EP2188799A1 - Multilayer flexible foil body - Google Patents
Multilayer flexible foil bodyInfo
- Publication number
- EP2188799A1 EP2188799A1 EP08802006A EP08802006A EP2188799A1 EP 2188799 A1 EP2188799 A1 EP 2188799A1 EP 08802006 A EP08802006 A EP 08802006A EP 08802006 A EP08802006 A EP 08802006A EP 2188799 A1 EP2188799 A1 EP 2188799A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- film body
- decorative layer
- layer system
- layers
- multilayer flexible
- 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
- 239000011888 foil Substances 0.000 title 1
- 230000004913 activation Effects 0.000 claims abstract description 34
- 229920006280 packaging film Polymers 0.000 claims abstract description 7
- 239000012785 packaging film Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 22
- 238000004806 packaging method and process Methods 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000005672 electromagnetic field Effects 0.000 claims description 10
- 239000012190 activator Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 7
- 235000013305 food Nutrition 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 230000009849 deactivation Effects 0.000 claims description 4
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 claims description 3
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 2
- 239000002800 charge carrier Substances 0.000 claims description 2
- 238000007786 electrostatic charging Methods 0.000 claims 1
- 239000008177 pharmaceutical agent Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 117
- 239000002346 layers by function Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- 238000007639 printing Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 239000001993 wax Substances 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- -1 Polyethylene Polymers 0.000 description 4
- 230000005669 field effect Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000007646 gravure printing Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004954 Polyphthalamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920010524 Syndiotactic polystyrene Polymers 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000019993 champagne Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000027734 detection of oxygen Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920006281 multilayer packaging film Polymers 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007649 pad printing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- SLIUAWYAILUBJU-UHFFFAOYSA-N pentacene Chemical compound C1=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C21 SLIUAWYAILUBJU-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006375 polyphtalamide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 150000003518 tetracenes Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/08—Fastening or securing by means not forming part of the material of the label itself
- G09F3/18—Casings, frames or enclosures for labels
- G09F3/20—Casings, frames or enclosures for labels for adjustable, removable, or interchangeable labels
- G09F3/208—Electronic labels, Labels integrating electronic displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
Definitions
- the invention relates to a multilayer flexible film body, in particular a label film or packaging film, with a carrier layer and a decorative layer system which provides optically recognizable information, as well as uses of such a film body and a system comprising such a film body.
- DE 203 14 902 U1 describes a multilayer packaging film for foodstuffs which has a packaging carrier layer, a flat surface Advertising carrier carrier layer and an advertising medium printing has.
- the invention is based on the object to provide an improved multilayer flexible film body and uses of such a film body, which can be used in particular as a label film or packaging film use.
- a multilayer flexible film body having a carrier layer and a decorative layer system which provides optically recognizable information, in which a plurality of layers of the decorative layer system form an electrically controlled display element, by means of which
- the invention makes it possible to provide a package with novel optical effects, to provide optical dynamic labels with novel functions and to integrate additional functions in outer packaging.
- the decorative layer system comprises one or more layers, which form a sensor element for detecting an external activation signal, wherein the sensor element is connected directly or via an electronic circuit to the display element.
- the display element Upon receipt of the activation signal, the display element is activated and the optically recognizable information of the decorative layer system is made visible.
- the following energy sources and influences can be used as activation signals for activating the display element: Electromagnetic alternating field, in particular RF or RF fields, pushbutton, sound, temperature, conductivity, air humidity, pressure, capacity and light.
- the decorative layer system in this case in each case one or more layers, which is a sensor element for
- the optical effect of the decorative layer system can be activated by an alternating electromagnetic field as an external activation signal and that the
- Decorative layer system comprises one or more antenna structures for detecting the electromagnetic alternating field forming electrically conductive layers, which serve as a sensor element for detecting the electromagnetic alternating field.
- suitable antenna structures are used as antenna structures for the respective frequency range used, for example coil-shaped antennas, dipole antennas, bipolar antennas or capacitive coupling structures.
- the optical effect of the decorative layer system is activated by an alternating electromagnetic field as an external activation signal and the decorative layer system has one or more at least partially plate-shaped electrically conductive layers for capacitive coupling of the electromagnetic alternating field, as a sensor element (e) for detecting serve the electromagnetic alternating field.
- Such coupling of the activation signal represents a particularly robust solution, which enables a selective and targeted activation of the film body.
- the display element or the electronic circuit is designed so that the display element remains activated after a single activation, preferably the activation of the display element can not be reversed. After activation, the visually recognizable information thus remains permanently visible. This can be achieved on the one hand by the use of monostable display elements, on the other hand by an electronic circuit
- the decorative layer system comprises one or more layers, which form a sensor element for detecting an external deactivation signal and that the
- Sensor element is connected directly or via an electronic circuit with the display element such that the display element is deactivated upon receipt of the deactivation signal. Furthermore, it is also possible for the display element to remain activated only as long as the activation signal is detected by the sensor element.
- the multilayer body
- Switching element which activates the display element after a predefined timeout.
- the appearance of the decorative layer system changes with time. In this embodiment, it is therefore possible to dispense with a sensor element for detecting an external activation signal.
- the decorative layer system has one or more layers that form an electrical energy source.
- This electrical energy source is in this case connected directly or via a switching element with the display element.
- the decorative layer system thus preferably comprises two or more layers, which one Form electrochemical flat battery as an electrical energy source.
- the decorative layer system it is possible, for example, for the decorative layer system to have one or more electrically conductive layers which are formed, at least in regions, as a flat coil for the inductive coupling of energy from an alternating electromagnetic field, the flat coil having a tuning capacitance and a rectifier as an energy source for generating a direct current is interconnected.
- the decorative layer system has one or more electrically conductive layers, which are formed at least in regions as plate-shaped metal surfaces for the capacitive coupling of energy from an alternating electromagnetic field, the plate-shaped metal surfaces with a rectifier and a capacitor as an energy source for generating a direct current are interconnected.
- the decorative layer system has one or more preferably organic solar cells having layers as an energy source, or one or more layers consisting of a piezo material which, for example, kinks or bending or heat or cold action of the film body one of the corresponding
- Electrode layers detected and generated by a capacitor voltage pulse generate.
- the decorative layer system as an energy source one or more electrodes for Recording of generated by friction and electrostatic charge carrier has.
- the decorative layer system here has a serving as an energy storage capacity, which is charged by the energy sources described above and is connected directly or indirectly to the display element.
- a power source combined of two or more of the above energy sources, e.g. a piezoelectric element or a solar cell with a battery.
- an electronic circuit is provided between the power source and the display element, which may include, inter alia, a switching element which establishes or interrupts the connection between the power source and the display element.
- the electronic circuit is preferably formed by two or more layers of the decorative layer system, which forms an organic electronic circuit comprising one or more semiconductive layers applied from a solution.
- the electronic circuit is in this case on the one hand connected to the power source and on the other hand to the display element and controls the activation of the display element.
- a switching element here are preferably organic field effect transistors use.
- the decorative layer system comprises two electrode layers and one or more layers arranged between the electrode layers comprising a nematic or choleric liquid crystal material, an electrochromic material, an electroluminescent material or an organic (or inorganic) phosphor, which form the electrically controlled display element ,
- the display element may thus have, for example, spheres filled with liquid crystal enclosed in a polymer matrix, which can be aligned by an electrical voltage and thus can be switched from opaque to transparent.
- cholesteric liquid crystal materials can also be used.
- electrochromic materials changes the color of the display element when the dye is reduced by an electrochemical reaction.
- an electroluminescent substance phosphorus is excited to glow via an alternating electric field.
- colored electric particles are possible, which are arranged between two electrodes and are moved by electrostatic forces, so that they are visible or invisible to the viewer.
- organic light-emitting diodes as Display element possible, here organic phosphors are excited by a current to shine.
- thermochromic layer which is arranged adjacent to an electrical heating element, for example a meander-shaped conductor track, in the decorative layer system.
- an electrical heating element for example a meander-shaped conductor track
- thermochromic material of the thermochromic layer changes its color. It can be used as energy-activated, monostable or bistable display elements.
- the optically recognizable information is formed by one or more, preferably colored layers, which are arranged from the viewer's point of view above or below the display element and visible to the viewer upon activation of the display element, for example by this Layers are no longer obscured to the viewer become visible or by changing the background.
- one or both of the electrodes of the display element is formed by an unstructured electrode layer which is structured by overprinting with an electrically non-conductive printing material in negative form of optically recognizable information such that the electrodes only in the region of optically recognizable information have an electrically conductive surface in contact with the electrochromic material, the electroluminescent material or the organic / inorganic phosphor. It has proved to be particularly advantageous here, as an insulator for such structuring of
- Electrode layer or the electrode layers to use a thermal transfer wax As mixtures based preferablyer waxes and resins having a dropping point of 90 to 110 ° C and a solidification point of 75 to 85 0 C and a viscosity of 50 to 100 ° C at 100 uPA have proven particularly suitable.
- the wax layer is printed on the electrode layer by means of a thermal transfer printer.
- the thermal transfer printer is fed with a thermal transfer film which has a carrier film and a wax layer of a thermal transfer wax applied thereto.
- the thermal transfer wax layer is produced by a thermal transfer printhead that is digitally driven, partially melted and in each case a small area of the transfer layer of the thermal transfer film transferred to the electrode.
- Thermal transfer layer a particularly good resistance to the photoactive materials used by the display element, e.g. have luminescent materials, organic or inorganic phosphors, and so the reliability of the display element is improved by the use of such an insulator layer.
- the decorative layer system two or more different visually recognizable
- the film body is used as an optically dynamic label in an overall system.
- This system consists of a radio activator and a variety of optically dynamic labels that can be used on a variety of products due to the cost-effective production for marketing purposes.
- the optically dynamic labels can be charged, for example, in the packaging industry, for example on chip bags.
- various information such as images or numbers for a raffle can be hidden behind the ad.
- packs are distributed on each of which an activatable logo as visible, optically identifiable information is. There are only a limited number of variations of the logo provided (eg heart, star, champagne glass).
- outer packaging There are so two or more different groups of outer packaging provided, wherein the outer packaging of the same group each have the same activatable information that is different from the activatable information of the other group. Further, it is also possible that a further group of outer packaging is provided, which have a non-activated optically dynamic label corresponding optical appearance, but do not have an electrically controlled display element. Such "dummies" can limit the odds of winning.
- the film body according to the invention for tickets, brand protection elements (eg labels), lots, playing cards or other games or to design it as an RFID tag with additional optical information,
- the electrically controlled display elements may also be segmented, e.g. to build a 7-segment element (representation of numbers or letters). Furthermore, a plurality of electrically controlled display elements can be provided next to one another, which when activated make different logo elements or information elements visible.
- the display elements can be designed so that the optically recognizable information only when directly activated (for example, by pressing a button or by direct action of an electromagnetic
- Alternating field is visible, flashing or even - with different display elements - these elements are activated one after the other and so the respective information is made visible one after the other.
- the display elements can also be permanently activated and the information so remain permanently visible by a single activation or be switched back by a "reset" signal.
- the activator which transmits a predefined alternating electromagnetic field, can activate the logos at the manufacturer's stand as part of a raffle.
- the optically dynamic label can also be used as a means of payment.
- the logo can be activated at the cash desk after payment and become visible. After the goods issue, the symbol is deactivated again. This process can be repeated.
- the display element can also be permanently activated, ie the information is retained after a single activation.
- the multi-layer body according to the invention can also serve as an intelligent and interactive operating manual. By activation, e.g. Additional information on the product, handling or its usability are displayed.
- the multilayer body according to the invention can serve as a security feature for identifying the authenticity of products.
- the manufacturer can recognize by activation whether or not the product is a copycat product and, in the case of warranty claims or the disposal of products, determine whether the goods actually come from him and he is obliged to provide services or not.
- the film body according to the invention can also be used as a label for the monitoring of electronic components. In electronics, certain components may not be exposed to strong electrical or magnetic fields. To check compliance with these regulations, a multi-layer body according to the invention can be used as an indicator for such products or their packaging.
- the film body in this case has a sensor element for detecting the electric or magnetic fields and the
- Display element is activated as soon as the predefined limits are exceeded.
- the film body according to the invention can also be used as a label for the monitoring of foods and be charged for this purpose to the food or its packaging.
- the film body in this case, for example, Sensor elements for detecting the temperature of the food (cold chain), monitoring the duration of the light (for example UV-sensitive products) or the tightness of the packaging (detection of oxygen content, nitrogen content, water, etc.). If the predefined limits are exceeded, the display element is activated and the information, for example a warning, is made visible.
- film bodies according to the invention forms an interactive poster in which an activation signal can trigger a change in a layout or a graphic of the poster.
- an activation signal can trigger a change in a layout or a graphic of the poster.
- Other applications that show an interactive behavior are also possible, eg integration of the film element in a T-shirt (or other garments), a bracelet, a watch or a pendant, whereby the optical display element can also be specifically activated here.
- the film body of the invention can be adhered as a label on packaging or surfaces. Furthermore, there is the possibility that the film body is pushed into a packaging with it. It is also possible that in the packaging a recess corresponding to the dimension of the display element, e.g. is punched and the film body attached from the back exactly to the recess on the package, for example, glued to the packaging.
- the display element is preferably colored to the
- the film body itself represents a packaging film for outer packaging and the display element and further components (energy source, electronics, sensor element) are applied by printing processes during the production of the packaging film.
- the film body according to the invention is preferably produced in a roll-to-roll process essentially by means of a printing process.
- Fig. 1 shows a schematic representation of a film body according to the invention.
- FIG. 2 shows a schematic sectional illustration of the film body according to FIG. 1.
- FIG 3 shows a product marking system with an activator and a film body according to the invention.
- FIGS. 1 and 2 show a film body 1 which has a carrier layer 10 and a decorative layer system 11.
- the film body 1 may also have further layers, for example adhesive layers, protective layers or adhesion-promoting layers.
- the carrier layer 10 is preferably a plastic film, in particular polyester, Polyethylene, polycarbonate, polypropylene,
- the decorative layer system 11 consists of several layers, which are preferably applied in structured form by means of a printing process, for example gravure printing or pad printing, in a roll-to-roll process.
- FIG. 2 shows, for example, a plurality of electrically conductive layers 12, 14 and 16, a layer 13 of an optically active material and a layer 15 of electrically non-conductive material. These electrical functional layers are encapsulated by means of a protective layer 17.
- the electrically conductive functional layer 12 - as indicated in FIG. 1 - is formed in the form of two plate-shaped metal surfaces 21 and 22, which is the capacitive coupling of the Electromagnetic alternating field in the film body 1 serve.
- the electrical functional layers of the decorative layer system 11 are arranged and shaped to form an organic electronic circuit.
- an electronic circuit 3 is thus provided, which is connected on the one hand to the sensor element 2 and on the other side to a display element 4 via electrically conductive connection paths.
- the electronic circuit 3 has a rectifier composed of one or more organic diodes or field-effect transistors and a downstream one
- the electronic circuit 3 may contain further components, for example a switching element, which comprises the Power supply to the display element controls or a logic circuit which decodes, for example, an information modulated on the coupled electromagnetic alternating field information and / or signals from other sensor elements, logically linked this information and causes an application of the display element by means of the switching element in accordance with predefined conditions.
- a switching element which comprises the Power supply to the display element controls or a logic circuit which decodes, for example, an information modulated on the coupled electromagnetic alternating field information and / or signals from other sensor elements, logically linked this information and causes an application of the display element by means of the switching element in accordance with predefined conditions.
- These components are constructed by the arrangement and formation of electrical functional layers comprehensive electrically conductive functional layers, electrically semiconductive functional layers and electrically non-conductive functional layers, by means of which preferably an electronic circuit based on organic field effect transistors, capacitors and resistors is constructed essentially by means of printing.
- the functional layer 13 consists of a material which changes its optical properties upon application of an electric field or during an electric current flow.
- the layer 13 thus consists for example of a polymer matrix with cavities which are filled with a nematic or cholesteric liquid crystal material, so that upon application of an electric field a change in the optical appearance of the Layer 13 results.
