| 摘要 |
Provided is a touch-sensor-equipped display device that is capable of avoiding influences of noises resulting from polarity inversion of a common voltage of the display device, without using a special circuit. It is a touch-sensor-equipped display device that includes: a sensor output readout circuit (21) that is connected to a plurality of sensor electrodes of a touch sensor part (7) successively, and that outputs a signal voltage corresponding to electric characteristics of the connected sensor electrode; a sensor control circuit (23) that supplies a control signal to the sensor output readout circuit (21); and a coordinate calculation circuit (22) that detects a contact position, based on the signal voltage. The sensor control circuit (23) performs a scanning operation for obtaining full-screen sensor data in such a manner that the scanning operation is divided into a plurality of parts. The coordinate calculation circuit (22) includes: a sensor output synthesis circuit (221) that synthesizes the sensor data obtained by the plurality of divided parts of the scanning operation so as to generate full-screen sensor data; and a coordinate position detection circuit (222) that detects the position of the contact by the touching object, based on full-screen sensor data.
|
