Display device

A display device comprising a plurality of pixels, wherein each pixel comprises:

• a first transistor comprising a first electrode, a second electrode, and a gate electrode;
• a second transistor comprising a first electrode connected to a data line, a second electrode connected to the first electrode of the first transistor, and a gate electrode connected to a first scan line;
• a third transistor comprising a first electrode connected to the second electrode of the first transistor, a second electrode connected to the gate electrode of the first transistor, and a gate electrode connected to the first scan line;
• and
• a fourth transistor comprising a first electrode connected to the gate electrode of the first transistor, a second electrode connected to an initialization voltage line, and a gate electrode connected to a second scan line,
• wherein a first scan signal having a turn-on level is applied at least once to the first scan line in each first image frame period of a first driving mode including a plurality of first image frames,
• wherein the first scan signal having a turn-off level is maintained in the first scan line in each second image frame period of a second driving mode including a plurality of second image frames,
• wherein, in the first image frame period, an initialization voltage is maintained in the initialization voltage line, and a data voltage is applied to the data line,
• wherein the data voltage is applied to the initialization voltage line during at least a portion of the second image frame period, and
• wherein, in a sensing mode, a reference voltage is applied to the data line,
• a second scan signal having the turn-on level is applied to the second scan line during a first period,
• the first scan signal having the turn-on level is applied to the first scan line during a second period after the first period, and
• the second scan signal having the turn-on level is applied to the second scan line during a third period after the second period.

A display device comprising a plurality of pixels, wherein each pixel comprises:

• a first transistor comprising a first electrode, a second electrode, and a gate electrode;
• a second transistor comprising a first electrode connected to a data line, a second electrode connected to the first electrode of the first transistor, and a gate electrode connected to a first scan line;
• a third transistor comprising a first electrode connected to the second electrode of the first transistor, a second electrode connected to the gate electrode of the first transistor, and a gate electrode connected to the first scan line;
• and
• a fourth transistor comprising a first electrode connected to the gate electrode of the first transistor, a second electrode connected to an initialization voltage line, and a gate electrode connected to a second scan line,
• wherein a first scan signal having a turn-on level is applied at least once to the first scan line in each first image frame period of a first driving mode including a plurality of first image frames,
• wherein the first scan signal having a turn-off level is maintained in the first scan line in each second image frame period of a second driving mode including a plurality of second image frames, and
• wherein a first image frequency at which the plurality of first image frames are changed in the first driving mode is lower than a second image frequency at which the plurality of second image frames are changed in the second driving mode.