Abstract: Disclosed herein is a pool light assembly having structure for providing cooling to pools having illumination elements. The light assembly includes a sub-assembly having one or more light elements, preferably high output LED elements. Additionally, the light assembly has a water channel. The LED sub-assembly is located proximate the water channel. In the several embodiments shown, the structure of a typical light assembly has been modified such that the distance between the LED sub-assembly and the water channel is minimized.

Abstract: Lighting fixtures having an enhanced heat sink performance are provided. A heat sink member is a unitary ring member. An outside surface of the heat sink member is disposed exterior of the lighting fixture and includes a plurality of outwardly extending fins. An inside surface of the heat sink member is disposed inside of the lighting fixture and includes a plurality of surfaces configured for mating engagement with a respective light source board. The heat sink member joins upper and lower globe portions of the lighting fixture. A reflector or a light pipe optionally is provided interior of the light fixture, providing illumination directional control. A polygon shaped lighting fixture provides a LED light output to cross in a plane proximate to a light center of the fixture.

Abstract: A lamp includes an outer shell having heat conductivity, a base provided in the outer shell, and a cover provided in the outer shell. The outer shell has a light source support, and a heat radiating surface exposed to the outside of the outer shell. The light source support is formed integral with the heat radiating surface. A light source is supported on the light source support. The light source is heated during lighting, and thermally connected to the light source support. The light source is covered with the cover.

Abstract: A display panel includes an airtight casing and a thermally conductive member. A thermal conductivity of the thermally conductive member in a longitudinal direction of spacers is higher than a thermal conductivity of the thermally conductive member in a direction in which the spacers are provided side by side, and the thermal conductivity of the thermally conductive member in the direction in which the spacers are provided side by side is higher than a thermal conductivity of the thermally conductive member in a thickness direction.

Abstract: The invention provides systems and methods for providing illumination. A lighting unit may have a support structure, and one or more light emitting elements supported by a circuit board contacting the support structure. A first optical element and a second optical element may be provided. A remote luminescent material may be provided on one or more optical elements. Light emitting elements configured to excite the luminescent material such as highly efficient light emitting diodes may be directed towards the luminescent material. The support structure may be a heat dissipating element, which may conduct heat from a heat source to a surface of the support structure. The heat dissipating element may have a passageway permitting the formation of a convection path to dissipate heat from the support structure. Such lighting units may be used to replace conventional fluorescent light tubes or other lighting devices, or may be provided as standalone lighting units.

Abstract: A heat sink for an LED downlight utilizes tilted fins forming helical air passages that can enhance thermal performance by 30% over conventional fins. To overcome the thermal challenge of installation within the stagnant hot air of insulated ceiling cans, a heat sink has an integral electrostatic air pump on its exterior, to move hot air downwards and drain the stagnant air from the can by establishing a chimney-like circulation up through the heat sink and back down around the outside of the heat sink. The air mover can be powered by a compact high-voltage, low-current power supply similar to those of neon signs. An embodiment of the heat sink is also revealed that is suitable for cooling an LED replacement for standard screw-in or equivalent light bulbs. This device can perform well in variety of orientations (horizontal, vertical, etc.) and fixtures.

Abstract: A lamp device includes: a housing formed with heat-dissipating holes; a conductive connecting head mounted on a first side of the housing; a heat-conducting member mounted on a second side of the housing opposite to the first side, and having opposite first and second side surfaces; a lighting unit thermally contacting and mounted on the first side surface of the heat-conducting member, and covered by a transparent body; and a heat-dissipating layer made of an infrared radiating material. The heat-dissipating layer is disposed on and is in thermal contact with the second side surface of the heat-conducting member. Heat generated by the lighting unit is transmitted by the first heat-conducting member to the heat-dissipating layer, and is dissipated by the heat-dissipating layer through the heat-dissipating holes in the housing.

