Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Having heat conducting path

Subclass of:

313 - Electric lamp and discharge devices

313011000 - WITH TEMPERATURE MODIFIER

Patent class list (only not empty are listed)

Deeper subclasses:

Entries
DocumentTitleDate
20110175512LIGHT EMITTING DIODE AND LIGHT SOURCE MODULE HAVING SAME - An exemplary light emitting diode includes a heat sink, an insulating layer, a positive electrode, a negative electrode, and a light emitting diode chip. The heat sink has a first surface, and the first surface includes a first portion and a second portion adjacent to the first portion. The insulating layer is arranged on the first portion of the first surface and has a second surface facing away from the heat sink. The positive electrode and the negative electrode are arranged on the second surface. The light emitting diode chip is mounted on the second portion and spaced from the positive electrode and the negative electrode, and the light emitting diode chip is electrically connected to the positive electrode and the negative electrode.07-21-2011
20130026901LIGHT EMITTING DEVICE PACKAGE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a light emitting device package and a method of manufacturing the same. There is provided a light emitting device package including a metal core; an insulating layer formed on the metal core; a metal layer formed on the insulating layer; a first cavity formed by removing parts of the metal layer and the insulating layer to expose a top surface of the metal core; and a light emitting device directly mounted on the top surface of the metal core in the first cavity and further there is provided a method of manufacturing the light emitting device package.01-31-2013
20110181165LIGHT EMITTING DIODE LAMP - A light emitting diode (LED) lamp has a seat with a base, a cover mounted on the seat, and an AC fan, a heat sink and an AC LED light source mounted in the seat. The AC fan and the AC LED light source are electrically connected to the base of the seat. An AC directly provides to and drives the AC fan and the AC LED light source and no converter module is needed. Therefore, the LED lamp is quiet, energy saving and has good heat dissipation and low manufacturing costs for a prolonged operating life.07-28-2011
20100060132LED ILLUMINATING DEVICE - An LED illuminating device includes an optical part having a light source therein, an electrical part and a heat dissipation part. The electrical part includes a rear shell and a circuit board electrically connecting with the light source. The heat dissipation part includes a hollow front shell having a rear end secured with the rear shell, a heat sink and a cooling fan arranged in the front shell. The front shell defines a plurality of first and second air holes. The heat sink includes a solid base and a plurality of fins. The light source is thermally connected with the base. An airflow produced by the cooling fan is introduced into the front shell via the first air holes. The airflow flows then towards the heat sink and finally flows out of the front shell via the second air holes.03-11-2010
20100052495LED LAMP - An LED lamp includes a heat sink, an LED module received in the heat sink, a lamp holder disposed on a top end of the heat sink and covering the LED module, and a clip coupled to the lamp holder for securing the lamp holder to the heat sink. An annular fixing portion extends from a bottom of the lamp holder and surrounds a periphery of the top end of the heat sink. The clip hoops the fixing portion of the lamp holder and has a plurality of engaging portions extending through the fixing portion and inserted into the engaging slots of the heat sink correspondingly.03-04-2010
20120169202LIGHT EMITTING DIODE (LED) AND ORGANIC LIGHT EMITTING DIODE (OLED) LIGHTING SOURCES - A heat sink structure formed out of mechanisms which may include petals and stems, and which may be characterized by configurations which include rosettes and umbels. Each heat sink structure being generally comprised of multiple petals and one or more stems which are capable of interlocking with each other through use of various mechanical connector elements, which may include fin, claw and ball features. Each petal typically having a plurality of fins, claws and balls, intended to create hinge-like properties for maximizing the number and types of heat sinks which may be expressed. Advantageously, a plurality of expandable, connectable and adjustable heat sinks may be formed to optimize heat dispersion and allow for a plurality of lighting sources to be accommodated as desired.07-05-2012
20100164346LIGHT EMITTING DEVICE WITH PHOSPHOR WAVELENGTH CONVERSION - A light emitting device comprises: a thermally conductive substrate (MCPCB); at least one LED mounted in thermal communication with a surface of the substrate; a housing attached to the substrate and configured such the housing and substrate together define a volume that totally encloses the at least one LED, the housing comprising at least a part that is light transmissive (window); and at least one phosphor material provided on an inner surface of the housing within said volume said phosphor being operable to absorb at least a part of the excitation light emitted by the at least one light emitting diode and to emit light of a second wavelength range. The housing is attached to the substrate such that the volume is substantially water tight, preferably air/gas tight.07-01-2010
20100164347LIGHT SOURCE DEVICE - A light source device that irradiates a discharge vessel with a laser beam to produce radiant light that is reflected by an ellipsoidal reflecting surface efficiently utilizes the light produced by directing the laser beam through an unirradiated region where reflected light from the ellipsoidal reflector is blocked by the discharge vessel, through an opening side of the ellipsoidal reflector to the discharge vessel. The discharge vessel has an emission substance enclosed inside which is excited by the laser beam and produces radiant light, is arranged at a focal point of the ellipsoidal reflector. A planar mirror, with which radiant light reflected by the ellipsoidal reflector is reflected in a different direction has a window in an unirradiated region where reflected light from the ellipsoidal reflector is blocked by the discharge vessel through which the laser beam passes to the discharge vessel.07-01-2010
20100164348LED LAMP ASSEMBLY - A LED lamp assembly is disclosed. The LED lamp assembly includes a heat radiator, a base body and a cover body. The base body is located on one end of the heat radiator and the cover body is located on the other end of the heat radiator. The base body has a plurality of first engaging parts, each of which is associated with a first engaging portion. The cover body has a plurality of second engaging parts, each of which is associated with a second engaging portion. The first engaging portion is configured to correspond to and engage with the second engaging portion so as to sandwich the heat radiator between the base body and the cover body.07-01-2010
20110193463MULTI-COMPONENT LED LAMP - A multi-component LED lamp is disclosed herein. The multi-component LED lamp comprises an outer case housing with at least one heat sink and an array of LEDs disposed therein. The outer case comprises a plurality of vent openings and a light projecting end. The array of LEDs is disposed proximate the light projecting end in the outer case. Each heat sink disposed in the outer case is a separate component part of the LED lamp. The vent openings and heat sink(s) are disposed and configured to provide convective air flow pathways through the multi-component LED lamp and remove heat therefrom.08-11-2011
20110193462MODULIZED LED APPARATUS WITH ENHANCED HEAT DISSIPATION - A modulized LED apparatus includes a container having a chamber wall with a chamber therein, a transparent surface thereof for the container to be pervious to radiant energy and/or light. The container has an optical processing area for converging, collecting or diffusing radiant energy and/or light. A liquid refrigerant and an evaporator including a heat conductor unit and a capillary unit are in the chamber, and the capillary unit has a portion contacting the liquid refrigerant. With the heat generated by an operating LED device, the evaporator evaporates the liquid refrigerant into a gaseous phase, which then condenses on the chamber wall and thus transfers heat to the chamber wall for dissipating, and the condensed refrigerant is evaporated again by the evaporator again into the gaseous phase. Due to this thermal recycling, the refrigerant continuously transfers heat from the LED device to the ambient environment.08-11-2011
20130033166LIGHTING APPARATUS - A lighting apparatus includes a light source module, a power supply circuit section supplying power to the light source module, a heat radiating section accommodating the power supply circuit section inside and radiating the heat generated in the power supply circuit section, a base connected to an external power supply, and an insulating ring provided between the heat radiating section and the base and making electrical insulation. With regard to the lighting apparatus, the insulating ring is a thermal conductor. Since the insulating ring functions as the thermal conductor, the heat generated in the power supply circuit section is transferred to the heat radiating section and the base via the insulating ring so that the heat is radiated to outside from the heat radiating section and the base.02-07-2013
20130033165HEAT DISSIPATION DEVICE AND LIGHTING DEVICE - In a heat dissipation device provided with a heat dissipation section that dissipates heat emitted from a transformer provided on a power-source board, the transformer is provided on an edge portion of the power-source board, and a heat conductor is inserted between the heat dissipation section and the transformer. Since the transformer is provided on the edge portion of the power-source board, the heat dissipation section and the transformer are located closer to each other.02-07-2013
20130033164PLANAR REMOTE PHOSPHOR ILLUMINATION APPARATUS - In various embodiments, reduced phosphor utilization and improved off-state appearance are facilitated in an illumination apparatus via incorporation of segmented phosphor and/or reflector layers.02-07-2013
20130076223LED LAMP - An LED lamp includes a heat dissipator, a module substrate on which an LED chip is mounted and fixed to one end of the dissipater, a lighting circuit supplying electric power to the LED chip, and a light guide fixed to the dissipator so that a base of the light guide is located opposite the LED chip. Light emitted from the LED chip is incident on the light guide through its base, the incident light radiating out of a surface of the light guide to be diffused around the light guide. The lamp further includes a heat-conducting column projecting from the one end of the dissipator. The column has a distal end on which the substrate is disposed. The substrate and at least an outer periphery of the column are covered by the light guide. The outer periphery is located near the column surface on which the substrate is disposed.03-28-2013
20130043781INTEGRAL LAMP WITH A REPLACEABLE LIGHT SOURCE - An integral lamp with a replaceable light source includes a bulb base, an LED light emitting module and a lamp hood. The bulb base is integrally made of aluminum, with the LED light emitting module and the lamp hood independently assembled on or disassembled from the bulb base in order. Heat generated by the LED light emitting module can be directly scattered out by the bulb bas, without installing any extra heat dispersing device so as to simplify the structure of the lamp and lower assembling cos. And with the bulb base polished, light reflection can be enhanced. The LED light emitting module can be swiftly disassembled for maintenance or being replaced with a new one if breaking down, with the other components remaining still usable. So waste can be reduced to be friendly to environment.02-21-2013
20100109500LIGHT GENERATING UNIT - A light generating unit is provided herein which contains a light generating member using LED, a heat dissipating member, and a transparent reflective member. The light generating member is configured on the heat dissipating member and the transparent reflective member is configured in front of the light generating member. Inside the transparent reflective member and opposing the light generating member, a transparent reflective element is provided. Light projected into the transparent reflective member is thereby reflected and diffused. A second light emitting body could be provided in front of the transparent reflective member to increase the light coverage angle and area, and to increase the dazzling effect.05-06-2010
20100026158Heat dissipation structure of LED light - A heat dissipation structure of LED light, including a ventilation lampshade, a ventilation power supply seat module and a streamlined curved-surface thermal module. The ventilation lampshade and the ventilation power supply seat module are formed with ventilation holes for expediting fluid convection and enhancing heat dissipation efficiency. The thermal module is composed of multiple radiating fins, which are adjacently annularly stacked to form the thermal module. The radiating fins are formed with streamlined curved surfaces, whereby fluid can more smoothly flow through the radiating fins to greatly enhance heat dissipation ability of the thermal module.02-04-2010
20120181913LAMP WITH HEAT SINK - A lamp includes a heat sink and a lamp cover mounted on the heat sink. The lamp cover includes a connecting portion. The heat sink includes a plurality of clamping portions. The plurality of clamping portions surrounds the lamp cover and is spaced apart from each other along a circumferential direction. The plurality of clamping portions each defines a recess facing the lamp cover. The recesses communicate with each other along the circumferential direction whereby an annular engaging groove is defined in the heat sink by the recesses. The connecting portion is engaged in the engaging groove whereby the lamp cover is connected with the heat sink.07-19-2012
20130088137LED LAMP SYSTEM - The invention relates to a led lamp system with a led lamp, with at least one led and terminals for electricity supply of the led, wherein the led is attached to a holder with electrical connections, wherein the led lamp system further comprises a fitting, and fitting and holder can detachably be attach to each other, wherein the fitting comprises electrical connections for receiving electricity supply suited for the led, that in attached condition cooperate with the terminals at the holder wherein he holder is arranged for heat conduction and arranged for transport of heat from led to an external surface of the holder.04-11-2013
20100133972Connector06-03-2010
20100133973LIGHT-EMITTING DEVICE WITH A LONG LIFESPAN - A light-emitting device includes a housing, a light-emitting unit, a cup-shaped reflector, and a plurality of leads. The light-emitting unit is disposed in the housing. The cup-shaped reflector is disposed in the housing, and includes a base wall that is formed with a plurality of holes therethrough, and a surrounding wall that diverges from the base wall thereof and that surrounds the light-emitting unit. Each of the leads extends into the housing and is coupled electrically to the light-emitting unit.06-03-2010
20090302731ORGANIC ELECTROLUMINESCENCE LIGHTING DEVICE - An organic electroluminescence lighting device includes a planar organic electroluminescence element; a planer heat diffusion plate provided on one surface of the organic electroluminescence element; and a constant current circuit element that is placed so as to contact the heat diffusion plate and supplies a constant current to the organic electroluminescence element.12-10-2009
20090302730LED-BASED LIGHT BULB DEVICE - An LED light bulb device including a bulb body, a cap and an LED assembly. The bulb body defines an exterior surface and an interior. The cap is mounted to the bulb body, combining to define a light bulb-like structure. The LED assembly includes a substrate, LEDs, transformer circuitry and connective circuitry. The LEDs and the connective circuitry are maintained by the substrate, with the connective circuitry electrically connecting the LEDs and the transformer circuitry. The transformer circuitry is adapted to modify incoming power for powering the LEDs. The LED assembly is mounted to the light bulb-like structure such that the LEDs are disposed along the exterior surface of the bulb body, with light from the LEDs being directed inwardly into the interior and then outwardly from the interior. The LED assembly can further include a heat sink body encompassing the LEDs.12-10-2009
20120217861LED Heat Sink Assembly - An LED light source is provided that is comprised of a heat sink assembly and at least one LED, where the heat sink assembly includes a hollow heat sink (e.g., a cylindrical heat sink) and an LED thermal pad that mechanically closes an opening in the heat sink via direct mechanical and thermal contact. The thermal pad or pads of the LED are in direct mechanical and thermal contact with an upper surface of the LED thermal pad.08-30-2012
20110012495Emitter Exit Window - An exit window can include an exit window foil, and a support grid contacting and supporting the exit window foil. The support grid can have first and second grids, each having respective first and second grid portions that are positioned in an alignment and thermally isolated from each other. The first and second grid portions can each have a series of apertures that are aligned for allowing the passage of a beam therethrough to reach and pass through the exit window foil. The second grid portion can contact the exit window foil. The first grid portion can mask the second grid portion and the exit window foil from heat caused by the beam striking the first grid portion.01-20-2011
20110012494HEAT DISSIPATING DEVICE HAVING LINEAR HEAT DISSIPATING UNIT AND FANLESS LED LAMP USING THE DEVICE - A heat dissipating device having a linear heat dissipating unit and a fanless LED lamp using the device are disclosed. The heat dissipating device includes a heat dissipating bracket having a heat absorbing part, and a linear heat dissipating unit which is coupled to the heat dissipating bracket and has a coil shape achieved by the continuous winding of a wire into a spiral shape. The heat dissipating bracket includes an insert hole corresponding to part of the linear heat dissipating unit in such a way as to be in surface contact with the part of the linear heat dissipating unit, and the linear heat dissipating unit protrudes to the outside of the heat absorbing part of the heat dissipating bracket to perform a heat exchange process for dissipating heat through natural convection ventilation. The fanless LED lamp includes the linear heat dissipating unit as a heat dissipating means.01-20-2011
20130063015Systems and Methods for Providing a Junction Box in a Solid-State Light Apparatus - In one embodiment, the solid-state lighting apparatus includes a solid-state light source. The solid-state light source may include a first side and a second side opposite the first side, with the first side including at least one solid-state lighting element. The solid-state lighting apparatus may also include a junction box. The junction box may be positioned at least partially above the solid-state light source, proximate the second side of the solid-state light source. The solid-state lighting apparatus may further include a heat sink. The heat sink may be coupled to the junction box and thermally coupled to the solid-state light source.03-14-2013
20120235553Spherical Light Output LED Lens and Heat Sink Stem System - This light emitting diode (LED device provides a 360 degree lighting angle in the horizontal plane and a 300 degree lighting angle in the vertical plane while simultaneously addressing LED die thermal management, which is critical to high lumen output LEDs. This LED lighting device is comprised of the LED lens, the LED holder and the heat sink stem. Light produced by at least one LED die traveling vertically is diffused by the top refractive portion of the lens. Light rays directed towards the pointed elements are totally internally reflected downwards then refracted out of the lens, thus resulting in a spherical light pattern. This technology is designed as a replacement for conventional light sources, such as incandescent light bulbs, halogen bulbs, CFLs (compact fluorescent lamps) and metal halide lamps.09-20-2012
20120235552LAMP - A lamp includes a housing, a heat sink, a cooling fan and a light-emitting module. The housing has an assembling opening and an electrical connection member on two ends thereof, wherein the housing further comprises an inner wall and a portion of the inner wall adjacent to the assembling opening is an air-guiding wall. The heat sink has a base plate disposed at the assembling opening of the housing, wherein the base plate has at least one partitioning board defining an air channel of the heat sink. A first air-guiding opening is formed between the air-guiding wall and the at least one partitioning board, and a second air-guiding opening is formed between the air channel and the air-guiding wall. The cooling fan is coupled with the heat sink and has an impeller. The light-emitting module is coupled with the base plate of the heat sink.09-20-2012
20110031865LIGHT EMITTING DEVICE PACKAGES WITH IMPROVED HEAT TRANSFER - Packages containing one or more light emitting devices, such as light emitting diodes (LEDs), are disclosed. In one embodiment, LED package can include a thermal element having improved solder reliability to improve heat dissipation capacity of the LED package. LED package can include a molded plastic body having one or more LEDs attached to one or more electrical elements. The LEDs can be connected to an upper surface of the thermal element. The thermal element can include a bottom surface which can extend further away in distance from a body of the LED package than a bottom surface of the electrical element. This configuration can result in an improved connection between the LED package and an external circuitry source, thereby increasing heat transfer ability of the LED package.02-10-2011
20100327726LED bulb - Semiconductor, e.g. LED, lighting device. The device cools a housing on which the LEDs are coupled.12-30-2010
20110133623LIGHT EMITTING DIODE LAMP - A light emitting diode lamp comprises: a heat dissipating assembly including a column unit and a coolant container, the column unit defining opposite first and second fluid passages separated from each other, the coolant container defining a coolant storing space for storing a coolant therein; a heat sink mounted on the heat dissipating assembly and defining a fluid channel therein; a light emitting unit including at least one light emitting diode and mounted on the heat sink; and a coolant driving member. The coolant driving member, the heat sink, the coolant container and the column unit are coupled together so that the coolant driving member drives circulation of the coolant through the first and second fluid passages, the coolant storing space and the fluid channel.06-09-2011
20110133622LED LAMP - An LED lamp includes a heat sink including a supporting plate, a plurality of LEDs mounted on the supporting plate and a plurality of protruding blocks extending upwardly from a top face of the supporting plate. The protruding blocks have inclined faces oriented upwardly and outwardly away from the top face of the supporting plate. The LEDs includes a plurality of first LEDs disposed on a bottom face of the supporting plate and a plurality of second LEDs disposed on the inclined faces of the protruding blocks, whereby at least a portion of light generated from the second LEDs projects towards a lateral side of the LED lamp.06-09-2011
