LED driving circuit

Power supply for LED lamp with TRIAC dimmer

LED light fixture

Systems and methods for optimizing power and control of a multicolored lighting system

Backlight module with MJT LED and backlight unit including the same

Illumination device control systems and methods

DIMMING DEVICE

Dynamic power supply for light emitting diode

LED driver with auxiliary power output

Modular integrated lighting circuit

LED Circuit With Multiple Switch Configurations

Apparatus and system for providing power to solid state lighting

Method and apparatus for phase-controlling a load

Method and apparatus for phase-controlling a load

Security lighting fixture

Circuit device, lighting device, and vehicle using the same

Biasing and driving circuit, based on a feedback voltage regulator, for an electric load

Light-emitting device and camera

Solid-state lighting operable with compact fluorescent ballasts and AC mains

Apparatus for sensing input power source

Light modulation controller, lighting system, and equipment instrument

Lighting device and luminaire

LIGHTING DEVICE AND LIGHTING FIXTURE

Power supply device serving as DC power supply, and lighting fixture

Simulcast mesh dimmable illumination source

LED lighting device and a method to verify its lifespan

Lighting device, vehicle illumination device, and vehicle

Output circuit

Programmable LED driver, monitor and setting devices

Voltage boost driving circuit for led backlight and LCD device having same

Signal generating method and circuit for controlling dimming of LED

Power apparatus for LED lighting

LED lighting system and controller, a method of controlling a plurality of LEDs, and a computer program therefor

Filter circuit

Lighting arrangement

Control circuit for modulating an analog dimming command signal

LED retrofit lamp with a strike barrier

High efficiency switching boost converter with reduced inductor current ripple

Light-emitting module

Dimmable universal voltage LED power supply with regenerating power source circuitry and non-isolated load

LED constant-voltage dimming power supply and dimming system for LED lamp having same

Control circuit and control method for illumination apparatus

Light emitting diode driving device with control based on LED setting resistance

LED driver which can be used with either trailing edge or leading edge dimmers

LED lighting device

Apparatus and method for operating a light generator

App based free setting method for setting operating parameter of security light

Lighting device, smart terminal, lighting-device network-forming system, and methods thereof

Light emitting diode driver with housing having opening for receiving a plug-in module and method of operating thereof

Load control device for a light-emitting diode light source

Driving circuit for flash light-emitting diode and operating method thereof

Lighting device and lighting fixture for current control with a solid-state lighting element

LED LIGHTING APPARATUS

Method and apparatus for increasing dimming range of solid state lighting fixtures

Controlling dimming ratio and output ripple voltage

Dimming lighting circuit and luminaire

Lighting arrangement with battery backup

Backlight unit

Switching control circuit, light apparatus comprising the same and switching control method

Dimming circuit and dimming system suitable for SCR dimmer circuit

LED LIGHTING CONTROLLER

Driving circuit and driving method for a plurality of LED strings

Driver arrangement

Pulse-density modulated fast current controller

Semiconductor device

Distributed charge-pump power-supply system

Method and system for controlling solid state lighting via dithering

Backlight module detection system and backlight module detection method

LED AC drive circuit

Switching converter and lighting device using the same

Switching converter and lighting device using the same

COLOR MODULATED LED-BASED ILLUMINATION

Switching mode converter

Standby power saving circuit

Power supply and display device

LED tube lamp

Flexible electrical connection of an LED-based illumination device to a light fixture

SUPPLEMENTAL, BACKUP OR EMERGENCY LIGHTING SYSTEMS AND METHODS

Driver circuit for providing constant voltage to an auxiliary circuit

System, method, and apparatus for powering intelligent lighting networks

System, method, and apparatus for powering intelligent lighting networks

System, method, and apparatus for powering intelligent lighting networks

System and method for auto-commissioning based on smart sensors

Electroluminescent device with short detection circuit

Control device having buttons with automatically adjustable backlighting

Apparatus and method for driving LED display panel

OPTOELECTRONIC CIRCUIT WITH LIGHT-EMITTING DIODES

Maintaining LED driver operating point during PWM off times

Efficient lighting circuit for LED assemblies

LED LUMINANCE DEVICE AND RELATED DRIVER CIRCUIT

Semiconductor light source drive device

Maintaining output capacitance voltage in LED driver systems during PWM off times

IMPROVING THE ACCURACY OF AN EXPONENTIAL CURRENT DIGITAL-TO-ANALOG CONVERTER (IDAC) USING A BINARY-WEIGHTED MSB

Driver method

Weapon mounted light and operation thereof

Two-level LED security light with motion sensor

Linear solid-state lighting with electric shock and arc prevention mechanisms free of fire and shock hazards

Light emitting device for AC power operation

METHOD OF DRIVING AT LEAST ONE LED STRING THEREOF

PFM scheme for boost and flyback converter in LED backlight application

Smoke detector with regulated constant-current circuit for driving optical sources

Start-up circuit and method using a depletion mode transistor

LIGHTING DEVICE

Audible warning system for bicycle lights

Systems and methods for temperature control in light-emitting-diode lighting systems

Leading-Edge Phase-Cut Dimmer Detector

Systems and methods for dimming control using TRIAC dimmers

BACKLIGHT MODULE WITH MJT LED AND BACKLIGHT UNIT INCLUDING THE SAME

Transient current peak limiter for variations in LED loads

Device and method for providing regulated current to an electrical load

LED driver and control method

Phase controller apparatus and methods

LED LIGHTING APPARATUS

Lighted footwear

Light engine for light emitting element

Light-emitting apparatus with near field communication unit, a control method therefor, and a non-transitory recording medium

Power line communication for lighting systems

Two-level LED security light with motion sensor

Light emitting diode lamp dimming signal

Display device and driving method of backlight module

Constant power supply for LED emergency lighting using smart output resetting circuit for no load conditions

System and method for driving light emitting diodes

LED driver with advanced dimming

Circuit arrangement for operating light sources

Light emitting diode drive device and illumination device

Circuit and apparatus for controlling a constant current DC driver output

Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation

Wirelessly controlled lighting device

LED lighting device

Controlling the drive signal in a lighting fixture based on ambient temperature

Driving circuit of light source and control circuit thereof, driving method of light source, lighting apparatus, and electronic device

Lighting devices employing class-E power amplifier for inductive power and data transfer in high-moisture operating environments

LED driving device

LED tube lamp with improved compatibility with an electrical ballast

Lighting device and illumination apparatus

Backlight unit, method of driving the same, and display apparatus having the same

Reduced flicker driver circuit for LED systems

Voltage level shifting circuits for signal levels and/or power supply voltage levels using constant voltage circuit elements, lighting apparatuses and methods of operating the same

Resonant step down DC-DC power converter and methods of converting a resonant step down DC-DC converter

Switch comprising a field effect transistor and integrated circuit

Low-overhead current generator for lighting circuits

Linear solid-state lighting compatible with ballasts in double ends and operable with AC mains in a single end

Power supply device for LED light

Lighting device, illumination device, and lighting fixture

LED converter and method for controlling a converter circuit of an LED converter

Load control system operable under different power supply conditions

Light guide device and electronic device with light guide device

Illuminated vest

Programmable emergency lighting device including near-field communication

Solid state light system with broadband optical communication capability

Backlight driving apparatus

Improvements relating to power adaptors

LED lighting device

Light emitting diode driver circuit and method for light emitting diode driving

Light emitting diode driver circuit, display apparatus including the same, and method for driving light emitting diode

CONTROLLING A LAMP HAVING AT LEAST TWO SEMICONDUCTOR LIGHT SOURCES

CONTROLLING A LUMINOUS MEANS HAVING AT LEAST TWO SEMICONDUCTOR LIGHT SOURCES

Light-emitting diode driving apparatus

LED tube lamp having mode switching circuit and auxiliary power module

Voltage conversion device

Portable backup charger

Monolithic LED chip in an integrated control module with active circuitry

Dimmer system and method

Bleeder for improving dimming of LED

Power Conserving Method for Electric Lighting Supply

Power optimization for linear regulator

LED driving device, illuminator, and liquid crystal display device

Driver circuit for illuminants, particularly LEDs

LED module

Reproduction device and reproduction method

LED lighting device and LED illuminating device

Light emitting diode (LED) warm on dim circuit

Method and apparatus for calculating an average value of an inaccessible current from an accessible current

Load control device having stuck relay detection

Light-emission drive circuit and image forming apparatus

LED driver circuit

Configurable light source driver device

Light emitting diode (LED) torchiere lamp with overheat and overvoltage protection functions

Use of very high frequency switching power converters for also modulating light output from solid state emitter to communicate data

Trigger circuit and light apparatus comprising the same

System and method for a switched-mode power supply

Display device

Enhanced variable control, current sensing drivers with zeta scan

Driver for a light source

Protection for retrofit light emitting diode tube

Over-voltage and over-current protection circuits and electronic devices

LED driver for powering an LED unit from an electronic transformer

Drive circuit, illumination source, and lighting device

Voltage balancing current controlled LED circuit

Multichannel constant current LED driving circuit, driving method and LED driving power

Duty cycle brightness control for lighting device

Switch circuit for LED lighting assembly adaptive to multilevel light switches

Current compensation circuit and light apparatus comprising the same

Current regulator circuit capable of reducing current ripple and method of reducing current ripple

Current compensation circuit and light apparatus comprising the same

Multicolor signal arrangement, method for defining operating modes of a multicolor signal arrangement, and system having a multicolor signal arrangement and an RFID transmitting device

LED lighting systems and methods for constant current control in various operation modes

Phase-cut dimmer device and method of phase-cut dimming for a lighting unit controlled by a rocker-type user interface

Dimming circuit

Driving circuit for driving a LED array

Driver module for driving LEDs

OPTICAL NAVIGATION MODULE WITH DECORATION LIGHT USING INTERFERENCE AVOIDANCE METHOD

Leakage current detection circuit, light apparatus comprising the same and leakage current detection method

LIGHT-EMITTING DEVICE, DEVICE AND METHOD FOR ADJUSTING THE LIGHT EMISSION OF A LIGHT-EMITTING DIODE COMPRISING PHOSPHORUS