Abstract: In a lighting apparatus, comprising a heatsink having at one side thereof a recess with at least one groove extending over the length of the heatsink, a plurality of lighting units are arranged in the groove or grooves oriented toward the opening of the recess for the emission of light therefrom and the frame is provided at the side opposite the opening with heatsink ribs, the lighting units in the groove or grooves being encapsulated by an encapsulating material added into the groove or grooves and being cured therein so as to be in direct contact with the groove walls and enclosing the lighting units at least up to the light emitting lenses thereof.

Abstract: A lighting apparatus includes a housing, a light emitter located in an interior region of the housing, a driver for the emitter, and a heat sink coupled to the driver. The heat sink includes a plurality of fins for cooling the driver. The apparatus further includes a driver mounting portion having a mounting surface and a side wall. The side wall is coupled to one of the heat sink and the driver so that the plurality of fins of the heat sink are exposed. The mounting surface of the driver mounting portion is coupled to the housing.

Abstract: A projection display apparatus includes an axial fan and a louver. The axial fan includes blades which are rotated to generate an airflow in an axial direction so that air is exhausted from a housing. The louver includes inclined plate portions which are inclined with respect to the axial direction, the inclined plate portions being arranged in a direction perpendicular to the axial direction at an airflow exit side of the axial fan, the louver being divided into a first area and a second area by a straight line which passes through an axial center of the blades, the inclined plate portions being inclined in different directions between the first area and the second area such that the inclined plate portions are inclined along the direction in which the blades are rotated.

Abstract: A lamp having a lighting source, integral electronics, and a thermal distribution mechanism disposed in a housing. The thermal distribution mechanism may include a variety of insulative, radiative, conductive, and convective heat distribution techniques. For example, the lamp may include a thermal shield between the lighting source and the integral electronics. The lamp also may have a forced convection mechanism, such as an air-moving device, disposed adjacent the integral electronics. A heat pipe, a heat sink, or another conductive heat transfer member also may be disposed in thermal communication with one or more of the integral electronics. For example, the integral electronics may be mounted to a thermally conductive board. The housing itself also may be thermally conductive to conductively spread the heat and convect/radiate the heat away from the lamp.

Abstract: A heat sink is provided. The heat sink may include an open cavity formed by a cavity wall, a cavity bottom wall thereof including a light source region adapted to have a light source mounted thereon and a lateral cavity wall thereof including a reflection region adapted to reflect light emitted from the light source; a heat spreading and dissipation structure covering at least part of an exterior of the heat sink including a bottom region and a lateral region, the heat spreading and dissipation structure including a plurality of vertically aligned fins; an air guidance structure adapted to separate the heat sink from an air flow generator; and at least one mounting column for attaching the heat sink to a lighting device.

Abstract: A method for integrating at least one very high output (VHO) fluorescent lamp and at least one ballast within at least one fluorescent lamp fixture sealed from the growing environment is disclosed. The at least one ballast is secured within an upper fixture structure between a first cooling duct and a second cooling duct. At least one mid-plate reflector is mounted within the at least one upper fixture structure enclosing the at least one ballast thereby defining an upper chamber and a lower chamber. The at least one fluorescent lamp is installed in the lower chamber that is sealed from the growing environment by a transparent glass sheet, mounted to either or both the endplates or upper fixture structure. At least one fan is installed to the first cooling duct or the second cooling duct to provide the forced air cooling.

Abstract: A lamp source module includes a holder having an air inlet and an air outlet, a gas discharge lamp having a lamp reflector assembled onto the holder and a burner disposed in the lamp reflector, a light cover assembled on the holder and surrounding the lamp reflector, a blower duct communicating with the air inlet and extending along the exterior of the lamp reflector to the bottom of the lamp reflector, and an airflow generator communicating with the blower duct and capable of providing a cooling airflow. The air inlet is capable of causing the cooling airflow to enter the blower duct. The blower duct is capable of directing the cooling airflow to the bottom of the lamp reflector to make the cooling airflow pass through a sandwiched space surrounded by the lamp reflector and the light cover and then discharge from the air outlet.

