Patent ID: 6174455
Filing Date: 2001-01-16
Classification: C07B,C07C,C09K,G03G

Abstract:
A composition for an electroluminescent device comprising a liquid crystalline compound represented by the following general formula (I): ##STR8##wherein R.sub.1 and R.sub.2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring directly or through X.sub.1, or X.sub.2 ; R.sub.3 represents a hydrogen atom, a cyano group, a nitro group, or a methyl group; and X.sub.1 and X.sub.2 each independently represent an oxygen atom, a sulfur atom, or a --CO--, --OCCO--, --COO--, --N.dbd.CH--, --CONH--, --NH--, --NHCO--, or --CH.sub.2 -- group, anda luminescent dye.