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US20110248644 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...
US20110254462 CONTROL CIRCUIT AND METHOD FOR LED DRIVERS  
A control circuit and method for a LED driver accurately control the output current of the LED driver by adjusting a reference voltage or a feedback voltage according to the input voltage of the...
US20110057572 Voltage regulating devices in LED lamps with multiple power sources  
LED driver circuits containing voltage reducing devices, voltage regulating devices, and voltage converting devices are disclosed as the main components to provide power to LEDs. The LED driver...
US20120286696 DIMMABLE LED LAMP  
A driver for an LED lamp assembly includes a rectifier configured to receive an AC power and produce a first DC power and a switching regulator coupled to the rectifier. The switching regulator is...
US20110215732 BUILT-IN LAMP WIRELESS DIMMER DEVICE  
The present invention relates to a built-in lamp wireless dimmer device, the wireless dimmer device being built into a light-emitting component, and a remote control and a switching element are...
US20120112665 Controlled Power Dissipation In A Lighting System  
In at least one embodiment, a lighting system includes one, some, or all of a switch path, link path, and flyback path power dissipation circuits to actively and selectively control power...
US20150048756 LAMP UNIT POWER SUPPLY SYSTEM  
A power supply system supplies gas discharge lamp unit (5) arc power and cathode power. The system includes an emergency driver (17) for receiving power from a power supply (15). The driver...
US20110156612 LED DRIVE CIRCUIT, PHASE CONTROL DIMMER, LED ILLUMINATION FIXTURE, LED ILLUMINATION DEVICE, AND LED ILLUMINATION SYSTEM  
An LED drive circuit for driving an LED by input of an alternating voltage, the LED drive circuit being capable of connecting to a phase control dimmer. The LED drive circuit is provided with a...
US20120038289 LED LAMP AND DRIVING CIRCUIT FOR THE SAME  
An LED lamp driving circuit includes: a thermistor having one terminal through which an external voltage is applied; an AC-DC conversion unit connected to the other terminal of the thermistor and...
US20120293091 REMOTE CONFIGURATION OF LIGHTING POWER SUPPLY  
Systems, methods, and computer program products for remote configuration of one or more power supplies, particularly lighting power supplies, are disclosed. A configuration signal that includes a...
US20120086355 CIRCUIT AND METHOD FOR DRIVING A LAMP  
In various embodiments, a circuit for driving a lamp, which is operated via a bridge circuit, is provided. The circuit may include an analog controller configured to drive the bridge circuit in a...
US20140117876 DIMMABLE TORCH  
The disclosure provides a dimmable torch, in order to overcome the insufficiency of the dimming control function of the torch in the prior art. The torch comprises a lamp holder (1), a tube body...
US20130313998 TWO-WIRE DIMMER SWITCH FOR LOW-POWER LOADS  
A two-wire load control device (such as, a dimmer switch) for controlling the amount of power delivered from an AC power source to an electrical load (such as, a high-efficiency lighting load)...
US20080258649 INTERCHANGEABLE LED BULBS  
Disclosed are circuits that allow LED bulbs to be replaced regardless of color or construction of the LED element. When used for an LED light string, replacing an LED bulb does not affect the...
US20090224688 UNIPOLAR (DIS)CHARGING LED DRIVE METHOD AND CIRCUIT THEREOF  
A unipolar (dis)charge LED drive method and circuit thereof which is having a diode connected in series of forward polarity with an LED before being connected in parallel with a unipolar capacitor...
US20150123561 CONTROL OF LIGHTING DEVICES  
Presence adaptive lighting control strategies are known to be very effective in reducing energy consumption in buildings. Ultrasonic array sensors have been proposed for reliable presence sensing....
US20140265916 Controlled Electronic System Power Dissipation via an Auxiliary-Power Dissipation Circuit  
An electronic system and method include a controller to actively control transfer of excess energy to an auxiliary-winding of an auxiliary power dissipation circuit. The excess energy is a...
US20120268033 LED LIGHTING DEVICE AND LIGHTING EQUIPMENT  
An LED lighting device including a DC power source circuit, a high frequency generation circuit which includes an inverter circuit having switching elements and a resonance circuit having a...
