Patent ID: 8643257

Claim:
An illumination source comprising: an LED assembly to output light; an MR-16 form factor heat sink coupled to the LED assembly, wherein the MR-16 form factor heat sink includes an inner core region having a first diameter and being relatively planar, an outer region comprising a plurality of fins, each fin extending radially outwardly from the first diameter of the inner core region, and a rim of a second diameter, the rim being connected to outer ends of the plurality of fins; and wherein the LED assembly is disposed on the inner core region and the first diameter is less than one half the second diameter, and wherein each of the plurality of fins comprises a plurality of trunks, each of the plurality of trunks connected to a plurality of branches having a “U” branching shape, wherein each of the plurality of branches is connected to two or more sub-branches, each of the two or more sub-branches having a “U” branching shape.