Patent ID: 9057017
Filing Date: 2015-06-16
Classification: C09K

Abstract:
1. A liquid crystal composition comprising: a chiral agent; and a liquid crystal comprising a plurality of rings including at least one aromatic ring, which are linked to each other directly or with a linking group, wherein the aromatic ring has three electron-withdrawing groups as end groups, wherein each of the electron-withdrawing groups is a trifluoromethyl group, fluorine, bromine, chlorine, iodine, a cyano group, a trifluoromethylsulfonyl group, a nitro group, an isothiocyanate group, a thiocyanato group, or a pentafluorosulfanyl group, wherein the linking group is represented by any of structural formulae (1) to (4) and (6) to (24), wherein at least one of the three electron-withdrawing groups includes a trifluoromethyl group, and wherein at least one of the three electron-withdrawing groups is a cyano group