Generating a control signal based on leading edge dimming detection for maintaining input current of a power converter

Multi-mode portable lighting device

Dimming method and circuit and controlled-silicon dimming circuit with the same

Current demand control of lighting modules

CONTROLLING DEVICE FOR LED DECORATIVE LIGHTS, A LED LIGHT AND A CONTROLLING METHOD FOR LED DECORATIVE LIGHTS

LED DRIVER CIRCUIT CAPABLE OF EXTENDING A LIFESPAN OF THE LED DRIVER AND REDUCING MANUFACTURING COST

LED module

THERMAL PROTECTION CIRCUIT FOR AN LED BULB

Device for controlling a plurality of sets of LEDs, especially for an automotive vehicle

Switching converter, control circuit and control method thereof, and lighting device and electronic apparatus using the same

Load driver and luminaire including the load driver

Systems and methods for providing power to one or more loads in a circuit

TWO-STAGE AC-DC POWER CONVERTER WITH BUCK PFC AND IMPROVED THD

Modular driver module for light fixtures with LED luminaires

Lighting device

Systems and methods for dimming control with capacitive loads

Undervoltage protection circuit for LED lamp

Lighting device and luminaire using the same

Load control device for high-efficiency loads

Two-stage LED driver with selectable dual output current

Power Supply Circuit and Luminaire

LED luminaire driving circuit and method

Two-stage LED driver with buck PFC and improved THD

Power Supply Device and Lighting Device

Power Supply Circuit and Luminaire

Power Supply Circuit and Luminaire

Two-stage AC-DC power converter with selectable dual output current

Single-stage AC-DC power converter with flyback PFC and selectable dual output current

Single stage AC-DC power converter with flyback PFC and improved THD

System for controlling LED light strings

Converter circuit arrangement and conversion method

LED illuminating apparatus having enhanced quantity of light

LED dimmer, LED lighting device comprising same, and method for controlling dimming of LED lighting device

LED flashlight

Duty factor probing of a triac-based dimmer

Power Supply Device and Luminaire

Power Supply Device, Luminaire, and Lighting System

Method and apparatus for cancelling output current ripples in LED driving circuits

Current shaping for dimmable LED

Method of driving LED chips of same power but different rated voltages and currents

Controller

Flash-LED driver discharge control

Method of controlling multiple lamps

Light-emitting diode driving apparatus and semiconductor device

Current regulated LED strobe drive circuit

Load control device for high-efficiency loads

Method for operating an LLC resonant converter for a light-emitting means, converter, and LED converter device

Lighting source and lighting apparatus

Lighting source and lighting apparatus

Lighting source and lighting apparatus

Modifying duty cycles of PWM drive signals to compensate for LED driver mismatches in a multi-channel LED system

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

System and method for auto-commissioning based on smart sensors

Method and apparatus for power driving

Light emitter driving device and lighting appliance therewith

LED controllers for dimming at least one LED string

LED light source

AC/DC power converter

Lighting interconnection and lighting control module

Lighting device, headlight apparatus using the same, and vehicle using the same

Lighting device, headlight apparatus using the same, and vehicle using the same

Lighting device, headlight device with the same, and vehicle

CIRCUIT FOR GENERATING REFERENCE SIGNAL FOR CONTROLLING PEAK CURRENT OF CONVERTER SWITCH, ISOLATED CONVERTER AND METHOD FOR GENERATING REFERENCE SIGNAL FOR CONTROLLING PEAK CURRENT OF CONVERTER SWITCH

Two-wire flyback dimmer and a metod of operation thereof

Backlight driving circuit and liquid crystal display

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

Driving device, light-emitting device, projection device, control method, and storage medium

Systems and methods for low-power lamp compatibility with a trailing-edge dimmer and an electronic transformer

High efficiency LED driving circuit and driving method

Light source driving apparatus having a snubber to prevent voltage and current spikes, display apparatus and driving method thereof

