Dimmer with a power supply circuit

Power supply unit, system and method for coalescence of multi-phase liquid mixtures

LED LUMINAIRE MULTIPLEXING WITH CONSTANT CURRENT DRIVER

Control method and driving circuit for light emitting diode

Control apparatus for light emitting diodes

Controller for controlling light source module

Circuit for linearly driving LED illumination based on MCU-controlled color temperature switching

Light source driving apparatus and current adjusting method thereof

Active shunt filtering

Dynamic driver voltage headroom adjustment

Shared power topology for LED luminaires

LED driver systems and methods

Flicker-free linear LED drive circuit

Kappa switching DC-DC converter with continuous input and output currents

Driving light emitting diodes and display apparatus

Driving light emitting diodes and display apparatus

Method and apparatus for continuous conduction mode operation of a multi-output power converter

Methods and systems of operating DC to DC power converters

LED driver system for streetlights

Driver, controlling method and illumination system

Hybrid driving scheme for RGB color tuning

LED LIGHT APPARATUS WITH ADJUSTABLE CHARACTERISTIC

Apparatus and method for detecting faulty charge pump capacitor

Lighting device control system comprising a matching module and an RF module and using a matching code and an activation code

Semiconductor device

Modular power supply system

Load control device having an overcurrent protection circuit

Ripple suppressor

Systems and methods for low power pulse oximetery

Dimming control of lighting modules

Method for driving a plurality of light emitting diodes and drive circuit

Integrated circuit, dimmable light-emitting diode driving circuit and driving method

LED auto-detect system for wide output voltage range LED drivers

AC-DC power converter

Light emitting diode driving device and light emitting diode backlight module

LED driving circuit and LED apparatus

Vehicle lamp and lighting circuit

Apparatus, dimmable light emitting diode driver and control method

LED lighting device driven by boosting alternating current

DC-DC converter circuit configuration

Illumination lighting apparatus, illumination device, and illumination fixture

Arbitrary-ratio analog current division circuit

LED current ripple elimination circuit applicable to very low TRIAC dimming depth

LED drive circuit with a programmable input for LED lighting

LIGHTING APPARATUS, LAMP, VEHICLE, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM

Systems and methods for dimming control using TRIAC dimmers

Switching converter, control circuit and control method thereof

Lighting apparatus, luminaire, movable object, control method, and non-transitory recording medium

Solid-state lighting with a reduced temporal light artifact

LED lighting system

LED lighting driver and drive method

Modular solar lighting and power management system and apparatus

Luminaire bus system

Solid-state lighting with complementary controls

Load control device having a wide output range

Led driver with ability to operate at arbitrarily low input voltages

LED dimming method, regulatable LED driver, electronic apparatus and readable storage medium

LIGHT-EMITTING APPARATUS, OPTICAL MEASURING INSTRUMENT, IMAGE FORMING APPARATUS, AND LIGHT-EMITTING DEVICE

LED traffic light

Semiconductor light-emitting device driving apparatus controlling output light from light-emitting device in accordance to PWM modulation signal

Emergency lighting converter

Electronic ballast interface circuit

Solid state lighting assembly

Devices, methods, and systems for alternating current circuits for airfield lighting

Load control device for controlling a driver for a lighting load

Load control device for high-efficiency loads

Two-level LED security light with motion sensor

LED lighting methods and apparatus

Solid-state lighting with multiple time delays

Dimming control circuit, dimming control method and LED driver thereof

Load control device for a light-emitting diode light source having different operating modes

Vehicle occupant monitoring system and method

Operating device having a test switch and status indicator

Light-Emitting Device and Camera

Power supply circuit and LED driving circuit

Driver for LED device and LED system

Power supply device

Load control device for a light-emitting diode light source

Load control device for a light-emitting diode light source

Apparatus and methods for controlling LED light flux

Load control device for a light-emitting diode light source

LED tube lamp

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

Electronic device

Weapon mounted light and operation thereof

Light control circuit and optical encoder system

Method and device for adjusting a voltage supply device for a multichannel LED control and power supply device

LED lighting methods and apparatus

Electronic lighting device and method for manufacturing same

Lamp dimming circuit with electricity leakage preventing function

Solid-state lighting with emergency power management

LIGHTING DEVICE, SYSTEM AND METHOD FOR CONTROLLING A LIGHTING DEVICE

Load control device having a controllable filter circuit

Power converter and control method thereof

Adjustable voltage constant current light emitting diode (LED) driver for automotive headlights

Bidirectional electronic switch and dimmer comprising a light emitting device to illuminate a photo-activated electronic device

Electronic converter and related method of operating an electronic converter

DC/DC resonant converters and power factor correction using resonant converters, and corresponding control methods

