CN103875026B - Verify method and apparatus and the application of this device of the secure file with the security feature that form is fluorescent printing element - Google Patents
Verify method and apparatus and the application of this device of the secure file with the security feature that form is fluorescent printing element Download PDFInfo
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- CN103875026B CN103875026B CN201280043461.6A CN201280043461A CN103875026B CN 103875026 B CN103875026 B CN 103875026B CN 201280043461 A CN201280043461 A CN 201280043461A CN 103875026 B CN103875026 B CN 103875026B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007639 printing Methods 0.000 title claims description 28
- 239000000463 material Substances 0.000 claims abstract description 42
- 230000003595 spectral effect Effects 0.000 claims abstract description 19
- 238000007689 inspection Methods 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract description 7
- 239000000049 pigment Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 12
- 229910018509 Al—N Inorganic materials 0.000 claims description 11
- 229910007991 Si-N Inorganic materials 0.000 claims description 10
- 229910006294 Si—N Inorganic materials 0.000 claims description 10
- 239000012190 activator Substances 0.000 claims description 8
- 229910002795 Si–Al–O–N Inorganic materials 0.000 claims description 7
- 238000004020 luminiscence type Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 150000004767 nitrides Chemical class 0.000 claims description 5
- 229910006360 Si—O—N Inorganic materials 0.000 claims description 4
- 238000001429 visible spectrum Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 229910052761 rare earth metal Inorganic materials 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 229910052693 Europium Inorganic materials 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229910052712 strontium Inorganic materials 0.000 description 4
- 239000012620 biological material Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- MYLBTCQBKAKUTJ-UHFFFAOYSA-N 7-methyl-6,8-bis(methylsulfanyl)pyrrolo[1,2-a]pyrazine Chemical compound C1=CN=CC2=C(SC)C(C)=C(SC)N21 MYLBTCQBKAKUTJ-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052915 alkaline earth metal silicate Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- -1 silicon aluminum nitrides Chemical class 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002440 hepatic effect Effects 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- FZBINJZWWDBGGB-UHFFFAOYSA-L strontium 3,4,5-trihydroxythiobenzate Chemical compound [Sr++].Oc1cc(cc(O)c1O)C([O-])=S.Oc1cc(cc(O)c1O)C([O-])=S FZBINJZWWDBGGB-UHFFFAOYSA-L 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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
- G07D7/128—Viewing devices
-
- 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
- G07D7/1205—Testing spectral properties
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Credit Cards Or The Like (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Printing Methods (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The method and apparatus that the present invention relates to a kind of secure file for verifying the security feature with the changing luminous material that form is at least one fluorescence, this changing luminous material can excite in the electromagnetic radiation of first wave length scope, so as the electromagnetic radiation launched in second wave length scope, wherein, in the first and second wave-length coverages are in visible spectral range.This device includes the mobile phone of freely programmable, and this mobile phone is with for the light source of the inspection area of the radiation of visible light secure file in the range of first wave length and with the photo sensor for shooting visible ray.This mobile phone is configured to, and is used for radiation that shot by photo sensor, that launched in the range of second wave length by changing luminous material and previously given data compare and signal represents concordance.
Description
The present invention relates to a kind of for verifying the safety with the printed element that form is at least one fluorescence
The method and apparatus of the secure file of feature and the application of related device.This method especially can be passed through
Smart mobile phone execution or this device can be the integrated components of smart mobile phone.
Very early by the secure file with the security feature that form is luminescent substance known in the art, by
This makes this secure file energy false proof or can verify that.Secure file wherein exists anti-according to the present invention
The banknote of pseudo-demand, travelling passport, identity card, driving license, ticket or similar file or object.
EP1673231B1 describes a kind of value document, with having for checking that value document is extremely
The value document matrix of few two kinds of different biomaterials.At least one biomaterials is by a kind of luminous material
The mixture of material or luminescent material is formed.Biomaterials can irradiate with visible or infrared radiation, its
In in infrared spectral range occur launch.The inspection of verity is carried out based on the transmitting detected.
EP0977670B1 discloses the value document of a kind of printing, is based on rare earth doped with form
The authentication feature of the luminescent substance of the parent lattice of metal.Parent lattice is almost at whole visible frequency spectrum
In the range of absorb so that all of line is pressed in the visible spectral range of luminescent substance.Shiner
The excitation area of matter and intense light source, the irradiation area such as Halogen light, flash lamp etc. overlaps.But can also
Excited by the light from visible range.
