申请人:Nippon Mining Co., Ltd.
公开号:US04970023A1
公开(公告)日:1990-11-13
This invention provides novel biphenyl compounds represented by the following general formula (I): ##STR1## (wherein R is an alkyl group, A is selected from the single bond, --COO--, --OCO--, --OCOO-- and --CO--, and each of m and n is an integer of 1 or more, provided m<n), optically active bodies thereof, liquid crystal compositions containing at least one of these compounds, light switching elements comprising at least one of the above compounds as a constituent element, and a method of producing the compound.
本发明提供了由以下一般式(I)表示的新型联苯化合物:##STR1## (其中R是烷基,A选自单键,--COO--,--OCO--,--OCOO--和--CO--,且m和n均为1或更多的整数,条件是m<n),以及其光学活性体,包含至少其中一种化合物的液晶组合物,以及以上述化合物之一为组成元素的光开关元件和一种制备该化合物的方法。