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Patent Searching and Data


Title:
反射型スクリーン
Document Type and Number:
Japanese Patent JP6733678
Kind Code:
B2
Abstract:
In this reflective screen, a front surface has an uneven surface where writing with ink and erasing of the resulting writing are carried out, and an image is projected from the front toward the uneven surface. The reflective screen comprises the following in order from the front surface toward a rear surface that is the opposite surface from said front surface: a transparent plate through which the light of the image passes; a light-scattering layer for scattering light that has passed through the transparent plate; and a light-reflecting layer that reflects light from the light-scattering layer toward the light-scattering layer. The light-scattering layer is in close contact with the transparent plate and has an internal transmittance of 21-70%.

Inventors:
Muwa Hara Yuichi
Hideyuki Heisha
Takashi Shibuya
Yukihiro Ho
Yuriko Kaita
Application Number:
JP2017547780A
Publication Date:
August 05, 2020
Filing Date:
October 24, 2016
Export Citation:
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Assignee:
AGC Inc.
International Classes:
G03B21/60; G02B5/02; G02B5/08; G03B21/14
Domestic Patent References:
JP2002307894A
JP9230506A
JP2013238705A
JP2013210511A
JP2013235149A
JP2011194705A
Foreign References:
WO2001032440A1
WO2013137099A1
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito