FR2514774B1 - - Google Patents

Info

Publication number
FR2514774B1
FR2514774B1 FR8217495A FR8217495A FR2514774B1 FR 2514774 B1 FR2514774 B1 FR 2514774B1 FR 8217495 A FR8217495 A FR 8217495A FR 8217495 A FR8217495 A FR 8217495A FR 2514774 B1 FR2514774 B1 FR 2514774B1
Authority
FR
France
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
FR8217495A
Other languages
French (fr)
Other versions
FR2514774A1 (fr
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.)
Electronic Display Systems Inc
Original Assignee
Electronic Display Systems Inc
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 Systems Inc filed Critical Electronic Display Systems Inc
Publication of FR2514774A1 publication Critical patent/FR2514774A1/fr
Application granted granted Critical
Publication of FR2514774B1 publication Critical patent/FR2514774B1/fr
Granted 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
    • C09B35/50—Tetrazo dyes
    • 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)
FR8217495A 1981-10-19 1982-10-19 Nouvelle classe de colorants dichroiques pour l'utilisation avec des cristaux liquides Granted FR2514774A1 (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 (2)

Publication Number Publication Date
FR2514774A1 FR2514774A1 (fr) 1983-04-22
FR2514774B1 true FR2514774B1 (OSRAM) 1985-05-24

Family

ID=23212508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8217495A Granted FR2514774A1 (fr) 1981-10-19 1982-10-19 Nouvelle classe de colorants dichroiques pour l'utilisation avec des cristaux liquides

Country Status (6)

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

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080153B1 (en) * 1981-11-16 1987-04-08 Mitsubishi Kasei Corporation 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
GB2120674B (en) * 1982-03-13 1986-11-19 Nippon Kanko Shikiso Kenyusho Dichroic dyestuffs for liquid crystals and liquid crystal compositions comprising the same
US4588517A (en) * 1982-06-30 1986-05-13 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
DE69016857T2 (de) * 1989-07-03 1995-06-08 Hercules Inc Verfahren zur Herstellung von NiNi-Diakyl- 1,8-Naphthalendiamin.
US5846452A (en) * 1995-04-06 1998-12-08 Alliant Techsystems Inc. Liquid crystal optical storage medium with gray scale
JP5462628B2 (ja) 2006-09-13 2014-04-02 ロリク アーゲー ボリューム光アラインされたリターダ
WO2008077261A1 (en) * 2006-12-22 2008-07-03 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
JP6250544B2 (ja) 2011-10-03 2017-12-20 ロリク アーゲーＲｏｌｉｃ Ａｇ 強いｕｖ二色性を有する光配向層
KR102184244B1 (ko) 2012-05-30 2020-12-01 롤리크 아게 개별적으로 패턴화된 이방성을 갖는 소자들의 신속 제조
EP3036094B1 (en) 2013-08-19 2019-11-20 ROLIC Technologies AG Method of production of a photo-alignable object and photo-alignable materials
CN106133566B (zh) 2014-04-03 2020-04-10 罗利克有限公司 结合视差光学器件的具有构图的各向异性的光学设备
CN106537632B (zh) 2014-07-31 2020-10-30 巴斯夫涂料有限公司 引入抗反射性能的oled显示器的封装结构体
EP3374467B1 (en) 2015-11-11 2020-04-15 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
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
WO2020260617A1 (en) 2019-06-28 2020-12-30 Rolic Technologies AG New polymerizable liquid crystal having a carbazole core
KR102846849B1 (ko) 2019-06-28 2025-08-18 롤릭 테크놀로지스 아게 신규한 중합가능 액정
WO2021013780A1 (en) 2019-07-24 2021-01-28 Rolic Technologies AG Photo-alignable positive c-plate retarder
JP7564192B2 (ja) 2019-08-28 2024-10-08 ロリク・テクノロジーズ・アーゲー 重合性液晶の組成物
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

Family Cites Families (16)

* Cited by examiner, † Cited by third party
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 (OSRAM) * 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
US4179395A (en) * 1976-09-09 1979-12-18 General Electric Company Dichroic dyes having a plurality of azo bonding groups
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
CA1120478A (en) * 1979-02-05 1982-03-23 Arthur Boller Cyclohexyl pyrimidines
US4350603A (en) * 1980-06-30 1982-09-21 General Electric Company Novel tris-azo dyes and 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
US4308161A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal compositions 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
FR2514774A1 (fr) 1983-04-22
CH656889A5 (fr) 1986-07-31
GB2108519A (en) 1983-05-18
JPH0144235B2 (OSRAM) 1989-09-26
US4401369A (en) 1983-08-30
DE3238702C2 (OSRAM) 1990-03-08
DE3238702A1 (de) 1983-04-28
JPS5879077A (ja) 1983-05-12
GB2108519B (en) 1985-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse