Self-luminous display device and driving method of the same including a light emission interruption period during a light emission enabled period

1. A self-luminous display device comprising:

pixel circuits; and

a drive circuit, wherein

each of the pixel circuits includes

a light-emitting diode,

a drive transistor connected to a drive current channel of the light-emitting diode, and

a holding capacitor coupled to a control node of the drive transistor,

the drive circuit is configured to apply a light emission enabling bias to the light-emitting diode after correcting the drive transistor and writing a data voltage to the holding capacitor,

the drive circuit is configured to provide, during a light emission enabled period in which the light emission enabling bias is applied, a light emission interruption period adapted to change the light emission enabling bias to a non-light emission bias with the data voltage held by the holding capacitor, and

the drive circuit is configured to provide a light emission disabled period, by causing a reverse-bias of the light-emitting diode to stop light emission, for a constant period after the light emission enabled period.

2. The self-luminous display device of claim 1 , wherein

the data voltage held by the holding capacitor is initialized during a light emission disabled period in which the light emission disabling process is performed.

3. The self-luminous display device of claim 1 , wherein

correcting the drive transistor comprises a mobility correction, and the mobility correction is performed together with the writing of the data voltage to the control node.

4. The self-luminous display device of claim 1 , wherein

a period of time from the beginning of the correction of the drive transistor to the end of the light emission disabled period is a constant screen display period, and

the drive circuit controls the length of the light emission enabled period during which the light-emitting diode actually emits light by changing the length of the light emission interruption period.

5. The self-luminous display device of claim 1 , wherein

the drive circuit is configured to stop the light emission of the light-emitting diode by reverse-biasing the same diode during the light emission interruption period and light emission disabled period in which the light emission disabling process is performed.

6. The self-luminous display device of claim 1 , wherein

the drive circuit is configured to perform a false light emission, in which light cannot substantially be emitted although the light emission enabling bias is applied to the light-emitting diode, for a predetermined period at the beginning of the light emission enabled period, and

the drive circuit is configured to change the light emission enabling bias to the non-light emission bias when the light emission interruption period begins after the false light emission and changes the non-light emission bias back to the light emission enabling bias after elapse of a predetermined period.

7. The self-luminous display device of claim 1 , wherein

the drive circuit is configured to perform a false light emission, in which light cannot substantially be emitted although the light emission enabling bias is applied to the light-emitting diode, for a predetermined period at the end of the light emission enabled period, and

the drive circuit is configured to change the light emission enabling bias to the non-light emission bias and initializes the held voltage when the light emission disabling process begins after the false light emission.

8. The self-luminous display device of claim 1 , wherein

the drive circuit is configured to repeat a light emission enabled period, long enough for the light-emitting diode to be able to actually emit light, and the light emission interruption period a predetermined number of times during the light emission enabled period.

9. A driving method of a self-luminous display device, the self-luminous display device including

pixel circuits, each of the pixel circuits including a light-emitting diode,

a drive transistor connected to a drive current channel of the light-emitting diode, and a holding capacitor coupled to a control node of the drive transistor, the driving method comprising the steps of:

stopping a light emission of the light-emitting diode by reverse-biasing the light-emitting diode for a constant period;

correcting the driving transistor and writing a data voltage to the holding capacitor;

applying a light emission enabling bias to the light-emitting diode according to the written data voltage during a light emission enabled period; and

temporarily changing the light emission enabling bias to a non-light emission bias with the data voltage held by the holding capacitor during the light emission enabled period.

10. The driving method of a self-luminous display device of claim 9 , wherein

said stopping the light emission comprises preventing the light emission of the light-emitting diode by reverse-biasing the light-emitting diode and initializing the voltage held by the holding capacitor.

11. The driving method of a self-luminous display device of claim 9 , further comprising:

controlling a light emission interruption period after said temporarily changing the light emission enabling bias to the non-light emission bias, and recovering the light emission enabling bias, during the light emission enabled period, and

providing a constant screen display period.