Browse Publications Technical Papers 980001
1998-02-23

Global Vehicle Lighting System 980001

The Principle of the Global Vehicle Lighting System (GVLS) is characterized by optimized vehicle space light intensity distribution provided by the different contributions of the offside (close to central line) and nearside (near to road curb) headlamps. Today's existing headlamps have approximately the same light beam geometry and spread of light intensity. The offside GVLS headlamp has a bigger spread and lower light intensity, therefore the glare effect is lower. The nearside headlamp has a lower spread and higher light concentration, producing better luminance contrast and illumination of the nearside road curb.
This solution reduces the individual projection of the headlamps' low beam and high beam hot spots and so only one integral lighting patch is perceived. This increases the lateral homogeneity of the illuminated road surface at distances of more than 25 meters. The light beams have different geometry, spread and hot spot values. This system can help to reduce glare to oncoming traffic and improve the optical guidance of the driver.

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