Abstract: An aircraft light consists of a housing containing a light source, a heat sink element forming at least part of the exterior surface of the housing and an auxiliary thermal capacitor that is thermally decoupled from the heat sink element. A thermally expandable medium is coupled to the heat sink element and operates to thermally decouple the light source from the heat sink element and thermally couple the light source to the auxiliary thermal capacitor and vice versa, depending on the actual temperature of the heat sink element.

Abstract: A lighting apparatus includes a case, a power source unit, and a light emitting unit. The case has a side portion provided around a first axis parallel to a direction from the power source unit toward the light emitting unit. The side portion has a first portion and a second portion disposed around a central axis parallel to the first axis. The first portion has a long distance to the central axis. The second portion has a short distance to the central axis. An end portion of an inner surface of the second portion is configured to have at least one selected from a portion perpendicular to the central axis and a portion has a recessed configuration with respect to the central axis when the inner surface is cut by a cross-section perpendicular to the central axis.

Abstract: A lamp including the following elements is provided. A housing has an assembling opening and an electrical base on two ends thereof, wherein the housing has an inner wall and a portion of the inner wall adjacent to the assembling opening is an air-guiding wall. A cooling fan has a casing disposed at the assembling opening and forming an air channel, a fan wheel rotatably arranged in the air channel, and two partitioning boards between the air-guiding wall and the air channel so as to define two first air-guiding openings and a second air-guiding opening. A light-emitting module is arranged in the housing and opposite to the fan wheel. Accordingly, the present lamp does not require forming any air inlet or air outlet on the housing, and thus provides a simplifier structure.

Abstract: A fluorescent lamp type light emitting apparatus is provided. The light emitting apparatus comprises a cover, a light emitting module, radiation pads, and cap parts. The cover comprises a first cover and a transmissive second cover coupled to the first cover. The light emitting module comprises a plurality of light emitting diodes in the cover. The radiation pads are disposed on the light emitting module. The cap parts comprise electrode terminals at both ends of the cover.

Abstract: In various embodiments, an illumination device includes driver and LED lighting modules collectively sized to fit within a recessed-can lighting fixture constructed for use with incandescent or halogen bulbs, thereby facilitating LED changeover without removal and replacement of the fixture.

Abstract: A lighting device comprising a solid state light emitter and a fan, the fan blowing fluid toward the emitter. A lighting device comprising a solid state light emitter and a baffle, the solid state light emitter being movable. A lighting device comprising a solid state light emitter, a substrate and a diaphragm, the diaphragm defining a chamber having a valve and being movable. A lighting device comprising a housing and a solid state light emitter within the housing, the solid state light emitter being movable. Also, methods of cooling a lighting device.

Abstract: A lighting assembly is disclosed. The lighting assembly has an extrusion having a back plate and a plurality of fins. Each fin has a plurality of openings. The lighting assembly has at least one circuit board with a plurality of LEDs. The lighting assembly also has at least one lens holder. Each lens holder has a plurality of openings and a plurality of pockets. The plurality of openings of the lens holder are disposed to accommodate the plurality of LEDs when the lens holder is placed on top of the circuit board. Each of the plurality of pockets is used to accommodate placement of a corresponding lens. The plurality of LEDs are disposed, and the corresponding lenses are sized and disposed, to maximize light density over a given area.

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

Abstract: An illumination light source includes a light emitting module having a light emitting part, a circuit unit, a base, a tube-like first housing member to accommodate the circuit unit, and a second housing member having a plurality of radiation fins. The light emitting module is disposed on one opening-side of the first housing member, while the base is disposed on the other opening-side. The second housing member includes a rotary ring body with a rotation axis agreeing with the center axis of the first housing member, and the plurality of the plate-lake radiation fins. The plurality of the radiation fins is parallel to one virtual plane containing the rotation axis, and disposed at intervals between each other in the direction orthogonal to the virtual plane. The inner wall of the rotary ring body surrounds the outer walls of the first and second housing members to combine the members.

