JPS5738857A - Trisazo dye for liquid crystal composition - Google Patents

Trisazo dye for liquid crystal composition

Info

Publication number
JPS5738857A
JPS5738857A JP10071281A JP10071281A JPS5738857A JP S5738857 A JPS5738857 A JP S5738857A JP 10071281 A JP10071281 A JP 10071281A JP 10071281 A JP10071281 A JP 10071281A JP S5738857 A JPS5738857 A JP S5738857A
Authority
JP
Japan
Prior art keywords
liquid crystal
crystal composition
trisazo dye
trisazo
dye
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.)
Pending
Application number
JP10071281A
Other languages
English (en)
Inventor
Afutaagatsuto Shiigufuriido
Sutanrei Kooru Jiyuni Haabaato
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of JPS5738857A publication Critical patent/JPS5738857A/ja
Pending 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
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/35—Trisazo dyes in which the tetrazo component is a diamino-azo-aryl compound
    • 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
    • C09K19/601—Azoic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
JP10071281A 1980-06-30 1981-06-30 Trisazo dye for liquid crystal composition Pending JPS5738857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/164,254 US4350603A (en) 1980-06-30 1980-06-30 Novel tris-azo dyes and liquid crystal compositions made therewith

Publications (1)

Publication Number Publication Date
JPS5738857A true JPS5738857A (en) 1982-03-03

Family

ID=22593660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10071281A Pending JPS5738857A (en) 1980-06-30 1981-06-30 Trisazo dye for liquid crystal composition

Country Status (7)

Country Link
US (1) US4350603A (ja)
JP (1) JPS5738857A (ja)
DE (1) DE3125183A1 (ja)
FR (1) FR2485555A1 (ja)
GB (1) GB2079770A (ja)
IL (1) IL62918A0 (ja)
IT (1) IT1137260B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594674A (ja) * 1982-06-30 1984-01-11 Mitsubishi Chem Ind Ltd ゲスト―ホスト型液晶組成物
JPS5993776A (ja) * 1982-11-18 1984-05-30 Nippon Kanko Shikiso Kenkyusho:Kk アゾ色素の液晶に対する溶解性の改良方法および液晶用二色性アゾ色素

