An ionic dopant comprising a sulfur or a phosphorus containing anion with a randon cation, for use in a smectic A liquid crystal composition. The cation preferably comprises a quaternary ammonium cation.
一种离子掺杂剂,由含
硫或
磷的阴离子与兰登阳离子组成,用于 Smectic A 液晶组合物。阳离子最好是季
铵阳离子。