Abstract: A motor vehicle headlight lighting module comprising at least one first light source, a device for converting the wavelength of the light emitted by the first light source; and a fan able to generate a flow of air. The lighting module includes at least one first air duct and one second air duct that are separate, the fan being placed at the inlet of each of the first and second air ducts so as to distribute the flow of air between the ducts, the first light source and the wavelength converter device being disposed at the outlet of the first and second air ducts, respectively.

Abstract: A lighting device for a vehicle includes a plate-shaped flange; a placing portion provided on a first face of the flange; a light emitting module provided at an end face of the placing portion, and which includes a light emitting element; and a plurality of heat radiating fins formed in a plate shape, and which is provided on a second face of the flange on a side opposite to the first face. Also, the device includes a plurality of first protrusion portions provided on the second face of the flange in a line, in a direction intersecting a direction in which the plurality of heat radiating fins are aligned; and a second protrusion portion which is provided on the second face of the flange on a side opposite to the plurality of first protrusion portions, by interposing the plurality of heat radiating fins therebetween.

Abstract: The preset invention provides a light unit attached to a vehicle, the unit including a ventilation mechanism configured to ventilate a space between an outer lens and a housing, wherein the ventilation mechanism includes a first passage including, at one end, a first opening connected to a communicating hole and communicating with the space, a second passage including, at one end, a second opening that opens to a front side of the vehicle, a third passage including, at one end, a third opening that opens to a rear side of the vehicle, and a connecting passage to which the other end of the first passage, the other end of the second passage, and the other end of the third passage are connected.

Abstract: An innovative and highly efficient light system is disclosed herein. The light system includes a housing with an inner shroud and an outer shroud, a first light source and a second light source. The inner shroud is disposed within the outer shroud, and both light sources are disposed within the inner shroud. The second light source may produce light and heat. The heat from the second light source may be absorbed by the first light source to enable the first light source to more efficiently produce light. The light system may provide light from both the first light source and the second light source simultaneously. The inner surface of the outer shroud may contain an infrared reflective coating configured to retain the heat produced from the second light source within the housing while still enabling the output of the visible light produced by the first and second light sources.

Abstract: A motor vehicle lighting device includes structural elements with a housing, at least one light module accommodated inside the housing, and at least one light source cooperating with an optical surface. The light module is provided with a heat sink, a generator of an air flow, and a single air duct suitable for cooperating with the generator of the air flow such as to direct the generated air flow towards the heat sink of the at least one light module. The air duct is formed by an open part added in the housing, and at least one closing structural element suitable for closing all or part of the added part.

Abstract: A vehicle headlamp assembly is generally shown. The headlamp assembly includes a housing, and a lens supported by the housing. The headlamp assembly includes a connecting member connected to the housing between the housing and the lens. The connecting member extends circumferentially about the housing. The connecting member is a different type of material than the housing and the lens, and the connecting member is deformable relative to the housing.

Abstract: A light-emitting diode (LED) module holder includes a seat, a first holding member, a second holding member, an LED module and two terminals. The LED module is mounted on the seat. The seat has multiple positioning bosses formed thereon to stop the LED module from moving horizontally. The first holding member and the second holding member are mounted on a rear portion and a front portion of a top of the seat, and the first holding member and the second holding member respectively have a first pressing portion and a second pressing portion that fasten the LED module to prevent the LED module from moving vertically. Accordingly, loose contact of electrical connection portions in the LED module holder arising from issues of alignment and fixing can be avoided.

Abstract: Lens fogging or frosting on an instrument lens may be reduced or prevented by hermetically sealing the instrument housing. Damage or rupture of the hermetically sealed housing due to an increase in pressure within the housing may be avoided while maintaining the hermetic seal by connecting a reservoir having an expandable volume to the housing.

Abstract: The present invention concerns a lighting and/or signaling device (10) for a motor vehicle, said lighting and/or signaling device (10) comprising: a housing (1); an outer lens (3) designed to close the housing (1); at least one light module (5) housed inside said housing (1) comprising: at least one optical surface (9, 9?, 9?); at least one light source (7, 7?) interacting with said optical surface (9, 9?) to form a light beam; a heat sink (11) comprising a plurality of fins (13); an air flow generator (15) designed to generate an air flow (17) towards the heat sink (11), said air flow (17) passing through the fins (13) of the heat sink (11); and a light module holder (19) comprising a front part (20a) oriented toward the outer lens (3) with a plurality of gaps (21) designed to direct the air flow (17) coming from the heat sink (11) towards the outer lens (3).

