Ballast circuit

Lighting device having a shunt circuit in parallel with a light source circuit therein

AC light emitting diode and AC LED drive methods and apparatus

Semiconductor device, and on-vehicle electronic device and automobile each including the semiconductor device

Lighting Systems

Secure element having a light emitting diode

Digital Dimmable Driver

LED LAMP FAILURE ALERTING SYSTEM

High intensity light-emitting diode luminaire assembly

Optoelectronic assembly and method for detecting an electrical short circuit

Light-emitting diode electrical circuitry for illumination

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

LED driver circuit, LED circuit and drive method

Phase cut dimming control and protection

AC Light Emitting Diode and AC LED Drive Methods and Apparatus

Display system and self-checking method of the display system

Light source apparatus

Solid state power controller for aerospace LED systems

Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs

LED driving apparatus and lighting apparatus

LED tube lamp including light strip including a pad and an opening formed on the pad

Driver with open output protection

Light and light sensor

Load control device for a light-emitting diode light source

Light-emitting diode dimming driver circuit

Illumination light communication apparatus and communication module

Tube LED

Lighting circuit and vehicular turn signal lamp

HIGH VOLTAGE RESISTANT TRANSMITTING CIRCUIT FOR DEVICES COMMUNICATING ON DALI BUS

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

Light emitting diode failure detection system for a vehicle with pre-trip inspection

LED LIGHTING METHODS AND APPARATUS

Electrical load driving device

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

LED tube lamp

Temperature adaptive control circuit for a light emitting diode, lighting and/or signaling apparatus

LED tube lamp compatible with different sources of external driving signal

Light source device and display device

LED tube lamp

Card type LED driver and transportation means with card type driver

Thermal management and power supply control system for at least one light source

COLORFUL LED LIGHT STRING

Silicon-controlled rectifier current-protection circuit, related operating method, and dimming circuit and lighting device containing the same

Solid-state auxiliary lamp

LED lighting system

LED tube lamp compatible with different ballasts providing external driving signal

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

LED LAMP ASSEMBLY, BACKLIGHT MODULE, AND DISPLAY DEVICE

Apparatus and method for monitoring and limiting power to SSL devices

LED drive apparatus, systems and methods

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

Lighting system color control

Light-emitting module

Overvoltage protection circuit, LED backlight driving circuit and LCD

LED light re-direction accessory

Display with color conversion

Programmable lighting device and method and system for programming lighting device

Vehicle LED lighting device system

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

ELECTRONIC CIRCUIT FOR A BLIND-SPOT MONITORING DISPLAY

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

Lighting device, lighting arrangement comprising lighting device and method for operating a lighting device

Electronic protection against circuit reversal

Circuits, controllers and methods for controlling LED strings or circuits

Semiconductor device and electronic device

LED lighting system

DRIVING A MULTI-COLOR LUMINAIRE

In-vehicle equipment

Light emitting diode lighting system

Load control device for a light-emitting diode light source

Driving power generating circuit and a method for generating a driving power

Flexible light source

Dimmable analog AC circuit

Apparatus for precise temperature brightness compensation of LED

Portable lighting devices

LED emergency lighting

CONTROL NETWORK FOR LED-BASED LIGHTING SYSTEM IN A TRANSIT VEHICLE

AC DIRECT DRIVE LED POWER SUPPLY CAPABLE OF HANDLING OVERVOLTAGE

Dimmable lighting devices and methods for dimming same

Safety protection arrangement for a lighting arrangement

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

Packaging of LED chips and driver circuit on the same substrate

Controller for a horticultural lighting system

Boost apparatus with integration of OCP detection and OVP detection

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

LED lighting system

Apparatus and system for providing power to solid state lighting

Lighting system including a protection circuit, and corresponding method for protecting light sources from electrostatic discharges

LED lighting device and a method to verify its lifespan

Light emitting device for vehicle, lighting device for vehicle, and lighting tool for vehicle

Output circuit

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

Programmable LED driver, monitor and setting devices

Device and method for detecting a short-circuited light-emitting diode in a light device of a motor vehicle

Luminaire and method for temperature determination

LED current balancing circuit and method therefor

Lamp with variable-beam output by discretely activating LED light sources

Daisy chain grow light

Methods and apparatus for lifetime extension of LED-based lighting units

Light emitting device with low voltage-endurance components

High power microscopy illumination system with liquid cooled solid state light source (SSLS) unit

LED LIGHTING CONTROLLER

Semiconductor device

Light-emitting diode arrangement and driver arrangement for an electronic device

LED system with driver voltage clamping

Switching converter and lighting device using the same

FISHING LIGHT SYSTEM

Driving several light sources

Micro assembled LED displays and lighting elements

Light-emitting apparatus

High intensity LED illumination device with automated sensor-based control

Lighting module for emitting mixed light

Optoelectronic component with protective circuit

Solid state lighting fixtures

LED tube for directly replacing instant-start fluorescent tube

Programmable emergency lighting device including near-field communication

Light-emitting diode driving apparatus

Light and light sensor

LED driving device, illuminator, and liquid crystal display device

Driver circuit for illuminants, particularly LEDs

Light emitting diode (LED) torchiere lamp with overheat and overvoltage protection functions

Enhanced variable control, current sensing drivers with zeta scan

Driver for a light source

Over-voltage and over-current protection circuits and electronic devices

Lighting circuit, luminaire, and illumination system

Solid-state light-emitting element module and lighting assembly

Light emitting diode (LED) tube lamp

Fluorescent replacement LED lamps

Surge-protection arrangement

Circuit arrangement, light-emitting diode assembly, and method of actuating an optoelectronic component

LED Module

LED driver, lighting equipment and light fixture

Automatic power controller

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

Linear dimming LED driver circuit capable of adjusting color temperature

Dimmable AC driven LED illuminating apparatus

Light-emitting apparatus and lighting appliance provided with the same

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

Light-emitting apparatus

Composite protection circuit, composite protection element, and LED device for illumination

Half- or quarter-cycle current regulator for non-isolated, line voltage L.E.D. ballast circuits

Fault detection apparatus and fault detection method thereof

LED tube lamp

Intelligent lamp head assemblies, light sources including intelligent lamp head assemblies, and methods of operating the same

Short detection circuit for an LED driver and short detection method

LED driver and LED lighting device

Light emitting device

Drive circuit for illuminating device and illuminating device having the drive circuit

HOT PLUG MODULE AND DRIVER FOR ILLUMINATING DEVICE AND ILLUMINATING DEVICE

Overvoltage protection apparatus and luminaire having such an overvoltage protection apparatus

APPARATUS AND METHOD FOR MEASURING TEMPERATURE OF LED

LED tube lamp with overcurrent and/or overvoltage protection capabilities

Method and device for remote sensing and control of LED lights

Over-current control device and organic light emitting display device adopting the same

Calibration of a load control device for a light-emitting diode light source

LED lighting drive circuit

Automatic power controller

Device for supplying light sources with energy in a manner extending service life

LED DISPLAY SYSTEM

Display apparatus and backlight driving module

Dimming drive circuit of alternating current directly-driven LED module

Surge protection for light-emitting diodes

Backlight unit

Semiconductor light source driving apparatus and projection type display apparatus

Light string having at least one protecting circuit

LED drive device

Circuits for driving light sources

Low Current LED Lighting System

Apparatus and method for monitoring and limiting power to SSL devices

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

Single LED short detection in multichannel LED

Light emitting element driving device, light emitting device, and vehicle

Load control device for a light-emitting diode light source

LED drive circuit

Dimmable LED lighting apparatus

LED Lamp

Semiconductor device, and on-vehicle electronic device and automobile each including semiconductor device

Light source control apparatus and light source control method

Power over ethernet powered device having automatic power signature

LED driver circuit with open load detection

Control mechanism and method using RGB light emitting diodes

LED bypass and control circuit for fault tolerant LED systems

Short-circuit protection circuit and electronic device

Lighting circuit and vehicle lamp having the same

Generating a voltage feedback signal in non-isolated LED drivers

LED driver with comprehensive fault protections

LED tube driver circuitry for ballast and non-ballast fluorescent tube replacement

Method of operating backlight unit and display device including backlight unit

Switching power supply device and projection video display device

Control circuit and method for an LED external lighting unit of a vehicle

Module for lighting means with combined secondary-side measurement signal detection

LED LAMP DEVICE

Apparatus and method for LED running light control and status

Light emitting diode driving chip having eight or six pins, driving system using the light emitting diode driving chip, and related method thereof

Methods, apparatuses, and systems for operating light emitting diodes at low temperature

