摘要 |
A lighting apparatus, a lighting system and a lighting control method are disclosed. The lighting apparatus includes an LED module, a heat sink for emitting heat generated from the LED module, a rectifier for rectifying an input commercial AC power, a transformer including a main coil and an auxiliary coil to transform the rectified power, and an electronic module for biasing a current used to drive the LED module based on the input voltage transported via the auxiliary coil. |