EP2925532B1 - Sicherheitselement, herstellungsverfahren, mit dem sicherheitselement ausgestatteter datenträger und verfahren zum überprüfen der echtheit - Google Patents

Sicherheitselement, herstellungsverfahren, mit dem sicherheitselement ausgestatteter datenträger und verfahren zum überprüfen der echtheit Download PDF

Info

Publication number: EP2925532B1
Authority: EP; European Patent Office
Prior art keywords: motif; color; motif elements; elements; security element
Prior art date: 2012-11-30
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.): Active

Application number

EP13798585.9A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2925532A1 (de

Inventor

Klaus Habik

Daniela Otto

Diana SAFADI

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.)

Giesecke and Devrient Currency Technology GmbH

Original Assignee

Giesecke+Devrient 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.)

2012-11-30

Filing date

2013-11-29

Publication date

2017-04-05

2013-11-29 Application filed by Giesecke+Devrient GmbH filed Critical Giesecke+Devrient GmbH

2013-11-29 Priority to PL13798585T priority Critical patent/PL2925532T3/pl

2015-10-07 Publication of EP2925532A1 publication Critical patent/EP2925532A1/de

2017-04-05 Application granted granted Critical

2017-04-05 Publication of EP2925532B1 publication Critical patent/EP2925532B1/de

Status Active legal-status Critical Current

2033-11-29 Anticipated expiration legal-status Critical

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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
- B42D25/36—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
- 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
- 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
- G07D7/128—Viewing devices

