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

Claim 7:
8. The pixel driving circuit according to claim 7, wherein the driving signal control unit includes: a current data writing subunit, a compensation subunit, a first driving subunit, a light-emitting control subunit and an initialization subunit; wherein
the current data writing subunit is electrically connected to the current scanning signal terminal, the current data signal terminal and the first driving subunit, and is configured to write the current data signal into the first driving subunit in response to the current scanning signal;
the compensation subunit is electrically connected to the current scanning signal terminal and the first driving subunit, and is configured to compensate the first driving subunit for a threshold voltage in response to the current scanning signal;
the first driving subunit is electrically connected to a third voltage terminal and the light-emitting control subunit, and is configured to generate and output the driving signal according to the written current data signal and a third voltage signal received at the third voltage terminal;
the light-emitting control subunit is electrically connected to the light-emitting control signal terminal, the third voltage terminal, the first driving subunit and the light-emitting time control unit, and is configured to transmit the driving signal output by the first driving subunit to the light-emitting time control unit according to the third voltage signal and in response to the light-emitting control signal;
the initialization subunit is electrically connected to a reset signal terminal, an initialization voltage terminal and the first driving subunit, and is configured to transmit an initialization voltage signal received at the initialization voltage terminal to the first driving subunit in response to a reset signal received at the reset signal terminal, so as to initialize the first driving subunit;
the light-emitting time control unit includes a time data writing subunit and a second driving subunit; wherein
the time data writing subunit is electrically connected to the time scanning signal terminal, the time data signal terminal and the second driving subunit, and is configured to write the time data signal into the second driving subunit in response to the time scanning signal; and
the second driving subunit is electrically connected to a common voltage terminal, the driving signal control unit and the element to be driven, and is configured to transmit the driving signal to the element to be driven according to the written time data signal and a common voltage signal received at the common voltage terminal.