PLANAR LIGHT-SOURCE PULSE-TYPE DRIVING CIRCUIT USING A CURRENT SOURCE

摘要

A planar light-source driving circuit may include: a voltage source applying a DC voltage; an inductor supplying current depending on the DC voltage applied by the voltage source; a transformer having a primary side connected to the inductor and a secondary side connected to a planar light source, the transformer applying a pulse voltage to the planar light source using the current supplied from the inductor; and first and second switches respectively connected between both ends of the primary side of the transformer and a ground, the first and second switches controlling the current supplied to the transformer by on/off switching operations.