FR2274355A1 - Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme - Google Patents

Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme

Info

Publication number
FR2274355A1
FR2274355A1 FR7420714A FR7420714A FR2274355A1 FR 2274355 A1 FR2274355 A1 FR 2274355A1 FR 7420714 A FR7420714 A FR 7420714A FR 7420714 A FR7420714 A FR 7420714A FR 2274355 A1 FR2274355 A1 FR 2274355A1
Authority
FR
France
Prior art keywords
mesomorphism
mixture
wide range
liquid crystals
dielectric anisotropy
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
FR7420714A
Other languages
English (en)
Other versions
FR2274355B1 (fr
Inventor
Andre Coutet
Jean-Claude Dubois
Annie Zann
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 FR7420714A priority Critical patent/FR2274355A1/fr
Priority to US05/585,869 priority patent/US3979321A/en
Priority to JP50071868A priority patent/JPS5111083A/ja
Priority to GB25454/75A priority patent/GB1508187A/en
Priority to DE19752526520 priority patent/DE2526520A1/de
Publication of FR2274355A1 publication Critical patent/FR2274355A1/fr
Application granted granted Critical
Publication of FR2274355B1 publication Critical patent/FR2274355B1/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
    • C09K19/22—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 nitrogen atoms as chain links, e.g. Schiff bases
    • 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
    • C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • C09K19/48—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing Schiff bases
FR7420714A 1974-06-14 1974-06-14 Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme Granted FR2274355A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7420714A FR2274355A1 (fr) 1974-06-14 1974-06-14 Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme
US05/585,869 US3979321A (en) 1974-06-14 1975-06-11 Mixture of liquid crystals exhibiting positive dielectric anisotropy and a wide mesomorphic range
JP50071868A JPS5111083A (fr) 1974-06-14 1975-06-13
GB25454/75A GB1508187A (en) 1974-06-14 1975-06-13 Mesomorphic mixture comprising a para-substituted benzylidene para-fluoraniline and/or a para-fluorobenzylidene para-substituted aniline
DE19752526520 DE2526520A1 (de) 1974-06-14 1975-06-13 Fluessigkristall-gemisch mit einer positiven dielektrischen anisotropie und einem weiten mesomorphiebereich

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7420714A FR2274355A1 (fr) 1974-06-14 1974-06-14 Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme

Publications (2)

Publication Number Publication Date
FR2274355A1 true FR2274355A1 (fr) 1976-01-09
FR2274355B1 FR2274355B1 (fr) 1976-10-15

Family

ID=9140070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7420714A Granted FR2274355A1 (fr) 1974-06-14 1974-06-14 Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme

Country Status (5)

Country Link
US (1) US3979321A (fr)
JP (1) JPS5111083A (fr)
DE (1) DE2526520A1 (fr)
FR (1) FR2274355A1 (fr)
GB (1) GB1508187A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138358A (en) * 1976-02-09 1979-02-06 Temple University Liquid crystal compositions
GB2009219B (en) * 1977-11-02 1982-04-28 Secr Defence Liquid ctystal material mixtures and devices incorporating such mixtures
DE2907332A1 (de) * 1979-02-24 1980-09-18 Merck Patent Gmbh Fluorphenylcyclohexane, verfahren zu ihrer herstellung und ihre verwendung als komponenten fluessigkristalliner dielektrika
DE3102017C2 (de) * 1980-01-25 1983-04-14 Chisso Corp., Osaka Halogenierte Esterderivate und Flüssigkristallzusammensetzungen, welche diese enthalten
US4399298A (en) * 1980-02-15 1983-08-16 Chisso Corporation Carboxylic acid ester derivatives of 4-fluorophenol
JPH09159997A (ja) * 1995-12-07 1997-06-20 Sharp Corp 液晶パネルの欠陥候補箇所検出方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE795775A (fr) * 1972-02-23 1973-08-22 Hoffmann La Roche Bases de schiff cristallines liquides
US3872140A (en) * 1972-07-03 1975-03-18 Eastman Kodak Co Liquid crystalline compositions and method
SE409724B (sv) * 1972-11-09 1979-09-03 Secr Defence Brit Flytande kristallkomposition
US3891307A (en) * 1973-03-20 1975-06-24 Matsushita Electric Ind Co Ltd Phase control of the voltages applied to opposite electrodes for a cholesteric to nematic phase transition display
JPS49130882A (fr) * 1973-04-24 1974-12-14

Also Published As

Publication number Publication date
DE2526520A1 (de) 1976-01-02
FR2274355B1 (fr) 1976-10-15
JPS5111083A (fr) 1976-01-28
GB1508187A (en) 1978-04-19
US3979321A (en) 1976-09-07

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Legal Events

Date Code Title Description
ST Notification of lapse