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:
Jun. 03, 2025
Filed:
Feb. 21, 2020
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Shota Naito, Tsukuba, JP;
Mizuho Sugiuchi, Tsukuba, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 21/00 (2006.01); C09K 11/02 (2006.01); C09K 11/66 (2006.01); H10H 20/851 (2025.01); H10K 85/50 (2023.01);
U.S. Cl.
CPC ...
C01G 21/006 (2013.01); C09K 11/02 (2013.01); C09K 11/025 (2013.01); C09K 11/664 (2013.01); H10H 20/8512 (2025.01); H10K 85/50 (2023.02); C01P 2002/34 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01);
Abstract
A compound has a perovskite type crystal structure containing A which is a monovalent cation, B which is a metal ion, and X which is a halide ion as components. The perovskite type crystal structure has a unit cell volume of 0.2000 nmor more and 0.2150 nmor less, an ionic radius of B of 0.7 Å or more and 1.4 Å or less, and an ionic radius of X of 0.5 Å or more and 2.5 Å or less.
Naito, Shota. (2025). Compound, composition, film, layered structure, light-emitting device, and display (U.S. Patent No. 12319587). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12319587
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile