abstract |
The invention relates to TN and STN liquid-crystal displays and to the novel nematic liquid-crystal mixtures used therein, characterized in that they comprise one or more compounds of the formula Iand at least one compound of the formula IIand at least one compound of the formula IIIin which R<1>, R<2>, R<3>, R<4>, L<1>, L<2 >and X are as defined in claim 1. |