FR2146277A1 - - Google Patents

Info

Publication number
FR2146277A1
FR2146277A1 FR7225444A FR7225444A FR2146277A1 FR 2146277 A1 FR2146277 A1 FR 2146277A1 FR 7225444 A FR7225444 A FR 7225444A FR 7225444 A FR7225444 A FR 7225444A FR 2146277 A1 FR2146277 A1 FR 2146277A1
Authority
FR
France
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
FR7225444A
Other languages
French (fr)
Other versions
FR2146277B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche 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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of FR2146277A1 publication Critical patent/FR2146277A1/fr
Application granted granted Critical
Publication of FR2146277B1 publication Critical patent/FR2146277B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/07Devices 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 electro-optical liquids exhibiting Kerr effect
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/04Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06Non-steroidal liquid crystal compounds
    • C09K19/08Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/22Non-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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7225444A 1971-07-16 1972-07-13 Expired FR2146277B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1048271A CH540500A (de) 1971-07-16 1971-07-16 Elektrooptische Lichtsteuerzelle

Publications (2)

Publication Number Publication Date
FR2146277A1 true FR2146277A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-03-02
FR2146277B1 FR2146277B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-08-06

Family

ID=4363711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7225444A Expired FR2146277B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-07-16 1972-07-13

Country Status (7)

Country Link
CA (2) CA971259A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH540500A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DD (1) DD99449A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2234522A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2146277B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1395795A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7209780A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987006719A1 (en) * 1986-05-01 1987-11-05 The Secretary Of State For Defence In Her Britanni Electro-optical devices

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058478A (en) * 1972-02-23 1977-11-15 Hoffmann-La Roche Inc. Liquid crystal esters
US4058477A (en) * 1972-02-23 1977-11-15 Hoffmann-La Roche Inc. Liquid crystal Schiffs bases
CH577178A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-04-04 1976-06-30 Hoffmann La Roche
US4061587A (en) * 1973-12-17 1977-12-06 Hoffmann-La Roche Inc. Liquid crystalline cinnamic acid esters
DE10241301A1 (de) * 2002-09-04 2004-03-18 Merck Patent Gmbh Elektroptisches Lichtsteuerlement, electrooptisches Anzeige und Medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987006719A1 (en) * 1986-05-01 1987-11-05 The Secretary Of State For Defence In Her Britanni Electro-optical devices

Also Published As

Publication number Publication date
FR2146277B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-08-06
DD99449A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-08-05
CH540500A (de) 1973-08-15
CA971259A (en) 1975-07-15
DE2234522A1 (de) 1973-01-25
NL7209780A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-01-18
CA971260A (en) 1975-07-15
GB1395795A (en) 1975-05-29

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Legal Events

Date Code Title Description
ST Notification of lapse