Display apparatus and electronic instrument with an extinction potential and period for a light emitting device

1. A display apparatus comprising:

a plurality of pixel circuits;

drive scan lines which supply the same power supply potential to each group of the plurality of pixel circuits, the group having a plurality of pixel circuits for a plurality of successive rows; and

a power supply circuit which, during an extinction period of a current scanning field for extinguishing light-emitting devices in pixel circuits belonging to each group, supplies a high-level power supply potential to the respective pixel circuits belonging to the group related to the extinction period so as to switch the power supply potential to the high-level power supply potential higher than the power supply potential,

wherein,

(1) each of the plurality of pixel circuits includes

(a) a storage capacitor which retains a voltage corresponding to a video signal,

(b) a drive transistor which supplies a current based on the voltage retained in the storage capacitor to a corresponding light-emitting device by receiving the power supply potential supplied to the corresponding drive scan line,

(c) a light-emitting device which emits light in accordance with the current supplied from the drive transistor, and

(d) a write transistor which, during the extinction period, gives an extinction potential for extinguishing the light-emitting device to a gate terminal of the drive transistor, and then writes the voltage corresponding to the video signal to the storage capacitor,

(2) the extinction period occurs after a light emission period of a previous field and before a threshold correction preparation period of the current scanning field, and

(3) during the correction preparation period the power supply voltage is at the power supply potential.

2. The display apparatus according to claim 1 , wherein the power supply circuit supplies the high-level power supply potential after, during the extinction period, the extinction potential is given to gate terminals of drive transistors in pixel circuits of a last row to be extinguished by line-sequential scanning from among the pixel circuits belonging to the group related to the extinction period.

3. The display apparatus according to claim 1 , wherein the power supply circuit supplies the high-level power supply potential after, during the extinction period, the extinction potential is given to the gate terminal of the drive transistor of each of pixel circuits in a row before a predetermined number of rows from a last row to be extinguished by line-sequential scanning from among the pixel circuits belonging to the group related to the extinction period.

4. The display apparatus according to claim 1 , wherein the power supply circuit supplies the high-level power supply potential to the drive scan line by switching the power supply potential to the high-level power supply potential during the extinction period.

5. The display apparatus according to claim 1 , wherein the light-emitting devices are organic electroluminescence devices.

6. An electronic instrument comprising:

a plurality of pixel circuits;

drive scan lines which supply the same power supply potential to each group of the plurality of pixel circuits, the group having a plurality of pixel circuits for a plurality of successive rows; and

a power supply circuit which, during an extinction period of a current scanning field for extinguishing light-emitting devices in pixel circuits belonging to each group, supplies a high-level power supply potential to the respective pixel circuits belonging to the group related to the extinction period so as to switch the power supply potential to the high-level power supply potential higher than the power supply potential,

wherein,

(1) each of the plurality of pixel circuits includes

(a) a storage capacitor which retains a voltage corresponding to a video signal,

(b) a drive transistor which supplies a current based on the voltage retained in the storage capacitor to a corresponding light-emitting device by receiving the power supply potential supplied to the corresponding drive scan line,

(c) a light-emitting device which emits light in accordance with the current supplied from the drive transistor, and

(d) a write transistor which, during the extinction period, gives an extinction potential for extinguishing the light-emitting device to a gate terminal of the drive transistor, and then writes the voltage corresponding to the video signal to the storage capacitor,

(2) the extinction period occurs after a light emission period of a previous scanning field and before a threshold correction preparation period,

(3) during the correction preparation period the power supply voltage is at the power supply potential.