发明授权
US4976887A Optically active liquid crystal compound and method of manufacturing the same, liquid crystal composition containing the same and liquid crystal display device 失效
光学活性液晶化合物及其制造方法,含有该液晶组合物的液晶组合物和液晶显示装置

Optically active liquid crystal compound and method of manufacturing the
same, liquid crystal composition containing the same and liquid crystal
display device
摘要:
A compound represented by formula: ##STR1## In the formula, Ar represents ##STR2## and each of Ra and Rb independently represents an optically non-active alkyl group or an optically active group having an asymmetric carbon atom. Either Ra or Rb is the optically active group. X represents ##STR3## Each of l and m represents 0 or 1.
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