VEHICLE LIGHTING FIXTURE

摘要

A vehicle lighting fixture can utilize a plurality of optical deflectors configured to two-dimensionally scan with excitation light. The vehicle lighting fixture can form a predetermined light distribution pattern and have at least one first lighting unit and at least one second lighting unit. The first lighting unit can include: excitation light sources; optical deflectors corresponding to the excitation light sources, each including a mirror part that can two-dimensionally scan with excitation light in horizontal and vertical directions; a first wavelength conversion member configured to include scanning regions corresponding to the optical deflectors, forming a light intensity distribution image; and a first optical system configured to project the light intensity distribution images formed in the respective scanning regions to form a first light distribution pattern. At least one scanning region can overlap another scanning region in part to relatively increase a light intensity in the overlapped scanning region.

主权项

1. A vehicle lighting fixture configured to form a predetermined light distribution pattern, comprising:
at least one first lighting unit and at least one second lighting unit, wherein the first lighting unit includes
a plurality of excitation light sources;a plurality of optical deflectors provided to correspond to the plurality of excitation light sources, the optical deflector configured to include a mirror part that can two-dimensionally scan with excitation light from a corresponding one of the excitation light sources in a horizontal direction and a vertical direction;a first wavelength conversion member configured to include a plurality of scanning regions provided to correspond to the plurality of optical deflectors such that the plurality of scanning regions can be two-dimensionally scanned by the excitation light in the horizontal direction and the vertical direction to draw a two-dimensional image in a corresponding one among the plurality of scanning regions, thereby forming a light intensity distribution image in each of the plurality of scanning regions; anda first optical system configured to project the light intensity distribution images formed in the respective scanning regions to form a first light distribution pattern, at least one scanning region among the plurality of scanning regions configured to overlap another scanning region in part to relatively increase a light intensity of the light intensity distribution formed in the overlapped scanning region, the second lighting unit includes
a single excitation light source;a single optical deflector provided to correspond to the single excitation light source, the single optical deflector configured to include a mirror part that can two-dimensionally scan with excitation light from the single excitation light source in a horizontal direction and a vertical direction;a second wavelength conversion member configured to include a single scanning region provided to correspond to the single optical deflector such that the single scanning region can be two-dimensionally scanned by the excitation light in the horizontal direction and the vertical direction to draw a two-dimensional image in the single scanning region, thereby forming a light intensity distribution image in the single scanning region; anda second optical system configured to project the light intensity distribution image to form a second light distribution pattern, and the predetermined light distribution pattern is formed by overlaying the first light distribution pattern and the second light distribution pattern on each other.