Title:
ANTHRAQUINONE COMPOUND, LIQUID CRYSTAL COMPOSITION FOR DIMMING INCLUDING SAID COMPOUND, AND DIMMING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2021/261181
Kind Code:
A1
Abstract:
The present invention relates to an anthraquinone compound represented by formula (1) (in formula (1), R1 represents a C1-9 alkyl group and R2 represents a C1-8 alkyl group.); a yellow dichroic pigment that includes this compound; a liquid crystal composition for dimming that contains this yellow dichroic pigment and a liquid crystal material; and a dimming element that uses this composition.
Inventors:
OHTANI KOHEI (JP)
MUTO HITOMI (JP)
SUZUKI SAORI (JP)
YOSHIMOTO TAKASHI (JP)
MUTO HITOMI (JP)
SUZUKI SAORI (JP)
YOSHIMOTO TAKASHI (JP)
Application Number:
PCT/JP2021/020850
Publication Date:
December 30, 2021
Filing Date:
June 01, 2021
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
C09K19/12; C09B1/60; C09K19/60; G02F1/13
Foreign References:
| JPS6187756A | 1986-05-06 | |||
| JPS55116785A | 1980-09-08 | |||
| JPH04264193A | 1992-09-18 | |||
| JPH10316970A | 1998-12-02 | |||
| JP2010215771A | 2010-09-30 |
Attorney, Agent or Firm:
ASAMURA PATENT OFFICE, P.C. (JP)
Download PDF:
Previous Patent: INTERNAL COMBUSTION ENGINE IGNITION DEVICE
Next Patent: LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING LIGHT EMITTING DEVICE
Next Patent: LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING LIGHT EMITTING DEVICE