A circuit and method for detecting and driving system detection

The present invention provides a detection method and a detection circuit and a drive system. The detection circuit includes a switching unit, a reset unit, and a comparing unit; a switching unit for switching the work and a reset unit comparison unit; a resetting unit to reset before acquisition unit starts collecting unit collecting; means for comparing the acquisition unit the signal is compared with the standard signal to obtain a characterizing quantity to be detected voltage. The detection circuit can detect the threshold voltage of the pixel circuit in the drive tube and / or the operating voltage of the light emitting element, it is possible to detect an active matrix organic electroluminescent display device inside a display pixel luminance unevenness, thereby enabling the external compensation It can be well compensated luminance of the display pixel based on the detection result, to improve the homogeneity of the active matrix display and organic electroluminescent display device of the display.