Abstract: A projector includes: spatial light modulation devices; and a cooling duct configured to flow a cooling air for sequentially cooling the spatial light modulation devices, the cooling duct has a first flow path formed by portions including the light entrance surface of at least one of the spatial light modulation devices for the respective color lights, a second flow path formed by portions including the light exit surface of the corresponding spatial light modulation device, and a junction area where the cooling air flowing through the first flow path and the cooling air flowing through the second flow path join each other, and the junction area is disposed at a downstream position of the cooling air with respect to the spatial light modulation device provided for a predetermined color light whose light amount is the maximum in the respective color lights that enter the light entrance surface.

Abstract: A light emitting diode (LED) light bulb includes a light shade, a heat conduction base, a plurality of heat sink fins, a heat conduction member and a plurality of LED light emitting elements. The heat conduction base has a circumferential portion connected with the plurality of heat sink fins and a central hole to accommodate the heat conduction member. The heat conduction member has an exposed end formed with a plurality of inclined planes and a top plane by stamping. Each of the inclined planes and the top plane are coupled with at least one of the LED light emitting elements, respectively. With the inclined planes and the top plane, the LED light emitting elements project light in different directions. The heat from the LED light emitting elements is transmitted to the plurality of heat sink fins through the heat conduction member to dissipate the heat quickly.

Abstract: An aircraft lamp includes a housing capable of being attached to a body of an aircraft; a discharge lamp; a reflector which reflects visible light from the discharge lamp; a light transmissive cover which transmits reflected light from the reflector to a front side of the housing; a lamp socket connected electrically to the discharge lamp and an igniter which activates the discharge lamp; and a high-voltage electrical power line that electrically connects the lamp socket with the igniter. The discharge lamp, the reflector, the light transmissive cover, the lamp socket, and the igniter are provided within the housing. A heat insulating air layer is provided between the lamp socket and the igniter. The high-voltage electrical power line is provided so as to pass through the heat insulating air layer.

Abstract: A projector includes: an image projection unit which modulates light emitted from a light source and projects the modulated light; a cooling fan which cools the image projection unit; a light source control unit which controls lighting of the light source; a cooling control unit which controls operation of the cooling fan; an input operation unit which receives input operation; and a control unit which allows the light source control unit to decrease the luminance of the light source or allows the cooling control unit to increase the rotational speed of the cooling fan during the period from the time when the input operation unit receives the first ending operation to the time when the input operation unit receives the second ending operation.

Abstract: A lamp assembly is provided. The lamp assembly has a housing that functions as a heat sink for the dissipation of heat therefrom. A circuit board assembly is carried by the housing and has a drive circuit that has a current regulator. A plurality of light emitting diodes are also present and are configured to be driven by a current source regulated by the current regulator so as to decrease the amount of heat generated through driving the plurality of light emitting diodes such that the housing is optimally sized to still function effectively as a heat sink.

Abstract: The invention relates to a lighting device for a motor vehicle. Said lighting device comprises a light source (1; 96) for emitting electromagnetic radiation, in particular light which is visible to the human eye, and a reflector (70; 81; 90) for focusing the emitted light. The light source (1; 96) is fastened on the reflector (70; 81; 90) at least indirectly in a defined position relative to a reflective surface of said reflector. In order firstly to make heat transfer from the reflector (70; 81; 90) to the light source (1; 96) more difficult and secondly to enable EMC shielding by virtue of an electrical contact between the light source (1; 96) and the reflector (70; 81; 90), the invention proposes that a material (72) with poor thermal conductivity is arranged between the reflector (70; 81; 90) and the light source (1; 96) for thermally insulating the light source (1; 96) from the reflector (70; 81; 90).

Abstract: A heat dissipating device for lightings includes a light source module, a heat sink, and a converter. The heat sink has a substrate and a plurality of heat dissipating fins extending outward from the substrate. A plurality of channels is formed between the heat dissipating fins. Insides of the channels respectively have a port open to the center of the heat sink. Thereby, the channels of the heat sink can effectively direct the airflow into the center of the heat sink, enhancing the heat dissipating effect of the heat sink.

