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    21.
    发明专利
    未知

    公开(公告)号：DE68920919D1

    公开(公告)日：1995-03-16

    申请号：DE68920919

    申请日：1989-06-23

    Applicant: CANON KK

    Inventor： SHINJO KENJI ,  TAKIGUCHI TAKAO ,  KITAYAMA HIROYUKI ,  KATAGIRI KAZUHARU ,  YAMASHITA MASATAKA ,  TERADA MASAHIRO ,  TOGANO TAKESHI ,  ASAOKA MASANOBU

    IPC: C07D271/10 ,  C07D285/12 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46

    Abstract: A ferroelectric chiral smectic liquid crystal composition, comprising: at least one compound represented by the following formula (I): wherein R1 and R2 respectively denote a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a substituent of C1 - C12 alkoxy group; X1 and X2 respectively denote a single bond, -O-, -O @-, - @O-, -O @O- or - @-; at least one compound represented by the following formula (II): wherein R3 and R4 respectively denote a linear or branched alkyl group having 1 - 18 carbon atoms capablg of having a substituent; X3 and X4 respectively denote a single bond, -O-, -O @- or -@O-; Z1 denotes - @O-, -O@-, -CH2O-, -OCH2- or a single bond; with proviso that at least one of and at least one compound represented by the following formula (III): wherein R5 denotes a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a substituent; X5 denotes a single bond, -O- or - @O-; Z2 denotes a single bond or - @O-; and m is 1 - 12. ;

    22.
    发明专利
    未知

    公开(公告)号：AT118029T

    公开(公告)日：1995-02-15

    申请号：AT89111494

    申请日：1989-06-23

    Applicant: CANON KK

    Inventor： SHINJO KENJI ,  TAKIGUCHI TAKAO ,  KITAYAMA HIROYUKI ,  KATAGIRI KAZUHARU ,  YAMASHITA MASATAKA ,  TERADA MASAHIRO ,  TOGANO TAKESHI ,  ASAOKA MASANOBU

    IPC: C07D271/10 ,  C07D285/12 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46

    Abstract: A ferroelectric chiral smectic liquid crystal composition, comprising: at least one compound represented by the following formula (I): wherein R1 and R2 respectively denote a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a substituent of C1 - C12 alkoxy group; X1 and X2 respectively denote a single bond, -O-, -O @-, - @O-, -O @O- or - @-; at least one compound represented by the following formula (II): wherein R3 and R4 respectively denote a linear or branched alkyl group having 1 - 18 carbon atoms capablg of having a substituent; X3 and X4 respectively denote a single bond, -O-, -O @- or -@O-; Z1 denotes - @O-, -O@-, -CH2O-, -OCH2- or a single bond; with proviso that at least one of and at least one compound represented by the following formula (III): wherein R5 denotes a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a substituent; X5 denotes a single bond, -O- or - @O-; Z2 denotes a single bond or - @O-; and m is 1 - 12. ;

    23.
    发明专利
    未知

    公开(公告)号：DE68918342T2

    公开(公告)日：1995-02-09

    申请号：DE68918342

    申请日：1989-06-23

    Applicant: CANON KK

    Inventor： SHINJO KENJI ,  TAKIGUCHI TAKAO ,  KITAYAMA HIROYUKI ,  KATAGIRI KAZUHARU ,  TERADA MASAHIRO ,  TOGANO TAKESHI ,  YAMASHITA MASATAKA ,  ASAOKA MASANOBU

    IPC: C07D271/10 ,  C07D285/12 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46

    Abstract: A ferroelectric chiral smectic liquid crystal composition, comprising at least one compound represented by the following formula (I): wherein R1 denotes a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a substituent; X1 denotes a single bond, -O- or - @O-; Z denotes a single bond or - @O-; and n is an integer of 1 - 12; and at least one compound represented by the following formula (II): wherein R2 and R3 respectively denote a linear or branched alkyl group having 1 - 18 carbon atoms capable of having substituent, at lease one of R2 and R3 being optically active; X2 and X3 respectively denote a single bond, -O-, -O @-, -@O- or -O@O-. m

    LIQUID CRYSTAL DEVICE
    29.
    发明专利
    LIQUID CRYSTAL DEVICE 未知

    公开(公告)号：GB2264713A

    公开(公告)日：1993-09-08

    申请号：GB9302179

    申请日：1993-02-04

    Applicant: CANON KK

    Inventor： ASAOKA MASANOBU ,  TAKAO HIDEAKI ,  TOGANO TAKESHI ,  KOJIMA MAKOTO

    IPC: C08G73/10 ,  G02F1/1337

    Abstract: A liquid crystal device includes: a liquid crystal disposed between a pair of substrates; at least one of which has thereon an alignment film comprising a polyimide or polyamide imide formed by reaction between a diamine component of formula (1) shown below and at least two acid components selected from tetracarboxylic acid components having a structure of formula (2) shown below at least including a naphthalenetetracarboxylic acid component, and dicarboxylic acid components having a structure of formula (3) shown below: wherein R and R2 independently denote an alkyl group or a fluoroalkyl group having 1-10 carbon atoms; wherein A and B respectively denote a tetravalent or divalent organic residue comprising an aromatic ring, aromatic

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