A multi-function, multi-layer optical film is disclosed herein. The most basic structure of the optical film contains a first hard coat layer on a front surface of a transparent substrate. The first hard coat layer can integrate in itself the anti-glare, anti-smudge, anti-UV, and anti-static functions...http://www.google.de/patents/US20080095997?utm_source=gb-gplus-sharePatent US20080095997 - Function-Enhancing Optical Film