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US 11,905,417 B2Granted
Anthraquinone compound, liquid crystal composition for dimming including said compound, and dimming element
AssigneeNippon Kayaku Kabushiki Kaisha
InventorsKohei Ohtani, Hitomi Muto, Saori Suzuki, Takashi Yoshimoto
Life of this patent
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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 light control that contains this yellow dichroic pigment and a liquid crystal material; and a light control element that uses this composition.
Claims16
A compound represented by formula (1):
- wherein R1 represents a C1-9 alkyl group and R2 represents a C1-8 alkyl group.
Dependencies are inferred from the claim text.