Patent ID: 8760084

Claim:
A driving apparatus of a fluorescent tube, comprising: a conversion unit, receiving an alternating current (AC) power, and converting the AC power to provide a direct current (DC) power; a power factor correction unit, coupled to the conversion unit, for performing a power factor correction to the DC power; a driving unit, coupled to the power factor correction unit, for generating an AC driving signal in response to an output of the power factor correction unit, so as to drive a first fluorescent tube installed on a lamp holder; and a detection unit, coupled to the driving unit, for simultaneously and separately detecting whether a high side filament and a low side filament of the first fluorescent tube are broken, wherein when at least one of the high side filament and the low side filament is broken, the detection unit make the driving unit to stop generating the AC driving signal, and when the broken first fluorescent tube originally installed on the lamp holder is replaced by a good second fluorescent tube, the detection unit makes the driving unit to regenerate the AC driving signal to drive the second fluorescent tube.