Display device

An electronic device comprising a display device, the display device comprising:

• a display panel comprising an image display area and a non-display area;
• display pixels comprising light-emitting elements in the image display area and pixel driving units connected to the light-emitting elements;
• light-sensing pixels comprising photo-detecting units in a fingerprint sensing area in the image display area, and sense driving units connected to the photo-detecting units;
• a light-sensing reset driver configured to supply reset signals to the sense driving units of the light-sensing pixels for at least each horizontal line among the light-sensing pixels in response to a line select signal from a display driving circuit;
• a fingerprint scan driver configured to sequentially supply a fingerprint scan signal to the sense driving units of the light-sensing pixels in response to a fingerprint scan control signal from the display driving circuit;
• and
• a fingerprint driving circuit configured to perform analog-digital conversion at least every frame on light-sensing signals or sensing voltages input through fingerprint sensing lines connected to the sense driving units, respectively, to generate light-sensing data, and recognize a fingerprint using the light-sensing data,
• wherein the fingerprint driving circuit samples the light-sensing data for at least one frame from the light-sensing data for a plurality of frame periods for each horizontal line, detects the sampling sensing data, and authenticates a fingerprint by combining the sampling sensing data for each horizontal line,
• wherein the fingerprint driving circuit divides the fingerprint sensing area in the image display area into a plurality of divided areas, calculates averages of data values of the light-sensing data or sampling sensing data for the divided areas, and combines the averages of the data values for each horizontal line to authenticate a fingerprint.