A flashlight structure with a heat-dissipation device is disclosed. The flashlight structure includes a base having a conducting point isolated with the base; a high-power luminary disposed on the base and having an anode electrode connecting with the conducting point and a cathode electrode connecting...http://www.google.de/patents/US6921181?utm_source=gb-gplus-sharePatent US6921181 - Flashlight with heat-dissipation device
