Patent ID: 9076380
Filing Date: 2015-07-07
Classification: G09G

Abstract:
1. A pixel driving circuit, comprising: a first switching device, having a first terminal coupled to a first power source voltage, a second terminal, and a control terminal coupled to a first scan signal line; a second switching device, having a first terminal coupled to the second terminal of the first switching device, a second terminal directly coupled to a first node and an emitting device, and a control terminal directly coupled to a second node; a third switching device, having a first terminal coupled between the first terminal of the second switching device and the second terminal of the first switching device, a second terminal coupled directly to the second node, and a control terminal coupled to a second scan signal line; a fourth switching device, having a first terminal coupled to a data signal line, a second terminal directly coupled to the first node, and a control terminal coupled to a third scan signal line; a first capacitor, having a first terminal directly coupled to the first node and a second terminal directly coupled to a third node; a second capacitor, having a first terminal directly coupled to the third node and a second terminal directly coupled to the second node; and a fifth switching device, having a first terminal directly coupled to the third node, a second terminal coupled to a second power source voltage, and a control terminal coupled to the third scan signal line.