公开(公告)号：US20190113977A1

公开(公告)日：2019-04-18

申请号：US16163262

申请日：2018-10-17

Applicant: LG DISPLAY CO., LTD.

Inventor： ChiWan KIM ,  TaeHeon KIM ,  SungEui SHIN ,  YongWoo LEE ,  KyungYeol RYU ,  YuSeon KHO

IPC: G06F3/01 ,  G06F3/041 ,  C08G79/025

Abstract: Provided is a touch sensitive device including an electroactive layer formed of an electroactive matrix, wherein the electroactive matrix has a structure in which a piezoelectric ceramic and an electroactive polymer (EAP) are bonded and an electrode disposed on at least one surface of the electroactive layer. According to an exemplary embodiment of the present disclosure, the touch sensitive device uses an electroactive matrix has an excellent transparency, can be made thin, and has a high piezoelectric property so that the light transmittance and the vibration intensity of the touch sensitive device can be improved.