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.

Date of Patent:
Jan. 07, 2020

Filed:

Feb. 23, 2017
Applicant:

GM Global Technology Operations Llc, Detroit, MI (US);

Inventors:

Nicholas V. Friszell, Oxford, MI (US);

Gregory M. Castillo, Windsor, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/00 (2018.01); F21S 41/64 (2018.01); F21S 41/663 (2018.01); F21S 43/20 (2018.01); G02F 1/157 (2006.01); G02F 1/163 (2006.01); G02F 1/1516 (2019.01); F21W 103/20 (2018.01); F21W 106/00 (2018.01); F21W 102/00 (2018.01); F21W 103/00 (2018.01);
U.S. Cl.
CPC ...
F21S 41/645 (2018.01); F21S 41/663 (2018.01); F21S 43/255 (2018.01); G02F 1/157 (2013.01); G02F 1/163 (2013.01); F21W 2102/00 (2018.01); F21W 2103/00 (2018.01); F21W 2103/20 (2018.01); F21W 2106/00 (2018.01); G02F 1/15165 (2019.01);
Abstract

A vehicle lighting system includes a light source; a first lighting subsystem includes a first light path having a first end positioned to receive light from the light source and to deliver the light to a second end of the first light path; and a first electrochromic filter disposed in the first light path; and a second lighting subsystem includes a second light path having a first end positioned to receive light from the light source and to deliver the light to a second end of the second light path; and a second electrochromic filter disposed in the second light path, wherein the first lighting subsystem provides a first lighting function, and wherein the second lighting subsystem provides a second lighting function.


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