PIXEL CIRCUIT AND DRIVING METHOD THEREFOR, DISPLAY PANEL AND DISPLAY APPARATUS

摘要

A pixel circuit and a driving method therefor, a display panel and a display apparatus. The pixel circuit comprises: a first charging module (1), a storage capacitor, a second charging module (2), a reset module (3), a driving transistor, a light-emitting control module (4) and a light-emitting device (5), wherein the first charging module (1) and the second charging module (2) are respectively connected to two ends of the storage capacitor for charging the two ends of the storage capacitor; the reset module (3) is connected to the two ends of the storage capacitor for resetting the voltages of the two ends of the storage capacitor to their respective initial voltages; a control electrode of the driving transistor is connected to one end, of the storage capacitor, connected to the second charging module (2), a first electrode thereof is connected to a high voltage end, and a second electrode thereof is connected to the second charging module (2) for driving the light-emitting device (5) to emit light; and the light-emitting control module (4) is connected between the driving transistor and the light-emitting device (5) for enabling the connection between the driving transistor and the light-emitting device (5) to be switched on or switched off. The above-mentioned pixel circuit can keep the brightness of the light-emitting device (5) stable in a display process, so as to improve the display effect.