The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2024
Filed:
Mar. 11, 2021
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Infrastructure Systems & Solutions Corporation, Kawasaki, JP;
Hiroki Iwanaga, Yokohama Kanagawa, JP;
Kenji Miyazaki, Tokyo, JP;
Junichi Washizuka, Kawasaki Kanagawa, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION, Kawasaki, JP;
Abstract
The present embodiments provide a light wavelength conversion medium excellent in emission intensity and durability, and also a light wavelength conversion medium-forming composition used for forming that medium. The conversion medium according to the embodiment comprises a rare earth complex comprising a rare earth ion and a nonionic ligand, a nonionic compound substitutable for the nonionic ligand, and a polymer or a solvent.