EP1003646A1 - Value and security product with a luminescent element - Google Patents
Value and security product with a luminescent elementInfo
- Publication number
- EP1003646A1 EP1003646A1 EP98943829A EP98943829A EP1003646A1 EP 1003646 A1 EP1003646 A1 EP 1003646A1 EP 98943829 A EP98943829 A EP 98943829A EP 98943829 A EP98943829 A EP 98943829A EP 1003646 A1 EP1003646 A1 EP 1003646A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- value
- security product
- product according
- layer
- luminescent
- 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.)
- Granted
Links
- 239000012876 carrier material Substances 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims abstract 2
- 230000005284 excitation Effects 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 2
- 229910001887 tin oxide Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 9
- 230000005670 electromagnetic radiation Effects 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 230000005672 electromagnetic field Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 239000000049 pigment Substances 0.000 description 7
- 238000007639 printing Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 238000013532 laser treatment Methods 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229920006289 polycarbonate film Polymers 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012799 electrically-conductive coating Substances 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 238000007646 gravure printing Methods 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005393 sonoluminescence Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000005390 triboluminescence Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B42D15/00—Printed matter of special format or style not otherwise provided for
-
- 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
- B42D25/305—Associated digital information
-
- 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
- B42D25/351—Translucent or partly translucent parts, e.g. windows
-
- 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
- B42D25/373—Metallic materials
-
- 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
- B42D25/378—Special inks
- B42D25/387—Special inks absorbing or reflecting ultraviolet light
Definitions
- the present invention relates to a value u. Security product with luminescent element according to the preamble of patent claim 1.
- DE 43 10 082 A1 presents electroluminescent films which are produced from inorganic (s), electroluminescent (s) pigment (s) and thermoplastic by means of extrusion or coextrusion. Basically, the extrusion or co-extrusion of such a system on security papers would be conceivable, but the graphic design options appear to be limited by the process logistics and the entire manufacturing process for the production of a security document and the necessary arrangements for checking the authenticity become very complex.
- DE 43 15 244 AI describes a method for producing an electroluminescent film using the sputtering technique. This method would also be conceivable in principle for the production of security documents, but such a production method represents an extremely high outlay with regard to the vacuum chambers required for this technology and is furthermore very difficult to integrate into a possible production process and also produces film layers by means of additional special coatings for the high mechanical requirements for security documents would have to be equipped.
- the invention is therefore based on the object of developing a value and security product of the type mentioned at the outset in such a way that an authenticity element with backlighting is created.
- the invention is characterized by the technical teaching of claim 1.
- An essential feature of the invention is that a self-illuminating arrangement in the form of a luminescent element is provided below a layer designed as an authenticity element, which is preferably illuminated by an electric field or by an electron source.
- This luminescent element serves as
- this backlighting layer is designed as an electroluminescent layer.
- a so-called electroluminescence system is thus used, in which an electric field is preferably built up laterally, that is to say over a large area, so that one advantage of this arrangement is that the entire build-up is only slightly applied to the carrier material.
- Electroluminescent layer consists of flat electrodes which are arranged one above the other, the electroluminescent layer then being arranged between the electrodes.
- a transparent, electrically conductive layer is required, which is achieved by means of so-called ITO pastes (indium tin oxides).
- ITO pastes indium tin oxides
- pre-coated transparent films or glasses typically, biaxially oriented and thermally stabilized polyester films are coated with vapor-conductive or sputter-coated, electrically conductive tin oxide, indium tin oxide (ITO), or, in general, transparent, electrically conductive, metallized surfaces with surface resistance values in the range of a few ohms / square for glass substrates and typically 20 ohms / square up to 300 ohms / square and above.
- High-quality electroluminescence systems require a uniform luminance and maximum luminous efficacy. Due to the high thermal loading capacity in coating processes, glass substrates generally offer a higher-quality solution with higher light transmission in the visible wavelength range and at the same time better Surface conductivity.
