Abstract: An illumination module is disclosed, which is comprised of a plurality of light sources, a plurality of light source substrates of high thermal conductivity, and a reflecting member for reflecting light. The plural light source substrates are arranged at positions corresponding to each other so as to form a polygon periphery of the illumination module, whereas the inner surface of the polygon periphery is enabled for at least one of the plural light sources to fit therein. The reflecting member is placed at the center of the module where it is corresponding to each of the plural light source substrates so as to reflect the light emitting from the light sources fitted thereon. In addition, a lens with light refraction ability is disposed at the light emitting end of the illumination module so as to enable the light illumination module to have light condensing/diffusing capability.

Abstract: An LED lamp includes a lampshade, an LED module and a heat sink supporting and cooling the LED module. The heat sink includes a heat absorbing portion having a base plate for mounting the LED module thereon, and engaging with the lampshade for enclosing the LED module. A plurality of fins is formed on a top of the heat absorbing portion, and the fins extend outwardly beyond an outmost edge of the heat absorbing portion. A sidewall connects outmost ends of the fins. A plurality of apertures are defined between the outmost edge of the heat absorbing portion, the fins and the sidewall for allowing an airflow to flow from a bottom to a top of the heat sink via the apertures, thereby to effectively cool the heat sink and accordingly the LED module.

Abstract: A lighting device with a multiple cooling layer structure has at least one mounting heat conductive block, at least one light assembly and multiple heatsinks. The mounting heat conductive block has a front end, a rear end, a side and at least one shoulder. Each shoulder is formed at the side of the mounting bracket. The light assembly is mounted on the front end of the mounting bracket. Each heatsinks is mounted on one of the shoulders and the rear end of the mounting bracket. When the lighting device generates heat, the heat is able to drive away from the mounting bracket to the heatsinks. The lighting device is able to cool down. The mounting heat conductive block and the heat sinks are easy to manufacture and transfer heat more effectively.

Abstract: A heat exchange device that includes a structural section and a thin layer of material attached to a surface of the structural section. The thin layer of material has a thickness less than 100 microns. The combination of the structural section and the thin layer of material has a higher thermal transfer coefficient than the structural section alone, the thermal transfer coefficient representing an ability to exchange thermal energy with an ambient gas.

Abstract: An improved vehicle lamp assembly having a vehicle light bulb and a bulb shield which absorbs heat generated by the vehicle light bulb. The bulb shield is interconnected with a thermoionic (thermionic) device for producing electric current generated as a result of the heat generation and absorption. The thermoionic device redirects the electric current produced to the vehicle lamp assembly or another vehicle electrical system.

Abstract: A light engine for use in systems such as automotive lighting systems employs two or more semiconductor light sources, such as LEDs. Light emitted from the light sources is captured by light pipes which are mounted such that the light capturing surface of the light pipes are properly positioned, with respect to the semiconductor light sources, substantially independent of changes in the dimensions of the light pipes which may result from thermal expansion or contraction of the light pipes. The light pipes transfer substantially all of the light captured from the semiconductor light sources to light emitting surfaces of the light pipes which can be appropriately located adjacent the output optics of the lighting system. The light engine can be easily assembled as the light pipes are retained in slots on a positioning member which is mounted at a known position with respect to the semiconductor light sources.

Abstract: A lightbar assembly including a housing including a base of plastic material and warning light modules mounded in the housing. The warning light modules include LEDs attached to PC boards. Thermally conductive pads of a heat conductive plastic material are mounted in the base. A metallic heat conductive element is provided between the PC boards and the thermally conductive pads. A structural member is secured to the outside of the base and is in contact with the thermally conductive pads.

Abstract: A headlamp assembly for a motor vehicle having a light source, a chamber that receives the light source and a cooling channel for removing heat from the chamber. A conductive wall and an insulating wall cooperate to define the chamber and the channel. The conductive wall has a substantially higher thermal conductivity than the insulating wall to promote the heat exchange between the chamber and the cooling channel and to reduce heat exchange between the cooling channel and the relatively hot engine compartment.

Abstract: A lighting and/or signalling device for a motor vehicle comprising: an outer wall delimiting the interior and exterior of a closed chamber, a casing, a closing glass closing the casing, the glass and casing forming at least partly the outer wall of the chamber, at least one light source inside the chamber, at least one heat exchange zone for transferring heat from inside to outside the chamber outer wall including the heat exchange zone, the heat exchange zone being able to be in contact with a fluid capable of circulating in the region of this heat exchange zone, so that the fluid enables heat emitted in the region of the heat exchange zone to be evacuated.

Abstract: A vehicle headlamp is provided. The vehicle headlamp includes a lampshade, a lamp base provided at the lampshade, a light source module provided at the lamp base, a light source adjusting mechanism connected between the lampshade and the lamp base and a heat dissipation module. Wherein, lampshade has an opening, and the light source adjusting mechanism can adjust the relative position between the lampshade and the lamp base. In addition, the heat dissipation module provided between the light source module and the lamp base can extend to the external side of the lampshade via the opening.

Abstract: Provided is an LED light source including a frame having a V-shaped groove formed in the upper portion thereof and a heat sink formed to extend from the lower portion thereof, the V-shaped groove having a planar bottom surface on which a circuit pattern is formed; a plurality of LEDs disposed on the bottom surface of the V-shaped groove; a diffuser plate coupled to the upper end of the frame so as to diffuse light emitted from the plurality of LEDs; a pair of plugs coupled to both side ends of the frame and receiving alternating-current (AC) power from outside; and a power converter fixed and coupled to the lower portion of the frame and electrically connected to the plugs and the plurality of LEDs, the power converter converting the AC power applied from the plugs into direct-current (DC) power and supplying the DC power to the LEDs.

Abstract: A heat exchange structure includes a plurality of elongated air ducts. The heat exchange structure has an exterior heat exchange surface and interior heat exchange surfaces, the interior surfaces being in the elongated air ducts. The heat exchange structure includes a plurality of heat generators that are distributed on the exterior heat exchange surface along an elongated direction of the air ducts, in which air flowing in the air duct is heated successively by heat from the heat generators, and air flow in the air duct is enhanced by buoyancy of heated air.

Abstract: A light emitting diode headlamp capable of low beam and high beam functions. The light emitting diode headlamp assembly comprises high-flux light emitting diodes, a reflector subassembly, a first and second light transmissive member, and a heat sink.

Abstract: A light assembly for an automotive vehicle includes a lens holder that supports an internal lens. The light assembly includes a light source powered by the vehicle. The internal lens includes a first surface having a plurality of protrusions. The protrusion scatter and diffuse heat emitted from the light source away from an outwardly positioned reflex lens and an outer lens. The protrusions also reflect light toward a reflector to increase the overall brightness observed coming from the light assembly.

Abstract: A lamp, in particular a vehicle lamp, is equipped with a burner (12), which is secured to a holding device (20, 22) made of metal. The lamp (10) is further equipped with a bottom section (24) made of plastic. In order that the lamp is of a simple, mechanically stable design, and nonetheless is thermally stable, in accordance with a first aspect, an opening (28) of the bottom section (24) is provided with projections (40) in such a way that a base sleeve (26) made of metal, which is disposed in the opening (28), does not bear laterally against the bottom section (24) over its entire surface. In accordance with a second aspect, the base sleeve (26) develops a flange (26a), which screens a top side (36) of the bottom section (24), at least partially, against the burner (12), wherein a (10) space remains between the flange (26a) and the top side (36) of the bottom section (24).

Abstract: The invention describes an optical signal transmitter device, in which a specific, predetermined emission characteristic or light density distribution is achieved solely by the arrangement of two or more light elements on a base plate. This means that there is no longer any need for complicated optical structures in order to produce the predetermined light distribution. The invention furthermore describes an optical signal transmitter device that uses a convex condenser in order to improve the light gathering characteristic.

Abstract: A vehicle lighting device includes at least one lamp unit, a holder that holds the lamp unit in a rotatable manner around a vertical axis, and a drive unit that rotates the lamp unit around the vertical axis.

