| abstract |
The invention relates to compounds of the formula I, to a liquid-crystalline medium which comprises at least one compound of the formula I, n nin whichn nR 1 , R 1 *, L 1 , L 2 , L 3 and L 4 have the meanings indicated herein,n nand to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PM-VA, PALC, IPS, PS-IPS, SA-VA, SS-VA, FFS or PS-FFS effect. |