20110133621ROTATING WHEEL ELECTRODE DEVICE FOR GAS DISCHARGE SOURCES COMPRISING WHEEL COVER FOR HIGH POWER OPERATION - The present invention relates to an electrode device (06-09-2011
20110140587Multi-facet light source LED lamp - The present invention relates to a multi-facet light source LED lamp, comprising the lamp cap, lamp base, circuit board, conductive pin and a plurality of LED conducting brackets; the main improvements including: the circuit board may be welded with more than two sets of LED conducting brackets, forming a single lamp with a plurality of light sources; furthermore, the center of the upper end of the outer LED conducting brackets is designed toward the taper angle surface, making the outer chips generating a upward taper surface coalescence center and emit light intensively to the conducting brackets; and through the staggered radiators at the bottom of the conducting brackets, the heat of the chips at the top is transferred rapidly downward to the doubled area of contact surface of radiators so that the heat is diffused rapidly.06-16-2011
20110074270LIGHTING DEVICE HAVING HEAT DISSIPATION ELEMENT - 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.03-31-2011
20100171403LED LAMP - An LED lamp includes a base, at least first and second heat sinks, and at least first and second LED modules. The first heat sink includes a first heat absorbing surface and a first mounting surface which is mounted to the base, and defines axially a first through hole. The second heat sink includes a second heat absorbing surface and a second mounting surface which is mounted to the base. The second heat sink is received in the first through hole of the first heat sink. The second heat sink has a height greater than a height of the first heat sink whereby the second heat absorbing surface extends out of the first heat sink. The first and second LED modules are mounted on the first and second heat absorbing surfaces, respectively.07-08-2010
20090261706LED Replacement Light Tube for Fluorescent Light Fixture - The present invention relates generally to electrical lighting devices and systems, and more particularly to a light tube replacement for use with fluorescent light fixtures. The replacement light tube comprises a series of light emitting diodes (LEDs) and a heat sink therefore incorporated adjacent a clear or translucent cover configured for installation in a conventional fluorescent light fixture. The present LED replacement light includes suitable light directing and/or diffusing means and compatible connector pins and electrical componentry as required for installation and operation in an existing fluorescent light circuit. Alternatively, the replacement light may utilize conventional 110-115 volt alternating current or backup battery power as the electrical power source. Preferably, the light cover and the heat sink surrounding the LEDs when assembled together have a substantially cylindrical shape to be easily recognizable as a fluorescent light tube replacement and to effectively appear as a fluorescent light tube when installed in a fixture.10-22-2009
20110298351ILLUMINATION APPARATUS - Various exemplary embodiments of an illumination apparatus are disclosed. One exemplary embodiment of the illumination apparatus may include: a socket; a cylindrical body having one end connected to the socket, the cylindrical body comprising an inner space for receiving a driving circuit and a wire; a cap connected to the other end of the cylindrical body, the cap comprising a plurality of engaging members disposed around a circumference of the cap with an equal interval; a hinge portion comprising a plurality of hinges for rotationally connecting the plurality of engaging members; a light source portion comprising a plurality of light modules, each of the plurality of light modules comprising a plurality of light emitting devices arranged therein, each of the plurality of light modules being configured to rotate with the hinge portion in a first direction with respect to a respective one of the plurality of engaging members via the hinge; and a heat dissipater having a plurality of heat dissipation plates, each of the het dissipation plates being in contact with a bottom portion of the respective light module.12-08-2011
20090206718LED lamp module - The present invention provides a LED lamp module including a metal base, a flexible board mounted on the metal base and having a through hole, a surface mounted type LED lamp including a ceramic package having a projection portion on a back of the ceramic package, a LED chip mounted on the ceramic package, and a light output surface. The projection part is thermally connected with the metal base through the through hole, and the LED lamp is electrically connected with the flexible board through an electric conductive member at a portion other than the projection portion. The LED lamp module includes a cover covering a part of the LED lamp other than the light output surface and the flexible board and pressing the LED lamp08-20-2009
20120112618ORGANIC ELECTROLUMINESCENCE ILLUMINATING DEVICE AND METHOD FOR MANUFACTURING THE SAME - An organic electroluminescence illuminating device (L) has a structure in which an organic electroluminescence element (05-10-2012
20120112617LED LIGHTING ASSEMBLY - A LED lighting assembly includes a substrate defining a body and a central hole surrounded by the body, a conductive mass positioned in the central hole of the substrate, a LED chip defining a bottom attached to the conductive mass, and a shell mounted on the body and forming a room together with the body.05-10-2012
20120112616STRUCTURE OF HEAT DISSIPATING SHEET FOR PLASMA DISPLAY PANEL - Disclosed is a structure of a heat dissipating sheet for a plasma display panel. A heat dissipating sheet is interposed between a panel and a chassis base. Since the uppermost layer has a hollow structure with one or more hollow(s), the panel has a uniform temperature distribution and heat may be quickly dissipated from the panel.05-10-2012
20120112615LED LAMP - A lamp having a substantially hollow columnar body. A plurality of light emitting diodes are disposed on the columnar body. A plurality of fins are also disposed on the columnar body. A base member is included at a first end of the columnar body and provides a means for electrical connection. An electronics module is included within the columnar body communication with the base member for converting AC current to DC current.05-10-2012
20120112614LIGHTING DEVICE WITH SPATIALLY SEGREGATED PRIMARY AND SECONDARY EMITTERS - A lighting device includes at least one first electrically activated emitter, at least one lumiphor support element comprising a lumiphoric material spatially segregated from the first electrically activated emitter and arranged to receive at least a portion of emissions from the first electrically activated emitter, and at least one second electrically activated emitter disposed on or adjacent to the at least one lumiphor support element. First and second electrically activated emitters having different peak wavelengths may be in conductive with first and second device-scale heat sinks, respectively.05-10-2012
20110156567LAMP AND LAMP HOLDER MODULE THEREOF - A lamp includes a lamp holder module and light-emitting module disposed in the lamp holder module. The lamp holder module includes a body, a pressing mechanism disposed on the body, and an upper cover engaging removably the body. The light-emitting module is placed on the body and is pressed into position through the pressing mechanism. The pressing mechanism is operable to release the light-emitting module, thereby facilitating removal and installation of the light-emitting module. The upper cover serves as a lens of the light-emitting module and covers the light-emitting module.06-30-2011
20120032575PHOTOPOLYMERIZATION DEVICE - The present invention provides a photopolymerization device which allows a space irradiated with a light to have a high temperature while inhibiting a temperature rise of a light source used for the space.02-09-2012
20110285267SOLID-STATE LIGHT BULB HAVING AN ION WIND FAN AND A HEAT PIPE - An ion wind fan can be incorporated into a solid-state lighting device to thermally manage the lighting device. In one embodiment, the lighting device has the approximate shape of an A-series light bulb and an A-series light bulb and includes a bulb body, a bulb cover coupled to the bulb body defining a bulb cavity and one or more light emitting diodes (LEDs) located inside the bulb cavity. The lighting device further includes a heat pipe to transfer heat from the one or more LEDs to one or more heat sinks, and an ion wind fan to generate an airflow in impinging on the one or more heat sinks.11-24-2011
20110298352LED LAMP AND METHODS OF MANUFACTURING THE SAME - A light emitting diode (LED) lamp includes one or more light emitting diodes (LEDs). The one or more LEDs are mounted directly on a metallic base and a circuit associated with the one or more LEDs is embedded in the metallic base. The metallic base is copper, aluminium, or a thermally conductive material that is plated with a metallic plating. The metallic base is attached directly, by metal-to-metal contact, to a metallic heat sink. The one or more LEDs, the metallic base and the heat sink, are disposed inside a housing.12-08-2011
20110298350LIGHTING DEVICE WITH REVERSE TAPERED HEATSINK - A solid state lighting devices includes a heatsink having a first end arranged proximate to a base end, and a second end arranged between the first end and a solid state emitter, wherein at least a portion of the heatsink is wider at point intermediate the first end and the second end than the width of the heatsink at the second end. Such reverse angled heatsink reduces obstruction of light. A heatsink may include multiple fins and a heatpipe.12-08-2011
20110291542LED BULB - An LED bulb includes a connector for electrically connecting with a power supply, a heat sink disposed on the connector, and a plurality of LEDs mounted the heat sink. The heat sink includes a base, a tube extending downwardly from a first face of the base, and a plurality of fins extending outwardly from an outer circumference of the tube. The LEDs are attached on a second face of the base. The base defines a plurality of through tunnels extending through the base from the first face to the second face of the base.12-01-2011
20110163649Lighting Apparatus - An object is to provide a lighting apparatus the cost of which is low, which is excellent in terms of heat dissipation capacity, and which does not make a human get burned even in the case where the human directly touches the lighting apparatus.07-07-2011
20110285268LIGHT-EMITTING DEVICE - A light-emitting device for increasing light-emitting efficiency by destroying total reflection includes a substrate unit, a light-emitting unit, a strip light-guiding unit and a cover unit. The light-emitting unit has a plurality of light-emitting modules disposed on the substrate unit. The strip light-guiding unit has a plurality of strip light-guiding elements corresponding to the light-emitting modules and a plurality of strip reflective elements respectively disposed on the strip light-guiding elements. Each strip light-guiding element has a light-inputting surface facing each light-emitting module, a reflective surface and a light-outputting surface, each strip reflective element is disposed on the reflective surface of each strip light-guiding element, and the light-outputting surface is a rough surface for destroying total reflection. The cover unit has a light-permitting cover coupled with the substrate unit for selectively covering the light-emitting unit and the strip light-guiding unit.11-24-2011
20120098403HEAT DISSIPATING DEVICE FOR LIGHTINGS - 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 centre of the heat sink. Thereby, the channels of the heat sink can effectively direct the airflow into the centre of the heat sink, enhancing the heat dissipating effect of the heat sink.04-26-2012
20120098402LED BULB - An LED bulb includes: a circuit board having opposite first and second surfaces; a plurality of LEDs disposed on the first surface; and a heat dissipating structure having a heat dissipating board, wherein the heat dissipating board has opposite third and fourth surfaces, the third surface is attached to the second surface of the circuit board, and a plurality of heat dissipating bumps is disposed on the fourth surface and gradually decreases in length from the center toward the periphery of the fourth surface to thereby facilitate air convection around the heat dissipating bumps, thus improving the overall heat dissipating efficiency so as to increase the light emitting efficiency and lifetime of the LED bulb.04-26-2012
20120098399LIGHT-EMITTING DIODE LAMP - An LED lamp having a heat-dissipating mechanism has a top casing, a heat-conducting tube and a bottom casing. The top casing has a foundation board, a lamp holder and multiple fins. The foundation board has a first tube guide formed around and protruding downwardly from a perimeter of the foundation board and is made of a metal material. The lamp holder is hollow and centrally mounted through the top casing, and has a second tube guide formed on a bottom thereof. The fins are radially formed on a top of the foundation board and around the lamp holder. The heat-conducting tube is mounted against one side of the first tube guide and within the second tube guide. The bottom casing is securely combined with the top casing. Besides the fins, the heat-conducting tube enlarges the contact area with the top casing, thereby enhancing the heat-dissipating efficiency.04-26-2012
20120286641Light-Emitting Module with Cooling Function - A light-emitting module with cooling function includes a heat sink, a light-emitting element and a fitting member. The heat sink has a coupling face and at least one first assembling portion. The light-emitting element is coupled with the coupling face of the heat sink. The fitting member includes at least one positioning portion having at least one second assembling portion, wherein the at least one second assembling portion is coupled with the at least one first assembling portion of the heat sink to position the light-emitting element between the at least one positioning portion and the heat sink.11-15-2012
20110198978TOUCH-SAFE SOLID-STATE LIGHT BULB HAVING ION WIND FAN - A solid-state light bulb using an ion wind fan and a heat sink for thermal management can electrically isolate the heat sink to make it touch-safe. In one embodiment, the present invention includes a bulb housing, at least a portion of which is made of a dielectric material and a lens made of a dielectric material, wherein the lens and the bulb together define the inside and outside of the bulb. A heat sink and an ion wind fan providing forced convection for the heat sink thermally manage the solid-state light devices in the bulb. In one embodiment, the outside of the bulb is electrically isolated from the heat sink located inside of the bulb by at least the portion of the bulb housing that is made of the dielectric material.08-18-2011
20100264798LIGHT EMITTING DIODE LAMP - A light emitting diode lamp includes a light emitting diode and a circuit board having a circuit layer and a heat conductive layer. The circuit layer includes at least one mounting area having a first electrode, a second electrode and a heat conductive section spaced from each other. A heat conductive pole is provided corresponding to the heat conductive section. Two opposite ends of the heat conductive pole are thermally attached to the light emitting diode and the heat conductive layer of the circuit board, respectively. A spacing between the heat conductive section and each of the first electrode and the second electrode ranges from 0.7 millimeter to 1.45 millimeters.10-21-2010
20100033071THERMAL MANAGEMENT OF LED ILLUMINATION DEVICES WITH SYNTHETIC JET EJECTORS - An illumination device (b02-11-2010
20110215698LED LAMP WITH ACTIVE COOLING ELEMENT - 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.09-08-2011
20110260598LED LAMP TUBE - An LED lamp tube comprises a heat-dissipating ring, presented as an annulus having a ring base, an inner ring plate, and an outer ring plate; a transparent ring, an inner edge thereof being bonded to the inner ring plate of the heat-dissipating ring, and an outer edge thereof being bonded to the outer ring plate of the heat-dissipating ring; and an LED emitter including at least two circuit substrates connected to each other to form a ring, LED dies bonded to each of the circuit substrates, transformers, and a connection terminal, the LED emitter being further bonded between the heat-dissipating ring and the transparent ring. Thereby, the objectives of shape diversity, material saving for circuit substrates, heat-dissipation enhancement, and easy replacement of lamp tubes may be achieved by the LED lamp tube of the present invention.10-27-2011
20110266938LAMP STRUCTURE - A lamp structure includes a transparent cap, a lamp housing, a ring section, a separating pad, and a lamp board. The lamp housing has heat dissipating fins annularly arranged around the lamp housing. An end of each of the heat dissipating fins adjacent to the transparent cap has a groove, and the transparent cap covers the top of the groove. The ring section connects the end of each of the heat dissipating fins adjacent to the transparent cap. The separating pad is disposed on the bottom of the groove and extends along a sidewall of the groove to a region below the transparent cap to form a separating wall. The lamp board having light emitting diode devices is disposed in a containing space between the transparent cap and the separating pad to preclude damages caused by electrostatic discharge.11-03-2011
20110169394TRANSPARENT THERMALLY CONDUCTIVE POLYMER COMPOSITES FOR LIGHT SOURCE THERMAL MANAGEMENT - A light emitting apparatus is provided. The light emitting apparatus includes a light transmissive envelope, a light source being in thermal communication with a heat sink, and a plurality of heat fins in thermal communication with the heat sink and extending in a direction such that the heat tins are adjacent the light transmissive envelope. The plurality of heat fins comprises a carbon nanotube filled polymer composite.07-14-2011
20080265736LED REFLECTIVE SPHERICAL LAMP - A LED reflective spherical lamp is disclosed. The spherical lamp comprises a transparent spherical lamp hood, a leading LED beam assembly, a linkage of the leading LED beam assembly, a heat dissipation block having good thermal conductivity and a securing base, characterized in that the leading LED beam assembly comprises a threaded connection tube, a converging lense and a conductive base board for mounting LED, and the threaded connection tube screws to a screw hole at the bottom of the transparent spherical lamp hood and the threaded connection tube extends into a tube opening of the lamp hood, overlappingly connecting the converging lense, the other end of the threaded tube is a peg tube wall for peggingly connection of a corresponding recess of the conductive base board such that the LED on the conductive base board face the converging lense, and the other end of the conductive base board mounting the LED is connected to the heat dissipation block, and then is secured with the securing base, thereby when LED is lighted, LED beams pass through the transparent lense into the lamp hood such that the entire lamp hood is lighted.10-30-2008
20090309473HEAT REMOVAL DESIGN FOR LED BULBS - An LED bulb having bulb-shaped shell and thermally conductive fluid or gel within the shell. The bulb includes at least one LED within the shell. The bulb includes at least one LED within the shell and a base. The base can be configured to fit within an electrical socket and can include a series of screw threads and a base pin, wherein the screw threads and base pin are dimensioned to be received within a standard electrical socket. Alternatively, the base can be configured to fit within a suitable electric socket.12-17-2009
20110187258SYSTEM FOR HEAT CONDUCTION BETWEEN TWO CONNECTABLE MEMBERS - A system for detachably connecting a first member (08-04-2011
20110062847Light Emitting Diode Lamp Structure - The present invention is a light emitting diode lamp structure, which comprises a heat dissipating plane, a light emitting housing and a base. The light emitting housing further comprises a casing and a first hollow region. The heat dissipating plane is partly covered by the casing and the rest of the heat dissipating plane is shown in the first hollow region. The part of the heat dissipating plane covered by the casing further includes a plurality of LEDs. The base is mounted with the light emitting housing and electrically engaged with the LEDs.03-17-2011
20090206719LAMP AND METHOD OF MANUFACTURING SAME - A lamp including a plurality of light emitting devices and heat sinks can be configured to dissipate heat generated by the plurality of light emitting devices. The heat sinks can be branched into a generally Y-shaped configuration as viewed in a section that includes a primary optical axis of the vehicle lamp. One of the light emitting devices is connected to one of the branched parts of the heat sinks. Another light emitting device is connected to the other branched part of the heat sinks.08-20-2009
20100090577TURBULENT FLOW COOLING FOR ELECTRONIC BALLAST - An apparatus for heat dissipation for a luminaire comprises an active heat transfer device and a thermally-conductive housing. The active heat transfer device causes turbulence in an ambient fluid. The thermally-conductive housing includes a cavity and a first end. The cavity is structured for an electronic ballast of the luminaire to be housed therein and thermally attached to an interior surface of the housing to allow the housing to absorb at least a portion of heat generated by the electronic ballast. The first end is structured for the active heat transfer device to be mountable to the first end of the housing. The housing further includes at least one thermally-conductive protrusion extending from an exterior surface of the housing and exposed to the turbulence in the ambient fluid to transfer at least a portion of the heat absorbed by the housing to the ambient fluid.04-15-2010
20120194055Heat-dissipating module and LED lamp having the same - A heat-dissipating module includes a plurality of cooling fins arranged radially, spaced apart from each other, and connected annularly in a manner that a hollow core is formed centrally in the heat-dissipating module. The cooling fins each bend at a preset position thereof and in a first direction, such that the cooling fins each include a first flap and a second flap. The first flap and the second flap together form a preset included angle therebetween.08-02-2012
20090295264LED LAMP PROVIDED WITH BLOWER - An LED lamp includes a plurality of light-emitting diodes, a blower for cooling the light-emitting diodes, and a tubular member for accommodating the light-emitting diodes and the blower. The tubular member is provided with an air inlet and an air outlet spaced from each other. The blower is an electric micro-fan for example, and adapted to generate an air flow from the air inlet toward the air outlet in the tubular member.12-03-2009
20090009047Display Device - The present invention provides a display apparatus that can achieve high durability by making the most of the function of the exhaust fans to effectively suppress the rise of the temperature. The display apparatus comprises a display panel for displaying images, a rear case covering a rear side of the display panel, and an exhaust fan disposed within the rear case, wherein the rear case includes a first air-hole area and a second air-hole area each provided with a plurality of air holes, the first air-hole area is located at a higher level than the second air-hole area with respect to a vertical direction with a spacing therebetween, and at least partially faces the exhaust fan, and an area surrounded by the first air-hole area, the second air-hole area and external common tangents thereof is a shielded area in which no air hole is provided.01-08-2009
