DE2234522A1 - Elektro-optische lichtsteuerzelle - Google Patents

Elektro-optische lichtsteuerzelle

Info

Publication number
DE2234522A1
DE2234522A1 DE19722234522 DE2234522A DE2234522A1 DE 2234522 A1 DE2234522 A1 DE 2234522A1 DE 19722234522 DE19722234522 DE 19722234522 DE 2234522 A DE2234522 A DE 2234522A DE 2234522 A1 DE2234522 A1 DE 2234522A1
Authority
DE
Germany
Prior art keywords
light control
control cell
cell according
dielectric
mixture
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.)
Pending
Application number
DE19722234522
Other languages
German (de)
English (en)
Inventor
Arthur Dr Boller
Wolfgang Dr Helfrich
Martin Dr Schadt
Hanspeter Dr Scherrer
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 DE2234522A1 publication Critical patent/DE2234522A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 
    • G02F1/07—Devices 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
    • 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

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal (AREA)
DE19722234522 1971-07-16 1972-07-13 Elektro-optische lichtsteuerzelle Pending DE2234522A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2234522A1 true DE2234522A1 (de) 1973-01-25

Family

ID=4363711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722234522 Pending DE2234522A1 (de) 1971-07-16 1972-07-13 Elektro-optische lichtsteuerzelle

Country Status (7)

Country Link
CA (2) CA971259A (enExample)
CH (1) CH540500A (enExample)
DD (1) DD99449A5 (enExample)
DE (1) DE2234522A1 (enExample)
FR (1) FR2146277B1 (enExample)
GB (1) GB1395795A (enExample)
NL (1) NL7209780A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981817A (en) * 1973-04-04 1976-09-21 Hoffmann-La Roche Inc. Mixtures of liquid crystals
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
US4061587A (en) * 1973-12-17 1977-12-06 Hoffmann-La Roche Inc. Liquid crystalline cinnamic acid esters

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8610681D0 (en) * 1986-05-01 1986-06-04 Secr Defence Electro-optical devices
DE10241301A1 (de) * 2002-09-04 2004-03-18 Merck Patent Gmbh Elektroptisches Lichtsteuerlement, electrooptisches Anzeige und Medium

Cited By (4)

* 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
US3981817A (en) * 1973-04-04 1976-09-21 Hoffmann-La Roche Inc. Mixtures of liquid crystals
US4061587A (en) * 1973-12-17 1977-12-06 Hoffmann-La Roche Inc. Liquid crystalline cinnamic acid esters

Also Published As

Publication number Publication date
FR2146277B1 (enExample) 1976-08-06
GB1395795A (en) 1975-05-29
CA971259A (en) 1975-07-15
NL7209780A (enExample) 1973-01-18
CH540500A (de) 1973-08-15
CA971260A (en) 1975-07-15
FR2146277A1 (enExample) 1973-03-02
DD99449A5 (enExample) 1973-08-05

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