- the layer 13 can also consist of an electrochromic material, an electroluminescent material, an electrophoretic material or of an organic luminescent material, it also being possible for further layers to be provided between the layers 12 and 13 here.
- One or more of the layers 12, 13 or 14 are formed in the region of the display element 4 in the form of optically recognizable information, so that upon activation of the display element 4, ie when a voltage is applied to the terminal contacts of the
- Display element 4 changes the visual appearance of the display element 4 in the region of optically recognizable information and the optically recognizable information 5 is optically visible.
- electrically conductive functional layers preferably thin metal layers in the thickness range between about 1 and 5 nm are used, for example consisting of copper, aluminum, silver, gold or a metal alloy. Furthermore, it is also possible for the electrically conductive functional layers-in particular in the region of the display element 4-to consist of a transparent conductive material such as ITO or TIO x or of an organic conductive material such as PEDOT / PSS, pani or carbon nanotubes.
- the electrically semiconducting functional layers of the decorative layer system 11 preferably consist of a organic semiconductors, for example polythiophene, polyterthropes, polyfluorene, pentacene, tetracenes, oligotropes, inorganic silicon embedded in a polymer matrix, nano-silicon or polyarylamine or carbon nanotubes.
- a organic semiconductors for example polythiophene, polyterthropes, polyfluorene, pentacene, tetracenes, oligotropes, inorganic silicon embedded in a polymer matrix, nano-silicon or polyarylamine or carbon nanotubes.
- Semiconductor layer is preferably between 5 nm and 1 micron.
- the semiconductor layer is applied from a solution, for example an aqueous solution, by means of a printing method, for example a gravure printing method or tampon printing method, or else by means of spin coating, spraying or casting.
- the electrically semiconducting functional layer can also be formed from a layer consisting essentially of inorganic substances which are applied from a solution.
- the layer can consist of a layer of an inorganic semiconductor applied from a solution, for example nanoparticles of an inorganic semiconductor, for example silicon, which are applied from a solution by means of one of the above-mentioned methods, with a layer thickness between 5 nm and 1 ⁇ m.
- the electrically non-conductive functional layer of the decorative layer system 11 is preferably a layer of a polymer material, for example of polymethylmethacrylate (PMMA), PVP, PHS, PS, polystyrene copolymers, urea resins or PMMA. Copolymers with a layer thickness of 5 nm to 16 microns.
- This layer is also preferably applied from a solution by means of one of the methods described above, in particular by means of offset, inkjet printing, gravure printing or screen printing or flexographic printing.
- the decorative layer system 11 it is also possible not to manufacture the decorative layer system 11 in a single, continuous production process, but to manufacture individual components of the decorative layer system 11, for example the electronic circuit 3 and / or the display element 4, separately in a roll-to-roll process and then, for example, applied to the electrically conductive functional layer 12 and electrically connected to the corresponding other components by means of an electrically conductive adhesive.
- the film body 1 shown in FIG. 1 is separated after production and applied for example as a label on a game card.
- the film body 1 in this case forms part of a system which comprises a plurality of further playing cards, which are likewise provided with a film body designed according to FIG. 1, but whose display elements are one of the optical ones
- Information provide different optical information, and further comprise an adapted to the sensor 2 activator.
- the activator points here also two plate-shaped metal surfaces, which are matched to the metal surfaces 21 and 22. With appropriate coverage of the associated plates of the activator and the respective game card is a coupling of the electromagnetic alternating field, which is rectified by the electronics 3 and converted into a DC voltage, which activates the display element 4 and makes the information visible.
- Fig. 3 shows a product marking system with an activator 7 and a film body 6.
- the film body 6 is the same as the film body 1 of FIGS. 1 and 2, with the difference that by means of the arrangement and shape of the electrically conductive, electrically semiconducting and electrically insulating layers of the decorative layer system 11 in the film body 6 thereof are implemented different functions in the decorative layer system.
- the film body 6 thus has a sensor element 61, a sensor element 64, an electronic circuit 62, a power source 63 and a display element 65, which are formed as described above by the arrangement and shaping of the layers of the decorative layer system.
- the sensor element 61 is formed by an antenna coil which is responsive to the detection of an electromagnetic alternating field 8 emitted by an activator 7 is tuned.
