Patent ID: 11908394
Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 17:
18. The driving method of claim 16, wherein the transistor in the threshold compensation module is the N-type transistor, the data writing module comprises a transistor, and each of the transistor in the data writing module, the transistor in the first light-emitting control unit, the transistor in the second light-emitting control unit, and the transistor in the first initialization module is the P-type transistor;
in the initialization phase, turning on the transistor in the first initialization module, at the same time, turning on the transistor in the threshold compensation module under the control of a logic high-level signal output from the output terminal of the first gate driving unit at the current stage, turning on the transistor in the second light-emitting control unit under the control of a logic low-level signal output from the output terminal of the first gate driving unit at the subsequent stage, turning off the transistor in the data writing module under the control of a logic high-level signal output from the output terminal of the second gate driving unit at the current stage, turning off the transistor in the first light-emitting control unit under the control of the logic high-level signal output from the output terminal of the first gate driving unit at the current stage, and the transistor in the first initialization module provides the initialization voltage signal for the control terminal of the driving transistor through the transistor in the threshold compensation module and provides the initialization voltage signal for the anode of the light-emitting component through the transistor in the second light-emitting control unit;
in the data writing stage, turning on the transistor in the data writing module under the control of a logic low-level signal output from the output terminal of the second gate driving unit at the current stage, at the same time, turning on the transistor in the threshold compensation module under the control of the logic high-level signal output from the output terminal of the first gate driving unit at the current stage, turning off the transistor in the first initialization module, turning off the transistor in the first light-emitting control unit under the control of the logic high-level signal output from the output terminal of the first gate driving unit at the current stage, turning off the transistor in the second light-emitting control unit under the control of a logic high-level signal output from output terminal of the first gate driving unit at the subsequent stage, writing the data voltage signal into the control terminal of the driving transistor through the transistor in the data writing module, the driving transistor and the transistor in the threshold compensation module, and driving the control terminal of the transistor in the threshold compensation module to detect and self-compensate the threshold voltage deviation of the driving transistor; and
in the light-emitting phase, turning on the transistor in the first light-emitting control unit under the control of a logic low-level signal output from the output terminal of the first gate driving unit at the current stage, turning on the transistor in the second light-emitting control unit under the control of the logic low-level signal output from output terminal of the first gate driving unit at the subsequent stage, turning off the transistor in the first initialization module, turning off the transistor in the data writing module under the control of the logic high-level signal output from the output terminal of the second gate driving unit at the current stage, turning off the transistor in the threshold compensation module under the control of the logic low-level signal output from the output terminal of the first gate driving unit at the current stage, controlling a power signal generated by the first power signal terminal to flow into the first terminal of the driving transistor through the transistor in the first light-emitting control unit, and controlling the driving current generated by the driving transistor to flow into the light-emitting component through the transistor in the second light-emitting control unit.