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