Patent ID: 9304638
Filing Date: 2016-04-05
CPC Classification: G06F

Claim Text:
1. A method of driving a display device, the method comprising: respectively receiving a plurality of sensing signals from a plurality of touch electrodes formed at a touch panel; determining whether there is a normal touch, by using a number of the plurality of touch electrodes where there is a touch in a touch region defined by the received sensing signals, among the plurality of touch electrodes; and when it is determined that there is the normal touch, performing an operation of extracting touch coordinates of the touch region, and when it is determined that there is an abnormal touch, performing an operation of receiving the sensing signals without performing the operation of extracting the touch coordinates, wherein the determining of whether there is a normal touch comprises: calculating a size of the touch region defined by the sensing signals by using the number of the plurality of touch electrodes where there is a touch; when the size of the touch region is within a predetermined range, determining there to be the normal touch; and when the size of the touch region is not within the predetermined range, determining there to be the abnormal touch.