Vehicle lightening unit

摘要

A vehicle lighting unit which emits light parallel to an optical axis in a front direction includes: a light source which emits the light obliquely to the optical axis in the front direction; and a light guiding body which guides the light emitted from the light source so as to emit the light, the light guiding body including: an incidence surface disposed to face the light source with a gap in between, the incidence surface through which the light emitted from the light source enters the light guiding body; a front surface having an exit surface and a first reflection surface; and a back surface having a second reflection surface.