公开(公告)号：US20190219460A1

公开(公告)日：2019-07-18

申请号：US16313110

申请日：2016-07-11

Applicant: LG INNOTEK CO., LTD.

Inventor： Won Keun CHO ,  Eun Jin KIM ,  Soo Min LEE ,  Jina LEE ,  In Hee CHO ,  Hyun Jin JO ,  Sanga JU

IPC: G01L1/20

CPC classification number: G01L1/20 ,  G01L1/18 ,  H01B1/02

Abstract: A pressure sensor according to an embodiment of the present invention comprises: a first electrode layer; a second electrode layer; and an intermediate layer disposed between the first electrode layer and the second electrode layer, wherein the intermediate layer changes in resistance, depending on a change in at least one of thickness and volume thereof. In addition, the intermediate layer comprises: a foam having porous regions dispersed in a non-porous region thereof; and a conductive material being dispersed in the foam and greater in conductivity rate than the foam.