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:
Feb. 23, 1999
Filed:
Sep. 12, 1997
Yasuhiro Kubo, Ichihara, JP;
Fusayuki Takeshita, Kimitsu, JP;
Tetsuya Matsushita, Sodegaura, JP;
Etsuo Nakagawa, Ichihara, JP;
Tomoyuki Kondo, Ichihara, JP;
Chisso Corporation, Osaka, JP;
Abstract
The present invention provides a liquid crystal composition satisfying many characteristics required to liquid crystal compositions for AM-LCD, having a preferable .DELTA.n value in proportion to the cell thickness, and having very low threshold value suitable for driving at low voltage. The liquid crystal composition of the present invention comprises as the first constituent at least one compound selected from the group consisting of compounds represented by particular formula (I) and as the second constituent at least one compound selected from the group consisting of compounds represented by particular formulas (II-1)-(II-7). ##STR1##