Merck Patent Gmbh

Merck Patent Gesellschaft MIT Beschraenkter Haftung

Mark Goebel

Detlef Pauluth

Atsutaka Manabe

Rocco Fortte

Elvira Montenegro

Volker Reiffenrath

Brigitte Schuler

Markus Czanta

Sabine Schoen

Harald Hirschmann

Michael Wittek

Lars Lietzau

Eveline Baron

Ian Charles Sage

Michael Junge

Kevin Adlem

Achim Goetz

Dagmar Klass

Karl Skjonnemand

Graziano Archetti

Rachel Tuffin

Christian Schoenefeld

Andreas Pohle

Elisabeth Meyer

Alex Davis

Hee-Kyu Lee

Reiffenrath Volker

Kevin Kaiser

Raphael Lisicki

Alex Holt

Atsutaka Mananbe

A light valve that is operable in and electrically switchable between an optically clear and transparent state and an opaque state, wherein one or more polymerisable mesogenic compounds provided in a layer containing a liquid-crystalline medium that comprises one or more mesogenic compounds, one or more chiral compounds, one or more dichroic dyes and the one or more polymerisable mesogenic compounds are subjected to photopolymerisation. Further, a liquid-crystalline medium used in the method, a light valve obtained or respectively obtainable by carrying out the method, and the use of the light valve in mobile devices.

Liquid crystal-based light valve

The invention relates to compounds of the formula I, in whichR, A, n, L, L, Land X have the meanings given in Claim, to a process for their preparation, and to liquid-crystalline media comprising at least one compound of the formula I and electro-optical displays containing a liquid-crystalline medium of this type.

Liquid crystal compounds

Dielectrically positive liquid-crystalline media comprising a compound of the formula TINUVIN 770 and optionally one or more compounds of formula I, 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 crystal medium and liquid crystal display

The invention relates to a method of manufacturing a liquid crystal display device wherein a liquid crystal mixture having positive dielectric anisotropy or negative dielectric anisotropy is interposed between a first substrate and a second substrate, the liquid crystal mixture comprising liquid crystal molecules, a self assembling photoalignment agent, a polymerisable compound, and wherein said LC mixture is photoaligned by irradiation with linearly polarised ultraviolet light and then cured by irradiation with ultraviolet light.

Method for manufacturing a liquid crystal display device and liquid crystal mixture

Compounds of the formula I, and a liquid-crystalline medium, preferably having a nematic phase and negative dielectric anisotropy, which comprises  in which the parameters have the respective meanings indicated in Claim. The use thereof in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect. Displays of this type which contain a liquid-crystalline medium of this type. Use of the compounds of the formula I for the stabilization of a liquid-crystalline medium which comprises one or more compounds of the formula II.

Liquid-crystalline medium, method for the stabilization thereof, and liquid-crystal display

The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, in which Rhas the meanings indicated in Claim, and to the use thereof in liquid-crystalline media and in electro-optical liquid-crystal displays.

Liquid-crystalline medium

The invention relates to compounds of the formula I, and to a liquid-crystalline medium, preferably having a nematic phase and negative dielectric anisotropy, which comprises one or more compounds of formula I, defined herein, for use in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect, and to the use of the compounds of the formula I for the stabilization of a liquid-crystalline medium which comprises one or more compounds of the formula II and one or more compounds of the formulae III-1 to III-4, defined herein.

Compounds and liquid-crystalline medium

The invention relates to a liquid-crystalline medium having a nematic phase and negative dielectric anisotropy which comprises  and in which the parameters have the meanings indicated herein, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of the formula I for the stabilisation of a liquid-crystalline medium which comprises one or more compounds of formula II and one or more compounds selected from the compounds of formulae III-1 to III-4.

Liquid-crystalline medium and electro-optical display

A component for high-frequency technology or for the microwave range and millimeter wave range of the electromagnetic spectrum. The component contains a liquid-crystal compound of the formula I in which the parameters have the respective meanings given in the claims or in the text, or a liquid-crystal medium which itself comprises one or more compounds of this formula I. Also, the corresponding, novel liquid-crystal media, the use and preparation thereof, and the production and use of the components. The components are particularly suitable as phase shifters in the microwave and millimeter wave range, for microwave and millimeter wave array antennae and very particularly for so-called tuneable reflectarrays.

Components for high-frequency technology, and liquid-crystalline media

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 crystal medium and high-frequency components containing the same

The invention relates to a liquid-crystalline medium having a nematic phase and negative dielectric anisotropy which comprises a) a compound of the formula (I), b) one or more compounds of the formula (II) and c) one or more compounds selected from the group of the compounds of the formulae (III-1) to (III-4. The liquid-crystalline medium is useful in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect.

The invention relates to compounds of the formula I, and to a liquid-crystalline medium, preferably having a nematic phase and negative dielectric anisotropy, which comprises  in which the parameters have the respective meanings indicated in Claim, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALC, FFS or IPS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of the formula I for the stabilization of a liquid-crystalline medium which comprises one or more compounds of the formula III-O.

The invention relates to compounds of the formula I, and to a liquid-crystalline medium, preferably having a nematic phase and negative dielectric anisotropy, which comprises one or more compounds of formula I, defined herein, for use in an electro-optical display, particularly in an active-matrix display based on the VA, ECB, PALO, FFS or IPS effect, and to the use of the compounds of the formula I for the stabilization of a liquid-crystalline medium which comprises one or more compounds of the formula II and one or more compounds of the formulae III-1 to III-4, defined herein.

The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula I 

The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula I in which

Growing community of inventors

Darmstadt, Germany

Mark Goebel