GB2071685B - Liquid crystal-pleochroic material composition for an electro-optical device - Google Patents

Liquid crystal-pleochroic material composition for an electro-optical device

Info

Publication number
GB2071685B
GB2071685B GB8107368A GB8107368A GB2071685B GB 2071685 B GB2071685 B GB 2071685B GB 8107368 A GB8107368 A GB 8107368A GB 8107368 A GB8107368 A GB 8107368A GB 2071685 B GB2071685 B GB 2071685B
Authority
GB
United Kingdom
Prior art keywords
electro
liquid crystal
optical device
material composition
pleochroic
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
GB8107368A
Other languages
English (en)
Other versions
GB2071685A (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.)
Asulab AG
Original Assignee
Asulab 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 Asulab AG filed Critical Asulab AG
Publication of GB2071685A publication Critical patent/GB2071685A/en
Application granted granted Critical
Publication of GB2071685B publication Critical patent/GB2071685B/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
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
GB8107368A 1980-03-14 1981-03-09 Liquid crystal-pleochroic material composition for an electro-optical device Expired GB2071685B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH201080A CH646452A5 (fr) 1980-03-14 1980-03-14 Composition a base de cristal liquide pour dispositif electro-optique.

Publications (2)

Publication Number Publication Date
GB2071685A GB2071685A (en) 1981-09-23
GB2071685B true GB2071685B (en) 1984-09-19

Family

ID=4223795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8107368A Expired GB2071685B (en) 1980-03-14 1981-03-09 Liquid crystal-pleochroic material composition for an electro-optical device

Country Status (6)

Country Link
US (1) US4358392A (enExample)
JP (1) JPS56141377A (enExample)
CH (1) CH646452A5 (enExample)
DE (1) DE3109030A1 (enExample)
FR (1) FR2478120A1 (enExample)
GB (1) GB2071685B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2065695B (en) * 1979-10-12 1984-07-25 Hitachi Ltd Guest-host type liquid crystal composition and liquid crystal display device using the same
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
EP0056492B1 (de) * 1981-01-10 1984-12-12 BASF Aktiengesellschaft Farbstoffe für Flüssigkristallmischungen
GB2091753B (en) * 1981-01-23 1984-08-22 Standard Telephones Cables Ltd Use of 1,4-b15 (hydrocarbylamino) anthraquinos as dyes in the smetic layers of a liquid crystal cell
DE3126108A1 (de) * 1981-07-02 1983-01-20 Merck Patent Gmbh, 6100 Darmstadt "fluessigkristallines dielektrikum, neue dichroitische naphthochinonfarbstoffe und elektrooptisches anzeigeelement"
DE3137298A1 (de) * 1981-09-18 1983-04-14 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe
JPS5857488A (ja) * 1981-10-02 1983-04-05 Mitsubishi Chem Ind Ltd ゲスト−ホスト型液晶組成物
JPS5876482A (ja) * 1981-10-30 1983-05-09 Alps Electric Co Ltd 液晶混合物
DE3240036A1 (de) * 1982-10-28 1984-05-10 Lev Michajlovič Moskva Blinov Anthrachinonderivate, verfahren zu ihrer herstellung und ihre verwendung in fluesigkristallmaterialien fuer elektrooptische vorrichtungen
JPH0652327B2 (ja) * 1986-06-17 1994-07-06 三菱化成株式会社 偏光フイルム
KR100678840B1 (ko) * 2005-06-27 2007-02-05 제일모직주식회사 근적외선 흡수 및 색보정층을 포함하는 화상표시장치용필름 및 이를 이용한 화상표시장치용 필터

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1345322A (fr) * 1961-12-23 1963-12-06 Bayer Ag Nouveaux colorants anthraquinoniques et leur procédé de fabrication
FR1348153A (fr) * 1962-02-21 1964-01-04 Ciba Geigy Procédé de teinture de matières fibreuses à base de polyesters
JPS54134452A (en) * 1978-04-10 1979-10-18 Hitachi Ltd Quest-host type liquid crystal display device
JPS54157786A (en) * 1978-05-23 1979-12-12 Minnesota Mining & Mfg Multiicoloring dyestuff and photoelectric display device
GB2041962B (en) * 1978-12-20 1983-05-05 Timex Corp Guest-host liquid crystal composition
US4288147A (en) * 1978-12-20 1981-09-08 Timex Corporation Electro-optical composition of the guest-host type
DE2902177A1 (de) * 1978-12-21 1980-07-17 Bbc Brown Boveri & Cie Fluessigkristallmischung
CH638828A5 (de) * 1978-12-21 1983-10-14 Bbc Brown Boveri & Cie Fluessigkristallmischung.
US4273929A (en) * 1979-02-05 1981-06-16 Hoffmann-La Roche Inc. Heterocyclic compounds
US4232950A (en) * 1979-02-23 1980-11-11 Minnesota Mining And Manufacturing Company Liquid crystal compositions including pleochroic dye
IT1141378B (it) * 1979-02-23 1986-10-01 Minnesota Mining & Mfg Composizioni a carattere di cristallo liquido contenenti colorante pleocroico
US4360447A (en) * 1979-03-16 1982-11-23 Mitsui Toatsu Chemicals, Inc. Composition for liquid crystal color display elements
US4304683A (en) * 1979-03-16 1981-12-08 Mitsui Toatsu Chemicals, Inc. Composition for liquid crystal color display element
EP0025809A1 (de) * 1979-09-21 1981-04-01 BBC Aktiengesellschaft Brown, Boveri & Cie. Flüssigkristallmischung

Also Published As

Publication number Publication date
CH646452A5 (fr) 1984-11-30
JPS56141377A (en) 1981-11-05
FR2478120A1 (fr) 1981-09-18
FR2478120B1 (enExample) 1982-03-05
DE3109030A1 (de) 1982-02-11
GB2071685A (en) 1981-09-23
US4358392A (en) 1982-11-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee