WO2006110622A2 - Layered label structure with timer - Google Patents
Layered label structure with timer Download PDFInfo
- Publication number
- WO2006110622A2 WO2006110622A2 PCT/US2006/013236 US2006013236W WO2006110622A2 WO 2006110622 A2 WO2006110622 A2 WO 2006110622A2 US 2006013236 W US2006013236 W US 2006013236W WO 2006110622 A2 WO2006110622 A2 WO 2006110622A2
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- WO
- WIPO (PCT)
- Prior art keywords
- layer
- layered structure
- display
- power source
- pair
- Prior art date
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Classifications
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- 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
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- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F13/00—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00
- G04F13/04—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using electrochemical means
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- 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
- G09F3/0294—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time where the change is not permanent, e.g. labels only readable under a special light, temperature indicating labels and the like
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/40—Printed batteries, e.g. thin film batteries
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10037—Printed or non-printed battery
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10128—Display
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/13—Moulding and encapsulation; Deposition techniques; Protective layers
- H05K2203/1305—Moulding and encapsulation
- H05K2203/1311—Foil encapsulation, e.g. of mounted components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a thin, layered, active label structure with built-in electronic functionality, for example an embedded active display and associated electronics for driving the display.
- the display and/or other functional elements in the structure are formed by printing processes.
- Label labels have played an important role in communicating information to people and devices.
- the primary purpose of labels is to provide information such as: directions for use; product identification; trademarks; promotions; production; freshness or "use-by" dates; product authentication; and other product-related information.
- Existing labels generally convey static information such as type, logos, graphics and product identification information, such as barcodes and the like.
- variable information e.g., product serial numbers
- labels are usually affixed to the product or its container) but are closely associated with a product or service; for example, a timer token packaged with a product indicating elapsed time relating to product use, variable use instructions, or other active package inserts may be produced to accompany product packaging or be constructed directly on product packaging.
- thermochromic or photochromic inks that respond to environmental conditions such as temperature or light.
- environmental conditions such as temperature or light.
- optically variable images have been used to add active components to labels, but the utility of such approaches is limited by the inability to control the activation of an alternate image.
- Displays are generally differentiated from print by the capability to actively change an image. Print is considered static, because once the image is produced, it cannot change or be influenced by the external environment. Displays, on the other hand, have the ability to change, based on a given input or environmental condition.
- LCDs Liquid Crystal Displays
- OLEDs Organic Light Emitting Diodes
- Displays can vary in complexity from simple, single dot or icon images to full- color video.
- the information content depends on the purpose of the specific display and the particular communication need. Examples may include a single icon that communicates a desired warning message, an alpha-numeric display that communicates words and numeric values or a matrix addressable display that communicates more complex images such as maps or pictures.
- the rate at which the display can change or update determines the stream of information which can be updated.
- OLEDs provide color and very high resolution. OLEDs can be made flexible but require significant power and are most suitable for high value, high content applications.
- printing techniques generally benefit from cost savings and production efficiencies. Electro-phoretic displays take advantage of some of the print manufacturing process benefits. This technology may implement screen printing to deposit the active layer between a conductive front and backplane. However, relatively thick layers of ink are required and cell thickness must be tightly controlled. Moreover, operating voltages for electro-phoretic displays are high, typically more than 7 volts, which requires additional components to alter the power from traditional batteries.
- the present invention relates to a thin, layered, variable label structure with built- in electronic functionality.
- the display and/or other functional elements in the structure may be fonned by printing processes.
- the label structure includes a thin, layered structure with an active display, comprising a base layer and a cover layer of material and a display component situated between the base layer and the cover layer.
- the display is formed with a layer of electrochromic ink and a pair of spaced apart electrodes.
- the cover layer includes a window to allow for the layer of electrochromic ink to be visible through the cover layer.
- the label also is configured to respond to an actuating event by completing an electrical connection between a power source and the pair of spaced apart electrodes of the display component, thereby causing the display to change its appearance.
