Display panel, driving method thereof, and display device

Abstract

This invention discloses a display panel, its driving method, and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a light-emitting control module, a driving module, and a compensation module. The light-emitting control module includes a first light-emitting control module, which selectively provides a first power signal to the driving module. The driving module provides a driving current to the light-emitting element and includes a driving transistor. The compensation module compensates for the threshold voltage of the driving transistor. The operation of the pixel circuit includes a light-emitting stage and a biasing stage. In the biasing stage, the first light-emitting control module and the driving module are turned on, and the compensation module is turned off. The driving transistor is disconnected from the light-emitting element, and the first power signal is written from the source of the driving transistor to its drain to adjust the bias state of the driving transistor. This invention reduces the threshold voltage drift of the driving transistor.

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