Patent ID: 11881173
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A display module, comprising a display and a display driver circuit, wherein
the display comprises M rows of sub pixels arranged in a matrix form, a pixel circuit of each sub pixel comprises a data writing transistor, a compensation transistor, a driver transistor, a first reset transistor, a first capacitor, and a light-emitting component, wherein M≥2, and M is a positive integer;
for an Nth pixel circuit of the pixel circuits, a first electrode of the data writing transistor is configured to receive a data voltage output by a data voltage output port of the display driver circuit, a second electrode of the data writing transistor is coupled to a first electrode of the driver transistor, and a gate of the data writing transistor is configured to receive a gating signal N; a first electrode of the compensation transistor is coupled to a second electrode of the driver transistor and the light-emitting component, a second electrode of the compensation transistor is coupled to a gate of the driver transistor, a first end of the first capacitor, and a first electrode of the first reset transistor, and a gate of the compensation transistor is configured to receive the gating signal N; a second end of the first capacitor is coupled to a first power voltage input end; a gate of the first reset transistor can receive a gating signal N−1; and a second electrode of the first reset transistor can receive an initial voltage Vinit, wherein 2≤N≤M, and N is a positive integer;
the first electrode is a source and the second electrode is a drain, or the first electrode is a drain and the second electrode is a source, the first power voltage input end is configured to input a first power voltage, and the data voltage output port is configured to output a data voltage; and
a channel width of at least one of the first reset transistor, the compensation transistor, and the data writing transistor is less than 2 um.