Entries |
Document | Title | Date |
20080265781 | LIGHT SOURCE MODULE - A light source module including a circuit substrate, light emitting chip packages, and driving devices is provided. The circuit substrate has a top surface and a bottom surface opposite to the top surface. The bottom surface has at least one component installed area and at least one metal exposed area. The light emitting chip packages are disposed on the top surface. The driving devices are disposed in the component installed area. The driving devices are electrically connected to the light emitting chip packages through the circuit substrate. | 10-30-2008 |
20090184646 | LIGHT EMITTING DIODE CAP LAMP - A cap lamp features a housing. A control module is positioned within the housing and includes a multi-function switch, a circuit board and contacts adapted to receive power from a battery. An optic module is also positioned within the housing and in engagement with the control module. The optic module includes a light emitting diode (LED) module and an integrated reflector and heat sink as well as an insulator. A bezel is fastened to the housing so as to secure the control module and optic module within the cap lamp housing. A pushbutton is positioned on the housing and is connected to the multi-function switch. A backup LED is in communication with the multi-function switch so that the main LED light or the backup LED may alternatively be selected. | 07-23-2009 |
20090200950 | TUBULAR LED LIGHT SOURCE - A tubular LED light source, based on a tube manufactured in a heat conducting material ( | 08-13-2009 |
20090206758 | Illumination Device, Illumination Control Apparatus, Illumination System - An illumination device comprises on a common substrate ( | 08-20-2009 |
20090212707 | LED SYSTEM FOR PRODUCING LIGHT - The invention relates to a system comprising a plurality of light emitting diodes, LEDs. The LEDs may be controlled in various in various manners in order to obtain any of one or more objects of the system. Thus, LEDs may be controlled for by controlling at least two of the following parameters: the luminous intensity of each of the LEDs, the luminous flux of each of the LEDs, the colour spectrum of the light being emitted from each of the LEDs, the spatial radiation pattern of the light being emitted from each of the LEDs, the spatial radiation pattern of the system, the junction temperature of each of the LEDs, the temperature of the surroundings to the LED, the amperage of the electrical power being supplied each or sections of the LEDs, the voltage of the electrical power being applied the LEDs and pulsing applied to the electrical power being applied each or sections of the LEDs. | 08-27-2009 |
20090322229 | LED Lighting Fixture - An LED lighting fixture compatible with existing incandescent lamp lighting fixtures. The heat produced by the LED light source is dissipated through a heat pipe into a ground hole to maintain an optimum operation temperature of the LED light source. | 12-31-2009 |
20100001648 | LED LIGHTING THAT HAS CONTINUOUS AND ADJUSTABLE COLOR TEMPERATURE (CT), WHILE MAINTAINING A HIGH CRI - A modular, standalone, and multi-functional electronic and mechanical platform for light-emitting diode (LED) lighting applications that has continuous and adjustable color temperature (CT) is provided. In particular, a modular LED device is utilized as a standalone lighting device or, alternatively, as a universal and generic building block for forming lighting devices for lighting application. The modular LED device includes an LED circuit, a digital signal processor (DSP), a network interface, and a power supply that can be packaged in a compact, thermally controlled housing. Additionally, the housing can provide alignment and fastening mechanisms for easily coupling one modular LED device to another modular LED device. | 01-07-2010 |
20100026187 | LUMINAIRE DRIVE CIRCUIT - A luminaire drive circuit ( | 02-04-2010 |
20100066253 | Led Module - An LED module ( | 03-18-2010 |
20100072897 | LED LAMP - An LED lamp includes a bracket, a plurality of first LED modules mounted on a center of the bracket, a second LED module mounted on a foreside of the bracket and spaced from the first LED modules, and a driving circuit board mounted on a rear end of the bracket and electrically connecting with the second LED module and the first LED modules. The driving circuit board comprises a chip automatically monitoring operating status of the first LED modules and automatically controlling activation of the second LED module when failure occurs on at least one of the first LED modules. | 03-25-2010 |
20100096993 | Integrated Modular Lighting Unit - The present invention provides an integrated self-contained lighting module which can be used on its own, or in conjunction with other modules to produce white light, or light of any other colour within the colour spectrum. Each module comprises one or more light-emitting elements, a drive and control system, a feedback system, thermal management system, optical system, and optionally a communication system enabling communication between modules and/or other control systems. Depending on the configuration, the lighting module can operate autonomously or its functionality can be determined based on either or both internal signals and externally received signals. | 04-22-2010 |
20100102729 | LIGHT EMITTING DIODE ASSEMBLY - A lighting assembly using light emitting diodes provides low leakage current that does not require an external ballast. The lighting assembly can replace a fluorescent tube light while providing a more comfortable and steady light source, consuming less power and with enhanced longevity. The lighting assembly includes a tube, a light emitting diode panel disposed within the tube, a circuit board disposed within the tube, and insulation disposed between the light emitting diode panel and the circuit board. At least a portion of the tube is translucent. The light emitting diode panel includes light emitting diodes, and the circuit board includes a driving circuit for driving the light emitting diodes. | 04-29-2010 |
20100123397 | LED based omni-directional light engine - An LED based omni-directional light engine includes a toroidal lens coupled to a controller circuit board and two or more evenly spaced LEDs mounted to the controller circuit board. The toroidal lens includes an inner surface coated with a layer of reflection materials, an outer surface, and a flat base surface. The controller circuit board is electrically coupled to a power source. The LEDs are located immediately under the flat base surface. The inner surface substantially reflects light beams emitted from the LEDs to the outer surface which refracts the beams to the omni-directions. | 05-20-2010 |
20100134014 | Solar or wind powered light - A LED lighting assembly comprising at least one LED; the at least one LED being mounted to a support; at least one solar element for creating electric power from solar power; at least one battery for storing electricity generated by the solar element; at least one wind vane operatively associated with the support; at least one motor/generator having a first mode for generating electric power from the wind turbine; and at least one shaft operatively connected to the at least one motor/generator and the support; the motor/generator having a second mode in which the motor/generator operates to rotate the support; the at least one motor/generator being operatively connected to the at least one battery for storing electric power therein. | 06-03-2010 |
20100134015 | LIGHT EMITTING MODULE - A light emitting module includes a light source, a light guide plate, and a reflecting mask. The light source includes a circuit board and a light emitting device fixed on the circuit board. The light emitting device includes a plurality of light emitting elements and a control circuit. The light guide plate receives light from the light emitting device and exits from the light guide plate, includes a plurality of light emitting sidewalls, a plurality of reflection walls, and a receiving hole defined in the light guide plate. The receiving hole includes a plurality of light incident sidewalls. The reflecting mask covers the receiving hole, including a bottom surface and a plurality of reflecting surfaces. | 06-03-2010 |
20100134016 | SOLID-STATE LIGHTING DEVICE - A solid-state lighting device ( | 06-03-2010 |
20100134017 | LIQUID-COOLED LED LIGHTING DEVICE - A liquid-cooled LED lighting device can be provided in which a temporal increase in the temperature of the tubing and the circulation pump when the LED light sources are turned off is prevented to ensure high reliability. The liquid-cooled LED lighting device can include an LED light source, a liquid cooling system including a heat receiving jacket and a radiator, an LED light source-driving power supply for supplying power to the LED light source, and a liquid cooling system-driving power supply for supplying power to the liquid cooling system. The LED lighting device can include a control unit, such as a timer circuit. The control unit can maintain supply of the power to the liquid cooling system for a predetermined period of time after supply of the power to the LED light source is stopped. | 06-03-2010 |
20100148672 | Energy Efficient Lighting System and Method - A light system and method includes a housing having an array of LEDs spaced to transmit light within a field of illumination. An EM sensor disposed within the housing is configured to detect EM radiation within the field of illumination. A processor is configured to generate an output in response to levels of EM radiation, such as visible light, infrared light, and/or radio frequency (RF) radiation detected by the EM sensor relative to a predetermined setpoint. | 06-17-2010 |
20100176730 | Illumination Apparatus - An illumination apparatus includes an adapter that is detachably and electrically connectable to a socket for a recessed light fitting; a power supply unit in the adapter to supply power; a light emitting device driver in the adapter that generates driving power from the power supplied by the power supply unit; a controller that controls the light emitting device driver; and a light emitting device illumination unit including a plurality of light emitting devices, the light emitting device illumination unit being connectable to the adapter and the light emitting devices receiving the driving power from the light emitting device driver. | 07-15-2010 |
20100181916 | LED LIGHTING SYSTEM FOR USE IN ENVIRONMENTS WITH HIGH MAGNETIC FIELDS OR THAT REQUIRE LOW EMI EMISSIONS - Lighting fixtures and lighting systems for use in areas with high magnetic fields or areas that require low EMI emissions. The lighting systems include a non-ferrous lighting fixture having an LED light source and a control circuit. The LED light source includes one or more LEDs, and the control circuit provides a regulated operational current to the LED light source. The control circuit includes at least one switch for controlling the flow of current through the control circuit. The switch has a first state and a second state, and the operational current provided to the LED light source is increased and decreased in a linear manner based on the state of the at least one switch. | 07-22-2010 |
20100188001 | LED WHITE-LIGHT DEVICES FOR DIRECT FORM, FIT, AND FUNCTION REPLACEMENT OF EXISTING FLUORESCENT LIGHTING DEVICES - A white light LED-based lighting device configured for direct form, fit, and function replacement of existing incandescent and fluorescent devices is provided. The white light LED-based lighting device comprises a group of solid state light emitting diodes, electronics to activate the light emitting diodes, and an encapsulating housing configured for direct form, fit, and function replacement of existing fluorescent devices. | 07-29-2010 |
20100194282 | LIGHT-EMITTING DIODE CLUSTER LAMP - The invention relates to a light-emitting diode cluster lamp. The light-emitting diode cluster lamp includes a plurality of light-emitting diode lamp packages, a control circuit, and a casing. Each of the light-emitting diode lamp packages includes a heat-conducting/dissipating module and a light-emitting diode module. The control circuit module is used for controlling the light-emitting diode lamp packages. The casing is adapted to accommodate the light-emitting diode lamp packages and the control circuit module. When the light-emitting diode cluster lamp is connected to a power source, the control circuit module selectively makes the light-emitting diode modules emit light. The heat generated during the light emission of each of the light-emitting diode modules is conducted and dissipated by the corresponding heat-conducting/dissipating module of each of the light-emitting diode modules. | 08-05-2010 |
20100213853 | CURRENT SUPPLY FOR LUMINESCENT DIODES - The present invention is based on a regulation circuit ( | 08-26-2010 |
20100219758 | LIGHTING DEVICE COMPRISING A PLURALITY OF CONTROLLABLE LIGHT-EMITTING DIODES - A lighting device comprising a plurality of lighting modules which include a module carrier on which a light source with a plurality of controllable light-emitting diodes emitting light of different wavelengths and arranged on a board, a temperature sensor and a module electronic are arranged. Said module electronic contains a digital circuit with a microcontroller for the local and autonomous signal processing, which actuates the LEDs in dependence on the temperature such that the brightness, color and chrominance of the light mixture composed of the LEDs emitting light of different wavelengths is constant. Said lighting modules being connected with other lighting modules or an external controller via a digital interface for transmitting the board temperature of the respective lighting module detected by means of the temperature sensor. A central master module or the external controller actuates the lighting modules such that a uniform brightness is obtained over the radiating surface. | 09-02-2010 |
