Micro-structured optical surfaces, namely, optical lenses having micro-structured surfaces for use in the field of optics for forming lenses, prisms, beam splitters, lenticulars, and reflectors; Diffractive optical structures, namely, diffractive optical lens elements, diffractive optical lenses, phase plates, optical filters, gratings, hologram apparatus, binary optical lenses, binary relief gratings, and binary optical lens elements; Optical structures for use in communication systems, namely, optical lenses, optical minors, gratings, and holograms; Overhead projectors; Liquid crystal display projectors; Rear projection liquid crystal display projectors; Back lighting systems for portable computers, monitors and televisions, consisting of optical lens, optical filters, optical minors, optical waveguides, LEDs, optical diffusers, prism films, reflective polarizers and lightguide plates; Optical plastic films and waveguides for light delivery for instrument panel applications, namely, avionic, marine and vehicle panel applications

Light diffusers; Optical diffusers

Micro-structured optical surfaces, namely, light management plastic in the form of sheets and for use in the further manufacture of lenses, prisms, beam splitters, lenticulars, and light reflectors; Tinted, laminated and reflective optical plastic films for use in instrument panel applications, namely, avionic, marine and vehicle panel applications; Optical polarizing structures, namely, tinted, laminated and reflective plastic sheets and plastic films for use in polarized light; Tinted,laminated and reflective collimating, plastic films for back lighting and overhead lighting applications