Abstract: Compounds of formula I liquid crystal media containing these compounds, and high-frequency components containing these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, phased array antennas, and devices containing these components, and furthermore optical components containing these liquid-crystalline media, operable in the infrared region of the electromagnetic spectrum.

Abstract: The present invention relates to a compound of formula GF in which the occurring groups and parameters have the meanings defined in claim 1, to a liquid crystal medium comprising a compound of formula GF and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: A liquid-crystalline medium, preferably having a nematic phase, comprising one or more compounds of formula C the use thereof in an energy-efficient electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, displays of this type which contain a liquid-crystalline medium of this type, and the use of the compounds of formula C for improvement of the contrast and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

Abstract: The present invention relates to heteroaromatic isothiocyanates of formula N as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula N and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: A liquid crystal medium comprising one or more compounds of formula PT and one or more compounds of formula GF and/or UI in which the occurring groups and parameters have the meanings defined in claim 1. Also, high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: The present invention relates to a compound of formula GF in which the occurring groups and parameters have the meanings defined in claim 1, to a liquid crystal medium comprising a compound of formula GF and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: The present invention relates to aromatic isothiocyanates of formula U as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula U and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: The present invention relates to heteroaromatic isothiocyanates of formula N as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula N and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: The present invention relates to heteroaromatic isothiocyanates of formula N as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula N and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: The present invention relates to a compound of formula G as defined in claim 1, to a liquid crystal medium comprising a compound of formula G and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: Compounds of formula I liquid crystal media containing these compounds, and high-frequency components containing these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, phased array antennas, and devices containing these components, and furthermore optical components containing these liquid-crystalline media, operable in the infrared region of the electromagnetic spectrum.

Abstract: The present invention relates to a liquid crystal medium comprising aromatic isothiocyanates of formula C as defined in claim 1, and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: The present invention relates to a compound of formula T as defined in claim 1, to a liquid crystal medium comprising a compound of formula T and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: The present invention relates to a compound of formula UI as defined in claim 1, to a liquid crystal medium comprising a compound of formula UI and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: Aromatic isothiocyanates of formula C liquid-crystalline media comprising one or more compounds of formula C, and high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: The invention relates to a liquid-crystalline medium having a nematic phase comprising one or more compounds of formula X wherein the parameters have the meaning given in the text, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type and to the use of the compounds of formula X for improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds, as well as to the compounds of formula X.

Abstract: The present invention relates to aromatic isothiocyanates of formula U as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula U and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

Abstract: The present invention relates to a compound of the general formula I in which the occurring groups and parameters have the meanings indicated in claim 1, to the use thereof in liquid-crystalline or mesogenic media and to liquid-crystalline or mesogenic media comprising these derivatives.

Abstract: The present invention relates to liquid-crystalline media comprising one or more compounds of formula DFS in which the groups and parameters occurring have the meanings indicated in claim 1, to high-frequency components comprising same, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas. The present invention further relates to novel mesogenic compounds.

Abstract: Aromatic isothiocyanates of formula C liquid-crystalline media comprising one or more compounds of formula C, and high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.