公开(公告)号：US11669208B2

公开(公告)日：2023-06-06

申请号：US17897497

申请日：2022-08-29

Applicant: LG DISPLAY CO., LTD.

Inventor： SuHo Ha ,  EunSup Yoon ,  Laebong Jang

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

CPC classification number: G06F3/04184 ,  G06F3/0412 ,  G06F3/0443 ,  G09G3/3233 ,  G06F2203/04103 ,  G06F2203/04107 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2354/00

Abstract: A touch display device includes a display layer including a light emitting layer, a touch layer including a touch electrode, a metal shielding layer disposed between the light emitting layer and the touch electrode, a reference signal line electrically connected to the metal shielding layer, and a compensation circuit that supplies a reference signal through the reference signal line.