Patent ID: 7168833

Claim:
An automotive headlamp comprising: a housing for receiving a light source; a light source received in the housing; an outer lens affixed to the housing and disposed such that light from the light source received in the housing passes through the lens; wherein the lens comprises a polycarbonate and a photoluminescent material; and wherein the light source and the material of the lens are selected such that light emitted from the light source is modified in chromaticity as it passes through the lens such that the illuminating beam from the headlamp has an average x chromaticity coordinate of 0.345 to 0.405 and has chromaticity coordinates inside the following boundaries as defined by the CIE 1931 color model and measured using spectrophotometric methods as presented in the ASTM standard E 308-66: a blue boundary of X=0.31 a yellow boundary of X=0.50 a green boundary of Y=0.15+0.64x a purple boundary of Y=0.05+0.75x a green boundary of Y=0.44 and a red boundary of Y=0.38.