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. 14, 2006
Filed:
Nov. 15, 2002
Applicants:
Shunsuke Shuto, Ibaraki, JP;
Ikuo Kawamoto, Ibaraki, JP;
Hironori Motomura, Ibaraki, JP;
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/3363 (2006.01);
U.S. Cl.
CPC ...
Abstract
A retardation plate characterized by being obtained by laminating a homeotropic liquid-crystal film formed from a homeotropic liquid-crystal polymer of the side chain type or from a homeotropic liquid-crystalline composition comprising the side chain type liquid-crystal polymer and a photopolymerizable liquid-crystal compound to a stretched film having a retardation function. In the retardation plate, the retardation in the thickness direction can be regulated to a value in a wide range.