abstract |
The invention relates to liquid-crystalline compounds of formula I in which R<1>, R<2>, A<1>, A<2>, A<3>, A<4>, Z<1>, Z<2>, Z<3>, V, a, b and c have the definitions stated in claim 1, and also to liquid-crystalline media comprising at least one compound of the formula I, and to electrooptical displays comprising such a liquid-crystalline medium. |