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US20090085494 IMPROVEMENT TO LIGHTING SYSTEMS  
The present invention relates to power adaptors for solid state lighting units and fixtures, of a kind including light emitting diodes, one of the adaptors comprising an input for receiving a...
US20120229047 BACKLIGHT MODULE, OVER-TEMPERATURE PROTECTION CIRCUIT AND OVER-TEMPERATURE PROTECTION METHOD THEREOF  
An over-temperature protection circuit is adapted to a light source driver coupled to a light-emitting device. The light source driver has a current setting terminal receiving a set current to...
US20100033095 Solid State Semiconductor LED Replacement for Fluorescent Lamps  
Various apparatuses and methods for replacing a fluorescent lamp with a non-fluorescent tube are disclosed herein. For example, some embodiments provide an apparatus for replacing a fluorescent...
US20090108767 Dc/dc Converter Device and Discharge Lamp Lighting Device  
A DC/DC converter device according to the present invention includes a plurality of resonant DC/DC converters 3, connected in parallel, and a timing control circuit 5 driving the plurality of...
US20120306404 LED DRIVER CIRCUIT  
An LED driver circuit, including: an LED load, having a top end, a middle end, and a bottom end, wherein the top end is coupled to a line voltage; and a variable load device, having a first input...
US20120212153 DIAMONDOID MONOLAYERS AS ELECTRON EMITTERS  
Provided are electron emitters based upon diamondoid monolayers, preferably self-assembled higher diamondoid monolayers. High intensity electron emission has been demonstrated employing such...
US20130069549 LED Light For Examinations And Procedures  
A light is provided having a base unit, an arm extending from the base unit, and a lamp head coupled to the arm. The lamp head includes an LED configured to provide light based on an input drive...
US20120062142 Method of Stabilizing Work Consumption of Passive Element  
While an electronic product including passive elements is connected to an AC input voltage source, corresponding decreased currents are calculated according to a constant input/output work and a...
US20110187281 METHOD FOR OPERATING AC LIGHT-EMITTING DIODE  
A method for operating an AC LED is disclosed. The method operates with an assumption that a linear relationship exists between the voltage and current of the AC LED operating at an active region....
US20110080109 HIGH EFFICIENCY LED DRIVER WITH CURRENT SOURCE REGULATIONS  
The present invention provides a control circuit for LED driver. A voltage-feedback circuit is coupled to LEDs to sense a voltage-feedback signal for generating a voltage loop signal. Current...
US20080192508 Method of Lighting a Cabinet or Display Case and Lighting Assembly Therefore  
A fluorescent lighting assembly for a cabinet or display case may be retrofitted to provide non-fluorescent lighting of the cabinet or display case by providing an existing fluorescent lighting...
US20130134898 Light Emitting Diode Producing Any Desired Color  
A light emitting diode (LED), wherein the LED comprises a plurality of active regions, each of the plurality of active regions of the LED configured to produce a distinct emission falling within a...
US20100052562 Remote-Control Brightness Adjusting Device  
A remote-control brightness adjusting device comprises an emitter and a receiver. The emitter is provided with a switch circuit including a brightness switch and an on-off switch, and a signal...
US20100053982 Handle  
A handle has a grip part rotatably journaled between two end positions and is provided with a sensor which detects one of the end positions.
US20130239475 MARINE LED LIGHTING SYSTEM AND METHOD  
A method and apparatus of lighting a marine habitat for growth utilizing an LED light system. The light system includes an LED light source, a power supply for such light source and a controller...
US20100148684 SUPPLY DEVICE OF CIRCUIT BRANCHES WITH LED DIODES  
A device includes at least two circuit branches, each of said at least two circuit branches comprising at least one LED diode. The device comprises a supply circuit that provides an electric...
US20060186830 Automatic voltage selection for series driven LEDs  
An apparatus and method for automatically controlling voltages used to drive LED loads. A battery voltage can be boosted to a selected drive voltage level connected to current sources for driving...
US20110241548 ILLUMINATION SYSTEM ADAPTABLE TO A COOLING APPLIANCE  
The present invention is directed to an illumination system adaptable to a cooling appliance. The illumination system includes a lighting module, a mode switch and a controller. Specifically, the...
US20100181925 Ballast/Line Detection Circuit for Fluorescent Replacement Lamps  
Disclosed herein is a replacement light for a fluorescent tube usable in a fluorescent fixture connected to a power source and containing at least one LED, the improvement including a detection...
US20110304277 DRIVING CIRCUIT AND ILLUMINATION APPARATUS USING THE SAME  
An illumination apparatus including an LED comprises a battery holder, an AC/DC adapter interface, an LED unit, and a switch unit. The battery holder is configured to receive a battery. The AC/DC...
US20140139134 REFERENCE VOLTAGE REGULATING METHOD AND CIRCUIT FOR CONSTANT CURRENT DRIVER  
The present invention relates to reference voltage regulating methods and circuits for a constant current driver. In one embodiment, a method can include: setting a reference voltage circuit...
US20150216020 LED LAMP  
An LED lamp includes LED chips, a translucent cover housing the LED chips, a motion sensor unit, a condensing lens, and a power unit. The motion sensor unit includes a light receiving element for...
US20120187864 LIGHTING DEVICE AND LUMINAIRE  
According to one embodiment, a lighting device includes a lighting circuit. The lighting circuit includes a direct-current power supply and a DC-DC converter, and lights an illumination lamp by...
US20090218956 ILLUMINATION CONTROL ASSEMBLY FOR IMPROVING DECAYING OF WHITE LIGHT EMITTING DIODE  
An illumination control assembly for decaying of a white light emitting diode comprising a light source controller for controlling the illumination of the white light emitting diode; a driving...
US20110187280 PRIMARY DRIVE SYNCHRONOUS HIGH-SPEED SWITCHING RECTIFYING CIRCUIT FOR LLC HALF-BRIDGE POWER CONVERTER FOR DRIVING LED  
Disclosed herein is a secondary rectifier for an LLC half-bridge power converter for driving an LED, which provides a power converter with efficiency and stability higher than a conventional power...
US20100013405 VARIABLE LOAD CIRCUITS FOR USE WITH LIGHTING CONTROL DEVICES  
A variable load circuit (2) is provided for use with a dimmer (1). A low wattage load such as a LED (3) is provided in series with the dimmer and the variable load circuit is provided in parallel...
US20100060194 EXTERNAL MICROCONTROLLER FOR LED LIGHTING FIXTURE, LED LIGHTING FIXTURE WITH INTERNAL CONTROLLER, AND LED LIGHTING SYSTEM  
An LED lighting system (10) includes an LED lighting fixture (12) having at least one LED (14) and an external microcontroller (22, 28) for converting incoming lighting control data formatted...
US20110063584 High pressure discharge lamp lighting apparatus and projector  
A discharge lamp lighting apparatus comprises a discharge lamp and a power supply the discharge lamp can be switched between a steady power lighting mode, which drives the discharge lamp by an...
US20080024074 LOAD CONTROL DEVICE FOR USE WITH LIGHTING CIRCUITS HAVING THREE-WAY SWITCHES  
A smart dimmer for control of a lighting load from an AC power source can replace any switch in a three-way or four-way lighting control system. The smart dimmer can be connected on the line-side...
US20100096993 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...
US20120235594 DRIVER FOR A SOLID STATE LAMP  
A driver (32) for a solid state lamp (31) receives phase-cut AV supply voltage (PCACV). The lamp is operated at a dimmed light output (LA) on the basis of the phase angle (φ) of the phase-cut AV...
US20140097767 REMOTELY CONTROLLED SMART LIGHTING SYSTEM  
The disclosure provides a smart lighting system. The smart lighting system includes a lighting apparatus, a controller, and a remote control. The lighting apparatus is coupled to the controller...
US20140001971 DIM MODE START FOR ELECTRODELESS LAMP BALLAST  
A ballast for energizing a lamp at a lighting level selected from a plurality of lamp lighting levels. The ballast includes a buck converter circuit configured to receive a DC voltage signal...
US20090310461 LIGHT SOURCE DRIVE, OPTICAL PICKUP UNIT WHEREIN THE LIGHT SOURCE DRIVE IS INSTALLED, OPTICAL DISC DRIVE WHEREIN THE OPTICAL PICKUP UNIT IS INSTALLED, AND INFORMATION TERMINAL WHEREIN THE OPTICAL DISC DRIVE IS INSTALLED  
In a voltage conversion section 154 for converting a supply voltage from a battery 206 for driving a light source 71 into a supply voltage to an LD drive section 116, the supply voltage to the LD...
US20100006745 Light Grid With Parallel Evaluation  
A light grid includes pairs of transmitters and receiver units, and a programmable logic unit for signal evaluation. The analog part of the light grid includes only the reception elements and the...
US20090256488 High intensity discharge strobe light  
A high intensity discharge (HID) lamp is operable as a stroboscopic light source by reducing power and maintaining constant polarity at the lamp for a period of dimmed operation and exciting the...
US20150237695 Powerless Bleeder  
A power efficient method and system for ensuring a reliable operation of dimmers in conjunction with solid state lighting devices such as LED or OLED assemblies is presented. A controller for a...
US20100026203 LED DRIVER WITH FRAME-BASED DYNAMIC POWER MANAGEMENT  
Disclosed are example techniques for frame-based power management in a light emitting diode (LED) system having a plurality of LED strings. A voltage source provides an output voltage to drive the...
US20100007277 Power supply system and method for automotive led lighting systems  
An automotive lighting assembly receiving light from a power source and for producing light. The automotive lighting assembly includes a first lighting circuit which is operatively connected to...
US20090051299 LINEAR REACTOR BALLAST FOR SPORTS LIGHTING FIXTURES  
A means and method for increasing use of a light from a high intensity lighting fixture to a target area without an increase in energy use. One aspect increases the electrical efficiency of...
US20080258636 LED DRIVER WITH CURRENT SINK CONTROL AND APPLICATIONS OF THE SAME G  
A backlight system for use in an LCD display with a driver providing current sink control includes an LED array module, a current feedback circuit, and a current compensation circuit. The LED...
US20120032614 NOVEL LED DRIVER CIRCUIT  
A novel LED driver circuit, including: a current regulation circuit, having a first end and a second end, wherein a first current is flowing into the second end, and a voltage difference between...
US20120112664 Lamp Circuit of Light Emitting Device  
The invention provides a lamp circuit of a light emitting device, which comprises a capacitor, a rectification unit, a current limiting unit, and a light emitting device. The capacitor is...
US20100019889 DEVICE THAT ENABLES PLC BASED SMART DIMMERS TO FUNCTION WITH NO NEW WIRES  
A device that enables “smart” dimmers comprising electronic circuits beyond those found in traditional rotary dimmers to be installed in existing houses with no need for any new electrical wires....
US20100117541 Lighting Device  
A lighting device having a built-in driver circuitry is provided. The object of the present invention is to provide a lighting device having a built-in driver circuitry for driving the lighting in...
US20080143272 LIGHT WITH DIMMER  
A light or light kit (10) is disclosed which includes a switch housing (11, a plurality of light sockets (12), and a pull chain type switch (13) which includes a pull chain or cord (13′). A light...
US20090009106 Circuit for driving light sources using balanced feedback signal  
An exemplary circuit (200) for driving light sources (211, 212, 213, 214) includes feedback circuits (218, 228, 238, 248), a signal balance circuit, and a controller (250). Each feedback circuit...
US20110037391 Power Supply Control Device for Lamp  
A power supply control device for lamp includes a control unit, the control unit receives a forward voltage signal and a reverse voltage signal simultaneously from a zero-crossover sampling...
US20090218958 DISPLAY PANEL DRIVE APPARATUS  
A display panel drive apparatus which can keep display brightness constant, thus preventing the occurrence of unevenness in brightness. The drive apparatus includes a current controlling voltage...
US20110050117 Integrated circuit module having a display device  
An IC module having a display device includes an IC module, a power supply device and at least a display panel. The IC module has a substrate, at least an IC chip and a package. The power supply...