provided is a lighting device which is provided with a first substrate, a first conductive layer, a first electrode, an organic layer and a second electrode. The first substrate has a main surface which comprises a first region and a second region that is arranged side by side with the first region in a first direction. The first conductive layer has a light-reflecting conductive part that is provided on the second region and a plurality of openings that are arranged in a line. The first electrode, the organic layer and the second electrode are laminated in this order. The second electrode has a plurality of first portions that are provided on the organic layer and a plurality of second portions that are provided on the first conductive layer and respectively connected to the plurality of first portions, while being electrically connected to the first conductive layer. The plurality of first portions extend in the first direction and are aligned in a second direction. Consequently, a lighting device that has light permeability and high reliability and a lighting system are provided.
H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
Disclosed is a lighting system including: a board; a wiring pattern that is provided on a surface of the board and has a wiring pad; a light emitting element that is provided on the wiring pattern and includes an electrode on a surface thereof opposite to a surface thereof provided on the wiring pattern; a surrounding wall member that is provided to surround the light emitting element; a wiring that connects the wiring pad and the electrode; and a sealing portion that is provided inside the surrounding wall member and covers the light emitting element and the wiring. Here, an angle that is formed by a segment that connects a central position of a portion of the board surrounded by the surrounding wall member and a position where the wiring is connected to the wiring pad, and the wiring is 0° to 45°, or 135° to 180°.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/56 - Materials, e.g. epoxy or silicone resin
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
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.
A lighting device for a moving body includes a substrate that has a base body having connection sections on a side surface and a wiring pattern provided on at least one main surface of the base body. The moving body further includes a light emitting element that is electrically connected to the wiring pattern, and an adhesive section that is provided between the base body and a body section. The connection sections are at least one of groove sections, concave sections, and convex sections, while the adhesive section covers at least a part of the plurality of connection sections.
A lighting device according to an embodiment includes a board that contains ceramics on at least a surface thereof, a light emitting element that is provided on the surface of the board, a wiring pattern that is provided on the surface of the board and is electrically connected to the light emitting element, a surrounding wall member that is provided to surround the light emitting element, a joining portion that is provided between the board and the surrounding wall member, and a coating portion that is provided between the board and the joining portion and contains a glass material.
F21V 29/76 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
A lighting device includes a body section; a substrate provided in the body section; a wiring pattern provided on a surface of the substrate and including wiring pads; and light emitting elements provided on the wiring pattern and including electrodes in the vicinity of a circumferential edge of a surface opposite to a side on which the wiring pattern is provided. The lighting device also includes wirings that respectively connect the wiring pads and a plurality of electrodes; a surrounding wall member provided to surround the light emitting elements and having an annular shape; and a sealing section provided to cover the inside of the surrounding wall member. At least a part of the light emitting elements is connected in series. The electrodes are respectively positioned on or inside a circumference passing through centers of the light emitting elements which are connected in series.
H01L 27/15 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01J 31/04 - Cathode-ray tubes; Electron-beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with only one or two output electrodes
H01J 61/36 - Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
H01J 61/16 - Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
H01R 13/405 - Securing in non-demountable manner, e.g. moulding, riveting
H01J 5/54 - Means forming part of the tube or lamp for the purpose of providing electrical connection to it supported by a separate part, e.g. base
H01J 5/62 - Connection of wires protruding from the vessel to connectors carried by the separate part
H01J 9/36 - Joining connectors to internal electrode system
H01K 1/46 - Means forming part of the lamp for the purpose of providing electrical connection to, or support for, the lamp supported by a separate part, e.g. base, cap
According to one embodiment, an LED lighting device comprises at least one normally-on type switching element, an output generation unit that generates DC output by an on-off operation of the switching element, a semiconductor light emitting element that is lit by the DC output generated by the output generation unit, and a driving control unit that causes the switching element to perform an off operation using a current passed through the semiconductor light emitting element.
Provided is a lighting device that is equipped with first and second base plates, a sealing part, an element part, a moisture absorption part, and a first light shielding part. The first base plate has a first surface and a second surface opposing the first surface; the first surface has first and second regions, and the second surface has a third region opposing the first region and a fourth region opposing the second region. The second base plate has a third surface opposing the first surface and a fourth surface opposing the third surface; the fourth surface has a fifth region opposing the first region and a sixth region opposing the second region. The element part has a first electrode above the first and second regions, a second electrode between the first electrode and the second base plate, and an organic layer between the first and second electrodes. The moisture absorption part is provided between the second and sixth regions, and does not oppose the fifth region. The first light shielding part opposes the sixth region but does not oppose the fifth region. Due to this configuration, a lighting device and lighting system are provided that make it possible to enlarge the area ratio of a light-emitting region.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
A light emitting device according to an embodiment includes: a main body section; a light emitting section provided in the main body section and including a light emitting element; a cover provided on a side of the main body section where the light emitting section is provided; and an adhesive section provided between the main body section and the cover in a part of a region on the side of the main body section where the light emitting section is provided.
