公开(公告)号：US20210200002A1

公开(公告)日：2021-07-01

申请号：US17131193

申请日：2020-12-22

Applicant: LG Display Co., Ltd.

Inventor： SEONG-IL KIM ,  SOOYOUN KIM ,  JUNEHWAN KIM ,  SEOKHO LEE ,  YOUNGWOOK HA

IPC: G02F1/13 ,  G02F1/1334 ,  G02F1/1335

Abstract: Provided is a privacy protection film. The privacy protection film includes a transparent base substrate, a light control layer disposed on the transparent base substrate and including a plurality of optical pattern structures each having an upwardly protruding prism shape, a first electrode disposed on the light control layer, a second electrode spaced apart from the first electrode, and a variable light diffusion layer disposed between the first electrode and the second electrode and formed of a polymer dispersed liquid crystal (PDLC).