ZA912936B - Ferroelectric liquid-crystal display of high contrast and brightness - Google Patents

Ferroelectric liquid-crystal display of high contrast and brightness

Info

Publication number
ZA912936B
ZA912936B ZA912936A ZA912936A ZA912936B ZA 912936 B ZA912936 B ZA 912936B ZA 912936 A ZA912936 A ZA 912936A ZA 912936 A ZA912936 A ZA 912936A ZA 912936 B ZA912936 B ZA 912936B
Authority
ZA
South Africa
Prior art keywords
brightness
crystal display
high contrast
ferroelectric liquid
ferroelectric
Prior art date
Application number
ZA912936A
Other languages
English (en)
Inventor
Hans-Rolf Duebal
Duebal Hans-Rolf
Heinz Rieger
Rieger Heinz
Peter Wegener
Wegener Peter
Takamasa Harada
Harada Takamasa
Norbert Roesch
Roesch Norbert
Original Assignee
Hoechst Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of ZA912936B publication Critical patent/ZA912936B/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133719—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films with coupling agent molecules, e.g. silane
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3441—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom
    • C09K19/345—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
    • C09K19/3458—Uncondensed pyrimidines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3441—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom
    • C09K19/345—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
    • C09K19/3458—Uncondensed pyrimidines
    • C09K19/3463—Pyrimidine with a carbon chain containing at least one asymmetric carbon atom, i.e. optically active pyrimidines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • C09K2323/025—Polyamide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31—Surface property or characteristic of web, sheet or block
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31721—Of polyimide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31725—Of polyamide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
ZA912936A 1990-04-21 1991-04-19 Ferroelectric liquid-crystal display of high contrast and brightness ZA912936B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4012750A DE4012750A1 (de) 1990-04-21 1990-04-21 Ferroelektrisches fluessigkristalldisplay mit hohem kontrast und hoher helligkeit

Publications (1)

Publication Number Publication Date
ZA912936B true ZA912936B (en) 1991-12-24

Family

ID=6404812

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA912936A ZA912936B (en) 1990-04-21 1991-04-19 Ferroelectric liquid-crystal display of high contrast and brightness

Country Status (17)

Country Link
US (1) US5384168A (xx)
EP (1) EP0453966B1 (xx)
JP (1) JP3127006B2 (xx)
KR (1) KR910018839A (xx)
CN (1) CN1040915C (xx)
AU (1) AU7515291A (xx)
CA (1) CA2040876A1 (xx)
CS (1) CS110291A3 (xx)
DE (2) DE4012750A1 (xx)
FI (1) FI911883A (xx)
HU (1) HUT56974A (xx)
IL (1) IL97906A0 (xx)
NO (1) NO911558L (xx)
PL (1) PL289954A1 (xx)
PT (1) PT97426A (xx)
RU (1) RU2017185C1 (xx)
ZA (1) ZA912936B (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4100893A1 (de) * 1991-01-15 1992-07-16 Hoechst Ag Cyclische strukturelemente enthaltende orientierungsschichten
DE4127287A1 (de) * 1991-08-17 1993-02-18 Hoechst Ag Verwendung von zusatzstoffen in orientierungsschichten von flc-displays zur reduzierung der optischen hysterese
JPH05297376A (ja) * 1992-04-20 1993-11-12 Hoechst Japan Ltd 強誘電性液晶ディスプレイ素子
JPH0651315A (ja) * 1992-07-28 1994-02-25 Fujitsu Ltd 強誘電性液晶表示装置およびその製造方法
DE4340593C2 (de) * 1992-11-30 1998-09-03 Sharp Kk Bistabiles Flüssigkristalldisplay
DE4305970A1 (de) * 1993-02-26 1994-09-01 Hoechst Ag Cyclische Strukturelemente enthaltende Silan-Koppler als Orientierungsfilme
JPH07251438A (ja) * 1994-03-15 1995-10-03 Japan Gore Tex Inc 液晶ポリマーフィルム及びその製造方法
DE19956109A1 (de) * 1999-11-22 2001-05-23 Mannesmann Vdo Ag Elektronische Einrichtung mit einer Anzeigeeinheit
US20040034223A1 (en) * 2002-02-07 2004-02-19 Covalent Partners, Llc. Amphiphilic molecular modules and constructs based thereon
EP1481268A4 (en) * 2002-02-07 2005-06-29 Covalent Partners Llc NANOFILM AND MEMBRANE COMPOSITIONS
AU2003212974B2 (en) * 2002-02-07 2008-08-14 Covalent Partners, Llc Macrocyclic module compositions
US20040106741A1 (en) * 2002-09-17 2004-06-03 Kriesel Joshua W. Nanofilm compositions with polymeric components
EP1667965A2 (en) * 2003-08-06 2006-06-14 Covalent Partners, LLC Bridged macrocyclic module compositions
KR100731731B1 (ko) * 2004-11-11 2007-06-22 삼성에스디아이 주식회사 액정 표시 장치 및 그 제조 방법
JP5365973B2 (ja) * 2008-04-11 2013-12-11 Ｄｉｃ株式会社 強誘電性液晶組成物及び表示素子
JP5495003B2 (ja) * 2008-04-11 2014-05-21 Ｄｉｃ株式会社 強誘電性液晶組成物、及びそれを用いた表示素子
RU2592545C2 (ru) * 2010-12-23 2016-07-27 Ролик Аг Фотохимически активные полимерные материалы
RU2507216C2 (ru) * 2011-11-01 2014-02-20 ЭлДжи КЕМ, ЛТД. Фотореактивный полиамидный полимер и способ его получения

