A built in beat diffusion lamp body for LED lamp was invented. The purpose of the invention is to solve the difficulties of poor heat conduction and diffusion caused by the small heat diffusion surface of the material of a conventional LED lamp. The lamp body is made of a set of heat diffusion vanes...http://www.google.com/patents/US20090016063?utm_source=gb-gplus-sharePatent US20090016063 - Built-in Heat Diffusion Lamp Body for LED Lamp
