Mesomorphic compound, liquid crystal composition containing same and
liquid crystal device using same
    41.
    发明授权
    Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same 失效
    包含相同的液晶化合物,液晶组合物和使用其的液晶体装置

    公开(公告)号:US5076961A

    公开(公告)日:1991-12-31

    申请号:US549125

    申请日:1990-07-06

    摘要: A mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sup.1 and R.sup.2 respectively denote a linear or branched alkyl group having 1-18 carbon atoms capable of including one or two or more non-neighboring methylene groups which can be replaced with at least one species of --Z--, ##STR2## --CH.dbd.CH-- and --C.tbd.C--, wherein Z denotes --O-- or --S-- and R.sup.3 denotes hydrogen or an alkyl group having 1-5 carbon atoms; A.sup.1 denotes ##STR3## and A.sup.2 denotes any one of ##STR4## The mesomorphic compound is effective for providing a ferroelectric liquid crystal composition showing an improved low-temperature operation characteristic and a decreased temperature-dependence of response speed.

    摘要翻译: 由下式(I)表示的介晶化合物:其中R 1和R 2分别表示具有1-18个碳原子的直链或支链烷基,可以包含一个或两个或更多个不相邻的亚甲基, 可以用至少一种-Z-, -CH = CH-和-C 3BOND C-代替,其中Z表示-O-或-S-,R3表示氢或具有 1-5个碳原子; A1表示,A2表示 中的任何一种。介晶化合物对提供显示改善的低温操作特性和降低的响应速度的温度依赖性的铁电液晶组合物是有效的。

    Liquid crystal composition and liquid crystal device using same
    42.
    发明授权
    Liquid crystal composition and liquid crystal device using same 失效
    液晶组合物和使用相同的液晶装置

    公开(公告)号:US5075030A

    公开(公告)日:1991-12-24

    申请号:US558488

    申请日:1990-07-27

    摘要: A liquid crystal composition, comprising: at least one compound represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 respectively denote an optically inactive linear or branched alkyl group having 1-18 carbon atoms capable of including one or non-neighboring two or more methylene groups which can be replaced with at least one species of ##STR2## wherein Z denotes --O-- or --S-- and R.sub.3 denotes hydrogen or an alkyl group having 1-5 carbon atoms; A denotes --A.sub.1 -- or --A.sub.2 --A.sub.3 -- wherein A.sub.1 denotes ##STR3## and A.sub.2 and A.sub.3 respectively denote ##STR4## or --A.sub.1 --; and at least one compound represented by the following formula (II): ##STR5## wherein R.sub.4 denotes a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent; X.sub.1 denotes a single bond, --O--, ##STR6## X.sub.2 denotes a single bond, --O-- or ##STR7## Z.sub.1 denotes a single bond or ##STR8## A.sub.4 denotes ##STR9## and l is 1-12.

    摘要翻译: 一种液晶组合物,其包含:至少一种由下式(I)表示的化合物:其中R 1和R 2分别表示具有1-18个碳原子的光学惰性的直链或支链烷基,可以包括一个 或不相邻的两个或更多个亚甲基,其可以被至少一种其中Z表示-O-或-S-并且R 3表示氢或具有1-5个碳原子的烷基的至少一种替代。 A表示-A1-或-A2-A3-,其中A1表示 ,A2和A3分别表示或-A1-; 和由下式(II)表示的至少一种化合物:其中R 4表示可具有取代基的具有1-18个碳原子的直链或支链烷基; X1表示单键,-O-,X2表示单键,-O-或 Z1表示单键或 A4表示,l表示1-12。

    Electroluminescence device
    50.
    发明授权
    Electroluminescence device 有权
    电致发光器件

    公开(公告)号:US07858210B2

    公开(公告)日:2010-12-28

    申请号:US12040961

    申请日:2008-03-03

    IPC分类号: H01L51/52

    摘要: A layer is spaced between an anode and a cathode and is composed of an organic compound represented by the following general formula [1]. wherein R1 to R10 are each independently a hydrogen atom, a halogen atom, a substituted amino group, an alkyl group, an aryl group, and a heterocyclic group; and X represents (a) an alkylene group having 2 to 6 carbon atoms, wherein in the alkylene group, one or separate two methylene groups may be substituted by —O—, —CO—, —CO—O—, —S—, or —NRa1—, and a hydrogen atom may be substituted by a linear, branched, or cyclic alkyl group having 1 to 10 carbon atoms, (b) an aryl group which may be substituted, or (c) a heterocyclic group which may be substituted, or (d) a fluorine atom.

    摘要翻译: 一层在阳极和阴极间隔开,由下列通式[1]表示的有机化合物组成。 其中R1至R10各自独立地为氢原子,卤素原子,取代的氨基,烷基,芳基和杂环基; X表示(a)具有2〜6个碳原子的亚烷基,其中在亚烷基中,一个或分别的两个亚甲基可以被-O - , - CO - , - CO-O-,-S-, 或-NR 1a,并且氢原子可以被具有1-10个碳原子的直链,支链或环状烷基取代,(b)可被取代的芳基,或(c)可以是 取代或(d)氟原子。