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US20130313996 High Current Switching Converter for LED Applications  
A step-up switching voltage regulator includes two or more inductors and a switching network. A control circuit drives the switching network in a repeating sequence that includes: a magnetizing...
US20100019686 DEVICES AND METHODS FOR GENERATING BEAM PATTERNS WITH CONTROLLABLE INTENSITY, COLOR, OR INFORMATION CONTENT  
Described herein are systems and methods for controlling an illumination area as a function of time, location, or position. The systems and methods may generate illumination patterns having...
US20110057578 LED LIGHTING DEVICE AND ILLUMINATION APPARATUS  
The present invention provides a pair of input terminals to which AC voltage is input, the AC voltage being phase-controlled by a dimmer for phase-controlling AC voltage of an AC source; a damping...
US20130141008 LED DRIVING DEVICE AND METHOD THEREOF  
An LED driving device and its method are suitable for driving and regulating an illumination brightness of at least one LED. After switching the phase angle of an alternating voltage through a...
US20100001658 LIGHT EMITTING DIODE CIRCUIT AND LIGHT EMITTING DIODE DRIVING CIRCUIT  
A light-emitting diode circuit and a light-emitting diode driving circuit are disclosed. The light-emitting diode driving circuit includes the DC-DC converter and the switch circuit. The DC-DC...
US20110248643 Wireless Remote Control Lighting Unit and Wireless Remote Control Lighting System and Control Method Thereof  
The present invention discloses a wireless remote control lighting unit and a wireless remote control lighting system and a control method thereof. The wireless remote control lighting unit...
US20100084991 Dimming Control Circuit  
The present invention discloses a dimming control circuit, comprising: an input terminal for receiving an input signal; an analog and digital dimming circuit receiving the input signal, wherein...
US20140354178 LIGHTING DRIVER HAVING MULTIPLE DIMMING INTERFACES  
Lighting control techniques and corresponding drivers and ballasts are disclosed. In some embodiments, the driver or ballast receives multiple dimming inputs and has multiple dimming interfaces...
US20090134812 Exhaust fan for showing variable characters  
The present invention is related to an exhaust fan, particularly to a fan applied to a personal computer (PC) or computer's power source unit (PSU). The exhaust fan includes base, blade and a...
US20100139575 SYSTEM AND METHOD FOR TRACKING, MONITORING, AND LOCATING ANIMALS  
A light accessory is provided for a remotely controlled animal training system, allowing visual tracking of an animal in low ambient light conditions. The light accessory may be a stand-alone...
US20140091730 Dual-Mode Dimmable Receptacle  
An electric receptacle capable of operating in a dimmable mode and a standard mode comprises an opening for receipt of an adapter. The adapter is received by the electric receptacle and switches...
US20080185975 System and method for wide-range high-accuracy-low-dropout current regulation  
The invention teaches a semiconductor circuit for driving an LED in which the current passing through the LED is regulated by adjusting the NMOS Rdson using a series of digital signals. The...
US20130069544 MULTI-ELEMENT LED LAMP PACKAGE  
A light emitting diode device (e.g., LED package) may include at least two light emitting devices that can be switched independently of one another and thus may be useful in vehicular lighting...
US20100277094 LED Driver System and Method  
According to an embodiment of the present invention, a system is provided for driving at least one light-emitting diode (LED). The system includes an output terminal connectable to an anode of the...
US20090160358 CONTROLLER AND METHOD FOR CONTROLLING AN INTENSITY OF A LIGHT EMITTING DIODE (LED) USING A CONVENTIONAL AC DIMMER  
The present invention relates to providing a flicker-free method and a control circuit for use in conjunction with a conventional AC dimmer coupled to a mains AC supply to continuously control an...
US20120299509 LIGHTING SYSTEM AND METHOD FOR CONTROLLING THE SAME  
A lighting system as disclosed herein may include a lighting device, a switch to control the lighting device, and a controller to assign an address to the lighting device and the switch. The...
