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:
Mar. 22, 2022
Filed:
Jan. 15, 2020
Applicant:
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Inventors:
Ryo Koizumi, Chiyoda-ku, JP;
Yuhei Inata, Chiyoda-ku, JP;
Saiko Kiyohara, Chiyoda-ku, JP;
Masahito Isaka, Chiyoda-ku, JP;
Naoyuki Komuro, Chiyoda-ku, JP;
Kohei Matsuda, Chiyoda-ku, JP;
Assignee:
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/08 (2006.01); C01B 21/097 (2006.01); C09K 11/77 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
C09K 11/0883 (2013.01); C01B 21/097 (2013.01); C09K 11/77746 (2021.01); C09K 11/77747 (2021.01); C09K 11/77748 (2021.01); C09K 11/77926 (2021.01); C09K 11/77927 (2021.01); C09K 11/77928 (2021.01); H01L 33/502 (2013.01);
Abstract
Provided is a nitride phosphor having two or more maximum absorption points in a range of 3,200 to 3,300 cmin an infrared absorption (FT-IR) spectrum. The nitride phosphor of the present invention has excellent emission characteristics and is highly reliable when used in devices.