公开(公告)号：US20190129540A1

公开(公告)日：2019-05-02

申请号：US16230984

申请日：2018-12-21

Applicant: LG Display Co., Ltd.

Inventor： JungHan LEE ,  HongChul KIM ,  SungChul KIM ,  JeongSeop LEE ,  SeungEun PYO

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416

Abstract: Discussed are a display device with an integrated touch screen and a method of operating the same. The display device according to an embodiment includes a display panel including a plurality of pixel electrodes; a touch screen including m number of electrodes which are formed to overlap with the plurality of pixel electrodes, wherein m is a multiple of n, and n is an integer equal to or greater than two, and wherein the m electrodes are divided into n number of electrode groups; a touch driver configured to generate a touch scan signal and to supply the generated touch scan signal to a display driver; and the display driver configured to apply a common voltage or the touch scan signal to one or more of the m electrodes depending on a driving mode of the display device.

公开(公告)号：US20180143712A1

公开(公告)日：2018-05-24

申请号：US15875696

申请日：2018-01-19

Applicant: LG Display Co., Ltd.

Inventor： JungHan LEE ,  HongChul KIM ,  SungChul KIM ,  JeongSeop LEE ,  SeungEun PYO

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416

Abstract: Discussed are a display device with an integrated touch screen and a method of operating the same. The display device according to an embodiment includes a display panel including a plurality of pixel electrodes; a touch screen including m number of electrodes which are formed to overlap with the plurality of pixel electrodes, wherein m is a multiple of n, and n is an integer equal to or greater than two, and wherein the m electrodes are divided into n number of electrode groups; a touch driver configured to generate a touch scan signal and to supply the generated touch scan signal to a display driver; and the display driver configured to apply a common voltage or the touch scan signal to one or more of the m electrodes depending on a driving mode of the display device.