Abstract: A LED light device includes a light-emitting diode assembly including a light body and one or more LEDs supporting thereat, and a heat dissipating arrangement including a plurality of heat dissipating fins radially and outwardly extended from the light body to define a heat dissipating channel between every two of the heat dissipating fins, and an air guiding member coupled at the front side of the light body. Each of the heat dissipating channels has a front opening extended at the front side of the light body and an elongated side opening for dissipating heat generated from the LED assembly. An air guiding member has a plurality of guiding inlets aligning with the front openings of the heat dissipating channels respectively for guiding air flowing to the heat dissipating channels so as to effectively dissipating the heat from the LED assembly through the heat dissipating fins.

Abstract: An LED bulb includes an LED module having a PCB on which at least one LED element is mounted. A housing has a plurality of heat dissipating protrusions which protrude from an outer circumferential surface thereof, with a thread being formed on a predetermined portion of the housing. A light transmitting cover has a thread by which the cover can be fastened to the thread which is formed on the predetermined portion of the housing, in a threaded manner. Further, the LED bulb includes a bottom case into which an inverter for supplying a direct current to the LED module is inserted. The bottom case is inserted into the housing to be fastened to the housing. A socket is fastened to the bottom case.

Abstract: A hot-melt glass pillar lamp and a multi-channel heat dissipation method thereof; the pillar lamp comprises a base, a hollow steel frame which is mounted on the middle of the base, several sections of pillar-shaped hot-melt glass lamp which surround the steel frame and are sequentially arranged on the base from down to up in an overlapping manner, and a lamp cover with air outlets, wherein, each section of the pillar-shaped hot-melt glass lamp comprises a fixing framework which is composed of a plurality of supporting bars and a supporting board; each surface of the fixing framework is separately provided with a hot-melt glass lamp plate; an LED lamp plate is arranged at a certain distance from the inner side of each hot-melt glass lamp plate, and on the corresponding surface of the steel frame.

Abstract: A light source device includes: a light source lamp; and a housing, wherein the housing includes: a pair of openings formed, along a top and bottom with direction of a luminous flux emission of the light source device; a duct member provided so as to cover the pair of openings, and having an intake which outside air is introduced from the pair of openings to an air flow channel upstream side; a first air flow guide member provided inside the duct member, and causing the air introduced from the intake to circulate to either one of the pair of openings via the duct member by pivots under its own weight; and a second air flow guide members provided in positions in the housing corresponding to the openings, and causing the air introduced from the openings to circulate toward the light source lamp.

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: An improved LED assembly comprises a frame and a circuit substrate. The frame has a slot, which has an opening on the upper surface of the frame. An elongated inverted L-shaped structure is formed on either side of the opening, and one or more conductive strips are formed on the inner side of the elongated inverted L-shaped structure. Therefore, electricity may be supplied to the conductive strips of the frame. In assembly, the circuit substrate is slid into the slot of the frame so that each of the conductive strips of the circuit substrate is engaged with the corresponding conductive strip of the frame. Therefore, electricity from the electric source may be fed from the source through the conductive strip of the frame and the conductive strip of the circuit substrate and then to the light-emitting units so that each of the light-emitting units may be powered up.

Abstract: Methods and devices are provided for an improved light source. In one exemplary embodiment a light source includes a heat sink, a LED die, and a phosphor dome. A conductive material can be disposed in the heat sink, the LED die can be mounted to a top portion of the conductive material such that the LED die is in electrical contact with the heat sink, and the phosphor dome can be coupled to a top face of the heat sink. In another embodiment, a light source includes a heat sink, a sleeve, a LED package, and an optic. A conductive material can be disposed in the heat sink, the sleeve can be disposed around at least a portion of the heat sink and the conductive material, the LED package can be mounted above the conductive material, and the optic can be located above the LED package and coupled to the sleeve. The light sources disclosed herein can be used to replace existing miniature bulbs in a number of different devices, including medical devices such as otoscopes.

Abstract: A supporting structure is disclosed for both securing optical elements for providing optimal cooling of the optical elements and the light source.

