A drive apparatus for driving a display panel in response to an input image signal, the display panel having a plurality of pixel portions (PL 11 - PL nm) arranged therein, and each pixel portion comprising a series circuit of a light-emission element and a switch element, the drive apparatus comprising: a drive voltage generator (22, 24) for applying a drive voltage to the series circuit of each of said plurality of pixel portions (16a, 16b); a current measuring part for measuring a value of a current supplied from said drive voltage generator to the series circuit of each of said plurality of pixel portions (PL 11 - PL nm); a current supplying part (28, 22) for adding to said current supplied from said drive voltage generator an off-set current component corresponding to a leak current of said display panel, and supplying a resultant current to the series circuit of each of said plurality of pixel portions (PL 11 - PL nm); a memory control part for storing in memory a measured current value by said current measuring part at a light-emission timing correspondingly to each of said plurality of pixel portions while sequentially causing said light-emission element to singularly emit light for each of said plurality of pixel portions, by respectively turning on said switch element of each of said plurality of pixel portions; and a luminance corrector for correcting the light-emission luminance output of the light emitting device of each of said plurality of pixel portions based on a corresponding one of measured current values stored in said memory, characterized in that said current supplying part comprises a reading and judging part which is adapted to read a value of the current outputted from the drive voltage generator when light-emitting devices of all of said plurality of pixel portions are in a light-off state, as a measured leak current, and judge as to whether or not the measured leak current is within a predetermined current range, and a controller which is adapted to control operations of increasing the output current of said current supplying part and to make said reading and judging part perform said reading operation and judging operation once again when it is judged by said reading and judging part that the measured leak current is outside the predetermined current range, and to maintain the output current of said current supplying part as a value of said off-set current component when it is judged by said reading judging part that the measured leak current is within the predetermined current range. a drive voltage generator (22, 24) for applying a drive voltage to the series circuit of each of said plurality of pixel portions (16a, 16b); a current measuring part for measuring a value of a current supplied from said drive voltage generator to the series circuit of each of said plurality of pixel portions (PL 11 - PL nm); a current supplying part (28, 22) for adding to said current supplied from said drive voltage generator an off-set current component corresponding to a leak current of said display panel, and supplying a resultant current to the series circuit of each of said plurality of pixel portions (PL 11 - PL nm); a memory control part for storing in memory a measured current value by said current measuring part at a light-emission timing correspondingly to each of said plurality of pixel portions while sequentially causing said light-emission element to singularly emit light for each of said plurality of pixel portions, by respectively turning on said switch element of each of said plurality of pixel portions; and a luminance corrector for correcting the light-emission luminance output of the light emitting device of each of said plurality of pixel portions based on a corresponding one of measured current values stored in said memory, characterized in that said current supplying part comprises a reading and judging part which is adapted to read a value of the current outputted from the drive voltage generator when light-emitting devices of all of said plurality of pixel portions are in a light-off state, as a measured leak current, and judge as to whether or not the measured leak current is within a predetermined current range, and a controller which is adapted to control operations of increasing the output current of said current supplying part and to make said reading and judging part perform said reading operation and judging operation once again when it is judged by said reading and judging part that the measured leak current is outside the predetermined current range, and to maintain the output current of said current supplying part as a value of said off-set current component when it is judged by said reading judging part that the measured leak current is within the predetermined current range.