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US20110012529 LIGHTING APPARATUS  
Lighting apparatuses that include a reflector attached to an adjustable support, a reflective surface on the reflector that defines an interior space and a focal point within the interior space, a...
US20110006684 LIGHTING DEVICES  
Lighting devices for a vehicle are disclosed that can include a light emitting diode and control circuitry for the light emitting diode. Also disclosed are circuits for a light emitting diode....
US20120062536 ORGANIC LIGHT EMITTING DISPLAY WITH PIXEL AND METHOD OF DRIVING THE SAME  
A pixel capable of displaying an image with uniform brightness. The pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current that flows from a...
US20090067159 SAFETY HARNESS  
A novel safety harness is disclosed. The safety harness has straps for securing upon a subject. Arranged around the straps are several light emitting diodes (LEDs). The LEDs are driven by pulses...
US20080106218 Intensity changing with reduced flicker for digitally-controlled lighting  
Changing light source intensity is disclosed. A command intensity is received for a light source, wherein the light source has a current intensity, and wherein a starting intensity is equal to the...
US20110199016 DYNAMIC APPLICATION OF CUT-OUT PULSES IN ALTERNATING CURRENT POWER  
A controller device and corresponding method for modifying an AC input power to provide a reduced power AC output power to a load when coupled to the controller device. The AC output power has a...
US20140312804 OPERATION OF A LAMP WITH AN AUTONOMOUS ENERGY STORE  
An operating device (1) for operating an illuminant (2) is proposed, having: an energy storage unit (3) for storing electrical energy, a charging circuit (4), requiring the supply of a mains...
US20050104534 Operating circuit and operating method for a gas discharge lamp  
In an operating circuit for a gas discharge lamp 1, in particular in the aeronautical field, an inductance L1 is connected upstream of the gas discharge lamp 1 and a switch V3 periodically...
US20090289574 Single-stage electronic ballast for a fluorescent lamp  
The invention provides a single-stage electronic ballast for a fluorescent lamp, comprising a boost circuit and a load unit. The boost circuit includes a first inductor, a first capacitor, a first...
US20150173144 SWITCHING POWER SUPPLY CONTROLLER  
In an example embodiment, a controller generates a switch signal for controlling a switch to convert an input signal from a phase cut dimmer into a driving signal for a solid state lighting...
US20120104964 LED DRIVER WITH PWM DIMMING AND METHOD THEREOF  
The present technology is generally related to LED drivers with PWM dimming. In one embodiment, a dimming signal is generated based on a pulsed input signal. The pulsed input signal is converted...
US20080258631 Light-adjusting and current-limiting control circuit  
A light-adjusting and current-limiting control circuit for a lamp includes a sampling circuit formed of a manganese-copper line or a current transformer, a power circuit provided with resistors,...
US20080088257 Backlight control circuit with input circuit including diode and capacitor  
An exemplary backlight control circuit (200) includes a DC power supply (VDD), a load circuit (210), an input circuit (230), and a PWM IC (250). The load circuit includes two light sources (2113,...
US20080129219 Power Supply  
A power supply (1) for powering a load, the load being in the form of a flash driver circuit (4) for a digital camera (not shown). The power supply includes a supercapacitive device, in the form...
US20100277093 CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING DISCHARGE LAMPS  
A circuit arrangement for operating discharge lamps is provided with an input, to which an AC system voltage from a power supply system can be connected, an output, to which at least one discharge...
US20060097660 Apparatus, system, and method for controlling remote lighting devices  
An apparatus, system, and method for controlling remote lighting devices via radio frequency. The lighting device includes a housing, a power source, a light source, a signal receiver and a signal...
US20110080110 LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE  
A light-emitting diode (LED) driver is adapted to control either the magnitude of the current conducted through a LED light source or the magnitude of a voltage generated across the LED light...
US20120169246 ILLUMINATION DEVICE  
An illumination device (1) comprises: at least one low-power light source (50); a power input stage (20) suitable for receiving AC low voltage from an electronic transformer (ET); a power buffer...
