(EN) The embodiment of the invention provides a pixel driving circuit, a driving method and a display device, relates to the technical field of display, and can solve the problem of low OLED brightness caused by voltage loss in the prior art. The pixel driving circuit comprises a driving transistor and a light emitting diode, also comprises a boosted circuit connected with the second node; the anode ofthe light-emitting diode is connected with the boosted circuit through a third node; the boosted circuit comprises a capacitor module and a switch module. The switch module is connected with a firstelectrode, a second electrode and a third voltage end in the capacitor module; the switch module is used for controlling the conduction of the first electrode and the second node of the capacitor module and the conduction of the second electrode and the third voltage end of the capacitor module so as to charge the capacitor module; and the control module is also used for controlling the conductionof the first electrode and the third node of the capacitor module and the conduction of the second electrode and the second node of the capacitor module so as to amplify the voltage of the first electrode of the charged capacitor module and output the amplified voltage to the third node.
(ZH) 本发明实施例提供一种像素驱动电路及驱动方法、显示装置，涉及显示技术领域，能够解决现有技术中因电压损失导致的OLED亮度低的问题；该像素驱动电路，包括驱动晶体管、发光二极管；还包括：与第二节点连接的升压电路；发光二极管的阳极通过第三节点与升压电路连接；升压电路包括：电容模块和开关模块；开关模块与电容模块中的第一电极和第二电极、以及第三电压端连接；开关模块用于控制电容模块的第一电极与第二节点以及电容模块的第二电极与第三电压端导通，以对电容模块进行充电；还用于控制电容模块的第一电极与第三节点以及电容模块的第二电极与第二节点导通，以将充电后的电容模块的第一电极的电压放大后输出至第三节点。
