| 摘要 |
A liquid crystal display device 10 is provided with a TF 19, a pixel electrode 20, a common electrode 23, an array substrate 11b, a CF substrate 11a, a detection electrode 38 provided on the CF substrate 11a, a drive electrode 39 provided on the CF substrate 11a, a driver 16 and a row control circuit unit 37b which are display drive units for supplying a scan signal Vscan and a data signal Vpix to the TFT 19 and driving the display, and a touch controller 48 for performing position detection control by supplying a drive signal Vdri to the drive electrode 39 and detecting a position detection signal Vdet outputted from the detection electrode 38, the touch controller 48 supplying the drive signal Vdri to the drive electrode 39 and driving the drive electrode 39 in at least a scanning write period in which the scan signal Vscan is supplied to the TFT 19 by the row control circuit unit 37b that is the display drive unit and the TFT 19 is driven. |
