The present invention relates to compounds of the formula I
where one or more of the radicals A
1-5
denote a 1,4-naphthylene or 1,4- or 9,10-anthracenylene radical, and the other parameters are as defined in Claim
1
. The invention additionally includes liquid-crystalline media which comprise the title compounds, and components for high-frequency technology which comprise these media, in particular phase shifters and microwave array antennae.
本发明涉及式I的化合物,其中一个或多个基团A1-5表示1,4-
萘基或1,4-或9,10-
蒽基,其他参数如权利要求1所定义。本发明还包括液晶介质,其包括所述的化合物,并且包括用于高频技术的组件,该组件包括这些介质,特别是相移器和微波阵列天线。