A display device having a display area comprising a fingerprint recognition area for recognizing fingerprints and a non-fingerprint recognition area separate from the fingerprint recognition area, and a non-display area disposed on the outside of the display area, the display device comprising: a fingerprint sensing unit disposed to overlap with the fingerprint recognition area; a plurality of pixels comprising: a first pixel set disposed to overlap with the fingerprint recognition area; and a second pixel set disposed to overlap with the non-fingerprint recognition area, wherein the display device is configured to provide a first voltage signal as a scan signal to the first pixel set, the first voltage signal being a signal with a variable frequency comprising: a first period during which the first voltage signal has a first frequency; a second period during which the first voltage signal has a second frequency lower than the first frequency; and a third period during which the first voltage signal has the first frequency; wherein the fingerprint sensing unit is configured to perform fingerprint authentication during the second period, and wherein the second period is between the first period and the third period; wherein the display device is configured to provide a second voltage signal as a scan signal to the second pixel set, the second voltage signal having the first frequency throughout the first, second and third periods. a fingerprint sensing unit disposed to overlap with the fingerprint recognition area; a plurality of pixels comprising: a first pixel set disposed to overlap with the fingerprint recognition area; and a second pixel set disposed to overlap with the non-fingerprint recognition area, a first pixel set disposed to overlap with the fingerprint recognition area; and a second pixel set disposed to overlap with the non-fingerprint recognition area, wherein the display device is configured to provide a first voltage signal as a scan signal to the first pixel set, the first voltage signal being a signal with a variable frequency comprising: a first period during which the first voltage signal has a first frequency; a second period during which the first voltage signal has a second frequency lower than the first frequency; and a third period during which the first voltage signal has the first frequency; a first period during which the first voltage signal has a first frequency; a second period during which the first voltage signal has a second frequency lower than the first frequency; and a third period during which the first voltage signal has the first frequency; wherein the fingerprint sensing unit is configured to perform fingerprint authentication during the second period, and wherein the second period is between the first period and the third period; wherein the display device is configured to provide a second voltage signal as a scan signal to the second pixel set, the second voltage signal having the first frequency throughout the first, second and third periods. wherein the second period is between the first period and the third period; wherein the display device is configured to provide a second voltage signal as a scan signal to the second pixel set, the second voltage signal having the first frequency throughout the first, second and third periods.