Display panel and display apparatus including the same

A display apparatus, comprising:

• a substrate that includes a display area and a sensor area, wherein the display area includes a main pixel and the sensor area includes an auxiliary pixel,
• wherein the main pixel includes a plurality of thin film transistors, and the plurality of thin film transistors each include Low Temperature Poly-Silicon (LTPS),
• wherein the auxiliary pixel comprises:
• a pixel electrode;
• a first auxiliary thin film transistor that drives the auxiliary pixel;
• a third auxiliary thin film transistor that diode-connects the first auxiliary thin film transistor;
• a fourth auxiliary thin film transistor that initializes a voltage of a gate electrode of the first auxiliary thin film transistor,
• a second auxiliary thin film transistor that transmits a data signal to the first auxiliary thin film transistor;
• and
• a seventh auxiliary thin film transistor that that turns on and initializes the pixel electrode,
• wherein the first auxiliary thin film transistor, third auxiliary thin film transistor and the fourth auxiliary thin film transistor each include a semiconductor layer that includes Low Temperature Poly-Silicon (LTPS) and a gate electrode that overlaps the semiconductor layer, and
• the second auxiliary thin film transistor and the seventh semiconductor layer each include an oxide semiconductor layer and a gate electrode that overlaps the oxide semiconductor layer.