EP0991522B1 includes a kind of value document with luminescent substance, and it has and is substantially located at
Emission spectrum in infrared-spectral range, when described luminescent substance is not to change the maximum of described file
When amount is mixed in described value document, described luminescent substance is only in the high expense measuring technical elements
In the case of could pass through conventional detector verification.The material providing parent lattice based on doping holmium is made
For appropriate material.
EP0053183B1 discloses a kind of marketable securities, and having form is material that is luminous and that absorb
Authentication feature, described material can be excited by sightless and/or visible light and only sightless
Luminescence in the range of optical spectrum.
In addition reference should also be made to EP0052624B1, EP0053124B1, EP0053148B1, EP0
975468B1 and EP0975469B1, describes having with luminous authentication feature the most equally
Value document.Exciting of luminescent material both can also be at sightless frequency spectrum model at visible spectral range
Carry out in enclosing.As additional safety factors it is noted that should the most not in visible scope
Occur launching.
In order to authenticating security documents typically requires special detection device, these detection devices are most of static
Ground runs and is provided only to limited customer group.Additionally, pursue as mobile the most always
Application provides detector.
WO2006/056268A1 and DE102004056007A1 contains the checking dress of a kind of movement
Put, for checking the verity of travel document.Checking device includes the identification dress for identifying validated user
Put, for opening device based on the signal open-authentication device identifying device, for reading the trip of being included in
Image on the page of row certificate or the optical pick-up unit of alphanumeric information, for according to predetermined
Algorithm process by the data processing equipment reading the signal that unit provides of optics, for showing reading
Data and the display unit of the result and for the data that will read or the result encrypted transmission
Communication unit to central station.According to a preferred embodiment, mobile phone can serve as figure show
Show unit, data processing unit and communication unit.For example with photographic head as the reading unit of optics,
Its preferably have include modulated, especially can the light source of pulse, such as LED or laser diode
Illuminator.By using this illuminator can excite the safety in the pigment being included in printing-ink
Element, and the signal obtained at this is examined for verity equally.
The system of a kind of banknote forged by means of mobile phone identification has been recorded in CN1462010A.
Banknote is encrypted by means of infrared bar codes.Bar code is recorded in central computer-data base.At paper money
After ticket circulates, can realize by means of appropriate software, the banknote identification of mobile phone
The verity of functional check banknote.For this by mobile wireless connected reference central database.
CN101252612A discloses a kind of mobile phone, with for check banknote verity being
System.This system includes arranging CCD-video camera on a cellular telephone and light source, and described light source is arranged
On the side identical with CCD-video camera.Light source preferably includes infrared light sources and ultraviolet light source.
System can also have infrared filter and ultraviolet filter, described infrared filter and ultraviolet
Wave filter can move to described infrared light sources or ultraviolet light source by means of transfer device.By described
System, the most normally used CCD-photographic head can detect the security feature of banknote.
Described scheme disadvantageously, need to carry out on a cellular telephone extra amendment, as arranged light source.
The mobile phone of sensor with integrating optical spectroscopy is disclosed by US2006/0279732A1.
The sensor of spectroscopy includes light source and photo sensor wherein, the flash lamp that mobile phone has existed and
CMOS/CCD-image-sensor is used as light source and photo sensor.Should enter by means of mobile phone
Row object, such as the authenticity examination of banknote, jewelry etc..But be not described in used radiation
Wave-length coverage.
US2005/0100204A1 discloses for the granule detecting fluorescence to check the verity of file
Method and apparatus.This device includes the light source with integrated form and the mobile phone of photo sensor.
US2010/144387A1 discloses a kind of multi-functional portable electron device, tests with integrated
Card function.This device can be such as mobile phone or PDA.In order to verify the value document such as banknote,
Such as by exciting corresponding region from the HONGGUANG of the light source of device or hepatic light.Thus cause
Transmitting can be by visual assessment and also by means of camara module detection.By means of CPU
Compare with given data.The result is output at display unit.
EP1986162A1 describes a kind of apparatus and method for authenticity examination, wherein, including
The target area of authentication feature is excited with visible or sightless light, and senses by means of photo
Device detection is in the transmitting in visible or sightless spectral range.
EP1672668A1 have studied the security feature of fluorescence, and it is luminous in visible spectral range.
In order to excite, it is possible to use with the lighting unit of LED array, this lighting unit can be at difference frequency
Luminescence in spectral limit.
