Patent ID: 11881174
Assignee: HKC CORPORATION LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 14:
15. The OLED display device according to claim 9, wherein the sub-drive circuit comprises a fourth switching transistor, a fourth scanning line, a driving TFT and a capacitor, wherein a gate electrode of the fourth switching transistor is electrically connected to the fourth scanning line, a source electrode of the fourth switching transistor is electrically connected to an output of the data line, and a drain electrode of the fourth switching transistor is electrically connected to a gate electrode of the driving TFT; a source electrode of the driving TFT is electrically connected to a power source, a drain electrode of the driving TFT is configured to output the driving voltage, and two ends of the capacitor are electrically connected to the gate electrode and the source electrode of the driving TFT, respectively.