KR102761798B1 - 컬러 표시체, 인증 매체, 및 컬러 표시체의 진안 판정 방법 - Google Patents

컬러 표시체, 인증 매체, 및 컬러 표시체의 진안 판정 방법 Download PDF

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KR102761798B1
KR102761798B1 KR1020227013320A KR20227013320A KR102761798B1 KR 102761798 B1 KR102761798 B1 KR 102761798B1 KR 1020227013320 A KR1020227013320 A KR 1020227013320A KR 20227013320 A KR20227013320 A KR 20227013320A KR 102761798 B1 KR102761798 B1 KR 102761798B1
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South Korea
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color display
display body
refractive index
wave
zone
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Korean (ko)
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KR20220063259A (ko
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게이타로 스기하라
아키히토 가고타니
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도판 홀딩스 가부시키가이샤
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06046—Constructional details
    • G06K19/0614—Constructional details the marking being selective to wavelength, e.g. color barcode or barcodes only visible under UV or IR
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/324—Reliefs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; 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
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—Diffraction gratings; Holograms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1809—Diffraction gratings with pitch less than or comparable to the wavelength
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1847—Manufacturing methods
    • G02B5/1852—Manufacturing methods using mechanical means, e.g. ruling with diamond tool, moulding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
KR1020227013320A 2019-09-25 2020-09-25 컬러 표시체, 인증 매체, 및 컬러 표시체의 진안 판정 방법 Active KR102761798B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019174228 2019-09-25
JPJP-P-2019-174228 2019-09-25
PCT/JP2020/036474 WO2021060543A1 (ja) 2019-09-25 2020-09-25 カラー表示体、認証媒体、および、カラー表示体の真贋判定方法

Publications (2)

Publication Number Publication Date
KR20220063259A KR20220063259A (ko) 2022-05-17
KR102761798B1 true KR102761798B1 (ko) 2025-02-03

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ID=75166263

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227013320A Active KR102761798B1 (ko) 2019-09-25 2020-09-25 컬러 표시체, 인증 매체, 및 컬러 표시체의 진안 판정 방법

Country Status (6)

Country Link
US (1) US11977938B2 (https=)
EP (2) EP4467354A3 (https=)
JP (1) JP7509149B2 (https=)
KR (1) KR102761798B1 (https=)
CN (1) CN114450606B (https=)
WO (1) WO2021060543A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102597533B1 (ko) * 2022-07-01 2023-11-02 엔비에스티(주) 층간박리를 방지하는 위변조 방지수단 및 이를 활용한 위변조 인증방법
US20240098921A1 (en) * 2022-09-21 2024-03-21 Apple Inc. Electronic device including a structurally colored enclosure component

Citations (1)

* Cited by examiner, † Cited by third party
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WO2019068304A1 (en) * 2017-10-02 2019-04-11 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement RESONANT WAVEGUIDE NETWORK AND ITS APPLICATIONS

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CN1313846C (zh) 2001-10-05 2007-05-02 松下电器产业株式会社 衍射光学元件及使用了该衍射光学元件的光学头
AU2002367080A1 (en) * 2002-01-18 2003-07-30 Ovd Kinegram Ag Diffractive security element having an integrated optical waveguide
US20070178287A1 (en) * 2006-01-30 2007-08-02 Abraham Nigel C Optically variable device mastering system, method of authenticating articles employing the same, and resultant article
US7864424B2 (en) * 2006-05-31 2011-01-04 CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recherche et Développement Zero order pigments (ZOP)
WO2007137438A1 (en) * 2006-05-31 2007-12-06 Csem Centre Suisse D'electronique Et De Microtechnique Sa Zero-order diffractive pigments
JP5082378B2 (ja) 2006-10-24 2012-11-28 凸版印刷株式会社 表示体及び印刷物
DE102007015934B4 (de) * 2007-04-02 2021-04-01 Bundesdruckerei Gmbh Dokument mit einem Sicherheitsmerkmal, Lesegerät und Verfahren zum Lesen eines Sicherheitsmerkmals
CN101743130B (zh) 2007-05-14 2013-10-02 国际先端技术综合研究所株式会社 真伪认证对象物、真伪认证芯片读取装置以及真伪判定方法
CN101688933B (zh) 2007-09-28 2012-01-11 凸版印刷株式会社 显示体及带标签物品
JP4978403B2 (ja) * 2007-09-28 2012-07-18 凸版印刷株式会社 光学素子、ラベル付き物品、光学キット及び判別方法
JP2010078821A (ja) * 2008-09-25 2010-04-08 Toppan Printing Co Ltd 表示体、粘着ラベル及びラベル付き物品
US8253536B2 (en) * 2009-04-22 2012-08-28 Simon Fraser University Security document with electroactive polymer power source and nano-optical display
EP2447744B1 (en) * 2010-11-01 2021-03-31 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Pixelated optical filter and method for the manufacturing thereof
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Also Published As

Publication number Publication date
CN114450606A (zh) 2022-05-06
JP7509149B2 (ja) 2024-07-02
CN114450606B (zh) 2024-05-07
EP4036616A4 (en) 2023-10-04
KR20220063259A (ko) 2022-05-17
US20220215215A1 (en) 2022-07-07
JPWO2021060543A1 (https=) 2021-04-01
EP4467354A3 (en) 2025-02-26
EP4467354A2 (en) 2024-11-27
US11977938B2 (en) 2024-05-07
EP4036616A1 (en) 2022-08-03
WO2021060543A1 (ja) 2021-04-01
EP4036616B1 (en) 2024-10-16

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