Patent ID: 8475889
Filing Date: 2013-07-02
Classification: C09K

Abstract:
1. A liquid-crystalline medium, comprising at least one compound of formula IA and at least one compound of formulae IB, IC and/or ID in which R  —C≡C—, —CF R  —C≡C—, —CF  each, independently of one another, denote Y Y R R a and b each, independently of one another, denote 0, 1 or 2, where a+b is >1, c denotes 1 or 2, and d denotes 0 or 1, and at least one compound of formulae Y-1 to Y-8 in which R z and m each, independently of one another, denote 1-6, and satisfies at least one of the conditions I), II) or III), wherein condition I) is that the liquid-crystalline medium comprises at least one compound of formulae IC-1 to IC-16 in which R  —C≡C—, —CF condition II) is that the liquid-crystalline medium comprises at least one compound of formulae ID-1 to ID-6 in which R  —C≡C—, —CF and condition III) is that the liquid-crystalline medium comprises a compound of formula Y-6.