Abstract: An lighting device capable of efficiently dissipating heat generated by a light emitting section without exposing a heat dissipating section to the appearance so as to prevent a user from directly touching the heat dissipating section. A strobe device includes a high-luminance LED, a head plate to which heat generated by the high-luminance LED is transferred, a control unit housing that contains the high-luminance LED and the head plate, a front cover that is used for at least part of an exterior of the control unit housing and is formed with heat dissipating holes, and a bounce housing that can turn with respect to the control unit housing. The heat dissipating holes are formed in a surface, opposed to the bounce housing, of the front cover.

Abstract: Provided are a light source device that can effectively cool a surface side of a light-emitting element substrate, and a projection type display device that includes the same. The light source device includes substrate (290), light-emitting element (210), optical element (400), and optical element support member (300). Two through-holes (220) are formed in substrate (290). Light-emitting element (210) is mounted on substrate (290). Optical element support member (300) is located to surround two through-holes (220) and light-emitting element (210), and forms, with substrate (290), flow path (700) that passes through light exit surface (211) of light-emitting element (210). Each through-hole (220) and flow path (700) are connected to each other.

Abstract: A light fixture includes a heat dissipating structure, an electronics assembly, and a bolt for attaching the heat dissipating structure to an external panel. The heat dissipating structure includes a first side having multiple outwardly extending projection regions and a socket, for receiving a light source, is formed in an apex of each projection region. A second side of the heat dissipating structure includes a heat sink formed in an internal cavity of each projection region. The heat sink includes fins in contact with and radially arranged about an outer surface of the socket. The electronics assembly is located at the first side of the heat dissipating structure. The bolt includes a passage through which wiring from an external source is routed to the electronics assembly. The electronics assembly includes wires routed through channels in each of the projection regions that electrically interconnect the light sources to the electronics assembly.

Abstract: A heat-dissipating lamp cap of a light-emitting diode (LED) tube has a tubular portion and a cap portion. The tubular portion has an annular wall and two openings. The annular wall has a heat-dissipating portion defined as a portion of the annular wall extending axially between the two openings and aligning with electronic elements over one end of the LED tube. The cap portion covers one of the openings of the tubular portion and has two electrodes and a conducting resilient piece. The conducting resilient piece has an electrode connection portion electrically connected to the electrodes and an abutting portion electrically connected to the LED tube. When the LED tube is operated, heat generated by the heating elements on ends of the LED tube can be dissipated through the heat-dissipating portion of the heat-dissipating lamp cap.

Abstract: A optical semiconductor lighting apparatus includes: a board; a drive IC which is disposed in a central portion of the board; a plurality of semiconductor optical devices which is disposed adjacent to and around the drive IC in the board in a grid shape in one or more rows and columns; a non-insulating heat sink in which the board is disposed; an insulating housing which accommodates the heat sink and protects the drive IC and the plurality of semiconductor optical devices from withstand voltages; and a first optical member which faces the plurality of semiconductor optical devices, transmits or reflects light irradiated from the semiconductor optical devices, and forms a vertical vent hole corresponding to the drive IC; and a second optical member which is connected to an upper side of the housing and forms light distribution by refracting light transmitted or reflected from the first optical member.

Abstract: According to one embodiment, a luminaire includes a socket, a radiating member, and a reflecting member. The socket is adapted for loading a lamp unit therein. The lamp unit loaded in the socket contacts the radiating member. The reflecting member is sandwiched and fixed between the socket and the radiating member.

Abstract: A lighting device may be provided that includes: a light emitting module; a heat sink disposed on the light emitting module; a heat radiating fan disposed on the heat sink; and a housing which receives the light emitting module, the heat sink and the heat radiating fan, and includes an air inlet port and an air outlet port which are separated from each other, and includes a partition separating the air inlet port from the air outlet port, wherein the air inlet port is connected to a space between the heat radiating fan and the housing, and wherein the air outlet port is connected to a space between the heat sink and the heat radiating fan.

