JP2007093675A5 - - Google Patents

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Publication number
JP2007093675A5
JP2007093675A5 JP2005279291A JP2005279291A JP2007093675A5 JP 2007093675 A5 JP2007093675 A5 JP 2007093675A5 JP 2005279291 A JP2005279291 A JP 2005279291A JP 2005279291 A JP2005279291 A JP 2005279291A JP 2007093675 A5 JP2007093675 A5 JP 2007093675A5
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JP
Japan
Prior art keywords
layer
medium
authenticity determination
liquid crystal
cholesteric liquid
Prior art date
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
JP2005279291A
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Japanese (ja)
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JP2007093675A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2005279291A priority Critical patent/JP2007093675A/en
Priority claimed from JP2005279291A external-priority patent/JP2007093675A/en
Publication of JP2007093675A publication Critical patent/JP2007093675A/en
Publication of JP2007093675A5 publication Critical patent/JP2007093675A5/ja
Pending legal-status Critical Current

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Claims (4)

配向性を有する基材において、前記基材の一方の表面上に、入射光のうち左円偏光、または、右円偏光のいずれか一方を反射する第１のコレステリック液晶層を有し、前記基材のもう一方の表面上に、剥離層を介して第２のコレステリック液晶層を有することを特徴とする真贋判定用媒体。 The base material having orientation has a first cholesteric liquid crystal layer that reflects either left circularly polarized light or right circularly polarized light in incident light on one surface of the base material, A medium for authenticity determination, comprising a second cholesteric liquid crystal layer on another surface of the material via a release layer. 前記第２のコレステリック液晶層に積層された配向膜を介して、ホログラム形成層を有することを特徴とする請求項１記載の真贋判定用媒体。 The medium for authenticity determination according to claim 1, further comprising a hologram forming layer through an alignment film laminated on the second cholesteric liquid crystal layer . 前記ホログラム形成層は、隠しセキュリティがホログラムとして記録されていることを特徴とする請求項２記載の真贋判定用媒体。 The medium for authenticity determination according to claim 2 , wherein the hologram forming layer has a hidden security recorded as a hologram. 前記ホログラム形成層上に、透明金属薄膜層を介して粘着剤層を積層していることを特徴とする請求項２または３記載の真贋判定用媒体。 4. The authenticity determination medium according to claim 2, wherein an adhesive layer is laminated on the hologram forming layer via a transparent metal thin film layer.
JP2005279291A 2005-09-27 2005-09-27 Authenticity determining medium Pending JP2007093675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005279291A JP2007093675A (en) 2005-09-27 2005-09-27 Authenticity determining medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005279291A JP2007093675A (en) 2005-09-27 2005-09-27 Authenticity determining medium

Publications (2)

Publication Number Publication Date
JP2007093675A JP2007093675A (en) 2007-04-12
JP2007093675A5 true JP2007093675A5 (en) 2008-11-06

Family

ID=37979533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005279291A Pending JP2007093675A (en) 2005-09-27 2005-09-27 Authenticity determining medium

Country Status (1)

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JP (1) JP2007093675A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8740088B2 (en) * 2008-04-02 2014-06-03 Sicpa Holding Sa Identification and authentication using liquid crystal material markings
JP5223744B2 (en) * 2009-03-17 2013-06-26 大日本印刷株式会社 Manufacturing method of recording medium capable of authenticity determination
JP6035727B2 (en) * 2011-11-07 2016-11-30 凸版印刷株式会社 Information recording forgery prevention medium and information recording method
EP4006889A4 (en) * 2019-07-31 2023-09-06 Zeon Corporation Display medium, display product, and display set
CN110660315A (en) * 2019-09-16 2020-01-07 王天宇 Identification characteristic strip-shaped film structure and paper containing same
JP7459588B2 (en) 2020-03-17 2024-04-02 大日本印刷株式会社 Information recording body and printed matter comprising information recording body

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3904045B2 (en) * 1998-12-11 2007-04-11 富士ゼロックス株式会社 Optical recording method, optical recording apparatus, optical reading method, optical reading apparatus
JP4392826B2 (en) * 2003-05-16 2010-01-06 日本発條株式会社 Object identification medium and identification method
JP2005088381A (en) * 2003-09-18 2005-04-07 Dainippon Printing Co Ltd Medium for judging authenticity, medium label for judging authenticity, transfer sheet of medium for judging authenticity, sheet enabling judgment of authenticity and information recorded body enabling judgment of authenticity
JP4257903B2 (en) * 2003-10-28 2009-04-30 日本発條株式会社 Identification medium, identification medium identification method, identification target article, and identification apparatus

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