A light source that utilizes light emitting diodes that emit white light is disclosed. The diodes are mounted on an elongate member having at least two surfaces upon which the light emitting diodes are mounted. The elongate member is thermally conductive and is utilized to cool the light emitting diodes....http://www.google.com.au/patents/US6815724?utm_source=gb-gplus-sharePatent US6815724 - Light emitting diode light source
