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US 12,291,545 B2Granted
Rare earth complex, rare earth complex solution, luminescent molded article, method for producing luminescent product, luminescent sheet, and vinyl greenhouse for agriculture
AssigneeNational University Corporation Hokkaido University
InventorsYuichi Kitagawa, Kaori Shima, Satoshi Wada, Yasuchika Hasegawa, Koji Fushimi
Life of this patent
Estimating the term…
Abstract
Disclosed is a rare earth complex having a rare earth ion and a phosphine oxide ligand that is coordinated with the rare earth ion and is represented by the following formula (I): wherein R1, R2, R3, R4, R5, and R6 each independently represent an alkyl group which may have a substituent.
Claims12
A rare earth complex comprising:
- a rare earth ion;
- and
- a phosphine oxide ligand coordinated with the rare earth ion, the phosphine oxide ligand being represented by the following formula (I):
- wherein R1, R2, R3, R4, R5, and R6 each independently represent an alkyl group which may have a substituent.
1 more element
A rare earth complex solution comprising:
- a rare earth complex;
- an aromatic compound that reduces the crystallinity of the rare earth complex;
- and
- a solvent in which the rare earth complex and the aromatic compound are dissolved.
1 more element
A luminescent molded article comprising:
- a rare earth complex;
- and
- an aromatic compound that reduces the crystallinity of the rare earth complex.
Dependencies are inferred from the claim text.