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:
Apr. 16, 2024
Filed:
Dec. 18, 2019
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/30 (2018.01); A61B 5/00 (2006.01); A61N 5/06 (2006.01); A61N 5/067 (2006.01); A61B 1/04 (2006.01); A61B 1/06 (2006.01); F21W 131/20 (2006.01); F21Y 115/30 (2016.01);
U.S. Cl.
CPC ...
F21V 9/30 (2018.02); A61B 5/0071 (2013.01); A61N 5/062 (2013.01); A61N 5/067 (2021.08); A61B 1/043 (2013.01); A61B 1/0653 (2013.01); F21W 2131/20 (2013.01); F21Y 2115/30 (2016.08);
Abstract
A light-emitting device includes: a light source that radiates primary light; and a first phosphor that absorbs the primary light and converts the primary light into first wavelength-converted light having a longer wavelength than the primary light, wherein the primary light is laser light, the first wavelength-converted light includes fluorescence based on electron energy transition of Cr, and a fluorescence spectrum of the first wavelength-converted light has a maximum fluorescence intensity value in region of a wavelength exceeding 710 nm.