LED driver having short circuit protection

Lighting device and luminaire

Light-emitting device

Power distribution

LED tube lamp

Switch mode power supplies, control arrangements therefor and methods of operating thereof

Gate off delay compensation circuit and light apparatus having the same

Lighting circuit and illumination system

LED driver circuit and electronic device

Light emitting diode (LED) tube lamp

Fluorescent replacement LED lamps

Circuit arrangement, light-emitting diode assembly, and method of actuating an optoelectronic component

Apparatus for performing hybrid power control in an electronic device with aid of multiple switches corresponding multi-purpose usage

LED Module

Lighting device, head light and vehicle

Light emitting diode driving system with light signals carried via power lines

LED driver and illumination system related to the same

Constant-current controller with square-wave input current shaping

LED driver, lighting equipment and light fixture

Power transformation apparatus, illuminating lamp, and lamp tube using the same

ANSI reference ballast compliance circuit for LED retrofit lamps

LED tube lamp

LED driver circuit

LED array member and integrated control module assembly with built-in switching converter

Method for driving LED

Power circuit and diming control method for LED lighting device

Method of controlling a lighting arrangement, a lighting controller and a lighting system

Detection and control mechanism for tail current in a bipolar junction transistor (BJT)-based power stage

Switch-mode drive sensing of reverse recovery in bipolar junction transistor (BJT)-based power converters

Drive Circuit and Illumination Device Comprising the Drive Circuit

Network of motion sensor lights with synchronized operation

LED backlight driving circuit and method for detecting failure thereof

Method for making tunable multi-LED emitter module

LED BACKLIGHT SOURCE USED IN LCD DEVCICE AND LCD DEVICE THEREFORE

Event based integrated driver system and light emitting diode (LED) driver system

WLED driver and drive control method

Emitting Power of A Bulb Is Controlled By Regular Power OnOff Switch and The Power Level Can Be Learned

BACKLIGHT MODULE FOR LIQUID CRYSTAL DISPLAY AND LIQUID CRYSTAL DISPLAY DEVICE

Backlight drive circuit, method for driving the same, and liquid crystal display device

LED power circuit using discrete components and configuration method

Light-emitting apparatus and lighting appliance provided with the same

System for capacitively driving a load

Liquid crystal display device, backlight module, and drive circuit for backlight source thereof

DC-DC converter and organic light emitting display including the same

Resistance measurement of a resistor in a bipolar junction transistor (BJT)-based power stage

Method and system for driving LED lamp

Light emitting diode (LED) dimmer circuit and dimming method for LEDs

Voltage transformer meant for power supply for LED lamps

LED driving device and control method for LED driving device

Backlight driving circuit, electronic device and backlight driving method

Light emitting diode driver with differential voltage supply

Power supply apparatus outputting alternating-current voltage to plasma generator

LED LAMP

Systems and methods for providing a self-adjusting light source

Controlling and coding light, using transfer function of light source-driver

Drive unit for a lighting element and operating method therefor

Compact driver for a light emitting diode having an auxiliary output

Solid-state lighting without operational uncertainty and free of fire hazard

Lighting control circuit, illuminating lamp using the lighting control circuit, and lighting device using the illuminating lamp

Compact driver for a light emitting diode having an integrated dual output

Power circuit applied in LED load

Control circuit

Load control device for high-efficiency loads

Load control device for high-efficiency loads

Systems and Methods for Providing a Transformerless Power Supply

Apparatus for performing hybrid power control in an electronic device with aid of separated power output nodes for multi-purpose usage of boost

Control circuit for LED lighting apparatus

LED DRIVING DEVICE AND LED LIGHTING DEVICE

Light-emitting device and camera

Systems and methods of delivering rectified voltage to a load

Light emitting diode (LED) driver having direct replacement capabilities

Adaptable recharging and lighting station and methods of using the same

LED tube lamp

Adaptable recharging and lighting station and methods of using the same

Control circuit and method of a LED driver

Control circuit for controlling current through a load using a phase-cut thyristor arrangement and method for controlling thereof

Converter and method of operating a converter for supplying current to a light emitting means

Load driving circuit and illumination apparatus including the same

High efficiency LEDs and LED lamps

Power over ethernet lighting system

LED DRIVER AND DRIVING METHOD

Shunt regulator for spectral shift controlled light source

Lighting device, lighting fixture and lighting system

LED tube lamp having mode switching circuit

Load driving circuit

LED driver, lighting system and driving method with prolonged lifetime of luminous output

Apparatus for driving load via converter

Lighting system

Electronic resonant and insulated half-bridge zeta converter

High power rechargeable flashlight with two way universal serial BUS

LED driving arrangement with reduced current spike

AC driven LED light with digital control of color and intensity

LED lighting device using AC power supply

LOW-COST DIMMING DRIVER CIRCUIT WITH IMPROVED POWER FACTOR

HOT PLUG MODULE AND DRIVER FOR ILLUMINATING DEVICE AND ILLUMINATING DEVICE

Clocked electronic energy converter