US20140265917 FACILITY LIGHTING CONTROL SYSTEM  
A lighting control system for municipalities and recreation departments is disclosed. The lighting system can process payments so that a user can pay for usage of a recreational facility at the...
US20050174066 CONTROL CIRCUIT OF SMALL NIGHT LAMP  
A control circuit of a small night lamp comprises a power circuit having a battery, a solar cell, the battery being installed with a switch for controlling the turning on and off of the power; a...
US20120062141 VARIABLE-IMPEDANCE LOAD FOR LED LAMPS  
In various embodiments, a startup circuit for a low-voltage-lighting electronic transformer includes a low-impedance output circuit. At the beginning of an AC signal cycle, the low-impedance...
US20090167205 LED Drive Circuit And Method For Using Same  
In various embodiments, there is provided an LED drive circuit and a method for using the same. Specifically, the present disclosure is directed to an LED drive circuit for pulse oximeters. In an...
US20130093351 WIRELESS REMOTE-CONTROLLED SEARCHLIGHT WITH DETACHABLE JUNCTION BOX  
A wireless remote-controlled searchlight comprises a detachable junction box capable of being mounted onto or separated from the searchlight based on a user's own attempt, which detachable...
US20110279033 ELECTRONIC LAMP CONVERTER  
An electronic lamp converter allows a lamp socket of a different specification to be converted into a lamp socket which can be connected to an LED lamp. Through an electronic converter, electronic...
US20110101776 LAMP CIRCUIT  
A lamp circuit is disclosed, comprising a direct current (DC) power supplier adapted to provide a supply voltage, a driving unit coupled to the DC power supplier so as to receive the supply...
US20140253846 LIQUID CRYSTAL DISPLAY, LED BACKLIGHT SOURCE, AND THE DRIVING METHOD THEREOF  
A liquid crystal display, a LED backlight source and the driving method thereof are disclosed. The LED backlight source includes a DC voltage input for inputting DC voltage, a boost circuit for...
US20120326625 Electrical Switch, As For Controlling a Flashlight  
An electrical switch and a flashlight employing the switch may comprise a base having three electrical conductors thereon and an electrically conductive flexible dome adjacent the base. The...
US20090224689 BIPOLAR (DIS)CHARGING LED DRIVE METHOD AND CIRCUIT THEREOF  
A bipolar (dis)charge LED drive method and circuit thereof which is having a diode connected in series of forward polarity with an light emitting diode before being connected in parallel with a...
US20130088474 LIGHT-EMITTING COMPONENT DRIVING CIRCUIT AND RELATED PIXEL CIRCUIT AND APPLICATIONS USING THE SAME  
A pixel circuit related to an organic light emitting diode (OLED) is provided, and if a circuit configuration (5T1C) thereof collocates with suitable operation waveforms, a current flowing through...
US20110291585 STEPPED DIMMING DEVICE FOR LED LAMP  
The present invention relates to a novel dimming device for a LED lamp capable of effecting a stepped dimming of the LED lamp by detecting a momentary variation in on/off states of the power...
US20120326623 SOCKET ADAPTOR HAVING AC-DC CONVERTOR FOR LED LAMP  
A socket adaptor for an LED lamp includes an adaptor body and an AC-DC converter disposed in the adaptor body. The adaptor body includes a holder for receiving an LED lamp, the holder being...
US20140103802 Driver circuit of light sources  
The invention relates to a driver circuit for light sources, in particular LEDs, comprising a selection circuit, comprising at least one selection circuit element defined by an electric quantity...
US20110121751 LED POWER-SUPPLY DETECTION AND CONTROL  
A circuit detects the type of a power supply driving an LED by analyzing a signal received from the power supply. The circuit controls a behavior of the LED, such as its reaction to a dimmer or to...
US20140001959 MASTER/SLAVE ARRANGEMENT FOR LIGHTING FIXTURE MODULES  
The present disclosure relates to a lighting fixture that includes a driver module and at least one other module that provides a lighting fixture function, such as a sensor function, lighting...
