Vehicle lamp having excitation light source, light conversion unit, and optical filter

A vehicle lamp comprising:

• a lamp housing and a lamp lens forming a lamp chamber;
• and
• an excitation-light irradiation unit, a light conversion unit, and an optical filter disposed in the lamp chamber, wherein
• the excitation-light irradiation unit emits excitation light to the light conversion unit,
• the light conversion unit causes secondary light to be emitted by the excitation light emitted from the excitation-light irradiation unit and the secondary light to be emitted to a side of the lamp lens,
• the optical filter transmits the excitation light and absorbs the secondary light, and
• at least a surface of the lamp housing facing the lamp chamber is black in color.

A vehicle lamp comprising:

• a lamp housing and a lamp lens forming a lamp chamber;
• and
• an excitation-light irradiation unit a light conversion unit, and an optical filter disposed in the lamp chamber, wherein
• the excitation-light irradiation unit emits excitation light to the light conversion unit,
• the light conversion unit causes secondary light to be emitted by the excitation light emitted from the excitation-light irradiation unit and the secondary light to be emitted to a side of the lamp lens,
• the optical filter transmits the excitation light and absorbs the secondary light,
• the excitation-light irradiation unit has:
• an excitation light source that emits the excitation light;
• and
• an excitation-light final irradiation surface that finally irradiates the light conversion unit with the excitation light emitted from the excitation light source,
• the light conversion unit has:
• a light emitting film that emits the secondary light by the excitation light emitted from the excitation-light final irradiation surface;
• a reflection film that causes the secondary light emitted from the light emitting film to be reflected to a side of the light emitting film;
• and
• a secondary-light emitting surface that causes the secondary light to be emitted to a side of the lamp lens,
• the optical filter is disposed at a position between the excitation-light final irradiation surface of the excitation-light irradiation unit and the secondary-light emitting surface of the light conversion unit and out of the secondary-light emitting surface on a front view seen from a direction opposite to an emission direction of the secondary light.