Abstract: The present disclosure involves a lighting apparatus. The lighting apparatus includes a photonic device that generates light. The lighting apparatus includes a printed circuit board (PCB) on which the photonic device is located. The lighting apparatus includes a diffuser cap having a curved profile covering the PCB and the photonic device. The diffuser cap has a textured surface for scattering light generated by the photonic device. The lighting apparatus includes a thermally conductive cup that surrounds the diffuser cap and thermal conductively coupled to the PCB. The cup has a reflective inner surface that reflects light transmitting through the diffuser cap. The lighting apparatus includes a heat dissipation structure for dissipating heat generated by the photonic device. The heat dissipation structure is thermally coupled to the cup.

Abstract: A lighting device in which a heat sink and a cover are formed by co-extrusion and a manufacturing method for the same are provided. The heat sink and the cover may be co-extruded. A shape control portion may be formed at the heat sink to control a shape of a seating portion to seat a circuit substrate during extrusion of the heat sink. In addition, a light characteristic control portion may be provided between a light emitting diode (LED) and the cover to control characteristic of light generated from the LED.

Abstract: A flexible layered structure is disclosed having a flexible top conductive layer, a flexible bottom heat sink layer and a flexible dielectric middle layer. The combination has a longitudinal axis and a plurality of defined positions spaced along the longitudinal axis. The defined positions can be used for aligning a circuit and/or for the placement of LED lights. The flexible layered structure can be easily bent to form a LED substrate for shining light in more than one direction while efficiently removing heat arising from the LEDs.

Abstract: A lighting assembly includes a cooling system configured to enable the dissipation of a large amount of energy in the form of heat generated by a light source. The cooling system is configured as a gravity feed cooling loop that does not require a powered fluid pump. The light source can be a plurality of LEDs mounted on a printed circuit board (PCB). The PCB is aligned and mounted vertically onto an evaporator. The evaporator is configured to enable the vertical alignment of the PCB and to cool the PCB while in this vertical alignment. The vertical alignment of the PCB enables horizontal projection of light emitted by the LEDs, such as in an automotive headlight application.

Abstract: A light-emitting device (1), comprising an LED-module (3) comprising at least one LED mounted on a carrier and at least one connection pad (10a-b) for electrical connection of the LED module (3), a heat dissipator (2) for dissipating heat generated by the LED when in operation, a connection board (4) comprising a substrate having a conductor pattern for enabling provision of external power to the LED module (3), an interconnecting arrangement (7a-d) comprising at least one connection spring (7a-d) attached to the connection board (4) electrically interconnecting the at least one connection pad (10a-b) of the LED module (3) with the conductor pattern of the connection board (4), and an LED-holder comprising at least one holding spring (7a-d) attached to the connection board (4) exerting a spring force there by pressing the LED-module (3) against the heat dissipator (2) to provide a thermal connection between the LED-module (3) and the heat dissipator (2).

Abstract: A moisture release valve for an outdoor light including a valve body having a stem received in a valve guide and having a head seating with a valve seat integrally formed of part of a sidewall of a light casing of the light fixture. Valve body is gravity displaced between a closed position and an open position depending upon light fixture orientation and can include a counterweight carried by its stem interiorly disposed within the fixture helping to cause displacement of the valve body toward the desired open or closed position in response to a change in light fixture orientation. Valve body can be a rivet, such as a split rivet, and the counterweight can be a washer, such as an annular washer, having an opening generally in registry with the valve guide permitting fluid within the fixture to drain from the fixture when the valve is open.

Abstract: The present invention provides a LED heat dissipation device having axial and radial convection holes for meeting the heat dissipation requirement of a light emitting diode (LED), so the heat dissipation device is not only equipped with a function of dissipating heat to the exterior through the surface of the heat dissipation device, but also provided with the air flowing capable of assisting heat dissipation through the hot airflow in a heat dissipation member having axial and radial convection holes (101) generating a hot ascent/cold descent effect for introducing airflow from an air inlet port formed near a light projection side to pass an axial tubular flowpath (102) then be discharged from a radial air outlet hole (107) formed near a connection side (104) of the heat dissipation member having axial and radial convection holes (101).

