There is provided a lighting circuit configured to drive a light source including a plurality of light emitting units connected in series. The lighting circuit includes a converter which is configured to supply a drive current to the light source, a plurality of high-side switches, each of which is provided between one end of a corresponding light emitting unit and one output of the converter, and a plurality of low-side switches, each of which is provided between another end of the corresponding light emitting unit and another output of the converter.


    Access

    Download


    Export, share and cite



    Title :

    LIGHTING CIRCUIT AND VEHICLE LAMP


    Contributors:

    Publication date :

    2019-03-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H05B ELECTRIC HEATING , Elektrische Heizung / 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





    VEHICLE LAMP AND LIGHTING CIRCUIT

    ICHIKAWA TOMOYUKI / SUZUKI TETSUYA / OZAWA ATSUSHI et al. | European Patent Office | 2020

    Free access

    Lighting circuit and vehicle lamp

    MURAKAMI TAKUYA / YOSHIDA SHUNICHIRO | European Patent Office | 2019

    Free access

    LIGHTING CIRCUIT AND VEHICLE LAMP

    TSUCHIYA TOSHIYUKI / MURAMATSU TAKAO / TODA TAKESHI | European Patent Office | 2019

    Free access