Backlight module having detecting circuit and direct current...

Backlight unit, display apparatus comprising the same and...

Balancing transformers for multi-lamp operation

Ballast

Ballast and method of feeding a fluorescent lamp

Ballast and method of feeding a fluorescent lamp

Ballast and method of feeding a fluorescent lamp

Ballast circuit

Ballast circuit and method for optimizing the operation of high

Ballast circuit for a fluoroescent lamp

Ballast circuit for compact fluorescent lamp

Ballast circuit for fluorescent lamp

Ballast circuit for fluorescent lamps

Ballast circuit for gas glow discharge devices

Ballast circuit for high intensity discharge lamps

Ballast circuit for metal halide lamp

Ballast circuit for operating a gas discharge lamp

Ballast circuit for powering gas discharge lamp

Ballast circuit with controlled strike/restart

Ballast circuit with lamp current regulating circuit