It is an organic light emitting diode display field - - -. The display panel comprising: a substrate; a arranged on the substrate a thin film transistor (tft), wherein the tft a source electrode and a drain electrode; a network line, which is arranged above the substrate; an auxiliary electrode, which is electrically connected with the mains line; a signal input connection, which is electrically connected with the mains line and provides an input signal. For two sections of a combination of the auxiliary electrode and the mains lead, wherein each section has a first length, is a resistance value of a far from the signal input connection section remote less than a resistance value of a section located close to the signal input connection. A position which has a large voltage drop, is provided with a large compensation, and the voltage drop along the main power supply line is reduced.
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