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:
Sep. 20, 1994
Filed:
Aug. 17, 1993
Akihiro Mochizuki, Kawasaki, JP;
Shigeo Kasahara, Kawasaki, JP;
Tetsuya Makino, Kawasaki, JP;
Masashi Watanabe, Kawasaki, JP;
Masakatsu Nakatsuka, Tokyo, JP;
Kunikiyo Yoshio, Kyoto, JP;
Masahiro Satoh, Kyoto, JP;
Tetsuya Watanabe, Kyoto, JP;
Naoko Sugita, Kyoto, JP;
Tatsuroh Yanagi, Kyoto, JP;
Fujitsu Limited, Kawasaki, JP;
Mitsui Toatsu Chemicals, Inc., Tokyo, JP;
Sanyo Chemical Industries, Ltd., Kyoto, JP;
Abstract
This invention is directed to reduce the viscosity of a naphthalene type mixed liquid crystal and to improve display quality while maintaining a bookshelf layer structure. The ferroelectric liquid crystal composition of the present invention comprises 70 to 97 parts by weight of a naphthalene base mixed liquid crystal and 3 to 30 parts by weight of a predetermined tolan type liquid crystal.