Methods and apparatus for TRIAC-based dimming of LEDs

Current source circuit and LED driving circuit

Multi-mode dimming control method and dimming circuit

Movable solar power apparatus

Data generation method, data reproduction method, data generation device and data reproduction device

Control device for an LED light and method for controlling an LED light

LED luminaire with constant current per-module control

Power converter with current matching

Solid-state lighting with dual mode operations

Systems and methods for stage-based control related to TRIAC dimmers

Constant current drive circuit

Lighting system and driving circuit thereof

LED lighting methods and apparatus

Lighting system with configurable color temperatures

Light emitting device, optical measurement apparatus, and image forming apparatus

Multi-output dimmable class-2 power supply in accord with american standard

LED drive circuit and method thereof

Method and apparatus for sequencing outputs in a multi-output power converter system

Synchronous converter

Power supply apparatus

Method of tuning light color temperature for LED lighting device and application thereof

Detection circuit and detection method for a triac dimmer

LED lighting system

Load control device for a light-emitting diode light source

LED driver with silicon controlled dimmer, apparatus and control method thereof

LED lighting device and luminaire

Method and apparatus for horticultural lighting to better simulate the sun

Circuit assembly for operating a load

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

AC light emitting diode and AC LED drive methods and apparatus

Circuit and method for detecting current zero-crossing point and circuit and method for detecting load voltage

Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereof

X-ray imaging apparatus

Systems and methods for stage-based control related to TRIAC dimmers

LED drive circuit with a programmable input for LED lighting

System and method for shaping input current in light emitting diode (LED) system

Control circuit and control method for lighting circuit, and lighting circuit

Electric power systems including centralized switched mode power supplies

AC light emitting diode and AC LED drive methods and apparatus

LED-based light fixture

Electronic lighting device and method for manufacturing same

Method for driving LED tube lamp

LIGHT SOURCE POWER SUPPLY

Driving circuit using buck converter capable of generating sufficient voltage to power a LED circuit and associated auxiliary circuitry in a normal mode of operation, and insufficient to power the LED circuit but sufficient to power the associated auxiliary circuitry in an off mode of operation

LIGHT EMITTING ELEMENT DRIVING DEVICE AND DRIVING METHOD THEREOF

Arrangement for a photodetector circuit for low power applications, and a corresponding method and a computer program product

Adaptor, power supply system and power supply method thereof

Power factor correction circuit, control method and controller

Downlight with selectable lumens and correlated color temperature

PROTECTION CIRCUIT, DRIVE SYSTEM, CHIP AND CIRCUIT PROTECTION METHOD, AND DRIVE METHOD

PROTECTION CIRCUIT, DRIVE SYSTEM, CHIP AND CIRCUIT PROTECTION METHOD, AND DRIVE METHOD

LED lighting system

Circuits and methods for controlling an intensity of a light-emitting diode light source

LED control circuits

Micro light-emitting diode display driver architecture and pixel structure

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

LED tube lamp

Modular lighting panel

N-color scalable LED driver

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

Systems and methods for intelligent dimming control using TRIAC dimmers

AC/DC converters having power factor correction

Solid-state lighting with a luminaire control gear

Controller, light source driving circuit and method for controlling light source module

Systems and methods for regulating LED currents

Systems and methods for regulating LED currents

LED driver with silicon controlled dimmer, apparatus and control method thereof

Constant current linear driver with high power factor

LED lighting system

Portable solar power management system

Solid State Lighting Systems

Backlight device, and display device provided with same

Electronic lighting device

High efficiency LEDs and LED lamps

LED lighting system and device

Systems and methods for providing power and data to devices

Load control device for a light-emitting diode light source

Driver and lighting module

AC light emitting diode and AC LED drive methods and apparatus

SIGNAL TRANSMITTER, COMMUNICATION SYSTEM, AND LIGHTING SYSTEM

Apparatus, method and system for a light fixture driving circuit

Lighting apparatus including light-emitting diodes

AC light emitting diode and AC LED drive methods and apparatus

Package structure and LED illumination module

Electronic lighting device and method for manufacturing same

Electronic lighting device

Dimmer control circuit, method and system

Method for automatically regulating bleeder current and LED silicon-controlled-rectifier dimming circuit

Improving THD for a direct AC LED lighting device

Elongated lamp tube, ballast and kit thereof

Current drive circuit

Load control device having stuck relay detection

Electronic lighting device and method for manufacturing same

Wireless controller for a lighting fixture

MICROLED DISPLAY PANEL

Switch based lighting control

Enhancing contrast of LED lighting

Turn-on procedure for a load control device

LED driver adapted for gang boxes

LED LIGHT RE-DIRECTION ACCESSORY

LED lighting apparatus

RIDE THROUGH MODE IN LED BACKLIGHT DRIVER FOR AUTOMOTIVE IDLE STOP AND COLD CRANK OPERATION

LED lighting system

Tapped single-stage buck converter LED driver

Tapped single-stage buck converter LED driver

AC light emitting diode and AC LED drive methods and apparatus

Visible light communication apparatus

LED lighting system with battery for demand management and emergency lighting

LED lighting methods and apparatus

LED tube lamp

LED insect light trap with light transmissive glue board

Data generation method, data reproduction method, data generation device and data reproduction device