US20130057168 Lighting Systems  
A power adaptor for a solid state light source is disclosed. The power adaptor comprises an input (10) for connection to a mains power supply, a drive circuit (60) for providing an output suitable...
US20110148318 PHASE CONTROLLED DIMMING LED DRIVER SYSTEM AND METHOD THEREOF  
The present invention relates to providing an improved dimming driver circuitry, system and a method thereof. The dimming driver circuitry is configured to enable dimming intensity of light...
US20140285114 LED LIGHTING DEVICE, SYSTEM, AND METHOD WITH AIR QUALITY DETECTION  
LED lighting devices/systems having air quality detection functions and methods for detecting air quality using the LED lighting devices/systems are provided. Exemplary LED lighting device...
US20120032092 Plasma Igniter for an Inductively Coupled Plasma Ion Source  
A focused ion beam (FIB) system is disclosed, comprising an inductively coupled plasma ion source, an insulating plasma chamber containing the plasma, a conducting source biasing electrode in...
US20090189537 CONNECTOR AND A DISPLAY APPARATUS HAVING THE SAME  
A display apparatus including: a backlight unit generating a light; a display panel receiving the light to display an image; a backlight driving circuit receiving a driving power and a control...
US20100079080 Gamma Generator System and Method Adaptable for Backlight Control  
A gamma reference voltage generating system and method adaptable for backlight control is disclosed. A gamma reference voltage generator adaptively generates an analog gamma reference voltage...
US20050122062 Light emitting diode driving circuit  
A light emitting diode (LED) driving circuit includes a power supply, a rectification circuit, an LED array and a current control circuit. The invention is characterized that, when the power...
US20100171438 ELECTRONIC BALLAST HAVING CURRENT WAVEFORM CONTROL WITHIN THE HALF WAVE  
Aspects of the invention include an electronic ballast and method for controlling current through a lamp to produce various current waveforms through the lamp. In one embodiment, the ballast...
US20080309251 DEVICE WITH IMPROVED DISPLAY ILLUMINATION AND METHOD THEREFORE  
A device having a display, an illuminator configured to illuminate the display and a multi-way input key configured to control the illuminator upon activation. The illuminator also has a power...
US20110193491 Integrated Electronic Device for Controlling Light Emitting Diodes  
A compact driver device for driving an LED lighting device is provided. The driver device includes a substrate, power capacitor that provides LED driving current to drive the LED lighting device,...
US20130113390 DC-DC CONVERTER AND LIGHT EMITTING DIODE DRIVING DEVICE INCLUDING THE SAME  
A direct current to direct current converter includes: an input terminal; an output terminal having voltage higher than the input terminal; a coupled inductor boost cell including a coupled...
US20090109353 Lighting Device with Indicator  
A lighting device includes a light-emitting element, an ultrasonic member, a signal processing unit, a light control unit, an indicator and an indicator control unit. The light-emitting element...
US20140285101 Lighting Power Source and Lighting Device  
According to one embodiment, a lighting light source including a current control element and a voltage-dividing resistor is provided. The current control element has a first main electrode, a...
US20120169248 SMART DIMMABLE POWER SUPPLY APPARATUS FOR ENERGY SAVING LAMP AND METHOD FOR THE SAME  
A smart dimmable power supply apparatus for energy saving lamp (10) includes an input terminal (102), a power transforming unit (104), a power output terminal (106), a dimming signal interface...
US20120019165 ILLUMINATION DEVICE  
The illumination device disclosed in the present specification has a light source, a touchless sensor for detecting proximity and movement of an object without contact, and a control unit for...
US20120235593 LIGHT HAVING A CIRCUIT ACCOMMODATING BATTERIES OF DIFFERENT TYPES AND/OR SIZES  
An electronic circuit and/or method that determines a type and/or size of a battery in a light and controls operation of a light source may comprise: a circuit measuring the voltage of the...
