发明授权
- 专利标题: Liquid crystal compositions including pleochroic dye
- 专利标题(中): 液晶组合物包括双色染料
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申请号: US14541申请日: 1979-02-23
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公开(公告)号: US4232950A公开(公告)日: 1980-11-11
- 发明人: Judith L. Benham
- 申请人: Judith L. Benham
- 申请人地址: MN Saint Paul
- 专利权人: Minnesota Mining and Manufacturing Company
- 当前专利权人: Minnesota Mining and Manufacturing Company
- 当前专利权人地址: MN Saint Paul
- 主分类号: C09B1/00
- IPC分类号: C09B1/00 ; C09B1/06 ; C09B1/22 ; C09B1/503 ; C09B1/54 ; C09B1/58 ; C09B1/62 ; C09K19/60 ; C09K3/34
摘要:
Liquid crystal compositions containing pleochroic dyes. The pleochroic dyes are substituted anthraquinones useful in guest-host combinations with nematic liquid crystal compositions having positive dielectric anisotropy. Electro-optic devices containing these guest-host combinations are employed.
公开/授权文献
- US6027055A Brush chipper 公开/授权日:2000-02-22
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