Data generation method, data reproduction method, data generation device and data reproduction device

Data generation method, data reproduction method, data generation device and data reproduction device

Data generation method, data reproduction method, data generation device and data reproduction device

Strobe apparatus having light-emitting semiconductor module driven by two-stepped drive current

Load control device for a light-emitting diode light source having different operating modes

Solid-state lighting with a battery backup control

LED driver circuit, corresponding device and method

Signal generating circuit and signal generating method, driving circuit of light emitting device and display device

Switched mode power supply driver integrated with a power transmission antenna

Controlling output voltage for power converter

Error amplification apparatus and driving circuit including the same

LED tube lamp

Bicycle light

Protection circuit for dimmer, and dimmer

Average current and frequency control

CONTROL SYSTEM

Voltage transducer for a lighting system

System and method for driving light source comprising voltage feedback circuit and current feedback circuit

System and method for controlling output signal of power converter

Multiphase AC power supply with correction of distortions of consumed current

Vehicle light assembly having strobe light

LIGHT-EMITTING MODULE AND LIGHT-EMITTING DEVICE

Power supply system

CONTROL DEVICE FOR LIGHT EMITTING ELEMENT, CONTROL METHOD FOR LIGHT EMITTING ELEMENT, LIGHTING APPARATUS

Method and apparatus for operating a semiconductor light source

LED driving circuit and method for balancing efficiency and power factor

Current modulation circuit, a driving circuit, and a method for driving a lighting load with current modulation

Self-heating anti-ice-snow LED working lamp

LED tube lamp

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

Light-emitting circuit with harmonic distortion reduction

Load control device for a light-emitting diode light source

PWM signal generating system and light device driving system

Driver circuit for controlling brightness of light-emitting diode using switch unit and lighting control unit

Linear constant current drive circuit

Low voltage lighting power supply systems and methods

Lighting system of alternate current light-emitting diodes

Adaptive power regulation of LED driver module for emergency lighting

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

LED ghost image removal

Power converter controller, power converter, and corresponding methods

Intelligent control circuit and controller for traffic LED signal lamp

Devices, methods, and systems for alternating current circuits for airfield lighting

Driver circuit for light-emitting component

Control of isolated auxiliary power supply and DALI supply for sensor-ready LED drivers

Method and apparatus for phase-controlling a load

Lighting module and method of controlling a lighting system

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

Retrofit light emitting diode, LED, tube for enabling step dimming in a multilamp luminaire lighting system

Solid-state lighting with an interface between an internal control voltage and an external voltage

Apparatus, dimmable light emitting diode driver and control method

Power supply device, semiconductor integrated circuit, and method for suppressing ripple component

LED lighting assembly and drive circuit

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

LED light fixture

Quasi-analog digital pulse-width modulation control

Selective power supply device for incandescent lamp or light-emitting diode

Driver circuit for providing constant voltage to an auxiliary circuit

Load control device having a wide output range

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

Method and apparatus for horticultural lighting with current sharing

Driveless LED fixture

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

Multi-mode power supply for an LED illumination device

Solid-state lighting with multiple control voltages

LED lamp with constant current dimming drive circuit based on PWM input

Power converter, LED driver and control method

Head lamp lighting system of a vehicle and its control method

Electronic device for displaying image comprising first and second LEDs, first TFT, and one of non-self-luminous display or light emitting control unit

Electronic converter

LED tube lamp and driving method therefor

LED control and driving circuit capable of both analog and digital dimming

Dimming controllers and dimming methods capable of receiving PWM dimming signal and DC dimming signal

Power converter, LED driver and control method

Transformerless single-phase unified power quality conditioner (UPQC) for large scale LED lighting networks

Adaptive burst generation for use with a DC-output converter

Control device having buttons with automatically adjustable backlighting

LED drive circuit and LED lamp

Micro lighting device

Solid-state light source dimming system and techniques

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

Electronic ballast-based device for controlling electronic control circuit and lighting lamp

Dynamic power supply for light emitting diode

Solid-state lighting with an adapted control voltage

Systems and methods for stage-based control related to TRIAC dimmers

Method of generating stable direct current signal, silicon controlled switch dimming method and device

Forward converter having a primary-side current sense circuit

Dynamic lighting method and device

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

Lighting apparatus facilitating reading