Abstract: A lighting and/or signaling device for a motor vehicle, including an internal chamber housing an optical system and at least one element made of polymer material having a surface directed toward the interior of the chamber, wherein the surface directed toward the interior of the chamber is provided with a sealing layer forming a barrier to the ingress of water molecules to the chamber. The method for manufacturing such a device is also a subject of the invention.

Abstract: The invention relates to a mounting device (100) for an optical body (1) for a motor vehicle headlight or for a light module for a motor vehicle headlight, which optical body (1) has a number of adjacently arranged ancillary optical systems (11, 12, 13, 14, 15), wherein each ancillary optical system (11-15) is formed from a light-guiding material and each ancillary optical system (11-15) has a light coupling-in face (11a-15a) and a light decoupling face (11b-15b), wherein the ancillary optical systems (11-15) are mechanically interconnected in the region of the light decoupling faces (11b-15b) by at least one connecting web (21, 22) extending transversely to the ancillary optical systems (11-15), wherein the at least one connecting web (21, 22) is optically ineffective at least in regions, wherein the mounting device has a main body (101) having receptacles (121, 122) for the optical body (1), and a retaining body (102), which holds the optical body in the main body by means of camping elements (102b, 102c).

Abstract: An automotive vehicle includes a headlamp housing mounted to a body of the vehicle. An airflow opening extends through the headlamp housing. A light guide coupled to the housing forms a portion of an airflow passage extending from the airflow opening into an interior of the body of the vehicle. A surface of the light guide is etched with a design extending along a length of the airflow passage. An LED light generating unit is positioned adjacent an end of the light guide to pass light from the light generating unit through the light guide that illuminates the etched design.

Abstract: A vehicle headlamp is provided including a road surface pattern-rendering unit and a dust removal device. The road surface pattern-rendering unit is installed to a headlamp unit provided to a front end section of a vehicle, and forms a specific light distribution pattern by causing light shone from a light source to be reflected by a MEMS mirror toward a vehicle front side. The dust removal device is provided to the headlamp unit and removes dust adhering to the MEMS mirror.

Abstract: A lighting apparatus to be installed on a mobile object includes: a heat dissipator having a first outer surface and a second outer surface different from the first outer surface; a first light-emitting device thermally coupled to the first outer surface of the heat dissipator; a second light-emitting device thermally coupled to the second outer surface of the heat dissipator; a reflector that reflects light emitted from the first light-emitting device; a first lens that is disposed in a path of light reflected by the reflector and that transmits the light from the reflector along a predetermined lighting direction; and a second lens disposed in a path of light from the second light-emitting device.

Abstract: A moisture electrolysis apparatus for a headlamp may include a first electrode connected to one electrode of a power supply, exposed to an internal space of a headlamp housing, and having a pillar shape; a second electrode connected to the other electrode of the power supply, exposed to the internal space of the headlamp housing, surrounding an outer peripheral surface of the first electrode and distanced from the first electrode by a predetermined distance to form a gap between the electrodes, and having a pillar shape; a dielectric coated on a surface of a one of the first electrode and the second electrode facing each other; and an electric discharge air duct formed between the first electrode and the second electrode, circulating air in the headlamp, and electrolyzing moisture in the air through an electric discharge phenomenon generated between the first electrode and the second electrode.

Abstract: A light with improved moisture control for a vehicle. The light has a housing and a lens, the housing and the lens forming a light interior. The light also includes a lamp that is at least partially enclosed within the light interior. A vent duct is included and extends through the housing from the light interior to an exterior of the light. An anti-humidity fan is present within the vent duct and is operable to move moisture from the light interior to the exterior of the light and thereby prevent fogging of the light lens.

Abstract: A heat sink for an automobile lighting module comprising a duct running across the heat sink, intended to circulate air from a first opening of the heat sink toward a second opening of the heat sink, the duct comprising at least one circulation chamber, the at least one circulation chamber comprising an air inlet and an air outlet, offset from each other, the duct further comprising at least one deflection means defining, within the circulation chamber, at least one air deflection baffle (C1, C2) for air circulating between the air inlet and the air outlet of the circulation chamber. A lighting module and vehicle lighting device.

Abstract: The invention relates to a light module for a vehicle headlamp, having at least one semiconductor light source and having at least one mounting plate. The semiconductor light source is accommodated on a receiving side of the mounting plate. The mounting plate is disposed on the heat sink with a cooling side lying opposite the receiving side, At least one semiconductor light source can be cooled. The heat sink has air guidance grooves on its side bordering the cooling side of the mounting plate, by means of which air guidance channels are formed over the cooling side of the mounting plate.

