DD299989A5 - Flüssigkristallanzeigezelle - Google Patents

Flüssigkristallanzeigezelle Download PDF

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Publication number
DD299989A5
DD299989A5 DD339037A DD33903788A DD299989A5 DD 299989 A5 DD299989 A5 DD 299989A5 DD 339037 A DD339037 A DD 339037A DD 33903788 A DD33903788 A DD 33903788A DD 299989 A5 DD299989 A5 DD 299989A5
Authority
DD
German Democratic Republic
Prior art keywords
liquid crystal
smectic
cell
electric field
tilt angle
Prior art date
Application number
DD339037A
Other languages
German (de)
English (en)
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of DD299989A5 publication Critical patent/DD299989A5/de

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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
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
    • C09K19/126—Compounds containing at least one asymmetric carbon atom
    • 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
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3441—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom
    • C09K19/345—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
    • C09K19/3458—Uncondensed pyrimidines
    • 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
    • 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
    • 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
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
    • C09K2019/121—Compounds containing phenylene-1,4-diyl (-Ph-)
    • C09K2019/123—Ph-Ph-Ph

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Substances (AREA)
  • Liquid Crystal (AREA)
DD339037A 1987-09-18 1988-09-16 Flüssigkristallanzeigezelle DD299989A5 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH360787 1987-09-18
CH364087 1987-09-21
CH372287 1987-09-25
CH155588 1988-04-26

Publications (1)

Publication Number Publication Date
DD299989A5 true DD299989A5 (de) 1992-05-14

Family

ID=27428219

Family Applications (1)

Application Number Title Priority Date Filing Date
DD339037A DD299989A5 (de) 1987-09-18 1988-09-16 Flüssigkristallanzeigezelle

Country Status (8)

Country Link
US (2) US6671028B1 (xx)
EP (1) EP0309774B1 (xx)
JP (1) JP2532606B2 (xx)
KR (1) KR970000352B1 (xx)
CN (1) CN1032182A (xx)
DD (1) DD299989A5 (xx)
DE (1) DE3876059D1 (xx)
HK (1) HK44096A (xx)

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US5242619A (en) * 1988-04-27 1993-09-07 Hoffmann-La Roche Inc. Liquid crystalline mixtures having a chiral tilted smectic phase
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US5327273A (en) * 1989-06-29 1994-07-05 Hoffmann-La Roche Inc. Bistable ferroelectric liquid crystal display cell
EP0405346B1 (de) * 1989-06-29 1995-09-20 F. Hoffmann-La Roche Ag Bistabile ferroelektrische Flüssigkristallanzeige
US5381253A (en) * 1991-11-14 1995-01-10 Board Of Regents Of University Of Colorado Chiral smectic liquid crystal optical modulators having variable retardation
US5132826A (en) * 1989-10-30 1992-07-21 The University Of Colorado Foundation, Inc. Ferroelectric liquid crystal tunable filters and color generation
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
US5552912A (en) * 1991-11-14 1996-09-03 Board Of Regents Of The University Of Colorado Chiral smectic liquid crystal optical modulators
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US5818548A (en) * 1995-11-07 1998-10-06 Rolic Ag Ferroelectric liquid crystal display in which the switching angle does not exceed ± 22.5°
SG50846A1 (en) * 1996-06-12 1998-07-20 Rolic Ag Liquid crystalline display switching or image processing apparatus
DE59706003D1 (de) * 1996-11-21 2002-02-21 Rolic Ag Zug Bistabile ferroelektrische Flüssigkristallzelle
JP3144329B2 (ja) * 1996-12-25 2001-03-12 日本電気株式会社 液晶表示素子
US6606134B1 (en) 1997-03-11 2003-08-12 Rolic Ag Reflective ferroelectric liquid crystal display and projection system
DE19852890A1 (de) * 1998-11-17 2000-05-18 Deutsche Telekom Ag Elektrooptischer Lichtmodulator
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JP2001019960A (ja) 1999-07-08 2001-01-23 Nec Corp スメクティック液晶材料及び液晶光学素子
DE19941079A1 (de) * 1999-08-30 2001-03-01 Deutsche Telekom Ag Vorrichtung und Verfahren zum temperaturunabhängigen Betrieb von elektrooptischen Schaltern auf der Gundlage ferroelektrischer Flüssigkeitskristalle mit deformierter Helix
KR20020079442A (ko) * 2001-04-13 2002-10-19 미츠비시 가스 가가쿠 가부시키가이샤 광학 활성화합물 및 그것을 함유하는 액정조성물
JP2004532345A (ja) * 2001-06-13 2004-10-21 メルク　パテント　ゲゼルシャフト　ミット　ベシュレンクテル　ハフトング 液晶媒体および高ねじれ液晶ディスプレイデバイス
US6805921B2 (en) 2001-08-09 2004-10-19 Mitsubishi Gas Chemical Co., Inc. Optically active compound and nematic liquid crystal composition containing the compound
TWI302565B (en) * 2002-06-28 2008-11-01 Dainippon Ink & Chemicals Method of increasing helical twisting power,optically active compound,liquid crystal composition containing the same,and liquid crystal display device
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GB2398130A (en) * 2003-02-05 2004-08-11 Ocuity Ltd Switchable active lens for display apparatus
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TWI443180B (zh) * 2010-12-23 2014-07-01 Ind Tech Res Inst 對掌性雙萘基化合物
JP5672391B2 (ja) * 2011-11-15 2015-02-18 Dic株式会社 強誘電性液晶組成物及び強誘電性液晶表示素子
TWI490616B (zh) * 2011-12-02 2015-07-01 群創光電股份有限公司 液晶顯示裝置
RU2503984C1 (ru) * 2012-05-30 2014-01-10 Игорь Николаевич Компанец Сегнетоэлектрическая жидкокристаллическая дисплейная ячейка
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Also Published As

Publication number Publication date
EP0309774A3 (en) 1989-09-27
DE3876059D1 (de) 1992-12-24
KR970000352B1 (en) 1997-01-08
CN1032182A (zh) 1989-04-05
JP2532606B2 (ja) 1996-09-11
JPH01152430A (ja) 1989-06-14
EP0309774A2 (de) 1989-04-05
US5770109A (en) 1998-06-23
HK44096A (en) 1996-03-22
US6671028B1 (en) 2003-12-30
EP0309774B1 (de) 1992-11-19

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