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:
Oct. 09, 2012
Filed:
Sep. 29, 2010
Applicants:
Sosuke Akao, Tokyo, JP;
Takao Taguchi, Tokyo, JP;
Inventors:
Sosuke Akao, Tokyo, JP;
Takao Taguchi, Tokyo, JP;
Assignee:
Toppan Printing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
A retardation layer includes plurality of regions different in retardation. A retardation plate includes a substrate and a solidified liquid crystal layer supported by the substrate. The solidified liquid crystal layer is a continuous film made of a same material, and has biaxial optical anisotropy. The solidified liquid crystal layer includes plurality of regions, the regions being different in an in-plane retardation and a thickness direction retardation.