WO2004086315A1 - Marque de securite comportant une diode electroluminescente - Google Patents

Marque de securite comportant une diode electroluminescente Download PDF

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Publication number
WO2004086315A1
WO2004086315A1 PCT/EP2004/001623 EP2004001623W WO2004086315A1 WO 2004086315 A1 WO2004086315 A1 WO 2004086315A1 EP 2004001623 W EP2004001623 W EP 2004001623W WO 2004086315 A1 WO2004086315 A1 WO 2004086315A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
emitting diodes
security feature
product according
feature element
Prior art date
Application number
PCT/EP2004/001623
Other languages
German (de)
English (en)
Other versions
WO2004086315A8 (fr
Inventor
Christoph Brabec
Georg Wittmann
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP04712538A priority Critical patent/EP1609121A1/fr
Publication of WO2004086315A1 publication Critical patent/WO2004086315A1/fr
Publication of WO2004086315A8 publication Critical patent/WO2004086315A8/fr

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/01—Testing electronic circuits therein
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
    • H10K30/50—Photovoltaic [PV] devices

Definitions

  • Known valuable and security products contain a wide variety of security features, which are realized by various elements arranged on and / or in the valuable and security products, such as watermarks.
  • the object of the invention is to be able to implement a new security feature.
  • the security feature should be particularly easy to customize.
  • a product has a
  • Security feature element in particular for authentication of the product, with a light-emitting diode (LED, light-emitting diode).
  • LED light-emitting diode
  • the light emitting diode is preferably an organic light emitting diode.
  • the semiconductor in particular is an organic semiconductor.
  • other components of the organic light-emitting diode, such as the electrodes, can be made of organic material. The use of an organic light-emitting diode results in the advantage that the light-emitting diode can be produced in a semi-transparent manner and / or using printing technology.
  • the light-emitting diode can be operated by means of a battery arranged, for example, on or in the product respectively. However, it is particularly favorable if the product has a converter in order to convert ambient energy into electrical energy for the operation of the light-emitting diode of the security feature element.
  • the converter is preferably a solar cell, in particular an organic solar cell. Such an organic solar cell in particular can be realized very cheaply using thin-film technology, in particular printing. An organic solar cell can also be produced integrated with the light-emitting diode of the security feature element.
  • Safety can be further increased if the product has a sensor, in particular a sensor for
  • Environmental influences with which the operation of the light-emitting diode of the security feature element can be influenced are, for example, photo detectors, in particular for UV light, temperature sensors and / or
  • the security feature element is preferably at least partially transparent and / or semi-transparent.
  • the light-emitting diode is transparent and / or semi-transparent. In this way, the security feature element can be hidden particularly well on the product.
  • a hidden security feature can therefore be realized, which is only perceptible when the light-emitting diode is in operation.
  • the product can consist of the security feature element.
  • the security feature element it is also possible for the security feature element to belong to a product in the form of a value and / or security product, in particular to a value and / or security document such as a bank note, a check form, a share, a personal document, a credit and / or check card, identification document and the like.
  • the security feature element preferably has a
  • a plurality or even a large number of light-emitting diodes each of which can have the properties mentioned above.
  • the large number of light-emitting diodes can be distributed in a specific pattern on the product.
  • the use of light-emitting diodes of different colors is also advantageous.
  • the light-emitting diodes can also be arranged and connected in an array, which enables particularly simple control.
  • Security feature element a corresponding coding can be stamped or imprinted. This can be achieved in the case of a security feature element with a large number of LEDs by changing and / or changing light-emitting diodes belonging to a selection from the large number of light-emitting diodes.
  • the change in the light-emitting diodes belonging to a selection from the large number of light-emitting diodes can already be carried out during the manufacture of the product and / or of the security feature element. Alternatively or in addition, it is also possible to provide the change later by a user.
  • the light-emitting diodes belonging to the selection are preferably changed and / or changeable by being deactivated and / or deactivated, in particular by destruction. If the deactivation is irreversible, this contributes to increased security, since the light-emitting diode cannot be put back into operation without authorization.
  • the light-emitting diodes can be modified or destroyed, for example, by suitable thermal action.
  • the light-emitting diodes belonging to the selection are advantageously changed and / or changeable by applying suitable current / voltage conditions.
