AN INTERFACE CIRCUIT AND AN EXTERNAL CIRCUIT

Segmental driving of light emitting circuits

Multi-channel independent control circuit of lighting power supply

Programmable feed-forward regulation

Segmental driving of light emitting circuits

Control apparatus and lighting apparatus with first and second voltage converters

Enhanced variable control, current sensing drivers with zeta scan

Voltage converter and lighting apparatus incorporating a voltage converter

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

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

Drive system of semiconductor light source, and semiconductor lighting device

Fault condition of detection circuit

Phase angle measurement of a dimming circuit for a switching power supply

Zero-voltage-switching (ZVS) piezoelectric driving circuit

Display device, inverter apparatus and method of driving lamps

Current-preheat electronic ballast and resonant capacitor adjusting circuit thereof

Device and method for using high efficiency ballasted lamps with electronic transformer

High intensity discharge lamp control circuit and control method

Control apparatus incorporating a voltage converter for controlling lighting apparatus

Lighting apparatus for fluorescent tube and driving method therefor

Device for controlling a plurality of electrical consumers

BALLAST EFFICIENCY IMPROVEMENT FOR FLUORESCENT LAMPS

Two level lighting ballast

Circuit arrangement for a piezo transformer, and method therefor

VARIABLE-INDUCTOR ELECTRONIC BALLASTS

Phase angle measurement of a dimming circuit for a switching power supply

LIGHTING DEVICE, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE

Lamp driving circuit

Transformer and liquid crystal display apparatus having the same

Phase angle measurement of a dimming circuit for a switching power supply

AC POWER SOURCE APPARATUS

Fluorescent lamp with balanced lamp tube electric potentials

Current balance circuit having protection function, and power supply

LIGHTING DEVICE AND DISPLAY DEVICE

SYNCHRONOUS OPERATION SYSTEM FOR DISCHARGE LAMP LIGHTING APPARATUSES, DISCHARGE LAMP LIGHTING APPARATUS, AND SEMICONDUCTOR INTEGRATED CIRCUIT THEREOF

Bipolar power control

Resonant power converter comprising a matched piezoelectric transformer

BACKLIGHT DEVICE AND DISPLAY EQUIPPED WITH THE DEVICE

Two-stage balancer for multi-lamp backlight

LCD backlight driving device with an isolating transformer

Method and structure of forming a fluorescent lighting system

Lamp driving circuit

Multiple lamp driving device comprising balance transformer

METHODS AND APPARATUS FOR A HIGH POWER FACTOR, HIGH EFFICIENCY, DIMMABLE, RAPID STARTING COLD CATHODE LIGHTING BALLAST

Changing power input to a gas discharge lamp

ENERGY SAVING LUMENS SETTABLE DEVICE FOR FLUORESCENT LAMPS

DRIVING APPARATUS AND METHOD FOR FLUORESCENT LAMP

Piezoelectric transformer driving device, cold-cathode tube inverter, cold-cathode tube driving device, and image forming apparatus

Multi-lamp driving circuit

Backlight driving system

Luminescent lamp lighting device

Flourescent lamp whose ballast has an output power that is regulated for flourescent tubes of different power specifications

Light source driving circuit

Backlight driving system

Backlight Device, Display Device, and Television Receiver

Backlight apparatus and transformer thereof

Driver for backlight unit

Method for controlling a half-bridge circuit and corresponding half-bridge circuit

Parallel transformer with output side electrical decoupling

Methods and apparatus for driving discharge lamps

DC/AC converter and controller thereof

PIEZOELECTRIC TRANSFORMER DRIVING CIRCUIT

ELECTRIC-DISCHARGE-LAMP LIGHTING APPARATUS

Liquid crystal display device

Balancer board for backlight device

Circuit arrangement and method for starting and operating one or more discharge lamps

Inverter circuit and lamp control apparatus having the same

PIEZOELECTRIC TRANSFORMER LIGHT ADJUSTING NOISE REDUCTION CIRCUIT

Inverter with protection function

Voltage fed programmed start ballast

BACKLIGHT MODULE

DIMMER NOISE REDUCING CIRCUIT OF PIEZOELECTRIC TRANSFORMER

Discharge lamp lighting apparatus

Ballast circuit

DISCHARGE LAMP LIGHTING APPARATUS

Complementary application specific integrated circuit for compact fluorescent lamps

Dimmable instant start ballast

Method and apparatus for controlling a discharge lamp in a backlighted display

ENERGY SAVINGS CIRCUITRY FOR A LIGHTING BALLAST

Methods And Apparatus For Dimmable Ballasts With A High Power Factor

Combined ballast for fluorescent lamp and light emitting diode and method of driving same

Backlight apparatus capable of short prevention and voltage feedback compensation

Cold-cathode fluorescent lamp (CCFL) current control circuit

Piezoelectric cascade resonant lamp-ignition circuit

Discharge lamp lighting apparatus

MULTI-LAMP BACKLIGHT APPARATUS

Balance transformer and backlight apparatus

GAS DISCHARGE LAMP DRIVER CIRCUIT WITH LAMP SELECTION PART

Lighting Device

Backlight unit and liquid crystal display device including the same

Method and system for eliminating DC bias on electrolytic capacitors and shutdown detecting circuit for current fed ballast

Circuit with improved efficiency and crest factor for current fed bipolar junction transistor (BJT) based electronic ballast

Locked phase active power current control circuit

Thermal foldback for linear fluorescent lamp ballasts

Multiple discharge lamp lighting device

RARE GAS FLUORESCENT LAMP, LAMP LIGHTING APPARATUS, AND LIQUID CRYSTAL DISPLAY DEVICE

AC power supply system for balanced energization of a plurality of loads

Power supply for an LCD display

DISCHARGE LAMP LIGHTING APPARATUS

Programmed ballast with resonant inverter and method for discharge lamps

POWER SUPPLY DEVICE AND LIGHT-EMITTING DEVICE AND ELECTRONIC EQUIPMENT USING SUCH POWER SUPPLY DEVICE

Electronic ballasts without toroidal-magnetic-core and fluorescent lamps employ the same

Circuit for driving light sources using balanced feedback signal

LIGHTING DEVICE WITH CONTROLLABLE LIGHT INTENSITY

Method and system of controlling a power inverter

Radio Station and Method of Operating a Radio Station

COLD CATHODE FLUORESCENT LIGHTING DISCHARGE TUBE DEVICE

INVERTER APPARATUS

Current balancing module

Liquid crystal display apparatus and liquid crystal television

Hybrid power supply system

Method and circuit for driving gas discharge lamps using a single inverter

Ballast with socket-to-fixture voltage limiting

Fluorescent lamp driver

Parallel lighting system for surface light source discharge lamps

Resonant inverter

Multiple-light discharge lamp lighting device

Driver circuit having power factor correction function implemented with sinusoidal waveform method

Transformer, backlight apparatus, and display apparatus

Transformer and multi-lamp driving circuit using the same

Lamp driving circuit and display apparatus having the same

Backlight unit having protection circuit using induced voltage detection

BACK LIGHT UNIT AND TRANSFORMER

Resonant DC/AC inverter

Multiple discharge lamp lighting apparatus

Variable inductive power supply arrangement for cold cathode fluorescent lamps

Two-end driven lamp controlling device

Electronic ballast

Inverter and driving device of backlight module

Half-bridge CCFL driving apparatus

Device for driving light source module

Electronic ballast with improved inverter startup circuit

Light source unit, illumination apparatus for display apparatus, and display apparatus

Electrical circuit with dual stage resonant circuit for igniting a gas discharge lamp

Transformer for driving multi-lamp and backlight module thereof

Electronic ballast with preheating and dimming control

Circuit, Manufacturing Method And Inverter circuit For Discharge Tube

Driving circuit for lamp

Liquid crystal display backlight inverter

Discharge lamp lighting apparatus

Method for starting a discharge lamp using high energy initial pulse

Backlight inverter and method of driving same

Inverter apparatus

Transformer apparatus, inverter transformer, and drive circuit

Discharge Lamp Operating Device

POWER SUPPLY SYSTEM FOR DRIVING LAMPS

Discharge tube drive circuit

METHOD AND APPARATUS FOR EQUALIZING CURRENT IN A FLUORESCENT LAMP ARRAY

Voltage fed inverter for fluorescent lamps

Apparatus for driving lamps and liquid crystal display having the same

METHOD FOR INCREASING PROFIT IN A BUSINESS TO MAINTAIN LIGHTING OPERATIONS IN AN OFFICE BUILDING OR OTHER PLACE OF BUSINESS

Multi-output piezoelectric inverter and transformer thereof

Backlight module, inverter, and DC voltage generating method thereof

Lighting device of discharge lamp, illumination apparatus and illumination system

Piezoelectric ignition circuit for lighting fixtures

Electronic stabilizer used for hand-held lamp

DA/AC convert for driving cold cathode fluorescent lamp

Matrix inverter for driving multiple discharge lamps

Power converter

Power system and method for driving plural lamps

Cold cathode tube lighting device, tube current detecting circuit used in cold cathode tube lighting device, tube current controlling method and integrated circuit

Discharge lamp lighting apparatus

Current balancing techniques for fluorescent lamps

Equalizing discharge lamp currents in circuits

Current balancing technique with magnetic integration for fluorescent lamps

Device for driving light sources

Smoothing circuit for improving EMC

Power supply system for flat panel display devices

Device for the control of fluorescent lamps in a lighting arrangement

Capacitive coupling to aid ignition in discharge lamps

Method for controlling an inverter under altering voltage

Nested balancing topology for balancing current among multiple lamps

Electronic ballast for a fluorescent task lamp

Illumination apparatus for a fluorescent task lamp

Driving circuit for multiple cold cathode fluorescent lamps backlight applications

Power supply apparatus and display apparatus

Cold cathode tube lighting device and driving method and integrated circuit to be used in same

Bridge type phase detection device

Multi-lamp drivers and transformers thereof

Multiple-CCFL parallel driving circuit and the associated current balancing control method for liquid crystal display

Floating drive circuit for cold cathode fluorescent lamp

Circuit arrangement for operating discharge lamps

Discharge lamp and control of the same

Maximum/minimum value output circuit

Discharge lamp lighting apparatus for lighting multiple discharge lamps

Discharge lamp lighting apparatus for lighting multiple discharge lamps

Dimming control techniques using self-excited gate circuits

Discharge lamp lighting apparatus for lighting multiple discharge lamps

Method and apparatus for controlling a discharge lamp in a backlighted display

Resonant inverter including feed back circuit with source of variable bias current

Backlight driving system for a liquid crystal display device

Ballast with braking inductance

Parallel lighting system for surface light source discharge lamps

Power supply for an LCD panel

Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus

Discharge lamp driving apparatus

Starting device for a high-pressure discharge lamp, and an illuminating system

Method and apparatus for optimizing power efficiency in light emitting device arrays

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

Dimmable ballast with resistive input and low electromagnetic interference

Systems and methods for fault protection in a balancing transformer

Systems and methods for a transformer configuration for driving multiple gas discharge tubes in parallel

Systems and methods for a transformer configuration with a tree topology for current balancing in gas discharge lamps

Circuit arrangement for operation of one or more lamps

Dimming control techniques using self-excited gate circuits

CCFL circuit with independent adjustment of frequency and duty cycle

Driving circuit for flat display

Wireless controlled lighting system with shared signal path on output wires