F21V 15/01 - Housings, e.g. material or assembling of housing parts
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
According to one embodiment, an incandescent lamp includes: a bulb; a pair of lead sections that have respectively a holding section including nickel or molybdenum as a main component and an introduction section that is joined to one end portion of the holding section and is formed of Dumet wire; a filament section that is held between end portions of a pair of holding sections opposite to a side on which the introduction sections are joined inside the bulb; a fixing member that holds a pair of introduction sections inside the bulb; and a sealing section that seals one end portion of the bulb and holds the pair of introduction sections.
A light emitting device according to the present embodiment includes a substrate on which a wiring portion is provided; a light emitting element which is provided on the substrate and is electrically connected to the wiring portion; a feeding portion to which an electric power is supplied from the outside; a first connection portion which is provided on the substrate and is electrically connected to the wiring portion; a second connection portion which is joined to the first connection portion through soldering and includes a first opening portion into which the feeding portion is inserted; and a soldering portion which is provided between the first opening portion and the feeding portion.
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 19/00 - Fastening of light sources or lamp holders
H01R 43/02 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
F21V 23/06 - Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
H01R 12/58 - Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
F21V 29/70 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
H05K 3/30 - Assembling printed circuits with electric components, e.g. with resistor
According to one embodiment, a discharge lamp includes a light-emitting part including a discharge space therein in which a metal halide and a gas are sealed, and a pair of electrodes which protrude toward an inside of the discharge space and are arranged to face each other while separated by a specified distance. Power consumption at a time of stable lighting is 20 W or more and 30 W or less. When a pressure of the gas sealed in the discharge space is X (atm), and a distance between a center axis of the electrodes and a surface of the metal halide is m (mm), a following expression is satisfied: 0.085≦m/X≦0.12.
H01J 61/073 - Main electrodes for high-pressure discharge lamps
H01J 61/12 - Selection of substances for gas fillings; Specified operating pressure or temperature
H01J 61/82 - Lamps with high-pressure unconstricted discharge
H01J 61/16 - Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
A lighting device includes a body section; a cover section provided on an end surface of the body section; and a light emitting module provided between the body section and the cover section, having a light emitting element. A position of the end section of the light emitting module is equal to a position of the end section of the body section, or is nearer to the side of the cover section than the position of the end section of the body section. The position of the end section on the side of the body section in a portion in which the cover section comes into contact with the body section is nearer to the side of the body section than the position of the end section of the light emitting module on the side of the cover section.
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21V 19/00 - Fastening of light sources or lamp holders
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21V 23/06 - Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
A lamp apparatus (1) is provided with: an annular housing (2) having a center part thereof opened in the front-rear direction; a light emitting body (3) having a substrate (14), and a light emitting element (15) mounted on the substrate (14); and a heat dissipating body (4), which has one end-side end surface larger than a maximum diameter of a substrate (14) region where the light emitting element (15) is mounted, the other end-side end surface having a heat dissipating surface (19b) formed thereon, and which has the light emitting body (3) attached to the housing (2) such that the light emitting body outputs light to the front side of the housing (2). The heat dissipating body (4) is formed so as to satisfy relational expressions of B>A, T=(B-A)/2, and T≥A/4, where (T) is a thickness from the one end-side end surface to the other end-side end surface, (A) is a size corresponding to the region having the light emitting element (15) mounted on the substrate (14) on the one end side-end surface, and (B) is a size of the heat dissipating surface (19b) formed on the other end-side end surface.
According to one embodiment, there is provided a lighting device which includes a substrate; a light emitting element which is provided on the substrate; and a resistive element which is provided on the substrate, and is connected to the light emitting element in series. A voltage rate of the resistive element when a value of a first voltage which is reduced to half is applied to a first circuit to which the light emitting element and the resistive element are connected in series becomes equal to or smaller than 25% of a voltage rate of the resistive element when the first voltage is applied to the first circuit.
