Merck Patent Gmbh

Carsten Fritzsch

Dagmar Klass

Constanze Brocke

Dmitry Ushakov

Beate Schneider

Amir Hossain Parham

Owain Llyr Parri

Michael Wittek

Andreas Taugerbeck

Izumi Saito

Katharina Linke

Matthias Jost

The present invention relates to a compound of formula G as defined in claim, 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.

Aromatic isothiocyanates

An optical component is described which contains a liquid crystal (LC) medium, operable in the infrared region of the electromagnetic spectrum. The LC medium, which can be used in the infrared (IR) region, can contain one or more compounds of the formulae I, II, and III

Optical component

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.

Heterocyclic compounds for liquid crystals

The present invention relates to a compound of formula GF in which the occurring groups and parameters have the meanings defined in claim, 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.

The present invention relates to heteroaromatic isothiocyanates of formula N as defined in claim, 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.

Heteroaromatic isothiocyanates

The present invention relates to aromatic isothiocyanates of formula U as defined in claim, 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.

Fluorinated aromatic compounds

Isothiocyanato tolane derivatives of formula I-1 and liquid-crystalline media comprising same are suitable for use in high-frequency components, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas.

Isothiocyanato tolane derivatives

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.

The present invention relates to dibenzofuans and dibenzothiophenes thiophenes of formula I in which the occurring groups and parameters have the meanings as indicated in claim, to liquid-crystalline media comprising same and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas.

Dibenzofurans and dibenzothiophenes

Liquid-crystalline media comprising one or more compounds of formula T as defined in claim, 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.

Isothiocyanato compounds, including tolanes

Liquid-crystalline media having one or more compounds of formula C 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 (e.g. phased array antennas).

Liquid-crystalline medium

Liquid-crystalline media containing one or more compounds of formula T and one or more compounds of formulae I, II and/or III, 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, e.g., phased array antennas.

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Darmstadt, Germany

Carsten Fritzsch