To provide a display state control device and display state control method that make users realize a freeze of a display screen even when an error occurs in a processing system for putting the display screen into a safety state.SOLUTION: A display state control device comprises: a safety state determination unit 23 that, when a freeze of a display image is detected by a freeze detection unit 21, determines whether an LCD1 is in a safety state on the basis of an image of an eye of a user watching the LCD1 after a safety state setting unit 22 turns off a backlight to put the LCD1 into a safety state; and a different control unit 24 that, when it is determined that the LCD1 is not in the safety state, turns off an LCD power source 4. Even when an error occurs in a processing system of the safety state setting unit 22 and the LCD1 is not in the safety state, the display state control device is configured to detect that the LCD1 is not in the safety state from a display state of the LCD1 reflected in the eye of the user, and control so as to be in the same display state as the safety state.SELECTED DRAWING: Figure 2

    【課題】表示画面を安全状態にするための処理系統にエラーが生じている場合でも、表示画像がフリーズしていることをユーザに気づかせることが可能な「表示状態制御装置および表示状態制御方法」を提供する。【解決手段】フリーズ検出部21により表示画像のフリーズが検出された場合、安全状態設定部22がバックライトをオフしてLCD1を安全状態した後、LCD1を見ているユーザの目の部分の画像に基づいて、LCD1が安全状態になっているか否かを判定する安全状態判定部23と、安全状態になっていないと判定された場合にLCD電源4をオフする別制御部24とを備え、安全状態設定部22の処理系統にエラーが生じていてLCD1が安全状態にならない場合でも、ユーザの目に映り込んでいるLCD1の表示状態から安全状態ではないことを検知して、安全状態と同様の表示状態となるように制御する。【選択図】図2


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    Title :

    DISPLAY STATE CONTROL DEVICE, AND DISPLAY STATE CONTROL METHOD


    Additional title:

    表示状態制御装置および表示状態制御方法


    Contributors:

    Publication date :

    2023-11-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen



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