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US20110175542 Dual Control Luminaire  
Disclosed is a luminaire including a luminaire housing, a lamp or ballast disposed at least partially within the luminaire housing, a first control input disposed at least partially internal to or...
US20110074295 DISCHARGE LAMP LIGHTING DEVICE, VEHICLE-MOUNTED HIGH-INTENSITY DISCHARGE LAMP LIGHTING DEVICE, AND VEHICLE  
A discharge lamp lighting device is realized, which enables scale and cost reductions thereof, and is capable of reducing a flash at a starting time of the discharge lamp, suppressing a feeling of...
US20110316441 Bidirectional phase cut modulation over AC power conductors  
A system includes a controller and line units. The controller receives AC power from a power source and supplies an AC power signal via two conductors to the units. In one example, the controller...
US20150035450 SOLID STATE LIGHTING CONTROL  
This invention generally relates to solid state lighting control, and more particularly to a dimmer interface circuit and a method for reducing ringing on a drive signal to a solid state lighting...
US20150061535 Lighting Device  
According to one embodiment, there is provided a lighting device which includes a substrate; a light emitting element which is provided on the substrate; and a resistive element which is provided...
US20100007286 POWER SUPPLY SYSTEM AND METHOD  
A power supply system and a method for providing power supply to electrical equipment from conventional lighting circuits in buildings are disclosed. The invention is intended to provide power...
US20080185981 Ignitor Disconnection Control System and Method  
An ignitor disconnection control system and method includes an ignitor having a semi-conductor switch (58) and capacitor (60) connected in series to form a junction (70) between the semi-conductor...
US20100176741 LIGHT WITH REMOVABLE HEAD AND COVER  
A light may comprise a light body having an opening for receiving an electrical power source, and a head including a light source and having an end for engaging the light body. A head for a light...
US20140001977 Load Control System Having Independently-Controlled Units Responsive To A Broadcast Controller  
A load control system for controlling the amount of power delivered from an AC power source to a plurality of electrical load includes a plurality of independent units responsive to a broadcast...
US20150116009 GATE DRIVER, DRIVING METHOD THEREOF, AND CONTROL CIRCUIT OF FLAT PANEL DISPLAY DEVICE  
The present invention discloses a gate driver which employs gate pulse modulation technology for improving an image quality, a driving method thereof, and a control circuit of a flat panel display...
US20140265913 ELECTRICAL LOAD DRIVING APPARATUS  
An electrical load driving apparatus comprising a thyristor circuit arranged to control a transmission of electric power to an electrical load, wherein the thyristor circuit is connected to a...
US20110109245 CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES  
In one embodiment, a driving circuit includes an AC/DC converter which converts an AC voltage to a DC voltage and a DC/DC linear regulator which regulates a current through, e.g., an LED light...
US20100102745 190W POWER LIMITER CIRCUIT FOR LIGHTING EQUIPMENT  
A 190 W power limiter circuit for lighting equipment includes a DC power supply unit employed to transform an AC power source into a low DC output voltage, a DC voltage regulator used to regulate...
US20090309512 Switchegear, system for controlling a lamp, and light control system for a building comprising at least one light  
The invention introduces the concept of priorities into DALI technology. A switchgear (18) used to this end comprises two inputs (28, 22) to which a DALI bus (40, 38) can respectively be...
US20110163686 LIGHTING DEVICE  
A lighting device comprising a hermetically sealed vessel having a light transmissive property, a gas filled in the hermetically sealed vessel and configured to emit a first light having...
US20100109554 ILLUMINATION DEVICE HAVING INRUSH CURRENT LIMITING CIRCUIT  
An illumination device includes an integrated electronic ballast and a luminaire connecting terminal, that has a terminal housing, wherein there is integrated in the terminal housing an inrush...
US20120274231 Colloidal Silicon Quantum Dot Visible Spectrum Light-Emitting Diode  
A method is provided for fabricating a colloidal silicon quantum dot (SiQD) visible spectrum light-emitting diode (LED). The method begins with a transparent first electrode, and a hole-injection...