20090261707LED ILLUMINATION DEVICE - An LED illumination device includes an optical section disposed at a bottom end of the LED illumination device, and in which a light source is provided. A heat dissipation section located adjacent to the optical section includes a plurality of fins thermally contacting the light source. The electrical section is disposed at a top end of the LED illumination device and electrically connects with the light source. The heat dissipation section is disposed between the optical section and the electrical section. The electrical section defines a plurality of air exchanges communicating the inside of the electrical section with the heat dissipation section and a plurality of exhaust ports communicating the inside of the electrical section with an external environment of the LED illumination device.10-22-2009
20110198979Illumination Source with Reduced Inner Core Size - A illumination source includes a LED assembly and an MR-16 form factor heat sink coupled to the LED assembly. The MR-16 form factor heat sink has an inner core region and an outer core region with the LED assembly disposed upon the inner core region, and the outer core region providing a heat sink.08-18-2011
20100102697LIGHTING DEVICE WHICH INCLUDES ONE OR MORE SOLID STATE LIGHT EMITTING DEVICE - There is provided a lighting device which comprises at least one solid state light emitter and a substantially transparent heat sink. The heat sink and the solid state light emitter are positioned and oriented relative to one another such that if the solid state light emitter is illuminated, light emitted by the solid state light emitter which exits the lighting device passes through at least a portion of the heat sink. Also, there is provided a lighting device which comprises at least one solid state light emitter and means for extracting heat from the solid state light emitter.04-29-2010
20090167134LIGHT SOURCE MODULE WITH HIGH HEAT-DISSIPATION EFFICIENCY - An exemplary embodiment of a light source module includes a thermoelectric cooler, many LED chips, and a circuit layer. The thermoelectric cooler includes a first heat-conducting dielectric plate, a second heat-conducting dielectric plate opposite to the first heat-conducting dielectric plate, and a number of thermoelectric elements located between the first heat-conducting dielectric plate and the second heat-conducting dielectric plate. The thermoelectric elements are connected with each other. The LED chips and the circuit layer are formed on the first heat-conducting dielectric plate and facing away from the second heat-conducting dielectric plate, and the LED chips are electrically connected to the circuit layer.07-02-2009
20120293058LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF - It is an object of the present invention to provide a light-emitting device having a composition capable of reducing a film thickness of a heat conducting member.11-22-2012
20100295436LAMP - A lamp includes a housing, a heat sink, a light emitter, a fan and a blocking ring. The housing has an air inlet portion and an air outlet portion formed in a wall of the housing. The heat sink includes a base plate and a plurality of fins surrounding the base plate to define a compartment. Each of the fins have a first end facing the air inlet portion of the housing and a second end connecting with the base plate. The light emitter is fixed to the base plate of the heat sink. The fan is fixed inside the compartment of the heat sink. The blocking ring is mounted between the air inlet portion and the heat sink. Accordingly, the blocking ring blocks part of the heated airflow from flowing back to the air inlet portion and turbulence is avoided effectively. Therefore, the airflow inside the housing can flow smoothly through the air outlet to transfer heat to the environment and heat dissipating efficiency is enhanced.11-25-2010
20100264800LED LAMP - An LED lamp includes a hollow lamp housing, a front optical part, a rear electrical part, and a middle heat dissipation part. The heat dissipation part includes a heat sink, a mounting seat in front of the heat sink, and a heat conducting member connecting the mounting seat with the heat sink. The lamp housing defines a plurality of air exchanging holes corresponding to the fins. The mounting seat includes a small top surface, an opposite large bottom surface, and a plurality of sloping heat absorbing surfaces between the top surface and the bottom surface. The optical part includes a plurality of light sources arranged on the heat absorbing surfaces, a light reflector located between the heat sink and the mounting seat and surrounding the heat conducting member, an optical lens located in front of the light reflector and the mounting seat.10-21-2010
20100264799LED LAMP - An LED lamp includes a hollow lamp housing, a front optical part, a rear electrical part provided with a circuit board, and a middle heat dissipation part. The heat dissipation part includes a heat sink, and a mounting seat located in front of and thermally connected to the heat sink. The lamp housing defines a plurality of air exchanging holes therein. The mounting seat is in the form of a polyhedron, and has a polyhedral rear end surface and a plurality of heat absorbing surface. The optical part includes a plurality of light sources respectively arranged on the heat absorbing surfaces, a light reflector located between the heat sink and the light sources, and an optical lens located in front of the light reflector. The heat absorbing surfaces extend forwardly from a peripheral edge of the rear end surface towards the optical lens and facing the optical lens.10-21-2010
20100201241THERMAL STORAGE SYSTEM USING ENCAPSULATED PHASE CHANGE MATERIALS IN LED LAMPS - A phase change material (PCM) is used as thermal storage for lighting systems. The PCM is placed in a thermally conductive container in close contact with the lighting system. As the PCM absorbs heat, it changes from a solid to a liquid state, but the temperature of the PCM is clamped at its melting point temperature. For LED-based systems, the PCM is selected to have a melting point such that the junction temperatures of the LEDs in the system are maintained at approximately their optimum operating temperature inside the lighting system housing. Because the thermal conductivity of the molten PCM is poor, a low thermal resistance heat flow path is provided from the PCM to the container.08-12-2010
20080258598Heat Exchange Enhancement - A heat exchange device that includes a structural section and a thin layer of material attached to a surface of the structural section. The thin layer of material has a thickness less than 100 microns. The combination of the structural section and the thin layer of material has a higher thermal transfer coefficient than the structural section alone, the thermal transfer coefficient representing an ability to exchange thermal energy with an ambient gas.10-23-2008
20110204764LAMP DEVICE - Disclosed is a lamp device. The lamp device includes:08-25-2011
20110204763Illumination Source with Direct Die Placement - An illumination source includes a heat sink with a planar inner core region and an outer core region having structures to dissipate heat from the inner core region. An LED assembly is affixed to the planar substrate and an adhesive layer between the planar substrate and the planar inner core region conducts heat from the LED assembly to the inner core region.08-25-2011
20120139403SOLID STATE LIGHT WITH OPTICAL GUIDE AND INTEGRATED THERMAL GUIDE - A solid state light having a solid state light source such as LEDs, an optical guide, and a thermal guide. The optical guide is coupled to the light source for receiving and distributing light from the light source, and the thermal guide is integrated with the optical guide for providing thermal conduction from the solid state light source and dissipating heat through convection and radiation for cooling the light. The optical guide can be tapered to enhance the efficiency of light distribution. The thermal guide can have an external shell connected with internal fins, and the external shell can have a reflective coating to provide for a back reflector behind the optical guide.06-07-2012
20110221324LIGHT EMITTING DIODE (LED) LAMP - A light emitting diode (LED) lamp includes a standardized connector; an LED module; a heat dissipating module; an angle adjusting ring; and an isolating ring. The LED module is electrically connected to the standardized connector and includes a circuit board and at least one LED unit electrically connected to the circuit board. The heat dissipating module is for preventing the LED module from overheating and includes at least one heat pipe on which the LED unit is disposed, a rear heat dissipating shield, a piston module, a transmission module, a heat dissipating fan, and a convection fan. The angle adjusting ring is disposed between the LED module and the standardized connector for rotating the LED module so as to change a light emitting direction of the LED module. The isolating ring is used to avoid the electrical connection of the angle adjusting ring and the standardized connector.09-15-2011
20090146540DISCHARGE LAMP OF THE SHORT ARC TYPE AND A LIGHT SOURCE DEVICE HAVING THE DISCHARGE LAMP OF THE SHORT ARC TYPE - A discharge lamp of the short arc type has a bulb with an arc tube and sealing tubes extending at opposite sides of the arc tube and which contains a discharge gas and a pair of opposed electrodes supported on lead pins which protrude from the outer end of the sealing tubes, the lead pins being affixed to graded glass in the sealing tube. A cooling fin surrounds the outer surface of one of the sealing tubes; and is formed of a pair of plate-shaped bodies each of which has a curved portion that contacts an outer surface of the sealing tube a strip-shaped portion extending radially from each of opposite edges of the curved portion. The strip-shaped portions of the plate-shaped bodies positionally overlap, and cooling openings are formed in the strip-shaped portions of only one of the plate-shaped bodies. Preferably, a gap is formed between the plate-shaped bodies.06-11-2009
20090015125Heat Exchange Enhancement - A heat exchange structure includes elongated air ducts. Each air duct has a first opening and a second opening at two ends of the air duct to allow air to enter and exit the air duct, respectively. The heat exchange structure includes an exterior heat exchange surface and interior heat exchange surfaces, in which the exterior heat exchange surface is configured to receive thermal energy from heat generators that are mounted on the exterior heat exchange surface, and the exterior heat exchange surface dissipates a portion of the thermal energy received from the heat generators and transfers another portion of the thermal energy to the interior heat exchange surfaces. The interior heat exchange surfaces are in the elongated air ducts and configured to exchange thermal energy with air flowing in the air ducts, enhancing air flow in the air ducts by buoyancy of heated air.01-15-2009
20110221323LED PROJECTOR LAMP WITH IMPROVED STRUCTURE OF RADIATION FINS - An LED projector lamp includes a heat sink base holding a light source at the bottom side thereof; radiation fins radially arranged around the heat sink base, each radiation fin having one or multiple light shades that surround the periphery of the heat sink base to prevent light leakage and access of flies and vermin to the inside of the heat sink base and increase heat dissipation surface area; and an electric connector affixed to the radiation fins at the top and electrically connected with the light source at the heat sink base.09-15-2011
20110221322BULB-TYPE LED LAMP AND COOLING STRUCTURE THEREOF - A bulb-type LED lamp bulb-type LED lamp includes a cooling structure, an LED module, a transparent shade and a lamp head. The cooling structure includes a thermally conductive plate and a plurality of cooling fins configured by being bended upwardly from a periphery of the thermally conductive plate, and each cooling fins are disposed by being interspaced to each other. The LED module is attached onto a bottom face of the thermally conductive plate. The transparent shade covers the LED module correspondingly and is connected fixedly to the thermally conductive plate. The lamp head is fitted and connected to each cooling fin and electrically connected to the LED module. Thereby, the thermal convection is enhanced and the cooling efficiency is further promoted.09-15-2011
20110140586LED Bulb with Heat Sink - An LED bulb with heat sink has a bulb cup that connects to external electrical power, a power supply in the bulb cup, a heat sink, an LED light source, and a bulb cover. The components are linearly connected from top to the bottom to form the complete LED bulb. The bulb has a heat sink diameter wider than the bulb cup diameter. Also, it is wider than the bulb cover diameter, and the heat sink has flat fins. The center part of the heat sink is made of metal and has extended fins to dissipate heat. The diameter of the heat sink is wider than thick, and it is flat shaped. The metal part in the center of the heat sink is flush with the fins having the same height. The fin thickness is preferably between 0.1˜2 mm.06-16-2011
20110140588LAMP DEVICE OF HIGH HEAT DISSIPATION EFFICIENCY - A lamp device comprises a lamp seat, having a body; a heat installed at an upper end of the body for electrically connecting to an external power source; an electric joint extending from the head; and a connecting shaft extending downwards; and a heat dissipation assembly including: a heat dissipating mask having an axial hole; the connecting shaft passing through the axial hole so that the heat dissipating mask is connected to the body; and the heat dissipating mask is rotatable; a conductive unit installed at an upper side of the heat dissipating mask; the conductive unit being electrically connected to the electric joint even the heat dissipating mask rotates with respect to the body; and a lamp set driven electrically and installed at a lower side of the heat dissipating mask; and the lamp set being retained to the conductive unit through the heat dissipating mask.06-16-2011
20090085454THERMAL MANGEMENT ARTICLE HAVING THERMAL WAVE GUIDE - An article includes a stack of display layers including a display layer having a high-shear modulus that is sandwiched between two display layers having a low-shear modulus. The display layers include a light-emitting device that generates heat and light during use. The heat generated by the display layers may form localized heat-sources in the stack. The display layer with the high-shear modulus is a thermal transport layer through which the localized heat-sources-induced guided elastic waves propagate along an acoustic waveguide plane and can transport the heat generated by the light-emitting device away from the light-emitting device. Alternately, a display layer having a high refractive index may be sandwiched between two display layers having a low refractive index. The display layers with low shear modulus or low refractive index may be replaced with thermal transport layers having low shear modulus or low refractive index respectively.04-02-2009
20130214666SOLID STATE LAMP WITH LIGHT DIRECTING OPTICS AND DIFFUSER - Lamps and bulbs are disclosed generally comprising different combinations and arrangements of a light source, a reflective optical element, and a separate diffusing layer. This arrangement allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni-directional emission pattern, even with a light source comprised of an arrangement of LEDs. The lamps according to the present invention can also comprise thermal management features that provide for efficient dissipation of heat from the LEDs, which in turn allows the LEDs to operate at lower temperatures. The lamps can also comprise optical elements to help change the emission pattern from the generally directional pattern of the LEDs to a more omni-directional pattern.08-22-2013
20100264797REFLECTION-TYPE LIGHT-EMITTING MODULE WITH HIGH HEAT-DISSIPATING AND HIGH LIGHT-GENERATING EFFICIENCY - A reflection-type light-emitting module with high heat-dissipating and high light-generating efficiency includes a reflection-type lampshade unit, a heat pipe unit and a light-emitting unit. The reflection-type lampshade unit has an open casing, a receiving space formed in the open casing, and a first reflective structure is disposed in the receiving space and on an inner surface of the open casing. The heat pipe unit is received in the receiving space and is disposed on the open casing. The light-emitting unit is disposed on the heat pipe unit, and the light-emitting unit has a light-emitting face facing the inner surface of the open casing.10-21-2010
20090243459DISCHARGE LAMP, IN PARTICULAR LOW PRESSURE DISCHARGE LAMP - The invention relates to a discharge lamp, in particular a low pressure discharge lamp, with a discharge vessel (10-01-2009
20100171404LED LAMP - An LED lamp includes a light-emitting module, an electrical module and an elongated heat dissipating member. The light-emitting module includes a light source provided with a plurality of LEDs. The electrical module includes a circuit board electrically connected with the LEDs of the light source and two end caps each forming a pair of electrical pins at an outer end thereof. The heat dissipating member is arranged between and connecting with the two end caps, the heat dissipating member is a hollow metal tube and includes a mounting portion and a heat dissipating plate extending from the mounting portion. The mounting portion and the heat dissipating plate cooperatively define an elongate chamber. The circuit board is accommodated in the chamber of the heat dissipating member. The light source is thermally attached to an outer surface of the mounting portion.07-08-2010
20120194054SOLID STATE LIGHT WITH OPTICAL DIFFUSER AND INTEGRATED THERMAL GUIDE - A solid state light having a solid state light source such as LEDs, an optical diffuser, and a thermal guide. The diffuser receives and distributes light from the light source, and the thermal guide is integrated with the optical diffuser for providing thermal conduction from the solid state light source and dissipating heat through convection and radiation for cooling the light. The interior surface of the optical diffuser can have extraction features for providing uniform distribution of light.08-02-2012
20100171405HIGH POWER LED MODULE ASSEMBLY AND METHOD FOR MANUFACTURING THE SAME - A high power LED module assembly may include at least one high power LED module each of which includes a MCPCB and a high power LED disposed on the MCPCB, a flex tube which includes a base engaging with each of the high power LED modules and a cover enclosing the base; wherein the high power LED module assembly further comprises at least one heat sink each of which is correspondingly connected to the bottom of each high power LED modules; and wherein the cover is engaged with the heat sink and encloses the base, the high power LED module and all other sides of the heat sink than the bottom side thereof which is exposed to ambient environment.07-08-2010
20100148652Solid state lighting - The present invention provides a solid-state lighting fixture and lamp for down light for use in applications especially in recessed lighting. In particular, the lamp of the subject invention may be configured as a direct screw-in replacement for common R-30 style incandescent flood lamp and it may be used existing luminaires. In one preferred embodiment of the present invention, a lamp mounted in a recessed light luminaire for down lighting has one or more light emitting diodes (LEDs) that are thermally coupled to a heat sink having fins for cooling by ambient air. The fins are configured so that air warmed by the fins can rise inside the luminaire and transfer its heat to it. Air cooled by the luminaire is allowed to sink and may flow out of the luminaire via a gap between the heat sink and the luminaire. Fresh cooler air may be drawn in between the fins to replace out-flowing air. This process of heating and cooling of air established a natural convection flow. Natural convective air flow allows for efficient thermal communication between the heat sink and the luminaire, thereby allowing for lower LED junction temperature and longer LED lifetime.06-17-2010
20100013368BULB-TYPE FLUORESCENT LAMP - A bulb-type fluorescent lamp using a helical luminous tube is provided. The bulb-type fluorescent lamp includes a plate to which an electrode-side end portion of the helical luminous tube is fixed; a housing having an end to which a base is joined and another end to which the plate is fixed in an opening side; an outer tube globe which is inserted and fixed in a gap between the housing and the plate in the opening side of the housing and houses the helical luminous tube; a projecting portion which is provided in an end portion of the helical luminous tube in the side opposite to electrodes and serves as a coldest-point part; a thermally conductive medium which thermally couples the projecting portion with the outer tube globe; and a retention portion which is provided in the projecting portion and, when the outer tube globe is broken along the plate circumferentially with respect to the opening, retains the outer tube globe, which is broken along the plate circumferentially with respect to the opening, via the thermally conductive medium.01-21-2010
20090315442Heat sink lamp and method for manufacturing a heat sink - The invention relates to a heat sink (12-24-2009
20100156262LUMINAIRE - A luminaire is specified with a printed circuit board having at least one light emitting diode, the printed circuit board having a cutout for engaging with a holding element, the cutout positioning the printed circuit board in a fashion locked against rotation with the holding element.06-24-2010
20100156261LIGHT EMITTING DIODE LAMP - A light emitting diode lamp includes a circuit board and a light emitting diode. The circuit board includes a circuit layer, a bonding layer and a heat conductive layer. The bonding layer is sandwiched between the circuit layer and the heat conductive layer. The light emitting diode is mounted on the circuit layer of the circuit board. The circuit board forms a heat conductive pole corresponding to the light emitting diode. The heat conductive pole extends through the circuit layer and bonding layer. Two ends of the heat conductive pole connect with a substrate of the light emitting diode and the heat conductive layer, respectively.06-24-2010
20100176706High Power LED Lamp - A high-power LED lamp, including: a shell, a light-emitting assembly, heat dissipating fins, the light-emitting assembly includes a reflective bowl, a LED and a lens, characterized in that, the heat dissipating fins are radially installed in the channel of the shell, the outer end of each heat dissipating fins is connected with the inner wall of the shell, with the inner end linked to the outer wall of a circular cylinder, all of the front end faces of the heat dissipating fins form a cone-shaped concave torus, the reflective bowl is provided on the cone-shaped concave torus; the axis of the circular cylinder coincides with the axis of the shell, the front end face of the circular cylinder is planar, and the LED and the lens are installed on the surface. Compared with the prior art, the radially fenced-shaped heat-dissipating fins communicating from the front to the rear are provided in the shell, which will be more conducive to the air ventilation around the heat-dissipating fins, as well as heat transfer, and remove the heat generated by the LED nodes in time to improve the effect of heat dissipation.07-15-2010
