To provide a vehicular lighting fixture capable of moving a high illuminance region while enhancing utilization efficiency of light, in the vehicular lighting fixture for forming a light distribution pattern by using a liquid crystal element.SOLUTION: A vehicular lighting fixture which irradiates the front side of a vehicle includes: a light source device for radiating light including a high illuminance region; a reflection part for reflecting the light radiated from the light source; a first liquid crystal element arranged in an optical path of the light reflected by the reflection part and for forming first image light; a projection optical system for radiating the first image light frontward as a light distribution pattern; and a movement mechanism for changing an incident position of the high illuminance region entering the first liquid crystal element by moving the reflection part.SELECTED DRAWING: Figure 1

    【課題】液晶素子を用いて配光パターンを形成する車両用灯具において、光の利用効率を高めつつ高照度領域の移動を可能とする車両用灯具を提供する。【解決手段】車両の前方を照射する車両用灯具であって、高照度領域を含む光を照射する光源装置と、光源装置から照射された光を反射する反射部と、反射部において反射された光の光路中に配置されて第1の画像光を形成する第1の液晶素子と、第1の画像光を配光パターンとして前方に照射する投影光学系と、反射部を移動させて第1の液晶素子に入射する高照度領域の入射位置を変える移動機構と、を備える、車両用灯具。【選択図】図1


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    Title :

    VEHICULAR LIGHTING FIXTURE


    Additional title:

    車両用灯具


    Contributors:

    Publication date :

    2019-02-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING,... , Vorrichtungen oder Anordnungen, deren optische Arbeitsweise durch Änderung der optischen Eigenschaften des Mediums der Vorrichtungen oder Anordnungen geändert wird zum Steuern der Intensität, Farbe, Phase, Polarisation oder der Richtung von...





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