Definitions

the invention relates to a security element for data carriers, in particular for value documents, identity documents and the like.
the invention further relates to a data carrier equipped with the security element, to a method for checking the authenticity of the data carrier and to a method for producing the security element.
luminescent security elements For protection against counterfeiting, especially with color copiers or other reproduction methods, data carriers such as banknotes, securities, credit cards, identity documents, passports, certificates and the like, labels, packaging or other elements for product protection are provided with luminescent security elements. These include fluorescent fibers or planchettes (small colored discs), which are mixed as a security feature in paper production under the paper pulp. In addition, fluorescent security threads made of plastic, metal or other material are used, which are completely or partially embedded in the paper during paper production. Also known is the use of fluorescent imprints that are invisible or colorless in normal light, but fluorescent under UV light. Fluorescence is generally understood to mean a transient emission of light that ends within 10 -8 seconds. Instead of fluorescent inks and phosphorescent or photochromic inks are used.
the luminous effect lasts for phosphorescent materials after the end of the irradiation, depending on the material from 10 -8 seconds to several seconds or hours.
Photochromic ink changes color upon excitation with UV light. If the UV light source is removed, the color change takes for some time before the color returns to its original state.
a special case of a photochromic printing ink is the iridescent photochromic printing ink. Iridescent or pearlescent colors contain transparent pigments consisting of tiny foil-covered tiny mica flakes. They cause an interference of the incoming light. This results in shiny, pearl-like shimmering effects with a change in color at different viewing angles or lighting angles.
banknote security luminescent security element having two or more areas, each area containing a material or combination of materials, the two or more areas having substantially the same visible color under first viewing conditions, the visible light and various visible colors under second viewing conditions, wherein the second viewing conditions include a combination of visible light and UV light (see claim 1 of U.S. Pat EP 1567 358 B1 ).
a luminescent security element for securing banknotes comprising two or more areas, each area containing a material or combination of materials, the two or more areas showing different visible colors under first viewing conditions, including visible light; Substantially the same visible colors under second viewing conditions, the second viewing conditions comprising a combination of visible light and UV light (see claim 2 of the EP 1 567 358 B1 ).
the patent document Us 2011/298204 a1 discloses a security element for a data carrier, in particular a value document, comprising a carrier substrate whose front side has first motif elements and second motif elements.
the present invention has the object, a security element of the aforementioned
a data carrier with such a security element and a method for producing such a security element should be provided.
ultraviolet light refers particularly to light having a wavelength in a range of 235 to 380 nm.
daylight color is understood to mean a color based on light in a wavelength range from 380 nm to 750 nm.
the synonyms body color and color are also used below.
the term "motif” is to be understood in particular as a pattern or a picture.
the subject may also convey information to the viewer by e.g. a character, string or image information.
the information for the viewer in the ultraviolet light is perceptible and imperceptible in pure visible light, or vice versa.
a segment may be understood to mean a planar figure.
the term "plane figure” is known in the art (see “ Mathematical Formulary ", Konrad Wittwer KG, Stuttgart, 1984, pages 12-15 ).
polygon refers in particular to an n-corner with n ⁇ 3.
the invention is based on the idea to achieve a dynamic effect by the interaction of luminous colors or luminescent colors, in particular fluorescent colors, and body colors or bright colors by means of a suitable design.
the dynamic effect is based on a light-dark interaction of a motif element structure contained in the motif and, in particular during oscillating (ie by a periodic "back and forth") of the transition from (1) the illumination of the security element with visible light ( 2) observe a UV light / daylight lighting situation in the approximate 1: 1 ratio to (3) a substantially pure UV lighting situation.
Decisive for the dynamic effect is the periodic change of the distance between the UV light source and the security element.
the percentage ratio of daylight / UV light changes in particular in a range of 70/30 to 30/70.
the human eye regards the brighter image components of a motif as superficial or dominant, the dynamic motion effect when changing the brightness of motif elements located close to one another, eg lines, points or circles, is particularly impressive.
the brightness change is due to the change the distance between the UV light source and the security element generated, wherein the illuminance of a fluorescent color increases quadratically in the course of shortening the distance. In this way, at a greater distance the brighter daylight color becomes dominant, at a smaller distance the fluorescent color, which otherwise appears darker in daylight.
the dynamic movement effect unfolds in the form of a rotational effect caused by optical illusion (ie the movement of a rotating wheel) or in the form of a "pumping action" otherwise known in holograms (ie, the periodically changing three-dimensional appearance of a motif) or the like.
a rotational effect can be achieved, for example, by alternately combining the first and second motif elements so that they together form a pattern with rotational symmetry, in particular a pattern with rotational symmetry and mirror symmetry (see, for example, the pattern in FIG Fig. 17 ).
the joining of the first and second motif elements can be carried out without gaps or with spacing.
fluorescent pigments and fluorescent dyes in particular organic colorants
the optical effect of which is based on their ability to absorb UV radiation and in the form of visible light without delay, ie with volatility, within 10 -8 Seconds ending light emission, to send out.
Phosphorescent materials are less preferred, but can be used provided that the duration of the afterglow does not affect the detectability of the dynamic motion effect.
