| abstract |
(57) A liquid crystal mixture having a birefringence value Δn of at least 0.20 is provided. A liquid crystal mixture of one or more types represented by the following formula I A fluorinated terphenyl having at least one of Formula II below With fluorinated terphenyl having Provided that R and R 'are each, independently of one another, alkyl or alkenyl residues having up to 12 carbon atoms, X and X' in the above formula F independently of one another, Cl, CF 3, OCF 3 or OCHF 2 and L 1 -L 4 are each independently H or F. |