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US20110260638 REFLECTOR-TYPE LAMP WITH INTEGRATED HEAT DISTRIBUTION AND EMI SHIELDING  
Reflector-type lamps and housings with integrated heat distribution and EMI shielding are disclosed. A reflector-type lamp includes a lamp housing having a base portion, a reflector portion, and...
US20130214690 High Efficiency LED Power Supply  
There is an increasing need for simple and low cost power supplies to control loads such as battery chargers and LEDs. It is the object of this invention to provide an alternative method for the...
US20110043126 Stepped intensity electric road flare  
A stepped intensity electric road flare having a housing supporting a circuit. The circuit comprises an led light source, a power controller and a power supply. The power controller energizes the...
US20110187517 Safety Warning Light  
A method of providing a safety warning light for a traveler over a period of months of intermittent travel, that makes use of a battery operated lighting apparatus that provides light when motion...
US20120019501 PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME  
A pixel and display having the pixel are disclosed. The pixel includes transistors along a leakage path from a storage capacitor. The pixel also includes transistors to apply a reference voltage...
US20120093684 UV sterilization system  
Methods and apparatus for providing a UV Sterilization System are disclosed. In one embodiment, the present invention may be used as a fluorescent lamp ballast which is controlled using a...
US20110043129 DIM RANGE ENHANCEMENT FOR LED DRIVER CONECTED TO PHASE-CUT DIMMER  
The present invention relates to a driving circuit (100) connected to a conventional phase-cut dimmer. A LED light source (30) is driven by a switched mode power supply (26), which is powered by...
US20110199015 DIAMOND COMPOSITE AS ILLUMINATION SOURCE  
The present disclosure provides a new diamond composite comprising a diamond material doped with a preselected transition metal or metal compounds as an illumination source with broadband white...
US20110156610 PHASE CONTROL WITH ADAPTIVE PARAMETERS  
A method for determining a limit of a phase control power range includes applying a first gate pulse to a switch at a first firing angle near the limit of the power range, sensing the conductive...
US20140049172 LED Dimming Module  
The present invention proposes an LED dimming module (10) comprising two LED strings (1,2), the first LED string (1) comprising at least one color converted blue or UV LED (1a) and the second LED...
US20140239843 Programmable Touchscreen Dimmer with Interchangeable Electronic Faceplate  
A programmable touchscreen light source dimmer is provided. The present invention comprises a dimmer circuitry housing that fits within a conventional light switch box, a removable faceplate, and...
US20140203725 POWER CIRCUIT OF A VACUUM FLUORESCENT DISPLAY HAVING NEITHER TRANSFORMER NOR ELECTROMAGNETIC INTERFERENCE  
A power circuit of a vacuum fluorescent display having neither transformer nor electromagnetic interference comprises a DC power supplier that provides a high-voltage power supply and a...
US20130119888 POWER INTERFACE FOR A POWER SUPPLY CIRCUIT  
A parallel resonant converter is operated directly from rectified mains. The single-stage power supply copes with present dimmers (such as leading edge dimmers and trailing edge dimmers) and meets...
US20110254463 METHOD FOR OPERATING A LAMP AND ELECTRONIC BALLAST  
A method for operating a lamp may include: Connecting a device to a pair of input connections of an electronic ballast and by this means determining a respective dimming duration for at least one...
US20100327766 WIRELESS EMERGENCY LIGHTING SYSTEM  
In embodiments of the present invention improved capabilities are described for systems and methods that provide for a power outage lighting management within an environment, comprising a power...
US20110279056 LIGHT EMITTING DIODE LIGHTING MODULE FOR SURGICAL OR DENTAL HANDPIECE  
Lighting module (1) with an LED (4) for a handpiece for dental or surgical use, characterized in that said lighting module (1) includes a current source (2) delivering an operating current (I1) to...