Abstract: Disclosed is a lighting device (1) comprising a housing (80), an air inlet (22) and an air outlet (24); a support structure (30) in said housing extending in between said air inlet and said air outlet, said support structure including a section (32) carrying at least one solid state lighting element (10); a conduit (20) from said air inlet to said air outlet such that the conduit extends over the support structure; and a fan (40) mounted in said conduit, wherein the fan is located closer to the air inlet than to the air outlet. A luminaire including such a lighting device is also disclosed.

Abstract: A headlamp duct 28 is connected with engine ducting 2 between air inlet 40 and ducting outlet 42 which is coupled to the engine. Headlamp duct 28 receives airflow 13 from engine ducting 2 and directs airflow to vehicle headlamp 30. A valve 6 disposed between headlamp duct 28 and engine ducting 2 is displaceable between a first position and a second position, whereby in the first position valve 6 permits airflow to headlamp duct 28 to be discharged toward vehicle headlamp 30, and in the second position valve 6 occludes airflow more to headlamp duct 28. Valve 6 is preferably responsive to air pressure in engine ducting 2. At low engine throttle, valve 6 permits airflow to headlamp duct 28 and at high engine throttle valve 6 is displaced to the second position, increasing air flow to the engine.

Abstract: Disclosed is a phase change material injection device, which is disposed in a housing or a vehicle headlamp in which a predetermined heat source is provided. The phase change material injection device is configured to eject a phase change material, which has been changed into a gas from liquid by heating of the heat source, into the housing, and may include: i) a container storing the phase change material in a liquid state; ii) a discharge unit disposed at the container for discharging a predetermined amount of the phase change material in a gas state; and iii) a valve unit having an ejection port connecting the discharge unit with the inside of the housing, disposed at the container, the valve unit selectively opening and closing the ejection port based on the internal temperature of the housing.

Abstract: A lamp device for a heavy duty vehicle includes a lamp housing unit having a base plate and a surrounding wall which cooperatively define an opening facing laterally, a light-transmissive lampshade cooperating with the base plate and the surrounding wall to define a chamber which is in communication with the opening, a low beam unit and a high beam unit mounted in the chamber, and a turning lamp unit including a plurality of turning lamps which are mounted on the base plate such that light emitted therefrom is visible through the opening.

Abstract: A lighting system has a dielectric cooling fluid which directly contacts with an LED chip; contacts with the heat sink base by moving towards the heat sink base, i.e. upwards, with the decreasing density as a result of the increased temperature due to the high temperature formed in the LED chip; at the same time the temperature thereof decreasing upon contacting with the heat sink base; moves towards the LED chip, and reduces the temperature of the LED chip by contacting the LED chip upon said movement; and movement channels through which the cooling fluid in gaseous or liquid phase passes during the movement of said cooling fluid.

Abstract: An object of the present disclosure is to reduce a failure rate due to a prolonged life span of a cooling fan while maintaining a satisfactory heat dissipating performance. When a signal indicating a first light-up state is input, a control unit sets a current value of an output current to a predetermined value such that a cooling fan is rotated at a predetermined rotation speed, and when a signal indicating a second light-up state is input, the control unit lowers the current value of the output current to a value lower than the predetermined value such that the rotation speed of the cooling fan is lower than the predetermined rotation speed. Therefore, the life span of the cooling fan may be prolonged while maintaining the satisfactory heat dissipating performance.

Abstract: A vehicular lamp includes an optical member having a reflective surface that reflects light from a light source, a heat radiating member configured to radiate heat generated by the light source; and a blowing mechanism configured to blow air at the reflective surface.

Abstract: An improved LED light source assembly is described, suitable for use as a retrofit for prior lighting fixtures of a kind including a concave reflector, an incandescent lamp positioned with its filament(s) at or near a focal region of the reflector, and a lens assembly for projecting light reflected by the reflector to a distant location, e.g., a theater stage. The improved LED light source assembly includes a compact arrangement of three or more LED assemblies, which are mounted at the forward end of an elongated heat pipe. The heat pipe's rearward end attaches to a heat sink mountable on the back side of the lighting fixture's concave reflector, and the heat pipe extends through a central hole in the reflector to position the LED assemblies at or near the concave reflector's focal region. The concave reflector reflects light emitted by the LED assemblies forward to the lighting fixture's lens assembly, which in turn projects a beam of light to a distant location.