Abstract: Display apparatuses are provided. The display apparatus includes a light source package generating light, a circuit board including a recessed region in which the light source package is disposed, a display panel displaying images, and a light guide plate directing the light generated from the light source package onto the display panel. The light guide plate includes a top surface, a bottom surface, and a plurality of sidewall surfaces. One of the sidewall surfaces of the light guide plate is a light incident surface on which the light from the light source package is irradiated. A distance between the light source package and the light incident surface is less than a width of the circuit board.

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

Abstract: An LED lamp includes a heat sink, a lamp shell and a light module. The heat sink includes a substrate and a plurality of fins. The substrate has a top surface and a bottom surface. The lamp shell is fixed to a periphery of the substrate. The light module is received between the lamp shell and the bottom surface of the substrate of the heat sink. The substrate defines a first through-hole through the top and bottom surfaces thereof to communicate airflow channels between the fins with a space below the bottom surface of the substrate, wherein the light module is received in the space.

Abstract: An air cooling LED lamp is disclosed. The lamp has air passages for natural air flow for cooling the lamp without using any electric fan to reduce electric energy consumption. The air passages still work for natural air cooling for the lamp when the lamp is configured either in a top down position or in a lateral position.

Abstract: A LED lamp is disclosed which is composed of a plurality of light unit, each of the light unit has metal its leads inserted into a heat sink for heat dissipation. A circuit board is optionally to use for electrically coupling the metal leads of each light unit to a control circuit for controlling the on/off of each of the light units.

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

Abstract: A light with integrated light and thermal guides, and having solid state light sources such as LEDs. The light guide includes a material having a first surface and a second surface opposite the first surface and forming an interior volume. The light guide is coupled to the LEDs for receiving and distributing light from them through the first surface, and the light is transported through the light guide until the light is extracted from the first or second surface. The light guide can include alignment features such as fiducials that mate with a base. The thermal guide is contained within the interior volume and integrated with the light guide for providing thermal conduction from the LEDs for cooling the light. The thermal guide can be vented to provide for internal cross flow of air for the cooling.

Abstract: A light-emitting diode (LED) bulb has a shell. An LED is within the shell. The LED is electrically connected to a driver circuit, which is electrically connected to a base of the LED bulb. The LED bulb also has a heatsink between the shell and base. A thermal break partitions the heatsink into an upper partition adjacent the shell and a lower partition adjacent the base.

Abstract: An illumination device comprising a housing fixture, a light source, and an active heat transfer device is provided. The housing fixture includes a base adapted to be receivable in a light fixture receptacle configured to receive a gas-discharge lamp. The light source emits light with a color rendering index higher than a respective color rendering index of at least a type of gas-discharge lamp. The active heat transfer device is physically coupled to the light source and mounted to the housing fixture. The active heat transfer device receives power from a power supply to remove thermal energy from the light source.

Abstract: An illumination device comprises a solid-state lighting device and a heat sink. The heat sink is configured to be attachable to a fixture for a gas-discharge lamp to retrofit existing gas-discharge fixtures. The heat sink is conductively thermally coupled to the solid-state lighting device to dissipate heat generated by the solid-state lighting device.

Abstract: A combination LED lamp and heat sink structure includes a heat sink formed by bending or stamping a metal sheet member into shape to provide a plurality of upright walls and mounting holes, a circuit board carrying a LED or LEDs at the front side and having a plurality of through holes, a plurality of metal connection members mounted in the mounting holes and the through holes to fixedly connect the heat sink and the circuit board together, and a lampshade surrounding the circuit board to let the heat sink be exposed to the outside.

