To provide a lighting control technique that can reduce costs and can switch autonomously between sequential turn control and all flashing control without increasing signal lines.SOLUTION: A lighting control device 100 performs lighting control of a light source 200 configured to include plural light-emitting elements. The lighting control device includes: switching signal generating parts 3 to 9 that generate a switching signal indicating a first operation mode when the cycle of a turn signal Turn supplied from a vehicle is a first cycle and generate a switching signal indicating a second operation mode when the cycle of the turn signal Turn from the first cycle is a second cycle shorter than the first cycle; and drive units 1 and 2 that generate drive voltage by using the turn signal Turn to drive the light-emitting elements of the light source 200 in one of the first operation mode and the second operation mode in accordance with the switching signal generated by the switching signal generating parts 3 to 9.SELECTED DRAWING: Figure 1

    【課題】コストを抑え、かつ信号線を増やすことなくシーケンシャルターン制御と全点滅制御を自律的に切り替え可能な点灯制御技術を提供すること。【解決手段】複数の発光素子を有して構成される光源200の点灯制御を行うための点灯制御装置100であって、車両から供給されるターン信号Turnの周期が第1周期である場合に第1動作モードを示す切り換え信号を生成し、ターン信号Turnの周期が前記第1周期から当該第1周期よりも短い第2周期である場合に第2動作モードを示す切り換え信号を生成する切り換え信号生成部3〜9と、ターン信号Turnを用いて駆動電圧を生成して、切り換え信号生成部3〜9によって生成される切り換え信号に応じて第1動作モードと第2動作モードのいずれかで光源200の各発光素子を駆動する駆動部1、2とを含む。【選択図】図1


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    Title :

    LIGHT SOURCE LIGHTING CONTROL DEVICE AND VEHICLE LIGHTING TOOL


    Additional title:

    光源の点灯制御装置、車両用灯具


    Contributors:

    Publication date :

    2020-07-02


    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



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