Light emitting assemblies include at least one light source, an optical film with deformities, an optical conductor, and at least one light input surface for receiving light from the light source. The optical conductor has a pattern of deformities on or in the front and back sides to cause light to be...http://www.google.com.au/patents/US7703967?utm_source=gb-gplus-sharePatent US7703967 - Light emitting panel assemblies
