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. 12, 2024
Filed:
Feb. 26, 2021
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 9/30 (2018.01); F21V 29/502 (2015.01); F21V 29/89 (2015.01); F21Y 115/30 (2016.01); H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
F21V 9/30 (2018.02); F21V 29/502 (2015.01); F21V 29/89 (2015.01); F21Y 2115/30 (2016.08); H01S 5/0087 (2021.01);
Abstract
A phosphor element includes a phosphor part including an incident face of the excitation light, opposing face opposing the incident face, and side face, the phosphor part converting at least a part of the excitation light incident onto the incident face to fluorescence and emitting the fluorescence from the opposing face or incident face, and a heat dissipating substrate provided on the side face of the phosphor part. The heat dissipating substrate is composed of a metal plating film composed of a metal having a thermal conductivity of 200 W/mK or higher.