| 摘要 |
PURPOSE: A heat-sink for an LED lighting unit is provided to increase the efficiency of discharging heat to the outside through air which is circulated inside a body. CONSTITUTION: A body(10) has a penetration hole(11) passing through top and bottom of the body. An LED illumination module(50) is combined in an upper part of the body. A plurality of air current holes(20) are formed on the side of the body to flow air between the penetration hole and the outside. The air current holes are comprised of a plurality of small current holes, having a diameter which increases inward, as well as a plurality of large current holes, having a diameter which increases outward. |