20100176705LIGHT OUTPUT DEVICE - A light output device comprises a substrate arrangement with a light source device integrated into the structure of the substrate arrangement. The substrate arrangement comprises first and second optically transmissive substrates, an insulating layer in which the light source device is embedded and provided between the substrates, and a thermally conductive layer provided on at least on of the substrates.07-15-2010
20100181888LIGHT EMITTING DIODE LAMP - 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.07-22-2010
20100187964LED Lighting Device - The present invention is a light generation device utilizing higher efficiency LED's while also allowing for interface with current lighting interfaces. The LED's are replaceable in the unit and may be interchanged with other LED's to affect lighting mood and style or simply for replacement in the event an LED ceases to function.07-29-2010
20100013366LAMP FIXTURE EMPLOYING SEMICONDUCTOR LIGHT SOURCES AS A SUBSTITUTE FOR A SEALED BEAM LAMP - A novel lamp fixture which employs semiconductor light sources and which is designed to replace or otherwise substitute for a conventional sealed beam incandescent or gas discharge fixture. Preferably, the semiconductor light sources are arranged in a combination of sub-assemblies, each of which is constructed to provide either spread light illumination or high intensity illumination for a desired illumination pattern.01-21-2010
20100181890LIGHTING DEVICE AND METHOD FOR MAKING THE SAME - A lighting device includes: at least one lighting module including a lead frame and a plurality of light emitting diodes packaged on the lead frame; an upper plate disposed on the lead frame, and having at least one perforated region formed with a plurality of through-holes for extension of the light emitting diodes therethrough, and at least two conductor regions respectively provided on two sides of the perforated region, the conductor regions being connected electrically to the lead frame; a heat sink disposed below the lead frame; and a plurality of fasteners fastening the lighting module to the upper plate and the heat sink such that the heat sink is in tight contact with bottom ends of the light emitting diodes.07-22-2010
20100181891Package Structure for Solid-State Lighting with Low Thermal Resistance - A package structure for solid-state lighting with low thermal resistance is revealed. A solid-state light is set on a circuit board with high thermal conductivity. A connection layer is used for binding the circuit board with high thermal conductivity and the heat sink substrate. A first attachment layer is set between the heat sink substrate and the connection layer; and a second attachment is set between the connection layer and the circuit board with high thermal conductivity. The connection layer is made of metals or metallic composite materials with high heat dissipation and low thermal expansion coefficients. Thereby, the thermal resistance is lower than the structures according to the prior art. In addition, the thermal stress produced between the heat sink substrate and the circuit board with high thermal conductivity can be buffered by the connection layer for increasing lifetime of the package structure according to the present invention.07-22-2010
20100187963Heat Sink for Passive Cooling of a Lamp - Various embodiments of heat sinks for passive cooling of lamps are provided. In an embodiment, a heat sink comprises a top end and a bottom end that is opposite the top end along a body axis of the heat sink, an airflow passageway formed through the heat sink, an internal surface that defines the airflow passageway, and an external surface. The airflow passageway extends in general alignment with the body axis from substantially the top end of the heat sink to substantially the bottom end of the heat sink, and the airflow passageway comprises at least one airflow opening located substantially at the top end of the heat sink and at least one airflow opening located substantially at the bottom end of the heat sink.07-29-2010
20120032574STRUCTURE OF LED (LIGHT-EMITTING DIODE) LIGHTING BULB - A structure of LED (Light-Emitting Diode) lighting bulb has a fin base, a pillar, a circuit board, an electrical connector, and a cover. The fin base forms a bore extending through a central portion and the bore has an inner circumferential surface forming an internal thread. The pillar has an outer circumferential surface forming an external thread, and the pillar is received and retained in the bore through threading engagement. The circuit board is mounted to an end of the pillar, and the circuit board carries an LED and conductor wires. The electrical connector is recessed to form a hollow configuration having an inside surface forming threading, and is coupled to the pillar through threading engagement while electrically connected to the conductor wires. The cover is mounted to the fin base. The mounting arrangement of the pillar and circuit board facilitates replacement of the circuit board and maintenance.02-09-2012
20130214665Lamp Apparatus and Luminaire - 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.08-22-2013
20100207501LIGHTING DEVICE AND METHOD OF COOLING A LIGHTING DEVICE - The invention relates to a light device comprising a light source (08-19-2010
20100237760LED Based Lamp - A lamp comprises: a thermally conductive body; a plurality of LEDs configured as an array and mounted in thermal communication with the body and a light reflective hood located in front of the plane of light emitting diodes. The hood has at least two frustoconical light reflective surfaces that surround the array of LEDs and are configured such that in operation light emitted by the lamp is within a selected emission angle (beam spread). The hood is configured such that in operation a variation in illuminance (luminous flux per unit area incident on a surface) is 10% or less over approximately a third to one half of the selected emission angle.09-23-2010
20100225218Lighting Device - The lighting device in accordance with the present invention comprises a base, at least one ruminant and an electronic module. The base is a lamp connector and comprises a contact and an insulated cap. The at least one luminant is mounted on the base. The electronic module drives the at least one luminant, is mounted on the base and is connected electrically to the base.09-09-2010
20100219736METHOD AND APPARATUS FOR USING LIGHT EMITTING DIODES - The present invention provides a method and apparatus for using light emitting diodes for curing and various solid state lighting applications. The method includes a novel method for cooling the light emitting diodes and mounting the same on heat pipe in a manner which delivers ultra high power in UV, visible and IR regions. Furthermore, the unique LED packaging technology of the present invention utilizes heat pipes that perform very efficiently in very compact space. Much more closely spaced LEDs operating at higher power levels and brightness are possible because the thermal energy is transported in an axial direction down the heat pipe and away from the light-emitting direction rather than a radial direction in nearly the same plane as the “p-n” junction.09-02-2010
20110234078LIGHTING DEVICE - Disclosed is a lighting device. The lighting device includes: 09-29-2011
20100225220LIGHT EMITTING ELEMENT LAMP AND LIGHTING EQUIPMENT - An object of the present invention is to provide a light emitting element lamp and a lighting equipment effectively suppressing a temperature rising of a substrate on which a light emitting element is mounted by using a reflector. The present invention provides a light emitting element lamp 09-09-2010
20100225219LED Lamp System Utilizing A Hollow Liquid-Cooled Device - A LED lamp system including an electric linker, a heat conducting liquid, a hollow cooling system with an outer surface, a hollow chamber through which a heat dissipation liquid is located, and a hollow cavity separate from the hollow chamber, at least one LED, an interface connected to the hollow cooling system and to the at least one LED, and a power supply connected between the electric linker and the interface.09-09-2010
20100237761LAMP HAVING OUTER SHELL TO RADIATE HEAT OF LIGHT SOURCE - 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.09-23-2010
20110057552HEAT REMOVAL SYSTEM AND METHOD FOR LIGHT EMITTING DIODE LIGHTING APPARATUS - 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. In one embodiment, the lighting apparatus can be installed in a recessed can in which incoming and outgoing flows of a stack-effect airflow are separated. Methods for removing heat from a light emitting diode are also described.03-10-2011
20110057551HEAT DISSIPATING DEVICE FOR LIGHTINGS - 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 centre of the heat sink. Thereby, the channels of the heat sink can effectively direct the airflow into the centre of the heat sink, enhancing the heat dissipating effect of the heat sink.03-10-2011
20100207502LED Light Bulbs for Space Lighting - The invention discloses a three dimensional LED arrangement and heat management method using a heat transfer or conduction pipe to enable rapid heat transfer from a three dimensional cluster of LEDs to a heatsink with or without active cooling, the light emitted from the three dimensional cluster not being obstructed by a heat sink arrangement such that the light beam profile generated by the light appears similar to that generated by traditional incandescent bulbs.08-19-2010
20100013367COOLING SYSTEM OF LED LIGHT USING HEAT OF VAPORIZATION AND LED LIGHT INCLUDING THE SAME - A cooling system of an LED light employs a dehumidifying agent absorbing moisture in the air while the LED light is turned off, and dissipates heat from the LED light using heat of vaporization by vaporization of the moisture by heat from the LED light when the LED light is turned on. The system includes an LED module, a thermal sheet, a heat pipe, a heat sink, and a dehumidifying sheet. The LED module includes a PCB and multiple LEDs, and the thermal sheet is disposed on the LED module. The heat pipe of a cornered U-shape has a circular cross section and is coupled to a connector on the thermal sheet. The heat pipe has a horizontal section contacting an upper side of the thermal sheet and a vertical section protruding to the connector. The dehumidifying agent is disposed on the heat sink inserted into the heat pipe.01-21-2010
20100295438Semiconductor Light Source Having a Primary Radiation Source and a Luminescence Conversion Element - A semiconductor light source is provided, the semiconductor light source having a primary radiation source (11-25-2010
20100295437HEAT DISSIPATION STRUCTURE OF A LED LIGHT - Heat dissipation structure of a LED light is disclosed. The heat dissipation structure comprises a securing plate, and a plurality of heat conductive elements. The securing plate is provided with a plurality of first connection holes for the connection by insertion of the LED legs, and a plurality of second connection holes for the connection by insertion of heat dissipation elements, and a plurality of third connection holes in parallel and corresponding to the second connection holes, such that the first and second connection holes are mutually connected by conductive layer. The third connection holes are provided with independent conductive layer such that when the LED is mounted onto the first connection holes and the second and third connection holes are connected with heat conductive elements, the legs of the LEDs are soldered to the conductive layer forming into a LED light.11-25-2010
20100295439PAR38-COMPATIBLE SPOT/FLOOD LIGHT WITH LEDS - A low voltage spot light for use as substitute for a mains voltage PAR38 reflector lamp which comprises a chamber for LED clusters with reflectors and an enclosure for an electronic power supply to step down the incoming mains voltage. The LED clusters are mounted in the central area of the heat sink within the chamber and are accessible via a removable window. The LED chamber is weatherproof ventilated to prevent condensation. The spotlight is designed for outdoor use in conjunction with the PAR38 style weather proof lamp holder but can be operated indoors from any standard E 27 lamp holder.11-25-2010
20100301727PHOSPHOR-CONTAINING LED LIGHT BULB - An LED bulb, which includes a shell, a filler material within the shell of the bulb, at least one type of phosphor dispersed inside the filler material and at least one LED within the shell.12-02-2010
20100301729SCREW-IN LED BULB - An LED-based light can include a highly thermally conductive base having multiple radially outward projecting nodes. The nodes can be spaced apart in an axial and circumferential directions of the base. An electrical connector and at least one LED can be attached to the base, and a light transmitting bulb can be attached to the base and can cover the at least one LED. The geometry of the base can promote heat dissipation, which can allow the at least one LED to use enough power to produce an amount of luminosity that allows the LED-based light to replicate, for example, an incandescent light without overheating.12-02-2010
20100301726LIGHT SOURCE WITH OPTICS TO PRODUCE A SPHERICAL EMISSION PATTERN - A light emitting apparatus includes a substrate, a plurality of solid state light emitting cells having a planar arrangement on the substrate, and one or more reflectors arranged with the solid state light emitting cells so that light emitted from the light source has a substantially spherical emission pattern.12-02-2010
20110121703THERMAL MANAGEMENT SYSTEMS FOR LIGHT EMITTING DEVICES AND SYSTEMS - One or more embodiments presented herein include a light emitting system and/or device that can include a thermal management system. The thermal management system can provide for transport and/or dissipation of heat generated by a light emitting device.05-26-2011
20110169391LED LAMP - An LED lamp includes a heat sink including a supporting plate, a plurality of LEDs mounted on the supporting plate and a heat-conducting mounting wall extending upwardly from a top face of the supporting plate. The heat-conducting mounting wall has inclined outer faces oriented upwardly. The LEDs includes a plurality of first LEDs disposed on a bottom face of the supporting plate and a plurality of second LEDs disposed on the inclined outer faces of the heat-conducting mounting wall, whereby light generated from the second LEDs projects towards a lateral side of the LED lamp.07-14-2011
20110169393ELECTRO-OPTICAL DEVICE - An electro-optical device includes: a supporting unit that includes a first heat release member; a second heat release member that is provided at both of two sides with respect to the supporting unit, at least a part of the second heat release member being in contact with the first heat release member; an electro-optical panel that is provided at both of the two sides with respect to the supporting unit in such a manner that at least a part of a surface of the electro-optical panel opposite to a surface thereof from which light is emitted is in contact with a surface of the second heat release member; and a transparent film sheet that covers the surface of the electro-optical panel from which light is emitted.07-14-2011
20110169392LED PROJECTION LAMP - A light emitting diode (LED) projection lamp includes a lamp body and a plurality of LEDs. The lamp body includes an inverted conical shaped external cover, an electric contact base formed at the tip of the external cover, and a plurality of protrusions arranged on an internal wall of the external cover with a circular distribution, and each protrusion has at least one fixing surface. The LEDs are installed separately on each fixing surface, and an inclination is formed between lights emitted by the LEDs and a projection plane for reducing reflective lights, and the LEDs are electrically coupled to the electric contact base, such that heat produced by using the LEDs is conducted directly to the external cover for its dissipation to improve the heat dissipating efficiency and lifespan of the lamp, and the angular arrangement of the LEDs also improves the saturation and reflection of the light.07-14-2011
20100219735LIGHTING DEVICE AND LIGHTING FIXTURE - A lighting device and a lighting fixture of the embodiment of the present invention comprises a thermally conductive main body having a substrate support portion in one end portion, and having a through-hole and a groove portion formed in the substrate support portion, the through-hole penetrating from the one end portion to the other end portion of the main body, the groove portion extending continuously from the through-hole, a substrate mounted with a semiconductor light-emitting device, and disposed on the substrate support portion, an electrical connector connected to the semiconductor light-emitting device, a power supply device housed in the main body and configured to light the semiconductor light-emitting device, a wire connected to the power supply device and to the electrical connector while being inserted through the through-hole and the groove portion, and a base member provided in the other end portion of the main body and connected to the power supply device. Therefore, a lighting device and a lighting fixture of this embodiment of the present invention reduced in size, is configured to be suitable for mass production and is capable of producing a certain luminous flux.09-02-2010
20100181889HEAT SINK WITH HELICAL FINS AND ELECTROSTATIC AUGMENTATION - 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.07-22-2010
20110018418LED LIGHTING APPARATUS TO DISSIPATE HEAT BY FANLESS VENTILATION - An LED lighting apparatus dissipating heat by fanless ventilation including a heat radiation housing that has a heat radiation frame provided around the body of the heat radiation housing and spaced apart from the body and also has linear heat radiation fins configured to minimize interference to air flow and to maximize the heat radiation area, thereby expanding the heat radiation area significantly and thus dissipating heat much more effectively through ventilation by natural convection without a blowing fan, and consequently, extending the life span of the LED lighting apparatus and improving its quality. The LED lighting apparatus comprises a light source part including at least one LED and a PCB used to mount the LED; and a heat radiation housing provided at the upper portion thereof with a terminal part, receiving and supporting the light source part and dissipating heat.01-27-2011
20110001417LED bulb with heat removal device - A LED bulb includes a housing having a base mounted in an electrical socket; a heat removal device mounted on a lower portion of the housing for surrounding the remaining portion of the housing; a bulb formed of transparent material or being frosted, the bulb being mounted on a top edge of the heat removal device; a light source (e.g., Hi-Power LED) mounted on the heat removal device and the housing; and a circuit board received in the housing, the circuit board being electrically connected to the light source and the base respectively. Heat generated by the LED is adapted to conduct away by the heat removal device. In one embodiment, the heat removal device includes an inverted, truncated cone having a corrugated surface. In another embodiment, the cone includes a plurality of longitudinal, spaced latches formed around, the latches having an opening.01-06-2011
20110115358LED BULB HAVING SIDE-EMITTING LED MODULES WITH HEATSINKS THEREBETWEEN - Disclosed is a LED bulb having side-emitting LED modules with heatsinks therebetween which includes a base member having a first surface and a second surface, an electrical connector at the first surface of the base member, a plurality of light emitting diode modules stacked on the second surface, wherein each of the light emitting diode modules have top surface on which a plurality of light emitting diodes are positioned and a bottom surface opposite to the top surface, and a plurality of heatsinks positioned between every other one of the plurality of light emitting diode modules.05-19-2011
20110210657LIGHTING DEVICE - A lighting device is disclosed herein. The lighting device may include an LED module having a plurality of LEDs and a heat sink that dissipates heat generated by the LEDs. The heat sink may be electrically insulated from the LEDs and other electrical components to improve the inner voltage property of the lighting device. In the lighting device as disclosed herein, a number of connectors required to assemble the various components of the lighting device may be reduced, and efficiency during assembly may be improved accordingly.09-01-2011
20110018417LED LIGHT FIXTURE HAVING HEAT DISSIPATION STRUCTURES - An LED light fixture includes an inner shell containing a cooling fluid therein, an outer shell enclosing the inner shell, a heat conductor extending through the inner and outer shells, a light module mounted on one end of the heat conductor, and a lamp base connected to an opposite end of the heat conductor.01-27-2011
20110121704LED LAMP HAVING GOOD HERMETICAL PERFORMANCE - An LED lamp includes an enclosure, a base connected to a bottom of the enclosure, a cover connected to a top of the enclosure, an LED module received in the enclosure, a cap connected to a base, and a bracket fixed on the enclosure and pressing the cover on the enclosure. A first gasket is sandwiched between the bottom of the enclosure and the base, and a second gasket is sandwiched between the top of the enclosure and the cover. A driving module is received in the enclosure and isolated from the LED module by an interlayer formed in the enclosure.05-26-2011
20110241517LED LAMP, IN PARTICULAR FOR INTERNAL LIGHTING OF AN ELECTRIC HOUSEHOLD APPLIANCE - A lamp for internal lighting of an electric household appliance including at least one light source consisting of a LED, a printed circuit for supporting and powering the light source and a supporting body for the printed circuit made of an electrically non-conductive material and provided, at one first end thereof, with a reflecting/diffusing element of the light emitted by the light source and defining an optical axis arranged substantially parallel to a longitudinal axis of the supporting body; wherein the at least one light source is mounted at a first end of the printed circuit, fixed to a first flat face thereof, with a light diffusion axis thereof oriented substantially perpendicular to the first face; the printed circuit being supported inside the body, which is tubular in shape, with the first face arranged substantially coplanar with the optical axis of the reflecting/diffusing element and the first end overhangingly protruding from the first end of the supporting body, within a concavity of the reflecting/diffusing element, so that the same may collect at least part of the light emitted by the light source; the printed circuit extending over the entire length of the supporting body, to a second end of the same, opposite to the first, and being provided on at least the first face with electrically and thermally conductive tracks for powering the LED, which are exposed to a convective cooling motion of the environmental air through respective longitudinal slots made through at least one side wall of the supporting body, at a predetermined distance from the first end.10-06-2011
20110121705APPARATUS FOR REGULATING THE TEMPERATURE OF A LIGHT EMITTING DIODE - Apparatus for regulating the temperature of a light emitting diode (LED). The apparatus includes a heat sink, an LED mount, and an LED mounted on the LED mount. The LED mount is configured to change shape in response to a change in temperature. The change in shape alters the position of the LED relative to the heat sink, for adjusting heat transfer between the LED and the heat sink. The LED mount may include a laminated portion such as a bi-metallic strip.05-26-2011
20110084586LED recessed light with heat sink - An LED recessed light with heat sink comprises heat sink base, an LED illumination module, a sleeve and a transparent board. The heat sink base has an upper surface, a bottom surface and a side wall connected the surface to the bottom. The LED illumination module is mounted on the bottom surface of heat sink base. The sleeve has first open end, which is formed with a fixed portion, and a second open end, the fixed portion of the sleeve is mounted at the side wall of the heat sink base, so as to the first open end of the sleeve is located on the bottom surface of the heat sink base. And the transparent board is located on the second open end of the sleeve to cover the second open end.04-14-2011
20090322197LIGHT EMITTING DEVICE HAVING A TRANSPARENT THERMALLY CONDUCTIVE LAYER - A light emitting device and method of producing the same is disclosed. The light emitting device includes a transparent thermally conductive layer, a phosphor layer provided on the transparent thermally conductive layer, and at least one light emitting semiconductor arranged to emit light toward the transparent thermally conductive layer and the phosphor layer.12-31-2009
20100039013LIGHT-EMITTING DIODE ILLUMINATION APPARATUS - A light-emitting diode (LED) illumination apparatus including a housing, an LED light source, and a power supply unit is provided. The housing has a light source accommodating space, a power supply accommodating space and a thermal isolation channel linked to the atmosphere, wherein the thermal isolation channel is located between the light source accommodating space and the power supply accommodating space. The LED light source is disposed in the light source accommodating space and the power supply unit is disposed in the power supply accommodating space. The thermal isolation channel is capable of preventing thermal interference between the LED light source and the power supply unit.02-18-2010
20110175511LIGHT EMITTING DIODE AND LIGHT SOURCE MODULE HAVING SAME - An exemplary light emitting diode includes a light emitting diode chip, a casting, two metallic electrodes, and a heat sink. The casting has a first surface and a second surface at two opposite sides thereof. In addition, the casting has a receiving space defined in the first surface for receiving the light emitting diode chip and a hole extending from the light emitting diode chip to the second surface. The two metallic electrodes each are coupled to the casting and extending to the first surface. The heat sink fills in the hole and thermally contacts the light emitting diode chip, and the heat sink is thermally and electrically insulated from the two metallic electrodes by the casting.07-21-2011
20110101841LED lamp - A LED lamp includes a lamp cap, a body case, a power unit, a bulb shell and a connecting member. The power unit includes a driving printed circuit board designed to be a Class 2 isolation driving power, a metal core printed circuit board electrically connected with the driving printed circuit board; and at least one LED provided on and electrically connected with the metal core printed circuit board, in such a manner that, commercial power input by the lamp cap is transformed into a working current and voltage of the LED by the driving printed circuit board so that the LED is driven to work. The bulb shell is made of glass material. The connecting member can be made of glue, silica gel, PC/PBT and other plastic materials. The bulb shell is fittingly and shapedly engaged with the other end of the body case by the connecting member.05-05-2011
20110248616LIGHT EMITTING DIODE AND LIGHT SOURCE MODULE INCORPORATING THE SAME - A light emitting diode (LED) includes an LED chip, a casting, two metallic electrodes and a heat sink. The casting includes a first surface, a second surface and an outer peripheral side surface interconnecting the first and second surfaces. The casting defines a receiving space concaved inwardly from the first surface for receiving the LED chip therein. A through hole is defined in the casting and extends from the receiving space to the second surface. The metallic electrodes are separated from each other. Each metallic electrode includes a first terminal electrically connecting with the LED chip, and a second terminal disposed at the outer peripheral side surface of the casting. The heat sink is filled in the through hole and thermally contacts the LED chip. The heat sink is thermally and electrically insulated from the metallic electrodes by the casting.10-13-2011
20110101842Distributed Element Light-Emitting-Diode (LED) Light Fixture - The invention is a distributed element LED light bulb 05-05-2011
20110074266ILLUMINATING DEVICE HAVING A SPEAKER - An illuminating device comprises a heat sink, at least one light emitting module and a speaker. The heat sink has a first containing space, a second containing space and a first channel being in communication with the first containing space and the second containing space. The light emitting module is arranged in the first containing space and contacted with the heat sink. The speaker comprising a thin film is arranged in the second containing space. When the speaker is in operation, the thin film vibrates so that a first airflow from the second containing space to the first containing space through the first channel is formed. In the above-mentioned illuminating device, the vibration of the thin film of the speaker causes air in the first containing space to flow, and the heat dissipation efficiency of the illuminating device is improved.03-31-2011
20110074268LIGHT SOURCE MODULE - A light source module including a heat dissipation block, a light emitting diode (LED) package and a circuit board is provided. The heat dissipation block has a surface and the LED package is disposed on the surface of the heat dissipation block. The circuit board is electrically connected to the LED package, and the circuit board and the LED package are located at two opposite sides of the heat dissipation block respectively.03-31-2011
20110074265LIGHTING DEVICE WITH ONE OR MORE REMOVABLE HEAT SINK ELEMENTS - A lighting device comprising at least a first light source and at least one heat sink element that is removable, that comprises an first inner region and an first outer region, that is identical in shape to another heat sink element, that is in thermal contact with a trim element, that is stacked, that is in thermal contact with at least a first portion of a first surface of the trim element, that has a cross-sectional area at a first distance from an axis of a trim element that is larger than at a shorter distance, and/or that maintains a junction temperature of a lighting device at or below a recommended junction temperature. Also, a lighting device comprising at least a first light source, a trim element, a driver sub-assembly and a spacer element positioned between the trim element and the driver sub-assembly. Also, methods of dissipating heat.03-31-2011
20110068672Distributed LED-Based Light Source - A light source having a substrate with a plurality of component LED light generators mounted thereon is disclosed. The substrate has a first metallic surface characterized by a normal that points in a normal direction. The first metallic surface is in contact with air over the first metallic surface. The component LED light generators are mounted directly on the first metallic surface. Each component LED light generator includes an LED characterized by an operating temperature and emitting light in the normal direction. Each LED generator generates more than 0.5 watts of heat. The component LED light generators are spaced apart on the first metallic surface such that the operating temperature remains less than 75° C. above the air temperature. In one aspect of the invention, the first metallic surface surrounding each component LED light generator radiates an amount of heat equal to the heat generated by that component LED light generator.03-24-2011
20100244649LIGHT EMITTING DEVICE MODULARIZING MEMBER AND LAMP UNIT - A LED is modularized by a light emitting device modularizing member. The light emitting device modularizing member includes heatsink having planar base, a LED mounting plate extending perpendicularly to the base from a portion closer to the end than to the middle portion of the base, and a light emitting device holder provided on each of a first face of the LED mounting plate, which is a face facing the middle portion of the base, and a second face of the LED mounting plate, which is a face opposite to the first face.09-30-2010
20100244648LED LIGHTING LAMP - Disclosed herein is a Light Emitting Diode (LED) lighting lamp, which is coupled with the threadedly coupled receptacle of a vertically mounted post lamp support. The LED lighting lamp includes a light source unit, a heat sink means, and a housing. The light source unit includes one or more LEDs and a PCB. The heat sink means is bonded to the PCB to radiate heat from the light source unit. The housing is configured to support the heat sink means, and to have a threadedly coupled power source connection part. In the LED lighting lamp, the LEDs of the light source unit are supported by and disposed on the heat sink means so that light beams from the LEDs are emitted at a predetermined downward inclination angle.09-30-2010
20110001418HIGH HEAT DISSIPATION ELECTRIC CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF - The present invention relates to a high heat dissipation electric circuit board, comprises: an electric conductive wiring layer serving to be installed with at least one electronic unit, on which a wiring is formed for being connected to the electronic unit; an insulation layer, installed on one side of the electric conductive wiring layer; and a graphite heat conduction layer, installed on one side of the insulation layer for uniformly dissipating heat generated by the electronic unit. Moreover, the present invention also provides a manufacturing method of high heat dissipation electric circuit board.01-06-2011
20110254425Lamp Assembly - A lamp assembly is provided, including a light source, a thermal module, a connecting member, and an adapter electrically connected to the light source. The thermal module includes a first thermal member and a second thermal member which are formed by a die casting process, wherein the light source is disposed on the second thermal member. The first and second thermal members respectively have a plurality of first and second fins which are arranged in a staggered manner. The connecting member is formed by a metal extrusion process and extends through the first thermal member to connect the second thermal member with the adapter.10-20-2011
20110254423LED BULB - An LED bulb comprises a lamp housing, a lamp cap, a core tube disposed inside the lamp housing, a plurality of LED plates mounted on the core tube, and a controller serving to manipulate an on-off operation of the LED plates. Wherein, the controller is substantially disposed inside a room of the core tube, and the core tube has one end thereof connected to the lamp cap, so as to facilitate a free substitution of the controller and promote the using convenience. The connection of the core tube and the lamp cap serves to radiate the thermal created by the LED plates from the core tube toward the lamp cap and the lamp housing for a speedy dissipation and preventing from burning the LED bulb under a high temperature.10-20-2011
20110254422LED lamp circuit - A method of making an LED lamp circuit achieves uniform heating and cooling of an LED lamp to extend its lifetime. Steps include: providing a circuit board for an LED lamp and dispersing a plurality of light emitting diodes across a surface of the circuit board; distributing an LED driver on a surface of the circuit board so that the light-emitting-diode driver is not a distinctly identifiable component, does not interfere with the light output of the LEDs, and enables the LED driver to uniformly heat the LEDs when powering the LEDs; configuring the LED driver to attach to a power input; and integrating a heat sink to a surface of the circuit board, the heat sink configured to uniformly remove heat from the LEDs and the LED driver. The invention includes an LED lamp circuit made according to the method.10-20-2011
20110043091Structure of LED Lamps - An improved structure of LED lamps, which tightly fixes the LED to circuit board through indirectly pressing. The improved structure of LED lamps comprises of a lamp shell, the inside of which can be configured with a first circuit board attached with LED, and a second circuit board attached with positive and negative terminals; in particular: on either ends of the lamp shell, a supporting structure and a back cover can be configured. Screws can go through the screw hole(s) which are on the back cover and lock into the support pillar(s) of the supporting structure. Through the screwing, the supporting structure pulls the LED, first circuit board and lamp shell altogether, and provides an indirectly pressure on the first circuit board further makes the first circuit board attach tightly to the platform of lamp shell, accomplishing tight and accurate positioning effect, better heat transfer and heat conduction effect.02-24-2011
20110043092LED BULB FOR HIGH INTENSITY DISCHARGE BULB REPLACEMENT - The disclosed system includes a two-phase cooling apparatus configured for cooling an array of LED dies.02-24-2011
20110248617REFLECTIVE LIGHT EMITTING DIODE LAMP - A reflective LED lamp includes a metallic shell, a reflecting member, and an LED unit. The metallic shell includes a surrounding wall formed with a mounting hole unit, and an accommodating space defined by the surrounding wall. The reflecting member is disposed within the accommodating space, and includes a reflection region unit configured as at least one concaved curve surface. The LED unit is disposed within the mounting hole unit in the shell for emitting light onto the reflection region unit of the reflecting member, so that the light is reflected by the reflection region unit out of the shell.10-13-2011
20100301728LIGHT SOURCE HAVING A REFRACTIVE ELEMENT - A light emitting apparatus includes a substrate, a plurality of solid state light emitting cells having a planar arrangement on the substrate, and a refractive element arranged with the solid state light emitting cells so that light emitted from the light source has a substantially spherical emission pattern. The refractive element may also be arranged with the solid state light emitting cells to mix the emitted light.12-02-2010
20100096966WIDE-ANGLE LED LIGHTING LAMP WITH HIGH HEAT-DISSIPATION EFFICIENCY AND UNIFORM ILLUMINATION - LED lighting lamps provide optimum heat dissipation efficiency, wide illumination beam angles, and substantially uniform illumination intensity. Generally, the disclosed LED lamps comprise at least one LED lighting element and a substrate with a plurality of inclined planes.04-22-2010
20110254421Cooling Structure For Bulb Shaped Solid State Lamp - In one embodiment, an LED lamp has a generally bulb shape, such as a standard A19 shape. The section of the lamp between the LEDs' metal support platform and the screw-in base is a metal heat sink having the A19 form factor. The heat sink has metal fins that are asymmetrically arranged with respect to a center axis of the lamp such that, when the lamp's center axis is oriented vertically and the lamp is generating heat, the fins create an asymmetric air flow that moves through (across) a plane that is parallel to the center axis, wherein the air flow pattern is peripherally monoperiodic around the periphery of the lamp. Due to the asymmetric air flow pattern, the maximum air flow velocity is increased and asymmetric heat patterns result around the center axis, resulting in greater cooling of the heat sink.10-20-2011
20110254424ALARM LIGHT DEVICE HAVING LAMPS EMBEDDED IN OPENINGS - This invention relates to an alarm light device having lamps embedded in openings, in which a main lamp portion is coupled with two side lamp portions together at both sides thereof. The main lamp portion and the side light portions all have channel-openings for embedding a plurality of lamp modules. Each lamp module is covered by a corresponding outer-cover which is then fastened to the base plate of each lamp module. In this manner, as the lamps are directly embedded, they can be directly assembled or disassembled such that great convenience in conducting the replacement of lamp can be achieved.10-20-2011
20110156569LAMP HAVING OUTER SHELL TO RADIATE HEAT OF LIGHT SOURCE - 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.06-30-2011
20110254426WIDE-ANGLE ILLUMINATION LIGHT-EMITTING DIODE (LED) LIGHT BULB - A wide-angle illumination light-emitting diode (LED) light bulb includes a light base formed of a heat dissipation module having an end to which a circuit board is mounted. The circuit board carries at least one LED that is mounted to the circuit board in a chip-on-board fashion. A global cover is arranged above and covers the LED of the light base heat dissipation module. Intense white light generated by the LED is allowed to emit from the global cover with a wide angle of illumination similar to a conventional light bulb thereby realizing wide and uniform illumination.10-20-2011
20100320891LED LAMP AND ADJUSTABLE LAMP CAP THEREOF - An LED lamp includes a cooling member, a light source, a lamp cover and a pair of lamp caps arranged at opposite ends of the cooling member. The cooling member has an elongated heat absorbing plate forming a heat absorbing surface at one outer side thereof. The light source includes a plurality of LEDs arranged on the heat absorbing surface. The lamp cover covers the LEDs therein and engages with the cooling member. Each lamp cap includes an end cap fixed on the cooling member and a connector rotatably connected with the end cap. The connector includes a pair of poles being electrically connected to the LEDs and extending outwardly therefrom for inserting into a lamp holder to get a power for the LEDs.12-23-2010
20100320892HEAT DISSIPATION ENHANCED LED LAMP FOR SPOTLIGHT - In a LED lamp, a thermally conductive electric insulator is filled in a cavity of a lamp base, a LED filament includes an AC LED device, a resistor is connected with the AC LED device in series between two electrodes of the lamp base to form an electric loop, and a reflective cup has a hole at a bottom thereof to expose the AC LED device and a reflective surface to reflect light of the AC LED device for providing a spotlight. The thermally conductive electric insulator mechanically contacts the LED filament and the first one of the two electrodes, and thereby establishes a heat dissipation channel from the AC LED device to the first electrode therethrough.12-23-2010
20110074267LED LAMP - An LED lamp includes a heat sink including a base having a heat-dissipating face, an LED module including a printed circuit board mounted on the base and a plurality of LEDs disposed on the printed circuit board, and a connecter electrically connecting the LED module to a power supply. The heat sink further includes a plurality of spiral fins protruding outwardly from the heat-dissipating face of the base.03-31-2011
20110074269SELF-BALLASTED LAMP AND LIGHTING EQUIPMENT - A base body having a base body portion and a plurality of heat radiating fins disposed on the circumference of the base body portion is provided. On one end side of the base body, a light-emitting module having semiconductor light-emitting elements, and a globe that covers the light-emitting module are provided. A cap is provided on the other end side of the base boy. A lighting circuit is housed between the base body and the cap. The lamp total length from the globe to the cap is 70 to 120 mm, and the area of a surface of the base body which is exposed to the outside per 1 W of power charged to the light-emitting module is 20.5 to 24.4 cm03-31-2011
20110260599LED light device - 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.10-27-2011
20110095671Light Emitting Diode Lamp Having A Larger Lighting Angle - A light emitting diode lamp includes a light source and a heat radiating device combined with the light source. The light source includes a hollow substrate that is made of metal and has a substantially arcuate shape, a plurality of light emitting diodes mounted on an outer wall of the substrate, a plurality of heat conducting fins mounted on an inner wall of the substrate, and a light permeable cover mounted on the outer wall of the substrate to cover the light emitting diodes. Thus, the substrate of the light source is a substantially spherical body so that the light emitting diodes mounted on the outer wall of the substrate emit light beams outwardly in an irradiating manner and have a larger lighting angle to enhance the lighting effect.04-28-2011
20100213808Heat sink base for LEDS - An LED assembly can include a heat sink base, at least one LED die attached to the heat sink base, and a lens. One or more layers of phosphor can be formed upon the lens. A heat sink, such as a finned heat sink, can attach the heat sink base to the lens. Heat from the LED die can flow through the heat sink base to the heat sink, from which the heat can be dissipated. Similarly, heat from phosphors can flow through the lens to the heat sink, from which the heat can be dissipated. By removing heat from the LED die, more current can be used to drive the LED die, thus providing brighter light. By removing heat from the phosphors, desired colors can be more reliably provided.08-26-2010
20100213810LIGHT EMITTING DEVICE PACKAGE - Provided is a light emitting device package. The light emitting device package comprises a substrate, a light emitting device on the substrate, a first heatsink between the substrate and the light emitting device, the first heatsink being at least partially disposed within the substrate to transfer heat generated from the light emitting device, first and second electrodes electrically separated from each other, the first and second electrodes being electrically connected to the light emitting device.08-26-2010
20100213809HEADLAMP AND ITS USE - A headlamp is provided having a cap and a light output which is predetermined by international standardization with respect to the distance and position with respect to a reference plane of the cap, wherein the light output is provided by one or more semiconductor light sources.08-26-2010
20100060131LED BULB STRUCTURE HAVING INSERTION END, AND/OR HEAT DISSIPATION ELEMENT, AND/OR HEAT-AND-ELECTRICITY SEPARATED ELEMENT - An LED bulb structure having an insertion end includes a first electrically conducting pin, a second electrically conducting pin having a die pad at an end thereof, and an LED unit electrically connected to the first electrically conducting pin and the second electrically conducting pin through a first leading wire and a second leading wire, respectively, and a cap enclosing the above-mentioned components and leaving part of the first electrically conducting pin and the second electrically conducting pin exposed thereoutside. The first and second electrically conducting pins are adapted to form bayonet connections. An LED bulb structure having a heat dissipation element has the heat dissipation element attached to the pin portions of the electrically conducting pins. An LED bulb structure having a heat-and-electricity separated element further has a thermally conducting pin.03-11-2010
20110148271LED LAMP - 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.06-23-2011
20110148270Spherical light output LED lens and heat sink stem system - This light emitting LED device provides a 360 degree lighting angle in the horizontal plane and a 300 degree lighting angle in the vertical plane while simultaneously addressing LED die thermal management; critical to high lumen output LEDs.06-23-2011
