an organic el display device which individually controls the amount of current of organic el elements , which are arranged in a matrix of pixels , according to an input image signal , comprising total current detection circuitry for detecting the total current flowing to all the organic el elements arranged in the pixel matrix , offset voltage setting circuitry for determining an offset voltage to offset the input image signal so as to apply a voltage which causes the current to start flowing to the organic el elements according to a black level of the input image signal , and offset voltage control circuitry for controlling the offset voltage , which is responsive to the offset voltage setting circuitry , according to the total current detected by the total current detection circuitry .