Pixel driving circuit and method for driving the same, and display substrate

A method for driving a pixel driving circuit, the pixel driving circuit comprising:

• a data writing circuit electrically connected to a first scanning signal terminal, a data signal terminal and a first node, the data writing circuit being configured to transmit a data signal received at the data signal terminal to the first node in response to a first scanning signal received at the first scanning signal terminal;
• a light-emitting control circuit electrically connected to the first node, an enable signal terminal, a first voltage signal terminal and a second node, the light-emitting control circuit being configured to transmit a first voltage signal received at the first voltage signal terminal to the second node under control of a voltage of the first node and an enable signal transmitted by the enable signal terminal;
• a first reset compensation circuit, and
• a light-emitting diode chip electrically connected to the second node and a second voltage signal terminal, wherein
• the light-emitting diode chip includes a plurality of light-emitting portions;
• the plurality of light-emitting portions include at least one first light-emitting portion and at least one second light-emitting portion;
• a first bonding electrode of a first light-emitting portion in the at least one first light-emitting portion is electrically connected to the second node, and a second bonding electrode of the first light-emitting portion is electrically connected to the second voltage signal terminal;
• a first bonding electrode of a second light-emitting portion in the at least one second light-emitting portion is electrically connected to the second voltage signal terminal, and a second bonding electrode of the second light-emitting portion is electrically connected to the second node;
• the light-emitting diode chip is configured to, with cooperation of the first voltage signal from the second node and a second voltage signal received at the second voltage signal terminal, drive the plurality of light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions in the plurality of light-emitting portions to emit light in a same period of time;
• wherein the light-emitting control circuit includes a first transistor and a second transistor;
• a control electrode of the first transistor is electrically connected to the enable signal terminal, a first electrode of the first transistor is electrically connected to the first voltage signal terminal, and a second electrode of the first, transistor is electrically connected to a third node;
• a control electrode of the second transistor is electrically connected to the first node, a first electrode of the second transistor is electrically connected to the third node, and a second electrode of the second transistor is electrically connected to the second node;
• wherein the first reset compensation circuit is electrically connected to the first scanning signal terminal, a second scanning signal terminal, the first node, the second node, the third node and the second voltage signal terminal;
• and the first reset compensation circuit is configured to, under control of the first scanning signal and a second scanning signal received at the second scanning signal terminal, reset the pixel driving circuit and compensate for a threshold voltage of the second transistor;
• the first reset compensation circuit includes a third transistor, a fourth transistor, a fifth transistor, a sixth transistor and a first capacitor;
• a control electrode of the third transistor is electrically connected to the first scanning signal terminal, a first electrode of the third transistor is electrically connected to the second voltage signal terminal, and a second electrode of the third transistor is electrically connected to a fourth node;
• a control electrode of the fourth transistor is electrically connected to the second scanning signal terminal, a first electrode of the fourth transistor is electrically connected to the third node, and a second electrode of the fourth transistor is electrically connected to a fifth node;
• a control electrode of the fifth transistor is electrically connected to the second scanning signal terminal, a first electrode of the fifth transistor is electrically connected to the second node, and a second electrode of the fifth transistor is electrically connected to the fifth node;
• a control electrode of the sixth transistor is electrically connected to the first scanning signal terminal, a first electrode of the sixth transistor is electrically connected to the fourth node, and a second electrode of the sixth transistor is electrically connected to the first node;
• and
• a first terminal of the first capacitor is electrically connected to the fourth node, and a second terminal of the first capacitor is electrically connected to the fifth node;
• wherein the method comprises a data writing phase and a light-emitting phase,
• wherein in the data writing phase, in response to the first scanning signal received at the first scanning signal terminal, the data writing circuit is turned on to transmit the data signal received at the data signal terminal to the first node;
• in the light-emitting phase, under the control of the voltage of the first node and the enable signal received at the enable signal terminal, the light-emitting control circuit is turned on to transmit the first voltage signal received at the first voltage signal terminal to the second node;
• and
• with the cooperation of the first voltage signal from the second node and the second voltage signal received at the second voltage signal terminal, the plurality of light-emitting portions in the light-emitting diode chip emit light in the different periods of time, or the at least two light-emitting portions emit light in the same period of time.