公开(公告)号：US09748469B2

公开(公告)日：2017-08-29

申请号：US14979769

申请日：2015-12-28

Applicant: LG DISPLAY CO., LTD.

Inventor： MyungJin Lim ,  SuSeok Choi ,  Yong-Su Ham ,  Taeheon Kim ,  YongWoo Lee ,  Seulgi Choi

IPC: H01L41/083 ,  H05K5/00 ,  H01L41/04 ,  H05K1/02 ,  G06F1/16 ,  H01L41/193 ,  G09F9/30 ,  H01L41/09 ,  H01L41/277

CPC classification number: H01L41/083 ,  G06F1/1652 ,  G06F3/016 ,  G09F9/301 ,  H01L41/042 ,  H01L41/0926 ,  H01L41/193 ,  H01L41/277 ,  H05K1/028 ,  H05K5/0017 ,  H05K2201/05

Abstract: Provided is a multilayer actuator and a display device comprising the same with improved driving displacement that includes, for example, a plurality of electroactive layers, wherein the electroactive layers comprise a ferroelectric polymer, and polarization directions of all electroactive layers are substantially the same.