Three-terminal LED and drive circuit thereof

Lighted sockets

Flash-LED driver discharge control

LED driver circuit and bleeder circuit

Failure detection in lighting system

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

Low-power data acquisition system and sensor interface

Driving circuit for driving LED load

Temperature Controlled High Output LED Lighting System

Protection circuit and method against interference in lighting systems

Protection circuit for use in controlling integrated circuit of light emitting diode

Failure mitigation in arrays of light-emitting devices

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

OVER-TEMPERATURE PROTECTING APPARATUS AND OVER-TEMPERATURE PROTECTING METHOD THEREOF

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

Light-emitting element driving device

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

LED-based lighting control network communication

Ceiling lamp adopting non-separating driver circuit

LED wattage reduction system for fluorescent light system

Driver with isolation and surge signal protection

Long life, fail safe traffic light

LED driver system, controller and associated method

Light-emitting diode lighting device having multiple driving stages

Methods and apparatus for sensing light output and controlling light output

LED light string with open circuit protection

Lighting system and method of retrieving status information of a lighting system

Energy saving dimmer for LED luminaire driver

Light-emitting diode and method of producing a light-emitting diode

LED light string diagnostic and repair system

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

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

LED backlight driving circuit and backlight module

Driver circuit for efficiently driving a large number of LEDs

Power Supply Circuit and Illuminating Device

Optical communication for solid-state light sources

Current limiter with active damping

Circuit arrangement and method for operating at least one luminous means

Illuminant device with over-temperature protecting function

REDUNDANT OPERATION OF A BACKLIGHT UNIT OF A DISPLAY DEVICE UNDER OPEN CIRCUIT OR SHORT CIRCUIT LED STRING CONDITIONS AND INCLUDING DYNAMIC PHASE SHIFTING BETWEEN LED STRINGS

LED actuation for running light flashers

LED backlight drive circuit

Automobile LED driving device

LED driving device, illuminator, and liquid crystal display device

LED device with voltage-limiting unit and voltage-equalizing and current limiting resistances

Light emitting diode driver

Lighting device and lighting fixture

Lighting control apparatus, lighting control system and lighting control method

Driver assembly and method for detecting an error condition of a lighting unit

LED failure detection

Light-emitting device and control method of the same

Oscillation circuit

LED lighting apparatus

Lighting fixture with integral circuit protection

ELECTRONIC DEVICE AND CONTROL METHOD THEREOF

Method and apparatus for monitoring LED beacon lights

LED lamp

Light-emitting element repair in array-based lighting devices

Luminaire with switch-mode converter power monitoring

Method and LED apparatus for lighting with LED lighting controller

Apparatus for using heat pipes in controlling temperature of an LED light unit

LED BACKLIGHT DRIVING CIRCUIT, BACKLIGHT MODULE, AND LCD DEVICE

Lighting device and luminaire including the same

Short circuit detection for lighting circuits

Apparatus and method for providing AC line power to lighting devices

Load driving apparatus related to light emitting diodes

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

Diode lighting arrangement

Light-emitting device circuit and method of operating thereof

Driver circuit of light sources

Method of detecting a LED failure, a controller therefor, a lighting unit and lighting system

Light source apparatus and vehicle headlight using the same

Current limiting circuit and method for LED driver

Methods and systems for controlling LEDs

PFC LED driver capable of reducing flicker

Method and apparatus for providing power to light strings

Control circuit and control method of light emitting device circuit

LED lighting device

Electronic ballast for operating at least one first cascade of LEDs and one second cascade of LEDs

Current sharing circuit for LED lighting

Failure mitigation in arrays of light-emitting devices

Airfield lighting sustem

Connector with surge protection structure

LED lighting device

Remote intelligent monitoring system and LED street lamp applied thereto

Lighting device, lighting apparatus using the same, and lighting system

Directional indicator and straddle type vehicle directional indicator system including the same

Thermal de-rating power supply for LED loads

Method and apparatus for current derating with integrated temperature sensing

Light emitting element lighting device and lighting fixture using same

Load driving apparatus related to light-emitting diode lamp and method thereof

Lighting module for emitting mixed light

Backlight control circuit with under current detection and start-up control

Light source module and light source system

Electronic circuit to monitor a temperature of a light emitting diode

LED light bulb with failure indication and color change capability

LOAD DRIVING APPARATUS RELATING TO LED LAMP AND METHOD THEREOF AND ILLUMINATION APPARATUS USING THE SAME

Method for light emitting device protection and performance in an appliance

Medical light source device

Control loop arrangement, circuit arrangement and method of regulating a load-coupled current source and the supply voltage therefor

LED bypass and control circuit for fault tolerant LED systems

Driver circuit for solid state light sources

Open circuit protecting circuit, open circuit protecting method and illuminating apparatus

Current Limiting LED Driver

Apparatus and method for bypassing failed LEDS in lighting arrays

Method and system for driving light emitting elements

Dimmable multichannel driver for solid state light sources

Light-emitting apparatus and lighting appliance provided with the same

LED backlight drive circuit, liquid crystal display device and driving method

Light array maintenance system and method

LED emitting device and driving method thereof

Control device for lighting LED and detecting breakage thereof

Intrinsically safe display device with an array of LEDs

Control device for lighting LED and detecting breakage thereof

Illumination system and illumination method

LED thermal protection structures

LED lighting device

Systems and methods for data communication from an LED device to the driver system

Systems and methods for regulating LED currents

Short circuit detection circuit and control method thereof

Detecting circuit for short of LED array and LED driving apparatus using the same

Lighting device and illumination apparatus

Short protection control circuits and related control methods

Lighting device including a drive device configured for dimming light-emitting diodes

Thermal protection structure for multi-junction LED module

Supervision circuit for organic light emitting diode

Semiconductor light source lighting circuit

Current-shunting alternating current light-emitting diode driving circuit

Load driving circuit with charge spike protection

Unlit LED circuit bypass element with system and method therefor

Backlight unit and method for controlling LED

LED driving device, illuminator, and liquid crystal display device

Lighting unit and method of controlling

Semiconductor device, LED driving circuit, and apparatus for displaying an image

LED lighting system, LED lamp, and illumination system for LED

Light emitting diode driver

Directly driven high efficiency LED circuit

Lighting device, and headlight lighting device, headlight, and vehicle using same

Illumination device

Lighting device and illumination apparatus including same

Switch control circuit, switch controlling method, and power supply device using the switch control circuit

Safety flashing detector for traffic lamps

Light emitting diode driver having phase control mechanism

Light emitting diode driver having cascode structure

Light source temperature monitor and control

Charging circuit for a charge accumulator and method for charging the same

Circuit for operating parallel light emitting diode strings

Light-emitting diode driving device, light-emitting diode device, and method for driving the same

Light-emitting element driving device

Semiconductor component and method

Light emitting device

Power source unit for LED lamps, and LED lamp system

Lighting system with a plurality of LEDs

Method for the operation of illuminants

Lighting device of a motor vehicle

LED thermal management

LED power-supply detection and control

LED arrayuminaires with max power applied to LEDs based on the lighting requirements for the LED in a dynamic lighting plan

Fault protector for opto-electronic devices and associated methods

Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof

Solid state lighting apparatus with configurable shunts

LED lighting controller with cascading signaling

LED thermal management system and method

LED lighting methods and apparatus

Linear solid-state lighting with multiple switches

Circuit for controlling delivery of an electrical signal to one or more light-emitting diode strings

Light emitting diode circuit with accurate current monitoring of two or more different LED strings

Fixture mount sensor with remote energy usage reporting

Infrared based controller for RGB lamp strip

Address detective method for parallel connection LED lighting system and parallel connection LED lighting system

Constant current device and heat dispersion module thereof

Filter LED lamp arrangement

Power line resistance sensing device

LED fluorescent lamp emulator circuitry

Vehicular lighting device and vehicular lamp

LED fluorescent lamp emulator circuitry

Current driving control for high brightness LED matrix

Lamps having current leakage protection, systems and methods of use

Independently-addressable light control relay, controller incorporating same, and method for controlling same

Input protection circuit

Light emitting diode control circuit with hysteretic control and low-side output current sensing

LED fault detection circuit and LED control circuit using the same

Light emitting diode driver for load changes

Plug structure of light emitting AC electric power cord

Sequencing method for light-emitting diode lamp string

Individual LED short circuit detection

Method and system for controlling functionality of lighting devices from a portable electronic device

Light emitting diode light device

LED tube with safety device

Lighting system and method for dynamically regulating driven current to an analog or digital dimming interface

Feedback circuit capable of regulating response according to variation of dimming signal

Method and system for controlling functionality of lighting devices from a portable electronic device

Vehicle light detector device (VLDD)

Failure detection and alerting circuit for a differential mode surge protection device in an LED driver

High efficiency flicker attenuator for lighting

Light emitting diode bulb, control system and apparatus

Circuit and method for LED current regulation and ripple control

Outdoor lighting system controlled using motion sensor interface

Synchronization for light-source driver circuitry

Single-emitter lighting device that outputs a minimum amount of power to produce integrated radiance values sufficient for deactivating pathogens

Low cost LED light string for pre-lit christmas trees

Programmable control elements for illumination systems

Redundant power for lighting system

Self-healing overtemp circuits in LED lighting systems

Light fixture with internally-loaded multilayer stack for pressure transfer

LED driver circuit with three level step dimming interface

2-D lamp with integrated thermal management and near-ideal light pattern

Standalone light emitting diode (LED) controller

Solid state lighting panel

AC LED driver circuit

Tunable LED

LED lamp arrangement adapted to replace fluorescent lamp in luminaire with ballast

Resistive protection to prevent reverse voltage breakdown in anti-parallel wired LEDs

Methods and apparatus of incandescent bulb emulator

Resistive protection to prevent reverse voltage breakdown in anti-parallel wired LEDs

Multi-stage LED driver with current proportional to rectified input voltage and low distortion

LED control circuit

LED lighting device

Turn on optimization

Safety switch apparatus, universal LED tube having the safety switch apparatus, and power system of the universal LED tube

Light-emitting diode runway end identifier light system

LED elevated light fixture and method

Method and system for optical communication

Driver circuit with a common interface for negative temperature coefficient resistor and bi-metallic strip temperature sensing

Surge suppressor