20100244700 | System for Representing Colors Including an Integrating Light Capsule - Disclosed herein is a color display device that can be deployed at retail paint stores, kiosks, customers' offices or homes, airports, malls, etc. for rapid color and appearance prototyping. The color display device, which can be mobile, can display color under standardized lighting or simulated ambient lighting. The color display device can augment or replace a traditional paint chip rack or fan deck. The color display device can manipulate light sources additively and/or subtractively using an integrating light mixing capsule or chamber, special optics, mock objects and electronic control for color and appearance representation and for object illumination with desirable simulated ambient lighting. | 09-30-2010 |
20100253226 | ENERGY-SAVING LIGHTING FIXTURE - An energy-saving lighting fixture includes a light transmissive tubular enclosure including an inner tube defining an inner compartment therein, and an outer tube disposed around and spaced apart from the inner tube to define an outer compartment therebetween. As such, the tubular enclosure has a double-tube structure. A lamp assembly includes at least one lamp device disposed fixedly in the inner compartment of the tubular enclosure. | 10-07-2010 |
20100264827 | Control Device of Cup Lamp - A control device includes a rectification circuit, a filter circuit, a detection circuit, a voltage regulator circuit, a constant current circuit and at least one light emitting diode (LED). The rectification circuit is provided for receiving an input voltage of 5 to 24V, and the detection circuit is provided for detecting a quantity of LEDs and an actual required voltage to produce an actual required voltage value, such that the voltage regulator circuit and the constant current circuit can adjust an output current and an output voltage for the LED according to a detection result. | 10-21-2010 |
20100270931 | APPARATUS AND METHODS OF OPERATION OF PASSIVE LED LIGHTING EQUIPMENT - This invention is concerned with the control and design of a LED lighting system that does not need electrolytic capacitors in the entire system and can generate light output with reduced luminous flux fluctuation. The proposal is particularly suitable, but not restricted to, off-line applications in which the lighting system is powered by the ac mains. By eliminating electrolytic capacitors which have a limited lifetime of typically 15000 hours, the proposed system can be developed with passive and robust electrical components such as inductor and diode circuits, and it features long lifetime, low maintenance cost, robustness against extreme temperature variations and good power factor. No extra electronic control board is needed for the proposed passive circuits, which can become dimmable systems if the ac input voltage can be adjusted by external means. | 10-28-2010 |
20100277070 | Scotopically enhanced emergency light and control thereof - System and method are provided for controlling emergency lighting where emergency lights turn on when main source of power goes out for controlling emergency lighting to conserve energy utilized by the emergency light, while maintaining good visibility of the emergency lighting. Solid state lighting, such as LED, is used within an emergency light to add light in blue wavelength region matching the light output to the most sensitive of wavelength response of the human eve to increase color perception and allows faster response time. Electrical current to the device and light output are reduced while LED light tends to increase its blue wavelength component as it is dimmed thus increasing effective light output. After a predetermined time, the light is purposefully dimmed to conserve energy and to allow the eye to slowly and safely adjust to the new lighting conditions. By reducing electrical current, energy storage batteries may be smaller than for similar unit that maintains constant light output. | 11-04-2010 |
20100277071 | Flexible Thermal Energy Dissipating and Light Emitting Diode Mounting Arrangement - A flexible thermal energy dissipating and LED mounting arrangement includes a plurality of LEDs and a flexible thermally conductive sheet. The thermally conductive sheet defines a plurality of openings therethrough each sized to receive and securely hold therein a different one of the plurality of LEDs with the flexible thermally conductive sheet about the opening in physical, thermally conductive contact with the at least one side portion of the encapsulating material. The flexible thermally conductive sheet absorbs thermal energy generated within each of the plurality of LEDs as a result of current flow through the LED circuit and rejects the absorbed thermal energy to an ambient environment surrounding the thermally conductive sheet. The flexible thermally conductive sheet is formable to direct radiation from the plurality of LEDs in multiple directions while securely holding each of the plurality of LEDs within a corresponding one of each of the plurality of openings. | 11-04-2010 |
20100289411 | GREENHOUSE SYSTEM - Greenhouse system may comprise an illumination, a sensor, and a controller. The illumination and controller are arranged to vary the intensity and the spectral distribution of the light emitted by the illumination. The emitted light may be pulsed light, the pulse characteristics being variable by the controller in dependency of the output of the sensor. The controller are arranged to interpret the relevant variables measured by the sensor and to assess the actual and/or expected growth of the relevant plants, and to control the intensity and/or the spectral distribution of the light emitted by the illumination. Some sensors may be provided for measuring the intensity and/or spectral distribution of the actual light in the greenhouse, other sensors for measuring plant dimensions of the relevant plants or plant groups. The illumination may comprise a heat collection which can be connected to heating or air conditioning inside or outside the greenhouse. | 11-18-2010 |
20100295451 | ILLUMINATING SYSTEM - An illuminating system includes a system casing and a plurality of illuminating modules. The system casing has a first air-hole area and a plurality of second air-hole areas. One of the adjacent second air-hole areas keeping a first distance from each other keeps a second distance from the first air-hole area. The other one of the adjacent second air-hole areas keeps a third distance from the first air-hole area. The first distance is smaller than or equal to the second distance and smaller than or equal to the third distance. Each illuminating module disposed at the system casing includes a diversion casing having a third air-hole area and a fourth air-hole area. The third air-hole areas are located within the system casing and communicate with the first air-hole area. The adjacent second air-hole areas are respectively corresponding to and respectively communicate with the fourth air-hole areas of different illuminating modules. | 11-25-2010 |
20100308732 | Led lamp having heat-dissipating device - An LED lamp includes a columnar heat-dissipating member having at least one air passage axially running through its inside; a cooling fan mounted to the heat-dissipating member and to a top end of the air passage; at least one LED disposed on a surface of the heat-dissipating member; and a controller electrically connected with the cooling fan and the LED for enabling the cooling fan to drive the airflow to flow upward and for driving the LED to light up. | 12-09-2010 |
20100327750 | LED ILLUMINATING APPARATUS - An LED illuminating apparatus includes a lampshade, a cover engaged with the lampshade, a heat dissipation module received in a hollow tube cooperatively formed by the engaged lampshade and cover, a light source engaged on the heat dissipation module, and two connectors secured at opposite ends of the lampshade and the cover. The lampshade defines a plurality of vents therein. The light source faces the cover and light emitted from the light source radiates out of the LED illuminating apparatus through the cover. | 12-30-2010 |
20100327751 | SELF-BALLASTED LAMP AND LIGHTING EQUIPMENT - The present invention provides a self-ballasted lamp which efficiently conducts heat of a plurality of LED chips of a light emitting module to its holder, and can prevent the temperature rise of the LED chips. The holder has a base portion, an edge portion provided at one end side of the base portion, which is thick at the base portion side thereof and thin at the distal end side thereof, and heat radiation fins provided at the other end side from the edge part and at the circumference of the base portion. The heat from the semiconductor light emitting elements is conducted from the base portion to the edge part and radiated therefrom. At this time, the edge part is thickened at the base portion side, wherein the thermal capacity is increased, and the heat conduction is improved. | 12-30-2010 |
20100327752 | LIGHT SOURCE UNIT, LIGHTING APPARATUS AND NOTICE BEARING APPARATUS - It is provided with a light source unit that can be thinner. Further, it is provided with a lighting apparatus and a notice bearing apparatus utilizing the light source unit. A light source unit | 12-30-2010 |
20110025211 | LIGHT EMITTING DIODE LIGHTING DEVICE - Provided is a light emitting diode (LED) lighting device, which includes a main frame, at least one metal printed circuit board (PCB) provided at the main frame and having at least one LED bulb installed on a lower surface thereof, a heat sink provided on an upper side of the metal PCB, absorbing heat from the LED bulbs, and dissipating the heat into the air, at least one thermoelectric element provided on a lower side of the heat sink and having a heat absorbing part at a lower portion thereof and a heat radiating part at an upper portion thereof, a temperature sensor measuring temperature of the heat sink or the metal PCB, and at least one cooling fan located on an upper portion or a side portion of the heat sink and inducing heat radiating from the heat sink to an outside to cool the heat sink. | 02-03-2011 |
20110031887 | LED LIGHTING SYSTEM - An illumination apparatus includes a LED assembly having a plurality of LED modules and a substrate. Each LED module includes an anode and a cathode. The substrate is generally planar and defined by a first side and a second side with the LED modules extending from the first side. The second side is defined by a heat dissipation surface, and wherein the first side is opposite the second side. The apparatus also includes a heat sink having a plurality of fins for heat dissipation. A heat input surface portion of the heat sink is bonded to the heat dissipation surface of the LED assembly. The apparatus further includes a control system for supplying electrical energy to the LED assembly, wherein the electrical energy is pulse width modulated. | 02-10-2011 |
20110050103 | Led lamp having heat-dissipating device - An LED lamp includes a columnar heat-dissipating member having at least one air passage axially running through its inside; a cooling fan mounted to the heat-dissipating member and to a top end of the air passage; at least one LED disposed on a surface of the heat-dissipating member; and a controller electrically connected with the cooling fan and the LED for enabling the cooling fan to drive the airflow to flow upward and for driving the LED to light up. | 03-03-2011 |
20110068692 | LED LAMP - An LED lamp includes an optical part, a heat dissipation part and an electric part. The optical part includes main and auxiliary LED light sources thermally attached to the heat dissipation part. The electric part includes a rechargeable battery and a circuitry for converting an external AC power source into first and second DC power sources. The auxiliary LED light source is connected to the first DC power source for providing an auxiliary illumination when the external AC power source is normally supplied or to the rechargeable battery for providing an emergency illumination when the external AC power source is interrupted. The main LED light source is connected to the second DC power source for providing normal illumination when the external AC power source is supplied normally. Photoelectric switches are also provided for controlling the action of the auxiliary LED light source. | 03-24-2011 |
20110089837 | LED lamp device - A LED lamp device includes a power unit serially linking a plurality of LED lamp sets by a power cord. The power unit has a regulating circuit, power switch, and an indicator. Each LED lamp set includes a metal heat sink which can be fixed to a specific position by bolts, clamping, gluing, or other method. The metal heat sink has at least one and five most LEDs. The LEDs can be arranged to a metal circuit board, print circuit board, or directly mounted on surface of the metal heat sink. A lens having a receiving space is arranged above the plurality of LEDs. | 04-21-2011 |
20110089838 | HEAT SINKS AND LAMP INCORPORATING SAME - A lamp comprising a solid state light emitter, the lamp being an A lamp and providing a wall plug efficiency of at least 90 lumens per watt. Also, a lamp comprising a solid state light emitter and a power supply, the emitter being mounted on a heat dissipation element, the dissipation element being spaced from the power supply. Also, a lamp, comprising a solid state light emitter and a heat dissipation element that has a heat dissipation chamber, whereby an ambient medium can enter the chamber, pass through the chamber, and exit. Also, a lamp, comprising a light emissive housing at least one solid state lighting emitter and a first heat dissipation element. | 04-21-2011 |