US20100225244 LED penlight bulb  
The invention presents a new design of one-cell and two-cell LED penlight bulbs and it's embedded PCB electronic circuit board structure, specially shaped LED encapsulation and a base to make it...
US20150237706 LIGHT FIXTURE CONNECTABLE DEVICE USEFUL FOR ESTABLISHING A NETWORK INFRASTRUCTURE  
Disclosed are devices suitable for connection to a light fixture, that in some embodiments are useful as components of a network and/or position-determining system.
US20100283605 INDUCTION LAMP LIGHT FIXTURE  
A light fixture for an induction-based light source is described. The light fixture comprises a top cover; a lower cover coupled with the top cover; a lens coupled with the lower cover; a...
US20110037401 POWER CONVERSION DRIVING CIRCUIT AND FLUORESCENT LAMP DRIVING CIRCUIT  
A power conversion driving circuit is provided. The power conversion drive circuit includes a converting circuit, a control circuit and a load circuit. The converting circuit is coupled to an...
US20130043788 CONTROLLABLE VERSATILE LED SYSTEM  
The present invention relates to the development of a method and system for manufacturing and deploying light emitting diode (“LED”) technology in a highly efficient manner. Devices of the...
US20150195875 TECHNOLOGY TO DESENSITIZE LED LAMPS AGAINST POWER RIPPLES  
An LED lamp having an operating voltage range within which if the supply voltage is provided within the operating voltage range, the LED lamp produces light in a designed light range, and which...
US20140055056 TECHNOLOGY TO DESENSITIZE LED LAMPS AGAINST POWER RIPPLES  
An LED lamp having an operating voltage range within which if the supply voltage is provided within the operating voltage range, the LED lamp produces light in a designed light range, and which...
US20150167955 APPLIANCE WITH ILLUMINATION SOURCE ACTUATED BY TOUCH SENSITIVE WINDOW FRAME  
An appliance with a treating chamber and an illumination source selectively actuable to illuminate at least a portion of the treating chamber may include a closure element, such as a door, with a...
US20130002165 Drivers for Loads Such as Light Emitting Diodes  
An apparatus is disclosed that includes a first node coupleable to a power supply, a charge storage component coupled between a second node and a third node, and a first leg between the first node...
US20100315017 POWER CONVERTING CIRCUIT AND CONTROLLER THEREOF  
A controller which receives electric power required for operating through a driving voltage terminal and controls a converting circuit to convert an input voltage into an output voltage is...
US20140265914 LIGHT FIXTURE COLOR ROAMING TECHNIQUES  
A method for operating a light fixture in a lighting system includes receiving an instruction. If the instruction includes a broad spectrum signal, the roaming range may be set to a broad...
US20120091911 ARRANGEMENT AND METHOD FOR IMPROVING THE POWER FACTOR OF A LIGHTING  
An arrangement and method for improving the power factor of a lighting includes a compensating device having a first pin electrically connected to a power source and a second pin electrically...
US20120268032 COMBINATION LED DRIVER  
A driver circuit for a Light Emitting Diode (LED) is disclosed. The driver circuit is capable of supporting a constant LED current circuit configuration as well as an external resistor-controlled...
US20150156843 LED CONTROL SYSTEM AND LED LIGHT USING SAME  
An LED control system includes a power module, an LED emitting module, and a process module. The LED emitting module is electrically connected to the power module. The process module is...
US20150216022 THEATRICAL EFFECTS CONTROLLER  
Provided is a system for controlling theatrical effects. The system comprises a console and one or more wireless controller devices. The console transmits wirelessly effects parameters to the...
US20100090612 Portable Lighting Device Having User Selectable Light Control  
A lighting device embodied as a flashlight is provided that includes a handheld housing and a light source provided on the housing for generating a light beam. The light device also includes a...
US20140145645 STEP-DIMMING LED DRIVER AND SYSTEM  
A dimming control circuit for an LED module includes an LED driver configured to provide an output voltage that is used to drive the LED module, a voltage divider coupled to the output voltage,...
US20120098457 POWER INTERFACE WITH LEDS FOR A TRIAC DIMMER  
A power interface is proposed, which keeps an adjustable power supply circuit in a conducting state even if the average current consumption of an attached load is below the adjustable power supply...
US20110254469 DIMMING CIRCUIT AND METHOD FOR LEDS  
A dimming circuit and method for a LED provide a first driving voltage or a second driving voltage according to a dimming signal provided by a functional IC to enable or disable the LED. The...
US20110012535 PORTABLE LIGHTING DEVICES  
A portable lighting device and method of operating the portable lighting device are disclosed. The portable lighting device is configured to operate using a portable source of power having a...
US20110012534 PORTABLE LIGHTING DEVICES  
A portable lighting device and method of operating the portable lighting device are disclosed. The portable lighting device is configured to operate using a portable source of power having a...
US20110273110 Power supply with dimming control for high-power DC LED lamp  
A power supply with dimming control for a high-power DC LED lamp is provided. Particularly, a variable resistor is provided to a circuit of the high-power DC LED lamp for changing a current...
US20130300314 Setting up hybrid coded-light - ZigBee lighting system  
A lighting system (100) comprising a central lighting device (111), at least one satellite lighting device (121, 131), and a controller (141) for adjusting light settings, is provided. The...
US20140252982 LED-Airfield Light  
A method for driving a LED-airfield light by a controller 18, being at least connected two LED-modules 20, 30, wherein the LED-modules 20, 30 each comprise a memory 28, 38, permits to drive the...
US20110204813 FLUORESCENT-BASED ELECTROLUMINESCENT LIGHTING  
An electroluminescent tube compatible with a conventional fluorescent lighting system is generally described in the present disclosure. One example electroluminescent tube may include a rectifying...
US20110254461 Power adaptors  
A power adaptor (20) is provided, comprising an input (22) for connection to an AC power supply, and a resonant circuit (34) coupled to the input (22) that provides an output suitable for driving...
US20150061497 THREE-WAY LAMP WITH PROGRAMMABLE OUTPUT LEVELS  
A lamp including a lamp base having at least three electrical contacts, an optical housing with an LED light source distal from the lamp base, a capper assembly including two or more bias switches...
US20120001566 POWER SUPPLY FOR LIGHT EMITTING DIODE ROADWAY LIGHTING FIXTURE  
A high efficiency light emitting diode power supply for roadway lighting fixtures is provided. The power supply enables conditioning and monitoring of input power and monitors LEDs current to...
US20070194722 Maintenance free emergency lighting  
An emergency lighting device comprises an illumination lamp for illuminating an area and an energy storage unit for providing electrical energy for powering the lamp. According to the invention,...
US20130175944 DETECTION OF THE POSITION OF AN ELV DIMMER FOR CONTROLLING OPERATION OF AN ISOLATED ELECTRICAL LOAD  
A system and process for controlling power delivered to an electrical load, such as lighting system, to controllably effect operation of the load (e.g., intensity of illumination). In at least...
US20140159648 Power Quality Enhancement  
A power quality enhancement circuit is provided with multiple power paths.
US20080284350 BULB TYPE DETECTOR FOR DIMMER CIRCUIT AND INVENTIVE RESISTANCE AND SHORT CIRCUIT DETECTION  
A bulb detection circuit is associated with a dimmer circuit for a lighting system. The bulb detection circuit is operable to detect whether an incandescent or a fluorescent bulb is received in an...
US20150137687 LED POWER SUPPLY DEVICE  
An LED power supply device disclosed in the present specification includes a DC dimmer circuit that performs dimming control of an LED such that the higher a reference voltage variably controlled...
US20100320915 Flourescent lighting system  
Methods and apparatus for providing a Fluorescent Lighting System are disclosed. In one embodiment, the present invention may be used as a fluorescent lamp ballast which is controlled using a...