NO902795D0 - FERROELECTRIC LIQUID CRYSTAL ELEMENTS WITH HIGH SPONTANEOUS POLARIZATION AND LOW HELIKSGANGHEHEYDE. - Google Patents

FERROELECTRIC LIQUID CRYSTAL ELEMENTS WITH HIGH SPONTANEOUS POLARIZATION AND LOW HELIKSGANGHEHEYDE.

Info

Publication number
NO902795D0
NO902795D0 NO902795A NO902795A NO902795D0 NO 902795 D0 NO902795 D0 NO 902795D0 NO 902795 A NO902795 A NO 902795A NO 902795 A NO902795 A NO 902795A NO 902795 D0 NO902795 D0 NO 902795D0
Authority
NO
Norway
Prior art keywords
heliksgangheheyde
liquid crystal
low
ferroelectric liquid
spontaneous polarization
Prior art date
Application number
NO902795A
Other languages
Norwegian (no)
Other versions
NO902795L (en
Inventor
Claus Escher
Wolfgang Hemmerling
Gerhard Illian
Takamasa Harada
Mikio Murakami
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of NO902795D0 publication Critical patent/NO902795D0/en
Publication of NO902795L publication Critical patent/NO902795L/en

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
    • C09K19/58—Dopants or charge transfer agents
    • 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
    • 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
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0225—Ferroelectric
    • 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
    • C09K19/588—Heterocyclic compounds
    • 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
NO90902795A 1989-06-23 1990-06-22 FERROELECTRIC LIQUID CRYSTAL ELEMENTS WITH HIGH SPONTANEOUS POLARIZATION AND LOW HELIKSGANGHEHEYDE. NO902795L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3920625A DE3920625A1 (en) 1989-06-23 1989-06-23 FERROELECTRIC LIQUID CRYSTAL ELEMENTS WITH HIGH SPONTANEOUS POLARIZATION AND LOW HELIXGANGHOEHE

Publications (2)

Publication Number Publication Date
NO902795D0 true NO902795D0 (en) 1990-06-22
NO902795L NO902795L (en) 1990-12-27

Family

ID=6383436

Family Applications (1)

Application Number Title Priority Date Filing Date
NO90902795A NO902795L (en) 1989-06-23 1990-06-22 FERROELECTRIC LIQUID CRYSTAL ELEMENTS WITH HIGH SPONTANEOUS POLARIZATION AND LOW HELIKSGANGHEHEYDE.

Country Status (6)

Country Link
EP (1) EP0404081B1 (en)
JP (1) JP2825318B2 (en)
KR (1) KR0176700B1 (en)
CA (1) CA2019652A1 (en)
DE (2) DE3920625A1 (en)
NO (1) NO902795L (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59009675D1 (en) * 1989-06-29 1995-10-26 Hoffmann La Roche Bistable ferroelectric liquid crystal display.
US5539555A (en) * 1990-07-20 1996-07-23 Displaytech, Inc. High contrast distorted helex effect electro-optic devices and tight ferroelectric pitch ferroelectric liquid crystal compositions useful therein
DE4143139A1 (en) * 1991-12-28 1993-07-01 Hoechst Ag CHIRAL OXIRANYLMETHYL ETHER AND THEIR USE AS DUTIES IN LIQUID CRYSTAL MIXTURES
JPH05297376A (en) * 1992-04-20 1993-11-12 Hoechst Japan Ltd Ferroelectric liquid crystal display element
JPH05297375A (en) * 1992-04-20 1993-11-12 Hoechst Japan Ltd Ferroelectric liquid crystal mixture and display element constituted by using this mixture
JPH06123888A (en) * 1992-10-09 1994-05-06 Canon Inc Liquid crystal element
EP0682098B1 (en) * 1994-04-14 2001-09-05 Canon Kabushiki Kaisha Liquid crystal composition, liquid crystal device and display method using the composition
WO1997024351A1 (en) * 1995-12-28 1997-07-10 Hoechst Research & Technology Deutschland Gmbh & Co.Kg Difluorophenyl pyrimidyl pyridine derivatives and the use thereof in liquid crystal mixtures
EP0844293B1 (en) * 1996-11-21 2002-01-16 Rolic AG Bistable ferroelectric liquid crystal cell
DE19652252A1 (en) * 1996-12-16 1998-06-18 Hoechst Ag 1,3-difluoronaphthalene derivatives and their use in liquid crystalline mixtures
DE19652247A1 (en) * 1996-12-16 1998-06-18 Hoechst Ag 5,7-difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid-crystalline mixtures
DE19653009A1 (en) * 1996-12-19 1998-06-25 Hoechst Ag 6-fluorophenanthridine derivatives and their use in liquid-crystalline mixtures
DE19748440B4 (en) * 1997-11-03 2006-01-19 Aventis Research & Technologies Gmbh & Co Kg 6,7-Difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid-crystalline mixtures, liquid-crystal mixtures containing them and ferroelectric switching and / or display devices
DE19748819A1 (en) 1997-11-05 1999-05-06 Hoechst Ag Fluorinated derivatives of phenanthrene and their use in liquid crystal mixtures
US7452575B2 (en) 2002-12-07 2008-11-18 Merck Patent Gmbh Liquid crystal medium and liquid crystal display with a highly twisted structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283916B1 (en) * 1987-03-20 1993-12-29 Hitachi, Ltd. Liquid crystal light-modulating device imparted with memory effect and display unit utilizing same
JPS6463931A (en) * 1987-03-20 1989-03-09 Hitachi Ltd Liquid crystal optical modulation device
DE3876059D1 (en) * 1987-09-18 1992-12-24 Hoffmann La Roche FERROELECTRIC LIQUID CRYSTAL CELL.

Also Published As

Publication number Publication date
KR910001431A (en) 1991-01-30
JPH0338623A (en) 1991-02-19
EP0404081B1 (en) 1996-01-31
DE59010096D1 (en) 1996-03-14
EP0404081A3 (en) 1991-09-18
JP2825318B2 (en) 1998-11-18
CA2019652A1 (en) 1990-12-23
DE3920625A1 (en) 1991-01-03
EP0404081A2 (en) 1990-12-27
KR0176700B1 (en) 1999-05-01
NO902795L (en) 1990-12-27

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