GB2062667B - Composition based on liquid crystal for electro-optical devices - Google Patents

Composition based on liquid crystal for electro-optical devices

Info

Publication number
GB2062667B
GB2062667B GB8030150A GB8030150A GB2062667B GB 2062667 B GB2062667 B GB 2062667B GB 8030150 A GB8030150 A GB 8030150A GB 8030150 A GB8030150 A GB 8030150A GB 2062667 B GB2062667 B GB 2062667B
Authority
GB
United Kingdom
Prior art keywords
electro
liquid crystal
optical devices
composition based
composition
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
GB8030150A
Other languages
English (en)
Other versions
GB2062667A (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.)
Ebauches SA
Original Assignee
Ebauches SA
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 Ebauches SA filed Critical Ebauches SA
Publication of GB2062667A publication Critical patent/GB2062667A/en
Application granted granted Critical
Publication of GB2062667B publication Critical patent/GB2062667B/en
Expired 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
    • C09K19/60—Pleochroic dyes
    • C09K19/603—Anthroquinonic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/54—Amino-hydroxy-anthraquinones; Ethers and esters thereof etherified
    • C09B1/547—Anthraquinones with aromatic ether groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
GB8030150A 1979-10-02 1980-09-18 Composition based on liquid crystal for electro-optical devices Expired GB2062667B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH886379A CH642393A5 (fr) 1979-10-02 1979-10-02 Composition a base de cristal liquide pour dispositif electro-optique.

Publications (2)

Publication Number Publication Date
GB2062667A GB2062667A (en) 1981-05-28
GB2062667B true GB2062667B (en) 1984-08-30

Family

ID=4345612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8030150A Expired GB2062667B (en) 1979-10-02 1980-09-18 Composition based on liquid crystal for electro-optical devices

Country Status (6)

