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. 08, 2003
Filed:
Nov. 30, 1999
Applicant:
Inventors:
Michael F. Weber, Shoreview, MN (US);
Olester Benson, Jr., Woodbury, MN (US);
Sanford Cobb, Jr., St. Mary's Point, MN (US);
James M. Jonza, Round Rock, TX (US);
Andrew J. Ouderkirk, Woodbury, MN (US);
David L. Wortman, St. Paul, MN (US);
Carl A. Stover, St. Paul, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 ;
U.S. Cl.
CPC ...
G02F 1/1335 ;
Abstract
A multiple layer reflective polarizer is described. This element is placed between and optical cavity and an LCD module to form an optical display. The reflective polarizer reflects some light into the optical cavity where it is randomized and may ultimately emerge with the correct polarization to be transmitted out of the display.