Organic Light Emitting Display Panel And Pixel Compensation Method

An organic light emitting display panel, comprising:

• a pixel array comprising pixel regions divided into M rows and N columns;
• a plurality of pixel driving circuits, each including a light emitting diode, a driving transistor for driving the light emitting diode, wherein each of the light emitting diodes is located in one of the pixel regions;
• and
• a plurality of pixel compensation circuits each associated with one of the pixel driving circuits, configured to sample an anode voltage of the light emitting diode in one associated pixel driving circuits and a light emitting current flowing through the light emitting diode, and generate a compensation signal based on the anode voltage and the light emitting current,
• wherein the pixel compensation circuit comprises a first voltage sampling unit, a second voltage sampling unit and a calculation unit,
• wherein the first voltage sampling unit comprises a sampling resistor and a first differential amplifier, wherein the sampling resistor is arranged on a current path of the light emitting current, wherein two input terminals of the first differential amplifier are electrically connected to two ends of the sampling resistor respectively, and wherein the light emitting current is determined based on a voltage difference between the two ends of the sampling resistor,
• wherein the second voltage sampling unit is configured to sample the anode voltage of the light emitting diode, and
• wherein the calculation unit is configured to determine the compensation signal based on the anode voltage and the light emitting current.