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Title:
ANTI-REFLECTION FILM
Document Type and Number:
WIPO Patent Application WO/2021/235379
Kind Code:
A1
Abstract:
Provided is an anti-reflection film having high infrared transmittance and exceptional flexibility. The present invention has a substrate (10), a hard coat layer (20), an adhesion layer (30), and an anti-reflection layer (40) in the stated order, the anti-reflection layer being formed from a first high-refractive-index layer (411) having an optical thickness of 41-52 nm from the adhesion-layer (30) side, a first low-refractive-index layer (412) having an optical thickness of 41-53 nm, a second high-refractive-index layer (413) having an optical thickness of 302-313 nm, and a second low-refractive-index layer (414) having an optical thickness of 135-196 nm.

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Inventors:
KOBAYASHI TOMOAKI (JP)
Application Number:
PCT/JP2021/018554
Publication Date:
November 25, 2021
Filing Date:
May 17, 2021
Export Citation:
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Assignee:
DEXERIALS CORP (JP)
International Classes:
G02B1/115; B32B7/023; G02B1/14; G02B1/18
Domestic Patent References:
WO2002077704A12002-10-03
Foreign References:
JPH11171596A1999-06-29
JP2019196301A2019-11-14
JPH11231127A1999-08-27
JP2003114302A2003-04-18
JP2017125876A2017-07-20
JP2020056866A2020-04-09
JP2002243902A2002-08-28
JP2020060657A2020-04-16
JP2020089189A2020-06-04
JP2019053115A2019-04-04
JP2014034701A2014-02-24
Other References:
See also references of EP 3974876A4
Attorney, Agent or Firm:
NOGUCHI, Nobuhiro (JP)
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