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. 12, 2011
Filed:
Jun. 15, 2007
Nobutaka Fukagawa, Kanagawa, JP;
Mamoru Sakurazawa, Kanagawa, JP;
Shigeki Uehira, Kanagawa, JP;
Masaki Noro, Kanagawa, JP;
Nobutaka Fukagawa, Kanagawa, JP;
Mamoru Sakurazawa, Kanagawa, JP;
Shigeki Uehira, Kanagawa, JP;
Masaki Noro, Kanagawa, JP;
Fujifilm Corporaton, Minato-Ku, Tokyo, JP;
Abstract
A resin film has a photoelastic coefficient of from 0 to 30×10cm/N; and Re satisfying the following formulae (1) to (4):20 nm<(548)<300 nm  Formula (1):0.5<(446)/(548)<1  Formula (2):1.0<(629)/(548)<2.0  Formula (3):0.1%≦[{(548) at 25° C., 10%(548) at 25° C., 80%(548) at 25° C., 60%]≦20%,  Formula (4):wherein Re(λ) represents an in-plane retardation at a wavelength of λ.