A heat-dissipating structure for a LED lamp includes a heat-dissipating base, a heat-dissipating body and a plurality of heat pipes. The heat-dissipating body has an outer cylinder formed into a hollow cylinder. The inside surface of the outer cylinder is provided with a plurality of accommodating grooves....http://www.google.com/patents/US20080007954?utm_source=gb-gplus-sharePatent US20080007954 - Heat-Dissipating Structure For LED Lamp