Patent ID: 7775697

Claim:
A vehicular lamp comprising: a lamp body having an open portion; a lamp front cover that covers the open portion so as to form a lamp chamber; a light source disposed inside the lamp chamber; a light guide disposed inside the lamp chamber and positioned on one side inside the lamp chamber following along with a shape of the lamp front cover, the light guide comprising: a side end surface to which light emitted from the light source is incident on one side thereof; a light-emitting surface that emits the light that is incident from the side end surface in a predetermined direction; a reflective back surface comprising a reflecting portion facing the light-emitting surface; and a plurality of stippling steps having a generally conical shape disposed on the reflective back surface, wherein a central axis that passes through an apex angle of every stippling step slants toward the predetermined emission direction of the light with respect to a virtual vertical line perpendicular to the reflective back surface.