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:
Jan. 10, 2012
Filed:
Mar. 31, 2006
Mark J. Pellerite, Woodbury, MN (US);
Eileen M. Flaherty Haus, St. Paul, MN (US);
Tzu-chen Lee, Woodbury, MN (US);
Mark J. Pellerite, Woodbury, MN (US);
Eileen M. Flaherty Haus, St. Paul, MN (US);
Tzu-Chen Lee, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Disclosed herein is an optical article having a first optical layer; a second optical layer; and an antistatic layer disposed between the first and second optical layers, the antistatic layer having conducting particles having an aspect ratio greater than about 10. The conducting particles may comprise vanadium oxide particles or carbon nanotubes. The optical article may be a brightness enhancement film, a retro-reflecting film, or a reflective polarizer, and be used in a display device, for example, a liquid crystal display device.