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:
Apr. 22, 2008
Filed:
Jul. 29, 2005
John E. Duncan, Amelia, OH (US);
Michael W. O'keefe, Cincinnati, OH (US);
William E. Phillips, Cincinnati, OH (US);
Jiaying MA, Maplewood, MN (US);
Patrick R. Destain, Loveland, OH (US);
John E. Duncan, Amelia, OH (US);
Michael W. O'Keefe, Cincinnati, OH (US);
William E. Phillips, Cincinnati, OH (US);
Jiaying Ma, Maplewood, MN (US);
Patrick R. Destain, Loveland, OH (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A polarizing beam splitter is disclosed that includes a first prism, a second prism, and a reflective polarizing film disposed between the first prism and the second prism. The first prism comprises a first polymeric material, and has a first outer curved surface and an additional outer surface. The second prism comprises a second polymeric material, which in some embodiments may be the same as the first polymeric material, and has a second outer curved surface.