- the actuating event may include a variety of occurrences, such as: pressing a switch on the label, introducing a power source to activate the display, and a sensor sensing a condition near the label.
- Figure 1 is a plan view of a display electrode configuration with a side-by-side contact arrangement.
- Figure 2A is a schematic cross-section side view of a label structure of the present invention incorporating an active display and terminals for contacting an external power probe for powering the display.
- Figure 2B is a schematic cross-section side view of a label structure of the present invention incorporating an active display and an RF antenna for powering the display.
- Figure 2C is a schematic cross-section side view of a label structure of the present invention incorporating an active display and an internal battery for powering the display.
- Figure 2D is a schematic cross-section side view of a label structure of the present invention incorporating an active display, an internal battery for powering the display, and a sensor for actuating the display.
- Figure 3 A is a schematic cross-section side view of a label structure of the present invention including a switch and internal battery and being configured to show elapsed time.
- Figure 3B is a schematic cross-section top view of another label structure of the present invention including a switch and internal battery and being configured to show elapsed time.
- Figure 4A is a top view of the label structure shown in Figure 3 A.
- Figure 4B is a top view of a label structure of the present invention including two switches and being configured to show elapsed time.
- Figure 4C is a top view of a label structure of the present invention including a sensor and being configured to show elapsed time.
- Figure 4D is a top view of a label structure of the present invention including two sensors and two pixels.
- Figure 4E is a top view of a label structure of the present invention including two sensors, two switches, and two pixels.
- Figure 4F is a top view of the label structure shown in Figure 3B including timeline on the graphic ink layer to give context to the imaging display material.
- Figures 5A-5J are top views of a label structure of the present invention at various stations of a print process.
- Figure 6 is a top view of a label structure of the present invention including six switches and being configured to show a product dosage size.
- the present invention relates to label display technology that can be produced entirely or primarily through printing processes, such as the flexographic, gravure, or rotary screen processes.
- the resulting display labels are extremely thin and flexible and can be printed on a variety of substrates such as papers, films, foils or other flexible substrates.
- the low cost associated with the printing processes and the label materials allows implementation at very high volumes that cannot be achieved with current display technologies.
- the display labels may be powered through a variety of means, such as an external probe, an RF antenna, or an internal embedded or printed battery.
- the label structures described herein may also be constructed in non-label embodiments as well, such as timer tokens, package instructions, electrochromic holographic structures, or other active structures.
- the display labels provide active images that can be controlled by a variety of actuating events that cause the label to display visual information.
- the display labels of the present invention typically employ electrochromic material as the display, which responds chemically and visibly to an actuating event.
- the display may be produced with existing print processes used to manufacture conventional static images by depositing the electrochromic material in the desired configuration, as described in more detail below.
- Activation of the label's image requires an electrical input, which can be controlled through the use of printed switches, sensors, or other low cost actuation methods.
- the invention allows for the combination of active images in the electrochromic display material with static images elsewhere in the label, which increases the quantity of information communicated visually by the label.
- the information communicated by the display label may be simple, such as an "on/off message indicator or "good/bad” message indicator.
- more complicated information may also be communicated through the display label through the use of configurations such as an active matrix display. Regardless of the complexity of the information communicated, the image of the active display generally changes in response to an actuating event.
- the display label includes an electrochromic display material 110 deposited in the label structure in contact with a pair of spaced apart electrodes 120 and 130, which may be described as the anode and cathode of the display.
- the display construction described in more detail below, requires the positive electrode (cathode) 130 and negative electrode (anode) 120 be configured to supply a direct current and potential across the display material 110.
- the electrochromic display material 110 is typically formed with non-aqueous electro-active ink. Examples of such inks are disclosed in U.S. Patent Nos. 6,639,709, 6,744,549, and 6,879,424, and U.S. Application No.
- a variety of actuating events may trigger a change in the display material 110.
- An actuating event creates a potential difference across the two electrodes 120 and 130, which in turn causes at least a portion of the display material 110 to image, i.e., to present a visible change in the display material 110.
- the display material 110 is caused to image by connecting the electrodes to a DC power supply.
- the applied voltage causes current to run across the display material 110, which, in turn results in illumination or "imaging" of the display material ink.
- the non-aqueous ink described above is known to image at about 1.2 volts DC, but lower voltages such as 0.8 volts may suffice in certain configurations.
- the geometry of the electrodes and display material can be varied independent of the power source provided, as is described in more detail below.
- the electrodes are configured in either a planar configuration, formed side-by-side on the same substrate of the display label, or in a co-planar geometry, formed on different substrates of the display label.
- the anode and cathode are spatially and electrically separated by spacer or a suitable dielectric material.
- the display label components of the present invention are produced through traditional print processes such as the rotary or flat screen printing, flexography, or gravure processes.
- the construction of the label structure, including the display material and power source may be produced through a high speed print process, which allows for high-quantity and low-cost production of the labels.
- non-printed, preformed components such as integrated circuits and sensors, may be inserted to the label structure during or after the printing process.
- Suitable print processes include offset lithography, flexography, gravure, screen printing and digital printing such as electrostatic toners and ink jet.
- Offset lithography dominates the traditional print markets due to the high speeds, full color and substrate tolerances achieved.
- the next highest volume print methods include flexography and gravure.
- the primary advantages of these processes are that a wide variety of inks and substrates can be used at high speed. Screen printing can be used in either a rotary format or flat-bed format. The primary advantage of screen printing is that thicker ink layers can be deposited than by either lithography, flexography or gravure, but the process typically runs much slower. These methods do not typically allow for changes on a sheet-by-sheet basis. However, when variability of the image is not a dominating consideration or the print run is long, these methods entail much lower cost than other print methods.
- the primary advantage of digital print methods is the ability to change images on a sheet-by-sheet or cell-by-cell basis which allows variable print and is particularly economical when only short print runs are required. This method may be desirable when variable images are required, such as serialization of a set of labels.
- Figures 2A, 2B, 2C, and 2D show a schematic cross-section side view of a label structure 200 incorporating an active display 110, each powered by different means in accordance with embodiments of the present invention.
- the label structure 200 includes several discrete layers, which are applied sequentially during the printing process.
- these layers, or components include a base layer 210, circuitry 220, display material 110, a laminating adhesive 230, a cover film 240, and a graphic ink layer 250.
- the base layer, or base substrate, 210 supports the overall label structure.
- Base layer 210 is typically a traditional label stock and may include a poly-coated paper or film with a pressure sensitive adhesive coated on one side and may be laminated to a silicone coated release sheet.
- different substrates may be suitable for the base layer 210, such as paper, card stocks, un-supported films and the like.
- the circuitry 220 includes anodic electrode 120 and cathodic electrode 130, along with their respective conductive traces 290 and 280 connecting them to a power source and any other desired interconnecting circuits and pixels.
- the electrodes 120 and 130 and conductive traces 290 and 280 may be produced using a variety of conductive materials for both the anode and cathode.
- suitable electrode conductor materials for the circuitry layer 220 include printed conductive silver, etched or stamped foils, printed conductive carbon or die cut metallic foils.
- the cathode conductor 130 should have chemical resistance to the electro-active ink, suitable conductivity, and the ability to pattern the electrodes spatially.
- the traces 280 and 290 are produced by a printing process with the same conductive material.
- suitable backplanes in circuitry layer 220 on base layer 210 can be constructed using a wide variety of conductive materials.
- the backplane typically forms the display image, which can be as complex as a matrix addressable pattern or as simple as a single pixel indicator.
- the laminating adhesive 230 encloses the display material 110, and the cover film 240 encapsulates the top portion of the display material 110.
- the adhesive 230 is applied by printing around the display material 110 and adheres the cover film 240 to the base layer 210 or the circuitry layer 220.
- the cover film 240 is a clear film of any number of suitable materials, such as polyester, polyethylene, or PVC, and it is laminated over the display material 110 and adhesive 230. In a side-by-side, or planar, configuration as shown in Figs.
- the positive electrode 130 and negative electrode 120 are both situated in the same layer, namely the circuitry layer 220
- the display material 110 is encased by cover film 240, which is a clear overprint to protect the lower layers and contain the display materials.
- the anodic and cathodic electrodes 120 and 130 are produced as part of circuitry layer 220 on top of layer 210. When power is applied to the traces 280 and 290, the current flows between the two electrodes 120/130 and activates the display.
- cover film 240 may be a clear conductive film, such as Indium Tin Oxide coated polyester (ITO film).
- ITO film Indium Tin Oxide coated polyester
- the cathode is printed and the ITO both forms the anode and functions as the protective layer.
- the ITO film is attached to the backplane through the use of a printed laminating adhesive.
- a conductive adhesive can also be printed to provide an electrical connection between the ITO and the backplane, if desired.
- Connection of the frontplane conductor 240 to the backplane, if desired, may also be achieved by depositing a drop of conductive adhesive which provides an electrical connection between the anode and the anode circuit on the backplane.
- a protective layer such as varnish
- the varnish is deposited as a printed coating and is cured through UV or EB radiation or through- thermal drying during the print process.
- a graphic ink layer 250 may be applied to the cover film 240.
- the graphic ink layer 250 is printed with traditional graphic inks to produce the desired static image, message, or other information for the label, such as calibration marks having a specified relation to the display or directions for use.
- the graphic ink layer 250 includes a window to allow the display material 100 to be visible, which allows the static images of the graphic ink layer 250 to be used in concert with the active images produced by in the display material 110. For example, it may be desirable for certain applications to print a reference color or color scale on the graphic ink layer 250 that approximates the active color of the display material 110 in proximity of the active image to provide a visual reference for the user.
- the label structure 200 includes an IC, sensor, or other electrical component that is not printable and which is in electrical connection with the electrodes 120/130 and configured to drive display material 110.
- the IC provides dynamic communication to the display 110 to achieve varying images as desired.
- the incorporation of an IC, sensor, or other electrical component provides a means to increase the complexity of display possibilities, thereby achieving greater information communication.
- Figure 2D shows a label structure 200 including a sensor 330 embedded into circuitry layer 220 by adhesive 230.
- the sensor 330 may be any number of known sensors, such as an environmental sensor that measures temperature or pressure.
- the sensor may be placed so as to sense conditions actually present in or near a product or to sense more generally the conditions surrounding a product.
- circuitry 220 In addition to the particular layers and components described, for particular applications of the label structure 200, a variety of other layers and electrical components may be incorporated into circuitry 220 or even other layers of the structure 200.
- the surfaces of the structure 200 and the various constituent layers can be used to carry the necessary connecting circuitry for electrical elements.
- Each layer's front and back may be used for circuitry, including printable resistive, dielectric, or other components.
- Techniques such as through-hole printing may be employed to bring a conductive circuit from one face of a layer to the other. This is accomplished by providing a via through a film layer that is connected electrically by providing a conductive material through the via.
- the circuitry may be in the form of conductive traces such as printed silver or other conductive, resistive, or dielectric materials that are known in the art.
- the label structure is usable as a timer device.
- printed resistors may be provided to govern the current flow to individual pixels of the display material 110, which alters the rate of imaging of each pixel. As described in more detail below, by appropriately calibrating the resistors as a function of time, the individual pixels are thereby sequentially activated, which allows the label to function as a low cost timer.
- all of the elements and components of the label structure 200 may either be printed in a printing line or readily added to the steps occurring in a printing line.
- Known processes may be used to print, or build with printed layers, a wide variety of elements such as display pixels, conductive traces, resistors, switches, batteries, capacitors, conductive adhesive, electrodes, capacitors, and antennas. These processes are described in more detail in U.S. Patent Application No. 11/209,345, entitled, "Layered Structure with Printed Elements,” filed August 22, 2005, which is herein incorporated by reference.
- the actuating event that activates the display material does so by completing a circuit between a power source and the electrodes 120/130.
- the displays may be activated by a variety of power sources, such as external probes, RF fields, and internal power. The selection of power source may be dictated by the particular application of the display label.
- an external power supply such as a probe is employed to activate the display.
- the label structure 200 includes a positive terminal 260 and a negative terminal 270 that are electrically connected to electrodes 130 and 120 respectively. The terminals are connected to the electrodes by conductive traces 280 and 290. Because structure 200 includes a plurality of layers, each layer, front and back, may be used for circuitry, including printable conductive traces. Techniques such as through-hole printing may be employed to bring a conductive traces 280 and 290 from one face of a layer to the other as shown in Figure 2 A.
- the conductive traces may be a printed silver or other conductive material that is known in the art.
- terminals 260 and 270 are situated on an outer surface of the label structure, they are exposed such that they may be contacted by an external probe to supply the desired voltage and current to the display, which changes the image of the display material 110.
- the external supply may be part of a larger assembly, if desired. Typically, such an external supply is battery operated and portable. With the external probe, the actuating event is typically the action of bringing the probe into contact with terminals 260 and 270.
- Such a label provides an inexpensive way to display an otherwise invisible authentication marking.
- the label structure 200 includes a properly tuned RF antenna 310.
- the antenna 310 is electrically connected directly to the electrodes 120 and 130 by traces 290 and 280 and may be printed through the processes described below using conductive material such as that used to construct the display backplane.
- the actuating event is typically the action of bringing an RF transmitter (not shown) into sufficient proximity to RF antenna 310.
- a current is generated through the display when the antenna is inductively coupled to the transmitter with sufficient power. Because this power source provides an alternating current, a diode must be included in the display circuit to convert the current to direct current, which is required to activate the displays of the present invention.
- the diode can be provided through a traditional surface mount component or can be printed along with the other electrical components of the label. If the diode circuit is pre-produced on the desired label substrate in a pre-determined location, it may subsequently be finished through the printing process to add the other display components. Such a label provides an inexpensive way to display an otherwise invisible authentication marking.
- the display is powered by an internal battery 310, so that an external power source is not required.
- the battery 300 is electrically connected to electrodes 120 and 130.
- the internal battery 310 may be a pre-made component that is encapsulated or entirely printed into the label structure as an integrated part of the label. Specifically, during the label construction, the anode and cathode of the battery are printed along with the desired display image. This process is described in more detail in U.S. Patent Application No. 11/209,345.
- the display is actuated by external stimuli, such as touch, or by internal stimuli, such as sensor 330.
- a traditional membrane switch 320 or other means to turn the display on and off is provided and may be printed through known printing processes, as shown in Figure 2C.
- the switch 320 can be made permanent by providing a small conductive adhesive pad that permanently closes the switch when activated.
- an internal stimuli may actuate the display, such as sensor 330 that may be pre-made and incorporated into circuitry layer 220 during the printing process.
- the sensor 330 may be as simple as a component that closes a switch in response to an environmental condition being satisfied.
- the sensor 330 may be an environmental sensor that measures temperature.
- the actuating event is the structure reaching a predetermined high or low temperature, in response to which the sensor completes the electrical connection between electrodes 120/130 and the power source, battery 310.
- the sensor 330 can be one that accumulates or integrates over time other variables to which it is sensitive. Then, the sensor may deliver an activation output from the battery 310 only after a period of time; such a circuit may sense a longer term temperature exposure rather than a single threshold event.
