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:
Feb. 10, 2026
Filed:
Aug. 31, 2021
Applicant:
Hitachi High-tech Corporation, Tokyo, JP;
Inventors:
Masaaki Komatsu, Tokyo, JP;
Shin Imamura, Tokyo, JP;
Yoshifumi Sekiguchi, Tokyo, JP;
Takahiro Ando, Tokyo, JP;
Eiichiro Takada, Tokyo, JP;
Assignee:
HITACHI HIGH-TECH CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/68 (2006.01); C09K 11/77 (2006.01); H10H 20/01 (2025.01); H10H 20/851 (2025.01);
U.S. Cl.
CPC ...
C09K 11/681 (2013.01); C09K 11/7708 (2013.01); H10H 20/8512 (2025.01); H10H 20/0361 (2025.01);
Abstract
The purpose of the present invention is to increase the amount of near-infrared light emitted by a phosphor excited by near-ultraviolet light to blue light. The present invention relates to a phosphor containing gallium oxide GaOas the base composition, one or two elements selected from Cr and Fe as the light-emitting center, and aluminum fluoride AlFas the flux.