| abstract |
The invention relates to compounds of formula (I), and preferably liquid-crystalline media having a nematic phase and a negative dielectric anisotropy, comprising a) one or more compounds of formula (I) And b) one or more compounds selected from the group consisting of compounds of the formulae (II) and (III) Wherein the parameters have the meanings given in claim 1, to the use thereof in electro-optical displays, in particular in active matrix displays based on the VA, ECB, PALC, FFS or IPS effect, to displays of this type comprising a liquid-crystalline medium of this type, and to the use of compounds of the formula (I) for stabilizing liquid-crystalline media comprising one or more compounds of the formula (II) and one or more compounds selected from the group of the formulae (III-1) to (III-4) and B. |