Patent ID: 7212195

Claim:
A display apparatus comprising: a plurality of pixel circuits arranged in a row direction and a column direction, each including a current-driven display element and a current-drive transistor for passing a current according to a current signal through the current-driven display element; a current signal line provided along a column of the pixel circuit for sequentially supplying the current signal to each of the pixel circuits in the column; wiring provided along the column of the pixel circuit for supplying a voltage to a gate electrode of the current-drive transistor of the pixel circuit to which the current signal is supplied through the current signal line; and a voltage buffer provided between the current signal line and the wiring for feeding back a voltage of the current signal line to a voltage of the wiring, wherein the voltage buffer includes a source-follower circuit to which the voltage of the current signal line is input and from which the voltage applied to the gate electrode of the current-driven transistor is output on the wiring.