Drive circuit for LED module

LED lamp with ballast detection and method thereof

Light emitting device for AC power operation

LED driver device, and television receiver

Light emitting diode driving apparatus and light emitting diode lighting apparatus

Portable lighting device

LED switch circuitry for varying input voltage source

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

AC direct drive lighting system for providing uniform light distribution

Structure of LED light set

LED drive circuit

High efficiency LEDs and LED lamps

Driving circuit and illumination device having light-emitting elements

Wiring boards for array-based electronic devices

AC LED array configuration switching circuit triggered by source voltage level

LED driver

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

LED dimmer, LED lighting device comprising same, and method for controlling dimming of LED lighting device

Three-terminal LED and drive circuit thereof

Lighted sockets

Wiring boards for array-based electronic devices

Methods and apparatuses for operating groups of high-power LEDs

Light emitter driving device and lighting appliance therewith

LED light source

Reduction of harmonic distortion for LED loads

Light emitting component and light emitting device using same

LIGHT EMITTING DIODE DRIVING DEVICE

Light generating device

LED array member and integrated control module assembly having active circuitry

Bi-level dimming controller for LED light fixture

Structure of color mixture synchronization circuit of LED light string

LIGHT EMITTING DIODE DRIVING CIRCUIT AND LIGHT EMITTING DIODE ILLUMINATION APPARATUS INCLUDING THE SAME

Dynamically reconfigurable LED drivers and lighting systems

Driver for arrays of lighting elements

Two-level LED security light with motion sensor

LED array member and thermally decoupled integrated control module assembly

Lighting device

Dual-purpose lamp

Electronic device for driving light emitting diodes

Light-emitting device, and light source for lighting and lighting apparatus using the same

Light emitting diode power supply apparatus

Semiconductor light emitting devices having selectable and/or adjustable color points and related methods

Driver for driving LED backlight source, LED backlight source and LCD device

Illumination apparatus including semiconductor light emitting diodes

Long life, fail safe traffic light

Light source control device and game machine

Backlight driving apparatus

Topology of distributing and connecting LEDs in a large area matrix

LED driving device

Smart FET circuit

LED device with shared voltage-limiting unit and individual equalizing resistance

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

Multi-segment LED driving circuit

Control circuit of light emitting element

Illumination apparatus and light emitting module

Solid-state lighting apparatus and methods using energy storage

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

Self-adaptive drive circuit and LED lamp with the same

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

Control panel, control method thereof and clothes treating apparatus having the same

Circuit and method for independent control of series connected light emitting diodes

AC LED lighting apparatus

Optical communication for solid-state light sources

Solid state lighting apparatus and methods using integrated driver circuitry

Led reading light and method of replacing an LED reading light

Lighting source and lighting apparatus

Method and apparatus for altering a color of a mixture of light provided by mixing outputs of light from multiple lamps

LED driver operating in different modes

Apparatus for driving multi-color LED strings

Solid state lighting apparatus including separately driven LED strings and methods of operating the same

Driver circuit for LEDs for time-of-flight calculation

High performance adaptive switched LED driver

Adjusting color temperature in a dimmable LED lighting system

Light-emitting device and control method of the same

LED driver apparatus

AC LED lighting apparatus using voltage edge detector

AC LED lighting apparatus using voltage edge detector

Controller, a driver circuit and a method for controlling a dimmable LED lighting circuit, and a dimmable LED lighting circuit

LED lighting apparatus

Self-adaptive LED fluorescent lamp

Apparatus for driving light emitting diode

Color temperature adjustment for LED lamps using switches

Driver circuit of light sources and vehicle light provided with said driver circuit of light sources

Low intensity dimming circuit for an LED lamp and method of controlling an LED

Circuitry to control a switching regulator

Method for driving a light-emitting unit and circuit therefor

Wiring boards for array-based electronic devices

Apparatus for driving light emitting diode array and liquid crystal display device using the same

Double-output high-efficiency LED light-modulating circuit

Portable lighting device

LED DRIVING APPARATUS AND METHOD

Light source drive circuit

LED drive circuit

LED lighting device with improved modulation depth

Light-emitting element and display device

Control device and light source device

Light-emitting element, display device and electronic apparatus

System and method for programming a configurable load control device

LED lighting device

Light emitting module

DC-DC converter and organic light emitting display device using the same

Spectral shift control for dimmable AC LED lighting

Temperature foldback circuit for LED load control by constant current source

Apparatus for controlling the operation of an LED, and method for controlling drive current thereof

