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:
Jul. 13, 2021
Filed:
Apr. 28, 2016
Mitsubishi Electric Corporation, Tokyo, JP;
Kohei Sakai, Tokyo, JP;
Yukari Takada, Tokyo, JP;
Fumio Shohda, Tokyo, JP;
Kenichi Hirosawa, Tokyo, JP;
Takayuki Yanagisawa, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A lens () has an incidence surface () having a cylindrical shape and forming a concave shape, and an emitting surface () forming a convex shape with respect to an optical axis (). A light source () has a large divergence angle in a vertical direction, and a divergence angle in a horizontal direction which is smaller than that in the vertical direction. The light source () is located at a position of focal length of the lens () in the vertical direction on a side of the incidence surface. The horizontal direction of the light source () is aligned with a curvature direction of the cylindrical shape of the lens ().