[go: up one dir, main page]

GB2037803B - Liquid crystal mixture - Google Patents

Liquid crystal mixture

Info

Publication number
GB2037803B
GB2037803B GB7943676A GB7943676A GB2037803B GB 2037803 B GB2037803 B GB 2037803B GB 7943676 A GB7943676 A GB 7943676A GB 7943676 A GB7943676 A GB 7943676A GB 2037803 B GB2037803 B GB 2037803B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal mixture
mixture
liquid
crystal
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
GB7943676A
Other versions
GB2037803A (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.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of GB2037803A publication Critical patent/GB2037803A/en
Application granted granted Critical
Publication of GB2037803B publication Critical patent/GB2037803B/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
GB7943676A 1978-12-21 1979-12-19 Liquid crystal mixture Expired GB2037803B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1299478A CH638828A5 (en) 1978-12-21 1978-12-21 LIQUID CRYSTAL MIXTURE.

Publications (2)

Publication Number Publication Date
GB2037803A GB2037803A (en) 1980-07-16
GB2037803B true GB2037803B (en) 1983-04-13

Family

ID=4388330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7943676A Expired GB2037803B (en) 1978-12-21 1979-12-19 Liquid crystal mixture

Country Status (6)

Country Link
JP (1) JPS55106280A (en)
CH (1) CH638828A5 (en)
DD (1) DD148060A5 (en)
DE (1) DE2903095A1 (en)
FR (1) FR2444702A1 (en)
GB (1) GB2037803B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428858A (en) 1979-10-02 1984-01-31 Ebauches S.A. Composition based on liquid crystal for electro-optical device
US4434072A (en) 1981-01-17 1984-02-28 Mitsubishi Chemical Industries, Ltd. Liquid crystal composition

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4702561A (en) * 1977-04-11 1987-10-27 Minnesota Mining And Manufacturing Company Pleochroic dyes and electro-optical displays therewith
US4288147A (en) * 1978-12-20 1981-09-08 Timex Corporation Electro-optical composition of the guest-host type
DE2902177A1 (en) * 1978-12-21 1980-07-17 Bbc Brown Boveri & Cie LIQUID CRYSTAL MIXTURE
DE3006744A1 (en) * 1979-02-23 1980-09-04 Minnesota Mining & Mfg PLEOCHROITIC COLORS CONTAINING LIQUID CRYSTALS
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 (en) * 1979-09-21 1981-04-01 BBC Aktiengesellschaft Brown, Boveri & Cie. Liquid crystals mixture
JPS56100885A (en) * 1980-01-17 1981-08-13 Mitsui Toatsu Chem Inc Composition for liquid crystal color display
DE3007198A1 (en) * 1980-02-26 1981-09-03 Siemens AG, 1000 Berlin und 8000 München PLEOCHROITIC ANTHRACHINONE DYE, METHOD FOR THE PRODUCTION THEREOF AND USE OF THE DYE
CH646452A5 (en) * 1980-03-14 1984-11-30 Asulab Sa LIQUID CRYSTAL COMPOSITION FOR ELECTRO-OPTICAL DEVICE.
DE3014933A1 (en) * 1980-04-18 1981-10-29 Bayer Ag, 5090 Leverkusen LIQUID CRYSTAL MATERIALS CONTAINING ANTHRACHINONE DYES
US4394070A (en) * 1980-07-16 1983-07-19 Minnesota Mining And Manufacturing Company Helichromic compounds and displays
US4391754A (en) * 1980-07-29 1983-07-05 Imperial Chemical Industries Plc Anthraquinone compounds
US4405211A (en) * 1980-07-29 1983-09-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystal compositions with pleochroic anthraquinone dyes
US4391489A (en) * 1980-07-29 1983-07-05 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystal materials containing pleochroic anthraquinone dyes
DE3036895C2 (en) * 1980-09-30 1985-07-11 Merck Patent Gmbh, 6100 Darmstadt Anthraquinone pleochroism dye and manufacturing process for such a dye and its use in a liquid crystal mixture
US4624532A (en) * 1980-10-22 1986-11-25 General Electric Company Dichroic liquid crystal compositions containing anthraquinone-based dyes
US4356102A (en) * 1980-10-22 1982-10-26 General Electric Company Dichroic liquid crystal compositions containing anthraquinone-based dyes
DE3040102A1 (en) * 1980-10-24 1982-06-03 Merck Patent Gmbh, 6100 Darmstadt DICHROITIC ANTHRACHINONE DYES, THIS CONTAINING LIQUID CRYSTALINE DIELECTRICS AND ELECTRO-OPTICAL DISPLAY ELEMENT
DE3046904A1 (en) * 1980-12-12 1982-07-15 Bayer Ag, 5090 Leverkusen ANTHRACHINONE DYES, METHOD FOR THE PRODUCTION THEREOF, AND THE USE OF LIQUID CRYSTAL MATERIALS CONTAINING ANTHRACHINONE DYES
DE3167759D1 (en) * 1981-01-10 1985-01-24 Basf Ag Dyes for liquid crystal mixtures
JPS57126879A (en) * 1981-01-12 1982-08-06 Sumitomo Chem Co Ltd Liquid crystal display element
JPS57155282A (en) * 1981-03-20 1982-09-25 Mitsubishi Chem Ind Ltd Liquid crystal composition
US4514045A (en) * 1981-06-22 1985-04-30 Minnesota Mining And Manufacturing Company Helichromic-smectic liquid crystal compositions and display cells
DE3137298A1 (en) * 1981-09-18 1983-04-14 Bayer Ag, 5090 Leverkusen ANTHRACHINONE DYES
JPS5876482A (en) * 1981-10-30 1983-05-09 Alps Electric Co Ltd Liquid crystal mixture
JPS58109580A (en) * 1981-12-24 1983-06-29 Alps Electric Co Ltd Color liquid crystal display element
JPS58109578A (en) * 1981-12-24 1983-06-29 Alps Electric Co Ltd Color liquid crystal display element
JPS58109579A (en) * 1981-12-24 1983-06-29 Alps Electric Co Ltd Color liquid crystal display element
JPS58111882A (en) * 1981-12-25 1983-07-04 Alps Electric Co Ltd Color liquid crystal display device
DE3202761A1 (en) * 1982-01-28 1983-08-04 Merck Patent Gmbh, 6100 Darmstadt LIQUID CRYSTAL DIELECTRIC, NEW COLORS, METHOD FOR THEIR PRODUCTION AND ELECTRO-OPTICAL DISPLAY ELEMENT
EP0091225B1 (en) * 1982-04-07 1988-12-07 Imperial Chemical Industries Plc Anthraquinone compounds
EP0091226B1 (en) * 1982-04-07 1986-10-01 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Dielectric materials
DE3216455A1 (en) * 1982-05-03 1983-11-17 Bayer Ag, 5090 Leverkusen ANTHRACHINONE DYES, THEIR PRODUCTION AND USE, AND SEALANT MATERIAL CONTAINING THESE ANTHRACHINONE DYES
DE3314467A1 (en) * 1982-07-17 1984-01-19 Bayer Ag, 5090 Leverkusen DICHROITIC MATERIAL, CONTAINING ANTHRACHINONE DYES AND NEW ANTHRACHINONE DYES
DE3240036A1 (en) * 1982-10-28 1984-05-10 Lev Michajlovič Moskva Blinov Anthraquinone derivatives, their preparation, and their use in liquid crystal materials for electrooptical apparatuses
DE3247896A1 (en) * 1982-12-24 1984-06-28 Merck Patent Gmbh, 6100 Darmstadt ANTHRACHINONE DYES
US4530572A (en) * 1982-12-30 1985-07-23 Minnesota Mining And Manufacturing Company Substituted anthraquinone-type isotropic dyes for liquid crystal display devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4428858A (en) 1979-10-02 1984-01-31 Ebauches S.A. Composition based on liquid crystal for electro-optical device
US4434072A (en) 1981-01-17 1984-02-28 Mitsubishi Chemical Industries, Ltd. Liquid crystal composition

Also Published As

Publication number Publication date
FR2444702B1 (en) 1983-08-19
GB2037803A (en) 1980-07-16
DE2903095A1 (en) 1980-07-10
CH638828A5 (en) 1983-10-14
JPS55106280A (en) 1980-08-14
FR2444702A1 (en) 1980-07-18
DD148060A5 (en) 1981-05-06

Similar Documents

Publication Publication Date Title
GB2037803B (en) Liquid crystal mixture
GB2045274B (en) Liquid crystal mixture
DE3063311D1 (en) Liquid crystals mixture
JPS54157541A (en) Liquid crystal substance
JPS57126880A (en) Liquid crystal mixture
DE3163424D1 (en) Liquid crystal mixture
JPS542283A (en) Liquid crystal mixture
GB2012446B (en) Liquid crystal desplay element
JPS5524174A (en) Liquid crystal compound
GB2028527B (en) Liquid crystal displays
GB2025648B (en) Liquid crystal display
GB2020053B (en) Liquid crystal display
JPS53129183A (en) Liquid crystal mixture
JPS55164277A (en) Liquid crystal
GB2028363B (en) Liquid crystal composition
GB2031010B (en) Liquid crystal materials
GB2102017B (en) Liquid crystal mixture
GB2064572B (en) Liquid crystal composition
JPS54111847A (en) Liquid crystal substance
JPS5532063A (en) Liquid crystal display
JPS5518602A (en) Liquid crystal display
JPS5538511A (en) Liquid crystal display
GB2028562B (en) Liquid crystal displays
GB2037802B (en) Liquid crystal composition
JPS5564282A (en) Liquid crystal display

Legal Events

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