公开(公告)号：US10775943B2

公开(公告)日：2020-09-15

申请号：US16091565

申请日：2016-04-05

Applicant: HiDeep Inc.

Inventor： Bong Jin Seo ,  Jae Bum Jun ,  Hwan Hee Lee ,  Bon Kee Kim ,  Sang Sic Yoon ,  Myung Jun Jin

IPC: G06F3/045 ,  G06F3/044 ,  G06F3/041 ,  G01L1/14 ,  G01L9/00 ,  H01L27/32 ,  F21V8/00 ,  G02F1/1333 ,  G02F1/1335

Abstract: A touch input device capable of detecting a pressure of a touch on a touch surface may be provided that includes: a display module; and a pressure sensor which is disposed at a position where a distance between the pressure sensor and a reference potential layer is changeable according to the touch on the touch surface. The distance is changeable according to a pressure magnitude of the touch. The pressure sensor outputs a signal including information on a capacitance which is changed according to the distance. The pressure sensor includes a plurality of electrodes to form a plurality of channels. The pressure magnitude of the touch is detected on the basis of a change amount of the capacitance detected in each of the channels. According to the embodiment of the present invention, it is possible to provide a pressure sensor for pressure detection, a touch input device including the same, and a pressure detection method using the same. In addition, according to the embodiment of the present invention, it is possible to provide the pressure sensor having a high-pressure detection accuracy of the touch and the touch input device including the pressure sensor.

公开(公告)号：US11460954B2

公开(公告)日：2022-10-04

申请号：US17270937

申请日：2019-09-05

Applicant: HiDeep Inc.

Inventor： Jae Bum Jun ,  Young Ho Cho

IPC: G06F3/041

Abstract: A touch sensor panel driving method of applying a touch driving signal to a touch sensor panel according to a display synchronization signal according to an embodiment of the present invention includes synchronizing the touch driving signal applied to the touch sensor panel with the display synchronization signal and applying the touch driving signal, in which the touch driving signal includes a first touch driving signal and a second touch driving signal having a 180°-inverted phase to the first touch driving signal.