- the label structure of the present invention has numerous applications, each of which provides for activating the display material in response to an actuating event, hi one example, a label structure is externally powered with a probe and the display material includes only a single pixel with planar electrodes and a graphic over-lay 250. In another example, a display includes a single pixel with planar electrodes and graphic overlay and the display material is RF-activated. hi yet another example, a display label includes a multi-pixel display with co-planar electrodes, and the display material is battery-powered and actuated by closing a membrane switch. In still yet another example, a display label includes RFID and a display and is actuated by an RF transmitter.
- the present invention may be configured to provide a label structure with an active display that indicates a time interval. Because the color change in the display material 110 is a function of several controllable variables, such as voltage, current, and display material volume, a desired configuration of power supply, circuitry, and display material may provide a label structure that communicates elapsed time.
- a label structure 400 may be assembled to communicate elapsed time by forming anodic electrode 120 to include a series of printed resistors 410a-410e in circuitry layer 220.
- Cathodic electrode 130 is formed at the intersection of display material 110 and cover film 240. This arrangement provides for five planar pixels or pixel areas 420a-420e within the display material 110.
- the power source is printed battery 310, such as a carbon zinc battery with a battery cathode connected to the common electrode 130 and the battery anode connected to the anode 120, which includes separated printed resistors 410a-420e that connect to pixels 420a-420e respectively.
- Each of resistors 410a-410e has a distinct resistance.
- a battery provides the power source in this example, other power sources described herein and known in the art may also be suitable for timer constructions in accordance with the present invention.
- each pixel 420a-420e In operation, responsive to an actuation event such as closing switch 320, the individual pixels 420a-420e are powered in parallel by the same power source 310.
- the current thereby supplied to each pixel 420 is greater for resistors 410 with lower resistance and lower for resistors 410 with greater resistance. Accordingly, because the development of color in each pixel 420 is a function of the current supplied that pixel, the resistance value of each resistor 420 may be specifically selected to correspond to the desired color development rate of the associated pixel.
- a static graphic in graphics layer 250 may be printed proximate each pixel 420 to indicate the corresponding elapsed time.
- backplane circuitry 220 is printed with five separate resistors 410.
- the resistors 410 are produced using a carbon resist ink well known in the art.
- the spacing between the five anodes within anode 120 and the common cathode 130 is 1 mm and the power supply is a printed carbon zinc battery 310 providing a potential difference of 1.5 volts.
- Resistor 410a has zero resistance
- printed resistor 410b has a resistance of 140 Kohms
- printed resistor 410c has a resistance of 350 Kohms
- resistor 41Od has a resistance of 600 Kohms
- resistor 41Oe has a resistance of 800 Kohms.
- Graphic ink layer 250 may include additional static information that provides context for the display 110, such as a time scale, time indicia, or other temporal visual image.
- Figure 4A which is a top view of the structure shown in Figure 3A, the graphic ink layer 250 includes the word "Minutes" and numbers corresponding to each pixel's 420 associated time.
- Graphic ink layer 250 also includes the word "Start" proximate switch 320, which actuates the timer.
- this timer label Numerous variations of this timer label are possible.
- a one minute and five minute, two pixel label structure can be constructed using two of the previous resistors, resistor 410a and 410c.
- Figure 4B also includes a second switch 340, which is configured to clear the existing display pixels 420a and 420c to allow for a subsequent timer actuation with switch 320.
- a single pixel, ten minute indicator may be constructed by printing only resistor 41Oe from the label structure described above.
- the display material 110 volume instead of or in combination with a resistor, may be used to achieve coloration of the pixel at the desired time.
- the base substrate 210 shown in Figure 5 A, is a pressure sensitive coated 2 mil polyester film laminated to a silicone release liner.
- the first print station prints cathode and anode current collectors 510 and 520 for the battery power source 310, as part of circuitry layer 220, onto base substrate 210.