System and method for providing surge protection for an AC direct step driver lighting system

LED DRIVING DEVICE AND LIGHTING APPARATUS

Overheating safety device and luminaire

Illumination device and illumination fixture

Light emitting device

Micro assembled LED displays and lighting elements

Detection of a hazard condition of a load

Micro assembled LED displays and lighting elements

Illumination device and age compensation method

Driver device for light sources

Method and circuit for reducing ripple of current output by current source

LED array member and integrated control module assembly having active circuitry

Light driver and the controller and driving method thereof

Light source control device and light source control method

Lighting device, lighting arrangement comprising lighting device and method for operating a lighting device

Micro assembled LED displays and lighting elements

Micro assembled LED displays and lighting elements

Micro assembled LED displays and lighting elements

Micro assembled LED displays and lighting elements

Micro assembled LED displays and lighting elements

Apparatus for driving light-emitting diodes

Backlight module with MJT LED and backlight unit including the same

Solid state lighting apparatuses, circuits, methods, and computer program products providing targeted spectral power distribution output using pulse width modulation control

Device for LED operation

Arrangement and method for operating an arrangement

Device for operating LEDs

Thermal protection device

Current mirror circuit and method

Dimmable multichannel driver for solid state light sources

ESD protection for dynamic lighting

Method and System for Intrinsic LED Heating for Measurement

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

Control circuit of light-emitting diode lighting apparatus

High efficiency driver circuit with fast response

CURRENT ADJUSTING DEVICE AND ADJUSTMENT METHOD THEREOF

Multi-bleeder mode control for improved LED driver performance

SEPIC driver circuit with low input current ripple

LED lamp

LED fixture and LED lighting arrangement comprising such LED fixture

Agile spectrum greenhouse LED lighting fixture and control

Dimming drive circuit of alternating current directly-driven LED module

Apparatus and Method for Monitoring LED Efficiency

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

Lighting device

LED luminescence apparatus

Light emitting diode driving circuit, light emitting diode controlling circuit, and method of controlling light emitting diode

LED lighting device and method of controlling the same

Over voltage disconnect

Line protection and coupling circuit for switch sensing devices

Control method of color temperature and luminance for LED device and control system thereof

Boosting circuit, backlight driving circuit and backlight module

Methods and apparatus for compensating a removal of LEDs from an LED array

Light emitting device and method for manufacturing the same including a light-reflective resin

Backlight control circuit with flexible configuration

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

Controlled function light emitting diode lighting device and method

Light source device, lighting device, and luminaire

SOLID STATE LIGHTING APPARATUSES AND RELATED METHODS

Lighting device and luminaire using same

Lighting device and lighting system with the same

High-efficiency, wide dynamic range dimming for solid-state lighting

Dimming and voltage protection method and apparatus for solid-state lighting

LED, testing method and article

Dual polarity LED lighting device

Apparatus and method for providing indoor location information using lighting control network

Light source control device

Method and apparatus for providing power to light strings

LED light with cooling system

Light engine module, related power supply unit and lighting system

Lighting system with an interface having a power supply unit and at least one light source module

LED lighting arrangement and method of controlling a LED lighting arrangement

Fuse and resistor device for a solid state lighting device

Lighting device

LIGHT-EMITTING DEVICE

SYSTEM AND METHOD OF VARIABLE RESISTANCE LED LIGHTING CIRCUIT

High intensity LED illumination device

Lens structure for high intensity LED fixture

Supervision circuit for organic light emitting diode

Vehicular lamp

Lighting system with an interface having a power supply unit and at least one light source module

Lighting apparatus

Power supply system of one or more lighting modules with light-emitting diodes, associated lighting system and associated power supply method

Multi-port LED-based lighting communications gateway

Thermal protection structure for multi-junction LED module

Overvoltage protection circuit, LED backlight driving circuit and LCD

LED lighting system

Output circuit

LED driving device, illuminator, and liquid crystal display device

LED driving circuit

Solid state lighting device and method for operating the same

LED lighting controller

Methods and apparatus for sensing light output and controlling light output

Light source control device and light source control method

LED module

Method and system for light array thermal slope detection

Dimmable AC driven LED illuminating apparatus

APPARATUS AND METHOD FOR MONITORING LED COLOUR MIX

Undervoltage protection circuit for LED lamp