Display device and electronic device having the same

A display device, comprising:

• a pixel including a light-emitting element;
• and
• a sensor,
• wherein the sensor includes:
• a light-receiving element;
• a first sensor transistor;
• a second sensor transistor connected between a reset power line and a gate electrode of the first sensor transistor,
• wherein the second sensor transistor includes a gate electrode connected to a reset control line;
• a third sensor transistor connected between the first sensor transistor and a readout line,
• wherein the third sensor transistor includes a gate electrode connected to a first scan line;
• and
• a fourth sensor transistor connected between the gate electrode of the first sensor transistor and an anode electrode of the light-receiving element,
• wherein the fourth sensor transistor includes a gate electrode connected to a gate line,
• wherein a first scan signal provided to the first scan line and a gate signal provided to the gate line have a same waveform.

An electronic device, comprising:

• a display device configured to display an image, based on input image data;
• and
• a processor configured to provide the input image data to the display device,
• wherein the display device includes:
• a pixel including a light-emitting element;
• and
• a sensor,
• wherein the sensor includes:
• a light-receiving element;
• a first sensor transistor;
• a second sensor transistor connected between a reset power line and a gate electrode of the first sensor transistor,
• wherein the second sensor transistor includes a gate electrode connected to a reset control line;
• a third sensor transistor connected between the first sensor transistor and a readout line,
• wherein the third sensor transistor includes a gate electrode connected to a first scan line;
• and
• a fourth sensor transistor connected between the gate electrode of the first sensor transistor and an anode electrode of the light-receiving element,
• wherein the fourth sensor transistor includes a gate electrode connected to a gate line,
• wherein the first scan line and the gate line are connected to each other.