Electronic ballast for lighting unit and lighting apparatus

DEVICE FOR IGNITION AND OPERATING DISCHARGE TUBES BY USING ENERGY IMPULSE AND RESONANCE CIRCUIT

DC/AC inverter

UV sterilization system

Method of controlling an operating frequency of an electronic dimming ballast

Lips backlight control architecture with low cost dead time transfer

Electronic circuit for driving a fluorescent lamp and lighting application

Light source apparatus

SINGLE CHIP BALLAST CONTROLLER CAPABLE OF PROVIDING BRIGHTNESS LEVELS OVERVIEW AND BRIGHTNESS SETTING OF A FLUORESCENT LAMP

DC/AC inverter

Intensity balance for multiple lamps

DUAL ENDED DRIVER CIRCUIT FOR LCD BACKLIGHT AND THE METHOD THEREOF

Electronic ballast with step up/down power factor correction DC-DC converter suitable for high input voltage applications

Control device for controlling the output of one or more full-bridges

Switchable current supply for auxiliary current circuits in a current converter

Discharge lamp lighting device and light fixture

Backlight Device, Display Device, and Television Receiver

Circuit configuration for operating at least one discharge lamp and method for generating an auxiliary voltage

Feedback circuit for DC/AC inverter

Power supply apparatus

Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system

High voltage high side transistor driver

Circuit configuration for starting and operating at least one discharge lamp

THREE-LEVEL DIMMING CIRCUIT FOR DISCHARGING LAMP

Inverter for a liquid crystal display device with soft start circuit to overcome power loss in transistor switching

Inverter driver and lamp driver using the same

ELECTRIC DISCHARGE LIGHT-REGULATION MATCHING CIRCUIT

HIGH FREQUENCY HIGH INTENSITY DISCHARGE BALLAST

FLUORESCENT LAMP AND BALLAST WITH BALANCED ENERGY RECOVERY PUMP

Alternating current power supply device and integrated circuit for alternating current power supply device

Driving system for electronic device and current balancing circuit thereof

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

Starting fluorescent lamps with a voltage fed inverter

Lamp ballast circuit

Light source driving device

Inverter circuit with single sampling unit and liquid crystal display with same

LCD BACKLIGHT DRIVING DEVICE WITH AN ISOLATING TRANSFORMER

High efficiency resonant ballast

Driving circuit for hot cathode fluorescent lamps

HIGH EFFICIENCY DC TO AC POWER CONVERTER

Current-mode resonant ballast

Multiple discharge lamp lighting apparatus

Lamp driving circuit for a discharge lamp and a control method thereof

AC power supply apparatus

Discharge-lamp lighting apparatus

High frequency driver for gas discharge lamp

Power supply devices

High voltage high side transistor driver

DC/AC inverter

Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system

High efficiency DC to AC power converter

Display apparatus and power supplying apparatus for lamp unit thereof

Electronic ballast for at least one lamp

Driving method of external electrode fluorescent lamp inverter for backlight

Electroluminescent lamp driving circuit and method

Discharge lamp lighting apparatus and luminaire

DC/AC inverter

Electronic ballast for a high-pressure discharge lamp having a current-measuring device

Circuit arrangement and method for operation of lamps

Current-mode resonant inverter circuit for discharge lamp

Driving circuit for inverter

Pulse width modulation inverter circuit and control method thereof

DC/AC inverter

Lamp driving device

Method and apparatus for driving discharge lamps in a floating configuration

Dimming control techniques using self-excited gate circuits

Circuit for the operation of light sources

Liquid crystal display device, and light source driving circuit and method to be used in same

Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system

Charge pump circuit to operate control circuit

Current control circuit

Dimming control techniques using self-excited gate circuits

Method and apparatus for a voltage controlled start-up circuit for an electronic ballast

LED driver providing constant output power across a wide output voltage and current range