Importance

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Abstract

A lighting unit for a vehicle lamp, can include a lens body including an incident surface, a light exit surface, and a reflecting surface configured to internally reflect light having entered the lens body through the incident surface, toward the light exit surface; and a horizontally long light-emitting section disposed at or substantially near a rear focus of the lens body to emit light that enters an inside of the lens body through the incident surface and is internally reflected by the reflecting surface before exiting through the light exit surface. The reflecting surface has at least two V-grooves formed so as to extend along a plane including an optical axis of the horizontally long light-emitting section, the V-grooves being disposed adjacent to each other in a circumferential direction of the reflecting surface. The lighting unit can form horizontally long projected light source images regardless of light exit positions.

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First Claim