Abstract:
Methods and apparatus related to a LED-based lighting unit having a high flux density LED array (70). The LED based lighting unit may include an array of LEDs (70) of various spectra and the LEDs may be are arranged so as to occupy a substantial percentage of the area generally defined by the outermost extent of the array of LEDs. The various color LEDs may optionally be intermixed with certain parameters to provide for desired color mixing from the LEDs. The LED-based lighting unit may optionally be implemented in a lighting fixture such as an entertainment lighting fixture.
Abstract:
Disclosed is an LED lighting device. The LED lighting device comprises: an LED module; a thermal base coupled to the LED module to absorb heat; a heat chamber having a sealed internal space into which a working fluid is injected; a heat absorption unit which is combined with the thermal base to absorb heat and is provided on the inside wall thereof with a wick; and a heat radiation unit in which the working fluid evaporated in the heat absorption unit is condensed to radiate heat. The LED lighting device is resistant to contamination and allows contamination to be easily removed therefrom, and thus the degradation of a heat radiation performance is minimized and maintenance becomes easy. In addition, the LED lighting device radiates heat from the LED module while preventing heat from the sun from being transferred thereto, and thus the LED lighting device is prevented from being heated by solar heat.
Abstract:
Устройство относится к светодиодным лампам. Техническим результатом является устройство, обеспечивающее более холодное состояние светодиодов, и соответственно повышается их светимость (более яркие) и ресурс службы. Заявленный технический результат достигается за счет того, что светодиодная лампа, содержащая колбу, цоколь для вставки в патрон, светодиоды, подключенные через микросхему к контактам цоколя, радиатор для передачи тепла от светодиодов, причем светодиоды установлены на тепловой трубке, которая выполнена с основанием и полой ножкой-теплоносителем, а вокруг колбы лампы и под ней размещены элементы радиатора, соединенного с основанием тепловой трубки, причем внутри полости тепловой трубки расположен теплоноситель, работающий на фазе кипения, а контакты электропитания на светодиоды проведены через токоведущие дорожки либо провода, идущие по поверхности тепловой трубки, отличающаяся тем, что светодиоды размещены на основании, которое соединено с тепловой трубкой через теплопроводящий материал, а внутри радиатора расположен веер обдува, который подсоединен к пьезоэлементу, выполненному с возможностью создания высокочастотных механических колебаний веера.
Abstract:
An illumination apparatus includes one or more solid state light emitting sources and a radiator thermally coupled to the one or more light emitting light sources, wherein the radiator is configured to be connectable to a second apparatus. The second apparatus may be a second solid state light emitting source or a second radiator.
Abstract:
Provided is a cooling unit for an LED lighting apparatus, which dissipates heat that is generated in the lighting apparatus using an LED. The cooling unit for an LED lighting apparatus includes a heat pipe, one end of which is coupled to the LED lighting apparatus, and which uses a medium in which powder having an infrared-emitting property is mixed into a working fluid, wherein a heat-sink fin is disposed on the other end of the heat pipe. The LED lighting apparatus including the cooling unit for the LED lighting apparatus includes: a mounting plate made of a metal material and coupled to the cooler; an LED board on which one or more LEDs are arranged, the LED board being disposed on the mounting plate; and a driving circuit for driving the LEDs arranged on the LED board. The LED lighting apparatus may be applied to outdoor or indoor lights in which high light intensity is required, such as streetlights, fish-luring lights, floodlights, etc.
Abstract:
A lighting apparatus for film, television, video capture, motion picture and photography which includes a Fresnel (725) lens fixed in a housing (710) which contains a tight array of high power LEDs. The LED panel (750) or board is mated to a heat dissipating apparatus to provide active cooling and together forming an LED engine (100). The LED engine is mounted to a slider (780) allowing the LED engine to be adjusted within the housing with respect to the lens. Light shaping diffusion may be included on the housing. A power supply unit may also be included in the housing. When in electrical communication, the LED engine and power supply unit function as an integrated self-contained lighting apparatus. Optionally, the power supply may have an integrated dimmer switch, and may be capable of receiving PFC power or have an integrated battery unit.
Abstract:
A lighting apparatus for film, television, video capture, motion picture and photography which includes a Fresnel lens fixed in a housing which contains a tight array of high power LEDs. The LED panel or board is mated to a heat dissipating apparatus to provide active cooling and together forming an LED engine. The LED engine is mounted to a slider allowing the LED engine to be adjusted within the housing with respect to the lens. Light shaping diffusion may be included on the housing. A power supply unit may also be included in the housing. When in electrical communication, the LED engine and power supply unit function as an integrated self-contained lighting apparatus. Optionally, the power supply may have an integrated dimmer switch, and may be capable of receiving PFC power or have an integrated battery unit.
Abstract:
A lighting system (100) is presented that includes a replaceable illumination module (10) removably coupled to a base module (15). The replaceable illumination module includes one or more solid state lighting elements (14) on a printed circuit board (18) electrically and thermally connected to the base module. The base module may include a heat sink, where the heat sink is in thermal contact with the replaceable illumination module, and dissipates heat generated by the one or more solid state lighting elements during operation of the lighting system. The replaceable illumination module may also include one or more beam conditioning elements (12) for generating a specified beam. The lighting system may be connected to an automated control network and may be automatically controlled thereby, or may be used to control some other system. The heat sink may be generated via a dynamically controllable extrusion die.
Abstract:
A light emitting diode (LED) light unit is disclosed. For example, the LED light unit includes at least one support plate having one or more inner openings. At least one LED array may be coupled to an LED board. The LED light unit also includes at least one heat pipe coupled to the LED board, wherein said LED board is coupled to the at least one support plate.
Abstract:
A heat sink for an LED downlight utilizes tilted fins forming helical air passages that can enhance thermal performance by 30% over conventional fins. To overcome the thermal challenge of installation within the stagnant hot air of insulated ceiling cans, a heat sink has an integral electrostatic air pump on its exterior, to move hot air downwards and drain the stagnant air from the can by establishing a chimney-like circulation up through the heat sink and back down around the outside of the heat sink. The air mover can be powered by a compact high-voltage, low-current power supply similar to those of neon signs. An embodiment of the heat sink is also revealed that is suitable for cooling an LED replacement for standard screw-in or equivalent light bulbs. This device can perform well in variety of orientations (horizontal, vertical, etc.) and fixtures.