Liquid crystalline fluorine-containing cyclohexylbiphenyls and dielectrics and electro-optical display elements based thereon

摘要

A Cyclohexylbiphenyl of the formula <IMAGE> wherein R1 is alkyl of 1-12 C atoms; R6 is alkyl or alkoxy each of 1-12 C atoms, CN or fluorine; and R2, R3, R4 and R5 each is hydrogen or fluorine, with the proviso that at least one, but not more than two of R2, R3, R4, R5 and R6 are fluorine.