Abstract: A transportation device lamp fixture includes a semiconductor light-emitting device, a circuit board to which the semiconductor light-emitting device is mounted, a lamp body, and a front cover that covers an opening of the lamp body. The semiconductor light-emitting device and the circuit board are housed inside of a lamp chamber formed by the lamp body and the front cover, and the circuit board is attached to an inside surface of an upper portion of the front cover or the lamp body.

Abstract: A light emitting diode bulb includes a lampshade, a lamp housing, a heat sink, a driving circuit, light emitting diode modules and a lamp cap. The lamp housing is connected to the lampshade and includes a cup-shaped casing and a heat conduction part. The heat conduction part is disposed in the cup-shaped casing. The heat sink is disposed in the lampshade and includes a heat-dissipating shell and a heat-dissipating frustum. The heat-dissipating shell covers the heat conduction part. The heat-dissipating frustum includes a top surface, a bottom surface and four side surfaces. The heat-dissipating frustum includes an axis vertical to the bottom surface. An included angle between the axis and each of the side surfaces is smaller than 90 degrees. The light emitting diode modules are adhered to the top surface and the side surfaces and connected to the driving circuit. The lamp cap is connected to the driving circuit.

Abstract: An omnidirectional LED lamp holder assembly includes a heat sink module including a heat sink base and radiation fins around the heat sink base, a lampshade and an electrical connector respectively mounted at opposing top and bottom sides of the heat sink module. The heat sink base is a one-piece extruded member defining a tubular heat-transfer base portion, a broad platform and a hollow protruding mount for holding LED chips at different angles. The broad platform horizontally protrudes over the periphery of the tubular heat-transfer base portion, providing a bearing face. The radiation fins are fastened to respective mounting grooves around the periphery of the tubular heat-transfer base portion. Waste heat produced during operation of the LED chips can be rapidly transferred by the hollow protruding mount to the broad platform and the heat-transfer base portion and then dissipated by the radiation fin into the outside open air.

Abstract: Disclosed is a hybrid lamp assembly (10) which includes a substantially parabolic reflector (12) having an open end (20) and a circumferential mounting member (18) extending outwardly from the open end (20) of the reflector (12). The mounting member (18) presents a plurality of nonparallel mounting surfaces (22). A primary, non-LED light source (14) is operably assembled with the parabolic reflector (12). A secondary light source (24), comprising a plurality of LED lamps (26), is positioned circumferentially around the open end (20) on the mounting surfaces (22). The LED lamps (26) are each mounted to project in a direction (42) substantially normal to the surface on which it is mounted.

Abstract: The invention relates to a retrofit LED lamp having an LED module, a driver circuit for supplying power to the LED module, a base for making mechanical and electrical contact with a bulb fitting and a heat sink arrangement for dissipating the heat produced during operation at the LED module and/or the driver circuit. The heat sink arrangement in this case has a metal mount insert consisting of a mount plate with an integrally attached collar, the mount plate bearing, in thermally conductive contact, the LED module, and a transparent upper shell being fitted to the collar of the mount insert in the light exit direction and a thermally conductive lower shell being fitted, in areal contact, in the direction of the base for heat dissipation, said upper shell and said lower shell together forming a housing of the LED lamp which surrounds the LED module and the mount insert.

Abstract: A lighting device may include: a cover in which a circuit board mounted with multiple lighting modules is provided, an end cap which is used to close the cover at least one end of the cover, as well as adhesive sealant, wherein the end cap includes a first portion that can be closely mounted into the cover and a second portion at the outside of the cover, and the second portion is configured to form a recess, the adhesive sealant encapsulate the cover and seal the end cap by flowing into the recess.

Abstract: An LED lamp for replacement of directional incandescent lamps. The lamp comprises a screw base, a plurality of LEDs located in a first position, and a driver for the LEDs located in a second position separate from the first position. A lamp housing is secured to the screw base, with the LEDs and the driver being located in the lamp housing. A heat spreader is mounted in the lamp housing in proximity to the LEDs to remove heat therefrom. The heat spreader can also remove heat from the driver, or the driver can be located in proximity to the screw base and in thermal connection therewith so that heat is transmitted through the screw base.

