abstract |
The invention relates to a liquid-crystalline medium which is characterized in that it comprises one or more compounds of the formula A n n n and at least one compound of the formula B n n n in 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. |