CH540500A - Elektrooptische Lichtsteuerzelle - Google Patents

Elektrooptische Lichtsteuerzelle

Info

Publication number
CH540500A
CH540500A CH1048271A CH1048271A CH540500A CH 540500 A CH540500 A CH 540500A CH 1048271 A CH1048271 A CH 1048271A CH 1048271 A CH1048271 A CH 1048271A CH 540500 A CH540500 A CH 540500A
Authority
CH
Switzerland
Prior art keywords
electro
light control
control cell
optical light
optical
Prior art date
Application number
CH1048271A
Other languages
English (en)
Inventor
Wolfgang Dr Helfrich
Martin Dr Schadt
Hanspeter Dr Scherrer
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Priority to CH1048271A priority Critical patent/CH540500A/de
Priority to CA145,056A priority patent/CA971259A/en
Priority to GB2898772A priority patent/GB1395795A/en
Priority to CA147,037A priority patent/CA971260A/en
Priority to DE19722234522 priority patent/DE2234522A1/de
Priority to FR7225444A priority patent/FR2146277B1/fr
Priority to NL7209780A priority patent/NL7209780A/xx
Priority to DD16446672A priority patent/DD99449A5/xx
Publication of CH540500A publication Critical patent/CH540500A/de

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)
CH1048271A 1971-07-16 1971-07-16 Elektrooptische Lichtsteuerzelle CH540500A (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH1048271A CH540500A (de) 1971-07-16 1971-07-16 Elektrooptische Lichtsteuerzelle
CA145,056A CA971259A (en) 1971-07-16 1972-06-19 Electro-optical light modulation cell
GB2898772A GB1395795A (en) 1971-07-16 1972-07-05 Electro-optical light-modution cell
CA147,037A CA971260A (en) 1971-07-16 1972-07-13 Electro-optical light modulation cell
DE19722234522 DE2234522A1 (de) 1971-07-16 1972-07-13 Elektro-optische lichtsteuerzelle
FR7225444A FR2146277B1 (de) 1971-07-16 1972-07-13
NL7209780A NL7209780A (de) 1971-07-16 1972-07-14
DD16446672A DD99449A5 (de) 1971-07-16 1972-07-17

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
CH540500A true CH540500A (de) 1973-08-15

Family

ID=4363711

Family Applications (1)

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

Country Status (7)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058477A (en) * 1972-02-23 1977-11-15 Hoffmann-La Roche Inc. Liquid crystal Schiffs bases
US4058478A (en) * 1972-02-23 1977-11-15 Hoffmann-La Roche Inc. Liquid crystal esters
CH577178A5 (de) * 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
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

Also Published As

Publication number Publication date
CA971260A (en) 1975-07-15
FR2146277A1 (de) 1973-03-02
FR2146277B1 (de) 1976-08-06
DE2234522A1 (de) 1973-01-25
CA971259A (en) 1975-07-15
GB1395795A (en) 1975-05-29
DD99449A5 (de) 1973-08-05
NL7209780A (de) 1973-01-18

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Legal Events

Date Code Title Description
PL Patent ceased