Abstract: A vehicle lamp having a housing and an illumination unit arranged within the housing is provided. The illumination unit comprises at least one light-emitting diode as light source. The at least one light-emitting diode is thermally coupled to a cooling element. The cooling element has a surface region arranged within the housing. On the surface region a decorative element is arranged.

Abstract: There is disclosed a LED light (10) including a lower housing (14), an upper housing (15), and a thermally insulative base gasket (16). The upper housing has a top wall (31) with a central mounting area (35) and a peripheral margin. The wall thickness of the central mounting area is thicker than that of the peripheral margin (38). The upper housing also includes a plurality of heat dissipating ribs (41) extending between the mounting area and the sidewalls. The ribs increase in height as they extend outwardly toward the sidewalls. The lighting portion includes a LED light array (37), a lens (48), and a lens gasket (49). With the LED array mounted to the central mounting area, heat generated by the LED array is conveyed to the central mounting area and then conveyed through the upper housing top wall and ribs to the sidewalls.

Abstract: A vehicle lighting unit can not only promote the dissipation of heat from a semiconductor light emitting device and a drive circuit for the device, both of which are the heat generation members, but also improve its maintenance workability. The vehicle lighting unit can include a light source module having a module main body. The module main body can include first and second semiconductor light emitting devices, drive circuits configured to drive and control the first and second semiconductor light emitting devices, and a heat dissipation fin for dissipating heat generated by the semiconductor light emitting devices and the drive circuits. Both the semiconductor light emitting devices and the drive circuit are directly attached to the module main body.

Abstract: A thermal dissipator includes an elongated laminar thermal transfer member having opposite sides, opposite ends and a longitudinal axis extending between those ends. The member has a thermal conductivity along its axis and in a first plane extending between its sides that is substantially greater than the thermal conductivity of the member in a second plane transverse to the first plane. A transverse heat sink structure contacts at least one side of the thermal transfer member along the length thereof, and extends from the thermal transfer member in a direction parallel to the first plane. A compression device compresses the thermal transfer member and the heat sink structure together to establish intimate thermal contact therebetween. Solid state lighting apparatus incorporating the dissipator is also disclosed.

Abstract: Solid state lamp or bulb structures are disclosed that can provide an essentially omnidirectional emission pattern from directional emitting light sources, such as forward emitting light sources. The present invention is also directed to lamp structures using active elements to assist in thermal management of the lamp structures and in some embodiments to reduce the convective thermal resistance around certain of the lamp elements to increase the natural heat convection away from the lamp. Some embodiments include integral fans or other active elements such as diaphragm-pump type active cooling elements, that move air over the surfaces of a heat sink, while other embodiments comprise internal fans or other active elements that can draw air internal to the lamp. The movement of the air over these surfaces can agitate otherwise stagnant air to decrease the convective thermal resistance and increasing the ability of the lamp to dissipate heat generated during operation.

Abstract: A semiconductor light-emitting module includes a housing, at least one cooling body accommodated in the housing wherein the cooling body is thermally connected to at least one semiconductor light source, an active cooling device accommodated in the housing, and at least one electronics unit accommodated in the housing, at least for actuating the at least one semiconductor light source, wherein the housing has a leadthrough opening, and the at least one semiconductor light source is arranged in the region of the leadthrough opening.

Abstract: An indirect troffer-style lighting fixture that is particularly well-suited for use with solid state light sources. An elongated heat sink with a mount surface for light sources runs longitudinally along the fixture. To facilitate heat dissipation, a portion of the heat sink is exposed to the ambient room environment. An elongated specular reflector also runs along the device proximate to the heat sink. The heat sink and the specular reflector are mounted such that a spatial relationship is maintained. Some of the light from the sources impinges directly on the specular reflector and is redirected towards a back surface. The back surface defines a luminous surface that receives light directly from the sources and redirected light from the specular reflector. The back surface and the heat sink mechanically obscure any images of the light sources in the specular reflector such that they are not visible in a viewing area.

