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

Claim 15:
16. A driving method of a display panel with a narrow frame width, wherein the driving method is applied to the display panel of claim 1, and the method comprises: in an 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 gate driving 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 gate driving signal output from output terminal of the first gate driving unit at the subsequent 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 a data writing stage, turning on the data writing module under the control of a gate driving signal output from the output terminal of the second gate driving unit at the current stage and writing the data voltage signal into the control terminal of the driving transistor; at the same time, turning on the transistor in the threshold compensation module under the control of the gate driving signal output from the output terminal of the first gate driving unit at the current stage, 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 a light-emitting phase, turning on the transistor in the first light-emitting control unit under the control of the gate driving 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 gate driving signal output from the output terminal of the first gate driving unit at the subsequent stage, and controlling the driving current generated by the driving transistor to flow into the light-emitting component;
wherein the transistor in the threshold compensation module is turned on in response to that the gate driving signal output from the output terminal of the first gate driving unit at the current stage is at a first level, and the transistor in the first light-emitting control unit is turned on in response to that the gate driving signal output from the output terminal of the first gate driving unit at the current stage is at a second level, and the first level and the second level are different.