公开(公告)号：US20240201808A1

公开(公告)日：2024-06-20

申请号：US18227048

申请日：2023-07-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： JINBONG KIM ,  BYUNGHWEE PARK ,  YEONWOO KU ,  MINSUNG KIM ,  Heejin LEE ,  YUNRAE JO

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/20 ,  G09G3/3233

CPC classification number: G06F3/0412 ,  G06F3/04164 ,  G06F3/0443 ,  G06F3/0446 ,  G09G3/2007 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2310/08

Abstract: A touch display device, including a display panel including: a plurality of source lines configured to provide a plurality of source signals to a plurality of pixels, and a common electrode coupled to the plurality of source lines; a plurality of touch electrodes coupled to the common electrode, and configured to provide a plurality of touch signals according to a plurality of touch driving signals received from the common electrode; and a touch driving circuit configured to generate a plurality of pieces of touch information based on a difference between the plurality of touch signals and each of the plurality of touch driving signals.