20110215701LED LAMP INCORPORATING REMOTE PHOSPHOR WITH HEAT DISSIPATION FEATURES - An LED lamp or bulb is disclosed that comprises a light source, a heat sink structure and a remote planar phosphor carrier having at least one conversion material. The phosphor carrier can be remote to the light sources and mounted to the heat sink so that heat from the phosphor carrier spreads into the heat sink. The phosphor carrier can comprise a thermally conductive transparent material and a phosphor layer, with an LED based light source mounted to the heat sink such that light from the light source passes through the phosphor carrier. At least some of the LED light is converted by the phosphor carrier, with some lamp embodiments emitting a white light combination of LED and phosphor light. The phosphor arranged according to the present invention can operate at lower temperature to thereby operate at greater phosphor conversion efficiency and with reduced heat related damage to the phosphor.09-08-2011
20110215700LED LAMP INCORPORATING REMOTE PHOSPHOR AND DIFFUSER WITH HEAT DISSIPATION FEATURES - An LED lamp or bulb is disclosed that comprises a light source, a heat sink structure and a remote phosphor carrier having at least one conversion material. The phosphor carrier can be remote to the light sources and mounted to the heat sink so that heat from the phosphor carrier spreads into the heat sink. The phosphor carrier can have a three-dimensional shape, and can comprise a thermally conductive transparent material and a phosphor layer, with an LED based light source mounted to the heat sink such that light from the light source passes through the phosphor carrier. At least some of the LED light is converted by the phosphor carrier, with some lamp embodiments emitting a white light combination of LED and phosphor light. The phosphors in the phosphor carriers can be arranged to operate at a lower temperature to thereby operate at greater phosphor conversion efficiency and with reduced heat related damage to the phosphor. The lamps or bulbs can also comprise a diffuser over the phosphor carrier to distribute light and to conceal the phosphor carrier.09-08-2011
20110215696LED BASED PEDESTAL-TYPE LIGHTING STRUCTURE - LED based lamps and bulbs are disclosed that comprise a pedestal having a plurality of LEDs, wherein the pedestal at least partially comprises a thermally conductive material. A heat sink structure is included with the pedestal thermally coupled to the heat sink structure. A remote phosphor is arranged in relation to the LEDs so that at least some light from the LEDs passes through the remote phosphor and is converted to a different wavelength of light. Some lamp or bulb embodiments can emit a white light combination of light from the LEDs and the remote phosphor. These can include LEDs emitting blue light with the remote phosphor having a material that absorbs blue light and emits yellow or green light. A diffuser can be included to diffuse the emitting light into the desired pattern, such as omnidirectional.09-08-2011
20120098401HEAT DISSIPATION DEVICE AND LED LAMP USING THE SAME - An LED lamp includes a light source including LEDs and a heat dissipation device. The heat dissipation device includes a heat absorption board contacting the light source to absorb heat generated by the LEDs, a fin assembly located over the heat absorption board, two heat pipes thermally connecting the heat absorption board and the fin assembly, a fan and a fan holder fixing the fan on the fin assembly. The fan holder includes a supporting board supporting the fan and supporting posts connecting an outer edge of the heat dissipation board and an outer edge of the supporting board. The supporting posts are embedded in the fin assembly.04-26-2012
20120098400HEAT DISSIPATION DEVICE AND LED LAMP USING THE SAME - A heat dissipation device includes a heat absorption board adapted for contacting a light source to absorb heat therefrom, a fin assembly located over the heat absorption board, two spaced heat pipes each comprising an evaporator section and two condenser sections extending from two opposite ends of the evaporator section, and a heat sink located between the heat absorption board and the fin assembly. The condenser sections extend through the fin assembly. The evaporator sections of the heat pipes are sandwiched between the heat sink and the heat absorption board. The heat sink includes alternate first and second heat dissipating branches extending outwardly from a central portion thereof. The first heat dissipating branches contact the evaporator sections of the heat pipes. The second heat dissipating branches are located between the heat pipes.04-26-2012
20120146481LAMP - A fan comprises a housing, a fan, a heat sink, and a light emitting element. The housing has a compartment and forms an opening. The fan is mounted inside the compartment of the housing and has a frame and an impeller mounted inside the frame. A first air-guiding channel is formed between a peripheral surface of the frame and an inner peripheral surface of the housing. The heat sink is coupled to the fan and has a first surface and a second surface, with the first surface facing the impeller. Also, a second air-guiding channel is formed between an outer periphery of the heat sink and an inner surface of the frame. The light-emitting element is disposed on the second surface of the heat sink. In such arrangement, used components and structural complexity of the lamp can be significantly reduced so as to be convenient in assemblage.06-14-2012
20090134761GAS DISCHARGE LAMP HAVING A COLD SPOT OUTSIDE ITS TRANSLUCENT ENVELOPE - A gas discharge lamp having an envelope (05-28-2009
20120306344Light-Emitting Module and Lighting Apparatus - A light-emitting module may be configured to have improved light emission efficiency and light distribution characteristics. A light-emitting module may include a substrate having a front surface side as a component mounting surface and a rear surface side as a flat heat dissipating surface, a plurality of light-emitting elements arranged in a manner protruding at a central portion of the component mounting surface of the substrate. The light-emitting elements may radiate light at least in an upper surface direction and in a direction along the component mounting surface. The module may further include one or more lighting circuit components electrically connected to the light emitting elements by a wiring pattern arranged on the substrate and which is arranged closer to the peripheral edge side of the substrate than the light emitting elements on the component mounting surface of the substrate, and a connector for power supply connection.12-06-2012
20120306342End piece for a retrofit fluorescent lamp and retrofit fluorescent lamp - An end piece for a retrofit fluorescent lamp may include a housing section open on a first end face and a cover that can close off the first end face, wherein the housing section and the cover can be non-detachably interlocked.12-06-2012
20120306341LIGHT-EMITTING-DIODE-BASED LIGHT BULB - The embodiments of a light-emitting-diode-based (LED-based) light bulb and an LED assembly described provide mechanisms of reflecting generated by LED emitters toward the back of the LED-based light bulb. An upper substrate and a lower substrate are used to support upper and lower LED emitters. A slanted and reflective surface between the upper substrate and the lower substrate reflects light generated by the lower LED emitters toward the backside of the LED-based light bulb.12-06-2012
20110109218LED Light Structure with Internal Electronic Circuit - The invention concerns a LED lighting body (05-12-2011
20110109217LIGHTING DEVICE - Disclosed is a lighting device. The lighting device includes: 05-12-2011
20120043876Two Confronting Planar LED Lamps with Shades - An LED lamp is disclosed. The LED lamp includes a concave specular reflector having a top LED plate, a bottom LED plate positioned at both ends of the specular reflector. The top LED plate and the bottom LED plate with the light-emitting area are positioned opposite to each other. Two LED plates are disposed on the circuit boards and positioned back by the heat sinks and thermal releasing caps. A power connector is extended from the two circuit boards and disposed at one end of LED plate to the power cord.02-23-2012
20100096967LIGHTING DEVICE - The invention relates to a lighting device comprising a light source (04-22-2010
20110316407STRUCTURE OF LED (LIGHT-EMITTING DIODE) LIGHTING BULB - An LED (Light-Emitting Diode) lighting bulb includes an electrical connector, a base, a circuit board, and a cover. The electrical connector is recessed to form a hollow configuration having an intermediate section forming threading. The base is formed by molding a moldable material.12-29-2011
20110050074LIGHT EMITTING APPARATUS AND LIGHT UNIT - A light emitting apparatus according to an embodiment includes: a body including a cavity; an electrode of which one end is disposed in the cavity by penetrating the body and the other end is disposed outside of the body; a heat radiating member including a main frame which is coupled with the body to form the bottom of the cavity and a sub frame which extends from the main frame, wherein the top surface of the main frame has a larger area than the bottom surface of the main frame and the sub frame includes a slope; and a light emitting device installed on the heat radiating member and electrically connected with the electrode.03-03-2011
20110050073BENDING LED BULB - A bending LED bulb has a transparent bending tube and a flexible LED strip. The flexible LED strip has a flexible printed circuit board (PCB) and a plurality of LEDs mounted on the flexible PCB and is inserted and fixed in the transparent bending tube. As the LEDs are sequentially mounted on the flexible PCB, the LEDs are adjacent to a wall of the transparent bending tube, and are equally spaced. Accordingly, a lumen value of the bending LED bulb can be raised, and heat generated by the LEDs can be dissipated out through the wall of the transparent bending tube to avoid high temperature arising from accumulation of the waste heat.03-03-2011
20110050072LED LAMP - An LED lamp includes a heat dissipation part, an optical part and an electric part. The optical part includes an LED module attached to a heat dissipation member of the heat dissipation part and an envelope covering the LED module. The electric part includes a casing, a circuit board and a lamp cap. The casing includes a bottom plate and an annular sidewall extending from a periphery of the bottom plate to connect with the heat dissipation part and the optical part. The lamp cap includes an electric shell and an electric pole axially inserted in the electric shell. The lamp cap is rotatablely connected to the casing via the electric pole. The electric pole is fixedly connected to and electrically insulated from the electric shell. An orientation-adjusting structure is provided between the casing and the lamp cap for adjusting the illumination direction of the LED lamp.03-03-2011
20110050071Quasi-optical LED package structure for increasing color render index and brightness - A quasioptical LED package structure for increasing color render index and brightness includes a substrate unit, a light-emitting unit, a frame unit and a package unit. The light-emitting unit has a first light-emitting module for generating a first color temperature and a second light-emitting module for generating a second color temperature. The frame unit has two annular resin frames surroundingly formed on the top surface of the substrate unit by coating. The two annular resin frames respectively surround the first light-emitting module and the second light-emitting module in order to form two resin position limiting spaces above the substrate unit. The package unit has a first translucent package resin body and a second translucent package resin body both disposed on the substrate unit and respective covering the first light-emitting module and the second light-emitting module.03-03-2011
20110050070LIGHTING DEVICE WITH HEAT DISSIPATION ELEMENTS - A lighting device comprising at least a first light emitter, at least a first heat transfer element, and a plurality of heat dissipation elements. Each heat dissipation element has at least a first region and a second region, the first region being in contact with the first heat transfer element, the second region being closer to the first light emitter than the first region. The first light emitter is thermally coupled to the first heat transfer element.03-03-2011
20120062095LAMP - A lamp includes a heat dissipater having a base and an engaging member. The base includes a first air guiding portion and a fixing portion. The engaging member is mounted to an outer periphery of the base. A second air guiding portion is formed between the engaging member and the base. A lighting element is mounted to the base of the heat dissipater. A housing is engaged with the engaging member of the heat dissipater. The housing and the heat dissipater together define a compartment in communication with the first and second air guiding portions. A cooling fan is mounted to the fixing portion of the base. A circuit board is mounted in the compartment and electrically connected to the lighting element and the cooling fan. The circuit board is electrically connected to an electrically conductive member having an end extending out from the housing.03-15-2012
20110156568ASSEMBLY OF HEAT DISSIPATING MODULE - An assembly of heat dissipating module includes an aluminum substrate having a first surface and an opposite second surface with at least one connection portion, a heat sink having a plurality of heat dissipating fin and a contact surface, at least one press mold arranged to the heat sink, and a connection component connecting the press mold to the aluminum substrate.06-30-2011
20110156566LED LAMP - An LED lamp includes a connecting member and an LED module. The connecting member electrically connects with a power source. The LED module threadedly engages with and electrically connects to the connecting member.06-30-2011
20110156565LED Lamp Having Higher Efficiency - An LED lamp includes a heatsink housing (06-30-2011
20120001531LED BASED LAMP AND METHOD FOR MANUFACTURING THE SAME - A light emitting diode (LED) based lamp is provided that may include a housing, a LED module having at least one LED to emit light, and a lens to receive the light from the LED and to guide the light to a specific area. An outer circumference of the lens may have a different surface roughness than an inner surface of the lens or may have a different light transmissivity than the inner surface of the lens. The outer circumference of the lens may minimize light from being transmitted to a region outside the specific area.01-05-2012
20120001530LED LAMP - A lamp includes a shell and an LED bulb including a heat sink enclosed by the shell. The shell defines at least a hole at a lower portion of the shell and at least an aperture at an upper portion of the shell. The LED bulb includes a heat sink enclosed by the shell. At least an LED is mounted at a bottom of the heat sink. The heat sink includes a plurality of fins extending from top to bottom. The fins define a plurality of channels therebtween. The channels are in flow communication with at least hole and the at least aperture of the shell.01-05-2012
20120062097High-Pressure Discharge Lamp having a Cooling Element - A high-pressure discharge lamp comprising two electrodes (03-15-2012
20100060130LIGHT EMITTING DIODE (LED) LIGHTING DEVICE - An LED lighting device comprises: a thermally conducting body having an at least one opening that connects with a cavity within the body and a plurality of LEDs mounted in thermal communication with a face of the body and positioned around the opening. One or more passages pass through the body from the cavity to an outer surface of the body and are configured such that in operation air moves through the cavity by thermal convection thereby to provide cooling of the body. Each passage is configured in a direction that extends in a direction at an angle of about 45° to a line that is parallel with the axis of the body toward the outer surface of the body away from the face. The body can be configured such that its outer surface has a form factor resembling an incandescent light bulb or halogen reflector lamp.03-11-2010
20120013237HEAT-DISSIPATING STRUCTURE OF LED BULB - A heat-dissipating structure of a LED bulb includes: a base, a heat-absorbing member, a heat-dissipating member, an assembling portion and a heat-conducting member. The base has a trough and a first hole in communication with the trough. The heat-absorbing member is provided in the trough and having a second hole in communication with the first hole. The heat-dissipating member has a third hole opposite to the first hole and a first heat-diffusing portion extending outwardly from the third hole. The first heat-diffusing portion and the base define a first heat-dissipating space there between. The assembling portion has a fourth hole and a second heat-diffusing portion extending outwardly from the fourth hole. The assembling portion and the heat-dissipating member define a second heat-dissipating space there between. A connecting end protrudes from an outer end of the second heat-diffusing portion away from the base. The heat-conducting member is disposed through the first, second, third and fourth holes to be combined with the base, the heat-absorbing member, the heat-dissipating member and the assembling portion, thereby obtaining the heat-dissipating structure having an excellent heat-dissipating effect.01-19-2012
20120025687LED LAMP WITH FLOW GUIDE FUNCTION - An LED lamp with a flow guide structure guides external air to dissipate heat from the LED lamp includes a lamp base, a heat dissipating body, a heat dissipating plate and an LED module installed in the lamp base, and heat dissipating holes formed on the lamp base. The heat dissipating body includes heat dissipating fins, and a heat dissipating passage defined between any two fins and disposed corresponding to the heat dissipating hole. The LED module is in a thermal contact with the heat dissipating plate. The heat dissipating plate is attached onto the heat dissipating fins and includes openings. A flow guide plate is formed at a lateral edge of each opening and extended from the heat dissipating plate for guiding external air into the heat dissipating passage and out from the heat dissipating hole to expedite a natural convection in the lamp and prevent a thermal aggregation.02-02-2012
20120206031Lighting Device - The lighting device includes a substrate, a light-emitting element formed over one of surfaces of the substrate, and a rear surface metal layer formed on another surface of the substrate, which is opposite to the surface over which the light-emitting element is formed. The light-emitting element has a structure in which an organic compound layer containing a light-emitting substance is provided between a pair of electrodes. The substrate has a layered structure of an organic insulating layer and a metal layer including at least one internal metal layer. The internal metal layer is thermally bonded to the rear surface metal layer through a via hole formed in the organic insulating layer. The resistance of the via hole is lower than that in the case of thermal bonding not through the via hole.08-16-2012
20120153797Lamp body structure comprised of heat-dissipating fins - This apparatus is a lamp body structure comprised of a plurality of heat dissipating plates. Each said plate has mounting seats for Light emitting elements such as LED to mount on. There are also means to connect said heat dissipating plates together to form a rigid lamp body structure.06-21-2012
20110074271LAMP AND LIGHTING EQUIPMENT - In one embodiment, a lamp includes a thermal conductive hollow base body having a concave container portion, an opening portion formed at one end portion so as to communicate with the container portion and a substrate support portion formed at a peripheral portion of the opening portion. A substrate is formed of one of a thermal conductive metal plate and a thermal conductive insulating plate and including a semiconductor lighting element mounted on one surface. A peripheral portion of the other surface of the substrate is fixed to the substrate support portion so as to cover the opening portion in a thermally conductive state therebetween. A power supply device is accommodated in the container portion of the base body to light on the semiconductor lighting element. A base is provided at the other end portion side of the base body and electrically connected with the power supply device.03-31-2011
20120306343LIGHT DEVICE - An improved light device comprising a LED having opposing terminal elements for connection to the terminal elements of a power supply, and an inner glass sleeve and/or globe encapsulating the LED, so that the terminal elements of the LED and the terminal elements of the power supply could be tightly fastened together matching the center case of the device and eliminating the usual practice of soldering process.12-06-2012
20110089806LIGHT-EMITTING ELEMENT LAMP AND LIGHTING EQUIPMENT - The present invention provides a light-emitting element lamp 04-21-2011
20110089805LIGHT-EMITTING APPARATUS AND LUMINAIRE - According to one embodiment, a light-emitting apparatus includes an insulating base made of ceramics, an obverse metallic component dividedly arranged on the front surface of the insulating base, semiconductor light-emitting elements mounted on the obverse metallic component, and a reverse metallic component arranged on a back surface of the insulating base and having a thickness same as or smaller than a thickness of the obverse metallic component and a volume equal to 50% or larger of a volume of the obverse metallic component.04-21-2011
20110089804THERMAL MANAGEMENT OF LED-BASED ILLUMINATION DEVICES WITH SYNTHETIC JET EJECTORS - An illumination device (b04-21-2011
20120119638LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, AND METHOD FOR PRODUCING LIGHT EMITTING DEVICE - The present invention provides a light emitting element including a transparent substrate being transparent to laser light L and having a light receiving surface for receiving the laser light L and a reverse surface of the light receiving surface, and a light emitting section for generating fluorescent light upon receiving the laser light having passed through the transparent substrate, the light emitting section being provided to face the reverse surface, the transparent substrate having a heat conductivity and the light receiving surface having or provided with a microstructure in which either or both of a plurality of projections or a plurality of fine pores are arranged with intervals.05-17-2012
20120119637MULTI-FUNCTIONAL MINI-REFLECTOR IN A CERAMIC METAL HALIDE LAMP - A light assembly includes a metal halide light source having an arc tube with first and second legs extending from a discharge chamber. A light transmissive capsule surrounds the light source. A reflector is received in the capsule and has a large diameter, annular first portion that receives light from the discharge chamber and is dimensioned to operatively engage an inner surface of the capsule to mount the reflector assembly and light source relative to the capsule. In addition, a small diameter portion of the reflector assembly is received around the first leg. By electrically interconnecting the reflector with the second electrode assembly, namely the support leg, and positioning the small diameter portion closer to the first electrode assembly than the dimension between the electrode terminal ends allows the reflector to also serve as an ignition aid. The reflector is formed of a material that serves as a heat shield for the seal glass in the first leg and also serves as a heat shield for the capsule seal region.05-17-2012
20120248961LED BULB WITH HEAT DISSIPATER - A LED bulb has a heat dissipater. The LED bulb includes a base, a heat dissipater, a LED module and a cap. The base has a conducting portion and an isolation tube positioned at a bottom portion of the conducting portion. The heat dissipater is assembled to the isolation tube. The heat dissipater has a hollow tunnel and a plurality of fins extending perpendicularly and positioned with an interval from one another in a radial fashion. The fins have an outer flange connected to a heat dissipation ring, and the heat dispensing ring is circularly connected to the fins. The LED module has a circuit board fixed to the heat dissipater and a plurality of LED scattered on the circuit board. The cap is assembled to the heat dissipater to house the LED module. The LED bulb increases the air circulation and accordingly promotes the heat dissipation effect.10-04-2012
