Display Device and Mobile Terminal Device Including the Same

A mobile terminal device comprising:

• a display panel including a screen in which a plurality of display pixels are sequentially scanned, and a plurality of sensor pixels that are exposed to a light during an exposure time to convert the light into an electric current;
• and
• a fingerprint recognition processor configured to generate fingerprint pattern image data from sensor data output from the plurality of sensor pixels,
• wherein the plurality of display pixels are disposed in a first area and a second area of the screen, and the plurality of sensor pixels are disposed in the second area of the screen,
• wherein, while the plurality of display pixels disposed in the first area of the screen are scanned, the plurality of sensor pixels are exposed, and
• while the plurality of display pixels in the second area of the screen are scanned, sensor data is output from the plurality of sensor pixels and then the plurality of sensor pixels are initialized.