JPS57205448A - Anthraquinone dye, dichruic dye for liquid crystal composed of said dye, and liquid crystal composition consisting of sald dye and nematic liquid crystal - Google Patents
Anthraquinone dye, dichruic dye for liquid crystal composed of said dye, and liquid crystal composition consisting of sald dye and nematic liquid crystalInfo
- Publication number
- JPS57205448A JPS57205448A JP9132781A JP9132781A JPS57205448A JP S57205448 A JPS57205448 A JP S57205448A JP 9132781 A JP9132781 A JP 9132781A JP 9132781 A JP9132781 A JP 9132781A JP S57205448 A JPS57205448 A JP S57205448A
- Authority
- JP
- Japan
- Prior art keywords
- dye
- liquid crystal
- anthraquinone
- green
- formulai
- 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 novel anthraquinone dye which possesses properties required as a dichronic dye and develops alone clear green to yellowish green, and to provide a liquid crystal compsn. which serves as a highly practicable green display material and makes green liquid crystal display of high display quality possible.
CONSTITUTION: An anthraquinone dye of formulaI(wherein R1, R4 are each an amino or alkylamino group with the proviso that at least one of R1, R4 is an amino group; R5, R8 are each H, hydroxy, amino; ϕ is a substd. or unsubstituted phenyl group) such as the compd. of formula II (the color of this compd. in GR- 41 is green) is provided. A dichroic dye for liquid crystals is composed of said anthraquinone dye of formulaI. A liquid crystal compsn. consists of a nematic liquid crystal and said dichroic dye for liquid crystals, which s composed of said anthraquinone dye of formulaI. They are novel and useful anthraquinone dyes and contributes to the development of liquid crystal colors in guest-host systems.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9132781A JPS57205448A (en) | 1981-06-12 | 1981-06-12 | Anthraquinone dye, dichruic dye for liquid crystal composed of said dye, and liquid crystal composition consisting of sald dye and nematic liquid crystal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9132781A JPS57205448A (en) | 1981-06-12 | 1981-06-12 | Anthraquinone dye, dichruic dye for liquid crystal composed of said dye, and liquid crystal composition consisting of sald dye and nematic liquid crystal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57205448A true JPS57205448A (en) | 1982-12-16 |
Family
ID=14023351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9132781A Pending JPS57205448A (en) | 1981-06-12 | 1981-06-12 | Anthraquinone dye, dichruic dye for liquid crystal composed of said dye, and liquid crystal composition consisting of sald dye and nematic liquid crystal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57205448A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219262A (en) * | 1982-06-14 | 1983-12-20 | Nippon Kayaku Co Ltd | Anthraquinone compound |
JPS6043605A (en) * | 1983-08-22 | 1985-03-08 | Nippon Kayaku Co Ltd | Near infrared absorption filter |
JPS615203A (en) * | 1984-06-19 | 1986-01-11 | Mitsubishi Chem Ind Ltd | Infrared-ray transmitting filter |
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 |
-
1981
- 1981-06-12 JP JP9132781A patent/JPS57205448A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219262A (en) * | 1982-06-14 | 1983-12-20 | Nippon Kayaku Co Ltd | Anthraquinone compound |
JPS6362553B2 (en) * | 1982-06-14 | 1988-12-02 | ||
JPS6043605A (en) * | 1983-08-22 | 1985-03-08 | Nippon Kayaku Co Ltd | Near infrared absorption filter |
JPH0638124B2 (en) * | 1983-08-22 | 1994-05-18 | 日本化薬株式会社 | Near infrared absorption filter |
JPS615203A (en) * | 1984-06-19 | 1986-01-11 | Mitsubishi Chem Ind Ltd | Infrared-ray transmitting filter |
JPH043842B2 (en) * | 1984-06-19 | 1992-01-24 | ||
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 |
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