公开(公告)号：US20240201812A1

公开(公告)日：2024-06-20

申请号：US18360054

申请日：2023-07-27

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Yoon LEE ,  Yu Jin CHOE

IPC: G06F3/041 ,  G06F3/044 ,  H10K59/40

CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/04164 ,  G06F3/0446 ,  H10K59/40 ,  G06F2203/04102 ,  G06F2203/04111

Abstract: A touch detection device includes a touch area including multiple driving electrodes and multiple detecting electrodes intersecting the driving electrodes, and including a first area that is flat, and a second area that extends from the first area in a first direction and is flat or bent based on a movement of a roller member, a first pad portion disposed adjacent to an edge of the touch area and including a first driving pad portion connected to multiple first driving electrodes disposed in the first area through multiple first driving lines, and a first detecting pad portion connected to multiple first detecting electrodes disposed in the first area through multiple detecting lines, and a second pad portion disposed adjacent to the edge of the touch area and including a second driving pad portion connected to multiple second driving electrodes disposed in the second area through multiple second driving lines.

公开(公告)号：US20240118765A1

公开(公告)日：2024-04-11

申请号：US18143132

申请日：2023-05-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeong Yoon LEE ,  Ok Kyung Park ,  Young Seok Seo ,  Yu Jin Choe

IPC: G06F3/041 ,  G06F3/042 ,  H10K59/40 ,  H10K59/80 ,  H10K59/88

CPC classification number: G06F3/04164 ,  G06F3/0412 ,  G06F3/0421 ,  H10K59/40 ,  H10K59/873 ,  H10K59/88

Abstract: A display device includes: a substrate; a light emitting element layer disposed on the substrate; and a sensor electrode layer disposed on an encapsulation layer and including: a plurality of first touch electrode groups extending along a first direction; a plurality of first touch electrodes, of the plurality of first touch electrode groups, arranged along the first direction; a plurality of second touch electrode groups extending along the second direction and arranged along the first direction; a first contact electrode connected to any one of the plurality of first touch electrodes of any one of the plurality of first touch electrode groups; and a second contact electrode connected to any one of the plurality of first touch electrodes of another of the plurality of first touch electrode groups, and wherein an area of the first contact electrode is greater than an area of the second contact electrode.