A durable optical film or element includes a polymerized structure having a microstructured surface and a plurality of surface modified colloidal nanoparticles of silica, zirconia, or mixtures thereof. Display devices including the durable microstructured film are also described....http://www.google.fr/patents/US7309517?utm_source=gb-gplus-shareBrevet US7309517 - Durable optical element
