HK1007446A1 - Bistable ferroelectric liquid cristal display - Google Patents

Bistable ferroelectric liquid cristal display

Info

Publication number
HK1007446A1
HK1007446A1 HK98106598A HK98106598A HK1007446A1 HK 1007446 A1 HK1007446 A1 HK 1007446A1 HK 98106598 A HK98106598 A HK 98106598A HK 98106598 A HK98106598 A HK 98106598A HK 1007446 A1 HK1007446 A1 HK 1007446A1
Authority
HK
Hong Kong
Prior art keywords
ferroelectric liquid
liquid cristal
bistable ferroelectric
cristal display
display
Prior art date
Application number
HK98106598A
Inventor
Leonid Alexeevich Beresnev
Richard Buchecker
Nina Ivanovna Chernova
Vladimir Grigorievic Chigrinov
Jurg Funfschilling
Marina Vasilievna Loseva
Yury Petrovich Panarin
Evgeniy Pavlovich Pozhidaev
Martin Schadt
Original Assignee
Rolic 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 Rolic Ag filed Critical Rolic Ag
Publication of HK1007446A1 publication Critical patent/HK1007446A1/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
    • C09K19/02—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
HK98106598A 1989-06-29 1998-06-25 Bistable ferroelectric liquid cristal display HK1007446A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH240889 1989-06-29
CH244789 1989-06-30
CH378089 1989-10-18

Publications (1)

Publication Number Publication Date
HK1007446A1 true HK1007446A1 (en) 1999-04-09

Family

ID=27173694

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98106598A HK1007446A1 (en) 1989-06-29 1998-06-25 Bistable ferroelectric liquid cristal display

Country Status (5)

Country Link
EP (1) EP0405346B1 (en)
JP (1) JP2836703B2 (en)
KR (1) KR0171891B1 (en)
DE (1) DE59009675D1 (en)
HK (1) HK1007446A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3308626B2 (en) * 1992-02-12 2002-07-29 キヤノン株式会社 Liquid crystal compound, liquid crystal composition containing the same, liquid crystal element having the same, display method using them, and display device
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
EP0813096A1 (en) * 1996-06-12 1997-12-17 Rolic AG Liquid crystal display device, switching device, or image processing device
DE59706003D1 (en) * 1996-11-21 2002-02-21 Rolic Ag Zug Bistable ferroelectric liquid crystal cell
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
KR100320102B1 (en) * 1998-11-21 2002-04-22 김원대 Vertically Aligned Helix-Deformed Liquid Crystal Display
KR20020079442A (en) 2001-04-13 2002-10-19 미츠비시 가스 가가쿠 가부시키가이샤 Optically active compound and liquid crystal composition containing the compound
EP2399972B1 (en) * 2010-06-25 2015-11-25 Merck Patent GmbH Liquid-crystalline medium and liquid-crystal display having high twist
CN109097067B (en) * 2017-06-20 2021-12-21 江苏和成显示科技有限公司 Liquid crystal composition and application thereof in liquid crystal display device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2647828B2 (en) * 1985-07-17 1997-08-27 キヤノン株式会社 Liquid crystal device manufacturing method
JPS6236634A (en) * 1985-08-12 1987-02-17 Seikosha Co Ltd Liquid crystal display device
DE3886574T2 (en) * 1987-03-20 1994-08-11 Hitachi Ltd Liquid crystal light modulator, provided with a memory effect and a display unit containing this modulator.
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.
DE3920625A1 (en) * 1989-06-23 1991-01-03 Hoechst Ag FERROELECTRIC LIQUID CRYSTAL ELEMENTS WITH HIGH SPONTANEOUS POLARIZATION AND LOW HELIXGANGHOEHE

Also Published As

Publication number Publication date
DE59009675D1 (en) 1995-10-26
EP0405346A2 (en) 1991-01-02
JP2836703B2 (en) 1998-12-14
EP0405346A3 (en) 1991-09-18
JPH03136020A (en) 1991-06-10
KR0171891B1 (en) 1999-03-20
EP0405346B1 (en) 1995-09-20

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20060622