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:
Dec. 15, 2020
Filed:
Apr. 18, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yuuki Maeda, Utsunomiya, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); H04N 9/3105 (2013.01);
Abstract
A wavelength conversion element includes first to fourth wavelength converters configured to convert incident from a light source into first to fourth light fluxes having first to fourth wavelength band different from a wavelength band of the light from the light source and first to fourth peak intensities at first to fourth wavelengths. The first to fourth wavelengths satisfy predetermined conditions.