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
  • B42D25/20—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
• • 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
• • B42D2033/26—
• • B42D2033/46—

Definitions

• Security document comprising electronic security means
• the present invention relates to a security document, particularly a banknote comprising on-board electric power supply means for driving a new class of electronic security means utilizing on-board power supply.
• banknotes for example banknotes, passports, identity cards, checks, stocks, bonds etc.
• banknotes for example banknotes, passports, identity cards, checks, stocks, bonds etc.
• banknotes The identification and authentication of banknotes is a long-standing problem.
• security means for banknotes have been developed and are being developed to allow users and/or machines to discriminate between genuine and forged banknotes and/or to discriminate among different values of banknotes.
• Photovoltaic cells have been known since the 19 th Century and found numerous applications in a wide field of electric devices, particularly consumer products such as electronic calculators, watches etc, as well as aerospace applications, notably in satellites for instrument power.
• the security document particularly the banknote, comprises an on-board electrical power supply.
• the advantage of having an on-board power supply is that all means using an on-board power supply can be considered as new electronic security means, which have appropriate functions allowing users and/or machines to discriminate between genuine and counterfeited banknotes and/or to discriminate among different values of banknotes.
• electronic security means are defined as electronic means using electric energy provided by an on-board power supply, without utilizing an external power supply, and allowing users and/or machines to discriminate between genuine and counterfeited banknotes and/or to discriminate among different values of banknotes without utilizing an external power supply.
• the new class of electronic security means using electric energy of an on-board power supply basically allows an identification and/or authentication of the banknote by the user without utilizing an external apparatus.
• the electronic security means using electric energy comprises means for displaying predetermined data allowing users an identification and/or authentication of the banknote without utilizing an external reader device.
• the electronic security means is a means, particularly an integrated circuit (IC) capable of storing and emitting predetermined data in a non-contacting manner for the identification and/or authentication of the banknote.
• IC integrated circuit
• chips to be integrated into the banknote are described in DE-A-196 30 648 and DE-A-196 01 358. These chips, however, make use of an external reader/writer device, but only for communication and not for energising.
• Some examples of electronic security means that can be used in combination with the on-board power supply means are means comprising a microchip, electroluminescent material, electro-active polymers/materials, light-emitting diodes, light-emitting polymers and polymeric electronic displays.
• the banknote substrate can be produced of paper, plastic/polymer, elemental metallic/metallic alloy foils or a mix composite of two or more of the mentioned substrate-type materials.
• the on-board power supply means is a photovoltaic (PN) cell means.
• Photovoltage may be defined as the conversion of light energy to electrical voltage by a material.
• the photovoltaic cell can function under normal white light of the electromagnetic spectrum but can also be tailor- made to work apart from normal white light at some other specific wavelengths of the electromagnetic spectrum.
• photovoltaic cells are not only capable as suitable power supply means for electric and electronic devices, such as electronic calculators etc., but that also a security document, particularly a banknote, can be provided with a photovoltaic cell as an on-board power supply to have the above advantages.
• the photovoltaic cell enables generation and supply of electrical power, which is self-generating and self-sustaining.
• the photovoltaic cell composition can be prepared by those skilled in the art of PN cell research, development and production.
• the photovoltaic cells can be made of single crystalline or multicrystalline silicon, amorphous silicon, CuInSe2 and its alloys, CdTe and its alloys, polymer sandwiched between different contacts (e.g. Al and ITO) for collecting a short-circuit photocurrent, etc., for example, in "thin-film" PN cell technology.
• a thin-film photovoltaic cell is incorporated into the banknote, which is thinner and lighter than other PN cells since they require less semiconductor material.
