PROBLEM TO BE SOLVED: To provide a light distribution technology which can alleviate discomfort to a driver and the like upon switching a light irradiation state.SOLUTION: A lighting controller of a vehicular headlight system capable of individually irradiating each segment with light comprises a vehicle detection part 11 that detects a position of a vehicle ahead, a light irradiation range setting part 13 that sets a light irradiation range and a non-irradiation range in accordance with the position of the vehicle ahead, a switching segment determination part 14 that determines whether or not a plurality of switching object segments switchable to a lighting state corresponding to a light irradiation range with changes in position of the non-irradiation range, out of segments being in an extinguished state in accordance with the non-irradiation range in each segment, a movement direction judgment part 15, a lighting timing setting part 16, and a lighting control part 17 that feeds light distribution control signals for individually lighting and extinguishing each segment.SELECTED DRAWING: Figure 1

    【課題】光照射状態の切り替え時における運転者等への違和感を軽減することが可能な配光制御技術を提供する。【解決手段】各セグメントを個別に光照射可能な車両用前照灯の点灯制御装置であって、前方車両の位置を検出する車両検出部11と、前方車両の位置に応じて光照射範囲と非照射範囲とを設定する光照射範囲設定部13と、光照射範囲及び非照射範囲に基づいて、各セグメントにおいて、非照射範囲に対応した消灯状態であったセグメントのうち、非照射範囲の位置の変化に伴って光照射範囲に対応した点灯状態に切り替えられる切替対象セグメントが複数存在するか否かを判定する切替セグメント判定部14と、移動方向判定部15と、点灯時期設定部16と、各セグメントを個別に点灯又は消灯させる配光制御信号を供給する点灯制御部17を備える。【選択図】図1


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    Title :

    LIGHTING CONTROLLER OF VEHICULAR HEADLIGHT AND VEHICULAR HEADLIGHT SYSTEM


    Additional title:

    車両用前照灯の点灯制御装置、車両用前照灯システム


    Contributors:

    Publication date :

    2016-10-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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