Patent ID: 8446401

Claim:
A display apparatus comprising: a plurality of light emitting units; a plurality of scan lines; a plurality of data lines; a driving circuit provided for each of said light emitting units including a first transistor, a second transistor, a capacitor, a first switch circuit and a second switch circuit; and a first power-supply line, which supplies either a first voltage or a second voltage, and a second power-supply line, which supplies a third voltage, wherein in each of said light emitting units: a light emitting device of the light emitting unit is connected to the second power-supply line, a first current terminal of said first transistor is connected to one of said data lines, a gate electrode of said first transistor is connected to one of said scan lines, a first current terminal of said second transistor is connected to a second current terminal of said first transistor through a first node, a first terminal of said capacitor is connected to said second power-supply line, a second terminal of said capacitor is connected to a gate electrode of said second transistor through a second node, a first terminal of said first switch circuit is connected to said second node, a second terminal of said first switch circuit is connected to a second current terminal of said second transistor, and said second switch circuit is connected between said second node and said first power-supply line.