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    • 8. 发明公开
    • Dichroic dye, and liquid crystal composition and liquid crystal device using the same
    • Dichromatischer Farbstoff,FlüssigkristallzusammensetzungundFlüssigkristallvorrichtungdamit
    • EP1916279A2
    • 2008-04-30
    • EP07021001.8
    • 2007-10-26
    • FUJIFILM Corporation
    • Takaku, KojiKato, Takashi
    • C09B1/58C09B1/06C09B67/00C09K19/60
    • C09B1/585C09B1/06C09B67/0038C09K19/60C09K19/603Y10T428/10
    • The present invention provides one or more dichroic dyes which exhibit high solubility in liquid crystal and a high order parameter. The dichroic dyes each have a first substituent having at least one cis-cyclohexane ring and/or a second substituent having at least one trans-cyclohexane ring. The dichroic dye(s) may be provided as a mixture including at least a first dichroic dye having at least the first substituent and a second dichroic dye having at least the second substituent. The dichroic dye(s) may also be provided as a plurality of dichroic dyes, each of the molecules of which has at least the first substituent and the second substituent. The present invention also provides a liquid crystal composition and a liquid crystal element including the one or more dichroic dyes.
    • 本发明提供了一种或多种在液晶中显示高溶解度和高阶参数的二色性染料。 二色性染料各自具有至少一个顺式环己烷环和/或具有至少一个反式环己烷环的第二取代基的第一取代基。 二色性染料可以以至少包含至少第一取代基的第一二色性染料和至少具有第二取代基的第二二色性染料的混合物形式提供。 二色性染料也可以作为多个二色性染料提供,其分子中的每一个至少具有第一取代基和第二取代基。 本发明还提供一种液晶组合物和包含一种或多种二色性染料的液晶元件。