公开(公告)号：US11589486B2

公开(公告)日：2023-02-21

申请号：US17550395

申请日：2021-12-14

Applicant: LG DISPLAY CO., LTD.

Inventor： EunSup Yoon ,  Jun Park ,  SeungHyun Cho

IPC: H05K7/02 ,  H05K7/04 ,  H05K9/00 ,  H05K5/00 ,  H05K5/02 ,  H01L51/52 ,  H01L27/32

Abstract: A display device includes a display part including a display panel in which a plurality of pixels is defined, a roller fastened with the display part and configured to wind or unwind the display part, a roller support unit configured to support the roller at both sides of the roller, and a first grounding unit including a body accommodated inside the roller so as to be movable and a contact portion connected to an outer surface of the body and brought into contact with the roller support unit as the body moves, thus maintaining and enhancing continuity of grounding and maximizing the effect of improving EMI.

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.