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:
Oct. 27, 2020
Filed:
Jul. 02, 2019
Koito Manufacturing Co., Ltd., Tokyo, JP;
Tatsunari Enomoto, Shizuoka, JP;
Tomoyuki Watanabe, Shizuoka, JP;
KOITO MANUFACTURING CO., LTD., Tokyo, JP;
Abstract
A vehicle lamp includes a light emitting element; and a plate-shaped light guide arranged such that a longitudinal direction thereof crosses an optical axis of the light emitting element. The plate-shaped light guide includes an introducing portion, a reflecting portion, and an emitting portion. The reflecting portion is arranged in front of the optical axis, and includes a front side reflective surface that reflects the light from the introducing portion toward the emitting portion. The front side reflective surface includes a plurality of diffusing steps that diffuses the light from the introducing portion in an extending direction of the plate-shaped light guide.