  • the supply lines to the light-emitting diodes, which are already present, can be used inexpensively and only need to be electrically contacted accordingly.
  • Light-emitting diodes belonging to light-emitting diodes are therefore preferably used with the same contacts that would also be used to make these light-emitting diodes shine.
  • the light-emitting diodes belonging to the selection are therefore preferably changed such that the change is only visible during operation of the light-emitting diodes, and is invisible when the light-emitting diodes are switched off. So you can find a hidden one Realize security feature.
  • the light-emitting diodes belonging to the selection can be changed and / or changed by applying, for example, a short current pulse at a reverse voltage.
  • the reverse voltage can be, for example, -5 V to -20 V.
  • a device for individualizing a security feature element which has a multiplicity of light-emitting diodes, has corresponding means for this and is set up accordingly.
  • Advantageous configurations of the device result from the advantageous configurations of the product.
  • Security feature element with a plurality of LEDs are changed for a selection of the plurality of light-emitting diodes light-emitting diodes.
  • Advantageous refinements of the method result analogously to the advantageous refinements of the product.
  • 1 shows a value product with a security feature element.
  • FIG. 1 shows a value product 1 in the form of a bank note which has a security feature element 2 which contains light-emitting diodes 21, 22 which are arranged in a field in two rows one below the other.
  • the light-emitting diodes 21 arranged in the upper row are deactivated by applying a reverse voltage. As long as none of the light-emitting diodes is in operation, the deactivation of the light-emitting diodes 21 of the upper row is invisible, that is to say, it is visible to an observer no difference between the deactivated light-emitting diodes 21 of the upper row and the light-emitting diodes 22 of the lower row is visible.
  • the energy required for the operation of the light-emitting diodes is converted by an organic solar cell 3, which is integrated with the security feature element 2 and is constructed in thin-film technology. If light now strikes the organic solar cell 3, only the light-emitting diodes 22 of the lower row light up in the individualized security feature element 2 as described above, while the light-emitting diodes 21 of the upper row continue to be deactivated. For example, a country code or a year of manufacture can be stamped on a euro bill.
  • security feature elements can, for example, also be applied to bottles, packaging, clothes etc. or be integrated therein.
  • security feature elements based on organic electronics provide active security features in which information to be coded can be individually matched to each product, in particular document.
  • one exemplary embodiment is a combination of an organic solar cell with one or more organic light-emitting diodes, the combination of the luminous pixels, ie the light-emitting diodes, containing the coded information.
  • Polymer solar cells and polymer displays made of or with light-emitting diodes or organic solar cells can be produced inexpensively by conventional printing processes or more complexly by PVD processes on a wide variety of substrates such as foils, glass, sheets, paper, etc. It is possible to use both the solar cell and the display Light emitting diodes, semi-transparent or completely absorbent. These two applications thus meet all the requirements for hidden integration into a security document.
  • the products mentioned are semitransparent, they can be applied over any lettering, logo, photo, image, etc., so that they cannot be recognized as security features.
  • An organic thin-film display made of light-emitting diodes with an organic solar cell can therefore be used as a hidden security feature.
  • a solar cell can operate a combination of light-emitting diodes. Both the arrangement and the color of the individual light-emitting diodes provide the security feature that represents the coded information.
  • the coded information is only stamped on the end user via PC.
  • the embossing can be carried out in such a way that it leaves no visible traces, so the security feature is still hidden.
  • the stamping can also be carried out in such a way that the other components, such as organic ones, required for the operation of the security feature element
  • an individual sequence of light-emitting diodes from a high-resolution diode array is encoded and activated by deactivating the other pixels in the form of light-emitting diodes.
  • the array can have 100 x 10 pixels in the form of light-emitting diodes.
  • Pixels in the form of light-emitting diodes provide more than 10 ⁇ 2 coding options.
  • the active security feature elements based on organic light-emitting diode arrays are easy to check, unambiguously recognizable and difficult to forge, and they exert a visual stimulus for the observer in the case of a certain environmental influence, for example when intense light is irradiated.
  • the security feature element results in an intelligent, active security feature that is not obvious and more and more over the next few years Will gain importance in the document market and in the chip card market. All requirements for such a security feature are met:

