Merck Patent Gmbh

Merck Patent Gesellschaft MIT Beschrankter Haftung

Merck Patent Gesellschaft MIT

Merck Patent Gesellschaft

Merck Patent Gesellschaft MIT Beschraenkter Haftung

Merck Patent Gesellschaft MIT Beschr&auml;nkter Haftung

Merck Patent Fesellschaft MIT

Brigitte Schuler

Volker Reiffenrath

Michael Heckmeier

Kazuaki Tarumi

Michael Wittek

Eike Poetsch

Peer Kirsch

Matthias Bremer

Markus Czanta

Izumi Saito

Lars Lietzau

Christian Hock

Atsutaka Manabe

Georg Luessem

Detlef Pauluth

Harald Hirschmann

Yukiomi Tanaka

Joachim Krause

Elvira Montenegro

Sabine Schoen

Marcus Reuter

Martin Engel

Konstantin Schneider

Renate Bender

Constanze Brocke

Achim Goetz

Hideo Ichinose

Michael Schwarz

Mark Goebel

Werner Binder

Martina Windhorst

Akiko Takashima

Achim Götz

Achim G&ouml;tz

Yasuyoshi Namiki

Louise Diane Farrand

Andreas Wachtler

Ekkehard Bartmann

Christian Jasper

Andreas Beyer

Helmut Haensel

Hiroshi Numata

Martina Weidner

Michael Kompter

Axel Pausch

Elisabeth Meyer

Anja Huth

Herbert Plach

Melanie Klasen-Memmer

Ulrich Finkenzeller

Axel Jansen

Shinji Nakajima

Heike Kniel

Christian Schoenefeld

Georg Lüssem

Andreas Pohle

Susann Gunst

Sven Baran

Renate Graulich

Renate Seeger

Yuka Ikedo

Peter Mackert

Reiffenrath Volker

Aisuraka Manabe

Ramin Tavakoli

Elvira Monrenegro

Herald Hirschmann

Elivira Montenegro

The invention relates to a liquid-crystalline medium having a nematic phase comprising one or more compounds of formula X wherein the parameters have the meaning given in the text, to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type and to the use of the compounds of formula X for improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds, as well as to the compounds of formula X.

Liquid-crystalline medium and liquid-crystal display comprising the same and compounds

The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula YX 

Liquid-crystalline medium and liquid-crystal display comprising the same

The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula S  denotes and to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of formula S for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

The invention relates to compounds of the formula I, in which R, A, Z, m, L, L, Land X have the meanings indicated in Claim, to a process for the preparation thereof, 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.

Naphthalene compounds for liquid-crystalline mixtures

The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I,  in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen, 

Liquid-crystal medium

A liquid-crystalline medium having a nematic phase, a dielectric anisotropy of 0.5 or more and a ratio of the dielectric constant perpendicular to the director (&#x3b5;) to the dielectric anisotropy (&#x394;&#x3b5;), i.e. (&#x3b5;/&#x394;&#x3b5;), of 2.0 or less and comprises one or more compounds of formula I: wherein the parameters have the meaning given in the text. An electro-optical display containing such a medium, particularly in an active-matrix display based on the IPS or FFS effect. Methods for using of the compounds of formula I for improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

The invention relates 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, IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of formula I for reduction of the dispersion of the birefringence of a liquid-crystalline medium which comprises one or more compounds of the formulae II and/or III.

The invention relates to liquid-crystalline mixtures comprising at least one compound of the formula I, in whichX, L, L, L, Land alkenyl have the meanings indicated in claimin order to increase the pretilt at the polyimide surface,and toliquid-crystalline media comprising one or more compounds of the formula I in electro-optical liquid-crystal displays and in LC lenses.

Liquid-crystalline medium

The present invention relates to liquid-crystalline media (LC media) comprising thiophene derivatives and to liquid-crystal displays (LC displays) containing these LC media. The media have high optical anisotropy and preferably have a content of thiophene derivatives of 25% by weight or more.

Liquid crystal medium containing thiophene derivatives

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

Thiophene compounds for liquid-crystalline media

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 Rhas the meanings indicated in Claim, and to the use thereof in electro-optical liquid-crystal displays.

The invention relates 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 formula I and one or more compounds selected from the compounds of the formulae IA and IB in which R, R, L, Xand Xhave the meanings indicated in claim

The invention relates to liquid-crystalline compounds of the formula I in whichR, R, A, A, A, A, Z, Z, Z, V, a, b and c have the meanings indicated in Claim, 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.

The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula I in whichR, ring A and Lhave the meanings indicated in Claimand to the use thereof in electro-optical liquid-crystal displays.

Growing community of inventors

Grossostheim, Germany

Brigitte Schuler