DE102014117877A1 - Sicherheitselement - Google Patents

Sicherheitselement Download PDF

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Publication number
DE102014117877A1
DE102014117877A1 DE102014117877.7A DE102014117877A DE102014117877A1 DE 102014117877 A1 DE102014117877 A1 DE 102014117877A1 DE 102014117877 A DE102014117877 A DE 102014117877A DE 102014117877 A1 DE102014117877 A1 DE 102014117877A1
Authority
DE
Germany
Prior art keywords
layer
security element
dye molecules
optical effect
rod
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.)
Withdrawn
Application number
DE102014117877.7A
Other languages
German (de)
English (en)
Inventor
Wayne Robert Tompkin
Harald Walter
Rainer Stahl
Rouven Spiess
René Staub
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OVD Kinegram AG
Leonhard Kurz Stiftung and Co KG
Original Assignee
OVD Kinegram AG
Leonhard Kurz Stiftung and Co KG
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 by OVD Kinegram AG, Leonhard Kurz Stiftung and Co KG filed Critical OVD Kinegram AG
Priority to DE102014117877.7A priority Critical patent/DE102014117877A1/de
Priority to EP15813711.7A priority patent/EP3227122B1/de
Priority to CA2965234A priority patent/CA2965234A1/en
Priority to PCT/EP2015/078279 priority patent/WO2016087485A1/de
Priority to US15/527,569 priority patent/US10759212B2/en
Priority to JP2017529655A priority patent/JP2017536582A/ja
Priority to CN201580066242.3A priority patent/CN107000464A/zh
Priority to KR1020177018331A priority patent/KR20170091718A/ko
Priority to ES15813711T priority patent/ES2787216T3/es
Publication of DE102014117877A1 publication Critical patent/DE102014117877A1/de
Withdrawn legal-status Critical Current

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    • 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
    • B42D25/324Reliefs
    • 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
    • B42D25/328Diffraction gratings; Holograms
    • 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
    • B42D25/351Translucent or partly translucent parts, e.g. windows
    • 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
    • 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
    • B42D25/378Special inks
    • 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
    • B42D25/378Special inks
    • B42D25/391Special inks absorbing or reflecting polarised light
    • 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
    • B42D25/40Manufacture
    • B42D25/405Marking
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1334Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504Diffusing, scattering, diffracting elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/13439Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005Adaptation of holography to specific applications
    • G03H1/0011Adaptation of holography to specific applications for security or authentication
    • 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
    • B42D25/20Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/23Identity cards
    • 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
    • B42D25/20Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29Securities; Bank notes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2202/00Materials and properties
    • G02F2202/04Materials and properties dye

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Dispersion Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Computer Security & Cryptography (AREA)
  • Credit Cards Or The Like (AREA)
  • Polarising Elements (AREA)
DE102014117877.7A 2014-12-04 2014-12-04 Sicherheitselement Withdrawn DE102014117877A1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE102014117877.7A DE102014117877A1 (de) 2014-12-04 2014-12-04 Sicherheitselement
EP15813711.7A EP3227122B1 (de) 2014-12-04 2015-12-02 Sicherheitselement
CA2965234A CA2965234A1 (en) 2014-12-04 2015-12-02 Security element
PCT/EP2015/078279 WO2016087485A1 (de) 2014-12-04 2015-12-02 Sicherheitselement
US15/527,569 US10759212B2 (en) 2014-12-04 2015-12-02 Security element
JP2017529655A JP2017536582A (ja) 2014-12-04 2015-12-02 セキュリティエレメント
CN201580066242.3A CN107000464A (zh) 2014-12-04 2015-12-02 安全元件
KR1020177018331A KR20170091718A (ko) 2014-12-04 2015-12-02 보안 요소
ES15813711T ES2787216T3 (es) 2014-12-04 2015-12-02 Elemento de seguridad

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014117877.7A DE102014117877A1 (de) 2014-12-04 2014-12-04 Sicherheitselement

Publications (1)

Publication Number Publication Date
DE102014117877A1 true DE102014117877A1 (de) 2016-06-23

Family

ID=54979629

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102014117877.7A Withdrawn DE102014117877A1 (de) 2014-12-04 2014-12-04 Sicherheitselement

Country Status (9)

