CH627777A5 - Cristaux liquides. - Google Patents

Cristaux liquides. Download PDF

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Publication number
CH627777A5
CH627777A5 CH37778A CH37778A CH627777A5 CH 627777 A5 CH627777 A5 CH 627777A5 CH 37778 A CH37778 A CH 37778A CH 37778 A CH37778 A CH 37778A CH 627777 A5 CH627777 A5 CH 627777A5
Authority
CH
Switzerland
Prior art keywords
liquid crystals
eoo
bodies
integer
crystals according
Prior art date
Application number
CH37778A
Other languages
English (en)
French (fr)
Inventor
Jean Claude Dubois
Tinh Nguyen Huu
Annie Zann
Original Assignee
Thomson Csf
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 filed Critical Thomson Csf
Publication of CH627777A5 publication Critical patent/CH627777A5/fr

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
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/001—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by modification in a side chain
    • C07C37/002—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by modification in a side chain by transformation of a functional group, e.g. oxo, carboxyl
    • 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
    • C09K19/2014—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 containing additionally a linking group other than -COO- or -OCO-, e.g. -CH2-CH2-, -CH=CH-, -C=C-; containing at least one additional carbon atom in the chain containing -COO- or -OCO- groups, e.g. -(CH2)m-COO-(CH2)n-

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH37778A 1977-01-14 1978-01-13 Cristaux liquides. CH627777A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701068A FR2377441A1 (fr) 1977-01-14 1977-01-14 Nouvelle famille de cristaux liquides de proprietes ameliorees, et dispositifs utilisant de tels cristaux liquides

Publications (1)

Publication Number Publication Date
CH627777A5 true CH627777A5 (fr) 1982-01-29

Family

ID=9185517

Family Applications (1)

Application Number Title Priority Date Filing Date
CH37778A CH627777A5 (fr) 1977-01-14 1978-01-13 Cristaux liquides.

Country Status (3)

Country Link
US (1) US4147655A (US20020095090A1-20020718-M00002.png)
CH (1) CH627777A5 (US20020095090A1-20020718-M00002.png)
FR (1) FR2377441A1 (US20020095090A1-20020718-M00002.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425469A1 (fr) * 1978-05-08 1979-12-07 Thomson Csf Cristal liquide a grande anisotropie dielectrique negative, dont la formule chimique contient un noyau diphenylethane et dispositif electro-optique utilisant ce cristal liquide
DE3068730D1 (en) * 1979-12-07 1984-08-30 Thomson Csf Mixture of disc-like liquid crystals, electrooptical device using such a mixture and method for the orientation of the molecules in the mixture
FR2470788A1 (fr) * 1979-12-07 1981-06-12 Thomson Csf Melange de cristaux liquides, derives du triphenylene, utilisable dans les dispositifs electro-optiques
US4363767A (en) * 1980-01-11 1982-12-14 VEB Werk fur Fernsehelektronik Berlin im VEB Kombinat Mikroelektronik Esters of 4-[2,2-dicyano-ethenyl]-phenols
EP0122389B1 (de) * 1983-03-16 1987-08-05 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Flüssigkristallkomponenten mit einer Alkenylseitenkette
DE3332691A1 (de) * 1983-09-10 1985-03-28 Merck Patent Gmbh, 6100 Darmstadt Anisotrope verbindungen und fluessigkristallmischungen
US5252252A (en) * 1983-09-10 1993-10-12 Merck Patent Gesellschaft Mit Beschraenkter Haftung Anisotropic compounds and liquid crystal mixtures
DE3332692A1 (de) * 1983-09-10 1985-03-28 Merck Patent Gmbh, 6100 Darmstadt Anisotrope verbindungen und fluessigkristallmischungen
DE3575158D1 (de) * 1984-07-12 1990-02-08 Hoffmann La Roche Fluessigkristalline gemische enthaltend komponenten mit einer 4-alkenyl- oder 2z-alkenyl-seitenkette.
US5238602A (en) * 1984-07-16 1993-08-24 Hoffmann La Roche Inc. Liquid crystals
FR2604440B1 (fr) * 1986-09-30 1988-11-10 Thomson Csf Polymeres mesomorphes a chaines laterales derives du 1-(phenyl)-2-(4-cyanophenyl) ethane
DE4018651B4 (de) * 1990-06-11 2005-12-22 Merck Patent Gmbh Flüssigkristallines Medium und seine Verwendung
DE4211694B4 (de) * 1992-04-08 2006-06-01 Merck Patent Gmbh Flüssigkristalline Verbindungen
EP1764405A1 (en) * 2005-09-20 2007-03-21 Rolic AG Functionalized photoreactive compounds

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767289A (en) * 1970-12-31 1973-10-23 Ibm Class of stable trans-stilbene compounds, some displaying nematic mesophases at or near room temperature and others in a range up to 100{20 {11 c
BE787198A (fr) * 1971-08-07 1973-02-05 Merck Patent Gmbh Composes et melanges nematiques
US3876286A (en) * 1972-06-14 1975-04-08 Werk Fernsehelektronik Veb Use of nematic liquid crystalline substances
NL7211383A (US20020095090A1-20020718-M00002.png) * 1972-08-18 1974-02-20
NL7305413A (US20020095090A1-20020718-M00002.png) * 1973-04-18 1974-10-22
US3951846A (en) * 1974-06-28 1976-04-20 Rca Corporation Novel liquid crystal electro-optic devices

Also Published As

Publication number Publication date
FR2377441A1 (fr) 1978-08-11
FR2377441B1 (US20020095090A1-20020718-M00002.png) 1980-05-09
US4147655A (en) 1979-04-03

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