B60Q 1/14 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
A lighting device is provided that includes: a light emitting section that has a light emitting element and a switch for controlling a lighting state of the light emitting element; a housing that stores the light emitting section and has one end section which is open; a translucent cover that covers the opening of the housing; and a frame that is provided between the housing and the cover. The frame includes an edge section that presents a frame shape and a holding section having one end provided in the edge section and the other end protruding from the edge section. The holding section holds an operation section operating the switch and is exposed from the cover.
B60Q 3/02 - Arrangement of lighting devices for vehicle interior, the mounting or supporting thereof or circuits therefor for lighting passenger or driving compartment
B60K 37/06 - Arrangement of fittings on dashboard of controls, e.g. control knobs
B60Q 3/00 - Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
80.
Luminaire for interior lamp provided in automobile
According to one embodiment, there is provided a luminaire including a light-emitting element and a cover provided on an irradiation side of the light-emitting element. The cover includes a first light transmitting section provided on the center side of the cover and a second light transmitting section provided at the peripheral edge of the first light transmitting section and having light transmittance higher than the light transmittance of the first light transmitting section.
F21V 3/02 - Globes; Bowls; Cover glasses characterised by the shape
F21V 3/04 - Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
F21V 13/10 - Combinations of only two kinds of elements the elements being reflectors and screens
B60Q 3/02 - Arrangement of lighting devices for vehicle interior, the mounting or supporting thereof or circuits therefor for lighting passenger or driving compartment
Provided is a lighting device equipped with a light source module and a device body. The light source module is equipped with: an elongated support body that supports a substrate on which a light source is disposed; and a cover that has a pair of plates inclined in such a manner that the width widens from the substrate side toward the direction in which light is emitted from the light source, and covers the substrate supported by the support body. The device body has an engagement part that engages with a part to be engaged, which is disposed on the light source module, and supports the light source module via engagement of the engagement part and the part to be engaged, so as to be capable of being attached and detached. Thus, a lighting device with improved ease of assembly is provided.
F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
F21S 2/00 - Systems of lighting devices, not provided for in main groups or , e.g. of modular construction
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21Y 101/02 - Miniature, e.g. light emitting diodes (LED)
A vehicle lighting device includes a light emitting unit, a holding unit, a light guide, a cover and an attachment unit. The light emitting unit has one or more light emitting elements. The holding unit holds the light emitting unit. The light guide guides light emitted from the light emitting unit and emits the light from a tip which is on a tip side opposite to a light emitting unit side. The cover has a first fixation unit to be fixed to the holding unit and a second fixation unit which has a diameter smaller than a diameter of the first fixation unit and internally fixes the light guide thereto in a state of exposing the tip. The attachment unit is formed in the second fixation unit in a shape attachable to a reflector.
The illumination device pertaining to an embodiment of the invention is provided with: a substrate; a wiring pattern provided on the surface of the substrate, the wiring pattern having a wiring pad; a light-emitting element provided on the wiring pattern, the light-emitting element having an electrode on the surface on the side opposite that at which the light-emitting element is provided on the wiring pattern; an enclosure wall member provided so as to enclose the light-emitting element; a wire for connecting the wiring pad and the electrode; and a sealing part for covering the light-emitting element and the wire, the sealing part being provided on the inside of the enclosure wall member. The angle between the wire and a line segment linking the center position of the portion of the substrate enclosed by the enclosing wall member and the position at which the wire is connected to the wiring pad is 0° to 45° or 135° to 180°.
A lighting device in an embodiment is provided with the following: a substrate that contains a ceramic in at least the surface thereof; a light-emitting element provided on the surface of the substrate; a wiring pattern that is provided on the surface of the substrate and is electrically connected to the light-emitting element; an enclosing-wall member provided so as to enclose the light-emitting element; a joining part provided between the substrate and the enclosing-wall member; and a covering part that is provided between the substrate and the joining part and contains a glass material.
According to an embodiment of the present invention, a lighting apparatus is provided with: a main body section; a substrate that is provided in the main body section; a wiring pattern, which is provided on the surface of the substrate, and which has a plurality of wiring pads; a plurality of light emitting elements, each of which is provided on the wiring pattern, and has an electrode close to the periphery of the surface on the reverse side of the surface on which each of the light emitting elements is provided on the wiring pattern; a plurality of wiring lines that connect the wiring pads and the electrodes, respectively; a surrounding wall member, which is provided to surround the light emitting elements, and which has an annular shape; and a sealing section that is provided to cover the inner side of the surrounding wall member. At least some of the light emitting elements are connected in series. In the electrical connection between the light emitting element and the light emitting element among the light emitting elements connected in series, the electrodes are respectively positioned on a circumference or inside of the circumference, which has a first position at the center, and which passes the centers of the light emitting elements connected in series.
