公开(公告)号：JPH10168086A

公开(公告)日：1998-06-23

申请号：JP24840997

申请日：1997-09-12

Applicant: HOECHST AG

Inventor： WOLFGANG HEMMERRING ,  HANS-ROLFE DUVAL ,  KLAUS ESCHER ,  GERHARD IRIAN ,  INOGUCHI YOSHIO ,  INGREED MULLER ,  MURAKAMI MIKIO ,  DIETER OERENDOLF ,  RAINER WINGEN

IPC: G02F1/13 ,  C07F7/08 ,  C07F7/10 ,  C09K19/40 ,  C09K19/42 ,  C09K19/46 ,  G02F1/137 ,  G02F1/141

Abstract: PROBLEM TO BE SOLVED: To obtain a new subject compound that comprises a specific silylalkyl or silylalkenyl compound, resistant to hydrolysis, forms a liquid crystal mixture together with other components and is useful as an electrooptical switching element and as a display unit with high chemical stability. SOLUTION: This new liquid crystalline silylalkyl or silylalkenyl compound is represented by formula I [R is a group of formula II (R to R are each a 1-16C straight chain alkyl, a 3-8C cyclic alkyl; G is H and/or an 1-16C alkylene in which one CH2 or two CH2 not adjacent to each other may be replaced with O, OCO or COO under the conditions that only C atom having a C atom as an adjacent atom bonds to a Si atom); A to A is each 1,4- phenylene, trans-1,4-cyclohexylene, pyridine-2,5-diyl; M and M are each COO, OCO, CH2 O or the like; G is the same as G ; j, k, l, m, n are 0, 1; j+l+n is 2, 3]. This compound resists to hydrolysis, forms a liquid crystalline mixture with other components and is useful as an electrooptical switching element and as a display unit.

公开(公告)号：JPH10158271A

公开(公告)日：1998-06-16

申请号：JP24840897

申请日：1997-09-12

Applicant: HOECHST AG

Inventor： WOLFGANG HEMMERRING ,  HANS-ROLFE DUVAL ,  KLAUS ESCHER ,  GERHARD IRIAN ,  INOGUCHI YOSHIO ,  INGREED MULLER ,  MURAKAMI MIKIO ,  DIETER OERENDOLF ,  RAINER WINGEN

IPC: G02F1/13 ,  C07F7/08 ,  C07F7/10 ,  C09K19/40 ,  C09K19/42 ,  C09K19/46 ,  G02F1/137 ,  G02F1/141

Abstract: PROBLEM TO BE SOLVED: To produce the subject new compound, respectively having a silicon group-containing group and an oxygen ring group at both terminals and capable of providing excellent (photo)chemical and thermal stabilities, mixing compatibility, further a short switching time and high effective switching angle. SOLUTION: This compound is represented by formula I R is group represented by formula II [R and R are each H, a (branched) 1-16C alkylene, etc.], etc.; A to A are each 1,4-phenylene, etc.; M and M are each CO-O, etc.; G is a (branched) 1-16C alkylene, etc., in which Si is bonded to only C having H and/or C as an adjacent atom; R to R are each a (branched) 1-16C alkylene, etc.; (j) to (n) are each 0 or 1 and [(j)+(l)+(n)] is 2 or 3}, e.g. 4-[5(4 butyldimethylsilylbutyloxy)pyrimidin-2-yl]phenyl(2R,3R) 3propyloxirane-2- carboxylate. The compound represented by formula I is obtained by reacting a compound represented by the formula R (-A )j (-M )k (-A )l (-M )m (-A )n -X (X is OH, etc.) with a compound represented by formula III (Y is H, OH, etc.).

公开(公告)号：JPH04227685A

公开(公告)日：1992-08-17

申请号：JP33702490

申请日：1990-11-30

Applicant: HOECHST AG

Inventor： KURAUSU ETSUSHIYAA ,  HARADA TAKAMASA ,  GEEAHARUTO IRIAN ,  MURAKAMI MIKIO ,  NORUBERUTO REESHIYU ,  PEETAA BUEEGENAA ,  RAINAA BUINGEN

IPC: C09K19/54 ,  G02F1/13 ,  G09F9/35

公开(公告)号：JPH03115241A

公开(公告)日：1991-05-16

申请号：JP12396090

申请日：1990-05-14

Applicant: HOECHST AG

Inventor： ARUMIIN DE MAIIERE ,  HANSUURORUFU DEYUUBARU ,  KURAUSU ETSUSHIYAA ,  HARADA TAKAMASA ,  BUORUFUGANGU HEMAARINKU ,  GEEAHARUTO IRIAN ,  INGURITSUTO MIYUURAA ,  MURAKAMI MIKIO ,  DEIITAA OORENDORUFU ,  RAINAA BUINGEN

IPC: G02F1/13 ,  C07C13/04 ,  C07C13/28 ,  C07C22/00 ,  C07C25/00 ,  C07C43/184 ,  C07C43/205 ,  C07C43/21 ,  C07C69/92 ,  C07C255/45 ,  C07D213/30 ,  C07D237/08 ,  C07D237/14 ,  C07D237/16 ,  C07D237/18 ,  C07D239/26 ,  C07D239/34 ,  C07D239/38 ,  C07D241/12 ,  C07D241/18 ,  C07D285/12 ,  C07D285/125 ,  C07D285/13 ,  C07D405/12 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34

公开(公告)号：JPH03180815A

公开(公告)日：1991-08-06

申请号：JP15659990

申请日：1990-06-14

Applicant: HOECHST AG

Inventor： HANSUURORUFU DEYUUBARU ,  KURAUSU ETSUSHIYAA ,  HARADA TAKAMASA ,  GEEAHARUTO IRIAN ,  MURAKAMI MIKIO ,  HAINTSU RIIGAA ,  NORUBERUTO REESHIYU ,  PEETAA BUEEGENAA ,  RAINAA BUINGEN

IPC: G02F1/1337

Abstract: PURPOSE: To improve the lightness, contrast and switching of a liq. crystal display by incorporating a lipophilic compd., a lipophilic property imparting compd. or its mixture into at least one of the constituent elements of the liq. crystal display. CONSTITUTION: In order to improve the max. lightness, max. contrast and display speed of a liq. crystal display, an orienting layer of polyimide or polyamide as one of the constituent elements of the display is composed of 50-99.99wt.% polyimide or polyamide and 0.01-50wt.% one or more kinds of lipophilic compds. or lipophilic property imparting compds. The compds. may be incorporated into an insulating layer, an electrode, a transparent substrate or a polarizing plate. The lipophilic compds. may be monomer, oligomer or polymer compds. and have low polarity and high lipophilic characteristics.

公开(公告)号：JPH03149289A

公开(公告)日：1991-06-25

申请号：JP20906490

申请日：1990-08-06

Applicant: HOECHST AG

Inventor： HANSUURORUFU DEYUUBARU ,  KURAUSU ETSUSHIYAA ,  HARADA TAKAMASA ,  BUORUFUGANGU HEMERURINKU ,  GEEAHARUTO IRIAN ,  INGURITO MIYUURAA ,  MURAKAMI MIKIO ,  DEIITAA OORENDORUFU ,  PEETAA BUEEGENAA ,  RAINAA BUINGEN

IPC: C09K19/20 ,  C09K19/34 ,  C09K19/46

公开(公告)号：JPH0369921A

公开(公告)日：1991-03-26

申请号：JP20748890

申请日：1990-08-04

Applicant: HOECHST AG

Inventor： KURAUSU ETSUSHIYAA ,  HANSUURORUFU DEYUUBARU ,  MIHAERU FUERUTOFUESU ,  HARADA TAKAMASA ,  GEEAHARUTO IRIAN ,  TOMASU MEKURENBURUKU ,  MURAKAMI MIKIO ,  DEIITAA OORENDORUFU ,  KARURU PANPUSU

IPC: C08G61/12 ,  G02F1/1337 ,  G02F1/141 ,  G09F9/35

Abstract: PURPOSE: To effectively suppress optical hysteresis by using a specified liq. crystal switch and a specified display element in a ferroelectric liq. crystal medium display. CONSTITUTION: The liq. crystal switch and display element are used in a display. The display element consists of a ferroelectric liq. crystal medium(FLC), two electrodes, one polarizer, two transparent carrier plates and one orienting layer. This orienting layer has direct electric connection with the electrodes and contains an electrically conductive polymer having repeating untis represented by formula I, wherein each of R and R is H, 1-16C alkyl, 1-16C alkoxy or halogen, X is S or NH, Y is BF4 , PF5 , PO4 , etc., (n) is an integer of 4-100 and (m) is an integer of 1-30. Optical hysteresis phenomenon in the FLC is suppressed.

公开(公告)号：JPH0291080A

公开(公告)日：1990-03-30

申请号：JP20709389

申请日：1989-08-11

Applicant: HOECHST AG

Inventor： UORUFUGANGU HEMUMERURINGU ,  HANSUURORUFU DEYUBAARU ,  KURAUSU ETSUSHIERU ,  GERUHARUTO IRIAN ,  INOGUCHI YOSHIO ,  INGURIITO MIYUURAA ,  MURAKAMI MIKIO ,  DEIITAA OORENDORUFU ,  RAINERU UINGEN

IPC: G02F1/13 ,  C07F7/08 ,  C07F7/10 ,  C09K19/40 ,  C09K19/42 ,  C09K19/46 ,  G02F1/137 ,  G02F1/141

公开(公告)号：JPH04212933A

公开(公告)日：1992-08-04

申请号：JP755091

申请日：1991-01-25

Applicant: HOECHST AG

Inventor： HANSUURORUFU DEYUBARU ,  MURAKAMI MIKIO ,  HANSUUOTSUTOO DOROTOROFU ,  MIHIYAERU BUREKUNAA

IPC: C09K19/56 ,  C08G65/40 ,  G02F1/1337

Abstract: PURPOSE: To provide an oriented layer for a liquid crystal display and a switching device, which has high transparency, low water absorption, the uniform orientation of both a smectic liquid crystal and a nematic liquid crystal and exhibits high contrast ability. CONSTITUTION: The polyaryl ether ketone is used as the oriented layer, which has the structure unit of-O-A-O-B-.

公开(公告)号：JPH0338623A

公开(公告)日：1991-02-19

申请号：JP16654390

申请日：1990-06-25

Applicant: HOECHST AG

Inventor： KURAUSU ETSUSHIYAA ,  BUORUFUGANGU HEMAARINKU ,  GEEAHARUTO IRIAN ,  HARADA TAKAMASA ,  MURAKAMI MIKIO

IPC: G02F1/1337 ,  C09K19/02 ,  C09K19/34 ,  C09K19/58 ,  G02F1/137 ,  G02F1/141

Abstract: PURPOSE: To provide a ferroelectric liquid crystal(FLC) display which does not exhibit an optical hysteresis even if the value of spontaneous polarization is high by using an FLC mixture having the high spontaneous polarization and the natural spiral pitch smaller than half the thickness of the layer. CONSTITUTION: The FLC display, which can be operated by using a surface stabilized ferroelectric liquid crystal SSFLC technique, is of 1 to 10μm and more particularly 1.2 to 3μm in the thickness of the layer. The ferroelectric liquid crystal(FLC) mixture which exhibits the high spontaneous polarization PS>20nC.cm (measured at 25 deg.C) and of which the natural spiral pitch is below half the thickness of the layer of the SSFLC display is utilized for the FLC display. The characteristics exhibiting the high spontaneous polarization, the first assigned spiral pitch at a smectic phase and the second assigned spiral pitch as a cholesteric phase are satisfied by an asymmetrical liquid crystal base mixture added with a slight amt. of symmetrical additive impurities. The preferable compds. in this asymmetrical liquid crystal base mixture are expressed by formulas (I) and (II).