20110095690 | Overmolded LED Light Assembly and Method of Manufacture - In one aspect, an LED lighting apparatus includes an electronic circuit board having a peripheral portion and a central portion that is radially inward of said peripheral portion, said electronic circuit board having an exterior side for optically interfacing with ambient environment during operation and an interior side opposite the exterior side. At least one LED is mounted on the exterior side of the electronic circuit board central portion and a thermally conductive housing encloses said electronic circuit board, said thermally conductive housing formed of a moldable thermally conductive material. The thermally conductive housing defines a first cavity adjacent the central portion of the electronic circuit board exterior side and a second cavity adjacent the central portion of the electronic circuit board interior side, wherein a portion of said thermally conductive housing being overmolded onto said peripheral portion. In a further aspect, a method of manufacturing an LED lighting apparatus is provided. | 04-28-2011 |
20110109228 | System and method for lighting power and control system - Light Emitting Diodes (LEDs) are increasingly used in illumination applications. To control multiple Light Emitting Diodes (LEDs), or any other controllable light source, this document introduces a single-wire multiple-LED power and control system. Specifically, individually controlled LED units are arranged in a series configuration that is driven by a control unit located at the head of the series. Each of the individually controlled LED units may comprise more than one LED that is also individually controllable. The head-end control unit provides both electrical power and control signals down a single wire to drive all of the LED units in the series in a manner that allows each LED unit to be controlled individually or in assigned groups. | 05-12-2011 |
20110109229 | HIGH EFFICIENCY LED LIGHTING - An LED lighting system may include one or more light-emitting diodes and one or more power management modules. Components of the LED lighting system may be selected and arranged, for example, to match a load voltage to an operating voltage. Matching the load voltage to the operating voltage may enable efficient use of power by the LED lighting system. A method of selecting components of the LED lighting system is provided. For example, the components may be selected based on a target luminance and a given operating voltage. The method may be facilitated and/or implemented with a computer. | 05-12-2011 |
20110115381 | MODULAR LED LIGHTING SYSTEM - According to various embodiments of the invention, an LED lighting system is providing having a replaceable driver module. In some embodiments, the replaceable driver module comprises a component that is physically attachable to an LED illumination module, whereby the attached components have a combined physical profile dimensioned for installation in a pre-existing light fixture. In further embodiments, the combined system's dimensions allow it to be installed in pre-existing fluorescent fixtures without requiring rewiring of the fixtures. In some embodiments, the LED driver module may be configured to condition power received from a fluorescent light ballast to drive the LEDs such that a pre-existing fluorescent ballast does not need to be removed. In other embodiments, the LED driver may be configured to condition main power such that a pre-existing fluorescent ballast may be removed. | 05-19-2011 |
20110115382 | MODULAR LED LIGHTING SYSTEM - According to various embodiments of the invention, an LED lighting system is providing having a replaceable driver module. In some embodiments, the replaceable driver module comprises a component that is physically attachable to an LED illumination module, whereby the attached components have a combined physical profile dimensioned for installation in a pre-existing light fixture. In further embodiments, the combined system's dimensions allow it to be installed in pre-existing fluorescent fixtures without requiring rewiring of the fixtures. In some embodiments, the LED driver module may be configured to condition power received from a fluorescent light ballast to drive the LEDs such that a pre-existing fluorescent ballast does not need to be removed. In other embodiments, the LED driver may be configured to condition main power such that a pre-existing fluorescent ballast may be removed. | 05-19-2011 |
20110156591 | TUBELESS LIGHT-EMITTING DIODE BASED LIGHTING DEVICE - A tubeless light-emitting diode (LED) based lighting device includes at least one base, at least one LED lighting module, and at least one control circuit. The base includes a heat dissipation body. The LED lighting module is mounted to the base so that the base provides the LED lighting module with the functions of retention and heat dissipation. The control circuit is mounted to the base and is electrically connected to power wiring of the LED lighting module for ON/OFF switching of the LED lighting module and supplying of operation power. As such, a tubeless lighting device that emits light in a power saving manner and is constructed in a volume reduced manner is provided. | 06-30-2011 |
20110163675 | LED BULB - The invention relates to the technical field of illumination lamps, in particular to an LED bulb. The invention comprises a lamp cap, a lampshade, LEDS and a circuit board, wherein the bottom end of the lampshade is mounted and fixed at the top end of the lamp cap; the circuit board is mounted and fixed in the lampshade and also electrically connected with the lamp cap; and the lampshade is filled with a mixed gas which transfers heat produced by the LEDS outside the bulb. The invention transfers heat produced by the LEDS by a mixed gas; the LED bulb has such advantages to as small weight, small volume and low production cost; besides, by using the mixed gas as heat transfer medium, the invention can radiate heat produced by the LEDS outside the bulb rapidly so as to effectively solve the heat radiation issue of the LEDS and prolong the service life of the LEDS. | 07-07-2011 |
20110187269 | LED BACKLIGHT MODULE AND BACKLIGHT DRIVING CIRCUIT - A LED backlight module includes a substrate, a heat-dissipating plate, a LED string and a backlight driving circuit. The LED string includes plural LEDs. The LED string further includes a positive driving terminal, a negative driving terminal and a connecting terminal. A positive output terminal, a negative output terminal and a zero voltage terminal of the backlight driving circuit are respectively connected with the positive driving terminal, the negative driving terminal and the heat-dissipating plate, so that a positive driving voltage and a negative driving voltage are generated by the backlight driving circuit to drive illumination of the LED string. A first number of LEDs of the LED string are electrically connected between the connecting terminal and the positive driving terminal. A second number of LEDs of the LED string are electrically connected between the connecting terminal and the negative driving terminal. | 08-04-2011 |
20110187270 | LUMINAIRE HAVING A HID LIGHT SOURCE AND A LED LIGHT SOURCE - A luminaire includes a primary HID light source housing having at least one selectively powerable HID lamp and an LED arm assembly having a secondary LED light source. In some embodiments the LED arm assembly may extend between a support structure and the HID light source housing and in other embodiments the LED arm assembly may be a stand alone assembly and extend from a support structure remote from the HID light source housing. The HID lamp may be powered during user selected peak hours and the LED light source may be powered during user selected non-peak hours. | 08-04-2011 |
20110199001 | LED ILLUMINATION DEVICE - The present invention relates to a LED illumination device, capable of being combined with a fluorescent lamp, comprises a connector; a substrate capable of being clamped on a lamp tube; a plurality of light emitting diodes; a driving member; and a rectifying and stabilizing member. With the mentioned structure of the LED illumination device, the LED illumination device is able to be directly fastened on the lamp tube of existed fluorescent lamp, for providing LED illumination and lowering replacement cost and increasing replacement convenience. | 08-18-2011 |
20110199002 | LIGHT EMITTING DEVICE, LIGHT RECEIVING SYSTEM AND IMAGE PICKUP SYSTEM - A light emitting device has: a dispersion light source wherein a plurality of semiconductor laser bars are arranged; and a drive circuit which makes the dispersion light source output at least one pulsed beam by supplying at least one drive pulse to the dispersion light source. In the dispersion light source, a plurality of semiconductor laser bars are arranged on a base, and furthermore, heat dissipating plates are arranged between the semiconductor laser bars. The pulse width of the pulsed beam outputted from the dispersion light source is longer than 1 femtosecond but shorter than 0.25 second, and the energy of the single pulsed beam is less than 66.8 μ[J]. | 08-18-2011 |
20110204790 | LIGHTING SYSTEM WITH THERMAL MANAGEMENT SYSTEM - Lighting systems having unique configurations are provided. For instance, the lighting system may include a light source, a thermal management system and driver electronics, each contained within a housing structure. The light source is configured to provide illumination visible through an opening in the housing structure. The thermal management system is configured to provide an air flow, such as a unidirectional air flow, through the housing structure in order to cool the light source. The driver electronics are configured to provide power to each of the light source and the thermal management system. | 08-25-2011 |
20110204791 | Electrodeless Plasma Lamp Array - An electrodeless plasma lamp array structure uses multiple plasma lamps to produce large amounts of electromagnetic radiation (visible, IR, UV, or a combination of visible, IR, and UV). An M by N array configuration is powered by either a single RF power source or multiple RF power sources. The array incorporates controllers to adjust the power delivered from the RF power source to each lamp within the array. By adjusting the delivered RF power, the intensity of electromagnetic radiation that is emitted from each lamp is controlled independently allowing for the creation of an array of lamps that emit electromagnetic radiation of varying intensity levels at different places within the array. Using lamps with different color temperatures as part of the array allows the color temperature and the color rendering index of the illumination to achieve different lighting conditions. | 08-25-2011 |
20110260622 | LED TUBE AND LIGHTING FIXTURE ARRANGEMENT - A LED tube includes a substantially fluorescent-tube-shaped and fluorescent-tube-sized translucent or fluorescent tube having one or more LED components and a current control unit installed therein. Both ends of the LED tube are provided with a pair of contact pins for connecting the LED tube mechanically and electrically to the tube holders of the fluorescent tube lighting fixture. The tube has a safety unit arranged to prevent a voltage from transferring through the tube from its one end to the other until a voltage supplied from the corresponding tube holder of the lighting fixture to the pair of contact pins has been detected at each end of the tube separately. Electric power or switching control of electric power is cross-connected between the ends of the LED tube. | 10-27-2011 |
20110279038 | RETROFIT LED LAMP ASSEMBLY FOR SEALED OPTICAL LAMPS - A retrofit LED lamp assembly for the replacement of light bulbs in optical lamps mounted elevated on support posts is described. The optical lamps have a lamp housing with a reflector secured therein and supporting a light bulb. A glass shade projects the light. The retrofit LED lamp assembly has a support member on which light emitting diodes (LED's) are electrically insulatingly supported to replace the light bulb. An adjustable connection assembly is provided to secure the support member to the reflector. The support member is configured to position the LED's at a predetermined angle and orientation relative to configured reflective surface segments of the reflector whereby to produce a desired oriented photometric light distribution pattern. A heat sink is securable in contact with the support member to dissipate heat. A clear tempered glass lens replaces the glass shade. | 11-17-2011 |
20110279039 | LASER DOWNLIGHT AND LASER DOWNLIGHT SYSTEM - A laser downlight in accordance with the present invention includes: a laser diode for emitting a laser beam; an optical fiber having (i) an incidence end through which the optical fiber receives the laser beam emitted from the laser diode and (ii) an emitting end through which the optical fiber emits the laser beam received through the incidence end; and a light emitting section which emits light in response to the laser beam emitted through the emitting end. This achieves a small laser downlight that produces high luminous flux and consumes low electric power. | 11-17-2011 |
20110285292 | LED-BASED LUMINAIRES FOR LARGE-SCALE ARCHITECTURAL ILLUMINATION - Disclosed herein are exterior architectural fixtures employing LED-based light sources that are capable of projecting light over long distances and providing a wide variety of lighting effects with high lumen output. These lighting fixtures have improved heat dissipation properties and are particularly suitable for large-scale façade washing and for illuminating large architectural structures, such as skyscrapers, casinos, and retail establishments, integrating efficient and compact power supply and control components for driving high-intensity LEDs to achieve a vast variety of lighting effects on a large scale. | 11-24-2011 |
20110291569 | LIGHTING APPARATUS USING LIGHT-EMITTING DIODE - The present disclosure provides a lighting apparatus using a light-emitting diode (LED), which includes: LEDs; a power transfer substrate with the LEDs thereon; a radiating member radiating heat generated in the LEDs; a driver electrically connected to the power transfer substrate and integrally coupled to the power transfer substrate and the radiating member; and a heat insulation layer reducing the amount of heat transferred from the radiating member to the driver. In addition, the present disclosure provides a lighting apparatus using an LED, which further includes a cradle fixed to a given object and detachably fixing a lighting body in which a power transfer substrate with LEDs thereon, a radiating member and a driver have been integrally coupled. | 12-01-2011 |
20110304269 | LED LAMP FOR EASY ASSEMBLY AND FIXATION - A LED lamp for easy assembly and fixation includes a fixing plate, a vapor chamber, a LED module, an outer frame, and fixing elements. The fixing plate has assembling holes. The vapor chamber has a heat-releasing surface brought into thermal contact with the fixing plate and a heat-absorbing surface opposite to the heat-releasing surface. The LED module includes a circuit board and LEDs arranged on the circuit board. The outer frame is provided with through-holes corresponding to the assembling holes and an accommodating opening corresponding to the LEDs. The fixing elements penetrate the through-holes and the assembling holes respectively to assemble the outer frame with the fixing plate. With this arrangement, the vapor chamber and the LED module can be sandwiched between the outer frame and the fixing plate. Thus, the present invention can be assembled and fixed to a predetermined position with an excellent structural strength. | 12-15-2011 |
20110304270 | LIGHT EMITTING DIODE (LED) LIGHTING SYSTEMS AND METHODS - Methods, systems, and devices for light emitting diode (LED) lighting, including at least one of a multi-channel LED driver circuit including an electromagnetic interference (EMI) filter and rectification circuit, a power factor correction (PFC) circuit, a current and voltage isolation circuit, a voltage control circuit, and a current control circuit; a printed circuit board (PCB) including one or more surface mount or screw mount LEDs and electrically coupled to the LED driver circuit; a heat sink including an intercooling and ventilation chamber for air or water cooling disposed therein and thermally coupled to the PCB; and a lens housing having one or more lenses integrally formed therein and removably coupled to the heat sink with the lenses disposed over the LEDs. | 12-15-2011 |
20110309751 | HEAT SINK SYSTEM - The improved heat sink system for a lighting fixture includes a conductive mount configured to selectively receive and retain a lighting subassembly. An inner heat sink couples to the conductive mount and is positioned to encompass the lighting assembly. A plurality of cooling fins couple to and extend away from the inner heat sink. An outer heat sink couples to the cooling fins and is offset from the inner heat sink to permit air flow therebetween and over the cooling fins. This enables air convection cooling of the inner heat sink, the outer heat sink and the cooling fins simultaneously to draw heat energy away from the lighting subassembly. | 12-22-2011 |
20120013255 | SYSTEMS AND METHODS FOR SAMPLING LIGHT PRODUCED FROM AN LED ARRAY - A system embodiment comprises and LED array, an optical plane, optics, a sensor and a controller. The LED array is configured to generate LED light. The optical plane has a plurality of scattering features and with a mixing chamber. The optics is configured to direct the LED light to the optical plane. The plurality of scattering features are configured to reflect a sampled portion of the LED light into the mixing chamber. The mixing chamber is configured to mix the sampled portion of the LED light. The sensor is configured to sense the sampled portion of the LED light received from the mixing chamber. The controller is connected to the sensor and configured to control the LED array using the sensed, sampled portion of the LED light received from the mixing chamber. | 01-19-2012 |
20120025711 | SOLID STATE OUTDOOR OVERHEAD LAMP ASSEMBLY - An outdoor overhead lamp assembly uses light emitting diodes to provide illumination for an area to be illuminated. The lamp assembly includes a unitary housing, which may be formed from a single casting. The housing includes mechanical mounting structure for mounting the housing to a mast arm. The housing includes an electrical compartment for housing electrical components and connections. Heat sink fins are formed on the integral housing that provide for thermal control of the electronic components and LED modules within the lamp assembly. The LED modules are mounted to aiming platforms within an optical compartment for the assembly. An external lens provides environmental protection for the LEDs and their individual lenses. The housing may also include structures for mounting decorative coverings or “skins” to accommodate different aesthetic requirements. | 02-02-2012 |
20120032597 | LIGHT EMITTING DIODE LAMP - An LED lamp includes first and second LED strings connected in parallel to each other and a variable resistor interconnected therebetween. The variable resistor includes a resistance track with resistance coils wound thereon and a slider moveable along the resistance track. One portion of resistance of the variable resistor is connected in series with the first LED string, and the other portion of the resistance of the variable resistor is connected in series with the second LED string. When a position of the slider of the variable resistor is changed, a first electric current flowing through one of the first and second strings is increased, while a second electric current flowing through the other one of the first and second strings is decreased, such that the color temperature of the LED lamp is changed accordingly. | 02-09-2012 |
20120056542 | High Illumination LED Bulb with 360-Degree Full Emission Angle - A high illumination LED bulb with a 360-degree full emission angle includes a transparent lamp seat, a transparent lampshade coupled to lamp seat, a support board disposed in a chamber defined by transparent lamp seat and transparent lampshade, a heat dissipating body supported by support board, and first and second light emitting modules. The first light emitting module includes a first substrate disposed on a face of heat dissipating body and at least one LED disposed on first substrate. The second light emitting module includes a second substrate disposed on another face of heat dissipating body and at least one LED disposed on second substrate. The LEDs on first and second substrates can project upper and lower projection lights respectively, and reflected halo formed by projection of upper projection light on transparent lampshade can form side projected halo, thereby a 360-degree full emission angle projected halo can be formed. | 03-08-2012 |
20120062119 | LIGHT GENERATING DEVICE AND METHOD FOR CONTROLLING THE DEVICE - A light generating device includes: an LED module, a memory, an LED module driving unit, a current controller, a temperature sensor, an operation unit, and a key input unit. The light generating device increases the light emission efficiency. | 03-15-2012 |
20120068604 | LED-Based Replacement for Fluorescent Light Source - A light source that is adapted to replace existing fluorescent tubes in an existing fluorescent light fixture is disclosed. The light source includes a plurality of LEDs mounted on a heat-dissipating structure, first and second plug adapters that mate with the florescent tube connectors of the fluorescent tube the light source is to replace, and a power adapter that converts power from a fluorescent tube ballast presented on the first and second plug adapters to DC power that powers the LEDs. The light source is powered from the output of the existing fluorescent ballast. The light source can utilize the existing metallic enclosure as a heat-radiating surface and/or direct air heat transfer from the surface of the heat-dissipating structure. | 03-22-2012 |
20120086341 | ALTERNATING CURRENT LED ILLUMINATION APPARATUS - An alternating current light emitting diode (LED) illumination apparatus includes a heat dissipation plate, a plurality of LED chips, a circuit layer, an encapsulation, at least one electrode located on the heat dissipation plate, and a driving element. The LED chips are categorized into at least two LED chip groups connected in series, and each LED chip group comprises at least two LED chips connected in anti-parallel. The driving element comprises a transformer and a bilateral switch. One end of a first switch of the bilateral switch selectively connects to an output terminal of the transformer to output a selected driving voltage to the LED chips. One end of a second switch of the bilateral switch connects to the first switch and the other end of the second switch selectively connects to a LED chip group or all of the LED chips. | 04-12-2012 |
20120098434 | LED LIGHT ASSEMBLY AND ASSOCIATED METHOD - A light assembly, and an associated method, provides color-mixed light generated by light emitter diode elements. A temperature sensor is position to sense temperature levels proximate to the LED light-emitter elements. And, a coolant flow generator is configured in a feedback arrangement to generate coolant fluid to dissipate thermal energy generated during operation of the LED elements to maintain the temperature levels at a constant temperature or within an allowable range. | 04-26-2012 |
20120139418 | ROD LIGHT - A portable lighting system including a housing having an elongated slot formed in a surface of the housing. The slot being sized to receive a rod therein via an opening in the slot. The system further including a retention member movable between a closed position and an opened position, wherein the closed position provides at least a portion of the retention member blocking at least a portion of the upper opening of the slot and the opened position includes the retention member not blocking the upper opening of the slot. The system also having a light source including a plurality of lights oriented in different directions. | 06-07-2012 |
20120146512 | LED LIGHTING MODULE AND LIGHTING DEVICE USING THE MODULE - Provided are an LED light-emitting module and an illumination apparatus using the same. The LED light-emitting module includes a body frame having a light emitting opening in a direction inclined with respect to a ground surface and a coupling surface to which an LED package is coupled, the body frame including reflective plates extending from opposite sides of the coupling surface to define the light emitting opening, a plurality of heat radiating fins placed on the entire surface of the body frame except for the light emitting opening, and a plurality of LED packages installed on the coupling surface of the body frame such that light radiation angles of the LED packages are adjusted according to an angle by which the coupling surface is bent. | 06-14-2012 |
20120161632 | Scalable Heat Dissipating Microelectronic Integration Platform (SHDMIP) For Lighting Solutions And Method Of Manufacturing Thereof - The present invention provides a Scalable Heat Dissipating Microelectronic Integration Platform (SHDMIP) LED Package having excellent heat dissipation and protection to LED, thus extending the lifespan of the LED. The SHDMIP LED package comprises a dual lead frame assembly comprising bottom and top lead frame, protection and driver circuits conductively attached to the bottom lead frame and a LED conductively attached to the top lead frame. The bottom lead frame comprises heat sink pad for heat dissipation purpose. Plurality of SHDMIP LED packages of the present invention can be configured in a matrix or row, forming a SHDMIP LED array for various lighting solutions. A method to manufacture the SHDMIP LED array of the present invention is provided herein. | 06-28-2012 |
20120169235 | Light Assembly Having Light Sources and Adjacent Light Tubes - A light assembly includes a light source circuit board and a plurality of light-emitting diodes disposed on the light source circuit board. A plurality of light pipes axially extends from and adjacent to each light-emitting diode. Each light pipe has a respective first end adjacent to the plurality of light-emitting diodes and a second end opposite to the light-emitting diodes. The plurality of light pipes communicates light from the light-emitting diodes therethrough and defines a cavity therebetween. A plurality of thermal vanes forms a heat sink for removing heat from the light-emitting diodes. The plurality of thermal vanes extend adjacent to the plurality of light pipes. A driver circuit board is disposed within the cavity. | 07-05-2012 |
20120181932 | LIGHT EMITTING APPARATUS - A light emitting apparatus comprises a light source array, a diffuser, and a control module. The diffuser is located below the light source for providing the simulated solar light to a test plane. The control module is configured for controlling driving voltages of the light source array. The emission spectrum of the light emitting apparatus complies with a predetermined standard, and the light source array is divided into a plurality of light groups with different wavelength bands according to the predetermined standard. The light groups in the light source array are composed of a plurality of light rows connected in parallel, and each light row of the light group is composed of a plurality of light emitting diodes (LEDs) and a resistor connected in series. | 07-19-2012 |
20120187845 | METHOD OF CONFIGURING AN LED DRIVER, LED DRIVER, LED ASSEMBLY AND METHOD OF CONTROLLING AN LED ASSEMBLY - A method of configuring an LED driver is disclosed. The LED driver being arranged to provide a supply current to an LED fixture comprising a plurality of LEDs. The method comprises: identifying the LED fixture (LF), sending via a communication network (NTW) a configuration request to a configuration database (DB), receiving configuration data from the configuration database; and configuring the LED driver (LPS) according to the configuration data. | 07-26-2012 |
20120262065 | LIGHTING MODULE - The present disclosure relates to a lighting module wherein a DC-DC converter and an LED module are provided as an integral part of the lighting module, and an AC-DC module is provided separately from the lighting module. The AC-DC module is effectively a remote power supply that can be easily replaced without having to replace, reconfigure, or otherwise modify the lighting module. With this configuration, the DC-DC module may be tuned for the particular LED module of the lighting module, and in the case of a failure of the AC-DC module, the AC-DC module can be replaced without having to replace or retune the DC-DC module. | 10-18-2012 |
20120262066 | Retrofit LED-Lamp - 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. | 10-18-2012 |
20120274214 | LIGHTING DEVICE WITH COOLING ARRANGEMENT - In a lighting device ( | 11-01-2012 |
20120274215 | LIGHT SOAKING SYSTEM FOR PHOTOVOLTAIC MODULES - An apparatus for exposing photovoltaic (PV) modules to simulated sunlight for testing purposes, comprising a chamber including a plurality of lamps disposed on a substantially vertical lamp plane, at least one substantially vertical target plane upon which are disposed one or more PV modules, at least one reflector for directing light from the lamps to the at least one target plane, and a cooling system to exhaust heat from the apparatus and maintain the temperature of the PV modules at a predetermined value. | 11-01-2012 |
20120286665 | LIGHTING DEVICE, LAMP AND METHOD FOR LIGHTING THE SAME - A lighting device includes a lighting engine and at least a wavelength-converting element. The lighting engine includes a circuit board, a blue light emitting diode and a red light emitting diode. The blue light emitting diode and a red light emitting diode are disposed on the circuit board. The wavelength-converting element covers at least the blue light emitting diode. A wavelength-converted light is generated by converting a part of light emitted by the lighting engine through the wavelength-converting element. White light having a color temperature within a range from 2580K to 3220K on the black-body radiation of the CIE-1931 chromaticity diagram is generated by mixing the wavelength-converted light and non-converted light emitted by the lighting engine. | 11-15-2012 |
20120286666 | REGULATION OF WAVELENGTH SHIFT AND PERCEIVED COLOR OF SOLID STATE LIGHTING WITH INTENSITY AND TEMPERATURE VARIATION - Representative embodiments of the disclosure provide a system, apparatus, and method of controlling an intensity and spectrum of light emitted from a solid state lighting system. The solid state lighting system has a first emitted spectrum at full intensity and at a selected temperature, with a first electrical biasing for the solid state lighting system producing a first wavelength shift, and a second electrical biasing for the solid state lighting system producing a second, opposing wavelength shift. Representative embodiments provide for receiving information designating a selected intensity level or a selected temperature and providing a combined first electrical biasing and second electrical biasing to the solid state lighting system to generate emitted light having the selected intensity level and having a second emitted spectrum within a predetermined variance of the first emitted spectrum over a predetermined range of temperatures. | 11-15-2012 |
20120299480 | System And Method For Current Modulated Data Transmission - Light Emitting Diodes (LEDs) are increasingly used in illumination applications. To control multiple Light Emitting Diodes (LEDs), or any other controllable light source, this document introduces a single-wire multiple-LED power and control system. Specifically, individually controlled LED units are arranged in a series configuration that is driven by a control unit located at the head of the series. Each of the individually controlled LED units may comprise more than one LED that is also individually controllable. The head-end control unit provides both electrical power and control signals down a single wire to drive all of the LED units in the series in a manner that allows each LED unit to be controlled individually or in assigned groups. | 11-29-2012 |
20120306370 | LIGHTING DEVICES WITH INDIVIDUALLY COMPENSATING MULTI-COLOR CLUSTERS - A lighting device includes multiple solid state emitter (e.g., LED) chips of different colors mounted on a single submount, at least one temperature sensing element arranged to sense temperature of the LED chips, and at least one temperature compensation circuit element mounted on the single submount to maintain output emissions at a substantially constant color point over a range of different temperatures. Such a device may include a blue LED arranged to stimulate a yellow lumiphor and a red LED, arranged in combination to yield warm white light. Multiple separately temperature compensated clusters of solid state emitters may be provided in a single lighting device, which may include an elongated body structure. | 12-06-2012 |
20120306371 | LIGHTING DEVICE - An embodiment discloses a lighting device, comprising a lamp holder, a lamp panel, a lamp base, wherein the lamp panel includes a light source and located in the lamp holder, the lamp holder is connected to the lamp base, a physical displacement control module, and a power supply driver module placed in the lamp base, wherein the physical displacement control module is connected to the power supply driver module, adapted to control the power supply driver module to change an output signal to the lamp panel according to detected physical displacement, and the power supply driver module affords power supply to the physical displacement control module. | 12-06-2012 |
20120313525 | LED LIGHTING SYSTEM AND HIGH-POWER LED LAMP - The present invention relates to a high-power LED lamp. The lamp includes an LED module, an inner heat sink disposing air passages along an axial direction thereof, a heat pipe assembly including multiple U-shaped heat pipes, and an outer heat sink. Middle sections of the heat pipes form a smooth surface on which the LED module is attached. Straight sections of the heat pipes are coiled around the inner heat sink. The smooth surface is located at an end of the inner heat sink not to block the air passages of the inner heat sink. An annular vapor chamber is packaged a grid-shaped configuration of the heat pipes and attached to each heat pipe. The invention achieves fast heat conduction and dissipates the heat via the inner and outer heat sinks. | 12-13-2012 |
20120313526 | LED LIGHTING SYSTEM AND HIGH-POWER LED LAMP - The present invention relates to a high-power LED lamp. The lamp includes an LED module, an inner heat sink disposing air passages along an axial direction thereof, a heat pipe assembly including multiple U-shaped heat pipes, and an outer heat sink. Middle sections of the heat pipes form a smooth surface on which the LED module is attached. Straight sections of the heat pipes are coiled around the inner heat sink. The smooth surface is located at an end of the inner heat sink not to block the air passages of the inner heat sink. An annular vapor chamber is packaged a grid-shaped configuration of the heat pipes and attached to each heat pipe. The invention achieves fast heat conduction and dissipates the heat via the inner and outer heat sinks. | 12-13-2012 |
20130009546 | LIGHT EMITTING DIODE (LED) LIGHTING FIXTURE - A high power lighting fixture which includes a first multiple of first light emitting diodes (LEDs) mounted and series connected to form a first serial string of LEDs on a first circuit board. A second multiple of second light emitting diodes (LEDs) mounted and series connected to form a second serial string of LEDs on a second circuit board. Mating circuit board connectors are mounted on the first and second circuit boards. The first and second LEDs, the number of first and second LEDs and the current supplied when operating the first and second LEDs are selected so that the lighting fixture is operable at a minimum electrical power rating of 100 Watts. A control signal is received which determines current division between the first and second LEDs. | 01-10-2013 |
20130020941 | Semiconductor Lamp - In various embodiments, a semiconductor lamp may include a driver cavity for accommodating driver electronics, and a light source substrate populated with at least one semiconductor light source, said driver cavity being closed by the light source substrate. | 01-24-2013 |
20130026922 | APPARATUS INCORPORATING AN OPTICALLY TRANSMITTING CIRCUIT BOARD - An apparatus and method of a lamp including an optically transmitting, thermally conductive substrate is provided. The substrate has a first side, a second side, and at least one edge. At least one solid state light source, such as but not limited to a light emitting diode, is disposed on the first side of the substrate. The at least one solid state light source (e.g., light emitting diode) includes at least one junction having a first junction temperature. The substrate used is an optically transmitting, thermally conductive substrate, with a thermal conductivity greater than or equal to about 3 W/mK. | 01-31-2013 |
20130026923 | SOLID STATE LIGHTING APPARATUS AND METHODS OF FORMING - A solid state lighting apparatus can include a substrate having first and second opposing surfaces, where at least one of the opposing surfaces is configured to mount devices thereon. A string of chip-on-board light emitting diode (LED) sets, can be on the first surface of the substrate and coupled in series with one another. An ac voltage source input, from outside the solid state lighting apparatus, can be coupled to the first or second surface of the substrate. | 01-31-2013 |
20130026924 | LED DRIVING CIRCUIT PACKAGE - An LED driving circuit package includes a rectification unit to receive an AC power voltage and rectify the AC power voltage to generate a ripple voltage, an LED driving switching unit including a plurality of switch units and a plurality of current control units. The LED driving circuit package further includes a low voltage control unit including a circuit power supply unit to generate low voltage power, a voltage detection unit to detect a magnitude of the ripple voltage, a reference frequency generation unit to generate a reference frequency, and a reference pulse generation unit to generate a reference pulse for controlling the operation of the LED driving switch unit according to the reference frequency and a magnitude of the voltage detected by the voltage detection unit. | 01-31-2013 |
20130038211 | DISPLAY DEVICE AND LED BAR CONNECTION METHOD THEREOF - Disclosed is a display device which includes a display panel, an LED bar configured to output a light to the display panel, and a source printed circuit board including a driver circuit driving the display panel and an LED driver circuit driving the LED bar, wherein the LED bar and the LED driver circuit are connected via a socket disposed at the source printed circuit board. | 02-14-2013 |
20130038212 | ILLUMINATION DEVICE AND DISPLAY DEVICE INCLUDING THE SAME - An illumination device includes a light source in which a plurality of light emitting elements are arranged, a luminous intensity controller configured to control luminous intensities of the plurality of light emitting elements separately in groups of one or more light emitting elements, and a predetermined correction table indicating temperature distribution characteristics corresponding to position information of the plurality of light emitting elements in the light source. The luminous intensity controller controls the luminous intensities of the plurality of light emitting elements corresponding to the position information based on the temperature distribution characteristics of the correction table. | 02-14-2013 |
20130043789 | SCREW-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. The base can include recessed channels between the nodes to enable airflow in multiple directions about 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. | 02-21-2013 |
20130049595 | LED LIGHTING APPARATUS WITH A HIGH EFFICIENCY CONVECTIVE HEAT SINK - An LED lighting apparatus including an LED chip having at least one LED, a light reflector configured to direct light emitted by the LED at a predetermined direction and dispersion angle, a heat sink including a mounting base and cooling fins extending from a first side of the mounting base and with the LED chip secured to an opposite second side of the mounting base, a cooling fan attached to the heat sink adjacent distal ends of the plurality of fins, an electrical regulator electrically connected to the cooling fan to provide regulated power to the cooling fan, an LED driver electrically connected to the LED chip, and a thermal limit switch mounted to the heat sink and configured to cut off power to the LED chip if a sensed temperature of the heat sink exceeds a temperature set point to thereby provide thermal protection to the LED chip. | 02-28-2013 |
20130049596 | SYSTEM FOR OPERATING AN LED LIGHT SOURCE - The invention relates to a system for operating an LED-based light source which system comprises an operating device that is designed to transform the input-side mains voltage to a supply voltage, and a control unit for the light source, which control unit is connected to the operating device and operates the LEDs using the supply voltage obtained from the operating device. The control unit is arranged in a module which is designed as a unit separate from the light source and which is connected thereto by means of a preferably flexible cable. | 02-28-2013 |
20130057152 | LED LIGHTING SYSTEM - Provided is a LED lighting system, including a lighting device driver having a power converter for converting an input voltage into a first DC voltage and outputting a first current having a substantially constant current value; and a LED lighting device assembly connected to the lighting device driver through two contacts. The LED lighting device assembly includes a plurality of light-emitting diode lighting devices having a plurality of lighting device connection bases and a plurality of LED units. The lighting device connection bases are connected in series with each other to allow the LED lighting devices to be connected in series with each other, and the lamp voltage is applied across the positive terminal and the negative terminal of the lighting device connection base and is generated by dividing the first DC voltage, thereby allowing the lamp currents outputted by the lighting device connection bases are substantially equal. | 03-07-2013 |
20130057153 | LIGHT-EMITTING DIODE LAMP - A light-emitting diode lamp is provided. The light-emitting diode lamp includes a light-emitting diode package that includes a light-emitting diode and a circuit substrate on which the light-emitting diode is mounted; a power supply unit that supplies power to the light-emitting diode; a heat radiation member that includes a mounting unit on which the light-emitting diode package is mounted and a cylindrical unit extending from the mounting unit and surrounding the power supply unit to discharge heat generated by the light-emitting diode package; and a heat radiation plastic that surrounds an outer surface of the cylindrical unit. | 03-07-2013 |
20130063030 | SCAVENGERS FOR REDUCING CONTAMINANTS IN LIQUID-FILLED LED BULBS - A liquid-cooled light emitting diode (LED) bulb which includes a base, a shell connected to the base forming an enclosed volume, and a plurality of LEDs attached to the base and disposed within the shell. The LED bulb also includes a volume of thermally-conductive liquid held within the enclosed volume. A scavenger element comprising a scavenger material is attached to the base and is exposed to the thermally-conductive liquid. The scavenger material is configured to capture contaminants in the thermally-conductive liquid. | 03-14-2013 |
20130063031 | Control Apparatus for a Circuit Arrangement for Operating a Light Source, as well as a System Comprising a Circuit Arrangement and a Circuit Arrangement, as well as a Method for Operating a Light Source - A control apparatus for at least one circuit arrangement for operating fluorescent lamps and LEDs. Switching can occur between operation of the fluorescent lamps and LEDs via a control input. | 03-14-2013 |
20130069533 | SEMICONDUCTOR LAMP AND METHOD FOR OPERATING A SEMICONDUCTOR LAMP - A semiconductor lamp may include at least one semiconductor light source and a driver for feeding the at least one semiconductor light source, wherein the driver is inductively coupled to the at least one semiconductor light source at least for the feeding. | 03-21-2013 |
20130088151 | Lamp Assembly Utilizing Light Emitting Diodes Including Hybrid Current Regulator System - A lamp assembly is provided. The lamp assembly has a housing that functions as a heat sink for the dissipation of heat therefrom. A plurality of light emitting diodes are also present and are configured to be driven by a current regulated by a linear current regulator and a switch mode current regulator. Thus, the amount of heat generated through driving the plurality of light emitting diodes is decreased such that the housing is optimally sized and still function as a heat sink. | 04-11-2013 |
20130099669 | LIGHTING SYSTEM FOR USE IN MOTION PICTURE AND VIDEO PRODUCTION - A method of lighting especially suited for use in motion picture and video production including, in various embodiments, the steps: providing lighting modules, each having one or more manual controls for controlling light output characteristics such as the intensity and hue of light produced and each capable of wirelessly communicating with other lighting modules over a wireless data network; interconnecting the lighting modules on the wireless data network; and adjusting the light produced by all lighting modules through adjustments using any one of the networked lighting modules. | 04-25-2013 |
20130106287 | Electrical Wiring Device for Lighting Control | 05-02-2013 |
20130134881 | LIGHT-EMITTING DIODE ARRANGEMENT AND LIGHT-EMITTING MEANS, IN PARTICULAR WITH SUCH A LIGHT-EMITTING DIODE ARRANGEMENT - A light-emitting diode arrangement includes a piezoelectric transformer having at least one output connection position, and a high-voltage light-emitting diode including a high-voltage light-emitting diode chip including at least two active regions connected in series with one another, wherein the high-voltage light-emitting diode is electrically connected to the output connection position of the piezo transformer. | 05-30-2013 |
20130140988 | TUNABLE LED LAMP FOR PRODUCING BIOLOGICALLY-ADJUSTED LIGHT - A tunable light-emitting diode (LED) lamp for producing an adjustable light output. In one embodiment, the LED lamp includes a drive circuit for driving LED dies in one of a plurality of light output configurations (e.g., a pre-sleep configuration, a phase-shift configuration, and a general lighting configuration). Further, the LED lamp may include an output-select controller and/or input sensor electrically coupled to the drive circuit to select the light output configuration. As such, the LED lamp is tunable to generate different levels of spectral output, appropriate for varying biological circumstance, while maintaining a commercially acceptable light quality and color rendering index. | 06-06-2013 |
20130140989 | REGULATION OF WAVELENGTH SHIFT AND PERCEIVED COLOR OF SOLID STATE LIGHTING WITH INTENSITY VARIATION - Representative embodiments of the invention provide a system, apparatus, and method of controlling an intensity and spectrum of light emitted from a solid state lighting system. The solid state lighting system has a first emitted spectrum at a full intensity level and at a selected temperature, with a first electrical biasing for the solid state lighting system producing a first wavelength shift, and a second electrical biasing for the solid state lighting system producing a second, opposing wavelength shift. Representative embodiments provide for receiving information designating a selected intensity level or a selected temperature; and providing a combined first electrical biasing and second electrical biasing to the solid state lighting system to generate emitted light having the selected intensity level and having a second emitted spectrum within a predetermined variance of the first emitted spectrum over a predetermined range of temperatures. | 06-06-2013 |
20130154481 | LED LIGHT SOURCE - Example embodiments of the present invention provide a LED light source with an effective and efficient heat management system. For example, embodiments of the present invention include devices, systems, materials, and methods to effectively transfer heat away from LEDs used in an LED light source to produce an LED light source that has high lumen output compared to conventional LED light sources. In particular, example embodiments of the present invention provide an LED light source that includes a transparent or translucent heat conductive material in which the LEDs are embedded. | 06-20-2013 |
20130187548 | EDGE WEIGHTED SPACING OF LEDS FOR IMPROVED UNIFORMITY RANGE - A light source may comprise a housing, a window mounted in a front plane of the housing, a window length spanning a front plane length, and a linear array of light-emitting elements within the housing. The linear array may be aligned with and emit light through the window, and the linear array may span the window length, wherein first and last light-emitting elements of the linear array are positioned adjacent to widthwise edges of the window, and wherein window sidewalls at the widthwise edges are aligned flush with housing sidewalls. | 07-25-2013 |
20130193850 | REMOTE THERMAL COMPENSATION ASSEMBLY - A thermal compensating circuit board (TCB) assembly comprising a substrate, the substrate comprising at least one thermal compensating circuit deposited thereon, the substrate devoid of a solid state emitter, and at least one electrical connector coupled to the at least one thermal compensating circuit, the connector configured to couple with a solid state emitter assembly and/or power supply. Lighting devices comprising the TCB assembly are provided. | 08-01-2013 |
20130200796 | HEAT SINK AND LED ILLUMINATING APPARATUS COMPRISING THE SAME - A light emitting diode (LED) illuminating apparatus including a heat sink, a light emitting module, a power connection portion, a translucent cover and a wiring path. The heat sink has a plurality of heat dissipation fins. The light emitting module is positioned on an upper portion of the heat sink. The power connection portion is positioned below a lower portion of the heat sink. The translucent cover is mounted to cover an upper portion of the light emitting module. The wiring path is formed in the heat sink so as to accommodate a wire for electrically connecting the power connection portion and the light emitting module. In the LED illuminating apparatus, the light emitting module emits light by directly receiving AC power supplied through the wire accommodated in the wiring path. | 08-08-2013 |
20130200797 | LIGHT SOURCES INCORPORATING LIGHT EMITTING DIODES - Taught herein are various light sources using light emitting diodes. A light source includes a housing, a connector configured for connection to an electrical socket and coupled to an end of the housing, at least one organic light emitting diode sheet mounted inside the housing and in electrical communication with the connector, and a power supply circuit for supplying electrical current to the at least one organic light emitting diode through the connector. | 08-08-2013 |
20130234598 | Wireless Lighting Control System - A lighting device includes a DC/DC power converter, a controller/processor electrically connected to the DC/DC power converter, a light emitting diode (LED) current control circuit communicably coupled to the controller/processor and electrically connected to the DC/DC power converter, and two or more LEDs comprising at least a first color LED and a second color LED electrically connected to the LED current control circuit. The LED current control circuit provides an on/off signal having a cycle time to each LED in response to one or more control signals received from the controller/processor such that the two or more LEDs produce a blended light having a specified color based on how long each LED is turned ON and/or OFF during the cycle time. | 09-12-2013 |
20130234599 | Lighting System Combining Natural and Artificial Light - A system for lighting an interior of a building according to one example embodiment includes a curb positioned on an exterior of the building for receiving natural light. A light duct is positioned within the curb having a reflective inner surface for transferring the natural light. A light fixture is connected to an outlet of the light duct such that both natural light and artificial light are emitted from the light fixture to the building interior. A photo sensor is positioned in the building interior to sense an illumination level therein. A controller in communication with the photo sensor and the light fixture is programmed to adjust the amount of light emitted by a dimmable light source in the light fixture in response to fluctuation in the illumination level sensed in the building interior in order to maintain a desired illumination level. | 09-12-2013 |
20130249402 | Wireless Lighting Control System - A lighting device includes a DC/DC power converter, a controller/processor electrically connected to the DC/DC power converter, a light emitting diode (LED) current control circuit communicably coupled to the controller/processor and electrically connected to the DC/DC power converter, and two or more LEDs comprising at least a first color LED and a second color LED electrically connected to the LED current control circuit. The LED current control circuit provides an on/off signal having a cycle time to each LED in response to one or more control signals received from the controller/processor such that the two or more LEDs produce a blended light having a specified color based on how long each LED is turned ON and/or OFF during the cycle time. | 09-26-2013 |
20130249403 | Wireless Lighting Control System - A lighting device includes a DC/DC power converter, a controller/processor electrically connected to the DC/DC power converter, a light emitting diode (LED) current control circuit communicably coupled to the controller/processor and electrically connected to the DC/DC power converter, and two or more LEDs comprising at least a first color LED and a second color LED electrically connected to the LED current control circuit. The LED current control circuit provides an on/off signal having a cycle time to each LED in response to one or more control signals received from the controller/processor such that the two or more LEDs produce a blended light having a specified color based on how long each LED is turned ON and/or OFF during the cycle time. | 09-26-2013 |
20130249404 | Reduced-Size Modular LED Washlight Component - A light-emitting diode (LED) light module is provided, comprising: a single-piece printed circuit board (PCB) comprising the following integrated on the PCB: a plurality of LEDs in each of a plurality of LED groups; a power supply converter; a controller module comprising a processor, memory, operational program stored in the memory and executable by the processor; input/output (I/O) circuitry, and an LED driver that drives the LEDs; the module further comprising: a single metallic housing that contains the PCB; a heat sink that conducts heat from components on the PCB to the housing; and a lens for diffusing or directing lights from the LEDs. | 09-26-2013 |
20130257278 | ELECTRICAL CONNECTORS FOR SOLID STATE LIGHT - A light having integrated light and thermal guides and separable electrical connectors. The light has a base for connection to a power supply, a light circuit electrically connected with solid state light sources such as LEDs, and a driver circuit for receiving power from the power supply and providing power to drive the light sources. A light guide is coupled to the light sources for receiving and distributing light from the light sources, and a thermal guide is integrated with the light guide for providing thermal conduction from the light source for cooling the light. The separable connectors include a first connector for providing an electrical connection between the driver circuit and light circuit, a second connector for providing an electrical connection between the power supply and driver circuit, and a third connector for providing a ground connection to the driver circuit. | 10-03-2013 |
