Liquid-crystalline medium and liquid-crystal display
    1.
    发明授权
    Liquid-crystalline medium and liquid-crystal display 有权
    液晶介质和液晶显示

    公开(公告)号:US06821580B2

    公开(公告)日:2004-11-23

    申请号:US09920619

    申请日:2001-08-03

    IPC分类号: C09K1930

    CPC分类号: C09K19/44 Y10T428/10

    摘要: The invention relates to a liquid-crystalline medium of positive dielectric anisotropy, characterized in that it comprises in each case one or more compounds of the general formulae I, II and IV in which the parameters are as defined in the text, and to the use thereof as a constituent of a multibottle system and in electro-optical displays, and to multibottle systems of this type and displays which contain this medium.

    摘要翻译: 本发明涉及正介电各向异性的液晶介质,其特征在于,在每种情况下,它包括一种或多种通式I,II和IVin的化合物,其参数如本文所定义,以及其用途 作为多体系和电光显示器的组成部分,以及这种类型的多体系和包含该介质的显示器。

    Liquid-crystalline medium
    8.
    发明授权
    Liquid-crystalline medium 失效
    液晶介质

    公开(公告)号:US6083573A

    公开(公告)日:2000-07-04

    申请号:US29390

    申请日:1998-02-26

    摘要: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula I ##STR1## in which R is H, an alkyl or alkenyl radical having 1 to 15 carbon atoms which is unsubstituted, monosubstituted by CN or CF.sub.3 or at least monosubstituted by halogen, it also being possible for one or more CH.sub.2 groups in these radicals to be replaced, in each case independently of one another, by --O--, --S-- ##STR2## --CO--, --CO--O--, --O--CO-- or --O--CO--O--in such a way that O atoms are not linked directly to one another,Y is F, Cl, halogenated alkyl, alkenyl or alkoxy having 1 to 6 carbon atoms, andL.sup.1 is F.

    摘要翻译: PCT No.PCT / EP96 / 03636 371日期1998年2月26日 102(e)1998年2月26日PCT PCT 1996年8月19日PCT公布。 出版物WO97 / 09395 日期1997年3月13日本发明涉及一种基于具有正介电各向异性的极性化合物的混合物的液晶介质,其特征在于其包含一种或多种通式I的化合物,其中R为H,烷基或烯基 具有1至15个碳原子的基团,其是未取代的,被CN或CF 3单取代或至少被卤素单取代,也可以在这些基团中的一个或多个CH 2基团彼此独立地被 - O-,-S-CO-,-CO-O-,-O-CO-或-O-CO-O-,使得O原子彼此不直接连接,Y是F,Cl, 卤代烷基,烯基或具有1至6个碳原子的烷氧基,而L1为F.