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. 27, 2024
Filed:
Jun. 16, 2021
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Takaaki Tanaka, Osaka, JP;
Abstract
A light source device includes: a plurality of first laser light sources, a second laser light source, and a plurality of third laser light sources; a first polarization mirror that combines light from the plurality of first laser light sources and transmits light from the second laser light source; a dichroic mirror that combines the light from the plurality of first laser light sources and the light from the second laser light source; a second polarization mirror that combines light from the plurality of third laser light sources and transmits the light from the plurality of first laser light sources and the light from the second laser light source; a retardation plate that converts polarization of light from the second polarization mirror into circular polarization; and a filter element that reflects light from the retardation plate.