fluessigkristall compound and process for their production, the same as fluessigkristallzusammensetzung and fluessigkristall - anzeigevorrichtung.

摘要

A compound represented by formula CHEM In the formula, Ar represents CHEM and each of Ra and Rb independently represents an optically non-active alkyl group or an optically active group having an asymmetric carbon atom. Either Ra or Rb is the optically active group. X represents - @-O- or -O- @-. Each of l and m represents 0 or 1. u