| abstract |
(57) [Summary] (Modified) [PROBLEMS] To provide a liquid crystal medium having a low threshold voltage and a steep characteristic curve, in particular, having no or significantly reduced defects of the medium. The invention relates to liquid-crystalline media comprising one or more compounds of the formula I and one or more compounds of the formula II, the use of these liquid-crystalline media in electro-optical displays and to these displays, in particular to STN-LCDs. (R 1 is C1-7 alkyl or alkoxy or C2-7 alkoxyalkyl, alkenyl or alkenyloxy, Y 1 is H or F, and R 2 is 2-7 alkenyl or alkenyloxy; 21 and Y 22 are independently H or F) |