HK2297A - Ferroelectric liquid crystals - Google Patents

Ferroelectric liquid crystals

Info

Publication number
HK2297A
HK2297A HK2297A HK2297A HK2297A HK 2297 A HK2297 A HK 2297A HK 2297 A HK2297 A HK 2297A HK 2297 A HK2297 A HK 2297A HK 2297 A HK2297 A HK 2297A
Authority
HK
Hong Kong
Prior art keywords
liquid crystals
ferroelectric liquid
ferroelectric
crystals
liquid
Prior art date
Application number
HK2297A
Other languages
English (en)
Inventor
Buchecker Dr Richard
Fromm Dr Hans-Juergen
Kelly Dr Stephan
Schadt Dr Martin
Villiger Dr Alois
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of HK2297A publication Critical patent/HK2297A/xx

Links

Classifications

    • 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
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • 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
    • 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
    • C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
    • 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
    • C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
    • C09K2019/3422—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom the heterocyclic ring being a six-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal Substances (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Liquid Crystal (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
HK2297A 1986-11-28 1997-01-02 Ferroelectric liquid crystals HK2297A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH477386 1986-11-28
CH367687 1987-09-23

Publications (1)

Publication Number Publication Date
HK2297A true HK2297A (en) 1997-01-10

Family

ID=25693593

Family Applications (1)

Application Number Title Priority Date Filing Date
HK2297A HK2297A (en) 1986-11-28 1997-01-02 Ferroelectric liquid crystals

Country Status (6)

Country Link
US (1) US5100577A (ko)
EP (1) EP0269963B1 (ko)
JP (2) JP2572790B2 (ko)
KR (1) KR960006074B1 (ko)
DE (1) DE3751089D1 (ko)
HK (1) HK2297A (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5244597A (en) * 1988-05-26 1993-09-14 Hoffmann-La Roche Inc. Liquid crystalline mixtures having a chiral tilted smectic phase
US5327273A (en) * 1989-06-29 1994-07-05 Hoffmann-La Roche Inc. Bistable ferroelectric liquid crystal display cell
EP0433836B1 (de) * 1989-12-19 1996-03-27 F. Hoffmann-La Roche Ag Halophenyl-substituierte Dioxane
DE59109167D1 (de) * 1990-04-26 1999-12-23 Merck Patent Gmbh 1,3-dioxanderivate und flüssigkristallines medium
JPH05247026A (ja) * 1992-03-04 1993-09-24 Mitsubishi Gas Chem Co Inc ジオキサン系液晶物質