20130257279 | LED DRIVER CIRCUIT AND METHOD - An LED driver design has a single controller used to drive multiple strings of LEDs. In one aspect there is dynamic threshold voltage setting so that the individual characteristics of the LED strings can be taken into account in the voltage control loop. In another aspect, excess energy is dissipated off-chip in a dedicated heat dissipater, and the routing of current to the heat dissipater is controlled dynamically such that a desired integrated circuit biasing remains stable. | 10-03-2013 |
20130264943 | Wireless Lighting Control System - A lighting device includes a DC/DC power converter, a controller/processor electrically connected to the DC/DC power converter, a light emitting diode (LED) current control circuit communicably coupled to the controller/processor and electrically connected to the DC/DC power converter, and two or more LEDs comprising at least a first color LED and a second color LED electrically connected to the LED current control circuit. The LED current control circuit provides an on/off signal having a cycle time to each LED in response to one or more control signals received from the controller/processor such that the two or more LEDs produce a blended light having a specified color based on how long each LED is turned ON and/or OFF during the cycle time. | 10-10-2013 |
20130264944 | LED White-Light Devices for Direct Form, Fit, and Function Replacement of Existing Lighting Devices - A white light LED-based lighting device configured for direct form, fit, and function replacement of existing incandescent and fluorescent devices is provided. The white light LED-based lighting device comprises a group of solid state light emitting diodes, electronics to activate the light emitting diodes, and an encapsulating housing configured for direct form, fit, and function replacement of existing devices. | 10-10-2013 |
20130278143 | DRIVING CIRCUIT - A driving circuit includes a plurality of light-emitting units, a plurality of switches, and a bias current module, wherein the light-emitting units are coupled with each other in series and are driven with an input voltage varying according to a frequency. Each switch has a reference voltage and a critical activation voltage and includes a light-emitting end and a bias end opposite to the light-emitting end, wherein the light-emitting end is coupled with the light-emitting units, and the bias ends of the switches are coupled with each other. The bias current module is coupled with the bias ends of the switches and has an operating bias voltage varying according to the frequency, wherein each switch is driven to be activated or to be deactivated according to a relation of the critical activation voltage and a difference between the reference voltage and the operating bias voltage. | 10-24-2013 |
20130285553 | System And Method For Single Conductor Power, Control, And Feedback System - To control multiple electronic circuits organized in a series configuration, this document introduces a single-wire power, control, and feedback system. Specifically, individually controlled electronic circuits are arranged in a series configuration that is driven by a control unit located at the head of the series. The head-end control unit provides both electrical power and control signals down a single wire to drive all of the electronic circuits in the series in a manner that allows each electronic circuit to periodically draw power from the single wire and receive control information. Each electronic circuit in the series may communicate back to the head-end control unit by drawing power or not during a specified time slot. | 10-31-2013 |
20130293106 | CANOPY LIGHT SYSTEM AND ASSOCIATED METHODS - A retrofit canopy light system is provided that has a multi-output power supply assembly in electrical communication with a plurality of luminaire assemblies through a plurality of distribution wires. In one embodiment, each luminaire assembly may receive an electric current from a respective distribution wire extending from the power supply assembly. The power supply assembly may convert high-voltage AC to low-voltage, regulated DC. Each luminaire assembly may comprise a light source and a low profile, heat-dissipating frame in thermal and mechanical communication with the light source. The heat-dissipating frame may be constructed of a thermally conductive material, and may include a plurality of heat sink fins and bars. The heat-dissipating frame may present a substantially flat surface configured for flush mounting adjacent to an existing canopy fixture. | 11-07-2013 |
20130300290 | Self-Calibrating Multi-Directional Security Luminaire and Associated Methods - A luminaire may include a wall mount and a driver circuit housing connected to the wall mount. The luminaire may also include a camera housing connected to the driver circuit housing, a light source housing connected to the camera housing, and a light source array that includes a plurality of light sources carried by the light source housing. The luminaire may include a prism, a heat sink in thermal communication with the light source array, and a camera carried by the camera housing. The luminaire may also include a sensor and a driver circuit carried by the driver circuit housing. The camera and/or the sensor may be configured to detect the presence and vicinity of an object in the target area. The light sources may be configured to emit light to illuminate the vicinity of the object sensed in the target area. | 11-14-2013 |
20130320855 | SOLID-STATE AUXILIARY LAMP - A solid-state auxiliary lamp includes a lamp head having a plurality of LED modules; a thermoelectric cooler coupled to the LED modules; and a drive unit. The drive unit can include a plurality of current sources, each of the current sources coupled to a corresponding LED module; and a processor coupled to the current sources and configured to control each current source to control the light output of each current source's corresponding LED module. | 12-05-2013 |
20130334965 | SEMICONDUCTOR LIGHTING APPARATUS - A semiconductor lighting apparatus includes a plurality of semiconductor light emitting devices for outputting light having respective colors, a projector for synthesizing output light of the semiconductor light emitting devices and outputting synthesized light, and a calculating portion. The calculating portion controls a driving current to be supplied to the semiconductor light emitting devices in such a manner that a light quantity detected by optical sensors approximates to a predetermined target light quantity, and calculates a target temperature of the semiconductor light emitting devices to control temperature regulating portions in such a manner that a temperature detected by temperature sensors approximates to the target temperature. | 12-19-2013 |
20140001956 | Lighting Device | 01-02-2014 |
20140035461 | HIGH-BAY LIGHTING - Exemplary embodiments are directed to methods, system, and devices for high-bay lighting. A device may comprise a plurality of reflectors coupled to a support structure. The device may further include a plurality of light emitting diodes (LEDs), wherein each LED of the plurality of LEDs is coupled to and positioned within a dedicated reflector of the plurality of reflectors. | 02-06-2014 |
20140055036 | Web Browser Configurable and Programmable Light Bulb - A self cooling light effects device for use in a standard light bulb socket having a socket adaptor, surface embedded LEDs as means to generate light effects, means to control light effects, and means for cooling. Fiber optic cables provide further light effects. Means to control 5 light effects may include a logic board. Means for cooling may be any combination of fans, heat sinks, heat pipes, thermoelectric cooling, a heat conductive filler, and a heat conductive housing. | 02-27-2014 |
20140070702 | LED LAMP - A LED lamp includes housing, a circuit layer, at least one LED die, a light-transmitting adhesive, a lamp shade, a light-transmitting liquid and the conductive connector. One end of the housing has a protrusion. The circuit layer is placed on the protrusion. The LED die is placed on the protrusion and electrically connected to the circuit layer. The light-transmitting adhesive covers the circuit layer and the light emitting die. The lamp shade including a plurality of ventilating holes is connected to the housing, and an accommodating space is cooperatively defined by the lamp shade and the housing. The light-transmitting liquid is filled within the accommodating space, and the LED die is sunk therein. | 03-13-2014 |
20140070703 | Wirelessly Controllable LED Bulb and Wireless Control Method thereof - A wirelessly controllable light emitting diode (LED) bulb includes a plurality of LED chips to provide a light source; a wireless control module to receive a wireless signal and control ON/OFF status of the plurality of LED chips and brightness of the light source; a sleeve enclosing the wireless control module to protect the wireless control module; a driving unit to provide power needed by the plurality of LED chips according to an input power source; a threaded base portion to receive the input power source and fasten the LED bulb to a lamp holder; a base plate to carry the plurality of LED chips; and an outer bulb shell enclosing the sleeve, the plurality of LED chips and the base plate to transmit the light source and protect the sleeve, the wireless control module, the plurality of LED chips and the base plate. | 03-13-2014 |
20140103809 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display according to an embodiment includes an organic light emitting diode panel configured to display images, a back cover attached to the organic light emitting diode panel by an adhesive layer, a driving circuit board disposed at a rear surface side of the back cover, and a heat radiator disposed between the driving circuit board and the organic light emitting diode panel, so as to redirect heat generated from the driving circuit board away from the organic light emitting diode panel. | 04-17-2014 |
20140125228 | DRIVING CIRCUIT - A driving circuit includes a plurality of light-emitting units, a plurality of switches, and a voltage generating module. The light-emitting units are coupled with each other in series and are driven with an input voltage varying according to a frequency. Each switch has a preset voltage and an activation voltage and includes a light-emitting end, a control end, and a setting end. The light-emitting ends are coupled with the light-emitting units, and the setting ends of the switches are coupled with each other. The voltage generating module includes a plurality of control units and provides a plurality of control voltages to the switches, and each switch is driven to be activated or to be deactivated according to a relation of the preset voltage and a difference between the control voltage and the activation voltage when the input voltage drives the light-emitting units, the switches, and the control units. | 05-08-2014 |
20140139108 | LIGHT EMITTING APPARATUS - An LED-based luminaire is configured to direct light from an LED source downwardly. However, a portion of the luminaire intentially reflects part of the light upwardly toward a ceiling of a structure. A control circuit of an LED-based luminaire enables the luminaire to be dimmed by an off-the-shelf dimmer. The control circuit also determines when a temperature of the LED-based luminaire exceeds a desired temperature range, and employs a feedback circuit to reduce power delivery to the LEDs until the temperature is again within the desired temperature range. | 05-22-2014 |
20140159583 | METHOD AND LED APPARATUS FOR LIGHTING WITH LED LIGHTING CONTROLLER - A high efficiency LED lighting system with four LED modules. Each module has heat sink assemblies arranged in rows. The heat sink assemblies comprise an LED package mounted on a heat sink reflector. The LED package has a flat find diffusing lens positioned over the diode. A diffusing lens is spaced apart from the heat sink assemblies. A switch mode power supply controller provides power to a pair of light sources. The controller includes a low voltage programmable current source and adjusting elements for independently adjusting the current to the LED light sources. The controller also includes a first communication port for receiving a communication from an external device and a second communication port for sending a communication to a third power supply controller. These ports provide an upstream and downstream communication capability through a chain of controllers so that input from a device can be communicated upstream and downstream. | 06-12-2014 |
20140175981 | METHOD OF CONFIGURING AN LED DRIVER, LED DRIVER, LED ASSEMBLY AND METHOD OF CONTROLLING AN LED ASSEMBLY - A method of configuring an LED driver is disclosed. The LED driver being arranged to provide a supply current to an LED fixture comprising a plurality of LEDs. The method comprises: identifying the LED fixture (LF), sending via a communication network (NTW) a configuration request to a configuration database (DB), receiving configuration data from the configuration database; and configuring the LED driver (LPS) according to the configuration data. | 06-26-2014 |
20140197735 | THERMAL CONTROL CIRCUIT FOR AN ACTIVE COOLING MODULE FOR A LIGHT-EMITTING DIODE FIXTURE - A thermal control circuit comprises a positive temperature coefficient thermistor array, a negative temperature coefficient thermistor array, and a resistor array. The positive temperature coefficient thermistor array and the resistor array are electrically connected in parallel to a first terminal of the thermal control circuitry. The negative temperature coefficient thermistor array is electrically connected to a second terminal of the thermal control circuit. The positive temperature coefficient thermistor array, a negative temperature coefficient thermistor array, and the resistor array are all connected by a negative bus to a third terminal of the thermal control circuit. | 07-17-2014 |
20140210346 | LIGHT EMITTING DIODE LAMP AND SYSTEM OF THE SAME - A light emitting diode lamp system, comprising: multiple lamps, a control module, multiple hubs and a receiver. Each of the multiple lamps includes a main body and a heat sink. The control module includes a second circuit board and multiple input units. The multiple input units include a dynamic light adjustment start key and a dynamic light adjustment stop key. Each of the multiple hubs is coupled with multiple lamps and power supply units. The receiver is coupled with multiple hubs and receives the first-light-source control signal. Therefore, through the unique design of the main body, the present disclosure can be applied on a traditional lamp, or applied with an MR16 lamp fixture, thereby the present disclosure can increase the range of application of the light emitting diode lamp and the system of the same. | 07-31-2014 |
20140210347 | AC LED LAMP - An AC LED lamp includes first and second AC power ends, a lighting module and a DC power output circuit. The lighting module has first and second ends and an LED unit. The first end is connected to the first AC power end. The LED unit has one or more LEDs. The DC power output circuit has first and second ends. The second end of the DC power output circuit is coupled to the second AC power end. The first end of the DC power output circuit is coupled to the second end of the lighting module. The DC power output circuit has a DC output side and is not directly connected to the first AC power end. The DC power output circuit has a rectifying unit and a voltage limiting and filtering unit. The rectifying unit and the voltage limiting and filtering unit are coupled to the lighting module. | 07-31-2014 |
20140232267 | Workspace lighting system - A modular lighting system for lighting a work area is disclosed. The system includes a power supply with power outlets for powering LED fixtures. The power supply preferably operates at or below a fixed power output level, such as to illuminate the work area using less than 0.2 Watts per square foot of energy. The lighting system also includes an occupancy sensor and/or a light level sensor for controlling lighting levels in the work area in response to detection of a person, ambient light levels and/or a combination thereof. The lighting system can also include computer unit with a micro-processor and a memory unit for running software or firmware the executes lighting programs, stores light usage histories and/or provides system reports to a remote computer by a wireless means and/or over a computer network. | 08-21-2014 |
20140285088 | LIGHT-EMITTING DIODE MODULE AND METHOD FOR OPERATING A LIGHT-EMITTING DIODE MODULE - In at least one embodiment of the LED module ( | 09-25-2014 |
20140312771 | RECTANGULAR LED LIGHTING APPARATUS - A rectangular LED lighting apparatus connected directly to an AC power supply is provided. The rectangular LED lighting apparatus includes: a printed circuit board in which circuit patterns are formed for electrical connection of LEDs; a rectification unit configured to rectify an AC voltage and output a DC rectified voltage; an LED unit driven by the rectified voltage, the LED unit including first to n-th light emitting blocks (where n is a positive integer equal to or greater than 2) arranged linearly on the printed circuit board; and an LED driving control unit configured to sequentially drive first to m-th light emitting groups (where m is a positive integer equal to or greater than 2), each of which includes n LEDs, according to a voltage level of the rectified voltage output from the rectification unit. | 10-23-2014 |
20140312772 | LED REPLACEMENT KIT FOR HIGH INTENSITY DISCHARGE LIGHT FIXTURES - Disclosed is a kit for converting an existing high discharge light unit to an LED based light unit, with the option of including a networked capability among a group of LED light units. The kit includes a drop-in component mounting plate on which are mounted an LED light source, sensors including a thermal sensor, a control unit, a DC power supply, a heat sink, and a dimmer unit. A wired or wireless transceiver allows the LED light units to operate as a network, with two way flow of information from the LED light units to a control unit. | 10-23-2014 |
20140312773 | System and Method for Thermal Protection for a Universal Load Control Cabinet - A universal load control module may include a power supply that operates over a wide voltage range, a microcontroller, and one or more functional control blocks. A functional control block may include a dimmer circuit for controlling a lighting load that provides reverse phase cut mode dimming, forward phase cut mode dimming, and hybrid phase cut mode dimming, as well as thermal protection. One or more universal control modules may be housed in a cabinet that include a cabinet control module. The cabinet may include additional thermal protection measures. | 10-23-2014 |
20140354155 | FAN COOLED LED LIGHT AND HOUSING - A light emitting diode (LED) system that includes a LED, a heat sink, a fan housing, a fan, and a cover is disclosed. The heat sink is typically coupled to the LED, and the fan housing is typically coupled to the heat sink opposite the LED. The fan housing is sized to fit within an electrical junction box and includes a fan housing aperture that extends through the fan housing. A cover may be coupled to the fan housing opposite the heat sink. The system may include at least one air intake opening and at least one air exhaust opening. When activated, the fan may external air into the fan housing through the air intake opening and direct the air toward the heat sink and ultimately through the air exhaust opening. In so doing, the temperature of the heat sink and the LED is reduced. | 12-04-2014 |
20140368114 | LIGHTING SYSTEM WITH THERMAL MANAGEMENT SYSTEM - Lighting systems having unique configurations are provided. For instance, the lighting system may include a light source, a thermal management system and driver electronics, each contained within a housing structure. The light source is configured to provide illumination visible through an opening in the housing structure. The thermal management system is configured to provide an air flow, such as a unidirectional air flow, through the housing structure in order to cool the light source. The driver electronics are configured to provide power to each of the light source and the thermal management system. | 12-18-2014 |
20150022088 | LED Array Member and Thermally Decoupled Integrated Control Module Assembly - A LAM/ICM assembly comprises an integrated control module (ICM) and an LED array member (LAM). In a first aspect, active circuitry is embedded in the ICM. The circuitry monitors LED operation, controls and supplies power to the LEDs, and communicates information into and out of the assembly. A thermal insulator is disposed between the ICM and a heat sink outside the lateral boundary of the LAM. In a second aspect, a lighting system comprises an AC-to-DC converter and a LAM/ICM assembly. The AC-to-DC converter outputs a substantially constant current or voltage. The magnitude of the current or voltage is adjusted by a signal output from the LAM/ICM. In a third aspect, the ICM includes a built-in switching DC-to-DC converter. An AC-to-DC power supply supplies a roughly regulated supply voltage. The switching converter within the LAM/ICM receives the roughly regulated voltage and supplies a regulated LED drive current to its LEDs. | 01-22-2015 |
20150054406 | LED Array Member and Integrated Control Module Assembly Having Active Circuitry - An LAM/ICM assembly comprises an integrated control module (ICM) and an LED array member (LAM). The ICM includes interconnect through which power from outside the assembly is received. In a first novel aspect, active circuitry is embedded in the ICM. In one example, the circuitry monitors LED operation, controls and supplies power to the LEDs, and communicates information into and out of the assembly. In a second novel aspect, a lighting system comprises an AC-to-DC converter and a LAM/ICM assembly. The AC-to-DC converter outputs a substantially constant current or voltage. The magnitude of the current or voltage is adjusted by a signal output from the LAM/ICM. In a third novel aspect, the ICM includes a switching DC-to-DC converter. An AC-to-DC power supply supplies a roughly regulated supply voltage. The switching converter within the LAM/ICM receives the roughly regulated voltage and supplies a regulated LED drive current to its LEDs. | 02-26-2015 |
20150061498 | Temperature Controlled High Output LED Lighting System - A lighting system for providing high intensity lighting may include an LED system and a control system that controls the LED system based on a determined temperature to ensure that a minimum acceptable lighting value is provided at all times while thermally protecting the LED system. The high output lighting system has a lamp or luminaire equipped with the LED system producing a thermally regulated LED lighting system well suited for indoor and/or outdoor lighting applications such as portable and other light towers. | 03-05-2015 |
20150069914 | Lighting Interconnection and Lighting Control Module - A light module includes lighting elements. The lighting elements including a light emitting diode, a power block a constant current driver and power terminals. The lighting elements are connected together vertically and horizontally by the power terminals to form a shape. | 03-12-2015 |
20150097488 | METHOD AND SYSTEM FOR LIGHT ARRAY THERMAL SLOPE DETECTION - A system and method for operating one or more light emitting devices is disclosed. In one example, the light emitting devices may be deactivated in response to a rate of temperature rise of the light emitting devices. | 04-09-2015 |
20150137683 | LED LAMPS AND CONTROLLERS FOR LIGHTING FIXTURES - LED lighting systems including mated components such that the LED light source component is separated from the LED controller by a distance and/or by a temperature differential are disclosed. | 05-21-2015 |
20150145415 | LED Array Member and Integrated Control Module Assembly with Built-In Switching Converter - A LAM/ICM assembly comprises an integrated control module (ICM) and an LED array member (LAM). The ICM includes interconnect through which power from outside the assembly is received. In a first novel aspect, active circuitry is embedded in the ICM. In one example, the circuitry monitors LED operation, controls and supplies power to the LEDs, and communicates information into and out of the assembly. In a second novel aspect, a lighting system comprises an AC-to-DC converter and a LAM/ICM assembly. The AC-to-DC converter outputs a substantially constant current or voltage. The magnitude of the current or voltage is adjusted by a signal output from the LAM/ICM. In a third novel aspect, the ICM includes a built-in switching DC-to-DC converter. An AC-to-DC power supply supplies a roughly regulated supply voltage. The switching converter within the LAM/ICM receives the roughly regulated voltage and supplies a regulated LED drive current to its LEDs. | 05-28-2015 |
20150312989 | SYSTEM AND DEVICE FOR DRIVING A PLURALITY OF HIGH POWERED LED UNITS - A system for driving a plurality of high powered LED units, the system comprising a single driver for providing ripple free constant direct current to a plurality of high powered LED lamp units, wherein the single driver comprises a digital controller programmable to adjust the ripple free constant direct current at every predetermined time interval based on detection and computation of the duration taken for the energy to be discharged to the LED lamp unit to adjust the ripple free constant direct current. The above system achieves a one driver to many LED lamp units such that it alleviates or eliminates the need to have a driver attached to each LED lamp unit. | 10-29-2015 |
20160007421 | LIGHTING DEVICE AND METHOD FOR MANAGING A LIGHTING SYSTEM - Lighting device including a plurality of lighting elements, at least one sensor receiving sensory stimuli from an establishment, and a control means connected with the at least one sensor and with the lighting elements. The control means can send lighting management instructions to the lighting elements depending on the captured and processed information. The lighting device also allows managing lighting in an intelligent manner. The lighting device can light with greater intensity the areas of an establishment where there are more people or the areas where greater attention is needed but are not visited often enough. The lighting device can also light in any other suitable manner depending on the information provided by the implemented sensory metrics or other independent business rules. | 01-07-2016 |
20160064204 | Intelligent Radio-Controlled Plasma Light - The user of plasma light technology and remote lighting control techniques may enable a single master controller to control a large number of lighting fixtures. Multiple lighting fixtures may be equipped with control applications. Each control application may control the radio frequency driver of a lighting fixture that drives the plasma bulbs of the lighting fixture to produce light output for growing plants. The master controlled may execute on one or more computing devices. The master controller may send input instructions to the control applications of the lighting fixtures via a network. The instructions may be implemented by the control applications to command the radio frequency drivers to regulate a spectral distribution and/or intensity of the light output of the lighting fixtures. | 03-03-2016 |
20170238377 | AC Light Emitting Diode and AC LED Drive Methods and Apparatus | 08-17-2017 |