- the power source 63 is a push-pull electrochemical flat battery.
- the sensor element 64 is a temperature sensor which is formed, for example, by an arrangement consisting of two electrodes and a semiconductor arranged between these electrodes with a corresponding temperature-dependent conductivity.
- the display element 65 is formed, for example, like the display element 4 according to FIG.
- the electronic circuit 62 detects, on the one hand, the electromagnetic alternating field 8 coupled in via the sensor element 61 and the signal provided by the temperature sensor 64.
- a corresponding activation signal 8 is detected by the electronic circuit 62, it starts monitoring the temperature by means of the signal from the sensor element 64 as to whether a predetermined limit value is exceeded.
- the electronic circuit 62 activates the display element 65 so that optical information, for example a warning, is visible.
- the film body 6 is used for example as a label for the monitoring of food and this example applied to the food to be monitored or their packaging, or forms part of such packaging.
- the film body 6 may in this case also have further sensor elements which detect, for example, the light irradiation or the oxygen content and whose signals are checked by the electronic circuit 62 for compliance with predefined limit values.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Laminated Bodies (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Wrappers (AREA)
- Electroluminescent Light Sources (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007043407A DE102007043407A1 (en) | 2007-09-12 | 2007-09-12 | Multilayer flexible film body |
PCT/EP2008/007445 WO2009033662A1 (en) | 2007-09-12 | 2008-09-11 | Multilayer flexible foil body |
Publications (2)
Publication Number | Publication Date |
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EP2188799A1 true EP2188799A1 (en) | 2010-05-26 |
EP2188799B1 EP2188799B1 (en) | 2011-08-03 |
Family
ID=40216540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08802006A Active EP2188799B1 (en) | 2007-09-12 | 2008-09-11 | Flexible multilayer foil |
Country Status (11)
Country | Link |
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US (1) | US8604907B2 (en) |
EP (1) | EP2188799B1 (en) |
JP (1) | JP5405471B2 (en) |
KR (1) | KR101468762B1 (en) |
CN (1) | CN101802890B (en) |
AT (1) | ATE519194T1 (en) |
AU (1) | AU2008297932B2 (en) |
CA (1) | CA2698548C (en) |
DE (1) | DE102007043407A1 (en) |
ES (1) | ES2371057T3 (en) |
WO (1) | WO2009033662A1 (en) |
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2008
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- 2008-09-11 EP EP08802006A patent/EP2188799B1/en active Active
- 2008-09-11 ES ES08802006T patent/ES2371057T3/en active Active
- 2008-09-11 AU AU2008297932A patent/AU2008297932B2/en not_active Ceased
- 2008-09-11 WO PCT/EP2008/007445 patent/WO2009033662A1/en active Application Filing
- 2008-09-11 US US12/677,372 patent/US8604907B2/en active Active
- 2008-09-11 KR KR1020107005286A patent/KR101468762B1/en active IP Right Grant
- 2008-09-11 CA CA2698548A patent/CA2698548C/en not_active Expired - Fee Related
- 2008-09-11 AT AT08802006T patent/ATE519194T1/en active
- 2008-09-11 JP JP2010524396A patent/JP5405471B2/en not_active Expired - Fee Related
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Also Published As
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KR20100052529A (en) | 2010-05-19 |
CN101802890A (en) | 2010-08-11 |
JP5405471B2 (en) | 2014-02-05 |
CA2698548A1 (en) | 2009-03-19 |
AU2008297932B2 (en) | 2012-09-27 |
US8604907B2 (en) | 2013-12-10 |
CA2698548C (en) | 2016-01-05 |
KR101468762B1 (en) | 2014-12-03 |
JP2010540353A (en) | 2010-12-24 |
EP2188799B1 (en) | 2011-08-03 |
AU2008297932A1 (en) | 2009-03-19 |
ATE519194T1 (en) | 2011-08-15 |
DE102007043407A1 (en) | 2009-03-19 |
CN101802890B (en) | 2012-11-07 |
US20100245112A1 (en) | 2010-09-30 |
ES2371057T3 (en) | 2011-12-27 |
WO2009033662A1 (en) | 2009-03-19 |
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