Control apparatus for light emitting diodes

Self-repairing lighting system and method

Method for testing light-emitting unit

Method for detecting a defect in an LED string and electronic circuit with at least one LED string

Lamp failure detecting device, method for setting lamp failure detecting device, light source failure detecting device, method for setting light source failure detecting device, and lamp assembly

CALIBRATION OF CLOUD-BASED INFORMATION FOR LIFETIME PREDICTION OF LUMINAIRES

Trailer lighting outage detection circuit

Devices and systems having AC LED circuits and methods of driving the same

Overvoltage detection circuit with first and longer second response times

LED LAMP FAILURE ALERTING SYSTEM

Solid state transducers with state detection, and associated systems and methods

Image sensor system and image sensor

Overdrive dimming

LIGHT-EMITTING MODULE AND LIGHT-EMITTING DEVICE

Adaptive ripple in a solid state lighting driver circuit

CURING LIGHT DEVICE ASSEMBLY

External assessment device for a lighting system and method of assessing a lighting system

Direct LED lighting system and method

Devices, systems, and methods for maintaining light intensity in a gateway based lighting system

AIRCRAFT NAVIGATION LIGHT AND AIRCRAFT COMPRISING THE SAME

Abnormality detection apparatus and notification apparatus

Lighting system and a method of estimating an end of life of at least one lamp thereof

Solid-state lighting system operated with a high DC voltage

LED failure detecting device

Determining property of unchanged load device

Underwater LED light with replacement indicator

LED-BASED ILLUMINATION MODULE ON-BOARD DIAGNOSTICS

Method for determining a light-emission capacity of a light emitting diode

Variable frequency LEDs and time-based frequency-variable drivers for LED lighting

Devices, systems, and methods for maintaining light intensity in a gateway based lighting system

Sensor board for luminaire/lighting system

Devices, systems, and methods for maintaining luminaire color temperature levels in a gateway based system

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

Exterior aircraft light unit and method of disabling a light output of an exterior aircraft light unit

End of life prediction system for luminaire drivers

Device outage detector including a current detector and a voltage detector

System and method for predicting emergency lighting fixture life expectancy

Auto addressing using functional connection

LED fixture and LED lighting arrangement comprising such LED fixture

Trailer lighting outage detection circuit

Detection of the partial and/or total failure of a group of light sources on a vehicle

Devices and systems having AC LED circuits and methods of driving the same

Luminance control apparatus and luminance control method

Method for identifying a short circuit in a first light emitting diode element, and optoelectronic subassembly

Location independent lighting sensor system

Light and method for operating a light

High intensity replaceable light emitting diode module and array

High-bay light-emitting diode (LED) light fixture

Method for operating an optoelectronic assembly and optoelectronic assembly

Exterior aircraft light unit and aircraft comprising the same

Light assembly with integrated test facility

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

Solid state transducers with state detection, and associated systems and methods

Trailer lighting outage detection circuit

LED lighting system having at least one heat sink and a power adjustment module for modifying current flowing through the LEDs

Safety protection arrangement for a lighting arrangement

Flexible electrical connection of an LED-based illumination device to a light fixture

Electroluminescent device with short detection circuit

Exterior aircraft lighting device

A LIGHTING SYSTEM

Method and device for determining life expectancy information of an LED module

Lighting communication advertising packets

LED backlight driving circuit and method for detecting failure thereof

Electrical circuit and a method for measuring the power consumption of an LED lighting device

Method and system for driving LED lamp

Variable lumen output and color spectrum for LED lighting

LED lighting circuit

LED driver, lighting system and driving method with prolonged lifetime of luminous output

AC driven LED light with digital control of color and intensity

Monitoring and control device and method for an illumination apparatus

Method and device for remote sensing and control of LED lights

Method for predicting failure of a light-emitting diode

Variable lumen output and color spectrum for LED lighting

Direct LED lighting system and method

Devices and systems having AC LED circuits and methods of driving the same

LED LAMP WITH VARIABLE INPUT POWER SUPPLY

Electronic device

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

LED fixture and LED lighting arrangement comprising such LED fixture

Method and apparatus for the diagnosis of a faulty light-emitting means

Auxiliary power supply for AC powered electronics

LED power supply

Status indicating light unit and aircraft comprising the same

DISTRIBUTED STREET LIGHTS ENERGY REMOTE MONITORING, COMMAND AND CONTROL

Updating an airfield lighting system with an LED light source

Variable lumen output and color spectrum for LED lighting

Sensors with LED Light Sources

Aircraft light unit and aircraft having such aircraft light unit

Electrical wiring device

Optoelectronic component device

LED signal lamp

Methods and systems of proactive monitoring of LED lights

High efficiency LED driving circuit and driving method

Circuit arrangement for controlling at least one load

Semiconductor light source driving apparatus and a projection type display apparatus

Techniques for assessing condition of leds and power supply

Long life, fail safe traffic light

Lighting systems with uniform LED brightness

Auxiliary power supply for lighting driver circuitry

Lighting driver having multiple dimming interfaces

Illumination apparatus and light emitting module

LED lighting control apparatus and LED lighting control system using the same

Underwater LED light with replacement indicator

Vehicle lighting outage detection circuit

Systems and methods of preventing strobing light output

Supplemental load circuit for low power traffic lamps

Electrical wiring device

Method and device for remote sensing and control of LED lights

Redundant light supply for silicon photonic chip

Method and apparatus for monitoring LED beacon lights

Redundant operation of a backlight unit of a display device under a shorted LED condition

LED ENGINE AND CONTROL SYSTEM

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

Solid state lighting device and driver configured for failure detection and recovery

Health monitoring of lights

Lumen depreciation management

System for manufacturing power supply unit and method for manufacturing supply unit, and flicker measurement apparatus

Airfield lighting sustem

LED PAPI with condensation protection

LED-based illumination module on-board diagnostics

Flexible electrical connection of an LED-based illumination device to a light fixture

Internal power supply control device having at least one lighting control device for a motor vehicle

LED flash light and method for indicating near-end-of-life status of such an LED flash light

Power supply for light emitting diodes (LEDs)

Multi-screen display apparatus and luminance control method

Method and apparatus for LED string short circuit detection and protection

Over-temperature handling for lighting device

Temperature curve compensation offset

Overcurrent handling for a lighting device

Over-voltage handling of lighting device

Solid state transducers with state detection, and associated systems and methods

Circuit for controlling current to light-emitting diode (LED)

Lamp

Method of characterising an LED device

Circuit for detection and control of LED string operation

LED traffic signal fault logging system and method

LED driver with end-of-life detection circuitry

Apparatus and method for sensing failure

Circuit for operating parallel light emitting diode strings

System using shunt circuits to selectively bypass open loads

End-of-life bulb circuitry

Method of calculating a used time of a light source, method of displaying lifetime of a light source using the method and display apparatus for performing the method

Light emitting diode fault monitoring

Automotive lighting with automatic brightness adjustment

Self-healing lighting device

Color based half-life prediction system

Near field communication devices, methods and systems

Circuit and method for monitoring and reporting the remaining useful life of an LED module