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944905A1 (de) * 1978-12-13 1980-10-23 Werk Fernsehelektronik Veb Kristallin-fluessige substituierte 1,3-dioxane und diese enthaltende gemische
US4200580A (en) * 1979-03-05 1980-04-29 Timex Corporation Dioxanylphenyl benzoate liquid crystal compounds
US4344856A (en) * 1979-12-12 1982-08-17 VEB Werk fur Fernsehelektronik Berlin im VEB Kombinat Mikroelektronik Crystalline-liquid substituted 1,3-dioxanes and mixtures containing them
JPS5716879A (en) * 1980-07-03 1982-01-28 Chisso Corp 2,5-disubstituted metadioxane
US4313878A (en) * 1980-12-03 1982-02-02 Timex Corporation 4-Substituted phenyl 4'-(5-n-alkyl-1,3-dioxan-2-yl)benzoates
US4325830A (en) * 1980-12-24 1982-04-20 Timex Corporation Three ring dioxane liquid crystalline compounds
CA1189311A (en) * 1981-11-09 1985-06-25 Nicholas L. Sethofer Liquid crystalline chiral compound, compositions and guest-host display including same
CH655502B (ko) * 1982-02-17 1986-04-30
DE3207114A1 (de) * 1982-02-27 1983-09-08 Merck Patent Gmbh, 6100 Darmstadt 1,3-dioxane
US4512636A (en) * 1982-06-15 1985-04-23 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdon Of Great Britian And Northern Ireland Of Whitehall Liquid crystal compounds
DE3465192D1 (en) * 1983-03-16 1987-09-10 Hoffmann La Roche Liquid crystal components having an alkenyl chain
JPS6028487A (ja) * 1983-07-27 1985-02-13 Alps Electric Co Ltd 液晶組成物
DE3405914A1 (de) * 1984-02-18 1985-08-22 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristalline verbindungen
FR2561657B1 (fr) * 1984-03-20 1988-02-19 Thomson Csf Procede d'obtention d'un cristal liquide smectique c chiral ferroelectrique cristal liquide obtenu par ce procede et dispositif de visualisation utilisant ce cristal liquide
DE3575158D1 (de) * 1984-07-12 1990-02-08 Hoffmann La Roche Fluessigkristalline gemische enthaltend komponenten mit einer 4-alkenyl- oder 2z-alkenyl-seitenkette.
EP0168683B1 (de) * 1984-07-16 1990-11-28 F. Hoffmann-La Roche Ag Flüssigkristalle mit Alkenyl- oder Alkenyloxygruppen
JPS6187777A (ja) * 1984-10-05 1986-05-06 Ajinomoto Co Inc 液晶組成物
JPH0726099B2 (ja) * 1984-11-13 1995-03-22 英国 液晶物質及び装置用に適切なα−ヒドロキシカルボン酸誘導体
GB2170214A (en) * 1985-01-26 1986-07-30 Stc Plc Ferroelectric smectic liquid crystal mixture
DE3447359A1 (de) * 1984-12-24 1986-07-03 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristalline phase
DE3685032D1 (de) * 1985-01-09 1992-06-04 Dainippon Ink & Chemicals Substituierte fluessigkristallverbindungen.
DE3500909A1 (de) * 1985-01-12 1986-07-17 Merck Patent Gmbh, 6100 Darmstadt Pyrimidine
DE3515373A1 (de) * 1985-04-27 1986-11-06 Merck Patent Gmbh, 6100 Darmstadt Stickstoffhaltige heterocyclen
DE3518734A1 (de) * 1985-05-24 1986-11-27 Merck Patent Gmbh, 6100 Darmstadt Smektische fluessigkristalline phasen
GB8520715D0 (en) * 1985-08-19 1985-09-25 Secr Defence Secondary alcohol derivatives
DE3627964C2 (de) * 1985-08-26 2000-11-02 Samsung Electronic Devices Ferroelektrische kristallin-flüssige Derivate verzweigter acyclischer chiraler alpha-Chlorcarbonsäuren, Verfahren zu ihrer Herstellung und ihre Verwendung in Gemischen für schnell schaltende Displays in der Optoelektronik
EP0257048B1 (de) * 1986-02-17 1994-08-24 MERCK PATENT GmbH Optisch aktive verbindungen
EP0263843B1 (en) * 1986-02-21 1992-12-02 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Liquid crystal compounds, mixtures and devices
DD249279A1 (de) * 1986-05-20 1987-09-02 Univ Halle Wittenberg Kristallin-fluessige gemische mit negativer dielektrischer anisotropie
EP0247466B1 (de) * 1986-05-22 1993-11-24 F. Hoffmann-La Roche Ag Flüssigkristalline Derivate von Phenylbenzoat
DE3765842D1 (de) * 1986-05-30 1990-12-06 Hoechst Ag Chirale ester aus alpha-substituierten carbonsaeuren und mesogenen pyrimidin-5-yl-phenolen und ihre verwendung als dotierstoff in fluessigkristall-phasen.
JPS62289574A (ja) * 1986-06-10 1987-12-16 Wako Pure Chem Ind Ltd ２，５ジ置換−１，３−ジオキサン化合物の製法
US4886621A (en) * 1986-09-08 1989-12-12 Merck Patent Gesellschaft Mit Beschrankter Haftung Liquid crystal phase
JPH01139576A (ja) * 1987-04-16 1989-06-01 Seiko Epson Corp ２−フエニル−１、３−ジオキサン誘導体

Also Published As

Publication number Publication date
EP0269963B1 (de) 1995-02-22
DE3751089D1 (de) 1995-03-30
EP0269963A2 (de) 1988-06-08
JPS63137987A (ja) 1988-06-09
KR880006343A (ko) 1988-07-22
JPH08325236A (ja) 1996-12-10
JP2643108B2 (ja) 1997-08-20
JP2572790B2 (ja) 1997-01-16
US5100577A (en) 1992-03-31
KR960006074B1 (ko) 1996-05-08
EP0269963A3 (en) 1990-02-07

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20031120

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)