Liquid crystal compounds incorporating furan ring, liquid crystal composition and liquid crystal display device
    1.
    发明公开
    Liquid crystal compounds incorporating furan ring, liquid crystal composition and liquid crystal display device 审中-公开
    含呋喃环的液晶化合物,液晶组合物和Flüssigkristallanzeigevorichtung

    公开(公告)号:EP1013649A1

    公开(公告)日:2000-06-28

    申请号:EP99125327.9

    申请日:1999-12-20

    摘要: The present invention provides a furan derivative compound having physical properties suitable as a liquid crystal display material, for example, such as 5-(4'-trans-pentyl-trans-bicyclohexyl-4-yl)-2-methylfuran, 5-(4-(4-trans-pentylcyclohexyl)phenyl)-2-ethylfuran, 5-(trans-4-propylcyclohexyl)fur-2-yl-3,4-dibromobenzene, 2-(4-trans-pentylcyclohexyl)-5-(4-trans-propylcyclohexyl)furan and 2-(4-trans-(2,3-difluoro-4-methoxyphenyl)cyclohexyl)-5-(5-trans-propyl-1,3-dioxan-2-yl)furan; a liquid crystal composition containing the said compound; and a liquid crystal display device comprising the said liquid crystal composition.

    摘要翻译: 本发明提供了具有适于作为液晶显示材料,对于实施例的物理性质呋喃衍生物化合物,作为检查5-(4'-反式 - 戊基 - 反式 - 二环己基-4-基)-2-甲基呋喃,5-( 4-(4-反式 - 戊基环己基)苯基)-2-乙基呋喃,5-(反式-4-丙基环己基)呋喃-2-基-3,4-二溴苯,2-(4-反式 - 戊基环己基)-5-( 4-反式 - 丙基环己基)呋喃和2-(4-反式 - (2,3-二氟-4-甲氧基苯基)环己基)-5-(5-反式 - 丙基-1,3-二恶烷-2-基)呋喃; 的液晶组合物含有所述化合物; 和液晶显示装置,包括所述液晶组合物。

    Liquid crystal composition and liquid crystal display device
    3.
    发明公开
    Liquid crystal composition and liquid crystal display device 失效
    FlüssigkristallzusammensetzungundFlüssigkristallanzeigevorrichtung

    公开(公告)号:EP0832955A1

    公开(公告)日:1998-04-01

    申请号:EP97307301.8

    申请日:1997-09-19

    IPC分类号: C09K19/44 C09K19/42

    CPC分类号: C09K19/44 C09K19/42

    摘要: The present invention provides a liquid crystal composition satisfying many characteristics required to liquid crystal compositions for AM-LCD, having a preferable Δ n value in proportion to the cell thickness, and having very low threshold value suitable for driving at low voltage.
    The liquid crystal composition of the present invention comprises as the first constituent at least one compound selected from the group consisting of compounds represented by particular formula (I) and as the second constituent at least one compound selected from the group consisting of compounds represented by particular formulas (II-1)-(II-7).

    摘要翻译: 本发明提供一种满足AM-LCD液晶组合物所需要的许多特性的液晶组成物,其具有与电池厚度成比例的优选的ΔTAn值,并且具有适合于低电压驱动的非常低的阈值。 本发明的液晶组合物含有作为第一组分的至少一种选自由特定式(I)表示的化合物的化合物和作为第二组分的至少一种化合物,所述化合物选自由特定的 式(II-1) - (II-7)。

    Liquid crystal composition, use thereof and liquid crystal display element
    4.
    发明公开
    Liquid crystal composition, use thereof and liquid crystal display element 失效
    Flüssigkristallzusammensetzung,deren Verwendung undFlüssigkristallanzeigeelement

    公开(公告)号:EP0806466A2

    公开(公告)日:1997-11-12

    申请号:EP97105540.5

    申请日:1997-04-03

    IPC分类号: C09K19/50

    CPC分类号: C09K19/50

    摘要: A chiral nematic liquid crystal composition is provided, which has a broad d/P margin, particularly for corresponding to a large size of LCD panel, while satisfying various characteristics sought for STN display mode,

    and which contains as a first component, at least one member of compounds expressed by the formulas (I-a) to (I-d),
    as a second component, at least one member of compounds expressed by the formulas (II) to (V), and
    as a third component, a chiral component expressed by the formula (X),


            R 5 -(B)-Z 2 -(C)-R 6      (II)



            R 7 -(D)-Z 3 -(E)-Z 4 -(G)-R 8      (III)




    In these formulas, R 1 to R 5 represent an alkyl group of 1 to 10 carbon atoms, etc.; Z 0 to Z 4 represent -CH 2 CH 2 -, etc.; B,C,E and G represent 1,4-cyclohexylene or 1,4-phenylene; D represents 1,4-cyclohexylene or 1,3-pyrimidine-2,5-diyl; Q 1 and Q 2 represent H or F; and q and m each independently represent 0 or 1; R 1 to R 12 represent an alkyl group of 1 to 10 carbon atoms or an alkenyl group of 2 to 10 carbon atoms.
    This composition may be used in STN mode, TN mode or AN mode liquid crystal display elements. This invention also describes the liquid crystal display elements containing such composition.

