In various embodiments of the invention, an interferometric display device is provided having an external film with a plurality of structures that redirect light from an inactive area of the display to an active area of the display. Light incident on the external film that would normally continue towards...http://www.google.de/patents/US20090296194?utm_source=gb-gplus-sharePatent US20090296194 - OPTICAL FILMS FOR DIRECTING LIGHT TOWARDS ACTIVE AREAS OF DISPLAYS