Country Link
US (1) US10759212B2 (https=)
EP (1) EP3227122B1 (https=)
JP (1) JP2017536582A (https=)
KR (1) KR20170091718A (https=)
CN (1) CN107000464A (https=)
CA (1) CA2965234A1 (https=)
DE (1) DE102014117877A1 (https=)
ES (1) ES2787216T3 (https=)
WO (1) WO2016087485A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3366487A1 (de) * 2017-02-23 2018-08-29 Giesecke+Devrient Currency Technology GmbH Sicherheitselement mit pdlc-folie
DE102021001019A1 (de) 2021-02-25 2022-08-25 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement, Datenträger und Herstellungsverfahren
DE102024131191A1 (de) * 2024-10-25 2026-04-30 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit motivbildender Flüssigkristallschicht
DE102024131190A1 (de) * 2024-10-25 2026-04-30 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit motivbildender Flüssigkristallschicht

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2017437685A1 (en) * 2017-10-31 2020-04-30 Alise Devices, S.L. Method for manufacturing personalised optical document security elements and the element obtained
DE102018103236A1 (de) * 2018-02-14 2019-08-14 Leonhard Kurz Stiftung & Co. Kg Sicherheitselement und Verfahren zur Herstellung eines Sicherheitselements
CN112305825B (zh) * 2019-08-01 2022-04-15 京东方科技集团股份有限公司 液晶复合材料、光切换器件、显示装置及其制作方法
KR102279480B1 (ko) * 2019-12-18 2021-07-19 엘지디스플레이 주식회사 프라이버시 필름 및 이를 포함하는 표시장치
US11577540B2 (en) 2020-05-29 2023-02-14 Capital One Services, Llc Financial card with dynamic viewing angles to block card information
WO2021255762A1 (en) * 2020-06-20 2021-12-23 Shilpan Pravinchandra Patel Graphene based security thread, methods of manufacturing the same and application thereof.
JP2022129507A (ja) * 2021-02-25 2022-09-06 日東電工株式会社 加飾フィルム
KR20240130199A (ko) * 2023-02-21 2024-08-29 동우 화인켐 주식회사 투과율 가변 광학 적층체 및 이의 제조방법과, 이를 포함하는 스마트 윈도우
KR20240133387A (ko) * 2023-02-28 2024-09-04 동우 화인켐 주식회사 광학 적층체 및 이의 제조방법과, 이를 포함하는 스마트 윈도우 및 이를 적용한 자동차 또는 건물용 창호
CN119148421B (zh) * 2024-09-18 2025-09-02 北京大学 一种具有智能信息加密功能的液晶薄膜及其制备方法和应用

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998036376A1 (en) * 1997-02-18 1998-08-20 Spectra Science Corporation Field activated security thread including polymer dispersed liquid crystal
EP0634732B1 (fr) * 1993-07-16 1999-08-25 Idmatics S.A. Carte souple équipée d'un dispositif de contrÔle de validité
US20020005434A1 (en) * 2000-06-20 2002-01-17 Teruo Murakami Information recording medium, reproduction method, and discrimination method
US20070218216A1 (en) * 2006-03-17 2007-09-20 Fujifilm Corporation Light modulating material
US20080292817A1 (en) * 2007-05-24 2008-11-27 Koji Takaku Liquid crystal composition, liquid crystal element, reflective display material, light-controlling material, and method of preparing liquid crystal composition
WO2009043482A1 (de) * 2007-10-06 2009-04-09 Leonhard Kurz Stiftung & Co. Kg Sicherheitselement zur kennzeichnung eines sicherheitsdokuments und verfahren zu seiner herstellung
DE102011107421A1 (de) * 2011-07-07 2013-01-10 Leonhard Kurz Stiftung & Co. Kg Mehrschichtiger Folienkörper

