Liquid Crystalline Medium

摘要

The invention relates to a liquid-crystalline medium based on a mixture of polar compounds, characterised in that it comprises one or more compounds of the formula I and one or more compounds selected from the group of the compounds of the formulae IA, IB and IC in which R¹, R^1A, R^1B, R^1C, X, X^A, X^B, b and L^1-6, rings A and B have the meanings indicated in claim 1.