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043904A3 (de) * 1980-07-10 1982-03-31 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Farbstoffhaltige Mischungen, neue Farbstoffe und deren Verwendung in Flüssigkristallmischungen
DE3049454A1 (de) 1980-12-30 1982-07-29 Bayer Ag, 5090 Leverkusen Fluessigkristallines material enthaltend disazofarbstoffe
DE3123519A1 (de) * 1981-06-13 1982-12-30 Bayer Ag, 5090 Leverkusen Fluessigkristallines material enthaltend azofarbstoffe
US4401369A (en) * 1981-10-19 1983-08-30 Electronic Display Systems, Inc. Class of dichroic dyes for use with liquid crystals
US4411812A (en) * 1981-11-12 1983-10-25 General Electric Company Dichroic liquid crystal compositions made with asymmetric tris-azo dyes
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
US4588517A (en) * 1982-06-30 1986-05-13 Hitachi, Ltd. Liquid crystal composition
DE3529988A1 (de) * 1985-08-22 1987-02-26 Basf Ag Trisazofarbstoffe und deren verwendung in fluessigkristallinen materialien
DE3639156A1 (de) * 1986-11-15 1988-05-26 Basf Ag Trisazofarbstoffe
US5326865A (en) * 1990-06-08 1994-07-05 Hercules Incorporated Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent
US9701905B2 (en) 2012-12-13 2017-07-11 Merck Patent Gmbh Liquid-crystalline medium
JP6527471B2 (ja) 2013-03-05 2019-06-05 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 ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ エネルギーの通過を調節するためのデバイス
KR102266840B1 (ko) 2013-05-08 2021-06-18 메르크 파텐트 게엠베하 광 에너지의 통과를 조절하기 위한 2개의 액정 스위칭 층을 포함하는 장치
KR102234246B1 (ko) 2013-05-24 2021-04-01 메르크 파텐트 게엠베하 이색성 염료를 함유하는, 에너지 통과를 조절하기 위한 장치
US10626666B2 (en) 2013-12-19 2020-04-21 Merck Patent Gmbh Device for regulating the passage of light
DE102015005800A1 (de) 2015-05-06 2016-11-10 Merck Patent Gmbh Thiadiazolochinoxalinderivate
JP6884748B2 (ja) 2015-07-10 2021-06-09 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 ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ ジチオアルキルピロロピロール類および色素としてのその使用
CN109790467B (zh) 2016-06-28 2022-08-09 默克专利股份有限公司 液晶介质
WO2018015320A1 (en) 2016-07-19 2018-01-25 Merck Patent Gmbh Liquid crystalline medium
WO2019238567A1 (en) 2018-06-11 2019-12-19 Merck Patent Gmbh Liquid crystalline medium
EP3810725A1 (en) 2018-06-20 2021-04-28 Merck Patent GmbH Liquid crystalline medium
US11702597B2 (en) 2018-09-25 2023-07-18 Merck Patent Gmbh Azo dye
EP3884011B1 (en) 2018-11-23 2024-02-14 Merck Patent GmbH Dichroic dye composition
JP2022516008A (ja) 2018-12-19 2022-02-24 メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング スイッチング素子に使用されるスイッチング層
WO2020254219A1 (en) 2019-06-17 2020-12-24 Merck Patent Gmbh Liquid crystal-based light valve
EP3839620A1 (en) 2019-12-16 2021-06-23 Merck Patent GmbH Device for the regulation of light transmission
EP4259747A1 (en) 2020-12-11 2023-10-18 Merck Patent GmbH Device for the regulation of light transmission
WO2023094404A1 (en) 2021-11-24 2023-06-01 Merck Patent Gmbh Liquid crystal medium and liquid crystal display

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH196242A (de) * 1935-08-17 1938-02-28 Chem Ind Basel Verfahren zur Herstellung eines neuen Farbstoffpräparates.
CH194346A (de) * 1936-04-09 1937-11-30 Chem Ind Basel Verfahren zur Herstellung eines neuen Derivates eines Azofarbstoffes.
US3941560A (en) * 1973-12-07 1976-03-02 American Aniline Products, Inc. Trisazo polyester materials
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 (ja) * 1976-06-23 1978-01-31 Bbc Brown Boveri & Cie
US4128497A (en) * 1976-09-09 1978-12-05 General Electric Company Dichroic liquid crystal compositions
US4128496A (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
US4141627A (en) * 1977-01-06 1979-02-27 Rca Corporation Electro-optic device
US4153343A (en) * 1977-06-09 1979-05-08 Rca Corporation Liquid crystal dyestuffs and electro-optic devices incorporating same
US4116861A (en) * 1977-08-18 1978-09-26 General Electric Company Dichroic liquid crystal compositions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594674A (ja) * 1982-06-30 1984-01-11 Mitsubishi Chem Ind Ltd ゲスト―ホスト型液晶組成物
JPH0461035B2 (ja) * 1982-06-30 1992-09-29 Mitsubishi Kasei Kk
JPS5993776A (ja) * 1982-11-18 1984-05-30 Nippon Kanko Shikiso Kenkyusho:Kk アゾ色素の液晶に対する溶解性の改良方法および液晶用二色性アゾ色素

Also Published As

Publication number Publication date
IL62918A0 (en) 1981-07-31
FR2485555A1 (fr) 1981-12-31
IT1137260B (it) 1986-09-03
DE3125183A1 (de) 1982-03-11
US4350603A (en) 1982-09-21
IT8122556A0 (it) 1981-06-25
GB2079770A (en) 1982-01-27

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