20120313498GLARE-FREE LED LAMP MODULE - A glare-free light emitting diode (LED) lamp module includes a heat sink, an LED light source and an LED cover. Multiple rows of threads are integrally formed on a circumferential outer surface of the heat sink for the purposes of mounting and heat dissipation. In one embodiment, a mounting portion is provided on and integrally formed with the heat sink. The LED light source is mounted on the mounting portion. The LED cover is attached to the mounting portion. In another embodiment, a mounting hole is defined through the heat sink for receiving and mounting an LED lamp core and an LED lamp socket therein. The LED cover is attached to the LED lamp core. The LED lamp module can be used to replace the bulb of an incandescent lamp, while the other parts of the incandescent lamp can be retained for continuing use.12-13-2012
20100207499Apparatus and method for removing heat from high intensity light bulbs - Water or air is directed through a hood or double cylinder cooling device for providing cooling to one or more light bulbs used in growing plants in greenhouses, aquarium, and hydroponic applications. A water recirculation system with a reservoir and a pump may provide a flow of cooling water through tubing to the hood. The hood provides a housing and a tube which contains one or more light bulbs which can be accessed or replaced through an end of the tube which projects through the housing. The light holder includes an enclosed electric box and a plurality of curved fins which expand against the inside glass tube. Various reflector housing shapes and reflectors direct light to plants. The end cap is bolted to a split ring flange attached to the outer tube.08-19-2010
20100207500LAMP - A lamp may include at least one housing; a heat source connected thereto; and a base for connection to a lampholder, wherein the base has at least one heat dissipation surface, and wherein at least one heat source is thermally conductively connected to at least one heat dissipation surface.08-19-2010
20110181167LIGHTING DEVICE - A lighting device is disclosed herein. In the lighting device, a plurality of the light emitting elements may be provided based on a desired amount of light. The lighting device may include a reflector provided over the light emitting elements and a lens provided over the reflector. The reflector may be configured to reflect light emitted from the light emitting elements to reduce light loss and to improve light distribution efficiency in the lighting device.07-28-2011
20110181166LED ILLUMINATING DEVICE - An LED illuminating device includes a heat sink, a first substrate, a second substrate and a connector. The heat sink comprises a first end, a second end opposite to the first end along the axial direction of the heat sink. The first substrate mounted on the first end, the second substrate mounted on the second end, the second substrate has a size smaller than the first substrate. Heat generated by the first substrate is transferred to air and will not accumulate and be transferred to the second substrate. Additionally, because the first substrate and the second substrate are spaced by the heat sink, the heat radiation efficiency is improved.07-28-2011
20110181164LED LAMP FOR WIDE AREA LIGHTING - An LED lamp with improved lighting area has a lamp base, a substrate assembly mounted on the lamp base and a cap engaged with the lamp base to enclose the substrate assembly therein. The substrate assembly has multiple substrates intersecting each other. Multiple LEDs are mounted on the substrates to form a spherical distribution that allows the LED lamp to provide wide-angled lighting.07-28-2011
20120133263LIGHT EMITTING DIODE (LED) LAMP - A light emitting diode (LED) lamp includes an emission unit comprising one or more LED light-emitting devices and a circuit substrate whereon the one or more LED light-emitting devices are mounted; a heat dissipating member whereon the emission unit is mounted and that dissipates heat generated by the emission unit; and a light-transmitting lamp cover directly contacting the heat dissipating member and coupled with the heat dissipating member so as to cover the emission unit, wherein the lamp cover is formed of a light-transmitting material having a thermal conductivity equal to or greater than 9 W/m·K05-31-2012
20120313500Lamp with reflector means and reflector element - In various embodiments, a lamp may include at least one light source; and at least one reflector means for reflecting light that has been emitted by the at least one light source, it being possible for the at least one reflector means to have a radial asymmetric form about a longitudinal axis of the lamp.12-13-2012
20120313499ORGANIC LIGHT EMITTING DIODE DISPLAY - Provided is an organic light emitting diode (OLED) display including: a substrate; an organic light emitting element disposed on the substrate; an encapsulation substrate disposed on the organic light emitting element; and an adhesive layer disposed on the substrate to cover the organic light emitting element and bonding the substrate including the organic light emitting element disposed therein with the encapsulation substrate. Herein, the adhesive layer is formed by laminating a filling adhesive sheet including at least one opening that is open in a vertical direction in a thickness of the adhesive layer with a heat dissipation adhesive sheet filling the opening, or by laminating a heat dissipation adhesive sheet including at least one opening that is open in a vertical direction in a thickness of the adhesive layer with a filling adhesive sheet filling the opening.12-13-2012
20120217862LIGHT BULB SHAPED LAMP AND LIGHTING APPARATUS - A light bulb shaped lamp capable of achieving light-distribution property equivalent to that of a conventional incandescent light bulb and easily fixing the LED module in the lamp is provided. The lamp according to the present invention includes an LED module housed in a hollow globe and a fixing component for fixing the LED module. The LED module includes a translucent board having a first main surface with an LED mounted thereon and a second main surface. The board includes a first light-emitting area and a second light-emitting area, the first light-emitting area in which predetermined light by the LED is emitted from the first main surface toward the globe, and the second light-emitting area in which predetermined light by the LED is emitted from the second main surface toward the globe.08-30-2012
20120161603OLED DEVICES WITH PROTECTION COVER - The invention relates to an OLED device (06-28-2012
20120161602LED BULB - An LED bulb includes a connector, a heat sink disposed on the connector, an LED module, and an envelope secured to the heat sink and covering the LED module. The heat sink includes a tubular body defining a central through hole, a plurality of fins, and a supporting body located in the tubular body and interconnecting inner edges of the fins. The LED module is attached on the supporting body of the heat sink. A fan is received in the tubular body. When the LED bulb is at work, the fan generates an airflow which flows from an outer environment through the tubular body, the through hole, the LED module, the fins and finally the tubular body to return to the outer environment, thereby to effectively take away the heat generated by the LED module.06-28-2012
20110187257DISCHARGE LAMP FOR VEHICLE - A discharge lamp for a vehicle has an external tube attached to a socket, a light emitting tube disposed in the external tube and formed of ceramic, the light emitting tube including a light emitting portion and a pair of narrow tube portions linked to the light emitting portion at opposite sides with the light emitting portion interposed therebetween, a cathode side electrode and an anode side electrode which are disposed in the light emitting tube, and two lead wires connected to the cathode side electrode and the anode side electrode respectively and having at least a part disposed in the external tube respectively. A length of the narrow tube portion on the cathode side being set to be smaller than that of the narrow tube portion on the anode side. The cathode side electrode being disposed on an opposite side to the socket with the anode side electrode interposed therebetween.08-04-2011
20120169201LIGHTING DEVICE - A lighting device includes a bottom housing, a middle housing, a top housing, and a lamp head. Specifically, the bottom housing has a bottom surface capable of supporting a lighting module. The middle housing is coupled to the top side of the bottom housing. The top housing is coupled to the top side of the middle housing, such that the middle housing is disposed between the bottom housing and the top housing. The lamp head covers the sidewall of the top housing.07-05-2012
20120176017LED LIGHT BULB - 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.07-12-2012
20120176016CORE-SHELL PARTICULATES, ARTICLES, AND METHOD OF MAKING - A core-shell particulate is provided. The core-shell particulate includes a metal core particulate including a noble metal or a refractory metal; and a ceramic shell including a transition metal composition. The transition metal composition includes a material including hafnium, or zirconium, or yttrium, or tantalum, or tungsten, or molybdenum, or niobium, or any combinations thereof. The ceramic shell substantially uniformly encloses the metal core particulate. A method of making a core-shell particulate is provided. The method includes the steps of providing a metal core particulate; and disposing a ceramic shell including a transition metal composition onto the core particulate. An article including a plurality of core-shell particulates is also provided.07-12-2012
20120074827LED LAMP STRUCTURE - An LED lamp structure includes a heat sink and a base. The heat sink includes a first receiving cavity, a second receiving cavity opposite to the first receiving cavity and a partition. A light board having LED modules is mounted on the partition. The partition defines two first threaded through holes therein. The base has two positioning protrusions engaging in two positioning grooves of the heat sink. Thus, second screw holes of two screw pillars of the base are aligned at the first screw holes of the partition of the heat sink. Screws are used to threadedly engage in the first screw holes, the second screw holes and third screw holes in the light board to thereby assemble the heat sink, the base and the light board together.03-29-2012
20100270905LED LAMP - A light emitting diode (LED) lamp is provided to efficiently emit generated heat and increase light intensity radiating toward the front portion, and also to enhance productivity, save cost, and provide more elegant appearance. The LED lamp includes a front cover, a body, and a socket, in which the front cover includes a lens hole and a bolt securing portion without a front ventilation opening and a fixation bolt, the body includes a bolt securing hole, a side ventilation opening, a heat dissipation groove, a socket engagement hole, a heat conductive substrate, a lens, and a cable path, and the socket includes a driving substrate, an electrode hole, a guide and a hooking portion without adhesives in the interior portion.10-28-2010
20100270904LED BULB WITH MODULES HAVING SIDE-EMITTING DIODES - A light emitting diode bulb includes: a base having a screw-in type electrical connector at a first end of the base; a power converter in the base for converting alternating current voltage into direct current voltage; a plurality of light emitting diode modules stacked on the base, wherein each of the light emitting diode modules have a plurality of side-emitting light emitting diodes; and a cover surrounding the plurality of light emitting diode modules stacked on the base.10-28-2010
20100270903LIGHT-EMITTING DIODE (LED) RECESSED LIGHTING LAMP - The present invention provides a light emitting diode LED recessed lighting lamp. The lamp includes a base with a LED assembly surface and a circumferential assembly stop flange shaped around the base for mating with the LED assembly surface. The LED assembly surface is provided with a circuit hole. There is an LED assembly, containing a printed circuit board PCB, a plurality of LED units and electric wire. The back of PCB is assembled securely onto the LED assembly surface of the base. The electric wire penetrates the circuit hole of the LED assembly surface and extends towards the second end of the base. A diffuser externally covers onto the LED assembly surface of the base. A heat-radiating base contains a heat-radiating portion with expanded area. There is an assembly locating member, assembled laterally on the second end of the base.10-28-2010
20120181915ORGANIC EL ILLUMINATION DEVICE AND METHOD FOR MANUFACTURING THE SAME - In an organic EL illumination device (07-19-2012
20120181914HEAT-CONDUCTIVE SEALING MEMBER AND ELECTROLUMINESCENT ELEMENT - Provided is a heat-conductive sealing member which has high moisture barrier properties, has heat dissipation properties, and is capable of encapsulating an element by a simple method. The heat-conductive sealing member has a metal base material, an insulating layer that is formed on the metal base material, has heat conductivity and contains at least polyimide, and a tacky adhesive layer that is formed on the insulating layer and has heat resistance.07-19-2012
20120256528Organic Light-Emitting Device with Homogeneous Temperature Distribution - An organic light-emitting device (10-11-2012
20120187818LED LIGHT BULB EQUIPPED WITH LIGHT TRANSPARENT SHELL FASTENING STRUCTURE - An LED light bulb includes a power conversion board, at least one light source baseboard electrically connected to the power conversion board, a heat sink and a light transparent shell to hold the light source baseboard. The heat sink has a wedged groove with a first holding portion formed thereon. The light transparent shell includes a sphere and a neck wedged in the wedged groove. The sphere and neck have an inner wall surrounded to hold the power conversion board and an outer wall opposite to the inner wall. The neck has a longitudinal shell retaining portion on the outer wall corresponding and fastening to the first holding portion and at least one transverse shell retaining portion. The wedged groove has at least one second holding portion corresponding and fastening to the transverse shell retaining portion to restrict relative turning of the light transparent shell and heat sink.07-26-2012
20120187817INSULATION REINFORCING LIGHT BULB - An insulation reinforcing light bulb includes a light penetrable shell, a power receiving base, a heat sink and an assembling holder located between the light penetrable shell and the power receiving base, at least one light source baseboard located in the light penetrable shell and a power conversion board electrically connected to the light source baseboard and the power receiving base. The heat sink has a housing chamber to hold the power conversion board. The light bulb further includes an isolation element held in the housing chamber. The isolation element has an isolation wall interposed between the power conversion board and the heat sink to form a circuit housing compartment to hold the power conversion board, and a wiring outlet formed on the isolation wall to allow wires to be led from the power conversion board to connect to the light source baseboard.07-26-2012
20120299456LED LAMP WITH SIMPLIFIED STRUCTURE - A lamp includes a housing, a cooling module and a light emitting diode. The housing has an assembling opening and an electrical connection member on two ends of the housing, wherein an inner surface of the housing defines a receiving room, and a part of the inner surface of the housing adjacent to the assembling opening is an air-guiding wall. The cooling module is disposed at the assembling opening of the housing to form at least one air channel between the cooling module and the air-guiding wall, wherein the cooling module has an air-guiding passage communicating with the receiving room of the housing. The light emitting diode is coupled with the cooling module. Therefore, there is no air inlet or outlet formed on the housing of the LED lamp, so as to provide a simplified structure and to maintain the exterior integrity of the LED lamp.11-29-2012
20110121707LED BULB FOR REPLACING A HALOGEN BULB IN THE FORM OF REFLECTIVE CUP - A LED bulb for replacing a halogen bulb in the form of reflective cup comprises a housing (05-26-2011
20110121706LED package structure - A LED package structure includes a heatsink slug, a positive-electrode frame, a negative-electrode frame, and a LED module electrically connected with the positive-electrode frame and the negative-electrode frame, respectively. The heatsink slug is provided, on its surface, with a converged ladder-like recess, where the LED module is fixed on a plane deep inside the recess. Thereby, the fluorescent-colloidal-layer covering on the LED module has an increased thickness in a normal direction, making the color-lights emitted from the chips and from the fluorescent colloid in the space and in every direction able to be maintained so as to achieve a better spatial color uniformity.05-26-2011
20100253200LAMP HAVING OUTER SHELL TO RADIATE HEAT OF LIGHT SOURCE - 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.10-07-2010
20100327725Light-Emitting Diode (LED) Lamp and Polygonal Heat-Dissipation Structure Thereof - A light-emitting diode (LED) lamp and a polygonal heat-dissipation structure thereof are provided. The LED lamp includes a polygonal heat-dissipation unit and a lighting module. The polygonal heat-dissipation unit has a polygonal hollow column and fins. The fins and the lighting module are thermally disposed on an inner surface and an outer surface of the polygonal hollow column, respectively. Thus, heat generated by the lighting module is dissipated by the fins rapidly. As the fins are thermally disposed on the inner surface of the polygon hollow column instead of being exposed, the volume of the LED lamp can be minimized, and the look of the LED lamp also can be prettified.12-30-2010
20110037369LIGHT EMITTING MODULE, HEAT SINK AND ILLUMINATION SYSTEM - The invention relates to a light emitting module (02-17-2011
20110037368LAMP STRUCTURE - A lamp structure includes a lamp housing. A plurality of air intake holes is respectively opened on two opposite sides of the lamp housing, and a plurality of vent holes is opened between the plurality of air intake holes on the two sides. A heat sink and a light-emitting element disposed on the heat sink are disposed inside the lamp housing. The heat sink is surrounded by a plurality of heat dissipation fins to form an accommodation chamber for accommodating a fan. When activated, the fan intakes an airflow respectively through the plurality of air intake holes on two sides of the lamp housing, blows the airflow to the plurality of heat dissipation fins, and ventilates the hot air through the vent holes, thereby realizing a double circulatory heat convection exchange effect.02-17-2011
20110037367SOLID-STATE LIGHT BULB HAVING ION WIND FAN AND INTERNAL HEAT SINKS - An ion wind fan can be incorporated into a solid-state lighting device to thermally manage the lighting device. In one embodiment, the lighting device includes a bulb body having air intake and exhaust openings, and an ion wind fan to generate airflow between the openings. The lighting device can further include an upstream heat sink disposed upstream of the ion wind fan with respect to the airflow, the upstream heat sink having a shape that provides no direct line of sight from the air intake openings to the ion wind fan.02-17-2011
20110221325LAMP DEVICE CAPABLE OF HEAT DISSIPATION - 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.09-15-2011
20110227469LED LAMP WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION UTILIZING RED EMITTERS - Lamps and bulbs are disclosed generally comprising different combinations and arrangement of a light source, one or more wavelength conversion materials, regions or layers which are positioned separately or remotely with respect to the light source, and a separate diffusing layer. This arrangement allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni-directional emission pattern, even with a light source comprised of a co-planar arrangement of LEDs. Additionally, this arrangement allows aesthetic masking or concealment of the appearance of the conversion regions or layers when the lamp is not illuminated. Some embodiments of the present invention utilize LED chips to provide one or more lighting components instead of providing the components through phosphor conversion. This can provide for lamps that can be operated with lower power and can be manufactured at lower cost. In one embodiment, a red lighting component can be provided by red emitting LEDs as opposed to a red conversion material.09-22-2011
20100244650LAMP HAVING OUTER SHELL TO RADIATE HEAT OF LIGHT SOURCE - 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.09-30-2010
20120080994LED Lamp Whose Lighting Direction Can Be Adjusted Easily and Quickly - An LED lamp includes a housing, a conducting ring mounted on the housing, a shade swivelably mounted on the housing, an LED module mounted on the shade, and two conducting pins each electrically connected with the LED module and each electrically connected with the conducting ring. Thus, when the LED module is moved in concert with the shade, each of the two conducting pins is slidably in contact with the conducting ring to connect the LED module electrically with the conducting ring and to connect the LED module electrically with the metallic base and the power contact plate through the conducting ring so as to form an electrical circuit so that the LED module can be rotated through three hundred and sixty degrees (360°) so as to change the lighting direction of the LED module.04-05-2012
20120080993LED Lamps Using Recycled Metal Containers as Heat Sinks - The core of this invention is that using recycled metal cans (after pretreatment processes) as a good heat sink, the lamp cups, of the LED lamps to adhere to the lamp bases, circuit boards with LED and lamp cups through advanced technology, there by producing a variety of LED lamps. And finally, this invention achieves a complete metal construction of LED lamps which not only improves the thermal performance of LED lamps but also develops a low-carbon, environmentally friendly and economical way of metal containers recycling consequently makes this LED lamps suitable to be widely used for the purpose of illumination or decoration.04-05-2012
20120080992LED BULB STRUCTURE - An LED bulb structure includes a base having a first end and a second end. The first end has a connection section. The second end has a surface section and an extension section substantially perpendicularly protruding from the second end without interfering with the surface section. The extension section has a mount face on which an LED module is disposed and a heat dissipation section disposed on an outer surface of the extension section. a transparent space being defined between the mount face and the surface section. When the LED bulb structure is horizontally locked in a socket on a wall of a building, the projection angle and range of the LED module are modified to enhance lighting efficiency of the LED module.04-05-2012
20110248618ELECTRIC LAMP - A bulb-type LED lamp (10-13-2011