According to one embodiment, a luminaire includes a board provided in a main body part, a light-emitting element provided on a surface of the board, a surrounding wall member provided to surround the light-emitting element, and a joining part including a first portion which is provided between the board and the surrounding wall member and a second portion which is provided outside the surrounding wall member and covers at least a part of an outer wall of the surrounding wall member.
F21V 31/00 - Gas-tight or water-tight arrangements
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/48 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor body packages
87.
LIGHTING APPARATUS, AND LIGHTING APPARATUS FOR VEHICLE
According to an embodiment of the present invention, a lighting apparatus (1) has a socket section (2), a light emitting section (3), and a cover section (4). The light emitting section (3) is provided in a housing section (21) of the socket section (2), and has light emitting elements (31). The cover section (4) closes the housing section (21) of the socket section (2), and has an opening (41) formed therein, said opening passing through light radiated from the light emitting elements (31). A light emitting section (3) end surface (light emitting section upper surface (3a)) on the opening (41) side overlaps the opening (41) in the thickness direction of the cover section (4), and the end surface is positioned further toward the light emitting section (3) side than a cover section (4) end surface (cover section upper surface (4a)) on the reverse side of the light emitting section (3). The highly reliable lighting apparatus and a lighting apparatus for vehicles are provided.
A lamp system (10) is provided with a straight tube lamp (13) and a socket (14). The straight tube lamp (13) has a straight tube-shaped cover (20) having light emitting elements housed therein, and ferrules (23) that are disposed at both the ends of the cover (20). On the end surface of each of the ferrules (23) at both the ends, a pair of lamp pins (30) are provided to protrude therefrom, said lamp pins having leading ends thereof protruding in the direction intersecting the longitudinal direction of the lamp. The socket (14) has: a socket main body (41); a rotor (42), which is disposed on the socket main body (41), and which has the pair of lamp pins (30) of the straight tube lamp (13) mounted thereon; 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) is made movable in the longitudinal direction of the lamp.
This solid-state light emitting device is equipped with: a linear light emitting body provided with a quartz optical fiber which has a core and a cladding provided around the core and in which laser beams having wavelengths in the ultraviolet to blue light regions and introduced into the core end face on one end are reflected off the interface between the core and the cladding and guided toward the other end while scattered light at the interface is emitted outward through the cladding, and a wavelength conversion layer which is provided so as to cover a first region on the outer edge of the quartz optical fiber; a light source for emitting the laser beams; and a frame around which the linear light emitting body is wound. The wavelength conversion layer, which absorbs the scattered light radiated thereon, emits wavelength-converted light, and a mixed light of the wavelength-converted light and the scattered light emitted outward without being absorbed by the wavelength conversion layer is emitted from the outer edge of the linear light emitting body.
The purpose of the present invention is to provide a discharge lamp and a lighting tool for a vehicle capable of controlling the boost of tube voltage during product life. A discharge lamp (100) according to an embodiment comprises: a light emitting part (11) having a discharge space (111) inside in which a metal halide (2) including an indium halide is sealed; and a pair of electrodes (32) which projects inside the discharge space (111), the electrodes arranged opposite each other at a prescribed distance. The ratio of indium halide contained in the metal halide (2) is 0.1 wt% - 0.33 wt%. Further, a dimension (d) that is the longest part of the discharge space (111) in the direction orthogonal to the direction in which the pair of electrodes (32) extends in the discharge space (111) is 1.5 mm - 2.3 mm.
H01J 61/18 - Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
According to the embodiment of the present invention, a light emitting apparatus is provided with: a main body section; a light emitting section, which is provided in the main body section, and which has a light emitting element; a cover that is provided on the main body section side on which the light emitting section is provided; and a bonding section that is provided on a part of a region on the main body section side on which the light emitting section is provided, said region being between the main body section and the cover.
