公开(公告)号：DE19514374A1

公开(公告)日：1995-10-26

申请号：DE19514374

申请日：1995-04-18

Applicant: CANON KK

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

IPC: G02F1/1337 ,  G02F1/141 ,  C08L79/08 ,  C08L77/06

Abstract: A liquid crystal device is constituted by a pair of substrates each having an electrode thereon and disposed in parallel with each other, and a liquid crystal disposed between the substrates. At least one of the substrates has thereon an organic alignment film formed from at least one species of polymer including a polymer having an average molecular weight of at most 30,000.

公开(公告)号：GB2288673A

公开(公告)日：1995-10-25

申请号：GB9507875

申请日：1995-04-18

Applicant: CANON KK

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

IPC: G02F1/1337 ,  G02F1/141

Abstract: An organic alignment film for a liquid crystal device is formed from at least one species of polymer including a polymer having an average molecular weight of at most 30,000. Preferably the polymer has a molecular weight of at most 8,000. The alignment film also contains a second polymer having an average molecular weight exceeding 30,000. The first polymer is preferably a polyimide of specified formula while the second polymer is a polyamide of specified formula.

公开(公告)号：AT111949T

公开(公告)日：1994-10-15

申请号：AT89111489

申请日：1989-06-23

Applicant: CANON KK

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

IPC: C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  G02F1/137

公开(公告)号：DE3887569D1

公开(公告)日：1994-03-17

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.

公开(公告)号：ES2044013T3

公开(公告)日：1994-01-01

申请号：ES89119172

申请日：1989-10-16

Applicant: CANON KK

Inventor： TOGANO TAKESHI ,  TAKIGUCHI TAKAO ,  YAMADA YOKO ,  ASAOKA MASANOBU ,  SHINJO KENJI

IPC: C07D333/16 ,  C07D333/24 ,  C07D333/32 ,  C07D333/38 ,  C07D409/10 ,  C07D409/12 ,  C07D413/12 ,  C07D417/12 ,  C09K19/34

Abstract: A mesomorphic 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; X1 denotes any one of a single bond, X2 denotes any one of a single bond, Z1 denotes any one of A1 denotes -A2- or -A2-A3- wherein A2 and A3 respectively denote any one of c

公开(公告)号：DE68907847D1

公开(公告)日：1993-09-02

申请号：DE68907847

申请日：1989-10-16

Applicant: CANON KK

Inventor： TOGANO TAKESHI ,  TAKIGUCHI TAKAO ,  YAMADA YOKO ,  ASAOKA MASANOBU ,  SHINJO KENJI

IPC: C07D333/16 ,  C07D333/24 ,  C07D333/32 ,  C07D333/38 ,  C07D409/10 ,  C07D409/12 ,  C07D413/12 ,  C07D417/12 ,  C09K19/34

Abstract: A mesomorphic 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; X1 denotes any one of a single bond, X2 denotes any one of a single bond, Z1 denotes any one of A1 denotes -A2- or -A2-A3- wherein A2 and A3 respectively denote any one of c

公开(公告)号：DE68905884T2

公开(公告)日：1993-08-12

申请号：DE68905884

申请日：1989-07-12

Applicant: CANON KK

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

IPC: C09K19/34 ,  C09K19/46 ,  C09K19/42 ,  C09K19/02 ,  G02F1/13

Abstract: A ferroelectric chiral smectic liquid crystal composition, comprising at least one optically active 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, at least one of R1 and R2 being optically active; X1 denotes -O-, -O @-, -@O- or -O @O-; and X2 denotes a single bond, -O-, -O @-, -@O- or -O @O-; and at least one compound represented by the following formula (II): wherein R3 and R4 respectively denote a linear or branched optically inactive alkyl group having 1 - 18 carbon atoms capable of having an alkoxy group of 1 - 12 carbon atoms; X3 and X4 respectively denote a single bond, -O-, -O @-, -@O- or -O @O-; and m and n are respectively 0, 1 or 2 with proviso that both of m and n are not 0.

公开(公告)号：DE4303236A1

公开(公告)日：1993-08-12

申请号：DE4303236

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; Formula (1): wherein R1 and R2 independently denote an alkyl group or a fluoroalkyl group having 1-10 carbon atoms; Formula (2): Formula (3): wherein +E,crc/A/ and +E,crc/B/ respectively denote a tetravalent or divalent organic residue comprising an aromatic ring, aromatic polycyclic ring or condensed polycyclic ring.

公开(公告)号：DE68905884D1

公开(公告)日：1993-05-13

申请号：DE68905884

申请日：1989-07-12

Applicant: CANON KK

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

IPC: C09K19/34 ,  C09K19/46 ,  C09K19/42 ,  C09K19/02 ,  G02F1/13

Abstract: A ferroelectric chiral smectic liquid crystal composition, comprising at least one optically active 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, at least one of R1 and R2 being optically active; X1 denotes -O-, -O @-, -@O- or -O @O-; and X2 denotes a single bond, -O-, -O @-, -@O- or -O @O-; and at least one compound represented by the following formula (II): wherein R3 and R4 respectively denote a linear or branched optically inactive alkyl group having 1 - 18 carbon atoms capable of having an alkoxy group of 1 - 12 carbon atoms; X3 and X4 respectively denote a single bond, -O-, -O @-, -@O- or -O @O-; and m and n are respectively 0, 1 or 2 with proviso that both of m and n are not 0.

公开(公告)号：AT244684T

公开(公告)日：2003-07-15

申请号：AT99102299

申请日：1999-02-05

Applicant: CANON KK

Inventor： ASAOKA MASANOBU ,  ISHIZAKI AKEMI ,  HOSOI NOBUYUKI ,  MISUDA KATSUTOSHI

IPC: B41M5/52 ,  C01F7/02 ,  C08K3/22 ,  B41M5/00

Abstract: Provided is a fine powder material for forming an ink-receiving layer on a recording medium, wherein a pore radius maximum exists within a range of from 90 to 120 ANGSTROM in a pore radius distribution of said fine powder material and wherein a total volume of pores having radii not exceeding 50 ANGSTROM is not more than 6.0 % of a volume of all pores.