A display apparatus includes: a first substrate; a scan line extending in a first direction; a data line that extends in a second direction; a sensing line that extends in the second direction; a switching transistor electrically connected to the scan and the data lines; a driving transistor electrically connected to the switching transistor; a sensing transistor electrically connected to the driving transistor and electrically connected to the sensing line; a first insulating layer between the first substrate and a sensing semiconductor layer of the sensing transistor; a via insulating layer provided on the switching transistor, the driving transistor, and the sensing transistors; and a light-emitting diode including a first electrode, an emission layer, and a second electrode, the first electrode provided on the via insulating layer, wherein the sensing line is below the first insulating layer and overlaps the first electrode of the light-emitting diode.