Display device and display control device

A display control device that executes a display control of a display panel on which images are displayed and which includes a plurality of display regions, the control device comprising:

• a displayable region detecting unit that detects at least one of displayable regions at a time of abnormality of the display panel;
• an abnormality-time display image generating unit that generates an abnormality-time display image according to the at least one of displayable regions detected by the displayable region detecting unit;
• and
• an abnormality-time display control unit that displays the abnormality-time display image generated by the abnormality-time display image generating unit in the displayable region while causing a driving unit of a plurality of driving units which displays the images in the plurality of display regions of which a corresponding display region is the displayable region to display an image in the corresponding display region,
• wherein a normal-time image displayed at a normal time is formed from a plurality of image elements, and
• wherein the abnormality-time display image generating unit reduces at least one of the plurality of image elements so that a first ratio of reduction of a first image element is smaller than a second ratio of reduction of a second image element having a priority lower than that of the first image element.