JPS57117582A - Liquid crystal display element - Google Patents

Liquid crystal display element

Info

Publication number
JPS57117582A
JPS57117582A JP367881A JP367881A JPS57117582A JP S57117582 A JPS57117582 A JP S57117582A JP 367881 A JP367881 A JP 367881A JP 367881 A JP367881 A JP 367881A JP S57117582 A JPS57117582 A JP S57117582A
Authority
JP
Japan
Prior art keywords
liquid crystal
display element
substituted
formula
crystal composition
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.)
Granted
Application number
JP367881A
Other languages
Japanese (ja)
Other versions
JPS644557B2 (en
Inventor
Yasutaka Shimizu
Hiroto Kenmochi
Toshihiko Ueno
Kazutsuka Tani
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.)
NEC Corp
Sumitomo Chemical Co Ltd
Original Assignee
NEC Corp
Sumitomo Chemical Co Ltd
Nippon Electric Co Ltd
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 NEC Corp, Sumitomo Chemical Co Ltd, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP367881A priority Critical patent/JPS57117582A/en
Publication of JPS57117582A publication Critical patent/JPS57117582A/en
Publication of JPS644557B2 publication Critical patent/JPS644557B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

PURPOSE: To provide a liquid crystal display element composed of a liquid crystal composition filled between a pair of transparent electrodes, having excellent dichroism and light resistance, high contrast, and long life, by using a liquid crystal composition containing a specific blue dye.
CONSTITUTION: The objective display element is prepared by using a liquid crystal composition containing a blue dye of formulaI{R is H, (substituted) alkyl, (substituted) alkoxy, aryl, (substituted) alkylthio, aralkyl, aryloxy, etc. or the group of formula II[R1 and R2 are H, (substituted) alkyl, aryl or aralkyl], the group of formula II may be piperidino, piperazino, etc.}(synthesized by reacting the compound of formula III with a cyanide compound) in a liquid crystal display element composed of a liquid crystal composition filled between a pair of electrode substrates, at least one of which is transparent. The liquid crystal is pref. a nematic liquid crystal exhibiting positive dielectric anisotropy, e.g. the compound of formula IV (one of R3 and R4 is cyano and the other is alkyl, alkoxy, etc.)
COPYRIGHT: (C)1982,JPO&Japio
JP367881A 1981-01-12 1981-01-12 Liquid crystal display element Granted JPS57117582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP367881A JPS57117582A (en) 1981-01-12 1981-01-12 Liquid crystal display element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP367881A JPS57117582A (en) 1981-01-12 1981-01-12 Liquid crystal display element

Publications (2)

Publication Number Publication Date
JPS57117582A true JPS57117582A (en) 1982-07-22
JPS644557B2 JPS644557B2 (en) 1989-01-26

Family

ID=11564067

Family Applications (1)

Application Number Title Priority Date Filing Date
JP367881A Granted JPS57117582A (en) 1981-01-12 1981-01-12 Liquid crystal display element

Country Status (1)

Country Link
JP (1) JPS57117582A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824882A (en) * 1984-10-05 1989-04-25 Mitsui Toatsu Chemicals, Incorporated Polarizing film
US5286418A (en) * 1984-10-05 1994-02-15 Mitsui Toatsu Chemicals, Incorporated Polarizing film
US7016346B1 (en) 1998-12-22 2006-03-21 Switchcore A.B. Apparatus and method for converting data in serial format to parallel format and vice versa

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824882A (en) * 1984-10-05 1989-04-25 Mitsui Toatsu Chemicals, Incorporated Polarizing film
US5059356A (en) * 1984-10-05 1991-10-22 Mitsui Toatsu Chemicals, Incorporated Polarizing film
US5286418A (en) * 1984-10-05 1994-02-15 Mitsui Toatsu Chemicals, Incorporated Polarizing film
US5354513A (en) * 1984-10-05 1994-10-11 Mitsui Toatsu Chemicals, Incorporated Polarizing film
US7016346B1 (en) 1998-12-22 2006-03-21 Switchcore A.B. Apparatus and method for converting data in serial format to parallel format and vice versa

Also Published As

Publication number Publication date
JPS644557B2 (en) 1989-01-26

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