- the second print station applies the conductive silver circuit that fo ⁇ ns the anode and cathode circuits 120/130, conductive traces 280/290, and the switch 320 layers to the base layer 210 as part of circuitry layer 220.
- An optional resistor 410 may also be printed along trace 290, as shown in Figure 5C.
- the third print station prints a manganese dioxide cathode 530 over the cathode current collector 510.
- the next print station applies a metallic zinc ink 540 over anode current collector 520.
- the following print station applies the electro-active display material 110 to form at least one pixel area 420.
- the next station applies the battery electrolyte 550 over both the cathode 530 and the anode 540 to complete the battery power source 310.
- the next station prints a UV curable laminating adhesive 230, which provides a surround that encloses both the electro-active display area 110 and the battery area 310, and which may also cover the battery 310.
- the next station laminates the cover film 240 over the display material 110 and adhesive 230 to encapsulate the display.
- Cover film 240 includes a window of transparent material such that display 110 is visible therethrough.
- the next station applies graphics layer 250, which may be pre-printed with both the label graphics as well as a shorting pad for switch 320.
- graphics layer 250 may be pre-printed with both the label graphics as well as a shorting pad for switch 320.
- the pre-printed web of graphics layer 250 is laminated to the cover film 240 using common laminating techniques well known in the art.
- the laminating adhesive is cured with UV energy to seal the entire structure.
- the web produced above can be finished into the final desired construction using label finishing techniques such as die cutting with matrix stripping to achieve singulated labels.
- label finishing techniques such as die cutting with matrix stripping to achieve singulated labels.
- the product can be serialized by the use of ink jet, laser printing or thermal transfer of serial numbers to each individual label.
- the timer construction shown in Figures 3B and 4F provides for a development of color in display material 110 at a fixed resistance and voltage.
- Cathodic electrode 130 is arranged askew relative to anodic electrode 120, such that the display material 110 will image sooner at points where the electrodes are closer and later at points where the electrodes are further apart.
- the display material 110 images along the electrodes substantially linearly with respect to time.
- the elapsed time is determined by comparing the progression of imaged display material 110 or the color visibly developed in the display material 110 against the visual reference.
- By changing the resistance of resistor 410 in anodic electrode 120 a change in the time scale is achieved, which allows timers with various ranges to be produced from the same basic design and materials.
- the present invention makes possible a new way of presenting use instructions.
- the recommended dose or amount to be consumed is variable depending on age or weight or other patent dimensions.
- a conventional way to present this information is in the form of a table or verbal description printed on an instruction sheet. If the table is complex, this can be difficult to understand and may be too large to present on a small container, at least in print fonts of reasonable size.
- FIG. 6 hi Figure 6 is shown a label configuration in which the user can select a button switch 320 for one of several weight ranges. By closing the switch, the user completes a circuit for a particular configuration of a segmented display 420, which identifies the dose or amount to be consumed, e.g., "1.5 TSP" or "0.5 oz.”
- Each switch maybe electrically connected to complete a separate circuit corresponding to unique deposits of display material.
- each switch may be electrically configured to logic components arranged to display different information on the same display material depending on the selected switch.
- a holographic product authentication label can be produced that provides the user with an active mark when activated through an external power source.
- a co-planar geometry is employed with a conductive ITO sputtered front plane and patterned backplane which form the image, hi this particular example, an embossed polyester film is sputtered with ITO to achieve a holographic effect on the surface of the display.
- the label appears to have a traditional hologram on the surface, which is fo ⁇ ned in graphics layer 250.
- the hologram is altered with either a discreet image or the entire hologram can change color.
- the display is activated by providing an external probe which provides at least 1.5 V to the display.
- the use of the probe eliminates the need for an internal power source and allows the hologram to be "activated" using a special probe to increase the security of the device.
- a further dimension of security may be added by use of the timing structures discussed above, such that the hologram is altered only after a specified lapse of time.