Abstract: Provided is a lighting apparatus that includes a housing having a bottom surface, a first side surface that extends from the bottom surface and a second side surface that extends from the bottom surface and positioned to face the first side surface. A substrate having a plurality of LEDs may be provided. A diffuser may be removably coupled to the housing and positioned over the substrate. An electronic module may be provided in the housing. The housing may include a first channel formed on the first side surface of the housing and a second channel formed on the second side surface of the housing. The first and second channels may be positioned to face each other to accommodate the diffuser. Moreover, at least one opening may be formed at the first and second channels for slidably inserting the diffuser in the first and second channels.

Abstract: A grill guard has an LED light bar positioned at a central location within the grill guard. The grill guard includes two vertically extending members and two horizontal members. The LED light bar is mounted within a casing which is integrated into the grill guard, with the LED light bar protected both by the grill guard and by the casing. The preferred mounting arrangement allows both pivoting and fore and aft movement of the LED light bar within the casing.

Abstract: Provided is a headlamp of a vehicle, and more particularly, an automotive headlamp which is structured in a simple manner to secure a sufficient amount of light, emit light in different beam patterns, and improve heat dissipation efficiency thereof. The automotive headlamp includes: a plurality of lamp modules disposed in different directions from an optical axis of the automotive headlamp; and a projection lens projecting light emitted from one or more of the lamp modules. Each of the lamp modules includes a light source unit emitting light downward, and a reflector disposed under the light source unit and reflecting light emitted from the light source unit.

Abstract: A configurable lamp assembly has a set of lamp-lens modules and a set of power modules. Each of the various lamp-lens modules can connect to one of the various power modules to provide a variety of lamp assemblies providing various illumination patterns operable from a number of supply voltages.

Abstract: Vehicle lighting device that comprises at least two light-emitting strips, wherein the light-emitting strips can each be controlled selectively and are allocated to different functions.

Abstract: A vehicle headlight assembly includes a housing, a lens, a radiation member and a circuit board. The housing has a first hole, and multiple first and second fixing tubes extend from the inside of the housing. The lens is located in the first hole of the housing and has at least two legs which are fixed to the first fixing tubes by multiple first fixing members. The lens has a multiple-focus curved surface on the front side thereof. The radiation member is located in the housing and behind the lens. The radiation member is connected to the second fixing tubes by multiple second fixing members. The radiation member has multiple fins and a fixing board to which the circuit board is connected. The circuit board has multiple Light Emitting Diodes whose beams pass through the multiple-focus curved surface of the leans and are spread to desired angles and areas.

Abstract: A headlamp disclosed includes: a laser diode for emitting a laser beam; a light emitting section including a fluorescent material which emits light in response to excitation light emitted from the laser diode; a light-transmitting heat conducting member which is provided so as to face a laser beam irradiation surface of the light emitting section and receive heat of the light emitting section; and an adhesive layer filling a gap between the heat conducting member and the laser beam irradiation surface. This arrangement improves efficiency of the heat conducting member in absorbing the heat of the light emitting section, and consequently cools the light emitting section efficiently.

Abstract: An integral air vent and lamp assembly for a vehicle passenger cabin includes a rotary vent housing and a hub defining an opening centered on a center axis of the vent housing having vent doors which open and close to admit or block airflow into the cabin. A lamp subassembly is disposed within the opening. The lamp subassembly may include a push-button micro-switch and light-emitting diodes (LEDs). A light diffusing lens and LED board may be positioned within a recess of an elongated T-shaped housing, which may include an axial member received by and rotating in conjunction with a gear element. The diffusing lens and LED board may be circumscribed by a bezel. A vehicle includes a power source, a body defining a passenger cabin, an air circulation device configured to move air to the passenger cabin, and the integral air vent and lamp assembly positioned in the passenger cabin.

Abstract: A device (1) for a motor vehicle with an electronics unit (10), which is used to control an electric component (11), and which is arranged on a cooling element (14) for cooling the electronics unit (10). According to the invention, provision has been made that the cooling element (14) basically consists of metal and the cooling element encloses the electronics unit (10) in such a way that it results in an electromagnetic shield of the electronics unit (10).

Abstract: A mounting collar on a light fixture provides a compressive force between the illumination module and a light fixture. For example, a mounting collar that is fixed to the light fixture may engage with an illumination module to deform elastic mounting members on the illumination module to generate the compressive force. The mounting collar may include tapered features on first and second members that are moveable with respect to each other and that when engaged generate the compressive force. The mounting collar may include elastic mounting members on first and second members that move with respect to each other, wherein the movement deforms the elastic mounting members to generate the compressive force. The mounting collar may include an elastic member, wherein movement movement of the mounting collar relative to a light fixture deforms the elastic member to generate the compressive force.

