Patent ID: 11893934
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. The pixel driving circuit according to claim 8, wherein
the current data writing subunit includes an eighth transistor; a control electrode of the eighth transistor is electrically connected to the current scanning signal terminal, a first electrode of the eighth transistor is electrically connected to the current data signal terminal, and a second electrode of the eighth transistor is electrically connected to the first driving subunit;
the compensation subunit includes a ninth transistor; a control electrode of the ninth transistor is electrically connected to the current scanning signal terminal, and both a first electrode and a second electrode of the ninth transistor are electrically connected to the first driving subunit;
the first driving subunit includes a driving transistor and a first capacitor; a control electrode of the driving transistor is electrically connected to a second terminal of the first capacitor, a first electrode of the driving transistor is electrically connected to the current data writing subunit and the light-emitting control subunit, and a second electrode of the driving transistor is electrically connected to the compensation subunit and the light-emitting control subunit; a first terminal of the first capacitor is electrically connected to the third voltage terminal, and the second terminal of the first capacitor is electrically connected to the compensation subunit;
the light-emitting control subunit includes a tenth transistor and an eleventh transistor; a control electrode of the tenth transistor is electrically connected to the light-emitting control signal terminal, a first electrode of the tenth transistor is electrically connected to the third voltage terminal, and a second electrode of the tenth transistor is electrically connected to the first driving subunit; a control electrode of the eleventh transistor is electrically connected to the light-emitting control signal terminal, a first electrode of the eleventh transistor is electrically connected to the first driving subunit, and a second electrode of the eleventh transistor is electrically connected to the light-emitting time control unit;
the initialization subunit includes a twelfth transistor; a control electrode of the twelfth transistor is electrically connected to the reset signal terminal, a first electrode of the twelfth transistor is electrically connected to the initialization voltage terminal, and a second electrode of the twelfth transistor is electrically connected to the first driving subunit;
the time data writing subunit includes a thirteenth transistor; a control electrode of the thirteenth transistor is electrically connected to the time scanning signal terminal, a first electrode of the thirteenth transistor is electrically connected to the time data signal terminal, and a second electrode of the thirteenth transistor is electrically connected to the time data writing subunit; and
the second driving subunit includes a fourteenth transistor and a second capacitor; a control electrode of the fourteenth transistor is electrically connected to a first terminal of the second capacitor, a first electrode of the fourteenth transistor is electrically connected to the light-emitting control subunit, and a second electrode of the fourteenth transistor is electrically connected to the element to be driven; the first terminal of the second capacitor is electrically connected to the time data writing subunit, and a second terminal of the second capacitor is electrically connected to the common voltage terminal.