| 摘要 |
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which contains at least one compound of formula I
and at least one compound of formula 1*,
wherein
R 1 , R 2 , R 1* and R 2
are each independently alkyl or alkoxy with 1 to 8 C atoms, where one or more CH 2 -groups in these radicals can be replaced by -CH=CH-,
are each independently
but at least one of the rings A, B and C is
L 1-4
are each independently Cl, F, CF 3 or CHF 2 , preferably L 1-4 are each F, and
s
is 0 or 1,
and their use in an electro-optical display. |