Driving circuit and driving method for light-emitting diode

Driver circuit using dynamic regulation and related techniques

Driving device, light-emitting device, projection device and control method

Light emitting component and light emitting device using same

Light-emitting diode driving apparatus and semiconductor device

Capacitor step-down LED driver and driving method using the same

METHOD AND APPARATUS FOR CALCULATING AN AVERAGE VALUE OF AN INACCESSIBLE CURRENT FROM AN ACESSIBLE CURRENT

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

Light adjusting device with switching element

Driving circuit for driving LED load

Light-emitting diode lighting system

LED lighting system

LIGHT EMITTING DIODE DRIVING DEVICE

Light generating device

Protection circuit and method against interference in lighting systems

Individually addressable dimmer systems and methods

LED driving device and lighting device

Lighting device and illumination apparatus using the same

Lighting device and illumination apparatus using the same

Multi-mode dimmer interfacing including attach state control

LED DRIVING DEVICE AND LIGHTING DEVICE

Adaptation circuit for coupling LED to ballast

LED array member and integrated control module assembly having active circuitry

Dimming range extension

Circuit arrangement

LAMP UNIT POWER SUPPLY SYSTEM

Switching power supply circuit and LED illumination device

Light emitting system and voltage conversion device thereof

LED fluorescent lamp

Electronic ballast for operating at least one first cascade of LEDs

Output current configuration based on load connection

Operating circuit for light emitting diodes and method for operating light emitting diodes

METHOD AND APPARATUS FOR CONTROLLING BRIGHTNESS OF LIGHT EMITTING DIODES

LED backlight driving circuit and LCD

Driving apparatus for a light emitting device and method for the same

Electronic ballast and luminaire with the same

Bi-level current configurable driver

Single wire serial interface

LED lighting system

Solid state lighting control with dimmer interface to control brightness

Driver for arrays of lighting elements

Lighting device and luminaire

Lighting device and luminaire

LED lighting device

Lighting apparatus for use with controlled current drivers

Controlling current flowing through LEDs in a LED light fixture

Illumination apparatus and lighting device used thereby

Programmable phase-cut dimmer operation

Single wire serial interface utilizing count of encoded clock pulses with reset

Line voltage switch event detection for LED assemblies

Light-emitting element lighting device, light-emitting module, illuminating apparatus, and light-emitting element lighting method

Single wire serial interface

Driver circuit for at least one load and method of operating the same

Compensating for a reverse recovery time period of a bipolar junction transistor (BJT) in switch-mode operation of a light-emitting diode (LED)-based bulb

Two terminal drive of bipolar junction transistor (BJT) of a light emitting diode (LED)-based bulb

Transformer for a lamp, LED converter, and transformer operation method

LED LIGHTING DEVICE

CONTROL CIRCUIT OF LIGHT EMITTING DIODES AND OPERATION METHOD OF A CONTROL CIRCUIT OF LIGHT EMITTING DIODES

Two-level LED security light with motion sensor

Light emitting diode driving circuit structure

CIRCUIT AND METHOD FOR CONTROLLING LIGHT-EMITTING COMPONENTS

POWER FACTOR CONTROLLER BASED SINGLE-STAGE FLYBACK DRIVER AND LIGHT-EMITTING SYSTEM

Method for operating a circuit configuration with a control and/or regulating means for a light diode field

LED device with built-in fast self-test circuit

LED light source

Driver device and driving method for driving a load, in particular a LED unit

Light-emitting diode driving apparatus and light-emitting diode illumination system using the same

Method and apparatus for extending the power output range of a power converter used for a lighting system

Light emitting diode driving apparatus capable of detecting whether current leakage phenomenon occurs on LED load and light emitting diode driving method thereof