the security element according to the invention can be excitable in particular at two or more wavelengths and then show different fluorescent shades as a function of the wavelength.
the yellow fluorescent color of the color layer 3 is invisible when viewed in daylight alone and appears yellow when viewed in UV light.
FIGS. 1 to 3 show the structure of the printing plates for the production of in Fig. 10 shown security elements in plan view.
Fig. 1 shown printing form is provided for the production of the color layer 1 in dark blue daylight color.
Fig. 2 shows the printing plate for the production of the color layer 2 in light green daylight color.
Fig. 3 shows the printing plate for the production of the color layer 3 in yellow fluorescent color.
Fig. 4 illustrates the construction of the compression, by the in the FIGS. 1 to 3 shown printing forms is available.
the compression has an outer, rectangular border 4 and an inner region 5.
the ink of the rectangular border 4 is exclusively on the in Fig.1 shown printing form back.
the inner region 5 contains one through the pressure forms of Fig.1 and the Fig. 2 generated background pressure and several, by means of the printing plate of the Fig. 3 overprinted areas.
Fig. 5 shows the security element of Fig. 10 in top view when viewed in pure sunlight. The viewer perceives a first information formed by vertical, light green stripes 7 and a dark blue background 6.
Fig. 6 shows the security element of Fig. 10 in plan view when viewed substantially in pure UV light. The viewer perceives a second information formed by vertical, yellow stripes 10 and a very dark background 9.
Fig. 7 shows the security element of Fig. 10 in plan view when viewed under daylight and UV light in a ratio of about 1: 1.
the yellow fluorescent color with the underlying dark blue daylight color mixes by additive color mixing to a green which corresponds to the daylight green of the regions 12.
a monochrome surface is created for the eye.
Fig. 11 shows the security element of Fig. 5 in the pure sunlight.
Reference numeral 8 designates the color layers formed with fluorescent dye which are invisible under the present viewing conditions.
the reference numerals 6 and 7 indicate the visible, formed with dark blue or light green daylight color layers.
Fig. 12 shows the security element of Fig. 6 in pure UV light.
the reference numeral 10 denotes the under the present viewing conditions visible, formed with yellow fluorescent paint layers.
Reference number 9 indicates the color layers formed with daylight color, which are invisible under the present viewing conditions.
Fig. 13 shows the security element of Fig. 7 when viewed under daylight / UV light in the ratio of about 1: 1.
Reference numeral 11 denotes the green to be recognized by the additive color mixing of the yellow fluorescent color and the dark blue daylight color.
the reference numeral 12 indicates the visible to the viewer, formed by daylight color green.
the dynamic light interplay in the course of the periodic movement of the UV light source is based on the FIGS. 8, 9 . 14 and 15 illustrated.
the brightness of the fluorescent dye increases, conversely, this decreases as the distance increases.
the brightness of the daylight colors changes inversely by reducing the amount of daylight when the object is immersed in a UV chamber or by shading by means of a UV flashlight moving above the object.
the fluorescent color becomes lighter than the daylight color
the daylight color becomes brighter than the fluorescent color.
FIGS. 8 Plant view and 14 (cross-sectional view) show the security element of Fig. 10 when viewed under daylight / UV light in the ratio of about 1: 2.
the areas with the reference number 13 are perceived by the viewer with light green color, while the areas with the reference number 14 with dark green color.
Figures 9 (Plan view) and 15 (cross-sectional view) show the security element of Fig. 10 when viewed under daylight / UV light in the ratio of about 2: 1.
the areas numbered 13 are perceived by the viewer with a dark green color, while the areas numbered 14 are perceived with a light green color.
FIGS. 16 to 22 show further design implementations of the in Fig. 10 shown security elements.
Fig. 16 shows an arrangement of the first and second motif elements in the form of two offset rasters (which are shown in the figure by black and white lines), wherein the grid elements in the form of concentric star-shaped structures.
Fig. 17 shows an alternating, circular arrangement of first and second motif elements, each having the approximate shape of an isosceles triangle.
the intermediate lines or legs of the isosceles triangles are formed by alternating first and second motif elements.
a variation of the line thickness can additionally intensify the dynamic movement effect.
Fig. 18 shows the structure of a snail shell in which the circularly arranged white surface elements represent the second motif elements and the black intermediate lines between the circularly arranged white surface elements represent the first fluorescent motif elements.
FIGS. 17 and 18 show as part of the movement of the UV light source an impressive rotation effect.
the first and second motif elements are formed in the form of two staggered rasters, one of the two rasters having periodically repeating raster regions. Within the repeating grid area, the line width of the individual grid elements varies, ie it increases or decreases continuously in one direction. In the Figures 19 and 20 only one repeating unit of the periodically repeating raster area (black lines of high line width) is shown.
both the line width and the distance between the lines decrease in the same direction within the periodically repeating grid area.
FIGS. 21 and 22 each show an alternating, circular arrangement of first motif elements 15 and second motif elements 16, the arrangement additionally having white areas 17, in the present case unprinted areas.
the first motif elements are each made of a lower color layer containing a daylight color and an upper color layer containing a fluorescent color educated.
the structure in the form of a double layer is not mandatory.
the daylight color and the fluorescent color may also be contained in a single color layer.
the security element according to the invention can also contain other types of motif elements in addition to the first and second motif elements.
a conceivable design implementation is, for example, a security element with additional third motif elements, similar to those in FIG Fig. 10 shown first motif elements, but with a different fluorescent or phosphorescent color.

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Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Toxicology (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Business, Economics & Management (AREA)
Accounting & Taxation (AREA)
Finance (AREA)
Printing Methods (AREA)
Credit Cards Or The Like (AREA)

EP13798585.9A 2012-11-30 2013-11-29 Sicherheitselement, herstellungsverfahren, mit dem sicherheitselement ausgestatteter datenträger und verfahren zum überprüfen der echtheit Active EP2925532B1 (de)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL13798585T PL2925532T3 (pl)	2012-11-30	2013-11-29	Element zabezpieczający, sposób wytwarzania, nośnik danych wyposażony w element zabezpieczający oraz sposób weryfikacji autentyczności

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE102012023446		2012-11-30
DE102013008505.5A DE102013008505A1 (de)	2012-11-30	2013-05-16	Sicherheitselement, Herstellungsverfahren, mit dem Sicherheitselement ausgestatteter Datenträger und Verfahren zum Überprüfen der Echtheit
PCT/EP2013/003620 WO2014082754A1 (de)	2012-11-30	2013-11-29	Sicherheitselement, herstellungsverfahren, mit dem sicherheitselement ausgestatteter datenträger und verfahren zum überprüfen der echtheit

Publications (2)

Publication Number	Publication Date
EP2925532A1 EP2925532A1 (de)	2015-10-07
EP2925532B1 true EP2925532B1 (de)	2017-04-05

Family

ID=50726100

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13798585.9A Active EP2925532B1 (de)	2012-11-30	2013-11-29	Sicherheitselement, herstellungsverfahren, mit dem sicherheitselement ausgestatteter datenträger und verfahren zum überprüfen der echtheit

Country Status (5)

Country	Link
EP (1)	EP2925532B1 (pl)
CA (1)	CA2886604C (pl)
DE (1)	DE102013008505A1 (pl)
PL (1)	PL2925532T3 (pl)
WO (1)	WO2014082754A1 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102013008507A1 (de) *	2013-05-16	2014-11-20	Giesecke & Devrient Gmbh	Sicherheitselement, Herstellungsverfahren, mit dem Sicherheitselement ausgestatteter Datenträger und Verfahren zum Überprüfen der Echtheit
DE102016015500A1 (de)	2016-12-23	2018-06-28	Giesecke+Devrient Currency Technology Gmbh	Datenträger mit Lumineszenzbereichen
DE102023126443A1 (de) *	2023-09-28	2025-04-03	Giesecke+Devrient Currency Technology Gmbh	Sicherheitselement mit Kombinations-Sicherheitsmerkmal

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB0228303D0 (en) *	2002-12-04	2003-01-08	Rue De Int Ltd	Security device and method
US20110298204A1 (en) *	2010-06-07	2011-12-08	Xerox Corporation	Document security by aligning visible and hidden marks

2013
- 2013-05-16 DE DE102013008505.5A patent/DE102013008505A1/de not_active Withdrawn
- 2013-11-29 WO PCT/EP2013/003620 patent/WO2014082754A1/de not_active Ceased
- 2013-11-29 EP EP13798585.9A patent/EP2925532B1/de active Active
- 2013-11-29 CA CA2886604A patent/CA2886604C/en active Active
- 2013-11-29 PL PL13798585T patent/PL2925532T3/pl unknown

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number	Publication date
CA2886604C (en)	2020-04-28
EP2925532A1 (de)	2015-10-07
PL2925532T3 (pl)	2017-08-31
DE102013008505A1 (de)	2014-06-05
WO2014082754A1 (de)	2014-06-05
CA2886604A1 (en)	2014-06-05

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