An LED light may comprise a light emitting diode selectively energizable for producing light; an electronic circuit for selectively energizing the light emitting diode; and a heat sink of a thermally conductive material, wherein the light emitting diode is thermally bonded to the heat sink; and wherein...http://www.google.se/patents/US7883243?utm_source=gb-gplus-sharePatent US7883243 - LED flashlight and heat sink arrangement
