Self-luminous display device and driving method of the same

摘要

A self-luminous display device includes: pixel circuits; and a drive signal generating circuit, wherein each of the pixel circuits includes a light-emitting diode, a drive transistor connected to a drive current path of the light-emitting diode, and a holding capacitor coupled to a control node of the drive transistor, and the drive signal generating circuit generates the drive signal containing a second level signal adapted to stop the light emission without reverse-biasing the light-emitting diode, a first level signal, lower than the second level signal, adapted to reverse-bias the light-emitting diode, and a third level signal, higher than the second level signal, adapted to enable the light-emitting diode to emit light, the drive signal generating circuit supplying the drive signal to the pixel circuits.

主权项

1. An electronic apparatus comprising a display panel, the display panel including pixel circuits and a drive circuit,
at least one of the pixel circuits including:
a light-emitting element having diode characteristics;a drive transistor configured to control a driving current for the light-emitting element;a capacitor coupled to a control node of the drive transistor;a switching transistor configured to sample a potential signal from a signal line to the capacitor; and the drive circuit being configured to:
set an anode electrode of the light-emitting element to a first state so as to keep the light-emitting element in a non-emission state without applying a reverse-biased potential to the anode electrode,set the anode electrode of the light-emitting element in a second state so as to keep the light-emitting element in the non-emission state by applying a first potential to the anode electrode,store a data voltage in the capacitor, the data voltage depending on characteristic information of the drive transistor and image signal information, andapply a second potential to the drive transistor so as to supply a driving current to the light-emitting element, the drive transistor controlling the driving current according to the data voltage.