WO2008/113963A1 discloses a kind of moveable device for authenticity examination, with
Two LED positioned opposite, described LED send visible ray, and this visible ray is saturating by means of Fresnel
Focus on and be radiated on one group of safety element.Send by safety element by means of imageing sensor detection
Light and being continued with by processor.The light sent is in visible spectral range.The knot checked
Fruit by optics or acoustically signal represent.
WO2010/100378A2 describes the side of a kind of material on optical analysis object or file
Method.Irradiating object or file with visible light, with excited species, this material then sends visible ray.
Unique colored radiation in order to make can not to detect in visible ray is visible, uses the unit that filters accordingly
Part.
The technical problem to be solved is to provide a kind of device for authenticating security documents, be somebody's turn to do
The application of device and method.By the feature of assembly of the invention should especially, this device by simple,
The parts composition that can generally obtain and the checking device comparing tradition use realize at a low price.Especially pursue
It is designed such that the apparatus and method for verifying this secure file so that described apparatus and method are permissible
Be easily integrated mobile phone, smart phone with in similar device.
Method as described in claim 1, for authenticating security documents is used for solving by the skill of the present invention
Art problem.Device as described in claim 4, for authenticating security documents is also used for solving by this
Bright technical problem.Finally, The present invention gives a kind of as described in claim 7, this for testing
The application of the device of card secure file.
Method by the present invention, for authenticating security documents comprises the steps: first by means of can
The pigment shape that light source activation luminous in the spectral range seen is arranged in the inspection area of secure file
Fluorescent printing element.As especially application in modern mobile phone, it is preferably used and is used as flash of light
The LED-lamp of lamp or photographic lamp is as light source.But, excite and can also pass through continuous print light source, as logical
Cross neon tube, halogen radiator or LED-illuminator to realize.Exciting equally can also be by the most too
Sunlight realizes.In order to excite the fluorescent printing element being preferably used, the bluest light is sufficient for.Due to
Excite and launch light from the printed element of fluorescence.Fluorescent printing unit by photo sensor detection pigment shape
The transmitting of part and then assessing.Being estimated by special application program, this application program is also contemplated for
Different light sources.Photo sensor is preferably the imageing sensor of mobile phone, and application program can be made
It is arranged on smart mobile phone for so-called APP.
Can be with secure file, the printed element that is not provided with fluorescence remaining surface in this assessment
(comparison domain) compares or compares with the image taking of unexcited fluorescent printing element.Ratio
During relatively data are generally stored inside data base, this data base such as deposits in the mobile phone or can obtain online
Take.But relatively more required data can also be produced in procedure, mode is by mean of the light excited
Source is illuminated the comparison domain of secure file and detects the transmitting of comparison domain.Alternatively, it is also possible to not
The printed element of the state-detection fluorescence excited and for comparing.
Carrying out the output of the result in last method step, preferably output is to the display of mobile phone
On screen.When needed, this result can be by the recipient of mobile phone transmission a to distant place.
Having form by means of the secure file verified in the present inventive method is at least one pigment shape
The security feature of fluorescent printing element, it can excite in the range of the first wave length of electromagnetic radiation, in order to sends out
Penetrating the electromagnetic radiation in second wave length scope, wherein, the first and second wave-length coverages are in visible frequency spectrum
In the range of.
It is particularly preferred that use the LED-changing luminous material fine grain, inorganic of version to make
For the printed element of fluorescence, it joins in printing color, printing-ink or ink paste.Manufacturing LED
Time use changing luminous material belong to this group, in order in order to produce white light by quasiconductor at blue region
In being transformed at least partially in another color region of transmitting.
By the inventive system comprises the mobile phone of freely programmable, with being used for launching visible spectrum model
Enclose the light source of interior light and the photo sensor of the light in the range of shooting or measure visible spectrum.
It is configured so that the mobile phone of freely programmable so that this mobile phone can will be clapped by photo sensor
The radiation launched by the fluorescent printing element of pigment shape taken the photograph or measure compares also with predetermined data
And consistent or deviation can be represented with signalling, with the security feature of the secure file of validation check.
It is by an important advantage of the checking device of the present invention, it is only necessary to the movement of a corresponding configuration
Phone.Therefore the validity check for secure file provides a kind of simple and cheap scheme.Checking
Device can be supplied to wide customer group, and it can independently carry out the inspection of secure file with place
Look into.
Smart mobile phone belongs to the mobile phone of freely programmable, and it can be (so-called by additional program
App) individually installed additional new function by user.Light source and photo sensor needed for checking are to deposit by standard
It is in smart mobile phone, therefore need not change existing hardware.Smart mobile phone is generally of LED-light source,
For realizing flash of light or illumination functions.Can be to as Special safety by means of this so-called LED-flash of light
The fluorescent printing element levied excites.Smart mobile phone-photo sensor, such as CCD-sensor,
CMOS-sensor or Foveon-sensor equipped with the shutter system in the range of 10ms to 50ms,
In the range of especially 33ms, wave-length coverage is at the shutter system of about 360nm to 1100nm.This
Photo sensor is generally configured with RGB-and considers color device and IR-obstruct wave filter, because this photo sensor is straight
It is all sensitive to about 1100nm and especially has in the sightless scope of 780nm to 1100nm
There is the sensitivity of height.
An important advantage of the present invention is, is realized by the fluorescent printing element as security feature
Transmitting in visible spectral range.Because this transmitting is in visible spectral range, so this
Kind launch can low cost and in the case of there is no special detector detected, such as by intelligence
The color image sensor detection of mobile phone.By in scheme known in the art, substitute aforementioned schemes and lead to
Causing the transmitting in sightless scope usually through the luminescent material used, the detection of this transmitting the most more consumes
Take.
According to a kind of favourable form of implementation, for exciting the first wave length scope of the printed element of fluorescence to exist
Between 380nm to 500nm.The mean wavelength of first wave length scope preferably in visible spectral range,
Wherein, it is also, it is preferred that in wave-length coverage between 380nm to 500nm.Shape is implemented for some
Formula, mean wavelength between 420nm to 470nm or average between 450nm to 470nm
Wavelength is proved to be favourable.
The printed element of fluorescence is luminous in the range of second wave length, and its wavelength is preferably at visible spectral range
In.The wavelength of second wave length scope or mean wavelength preferably between 490nm to 780nm or
In visible spectral range between 550nm to 780nm.
Security feature is generally applied on secure file by printing technology or is integrated in secure file.
The printing color, printing-ink or the ink paste that are used preferably have the binder matrix of polymerization, in this bonding
Agent substrate is uniformly dispersed the printed element of fluorescence.Printing color, printing-ink or ink paste by means of
Appropriate painting method, as intaglio printing, intaglio printing, offset printing, aniline printing, silk screen printing,
Ink jet printing, hectographic printing, again hectographic printing, laser-transfer-printing, flexible printing or numbering dress
Put and be applied on secure file or be integrated in secure file by printing internal layer and ensuing lamination.
According to a kind of favourable form of implementation, the fluorescent printing element of pigment shape has in 1 μm to 20 μm
D50 pigment distribution.D50-value is the size of average pigment size.D50 represents that the pigment of 50% is less than
Specified value.In another kind of form of implementation, in d50 pigment distribution scope below μm, especially
In nano level scope, it is proved to be favourable.Here, d50 pigment distribution is advantageously at 3nm extremely
In the range of 30nm or in the range of 100nm to 500nm.
According to a preferred embodiment, the printed element of fluorescence is formed by luminescent material, this luminescence
Material is selected from following group:
The alkaline earth orthosilicate luminescent material of-europium doped and the alkaline-earth-metal silicate of europium doped are sent out
Luminescent material；
The luminescent material of-nitride；
Rare earth metal-aluminum-gallium-garnet-the luminescent material of-doped with cerium；
-(Ca, Sr) S:Eu of glowing2+, and
The SrGa of-green light2S4: Eu2+。
The alkaline earth orthosilicate luminescent material of europium doped or the alkaline-earth-metal silicate of europium doped are luminous
Material preferably constructs according to general chemical formula:
MII 2SiO4:Eu2+Wherein, MII=Ca, Sr, Ba and/or
MII 3SiO5:Eu2+Wherein, MII=Sr, Ba.At Eu2+-activate orthosilicate when exciting according to
Concrete luminescent material composition in the range of blue spectrum wideband with between 500nm to 620nm
Launch wavelength maximum luminescence time, in yellow or bisque spectral range 550nm to 610nm it
Between luminous silicate there is the emission spectrum of the half breadth that may be significantly smaller.
Rare earth metal-aluminum/gallium-garnet-the luminescent material of doped with cerium preferably constructs according to general chemical formula:
MIII 3(Al1-xGax)5O12:Ce3+Wherein, MIII=Y, Gd, Tb, Lu and 0≤x≤1.This luminescence
Material class is characterised by, by change rare earth element cation and Ce3+-content and by the moon from
Displacement in subdivision lattice, is namely replaced by gallium-aluminum, and launching wavelength can be at visible spectrum
Namely move in the range of 500nm to 600nm in the range of width.
(Ca, the Sr) S:Eu glowed2+Strontium thiogallate SrGa with green light2S4: Eu2+Have about
λ max value in the range of 650nm to about 525nm.
The printed element of fluorescence is especially preferably formed by the luminescent material of nitride.This luminescent material
Preferably adulterate Eu2+Or Ce3+As activator.The parent lattice of this luminescent material is preferably tied by M-Si-N
The boron nitride-silicate of structure, by the silicon-based oxynitride of M-Si-O-N structure, by M-Al-N structure
Aln precipitation, the silicon aluminum nitrides by M-Si-Al-N structure or the silicon by M-Si-Al-O-N structure
Aluminoxynitride is constituted.
It is particularly preferred that the printed element of fluorescence is made up of the luminescent material of nitride, this luminescent material
The substrate with M-Si-N, M-Si-O-N, M-Al-N, M-Si-Al-N or M-Si-Al-O-N structure is brilliant
Lattice and the Eu that adulterates2+As activator, or have M-Si-N, La-Si-N, M-Si-Al-N or
The parent lattice of M-Si-Al-O-N structure and the Ce3 that adulterates+As activator.Here, M represents metal,
This metal is preferably consisted of Ca, Sr and/or Ba.
Doping Eu is summarized in table 1 below and 22+Or Ce3+Nitride luminescent material important
Represent, and illustrate that it shows the transmitting wavelength of feature.
Table 1
Form 2
The various luminescent materials exemplarily enumerated at this should not indicate that restriction.Other can also be used proper
When luminescent material, these luminescent materials after excitation in blue or visible spectral range launch can
See light, and use the mixture of different luminescent material.Additionally, a kind of preferably form of implementation is,
Especially those changing luminous materials being also used for manufacturing the LED emitted white light pass through in a proper manner
Change crystalline component, activator concentration and/or the rare earth ion by other different qualities of codope to change
Property and using as by the fluorescent printing element of the present invention in this form.
Claims (7)
1. the method using the mobile phone authenticating security documents of freely programmable, wherein, this safety
File include the printed element of the fluorescence of at least one pigment shape as security feature, this printed element arrange
In inspection area and can excite in the electromagnetic radiation of first wave length scope, in order to launch second wave length model
Electromagnetic radiation in enclosing, wherein, the first and second wave-length coverages are in visible spectral range, and
Wherein, the fluorescent printing element of described pigment shape is consisted of the luminescent material of nitride, this luminescent material
There is the substrate of M-Si-N, M-Si-O-N, M-Al-N, M-Si-Al-N or M-Si-Al-O-N structure
Lattice and the Eu that adulterates2+As activator, or have M-Si-N, La-Si-N, M-Si-Al-N or
The parent lattice of M-Si-Al-O-N structure and the Ce3 that adulterates+As activator, wherein, M represents metal,
Said method comprising the steps of:
-glisten by means of the LED-of the mobile phone of the freely programmable of luminescence in the range of first wave length
Excite the printed element of fluorescence；
-sending out by the printed element of the photo sensor detection fluorescence of the mobile phone of freely programmable
Penetrate；
-by means of the App of mobile phone of freely programmable by comparing with previously given data
Relatively assess the transmitting of detection, fluorescence printed element in the range of second wave length；
-according to the result of the comparison output the result carried out.
2. the method for claim 1, it is characterised in that the method is further comprising the steps of:
-illuminate the comparison domain of secure file by means of the light source of luminescence in the range of visible spectrum, its
In, this comparison domain does not comprise the printed element of the fluorescence being arranged in inspection area；
-by the transmitting of photo sensor detection comparison domain；
-launching of the comparison domain that detects is used as the detecting of printed element at assessment fluorescence
The previously given data used during transmitting.
3. include an application for the device of the mobile phone of freely programmable, the movement of this freely programmable
Phone is with the LED-for the inspection area with the radiation of visible light secure file in the range of first wave length
Glisten and with the photo sensor for shooting visible ray, wherein the mobile phone of freely programmable is joined
Be set to, by means of freely programmable mobile phone App for by that shot by photo sensor,
The radiation launched in the range of second wave length by the printed element of fluorescence is compared with previously given data
Relatively and signal represents concordance, in order to authenticating security documents, this secure file includes that form is at least one
The security feature of the printed element of the fluorescence of individual pigment shape, wherein, the fluorescent printing element of described pigment shape
Constituted by the luminescent material of nitride, this luminescent material have M-Si-N, M-Si-O-N, M-Al-N,
The parent lattice of M-Si-Al-N or M-Si-Al-O-N structure and the Eu that adulterates2+As activator, or
There is the parent lattice of M-Si-N, La-Si-N, M-Si-Al-N or M-Si-Al-O-N structure and mix
Miscellaneous Ce3+As activator, wherein, M represents metal,
Wherein, the printed element of described fluorescence is arranged in the inspection area of secure file and can be visible
Spectral range in first wave length scope in excite, and due to the visible spectral range of this excitation-emission
In second wave length scope in electromagnetic radiation.
Apply the most as claimed in claim 3, it is characterised in that described first wave length scope is at 380nm
Between 500nm and/or described second wave length scope is between 490nm to 780nm.
5. the application as described in claim 3 or 4, it is characterised in that described security feature is to print skill
Art is applied on secure file or/and be integrated in secure file, wherein, and the printing unit of the fluorescence of pigment shape
Part is dispersed in the binder matrix of polymerization.
6. the application as described in claim 3 or 4, it is characterised in that the print of the fluorescence of described pigment shape
Brush element has the d50-pigment distribution in 1 μm to 20 μ m.
Apply the most as claimed in claim 5, it is characterised in that the printing unit of the fluorescence of described pigment shape
Part has the d50-pigment distribution in 1 μm to 20 μ m.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011053318 | 2011-09-06 | ||
| DE102011053318.4 | 2011-09-06 | ||
| PCT/EP2012/067336 WO2013034603A1 (en) | 2011-09-06 | 2012-09-05 | Method and arrangement for verifying a security document having a security feature in the form of a fluorescent printing element and use of such an arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103875026A CN103875026A (en) | 2014-06-18 |
| CN103875026B true CN103875026B (en) | 2016-10-26 |
Family
ID=46970243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280043461.6A Active CN103875026B (en) | 2011-09-06 | 2012-09-05 | Verify method and apparatus and the application of this device of the secure file with the security feature that form is fluorescent printing element |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2718911B1 (en) |
| CN (1) | CN103875026B (en) |
| PL (1) | PL2718911T3 (en) |
| WO (1) | WO2013034603A1 (en) |
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| CN106485829A (en) * | 2016-10-20 | 2017-03-08 | 上海古鳌电子科技股份有限公司 | A kind of bank slip recognition device and method based on ultraviolet excitation special element feature |
| EP3518190A1 (en) | 2018-01-30 | 2019-07-31 | Bundesdruckerei GmbH | Method and device for multi-factor authentication |
| DE102018102015A1 (en) | 2018-01-30 | 2019-08-01 | Bundesdruckerei Gmbh | A method for verifying the verification of a security document with a printed security feature, security feature and arrangement for verification |
| WO2019190989A1 (en) * | 2018-03-26 | 2019-10-03 | Verifyme, Inc. | Device and method for authentication |
| DE102018109141A1 (en) | 2018-04-17 | 2019-10-17 | Bundesdruckerei Gmbh | Smartphone-verifiable, fluorescent-based security feature and device for verification Smartcard-verifiable, fluorescent-based security feature and arrangement for verification |
| DE102018109142A1 (en) | 2018-04-17 | 2019-10-17 | Bundesdruckerei Gmbh | Method for verifying a fluorescent-based security feature |
| CN111040516A (en) * | 2019-12-30 | 2020-04-21 | 天津市中环天佳电子有限公司 | Rare-earth anti-fake inkpad |
| DE102020102204A1 (en) | 2020-01-30 | 2021-08-05 | Bundesdruckerei Gmbh | Terminal and method for determining personal data on the basis of an identification document |
| DE102020104115A1 (en) | 2020-02-17 | 2021-08-19 | Bundesdruckerei Gmbh | Method for checking a smartphone-verifiable security feature, smartphone-verifiable security feature and value or security document |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2718911A1 (en) | 2014-04-16 |
| CN103875026A (en) | 2014-06-18 |
| WO2013034603A1 (en) | 2013-03-14 |
| EP2718911B1 (en) | 2016-12-07 |
| PL2718911T3 (en) | 2017-07-31 |
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