Abstract: A high power LED lamp comprises a container having a cavity to fill with a liquid, a light source module for providing a high power LED source light to penetrate through the liquid, and an axial thermal conductor having a first portion nearby the light source module and a second portion extending in the liquid along an axial direction of the cavity to far away from the light source module to evenly transfer heat from the light source module through the liquid to the container.

Abstract: A projector comprises: a cooling fan for sucking ambient air through a filter; switching means for switching the operational mode of the cooling fan between a lowland mode and a highland mode; and control means adapted to obtain current fan voltage to determine the normal rpm value for that current fan voltage in reference to a highland voltage-rpm characteristic when the switching means is in the highland mode, obtain current fan rpm, and enables alarming means to issue a filter clogging alarm in the event that the current fan rpm is larger than the normal rpm value plus a predetermined value. Thus, filter clogging can be detected with precision in highlands.

Abstract: An LED reflector lamp has a control circuit, at least two LED light sources controlled by the control circuit, at least two light source panels coupled to respective at least two LED light sources, and at least one heat-conducting plate thermally connected to the at last two light source panels. The LED lamp reflector has a reflective cup having a reflective inner surface, a reflective opening formed by an edge of the reflective inner surface, and a slot formed on a bottom of the reflective cup, wherein the at least one heat-conductive plate is inserted through the slot into an interior of the reflective cup such that the LED light sources are parallel to a centrally vertical axis of the reflective cup. A heat sink is described that has a cavity in its interior, the cavity being dimensioned and shaped to be coupled to the reflective cup and plate.

Abstract: A modular louver assembly for a bollard luminaire comprises a louver having an upper surface, a lower surface and an opening, a heat sink disposed within the opening of the louver and adjacent the lower surface, a plurality of LEDs disposed about the heat sink on a lower surface of the louver, and, a lens disposed beneath the heat sink.

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 reflector for an ultraviolet lamp can be used in a substrate processing apparatus. The reflector comprises a longitudinal strip extending the length of the ultraviolet lamp. The longitudinal strip has a curved reflective surface and comprises a plurality of through holes to direct a coolant gas toward the ultraviolet lamp. A chamber that uses an ultraviolet lamp module with the reflector, and a method of ultraviolet treatment are also described.

Abstract: A recessed light fixture includes an LED module, which includes a single LED package that is configured to generate all light emitted by the recessed light fixture. For example, the LED package can include multiple LEDs mounted to a common substrate. The LED package can be coupled to a heat sink for dissipating heat from the LEDs. The heat sink can include a core member from which fins extend. Each fin can include one or more straight and/or curved portions. A reflector housing may be coupled to the heat sink and configured to receive a reflector. The reflector can have any geometry, such as a bell-shaped geometry including two radii of curvature that join together at an inflection point. An optic coupler can be coupled to the reflector housing and configured to cover electrical connections at the substrate and to guide light emitted by the LED package.

Abstract: A method for generating an air stream for cooling a light source, and a light source module for a light fixture with a blower for cooling the light source and the light source base. To achieve highly effective cooling of a lamp in a light fixture or a projector at least one forced air stream is generated by a blower system which blower system can be placed at a distance from the light source module and can be connected from the blower through a tube to a duct which directs an air stream towards the light source. By using a tube for the connection between the blowing unit and the actual place where air stream is to be used for cooling, it is possible to operate the blower in a place where the suction inlet for air into the blowing unit is a relatively cool place.

Abstract: A LED light apparatus includes a conical reflection housing and a LED light source. The reflection housing has a vertex, a light opening aligning with the vertex, an inner flat reflection surface. The LED light source includes a light head alignedly pointing towards the vertex, wherein when the light head generates light a first portion of the light is accumulatively reflected by the reflection surface towards the light opening while a second portion of the light is projected towards the non-reflection arrangement to prevent the second portion of the light being reflected back to the light source for minimizing a black spot occurring at the light opening. Accordingly, the wide light pattern is refocused into a narrow beam pattern to improve the lighting efficiency. The distribution of the light output is regulated, and the heat generation is reduced.

