公开(公告)号：US11150521B2

公开(公告)日：2021-10-19

申请号：US16913293

申请日：2020-06-26

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Keisuke Miura ,  Yusuke Hagiwara ,  Tsubasa Honda ,  Noriko Katashima ,  Norio Ishii ,  Tomoya Kawashima

IPC: G02F1/1337 ,  G02F1/1339 ,  E06B3/66 ,  E06B9/24 ,  G02F1/1343

Abstract: The reliability of a spacer is improved in comparison to conventional ones. A light control film which is obtained by sandwiching a liquid crystal layer between first and second laminates that are provided with at least alignment layers and which controls light transmitted therethrough by controlling the alignment of liquid crystal molecules in the liquid crystal layer by driving electrodes that are provided on the first and second laminates. With respect to the first laminate, a base that is formed of a transparent film material is provided with a spacer that maintains the thickness of the liquid crystal layer. With respect to the first and second laminates, the Vickers hardness of the spacer is from 16.9 to 40.2 inclusive, and the Vickers hardness of a part of the second laminate, the part being in contact with the front end of the spacer, is from 11.8 to 35.9 inclusive.

公开(公告)号：US10649281B2

公开(公告)日：2020-05-12

申请号：US15765072

申请日：2016-09-29

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Yusuke Nakamura ,  Tomoya Kawashima ,  Kumiko Kambara ,  Norio Ishii

IPC: G02F1/1339 ,  G02F1/13 ,  G02F1/1337 ,  E06B3/663 ,  E06B3/67 ,  G02F1/133 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/137 ,  E06B9/24

Abstract: A light-modulating cell includes: a pair of polarizing plates (a first polarizing plate and a second polarizing plate); a pair of electrodes (a first transparent electrode and a second transparent electrode) arranged between the pair of polarizing plates (the first polarizing plate and the second polarizing plate); and a pair of alignment films (a first alignment film and a second alignment film) arranged between the pair of electrodes (the first transparent electrode and the second transparent electrode). A plurality of spacers, which support at least any one of the pair of alignment films and are in two-dimensional contact with at least any one of the pair of alignment films, is provided. At least some of the plurality of spacers have an inconstant distance to another spacer positioned at a closest distance.