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:
May. 23, 2023
Filed:
Feb. 09, 2021
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yuuki Maeda, Tochigi, JP;
Takehito Kawasumi, Saitama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G03B 21/2013 (2013.01); G03B 21/2066 (2013.01); H01L 33/505 (2013.01);
Abstract
A light source apparatus includes a light source configured to emit first light, a wavelength converter configured to emit second light having a wavelength different from that of the first light, a first optical system, and a second optical system configured to transmit the second light. The second optical system includes a reflector configured to reflect the first light to the wavelength converter. The first optical system condenses the first light from the light source on the wavelength converter, and guides the first light to the reflector.