Vehicle headlight

摘要

Light emitted from a light source having an S/P ratio being 2.0 or more is projected to a peripheral area in front of a vehicle body, and thereby an earlier awareness with the peripheral vision under dark environment (e.g., during nighttime driving) can be facilitated.

主权项

1. A vehicle light comprising:
a light source; and an optical system configured to direct light emitted from the light source to at least a peripheral area of an illumination area in front of a vehicle body, wherein an S/P ratio of the light source is represented by (S(λ)*V′(λ))/(S(λ)*V(λ)) in which S(λ) is a spectrum of the light source, V′(λ) is a relative luminosity factor in scotopic vision, and V(λ) is a relative luminosity factor in photopic vision, and wherein the S/P ratio is 2.0 or more.