Display panel, driving method, and display device

A driving method for a display panel,

• the display panel comprising a plurality of first signal output lines, a plurality of first signal input lines, a plurality of fingerprint recognition units arranged in an array, a plurality of touch-control electrodes arranged in an array, and a driving circuit, wherein:
• one touch-control electrode of the plurality of touch-control electrodes at least corresponds to two fingerprint recognition units of the plurality of fingerprint recognition units;
• one touch-control electrode of the plurality of touch-control electrodes is electrically connected to at least one first signal input line of the plurality of first signal input lines;
• a fingerprint recognition unit of the plurality of fingerprint recognition units includes a photodiode, a first electrode, and a switch module;
• for the fingerprint recognition unit, a first terminal of the photodiode is electrically connected to the switch module, a second terminal of the photodiode is electrically connected to a corresponding one of the plurality of touch-control electrodes, the switch module is electrically connected to a corresponding one of the plurality of first signal output lines, and the first electrode is electrically connected to the first terminal of the photodiode;
• and
• the plurality of first signal output lines and the plurality of first signal input lines are electrically connected to the driving circuit;
• the driving method comprising:
• in a touch-control stage, the driving circuit controlling the plurality of first signal input lines to input touch-control driving signals, and controlling the plurality of first signal output lines to output touch-control position information;
• and
• in a fingerprint recognition stage, the driving circuit controlling the plurality of first signal input lines to input bias voltage signals, and controlling the plurality of first signal output lines to output fingerprint information.

A display device including a display panel, wherein:

• the display panel comprising a plurality of first signal output lines, a plurality of first signal input lines, a plurality of fingerprint recognition units arranged in an array, a plurality of touch-control electrodes arranged in an array, and a driving circuit, wherein:
• one of the plurality of touch-control electrodes corresponds to at least two of the plurality of fingerprint recognition units;
• one of the plurality of touch-control electrodes is electrically connected to at least one of the plurality of first signal input lines;
• a fingerprint recognition unit of the plurality of fingerprint recognition units includes a photodiode, a first electrode, and a switch module;
• for fingerprint recognition unit, a first terminal of the photodiode is electrically connected to the switch module, a second terminal of the photodiode is electrically connected to a corresponding one of the plurality of touch-control electrodes, the switch module is electrically connected to a corresponding one of the plurality of first signal output lines, and the first electrode is electrically connected to the first terminal of the photodiode;
• and
• the plurality of first signal output lines and the plurality of first signal input lines are electrically connected to the driving circuit.