A display device of a motor vehicle has a display element, by which a value can be displayed by transmitting light beams through the display element and which can be adjusted in its display brightness. A detection device includes a control unit and a detecting element for detecting an ambient brightness of the surroundings of the display element. The display brightness can be adjusted by the control unit depending on a signal characterizing the detected ambient brightness and transmitted from the detecting element to the control unit. The detecting element is designed to detect light beams transmitted by the display element and to transmit an evaluation signal characterizing the detected light beams to the control unit, by which the display element can be tested regarding its functionality depending on the evaluation signal. A related method is used to operate the display device.


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    Title :

    DISPLAY DEVICE OF A MOTOR VEHICLE AND METHOD FOR OPERATING A DISPLAY DEVICE OF THIS TYPE


    Contributors:

    Publication date :

    2015-07-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION



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