- the main advantage of the ITO pastes printing technology used according to the invention lies in the relatively simple application and the almost arbitrary graphic design options, which can be particularly advantageous in more complex systems with regard to the electrical connections.
- bus bars which are electrically conductive borders, are used in the invention. As a result, uniform electrical fields are achieved and thus a uniform luminance. Furthermore, the connection of the ITO electrode can be made functionally favorable with this technique and ultimately the ITO electrode layer thickness can be reduced to a minimum in favor of a higher transparency in the thickness. According to the invention, bus bars are printed using printing technology using silver, carbon, copper, etc. pastes, or a combination of these elements, and surface resistance values in the range of a few 10 milliohms / square are achieved.
- the invention comprises different embodiments, the most important features of which are summarized in the following:
- the luminescent element has a lateral electrode arrangement on the valuable and security product
- the electrode arrangement in a lateral or opposite arrangement is outside the security document, i.e. in a reader,
- the lateral electrode arrangement is located on a transparent cover substrate in the reading device,
- Photoluminescence excitation via appropriate light sources in particular in the UV wavelength range and the use of suitable luminescent substances based on silicates, phosphates, tungstates, germanates, borates, etc. mainly activated with Mn, but especially based on Zn 2 Si0 4 : Mn and the excitation through the 253.65 nm line of an Hg low-pressure discharge lamp (visible light eliminated by means of a short pass filter) and the excited emission of light in the visible green range, • Excitation of the luminescence system by an extremely narrow-band light source in the form of a frequency tripled or quadrupled Nd.YAG lasers with the wavelengths of 266 nm and 213 nm are described, furthermore a solid-state laser with corresponding frequency doubling or quadrupling to 236 nm as well as excimer lasers with light in UV-B (320 to 260 nm according to USA-FDA) and UV -C (260 to 200 nm) wavelength range for the excitation of special
- the excitation by IR radiation with a suitable wavelength is instead of
- the valuable and security product has security elements based on so-called microencapsulated, inorganic compounds of groups II and VI of the periodic table (eg, ZnS, CdS) which are doped or activated with metals such as Cu, Mn, Ag and for the printing design using gravure is suitable.
- Electroluminescent security elements based on organic polymers can also be constructed.
- the electrodes are formed laterally (i.e. lying flat next to one another) by means of conductive intaglio printing inks, an alternating electromagnetic field being generated in the resulting, also approximately flat field gap between the electrodes, the field lines of which are at least partially due to the
- it becomes an electrically conductive gravure printing ink based on carbon and / or silver or a mixture of both or silver-plated and / or gold-plated metallic pigments or mica
- an aqueous polyurethane layer is preferably applied to the unprepared surface of the security document - for example a bank note - before the actual graphic design and then the phosphor paste is printed so that it is good and to achieve elastic adhesive bond with excellent surface resistance.
- the luminescent security feature is preferably designed graphically from individual points and lines.
- translucent colors can be attached above / below / next to the luminescent elements, thereby achieving different colored lighting effects.
- the electroluminescent layer described above is used as the backlight for an authenticity element.
- an authenticity element is e.g. B. a laserable polycarbonate film, which is also referred to below as a PC overlay film.
- a film can e.g. B. be provided by a laser treatment with authenticity features in such a way that opacities and / or discolorations can be applied and controlled in the thick area of this film, as a result of which the background lighting arranged below this film radiates these different zones of the authenticity element accordingly differently.
- a characteristic authenticity feature can be visible on the visible side of the authenticity element, such as e.g. B. a passport picture, a logo, a coat of arms, a personalized signature or the like. more.
- the layer of the laserable overlay film has bores or recesses which are preferably also produced by laser treatment.
- the invention is not limited to this; Such recesses can also be made by etching processes, punching processes, embossing processes, by the action of electrode jets, water jet treatment and the like. It is important here that in the present invention it is not primarily the composition of the authenticity element that is important, but rather the fact that the authenticity element is assigned an active backlight, which is practically without great expenditure on equipment and without external devices such as, for. B. a UV lamp or a laser diode can be lit.
- authenticity features associated with the authenticity element can of course not only be introduced by laser treatment or by the other physical methods and previously described
- This film is printed.
- printing processes such as B. offset printing,
- the authenticity element can be changed within relatively large limits and that different authenticity elements can be provided and that in each case a backlight is assigned to this authenticity element.
- Another embodiment of the present invention provides that a self-luminous substance is excited by an electron source.
- a self-luminous substance is excited by an electron source.
- the electron source is arranged above the overlay film in front of it, so that the electrode radiation through the Overlay film passes through and excites the underlying layer that creates the backlight.
- the electron source is arranged on the opposite side of the arrangement, i. H. opposite the overlay film, so that the existing card is irradiated in principle from the back.
- a heated anode is used as the electron source, which sends an electrode field against the self-illuminating layer in a manner known per se, a structure as is known in tube technology being preferred.
- Electron source an electrode beam is provided, which scans the entire self-illuminating layer or parts thereof in lines and lights up.
- a matrix-shaped electrode field is provided which, in pixel form, brings the layer to light in a controlled manner.
- an electron source it is of course also possible to use an X-ray source or another radiation source which is suitable for appropriately exciting the layer serving as backlighting.
- planar electrode arrangement preferably being used.
- Such a planar electrode arrangement consists of interdigitated electrodes, which form a field gap between them, in which field gap the alternating electrical field is generated, which excites the electroluminescent layer located above or in between and lights it up.
- the electroluminescent layer can be applied directly to the electrodes and in another
- the electroluminescent layer can be separated by an insulating layer arranged between the underside of the electroluminescent layer and the top of the electrode surface.
- the dielectric constant of this electroluminescent layer is chosen to be as high as possible. This has the advantage that the field lines, which form as a leakage flux between the electrodes, penetrate the electroluminescent layer with high efficiency and make it light up.
- a capacitive coupling is provided according to the invention.
- This capacitive coupling is preferably carried out by means of at least two spaced apart and insulated from each other electrode surfaces on the security document, which form one side of a plate capacitor.
- the other, opposite side of the plate capacitor is formed from assigned electrode surfaces of a readout device.
- the advantage of this arrangement is that the electromagnetic alternating field is coupled in contactlessly.
- the manufacture of the luminescent element becomes very simple because the electrodes can be printed or applied together with the field-generating electrode arrangement (for field excitation of the electroluminescent layer) in a single operation.
- the reading device which is responsible for the entry of the alternating electromagnetic field on the electrode surface, can be of particularly simple construction. It is sufficient to provide the readout device with a corresponding battery, to provide an inverter / oscillator, which then goes with its connection arrangement to an associated electrode arrangement, which electrode arrangement in turn is the previously mentioned one side of the plate capacitor, the other side of which is on the card arranged electrode arrangement.
- the authenticity element (the previously mentioned polycarbonate film) can also be assigned other features, e.g. B. in the form that in the laser-treated film, in which corresponding recesses are arranged, additional microlenses are placed on the recesses.
- additional microlenses can of course not only be applied to the previously produced recesses in a subsequent operation, but they can already be applied by appropriate treatment steps during the first laser treatment of the overlay film.
- the arrangement of such microlenses improves the readability of the authenticity feature, because the solid angle of the readability is increased and one
- the microlenses are preferably introduced into the laser-treated film by means of a high-melting lamination process.
- Corresponding polymers can also be applied to the film by photopolymerization.
- the overlay film can also be designed as a holographically modulated photorefractive polymer layer. Frequency ranges in the range of approximately 1-10 kHz and voltages in the range of approximately 100-1500 V are preferred as the preferred frequency for the alternating electromagnetic field of the electroluminescent layer.
- Figure 1 top view of a value and security document in a first embodiment of the invention, with an associated reading device;
- Figure 2 The side view of the arrangement of Figure 1;
- FIG 3 A schematically drawn section through the value and security document of Figure 1 with the addition of further embodiments of the invention
- Figure 4 Another section through another embodiment of a value and security document.
