Patent ID: 8704731

Claim:
A display control device for controlling a plurality of display devices included in a multi display system, comprising: a status obtaining section for obtaining, from the plurality of display devices, luminance setting values and pieces of temperature information of the respective plurality of display devices, the luminance setting values defining luminance levels of the respective plurality of display devices and the pieces of temperature information indicating whether the temperature status of each of the respective plurality of display devices is (a) abnormal because the temperature of the display device has exceeded a normal temperature, (b) abnormal because the temperature of the display device has fallen below a normal temperature, or (c) normal, the luminance setting values being determined in accordance with the temperature information; a condition determining section for determining, according to the pieces of temperature information of the respective plurality of display devices obtained by the status obtaining section, whether or not, in at least one of the display devices, an abnormal temperature condition has occurred because (a) the temperature of a display device has exceeded a normal temperature or (b) the temperature of a display device has fallen below a normal temperature; and a luminance control section for (i) determining a standard luminance setting value according to the luminance setting values obtained from the plurality of display devices and (ii) changing each of the luminance setting values of the respective display devices to the standard luminance setting value, wherein the luminance control section determines, as the standard luminance setting value, a lowest luminance setting value among the luminance setting values of the respective plurality of display devices when an abnormal condition has occurred in one of the display devices because the temperature of the display device has exceeded a normal temperature, and wherein the luminance control section determines, as the standard luminance setting value, a highest luminance setting value among the luminance setting values of the respective plurality of display devices when an abnormal condition has occurred in one of the display devices because the temperature of the display device has fallen below a normal temperature.