This solid-state lighting device has a light source section, which has a semiconductor light emitting element, and which outputs excitation light, a light guide section, a wavelength conversion layer, and an irradiation region moving means. The light guide section has a light input section into which the excitation light is introduced, and an irradiation section from which the excitation light is outputted. The wavelength conversion layer has: a first region, which absorbs the excitation light, and which outputs first wavelength conversion light having a wavelength longer than that of the excitation light; and a second region, which absorbs the excitation light, and which outputs second wavelength conversion light having a wavelength longer than that of the excitation light. The emission spectrum of the first wavelength conversion light and that of the second wavelength conversion light are different from each other. The ratio of the first wavelength conversion light to the light output of the excitation light outputted through the first region, and the ratio of the light output of the second wavelength conversion light to the light output of the excitation light outputted through the second region are different from each other. The irradiation region moving means changes an irradiation position of the excitation light outputted from the irradiation section, said position being on the surface of the wavelength conversion layer.
Provided is a discharge lamp having excellent bonding strength between a metal foil and an electrode. This discharge lamp is provided with: a metal foil (31) having a first surface and a second surface (312); and an electrode (32) that is connected to the metal foil (31). In the discharge lamp, a welding mark (36) is formed such that the first surface and at least a part of the electrode (32) overlap each other, and the welding mark (36) has an elliptical shape that is long in the axis direction of the electrode (32) when viewed from the second surface (312) side. The ratio (L1/L2) between a first length (L1) of the welding mark (36), said first length being in the axis direction of the welding mark, and a welding mark second length (L2) in the direction orthogonal to the axis direction satisfies formula of 1.08≤L1/L2≤1.56.
This light-emitting device comprises: a substrate having a wiring unit provided thereon; a light-emitting element provided upon the substrate and electrically connected to the wiring unit; a power supply unit having power supplied thereto from outside; a first connection unit provided upon the substrate and electrically connected to the wiring unit; a second connection unit solder-bonded to the first connection unit and having a first opening section into which the power supply unit is inserted; and a soldered section provided between the first opening section and the power supply unit.
A lamp system (10) is provided with a straight-tube lamp (13) and a socket (14). The straight-tube lamp (13) has a straight-tube-shaped cover (20) that houses a semiconductor light-emitting element and that is at least partially translucent, and caps (23) disposed on both ends of the cover (20). A pair of lamp pins (30), the tip of each of which projects outward, are provided protruding from the end face of each of the caps (23), and an erroneous mounting prevention protrusion (31) is also provided protruding therefrom. The straight-tube lamp (13) is mounted in the socket (14) by inserting the pair of lamp pins (30) from the outer face and rotating the straight-tube lamp (13) disposed on the front side. The socket (14) has a recessed section (63) into which the erroneous mounting prevention protrusion (31) is inserted and rotated in conjunction with the insertion and rotation of the pair of lamp pins (30).
Provided is a metal halide lamp having fast light beam startup. The present invention is a metal halide lamp, which is for vehicles, does not contain mercury, is supplied with 23-27 W of electrical power during stable lighting, and is equipped with a light-emitting tube provided with both a light-emitting section (11) provided with a discharge space (111) therewithin and a pair of seal sections (12) formed at both ends of the light-emitting section (11), and wherein the discharge space (111) is provided with a cylindrical section (1111), and conical sections (1112) formed at both ends of the cylindrical section (1111), and when the thickness of the section having the greatest outer diameter of the light-emitting section (11) is d1 and the thickness of the light-emitting section (11) between a boundary point (P1) of the light-emitting section (11) and the seal sections (12) and a point (P2) on the conical sections (1112) when a vertical line is drawn from the boundary point (P1) to the conical sections (1112) is d2, 1.6 mm ≤ d1 ≤ 1.8 mm and 0.75 ≤ d2/d1 ≤ 0.95 are satisfied.
H01J 61/88 - Lamps with discharge constricted by high pressure with discharge additionally constricted by envelope
H01J 61/86 - Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
100.
LIGHT EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, AND PACKAGE MEMBER
This light emitting device has a first package member, a semiconductor laser element, a second package member, a metal bump, a ferrule, and a bonding layer. The first package member has: a first insulating substrate; a first electrode, which includes a die pad section, an outer conductive section, and a connecting section; and a first sealing conductive section. The semiconductor laser element is capable of emitting laser light having a wavelength within a blue-violet to blue wavelength range. The second package member has: a second insulating substrate; a second electrode, which includes an inner conductive section, an outer conductive section, and a connecting section; and a second sealing conductive section. The metal bump connects the second electrode and the semiconductor laser element to each other. The bonding layer bonds the first sealing conductive section, the second sealing conductive section, and the ferrule to each other. The first insulating substrate and/or the second insulating substrate is provided with a recessed portion and a side-surface opening. The ferrule of an optical fiber is inserted into the side-surface opening.