• Thin- film PN cells have been commercially available for many years. An important advantage of thin-film PN cells is that they can be created on flexible surfaces. Therefore, in the case that the banknote itself is made of flexible material, even a relative large surface of the banknote can be provided with the PN cell without decreasing the flexible properties of the banknote.
• the photovoltaic cell means is directly applied on the surface of the front and/or reverse side of the security document, for example by hot stamping as a stripe or a patch.
• Hot stamping is a generally known dry printing method in which a heated die and foil are used to apply graphics to a part.
• the photovoltaic cell can also be applied by other printing technology (e. g. ink- jet, offset, screen, etc.) onto the banknote surfaces as a solid area.
• Screen printing is a known method to produce plastic PV cells (Shaheen, S. E., Radspinner, R., Peyghambarian, N. & Jabbour, G. E. Fabrication of bulk heterojunction plastic solar cells by screen printing. Applied Physics Letters, 79, 2996 - 2998, (2001)).
• the photovoltaic cell is integrated into a graphical design printing of the substrate means of the banknote so that the cell does not become apparent at once.
• the photovoltaic cell means is embedded into a substrate means of the banknote, which has transparency properties.
• Substrate means having transparent properties are, for example, polymer substrate means.
• the photovoltaic cell can be part of or integrated into the security thread or the hologram of the banknote.
• FIG. 1 is a schematic view of a first embodiment of a banknote comprising a photovoltaic cell on its front side
• FIG. 2 is a schematic cross sectional view of the banknote of FIG. 1
• FIG. 3 is a schematic cross sectional view of a second embodiment of the banknote comprising a photovoltaic cell embedded into the substrate of the banknote.
• FIG. 1 shows a schematic view of the front side of a banknote according to the invention.
• the banknote comprises a substrate 1 made of flexible material.
• a graphical design printing 2 is provided on the front and reverse side of the substrate.
• the banknote comprises a security thread 3 made of a metal strip and a hologram 4.
• an electronic security device for providing predetermined data in a non-contacting manner for example an integrated circuit (IC)
• a display means for indicating predetermined data for example a LCD display
• a security device which can be integrated is, for example, described in EP-A-0 905 657, which is made part of the disclosure of the present specification.
• the security device and display means using electric energy are designated with the reference numbers 5 and 6.
• the on-board power supply 7 for both the IC 5 and the LCD display 6 is also applied on the front side of the substrate.
• the on-board power supply is a photovoltaic cell 7, preferably a thin- film PN cell created on a flexible carrier.
• the LCD display 6 should also be created on a flexible carrier.
• the photovoltaic cell and the LCD display are attached to the substrate preferably via flexible adhesive layers 8.
• the cell and/or the display are provided on non-flexible carriers and the substrate of the banknote is made of flexible material the cell and the display should be attached on non-flexible adhesive layers, respectively.
• FIG. 3 is an alternative embodiment of the banknote comprising the security device 5, the display means 6 and the on-board power supply 7 for driving the security device and the display means as well, which is a photovoltaic cell.
• This embodiment differs form the embodiment of FIG. 1 and 2 in that the substrate 1 of the banknote is made of transparent material and the photovoltaic cell and the LCD display means are integrated into the substrate to protect these devices from mechanical and chemical attacks.

Landscapes

• Business, Economics & Management (AREA)
• Accounting & Taxation (AREA)
• Finance (AREA)
• Credit Cards Or The Like (AREA)
• Burglar Alarm Systems (AREA)
• Lubrication Of Internal Combustion Engines (AREA)
• Electrophonic Musical Instruments (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=32338058

Family Applications (1)

Country Status (6)

Cited By (7)

Families Citing this family (9)

Citations (10)

• 2002
  • 2002-12-20 DE DE60218499T patent/DE60218499T2/de not_active Revoked
  • 2002-12-20 EP EP02028535A patent/EP1431062B1/de not_active Revoked
  • 2002-12-20 ES ES02028535T patent/ES2283502T3/es not_active Expired - Lifetime
  • 2002-12-20 AT AT02028535T patent/ATE355185T1/de not_active IP Right Cessation
• 2003
  • 2003-12-18 AU AU2003298201A patent/AU2003298201A1/en not_active Abandoned
  • 2003-12-18 WO PCT/EP2003/014478 patent/WO2004056583A1/en not_active Application Discontinuation

Patent Citations (10)

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