DE2239700A1 - Fluessigkristalline zusammensetzung mit einer cholesterischen mesophase und deren verwendung in optischen verfahren - Google Patents

Fluessigkristalline zusammensetzung mit einer cholesterischen mesophase und deren verwendung in optischen verfahren

Info

Publication number
DE2239700A1
DE2239700A1 DE2239700A DE2239700A DE2239700A1 DE 2239700 A1 DE2239700 A1 DE 2239700A1 DE 2239700 A DE2239700 A DE 2239700A DE 2239700 A DE2239700 A DE 2239700A DE 2239700 A1 DE2239700 A1 DE 2239700A1
Authority
DE
Germany
Prior art keywords
compounds
liquid
optically
optically inactive
outwardly
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
DE2239700A
Other languages
German (de)
English (en)
Inventor
Franklin D Saeva
Joseph J Wysocki
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of DE2239700A1 publication Critical patent/DE2239700A1/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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—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 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
    • G02F1/13725—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 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 guest-host interaction
    • 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
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/58—Dopants or charge transfer agents
    • C09K19/586—Optically active dopants; chiral dopants
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal elements
    • 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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—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 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE2239700A 1971-10-22 1972-08-11 Fluessigkristalline zusammensetzung mit einer cholesterischen mesophase und deren verwendung in optischen verfahren Pending DE2239700A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19167171A 1971-10-22 1971-10-22

Publications (1)

Publication Number Publication Date
DE2239700A1 true DE2239700A1 (de) 1973-04-26

Family

ID=22706444

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2239700A Pending DE2239700A1 (de) 1971-10-22 1972-08-11 Fluessigkristalline zusammensetzung mit einer cholesterischen mesophase und deren verwendung in optischen verfahren

Country Status (7)

Country Link
US (1) US3780307A (enExample)
JP (1) JPS4851647A (enExample)
CA (1) CA1000484A (enExample)
DE (1) DE2239700A1 (enExample)
FR (1) FR2156838B1 (enExample)
GB (1) GB1408059A (enExample)
NL (1) NL7214279A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3049394A1 (de) * 1979-12-26 1981-09-24 Sharp K.K., Osaka "fluessigkristall-anzeigevorrichtung mit verdreht-nematischem fluessigkristallmaterial"

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836230A (en) * 1973-06-27 1974-09-17 Xerox Corp Liquid crystal display system
US3942871A (en) * 1974-04-29 1976-03-09 Xerox Corporation Liquid crystalline optical filter
US3943369A (en) * 1974-04-29 1976-03-09 Xerox Corporation Liquid crystalline information transfer
US3942872A (en) * 1974-04-29 1976-03-09 Xerox Corporation Liquid crystalline display
US3942007A (en) * 1974-04-29 1976-03-02 Xerox Corporation Liquid crystalline image converter
CA1028538A (en) * 1974-04-29 1978-03-28 Xerox Corporation Liquid crystalline light modulation
US3942870A (en) * 1974-04-29 1976-03-09 Xerox Corporation Liquid crystalline optical filter
US4040749A (en) * 1975-02-05 1977-08-09 Monsanto Research Corporation Organic vapor detection with liquid crystals
US3957346A (en) * 1975-03-26 1976-05-18 Xerox Corporation Method for altering elliptically polarized light
US3957348A (en) * 1975-03-26 1976-05-18 Xerox Corporation Method for altering elliptically polarized light
US3957345A (en) * 1975-03-26 1976-05-18 Xerox Corporation Information transfer system
US3957347A (en) * 1975-03-26 1976-05-18 Xerox Corporation Selectively variable circularly dichroic filtering method
US3957344A (en) * 1975-03-26 1976-05-18 Xerox Corporation Information transfer system
IE56194B1 (en) * 1985-01-07 1991-05-08 Scully Richard L Infrared imaging system
US5050966A (en) * 1988-07-06 1991-09-24 Kaiser Aerospace & Electronics Corporation Optical combiner collimating apparatus
JPH0223304A (ja) * 1988-07-12 1990-01-25 Toray Ind Inc 可視偏光フイルム
US5434032A (en) * 1992-11-06 1995-07-18 Board Of Regents, The University Of Texas System Infrared imaging methods and systems
KR100736115B1 (ko) * 2000-11-07 2007-07-06 엘지.필립스 엘시디 주식회사 액정 광학필름
JP2005022292A (ja) * 2003-07-03 2005-01-27 Nippon Oil Corp 対象物の識別構造およびその構造が設けられた対象物

