| abstract |
(57) Fluorinated derivatives of phenanthrene and their use in liquid-crystal mixtures Fluorinated phenanthrene derivatives of the following formula (1): Wherein G 1 is —CH ＝ CH— or —CH 2 CH 2 —, X is H or F, Y is H or F, and R 1 and M 1 -A 1 -R 2 are mesogenic groups; Suitable as a component of a liquid crystal mixture. |