- the reference numeral 1 denotes a document of value, which consists of a
- Plastic substrate a paper substrate or another carrier material. It does not matter whether the document of value 1 is constructed in one or more layers.
- an electrode arrangement 2 which consists of a plurality of interdigitated electrodes 2a, 2b, which form a meandering field gap 3 between them, in which the alternating electromagnetic field is effective.
- An electroluminescent layer 13 is now applied or introduced onto this electrode arrangement 2 or between the electrode arrangement 2, which is at least partially penetrated by the alternating electrical field which is generated in the field gap 3.
- the electrode arrangement 2 is contacted by assigned feeds 4, 5 which are applied to the value document 1, which feeds are electrically conductively connected to assigned electrode surfaces 6, 7.
- the electromagnetic alternating field is capacitively coupled onto these electrode surfaces 6, 7, specifically via an electrode arrangement 9 of a read-out device 8, which has electrode surfaces 6, 7 opposite the electrode surfaces, which together form the electrode arrangement 9 (FIG. 2).
- one or more power supplies, z. B. batteries 10 are arranged, which are connected to an inverter / oscillator 11, which in turn is connected via a connection arrangement 12 to the electrode arrangement 9 of the reading device 8.
- a coupling surface 17 is thus formed between the electrodes 6, 7 and the electrode arrangement 9 of the reading device 8, through which the alternating electromagnetic field is coupled onto the electrode surface 6, 7.
- FIG. 2 shows further details of the invention. It can first be seen in FIG. 2 that an overlay film 14, which can consist of different materials, is arranged above the electroluminescent layer 13. Although a polycarbonate film is preferred, any other materials can be used, namely those which are suitable for carrying or forming a corresponding authenticity feature in or on themselves, whereby secondary coupling mechanisms can be used.
- an overlay film 14 which can consist of different materials, is arranged above the electroluminescent layer 13.
- any other materials can be used, namely those which are suitable for carrying or forming a corresponding authenticity feature in or on themselves, whereby secondary coupling mechanisms can be used.
- the layer mentioned can even consist of a conductive metal foil which accordingly carries the authenticity feature.
- Such an authenticity feature can e.g. B. can be achieved by attaching appropriate structures 15 on / in such an overlay film 14.
- Such structures are - according to the general description - as clouding or discoloration in the structure of the overlay film 14 z. B. introduced by laser treatment, X-ray treatment or electrode beam treatment.
- structures of this type are also introduced as recesses 16, as shown on the right-hand side in FIG. 3.
- Such recesses 16 should not necessarily be through holes, but it can also be blind holes or irregularly shaped openings, for. B. diamond-shaped, square or rectangular openings.
- lettering can of course be formed directly from such recesses.
- a digitized signature as lettering are formed by such recesses.
- FIG. 3 also shows the excitation of the electroluminescent layer 13 by an electron source 19.
- the electron source 19 is controlled by a generator 18 and sends an electron cloud 21 via a focusing device 20 against the document of value 1. It is assumed here that the electrons pass through the overlay film in sufficient numbers and excite the underlying electroluminescent layer 13 to light up.
- Electroluminescent layer 13 can also be excited from the underside of the document of value 1.
- FIG. 4 also shows an embodiment that is similar to FIG. 3 (right side).
- the overlay film 14 is provided with recesses 16, 16 lenses 22 being additionally applied to the recesses. The function and the manufacture of these lenses have been explained in detail in the general description section.
- Another embodiment of the invention consists in using the electrode surface 6, 7 as a transponder coil or inserting an additional transponder coil in order to Shape to enable an inductive, contactless coupling of the alternating electromagnetic field.
- Such a design of a document of value is particularly preferred when used with transponder chip cards, because there is an additional authenticity feature which is particularly easy to read out.
- electroluminescent layer not only as a separate layer to the document of value 1, but it is also possible in the sense of DE 43 10 082 to design this electroluminescent layer as an electroluminescent film, with a corresponding electroluminescent active pigment component in an extruded or coextruded film is introduced.
