| abstract |
The present invention is represented by the formula (I), wherein one or two or more of the groups A 1 to 5 represent 1,4-naphthylene group or 1,4-anthracenylene group, and other parameters are claimed. It relates to the compound defined in item 1. The invention further relates to a liquid crystal medium comprising the title compound and to a component comprising said medium for high frequency technology, in particular phase shifters and microwave array antennas. |