Patent ID: 9030388
Filing Date: 2015-05-12
Classification: G09G,H01L,H05B

Abstract:
1. A pixel circuit comprising: a light-emitting device, a driving transistor, a storage capacitor, a first switching transistor, a second switching transistor, a compensating transistor and a fifth switching transistor, wherein each of the driving transistor, the first switching transistor, the second switching transistor, the compensating transistor and the fifth switching transistor comprises a gate, a first electrode and a second electrode; one terminal of the light-emitting device is connected to a power supply; the first electrode of the driving transistor is connected to another terminal of the light-emitting device, the second electrode of the driving transistor is connected to the first electrode of the fifth switching transistor, and the gate of the driving transistor is connected to the first electrode of the first switching transistor; the second electrode of the first switching transistor is connected to a data line, the gate of the first switching transistor is connected to a scan line, and the first electrode of the first switching transistor is connected to the gate of the driving transistor; the gate of the second switching transistor is connected to a control line, the first electrode of the second switching transistor is connected to the power supply, and the second electrode of the second switching transistor is connected to the second electrode of the compensating transistor; the first electrode of the compensating transistor is connected to the first electrode of the driving transistor, the second electrode of the compensating transistor is connected to the second electrode of the second switching transistor, and the gate of the compensating transistor is connected to the first or second electrode of the compensating transistor; the gate of the fifth switching transistor is connected to the control line, the first electrode of the fifth switching transistor is connected to the second electrode of the driving transistor, and the second electrode of the fifth switching transistor is connected to ground; and a first plate of the storage capacitor is connected to the gate of the driving transistor, and a second plate of the storage capacitor is connected to the second electrode of the compensating transistor.