公开(公告)号：US09990075B2

公开(公告)日：2018-06-05

申请号：US14537534

申请日：2014-11-10

Applicant: LG DISPLAY CO., LTD.

Inventor： Seong Kyu Kang ,  Hoon Bae Kim ,  Sung Su Han

IPC: G09G5/18 ,  G06F3/041 ,  G06F3/044 ,  G09G3/20 ,  G09G3/36

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G09G3/20 ,  G09G3/3648 ,  G09G2310/08

Abstract: Disclosed are a display device and method of driving the same in which a display panel may include a plurality of gate lines, a plurality of data lines and a touch panel, the touch panel including a first touch electrode group where s number of horizontal electrodes and k (which is less than s) number of longitudinal electrodes cross each other; and a touch sensing unit that during a first period of a plurality of touch sensing periods included in a one frame period, determines whether at least one of the s number of horizontal electrodes is touched based on a plurality of sensing signals received from at least two of the s number of horizontal electrodes, and during a second period of the plurality of touch sensing periods, determines whether at least one of the s number of horizontal electrodes, which is either the same or different from the at least one of the s number of horizontal electrodes determined during the first period, is touched based on one or more sensing signals received from at least one of the k number of longitudinal electrodes.