Continuing our interest in the ferroelectric liquid crystalline materials for display applications we have synthesized new chiral aryl esters of 4-alkyl-3-methylbiphenyl-4'-carboxylic acids. Using different percentage of these compounds and aryl esters of 4-alkyl-3-chlorobiphenyl-4'-carboxylic acids we have designed the FLC mixtures with values of spontaneous polarization from 30 to 170 nC/cm(2), tilt angle from 20 degrees to 40 degrees,, helical pitch (> 0.2 mu m) and the constant value of the optical anisotropy (similar to 0.35).