ATE500527T1 - Doppelbrechender film und seine verwendung - Google Patents

Doppelbrechender film und seine verwendung

Info

Publication number
ATE500527T1
ATE500527T1 AT03000032T AT03000032T ATE500527T1 AT E500527 T1 ATE500527 T1 AT E500527T1 AT 03000032 T AT03000032 T AT 03000032T AT 03000032 T AT03000032 T AT 03000032T AT E500527 T1 ATE500527 T1 AT E500527T1
Authority
AT
Austria
Prior art keywords
film
bibreaking
birefringent
birefringent film
authentification
Prior art date
Application number
AT03000032T
Other languages
English (en)
Inventor
Robert Hammond-Smith
John Patrick
Donal Gordon Graham
Original Assignee
Merck Patent Gmbh
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 Merck Patent Gmbh filed Critical Merck Patent Gmbh
Application granted granted Critical
Publication of ATE500527T1 publication Critical patent/ATE500527T1/de

Links

Classifications

    • 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
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • 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
    • 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
    • B42D25/355—Security threads
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal elements
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Credit Cards Or The Like (AREA)
  • Liquid Crystal (AREA)
  • Laminated Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
AT03000032T 2002-02-06 2003-01-07 Doppelbrechender film und seine verwendung ATE500527T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02002007 2002-02-06

Publications (1)

Publication Number Publication Date
ATE500527T1 true ATE500527T1 (de) 2011-03-15

Family

ID=27838013

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03000032T ATE500527T1 (de) 2002-02-06 2003-01-07 Doppelbrechender film und seine verwendung

Country Status (4)

