DE69428101T2 - Polymer-dispergiertes, ferroelektrisches, smectisches Flüssigkristall - Google Patents

Polymer-dispergiertes, ferroelektrisches, smectisches Flüssigkristall

Info

Publication number
DE69428101T2
DE69428101T2 DE69428101T DE69428101T DE69428101T2 DE 69428101 T2 DE69428101 T2 DE 69428101T2 DE 69428101 T DE69428101 T DE 69428101T DE 69428101 T DE69428101 T DE 69428101T DE 69428101 T2 DE69428101 T2 DE 69428101T2
Authority
DE
Germany
Prior art keywords
liquid crystal
polymer
dispersed
ferroelectric
smectic liquid
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.)
Expired - Fee Related
Application number
DE69428101T
Other languages
English (en)
Other versions
DE69428101D1 (de
Inventor
Satyendra Kumar
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.)
Kent State University
Original Assignee
Kent State University
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 Kent State University filed Critical Kent State University
Publication of DE69428101D1 publication Critical patent/DE69428101D1/de
Application granted granted Critical
Publication of DE69428101T2 publication Critical patent/DE69428101T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542—Macromolecular compounds
    • C09K19/544—Macromolecular compounds as dispersing or encapsulating medium around the liquid crystal
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • 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
    • G02F1/139—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 orientation effects in which the liquid crystal remains transparent
    • G02F1/141—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 orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
DE69428101T 1994-02-01 1994-02-01 Polymer-dispergiertes, ferroelektrisches, smectisches Flüssigkristall Expired - Fee Related DE69428101T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94101493A EP0665279B1 (de) 1994-02-01 1994-02-01 Polymer-dispergiertes, ferroelektrisches, smectisches Flüssigkristall

Publications (2)

Publication Number Publication Date
DE69428101D1 DE69428101D1 (de) 2001-10-04
DE69428101T2 true DE69428101T2 (de) 2002-04-18

Family

ID=8215644

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428101T Expired - Fee Related DE69428101T2 (de) 1994-02-01 1994-02-01 Polymer-dispergiertes, ferroelektrisches, smectisches Flüssigkristall

Country Status (3)

Country Link
EP (1) EP0665279B1 (de)
AT (1) ATE204896T1 (de)
DE (1) DE69428101T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9602919D0 (en) * 1996-02-13 1996-04-10 Univ Court Of Napier The Unive Alignment technique
JPH09281528A (ja) * 1996-04-17 1997-10-31 Sharp Corp 強誘電性液晶素子、その製造方法、及び液晶素子の製造方法
GB2320103A (en) * 1996-12-05 1998-06-10 Sharp Kk Liquid crystal devices
US6556262B1 (en) * 2000-01-06 2003-04-29 Eastman Kodak Company Display sheet having memory using limited coalescence domains
EP1162250B1 (de) * 2000-06-06 2004-05-06 D.D. Tech, Inc. Polymer-/Flüssigkristall-Kompositmaterial verwendet in Flüssigkristallanzeige
US20150138496A1 (en) 2013-11-18 2015-05-21 Nano And Advanced Materials Institute Limited Polymer Stabilized Electrically Suppressed Helix Ferroelectric Liquid Crystal Cell

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0238626B1 (de) * 1985-09-17 1995-05-03 Kent State University Flüssigkristalline, licht-modulierende materialien
JPH01145635A (ja) * 1987-12-01 1989-06-07 Seiko Epson Corp 液晶表示体の製造方法
JPH01145636A (ja) * 1987-12-01 1989-06-07 Seiko Epson Corp 液晶表示体の製造方法
DE68914207T2 (de) * 1988-07-26 1994-11-17 Idemitsu Kosan Co Ferroelektrische flüssigkristalline Zusammensetzung, diese Zusammensetzung verwendende optische Vorrichtung und Verfahren zur Herstellung dieser optischen Vorrichtung.
DE69208125T2 (de) * 1991-03-26 1996-08-29 Philips Electronics Nv Lichtstreuelement
US5437811A (en) * 1991-05-02 1995-08-01 Kent State University Liquid crystalline light modulating device and material
WO1993007527A1 (fr) * 1991-10-01 1993-04-15 Aktsionernoe Obschestvo 'sistemy Novykh Tekhnology' (Sinto Ltd) Matiere electro-optique, son procede d'obtention et dispositif de modulation de lumiere

Also Published As

Publication number Publication date
EP0665279A1 (de) 1995-08-02
ATE204896T1 (de) 2001-09-15
EP0665279B1 (de) 2001-08-29
DE69428101D1 (de) 2001-10-04

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee