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:
Jun. 01, 2021
Filed:
Mar. 18, 2020
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Yudai Shibata, Hyogo, JP;
Shintaro Hayashi, Hyogo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/00 (2018.01); F21V 9/32 (2018.01); F21V 5/04 (2006.01); F21V 29/502 (2015.01); F21V 29/74 (2015.01); H01S 5/323 (2006.01); H01S 5/02251 (2021.01); F21Y 115/30 (2016.01);
U.S. Cl.
CPC ...
F21V 9/32 (2018.02); F21V 5/045 (2013.01); F21V 29/502 (2015.01); F21V 29/74 (2015.01); H01S 5/02251 (2021.01); H01S 5/32341 (2013.01); F21Y 2115/30 (2016.08);
Abstract
A wavelength converter includes a base, a wavelength converting component that converts a wavelength of at least part of excitation light to emit converted light, and an optical filter disposed between the base and the wavelength converting component. The optical filter transmits or absorbs, out of the converted light including a wavelength range of from approximately 470 nm to approximately 750 nm, converted light of a predetermined wavelength included in the wavelength range.