| 摘要 |
<p>The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of general formula (I) and one or more compounds of general formula (I*) in which R, R<1*>, R<2*>, A<1>, Z<1>, Y, L, L<1*>, L<2*>, m, x and y are as defined in claim 1.</p> |
