Patent ID: 11881158
Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A display panel, comprising:
a light-emitting element; and
a pixel drive circuit electrically connected to the light-emitting element,
wherein the pixel drive circuit comprises a drive transistor and a first reset module, the first reset module is connected to a first node and configured to provide a first reset voltage to the first node, and the light-emitting element is connected to the first node, and wherein the first reset module comprises a first reset transistor, a gate of the first reset transistor is electrically connected to a strobe scan signal control terminal, a first electrode of the first reset transistor is connected to the first node, and a second electrode of the first reset transistor is electrically connected to a first reset voltage terminal;
wherein a working mode of the display panel comprises a first drive mode, a display frame in the first drive mode comprises a valid frame and an invalid frame, and in the first drive mode, a first reset voltage for the valid frame is different from a first reset voltage for the invalid frame; and
wherein the display panel further comprises:
a second reset module, wherein the second reset module comprises: a second reset transistor, a gate of the second reset transistor is electrically connected to a first scan signal control terminal, a first electrode of the second reset transistor is connected to a second node, a gate of the drive transistor is connected to the second node, and a second electrode of the second reset transistor is electrically connected to a second reset voltage terminal;
a data write transistor, wherein a gate of the data write transistor is electrically connected to the strobe scan signal control terminal, a first electrode of the data write transistor is connected to a third node, a first electrode of the drive transistor is connected to the third nod, and a second electrode of the data write transistor is electrically connected to a data voltage terminal;
a power write transistor, wherein a gate of the power write transistor is electrically connected to a light-emitting signal control terminal, a first electrode of the power write transistor is connected to the third node, and a second electrode of the power write transistor is electrically connected to a first power terminal;
a light-emitting control transistor, wherein a gate of the light-emitting control transistor is electrically connected to the light-emitting signal control terminal, a first electrode of the light-emitting control transistor is electrically connected to a second electrode of the drive transistor, and a second electrode of the light-emitting control transistor is electrically connected to the first node; and
a compensation transistor, wherein a gate of the compensation transistor is electrically connected to a second scan signal control terminal, a first electrode of the compensation transistor is connected to the second node, and a second electrode of the compensation transistor is electrically connected to the second electrode of the drive transistor.