Abstract: In a lamp device 12 using a GX53-type cap 31 and also using an LED 56 as a light source, there is regulated an appropriate configuration of a metallic cover 32. A cap 31 and a lighting device 36 are arranged on an upper surface side of the metallic cover 32, and a substrate 33 on which the LED 56 is mounted is arranged on a lower surface side thereof. The metallic cover 32 has an approximately cylindrical shape with a maximum outer diameter D of 80 to 150 mm, a height H of 5 to 25 mm, and 2? (D/2) H/W, that is, an area of the outer peripheral surface per gross input power W to the lamp device 12 being in a range of 200 to 800 mm2/W. The gross input power W is 5 to 20 W.

Abstract: The invention relates to a thermal-expansion compensator for holding a light module in a housing of a headlamp for a motor vehicle, comprising a compensation pin extending along a pin axis with a stop element, wherein the compensation pin can be connected to the housing by means of a connecting means, a compensation element with a compensation body extending along a compensation axis and at least two stop receptacles that are each formed for holding the stop element of the compensation pin, and a holder that is arranged rigidly on the light module.

Abstract: An LED light source module is disclosed, which can replace a halogen bulb. The LED light source module includes an LED light source, a heat sink, an electric fan unit, a driver circuit, and an attachment, and all of these constituent elements are integrated. A structure of the attachment is the same as that of an attachment of a halogen bulb generally used as a light source of a lighting apparatus for a vehicle, The LED light source module can replace a halogen bulb. When the LED light source module needs replacement, unlike the conventional LED head light where the whole lamp main body is replaced, only the LED light source module can be replaced.

Abstract: Embodiments of the present invention generally relate to an LED lamp having a heat dissipating means as well as a headlamp (to be mounted e.g. to the front of a vehicle such as e.g. a car or a truck) comprising said LED lamp. Embodiments of the present invention also generally relate to a method for dissipating heat from an LED lamp.

Abstract: Provided is an illuminating device that is capable of improving use efficiency of cooling fluid used for cooling LEDs. An illuminating device (4) includes LEDs (13), a chassis (14) including a holding surface (14b) on which the LEDs are arranged in a matrix, cooling members (20) that are disposed on the chassis at positions associated with positions of the LEDs, each of the members including a channel (20a) inside, through which cooling fluid runs and a valve (21) opening and closing the channel, a radiator (22) performing heat exchange between the fluid and air, a pump (24) connected to the members and the radiator by pipes (25, 26) and circulating the fluid, an LED control unit (43) controlling driving of the LEDs, and cooling-member control units (44) controlling driving of the valves of the members associated with the LEDs based on the driving of the LEDs.

Abstract: A heat pipe configured to transfer heat from a central portion of a lighting device to an edge portion of the lighting device, the heat pipe comprising one region which extends along a portion of a diameter of a substantially circular, substantially annular shape and another region that extends along a diameter of the shape. Also, a lighting device comprising a housing, a reflector, a light emitter and a heat pipe as described above. Also, a self ballasted lamp comprising a solid state light source, an electrical connector, an AC power supply, a reflector configured to receive light from the source and emit reflected light from an aperture, and a thermal management system. Also, a lighting device, comprising a housing, a reflector, a light emitter comprising an array of solid state light emitters, a heat pipe and a sensor.

Abstract: A vehicular lamp includes: a light source that emits light; a lamp body, inside of which the light source is arranged; a circuit board that has a conductive pattern that functions as an electrically-conducting path of drive current to be supplied to the light source, and on one end portion of which an electrode portion connected to the conductive pattern is formed; a socket connected to the lamp body; and a contact member that is arranged in the socket and has an elastically deformable connecting terminal portion connected to the electrode portion of the circuit board, and a plug connecting portion, to which a power supply plug is connected, wherein the circuit board is pressed by restoring force of the connecting terminal portion, elastically deformed, so as to be held by the contact member.

Abstract: A lighting device comprising a light source and at a heat dissipation element comprising at least first and second substantially transparent regions and at least a first fluid, at least a portion of the first fluid being positioned in a space between the transparent regions. Also, a lighting device comprising a light source, an enclosed space through which light passes and a fluid in the space. Also, a lighting device comprising a light source and heat conducting means for dissipating heat. Also, a lighting device comprising a light source and a heat dissipation element comprising first and second substantially transparent regions coupled with a space and a fluid in the space. Also, a lighting device comprising a light source and a heat dissipation element comprising a heat pipe that comprises a substantially transparent region.

Abstract: An electric light bulb type light source apparatus includes a light source unit, a power source substrate, a drive substrate, a base, and a casing. On the power source substrate, a power source circuit is mounted, and the power source substrate has one of a through hole and a cutout. On the drive substrate, a drive circuit of at least the light source unit is mounted, and the drive substrate includes a part disposed in the one of the through hole and the cutout of the power source substrate. The base is used to supply power to the power source substrate. The casing is configured to contain the light source unit, the power source substrate, and the drive substrate, and the casing has a translucent cover.

Abstract: A vehicle headlamp assembly, comprising a lens, a lamp housing cooperating with the lens to at least partially define a lamp chamber that is generally fluidly isolated from an ambient atmosphere outside the lamp chamber, and at least one lamp provided in the lamp chamber. The lamp housing includes at least one structural member adapted to connect to and bear structural loads applied by one or more adjacent components of a vehicle in which the vehicle headlamp assembly is installed. The assembly may further comprise at least one vehicle component connected to the lamp housing, whereby the lamp housing is capable of bearing structural loads applied by the at least one component.

Abstract: A vehicle lamp assembly includes a housing having an inner reflective surface with predetermined optics and an outer surface. The inner and outer surfaces extend between proximal and distal ends. A lens is attached to the distal end of the housing. The lens and the inner reflective surface bound an enclosed chamber of the assembly. The assembly further includes a heat sink subassembly. The subassembly includes a heat sink and an electronic module. The electronic module has PCB electronics and at least one LED coupled in electrical communication with one another. The subassembly is mounted to the proximal end of the housing externally from the enclosed chamber.

Abstract: A lamp apparatus (14) includes a heat sink (28), a heat conductive post (26) having a plurality of faces (36), one or more light engines (30) coupled to each of a plurality of faces (36), a connector (32) to provide power to the light engine (30) when electrically coupled to a lamp socket, and a grommet (34). The grommet (34) is secured to and extends around a perimeter of the heat conductive post (26) and includes a radial groove (48) receiving a rim (21) of an opening (20) of a reflector (12) such that a first and a second portion (50, 51) of the grommet (34) extend beyond the rim (21) and over a portion of an interior and an exterior surface (23, 25) of the reflector (12) to secure the lamp apparatus (14) to the opening (20) of the reflector (12).

Abstract: In one general aspect, the invention features an illumination source that includes a power supply having alternating current input lines and positive and negative direct current output lines. A string of light emitting diodes is connected in series between the positive and negative direct current output lines in a forward-biased series. A direct current cooling fan has a first input line and a second input line operatively connected across at least one of the light emitting diodes and has a cooling air delivery direction positioned to cool a surface in thermal contact with a heat generating portion of at least one of the power supply and the string of light emitting diodes.

Abstract: A moisture generation preventing apparatus of a vehicle head lamp, may include a phase change material (PCM) unit mounted in a housing of the vehicle head lamp having a lens mounted at a front end portion of the housing to prevent moisture from being generated in the lens when an internal temperature of the head lamp drops below a predetermined degree, wherein the PCM unit sprays gaseous phase change material (PCM) to an inner portion of the head lamp.

Abstract: The ventilation member of the present invention includes a waterproof gas permeable membrane (11), and a support body (12) having a through hole (13). One opening of the through hole (13) is closed by the gas permeable membrane (11). The support body (12) includes, at an edge of the opening closed by the gas permeable membrane (11), a first region and a second region facing each other with the opening located therebetween. A first angled protrusion (12a) in which a peak and a trough are arranged alternately along the edge of the opening is provided in the first region, and a second angled protrusion (12b) in which a peak and a trough are arranged alternately along the edge of the opening is provided in the second region.

Abstract: A vehicular lamp includes a light source, a cooling fan configured to cool the light source, a light source power supply module configured to drive the light source for emission of light, and a control module configured to execute an abnormal rotation detection of the cooling fan and to control the light source power supply module so that the quantity of light emitted from the light source is reduced in response to a detection of abnormal rotation.

Abstract: There is provided a lighting device which is to be mounted on a vehicle. The lighting device includes: a housing forming a lamp chamber, the housing including a wall having an opening therethrough; a light source which is disposed in the lamp chamber; a heat sink, wherein the light source is fixed to the heat sink; a fixation portion, wherein the heat sink is fixed to the housing via the fixation portion. A first portion of the heat sink faces an inner surface of the wall. A second portion of the heat sink is exposed to an outside of the wall through the opening. The fixation portion is provided on the outside of the wall to face the opening.

Abstract: A headlight (10) for a motor vehicle having a housing (14), a semiconductor light source (46), a cooling body (48), an optical system (50) which collects and directs light of the semiconductor source, a securing frame (20) which is mechanically connected to the housing (14) and which holds the semiconductor light source (46) with the cooling body (48) and the optical system (50) in the housing (14), and having an interface between the first part (16) which forms a complex light source (46) and comprises at least the semiconductor light source and the cooling body (48), and a second part (18) which comprises at least the holder (20), wherein the first part (16) is connected to the second part (18) at the interface so that it can be separated without destruction. The first part (16) comprises, in addition to the semiconductor light source (46) and the cooling body (48), at least one optical system (50) which collects and directs a light of the semiconductor light source.

Abstract: In a LED warning light, straight light units are fixed to straight peripheries of a warning light body, and curved light units are fixed to joints adjacent to two respective straight peripheries. Each straight light unit includes a light base, a reflective plate, a heat dispersion cover and a front cover. LED lights are arranged on the light base. The front cover is perpendicular to the light base opposite to the reflective plate. The reflective plate has light reflective elements connected to each other in a straight line. Light rays emitted from the LEDs are reflected by the reflective plate and then given off perpendicularly to the front cover. The vertical distance from an upper periphery of the arc top of the light reflective element to the corresponding inner surface of the heat dispersion cover is more than or equal to zero.

Abstract: A lighting system is described. The lighting system includes a lamp and a first container including a first phase change material thermally connected to the lamp. Heat generated by the lamp during operation is conducted to the first phase change material. The system also includes a second container including a second phase change material thermally connected to the lamp. Heat generated by the lamp during operation is also conducted to the second phase change material, and the second phase change material has a transition point temperature lower than the transition point temperature of the first phase change material of the first container to account for a temperature drop between the second container and the first container. The lighting system also includes a temperature sensor for reducing lamp power if the lamp becomes too hot, and a mounting bracket which may also conduct heat away from the lamp.

Abstract: A two-faced rotatable housing and mounting platform is disclosed. The faces can include any combination of light-emitting diodes (LEDs), high-intensity discharge (HID) lamps, halogen lights, incandescent lights, or imaging devices, such as cameras. The depicted device can include a vertical tilt, which can be adjusted either manually or electronically. A slip ring system provides continuous 360 rotation ability. Speed of the continuous rotation can be controlled and adjusted. The unit contains an optional home position, allowing a user to select a point in the horizontal rotation to which the unit will return at the touch of a button.

Abstract: A light-emitting device for a motor vehicle headlamp, the light-emitting device comprising a light source and a housing defining an enclosure for the light source, the light source being in thermal contact with the housing, the housing being designed to allow thermal dissipation of the heat released by the light source, the device being noteworthy in that the housing comprises a hollow rib.

Abstract: A lamp apparatus includes an apparatus body including a housing having a cap at one end side, and thermal conducting fins provided on an inner surface of the housing so as to extend from the one end side along the other end side thereof and project inward of the housing, a thermal radiation plate attached to the other end side of the housing in a state in which one surface side is in contact with the thermal conducting fins, a light-emitting body attached to the other surface side of the thermal radiation plate, and a lighting circuit disposed in the housing and configured to light the light-emitting body.

Abstract: A backlight unit includes a flexible printed circuit board having a least one through hole perforated therein, and an LED package disposed on a top portion of the flexible printed circuit board corresponding to the through hole. The LED package is directly bonded onto a bottom plate by a heat conductive adhesive.

Abstract: A novel vehicular light fixture (10) is disclosed. The light fixture (10) is compact, yet efficient, and employs semiconductor light sources (44) to produce output light in desired patterns. The fixture (10) can be used to produce fog lamps, driving lamps and other non-headlamp vehicle lighting functions. Depending upon the light output required, one or more semiconductor light sources (44) and a corresponding number of optical bodies (64) are employed in the fixture (10) to produce the desired light pattern.

Abstract: An integrally formed multi-layer light-emitting device is provided, which includes a seat, a plurality of light-emitting elements, and two lead frames. The seat is integrally formed in such a manner that the light-emitting elements can fit in the chamber which is formed on the top portion of the central main body. The seat is made of metal, and thereby the seat can effectively absorb heat from the light-emitting elements, and rapidly transmit it to the surrounding environment. Therefore, the packing module is not needed to be used in the present invention so that the consumption of the package material is reduced, and the manufacturing process is simplified.

Abstract: A bumper adapted for mounting to a trailer is provided. The bumper comprises a tail skirt extending horizontally across the rear of the trailer. Upright bars mount to and intersect the tail skirt. The tail skirt comprises a groove for receiving a recessed light bar comprising multiple signal lights. The wiring harness extends from the light bar into a space behind the upright bars and passes through openings in the tail skirt behind the upright bars.

Abstract: A method, apparatus, and computer program product for displaying information about runways. A runway for an aircraft is identified when the aircraft is within a selected distance of the runway. A number of graphical indicators are displayed on a display in a flight deck. The number of graphical indicators corresponds to a number of features of the runway present in a field of view for an eye reference point in the flight deck.

Abstract: An electronic unit includes an electronic body on which a heat generating component is mounted; a resin casing in which the electronic body is housed; and a heat diffusion sheet interposed between the casing and a region of the electronic body where the heat generating component is mounted.

Abstract: A motor vehicle lighting and/or signalling device comprising a housing comprising a rear opening in which a light source can be fitted to the housing and a ventilation hole opening into the rear opening of the housing.

Abstract: This invention relates to the thermal management, extraction of light, and cost effectiveness of Light Emitting Diode, or LED, electrical circuits. An integrated circuit LED submount is described, for the packaging of high power LEDs. The LED submount provides high thermal conductivity while preserving electrical insulation. In particular, a process is described for anodizing a high thermal conductivity aluminum alloy sheet to form a porous aluminum oxide layer and a non-porous aluminum oxide layer. This anodized aluminum alloy sheet acts as a superior electrical insulator, and also provides surface morphology and mechanical properties that are useful for the fabrication of high-density and high-power multilevel electrical circuits.

Abstract: A cooling unit is provided which cools effectively a plurality of heat sources which are accommodated within small-sized electronic equipment such as a projector. There is provided a cooling unit in which a plurality of base plates 81a, 130a are disposed adjacent closely to each other, each of the base plates 81a, 130a has flat plate-shaped radiating fin 81b, 130b which is erected on rear sides thereof, each of the radiating fin 81b, 130b erected on the base plates 81a, 130a has extending portions 81d, 130d which extends over the rear sides of the base plates 81a, 130a which are adjacent to each other, and one or a plurality of heat sources are heat connected to front sides of the base plates 81a, 130a.

Abstract: A vehicle headlamp assembly including a housing case and a lens cover forming a light chamber, a projection lens, a shade and a light source are arranged within the light chamber in that order along an optical axis of the headlamp assembly. A radiating member includes plate-shaped radiating fins vertically placed in the light chamber, for radiating heat energy generated by the light source to surrounding air. A plate is arranged at a right angle to the radiating fins in the light chamber, for controlling air-convection flow around the radiating fins.

Abstract: A cooling and heat dissipation system for an automotive lamp applicable to an engine system. Cool air outside the car body enters the car body through actuation of an engine apparatus, and the cool air is introduced into the lamp base heat dissipating space of the automotive lamp base through the air filter housing, so as to conduct heat energy generated by the illuminant into the engine within the car body.

Abstract: A luminous module for a luminous chain may include at least one light source; and at least one electrical connection configured to supply the at least one light source, wherein the luminous module includes a heat sink.

Abstract: The lighting system for use with thermally-insulated receptacles comprises a replaceable lid, a light source, and a power source. The lighting system further comprises an additional layer of material covering the light source and power source to limit exposure to moisture and to limit contact with the items stored within the thermally-insulated receptacle. The lighting system for use with thermally-insulated receptacles is configured to be used as safety equipment to signal others when the user is in distress. The lighting system for use with thermally-insulated receptacles is configured to be used with stand-alone, thermally-insulated receptacles or with thermally-insulated receptacles integrally formed in or on land vehicle or water craft.

