To restrain reduction in the visibility of a vehicular display device.SOLUTION: A brightness control device comprises: an illuminance information referencing unit 32 for referring to an illuminance information database 200 storing illuminance information showing illuminance at each position in an illumination installation location where a luminaire is installed; an identification information acquisition unit 31 for acquiring identification information for identifying an illumination installation location where a vehicle travels; and a display control unit 33 located in the vehicle and controlling a display unit 20 which displays information to be provided for a driver. The display control unit 33 controls a brightness of a display image displayed on the display unit 20 in response to the illuminance information at each position in the illumination installation location based on the illuminance information referred by the illuminance information referencing unit 32 and the identification information acquired by the identification information acquisition unit 31.SELECTED DRAWING: Figure 1

    【課題】車両用表示装置の視認性が低下することを抑制すること。【解決手段】照明装置が設置された照明設置場所における位置ごとの照度を示す照度情報を記憶した照度情報データベース200を参照する照度情報参照部32と、車両が走行する照明設置場所を識別する識別情報を取得する識別情報取得部31と、車両に配置され、運転者に提供する情報を表示する表示部20を制御する表示制御部33と、を備え、表示制御部33は、照度情報参照部32で参照した照度情報と識別情報取得部31が取得した識別情報とに基づいて、照明設置場所における位置ごとの照度情報に応じて、表示部20に表示する表示映像の輝度を制御する。【選択図】図1


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    Title :

    BRIGHTNESS CONTROL DEVICE, VEHICULAR DISPLAY DEVICE, BRIGHTNESS CONTROL METHOD AND PROGRAM


    Additional title:

    輝度制御装置、車両用表示装置、輝度制御方法およびプログラム


    Contributors:

    Publication date :

    2019-01-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS



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