Patent Number: 7,785,678

Title: Liquid-crystalline mixtures and liquid-crystal displays

Abstract: The present invention relates to liquid-crystalline mixtures and to novel compounds therefor, and to the use thereof in nematic liquid-crystal displays having positive dielectric anisotropy, such as, for example, STN or IPS displays, which are characterised in that they comprise one or more compounds of the formula (I) in which R.sup.1, A.sup.1, A.sup.2, Z.sup.1, Z.sup.2, n are as defined in claim (1). ##STR00001##

Inventors: Junge; Michael (Pfungstadt, DE), Patwal; Ursula (Reinheim/Georgenhausen, DE), Reiffenrath; Volker (Rossdorf, DE)

Assignee: Merck Patent GmbH

International Classification: C09K 19/34 (20060101); C07D 405/04 (20060101); C09K 19/12 (20060101); C07D 211/84 (20060101); C07D 213/60 (20060101); C09K 19/30 (20060101); C09K 19/32 (20060101)

Expiration Date: 8/31/12018