Cis-1,4-substituted 2-butene derivative
    3.
    发明公开
    Cis-1,4-substituted 2-butene derivative 失效
    1,4-取代物Abkömmlingvon cis-2-Buten。

    公开(公告)号:EP0563981A2

    公开(公告)日:1993-10-06

    申请号:EP93105491.0

    申请日:1993-04-02

    IPC分类号: C09K19/30 C07C15/50 C07C25/24

    摘要: A novel liquid crystal compound having an intermediate group of a cis-1,4-substituted 2-butenyl group, low viscosity and a broad mesomorphic temperature range is provided, which compound is expressed by the following formula:

    wherein R 1 represents an alkyl group of 1 to 10 carbon atoms; n represents 1 or 2, X represents a hydrogen atom, an alkyl group, a halogen atom, a cyano group, an alkoxy group, a methyl group substituted by 1 to 3 halogen atom(s) or a trihaloalkoxy group, Y and Y' each independently represents a hydrogen atom, a halogen atom.

    摘要翻译: 提供了具有顺式-1,4-取代-2-丁烯基中间体的新型液晶化合物,具有低粘度和宽的介晶温度范围,该化合物由下式表示:其中R 1为 >表示1〜10个碳原子的烷基; n表示1或2,X表示氢原子,烷基,卤素原子,氰基,烷氧基,被1〜3个卤素原子或三卤代烷氧基取代的甲基,Y和Y' 各自独立地表示氢原子,卤素原子。

    Liquid crystalline compound, liquid crystal composition and liquid crystal display element
    7.
    发明公开
    Liquid crystalline compound, liquid crystal composition and liquid crystal display element 失效
    Flüssigkristallverbindung,FlüssigkristallzusammensetzungundFlüssigkristallanzeigeelement。

    公开(公告)号:EP0679707A1

    公开(公告)日:1995-11-02

    申请号:EP95302894.1

    申请日:1995-04-28

    摘要: A liquid crystalline compound having a high elastic constant ratio (K33/K11) and an immproved solubility thereof in other liquid crystal materials, have the formula:- (1) :

    wherein Q represents -CF₃, -CF₂H or -CFH₂; A₁, A₂ and A₃ each independently represent a trans-1,4-cyclohexylene group, a 1,4-phenylene group wherein one or more hydrogen atoms on the ring may be replaced by F, Cℓ or CN, a pyridine-2,5-diyl group or a 1,3-pyrimidine-2,5-diyl group; ring B represents a 1,4-phenylene group or a trans-1,4-cyclohexylene group which can be replaced at its lateral position by groups L, and L₂ noted below; Z₁, Z₂ and Z₃ each independently represent a covalent bond or a group -CH=CH-, -C=C-, -OCO-, -COO-, -CH₂O-, -OCH₂-, -(CH₂)₂- or -(CH₂)₄-; ℓ and m each independently represent 0 or an integer of 1 to 5; o and p each independently represent 0 or 1; L1 and L2 each independently represent H, F or Cℓ; and L3 represents a hydrogen or halogen atom, -CN, -CF3, -CF2H, -CFH₂, -OCF3, -OCF₂H, a C₁-C₁₀ alkyl group or a C₂-C₁₀ alkenyl group [wherein optional non-adjacent methylene groups (-CH₂-) in the alkyl group or the alkenyl group may each independently be replaced by -O-, -S-, -CO-, -OCO- or -COO-].

    摘要翻译: 具有高弹性常数比(K33 / K11)的液晶化合物和其它液晶材料的溶解度不变,具有下式: - (1):其中Q表示-CF 3,-CF 2 H或-CFH 2; A1,A2和A3各自独立地表示反式-1,4-亚环己基,其中环上的一个或多个氢原子可以被F,C 1或CN代替的1,4-亚苯基,吡啶-2, 5-二基或1,3-嘧啶-2,5-二基; 环B表示可以在其横向位置被下述L和L2所代替的1,4-亚苯基或反式-1,4-亚环己基。 Z 1,Z 2和Z 3各自独立地表示共价键或基团-CH = CH-,-C = C - , - OCO - , - COO - , - CH 2 O - , - OCH 2 - , - (CH 2)2 - (CH2)4-; l和m各自独立地表示0或1〜5的整数; o和p各自独立地表示0或1; L1和L2各自独立地表示H,F或C 1; 并且L 3代表氢或卤素原子,-CN,-CF 3,-CF 2 H,-CFH 2,-OCF 3,-OCF 2 H,C 1 -C 10烷基或C 2 -C 10烯基[其中任选的非相邻亚甲基( - CH 2 - )可以各自独立地被-O - , - S - , - CO-,-OCO-或-COO-]代替。

