Light-emitting diode driving apparatus and lighting device

Reproduction device and reproduction method

SWITCHED MODE POWER CONVERTER CIRCUIT AND METHOD

Control apparatus and system for coupling a lighting module to a constant current DC driver

Light fixture with ferroresonant transformer power source

Multi-stage switched capacitor converter and variable conversion ratio switched capacitor converter

Dental light device

Circuit arrangement for operating at least a first and a second cascade of LEDs

LIGHTING DEVICE

Electrical power supply for a lighting device of an automobile vehicle comprising a plurality of outputs

Dimming circuit, control circuit and dimming method

LED drive circuit with improved flicker performance, and LED lighting device comprising same

Multi-mode control for solid state lighting

AVERAGE CURRENT MODULATOR FOR AN LED DRIVER

LED DRIVING DEVICE WITH DETACHABLE SURGE PROTECTION

N-color scalable LED driver

LED light source and method for adjusting colour tone or colour temperature of LED light source

Light emitting diode driver regulated to consume constant battery current input

Reserve power and control for light sources in a light fixture

Lighting apparatus

LED lighting circuit fed by current source

Emergency backup systems providing dimmed power

Controlling power usage in appliances

Apparatus and method for tracking and cancelling DC offset to acquire small AC signal using dual feedback loops

Multiple location load control system

Lighting unit with near field communication, integrated circuit and methods therefor

Load control device for a light-emitting diode light source

Driving circuit for light-emitting element with burst dimming control

Multichannel constant current LED controlling circuit and controlling method

Forward converter having a primary-side current sense circuit

THREE-PHASE AC/DC CONVERTER, PHOTOCHEMICAL REACTION DEVICE AND METHOD USING SAME, AND METHOD FOR PRODUCING LACTAM

Ballast circuit

Operating circuit for energizing a lamp, LED converter, and method for operating an operating circuit

Segmental driving of light emitting circuits

Driving circuit of LED for liquid crystal backlight, control circuit thereof, and electronic device

Observation device

Modular lighting fixture

LED lighting device with adaptive profiles for controlling power consumption

LED drive circuit having improved flicker performance and LED lighting device including the same

Powering internal components of LED lamps using dissipative sources

Light emitting diode driver

Solid state light fixtures having ultra-low dimming capabilities and related driver circuits and methods

A MODULE DRIVE AND DRIVING METHOD

Circuit for driving a load

Constant voltage and current synchronic output power supply and television

Lighting device and luminaire

Isolated active circuit for measuring the current of an illuminant on the secondary side

Phase control dimmer circuit

Control apparatus and lighting apparatus with first and second voltage converters

Converter with control loop

Two-wire dimmer with improved zero-cross detection

Digital Dimmable Driver

Illumination device and method for decoupling power delivered to an LED load from a phase-cut dimming angle

Driver device and driving method

Lighting system, illuminating system and illuminating fixture

Power supply, lighting system, illuminating system, and method for reducing a time required for extinguishing an electric arc

Voltage adaptable driving signal converter

Diode light source driver

ARRANGEMENT OF LED ELEMENTS CONNECTED TO A STEP DRIVER

Optoelectronic circuit with low-flicker light-emitting diodes

Systems, apparatus, and methods for converting a bi-level lighting system to a dimmable lighting system

LED DRIVER CIRCUIT, LED CIRCUIT AND DRIVE METHOD

Light-emitting-load driving device and illumination-light source device using same

Ballast-compatible lighting driver and light emitting diode lamp comprising the same

Systems and methods for high precision and/or low loss regulation of output currents of power conversion systems

Systems and methods for high precision and/or low loss regulation of output currents of power conversion systems

Control of networked lighting devices

LED driver circuit, LED circuit and drive method

Phase cut dimming control and protection

Powered device and power distribution system comprising the powered device

Control device for a PFC converter and corresponding control method

Apparatus and methods for reducing blue light hazards

LIGHTING APPARATUS

Solid state power controller for aerospace LED systems

LED device and dimming system and method thereof

Driving a light source via different modes

Light unit driver system

DC power supply device and lighting system using same

LED driver chip for car reading light and state control method thereof

LED driver provided with time delay circuit

Systems and methods for synchronizing lighting devices

Dimming circuit for digital control

Systems and methods for intelligent dimming control using TRIAC dimmers

Digital dimming solution for LED applications including a phase-cut dimmer

Power converter between halogen transformer and LED

Lighting device with color temperature gradation and method of using the same

LLC RESONANT CONVERTER

Driver for driving a load

LIGHT EMITTING DEVICE DRIVER CIRCUIT AND DRIVING METHOD OF LIGHT EMITTING DEVICE CIRCUIT

Electronic circuit for driving LED strings including a plurality of regulation modules which function in sequence

Driver with open output protection

LED linear constant power driver circuit

Dynamic Snubber Switch for AC Load Side Application

Self-adaption current control circuit

Load control device for a light-emitting diode light source

Light-emitting diode dimming driver circuit

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

Driving circuit for driving a LED array

Multi-mode power supply for an LED illumination device

LED voltage driver circuit

Signal transmitting device, signal receiving device, lighting system, illuminating fixture, and illuminating system

Systems and methods for regulating output currents of power conversion systems

Compensating for voltage changes in driver circuits

Lighting system and method for PWM adjustable current control

Light emiting diode (LED) tube lamp compatible with different ballasts providing external driving signal

Dithering and dimming techniques for light emitting diode (LED) lighting systems

Reference voltage generator and light emitting diode device comprising the same

LED driving circuit, LED device comprising the same, and driving method of LED

Systems and methods for dimming control using system controllers

Ripple suppression circuit, suppression method and LED lighting apparatus

Lighting circuits, luminaries and methods compatible with phase-cut mains supplies

Systems and methods for controlling and improving power converters

Systems and methods for regulating output currents of power conversion systems

LED LIGHTING METHODS AND APPARATUS

Lighting apparatus and system having electrical insulation structure between dimmer and driver

Non-linear analog signal conversion circuit configured of passive elements and lighting apparatus using the same

Power device and method for controlling output current of the same

System and method for controlling LED lighting by distributed PWM

LED lamp using switching circuit

Electrical load driving device

SYSTEM AND METHOD FOR ZERO VOLTAGE SWITCHING AND SWITCH CAPACATOR MODULATION

Light switch device

Power supply

LED lamp strip structure and control method thereof, backlight module, liquid crystal display device

LED lighting methods and apparatus

LED lighting methods and apparatus

LED lighting apparatus with adjustable beam angle lens

LED lighting methods and apparatus

Dynamic control circuit

Current control circuit for linear LED driver

Power supply system and method and circuit using the same

LED tube lamp compatible with different sources of external driving signal

Driver circuit and switch driving method

Buck converter electronic driver with enhanced iTHD

PFC signal generation circuit, PFC control system using the same, and PFC control method

Laser power-supply device that controls a plurality of light-emitting elements

Load control device having stuck relay detection

LED tube lamp

Card type LED driver and transportation means with card type driver

Power converter controller

Optoelectronic circuit having light-emitting diodes

LED backlight driving circuit

Light-dimming device

Light-dimming device

Dimming driver circuit and control method thereof

Zero-crossing detection circuit for a dimmer circuit

Automatic configuration of a load control system

High efficiency switching boost converter with reduced inductor current ripple

Adaptive open-load overvoltage control method and circuit

Signal U-turn

Apparatus and methods for external programming of processor of LED driver

Control circuit for LED and active bleeder thereof

LED lighting system

Dimmable instant-start ballast

LED tube lamp compatible with different ballasts providing external driving signal

Feed forward controlled voltage to current source for LED driver

ILLUMINATION DEVICE

Fluorescent lamp-compatible LED lighting device and electric shock protection apparatus therefor

Wireless LED driver

Wireless lighting control module associated with a relay for controlling lighting power output

Occupancy sensing smart lighting system

Systems and methods for controlling the spectral content of LED lighting devices

Illumination control device

LIGHT CURING DEVICE

Systems and methods for reducing energy requirements of an electric light

LED drive circuit with improved flicker performance, and LED lighting device comprising same

Control of electrically efficient LED arrays

Apparatus and method for monitoring and limiting power to SSL devices

Diagnosis apparatus and method for detecting a defect of at least one of a plurality of light emitting diodes

Solid state steerable light

Endoscope system and light source device

SMART CONTROL/IOT SYSTEM FOR AGRICULTURE ENVIRONMENT CONTROL

Lighting system color control

INTELLIGENT LIGHTING APPARATUS

Adaptive power balancing in LED lamps

Methods and apparatuses for operating groups of high-power LEDs

Light-emitting module

Solid-state lighting control with dimmability and color temperature tunability using low voltage controller

Overvoltage protection circuit, LED backlight driving circuit and LCD

Systems and methods for current control of power conversion systems

LED light re-direction accessory

System and device for driving a plurality of high powered LED units

Load control device for a light-emitting diode light source

Multiple location load control system

Wall mounted AC to DC converter gang box

WALL MOUNTED AC TO DC CONVERTER GANG BOX

Bus voltage correction circuit

Operating device for lamps for transmitting information

Two-level LED security light with motion sensor

LED scanning array driver chip and regulation method capable of self-regulating brightness linear change

Lighting control power supply

Power supply device and LED lighting apparatus

Power supply unit and related lighting system

Circuit arrangement and method for operating semiconductor light sources

Method and circuit apparatus for detecting a failure of at least one light emitting diode in a light emitting diode arrangement