Abstract: A compact fluorescent lamp luminaire with chambered structure to improve ventilation for controlling the temperature of ballasts and lamp in the luminaire. In such compact fluorescent lamp luminaires a plurality of compact fluorescent lamps is arranged inside a dome structure. The compact fluorescent lamps are powered through ballasts. Heat generated by the lamps is exhausted out of the luminaires without air heated by the lamps from passing through a chamber housing ballasts of the luminaire.

Abstract: An LED lamp includes a connecting member and an LED module. The connecting member is adapted for electrically connecting with a power source. The LED module is clasped by and electrically connects to the connecting member.

Abstract: A heat removal assembly for a light emitting diode lighting apparatus is described. One embodiment of the heat removal assembly includes a plurality of fins configured to receive heat from a light emitting diode. In the plurality of fins, two adjacent fins are separated by a gap width, and each fin has a fin length. The heat removal assembly also includes a duct configured to draw a stack-effect airflow through the plurality of fins to remove heat from the plurality of fins. The gap width separating two adjacent fins and the fin length of each of the fins are configured to prevent boundary layer choking the plurality of fins. In one embodiment, the heat removal assembly also includes a conductor and a thermal storage system configured to receive heat from the light emitting diode. A lighting apparatus including the heat removal assembly, a light emitting diode, and a connector plug is also described.

Abstract: A bulb-type lamp having both heat dissipation and size/weight reduction properties with a lower thermal load on a lighting circuit. An LED module is mounted in a case with a base member to allow dissipation of heat. An LED mount member closes another end of the case and allows conduction of heat to the case. A lighting circuit receives power via the base member. The lighting circuit is disposed inside a circuit holder. An air space exists between the circuit holder and both the case and the mount member. The lighting circuit is isolated from the air space by the circuit holder. A relationship 0.5?S1/S2, is satisfied where S1 denotes an area of a portion of the mount member in contact with the case and S2 denotes an area of the portion of the mount member in contact with a substrate of the LED module.

Abstract: An LED illuminating device includes an optical module and a heat dissipation device. The optical module includes a plurality of LEDs. The heat dissipation device includes a housing and a heat sink. The heat sink includes a base and a plurality of spaced fins formed on the base. The LEDs are thermally attached to a heat absorbing surface formed at a bottom of a bottom plate of the housing. The heat sink and the housing cooperatively define a hermetical chamber therebetween. A closed sidewall of the chamber is sandwiched between the base of the heat sink and the bottom plate of the housing. A wick structure is received in the chamber and attached to the heat dissipation device at a periphery of the chamber. A working fluid is filled in the chamber and saturated in the wick structure.

Abstract: An illumination system adapted for a projection apparatus is provided. The illumination system comprises a cooling air guiding apparatus, a lamp, and a cooling fan. The cooling air guiding apparatus comprises an air intake device and an adjustment device, while the adjustment device comprises an air-flow adjustment element and an air-flow guiding element. The cooling fan generates a cooling air, which flows from the exterior through the air intake device into the air-flow adjustment element. The air-flow guiding element guides the cooling air in the air-flow adjustment element out of an air-flow adjustment hole towards a specific direction. Since the adjustment device may move relatively to the air intake device, the air-flow adjustment hole is adapted to move from the first position substantially aligned with the opening to the second position constituting a substantial displacement with respect to the opening. The cooling air can cool the lamp no matter what angle the projection apparatus is disposed.

Abstract: A lamp (6) includes a housing (5) mounted to a lamp post (4) and a light-emitting diode module (10) mounted in the housing (5). The light-emitting diode module (10) includes a metal substrate (21) and a plurality of light-emitting diode dies (221) mounted on a face (211) of the metal substrate (21). A jacket (11) has a coupling surface (112) engaged with the other face (212) of the metal substrate (21). A heat conduction pipe (12) includes a portion (123) received in a longitudinal hole (111) of the jacket (11). The coupling surface (112) of the jacket (11) has an opening (114) in communication with the longitudinal hole (111). A portion of an outer periphery (124) of the portion (123) of the heat conduction pipe (12) is in direct, thermal contact with the other face (212) of the metal substrate (21) through the opening (114) of the jacket (11) to absorb heat generated by the light-emitting diode dies (221).