Abstract: A hybrid reflector system for use in lighting application. The system is particularly well-suited for use with solid state light sources, such as light emitting diodes (LEDs). Embodiments of the system include a bowl-shaped outer reflector and an intermediate reflector disposed inside the bowl and proximate to the light source. The reflectors are arranged to interact with the light emitted from the source to produce a beam having desired characteristics. Some of the light passes through the system without interacting with any of the reflector surfaces. This uncontrolled light, which is already emitting in a useful direction, does not experience optical loss normally associated with one or more reflective bounces. Some of the light emanating from the source at higher angles that would not be emitted within the desired beam angle is reflected by one or both of the reflectors, redirecting that light to achieve a tighter beam.

Abstract: A projector includes: a light source lamp; and a cooling device that cools the light source lamp and includes a plurality of cooling fans to deliver air toward the light source lamp. Airflow directions in which the plurality of cooling fans deliver the air toward the light source lamp are different from each other.

Abstract: A road lamp holder structure includes a lamp guard (1), an LED unit (2) installed at the bottom of the lamp guard (1), and a heat dissipating device (30) installed in lamp guard (1) and having a base (30), a vapor chamber (31) and two heat dissipating elements (32) attached to the LED unit (2). The vapor chamber (31) includes a heated section (310) attached onto the base (30), two heat transmitting sections (311) bent and extended upward from both sides of the heated section (310) respectively, a condensing section (312) bent and extended laterally from each of the two heat transmitting sections (311), two heat dissipating elements (32) having a heated base (30), and heat dissipating fins (321) disposed on the heated base (30). The two heated bases (30) are attached onto external sides of the two heat transmitting sections (311) of the vapor chamber (31) respectively, and the two condensing sections (312) of the vapor chamber (31) are attached to the internal periphery of the top of the lamp guard (1).

Abstract: A ceiling notification device has a housing; a reflector unit mounted to the housing; a lens positioned over the reflector unit; and a lamp in the center of the reflector unit along the central axis. The reflector unit has a base, a plurality of reflective fins, and a surface portion. The base has a curved surface that is symmetrical about a central axis. The plurality of reflective fins each has a first fin portion extending from the base and a second fin portion extending from the base and the first fin portion, the second fin portion having an inner surface and an outer surface, wherein the inner surface is exposed to the central axis. The surface portion extends from the base and positioned between the first fin portion and an edge of the base and is angled toward an inner surface of the second fin portion.

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 high-power radiation module has thermal protection made of inorganic, oxidic material arranged between the radiator and housing. The thermal protection is made of an essentially fiber-free material that is optically inhomogeneous with respect to IR radiation and/or UV radiation The high-power radiation module has a power per unit contact area of at least 200 kW/m2. The use of a radiation module and a method for the production of a radiation module include radiators or radiation units connected electrically and held mechanically in a housing having an outlet opening for the emitted radiation.

Abstract: An LED lamp including a lamp housing, an LED light source, a heat sink and a control circuit. The lamp housing has an accommodating space, a plurality of air inlets and a plurality of air outlets, wherein the accommodating space joins an environment through the air inlets and the air outlets. The LED light source and the heat sink are disposed in the accommodating space and the heat sink is connected with the LED light source. The heat sink includes a pedestal and a plurality of heat dissipation fins connected to the pedestal. An air convection channel is located between any two adjacent heat dissipation fins. Air from the environment flows into the accommodating space, passes through the air convection channel, and leaves the accommodating space via the air outlets sequentially. The control circuit is disposed in the accommodating space and connected to the LED light source.

Abstract: An image display apparatus has a first exhaust fan (13) for mainly exhausting air from a light source unit (9) and discharging the air to the outside of the image display apparatus and a second exhaust fan (14) for mainly exhausting air from a power supply unit (11) and discharging the air to the outside of said image display apparatus. The inspiration face of the second exhaust fan is arranged to partly overlap the expiration face of the first exhaust fan. Accordingly, the internal temperature of the image display apparatus, and hence the temperature of the exhaust air, can be efficiently reduced, and at the same time fan noise of the fans can be reduced. As a result, uprating of power of the light source unit and downsizing of an image display apparatus can be simultaneously achieved.

Abstract: An LED lamp includes a housing defining an opening in a front face thereof, a heat sink received in the housing and a plurality of LED modules mounted on the heat sink. The housing has two parallel horizontal plates at lower and top ends thereof. The heat sink includes a V-shaped conductive plate placed on the lower horizontal plate of the housing and has two differently-sized portions with front faces thereof defining an obtuse included angle therebetween. The front faces face the opening of the housing. The LED modules are mounted on the front faces of the portions of the conductive plate of the heat sink.

