| 摘要 |
A light source driving device 100 for a light source unit 30 having at least one light emitting diode (LED) receiving power from the driving device, in which the driving device is arranged to be compatible with a ballast stabilizer 20 for a fluorescent lamp and includes a transformer unit 110 including a primary winding part Co1, the impedance of which is matched to that of a fluorescent lamp in a lit state, and a secondary winding part Co2; a rectifying diode 120; a filter unit 140; and an open loop preventing unit including a freewheeling diode 130 providing a closed loop to the filter unit such that power stored in the filter unit is applied to the light source unit when the rectifying diode 120 is turned off. |