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2340853A1 (de) * 1973-08-13 1975-02-27 Hoechst Ag Verfahren zum erzeugen von gleichfoermig orientierten schichten fluessigkristalliner phasen auf einem traegermaterial
FR2332550A1 (fr) * 1975-11-19 1977-06-17 Commissariat Energie Atomique Procede et dispositifs d'orientation oblique des molecules d'un cristal liquide
JPS5491253A (en) * 1977-12-28 1979-07-19 Toshiba Corp Liquid crystal element
DE2842862A1 (de) * 1978-10-02 1980-04-10 Boehringer Mannheim Gmbh Verfahren zur bestimmung von ionen, polaren und/oder lipophilen substanzen in fluessigkeiten
JPS6097324A (ja) * 1983-10-31 1985-05-31 Sharp Corp 液晶表示素子の製造方法
JPS62143929A (ja) * 1985-07-16 1987-06-27 Kanegafuchi Chem Ind Co Ltd ポリイミド前駆体薄膜
JPS62111236A (ja) * 1985-11-11 1987-05-22 Toshiba Corp 液晶素子
JPS62211617A (ja) * 1986-03-12 1987-09-17 Seiko Instr & Electronics Ltd 液晶表示素子
US5009489A (en) * 1986-04-04 1991-04-23 Ken Eguchi Liquid crystal device
JPS62237431A (ja) * 1986-04-08 1987-10-17 Canon Inc 液晶素子
US5082352A (en) * 1988-09-29 1992-01-21 Canon Kabushiki Kaisha Ferroelectric liquid crystal apparatus
US5135678A (en) * 1988-10-05 1992-08-04 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Liquid crystal device
CA2021126C (en) * 1989-07-13 1994-12-27 David Elliott Machine dishwashing compositions
DE4011792A1 (de) * 1990-04-12 1991-10-17 Hoechst Ag Ionophore enthaltende ferroelektrische fluessigkristallmischungen
DE4011804A1 (de) * 1990-04-12 1991-10-24 Hoechst Ag Verwendung von makrocyclischen verbindungen als komponente fuer ferroelektrische fluessigkristallmischungen
DE4011805A1 (de) * 1990-04-12 1991-10-17 Hoechst Ag Verfahren zur herstellung einer schockstabilen fluessigkristall-schalt- und -anzeigevorrichtung

Also Published As

Publication number Publication date
JP3127006B2 (ja) 2001-01-22
EP0453966A2 (de) 1991-10-30
JPH04230735A (ja) 1992-08-19
IL97906A0 (en) 1992-06-21
CS110291A3 (en) 1992-01-15
CA2040876A1 (en) 1991-10-22
KR910018839A (ko) 1991-11-30
FI911883A0 (fi) 1991-04-18
FI911883A (fi) 1991-10-22
US5384168A (en) 1995-01-24
EP0453966B1 (de) 1997-02-26
NO911558L (no) 1991-10-22
DE59108558D1 (de) 1997-04-03
DE4012750A1 (de) 1991-10-24
RU2017185C1 (ru) 1994-07-30
AU7515291A (en) 1991-10-24
PT97426A (pt) 1992-01-31
NO911558D0 (no) 1991-04-19
HUT56974A (en) 1991-10-28
EP0453966A3 (en) 1992-06-03
CN1040915C (zh) 1998-11-25
PL289954A1 (en) 1991-11-04
CN1056753A (zh) 1991-12-04

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