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. 02, 2021
Filed:
Apr. 09, 2019
Applicant:
Nichia Corporation, Anan, JP;
Inventor:
Yoshinori Murazaki, Komatsushima, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/77 (2006.01); C09K 11/63 (2006.01); C09K 11/08 (2006.01); F21K 9/64 (2016.01); C09K 11/57 (2006.01); F21Y 115/10 (2016.01); F21Y 115/30 (2016.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
C09K 11/7759 (2013.01); C09K 11/0883 (2013.01); C09K 11/57 (2013.01); C09K 11/63 (2013.01); C09K 11/77 (2013.01); C09K 11/7715 (2013.01); C09K 11/7743 (2013.01); F21K 9/64 (2016.08); F21Y 2115/10 (2016.08); F21Y 2115/30 (2016.08); H01L 33/502 (2013.01); H01L 2933/0041 (2013.01);
Abstract
A boron nitride fluorescent material, having at least one light emission peak wavelength in a range of 480 nm or more and less than 650 nm as excited with light having a light emission peak wavelength in a range of 250 nm or more and 460 nm or less, and comprising: at least one element A selected from the group consisting of alkaline earth metal elements; nitrogen and boron; and optionally at least one element M1 selected from the group consisting of Tb, Sm, Pr, Ce, Mn, and Yb.