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:
Dec. 14, 2010
Filed:
Dec. 04, 2008
Applicants:
Andrew J. Ouderkirk, Singapore, SG;
Olester Benson, Jr., Woodbury, MN (US);
Michael F. Weber, Shoreview, MN (US);
Carl A. Stover, St. Paul, MN (US);
David I. Wortman, Stillwater, MN (US);
Sanford Cobb, Jr., Stillwater, MN (US);
Inventors:
Andrew J. Ouderkirk, Singapore, SG;
Olester Benson, Jr., Woodbury, MN (US);
Michael F. Weber, Shoreview, MN (US);
Carl A. Stover, St. Paul, MN (US);
David I. Wortman, Stillwater, MN (US);
Sanford Cobb, Jr., Stillwater, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02B 27/28 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
A display includes a liquid crystal display panel, an optical cavity producing substantially collimated light and a birefringent reflective polarizer.