- Electron source 20 Focusing device
Landscapes
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Credit Cards Or The Like (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Luminescent Compositions (AREA)
- Electroluminescent Light Sources (AREA)
- Printing Methods (AREA)
- Laminated Bodies (AREA)
- Lasers (AREA)
- Materials For Medical Uses (AREA)
- Adornments (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02007941.4A EP1236584B2 (en) | 1997-08-14 | 1998-08-04 | Value and security product with a luminescent element |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19735293 | 1997-08-14 | ||
DE19735293A DE19735293C2 (en) | 1997-08-14 | 1997-08-14 | Value and security product with luminescent element |
PCT/EP1998/004837 WO1999008881A1 (en) | 1997-08-14 | 1998-08-04 | Value and security product with a luminescent element |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02007941.4A Division EP1236584B2 (en) | 1997-08-14 | 1998-08-04 | Value and security product with a luminescent element |
EP02007941.4 Division-Into | 2002-04-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1003646A1 true EP1003646A1 (en) | 2000-05-31 |
EP1003646B1 EP1003646B1 (en) | 2003-10-15 |
Family
ID=7838994
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02007941.4A Expired - Lifetime EP1236584B2 (en) | 1997-08-14 | 1998-08-04 | Value and security product with a luminescent element |
EP98943829A Expired - Lifetime EP1003646B1 (en) | 1997-08-14 | 1998-08-04 | Value and security product with a luminescent element |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02007941.4A Expired - Lifetime EP1236584B2 (en) | 1997-08-14 | 1998-08-04 | Value and security product with a luminescent element |
Country Status (17)
Country | Link |
---|---|
EP (2) | EP1236584B2 (en) |
JP (1) | JP4554070B2 (en) |
KR (1) | KR20010022914A (en) |
CN (1) | CN1105654C (en) |
AT (2) | ATE400446T1 (en) |
CA (1) | CA2300971A1 (en) |
CO (1) | CO4790195A1 (en) |
CZ (1) | CZ295125B6 (en) |
DE (3) | DE19735293C2 (en) |
DK (2) | DK1003646T3 (en) |
ES (2) | ES2209202T3 (en) |
HU (1) | HUP0003606A3 (en) |
IL (1) | IL134414A0 (en) |
PE (1) | PE104099A1 (en) |
PL (1) | PL193977B1 (en) |
PT (2) | PT1003646E (en) |
WO (1) | WO1999008881A1 (en) |
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WO2004108426A2 (en) * | 2003-06-11 | 2004-12-16 | Bundesdruckerei Gmbh | Valuable document comprising a security element and method for producing said valuable document |
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JP4486739B2 (en) * | 2000-08-31 | 2010-06-23 | ブンデスドルケライ ゲーエムベーハー | Paper sheet identification device |
DE10046710A1 (en) * | 2000-09-21 | 2002-04-18 | Bundesdruckerei Gmbh | Counterfeiting and theft protection system, especially for valuable and security documents, has electronic component(s) in form of LCR oscillator(s) stimulated by electromagnetic radiation |
FR2828697B1 (en) * | 2001-08-14 | 2003-11-21 | Banque De France | ANTICOPY MARKING COMPOSITION |
FR2828698B1 (en) * | 2001-08-14 | 2003-11-21 | Banque De France | LIGHT CASCADE SAFETY MARKING COMPOSITION |
DE10251178B3 (en) * | 2002-10-31 | 2004-09-16 | Siemens Ag | Illuminated control element with electroluminescent film |
DE102004022752B4 (en) | 2004-05-07 | 2018-03-08 | Bundesdruckerei Gmbh | Apparatus for checking the authenticity of a value or security document |
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US7950584B2 (en) | 2006-10-31 | 2011-05-31 | Hewlett-Packard Development Company, L.P. | Package security having a static element and a dynamic element |
