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:
Jul. 31, 2007
Filed:
Jun. 03, 2004
Applicant:
James F. Elman, Fairport, NY (US);
Inventor:
James F. Elman, Fairport, NY (US);
Assignee:
Nitto Denko Corporation, Ibaraki-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a liquid crystal cell including one or more compensator layers interposed between a constraint and liquid crystal. Each compensator layer contains a transparent amorphous polymeric birefringent material having an out-of plane birefringence more negative than −0.005 or more positive than +0.005.