Abstract: An apparatus for transferring heat between an object and a fluid, the apparatus comprising at least one set of elongate members, the elongate members each having a tip for contacting the object. The tips of the elongate members generally make a point contact with the object and allow heat to be transferred between the object and a fluid, often air. A gap is provided between adjacent elongate members to facilitate fluid flow around the object and between the elongate members.

Abstract: A light emitting diode (LED) lamp is disclosed, which comprises: a base; a tube, mounted on the base and configured with a plurality of first openings; a mask, for receiving a portion of the tube inside the same and being configured with a plurality of second openings; a plurality of light emitting diodes (LEDs), each being mounted at the exterior periphery of the tube; and a fan, being arranged connecting to the tube; wherein, the operation of the fan is going to cause air convention between the tube and the mask for dissipating the heat generated from the LEDs with high efficiency.

Abstract: An LED lamp (100) includes a plurality of LED modules (20) and a thermal module (30). Each of the LED modules has a plurality of LEDs (220). The thermal module is secured to a side of the LED modules. The thermal module includes a plurality of fins (320). The fins are stacked with one above another with a gap defined between two adjacent fins. Each of the fins defines two opening (325). The openings of the fins coincide with each other from top to bottom so as to form two channels (328). The channels are used for air to flow therein to exchange heat with the fins.

Abstract: A projecting device includes a casing, an optical engine, and a heat-dissipating mechanism. The casing includes a lower casing body and an upper casing body covering the lower casing body. The optical engine is disposed in the casing, and includes a light source module. The heat-dissipating mechanism includes a first blower disposed uprightly in the casing and adjacent to one side of the light source module for driving airflow to cool the light source module and the casing. The first blower has a thickness greater than one half of a length thereof and greater than one half of a width thereof. With the arrangement of the first blower, a sufficient amount of airflow is provided to the system to improve the heat-dissipating effect and to enhance system reliability.

Abstract: A projection apparatus including a casing, a lamp module, an imaging system and an optical engine is provided. The lamp module is disposed in the casing and includes a frame, a first fan, a plurality of light sources and a wind guiding device. The first fan is disposed on the frame and provides a cooling airflow. The light sources provide a light beams. The wind guiding device is disposed between the first fan and the frame, and has a baffle disposed on a flowing path of the cooling airflow to divide the cooling airflow into a plurality of cooling sub-airflows for cooling the light sources respectively. The imaging system and the optical engine are received in the casing and disposed on the transmission path of the light beam, and the optical engine is positioned between the lamp module and the imaging system.

Abstract: A gas discharge lamp includes an arc envelope and a cooling device. Cooling passage is provided between the arc envelope and the cooling device. An airflow blocking structure is mounted rotatably to the arc envelope. The airflow blocking structure blocks airflow between the cooling device and the arc envelope except for a portion of the passage directed towards a top side of the arc envelope.

Abstract: A liquid crystal rear projector device of the present invention includes a lamp unit providing a light source, a cooling fan for cooling the lamp unit, and an optical system for generating color image light with the lamp unit providing a light source, the lamp unit including a light emitting tube providing a light source, and a reflector for reflecting light emitted from the light emitting tube toward the optical system. The reflector has an air introduction hole for introducing air discharged from the cooling fan into the reflector, which is provided near the spherical portion of the light emitting tube, and faces to a vertical top of the spherical portion to blow the air to the top.

Abstract: A light source apparatus is disclosed which allows effective cooling of an arc tube even with a small amount of wind. The light source apparatus has a light emitter and a reflector which reflects light from the light emitter and causes the reflected light to emerge. The light source apparatus also has a wind-guiding member which has a flow inlet and a flow outlet of cooling wind and has a wall portion at a position opposite to the flow inlet, the wall portion guiding the cooling wind toward the light emitter in the reflector. The light source apparatus which has a reflector to which an arc tube is fixed via a connecting member, and has a first flow path on which cooling wind from a fan flows to cool an area of the arc tube closer to the connecting member, and a second flow path on which cooling wind from the fan flows to cool an area of the arc tube closer to a light emitting portion. The second flow path is formed separately from the first flow path.