Omni Voltage Direct Current Power Supply

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

LED driving device and control method

Light-emitting element driving device

LED array member and thermally decoupled integrated control module assembly

METHOD AND APPARATUS FOR PROVIDING SUPPLEMENTAL POWER IN A LED DRIVER

Light-emitting diode lighting device having multiple driving stages

Lighting device

Medical light-source device

Converter device

LED driver capable of regulating power dissipation and LED lighting apparatus using same

Apparatuses for bleeding current from a transformer of a solid-state light emitting diode

Signal transmission method and related device

Electronic device for driving light emitting diodes

Circuit and method for driving LED lamp with a dimmer

Lighting driver and housing having internal electromagnetic shielding layer configured for direct connection to circuit ground

LED backlight system and display device

Light-emitting-diode-driving device, lighting apparatus for vehicle and vehicle including the same

DC power supply circuit

Power supply

SOLAR POWER CONVERTER AND METHOD OF CONTROLLING SOLAR POWER CONVERSION

LED backlight driving circuit, LCD device, and method for driving the LED backlight driving circuit

Driver circuit for light-emitting diodes

Light-emitting device, and light source for lighting and lighting apparatus using the same

Apparatus and method for controlling taillight of vehicle, capable of brightness control and visible light wireless communication

Automatic input impedence control

Converter device

Light emitting diode power supply apparatus

LIGHT EMITTING DIODE DRIVING APPARATUS AND LIGHT EMITTING DIODE LIGHTING APPARATUS

Power supply device and control circuit thereof

POWER SUPPLY APPARATUS AND CONTROL CIRCUIT THEREOF

POWER SUPPLY APPARATUS

Voltage control circuit for dimmer and dimming method using the same

Driver device and driving method for driving a load, in particular a LED unit comprising one or more LEDs

Hybrid constant current LED lamp

Driver circuit and driving method for LED lighting device

LIGHT EMITTING DIODE DRIVING APPARATUS

TRIAC dimmable LED driver circuit

Direct drive LED driver and offline charge pump and method therefor

LED converter with adaptive PFC and resonant converter

Driver for driving LED backlight source, LED backlight source and LCD device

Signal process method, signal process circuit and LED dimming circuit thereof

VCC charge and free-wheeling detection via source controlled MOS transistor

Two-level LED security light with motion sensor

Illumination device power control module

SYSTEMS AND METHODS FOR CONSTANT ILLUMINATION AND COLOR CONTROL OF LIGHT EMISSION DIODES IN A POLYPHASE SYSTEM

Dimmable light emitting diode lighting system

Lighting device

Techniques for assessing condition of leds and power supply

LED lighting device

Active capacitor circuit

LED lamp

Method and circuit arrangement for operating light-emitting means, with beat avoidance

Dual power SMPS for a modular lighting system

Long life, fail safe traffic light

Method and circuit arrangement for operating light-emitting means with a sudden load variation

Circuit arrangement and method for operating and dimming at least one LED

LED lighting converter

Power supply for a field emission light source

LED control circuits and methods

LED converter including a resonant convertor

Lighting systems with uniform LED brightness

LED lighting device

Vehicular headlamp

Auxiliary power supply for lighting driver circuitry

Control device for use with switching converters

Current ripple canceling LED driver

LED backlight driving circuit, LCD device, and method for driving the LED backlight driving circuit

Backlight driving circuit, LCD device, and method for driving the backlight driving circuit

Lighting driver having multiple dimming interfaces

Illumination systems

Load control device for a light-emitting diode light source

LIGHT EMITTING DIODE LIGHTING DEVICE

Power supply apparatus and driving method thereof

LED light source with trailing edge phase cut dimming

Light-emitting diode lighting device having multiple driving stages

LED driver system, controller and associated method

Lighting Circuit and Luminaire

Current steering module for use with LED strings

LED luminaire having high power LED drive circuit

Luminous device for a vehicle

Integrated lamp with automatic emergency light and regular light

Current shaping for dimmable LED

Smart FET circuit

Systems and methods for dimming control using TRIAC dimmers

Lighting device adapted for synchronous control

Switched-capacitor isolated LED driver

Load driving device, and lighting apparatus and liquid crystal display device using the same

