abstract |
The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, R1, R1*, rings A and B, Z1, L1, and L2, a and b are each as defined in claim 1, and to the use thereof for an active matrix display, especially based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, IPS, IPS effect. |