To obtain white irradiation light of a prescribed color by correcting difference and change of light source white light in a headlight lamp unit for a vehicle by using a liquid crystal element.SOLUTION: A headlight lamp unit for vehicle includes: a light source 1; an information acquisition unit 8 for acquiring information in front of an own vehicle; an irradiation pattern calculation unit 5 for determining a selective irradiation pattern to the front side of the own vehicle on the basis of information acquired by the information acquisition unit 8; a voltage application unit 4 for applying voltage to a liquid crystal element 3 on the basis of the irradiation pattern determined by the irradiation pattern calculation unit 5; the liquid crystal element 3 for changing the transmission factor of each light control region on the basis of the voltage from the voltage application unit 4; and a projection optical system 6 for performing light distribution control of light emitted from the light source 1 and undergoing transmission control by the liquid crystal element 3.SELECTED DRAWING: Figure 1

    【課題】車両用前照灯ユニットにおいて、光源白色光の差や変化を液晶素子を利用して補正し所定の色の白色の照射光を得ること。【解決手段】光源1と、自車両の前方の情報を取得する情報取得部8と、情報取得部8により得られた情報に基づいて自車両の前方に対して選択的な照射パターンを決定する照射パターン演算部5と、照射パターン演算部5により決定された照射パターンに基づき液晶素子3に電圧を印加する電圧印加部4と、電圧印加部4からの電圧に基づいて各光制御領域の透過率を変化する液晶素子3と、光源1から出射して液晶素子3で透過制御された光の配光制御を行う投射光学系6と、を有する構成とした。【選択図】図1


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    Titel :

    METHOD FOR ADJUSTING EMISSION LIGHT COLOR OF HEADLIGHT LAMP UNIT FOR VEHICLE


    Weitere Titelangaben:

    車両用前照灯ユニットの出射光色の調整方法


    Beteiligte:

    Erscheinungsdatum :

    29.08.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    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 / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / 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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