US20110089860 FLAT DISPLAY, BACKLIGHT MODULE AND DRIVING METHOD THEREOF  
A flat display used for displaying a 2D image and a 3D image is provided. The flat display includes a panel and a backlight module. The backlight module provides a light to the panel. When the...
US20120032609 DEVICE FOR REGULATING THE LUMINOUS INTENSITY IN FLUORESCENT LAMPS WITH AN ELECTROMAGNETIC REACTANCE AND A STARTER, AND LIGHTING SYSTEM WHICH COMPRISES SAID DEVICE  
The present invention relates to a device for regulating light intensity in fluorescent lamps with an electromagnetic ballast and starter and a lighting system comprising said device, comprising...
US20140217922 DIMMABLE LED LAMP  
A dimmable LED lamp, which receives power from a DC power source to emit light, includes a main body, a DC/DC converter, and a LED module; wherein the main body is hollow, and includes a...
US20100039240 Method for Wiring Devices in a Structure Using a Wireless Network  
The present invention provides a method for controlling lighting fixtures over a wireless network that includes connecting a junction box to a power source, connecting a lighting fixture to the...
US20140167622 AUTO COMMISSIONING LIGHTING FIXTURE  
The present disclosure relates to lighting fixtures for use in a lighting network where the lighting fixtures and other elements are able to communicate with each other via wired or wireless...
US20150002028 TWO-LEVEL LED SECURITY LIGHT WITH MOTION SENSOR  
A two-level LED security light includes a power supply unit, a motion sensing unit, a time setting unit, a loading and power control unit, an external control unit, and a lighting-emitting unit....
US20080258647 Dimming Circuit for Led Lighting Device With Means for Holding Triac in Conduction  
The invention disclosed herein is a dynamic dummy load to allow a phase control dimmer to be used with LED lighting. The invention includes providing a dynamic dummy load to provide a load to the...
US20120274233 CONSTANT CURRENT LED DRIVER  
A constant current LED driver comprising an LED driver to supply constant current to an LED circuit provided with a protection element, an open loop sensor to sense the open loop of the LED...
US20110140608 MONITORING VOLTAGE TO TRACK TEMPERATURE IN SOLID STATE LIGHT MODULES  
An illumination system has a lighting module, a microcontroller electrically connected to the lighting module and arranged to control the lighting module, and a transistor electrically connected...
US20150189709 STABILITY OF AN OPTICAL SOURCE IN AN OPTICAL NETWORK TEST INSTRUMENT  
A self-contained calibration method for improving stability of an optical source in an optical network test instrument includes performing a temperature sweep test of the optical source. Optical...
US20120146539 JITTER DETECTION AND COMPENSATION CIRCUIT FOR LED LAMPS  
A power signal driving an LED is measured to determine a characteristic (e.g., a power level) of the power signal. The characteristic is compared to the power signal's history and any deviation is...
US20120206062 TIME-DOMAIN REDUCTION OF FLICKER AND POWER CONSUMPTION IN LED LIGHTING  
In accordance with certain embodiments, a power signal for driving an LED lighting system is analyzed on a timeslice basis, and the signal is adjusted (e.g., on a timeslice basis) to compensate...
US20120212140 APPARATUS AND METHOD FOR CONTROLLING LIGHTING BASED ON DALI COMMUNICATION  
A lighting controlling apparatus including: a management server generating control information based on information received from a user; a digital addressable lighting interface (DALI) master...
US20090121651 Color-Changing Light Array Device  
A color-changing light array powered by a driver circuit, the driver circuit responsive to a controller circuit, and the controller circuit configured to change display lighting patterns or colors...
US20120206053 LED DEVICE WITH VOLTAGE-LIMITING UNIT AND VOLTAGE-EQUALIZING RESISTANCE  
The present invention provides a LED device with voltage-limiting unit and voltage-equalizing resistance in which a light-emitting unit is structured through a LED being connected in parallel with...
US20080272712 Variable Color Light Emitting Device and Method for Controlling the Same  
The present invention relates to a variable color light emitting device (10) comprising a light emitting diode (12) for emitting light, which diode in turn comprises a plurality of electrically...