DE102006052417A1 (en) * | 2006-11-07 | 2008-05-08 | Printed Systems Gmbh | Method and system and code card for downloading digital data products |
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DE202007001285U1 (en) * | 2007-01-23 | 2007-08-23 | Gantner Electronic Gmbh | RFID reader and RFID chip with crystals as a signal body |
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FR2921584A1 (en) * | 2007-09-28 | 2009-04-03 | Oberthur Card Syst Sa | SECURE DOCUMENTS, METHODS AND DEVICES FOR AUTHENTICATING SUCH DOCUMENTS AND METHOD FOR MANUFACTURING THE SAME. |
DE202010006698U1 (en) | 2009-05-13 | 2010-08-26 | Lorenzen, Karsten | Chip card with optical message function |
CN102114743B (en) * | 2009-12-31 | 2014-11-05 | 中国人民银行印制科学技术研究所 | Marketable file and method for identifying same |
PL2580068T3 (en) * | 2010-06-10 | 2016-01-29 | Arjo Systems | Secure structure |
DE102013207998A1 (en) * | 2013-05-02 | 2014-11-06 | Bundesdruckerei Gmbh | Security or value product with electroluminescent security element and method for producing the same |
KR102416559B1 (en) * | 2017-07-07 | 2022-07-04 | 한국조폐공사 | Security document using invisible security code and non-contact power supply and authentification method for the same |
CN109725376A (en) * | 2019-02-27 | 2019-05-07 | 南京福图信息科技有限公司 | A kind of grating security devices and method for anti-counterfeit based on EL film |
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- 1998-08-04 DK DK98943829T patent/DK1003646T3/en active
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- 1998-08-04 EP EP98943829A patent/EP1003646B1/en not_active Expired - Lifetime
- 1998-08-04 DE DE59809934T patent/DE59809934D1/en not_active Expired - Lifetime
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004108426A2 (en) * | 2003-06-11 | 2004-12-16 | Bundesdruckerei Gmbh | Valuable document comprising a security element and method for producing said valuable document |
WO2004108426A3 (en) * | 2003-06-11 | 2005-03-03 | Bundesdruckerei Gmbh | Valuable document comprising a security element and method for producing said valuable document |
US7427029B2 (en) | 2003-06-11 | 2008-09-23 | Bundesdruckerei Gmbh | Valuable document comprising a security element and method for producing said valuable document |
Also Published As
Publication number | Publication date |
---|---|
EP1236584B1 (en) | 2008-07-09 |
EP1003646B1 (en) | 2003-10-15 |
DK1236584T3 (en) | 2008-11-03 |
KR20010022914A (en) | 2001-03-26 |
CN1105654C (en) | 2003-04-16 |
JP2001514986A (en) | 2001-09-18 |
HUP0003606A3 (en) | 2002-12-28 |
DE59809934D1 (en) | 2003-11-20 |
PT1236584E (en) | 2008-09-03 |
ES2209202T3 (en) | 2004-06-16 |
DK1003646T3 (en) | 2004-02-16 |
CN1271310A (en) | 2000-10-25 |
ATE251998T1 (en) | 2003-11-15 |
CA2300971A1 (en) | 1999-02-25 |
DE19735293A1 (en) | 1999-02-18 |
ES2309121T3 (en) | 2008-12-16 |
DE59814253D1 (en) | 2008-08-21 |
HUP0003606A2 (en) | 2001-02-28 |
EP1236584A3 (en) | 2004-01-07 |
PL339308A1 (en) | 2000-12-04 |
IL134414A0 (en) | 2001-04-30 |
ATE400446T1 (en) | 2008-07-15 |
WO1999008881A1 (en) | 1999-02-25 |
PL193977B1 (en) | 2007-04-30 |
EP1236584B2 (en) | 2019-06-19 |
DE19735293C2 (en) | 2003-06-12 |
JP4554070B2 (en) | 2010-09-29 |
CZ295125B6 (en) | 2005-05-18 |
PE104099A1 (en) | 1999-11-05 |
CZ2000520A3 (en) | 2000-12-13 |
PT1003646E (en) | 2004-03-31 |
CO4790195A1 (en) | 1999-05-31 |
EP1236584A2 (en) | 2002-09-04 |
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