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Title:
AROMATIC AMINE COMPOUND, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL ELEMENT, DISPLAY DEVICE, AND LIGHT MODULATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/096003
Kind Code:
A1
Abstract:
Provided is an aromatic amine compound that can serve as a chiral dopant able to be stably oxidized and reduced in a liquid crystal composition. The aromatic amine compound is represented by formula (1). A1 moieties each independently denote a substitute or unsubstituted alkylene group or a substituted or unsubstituted divalent aromatic group, A2 and A3 moieties each independently denote a substituted or unsubstituted alkyl group or a substituted or unsubstituted aromatic group, and at least one of A1, A2 and A3 denotes an aromatic group. s and t each independently denote an integer between 0 and 6. R1 and R2 each independently denote a substituent group. p+s and q+t each independently denote an integer between 0 and 6. T moieties each independently denote a divalent linking group formed from at least one type selected from the group consisting of a carbonyl group, an oxygen atom, an imino group and an alkylene group. Q denotes a trivalent linking group constituted from at least one type selected from the group consisting of an oxygen atom, a nitrogen atom, a carbon atom, a phosphorus atom, a sulfur atom and a hydrogen atom.

Inventors:
UEBE MASASHI (JP)
Application Number:
PCT/JP2023/039232
Publication Date:
May 10, 2024
Filing Date:
October 31, 2023
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
C07D321/00; G02F1/13
Domestic Patent References:
WO2015129672A12015-09-03
Foreign References:
CN101073781A2007-11-21
JP2005501003A2005-01-13
JP2008512504A2008-04-24
CN103030625A2013-04-10
Other References:
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Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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