JPS57117580A - Liquid crystal display element - Google Patents
Liquid crystal display elementInfo
- Publication number
- JPS57117580A JPS57117580A JP367581A JP367581A JPS57117580A JP S57117580 A JPS57117580 A JP S57117580A JP 367581 A JP367581 A JP 367581A JP 367581 A JP367581 A JP 367581A JP S57117580 A JPS57117580 A JP S57117580A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- formula
- display element
- crystal composition
- substituted
- 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
Links
Landscapes
- 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) alkoxy, aryl, (substituted) alkylthio, aralkyl, aryloxy, etc. or group of formula II[R1 and R2 are H, (substituted) alkyl, aryl or aralkyl], the group of formula II may be piperidino, etc.}[synthesized by reacting the compound of formula III with the amine of formula IV (R is same as defined in formulaI)]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 V (one of R3 and R4 is cyano and the other is alkyl, alkoxy, etc.).
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP367581A JPS57117580A (en) | 1981-01-12 | 1981-01-12 | Liquid crystal display element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP367581A JPS57117580A (en) | 1981-01-12 | 1981-01-12 | Liquid crystal display element |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57117580A true JPS57117580A (en) | 1982-07-22 |
Family
ID=11563991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP367581A Pending JPS57117580A (en) | 1981-01-12 | 1981-01-12 | Liquid crystal display element |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57117580A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4624532A (en) * | 1980-10-22 | 1986-11-25 | General Electric Company | Dichroic liquid crystal compositions containing anthraquinone-based dyes |
JPS61291186A (en) * | 1985-06-19 | 1986-12-20 | Mitsubishi Chem Ind Ltd | Optical recording material |
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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5662873A (en) * | 1979-10-29 | 1981-05-29 | Nippon Kanko Shikiso Kenkyusho:Kk | Dichromatic dye for liquid crystal consisting of anthraquinone compound |
JPS5734177A (en) * | 1980-08-08 | 1982-02-24 | Mitsubishi Chem Ind Ltd | Liquid crystal composition |
-
1981
- 1981-01-12 JP JP367581A patent/JPS57117580A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5662873A (en) * | 1979-10-29 | 1981-05-29 | Nippon Kanko Shikiso Kenkyusho:Kk | Dichromatic dye for liquid crystal consisting of anthraquinone compound |
JPS5734177A (en) * | 1980-08-08 | 1982-02-24 | Mitsubishi Chem Ind Ltd | Liquid crystal composition |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4624532A (en) * | 1980-10-22 | 1986-11-25 | General Electric Company | Dichroic liquid crystal compositions containing anthraquinone-based dyes |
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 |
JPS61291186A (en) * | 1985-06-19 | 1986-12-20 | Mitsubishi Chem Ind Ltd | Optical recording material |
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