| 摘要 |
<p>Disclosed is an LED lighting apparatus. According to one aspect of the present invention, the LED lighting apparatus comprises: a power supply unit providing an alternating current power supply; a power factor improvement circuit converting the alternating current power supply from the power supply unit into a power factor improvement power supply; a power supply device for an LED including the LED receiving the power factor improvement power supply and emitting light; a printed circuit substrate in which the LED is mounted on one surface so the LED is electrically connected to a circuit pattern; and a thermal radiation member combined to the other surface of the printed circuit substrate and emitting heat of the printed circuit substrate.</p> |
