发明授权
- 专利标题: Anthraquinone type compound and liquid crystal composition containing such compound
- 专利标题(中): 蒽醌型化合物和含有该化合物的液晶组合物
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申请号: US459958申请日: 1990-01-02
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公开(公告)号: US4985171A公开(公告)日: 1991-01-15
- 发明人: Konoe Miura , Tetsuo Ozawa , Junko Kanaya
- 申请人: Konoe Miura , Tetsuo Ozawa , Junko Kanaya
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Chemical Industries Limited
- 当前专利权人: Mitsubishi Chemical Industries Limited
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX60-243601 19851029; JPX60-243602 19851029; JPX60-243603 19851029; JPX60-290240 19851223
- 主分类号: C07C323/22
- IPC分类号: C07C323/22 ; C09B1/00 ; C09B1/56 ; C09K19/60
摘要:
An anthraquinone type compound which is represented by the following general formula (I) and which exhibits yellow to orange-colored hue; and a composition for liquid crystal display element obtained by dissolving the compound into liquid crystal: ##STR1## (where: X.sup.1 and X.sup.2 denote sulfur or selenium; and R.sup.1 and R.sup.2 represent a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted pyridyl group, a substituted or unsubstituted pyrmidyl group or a tetrahydronaphthyl group, with the following exceptions:(1) X.sup.1 =X.sup.2 =S; R.sup.1 =R.sup.2 =a substituted or unsubstituted phenyl group =(2) X.sup.1 =X.sup.2 =S; R.sup.1 =a substituted or unsubstituted naphthyl group; R.sup.2 =a phenyl group or a naphthyl group(3) X.sup.1 =X.sup.2 =Se; R.sup.1 =R.sup.2 =a tetrahydronaphthyl group).
公开/授权文献
- US5725904A Liquid methyltin halide compositions 公开/授权日:1998-03-10