An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and an interference reflector positioned such that the emissive material is between...http://www.google.es/patents/US7182498?utm_source=gb-gplus-sharePatente US7182498 - Phosphor based illumination system having a plurality of light guides and an interference reflector
Phosphor based illumination system having a plurality of light guides and an ...