Abstract: An illumination device including a base, a heat dissipation member, at least one flexible printed circuit board (FPC), and a plurality of light-emitting elements is provided. The heat dissipation member disposed on the base has a central axis, a plurality of holding curvy surfaces and a plurality of heat dissipation channels extending along the central axis, wherein the holding curvy surfaces and the heat dissipation channels are staggered and arranged about the central axis, and each of the holding curvy surfaces radially extends along the central axis. The flexible printed circuit board is disposed on the holding curvy surfaces. The light-emitting elements are disposed on the flexible printed circuit board. An assembling method of the illumination device is also provided.

Abstract: An LED-based luminaire employs an LED module mounted to a housing. The LED module is advantageously configured to transmit heat generated by the LEDs across and/or through the module and to the housing for dispersal to the environment. LED modules can be configured with conductive or non-conductive cores, and may be configured to evacuate heat from one or both faces of the LED module. Further, multiple heat paths can be defined from components on an LED module to the housing and to the environment.

Abstract: Various embodiments relate to an illuminating device may include a circuit board carrying a light-emitting element, a driver and a heat sink arranged between the circuit board and the driver, wherein the heat sink has a non-conductive base and at least one pair of conductive connectors which embedded in the non-conductive base, respective connector having a first end extending from one side of the non-conductive base to hold the circuit board and a second end extending from the other side of the non-conductive base to hold the driver, wherein the circuit board and the driver are electrically connected by means of the connectors. Various embodiments further relate to a method for manufacturing the illuminating device.

Abstract: An LED lamp radiating structure includes a plastic shell and a metal part to serve as heat dissipation bodies. The metal part having a hollow structure is bonded with the plastic shell after the plastic shell is formed by injection molding. A baffle plate is formed on the metal part. An LED chip of the LED lamp is fixed below the baffle plate to contact with the metal part directly. The LED chip is completely contact with the metal part through the baffle plate, and therefore the heat dissipated from the LED chip is conducted to the plastic shell successfully, benefiting the heat dissipation of the LED chip.

Abstract: Disclosed herein is an LED-type illuminating module, which independently functions as an illuminating apparatus and which is used to constitute various kinds of illuminating apparatuses having desired outputs by providing a plurality of the LED-type illuminating modules on a module fixing plate 8 of a predetermined area, including: a light transmission or diffusion plate; an LED substrate on which LEDs are fixed at regular intervals by soldering; a radiator formed by die-casting a light metal alloy; a waterproof ring; a plurality of radiating plates made of a light metal alloy; a housing formed by injection-molding a conductive polymer resin material; a waterproof packing; and a power supply converter.

Abstract: An optical semiconductor illuminating apparatus capable of being simply installed and built, easily detecting a fault generation point, being simply repaired and replaced, and being compactly implemented. A bracket assembly having a power supply embedded therein is mounted at an upper side of a heat sink including a fixed unit, the power supply is seated on the heat sink including the fixed unit, a plurality of heat radiation fins protrude from an inner surface of the heat sink, and an upper surface of the power supply is disposed at a position higher than or equal to that of an edge of an upper end portion of the heat sink.

Abstract: A light source device includes: a tubelar body disposed in the front side of a reflection mirror in the light emission direction and surrounding an arc tube; a pair of ducts connecting with the tubelar body and provided with a first channel and a second channel to guide air; and a channel switching mechanism which allows air to flow through the first channel or the second channel. The tubelar body includes a pair of communicating ports configured to supply air flowing through the first channel and the second channel toward the light emission portion. The pair of the communicating ports are disposed on a virtual line passing through the center line of the arc tube and crossing the vertical direction and the horizontal direction as viewed in a direction along the center line.

Abstract: A light for attachment to mining equipment. The light comprises a base, a plurality of PC boards coupled to the base, each of the plurality of PC boards including spaced apart LEDs, a heat sink in thermodynamic communication with the plurality of PC boards, a clear potting material encasing the plurality of PC boards, and a clear cover sealingly attached to the base and overlying the plurality of PC boards, the heat sink, and the potting material.

