JPWO2021153761A1 - - Google Patents

Info

Publication number
JPWO2021153761A1
JPWO2021153761A1 JP2021574709A JP2021574709A JPWO2021153761A1 JP WO2021153761 A1 JPWO2021153761 A1 JP WO2021153761A1 JP 2021574709 A JP2021574709 A JP 2021574709A JP 2021574709 A JP2021574709 A JP 2021574709A JP WO2021153761 A1 JPWO2021153761 A1 JP WO2021153761A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2021574709A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2021153761A1 publication Critical patent/JPWO2021153761A1/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3016Polarising elements involving passive liquid crystal elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/36Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364Liquid crystals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/36Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/373Metallic materials
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/286Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3025Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3083Birefringent or phase retarding elements
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/12Polarisers
JP2021574709A 2020-01-31 2021-01-29 Pending JPWO2021153761A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020015438 2020-01-31
PCT/JP2021/003326 WO2021153761A1 (ja) 2020-01-31 2021-01-29 識別媒体、物品、及び識別媒体の使用方法

Publications (1)

Publication Number Publication Date
JPWO2021153761A1 true JPWO2021153761A1 (ja) 2021-08-05

Family

ID=77079147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021574709A Pending JPWO2021153761A1 (ja) 2020-01-31 2021-01-29

Country Status (5)

Country Link
US (1) US20230076172A1 (ja)
EP (1) EP4099067A4 (ja)
JP (1) JPWO2021153761A1 (ja)
CN (1) CN114981693A (ja)
WO (1) WO2021153761A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4318058A1 (en) * 2021-03-30 2024-02-07 Zeon Corporation Optical display medium, article, and method for using optical display medium
WO2023190483A1 (ja) * 2022-03-30 2023-10-05 日本ゼオン株式会社 識別媒体及び物品
WO2023189787A1 (ja) * 2022-03-30 2023-10-05 日本ゼオン株式会社 識別媒体及び物品
WO2023190481A1 (ja) * 2022-03-30 2023-10-05 日本ゼオン株式会社 識別媒体及び物品
WO2023189966A1 (ja) * 2022-03-30 2023-10-05 日本ゼオン株式会社 識別媒体及び物品

Family Cites Families (24)

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US5828661A (en) * 1996-05-22 1998-10-27 Qualcomm Incorporated Method and apparatus for providing a cone of silence in a cellular communication system
JP2003207635A (ja) * 2002-01-15 2003-07-25 Nhk Spring Co Ltd 対象物の識別媒体及び識別方法
DE60336184D1 (de) * 2002-02-06 2011-04-14 Merck Patent Gmbh Doppelbrechender Film und seine Verwendung
US7443585B2 (en) * 2002-04-23 2008-10-28 Nitto Denko Corporation Polarizer, polarization light source and image display unit using them
AU2003234341A1 (en) * 2002-05-07 2003-11-11 Toppoly Optoelectronics Corp. Reflective and transflective liquid crystal display using a wire grid polarizer
DE602004031385D1 (de) * 2003-06-10 2011-03-24 Dainippon Printing Co Ltd Projektionsschirm und Projektionssystem
WO2005059597A2 (en) 2003-12-16 2005-06-30 Sun Chemical Corporation Cholesteric liquid crystal security arrangement
JP4909535B2 (ja) * 2005-06-23 2012-04-04 日東電工株式会社 積層反射体、認証カード、バーコードラベル、認証システム、及び、認証領域形成システム
JP4866129B2 (ja) * 2006-04-03 2012-02-01 日本発條株式会社 識別媒体、識別方法および識別装置
KR100828475B1 (ko) * 2007-09-28 2008-05-13 주식회사 민코엘에스 외장 테두리 교체형 휴대용 액세서리
JP5543097B2 (ja) 2008-11-07 2014-07-09 富士フイルム株式会社 偽造防止箔
JP4669545B2 (ja) * 2008-12-08 2011-04-13 大日本印刷株式会社 真正性識別体並びに真正性識別方法及び真正性識別体の製造方法
JP2010221650A (ja) 2009-03-25 2010-10-07 Fujifilm Corp 偽造防止媒体
JP5462884B2 (ja) * 2009-11-27 2014-04-02 日本発條株式会社 識別媒体およびその識別方法
JP5915838B2 (ja) 2011-11-01 2016-05-11 大日本印刷株式会社 立体視画像形成体
JP2014002298A (ja) * 2012-06-20 2014-01-09 Toppan Printing Co Ltd 偽造防止媒体、偽造防止ラベル、印刷物、転写箔及び真贋判定方法
JP6171291B2 (ja) * 2012-09-07 2017-08-02 凸版印刷株式会社 表示体の真偽判定方法
JP2014174471A (ja) * 2013-03-12 2014-09-22 Nippon Zeon Co Ltd 識別媒体、物品の識別方法、及び積層構造体
CN105452915B (zh) * 2013-08-21 2018-09-28 富士胶片株式会社 圆偏振滤光器及其应用
US10899163B2 (en) * 2015-05-26 2021-01-26 Rolic Ag Optical security device
BR112018002225A2 (pt) * 2015-08-07 2018-09-18 Rolic Techonologies Ag dispositivo de dispersão modulado azimutalmente
JP7276144B2 (ja) 2017-12-12 2023-05-18 日本ゼオン株式会社 液晶硬化フィルムおよびその製造方法、偏光板、並びに有機エレクトロルミネッセンス表示装置
JP7172118B2 (ja) 2018-04-27 2022-11-16 日本ゼオン株式会社 積層体の製造方法
EP3896501A4 (en) 2018-12-11 2022-09-14 Zeon Corporation AUTHENTICITY DETERMINATION VIEWER AND MANUFACTURING METHOD THEREOF, METHOD OF DETERMINING THE AUTHENTICITY OF AN AUTHENTICATION MEDIA AND AUTHENTICITY DETERMINATION SET

Also Published As

Publication number Publication date
CN114981693A (zh) 2022-08-30
US20230076172A1 (en) 2023-03-09
EP4099067A4 (en) 2024-02-21
WO2021153761A1 (ja) 2021-08-05
EP4099067A1 (en) 2022-12-07

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Legal Events

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Effective date: 20231013