A combination assembly of LED and heat sink includes a heat sink having a substrate and a plurality of fins, a circuit board provided on the substrate and at least one LED unit provided on the heat sink and electrically connected to the circuit board. The heat of the LED unit may be transmitted to the...http://www.google.com.au/patents/US20080170371?utm_source=gb-gplus-sharePatent US20080170371 - Combination assembly of led and heat sink