Abstract: A moisture generation preventing apparatus of a vehicle head lamp, may include a phase change material (PCM) unit mounted in a housing of the vehicle head lamp having a lens mounted at a front end portion of the housing to prevent moisture from being generated in the lens when an internal temperature of the head lamp drops below a predetermined degree, wherein the PCM unit sprays gaseous phase change material (PCM) to an inner portion of the head lamp.

Abstract: A system and method for cooling an electronic image assembly having a plurality of cooling gas pathways place behind the electronic image assembly. A first fan may be used to force cooling gas through a first grouping of cooling gas pathways while a second fan may be used to force cooling gas through a second grouping of cooling gas pathways. Temperature sensing devices may be positioned so as to measure the temperature of the first and second groupings of cooling gas pathways. The speeds of the first and second fans may be adjusted based on the temperature measurements of the cooling gas pathway groupings. Additional fans with additional temperature sensing devices may be used for further accuracy and control over the temperature gradients of the electronic image assembly. Manifolds may be used to distribute/collect cooling gas to/from the cooling gas pathways.

Abstract: A vehicle headlamp includes: a lamp outer casing; a lamp unit; a stationary frame; a movable frame that is supported by the stationary frame to be rotatable about a first rotating shaft extending in a lateral direction or a second rotating shaft extending in a vertical direction; a lens unit disposed in the lamp outer casing and supported by the movable frame; a first aiming operation shaft that adjusts an optical axis, and a second aiming operation shaft that adjusts the optical axis. A focal point of the light reflected by a reflector is coincident with a center of the first or second rotating shaft. The lens unit is rotated about the first or second rotating shaft such that a distance between the focal point and the projection lens is constant. The heat sink is positioned on the outside of the lamp outer casing.

Abstract: A vehicle lighting device is provided which is capable of merely changing a shade, thereby using a first reflector and a second reflector as they are, to cope with a variety of light distribution pattern specifications, and which is capable of avoiding deformation of a shade due to a thermal effect even if incidence of sunlight going back has optically focused on the shade. In a heat sink member 40, there are arranged: a semiconductor-type light source 10; a first reflector 21 covering the semiconductor-type light source 10 therewith; a second reflector 22 for causing the reflected light from the first reflector 21 so as to be made incident thereto and then reflecting the incident light forward of the lighting device; and a shade 30 for shading a part of the reflected light from the first reflector 21 so as to be made incident to the second reflector 22. The shade 30 is configured as another member independent of the first and second reflectors 21, 22, and is arranged in the heat sink 40.

Abstract: A backlight assembly includes a light guiding plate, a light source and a bottom receiving plate. The light source is disposed at a first side of the light guiding plate. The bottom receiving plate includes a bottom surface and a side wall to form a receiving space in which at least a portion of the light guiding plate is placed. The bottom surface is smaller than a lower surface of the light guiding plate and has a plurality of openings formed through the bottom surface. The side wall extends from the bottom surface.

Abstract: The present invention provides an LED (Light Emitting Diode) illumination unit, an LED illumination device, and an LED illumination system with better visual effect. The LED illumination unit includes: a substrate, having a carrying surface with an x direction as a length direction and a y direction as a width direction and facing a z direction; a plurality of LED chips, supported by the carrying surface of the substrate; a casing, allowing the light emitted from the LED chips to penetrate and covering the LED chips; and a heat dissipation component, having a pair of outside surfaces being planar, and mounted with the substrate and the casing, wherein the pair of outside surfaces is configured opposite and parallel to each other in the y direction at an interval, and is longer than the substrate in the x direction.

Abstract: A light module for a vehicle lighting device comprises a semiconductor light source mounted on a carrier element designed. on/including a first printed-circuit board. A control module is electrically connected to and structurally spaced from the light source and designed on/includes a second printed-circuit board and includes an electric circuit constructed upon the second board and a connection element adapted w be connected to a higher-level controller and/or vehicle power supply. The control module is an electronic component of the light source such that a cable does not connect the control module and light source to each other. A highly thermally conductive carrier module is arranged between the light source and control module and directly attached to the carrier element, second printed-circuit board, and electric circuit. An electrical connection is located on the carrier module between the fight source or carrier element and electric circuit or second printed-circuit board.