Display device

A display device, comprising:

• a display panel;
• and
• a transparent cover plate disposed on the display panel, wherein a first side of the transparent cover plate close to the display panel is provided with a full-screen fingerprint sensor and a fingerprint identification alarm circuit, wherein the full-screen fingerprint sensor is configured to acquire fingerprint information at a surface of a second side of the transparent cover plate opposite to the first side;
• and
• the fingerprint identification alarm circuit comprises:
• a receiving unit connected to the full-screen fingerprint sensor and configured to receive the fingerprint information from the full-screen fingerprint sensor;
• an extracting unit connected to the receiving unit and configured to extract a fingerprint feature from the fingerprint information received by the receiving unit;
• a comparison unit connected to the extracting unit and configured to compare the fingerprint feature extracted by the extracting unit with a pre-stored fingerprint feature;
• and
• an alarming unit connected to the comparison unit and configured to perform an alarming operation upon the fingerprint feature being inconsistent with the pre-stored fingerprint feature.