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:
Aug. 08, 2006
Filed:
Mar. 16, 2004
Takuya Matsumoto, Yokohama, JP;
Hitoshi Mazaki, Yokohama, JP;
Takuya Matsumoto, Yokohama, JP;
Hitoshi Mazaki, Yokohama, JP;
Nippon Oil Corporation, Tokyo, JP;
Abstract
A novel liquid crystalline compound has the formula:Z-(CH)-L-P-L-P-L-P-L-(CH)-Z  (1)wherein Zand Zare each independently a group represented by any one of formulas (2), (3) and (4) below, L, L, L, and Leach independently indicate direct bond or are a group represented by any of —O—, —O—CO—, or —CO—O—, Pand Pare each independently a group represented by formula (5) below, and Pindicates direct bond or is a group represented by formula (5) below, n and m are each independently an integer of 0 to 8; wherein X is selected from the group consisting of hydrogen, methyl, or halogen and provides an optical film with an excellent capability of retaining the aligned liquid crystal orientation which has been fixed and in mechanical strength.