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:
Nov. 12, 2019
Filed:
Oct. 18, 2017
Magna Mirrors (Taicang) Automotive Technology Co., Ltd., Jiangsu, CN;
Zhenxing Mi, Jiangsu, CN;
Zhongyin Shen, Jiangsu, CN;
Abstract
A warning lamp used in lane change at blind zone of a vehicle includes a light source and a light guide including a light entrance surface, a first reflective surface, a second reflective surface, and a light exit surface, the light entrance surface is located above the light source so that the light emitted from the light source is converted to parallel light through the light entrance surface, said first reflective surface is arranged aslope above the light entrance surface, sides of s the first reflective surface are provided with the second reflective surface and the light exit surface, respectively, the first and second reflective surface are provided with total reflection stripes configured so that said parallel light is totally reflected to the second reflective surface through the first reflective surface and then totally reflected by the second reflective surface to said light exit surface to form uniform warning light.