Liquid crystal phase

摘要

PCT No. PCT/EP87/00490 Sec. 371 Date May 6, 1988 Sec. 102(e) Date May 6, 1988 PCT Filed Aug. 28, 1987 PCT Pub. No. WO88/02018 PCT Pub. Date Mar. 24, 1988.Liquid crystal phases containing components of the formulae I and III <IMAGE> I R1A3COOPheR2 III have an acceptable combination of threshold steepness, viewing angle and temperature dependence at a low threshold voltage.