US20090281048 Method and System for Inducing Anti-aging in Skin  
A method of treating the skin and accelerating its natural anti-aging and wound-healing processes by using photorejuvenation at a specified total light flux at a specified range of wavelengths...
US20100066266 Led bulb, light emitting device control method, and light emitting device controller circuit with dimming function adjustable by AC signal  
The present invention discloses a light emitting device control method for adjusting the brightness of the light emitting device by an AC signal, comprising: receiving a signal having a turn ON...
US20150130365 LIGHTING SYSTEM AND SIGNAL CONVERTING DEVICE THEREFOR  
A lighting system includes a digital addressable lighting interface (DALI) master controller, a lighting driver, and a signal converter. The DALI master controller is connected to a management...
US20090079360 System and Method for Regulation of Solid State Lighting  
Exemplary embodiments of the invention provide a system, apparatus, and method of controlling an intensity and spectrum of light emitted from a solid state lighting system. The solid state...
US20090153071 Ignition circuit for igniting a discharge lamp and method for igniting the discharge Lamp  
The invention specifies a starting circuit arrangement for starting at least one discharge lamp by applying an electrical starting voltage pulse to the discharge lamp, the starting circuit...
US20140265915 Thin Film Encapsulation Battery Systems  
A battery assembly can be formed on a base layer provided on a substrate, with a thin film battery stack including an anode layer, a cathode layer, and an electrolyte layer between the anode and...
US20100141153 WIRELESS LIGHTING DEVICES AND APPLICATIONS  
In embodiments of the present invention improved capabilities are described for systems and methods that employ a control component and/or power source integrated in an LED based light source to...
US20120139438 LED Drivers and Control Methods  
A method of operating an LED driver including a power converter to generate an output current for powering an LED and to provide active power factor correction is disclosed. The power converter is...
US20150002046 User Interface Using Sounds to Control a Lighting System  
A user interface, a method, and a computer program product are provided for enabling a user to voice control over at least one setting of an apparatus such as a lighting system. The user interface...
US20070278973 Drive circuit for an ignition element of a safety system  
A drive circuit for an ignition element of a safety system comprises at least one ignition element terminal for connection of the ignition element, and a controllable current or voltage source...
US20120126710 CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES  
Embodiments in accordance with the present invention provide circuits and methods for driving light sources, e.g., a light-emitting diode (LED) light source. In one embodiment, a lamp includes a...
US20090153072 Inverter Circuit  
From the individual small areas of a conductor pattern arranged on the back side of a circuit board, there are individually extended leader patterns, which are midway led by through holes to the...
US20090309511 Dimming fluorescent ballast system with shutdown control circuit  
A ballast system for, and a method of, controlling illumination of a lamp, include a dimmer switch having an actuator settable at different settings corresponding to different output voltages...
US20100052548 VARIABLE BACKLIGHT CONTROL FOR BEZEL  
A method and system provide for dynamic control of backlighting of a light-transmissive bezel of a display device. A color control signal is received and processed by a processor and control...
US20090295305 LED DRIVER CIRCUIT  
An LED driver circuit comprises a buck-boost converter circuit and a resistor. The cathode terminal of the LED is connected to the output terminal of the buck-boost converter circuit. The anode...
US20090009088 LIGHTING CONTROL DEVICE OF LIGHTING DEVICE FOR VEHICLE  
In a process in which a control signal having a low level is output from an ON/OFF control circuit to series regulators connected to LEDs serving as lighting targets to turn ON the LEDs in...
US20090058312 ENERGY EFFICIENT FLUORESCENT LAMP  
To decrease a power consumption of a fluorescent lamp, the fluorescent lamp is provided with a high efficiency fluorescent coating, generating more light upon receipt of a conventional amount of...
US20090251065 Circuit Arrangement and Method for Operating at Least One LED  
A method and a circuit arrangement for operating at least one LED, includes: a first and a second mains connection for connecting a mains voltage; a first rectifier, whose rectifier input is...
