Pixel circuit, driving method and display device

A driving method, applied to a pixel circuit, wherein the pixel circuit comprises a light emitting element, a driving circuit, a first energy storage circuit, a first setting circuit, a second setting circuit and a light emitting control circuit;

• wherein
• the light emitting control circuit is electrically connected to a light emitting control terminal, a first voltage terminal and a first terminal of the driving circuit respectively, and is configured to control to connect the first voltage terminal and the first terminal of the driving circuit under the control of a light emitting control signal provided by the light emitting control terminal;
• a control terminal of the driving circuit is electrically connected to a first node, and a second terminal of the driving circuit is electrically connected to a first electrode of the light emitting element, the driving circuit is configured to control to connect the first voltage terminal and the first electrode of the light emitting element under the control of a potential of the first node;
• the first electrode of the light emitting element is electrically connected to a second node;
• a second electrode of the light emitting element is electrically connected to a second voltage terminal;
• a first terminal of the first energy storage circuit is electrically connected to the first node, and a second terminal of the first energy storage circuit is electrically connected to a third node, the first energy storage circuit is configured to store electrical energy;
• the second node is electrically connected to the third node;
• the first setting circuit is electrically connected to a first control terminal, a first setting voltage terminal and the first node respectively, and is configured to control to connect the first setting voltage terminal and the first node under the control of a first control signal provided by the first control terminal;
• the second setting circuit is electrically connected to a second control terminal, a second setting voltage terminal and a second terminal of the first energy storage circuit respectively, and is configured to control to connect the second setting voltage terminal and the second terminal of the first energy storage circuit under the control of a second control signal provided by the second control terminal;
• wherein the pixel circuit further comprises a first control circuit;
• the first terminal of the first energy storage circuit is electrically connected to the first node through the first control circuit;
• the first terminal of the first energy storage circuit is directly electrically connected to a fourth node;
• the first control circuit is electrically connected to a fifth control terminal, and is configured to control to connect the first node and the fourth node under the control of a fifth control signal provided by the fifth control terminal;
• wherein the method comprises:
• controlling, by the light emitting control circuit, to connect the first voltage terminal and the first terminal of the driving circuit under the control of the light emitting control signal;
• controlling, by the driving circuit, to connect the first voltage terminal and the first electrode of the light emitting element under the control of the potential of the first node;
• controlling, by the first setting circuit, to connect the first setting voltage terminal and the first node under the control of the first control signal;
• controlling, by the second setting circuit, to connect the second setting voltage terminal and the first energy storage circuit under the control of the second control signal.

A display device comprising a pixel circuit, wherein the pixel circuit comprises a light emitting element, a driving circuit, a first energy storage circuit, a first setting circuit, a second setting circuit and a light emitting control circuit;

• wherein
• the light emitting control circuit is electrically connected to a light emitting control terminal, a first voltage terminal and a first terminal of the driving circuit respectively, and is configured to control to connect the first voltage terminal and the first terminal of the driving circuit under the control of a light emitting control signal provided by the light emitting control terminal;
• a control terminal of the driving circuit is electrically connected to a first node, and a second terminal of the driving circuit is electrically connected to a first electrode of the light emitting element, the driving circuit is configured to control to connect the first voltage terminal and the first electrode of the light emitting element under the control of a potential of the first node;
• the first electrode of the light emitting element is electrically connected to a second node;
• a second electrode of the light emitting element is electrically connected to a second voltage terminal;
• a first terminal of the first energy storage circuit is electrically connected to the first node, and a second terminal of the first energy storage circuit is electrically connected to a third node, the first energy storage circuit is configured to store electrical energy;
• the second node is electrically connected to the third node;
• the first setting circuit is electrically connected to a first control terminal, a first setting voltage terminal and the first node respectively, and is configured to control to connect the first setting voltage terminal and the first node under the control of a first control signal provided by the first control terminal;
• the second setting circuit is electrically connected to a second control terminal, a second setting voltage terminal and a second terminal of the first energy storage circuit respectively, and is configured to control to connect the second setting voltage terminal and the second terminal of the first energy storage circuit under the control of a second control signal provided by the second control terminal;
• wherein the pixel circuit further comprises a first control circuit;
• the first terminal of the first energy storage circuit is electrically connected to the first node through the first control circuit;
• the first terminal of the first energy storage circuit is directly electrically connected to a fourth node;
• the first control circuit is electrically connected to a fifth control terminal, and is configured to control to connect the first node and the fourth node under the control of a fifth control signal provided by the fifth control terminal.