Abstract: The invention enables efficient cooling of: a light source providing source light; an optical system adapted to split the source light received from the light source into three primary colors R, G, and B; and a power supply unit for supplying electric power to various electric components installed in a casing of a projector apparatus. To do so, a first fan is arranged between the light source and the power supply unit such that its air inspiration face is directed to the power supply unit and its air expiration face is directed to the light source. Further, a second fan, adapted to inspire air from within the projector apparatus, is provided in the central area of the projector apparatus. On the air expiration side of the second fan is a cooling duct for cooling the light source and optical system.

Abstract: An illuminating device which accesses natural energy is an independent cylindrical unit, an interior is provided with a once-through passage to absorb solar thermal radiation wave which then operates on air molecules inside the once-through passage to increase an ionization speed, so as to form resultant force. The resultant force is then converted into mechanical energy which operates a suspended air screw to rotate, so as to drive a magneto generator to convert into an electric current which is used for illuminating through an access control.

Abstract: A lamp structure has a slim light emitting source including at least one LED packaged on a multilayered printed circuit board type aluminum base. A funnel-shaped reflector is concaved toward a center thereof and defined with at least one hole for partially accommodating the LED. An inner surface of the reflector is coated to form a light reflecting surface. A flat lens includes a surface being treated with sand blast. A lamp housing has a receiving chamber for accommodation of the slim light emitting source, the reflector, the flat lens, and a driver. The lamp housing is formed with a plurality of heat dissipation fins. The driver is inserted in the other end of the receiving chamber of the lamp housing and has positive and negative leads connected to the slim light emitting source for enabling it to produce light.

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 LED-based lighting system includes a printed circuit board (“PCB”) having conductors on a front-side thereof, one or more LEDs mounted with the conductors, and a structural element. The PCB is mounted with the conductors near to the structural element so that heat dissipation from the LEDs is primarily through the conductors and the structural element. A method of dissipating heat generated by an LED-based lighting system includes configuring a PCB with conductors on a front-side of the PCB, such that when one or more LEDs mounted to the conductors generates heat, the heat dissipates from the one or more LEDs to the conductors. The method also includes integrating a structural element such that at least portions of the conductors face the structural element, and the heat dissipates from the conductors to the structural element.

Abstract: A lamp base having a heat sink is connected to a bulb having two electrodes. The lamp base includes a heat sink, a first electrically conductive piece, a second electrically conductive piece, and leads. The heat sink comprises a heat-dissipating base formed with a trough for accommodating the bulb therein. The first electrically conductive piece is fixed in the trough and is electrically connected to an electrode of the bulb. The second electrically conductive piece is fixed in the trough and is electrically connected to the other electrode of the bulb. The second electrically conductive piece is electrically insulated from the first electrically conductive piece. The leads are electrically connected to the first electrically conductive piece and the second electrically conductive piece respectively. With the heat sink dissipating the heat generated by the bulb, the lamp base has extended lifetime.

Abstract: A luminaire system having an elongated throughway utilizing a thermal chimney effect. The thermal chimney effect within the throughway circulates air to remove heat generated from the electrical components of the system. Dissipating heat into the throughway from the electrical components can increase the life expectancy of the lamp and the output of the lamp. The electrical components of the system being entirely sealed and isolated from the throughway results in a permanent air, dust, and water tight seal. The permanent seal can minimize damage to the electrical components of the system as well as prevent the build up of moisture and dust within these sealed components.

Abstract: The present invention discloses a heat dissipating structure of a light source utility that includes a rear-located heat dissipating element, a light source generating element, a thermally conductive mounting element and a front-located heat dissipating element. The rear-located heat dissipating element has a first surface, and a light source generating element arranged on the first surface. The thermally conductive mounting element is arranged around the light source generating element on the first surface. The front-located heat dissipating element is arranged on the thermally conductive mounting element, and has at least one hole corresponding to the light source generating element. The heat generated from the light source generating element is conducted to the rear-located heat dissipating element, and the thermally conductive mounting element further conducts the heat to the front-located heat dissipating element for heat dissipation.

Abstract: Embodiments of the invention relate generally to an ultraviolet (UV) cure chamber for curing a dielectric material disposed on a substrate and to methods of curing dielectric materials using UV radiation. A substrate processing tool according to one embodiment comprises a body defining a substrate processing region; a substrate support adapted to support a substrate within the substrate processing region; an ultraviolet radiation lamp spaced apart from the substrate support, the lamp configured to transmit ultraviolet radiation to a substrate positioned on the substrate support; and a motor operatively coupled to rotate at least one of the ultraviolet radiation lamp or substrate support at least 180 degrees relative to each other.

Abstract: A light weight reflector structure for an axial UV lamp wherein a shell-like channel housing supporting spaced apart ribs that in turn support flexed reflective spars that take the shape of the ribs. A preferred shape for the ribs and spars is parabolic about the axial UV lamp so that a beam is formed and directed out of the channel housing. The spars have a gap partially blocked by a deflector spar for creating a tortuous path for air forced direct into a tunnel between the channel housing and the spars. Forced air swirls through the gap and cools both the lamp and the spars.

Abstract: A lamp unit includes a reflector with a lamp mounted therein, a reflector holder holding the reflector, and an ejector member fixed to the reflector holder, for ejecting air to cool the lamp, the ejector member including an insertion member with a tubular stud inserted therein for supplying compressed air, a fluid passage forming member having a fluid passage for being supplied with air from the stud, and a hole defined in a distal end of the ejector member.

Abstract: A lamp with heat conducting structure includes a lamp cover made of heat dissipating material. The lamp cover has a hollow configuration therein. An interlayer is horizontally arranged in the lamp cover. The lamp cover is divided into a first space and a second space therein by the interlayer. A LED lamp assembly is disposed in the first space of the lamp cover. A power plug is disposed in the second space of the lamp cover. The power plug has a control circuit board in the second space. The control circuit board has an electronic element disposed thereon. A heat conducting tab protrudes from the interlayer of the lamp cover towards the second space. The heat conducting tab has a heat conducting surface corresponding to the electronic element to thermally contact with the electronic element.

Abstract: An LED lamp includes a heat sink, and a plurality of LED modules attached to the heat sink. The heat sink includes a base and a plurality of fins extending from the base. The LED modules each include a substrate plate thermally attached to the base of the heat sink and a plurality of LEDs mounted on the substrate plate. A housing includes a frame surrounding the base of the heat sink, and cooperates with the heat sink to define a first cavity between the frame and the base of the heat sink. A first waterproof gasket is received in the first cavity and surrounds the base of the heat sink. A hood covers over the LEDs of the LED modules and contacts the frame of the housing. A second cavity is defined among the hood, the frame of the housing and the body. A second waterproof gasket is received in the second cavity.

Abstract: In a projection video display system, display devices are irradiated with light emitted from a light source 1 housed in a body case, and a video image is projected to the outside of the body case. The system includes: a cooling fan for cooling the display devices; and an air passage for guiding air generated by driving the cooling fan to the display devices. Openings for making the display devices communicate with outside air are formed in positions corresponding to at least the display devices in the body case.

Abstract: To improve the cooling efficiency and ensure uniform cooling of all portions of the inside back surface of the reflector, a deflector (108) has been developed. The air deflector (108) typically encircles the lamp (102) allowing air (110) to flow between the deflector (108) and the lamp (102). This air (110) cools the lamp (102). Air (112) passing between the deflector (108) and the reflector (100) is deflected outward to cool the inside surface of the reflector near the lamp (102). Because the deflector (108) is small and is located directly behind the lamp (102), it does not block any of the useful light generated by the lamp (102). The light striking the deflector (108) from the lamp (102), if not for the deflector (108), would have passed through the opening in the reflector (100) and would have been lost. The deflector (108) typically has a number of vanes around the perimeter of a cylindrical body portion.

Abstract: In a projector assembly having a lamp for emitting light, and an ellipsoid reflector for capturing the light, the ellipsoid reflector having an opening through its vertex facilitating placement of the lamp, there is provided an improvement wherein the opening in the ellipsoid reflector is sized to allow a major portion of cooling air to pass therethrough into a region defined by the ellipsoid reflector. An air deflector is situated in the opening so as to facilitate distribution of cooling air along the lamp and outwardly towards the inside surface of said ellipsoid reflector from within said region.

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: Modular lighting fixtures that allow convenient installation and removal of LED-based light-generating modules and controller modules. In one example, a modular lighting fixture includes a housing configured to be recessed into or disposed behind an architectural surface such as ceiling, wall, or soffit, in new or existing construction scenarios. The fixture housing includes a socket configured to facilitate one or more of a mechanical, electrical and thermal coupling of the light-generating module to the fixture housing. The ability to easily engage and disengage the LED-based light-generating module with the socket, without removing the fixture housing itself, allows for straightforward replacement of the light-generating module upon failure, or exchange with another module having different light-generating characteristics.

Abstract: An ultra high efficient encapsulation structure includes a reflection cup, a metal heat sink, and a heat conducting base. The heat conducting base has a slot for being inserted by the metal heat sink. The metal heat sink is formed as guiding planes which are suitable for a flat lighting characteristic of a LED so as to change the angle of lights and raise the optical efficiency. The metal heat sink is a good heat conductor with high thermal capacity so that heat on a LED chip is absorbed quickly and being conducted to the heat conducting base through a larger surface thereof. Heat on the LED chips of the metal heat sink is dissipated quickly so that temperatures of the LED chips are substantially lowered. The reflection cup suitable for the flat lighting characteristic of the LED is fixed to an outer edge of the metal heat sink.

Abstract: Moving head projector comprising a base, to which base a yoke is rotationally connected, to which yoke a head is rotationally connected, the head having a light source partly inside a reflector that forms a light beam which passes through a light forming arrangement located on at least one rotating disc formed member that is rotated by at least a first motor, and at least one lens through which the light beam passes before leaving the projector. The light forming arrangement is exchangeable via an opening in the head of the projector located radially outward of the at least one rotating disc formed member for providing direct access thereto during operation of the projector, the projector having a cover for closing and exposing said opening, opening of the cover switching the projector from a first mode of operation to a second mode of operation.

Abstract: An LED illumination lamp device, including a polygonal-prism-shaped supporting member having a plurality of rectangular side surfaces, plate-like wing members configured to project outwardly from each of ridge lines formed by two adjacent rectangular side surfaces of the supporting member and having at least two opposing rectangular surfaces, and a plurality of LED elements disposed on the rectangular side surfaces of the supporting member and the rectangular surfaces of the wing members.

Abstract: Embodiments of the invention relate generally to an ultraviolet (UV) cure chamber for curing a dielectric material disposed on a substrate and to methods of curing dielectric materials using UV radiation. A substrate processing tool according to one embodiment comprises a body defining a substrate processing region; a substrate support adapted to support a substrate within the substrate processing region; an ultraviolet radiation lamp spaced apart from the substrate support, the lamp configured to transmit ultraviolet radiation to a substrate positioned on the substrate support; and a motor operatively coupled to rotate at least one of the ultraviolet radiation lamp or substrate support at least 180 degrees relative to each other.

Abstract: Five lamp units with light emitting elements are supported by a common metal made support member. Heat generated by the respective light emitting elements is transferred to the metal made support member having a large heat capacity to restrain a temperature rise thereof. The lamp units including the light emitting elements having a relatively large heat generating amount are arranged on lower sides of the lamp units including the light emitting elements having a relatively small heat generating amount.

Abstract: An LED down light replacement apparatus is disclosed for insertion into a recessed-light housing can, which includes an LED light source, a means for mounting said LED light source within the housing can, an LED driver circuit electrically connected to the LED light source, a heat sink in thermal contact with the LED light source, and means for removing heat generated by the LED light source. The means for removing heat generated by the LED light source can include a fan and/or ventilation holes in the top of the housing can.

Abstract: An LED lighting device with a heat dissipating structure is disclosed. The lighting device includes a lamp base coupled with a top cover to form an accommodating space for accommodating a first heat dissipating module and a second heat dissipating module. The first heat dissipating module includes a first heat-conducting plate, a first heat pipe and a first heat dissipater. An LED lighting module is connected with the first heat-conducting plate, in which an evaporator section of the first heat pipe is disposed thereon. The first heat dissipater is arranged on a condenser section of the first heat pipe, and the second heat dissipating module includes a second heat-conducting plate and a second heat pipe. The second heat-conducting plate paralleling to the first heat-conducting plate is connected with the LED lighting module. An evaporator section of the second heat pipe is disposed on the second heat-conducting plate, and whose condenser section is connected with an inner surface of the top cover.

