Patent ID: 9177504
Filing Date: 2015-11-03
Classification: G09G

Abstract:
1. An image display device having a display unit comprising a plurality of display elements, a signal line configured to input a display signal voltage to the display unit, and a display control unit configured to control the display signal voltage, the image display device comprising: a detection power source; a switch configured to cause current from the detection power source to flow to the display elements of the plurality of display elements; a detection circuit configured to detect a characteristic of each display elements of the plurality of display elements if the current is flowing to the display elements of the plurality of display elements; and a detection information storage circuit configured to store information detected by the detection circuit, the information being usable to compensate the display signal voltage; wherein the detection circuit comprises an A/D converter, the A/D converter being configured to the characteristic of the display element from an analog value to a digital value, and wherein the detection circuit is configured to detect the characteristic of each display element of the plurality of display elements by: