LIQUID CRYSTAL MEDIUM

The invention relates to a liquid-crystalline medium comprising one or more compounds of formula PT and one or more compounds of formula GF and/or UI, # imgabs0, in which the radicals and parameters appearing have the meanings defined in claim 1, and to high-frequency components, in particular microwave components for high-frequency devices, comprising these media, the high frequency devices, such as devices for phase shifting microwaves, tunable filters, tunable meta-material structures, and electronic beam steering antennas (e.g., phased array antennas). 本发明涉及一种液晶介质，其包含一种或多种式PT化合物及一种或多种式GF及/或UI化合物，#imgabs0#其中所出现基团及参数具有根据权利要求1中所定义的含义且涉及包含这些介质的高频组件，尤其是用于高频装置的微波组件，该高频装置诸如用于使微波相位移的装置、可调谐滤波器、可调谐超颖材料结构及电子式波束操控天线(例如相控阵列天线)。