LIQUID-CRYSTAL MEDIUM

Abstract: a liquid-crystal (lc) material comprising a compound of formula i and a compound of formula cpy and one or more compounds of formulae iia, iib, iic and iid wherein the compound of the formula cpy is excluded from the formula iib, having negative dielectric anisotropy and the use thereof for optical, electro-optical and electronic purposes, such as for example in lc displays, in particular energy saving displays based on the ecb, ips or ffs effect.

Inventor(s): Harald HIRSCHMANN, Sabine SCHOEN

CPC Classification: C09K19/3402 (containing at least one heterocyclic ring)

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