    摘要翻译: 提供了具有宽d / P余量的手征向列液晶组合物,特别是对应于大尺寸LCD面板,同时满足STN显示模式所要求的各种特性,并且其包含作为第一组分的至少一种 由式(Ia)至(Id)表示的化合物的成分,作为第二组分,由式(II)至(V)表示的至少一种化合物,作为第三组分,由 式(X), R 5 - (B)-Z 2 - (C)-R 6 R 7 - (D)-Z 3 - (E) 在这些式中,R 1〜R 5表示碳原子数1〜10的烷基等。 Z 0至Z 4表示-CH 2 CH 2 - 等; B,C,E和G表示1,4-亚环己基或1,4-亚苯基; D代表1,4-亚环己基或1,3-嘧啶-2,5-二基; Q 1和Q 2代表H或F; q和m各自独立地表示0或1; R 1〜R 12表示碳原子数1〜10的烷基或碳原子数2〜10的烯基。 该组合物可用于STN模式,TN模式或AN模式液晶显示元件。 本发明还描述了含有这种组合物的液晶显示元件。

    Liquid crystal compositions and liquid crystal display element
    5.
    发明公开
    Liquid crystal compositions and liquid crystal display element 失效
    FlüssigkristallzusammensetzungenundFlüssigkristallanzeigeelement

    公开(公告)号:EP0776958A1

    公开(公告)日:1997-06-04

    申请号:EP96119193.9

    申请日:1996-11-29

    IPC分类号: C09K19/42 C09K19/46 C09K19/44

    摘要: A liquid crystal composition comprising a first component of the formula (1-2), a second component of the formula (2-a) and a third component of the formulas (3) and (4), the respective contents being 3 to 30%, 10 to 60% and 20 to 80%, each by weight,


            R 4 (̵C)̵Z 5 (̵D)̵R 5      (3)



            R 6 (̵E)̵Z 6 (̵G)̵Z 7 (̵J)̵R 7      (4)

    wherein R, R', R 3 , R 4 , R 5 and R 6 each independently represent an alkyl group of C 1-10 or an alkenyl group of C 2-10 ; R 7 represents an alkyl group, an alkenyl group or an alkoxymethyl group of C 1-10 , B', C, D and J represent 1,4-cyclohexylene or 1,4-phenylene; E represents 1,4-cyclohexylene or pyrimidine-2,5-diyl; G represents 1,4-cyclohexylene or 1,4-phenylene wherein H at the lateral positions may be replaced by F; Z 1 and Z 6 represent -COO-, -C 2 H 4 - or a single bond; and Z 5 and Z 7 represent -C≡C- or a single bond.

    摘要翻译: 一种液晶组合物,其包含式(1-2)的第一组分,式(2-a)的第二组分和式(3)和(4)的第三组分,各自的含量为3至30 %,10〜60%和20〜80%,各重量比, R 4和Lparstr&C&rparstr&Z 5&lparstr&D&rparstr< R>< 5>&lparstr&E&rparstr&Z 6& 其中R,R',R 3,R 4,R 5和R 6各自独立地表示C 1-10的烷基或链烯基 C2-10组 R 7表示C 1-10,B',C,D和J的烷基,烯基或烷氧基甲基表示1,4-亚环己基或1,4-亚苯基; E代表1,4-亚环己基或嘧啶-2,5-二基; G表示1,4-亚环己基或1,4-亚苯基,其中侧向位置的H可以被F代替; Z 1和Z 6表示-COO - , - C 2 H 4 - 或单键; Z 5和Z 7表示-C元素C-或单键。

    Ferroelectric liquid crystal mixture for guest-host type display elements
    10.
    发明公开
    Ferroelectric liquid crystal mixture for guest-host type display elements 失效
    FerroelektrischeFlüssigkristallmischungfürAnzeigevorrichtungen des“guest-host”-Typs。

    公开(公告)号:EP0269062A2

    公开(公告)日:1988-06-01

    申请号:EP87117296.1

    申请日:1987-11-24

    IPC分类号: C09K19/02 C09K19/46 G02F1/137

    摘要: A ferroelectric chiral smectic liquid crystal composition having a tilt angle of 30° to 60° and superior alignment property is provided, which compo­sition is obtained by mixing at least one chiral or achiral smectic C compound having smectic A phase of temperature range within 40°C with at least one chiral smectic C compound having no smectic A phase, and adjusting the temperature range of smectic A phase of the resulting composition so as to fall within 30°C.

    摘要翻译: 提供了倾斜角为30°〜60°并具有优良取向性的铁电手性近晶液晶组合物,其组成通过将至少一种温度范围在40℃以内的具有近晶A相的手性或非手性近晶C化合物 与至少一种没有近晶A相的手性近晶C化合物,并将所得组合物的近晶A相的温度范围调节至30℃以下。