Abstract: A mercury light source tube such that a detrimental effect on its lifetime caused by gathering of mercury at peripheral portions of electrodes can be prevented or controlled, a light source device, and a display device. The mercury light source tube has a tube body in which mercury is sealed, electrodes provided to the tube body, and projections provided on an outer surface of the tube body to be integral with the tube body. The projections are placed between the electrodes or in positions at a distance from the electrodes toward the tube body center. The projections locally increase the surface area of the tube body so as to easily radiate heat to the outside, and locally decrease temperatures of the positions where the projections are placed and their peripheral portions so that mercury gathers at the low temperature portions.

Abstract: A light-emitting diode module with a heat dissipating structure includes a metal substrate and a plurality of light-emitting diode dies mounted on a face of the metal substrate. A jacket has a coupling surface engaged with the other face of the metal substrate. A heat conduction pipe includes a portion received in a longitudinal hole of the jacket. The coupling surface of the jacket has an opening in communication with the longitudinal hole. A portion of an outer periphery of the portion of the heat conduction pipe is in direct, thermal contact with the other face of the metal substrate through the opening of the jacket to absorb heat generated by the light-emitting diode dies. A finned heat sink is mounted on another portion of the heat conduction pipe outside the jacket to dissipate heat transferred to the heat conduction pipe into the environment.

Abstract: A method for controlling a dual lamp module applied to a projection apparatus is provided. The dual lamp module includes a first lamp and a second lamp. The method for controlling a dual lamp module includes providing a first operating power to the first lamp, and then determining whether the first lamp is turned on or not. If the first lamp fails to be turned on, stopping providing the first operating power to the first lamp, and providing a second operating power to the second lamp. The second operating power is greater than the first operating power.

Abstract: A heat removal assembly for a light emitting diode lighting apparatus is described. One embodiment of the heat removal assembly includes a plurality of fins configured to receive heat from a light emitting diode. In the plurality of fins, two adjacent fins are separated by a gap width, and each fin has a fin length. The heat removal assembly also includes a duct configured to draw a stack-effect airflow through the plurality of fins to remove heat from the plurality of fins. The gap width separating two adjacent fins and the fin length of each of the fins are configured to prevent boundary layer choking the plurality of fins. In one embodiment, the heat removal assembly also includes a conductor and a thermal storage system configured to receive heat from the light emitting diode. A lighting apparatus including the heat removal assembly, a light emitting diode, and a connector plug is also described.

Abstract: An illuminating device includes a light source module and a power supply module. The light source module includes a substrate, at least one solid state light emitting element, and a plurality of first heat-conducting fins. The substrate has a first surface and an opposite second surface. The at least one solid state light emitting element is arranged on the first surface. The first heat-conducting fins are formed on the second surface. The power supply module includes a housing with a slot formed therein. The housing includes a heat-conducting bottom plate and a plurality of second heat-conducting fins formed on the heat-conducting bottom plate. The light source module is detachably inserted in the slot with the first heat-conducting fins interleaved with the second heat-conducting fins and in thermal contact with the heat-conducting bottom.

Abstract: The invention describes an LED lighting module (1) comprising an LED element (10), an electronic driving arrangement (30) for driving the LED (11), and a heat sink (20). The heat sink (20) forms a casing for the electronic driving arrangement (30) and comprises a receptacle interface (26) on a front side (F) of the heat sink (20) with a number of first reference elements (27) for coupling the LED element (10) to the heat sink (20) in a defined orientation. The heat sink further comprises a cavity (28) for enclosing at least parts of the electronic driving arrangement (30) and a number of second reference elements (22) for coupling the LED light module (10) to a secondary optic (70,70?). Moreover the invention describes a lighting assembly (80, 80?) comprising such an LED lighting module (1).