US20110234116 METHOD FOR PROGRAMMING ELECTRONIC OPERATING DEVICES FOR DISCHARGE LAMPS AND ELECTRONIC OPERATING DEVICE FOR DISCHARGE LAMPS  
A method for programming an electronic operating device is provided. The method may include programming the operating device via a slow on/off switching pattern of its supply voltage, the...
US20090322247 Dimming buck type LED driving apparatus  
A dimming buck type light emitting diode (LED) driving apparatus includes a main switch controlling a driving current flowing into an LED; a current detector detecting a driving current flowing...
US20090140665 LIGHT SOURCE MODULE, METHOD FOR DRIVING THE LIGHT SOURCE MODULE, DISPLAY DEVICE HAVING THE LIGHT SOURCE MODULE  
A light source module having a plurality of light source blocks corresponding to a plurality of display regions, a method for driving the light source module, and a display device having the light...
US20080136343 Resonant DC/AC inverter  
A resonant DC/AC inverter includes a DC power source providing a DC voltage, a half-bridge power switch circuit electrically connected to the DC power source being operative to convert the DC...
US20090160349 Electronic stabilizer circuit for suppressing startup instabilities in cold cathode fluorescent lamps  
According to the present invention an electronic stabilizer circuit for suppressing startup instabilities when supplying a cold cathode fluorescent lamp with current is proposed which is connected...
US20080180039 LED DRIVE CIRCUIT  
Even if an input voltage is higher than an output voltage, the luminance of an LED is so controlled as to be held constant. When an input voltage Vin becomes higher than an output voltage Vout due...
US20110025228 WAVEFORM DETECTION AND COMBINED STEP AND LINEAR DIM CONTROL  
The present invention relates to a detection circuit (100) capable to detect a rectified phase-cut or sinusoidal wave-form using its duty cycle or average value and in response, to select the...
US20120019160 LIGHT EMITTING DIODE DRIVING METHOD AND DRIVING CIRCUIT  
A LED driving method includes steps of: providing a first pulse width modulation (PWM) signal for determining a brightness of a LED; obtaining a duty cycle of the first PWM signal; and selectively...
US20140285107 LIGHTING REQUIREMENTS GENERATION SYSTEM AND METHOD  
An OLN lighting requirements generation system and method including a lighting requirements generation system for an outdoor lighting network (OLN, 90) having lighting units (82), the system...
US20130043807 LIGHTING DEVICE CONTROL USING VARIABLE INDUCTOR  
Various techniques are provided for implementing a lighting device variable control using a variable inductor. In various examples, the variable control may be implemented with a plurality of...
US20110115403 Switched-Mode Power Supply, LED Lighting System and Driver Comprising the Same, and Method for Electrically Driving a Load  
The present invention is related to a switched-mode power supply. It is also related to a LED lighting system and driver which comprise such a switched-mode power supply. In addition, the present...
US20090108762 Lighting System  
A lighting system is provided. Users can independently switch an ultrasonic detecting device in the lighting system between a disable mode and an enable mode. The lighting system, comprises: a...
US20100013406 TEXTILE FOR CONNECTION OF ELECTRONIC DEVICES  
A textile (100; 300; 400) having a multi-layer warp which includes an upper warp layer (101) comprising an upper array of conductive warp yarns (104a-b; 303a-e; 406a-b), a lower warp layer (102)...
US20150137699 METHOD OF ASSOCIATING WIRELESS CONTROL DEVICES  
A first wireless control device may be associated with a second wireless control device in response to the movement of the first wireless control device in relation to the second wireless control...
US20120249012 METHOD AND SYSTEM FOR SUPPLYING MULTIPLE LED DRIVERS USING THE SAME TRAIC DIMMER  
An RCD transient absorption circuit, having a first port and a second port, the RCD transient absorption circuit comprising a first resistor, a capacitor and a diode, wherein: the first resistor...
US20110291580 ILLUMINATING MODULE CAPABLE OF COMPENSATING CURRENT  
An illuminating module is capable of compensating current. The illuminating module can tune the light with a light modulating circuit. The illuminating module includes an illuminating unit and a...