Liquid-crystalline medium

Compounds of the formula Iin whichR1 is alkyl or alkoxy in which CH2 groups are optionally replaced, and X1 is alkyl OCF3, CF3, CHF2, OCF2CF3, CCF2CHFCF3, OCF═CF2, OCH═CF2 or F,a liquid-crystalline medium containing a compound of formula I,and use thereof in electro-optical liquid-crystal displays,...

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Bibliographische Detailangaben
Hauptverfasser:	Lietzau, Lars, Goebel, Mark, Hock, Christian, Goetz, Achim
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC CHEMISTRY PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	Compounds of the formula Iin whichR1 is alkyl or alkoxy in which CH2 groups are optionally replaced, and X1 is alkyl OCF3, CF3, CHF2, OCF2CF3, CCF2CHFCF3, OCF═CF2, OCH═CF2 or F,a liquid-crystalline medium containing a compound of formula I,and use thereof in electro-optical liquid-crystal displays, in particular in TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS or PS-FFS-, positive VA displays and in shutter spectacles for 3D effects and LC lenses.