Abstract: The invention discloses a lamp including a lampshade, a cooling module, a light-emitting element and a circuit board. The lampshade includes an opening and a base. The lampshade forms a chamber. The lampshade is completely closed between the opening and the base. The cooling module includes a cooling fan fixed in the chamber while at least one air-guiding gap is formed between the cooling module and the lampshade. The light-emitting element is coupled with the cooling module. The circuit board has a layout surface mounted with a plurality of electronic components. The inner surface of the lampshade forms an air-guiding face. The layout surface, the air-guiding face and the cooling fan jointly constructs an air channel. The layout surface and the electronic components of the circuit board face the opening of the lampshade. At least one of the electronic components is located in the air channel.

Abstract: A luminaire includes a first body module, a light module, a second body module, a wire-receiving unit, and a wire. The light module is disposed on said first body module. The second body module is movable telescopically relative to the first body module. The wire has two ends respectively and electrically connected to the first and second body modules, and a portion that is received within the wire-receiving unit and that is movable at least partially into or out of the wire-receiving unit as a result of adjusting the length of the luminaire, thereby preventing entanglement of the wire.

Abstract: A lighting apparatus is disclosed. The lighting apparatus has a drain structure of guiding water introduced through an assembly clearance to discharge the water to the outside and improves waterproof performance.

Abstract: An LED heat dissipation structure including: a heat sink, with a lug axially extended from an end of the heat sink, a hollow portion disposed inside the heat sink and axially extended to the lug, and a plurality of fins integrally extended from a peripheral side of the heat sink; and a support base, having an axial through hole sheathed on the lug of the heat sink, and an end of the support base abutting the support surface of the heat sink. A semiconductor light emitting module is tightly coupled onto a distal surface at an end of the lug for conducting generated heat to the heat sink, and a mirror mount is pressed against the semiconductor light emitting module and coupled to the support base.

Abstract: A system for cooling heat-generating components within a housing of a light fixture is described herein. The system can include an inlet aperture and an outlet aperture in one or more walls of the housing. The system can also include a housing separator that separates the interior of the housing into a number of regions. The system can also include a heat-generating component positioned within the housing. The system can further include an air moving device positioned within the housing. The air moving device can draw intake air from outside the explosion-proof enclosure and pass the intake air over the heat-generating component to generate exhaust air, where the intake air cools the heat-generating component. The air moving device can further remove the exhaust air from the interior of the housing.

Abstract: The present invention relates to a light emitting diode fixture assembly, having at least one component made out of thermally conductive thermoplastic which is comprised of a thermally conductive thermoplastic composition which is comprised of at least one thermoplastic polymer and at least one thermally conductive filler. The light emitting diode fixture assembly is comprised of (1) at least one light emitting diode, (2) a lens covering a portion of the light emitting diode, (3) a back plate to which the light emitting diode is affixed, (4) the housing for the light emitting diode and the base plate, and (5) electrical connectors which are in electrical communication with the light emitting diode and an electrical supply source with a enclosing cup/sleeve.

Abstract: A lighting device that comprises a light source unit, with light sources positioned upon a circuit substrate; an LCD panel illuminated by the light emitted from the light sources; a casing, and a diffusion member installed upon the casing. The circuit substrate is mounted so as to block the lower end aperture of the hollow portion. The diffusion member is mounted so as to block an upper end aperture of the hollow portion, which constitutes the opposite end of the hollow portion from the lower end aperture thereof. Radiation units are formed upon the casing to radiate heat caused by the light sources outside the casing.

Abstract: A first heat sinking path formed in a forming direction of a heat sink unit disposed radially in a housing where a light emitting module is mounted. A second heat sinking path is formed along an edge of the light emitting module. By providing a light engine concept in which a light emitting module, an optical member, and a heat sink unit are included and a bottom surface is gradually widened from one side to the other side, an optical semiconductor lighting apparatus can reduce a total weight of a product, can further improve heat dissipation efficiency by inducing natural convection, is simple in the product assembly and installation, and is easy in maintenance, and can provide products with high reliability by increasing the arrangement efficiency of semiconductor optical devices per unit area.