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:
Aug. 11, 2020
Filed:
Jul. 26, 2018
Applicant:
Nichia Corporation, Anan-shi, Tokushima, JP;
Inventors:
Assignee:
NICHIA CORPORATION, Anan-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 29/10 (2015.01); F21K 9/64 (2016.01); H01S 5/06 (2006.01); H01L 31/147 (2006.01); F21V 23/04 (2006.01); H01S 5/022 (2006.01); F21V 3/08 (2018.01); H01S 5/00 (2006.01); F21Y 115/30 (2016.01); F21S 41/176 (2018.01); F21V 5/00 (2018.01); F21S 45/70 (2018.01); H01S 5/323 (2006.01); H01S 5/0683 (2006.01); F21S 41/16 (2018.01); H01S 5/068 (2006.01);
U.S. Cl.
CPC ...
F21V 29/10 (2015.01); F21K 9/64 (2016.08); F21V 3/08 (2018.02); F21V 23/0457 (2013.01); H01L 31/147 (2013.01); H01S 5/02248 (2013.01); H01S 5/02296 (2013.01); H01S 5/06 (2013.01); F21S 41/16 (2018.01); F21S 41/176 (2018.01); F21S 45/70 (2018.01); F21V 5/008 (2013.01); F21Y 2115/30 (2016.08); H01S 5/005 (2013.01); H01S 5/02212 (2013.01); H01S 5/0683 (2013.01); H01S 5/06825 (2013.01); H01S 5/32341 (2013.01);
Abstract
A light emitting device includes a semiconductor light emitting element to emit an excitation light, a wavelength converting member to emit fluorescent light upon being irradiated with the excitation light, a package supporting the semiconductor light emitting element and the wavelength converting member, and a first photodetector configured to detect the excitation light and a second photodetector to detect the fluorescent light, located in the package.