The invention relates to fluorinated aromatics of the formula (I)
1
where
X is CH
2
, C═O, CF
2
, O or S,
Y is H or F, with the proviso that Y has to be F when X is CH
2
,
and where the other parameters are as defined in claim
1,
and also to their use in liquid-crystal mixtures, and also to liquid-crystal mixtures comprising these compounds and to liquid-crystal displays comprising these mixtures.
本发明涉及式(I)的
氟化芳香化合物1,其中X为
CH2、C═O、
CF2、O或S,Y为H或F,但当X为 时,Y必须为F。其他参数如权利要求1所定义,以及它们在液晶混合物中的使用,以及包含这些化合物的液晶混合物和包含这些混合物的液晶显示器。