Display substrate with pixel circuit containing multiple light-emitting elements, method for driving display substrate, and display device

A display substrate, comprising:

• a base substrate;
• a plurality of pixel units on the base substrate;
• and
• a plurality of pixel circuits on the base substrate,
• wherein the plurality of pixel units are arranged in a plurality of rows and columns, and the plurality of pixel units are divided into a plurality of groups, each group of pixel units comprises at least two pixel units, and each pixel unit comprises a light-emitting element;
• each pixel circuit is configured to drive a corresponding group of pixel units, and each pixel circuit comprises a driving circuit, a data writing circuit, a storage circuit, a sensing circuit, and a light-emitting control circuit;
• the driving circuit is connected to the data writing circuit, the storage circuit, the sensing circuit, and the light-emitting control circuit, respectively, and is configured to control a value of a driving current;
• the data writing circuit is configured to write a data signal into the driving circuit in response to a first scanning signal;
• the storage circuit is configured to store the data signal written by the data writing circuit;
• the sensing circuit is configured to connect the driving circuit to a sensing signal line in response to a second scanning signal;
• the light-emitting control circuit is connected to the driving circuit and is respectively connected to at least two light-emitting elements of at least two pixel units of a corresponding group of pixel units, and the light-emitting control circuit is configured to apply the driving current to light-emitting elements of respective pixel units of the corresponding group of pixel units at different times in response to at least two light-emitting control signals;
• and
• the light-emitting element is configured to emit light according to the driving current that is received;
• the driving circuit comprises a control terminal, a first terminal, and a second terminal, and the first terminal of the driving circuit receives a first voltage of a first voltage terminal;
• the data writing circuit is connected to the control terminal of the driving circuit, a first terminal of the storage circuit is connected to the control terminal of the driving circuit, a second terminal of the storage circuit is connected to the first terminal of the driving circuit, the sensing circuit is connected to the second terminal of the driving circuit, and the light-emitting control circuit is connected to the second terminal of the driving circuit;
• the data writing circuit comprises a first transistor, the sensing circuit comprises a second transistor, the driving circuit comprises a third transistor, and the storage circuit comprises a storage capacitor;
• a gate electrode of the third transistor serves as the control terminal of the driving circuit, a first electrode of the third transistor serves as the first terminal of the driving circuit, and a second electrode of the third transistor serves as the second terminal of the driving circuit;
• a gate electrode of the first transistor is connected to a first scanning line to receive the first scanning signal, a first electrode of the first transistor is connected to a data line to receive the data signal, and a second electrode of the first transistor is connected to the gate electrode of the third transistor;
• a gate electrode of the second transistor is connected to a second scanning line to receive the second scanning signal, a first electrode of the second transistor is connected to the second electrode of the third transistor, and a second electrode of the second transistor is connected to the sensing signal line;
• a first electrode of the storage capacitor serves as the first terminal of the storage circuit, and a second electrode of the storage capacitor serves as the second terminal of the storage circuit;
• the storage capacitor comprises two capacitor plates which are stacked, one of the two capacitor plates serves as the first electrode of the storage capacitor and the other of the two capacitor plates serves as the second electrode of the storage capacitor;
• and
• an orthographic projection of at least one of the two capacitor plates on the base substrate at least partially covers an orthographic projection of the first transistor on the base substrate, and at least partially covers an orthographic projection of the second transistor on the base substrate.