Patent ID: 8454214

Claim:
A vehicular lamp comprising: a light guide lens having a distal end curving toward a rear of a vehicle; an LED light source mounted to a base end of the light guide lens; a functional light distribution portion configured to diffuse light from the LED light source sideward of the vehicle, wherein the functional light distribution portion is disposed at the distal end of the light guide lens; a design light distribution portion disposed in the light guide lens between the LED light source and the functional light distribution portion; a linear optical step on the design light distribution portion, the linear optical step extending in a longitudinal direction of the light guide lens, wherein the linear optical step is configured to reflect a portion of light emitted from the LED light source and in a direction of the functional light distribution portion to in front of the vehicle; and a plurality of groove portions disposed on the linear optical step so as to transverse the step, wherein the groove portion is shallower than a height of the step.