DETECTING CIRCUIT OF ARC NOISE, LIGHT SOURCE DRIVING APPARATUS HAVING THE SAME AND METHOD OF DRIVING A LIGHT SOURCE USING THE SAME

摘要

PURPOSE: A method for driving an arc noise detecting circuit of a light source driving device is provided to output high detection voltage through a current source method. CONSTITUTION: An arc noise detecting circuit of a light source driving device comprises a voltage distribution part(110) which distributes driving voltage applied to a light source, a detection part(130) which detects arc noise element in current, and an output part which outputs arc noise element as a detection voltage. The output part is connected to the detection part.