Country Link
US (1) US4428858A (enExample)
JP (1) JPS5657872A (enExample)
CH (1) CH642393A5 (enExample)
DE (1) DE3036853C2 (enExample)
FR (1) FR2466494A1 (enExample)
GB (1) GB2062667B (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360447A (en) * 1979-03-16 1982-11-23 Mitsui Toatsu Chemicals, Inc. Composition for liquid crystal color display elements
GB2065695B (en) * 1979-10-12 1984-07-25 Hitachi Ltd Guest-host type liquid crystal composition and liquid crystal display device using the same
JPS5738876A (en) * 1980-08-21 1982-03-03 Mitsubishi Chem Ind Ltd Liquid crystal composition
DE3007198A1 (de) * 1980-02-26 1981-09-03 Siemens AG, 1000 Berlin und 8000 München Pleochroitischer anthrachinon-farbstoff, verfahren zu seiner herstellung und verwendung des farbstoffs
DE3014933A1 (de) * 1980-04-18 1981-10-29 Bayer Ag, 5090 Leverkusen Fluessigkristalline materialien enthaltend anthrachinonfarbstoffe
US4391489A (en) * 1980-07-29 1983-07-05 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystal materials containing pleochroic anthraquinone dyes
US4405211A (en) * 1980-07-29 1983-09-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystal compositions with pleochroic anthraquinone dyes
JPS5755984A (en) * 1980-09-22 1982-04-03 Hitachi Ltd Liquid crystal composition
DE3036895C2 (de) * 1980-09-30 1985-07-11 Merck Patent Gmbh, 6100 Darmstadt Pleochroitischer Anthrachinon-Farbstoff und Herstellungsverfahren für einen solchen Farbstoff sowie seine Verwendung in einer Flüssigkristallmischung
DE3036896A1 (de) * 1980-09-30 1982-04-15 Siemens AG, 1000 Berlin und 8000 München Fluessigkristallgemisch mit einem pleochroitischen anthrachinon-farbstoff und verfahren zur herstellung eines solchen farbstoffes
DE3040102A1 (de) * 1980-10-24 1982-06-03 Merck Patent Gmbh, 6100 Darmstadt Dichroitische anthrachinonfarbstoffe, diese enthaltende fluessigkristalline dielektrika und elektrooptisches anzeigeelement
DE3046904A1 (de) * 1980-12-12 1982-07-15 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, verfahren zu ihrer herstellung ihre verwendung sowie fluessigkristalline materialien enthaltend anthrachinonfarbstoffe
JPS57126879A (en) * 1981-01-12 1982-08-06 Sumitomo Chem Co Ltd Liquid crystal display element
JPS57117581A (en) * 1981-01-12 1982-07-22 Sumitomo Chem Co Ltd Liquid crystal display element
DE3201120A1 (de) 1981-01-17 1982-10-21 Hitachi, Ltd., Tokyo Fluessigkristall-zusammensetzung
DE3137298A1 (de) * 1981-09-18 1983-04-14 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe
JPS5876482A (ja) * 1981-10-30 1983-05-09 Alps Electric Co Ltd 液晶混合物
DE3202761A1 (de) * 1982-01-28 1983-08-04 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristallines dielektrikum, neue farbstoffe, verfahren zu ihrer herstellung und elektrooptisches anzeigeelement
DE3216455A1 (de) * 1982-05-03 1983-11-17 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, ihre herstellung und verwendung sowie dichtroitisches material enthaltend diese anthrachinonfarbstoffe
EP0120463B1 (en) * 1983-03-23 1991-11-06 Hitachi, Ltd. Anthraquinone dyes and liquid crystal compositions including the same
US7235258B1 (en) 1999-10-19 2007-06-26 Nps Pharmaceuticals, Inc. Sustained-release formulations for treating CNS-mediated disorders
KR101654019B1 (ko) * 2011-08-31 2016-09-05 제이에스알 가부시끼가이샤 액정 표시 소자의 제조 방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226177A (en) 1961-12-02 1965-12-28 Mitsui Kagaku Kogyo Kabushiki Process for the dyeing of polyolefin fibrous materials
BE627438A (enExample) * 1962-01-24 1900-01-01
DE1930777A1 (de) * 1969-06-18 1971-02-04 Bayer Ag Verfahren zum kontinuierlichen Faerben synthetischer Fasermaterialien
US3960751A (en) 1973-09-19 1976-06-01 Matsushita Electric Industrial Co., Ltd. Electro-optical display element
GB1507030A (en) 1974-10-21 1978-04-12 Secr Defence Liquid crystal display devices
JPS53126033A (en) 1977-04-11 1978-11-02 Minnesota Mining & Mfg Multiicolored dyestuff and electrooptical device
FR2426724B1 (fr) 1978-05-23 1985-09-27 Minnesota Mining & Mfg Composition a base de colorants anthraquinoniques pleochroiques et son application a des dispositifs electro-optiques d'affichage
CH638828A5 (de) 1978-12-21 1983-10-14 Bbc Brown Boveri & Cie Fluessigkristallmischung.
DE2902177A1 (de) 1978-12-21 1980-07-17 Bbc Brown Boveri & Cie Fluessigkristallmischung
CA1120478A (en) 1979-02-05 1982-03-23 Arthur Boller Cyclohexyl pyrimidines
US4232949A (en) 1979-02-23 1980-11-11 Minnesota Mining And Manufacturing Company Liquid crystal compositions containing pleochroic dye
US4232950A (en) 1979-02-23 1980-11-11 Minnesota Mining And Manufacturing Company Liquid crystal compositions including pleochroic dye
US4304683A (en) 1979-03-16 1981-12-08 Mitsui Toatsu Chemicals, Inc. Composition for liquid crystal color display element
US4360447A (en) 1979-03-16 1982-11-23 Mitsui Toatsu Chemicals, Inc. Composition for liquid crystal color display elements
CH641828A5 (fr) 1979-08-17 1984-03-15 Ebauches Sa Composition a base de cristal liquide pour dispositif electro-optique.
GB2065695B (en) 1979-10-12 1984-07-25 Hitachi Ltd Guest-host type liquid crystal composition and liquid crystal display device using the same
DE3007198A1 (de) 1980-02-26 1981-09-03 Siemens AG, 1000 Berlin und 8000 München Pleochroitischer anthrachinon-farbstoff, verfahren zu seiner herstellung und verwendung des farbstoffs

Also Published As

Publication number Publication date
CH642393A5 (fr) 1984-04-13
DE3036853C2 (de) 1986-07-31
FR2466494B1 (enExample) 1984-02-03
DE3036853A1 (de) 1981-04-09
JPS6346120B2 (enExample) 1988-09-13
FR2466494A1 (fr) 1981-04-10
JPS5657872A (en) 1981-05-20
US4428858A (en) 1984-01-31
GB2062667A (en) 1981-05-28

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee