| 摘要 |
In the present invention, provided are a heat sink having an excellent heat dissipation performance, a method for using extruding to easily manufacture the heat sink, and a light emitting diode (LED) lighting apparatus including the heat sink by providing an inner area of a hollow hole with opened both ends in an axis direction on a central axis, and providing a plurality of airways for connecting the inner area of the hollow hole to the outside along a perimeter direction in a perimeter. |
