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AT291364B - Lichtventil - Google Patents

Lichtventil

Info

Publication number
AT291364B
AT291364B AT1215568A AT1215568A AT291364B AT 291364 B AT291364 B AT 291364B AT 1215568 A AT1215568 A AT 1215568A AT 1215568 A AT1215568 A AT 1215568A AT 291364 B AT291364 B AT 291364B
Authority
AT
Austria
Prior art keywords
light valve
valve
light
Prior art date
Application number
AT1215568A
Other languages
English (en)
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of AT291364B publication Critical patent/AT291364B/de

Links

Classifications

    • 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
    • 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
    • C09K19/42Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • C09K19/50Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing steroidal liquid crystal compounds
    • 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 
    • G02F1/13Devices 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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137Devices 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 liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13718Devices 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 liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a change of the texture state of a cholesteric liquid crystal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Steroid Compounds (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
AT1215568A 1967-12-13 1968-12-13 Lichtventil AT291364B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69030967A 1967-12-13 1967-12-13

Publications (1)

Publication Number Publication Date
AT291364B true AT291364B (de) 1971-07-12

Family

ID=24771967

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1215568A AT291364B (de) 1967-12-13 1968-12-13 Lichtventil

Country Status (13)

Country Link
JP (2) JPS49533B1 (de)
AT (1) AT291364B (de)
BE (1) BE725368A (de)
BR (1) BR6804868D0 (de)
CH (1) CH500502A (de)
DE (1) DE1814619C3 (de)
ES (1) ES361304A1 (de)
FR (1) FR1598439A (de)
GB (1) GB1246847A (de)
IL (1) IL31012A (de)
MY (1) MY7400246A (de)
NL (1) NL6817844A (de)
SE (1) SE355081B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556289A (en) * 1983-03-21 1985-12-03 Manchester R & D Partnership Low birefringence encapsulated liquid crystal and optical shutter using same

Also Published As

Publication number Publication date
BE725368A (de) 1969-05-16
BR6804868D0 (pt) 1973-08-09
SE355081B (de) 1973-04-02
MY7400246A (en) 1974-12-31
DE1814619A1 (de) 1970-06-25
IL31012A (en) 1974-09-10
FR1598439A (de) 1970-07-06
NL6817844A (de) 1969-06-17
IL31012A0 (en) 1969-01-29
CH500502A (de) 1970-12-15
DE1814619B2 (de) 1978-04-13
DE1814619C3 (de) 1979-01-11
JPS49533B1 (de) 1974-01-08
JPS5028269B1 (de) 1975-09-13
ES361304A1 (es) 1970-11-01
GB1246847A (en) 1971-09-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee