Display device with improved detection in peripheral region thereof

A display device comprising:

• a substrate;
• a plurality of first electrodes arrayed in an active area of the substrate;
• a plurality of second electrodes facing the first electrodes and configured to form capacitance between the first electrodes and the second electrodes;
• at least one third electrode provided in a peripheral region positioned on the outside of the active area;
• a drive circuit configured to supply a drive signal having a phase determined based on a predetermined code to the first electrodes and the third electrode;
• and
• a scanning circuit configured to sequentially select a first electrode out of the first electrodes,
• wherein
• the drive circuit supplies the drive signal to the selected first electrode and the third electrode simultaneously,
• the scanning circuit sequentially selects at least one of the first electrodes in each of a plurality of detection periods, the detection periods being arranged in a time-division manner in a period for performing detection on one detection surface,
• the drive circuit supplies the drive signal to different the at least one of the first electrodes out of the first electrodes in the respective detection periods and supplies the drive signal to the third electrode in all the detection periods,
• the scanning circuit selects two of the first electrodes simultaneously in one of the detection periods,
• the scanning circuit selects the same pair of the two first electrodes in at least two of the detection periods, and
• the drive circuit supplies the drive signal to the selected two first electrodes and the third electrode in the at least two of the detection periods.