Flicker-free linear LED drive circuit

Systems and methods for controlling railroad highway crossing flashers

Systems and methods for controlling illumination coverage of visual alarm devices

Time slicing method for multi-channel color tuning using a single current source input

Cascading LED lights with low power consumption

Adaptive power control for pulsed laser diodes

Wirelessly Controllable Lighting Modules

Controllable micro light emitting diode system and method

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

Switching converter, control circuit and control method thereof

LED system with driver voltage clamping

Load control device having a wide output range

Solid state lighting assembly

Two-level LED security light with motion sensor

Solid-state lighting with multiple time delays

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

LED drive circuit, LED drive device, and LED drive system

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

Scalable self-regulating circuits comprising trimmable and non-trimmable sections

LED display structures and fabrication of same

Load control device for a light-emitting diode light source

Low-dropout current regulator for light head

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

Retrofit LED lamp

Driving circuit apparatus for automatically detecting optimized driving voltage of light string

Linear regulated dimmable LED driver for DC distributed lighting system

High efficiency LEDs and LED lamps

Illumination system with color-changing lights

Lighting apparatus including light-emitting diodes

CIRCUIT MODULE, CIRCUIT ARRANGEMENT, LIGHT SOURCE AND METHOD FOR SYNCHRONIZING DRIVING OF AT LEAST TWO ELECTRICAL DEVICES

Color temperature controlled and low THD LED lighting devices and systems and methods of driving the same

LED LIGHT RE-DIRECTION ACCESSORY

LED lighting apparatus

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

Controlling output voltage for power converter

System and method for controlling output signal of power converter

Light emitting diode (LED) driving circuit with common current sensing resistor and configured to drive LED groups, method of driving the circuit and light apparatus having the same

Overdrive dimming

Matched filter techniques configured to fire led using a sloped response

High brightness LED matrix driving system

Linear constant current drive circuit

LED LIGHT DEVICE

Adaptive power regulation of LED driver module for emergency lighting

Optoelectronic device and adaptive illumination system using the same

Alternating-current LED drive circuit

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

IRRADIATION SYSTEMS FOR CURING TARGETS, RELATED CURING SYSTEMS, AND RELATED METHODS

Load control device having a wide output range

Head lamp lighting system of a vehicle and its control method

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

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

System and method of illuminating livestock

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

LED lighting fixture and adjustment of color temperature thereof based at least in part on detected toggle input

Two-level LED security light with motion sensor

Ballast independent retrofit LED lamp with flicker reduction circuitry

Circuit assembly and method for simulating a load current from an on-board electrical system

Lifestyle security light

LED lamp power supply

Line voltage compensation circuit, led drive system and drive method

Light emitting device

Lifestyle security light

Modular lighting application

Load control device having a wide output range

Control device and related user interfaces and techniques for controlling solid-state lighting device emissions

Lighting apparatus

Systems and methods for bleeder control related to lighting emitting diodes

Light-emitting diode driving module, method of operating thereof, and lighting apparatus including the same

Two-level LED security light with motion sensor

Segmental driving of light emitting circuits

Glitch compensation in electronic circuits

Systems and methods for a voltage snubber circuit utilized with light fixtures

Compact LED light engine

Configuration for a load regulation device for lighting control

Light-actuated wide voltage range LED lamp driver circuit

Light source control device and image forming apparatus

Driver for light emitting devices using sequential coupling

Lighting device, luminaire, and signboard

Current source shared by a plurality of light emitters

LED driver headroom voltage control systems and methods

LED driver gate clamp systems and methods

LED retrofit lamp with a strike barrier

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

Solid state lighting assembly

LED security light and LED security light control device thereof

LED system with driver voltage clamping

USB-powered utility tool

LED arrangement and LED driving method

Curtain-configured light strings

Light emitting assembly and method for operating a light emitting assembly

Lighting apparatus

Light-emitting diode driving module, method of operating thereof, and lighting apparatus including the same

LED driver and illumination system related to the same

High efficiency LEDs and LED lamps

LED driving device

Apparatus and methods for supplying power

Lighting device and movable body

Light source drive device and vehicle lamp

Optoelectronic circuit with light-emitting diodes

DRIVER CIRCUIT

Lamp driver card to control lighting of a lamp load or a LED on a wayside of a railway system

