Merck Patent Gesellschaft MIT Beschrankter Haftung

Merck Patent Gmbh

Merck Patent Gesellschaft MIT Beschraenkter Haftung

Merck Patent Gesellschaft MIT Beschr&auml;nkter Haftung

Merck Gmbh

Merck Patent Gesellschaft

Merck Patent Gesellschaft MIT

The Secretary of State for Defence in Her Britannic Majesty's Government

The Secretary of State for Defense in Her Britannic Majesty's Government

Bescrankter Haftung

Joachim Krause

Volker Reiffenrath

Georg Weber

Rudolf Eidenschink

Eike Poetsch

Bernhard Scheuble

Andreas Wachtler

Reinhard Hittich

Peer Kirsch

Thomas Geelhaar

Michael Heckmeier

Detlef Pauluth

Kazuaki Tarumi

Ludwig Pohl

Herbert Plach

David Coates

Ulrich Finkenzeller

Michael Romer

Matthias Bremer

Bernhard Rieger

Ekkehard Bartmann

Reinhard Hopf

Brigitte Schuler

George W Gray

Simon Greenfield

Ian Charles Sage

Hans A Kurmeier

Hans-Adolf Kurmeier

Werner Binder

Andreas Ruhl

Klaus Bofinger

Georg L&uuml;ssem

Andreas Taugerbeck

Kenneth J Toyne

David Lacey

Dagmar Klement

Achim Götz

Andreas Tangerbeck

Michael Hird

Alexander Hahn

Dietrich Erdmann

Juliane Suermann

Neil Carr

Fernando Del Pino

Peter Fuss

Beatrice M Andrews

Andreas W&auml;chtler

Dieter Dorsch

Sabine Schoen

Atsutaka Manabe

Marcus Reuter

Volker Meyer

Christian Hock

Adam Jackson

Richard M Scrowston

Michael Kompter

Georg Lüssem

Axel Pausch

Graham Smith

Jurgen Eichler

Rainer Klink

Achim G&ouml;tz

Gerald Unger

Heino Finkelmann

Hans-Michael Kompter

Marc Lenges

Bernd Drapp

Bernard Scheuble

Friedrich Hessel

Harald Lannert

Ralf Streinstrasser

Wachtler

Rudolf Fidenschink

Florian Huber

Gunter Gauglitz

Rolf Sander

Liquid-crystalline compounds of the formula I in whichR, A, A, Z, Z, X, a, b, L, Land Lare as defined herein, and 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 chiral compounds of formula I wherein X, X, X, X, x, x, y, y, B, C, U, U, V, V, Wand Whave the meaning given in claim, to liquid crystal mixtures comprising at least one chiral compound of formula I, to chiral linear or crosslinked liquid crystal polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula I, to the use of chiral compound of formula I and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula I.

Chiral compounds

The invention relates to chiral compounds of formula (I) R&#x2014;X-(A-Z)-G-(Z-A)-X&#x2014;R, wherein R, R, X, X, A, A, Z, Z, G, m and n have the meaning given in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).

Chiral compounds II

The invention relates to liquid-crystalline phenol esters of the formula I in whichR, A, Z, m, L and Y are as defined in Claim, to liquid-crystalline media comprising at least one phenol ester of the formula I, and to electro-optical displays containing such a liquid-crystalline medium.

Liquid-crystalline phenol esters

Liquid-crystalline compounds of the formula I in which

Novel phenylcyclohexanes of the formula I in which n is 0 to 7, Qand Qare H, or one of these radicals is alternatively CH, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or a single bond, X is F, Cl, &#x2014;CF, &#x2014;CN, &#x2014;OCFor &#x2014;OCHF, and Y and Z are each, independently of one another, H or F, with the proviso that, in the case where A is a single bond, Q=Q=H and simultaneously X=CN, Y and/or Z are F.

Phenylcyclohexanes and a liquid-crystalline medium

The invention relates to chiral compounds of formula I wherein X,X,X,X,x,x,y,y,B,C,U,U,V,V,Wand Whave the meaning given in claim, to liquid crystal mixtures comprising at least one chiral compound of formula I, to chiral linear or crosslinked liquid crystal polymers obtainable by polymerizing a polymerizade mixture comprising at least one chiral compound of formula I, to the use of chiral compound of formula I and mixtures and polymers obtained thereof in liquid crystal display, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula I.

The invention relates to liquid-crystalline phenol esters of the formula I in which

The invention relates to liquid crystal compounds of formula (I), where X, X, X, Z, Z, L, L, L, L, L, L, L, L, L, L, Land a have the meanings given in claim, and liquid crystal media containing at least one compound of formula (I) and electro-optical displays comprising such a liquid crystal medium 

Liquid crystal compounds

The invention relates to compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I in whichR, A, A, Z, Y, Z, L, Land m are as defined herein.

Ester compounds and their use in liquid crystalline media

The invention relates to chiral compounds of formula (I) wherein R, R, A, A, X, X, Zand m have the meaning give in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I).

Chiral compounds 1

The invention relates to chiral compounds of formula (I) wherein Y, Y, Y, Y, X, X, Xand Xhave the meaning given in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formula (I), to chiral linear or crosslinked liquid crystalline polymers obtainable by polymerizing a polymerizable mixture comprising at least one chiral compound of formula (I), to the use of chiral compounds of formula (I) and mixtures and polymers obtained thereof in liquid crystal displays, active and passive optical elements, adhesives, synthetic resins with anisotropic mechanical properties, cosmetic and pharmaceutical compositions, diagnostics, liquid crystal pigments, for decorative and security applications, nonlinear optics, optical information storage or as chiral dopants, and to a liquid crystal display comprising a mixture comprising at least one chiral compound of formula (I) 

Chiral compounds III

The invention relates to CFO-bridged cyclohexane derivatives, in particular compounds of formula (I), R1-(-A1-Z1-)k1-Q-CF2O-A2-(-Z3-A3-)K3-R2, wherein Q represents group (a); W, Wrepresent &#x2014;CH&#x2014; and/or &#x2014;O&#x2014; independendy from each other, X, X, X, Xrepresent H, F, &#x2014;CH&#x2014;CHF&#x2014;CHF and/or &#x2014;CFindependently from each other, provided that at least one substituent X, X, Xand/or Xdoes not represent H, Zrepresents a simple bond, &#x2014;CH&#x2014;CH&#x2014; or &#x2014;CF&#x2014;CF&#x2014;, m represents 0 or 1 and R, R, A, A, A, Z, Z, k1 and k3 have the meaning cited in the description. The invention further relates to liquid crystal substances such as optical and electro-optical display elements.

[object Object]

Novel phenylcyclohexanes of the formula Iin which n is 0 to 7, Qand Qare H, or one of these radicals is alternatively CH, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or a single bond, X is F, Cl, &#x2014;CF, &#x2014;CN, &#x2014;OCFor &#x2014;OCHF, and Y and Z are each, independently of one another, H or F, with the proviso that, in the case where A is a single bond, Q=Q=H and simultaneously X=CN, Y and/or Z are F.

Liquid crystalline compounds

Growing community of inventors

Dieburg, Germany

Joachim Krause