US20080074057 Halogen Lamps  
The invention relates to lamps, and particularly to incandescent electric lamps. incandescent electric lamps operating at mains voltage are known for decades and are widespread throughout the...
US20120074865 LIGHT EMITTING DIODE DRIVING DEVICE  
A light emitting diode (LED) driving device is used to drive an LED module. A conductive current flows through the LED module when the LED module is driven. The LED driving device includes a...
US20100097004 System And Apparatus For Cathodoluminescent Lighting  
Electron sources for a cathodoluminescent lighting system are disclosed. An electron source is a broad-beam reflecting-type electron gun having a cathode for emitting electrons and a reflector...
US20140225509 MOTION SENSING DOCK LIGHTING SYSTEMS  
Motion sensing dock lighting systems are disclosed. An example lighting system for use at a loading dock where a material handling device is used to load or unload a vehicle parked at the loading...
US20090261750 Encoding device for light-emitting-diode lamp, lamp, and controlled lighting system  
A controlled lighting system includes an encoding device and a lamp. The encoding device includes a rectifier for rectifying an AC voltage input to result in a rectified signal, and an encoder for...
US20150123554 MODULAR CONSTANT CURRENT REGULATOR  
Constant current regulator (10) for supplying a series circuit (9) of a lighting installation with an output electrical power corresponding to a predetermined output power, comprising a plurality...
US20140252958 WIRELESS CONTROLLED LIGHT SOURCES  
A network comprises a plurality of modules, wherein each module comprises a communications circuit with an antenna for sending information signals to and receiving control signals from a remote...
US20080218996 Hand-Worn Signaling Device  
An improved hand-worn signaling device is disclosed that comprises at least one light-emitting assembly on the palmar side of the hand and at least one light-emitting assembly on the dorsal side...
US20090066262 Light- Emitting Diode Lighting Apparatus and Vehicle Light Lighting Apparatus Using the Same  
A single DC/DC converter section 2 has two circuits connected in parallel: a flyback type boosting circuit 2A and a boosting circuit 2B. The former includes a transformer 2a and a switching device...
US20100001652 CONTROL DEVICE, SYSTEM AND METHOD FOR PUBLIC ILLUMINATION  
A control unit for an illumination system, the system itself and the involved method to operate the system is presented. The control unit is operatively connected a light source illuminating...
US20070222399 Energy saving extra-low voltage dimmer lighting system  
A system of extra-low voltage outdoor lighting is disclosed in which any number of light fixtures each have an individual control module, internal to the fixture or external to the fixture. The...
US20090015176 Laser assisted fluorescent lamp  
In this invention a fluorescent lamp is described containing semiconductor laser diodes used to ionize the gases inside the lamp. This avoids the need for a high voltage to cause the gases to...
US20110169418 LED DRIVE CIRCUIT WITH A PROGRAMMABLE INPUT FOR LED LIGHTING  
A LED drive circuit according to the present invention comprises a controller and a programmable signal. The controller generates a switching signal coupled to switch a magnetic device for...
US20140184093 SINGLE STAGE FORWARD-FLYBACK CONVERTER AND POWER SUPPLY APPARATUS FOR LIGHT EMITTING DIODE  
There is provided a single stage forward-flyback converter including a power converting unit switching input power to perform a forward power conversion operation while being switched on and...
US20110062884 REFERENCE SIGNAL GENERATOR AND PWM CONTROL CIRCUIT FOR LCD BACKLIGHT  
There are provided a reference signal generator and a PWM control circuit for LCD backlight. The reference signal generator and the PWM control circuit for LCD backlight may be configured to...
US20110133671 TRACK LIGHTING SYSTEM CURRENT LIMITING DEVICE  
A current limiting system in accordance with the present invention comprises an accessory or canopy mount device that is permanently installed between a source of electrical power 1 and a track...
US20110101870 ELECTROLUMINESCENT AREA ILLUMINATION WITH INTEGRATED MECHANICAL SWITCH  
An electroluminescent lam including a lamp substrate; a first electrode formed over the lamp substrate device side, one or more layers having light-emitting material formed over the first...
US20130033194 APPARATUS AND METHOD FOR CONTROLLING LED DRIVING CIRCUIT AND APPARATUS AND METHOD FOR DRIVING LED  
An apparatus for driving a light-emitting diode (LED) is provided. The apparatus includes an LED, a voltage sensing unit which senses a voltage applied to the LED, a current sensing unit which...
US20100079082 Light-Emitting Element Driving Control Circuit  
A light-emitting-element-driving-control circuit comprising: a control circuit to turn on or off a transistor based on an input-control signal, the transistor being connected in series with a...
US20080315789 Light emitting diode driving circuit and light emitting diode array device  
There is provided an LED driving circuit including: at least one ladder network circuit including: (n+1) number of first branches connected in parallel with one another by n number of first middle...
US20100109559 METHOD AND CIRCUIT OF CONTROLLING AN LED CHARGE PUMP DRIVING CIRCUIT  
An LED charge pump driving circuit includes a charge pump, a control circuit, a driver, and an LED. The charge pump generates an output voltage according to an input voltage. The driver drives the...
US20100237797 HIGH-INTENSITY DISCHARGE LAMP AND LIGHTING DEVICE  
A high-intensity discharge lamp including an arc tube provided with a heat-resistant translucent discharge vessel forming a discharge space, an electrode structure, a discharge medium charged in...
US20090058318 Driving Device for Providing Light Dimming Control of Light-Emitting Element  
A driving device includes a first switch element to switch between applying or not applying to a light-emitting element a voltage directed to setting the light-emitting element in an ON state, and...
US20110121750 Self-oscillating half-bridge drive device and light-emitting device  
Various embodiments relate to a self-oscillating half-bridge drive device, which may include a half-bridge inverter circuit having a first primary switch and a second primary switch; and a...
US20100013404 OPTICAL ELEMENT DRIVING CIRCUIT  
An optical element driving circuit flexibly configures energy sources to cause illumination with an optical output element, such as a flash lamp. The energy sources include an illumination...
US20110089857 PROGRAMMABLE USER INTERFACE DEVICE FOR CONTROLLING AN ELECTRICAL POWER SUPPLIED TO AN ELECTRICAL CONSUMER  
The invention relates to a user interface device and a method for controlling an electrical consumer (130). To provide a cost effective user interface device with an improved usability for an...
US20120081029 Average Output Current Estimation Using Primary-Side Sensing  
In one embodiment, an apparatus includes a transformer comprising a primary side and a secondary side. A switch is coupled to the primary side. A control signal circuit is configured to: sample a...
US20060087260 Integrated circuit configuration for triggering power semiconductor switches  
Presented is an integrated circuit configuration for triggering single power semiconductor switches, or power semiconductor switches in half-bridge configuration. The circuit configuration...
US20090108768 BACKLIGHT CONTROL DEVICE AND METHOD FOR CONTROLLING A DRIVING CURRENT OF AN LED  
A backlight control device for controlling a driving current of an LED is disclosed. By controlling current outputs from current sources of a plurality of current output units, a display will be...
US20100283402 BACKLIGHT MODULE FOR LCD DEVICE  
A backlight module includes a connector capable of performing voltage conversion or a voltage converter capable of transmitting signals. The connector or the voltage converter, disposed between an...
US20090096385 LIGHT SOURCE APPARATUS, PROJECTOR, AND LIGHT SOURCE APPARATUS DRIVE METHOD  
A light source apparatus includes an arc tube having a first electrode and a second electrode that carry out an emission of light due to a discharge between them, and a drive that, when supplying...
US20100001657 System and Method for Driving LED with High Efficiency in Power Consumption  
A system and method for driving a LED is disclosed. The system is switched in turn between a constant-current mode circuit and a constant-voltage mode circuit. Accordingly, the forward voltage of...
US20080203943 Lighting Device  
In a lighting device equipped with three light sources supplying red, green and blue light respectively, the color and/or intensity of the light generated by the three light sources together can...