Invention Grant
- Patent Title: Screen
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Application No.: US17560742Application Date: 2021-12-23
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Publication No.: US11609488B2Publication Date: 2023-03-21
- Inventor: Kei Saito , Sohei Abe , Yuji Yano , Saori Matsuyama
- Applicant: TOPPAN Inc.
- Applicant Address: JP Tokyo
- Assignee: TOPPAN Inc.
- Current Assignee: TOPPAN Inc.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JPJP2019-121810 20190628
- Main IPC: G03B21/62
- IPC: G03B21/62 ; G02F1/1334 ; G02F1/1335 ; G02F1/137

Abstract:
A screen including a light control sheet which includes a front surface and a rear surface and has a transparent state and an opaque state, and a transparent reflective layer that faces the rear surface. The front surface is positioned such that light from a projection device is applied in the opaque state. The opaque state includes a state in which an average diffuse reflectance of visible light applied to the front surface is 10% or more and less than 20%.
Public/Granted literature
- US20220113617A1 SCREEN Public/Granted day:2022-04-14
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