Seiko Epson Corporation

Epson Corporation

Bunzo Kiyonaga

Liquid crystal compositions including as the main component at least one P, P'-dialkylazoxyhenzene selected from Compounds (1) of the general formula: ##STR1## wherein R.sub.1 represents a straight-chain alkyl group of 1-10 carbon atoms, and R.sub.2 represents a straight-chain alkyl group of 1-10 carbon atoms and at least one component selected from Compounds (2), Compounds (3) and Compounds (4) of the general formulae, respectively: ##STR2## wherein R.sub.3 represents a straight-chain alkyl or straight-chain alkoxy group of 1-10 carbon atoms, R.sub.4 represents a straight-chain alkyl or straight-chain alkoxy group of 1-10 carbon atoms, R.sub.5 represents a straight-chain alkyl group of 1-8 carbon atoms, R.sub.6 represents a straight-chain alkyl group of 1-8 carbon atoms, and R.sub.7 represents a straight-chain alkyl group of 1-10 carbon atoms and R.sub.8 represents a straight-chain alkyl group of 1-10 carbon atoms. These liquid crystal compositions are suitable for multiplex drive.

Liquid crystal compositions

Liquid crystal display devices including liquid crystal compositions of cyclohexanecarboxylic esters and esters having an acyloxyl group have excellent time-sharing characteristics, low duty ratio and driving voltage.

Growing community of inventors

Shiojiri, Japan

Bunzo Kiyonaga