| CPC F21S 41/275 (2018.01) | 8 Claims |
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1. A lamp for vehicles, comprising:
a light source;
a reflector configured to reflect light incident from the light source;
an outer lens; and
an optical system comprising a lens configured to condense the light reflected from the reflector to form light distribution, the lens having a light-emitting surface and a plurality of facets formed on the light-emitting surface, wherein light emitted from the light-emitting surface is incident on the outer lens,
wherein a line connecting a plurality of centers of the plurality of facets is straight or curved,
wherein the line connecting the plurality of centers of the plurality of facets is not perpendicular to an optical axis of the optical system or is asymmetrical with respect to the optical axis,
wherein the plurality of facets is disposed in an array extending in a horizontal direction and a vertical direction,
wherein the plurality of facets includes a plurality of first facets disposed side by side in the horizontal direction,
wherein a plurality of light-emitting surfaces of the plurality of first facets have a plurality of horizontal slopes having a predetermined difference in inclination angle or a plurality of curvatures having a predetermined difference in curvature, and
wherein the predetermined difference in inclination angle or the predetermined difference in curvature is set according to an angle formed by a line connecting a plurality of centers of the plurality of first facets and the optical axis of the optical system.
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