Method and apparatus for retrofitting fluorescent tubes to light emitting diodes

Voltage-dependent connection of individual light sources

Optoelectronic circuit with light-emitting diodes

High tolerance auto-ranging AC LED driver apparatus and methods

Driving light emitting elements with reduced voltage drivers

Lighting device

Method for operating an optoelectronic assembly and optoelectronic assembly

Light emitting element and light emitting device including the same

Apparatus for controlling brightness of mobile phone screen

Lighting device and luminaire

SYSTEMS AND METHODS FOR CONTROLLING THE SPECTRAL CONTENT OF LED LIGHTING DEVICES

Two-level security light with motion sensor

Alternating current-driven light emitting element lighting apparatus

Solid-state circadian rhythm lamp and related control techniques

LED light re-direction accessory

Toggle control for lighting system

Plug-in multifunctional LED power system

LED LAMP ARRANGEMENT

Life-style LED security light

System-in-package for LED driving and LED lighting device including the same

Low flicker AC driven LED lighting system, drive method and apparatus

Method for detecting environmental illumination and a fixture built-in motion sensor thereof

Adjusting color temperature in a dimmable LED lighting system

Light emitting diode driving circuit

Control system for phase-cut dimming

LED device and control unit thereof

High power, sinusoidal LED driver with temperature stabilization feedback and photomultiplier system

LED drive circuit

Control circuit, control method and LED driving circuit thereof

Lighting circuit and vehicular lamp

LED lighting circuit with controllable LED matrix

Two-level LED security light with motion sensor

Two-level LED security light with motion sensor

Electrical lighting circuit for a portable light

Control circuit and method of LED lighting apparatus

Ripple suppression method, circuit and load driving circuit thereof

LED driver

Bidirectional LED light string

Optoelectronic circuit comprising light-emitting diodes

LED driving device

System and method for controlling output signal of power converter

Controlling output voltage for power converter

Overload protection for power converter

Adaptive overvoltage protection for multifunction LED chain

COLOR DIMMING SYSTEM AND METHODS OF OPERATING THE SAME

Optoelectronic circuit and method for operating an optoelectronic circuit

Semiconductor component and light emitting device using same

Control circuit, control method and LED driving circuit thereof

Load control device for a light-emitting diode light source

Two-level LED security light with motion sensor

LED drive circuit

Portable lighting device

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

UNIVERSAL LED DRIVER SWITCHING CIRCUIT

Reserve power and control for light sources in a light fixture

Lighting apparatus

Toggle control for lighting system

Method for operating an optoelectronic assembly and optoelectronic assembly

LED light source for industrial inspection

Method and apparatus for correcting for power harmonics

Light unit driver system

Color temperature controlled and low THD LED lighting devices and systems and methods of driving the same

Dynamic control circuit

Feed forward controlled voltage to current source for LED driver

Two-level LED security light with motion sensor

Two-level LED security light with motion sensor

Solid-state lighting structure with light modulation control

Synchronous switching circuit

Notification appliance

Wiring boards for array-based electronic devices

Wiring boards for array-based electronic devices

Methods and apparatus for lighting unit configure for presence detection

Lighting apparatus

LED lighting system

Modular integrated lighting circuit

LED LIGHTING MODULE HAVING TUNABLE CORRELATED COLOR TEMPERATURE AND CONTROL METHOD THEREOF

LED retrofit lamp with a strike barrier

Spectral shift control for dimmable AC LED lighting

LED driving apparatus and lighting apparatus including the same

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

LED module

Light emitting device with low voltage-endurance components

LED AC drive circuit

LED system with driver voltage clamping

Two-level LED security light with motion sensor

Light emitting device for AC power operation

Driving several light sources

LED strobe

Two-level LED security light with motion sensor

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

Bidirectional LED light string

Low-overhead current generator for lighting circuits

Backlight driving apparatus

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

Bleeder for improving dimming of LED

Arrangement and method for controlling a plurality of light-emitting diodes which are connected in series

Enhanced variable control, current sensing drivers with zeta scan

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

Light source driving circuit and method

Solid-state light-emitting element module and lighting assembly

LED lighting device

Light emitting element driving apparatus

Lighting device, head light and vehicle

Analog and digital dimming control for LED driver

LED driver

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

LED BACKLIGHT SOURCE USED IN LCD DEVCICE AND LCD DEVICE THEREFORE

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

Light source unit and lighting fixture

Backlight driving circuit, electronic device and backlight driving method

Illumination apparatus including semiconductor light emitting diodes

Automatic short LED detection for light emitting diode (LED) array load

Apparatus for supplying electrical energy to a consumer

Control circuit of light emitting diode lighting apparatus

High efficiency LEDs and LED lamps

Light-emitting diode lighting device with synchronized PWM dimming control

LED lighting circuit

Modular light mountable on a handgun

CURRENT ROUTING TO MULTIPLE LED CIRCUITS

LED security light and LED security light control device thereof

Board-mounted parallel circuit structure with efficient power utilization

Lighting device, luminaire using lighting device, and lighting system using luminaire

Electronic ballast for operating at least a first and a second cascade of LEDS

Adaptive direct current (DC) to DC (DC-to-DC) light emitting diode (LED) driver for dynamic loads

Illumination device and light-emitting diode circuit

Balanced AC direct driver lighting system with a valley fill circuit and a light balancer

System and method of illuminating livestock

LED lighting drive circuit

Dimming drive circuit of alternating current directly-driven LED module

Dual mode operation light-emitting diode lighting device having multiple driving stages

LED lighting apparatus and control circuit thereof

Reduction of harmonic distortion for LED loads

LED lighting apparatus and control circuit thereof

LED drive current adjustment for irradiance step response output

Light string having at least one protecting circuit

Control system for phase-cut dimming

LED driving device for dynamic segment configurations and the LED lighting apparatus thereof

Method for minimizing LED flicker of an LED driver system

LED lighting apparatus with improved flicker index

Light source substrate, display apparatus, and light source substrate inspection method

Two-level LED security light with motion sensor

SIGNAL SMOOTHING DEVICE AND BACKLIGHT DEVICE INCLUDING THE SAME

DUAL CONTROL LED DRIVER

Control circuit and method for generating voltage for light emitting diode lighting device

LIGHT-EMITTING DEVICE CAPABLE OF ADJUSTING BRIGHTNESS

Apparatus for driving light emitting diode

Driving circuit for light-emitting element with burst dimming control

LED lighting apparatus with improved heat radiation property

LED driver

LED lighting device

Controllable-load circuit for use with a load control device

Circuit and method of correcting a power factor for AC direct lighting apparatus

Device having a plurality of driver circuits to provide a current to a plurality of loads and method of manufacturing the same

LED driving circuit using double bridge diode and LED illumination device comprising same

Apparatus for driving light emitting diode having a current switch

Smooth brightness adjustment for color-tunable light source module

BACKLIGHT DEVICE

Driving device for LED and the driving method thereof

LED driver circuit

Control circuit of LED lighting apparatus

LED lighting apparatus

High efficiency LEDs and LED lamps

Control circuit of LED lighting apparatus

LED drive circuit

LED array member and integrated control module assembly having active circuitry

Two-level LED security light with motion sensor

Two-level LED security light with motion sensor

LED retrofit lamp with a strike barrier

Retrofit LED lighting system with circuit level enhancement

Driving circuitry for LED lighting with reduced total harmonic distortion

LED circuit and driving method thereof

DEVICE FOR DRIVING LIGHT EMITTING DIODE MODULE AND METHOD FOR DRIVING LIGHT EMITTING DIODE MODULE

Illumination apparatus including semiconductor light emitting diodes

LED (light-emitting diode) string derived controller power supply

Lighting means insertion detection

Control circuit of light-emitting diode lighting apparatus

LED luminescence apparatus and method of driving the same

Low power bypass circuit for LED open circuit and reverse polarity protection

OPERATING DEVICE FOR ILLUMINANT

Agile spectrum greenhouse LED lighting fixture and control

Device for controlling a storage device

LED driving circuit for continuously driving LED, LED lighting device comprising same and driving method

LED lighting apparatus with colour mixing

LED luminescence apparatus

Current control circuit for linear LED driver

AC lighting system with a control unit for controlling power of an LED

Apparatus for controlling on and off states of light emitting diode lamp

AC-driven LED lighting apparatus with multi-cell LED

LED strip lighting device for a cabin of a passenger aircraft

Hybrid dimming control techniques for lighting drivers

Light source device, lighting device, and luminaire

Light emitting diode string driving method

Compensation of a Color Locus Shift

LED, testing method and article

LED driving apparatus and driving method for continuously driving LED

Lighting system and control circuit for the same

AC-direct drive-type LED driving device

Multi-stage LED lighting systems

Improving the accuracy of an exponential current digital-to-analog converter (IDAC) using a binary-weighted MSB