LED fluorescent lamp

Light tube and power supply circuit

LED tube lamp compatible with different sources of external driving signal

Current splitter for LED lighting system

Controllable-load circuit for use with a load control device

LED light with control circuit

Apparatus for driving light emitting device

Ripple cancellation converter with high power factor

Power management of an LED-based illumination device

LED lighting device using AC power supply

AC direct drive lamp having leakage current protection circuit

LED tube lamp with two operating modes compatible with electrical ballasts

Two-level LED security light with motion sensor

DIMMER, DETECTOR, LIGHTING CONTROL SYSTEM, CONTROLLER, AND APPARATUS CONTROL SYSTEM

Dual-Mode LED tube lamp

Semiconductor device

Apparatus and methods for boost regulators with dynamic regulation band

Boost power factor correction circuit, driving circuit for light-emitting diode and lighting device

Method of driving light-source with improved contrast ratio and display apparatus for performing the method

LED tube lamp

Light tube and power supply circuit

Light tube and power supply circuit

Light tube and power supply circuit

Super capacitor based emergency lighting system

Systems and methods for controlling the spectral content of LED lighting devices

Light devices having controllable light emitting elements

LED controller

Amplifier for a constant-current LED driver circuit and constant-current LED driver IC device

Current mirror and constant-current LED driver system for constant-current LED driver IC device

Circuits, controllers and methods for controlling LED strings or circuits

LED illumination device

Semiconductor device and electronic device

LED lamp with a brightness control device

Digital load control system providing power and communication via existing power wiring

Distributed electric lighting architecture for motor vehicle

LED fluorescent lamp

Low voltage lighting power supply systems and methods

Visible light communication apparatus and method for manufacturing visible light communication apparatus

Systems and methods for current regulation in light-emitting-diode lighting systems

LED lighting system

Ballast stabilizer-compatible lamp having leakage current protection circuit

Switching power supply device and light illuminating apparatus having the same

LED driver

Systems and methods for current regulation in light-emitting-diode lighting systems

DRIVING A MULTI-COLOR LUMINAIRE

Primary side controlled LED driver with ripple cancellation

Dual mode power supply controller with charge balance multipliers and charge balance multiplier circuits

Power source control device and power source control method

Locomotive headlight assembly

Light emitting diode lighting system

LED drive method and LED drive device

Circuit and method for controlling pulse width modulation of a current supply for a load

Driver circuit device

Load control device for a light-emitting diode light source

Lighting device, lighting apparatus, and lighting fixture

Light-emitting diode device

Load control device for high-efficiency loads

LED tube lamp

Systems and methods for vehicle lighting

Communication device using powerline and LED lighting system using the device

Add-on IPS controller for LED lighting device

Systems and methods for intelligent control related to TRIAC dimmers

LED driving apparatus and lighting apparatus including same

Light output control device, illumination system, and facility apparatus

Dimmable analog AC circuit

Control method and device employing primary side regulation in a quasi-resonant AC/DC flyback converter

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

Wireless lighting control system and its application thereof

Light emitting device and automotive lighting including the same

Apparatus for precise temperature brightness compensation of LED

Dimmable LED light

Driver circuit with extended operation range

Complementary converter for switch mode power supply

Single stage power factor corrected LED driver circuit

LED emergency lighting

Method and apparatus for dimmable LED driver

Backlight module with MJT LED and backlight unit including the same

BACKLIGHT MODULE WITH MJT LED AND BACKLIGHT UNIT INCLUING THE SAME

Power supply device with control based on setting resistor

Switched mode power supply driver integrated with a power transmission antenna

Light emitting diode (LED) driving apparatus, lighting apparatus, and current control circuit

Power Quality Enhancement

Isolation of secondary transformer winding current during auxiliary power supply generation

Intelligent illumination device

LED display apparatus

Methods, systems, and apparatus for intelligent lighting

Systems and methods of LED color overlap

Load control device for a light-emitting diode light source

LED luminaire driving circuit and method

Oscillation circuit

LED luminescence apparatus

Thermo-compression head, soldering system, and LED tube lamp

LED tube lamp

Microcontroller-based multifunctional electronic switch and lighting apparatus having the same

Lighting circuit and vehicle lamp employing same

INTEGRATED DEVICE FOR ADJUSTING DIMMING OF LEDS, AND CONTROL METHOD

LED driver adapted to electronic transformer

Warm dimming for an LED light source

Boost apparatus with integration of OCP detection and OVP detection

Apparatus, method and system for providing AC line power to lighting devices

High power rechargeable flashlight with two way universal serial bus

Pulse width modulation for a head-mounted display device display illumination system

Current driver, LED drive circuit, lighting device and electronic apparatus

Lighting apparatus using multiple LED strings with current mirror circuitry and methods of operating same

Trigger circuit, light apparatus comprising the same and trigger method