    Conjugated enyne derivative and liquid crystal composition
    8.
    发明公开
    Conjugated enyne derivative and liquid crystal composition 失效
    Eneyne konjugierte Derivate undFlüssigkristallzusammensetzung。

    公开(公告)号:EP0597701A1

    公开(公告)日:1994-05-18

    申请号:EP93308996.3

    申请日:1993-11-10

    IPC分类号: C09K19/04 C09K19/18 C09K19/30

    摘要: Conjugated enyne compounds, which have superior characteristics as L.C. materials and are stable under conventional environments, have the formula:

    wherein A is 1,4-phenylene or 1,4-cyclohexylene; B,C and D are 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, pyridine-2,5-diyl or 1,3-pyrimidine-2,5-diyl; L and M are covalent bond, 1,2-ethylene, oxycarbonyl, carbonyloxy, 1,2-ethenylene, 1,2-ethynylene, oxymethylene or methyleneoxy; n,m and l are 0 or 1; X and Z are H or F; R is fluoroalkyl, alkyl, alkoxy, alkoxyalkyl or alkenyl; Y is alkyl, alkoxy, cyano, halogen, cyanate, alkyl or alkoxy having at least one H replaced by halogen; when n is 0, L is covalent bond; when m or n is 0, M is covalent bond; and m, n and l are not simultaneously 0.

    摘要翻译: 共轭烯炔化合物,具有优良的特征,如L.C. 材料,在常规环境下稳定,具有下式:其中A为1,4-亚苯基或1,4-亚环己基; B,C和D是1,4-亚苯基,1,4-亚环己基,1,3-二恶烷-2,5-二基,吡啶-2,5-二基或1,3-嘧啶-2,5-二基; L和M是共价键,1,2-亚乙基,氧羰基,羰氧基,1,2-亚乙烯基,1,2-亚乙炔基,甲醛或亚甲氧基; n,m和l为0或1; X和Z为H或F; R是氟烷基,烷基,烷氧基,烷氧基烷基或烯基; Y是具有至少一个H被卤素取代的烷基,烷氧基,氰基,卤素,氰酸酯,烷基或烷氧基; 当n为0时,L为共价键; 当m或n为0时,M为共价键; 并且m,n和l不同时为0。

    Novel liquid crystalline compound having a 1,1,2,3,3,3,-hexafluoropropyl group and liquid crystal composition
    10.
    发明公开
    Novel liquid crystalline compound having a 1,1,2,3,3,3,-hexafluoropropyl group and liquid crystal composition 失效
    Neue 1,1,2,3,3,3-六氟丙基葡聚糖FlüssigkristallverbindungenundFlüssigkristallzusammensetzungen。

    公开(公告)号:EP0640578A1

    公开(公告)日:1995-03-01

    申请号:EP94306361.0

    申请日:1994-08-30

    摘要: A liquid crystalline compound expressed by the formula (1)

    (wherein R₁ is an alkyl group of 1-12C, and one CH₂ group or two CH₂ groups not adjacent to each other in the alkyl group may be substituted by substituent(s) selected from among 0 atom, -CO- group, -O-CO- group, -CO-O- group and -CH=CH- group; X is covalent bond, -CH₂CH₂-, -CH=CH-, -C≡C-, -CH₂O-, -OCH₂-, -CO-O- or -O-CO-; Y₁ and Y₂ each independently are H, F, Cℓ or methyl group; rings A, B and C each independently are benzene ring or cyclohexane ring, and may be substituted by halogen atom(s) or a methyl group(s); and ℓ, m, n and p each independently are 1 or 2 and ℓ+m is one or more)
    and a liquid crystal composition using the same, are provided,
       which liquid crystal composition has a large Δn, a low viscosity and a high voltage retention and exhibits a nematic liquid crystal phase within a broad temperature range, and further has a very high Δε and a low driving voltage and is useful for use for TFT.

    摘要翻译: 由式(1)表示的液晶化合物(其中R1是1-12C的烷基,一个CH2基或两个在烷基中不相邻的CH2基团可以被取代基 )选自O原子,-CO-基团,-O-CO-基团,-CO-O-基团和-CH = CH-基团; X是共价键,-CH 2 CH 2 - , - CH = CH-,-C 标识的C-,-CH 2 O-,-OCH 2 - , - CO-O-或-O-CO-; Y 1和Y 2各自独立地为H,F,C 1或甲基;环A,B和C各自独立地为苯 环或环己烷环,并且可以被卤素原子或甲基取代; l,m,n和p各自独立地为1或2,l + m为一个或多个>和液晶 提供了使用它们的组合物,该液晶组合物具有大的DELTA n,低粘度和高电压保持性,并且在宽温度范围内呈现向列型液晶相,并且还具有非常高的DELTAε和低 驱动电压并对您有用 用于TFT。