GB1559593A - Dopants for dynamic scattering liquid crystals - Google Patents

Dopants for dynamic scattering liquid crystals Download PDF

Info

Publication number
GB1559593A
GB1559593A GB49839/76A GB4983976A GB1559593A GB 1559593 A GB1559593 A GB 1559593A GB 49839/76 A GB49839/76 A GB 49839/76A GB 4983976 A GB4983976 A GB 4983976A GB 1559593 A GB1559593 A GB 1559593A
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
composition according
metallocene
nematic liquid
ferrocene
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
Application number
GB49839/76A
Other languages
English (en)
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of GB1559593A publication Critical patent/GB1559593A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/52Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/58Dopants or charge transfer agents
    • C09K19/582Electrically active dopants, e.g. charge transfer agents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/52Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/58Dopants or charge transfer agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal Substances (AREA)
GB49839/76A 1975-12-30 1976-11-30 Dopants for dynamic scattering liquid crystals Expired GB1559593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/645,155 US4066569A (en) 1975-12-30 1975-12-30 Dopants for dynamic scattering liquid crystals

Publications (1)

Publication Number Publication Date
GB1559593A true GB1559593A (en) 1980-01-23

Family

ID=24587830

Family Applications (1)

Application Number Title Priority Date Filing Date
GB49839/76A Expired GB1559593A (en) 1975-12-30 1976-11-30 Dopants for dynamic scattering liquid crystals

Country Status (7)

Country Link
US (1) US4066569A (enExample)
JP (1) JPS5285085A (enExample)
CH (1) CH612513A5 (enExample)
DE (1) DE2656252C3 (enExample)
FR (1) FR2337188A1 (enExample)
GB (1) GB1559593A (enExample)
SE (1) SE441098B (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128312A (en) * 1977-10-04 1978-12-05 Hughes Aircraft Company Long life reflective liquid crystal display for dc operation
JPS5633360U (enExample) * 1979-08-22 1981-04-01
JPS5638378A (en) * 1979-09-05 1981-04-13 Matsushita Electric Ind Co Ltd Dynamic scattering type liquid crystal display
DE3160901D1 (en) * 1980-02-12 1983-10-27 Tokyo Shibaura Electric Co Liquid crystal display element
JPS56120790A (en) * 1980-02-27 1981-09-22 Toshiba Corp Liquid crystalline display element
US4366080A (en) * 1980-04-07 1982-12-28 Tokyo Shibaura Denki Kabushiki Kaisha Liquid crystal display element
DE3378660D1 (en) * 1982-09-30 1989-01-12 Showa Denko Kk Electrically conductive liquid crystalline substance and polymer
US5283676A (en) * 1991-05-13 1994-02-01 Hughes-Jvc Technology Corporation Liquid crystal light valve
WO2003018163A1 (en) 2001-08-24 2003-03-06 Dober Chemical Corporation Controlled release of additives in fluid systems
WO2003088271A1 (en) * 2002-04-08 2003-10-23 The University Of Southern California Doped organic carrier transport materials
TWI274082B (en) * 2002-10-31 2007-02-21 Praxair Technology Inc Methods for making metallocene compounds
US7540978B2 (en) * 2004-08-05 2009-06-02 Novaled Ag Use of an organic matrix material for producing an organic semiconductor material, organic semiconductor material and electronic component
DE602004006275T2 (de) * 2004-10-07 2007-12-20 Novaled Ag Verfahren zur Dotierung von einem Halbleitermaterial mit Cäsium
EP1727221B1 (de) * 2005-05-27 2010-04-14 Novaled AG Transparente organische Leuchtdiode
EP1729346A1 (de) * 2005-06-01 2006-12-06 Novaled AG Lichtemittierendes Bauteil mit einer Elektrodenanordnung
EP1739765A1 (de) * 2005-07-01 2007-01-03 Novaled AG Organische Leuchtdiode und Anordnung mit mehreren organischen Leuchtdioden
EP1786050B1 (de) 2005-11-10 2010-06-23 Novaled AG Dotiertes organisches Halbleitermaterial
US7919010B2 (en) * 2005-12-22 2011-04-05 Novaled Ag Doped organic semiconductor material
EP1837927A1 (de) * 2006-03-22 2007-09-26 Novaled AG Verwendung von heterocyclischen Radikalen zur Dotierung von organischen Halbleitern
ATE394800T1 (de) 2006-03-21 2008-05-15 Novaled Ag Heterocyclisches radikal oder diradikal, deren dimere, oligomere, polymere, dispiroverbindungen und polycyclen, deren verwendung, organisches halbleitendes material sowie elektronisches bauelement
DE102007012794B3 (de) * 2007-03-16 2008-06-19 Novaled Ag Pyrido[3,2-h]chinazoline und/oder deren 5,6-Dihydroderivate, deren Herstellungsverfahren und diese enthaltendes dotiertes organisches Halbleitermaterial
DE102007018456B4 (de) * 2007-04-19 2022-02-24 Novaled Gmbh Verwendung von Hauptgruppenelementhalogeniden und/oder -pseudohalogeniden, organisches halbleitendes Matrixmaterial, elektronische und optoelektronische Bauelemente
EP3457451B1 (de) 2007-04-30 2019-07-17 Novaled GmbH Die verwendung von oxokohlenstoff-, pseudooxokohlenstoff- und radialenverbindungen
EP1990847B1 (de) * 2007-05-10 2018-06-20 Novaled GmbH Verwendung von chinoiden Bisimidazolen und deren Derivaten als Dotand zur Dotierung eines organischen halbleitenden Matrixmaterials
DE102007031220B4 (de) * 2007-07-04 2022-04-28 Novaled Gmbh Chinoide Verbindungen und deren Verwendung in halbleitenden Matrixmaterialien, elektronischen und optoelektronischen Bauelementen
US20090205538A1 (en) * 2008-01-24 2009-08-20 Thompson David M Organometallic compounds, processes for the preparation thereof and methods of use thereof
US20090203917A1 (en) * 2008-01-24 2009-08-13 Thompson David M Organometallic compounds, processes for the preparation thereof and methods of use thereof
US20090203928A1 (en) * 2008-01-24 2009-08-13 Thompson David M Organometallic compounds, processes for the preparation thereof and methods of use thereof
US20090209777A1 (en) * 2008-01-24 2009-08-20 Thompson David M Organometallic compounds, processes for the preparation thereof and methods of use thereof
US8057712B2 (en) * 2008-04-29 2011-11-15 Novaled Ag Radialene compounds and their use
US8848158B2 (en) 2008-07-01 2014-09-30 Gentex Corporation Liquid crystal display device and associated liquid crystal media for use in the same
US7803285B2 (en) * 2008-07-01 2010-09-28 Gentex Corporation Liquid crystal display device and associated liquid crystal media for use in the same
CN109370615B (zh) * 2018-11-26 2020-09-15 深圳市国华光电科技有限公司 两性离子掺杂剂在制备基于动态散射模式的液晶材料中的应用
CN116042236B (zh) * 2023-02-20 2023-09-05 哈尔滨工业大学 一种应用于多响应模式智能窗的液晶材料及应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3162641A (en) * 1962-07-23 1964-12-22 Du Pont Charge-transfer compounds of 7, 7, 8, 8-tetracyano-p-quinodimethan and chydrocarbylsubstituted 7, 7, 8, 8-tetracyano-p-quinodimethans with lewis bases
US3838059A (en) * 1972-02-22 1974-09-24 Hughes Aircraft Co Liquid crystal composition
US3923857A (en) * 1972-02-23 1975-12-02 Hoffmann La Roche Liquid crystal esters
US3876286A (en) * 1972-06-14 1975-04-08 Werk Fernsehelektronik Veb Use of nematic liquid crystalline substances
US3814700A (en) * 1972-08-03 1974-06-04 Ibm Method for controllably varying the electrical properties of nematic liquids and dopants therefor
US3975285A (en) * 1972-10-30 1976-08-17 Hodogaya Chemical Co., Ltd. Liquid crystal composition
JPS5347795B2 (enExample) * 1973-01-19 1978-12-23
US3932298A (en) * 1973-07-19 1976-01-13 Temple University Nematic liquid crystals with charge-transfer acceptors as dopants
FR2266541B1 (enExample) * 1974-04-05 1979-10-19 Anvar

Also Published As

Publication number Publication date
DE2656252B2 (de) 1978-03-23
SE7614628L (sv) 1977-07-01
JPS5285085A (en) 1977-07-15
DE2656252C3 (de) 1978-12-07
US4066569A (en) 1978-01-03
FR2337188B1 (enExample) 1980-08-01
FR2337188A1 (fr) 1977-07-29
SE441098B (sv) 1985-09-09
DE2656252A1 (de) 1977-07-14
CH612513A5 (enExample) 1979-07-31

Similar Documents

Publication Publication Date Title
GB1559593A (en) Dopants for dynamic scattering liquid crystals
EP0206228B1 (en) Ferroelectric chiral smetic liquid crystal composition and light switching element
US3838059A (en) Liquid crystal composition
EP0315455B1 (en) Ferroelectric liquid crystal compositions
US4027950A (en) Electro-optical display device
US4222887A (en) Liquid crystal composition
GB1579762A (en) Substituted biphenyl benzoic acid esters their preparation and use in liquid crystal compositions
US4043935A (en) Liquid crystal composition having high dielectric anisotropy and display device incorporating same
EP0019692B1 (en) Electrolyte for an electrochromic display and an electrochromic display cell comprising this electrolyte
JPS632997B2 (enExample)
US4020002A (en) Non-schiff base field effect liquid crystal composition
US4834906A (en) Smectic A liquid crystal compositions
US3977769A (en) Electro-optic device
US4176918A (en) Fluorescent liquid crystal display
KR940000666B1 (ko) 강유전성 액정 조성물
GB2114589A (en) Liquid crystal compositions
US3973830A (en) Electro-optic device
US4366080A (en) Liquid crystal display element
EP0033947B2 (en) Liquid crystal display element
EP0176039A2 (en) Liquid crystal composition
CA1055245A (en) Nematic liquid crystal compositions
EP0393490B1 (en) Liquid crystal composition and liquid crystal display element
US4031028A (en) Nematic liquid crystal composition
JPS5950713B2 (ja) 液晶組成物
US4203862A (en) Liquid crystal composition

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee