JPS55106280A - Liquid crystal mixture for electron optical display device without polarization cover plate - Google Patents

Liquid crystal mixture for electron optical display device without polarization cover plate

Info

Publication number
JPS55106280A
JPS55106280A JP16419179A JP16419179A JPS55106280A JP S55106280 A JPS55106280 A JP S55106280A JP 16419179 A JP16419179 A JP 16419179A JP 16419179 A JP16419179 A JP 16419179A JP S55106280 A JPS55106280 A JP S55106280A
Authority
JP
Japan
Prior art keywords
liquid crystal
display device
cover plate
optical display
crystal mixture
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
JP16419179A
Other languages
Japanese (ja)
Inventor
Ee Osuman Majiedo
Esu Shiefuaa Terii
Marukeruto Yuurugen
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 France SA
Original Assignee
BBC Brown Boveri France SA
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 France SA filed Critical BBC Brown Boveri France SA
Publication of JPS55106280A publication Critical patent/JPS55106280A/en
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
    • 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
JP16419179A 1978-12-21 1979-12-19 Liquid crystal mixture for electron optical display device without polarization cover plate Pending JPS55106280A (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 (1)

Publication Number Publication Date
JPS55106280A true JPS55106280A (en) 1980-08-14

Family

ID=4388330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16419179A Pending JPS55106280A (en) 1978-12-21 1979-12-19 Liquid crystal mixture for electron optical display device without polarization cover plate

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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773068A (en) * 1980-07-29 1982-05-07 Secr Defence Brit Material suitable for guest-host liquid crystal device and liquid crystal electric- optical device
JPS58109579A (en) * 1981-12-24 1983-06-29 Alps Electric Co Ltd Color liquid crystal display element
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
JPS58111882A (en) * 1981-12-25 1983-07-04 Alps Electric Co Ltd Color liquid crystal display device

Families Citing this family (35)

* 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
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
EP0025809A1 (en) * 1979-09-21 1981-04-01 BBC Aktiengesellschaft Brown, Boveri & Cie. Liquid crystals mixture
CH642393A5 (en) 1979-10-02 1984-04-13 Ebauches Sa LIQUID CRYSTAL COMPOSITION FOR ELECTRO-OPTICAL DEVICE.
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
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
EP0056492B1 (en) * 1981-01-10 1984-12-12 BASF Aktiengesellschaft Dyes for liquid crystal mixtures
JPS57126879A (en) * 1981-01-12 1982-08-06 Sumitomo Chem Co Ltd Liquid crystal display element
GB2094825B (en) * 1981-01-17 1984-09-12 Mitsubishi Chem Ind Liquid crystal compositions containing pleochroic anthraquinone dyes
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
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
DE3366521D1 (en) * 1982-04-07 1986-11-06 Secr Defence Brit Dielectric materials
EP0091225B1 (en) * 1982-04-07 1988-12-07 Imperial Chemical Industries Plc Anthraquinone compounds
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773068A (en) * 1980-07-29 1982-05-07 Secr Defence Brit Material suitable for guest-host liquid crystal device and liquid crystal electric- optical device
JPH0225949B2 (en) * 1980-07-29 1990-06-06 Secr Defence Brit
JPS58109579A (en) * 1981-12-24 1983-06-29 Alps Electric Co Ltd Color liquid crystal display element
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
JPS58111882A (en) * 1981-12-25 1983-07-04 Alps Electric Co Ltd Color liquid crystal display device

Also Published As

Publication number Publication date
GB2037803B (en) 1983-04-13
FR2444702A1 (en) 1980-07-18
FR2444702B1 (en) 1983-08-19
DE2903095A1 (en) 1980-07-10
GB2037803A (en) 1980-07-16
DD148060A5 (en) 1981-05-06
CH638828A5 (en) 1983-10-14

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