PROBLEM TO BE SOLVED: To provide a vehicular lighting fixture unit in which one laser light source is made common among a plurality of lighting fixture units.SOLUTION: A vehicular lighting fixture unit 40 includes: a laser light source 42; a first lighting fixture unit 46A including a first wavelength conversion member for receiving a laser beam from the laser light source and converting at least one part of the laser beam into light of a different wavelength, and a first optical system configured so as to form a first light distribution pattern by radiating the light from the first wavelength conversion member frontward; a second lighting fixture unit 46B including a second wavelength conversion member for converting at least one of the laser beam into light of a different wavelength, and a second optical system configured so as to form a second light distribution pattern by radiating the light from the second wavelength conversion member frontward; and optical path switching means 48 for switching a light path of the laser beam from the laser light source into one of a first optical path for irradiating the first wavelength conversion member and a second optical path for irradiating the second wavelength conversion member.SELECTED DRAWING: Figure 4
【課題】1つのレーザー光源を複数の灯具ユニット間で共通化する車両用灯具ユニットを提供する。【解決手段】車両用灯具ユニット40は、レーザー光源42と、レーザー光源からのレーザー光を受けてレーザー光の少なくとも一部を異なる波長の光に変換する第1波長変換部材と、第1波長変換部材からの光を前方に照射して第1配光パターンを形成するように構成された第1光学系と、を含む第1灯具ユニット46Aと、レーザー光の少なくとも一部を異なる波長の光に変換する第2波長変換部材と、第2波長変換部材からの光を前方に照射して第2配光パターンを形成するように構成された第2光学系と、を含む第2灯具ユニット46Bと、レーザー光源からのレーザー光の光路を、第1波長変換部材を照射する第1光路又は第2波長変換部材を照射する第2光路のいずれかに切り替える光路切替手段48と、を備える。【選択図】図4
VEHICULAR LIGHTING FIXTURE UNIT
車両用灯具ユニット
2016-05-19
Patent
Electronic Resource
Japanese
IPC: | F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
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