Driving circuit of light-emitting diode and driving method thereof

Power supply with standby operation

Active valley fill power factor correction

Driving circuit of light emitting element, and light emitting device and electronic apparatus including the light emitting element

LED backlight driving circuit, backlight module, and LCD device

LED backlight driving circuit, LCD device, and method for driving the LED backlight driving circuit

Charge pump-based drive circuitry for bipolar junction transistor (BJT)-based power supply

Light emitting element drive apparatus and portable apparatus using same

Single pin control of bipolar junction transistor (BJT)-based power stage

Lighting module

Backlight drive circuit with dual boost circuits

Multifunction light controller equipped with localized control

MULTIFUNCTION LIGHT CONTROLLER

Synchronous rectification controlling circuit and synchronous rectification controlling method

LED backlight driving circuit having divider units and method for driving the LED backlight driving circuit

LED backlight driving circuit, LCD device, and method for driving the LED backlight driving circuit

Driving device

Driver system for driving at least one LED

Dimmer detector for bleeder circuit activation

Switched mode power converter and method of operating the same

Dimmable LED light unit and method of replacing a light unit

Light emitting diode driver

Stabilization circuit for low-voltage lighting

System for spreading a spectrum linked to the usage of a switching regulator used in a receiver or display of a dashboard of an automobile

LED DRIVE DEVICE, AND LIGHTING SYSTEM INCORPORATING THE SAME

Method and apparatus for dimmable LED driver

Electrical device and method for compensating an effect of an electrical current of a load, in particular an LED unit, and driver device for driving a load, in particular an LED unit

Control circuit of light emitting element

Illumination device and LED dimming circuit thereof

MENIAL POWER CONSUMPTION LIGHT EMITTING DIODE (LED) LAMP DEVICE

Lighting apparatus for visible light communication, and visible light communication system using the apparatus

LED backlight source and liquid crystal display device

Low dropout light emitting diode (LED) ballast circuit and method therefor

Controlling an LED string using a current sink with low side voltage regulation

Control system for controlling a load via power-line communications

Power converter for interfacing a fluorescent lighting ballast to a light emitting diode lamp

Controlling circuit and AC/DC converter thereof

Lighting device and method for the flexible generation and distribution of light

Universal load control cabinet

Method of transmitting signals

Light emitting diode lighting system

Operation of a lamp with an autonomous energy store

Universal load control module

Self-oscillating resonant converter-based light emitting diode (LED) driver

Circuit arrangement for operating a low-power lighting unit and method of operating the same

Three-way OMNI-directional LED lamp driver circuit

Apparatus for driving LEDs using high voltage

Pulse switched resistor driver

Optimal trajectory control for LLC resonant converter for LED PWM dimming

Illumination device control systems and methods

Light emitting diode lighting device

System and method for thermal protection for a universal load control cabinet

Lighting dimmer synchronous load device

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

Compact LED work light

Power supply device and lighting device

LED drive circuit

LED lighting device using ballast

LIGHT-EMITTING DIODE DRIVING APPARATUS

Universal voltage converter and inductive power coupling

Controlled power supply circuit

Method and circuit for driving an LED load with phase-cut dimmers

LIGHT EMITTING DEVICE POWER SUPPLY CIRCUIT AND DAMPING CIRCUIT THEREIN AND DRIVING METHOD THEREOF

Variable LED Light Illumination

Color tunable light source module with brightness and dimming control

Color tunable light source module with brightness control

Self-adjusting lighting driver for driving lighting sources and lighting unit including self-adjusting lighting driver

Near unity power factor long life low cost LED lamp retrofit system and method

Lamp using solid state source

Electromagnetic coupling multi-output control circuit

LED backlight driving circuit and LCD device

Driver circuit and method for driving an electrical load

Power supply device and illumination device