Abstract: An improved vehicle lamp assembly having a vehicle light bulb and a bulb shield which absorbs heat generated by the vehicle light bulb. The bulb shield is interconnected with a thermoionic device for producing electric current generated as a result of the heat generation and absorption. The thermoionic device redirects the electric current produced to the vehicle lamp assembly or another vehicle electrical system.

Abstract: A lighting device includes at least one light-emitting diode (3) and a cooling aggregate (1) for cooling the at least one light-emitting diode (3), wherein the cooling aggregate (1) is provided with locking elements (17, 18, 19) adapted to form a bayonet catch with a fixing device (30) holding the lighting device. Preferably, at least one of the lighting devices is mounted as the light source in a vehicle headlight.

Abstract: A lamp housing for a projector is for accommodating at least a lamp, and a heat-dissipating fan disposed at one side of the lamp housing. The lamp housing includes a housing body, and a baffle plate. In this case, the housing body has a first opening, and the wind blown by the heat-dissipating fan flows from the first opening into the housing body. The baffle plate is disposed between the housing body and the lamp. The baffle plate and the direction of the wind blown by the heat-dissipating fan form an included angle.

Abstract: A heat-dissipating headlamp assembly comprises a housing including a light source such as a light-emitting diode (LED) disposed therein, and a detachable heat shroud covering the rearward portion of the housing. In the preferred embodiment the housing includes a pair of opposing detents, and the detachable heat shroud includes a pair of opposing protrusions that cooperate with the detents to hold the shroud in position. The assembly further includes a mounting bracket extending downwardly from the rearward portion for attachment to a headband, spectacle frames, or other head-worn item, and the heat shroud includes an upper rearward notch to accommodate the electrical cable connected to the light source and a lower rearward notch to accommodate the mounting bracket. The heat shroud is generally cylindrical in shape, and so, too, is the housing, at least where the heat shroud attaches thereto.

Abstract: A headlamp assembly for a motor vehicle, including a housing coupling the headlamp assembly to a frame of the motor vehicle, a light source positioned within the housing for emitting light rays, and a reflector positioned within the housing and configured to direct the light rays into a beam. The reflector is movable with respect to the housing and the light source so as to adjust the beam direction.

Abstract: A headlamp assembly for a motor vehicle. The headlamp assembly includes a lens and a housing cooperating to at least partially define an inner chamber that is generally fluidly isolated from the atmosphere. Mounted within the inner chamber is a one piece reflector having a reflective portion and a heat sink portion. The reflective portion reflects light from a light source forward through the lens, while the heat sink portion conducts heat from the reflective portion and dissipates the heat from the assembly.

Abstract: An ambiance lighting system for a vehicular passenger compartment has a variable color light output which is automatically responsive to temperature changes. First and second light sources of different colors (e.g., blue and red) are positioned immediately behind the air discharge vents and are selectively energized by a control circuit so that the first light source radiates light through the vent when the temperature falls below a predetermined value and the second light sources energizes the second color of light when the air temperature rises above a predetermined value. Sensors are used to detect the temperature of air, preferably in the ducting plenum. Various control strategies can be deployed to achieve aesthetically interesting light presentations which enhance ambiance within the passenger compartment.

Abstract: A lighting system for a vehicle comprises a sealed unitary light module including at least one high-intensity power light emitting diode operates with a luminous efficiency of at least about 7 lumens per watt when passing a forward current of at least about 350 milliamps and that emits a luminous flux of at least about 25 lumens when operated at its operating voltage. The sealed unitary light module is removable as a unit from the vehicle and includes a heat dissipating element and a lens.

Abstract: An LED unit for a vehicle lamp assembly. The LED unit is comprised of a housing, one or more LEDs, a light pipe, and an optic structure. The housing contains the LEDs and has the light pipe extending therefrom. The light pipe is sized sufficiently narrow for extending through a hole formed in a base portion of the vehicle lamp assembly. The light pipe is attached to an optic structure. The vehicle lamp assembly transmits light in a unilateral direction distal to the housing through the light pipe and the optic structure. The optic structure scatters light in a series of directions distal to the housing.

