JPS57117583A - Liquid crystal composition - Google Patents

Liquid crystal composition

Info

Publication number
JPS57117583A
JPS57117583A JP293681A JP293681A JPS57117583A JP S57117583 A JPS57117583 A JP S57117583A JP 293681 A JP293681 A JP 293681A JP 293681 A JP293681 A JP 293681A JP S57117583 A JPS57117583 A JP S57117583A
Authority
JP
Japan
Prior art keywords
liquid crystal
compound
straight chain
chain alkyl
base
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
JP293681A
Other languages
Japanese (ja)
Inventor
Sunao Oota
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP293681A priority Critical patent/JPS57117583A/en
Publication of JPS57117583A publication Critical patent/JPS57117583A/en
Pending legal-status Critical Current

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  • Liquid Crystal Substances (AREA)

Abstract

PURPOSE: To prepare a liquid crystal composition having excellent optical threshold characteristics and visual angle dependency, and capable of giving a large- capacity display, by using a mixture of three kinds of liquid crystal compounds having specific structural formulas as a base, and adding other liquid crystal compound or a compound which is not a liquid crystal to the base.
CONSTITUTION: The objective liquid crystal composition having a practical working temperature range of 0W60°C and containing nematic phase, is prepared by adding (A) a biphenyl compound of formula IV (R7 is 2W6C straight chain alkyl) or a pyrimidine compound of formula V (R8 is 3W7C straight chain alkyl) and (B) a compound having long molecular length and high clear point, e.g. the compound of formula VI, VII, etc. (R9 and R10 are 2W7C straight chain alkyl) to (C) the liquid crystal base comprising a mixture of liquid crystal compounds of formulasI, II and III (R1WR6 are 1W7C straight chain alkyl) each having negative or nearly zero dielectric anisotropy, thereby imparting the liquid crystal base with positive dielectric anisotropy.
COPYRIGHT: (C)1982,JPO&Japio
JP293681A 1981-01-12 1981-01-12 Liquid crystal composition Pending JPS57117583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP293681A JPS57117583A (en) 1981-01-12 1981-01-12 Liquid crystal composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP293681A JPS57117583A (en) 1981-01-12 1981-01-12 Liquid crystal composition

Publications (1)

Publication Number Publication Date
JPS57117583A true JPS57117583A (en) 1982-07-22

Family

ID=11543235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP293681A Pending JPS57117583A (en) 1981-01-12 1981-01-12 Liquid crystal composition

Country Status (1)

Country Link
JP (1) JPS57117583A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6126691A (en) * 1984-07-13 1986-02-05 Matsushita Electric Ind Co Ltd Liquid crystal composition

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5180870A (en) * 1974-10-25 1976-07-15 Hoffmann La Roche Fueniruupirimijinno seizohoho
JPS51107292A (en) * 1975-03-18 1976-09-22 Sanyo Electric Co NEMATEITS UKUEKISHO
JPS56873A (en) * 1979-06-15 1981-01-07 Hitachi Ltd Nematic liquid crystal for display device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5180870A (en) * 1974-10-25 1976-07-15 Hoffmann La Roche Fueniruupirimijinno seizohoho
JPS51107292A (en) * 1975-03-18 1976-09-22 Sanyo Electric Co NEMATEITS UKUEKISHO
JPS56873A (en) * 1979-06-15 1981-01-07 Hitachi Ltd Nematic liquid crystal for display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6126691A (en) * 1984-07-13 1986-02-05 Matsushita Electric Ind Co Ltd Liquid crystal composition

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