The invention provides a driver circuit for OLED display panel, which comprises: a plurality of control signal output units (10), and a plurality of pixel light-emitting driver units (20) arranged in an array form, the plurality of control signal output units (10) respectively receiving a feedback control signal reflecting the ageing information of the OLED in a different active area of the OLED display panel, and each control signal output unit (10) correspondingly outputting an adjustable light-emitting control signal to at least a pixel light-emitting driver unit (20) according to the received feedback control signal to adjust the light emission time of the corresponding pixel light-emitting driver unit in a frame cycle so as to compensate the reduced luminance caused by aged OLED and improve the uneven luminance problem of OLED display panel.