Merck Patent Gesellschaft MIT Beschrankter Haftung

Merck Patent Gmbh

Merck Patent Gesellschaft

Merck Patent Gesellschaft MIT Beschr&auml;nkter Haftung

Volker Meyer

Eike Poetsch

Werner Binder

Volker Reiffenrath

Michael Heckmeier

Reinhard Hittich

David Coates

Peer Kirsch

Alexander Hahn

Herbert Plach

Simon Greenfield

Ulrich Finkenzeller

Hans A Kurmeier

Georg Luessem

Bernhard Rieger

Andreas Wachtler

Detlef Pauluth

Kevin Adlem

Georg Lüssem

Klaus P Stahl

Dieter Dorsch

Joachim Krause

Matthias Bremer

Rudolf Eidenschink

Elvira Montenegro

Melanie Klasen-Memmer

Mark John Goulding

Michael Junge

Ekkehard Bartmann

Michael Schwarz

Ulrich Heywang

Warren L Duffy

Robert William Clemitson

Sabine Schoen

Atsutaka Manabe

Michael Wittek

Marcus Reuter

Christian Hock

Jurgen Seubert

Mila Fischer

Michael Kompter

Edward Plummer

Edgar Boehm

David I Bishop

Graham Smith

Inge Stein

Harald Lannert

Stephen J Lewis

Juergen Eckstein

Mathias Bremer

Stephan Gürtler

Stephan Guertler

Matthias Koehler

Rainer Christ

Warren Duffy

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 curable mixtures for the sealing, encapsulation, bonding or coating of opto-electronic components, such as OLEDs, solar cells, optical sensors and liquid-crystal displays, or for the alignment of liquid crystals. The mixtures comprise in total at least 50 percent by weight of vinyl ethers.

Polymers made from mixtures comprising vinyl ether monomers

The invention relates to pyran derivatives of the formula I and to a process and intermediates for their preparation and derivatisation, and to the use thereof in liquid-crystalline media.

Pyran compound or at least one derivative thereof

The invention relates to tetrahydropyran derivatives of the general formula I and to processes for the preparation thereof. 

Tetrahydropyran derivatives

The invention relates to liquid-crystalline compounds of the formula (I), where R, X, L, Y and W are as defined in claim 1, and to the use thereof in liquid-crystalline media, to liquid-crystalline media comprising at least one compound of the formula (I) and to electro-optical displays containing a liquid-crystalline medium of this type 

Liquid-crystalline compounds

The invention relates to pyran derivatives of formula I and processes and intermediates for their preparation and derivatisation, and the use thereof in liquid-crystalline media.

Pyran derivatives containing an exocyclic double bond

The invention relates to liquid-crystalline compounds of the formula (I) in which R, R, A, A, A, A, Z, Z, Z, a, b and c have the meanings indicated in Claimand to liquid-crystalline media comprising at least one compound of the (I) and to electro-optical displays containing a liquid-crystalline medium of this type.

Aldehydes containing a difluorooxymethylene bridge, of the general formula IOHC-(A)-Z-(A-Z)-(A-Z)-AIand the use and preparation thereof and the preparation of 1,3-dioxane compounds.

Aldehydes containing a difluorooxymethylene bridge

A tetrahydropyran derivative comprising at least three cyclic rings and one aromatic endgroup of the formula Aa process for preparing said tetrahydropyran derivatives, and the use of said tetrahydropyran derivatives as a component in a liquid crystal composition.

Pyrans as liquid crystals

Tetrahydropyran derivatives having at least one ester group (&#x2014;CO&#x2014;O&#x2014;) and at least one group &#x2014;CN, &#x2014;NCS,&#x2014;F, &#x2014;Cl, &#x2014;OCHF, &#x2014;OCF, &#x2014;CF, &#x2014;OCHFCF, &#x2014;OCFCHFCF, SF, or &#x2014;OCFCF; a process for preparing said tetrahydropyran derivatives, and the use of said tetrahydropyran derivatives as a component in a liquid crystal composition.

Liquid crystal compounds, liquid crystal medium and liquid crystal display

1,4-disubstituted 2,6-difluorobenzene compound of formula I

1,4-disubstituted 2,6-difluorobenzene compounds, and a liquid-crystalline medium

Process for the preparation of cinnamic acid derivatives

A process for preparing substituted 4-methylidenecinnamic acid derivatives of Formula (I). ##STR1## The variables are defined herein. The compounds of Formula (I) can be used, for example, as UV absorbers.

Process for preparing substituted 4-methylidenecinnamic acid derivatives

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Gross-Zimmern, Germany

Volker Meyer