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    62.
    发明专利
    未知

    公开(公告)号：DE69022629D1

    公开(公告)日：1995-11-02

    申请号：DE69022629

    申请日：1990-05-30

    Applicant: CANON KK

    Inventor： HANYU YUKIO ,  ASAOKA MASANOBU

    IPC: C08G73/10 ,  G02F1/1337

    Abstract: A liquid crystal device is formed by applying an alignment film comprising a fluorine-containing polyimide having a fluorine-containing substituent in its moiety originated from a diamine on at least one of a pair of substrates sandwiching a chiral smectic liquid crystal. Preferably, the respective substrates are provided with such fluorine-containing polyimide alignment films which have been rubbed in directions which are substantially parallel with each other and identical to each other or which intersect each other at a small counter-clockwise intersection angle. The liquid crystal device thus formed shows a high contrast display, particularly by multiplexing drive, free from after-image because of quick responsiveness.

    63.
    发明专利
    未知

    公开(公告)号：ES2068851T3

    公开(公告)日：1995-05-01

    申请号：ES89111494

    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. ;

    65.
    发明专利
    未知

    公开(公告)号：AT111944T

    公开(公告)日：1994-10-15

    申请号：AT89111491

    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

    68.
    发明专利
    未知

    公开(公告)号：DE3887569T2

    公开(公告)日：1994-08-04

    申请号：DE3887569

    申请日：1988-06-03

    Applicant: CANON KK

    Inventor： SHINJO KENJI ,  TERADA MASAHIRO ,  UCHIMI TOSHIHARU ,  YOSHIDA AKIO ,  TOGANO TAKESHI ,  ASAOKA MASANOBU ,  IWAKI TAKASHI

    IPC: C09K19/30 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  G02F1/141 ,  G02F1/133

    Abstract: A ferroelectric chiral smectic liquid crystal composition is provided with a fast response speed and a less temperature dependency of the response speed by containing at least one mesomorphic compound represented by the formula (1) below:wherein R 1 denotes an alkyl group having 1 - 16 carbon atoms and capable of having a substituent; R 2 denotes an alkyl group, alkoxy group, alkoxycarbonyl group, acyloxy group or alkoxycarbonyloxy group each having 1 - 16 carbon atoms and capable of having a substituent; andrespectively denoteseach capable of having a substituent.

    Liquid crystal device
    70.
    发明专利
    Liquid crystal device 未知

    公开(公告)号：GB2261741A

    公开(公告)日：1993-05-26

    申请号：GB9223310

    申请日：1992-11-06

    Applicant: CANON KK

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

    IPC: C08G73/10 ,  G02F1/1337

    Abstract: A liquid crystal device is constituted by a pair of substrates and a ferroelectric liquid crystal disposed between the substrates. At least one of the pair of substrates has thereon an alignment film of a polyimide having a recurring unit of the following formula (I): wherein R1 denotes a tetravalent organic residue; and X1 - X8 independently denote an alkyl group having 1 - 15 carbon atoms. an alkoxy group having 1 - 15 carbon atoms, CF3 group. halogen or hydrogen atom with the proviso that at least one X1 - X4 is not hydrogen atom and at least one of X5 - X8 is not hydrogen atom.

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