Country Link
US (1) US6924861B2 (de)
JP (1) JP2003279750A (de)
AT (1) ATE500527T1 (de)
DE (1) DE60336184D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60214153T2 (de) * 2001-04-24 2007-07-12 Merck Patent Gmbh Doppelbrechende markierung
EP1549977A1 (de) * 2002-09-11 2005-07-06 MERCK PATENT GmbH Doppelbrechende markierung
KR20050108351A (ko) * 2003-02-12 2005-11-16 니폰 가야꾸 가부시끼가이샤 수직 배향용 기판 및 수직 배향 액정 위상차 필름의 제조방법
WO2005045485A1 (en) 2003-11-06 2005-05-19 Koninklijke Philips Electronics N.V. Dichroic guest-host polarizer comprising an oriented polymer film
US7477389B2 (en) * 2004-01-28 2009-01-13 Pamela Saha Deformable photoelastic device
US10539813B2 (en) 2004-01-28 2020-01-21 Pamela Saha Deformable photoelastic device
EP1810211A4 (de) * 2004-08-23 2009-10-21 Mehdi Talwerdi Vorrichtung und verfahren zur sicheren identifikation von sicherheitsmerkmalen in wertgegenständen
JP2006142599A (ja) * 2004-11-18 2006-06-08 Toppan Printing Co Ltd 液晶積層複合体とその製造方法
JP2007094324A (ja) * 2005-09-30 2007-04-12 Dainippon Ink & Chem Inc 光学異方体及びその製造方法
ATE425236T1 (de) * 2005-12-10 2009-03-15 Merck Patent Gmbh Polymerfilm aus flüssigkristall mit verbesserter stabilität
DE102007048235A1 (de) * 2006-12-04 2008-06-05 Giesecke & Devrient Gmbh Sicherheitselement mit motivbildender Flüssigkristallschicht
DE102007000873A1 (de) * 2007-11-12 2009-06-04 Bundesdruckerei Gmbh Dokument mit einer integrierten Anzeigevorrichtung
US8982462B2 (en) 2008-12-22 2015-03-17 3M Innovative Properties Company Multilayer optical films having side-by-side mirror/polarizer zones
JP5318560B2 (ja) * 2008-12-26 2013-10-16 富士フイルム株式会社 複屈折パターンを有する包装材
UA84687U (en) * 2013-05-16 2013-10-25 Общество С Ограниченной Ответственностью «Специализированное Предприятие «Голография» Security element
JP6080884B2 (ja) 2014-03-28 2017-02-15 富士フイルム株式会社 重合性化合物、ポリマー、重合性組成物、フィルム、および投映像表示用ハーフミラー
CN106573870B (zh) 2014-09-05 2020-01-10 富士胶片株式会社 聚合性化合物、聚合物、聚合性组合物及薄膜
JP6343349B2 (ja) 2014-09-25 2018-06-13 富士フイルム株式会社 重合性化合物を含む重合性組成物、フィルム、および投映像表示用ハーフミラー
US9678384B2 (en) * 2014-10-20 2017-06-13 Fujifilm Corporation Retardation film, composition, method of manufacturing retardation film, polarizing plate and liquid crystal display device
JP6553708B2 (ja) 2015-03-12 2019-07-31 富士フイルム株式会社 重合性組成物、フィルム、および投映像表示用ハーフミラー
WO2017214496A1 (en) * 2016-06-10 2017-12-14 University Of Virginia Patent Foundation Port apparatus and sheath device for electrocautery and related methods thereof
US11084982B2 (en) * 2016-06-10 2021-08-10 University Of Pittsburgh-Of The Commonwealth System Of Higher Education Optically transparent polymeric actuator and display apparatus employing same
GB2568760A (en) * 2017-11-28 2019-05-29 De La Rue Int Ltd Security devices and methods of manufacture therefor
CN114981693B (zh) * 2020-01-31 2025-02-25 日本瑞翁株式会社 识别介质、物品以及识别介质的使用方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0261712A1 (de) 1986-09-04 1988-03-30 Koninklijke Philips Electronics N.V. Bildanzeigezelle, Verfahren zur Herstellung einer orientierenden Schicht über ein Substrat dieser Bildanzeigezelle und Monomer-Verbindung für ihre Anwendung als orientierende Schicht
NL8901167A (nl) 1989-05-10 1990-12-03 Philips Nv Methode voor de vervaardiging van een polarisatiefilter, een aldus verkregen polarisatiefilter en een display dat voorzien is van het polarisatiefilter.
WO1993022397A1 (en) 1992-04-27 1993-11-11 Merck Patent Gmbh Electrooptical liquid crystal system
US6160597A (en) * 1993-02-17 2000-12-12 Rolic Ag Optical component and method of manufacture
GB2280445B (en) 1993-07-05 1998-02-11 Merck Patent Gmbh Liquid crystalline copolymer
DE4405316A1 (de) 1994-02-19 1995-08-24 Basf Ag Neue polymerisierbare flüssigkristalline Verbindungen
US5670083A (en) * 1994-02-23 1997-09-23 Fuji Xerox Co., Ltd. Optical element and process for producing the same
DE19504224A1 (de) 1994-02-23 1995-08-24 Merck Patent Gmbh Flüssigkristallines Material
DE4408171A1 (de) 1994-03-11 1995-09-14 Basf Ag Neue polymerisierbare flüssigkristalline Verbindungen
US5619352A (en) * 1994-04-04 1997-04-08 Rockwell International Corporation LCD splay/twist compensator having varying tilt and /or azimuthal angles for improved gray scale performance
EP0689065B1 (de) * 1994-06-24 2001-06-27 Rolic AG Optisches Bauelement
WO1997044702A1 (en) * 1996-05-17 1997-11-27 Philips Electronics N.V. Compensator, liquid-crystal display device and retardation foil
TW472081B (en) * 1996-09-17 2002-01-11 Merck Patent Gmbh Optical retardation film
JP4508299B2 (ja) 1997-04-14 2010-07-21 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツング ホメオトロピック配向液晶層およびプラスティック基板上に液晶をホメオトロピック配向させる方法
GB2328180B (en) 1997-08-14 2001-08-01 Thomas De La Rue Ltd Security device
DE19841343A1 (de) 1997-09-17 1999-03-18 Merck Patent Gmbh Polymerfilm
US6496287B1 (en) * 1998-04-09 2002-12-17 Rolic Ag Optical identification element
GB9811579D0 (en) * 1998-05-30 1998-07-29 Sharp Kk Surface mode liquid crystal device
TW394852B (en) * 1998-08-26 2000-06-21 Merck Patent Gmbh Reflective film
GB2357061B (en) 1999-12-08 2003-09-17 Merck Patent Gmbh Hot stamping foils
WO2004042469A2 (en) * 2002-10-30 2004-05-21 Colorlink, Inc. Oblique plate compensators for projection display systems

Also Published As

Publication number Publication date
US20030178609A1 (en) 2003-09-25
JP2003279750A (ja) 2003-10-02
US6924861B2 (en) 2005-08-02
DE60336184D1 (de) 2011-04-14

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties