FR2400545A1 - Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides - Google Patents

Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides

Info

Publication number
FR2400545A1
FR2400545A1 FR7725179A FR7725179A FR2400545A1 FR 2400545 A1 FR2400545 A1 FR 2400545A1 FR 7725179 A FR7725179 A FR 7725179A FR 7725179 A FR7725179 A FR 7725179A FR 2400545 A1 FR2400545 A1 FR 2400545A1
Authority
FR
France
Prior art keywords
cpds
pref
mol
electro
display panels
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7725179A
Other languages
English (en)
Other versions
FR2400545B1 (fr
Inventor
Alain Beguin
Annie Zann
Jean-Claude Dubois
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7725179A priority Critical patent/FR2400545A1/fr
Priority to GB7833580A priority patent/GB2003864B/en
Priority to DE19782836086 priority patent/DE2836086A1/de
Publication of FR2400545A1 publication Critical patent/FR2400545A1/fr
Application granted granted Critical
Publication of FR2400545B1 publication Critical patent/FR2400545B1/fr
Granted legal-status Critical Current

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
    • C09K19/04—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
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

L'invention concerne des cristaux liquides présentant au moins une phase mésomorphe du type nématique et, pour certains, une phase de type smectique. Les composés de la famille selon l'invention répondent à la formule générale :
FR7725179A 1977-08-17 1977-08-17 Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides Granted FR2400545A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7725179A FR2400545A1 (fr) 1977-08-17 1977-08-17 Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides
GB7833580A GB2003864B (en) 1977-08-17 1978-08-16 Liquid crystals
DE19782836086 DE2836086A1 (de) 1977-08-17 1978-08-17 Fluessige kristalle vom diestertyp und solche enthaltende elektro-optische vorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7725179A FR2400545A1 (fr) 1977-08-17 1977-08-17 Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides

Publications (2)

Publication Number Publication Date
FR2400545A1 true FR2400545A1 (fr) 1979-03-16
FR2400545B1 FR2400545B1 (fr) 1980-12-26

Family

ID=9194573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7725179A Granted FR2400545A1 (fr) 1977-08-17 1977-08-17 Famille de cristaux liquides de type " diester ", et dispositif electro-optique utilisant de tels cristaux liquides

Country Status (1)

Country Link
FR (1) FR2400545A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019665A1 (fr) * 1979-05-28 1980-12-10 MERCK PATENT GmbH Composés de cristaux liquides
US4257910A (en) * 1978-03-17 1981-03-24 Thomson-Csf Liquid crystal of diester type exhibiting a smectic phase, with low frequency of dielectric isotropy, and display device utilizing this crystal
EP0156726A1 (fr) * 1984-03-20 1985-10-02 Thomson-Csf Procédé d'obtention d'un cristal liquide smectique C chiral ferroélectrique, cristal liquide et dispositif de visualisation utilisant ce cristal liquide.
EP0681020A3 (fr) * 1994-04-14 1996-05-01 Chisso Corp Composition liquide cristalline nématique.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257910A (en) * 1978-03-17 1981-03-24 Thomson-Csf Liquid crystal of diester type exhibiting a smectic phase, with low frequency of dielectric isotropy, and display device utilizing this crystal
EP0019665A1 (fr) * 1979-05-28 1980-12-10 MERCK PATENT GmbH Composés de cristaux liquides
EP0156726A1 (fr) * 1984-03-20 1985-10-02 Thomson-Csf Procédé d'obtention d'un cristal liquide smectique C chiral ferroélectrique, cristal liquide et dispositif de visualisation utilisant ce cristal liquide.
EP0681020A3 (fr) * 1994-04-14 1996-05-01 Chisso Corp Composition liquide cristalline nématique.
US5686018A (en) * 1994-04-14 1997-11-11 Chisso Corporation Nematic liquid crystal composition

Also Published As

Publication number Publication date
FR2400545B1 (fr) 1980-12-26

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Legal Events

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ST Notification of lapse