abstract |
The invention relates to liquid-crystalline media comprising at least one compound of formula I, wherein R 1 , R 1* , rings A and B, Z 1 , L 1 , L 2 , a and b have the meanings indicated in claim 1 and relate to said medium for use in particular on the basis of VA, PSA, PS‑ Use of VA, PALC, FFS, PS‑FFS, IPS or IPS-effect active matrix displays. |