| abstract |
The present invention relates to liquid-crystalline media comprising - one or more polymerisable compounds, preferably of formula P nP a -(Sp a ) s1 -(A 1 -Z 1 ) n1 -A 2 -Q-A 3 -(Z 4 -A 4 ) n2 -(Sp b ) s2 -P b P and - one or more compounds selected from the group of compounds of formulae I, II and III, n n n n n n n nin which the parameters have the meaning indicated in Claim 1, and to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas. |