Abstract: The disclosed subject matter can include a vehicle lamp having a favorable light distribution and an effective heat dissipation structure. The vehicle lamp can include a light source and a casing in which the light source is sealed. The casing can be configured in a tubular shape and a reflector can be configured in a hollow of the casing. The casing can be sealed between the reflector and a front lens configured to allow light emitted from the light source to pass therethrough. The inner surfaces of the casing and the reflector can be configured to form a predetermined light distribution via the front lens. The outer surfaces of the casing and the reflector can be exposed to the outside and can be configured to radiate heat generated from the light source to the outside using heat conductive material. Thus, the lamp can be miniaturized and provide favorable light distribution.

Abstract: A light source device (10) includes a lamp unit (1) and a lamp cartridge (2) in which the lamp unit (1) is housed. The lamp unit (1) includes a discharge lamp (11), a reflection mirror (12) and a transparent plate (13). The reflection mirror (12) has ventilation openings (121). The lamp cartridge (2) has ventilation openings (214, 215 and 231). Fragment-passage prevention members (30, 31 and 32) are provided on the ventilation openings (214, 215 and 231). The fragment-passage prevention members (30) allow the passage of the air but prevent the passage of the fragments of the discharge lamp (11). With such an arrangement, it is possible to prevent the fragments from being scattered out of the lamp cartridge (2), even when the breakage of the discharge lamp (11) occurs.

Abstract: A liquid crystal projector device of the present invention includes a lamp unit and a lamp cooling fan, the lamp unit having disposed therein a columnar lamp bulb having a luminous body enclosed therein, the lamp unit having a side wall opposed to the lamp cooling fan and provided with a first and second air introduction openings at opposite sides of a plane including a central axis of the lamp bulb and perpendicular to the side wall, for introducing the air drawn from the lamp cooling fan toward the lamp bulb.

Abstract: The present invention discloses an LED streetlight structure, which comprises: a heat-conduction pipe frame, an upper casing, a lower casing, a light concentration plate, and a transparent cover. The upper and lower casings are made of a plastic material and pivotally coupled to each other. The heat-conduction pipe frame has a heat-dissipation seat with main heat-dissipation fins. Two stabilizer boxes with fins are respectively arranged at two sides of the heat-dissipation seat. Heat-dissipation lamp sets insert through the bottom of the heat-dissipation seat. The present invention installs the main heat-dissipation fins on heat-conduction pipe frame and installs the fins on the stabilizer boxes to increase heat-dissipation area. Further, an auxiliary heat-dissipation ventilation device is arranged above the heat-conduction pipe frame and made of aluminum, and aluminum itself benefits heat dissipation.

Abstract: A cylindrical light source comprises multiple LEDs mounted on either the exterior or interior surface of the cylinder, with heat-sink fins respectively on its interior or exterior. The LEDs emit radially, but their emission is redirected along the cylinder axis by individual ellipsoidal reflectors.

Abstract: The present invention is related to an illumination device capable of producing ambient light and whose structure can be efficiently manufactured and assembled. The illumination device comprises: a substrate electrically connect to a power supply, a plurality of light sources attached to a surface of the substrate, a reflection body with a reflection surface situated a distance from said plurality of light sources, a shell having a diffusion surface situated a distance from said reflection surface. The illumination device may further comprise a housing for receiving and supporting the substrate and the reflection body. The housing is configured to join with the shell and can be further attached to an external device receiving the ambient light. The light emitted from the light sources is reflected by the reflection body to the diffusion member and then radiates outwardly to the surrounding environment of the shell. The reflection surface of the reflection body is inclined at angle relative to the substrate.

Abstract: A projection display capable of preventing a reflector from damage and cooling a lamp at high efficiency. The projection display includes a light source which has a lamp and metallic reflector. The metallic reflector has an opening disposed above the light-emitting point of the lamp in the gravity direction. A duct has an end coupled to the opening and directs the air induced by a fan through the opening into the metallic reflector. The air then circulates within the metallic reflector to cool the light-emitting point of the lamp, and subsequently is released out of the metallic reflector through through-holes formed with a front glass and a flange of the metallic reflector.