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. 21, 2022
Filed:
Nov. 21, 2018
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Ryo Haseyama, Osaka, JP;
Abstract
The present disclosure provides a beam converting optical system that is small and has high divergence angle, and provides a light source device. Beam converting optical system according to an aspect of the present disclosure includes first optical element and second optical element. First optical element is a cylindrical lens. The cylindrical lens of first optical element has first optical surface and second optical surface. First optical surface has positive refractive power. Second optical element is a cylindrical lens. The cylindrical lens of second optical element has third optical surface and fourth optical surface. Third optical surface has negative refractive power. Laser beam converges at focal area. Focal area is between first optical element and second optical element.