DURABLE OPTICAL ELEMENT

Application 856/CHENP/2006 published 2007-06-22, filed 2006-03-10
ABSTRACT A durable optical film (11) includes a polymerized optical film structure having a microstructured surface and a scratch contrast ratio value in a range of 1.0 to 1.65 or 1.0 to 1.15. These durable optical films can include a plurality of nanoparticles and a rounded prism apexes microstructure.

Applicant

1)3M INNOVATIVE PROPERTIES COMPANY
:3M Center, Post Office Box 33427, Saint Paul, MN 55133-3427 U.S.A.

Inventor

1)JONES, Clinton, L.; 2)KOLB, Brant, U.; 3)GOENNER, Emily, S.; 4)BRADY, John, T.; 5)HAAK, Christopher, A.;

International Info

Classification: G02B 5/12
Publication Number: WO 2005/026793
Application Date: 2004-09-13

Priority Information

10/662,085 U.S.A. 2003-09-12