- the timer label described above is both powered and activated through the use of RF energy.
- a RF antenna is included in the conductive circuit.
- the antenna couples with a reader which provides the power for the timer circuit. Since the label is inactive until power is provided, moving the label within the reader range activates the timer thereby functioning as the switch as well.
- Radio frequency readers typically operate at 13.56 Mhz although other frequencies are employed as well.
- the energy inductively coupled is in the form of Alternating Current therefore a diode is included to convert the power to Direct Current to power the display. Therefore the timer is active whenever the antenna is coupled to the reader.
- a holographic display suitable for product authentication is produced, which is both powered and activated through the use of RF energy.
- the label has the appearance of a traditional hologram until it passes through a reader field where the display activates, providing an active hologram.
- the label construction may also be configured with variations of the aforementioned arrangements.
- Figures 4D and 4E show label constructions that include two sensors 330/360, where the sensors are configured to complete the electrical connection between electrodes 120/130 and battery 310 responsive to a desired environmental condition being satisfied, such as temperature.
- Sensor 330 is configured to actuate a display pixel 420 if a predetermined low temperature is sensed and sensor 360 is configured to actuate a different display pixel 420 if a predetermined high temperature is sensed.
- the label construction shown in Figure 4E further includes two switches 320/340 for providing a secondary actuator for each pixel 420.
- the present invention may be used to produce efficiently an active display in label and non-label constructions that provide specified electronic functionality of a variety uses.
- the present invention will recognize that other components and configurations can be practiced and are within the scope of the present invention.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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BRPI0610613-7A BRPI0610613A2 (en) | 2005-04-11 | 2006-04-10 | layered label structure with stopwatch |
JP2008506562A JP4971306B2 (en) | 2005-04-11 | 2006-04-10 | Laminated label structure with timer |
EP06749621A EP1872642A4 (en) | 2005-04-11 | 2006-04-10 | Layered label structure with timer |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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US67007605P | 2005-04-11 | 2005-04-11 | |
US60/670,076 | 2005-04-11 | ||
US11/209,345 US7599192B2 (en) | 2005-04-11 | 2005-08-22 | Layered structure with printed elements |
US11/209,345 | 2005-08-22 | ||
US11/231,360 | 2005-09-19 | ||
US11/231,360 US7821794B2 (en) | 2005-04-11 | 2005-09-19 | Layered label structure with timer |
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WO2006110622A2 true WO2006110622A2 (en) | 2006-10-19 |
WO2006110622A3 WO2006110622A3 (en) | 2008-10-16 |
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US (1) | US7821794B2 (en) |
EP (1) | EP1872642A4 (en) |
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WO (1) | WO2006110622A2 (en) |
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US8604907B2 (en) | 2007-09-12 | 2013-12-10 | Polyic Gmbh & Co. Kg | Multilayer flexible film body |
KR101468762B1 (en) * | 2007-09-12 | 2014-12-03 | 폴리아이씨 게엠베하 운트 코. 카게 | Multilayer flexible foil body |
US8350259B2 (en) | 2008-05-30 | 2013-01-08 | Polyic Gmbh & Co. Kg | Electronic circuit |
FR2976705A1 (en) * | 2011-06-16 | 2012-12-21 | Ct Tech De L Ind Des Papiers Cartons Et Celluloses | Electronic authentication device for displaying identification information related to e.g. commercial product, has electrochromic display including power supply terminals providing supply voltage in presence of electromagnetic wave |
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Also Published As
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WO2006110622A3 (en) | 2008-10-16 |
EP1872642A4 (en) | 2010-12-01 |
BRPI0610613A2 (en) | 2010-07-13 |
EP1872642A2 (en) | 2008-01-02 |
JP2008538418A (en) | 2008-10-23 |
US7821794B2 (en) | 2010-10-26 |
JP4971306B2 (en) | 2012-07-11 |
US20060227669A1 (en) | 2006-10-12 |
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