CH656889A5 - Colorants dichroiques destines a des compositions hote cholesteriques-cristaux liquides recepteurs. - Google Patents

Colorants dichroiques destines a des compositions hote cholesteriques-cristaux liquides recepteurs. Download PDF

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Publication number
CH656889A5
CH656889A5 CH6059/82A CH605982A CH656889A5 CH 656889 A5 CH656889 A5 CH 656889A5 CH 6059/82 A CH6059/82 A CH 6059/82A CH 605982 A CH605982 A CH 605982A CH 656889 A5 CH656889 A5 CH 656889A5
Authority
CH
Switzerland
Prior art keywords
liquid crystal
dichroic dye
och3
och
dye according
Prior art date
Application number
CH6059/82A
Other languages
English (en)
French (fr)
Inventor
Derick Jones
Original Assignee
Electronic Display Syst
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 Electronic Display Syst filed Critical Electronic Display Syst
Publication of CH656889A5 publication Critical patent/CH656889A5/fr

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/50Tetrazo dyes
    • 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
    • C09K19/60Pleochroic dyes
    • C09K19/601Azoic

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
CH6059/82A 1981-10-19 1982-10-18 Colorants dichroiques destines a des compositions hote cholesteriques-cristaux liquides recepteurs. CH656889A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/312,678 US4401369A (en) 1981-10-19 1981-10-19 Class of dichroic dyes for use with liquid crystals

Publications (1)

Publication Number Publication Date
CH656889A5 true CH656889A5 (fr) 1986-07-31

Family

ID=23212508

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6059/82A CH656889A5 (fr) 1981-10-19 1982-10-18 Colorants dichroiques destines a des compositions hote cholesteriques-cristaux liquides recepteurs.

Country Status (6)

Country Link
US (1) US4401369A (esLanguage)
JP (1) JPS5879077A (esLanguage)
CH (1) CH656889A5 (esLanguage)
DE (1) DE3238702A1 (esLanguage)
FR (1) FR2514774A1 (esLanguage)
GB (1) GB2108519B (esLanguage)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493532A (en) * 1981-11-16 1985-01-15 Hitachi, Ltd. Pleochroic azo dyes, a liquid crystal composition containing the azo dyes and a display device using the liquid crystal composition
JPS58138767A (ja) * 1982-02-10 1983-08-17 Hitachi Ltd 液晶組成物及び表示素子
JPS5947261A (ja) * 1982-09-13 1984-03-16 Nippon Kanko Shikiso Kenkyusho:Kk 液晶用アゾ色素の二色性改良法
DE3309045A1 (de) * 1982-03-13 1983-09-15 Kabushiki Kaisha Nippon Kanko Shikiso Kenkyusho, Okayama Dichroitische farbstoffe fuer fluessigkristalle und fluessigkristall-zusammensetzungen
DE3380031D1 (en) * 1982-06-30 1989-07-13 Hitachi Ltd Liquid crystal composition
YU44866B (en) * 1983-09-09 1991-04-30 Inst Stefan Jozef Matrix lcd with an internal reflector and a measuring net
US4674841A (en) * 1985-03-08 1987-06-23 Tektronix, Inc. Color filter switchable among three state via a variable retarder
DE3529988A1 (de) * 1985-08-22 1987-02-26 Basf Ag Trisazofarbstoffe und deren verwendung in fluessigkristallinen materialien
DD257889A1 (de) * 1987-02-20 1988-06-29 Werk Fernsehelektronik Veb Verfahren zur herstellung farbiger fluessigkristallanzeigen
US5097029A (en) * 1989-07-03 1992-03-17 Hercules Incorporated Process for preparing 2,3-dihydro-1,3-dialkyl-2,3-dialkyl perimidines and N,N-'-dialkyl-1,8-naphthalene diamines
EP0406812B1 (en) * 1989-07-03 1995-02-15 Hercules Incorporated Process for the preparation of NiNi-dialkyl-1,8-naphthalene diamine
US5846452A (en) * 1995-04-06 1998-12-08 Alliant Techsystems Inc. Liquid crystal optical storage medium with gray scale
ES2494293T3 (es) 2006-09-13 2014-09-15 Rolic Ag Retardador fotoalineado por volumen
US8574454B2 (en) * 2006-12-22 2013-11-05 Rolic Ag Patternable liquid crystal polymer comprising thio-ether units
JP5566160B2 (ja) * 2010-03-31 2014-08-06 富士フイルム株式会社 液晶性化合物、液晶性組成物、光吸収異方性膜、及び液晶表示装置
BR112014007944A2 (pt) 2011-10-03 2017-04-04 Rolic Ag camadas de fotoalinhamento com dicroismo uv forte
EP2856223B1 (en) 2012-05-30 2020-12-23 ROLIC Technologies AG Fast generation of elements with individually patterned anisotropy
SG11201601034PA (en) 2013-08-19 2016-03-30 Rolic Ag Photo-alignable object
US10845520B2 (en) 2014-04-03 2020-11-24 Rolic Ag Optical devices with patterned anisotropy incorporating parallax optic
KR102401926B1 (ko) 2014-07-31 2022-05-26 바스프 코팅스 게엠베하 Oled 디스플레이용의 반사방지 성질들을 도입한 캡슐화 구조물
US20180320072A1 (en) 2015-11-11 2018-11-08 Rolic Technologies AG Compositions of photo-alignable materials
US11181674B2 (en) 2016-07-29 2021-11-23 Rolic Technologies AG Method for generating alignment on top of a liquid crystal polymer material
KR102846849B1 (ko) 2019-06-28 2025-08-18 롤릭 테크놀로지스 아게 신규한 중합가능 액정
CN113710654B (zh) 2019-06-28 2024-08-30 罗利克技术有限公司 具有咔唑核的可聚合液晶
CN114026074B (zh) 2019-06-28 2024-02-09 罗利克技术有限公司 新的具有喹喔啉-腙核的可聚合液晶
CN118259397A (zh) 2019-07-24 2024-06-28 罗利克技术有限公司 可光致配向的正c板延迟器
EP4022008B1 (en) 2019-08-28 2024-12-04 Rolic Technologies AG Compositions of polymerizable liquid crystals
TW202448972A (zh) 2023-05-12 2024-12-16 瑞士商羅立克科技股份公司 可聚合液晶組成物
WO2025247588A1 (en) 2024-05-31 2025-12-04 Rolic Technologies AG Optical security device

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Publication number Priority date Publication date Assignee Title
US3697478A (en) * 1970-10-19 1972-10-10 Monsanto Co Polyamides from pseudo-conjugated azo-aromatic diamines
DE2414477C3 (de) * 1974-03-26 1980-11-27 Cassella Ag, 6000 Frankfurt Farbstoffzubereitung und Verfahren zum Färben und Bedrucken von hochmolekularen Polyestern und Zellulosetriacetat
US4145114A (en) * 1975-06-17 1979-03-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Pleochroic dyes
CH594897A5 (esLanguage) * 1976-06-23 1978-01-31 Bbc Brown Boveri & Cie
US4179395A (en) * 1976-09-09 1979-12-18 General Electric Company Dichroic dyes having a plurality of azo bonding groups
US4128497A (en) * 1976-09-09 1978-12-05 General Electric Company Dichroic liquid crystal compositions
US4122027A (en) * 1976-11-08 1978-10-24 General Electric Company Dichroic liquid crystal composition with 4,4-bis (substituted naphthylazo)azobenzene dichroic dyes
CA1077755A (en) * 1977-02-23 1980-05-20 Arnold H. Bourne Variable lead optical tracing machine
US4273929A (en) * 1979-02-05 1981-06-16 Hoffmann-La Roche Inc. Heterocyclic compounds
US4350603A (en) * 1980-06-30 1982-09-21 General Electric Company Novel tris-azo dyes and liquid crystal compositions made therewith
US4308161A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal compositions made therewith
US4308163A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal composition made therewith
US4308164A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal composition made therewith
US4308162A (en) * 1980-12-08 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal compositions made therewith
GB2090274B (en) * 1980-12-12 1984-09-12 Minnesota Mining & Mfg Dichroic dyestuff
US4359398A (en) * 1980-12-22 1982-11-16 General Electric Company Liquid crystal compositions with novel tris-azo dichroic dyes

Also Published As

Publication number Publication date
JPS5879077A (ja) 1983-05-12
GB2108519B (en) 1985-10-02
DE3238702C2 (esLanguage) 1990-03-08
JPH0144235B2 (esLanguage) 1989-09-26
DE3238702A1 (de) 1983-04-28
FR2514774A1 (fr) 1983-04-22
US4401369A (en) 1983-08-30
GB2108519A (en) 1983-05-18
FR2514774B1 (esLanguage) 1985-05-24

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