公开(公告)号：US11099411B2

公开(公告)日：2021-08-24

申请号：US17118839

申请日：2020-12-11

Applicant: LG DISPLAY CO., LTD.

Inventor： Sooyoun Kim ,  SeokHo Lee ,  Seong-Il Kim

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

Abstract: The present disclosure relates a privacy film and a display device including the privacy film. More specifically, by including a light collector including a plurality of first light blocking patterns arranged to be spaced apart from one another, an adhesive layer disposed on the light collector and having at least one first groove in at least a part overlapping the plurality of first light blocking patterns, and a light diffuser disposed on the adhesive layer and including a plurality of capsules, the privacy film and the display device including the privacy film can prevent light discharge efficiency of the privacy film from being degraded and be easily reworked.

公开(公告)号：US11435639B2

公开(公告)日：2022-09-06

申请号：US17112176

申请日：2020-12-04

Applicant: LG Display Co., Ltd.

Inventor： Sooyoun Kim ,  SeongYong Uhm ,  Seong-Il Kim ,  SeokHo Lee

IPC: G02F1/137 ,  G02F1/1334 ,  G02F1/1343 ,  G02F1/1335

Abstract: The present disclosure relates to a privacy film and a display device including the privacy film, and more specifically, to a privacy film capable of reducing a viewing angle by including a first substrate, a first electrode disposed on the first substrate, a plurality of light blocking patterns disposed on the first electrode, a light transmission layer disposed on the first electrode and the plurality of light blocking patterns and including a plurality of capsules, a second electrode disposed on the light transmission layer, and a second substrate disposed on the second electrode, and a display device including the privacy film.

公开(公告)号：US11360336B2

公开(公告)日：2022-06-14

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 ,  G02F1/1335 ,  G02F1/1334 ,  G02B5/02 ,  F21V8/00 ,  G02F1/13357

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).