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. 31, 2006
Filed:
Feb. 19, 2002
Applicants:
Atsuhiro Ohkawa, Kanagawa, JP;
Hiroki Sasaki, Kanagawa, JP;
Kensuke Morita, Kanagawa, JP;
Ichiro Amimori, Kanagawa, JP;
Inventors:
Atsuhiro Ohkawa, Kanagawa, JP;
Hiroki Sasaki, Kanagawa, JP;
Kensuke Morita, Kanagawa, JP;
Ichiro Amimori, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-Ashigara, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 19/34 (2006.01); G02F 1/01 (2006.01); G02F 1/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical film comprises a transparent support and a polarizing layer. The polarizing layer selectively transmits polarized light, and selectively reflects or scatters other polarized light. The polarizing layer contains a compound represented by the formula (I) of Ar—C≡C—Ar—C≡C—Ar. In the formula (I), each of Arand Arindependently is a monovalent aromatic group, and Aris a divalent aromatic group.