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. 06, 2005
Filed:
Nov. 01, 2001
Applicants:
Simon Magarill, Cincinnati, OH (US);
John D. Rudolph, Cincinnati, OH (US);
Inventors:
Simon Magarill, Cincinnati, OH (US);
John D. Rudolph, Cincinnati, OH (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F001/1335 ; G03B021/14 ;
U.S. Cl.
CPC ...
Abstract
Optical systems for projection optical devices which employ reflective LcoS panel () are provided. The systems provide high contrast, compact size, and high light throughput.