Display device of active matrix type

A display device of active matrix type, in which a plurality of emissive elements of current control type and a plurality of pixel circuits are formed as a matrix, configured to supply corrected gradation voltages for display to the pixel circuits, the display device comprising:

• the pixel circuits configured to supply currents to the emissive elements, each pixel circuit comprising an input circuit configured to receive an input current to said each pixel circuit, and a driving transistor configured to supply a current flowing through a respective emissive element, the current flowing through the respective emissive element being configured to be proportional to the input current;
• a measurement circuit, comprising a constant current supplying circuit configured to generate and supply one or more constant currents as input currents to the input circuit of said each pixel circuit in a time division manner, the measurement circuit A/D-converting output voltages of the constant current supplying circuit corresponding to the one or more constant currents, performing a predetermined operation on the A/D-converted data, and calculating data relating to electron mobility and threshold value of the driving transistor;
• and
• a gradation voltage supplying circuit configured to supply a corrected gradation voltage for display to said each pixel circuit, the corrected gradation voltage being data corrected on the basis of data calculated from the measurement circuit.