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. 05, 2009
Filed:
Jun. 28, 2006
Applicants:
John E. Duncan, Amelia, OH (US);
Michael W. O'keefe, Cincinnati, OH (US);
William E. Phillips, Iii, Cincinnati, OH (US);
Jiaying MA, Maplewood, MN (US);
Patrick R. Destain, Plano, TX (US);
Inventors:
John E. Duncan, Amelia, OH (US);
Michael W. O'Keefe, Cincinnati, OH (US);
William E. Phillips, III, Cincinnati, OH (US);
Jiaying Ma, Maplewood, MN (US);
Patrick R. Destain, Plano, TX (US);
Assignee:
3M Innovative Properties Company, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polarizing beam splitter that includes at least one prism, and a reflective polarizing film. The prism comprises a first polymeric material, and has at least one curved outer surface and an incident surface, where the reflective polarizing film is disposed adjacent the incident surface.