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:
Feb. 23, 2010
Filed:
Oct. 04, 2006
Applicants:
Hiroki Umeda, Hino, JP;
Noriyasu Kuzuhara, Kunitachi, JP;
Inventors:
Hiroki Umeda, Hino, JP;
Noriyasu Kuzuhara, Kunitachi, JP;
Assignee:
Konica Minolta Opto, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
A retardation film manufactured as a long roll film having a slow axis in a lateral direction of the long roll film, wherein an elastic modulus in an in-plane slow axis direction εand an elastic modulus in an in-plane fast axis direction εmeet Condition (1), the in-plane fast axis direction being perpendicular to the in-plane slow axis direction:1.26≦ε/ε≦2.60  Condition (1).