abstract |
The invention relates to the use of compounds of the formula I n n R.sup.1 --Q.sup.1 --A--(A.sup.2).sub.q --R.sup.2 I n n wherein ##STR1## and R 1 , R 2 , Q 1 , Q 2 and q have the meaning specified in claim 1, as components of smectic liquid-crystalline phases, and also smectic liquid-crystalline phases, in particular chiral tilted smectic phases containing compounds of formula I. |