optical polymeric film for improving picture quality in liquid crystal displays, rear and front slide projection systems, signs and video systems; reflective signs; neon signs; focusing screens; color enhancement screens; screens for rear and front projection; depixilating screens; screens for use with 3-D projectors; 3-D projection and display systems comprised of projectors and projection screens; camera lenses; video camera lenses for incorporation into electronic equipment; and parts therefor
Electrical and Scientific Apparatus