Pixel driving circuit,with two display modes driving method thereof, and display device

A driving method of a pixel driving circuit, including a first power signal terminal, a second power signal terminal, a drive transistor, wherein a gate of the drive transistor is connected to a first node, a first electrode of the drive transistor is connected to a second node, and a second electrode of the drive transistor is connected to a third node, a light-emitting element, wherein a positive electrode of the light-emitting element is connected to a fourth node, and a negative electrode is connected to the second power signal terminal, and a storage element, wherein a first terminal of the storage element is connected to a fixed potential, and a second terminal of the storage element is connected to the first node, wherein in a same time frame of a display, a driving process using the pixel driving circuit includes a non-light-emitting phase and a light-emitting phase, the pixel driving circuit includes a first-frequency-driving mode at a first frequency, and a second-frequency-driving mode at a second frequency, and the first frequency is higher than the second frequency, a signal received by the pixel driving circuit includes a first control signal, and a relative pulse change amount of the first control signal from the non-light-emitting phase to the light-emitting phase in the first-frequency-driving mode is ΔV1;

• a relative pulse change amount of the first control signal from the non-light-emitting phase to the light-emitting phase in the second-frequency-driving mode is ΔV2 and ΔV2>ΔV1, comprising:
• a non-light-emitting phase and a light-emitting phase in a same time frame of displaying;
• a first-frequency-driving mode at a first frequency and a second-frequency-driving mode at a second frequency,
• wherein:
• the first frequency is higher than the second frequency;
• and
• a relative pulse change amount of the first control signal from the non-light-emitting phase to the light-emitting phase in the first-frequency-driving mode is ΔV1;
• a relative pulse change amount of the first control signal from the non-light-emitting phase to the light-emitting phase in the second-frequency-driving mode is ΔV2;
• and ΔV2>ΔV1.

A display device, comprising:

• pixel driving circuit, including:
• a first power signal terminal;
• a second power signal terminal;
• a drive transistor, wherein a gate of the drive transistor is connected to a first node, a first electrode of the drive transistor is connected to a second node, and a second electrode of the drive transistor is connected to a third t de;
• a light-emitting element, wherein a positive electrode of the light-emit element is connected to a fourth node, and a negative electrode electrically is connected to the second power signal terminal;
• and
• as storage element, wherein a first terminal of the storage element is connected to a fixed potential, and a second terminal the storage element is connected to the first node;
• wherein:
• in a same time frame of a display, a drive process using the pixel driving circuit includes a non-light-emitting phase and a light-emitting phase;
• the pixel driving circuit includes a first-frequency-driving mode at a first frequency and a second-frequency-driving mode at a second frequency, and the first frequency is higher than the second frequency;
• a signal received by the pixel driving circuit includes a first control signal;
• and
• a relative pulse change amount of the first control signal from the non-light-emitting phase to the light-emitting phase in the first-frequency-driving mode is ΔV1;
• a relative pulse change amount of the first control signal from the non-light-emitting phase to the light-emitting phase in the second-frequency-driving mode is ΔV2;
• and ΔV2>ΔV1.