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5445327A (en) 1989-07-27 1995-08-29 Hyperion Catalysis International, Inc. Process for preparing composite structures
EP0475117B1 (en) 1990-08-17 1996-11-20 Dainippon Ink And Chemicals, Inc. Liquid crystal device and process for producing the same
JP3195942B2 (ja) 1991-01-10 2001-08-06 大日本インキ化学工業株式会社 液晶デバイス
US5680185A (en) * 1990-11-26 1997-10-21 Seiko Epson Corporation Polymer dispersed liquid crystal (PDLC) display apparatus
IT1282574B1 (it) 1996-02-05 1998-03-31 Sniaricerche S C P A Resina termoindurente anisotropa chirale in cristalli liquidi stabilizzati con polimeri
JPH11142829A (ja) * 1997-09-08 1999-05-28 Asahi Chem Ind Co Ltd 液晶表示素子の製造法
JP2002019344A (ja) 2000-06-30 2002-01-23 Toshiba Corp 情報記録媒体、印刷物、及び再生装置
JP2003098541A (ja) 2001-09-26 2003-04-03 Citizen Watch Co Ltd 液晶パネルおよびそれを用いた液晶広告媒体
BR0318558A (pt) * 2003-10-22 2006-10-10 Avantone Oy método de um sistema difrativo de cores, sistema difrativo de cores, componente difrativo, e, produto contendo um ou mais efeitos de cor difrativamente produzidos
DE102005031448A1 (de) * 2005-07-04 2007-01-11 Polyic Gmbh & Co. Kg Aktivierbare optische Schicht
DE102007002385A1 (de) * 2007-01-10 2008-07-24 Bundesdruckerei Gmbh Dokument mit einem optischen Sender
WO2008110316A1 (en) * 2007-03-13 2008-09-18 Technische Universitei Eindhoven Polarization selective scattering security device and method for manufacturing the same
DE102007059550A1 (de) 2007-12-11 2009-06-25 Giesecke & Devrient Gmbh Optisch variables Sicherheitselement
DE102009033762A1 (de) 2009-07-17 2011-01-27 Leonhard Kurz Stiftung & Co. Kg Verfahren zur Herstellung eines Mehrschichtkörpers sowie Mehrschichtkörper
AU2010330331A1 (en) 2009-12-08 2012-06-07 Sicpa Holding Sa Chiral liquid crystal polymer marking
JP5440149B2 (ja) * 2009-12-18 2014-03-12 凸版印刷株式会社 画像表示体、ブランク媒体及び個人認証媒体
KR101720587B1 (ko) * 2010-08-11 2017-03-29 삼성전자주식회사 반사형 디스플레이 장치
US20140160540A1 (en) 2011-04-01 2014-06-12 Nhk Spring Co., Ltd. Identification medium
DE102011108477A1 (de) * 2011-07-25 2013-01-31 Giesecke & Devrient Gmbh Sicherheitselement mit Fenster im Substrat
DE102011117129A1 (de) 2011-10-28 2013-05-02 Leonhard Kurz Stiftung & Co. Kg Anzeigeeinrichtung
KR102241661B1 (ko) * 2013-02-20 2021-04-19 쓰리엠 이노베이티브 프로퍼티즈 컴파니 흡수, 반사 및 시준 편광기 스택과 이를 포함하는 백라이트
US10423023B2 (en) * 2014-02-26 2019-09-24 Lg Chem, Ltd. Method for preparing liquid crystal capsule

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634732B1 (fr) * 1993-07-16 1999-08-25 Idmatics S.A. Carte souple équipée d'un dispositif de contrÔle de validité
WO1998036376A1 (en) * 1997-02-18 1998-08-20 Spectra Science Corporation Field activated security thread including polymer dispersed liquid crystal
US20020005434A1 (en) * 2000-06-20 2002-01-17 Teruo Murakami Information recording medium, reproduction method, and discrimination method
US20070218216A1 (en) * 2006-03-17 2007-09-20 Fujifilm Corporation Light modulating material
US20080292817A1 (en) * 2007-05-24 2008-11-27 Koji Takaku Liquid crystal composition, liquid crystal element, reflective display material, light-controlling material, and method of preparing liquid crystal composition
WO2009043482A1 (de) * 2007-10-06 2009-04-09 Leonhard Kurz Stiftung & Co. Kg Sicherheitselement zur kennzeichnung eines sicherheitsdokuments und verfahren zu seiner herstellung
DE102011107421A1 (de) * 2011-07-07 2013-01-10 Leonhard Kurz Stiftung & Co. Kg Mehrschichtiger Folienkörper

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3366487A1 (de) * 2017-02-23 2018-08-29 Giesecke+Devrient Currency Technology GmbH Sicherheitselement mit pdlc-folie
DE102021001019A1 (de) 2021-02-25 2022-08-25 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement, Datenträger und Herstellungsverfahren
DE102024131191A1 (de) * 2024-10-25 2026-04-30 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit motivbildender Flüssigkristallschicht
DE102024131190A1 (de) * 2024-10-25 2026-04-30 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit motivbildender Flüssigkristallschicht

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JP2017536582A (ja) 2017-12-07
CN107000464A (zh) 2017-08-01
KR20170091718A (ko) 2017-08-09
EP3227122B1 (de) 2020-04-08
US20180134065A1 (en) 2018-05-17
WO2016087485A1 (de) 2016-06-09
CA2965234A1 (en) 2016-06-09
ES2787216T3 (es) 2020-10-15
EP3227122A1 (de) 2017-10-11
US10759212B2 (en) 2020-09-01

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