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Patent Searching and Data


Title:
SCREEN
Document Type and Number:
WIPO Patent Application WO/2020/262622
Kind Code:
A1
Abstract:
This screen includes a projection surface and a reverse surface, and comprises a dimming sheet having a transparent state and a non-transparent state, and a transparent reflection layer opposing the reverse surface. The projection surface is the surface struck by light from a projector in the non-transparent state. The non-transparent state includes a state in which the average diffuse reflectivity of the screen with respect to light in the visible range oriented toward the projection surface is at least 10% and less than 20%.

Inventors:
SAITO KEI (JP)
ABE SOHEI (JP)
YANO YUJI (JP)
MATSUYAMA SAORI (JP)
Application Number:
PCT/JP2020/025262
Publication Date:
December 30, 2020
Filing Date:
June 26, 2020
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
G03B21/62; G02B5/08; G02F1/13
Domestic Patent References:
WO2019039163A12019-02-28
Foreign References:
JP2017090616A2017-05-25
JP2017223950A2017-12-21
JP2016109953A2016-06-20
JP2014080606A2014-05-08
JP2017001649A2017-01-05
JP2016186627A2016-10-27
JP2010250288A2010-11-04
JP2019045612A2019-03-22
US20060056022A12006-03-16
Attorney, Agent or Firm:
ONDA Makoto et al. (JP)
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