Patent ID: 8773332
Filing Date: 2014-07-08
Classification: G09G

Abstract:
1. A driving circuit for pixels of an active matrix organic light-emitting diode display, the driving circuit comprising: a first switch having a first terminal, a second terminal, and a third terminal, the first terminal for receiving a reference voltage or a data voltage, the second terminal for receiving a first switch signal; a second switch having a first terminal, a second terminal, and a third terminal, the first terminal for receiving a reset voltage, the second terminal for receiving a second switch signal; a third switch having a first terminal, a second terminal, and a third terminal, the first terminal for receiving a first voltage, the second terminal for receiving a third switch signal; an N-type thin film transistor having a first terminal, a second terminal, and a third terminal, the first terminal coupled to the third terminal of the third switch, the second terminal coupled to the third terminal of the first switch, the third terminal coupled to the third terminal of the second switch; a first capacitor having a first terminal, and a second terminal, the first terminal coupled to the third terminal of the first switch, the second terminal coupled to the third terminal of the second switch; a second capacitor having a first terminal, and a second terminal, the first terminal coupled to the third terminal of the third switch, the second terminal coupled to the third terminal of the N-type thin film transistor; and an organic light-emitting diode having a first terminal, and a second terminal, the first terminal directly coupled to the third terminal of the N-type thin film transistor, the third terminal of the second switch and the second terminal of the first capacitor, the second terminal coupled to a second voltage; wherein when the second switch is turned off, the third switches is turned on during a plurality of time intervals.