Merck Patent Gmbh

Erdal Durmaz

Malgorzata Rillich

Michael Wittek

Helmut Haensel

Axel Jansen

Thorsten Kodek

Matthias Bremer

Andreas Taugerbeck

Achim Goetz

Mila Fischer

Norihiko Tanaka

Volker Reiffenrath

Eike Poetsch

Michael Heckmeier

Atsutaka Manabe

Achim Götz

Julia Sprang

The instant invention relates to mesogenic media comprising one or more compounds of formula G wherein the parameters are as specified in the text, preferably to mesogenic media showing a blue phase, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices.

Liquid crystal medium and liquid crystal display

The instant invention relates to mesogenic media exhibiting a blue phase, comprising one or both components selected from the two following components, components A and B, component A, comprising one or more compounds selected from the group of compounds of formula I-M, and component B, consisting of one or more compounds selected from the group of compounds of formula I-U, wherein the parameters are as specified in the text, preferably stabilized by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such displays.

The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays having a polymer-stabilized blue phase, and in LC media for LC displays of the PS or PSA type ('polymer sustained' or 'polymer sustained alignment'), and to LC media and LC displays comprising these compounds.

Polymerisable compounds and the use thereof in liquid-crystal media and liquid-crystal displays

The invention relates to 1,1-disubstituted cyclohexane derivatives containing one or more polymerizable groups, and to liquid-crystalline media comprising at least one compound of the formula I. At least one of the polymerizable groups is located at the geminally substituted position of the cyclohexane ring. The compounds are suitable for the stabilization of liquid-crystalline phases. Examples of polymer-stabilized blue phases are indicated.

Polymerizable compounds and liquid crystal media

The present invention relates to liquid-crystalline media and display devices comprising polymerizable compounds, to the use of the polymerizable compounds for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays having a polymer-stabilized blue phase, and in LC media for LC displays of the PS or PSA ('polymer sustained' or 'polymer sustained alignment') type. The polymerizable compounds comprise a ring system which is functionalized by three or more polymerizable groups, each connected via an optional spacer group.

Polymer-stabilised liquid-crystal media and displays

The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, and to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, especially in LC displays of the PS (polymer-stabilised) and PSA (polymer-sustained alignment) type.

Liquid-crystal display

The instant invention relates to mesogenic media exhibiting a blue phase, comprising one, two or more compounds of formula I-A wherein the parameters are as specified in the text, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such displays.

The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, and to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, especially in LC displays of the PS (polymer-stabilized) and PSA (polymer-sustained alignment) type.

The instant invention relates to mesogenic media exhibiting a blue phase, comprising two or more components selected from the following components, components A to C, component A comprising one or more compounds selected from the group of compounds of formula I-T component B consisting of one or more compounds selected from the group of compounds of formula I-N component C consisting of one or more compounds selected from the group of compounds of formula I-E wherein the parameters are as specified in the text, preferably stabilized by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such displays.

The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, and to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, especially in LC displays of the PS (polymer stabilized) or PSA (polymer sustained alignment) type.

The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive or negative dielectric anisotropy which is characterised in that it comprises one or more compounds of the general formula I in which &#x2014;CH&#x2550;CH&#x2014;, &#x2014;C&#x2261;C&#x2014;, &#x2014;CO&#x2014;, &#x2014;CO&#x2014;O, &#x2014;O&#x2014;CO&#x2014; or &#x2014;O&#x2014;CO&#x2014;O&#x2014; in such a way that 0 atoms are not linked directly to one another,to the use thereof for electro-optical purposes, and to electro-optical display devices which contain this medium.

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Darmstadt, Germany

Erdal Durmaz