Method of powering flashlight tailcaps

Current source having an improved dimming device

LED DRIVING APPARATUS AND OPERATING METHOD THEREOF

Solid-state lighting apparatus and methods using energy storage with segment control

LED backlight driving circuit and LED backlight driving method

Light-emitting device

Wiring boards for array-based electronic devices

Apparatus for driving a plurality of segments of LED-based lighting units

Light emitting device control circuit device and control method of the control circuit device

LED driver having compensation capacitor set

LED driving device and LED driving method using same

Phase Shift Generating Circuit

Light emitting device for AC power operation

POWER SUPPLY CIRCUIT

Light emitting chip and light emitting device having the same

Interface circuit for a light source

LED driver circuit, method of driving and vehicle light

Driver device and driving method for driving a load, in particular an LED assembly

Light emitting diode driving circuit and driving method thereof

Lighting device

LED lighting apparatus and control circuit thereof

Actuating a plurality of series-connected luminous elements

Apparatus and method for bypassing failed LEDS in lighting arrays

Semiconductor circuit and semiconductor apparatus

Flash driver to limit a load current of a flash and method to limit a load current of a flash driver

Light-emitting diode driver circuit and LED light source

Light-emitting device

Switch controller, switch control method, and power supply device comprising the switch controller

Driving device, flasher device, and projector

Light emitting component and light emitting device using same

LED circuit arrangement

Driving circuitry for LED lighting with reduced total harmonic distortion

Demand-side initiated dimmable LED lamp

Light emitting device for AC power operation

LED current balance driving circuit

Reduction of harmonic distortion for LED loads

Bi-level dimming controller for LED light fixture

System and method for driving light emitting diodes

Actuation of a lighting module

Smart FET circuit

Method and apparatus for increasing dimming range of solid state lighting fixtures

Light emitting system with light emitting power stabilization

Current controlling circuit for a light-emitting diode driver and producing method therefor

LED driver with compensation of thermally induced color drift

Solid-state lighting apparatus and methods using energy storage

Adaptive circuit

Light engine with LED switching array

LED driving circuit package

Illumination system

Light emitting element driving circuit

Light-emitting diode module and method for operating the same

Apparatus and methods for optical control of lighting devices

Light emitter driving device and lighting appliance therewith

Current control circuit and associated method

Pulse width modulation fault mode for illuminating device drivers

Backlight module and display apparatus

Light source drive device, optical scanning device and image forming apparatus

Extended persistence and reduced flicker light sources

Constant current power supply apparatus

Illumination control through selective activation and de-activation of lighting elements

Backlight device

Light-emitting device

Light-source module and light-emitting device

Light-emitting device

Lighting apparatus using a non-linear current sensor and methods of operation thereof

Circuits and methods for driving light sources

Controlled power dissipation in a lighting system

Thermal management in a lighting system using multiple, controlled power dissipation circuits

Driving apparatus for light-emitting diode curtain lamp

Apparatus and methods for supplying power

LED switch circuitry for varying input voltage source

Adaptive power factor correction for a lighting load circuit

Liquid crystal display device

Pixel and organic light emitting display device using the same

Backlight unit, method for driving the same, and liquid crystal display device using the same

LED driver and driving method

Controllable-load circuit for use with a load control device

Circuit topology for driving high-voltage LED series connected strings

Light emitting device for AC power operation

Dual voltage and current control feedback loop for an optical sensor system

Voltage compensation driving circuit

USB-powered lamp strip controller

Micro light-emitting diode driving circuit and display using the same

LED driver with brightness control and driving method thereof

Light-emitting diode lighting system with automatic bleeder current control

Isolated dimming circuit

Light emitting diode driving apparatus with switch control circuit

Systems to control dimming operations of a light-emitting diode light fixture using multiple dimming modes

Active LED module with LED and vertical MOS transistor formed on same substrate

Pulse modulation for isolated auxiliary voltage and dimming signal transfer over single opto-isolator

Current regulator

LED controller

Warm dim circuit for use with LED lighting fixtures

Self-healing lighting device

Low-flicker light-emitting diode lighting device

Phase-cut dimming circuit with wide input voltage

Driving light emitting elements with reduced voltage drivers

System and method for controlling light emitting diodes using backplane controller or enclosure management controller

Filament simulation circuit for LED tube

Multifunction DC to DC driver

LED lighting

LED control circuit

Low-noise current regulation circuits

Illumination device and method for determining a maximum lumens that can be safely produced by the illumination device to achieve a target chromaticity

Illumination device and method for avoiding an over-power or over-current condition in a power converter

LED element with color light enhancement function

Alternating current (AC) line voltage determination

Buck regulator for LED lighting color mixing and/or current compensation