Display driving circuit, method of driving display driving circuit, display panel, and display device

A display panel, comprising a plurality of display driving circuits and an array substrate,

• wherein the display driving circuit comprises a compensation circuit and at least one pixel circuit electrically connected to the compensation circuit;
• the pixel circuit is configured to receive a data compensation signal and control a current magnitude of a driving current flowing through a light-emitting element according to the data compensation signal, so as to apply an operating voltage to a first terminal of the light-emitting element;
• the compensation circuit is configured to receive the operating voltage and a data voltage, and adjust the data compensation signal according to a difference between the operating v oltage and the data voltage;
• the array substrate comprises a pixel array region, and the pixel array region comprises a plurality of sub-pixels arranged in an array;
• and
• pixel circuits of the plurality of display driving circuits are respectively provided in the plurality of sub-pixels in the pixel array region of the array substrate, and compensation circuits of the display driving circuits are outside the pixel array region.

A method of driving a display driving circuit, wherein the display driving circuit comprises a compensation circuit and at least one pixel circuit electrically connected to the compensation circuit;

• the pixel circuit is configured to receive a data compensation signal and control a current magnitude of a driving current flowing through a light-emitting element according to the data compensation signal, so as to apply an operating voltage to a first terminal of the light-emitting element and,
• the compensation circuit is configured to receive the operating voltage and a data voltage, and adjust the data compensation signal according to a different between the operating voltage and the data voltage;
• and
• the method comprises:
• controlling the current magnitude of the driving current flowing through the light-emitting element according to the data compensation signal, so as to apply the operating voltage to the first terminal of the light-emitting element;
• and
• receiving the data voltage and adjusting the data compensation signal according to the difference between the operating voltage and the data voltage.