Patent ID: 9424780
Filing Date: 2016-08-23
CPC Classification: G09G

Claim Text:
1. A pixel circuit comprises: a light-emitting device having a first terminal connected to a first voltage signal terminal; a driving transistor for driving the light-emitting device; a first switch transistor having a source connected to a data signal terminal, and a gate connected to a first control signal terminal; a first capacitor having a first terminal connected to a drain of the first switch transistor; a second capacitor having a first terminal connected to a second voltage signal terminal, and a second terminal connected to a second terminal of the first capacitor; a third capacitor having a first terminal connected to the first control signal terminal, and a second terminal connected to a gate of the driving transistor, the second terminal of the first capacitor and the second terminal of the second capacitor; a second switch transistor having a source connected to the gate of the driving transistor, a drain connected to a drain of the driving transistor, and a gate connected to the first control signal terminal; a third switch transistor having a source connected to the gate of the driving transistor, the second terminal of the first capacitor, the second terminal of the second capacitor and the second terminal of the third capacitor, a drain connected to a second control signal terminal, and a gate connected to a third control signal terminal; a fourth switch transistor having a source connected to the drain of the driving transistor, a drain connected to a second terminal of the light-emitting device, and a gate connected to a fourth control signal terminal; a fifth switch transistor having a source connected to the second voltage signal terminal, a drain connected to a source of the driving transistor, and a gate connected to the fourth control signal terminal; and a sixth switch transistor having a gate connected to the first control signal terminal, a source connected to the second terminal of the second capacitor, and a drain connected to the drain of the fifth switch transistor and the source of the driving transistor.