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:
Nov. 28, 2006
Filed:
Oct. 29, 2003
Applicants:
Simon Magarill, Cincinnati, OH (US);
Todd S. Rutherford, Cincinnati, OH (US);
Inventors:
Simon Magarill, Cincinnati, OH (US);
Todd S. Rutherford, Cincinnati, OH (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/25 (2006.01); G03B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods are provided for optimizing the spectrum of a light source used in a projection display system in order to reduce the light loss associated with color splitting/recombination in the system. Projection systems designed in accordance with such methods are also disclosed.