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

L'invention concerne un produit comprenant un élément de type marque de sécurité qui est pourvu d'une diode électroluminescente.
PCT/EP2004/001623 2003-03-28 2004-02-19 Marque de securite comportant une diode electroluminescente WO2004086315A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04712538A EP1609121A1 (fr) 2003-03-28 2004-02-19 Marque de securite comportant une diode electroluminescente

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10314162A DE10314162A1 (de) 2003-03-28 2003-03-28 Sicherheitsmerkmal mit einer Licht emittierenden Diode
DE10314162.6 2003-03-28

Publications (2)

Publication Number Publication Date
WO2004086315A1 true WO2004086315A1 (fr) 2004-10-07
WO2004086315A8 WO2004086315A8 (fr) 2004-12-23

Family

ID=33038797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/001623 WO2004086315A1 (fr) 2003-03-28 2004-02-19 Marque de securite comportant une diode electroluminescente

Country Status (3)

Country Link
EP (1) EP1609121A1 (fr)
DE (1) DE10314162A1 (fr)
WO (1) WO2004086315A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007003237A1 (fr) * 2005-06-30 2007-01-11 Bundesdruckerei Gmbh Document de securite ayant un circuit integre et un systeme d'affichage
WO2009062860A1 (fr) 2007-11-12 2009-05-22 Bundesdruckerei Gmbh Document avec un dispositif d'affichage intégré, procédé de fabrication d'un document, et appareil de lecture
DE102007000873A1 (de) * 2007-11-12 2009-06-04 Bundesdruckerei Gmbh Dokument mit einer integrierten Anzeigevorrichtung
US8243356B2 (en) 2007-05-04 2012-08-14 De La Rue International Limited Security document circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006043119A1 (de) * 2006-09-08 2008-03-27 Bundesdruckerei Gmbh Sicherheits- und/oder Wertdokument mit einem Typ II Halbleiterkontaktsystem
DE102016116132A1 (de) 2016-08-30 2018-03-01 Osram Oled Gmbh Optoelektronisches Bauelement und Verfahren zum Herstellen desselben

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773944A (en) * 1987-09-08 1988-09-27 Energy Conversion Devices, Inc. Large area, low voltage, high current photovoltaic modules and method of fabricating same
US4913744A (en) * 1987-01-13 1990-04-03 Helmut Hoegl Solar cell arrangement
US20020140557A1 (en) * 2001-03-28 2002-10-03 Inksure Rf Inc. Chipless RF tags

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20200358U1 (de) * 2002-01-10 2003-05-22 Bundesdruckerei Gmbh Rechts Un Wert- oder Sicherheitsdokument mit LED-Elementen
US20050116048A1 (en) * 2002-01-10 2005-06-02 Dieter Sauter Valuable document or security document comprising a switch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913744A (en) * 1987-01-13 1990-04-03 Helmut Hoegl Solar cell arrangement
US4773944A (en) * 1987-09-08 1988-09-27 Energy Conversion Devices, Inc. Large area, low voltage, high current photovoltaic modules and method of fabricating same
US20020140557A1 (en) * 2001-03-28 2002-10-03 Inksure Rf Inc. Chipless RF tags
WO2002080093A2 (fr) * 2001-03-28 2002-10-10 Inksure Rf Inc. Etiquette radiofrequence sans puce

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1609121A1 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007003237A1 (fr) * 2005-06-30 2007-01-11 Bundesdruckerei Gmbh Document de securite ayant un circuit integre et un systeme d'affichage
US8243356B2 (en) 2007-05-04 2012-08-14 De La Rue International Limited Security document circuit
WO2009062860A1 (fr) 2007-11-12 2009-05-22 Bundesdruckerei Gmbh Document avec un dispositif d'affichage intégré, procédé de fabrication d'un document, et appareil de lecture
DE102007000873A1 (de) * 2007-11-12 2009-06-04 Bundesdruckerei Gmbh Dokument mit einer integrierten Anzeigevorrichtung
EP2838055A3 (fr) * 2007-11-12 2015-03-25 Bundesdruckerei GmbH Document doté d'un dispositif d'affichage intégré, procédé de fabrication d'un document et appareil de lecture

Also Published As

Publication number Publication date
DE10314162A1 (de) 2004-12-16
EP1609121A1 (fr) 2005-12-28
WO2004086315A8 (fr) 2004-12-23

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