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:
Nov. 07, 2023
Filed:
Dec. 18, 2019
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Shimpei Kinoshita, Anan, JP;
Shoji Hosokawa, Tokushima, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 21/072 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
C01B 21/072 (2013.01); H01L 24/01 (2013.01); C01P 2002/74 (2013.01); C01P 2004/64 (2013.01);
Abstract
Provided are silicon-containing aluminum nitride particles having a high reflectance, a method for producing the same, and a light emitting device. In certain embodiment, silicon-containing aluminum nitride particles having a total amount of aluminum and nitrogen of 90% by mass or more, a content of silicon in a range of 1.5% by mass or more and 4.0% by mass or less, and a content of oxygen in a range of 0.5% by mass or more and 2.0% by mass or less, and having an average reflectance in a wavelength range of 380 nm or more and 730 nm or less of 85% or more.