US20100045203 ILLUMINATION DEVICE  
An illumination device includes a first circuit board, a second circuit board and a lighting unit. The first circuit board has a controlling circuit, a switching circuit and a protection circuit....
US20120104966 DRIVE CIRCUIT FOR LIGHT EMITTING DIODE ARRAY BASED ON A BUCK-BOOST TOPOLOGY  
Features of the invention are related to drive circuits that provide both power factor correction and voltage conversion in a single circuit and in some implementations drive an LED array. This...
US20110007229 LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER  
A lighting device of the present invention includes a light source 17, a power source 170 configured to supply driving power to the light source, and a relay terminal 152 configured to...
US20100001591 Switching Actuator for Controlling the Energy Supply to Electric Consumers  
A switching actuator for controlling the energy supply to at least one electrical consumer (102) with an energy supply input (142), an energy supply output (144), a signal line input (146), a...
US20140312805 LED LIGHTING DEVICE AND LED LIGHTING CONTROL METHOD  
An LED lighting device comprises an LED light source unit; a light intensity control unit configured to provide a light intensity control signal for controlling a light intensity through a...
US20090284155 GAS-DISCHARGE LAMP REPLACEMENT  
An illumination device comprising a housing fixture, a light source, and an active heat transfer device is provided. The housing fixture includes a base adapted to be receivable in a light fixture...
US20120248993 Method and Apparatus of Converting Output of Triac Dimmer to Control Operations of LED Lighting  
Various embodiments of the present disclosure pertain to converting output of a triode-for-alternating-current (TRIAC) dimmer to adjust lighting of one or more light-emitting diodes (LEDs). In one...
US20120176061 METHOD AND DEVICE FOR DRIVING AN OLED DEVICE  
An OLED has a characteristic threshold voltage (V2) above which the OLED is to be considered ON. A method for driving an OLED (20) includes the steps of switching the OLED on and off. According to...
US20140111107 LED DRIVING APPARATUS HAVING HOLDING CURRENT CIRCUIT AND OPERATING METHOD THEREOF  
A LED driving apparatus having a holding current circuit and an operating method thereof are disclosed. The holding current circuit includes an input terminal, a holding resistor, a regulator, a...
US20110199017 CIRCUIT AND METHOD FOR DRIVING A LUMINOUS MEANS  
A circuit for driving a luminous means is provided. The circuit may include a driver circuit having an input and an output, wherein the output of the driver circuit is connected to the luminous...
US20120169249 SYSTEMS AND APPARATUS FOR AUTOMATICALLY DERIVING AND MODIFYING PERSONAL PREFERENCES APPLICABLE TO MULTIPLE CONTROLLABLE LIGHTING NETWORKS  
Systems and methods for deriving and modifying personal preferences related to at least one controllable lighting network are disclosed. The systems include a processor that can be used in...
US20090230875 METHOD AND A DRIVER CIRCUIT FOR LED OPERATION  
In a method and a driver circuit for operating one or more light emitting diodes, LEDs, an alternating supply current is generated and transformed to an alternating secondary winding voltage....
US20150115830 POWER LINE COMMUNICATION FOR LIGHTING SYSTEMS  
Techniques are provided for bi-directional communication between a power supply and one or more light engines (and/or other lighting system components) via the existing power lines so that no...
US20150115809 POWER LINE COMMUNICATION FOR LIGHTING SYSTEMS  
Techniques are provided for bi-directional communication between a power supply and one or more light engines (and/or other lighting system components) via the existing power lines so that no...
US20090224686 SEMICONDUCTOR CIRCUIT FOR DRIVING LIGHT EMITTING DIODE, AND LIGHT EMITTING DIODE DRIVING APPARATUS  
A light emitting diode drives a semiconductor circuit in order to drive a light emitting diode that emits light by applying the output voltage of the rectifier circuit. The light emitting diode...
US20120068619 DEVICE FOR CONTROLLING CURRENT OF LED  
Disclosed herein is a device for controlling current of an LED including a constant current generator, a current mirror, and a current amplifier, the device controlling current of an LED,...