| 摘要 |
The invention relates to a liquid-crystalline medium which is characterized in that it comprises one or more compounds of the formula Aand at least one compound of the formula Bin which R<a>, R<b>, Y, Z<1>, Z<2>, L<1>, L<2>, L<3>, L<4>, L<5>, L<6>, L<7 >and L<8 >are as defined in claim 1.
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