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:
Jul. 21, 2026
Filed:
May. 25, 2023
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Ryuta Miyai, Myozai-gun, JP;
Kohei Kunimoto, Anan, JP;
Masato Yoshida, Tokushima, JP;
Kazuya Nishimata, Anan, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/77 (2006.01); C01B 25/10 (2006.01); H10H 20/851 (2025.01);
U.S. Cl.
CPC ...
C09K 11/7739 (2013.01); C01B 25/10 (2013.01); H10H 20/8512 (2025.01); C01P 2002/50 (2013.01); C01P 2002/72 (2013.01); C01P 2006/60 (2013.01);
Abstract
The halophosphate phosphor includes a halophosphate including an alkaline earth metal including at least calcium; europium; and a halogen including at least chlorine. An elution amount of chlorine ions after the halophosphate phosphor is brought into contact with 10 times by mass of pure water at 85° C. for five hours is 7 ppm or less.