Abstract: In a quick assembling structure for LED lamp and heat dissipating module, the LED lamp set includes a casing and an LED module, and the casing has a containing hole, a stopping member protruded from an internal edge of the containing hole, a plurality of support stands extended outward from an external edge of the containing hole, and a latch portion formed on an internal side of the support stand. The LED module is contained in the containing hole of the casing and includes a base board and a plurality of LEDs fixed onto the bottom of the base board, and the heat dissipating module has an isothermal board installed on a side of the support stand of the casing, and a surface of the isothermal board is attached onto the base board of the LED module, and another surface is latched to a latch portion of the support stand. Such arrangement not only greatly reduces the labor cost for the assembling process, but also lowers the material cost for the screws.

Abstract: In an assembling structure for LED road lamp and heat dissipating module, the LED road lamp includes a partition board, an upper casing, a light transmitting lens and an LED lamp set. The upper casing and the light transmitting lens are set separately on upper and lower sides of the partition board. Each LED lamp set is contained in a space enclosed by the partition board and the light transmitting lens. The partition board has a plurality of through holes, and the LED lamp set includes a frame body and an LED module. The heat dissipating module includes a heat dissipating body, a heat pipe and an isothermal board. The heat dissipating body is set in a space enclosed by the partition board and the upper casing, and the heat pipe has a heat discharging end passing through and connecting the partition board and the heat dissipating body and a heat receiving end forming the bottom of the partition board.

Abstract: In an assembling structure for LED road lamp and heat dissipating module, the LED road lamp includes a partition board, an upper casing, a light transmitting lens and an LED lamp set. The upper casing and the light transmitting lens are set separately on upper and lower sides of the partition board. Each LED lamp set is contained in a space enclosed by the partition board and the light transmitting lens. The partition board has a plurality of through holes, and the LED lamp set includes a frame body and an LED module. The heat dissipating module includes a heat dissipating body, a heat pipe and an isothermal board. The heat dissipating body is set in a space enclosed by the partition board and the upper casing, and the heat pipe has a heat discharging end passing through and connecting the partition board and the heat dissipating body and a heat receiving end forming the bottom of the partition board.

Abstract: A headlamp assembly for a motor vehicle including a lens and a housing that cooperate to define an inner chamber that is generally isolated from the atmosphere. A heat sink includes a fin portion that extends from the inner chamber so as to be exposed to ambient air. A light source is located within the inner chamber and is supported on a base portion of the heat sink. The heat sink conducts heat from the light source to air located exterior of the chamber.

Abstract: An LED headlamp assembly for a vehicle. The headlamp assembly includes a plurality of LED units mounted to a common carrier, where the LED units include one or more LEDs and generate white light. The headlamp assembly further includes a headlamp housing that is mounted to the vehicle by a mounting frame. The carrier is sealed to the housing by a flexible bellows. An outer lens is mounted to the housing so that the LED units are positioned within a sealed compartment. A backside of the carrier outside of the sealed compartment includes fins or other heat sinking devices to remove heat generated by the LED units. The frame allows convective air to flow around the heat sink to remove heat from the LED units. A series of actuators and/or pivots are mounted to the frame and to the carrier so that the carrier can be moved on at least one axis to adjust the direction of the LED headlamp assembly.

Abstract: A thermal module system for LED headlamp module includes a LED module, heat produced by which is transmitted via a heat conductive element to a heat sink module and dissipated. The heat sink module is arranged in an air passage in a car, such as behind a front bumper, at an inner side of the front fender of said car, or in front of the radiator. Heat insulating material is provided around the LED module to prevent high temperature of an engine compartment from being transmitted to the LED module. The air passage has vents provided on the front bumper and the front fender of said car, so that the heat sink module has enhanced thermal performance due to natural or forced air convection. A fan or water sprayer may be provided near the heat sink module to improve the thermal performance. Therefore, the LED module may work at a lowered ambient air temperature to have a prolonged lifetime.

Abstract: The invention is a system that provides a means to using passing air to turn on an electronically powered device that is removably attached to an exterior portion of a vehicle as the vehicle travels betweens two locations. The invention is also embodied as a device that provides a means to turn on an incandescent light bulb that illuminates an ornament that is attached to an automobile window using passing air caused a moving automobile.

Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.

Abstract: A lighting device and system for illuminating the interior of a vehicle, aircraft or building is provided. The lighting device and system includes a channel case made from a thermally conductive material, including aluminum. The channel case has a bottom edge and two opposed side edges forming an interior space. A circuit board is disposed within the interior space of the channel case and the circuit board includes circuit traces on the top, bottom or both sides of the circuit board. A heat transfer device is attached to the bottom of the circuit board and is further attached to the bottom of the channel case. A plurality of light-emitting diodes and resistors are mounted on the circuit board in series and generate light through a lens which is attached to the two opposed side edges of the channel case.

Abstract: A system and method of cooling a bulb of a type that requires cooling in one part, but not in others. A deflector assembly is coupled through a reflector, to the bulb, to cool only one part.

Abstract: This casing (1) comprises a hollow body in which various housings are arranged suitable for receiving items of equipment of the motorcycle, in particular a front headlight insert (38) and/or a display (42) and/or turn signal lamps (44), first means (28) for attaching the hollow body (2) to a first location of the motorcycle front fork, and second means (30, 34, 36) for attaching the hollow body to a second location of the motorcycle front fork.

Abstract: With this projector, by forming in a lamp casing an aperture, for leading out a wire connected to an electrode terminal of a lamp, near that electrode terminal, and by fitting an insulating member which has an opening portion for leading out this wire, and a lid member which covers this opening portion, to this wire lead out aperture, even though the lamp casing is made from metal, still it is possible to ensure adequate clearances and creepage distances between the electrode terminal and the lamp casing. Furthermore it is possible to prevent light, or air which has been heated up, from leaking out from the wire lead out aperture.

Abstract: A headlamp assembly for a motor vehicle is disclosed as having a light source, a chamber within which the light source is located, and a cooling channel extending through the chamber. The chamber substantially fluidly sealed from the atmosphere and the cooling channel is fluidly sealed from the chamber to prevent direct fluid exchange between the chamber and the channel. Heat exchange, however, is permitted between the chamber and the cooling channel. The heat exchange may be further promoted by a plurality of heat exchange fins extending away from the wall of the cooling channel.

Abstract: The present invention is directed to a system for reducing condensation on the inner surface of a vehicle light cover, and preventing or deicing ice build up on the exterior of the cover. In an embodiment, a heater is mounted to a carrier and the heat produced by the heater prevents the occurrence of condensation on the inner surface of the light cover or build up of ice on the outer surface. In an embodiment, one or more vents may be provided in the carrier and one or more corresponding holes may be provided in the heater so as to increase the flow of air across the inner surface of the light cover. A controller may be provided to control activation of the heater.

Abstract: A lighting unit for a vehicle includes a light emitting diode unit, a plate-shaped radiating board having an upper surface to which the light emitting diode unit is directly fixed, and a feeding connector connected electrically to the light emitting diode unit at the end of the radiating board and having an input portion for a power to be supplied to the light emitting diode unit below the radiating board. The feeding connector is provided on the end of the radiating board and there may further be provided a wiring extended from the light emitting diode unit toward the end of the radiating board over the upper surface of the radiating board and connected to the feeding connector at the end.

Abstract: In a casing of a headlamp, a substrate portion to which a light-emitting diode as a light source is mounted, and a battery case accommodating a battery for providing necessary power to the light-emitting diode are provided. The substrate portion is spaced apart from a partition disposed on the front side of the battery case, with spacing provided therebetween. The partition is provided with a vent hole, having an upper vent hole and a lower vent hole, for establishing communication of the spacing between the substrate portion and the partition with the space within the battery case, for circulation of the air. Thus, a headlamp capable of suppressing adverse effects of the heat generated from the light-emitting diode or the like on the elements mounted on the substrate is provided.

Abstract: A projector including a light source lamp including a light source, a reflector, and a flange portion, a lamp case, and a cooling fan includes a heat radiating member for cooling the light source lamp, the heat radiating member includes a flange attaching portion, a fixing portion and a heat radiating fin portion, the heat radiating fin portion is formed by a shape memory alloy brought into close contact with an outer peripheral face of the light source lamp when temperature at a vicinity of the outer peripheral face becomes higher than predetermined temperature and separated from the outer peripheral face when the temperature at the vicinity of the outer peripheral face becomes lower than the predetermined temperature, and the heat radiating fin portion includes a fin portion and an opening portion.

Abstract: A vehicular light assembly including a dichroic lamp, a socket, a cradle and an optional support to mount the assembly to a vehicle. The dichroic lamp includes a reflector which reflects light emitted by the bulb forward but allows radiant heat to pass rearwardly through the reflector. The dichroic lamp also includes an electrode electrically coupled with a socket which defines at least one of a recess and an aperture, the socket including an electrical connector. The cradle defines a chamber, and the socket and dichroic lamp both are positioned in the chamber. The cradle includes a locating pin that registers with the at least one of a recess and an aperture to selectively locate the dichroic lamp within the cradle. A related installation method includes: joining the light assembly cradle with a vehicle, and aligning the lamp assembly so that it focuses light on a pathway of the vehicle.

Abstract: Lighting apparatus is provided comprising a light source (10), the light source being encapsulated in a protective medium (11) to seal the light source against ingress of moisture, the lighting apparatus having a heat sink (12, 13), the heat sink having a first region (12) in communication with light source (10) to receive heat from the light source (10) and a second region (13) which projects externally of the protective medium, such that the heat sink can dissipate heat to the ambient area. The invention provides light apparatus which is particularly suitable for use with caving lamps, although other uses are possible, for example in traffic lights or the lights of a motor vehicle, where the encapsulation would provide protection against rain.

Abstract: A lamp system having a housing, wall portions defining a cavity and an opening. A light source, generally an LED, is located within the cavity and at least one thermoelectric device is disposed in one of the wall portions. The thermoelectric device has a first side oriented towards the cavity and the second side oriented away from the cavity. When in operation, the thermoelectric device will transfer heat from inside the cavity, via the first side of the thermoelectric device, to the second side of the thermoelectric device.

Abstract: A vehicle lamp assembly comprised of: a heat sink with at least one flange extending beyond the lamp assembly; a circuit board functionally engaging the inner surface of the heat sink and having a power supply circuitry; at least one light emitting unit electrically connected to the heat sink; a potting compound substantially imbedding the circuit board and corresponding electrical connections; and a lens operatively attached to the heat sink. In one embodiment, the light emitting unit is an LED. In alternate embodiments, the lamp assembly can include fins and/or fans to further facilitate cooling of the assembly, and/or a reflective inner surface of the heat sink to increase the lamp assembly's luminous output.

Abstract: A vehicular lamp has a plurality of light source modules for emitting light. Each of the light source modules has a semiconductor light-emitting element, a lighting circuit operable to control an electric current flowing into the semiconductor light-emitting element to turn the semiconductor light-emitting element on and off, a power cable operable to supply electric power from a power source located outside the vehicular lamp to the lighting circuit, a control cable operable to transmit a control signal that controls turning the semiconductor light-emitting element on and off to the lighting circuit, and a mounting substrate that mounts the semiconductor light-emitting element and the lighting circuit. One of the light source modules is connected to the power source by means of said power cable. The light source modules other than the one light source module are connected to the one light source module in parallel via the power cable.

Abstract: A lighting assembly and its method of manufacture. The lighting assembly has a heat sink. A plurality of surfaces are disposed on the front of the heat sink. At least one first surface is oriented in a first plane and at least one second surface is oriented in a second plane. A first plurality of light sources are mounted to at least one first surface. A second plurality of light sources are mounted to at least one second surface. As a consequence, light can be directed in two distinct directions to create a discernable high beam condition and low beam condition. A space is defined in front of the light sources. At least one heat exchange element is provided that protrudes forward from a heat sink into the space thereby helping to vaporize any condensation that may form within that space.

Abstract: In one aspect, the invention is a lighting assembly comprising a housing defining an internal space within the housing, and an ambient space surrounding the housing, a light source within the internal space; a high capacity desiccant within the internal space, the high capacity desiccant being nonregenerating at temperatures of up to about 50 degrees Celsius and about 11.0% relative humidity; and a diffusion tube having a first opening proximate to the internal space and a second opening proximate to the ambient space, the diffusion tube providing gaseous communication between the internal space and the ambient space.