20110248615LED ILLUMINATION APPARATUS - The present invention is directed to a light-emitting diode (LED) illumination apparatus. The apparatus includes a housing, an LED substrate, at least two electrical-insulation clamping members and associated screws, and a heat-conduction pad. At least one LED chip is fixed on the surface of the LED substrate. Each electrical-insulation clamping member has a threaded hole for screwing the screw in order to fasten the electrical-insulation clamping member to the housing; and each electrical-insulation clamping member has a recess for clamping the LED substrate. The heat-conduction pad is disposed between the housing and the LED substrate, and is used to conduct heat generated by the LED chip.10-13-2011
20120319553ORGANIC LIGHT EMITTING DEVICE WITH CONDUCTING COVER - An organic light emitting device (OLED) configured to emit light uniformly over an emitting area and a method of making the OLED are disclosed. The OLED contains a substrate, an electrode disposed over the substrate, and a light-emitting structure containing an organic material. The light-emitting structure is in contact with the electrode. The OLED contains an electrically conductive cover substantially overlaying the electrode and an electrically conductive connecting material disposed between the electrically conductive cover and the electrode. The electrically conductive material provides an electrically conductive path connecting the electrically conductive cover and the electrode. The electrically conductive cover increases the overall uniformity of emitted light from the OLED.12-20-2012
20120319554ELECTRIC LAMP HAVING REFLECTOR FOR TRANSFERRING HEAT FROM LIGHT SOURCE - The invention relates to an electric lamp (12-20-2012
20120326589LIGHT EMITTING DIODE BULB - A light emitting diode bulb including a heat sink, a light source plate, a reflective frame and a secondary optical component is provided. The light source plate includes a circuit board disposed on the heat sink and a plurality of light emitting devices disposed on the circuit board. The reflective frame disposed on the light source plate includes a plate portion and a reflective pillar. The plate portion has a plurality of openings exposing the light emitting devices. The secondary optical component has a first optical surface and a second optical surface. An absolute value of the slope of a tangent line of any point on the first optical surface with respect to the heat sink is constant. An absolute value of the slope of a tangent line of any point on the second optical surface is gradually smaller along the direction away from the heat sink.12-27-2012
20120091877ORGANIC LIGHT EMITTING DIODE FOR LIGHT-INDUCED PATTERNING WITH BUCKLING RESISTING PROPERTIES - An organic light emitting diode (OLED) (04-19-2012
20120091876LED LIGHT BULB AND ITS BULB SHELL, AND METHOD OF MANUFACTURING THE BULB SHELL - A portion of a bulb shell of a LED light bulb is selected to be applied with a diffusion layer thereon to increase the amount of light projecting in the lateral and backward directions of the LED light bulb and thereby expand the effective illuminating space of the LED light bulb. A bulb shell is produced by applying a refractive film or fluorescent powder to a frosted shell base, and the process is thus simple, low-cost, and compatible with the manufacturing process of ordinary bulb shells.04-19-2012
20120139404LIGHT SOURCE DEVICE OF BACKLIGHT MODULE AND LIGHT-EMITTING DIODE PACKAGE STRUCTURE OF THE LIGHT SOURCE DEVICE - A light source device of a backlight module includes a back frame unit and a light-emitting diode (LED) package structure. The back frame unit includes a thermal conductive base plate, and a casing part having a first plate spaced apart from and parallel to the base plate. The LED package structure is disposed between the base and first plates, and includes a package body having a light-emitting surface, and two lateral surfaces respectively facing the base plate and the first plate. A lead frame unit includes a lead frame partially exposed from the lateral surfaces of the package body to form first and second heat-conducting paths with the base and first plates, respectively.06-07-2012
20130015754Mercury-Free Discharge LampAANM Moskowitz; Philip E.AACI GeorgetownAAST MAAACO USAAGP Moskowitz; Philip E. Georgetown MA US - The present invention provides a low pressure metal halide fluorescent lamp. The metal halide fluorescent lamp may have an oblate spheroid cavity discharge vessel filled with an ionizable metal halide surrounding an exciter housing. An exciter within the exciter housing may drive the ionizable metal halide in an inductively coupled electrode-less manner. One or more embodiments may include one or more heat spreaders and/or thermal transfer pipes for transferring heat from the exciter to a surface of the oblate discharge vessel.01-17-2013
20130020924LIGHT-EMITTING DEVICE - A purpose of the present invention is to provide a light-emitting device having a high heat dissipation property.01-24-2013
20120242213LAMP DEVICE WITH MAGNETIC SOCKET - A lamp device includes a lamp, a socket, two magnetic electrodes, and two electrode boxes. The lamp comprises a bulb portion, a stem portion, and two magnetic contacts. The socket has a receptacle portion configured to accept the lamp. The two magnetic electrodes are disposed in the receptacle portion. Each of the two electrode boxes encloses each of the two magnetic electrodes. The magnetic electrode is free to move in the electrode box, and the magnetic electrode makes an electrical contact all the time. The lamp device may further comprise a guiding groove and an insulating wall. The guiding groove may be provided on a bottom surface of the lamp between the two magnetic contacts.09-27-2012
20130175916MULTICHIP PACKAGE STRUCTURE AND LIGHT BULB OF USING THE SAME - A light bulb includes a base unit, an electrical connecting unit, a light-emitting unit, and a lamp cover unit. The base unit includes a base body connected with the electrical connecting unit. The light-emitting unit includes a substrate body disposed on the base body, a plurality of blue and red light emitting groups disposed on the substrate body and electrically connected with the substrate body, and a phosphor resin body formed on the substrate body to cover the blue and red light emitting groups. Each blue light emitting group includes a plurality of blue light emitting elements electrically connected with each other in series, and each red light emitting group includes a plurality of red light emitting elements electrically connected with each other in series. The lamp cover unit includes a light-permitting cover disposed on the top side of the base body to cover the light-emitting unit.07-11-2013
20110273073MULTI-FACET LIGHT EMITTING LAMP - A multi-facet light emitting lamp including a first light source plate, a second light source plate, and a plurality of airflow channels is provided. The first light source plate has at least one first connecting terminal. The second light source plate has at least one second connecting terminal. The first connecting terminal is connected with the second connecting terminal, and an inner space is formed between the first light source plate and the second light source plate. The inner space and a space outside the multi-facet light emitting lamp are connected by the airflow channels.11-10-2011
20110273072LIGHT BULB - A light bulb includes an enclosure, a heat-dissipating unit, and a lamp unit. The enclosure extends along an axis, and defines an inner space therein. The heat-dissipating unit includes a hollow first heat-dissipating element disposed in the inner space, a second heat-dissipating element surrounded by the first heat-dissipating element and extending along the axial direction, and an end heat-dissipating element mounted to the second heat-dissipating element at a distal end thereof. The lamp unit includes a first circuit board disposed at a periphery of the first heat-dissipating element, a second circuit board mounted on the end heat-dissipating element, and a plurality of light-emitting elements mounted on the first and second circuit boards for emitting light beams.11-10-2011
20130113358LAMP WITH REMOTE LED LIGHT SOURCE AND HEAT DISSIPATING ELEMENTS - LED based lamps and bulbs are disclosed that comprise an elevating element to arrange. LEDs above the lamp or bulb base. The elevating element can at least partially comprise a thermally conductive material. A heat sink structure is included, with the elevating element thermally coupled to the heat sink structure. A diffuser can be arranged in relation to the LEDs so at least some light from the LEDs passes through the diffuser and is dispersed into the desired emission pattern. Some lamps and bulbs utilize a heat pipe for the elevating elements, with heat from the LEDs conducting through the heat pipe to the heat sink structure where it can dissipate in the ambient. The LED lamps can include other features to aid in thermal management and to produce the desired emission pattern, such as internal optically transmissive and thermally conductive materials, and heat sinks with different heat fin arrangements.05-09-2013
20130127325LIGHT EMITTING DEVICE - An exemplary light emitting device includes a base, a pair of leads fixed on the base, a light emitting element mounted on the base and electrically connected to the leads and an encapsulant attached on the base and sealing the light emitting element. The base has a plurality of heat conductive paths formed therein. The heat conductive paths extend from a bottom face to a top face of the base to conduct heat generated by the light emitting element from the top face to the bottom face of the base.05-23-2013
20130134856ILLUMINATING DEVICE - An illuminating device including a hollow body and a circuit board is provided. The hollow body includes a first opening end, a second opening end and a pair of first hooking portions, wherein a bore of the second opening end is larger than a bore of the first opening end. The first hooking portions are disposed on the first opening end. The circuit board is disposed in the hollow body and has a pair of second hooking portions, wherein the first hooking portions interfere with the second hooking portions.05-30-2013
20130140974LED-LIGHT HEATSINK AND LED LAMP - The present invention provides an LED-light heatsink and a light-emitting diode (LED) lamp having the same heatsink. The LED-light heatsink comprises: a hollow heatsink body; and a heatsink baseplate for enclosing one end of the heatsink body. The present invention can significantly improve the heat-dissipation effect of an LED-light.06-06-2013
20110215699SOLID STATE LAMP AND BULB - Solid state lamps and bulbs comprising different combinations and arrangements of a light source, one or more wavelength conversion materials, regions or layers which are positioned separately or remotely with respect to the light source, and a separate diffuser. These are arranged on a heat sink in a manner that allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni-directional emission pattern, even with a light source comprised of a co-planar arrangement of LEDs. Additionally, this arrangement allows aesthetic masking or concealment of the appearance of the conversion regions or layers when the lamp is not illuminated. Various embodiments of the invention may be used to address many of the difficulties associated with utilizing efficient solid state light sources such as LEDs in the fabrication of lamps or bulbs suitable for direct replacement of traditional incandescent bulbs. Embodiments of the invention can be arranged to fit recognized standard size profiles such as those ascribed to commonly used lamps such as incandescent light bulbs, while still providing emission patterns that comply with ENERGY STAR® standards.09-08-2011
20110215697LED LAMP WITH ACTIVE COOLING ELEMENT - 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 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 fan's 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.09-08-2011
20110248619LED LIGHT DEVICE WITH IMPROVED THERMAL AND OPTICAL CHARACTERISTICS - A lighting device such as a light bulb is disclosed. The lighting device includes an optical sub-assembly adapted to generate light when electrically excited; a body sub-assembly thermally coupled to the optical sub-assembly to draw heat away from the optical sub-assembly and to dissipate it; an electrical sub-assembly electrically connecting the optical sub-assembly to the body sub-assembly; and a final assembly covering at least a portion of the optical sub-assembly.10-13-2011
20110248614Safety LED Bulb with Inside Heat Sink - An LED bulb has an external power supply connector, a bulb cup mounted to the external power supply connector, a fan; an internal power supply receiving power from the external power supply connector, and providing an output power. The bulb also includes a heatsink, an LED light source mounted to the heatsink and receiving power from the internal power supply, and a bulb cover covering the LED light source. The heat sink is mounted at a connection part of the bulb cup and bulb cover and the bulb cup is separated from the LED light source in the bulb cover. The bulb cup has a plurality of air vents formed as apertures in the surface of the bulb cup which can comprise a pair of rows of air vents such as a lower row and an upper row.10-13-2011
20100289396LED BULB AND LIGHTING APPARATUS - An object of the present invention is to provide an LED bulb in which temperature of a lighting circuit is suppressed from rising during lighting of an LED so that life time of the lighting circuit is maintained without increasing manufacturing cost of components. According to the invention, an LED module 11-18-2010
20100308707LED MODULE AND METHOD OF FABRICATION THEREOF - An LED module includes a heat dissipating device and an LED mounted on the heat dissipating device. The heat dissipating device includes a connecting surface. An insulating layer is deposited on the connecting surface of the heat dissipating device through vacuum sputtering, vaporization or anodizing. A circuitry is formed on the insulating layer. The LED is packaged on the circuitry and electronically connects with the circuitry.12-09-2010
20110234077HIGH INTENSITY REPLACEABLE LIGHT EMITTING DIODE MODULE AND ARRAY - A light fixture, comprising a matrix, a plurality of electrical sockets fixedly secured to the matrix and forming a rigid matrix of electrical sockets electrically interconnected in two dimensions. One or more light emitting diode modules are individually removable and replaceable within any individual electrical socket within the matrix. Each individual light emitting diode module includes a base and a light emitting diode, wherein the base is configured and arranged for fitted electrical engagement within the electrical socket.09-29-2011
20110234076INSIDE-OUT LED BULB - An LED based light comprises a base, a light structure, a heat dissipating structure, and at least one LED. The light structure is adjacent to the base and extends along a longitudinal axis of the light. The light structure includes an inner surface and an outer surface and defines a cavity, and the heat dissipating structure extends into the cavity. At least one LED is mounted in thermally conductive relation to the heat dissipating structure. In one version, the light structure is an annular flange, and an organic LED is mounted to the outer surface. In another version, the light structure is a light pipe configured to distribute a light produced by the at least one LED in a predetermined light distribution.09-29-2011
20100314986LED RETROFIT FOR MINIATURE BULBS - 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.12-16-2010
20100314985Omnidirectional LED Light Bulb - An LED light bulb has a hollow LED support/heat sink (12-16-2010
20100314984LIGHT EMITTING DIODE LAMP - A light emitting diode (LED) lamp including a connector, an LED module, an angle adjusting ring, an isolating ring, and a heat dissipating module is provided. The LED module is electrically connected to the connector and has at least one LED unit. The angle adjusting ring is disposed between the LED module and the connector for rotating the LED module, and includes at least one locking element for fixing the LED module on the connector. The isolating ring is disposed between the connector and the angle adjusting ring. The heat dissipating module is in contact with the LED module for preventing the LED module from overheating. The heat dissipating module includes at least one heat pipe and a plurality of fins connecting to the at least one heat pipe, where the at least one LED unit is disposed on the at least one heat pipe.12-16-2010
20130181593CERAMICS SUBSTRATE FOR MOUNTING LIGHT-EMITTING ELEMENT AND LIGHT-EMITTING DEVICE - A ceramics substrate for mounting a light-emitting element includes a ceramic sintered body, the ceramic sintered body having a mounting section on which a light-emitting element is mounted, in a surface portion on a mounting section side of the ceramic sintered body, a ratio of crystal grains having a crystal grain size of 0.2 μm to 1.0 μm in equivalent circle diameter being in a range of 45% to 80%, a ratio of crystal gains having a crystal grain size of 2.0 μm to 6.0 μm in equivalent circle diameter being in a range of 5% to 15%, and a ratio of crystal grains having a crystal grain size of more than 6.0 μm in equivalent circle diameter being 2.7% or less.07-18-2013
20110309735LIGHT BULB USING SOLID-STATE LIGHT SOURCES - A light bulb has a light guide configured as a hollow body surrounding an internal volume. The light guide is open at its proximal and distal ends, and has inner and outer surfaces and an end surface at the proximal end that provides a light input edge. A solid-state light source is optically coupled to the light input edge of the light guide such that light from the solid-state light source travels in the light guide by total internal reflection. The solid-state light source is thermally coupled to a housing at the proximal end of the light guide. The housing contains vents for air flow and convection cooling through the internal volume. Light-extracting optical elements at least one of the inner surface and the outer surface of the light guide are for extracting light from the light guide.12-22-2011
20110309734LED LAMP AND A HEAT SINK THEREOF HAVING A WOUND HEAT PIPE - The present invention relates to a LED lamp and a heat sink thereof having a wound heat pipe. The LED lamp includes the heat sink, a LED module and a lamp base electrically connected to the LED module. The heat sink includes a heat-conducting base, a heat-dissipating fin set and a wound heat pipe. The heat-dissipating fin set includes a plurality of heat-dissipating fins arranged at the outer periphery of the heat-conducting base. The heat-dissipating fins form an accommodating space. The wound heat pipe includes an evaporating section brought into thermal contact with the heat-conducting base and a condensing section brought into thermal contact with the heat-dissipating fins. The LED module abuts against the heat-conducting base and the evaporating section. By this structure, the heat-conducting path is shortened, the heat-conducting speed is accelerated, and the heat is rapidly and uniformly distributed to the heat-dissipating fins to improve the heat-dissipating efficiency.12-22-2011
20130187528Multiple-tier Omnidirectional Solid-State Emission Source - Multiple-tier omnidirectional solid-state emission source capable of dispersing light in flexible distributions or custom-intensity distributions which throw more light forward, to the side alternatively, or in all directions. This optical light control requires multiple-surface manipulation of the directions of the light energy bundles emerging from solid-state light sources. Producing uniform light up to 325 degrees in the vertical direction through the combined implementation of multi-stage light guiding for remote source elongation and multiple-tiers of TIR, refraction, and scatter for remote source emission and control. Combining the efficient light production of an LED chip with that of a directly coupled optic results in high efficiency custom distribution to direct light where required. The optical light manipulator consists of a dielectric or reflector collector section, spline light-pipe section used to clear the cross-sectional area of a thermal dissipation device and a section which either externally, internally, or combinatorially feeds multiple-tier TIR/refractor elements.07-25-2013
20120007486LED LIGHT SOURCE IN INCANDESCENT SHAPED LIGHT BULB - An LED light bulb that includes a base providing an electrical connector and a substantially hollow envelope extending from the base. The light bulb further includes a metal space separator having a top side, bottom side and side wall that has a plurality of holes connected by at least one channel that extends through the interior of the separator, such that air can pass through the separator. At least one LED is mounted on the separator in electrical connection with the base connector.01-12-2012
20130193829HIGH INTENSITY REPLACEABLE LIGHT EMITTING DIODE MODULE AND ARRAY - A light fixture, comprising a matrix, a plurality of electrical sockets fixedly secured to the matrix and forming a rigid matrix of electrical sockets electrically interconnected in two dimensions. One or more light emitting diode modules are individually removable and replaceable within any individual electrical socket within the matrix. Each individual light emitting diode module includes a base and a light emitting diode, wherein the base is configured and arranged for fitted electrical engagement within the electrical socket.08-01-2013
20120038261HEAT-DISSIPATING STRUCTURE AND LIGHTING MODULE HAVING THE SAME - A heat-dissipating structure of lighting includes a main body having a plurality of side surfaces; at least one heat pipe connecting to the main body, wherein each heat pipe has a hot end embedded in the main body and a cold end having a contacting surface; and at least one external heat sink mating to the contacting surface. The instant disclosure also provides a lighting module having said heat-dissipating structure.02-16-2012
20120062096LED ILLUMINATION DEVICE AND CONDUCTION STRUCTURE THEREOF - A conduction structure includes a cooling plate and conductive members. A circuit board and a lamp panel are fixed at two sides of the heat cooling plate. The circuit board forms conductive areas. The cooling plate forms conductive areas and first holes with conductive inner faces. The lamp plate defines second holes. The lamp plate forms conductive areas around the second holes on the side away from the heat cooling plate. The conductive areas of the cooling plate contact with the corresponding conductive areas of the circuit board. Each conductive member includes a head and a rod. The rod engages in a corresponding first hole and a corresponding second hole in a transitional fit manner. The head electrically contacts the conductive area of the lamp plate. An LED illumination device using the same conduction structure is also provided.03-15-2012
20120086322LED BULB HEAT DISSIPATION STRUCTURE - An LED bulb heat dissipation structure includes a heat dissipation member and a heat conduction member. The heat dissipation member has a first main body, a heat dissipation section and an electrical conduction section. The heat dissipation section is arranged around the first main body and the electrical conduction section is disposed at one end of the first main body. The heat conduction member has a second main body upright protruding from the other end of the first main body. A heat conduction section is disposed along a periphery of the second main body. Multiple LED modules are disposed on the heat conduction section. The LED bulb heat dissipation structure is able to dissipate heat generated by the LED modules at higher heat dissipation efficiency and enlarge projection angle of the LED modules.04-12-2012
20130207533TL RETROFIT LED MODULE OUTSIDE SEALED GLASS TUBE - This invention relates to a lighting device comprising a light generation unit (08-15-2013

Patent applications in class Having heat conducting path