Merck Patent Gmbh

Merck Patent Gesellschaft MIT Beschrankter Haftung

Merck Patent Gesellschaft

Universität Paderborn

Michael Wittek

Brigitte Schuler

Volker Reiffenrath

Markus Czanta

Harald Hirschmann

Lars Lietzau

Dagmar Klass

Atsutaka Manabe

Matthias Bremer

Elvira Montenegro

Norihiko Tanaka

Constanze Brocke

Mila Fischer

Erdal Durmaz

Malgorzata Rillich

Konstantin Schneider

Renate Bender

Detlef Pauluth

Andreas Taugerbeck

Christian Jasper

Axel Jansen

Mark Goebel

Renate Seeger

Peer Kirsch

Louise Diane Farrand

Izumi Saito

Marcus Reuter

Christian Hock

Dmitry Ushakov

Martina Weidner

Elisabeth Meyer

Beate Schneider

Sabine Schoen

Michael Junge

Kevin Adlem

Helmut Haensel

Volker Meyer

Carsten Fritzsch

Martina Windhorst

David Wilkes

Edward Plummer

Christian Schoenefeld

Renate Graulich

Ming-Chou Wu

Harald Lannert

Mathias Bremer

Julia Sprang

Reiffenrath Volker

Brigette Schuler

Andreas Hoischen

Gaby Nordendorf

Heinz-Siegfried Kitzerow

Juergen Schmidtke

Herald Hirschmann

Elivira Montenegro

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

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, 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.

Liquid-crystalline medium

The present invention relates to liquid-crystalline media comprising in which the parameters have the meaning indicated in claim, and to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas.

Liquid-crystalline medium and high-frequency components comprising same

Liquid-crystalline media comprising and in which the parameters have the meaning indicated in claim, and components comprising these media, are suitable for use in high-frequency technology, in particular, in phase shifters and microwave array antennas.

The present invention relates to liquid-crystalline media comprising in which the groups have the meanings as set forth in claimand to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas.

The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterised in that it comprises one or more compounds of the formula I in a total concentration of &#x2265;40%, in which the parameters have the meanings indicated in claim, and to the use of the liquid-crystalline medium for electro-optical purposes, in particular in liquid-crystal light valves for lighting devices for motor vehicles, and to liquid-crystal light valves which comprise this medium and lighting devices for motor vehicles which contain such liquid-crystal light valves.

Liquid crystal medium

Liquid-crystalline media containing one or more compounds of formulae I-1, I-2 and/or I-3 and one or more compounds of formulae II and/or III and components containing these media for high-frequency technology, in particular phase shifters and microwave array antennas.

Liquid-crystalline medium, compounds, and high-frequency components

The present invention relates to dielectrically positive liquid-crystalline media comprising one or more compounds of the formula I, and one or more compounds selected from the group of the compounds of the formulae II and III and/or IV, in which the parameters have the respective meanings indicated in the specification, and optionally one or more further dielectrically positive compounds and optionally one or more further dielectrically neutral compounds, and to liquid-crystal displays, especially active-matrix displays and in particular TN, IPS and FFS displays, containing these media.

Liquid-crystalline medium and liquid-crystal display

The present invention relates to liquid-crystalline media comprising in which the parameters R-R, Z, Z, Zand rings A, A, A, A, A, A, and Aare as defined herein, and to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas.

The present invention relates to liquid-crystalline media comprising and in which the parameters have the meaning indicated in Claim, and to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas.

The invention relates to a liquid crystalline medium, characterised in that it comprises one or more compounds of formula A andone or more compounds of formula II wherein the parameters have the meaning indicated in claim, and to high-frequency components comprising the same, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular microwave phased-array antennas.

The present invention relates to mesogenic media and to electro-optical displays comprising these media as light modulation media. In particular, the electro-optical displays according to the present invention are displays, which are operated at a temperature, at which the mesogenic modulation media are in an optically isotropic phase, preferably in a blue phase.

Liquid crystal medium and liquid crystal display

The present invention relates to liquid-crystalline media comprising in which the parameters have the meaning indicated in Claim, and to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas.

Mesogenic media comprising one or more compounds of formulae I or II preferably mesogenic media showing a blue phase, preferably stabilized by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as such devices.

Liquid crystal medium and liquid display

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Erzhausen, Germany

Michael Wittek