US 9,810,394 B2
Vehicular signal and daytime running light assemblies with uniform illumination
Gary Edward Henige, Northville, MI (US); Chad Clement, Belleville, MI (US); and Udayakumar Ramasami, Novi, MI (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by Ford Global Technologies, LLC, Dearborn, MI (US)
Filed on Nov. 13, 2015, as Appl. No. 14/940,994.
Prior Publication US 2017/0138557 A1, May 18, 2017
Int. Cl. F21S 8/10 (2006.01); G02B 3/08 (2006.01); F21Y 101/02 (2006.01)
CPC F21S 48/2212 (2013.01) [F21S 48/215 (2013.01); G02B 3/08 (2013.01); F21Y 2101/02 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A vehicular signal assembly, comprising:
an inner chamber defined by a substrate and spaced apart, corresponding Fresnel lenses; and
an outer chamber defined by the lenses and an outer lens comprising optical elements,
the chambers non-linearly shaped with at least one right angle having a sharp corner, and
the substrate comprises at least four LED sources, each emanating light through the corresponding Fresnel lens and optical elements into a light pattern with a contrast ratio of 3:1 or less.