The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2010
Filed:
Jul. 01, 2009
Elisa M. Cross, Woodbury, MN (US);
Eric W. Nelson, Stillwater, MN (US);
Wei Feng Zhang, Shanghai, CN;
Judith M. Invie, Woodbury, MN (US);
Elisa M. Cross, Woodbury, MN (US);
Eric W. Nelson, Stillwater, MN (US);
Wei Feng Zhang, Shanghai, CN;
Judith M. Invie, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A reflective polarizer suitable for use in a display device is disclosed herein. The reflective polarizer comprises: a multilayer optical film comprising alternating layers of first and second polymeric layers that reflects light of a first polarization state and transmits light of a second polarization state, wherein for normally incident light of the second polarization state, the reflective polarizer has an internal percent transmission of at least 95% at 410 nm, and at most 25% at 380 nm. Also disclosed herein is a display device comprising the reflector polarizer.