IMAGE DISPLAY DEVICE, CONTROL METHOD OF IMAGE DISPLAY DEVICE, CONTROL PROGRAM OF IMAGE DISPLAY DEVICE, AND RECORDING MEDIUM RECORDING CONTROL PROGRAM

摘要

PROBLEM TO BE SOLVED: To suppress deterioration of display quality.SOLUTION: A control device executes a program including: a step (S112) for, when an unintentional black image is detected (S102:YES), notifying of a target value of backlight luminance and correction quantity of image luminance just before the detection of the black image until a prescribed period lapses (S104, S108:NO); a step (S114) for correcting an image according to the notified correction quantity of image luminance; a step (S116) for displaying the corrected image on a liquid crystal panel; and a step (S118) for controlling a backlight according to the notified target value of backlight luminance.