Abstract: A composite molded article comprising: a main body portion including, a bottom wall portion formed of an elastically deformable polymer material, and a peripheral wall portion protruding so as to surround a peripheral edge of the bottom wall portion and formed of an elastically deformable polymer material; a vent hole passing through the bottom wall portion; and a gas permeable membrane integrally connected to the main body portion and is permeable to gas but is impermeable to liquid, wherein the gas permeable membrane is arranged to the bottom wall portion so as to cover the vent hole and connected to the bottom wall portion at a periphery of the vent hole, and wherein the bottom wall portion includes at least one rigid body portion which is more difficult to be deformed than the bottom wall portion at an outer peripheral part of the gas permeable membrane.

Abstract: An automotive lamp is provided with: a lamp chamber formed so as to include a lamp body having a front end opening portion and a translucent cover provided on the lamp body so as to cover the front end opening portion; a lamp unit that is housed inside the lamp chamber and includes a semiconductor light emitting device as a light source; a bracket that includes a light source mounting portion having a mounting surface for the semiconductor light emitting device and a plurality of radiating fins, thermally in contact with the light source mounting portion and arranged such that ventilation passages extend from the lamp body side toward the translucent cover, are formed, and that supports the lamp unit; and a fan that blows air such that air flows through the ventilation passages from the lamp body side toward the translucent cover.

Abstract: A headlight for a vehicle having a housing in which LED modules and a reflector are accommodated, wherein the LED modules irradiate light into the reflector and wherein the light reflects at the reflector and leaves the headlight. It is inventively provided that the LED modules each have a cooling receptacle body, wherein the LED modules are mounted on the reflector by means of the respective cooling receptacle body.

Abstract: A lighting unit for a motorcycle for efficiently cooling heat generated from an LED apparatus. An LED lighting unit includes two plate-like members on which LED apparatus are mounted as light sources. Reflectors are disposed so as to cover the LED apparatus and configured to reflect irradiation light from the LED apparatus forwardly of the vehicle body. The two plate-like members are disposed in an opposing relationship to each other with a space provided therebetween such that mounting faces of the LED apparatus are directed to the outer sides. Cooling fins are provided on the two plate-like members in such a manner so as to extend in an opposing relationship to each other toward the space. The cooling fins are disposed such that a longitudinal direction thereof is perpendicular to a longitudinal direction of the two plate-like members. The plate-like members and the reflectors are formed separately from each other.

Abstract: A heat-dissipating structure for an LED lamp has a lamp cover, and a power conversion device and a ceramic substrate mounted inside the lamp cover. The lamp cover has multiple heat-dissipating holes and multiple mounting ears. Each mounting ear is formed on an edge of one of the heat-dissipating holes and is bent inwardly with the heat-dissipating hole uncovered. The ceramic substrate is mounted on the mounting ears. The ceramic substrate has multiple LEDs mounted thereon, absorbs heat generated when the LEDs emit light and conducts the heat to the lamp cover through the mounting ears. The heat generated when the LEDs are lit and the power conversion converts a mains power is transferred to a heat convection space between the ceramic substrate and the lamp cover, and is further dissipated to an ambient environment, thereby achieving fast heat dissipation and a light LED lamp without an additional heat sink thereon.

Abstract: A luminaire includes a heat spreader, a heat sink, a light source and an outer optic. The heat sink is substantially ring-shaped and is disposed around and in thermal communication with an outer periphery of the heat spreader. The light source is disposed in thermal communication with the heat spreader, the light source having a plurality of light emitting diodes (LEDs) that are disposed in thermal communication with the heat spreader. The outer optic is disposed in optical communication with the plurality of LEDs. The heat spreader, the heat sink and the outer optic, in combination, have an overall height H and an overall outside dimension D such that the ratio of H/D is so dimensioned as to: cover an opening defined by a nominally sized four-inch can light fixture; and, cover an opening defined by a nominally sized four-inch electrical junction box.

Abstract: The invention provides lighting apparatuses which are power efficient, environment friendly and long lasting and can be manufactured with high degree of speed, accuracy and flexibility. The lighting apparatuses are easily serviceable and can be produced, transported economically and have higher economical value even on completion of life term of the lighting apparatuses. The present invention reduce the waste of raw material thereby utilizing maximum percentage raw material for produce solid state lighting fixtures using CAD and CNC process and provides retrofitting lighting apparatuses which can be replaced without making considerable changes in existing infrastructure.