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364433A (en) * 1967-03-10 1968-01-16 Bell Telephone Labor Inc Molecular swarm liquid crystal optical parametric devices
US3597044A (en) * 1968-09-03 1971-08-03 Rca Corp Electro-optic light modulator
US3627699A (en) * 1969-04-30 1971-12-14 Westinghouse Electric Corp Liquid crystal cholesteric material and sensitizing agent composition and method for detecting electromagnetic radiation
US3622224A (en) * 1969-08-20 1971-11-23 Xerox Corp Liquid crystal alpha-numeric electro-optic imaging device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3049394A1 (de) * 1979-12-26 1981-09-24 Sharp K.K., Osaka "fluessigkristall-anzeigevorrichtung mit verdreht-nematischem fluessigkristallmaterial"

Also Published As

Publication number Publication date
FR2156838B1 (enExample) 1977-08-05
FR2156838A1 (enExample) 1973-06-01
NL7214279A (enExample) 1973-04-25
JPS4851647A (enExample) 1973-07-20
CA1000484A (en) 1976-11-30
US3780307A (en) 1973-12-18
GB1408059A (en) 1975-10-01

Similar Documents

Publication Publication Date Title
DE2239700A1 (de) Fluessigkristalline zusammensetzung mit einer cholesterischen mesophase und deren verwendung in optischen verfahren
DE3752339T2 (de) Flüssigkristallanzeigevorrichtung
DE69228874T2 (de) Flüssigkristall lichtmodulierungs-vorrichtung und -material
DE2500838A1 (de) Verfahren zur modulierung von licht mittels einer elektro-optischen vorrichtung
DE69229003T2 (de) Flüssigkristalline, lichtmodulierende vorrichtung und material
DE2236467C3 (de) Bildanzeigevorrichtung
EP0689084B1 (de) Optisches Bauelement aus Schichten vernetzter flüssigkristalliner Monomere und Verfahren zu seiner Herstellung
DE2418364C3 (de) Elektrooptisches Anzeigeelement mit einem nematischen Flüssigkristallsystem mit positiver dielektrischer Anisotropie
DE2508822C3 (de) Elektrooptisch« Farbbildwiedergabevorrichtung
DE69231849T2 (de) Anzeigeelement und sein herstellungsverfahren
DE2212524A1 (de) Verfahren zur Erzeugung des Grandjean-Strukturzustandes in einer Fluessigkristall-Masse
DE3238702C2 (enExample)
DE69933364T2 (de) Farbfilterschicht mit cholesterisch geordnetem Material und eine mit solch einer Farbfilterschicht versehene reflektierende Flüssigkristallanzeige
DE2432601C2 (de) Vorrichtung zur Modulierung von einfarbigem Licht
CH638624A5 (de) Elektrooptisches fluessigkristall-anzeigegeraet.
DE4303335B4 (de) Ferroelektrische Flüssigkristall-Mischungen mit kurzer ferroelektrischer Ganghöhe
DE2854310A1 (de) Nematisch-fluessige kristalle fuer anzeigevorrichtungen
CH640954A5 (de) Fluessigkristall-anzeigevorrichtung.
DE3327300C2 (enExample)
WO1984002198A1 (fr) Polarisateur circulaire chromo-selectif et son utilisation
DE3415638A1 (de) Fluessigkristallanzeigeeinrichtung
DE3921837A1 (de) Elektrooptische vorrichtung
DE2538186A1 (de) Darstellungsverfahren unter verwendung von fluessigkristallen
DE2658568C2 (de) Flüssigkristall-Darstellungseinrichtung mit einem pleochroitischen Farbstoff-Gastmaterial und einem nematischen Flüssigkristall-Wirtmaterial
DE60220158T2 (de) Flüssigkristallzusammensetzung und reflektive flüssigkristallanzeige