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:
May. 18, 2010
Filed:
Jun. 20, 2007
Applicants:
Ryuichi Katsumoto, Fujinomiya, JP;
Osamu Iwasaki, Minami-Ashigara, JP;
Makoto Koike, Fujinomiya, JP;
Inventors:
Ryuichi Katsumoto, Fujinomiya, JP;
Osamu Iwasaki, Minami-Ashigara, JP;
Makoto Koike, Fujinomiya, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an optical sheet having one generally planar surface and composed of transmissive material, wherein on the other surface of the optical sheet, a concavo-convex pattern formed of a convex portion having a triangular top portion and a concave portion of a surface parallel to the one surface of the optical sheet is formed alternately in a generally parallel array.