HK5594A - Dichroic coloring agents for liquid crystal displays - Google Patents

Dichroic coloring agents for liquid crystal displays

Info

Publication number
HK5594A
HK5594A HK55/94A HK5594A HK5594A HK 5594 A HK5594 A HK 5594A HK 55/94 A HK55/94 A HK 55/94A HK 5594 A HK5594 A HK 5594A HK 5594 A HK5594 A HK 5594A
Authority
HK
Hong Kong
Prior art keywords
liquid crystal
coloring agents
crystal displays
dichroic coloring
dichroic
Prior art date
Application number
HK55/94A
Other languages
English (en)
Inventor
Keisuke Takuma
Sizuo Kuroda
Tsukasa Oyama
Hiroshi Aiga
Original Assignee
Mitsui Toatsu Chemicals
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
Priority claimed from JP22982587A external-priority patent/JPH0813929B2/ja
Priority claimed from JP31870587A external-priority patent/JPH0832881B2/ja
Application filed by Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of HK5594A publication Critical patent/HK5594A/xx

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
    • G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
    • G09B1/16—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
    • G09B1/18—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being rotatable
    • G09B1/22—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being rotatable and bearing the symbols on a surface perpendicular to the axis of rotation
    • 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
    • C09B1/22—Dyes with unsubstituted amino groups
    • 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
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • 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
    • C09B1/56—Mercapto-anthraquinones
    • C09B1/58—Mercapto-anthraquinones with mercapto groups substituted by aliphatic, cycloaliphatic, araliphatic or aryl radicals
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal (AREA)
HK55/94A 1987-09-16 1994-01-20 Dichroic coloring agents for liquid crystal displays HK5594A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22982587A JPH0813929B2 (ja) 1987-09-16 1987-09-16 液晶表示用二色性色素
JP31870587A JPH0832881B2 (ja) 1987-12-18 1987-12-18 液晶表示用二色性色素

Publications (1)

Publication Number Publication Date
HK5594A true HK5594A (en) 1994-01-28

Family

ID=26529015

Family Applications (1)

Application Number Title Priority Date Filing Date
HK55/94A HK5594A (en) 1987-09-16 1994-01-20 Dichroic coloring agents for liquid crystal displays

Country Status (6)

Country Link
US (1) US4883611A (de)
EP (1) EP0307866B1 (de)
KR (1) KR920003695B1 (de)
CA (1) CA1290752C (de)
DE (1) DE3880939T2 (de)
HK (1) HK5594A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002327176A (ja) * 2001-03-01 2002-11-15 Toshiba Corp ゲスト−ホスト液晶組成物および液晶表示素子
US7614709B2 (en) * 2007-01-31 2009-11-10 Caterpillar Inc. Tapered master link design for tracked undercarriage
CN114105791A (zh) * 2021-12-16 2022-03-01 烟台丰鲁精细化工有限责任公司 一种1，4-二氨基蒽醌-2-羧酸十氢-2-萘酯的新型合成方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2065695B (en) * 1979-10-12 1984-07-25 Hitachi Ltd Guest-host type liquid crystal composition and liquid crystal display device using the same
JPS56100885A (en) * 1980-01-17 1981-08-13 Mitsui Toatsu Chem Inc Composition for liquid crystal color display
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
JPS5763377A (en) * 1980-10-03 1982-04-16 Mitsui Toatsu Chem Inc Liquid crystal composition for color display
DE3046904A1 (de) * 1980-12-12 1982-07-15 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, verfahren zu ihrer herstellung ihre verwendung sowie fluessigkristalline materialien enthaltend anthrachinonfarbstoffe
JPS57198777A (en) * 1981-06-01 1982-12-06 Mitsui Toatsu Chem Inc Composition for liquid crystal display
JPS57198776A (en) * 1981-06-01 1982-12-06 Mitsui Toatsu Chem Inc Composition for liquid crystal color display
JPS57198778A (en) * 1981-06-02 1982-12-06 Nippon Kayaku Co Ltd Liquid crystal color display element
JPS5842684A (ja) * 1981-09-09 1983-03-12 Asahi Glass Co Ltd 表示素子
JPS58145759A (ja) * 1981-10-29 1983-08-30 Mitsubishi Chem Ind Ltd アントラキノン系色素、これを含む液晶組成物及びこれを用いた表示体
JPS58187456A (ja) * 1982-04-27 1983-11-01 Nippon Kayaku Co Ltd アゾ色素
DE3380931D1 (de) * 1982-07-01 1990-01-11 Mitsubishi Chem Ind Anthrachinonfarbstoffe und diese farbstoffe enthaltende fluessigkristalline zusammensetzungen.
JPS594650A (ja) * 1982-07-01 1984-01-11 Hitachi Ltd アントラキノン系色素および該化合物を含有する液晶組成物
JPS594651A (ja) * 1982-07-01 1984-01-11 Hitachi Ltd 液晶組成物
EP0110205B1 (de) * 1982-11-29 1987-12-09 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Farbige Flüssigkristallmischungen enthaltend Phenyläthane
DE3244815A1 (de) * 1982-12-03 1984-06-07 Bayer Ag, 5090 Leverkusen Anthrachinonfarbstoffe, ihre herstellung und verwendung sowie dichroitisches material enthaltend anthrachinonfarbstoffe
JPS59164365A (ja) * 1983-03-08 1984-09-17 Mitsui Toatsu Chem Inc 二色性染料および液晶カラ−表示用組成物
DE3485232D1 (de) * 1983-03-23 1991-12-12 Hitachi Ltd Anthrachinonfarbstoffe und dieselben enthaltende fluessigkristalline zusammensetzungen.
JPS59179561A (ja) * 1983-03-29 1984-10-12 Hitachi Ltd アントラキノン系色素および該色素を含有する液晶組成物
DE3576827D1 (de) * 1984-11-20 1990-05-03 Mitsui Toatsu Chemicals Dichroitische azofarbstoffe.
JPH0674425B2 (ja) * 1985-09-18 1994-09-21 三菱化成株式会社 液晶組成物及び表示素子
JPH0745663B2 (ja) * 1986-12-26 1995-05-17 三菱化学株式会社 液晶組成物および該組成物を用いた表示素子
JPH0745662B2 (ja) * 1986-12-26 1995-05-17 三菱化学株式会社 液晶組成物および該組成物を用いた表示素子

Also Published As

Publication number Publication date
KR890005560A (ko) 1989-05-15
CA1290752C (en) 1991-10-15
KR920003695B1 (ko) 1992-05-09
EP0307866A2 (de) 1989-03-22
EP0307866B1 (de) 1993-05-12
DE3880939D1 (de) 1993-06-17
EP0307866A3 (en) 1990-03-14
US4883611A (en) 1989-11-28
DE3880939T2 (de) 1993-09-23

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)