WO2012093935A1

WO2012093935A1 - Device and method for attracting attention in gift artifacts, stationery, books and packaging material

Info

Publication number: WO2012093935A1
Application number: PCT/NL2012/000002
Authority: WO
Inventors: Driessen FRANS AUGUST AARON; Wissmann CARLOS MANUEL
Original assignee: Triggered Emotions B.V.
Priority date: 2011-01-06
Filing date: 2012-01-05
Publication date: 2012-07-12
Also published as: NL1038494C2

Abstract

A Device and method for attracting attention in gift artifacts, stationery, books and packaging material is disclosed with paper communication means comprising a power supply, dynamic elements arranged for selectively increasing or decreasing visibility of graphical presentations and an electronic circuit arranged for changing the state of dynamic elements, wherein the dynamic elements are arranged to be at least partly transparent in a first state and to bee less transparent in a second state than in the first state, wherein the dynamic elements are covering graphical presentations in such a way that the graphical presentations are at least partly visible when the dynamic elements are in the first state and wherein the graphical presentations are less visible when the dynamic elements are in the second state.

Description

DEVICE AND METHOD FOR ATTRACTING ATTENTION IN GIFT ARTIFACTS, STATIONERY, BOOKS AND PACKAGING MATERIAL

TECHNICAL FIELD

The present invention relates to paper communication means such as gift artifacts (e.g. greetings cards), stationery (e.g. agendas), paper books and packaging materials that are provided with dynamic elements that create additional light effects.

BACKGROUND ART

Paper communication means such as gift artifacts (e.g. greetings cards), stationery (e.g. agendas), paper books and packaging materials may be provided with dynamic elements that create light effects or illuminated graphic art, which are activated by a manipulation of the user, such as a receiver of the greeting card. The purpose of these dynamic elements is to evoke a response, by the user. A response may comprise an emotional reaction of for example surprise or excitement by the user after activation of the greeting card, when a message or graphic art is revealed. Currently these dynamic elements are activated only when manipulated by a user. These dynamic elements usually comprise Light Emitting Diodes which produce light in various colors and brightness. An important reason for not activating the dynamic elements continuously is that light effects with LEDs and other kinds of illuminated graphic presentations is usually powered by accumulators such as batteries to provide sufficient effect to attract attention. These accumulators will run empty or need to be recharged after a certain amount of use. Additional solar cells are sometimes provided to supply supplemental power. More powerful, and consequently more expensive, solar cells may be used as only power supply, to eliminate the use of wasteful batteries and to limit the thickness of the greeting card as caused by battery volume. An example of a current state of the art greeting card is described in USA patent application US2003/0188776 Al . Here, a greeting card is shown with a polymer-dispersed liquid crystal display being applied for hiding or revealing images.

Another example of a current state of the art greeting card is described in UK patent application GB 2257091 A. Here, a plurality of liquid display cell units is shown to cover and sequentially uncover picture segments.

In these current state of the art solutions the visibility of the images is dependent on an external light source, such as artificial light at home, or daylight. LCDs usually have a characteristic that in a situation where the power drops, the transition from transparent to less transparent slows down, which leads to the user's perception of a fading transition, instead of a more desired flashing transition. A fading transition usually leads to a less exciting experience. The power could for example drop if the power source comprises a solar cell and lighting conditions are poor. This leads to a lower voltage of the solar cell. In these examples it is also disclosed that operation of the liquid crystal displays depends on the user to manipulate the greeting card to activate the dynamic element.

Considering the limitations in cost price and power consumption, dynamic elements in greeting cards consequently usually run on battery power. Optionally the power source is replaced or supported with solar power, in order to safe battery power or to function with sufficient external lighting. A disadvantage of using batteries is that it causes the greeting card to become more expensive and will contribute to extra waste when disposing of the card. Another disadvantage of this solution is that the paper communication means does not benefit fully from the specific characteristics of the dynamic elements. This means that for example a greeting card will not attract attention to the card or specific parts of the card in a shop if it is not manipulated.

Furthermore the contrast ratio (the ratio of the luminance of the brightest color (e.g. white) to that of the darkest color (e.g. black) that the system is capable of producing) of the current art combination of LCD and background images is low, which also leads to a less exciting experience.

The contrast capabilities of a combination of an LCD with a background image largely depends on the ability to let light pass through in the electric field-free state and to block light when an electric field is applied. Light passing through reflects on the background image, which makes the image visible if it passes through the LCD away from the image to the user's eye.

To improve the contrast ratio in a multi-cell LCD (LCD screen) , UK patent specification 1450423 proposes to use a retro reflective background. This has the purpose to retro reflect stray environmental light, so it cannot reach neighboring LCD cells. If stray light reflects through neighboring cells that are in a field-free state, the neighboring cells would not be able to maximize the darkening of the background, which leads to less contrast. Patent specification 1450423 does not show an enabling disclosure of the retro reflective material to be applied. The patent is only covering LCD films of the type exhibiting electrically induced optical scattering. This so called dynamic scattering LCD is currently rarely used anymore because of its higher voltage, higher power and less legibility.

Today's LCDs have the following basic construction. Each pixel of an LCD typically consists of a layer of molecules aligned between two transparent electrodes, and two polarizing filters, the axes of transmission of which are (in most of the cases) perpendicular to each other. With no actual liquid crystal between the polarizing filters, light passing through the first filter would be blocked by the second (crossed) polarizer.

The surface of the electrodes that are in contact with the liquid crystal material are treated so as to align the liquid crystal molecules in a particular direction. This treatment typically consists of a thin polymer layer that is unidirectionally rubbed using, for example, a cloth. The direction of the liquid crystal alignment is then defined by the direction of rubbing. Electrodes are made of a transparent conductor called Indium Tin Oxide (ITO) . The Liquid Crystal Display is intrinsically a "passive" device; it is a simple light valve. The managing and control of the data to be displayed is performed by one or more circuits. Before applying an electric field, the orientation of the liquid crystal molecules is determined by the alignment at the surfaces of electrodes. In a twisted nematic (TN) device, which is the most common liquid crystal device, the surface alignment directions at the two electrodes are perpendicular to each other, and so the molecules arrange themselves in a helical structure, or twist. This reduces the rotation of the polarization of the incident light, and the device appears grey (a first state of transparency) . If the applied voltage is large enough, the liquid crystal molecules in the center of the layer are almost completely untwisted and the polarization of the incident light is not rotated as it passes through the liquid crystal layer. This light will then be mainly polarized perpendicular to the second filter, and thus be blocked and the pixel will appear black (a second state of transparency which is less than the first state) . By controlling the voltage applied across the liquid crystal layer in each pixel, light can be allowed to pass through in varying amounts thus constituting different levels of gray (transitional states of transparency) .

The optical effect of a twisted nematic device in the voltage-on state is far less dependent on variations in the device thickness than that in the voltage-off state. Because of this, these devices are usually operated between crossed polarizers such that they appear bright with no voltage (field free) . It is well known that the human eye is much more sensitive to variations in the dark state than the bright state. These devices can also be operated between parallel polarizers, in which case the bright and dark states are reversed. The voltage-off dark state in this configuration appears blotchy, however, because of small variations of thickness across the device. Both the liquid crystal material and the alignment layer material contain ionic compounds. If an electric field of one particular polarity is applied for a long period of time, this ionic material is attracted to the surfaces and degrades the device performance. This is avoided either by applying an alternating current or by reversing the polarity of the electric field as the device is addressed (the response of the liquid crystal layer is identical, regardless of the polarity of the applied field) .

Displays for a small number of individual digits and/or fixed symbols (as in digital watches, pocket calculators etc.) can be implemented with independent electrodes for each segment.

Larger displays are often of the active matrix LCD type. Active-matrix LCDs depend on thin film transistors (TFT) . Basically, TFTs are tiny switching transistors and capacitors. They are arranged in a matrix on a glass substrate. To address a particular pixel, the proper row is switched on, and then a charge is sent down the correct column. Since all of the other rows that the column intersects are turned off, only the capacitor at the designated pixel receives a charge. The capacitor is able to hold the charge until the next refresh cycle. And if we carefully control the amount of voltage supplied to a crystal, we can make it untwist only enough to allow some light through. Active matrix displays or so called TFT displays are often used for computer monitors .

Also known are one pixel LCDs which commonly have formats like 50mm x 20mm or 30mm x 30mm.

In general a high contrast ratio, a high refresh rate (defined as the number of times per second in which the display draws the data it is being given) , low power consumption, color quality, reliability/durability and a thin profile are desired in LCD screens.

For the purpose of readability hereinafter it is to be understood that a transparent state of an LCD is explained as the state wherein no or a negligible small electric field is applied, whereas the less transparent state is explained as the state wherein an electric field is applied. The reverse situation, however, is also an option, considering that LCDs exist which have a transparent state when an electric field is applied and a less transparent state when no electric field is applied. A person skilled in the art would understand that both options are interchangeable.

It is a first object of this invention to provide dynamic elements in paper communication means, such as gift artifacts (e.g. greeting cards), stationery (e.g. agendas), paper books and packaging materials, which allow for prolonged or infinite activation, whilst being relatively inexpensive to produce and providing sufficient attraction capabilities.

It is a second object of this invention to provide dynamic elements in these paper communication means, which allow for prolonged activation, whilst being relatively inexpensive to produce and providing sufficient attraction capabilities in order to attract attention to specific parts of the paper communication means in a situation wherein these paper communication means compete with other paper communication means, wherein the situation comprises the paper communication means being displayed in a shop, an Internet shop and video presentations.

It is a third object of this invention to provide dynamic elements in these paper communication means, which allow for prolonged activation, whilst being relatively inexpensive to produce and providing sufficient attraction capabilities in order to attract attention to the paper communication means.

The distinguished requirements for a combination of dynamic elements with a graphical presentation on a paper communication means to evoke a response of e.g. excitement or surprise are that the user should perceive the combination of dynamic elements with graphical presentation as a screen with one or more of the following aspects: an active matrix LCD system;

- a high refresh rate;

- a high contrast ratio;

- backlighting and

- a limitless and sufficient power supply. The invention is aimed at achieving the above objects and more specifically has is aimed to create the effect that a screen according to the requirements is as closely simulated as possible at very low costs in comparison to a real multi-cell TFT screen.

DISCLOSURE OF INVENTION

In a first aspect of the invention the objects are achieved with a paper communication means comprising

- a power supply;

- one or more dynamic elements which decrease in transparency when an electric field is applied;

- an electronic circuit arranged for controlling the applying of the electric field;

- a back sheet positioned behind the one or more dynamic elements

- the one or more dynamic elements arranged to be at least partly transparent in a first state and to be less transparent in a second state than in the first state,

characterized in that at least a part of the back sheet comprises a substantially light scattering surface and at least part of the back sheet comprises a graphical presentation.

If a communication means such as a greeting card is equipped with a dynamic element in this manner, the greeting card, when displayed in a shop will attract attention to possible buyers of the greeting card by showing a graphical presentation at one moment, and hiding the graphic presentation at another moment. Also amidst other graphical presentations on the same greeting card, the graphic presentation that is covered with the dynamic element, which is changing states, will be more noticeable and attract more attention. By using external light of the surroundings, instead of providing own light sources, a low power consumption is achieved. In the case of multiple dynamic elements, amidst other graphical presentations on the same greeting card, the graphic presentation that is covered with multiple dynamic elements which are changing states, will be even more noticeable and attract more attention.

Applying a back sheet with a light scattering surface has the advantage that this kind of surface of the background of the presentation reflects light better than a retro reflective surface or a specular reflective surface. This in turn will increase the contrast ratio between the transparent and the less transparent state. This in turn will make the combination of LCD shutter, reflective back sheet and graphical presentation resemble an LCD screen that actively displays the graphical presentation itself with a backlight shining through a transparent background. This will evoke excitement.

In a first embodiment, the paper communication means is characterized in that surface of the back sheet comprises 1500 to 2000 bumps or particles per square centimeter, the particles having a mean diameter of 130 micrometer to 350 micrometer.

From experiments this range of number and size of bumps or particles on a surface of for example paper results in a sufficient scattering of light reflecting on the surface of the back sheet, to produce a sufficiently high contrast ratio to evoke for example astonishment or excitement of the user.

In a second embodiment the paper communication means is characterized in that surface of the back sheet comprises a grit size which is comparable to ISO/FEPA Grit designation P50 to P120.

This will make it also possible to use cheap sandpaper as a basis for the back sheet material. Because of the ISO standard a constant quality is achieved. In a third embodiment the paper communication means is characterized in that surface luminance of the back sheet is substantially isotropic .

By choosing a back sheet with the right surface roughness, the light will be scattered substantially evenly in a wide angle of up to 170 degrees, so as to make the graphical presentation visible from different angles. In a fourth embodiment the paper communication means is characterized in that surface of the back sheet is covered with a coating or dye which has a reflectivity percentage of at least 80.

By coating or dying the rough surface with material comprising reflective particles such as silver or aluminum, the light reflection is optimized and contrast ratio increased.

In a fifth embodiment, the paper communication means is characterized in that the electronic circuit is arranged for changing the state of each of the one or more dynamic elements randomly.

This has the advantage that the attention of the user of a greeting card or the potential buyer may be prolonged or attention may be drawn repeatedly.

In a sixth embodiment, the paper communication means is characterized in that the electronic circuit is arranged for decreasing the time of activation of the one or more dynamic elements proportionally to the available power.

This has the advantage that under a poor lighting condition, the flashing effect, which largely depends on a fast transition from a less transparent state to a transparent state, is still optimal. In a seventh embodiment the paper communication means is characterized in that the electronic circuit of the second embodiment comprises a capacitor to store energy until sufficient voltage is available for the electronic circuit to produce a flashing effect.

The capacitor may be positioned in parallel or in series with a solar cell.

In an eighth embodiment, the paper communication means is characterized in that the frequency of alternatingly changing the state of the one or more dynamic elements is adjustable.

This makes it possible to vary the flashing modes of one or more dynamic elements and increase the attraction characteristics. If there are other cards displayed which are equipped with for example flashing lights, a dynamic element of the greeting card according to the invention may be set to for example a higher flashing speed to appear more distinctively.

In a ninth embodiment, the paper communication means is characterized in that the one or more dynamic elements comprise one or more switchable windows, such as a Liquid Crystal Display (LCD) , an LCD with polymer dispersed liquid crystals (PDLC) , an electrochromic element, a suspended particle device or Micro-Blinds.

By using a LCD or a so called LCD shutter, the transparency is easily changed at a sufficient speed and at low power consumption. An LCD with only one large pixel would suffice to produce the effect of changing transparency of a relatively large area. By using an LCD shutter together with a graphical presentation covered by the LCD shutter, it will appear like an LCD display which actively displays the graphical presentation.

In a tenth embodiment, the paper communication means is characterized in that the one or more dynamic elements comprise one of the group comprising of:

- Twisted Nematic (TN) type LCD

- Super-twisted Nematic (STN) type LCD

- Thin Film Transistor Active Matrix (TFT) LCD

In an eleventh embodiment, the paper communication means is characterized in that the one or more dynamic elements comprise of a one pixel LCD

In a twelfth embodiment, the paper communication means is characterized in that the one or more graphical presentation is one of the group comprising:

Text;

- Symbols;

Drawings and

Pictures. In a thirteenth embodiment, the paper communication means is characterized in that the one or more graphical presentation has a color which is contrasting to the color of the back sheet surface.

It will be even more impressive and attract even more attention, to use a contrasting colored graphical presentation, as this will result in the dynamic element appearing to be a high resolution, high contrast, color LCD. Other switchable windows provide the same functionality.

In a fourteenth embodiment, the paper communication means is characterized in that the one or more graphical presentation has a color, which is composed according to a red , green, blue color percentage model, formulated as triplet (component Χ,Υ,Ζ), wherein each component may vary from zero to 100 percent, according to the formula (X>70%, Y<30%, 0 > Z < 100%), wherein X is one of the components R, G or B, and Y is a component unequal to X, and Z is a component unequal to X or Y.

From experiments it proved that colors in this range such as Pantone colors 300C, 361C, 021C, 485C and Basic Purple C deliver a high contrast ratio. In a fifteenth embodiment, the paper communication means is characterized in that at least part of the surface of one or more graphical presentations comprise light scattering characteristics and is printed on a background surface of the back sheet which is substantially light absorbing.

This has the advantage that a graphical presentation together with a dynamic element will appear like a high contrast LCD screen that actively displays the graphical presentation itself with a backlight shining through a transparent graphical presentation. In a sixteenth embodiment, the paper communication means is characterized in that an arrangement is provided for adding or changing one or more graphical presentations behind one or more dynamic elements.

This has the advantage that a buyer of a greeting card may personalize the greeting card with special graphical presentations such as a personal wish or congratulation, which will evoke an even better response. A company may for example add its own logo, or add messages translated in the local language.

In a seventeenth embodiment, the paper communication means is characterized in that the power supply comprises one or more photovoltaic cells.

The advantage of using a photovoltaic cells and especially amorphous or thin film photovoltaic cells (hereinafter referred to as solar cells) is that they are inexpensive, flat and small power supplies, which is especially suitable for greeting cards that, in general cost, relative to the price of a greeting card, little money.

In an eighteenth embodiment, the paper communication means is characterized in that the paper communication means is one of the group comprising:

gift artifacts such as greeting cards

stationery such as agenda's;

paper book and

packaging materials.

Especially for these kinds of items the invention is very usefull. These items do not need to have activation means to activate the dynamic elements. For example stationary will be attractive also when not in use as such. Packaging materials can draw attention or provide information without any user having to operate or activate the dynamic elements. Packaging materials in particular are often disposable and therefore should not be equipped with expensive or complicated electronics . In a second aspect of the invention these objects are achieved with a production method of the paper communication means according to the invention characterized in that the one or more graphical presentations may be adjusted according to the wishes of a user.

A communication system may be used to get information about the specific wishes of a buyer of a paper communication means such as a greeting card. Based on this information, a graphical presentation that is (partly) covered by a dynamic element according to the invention may be customized according to the wishes of the customer. This will increase the effectiveness of a dynamic element, because the graphical presentation suits its purpose better when the sender of e.g. greeting card knows what graphical presentation evokes the maximum response with the receiver of the greeting card.

Although a number of embodiments are described herein for purposes of illustration, these embodiments are not meant to be limiting. Those skilled in the art will recognize modifications that can be made in the illustrated embodiments. Such modifications are meant to be covered by the spirit and scope of the appended claims. BRIEF DESCRIPTION OF DRAWINGS

Figure 1 is an example of a greeting card equipped with multiple dynamic elements according one embodiment of the invention.

Figure 2 is a diagram showing the electronic circuit of one of the embodiments, for changing the state of one or more dynamic elements

Figure 3a, 3b, 3c represent three examples of a surface of a back sheet material with light scattering characteristics.

BEST MODE FOR CARRYING OUT THE INVENTION

The innovative teachings of the present Invention will be described with particular reference to the presently preferred exemplary embodiment. In general, statements made in the specification of the present Invention do not necessarily delimit any of the claimed Invention. With reference to figure 1, a drawing of a greeting card 6, equipped with multiple dynamic elements according to one embodiment of the invention, is shown. The lines between the elements of the drawing represent physical wired connections. The greeting card 6 shows a character 5 in the shape of a heart. The card comprises a paper sheet as a front part showing the character 5. Behind the front part is a paper sheet as a back part with two graphical presentations 3a and 3b, being eyes. Between the front part and the back part two dynamic elements 2a and 2b are placed over the eyes 3a and 3b. The dynamic elements 2a and 2b are shown with dotted lines to make clear that they are situated behind the front part. The front part has holes at the places where the eyes 3a and 3b are situated on the back part. In order to attract attention to the two graphical presentations 3a and 3b (representing eyes) , two dynamic elements 2a and 2b are provided. In the example a first dynamic element 2a is in an at least partly transparent state. The first graphical presentation 3a (which represents a right eye of the heart shaped character 5) , placed behind the dynamic element 2a is at least partly visible. The dynamic element 2b is in a state which is less transparent than dynamic element 2a and therefore is at least partly covering a second graphical presentation 3b (which represents a left eye of the heart shaped character 5) , which is placed behind dynamic element 2b. A solar cell array 1 is provided to provide power to an electronic circuit 4. The electronic circuit 4 is arranged to change the state of the dynamic elements 2a and 2b alternatingly, to cause an effect of alternatingly making a first graphical presentation 3a and a second graphical presentation 3b visible, which attracts the attention of a potential buyer in a shop where the greeting card is on display, or which evokes a response of surprise or joy with a receiver of the greeting card. The electronic circuit is shown with dotted lines to make clear that it is situated in a place out of sight, to support the surprise effect. The dynamic elements 2a and 2b are preferably Liquid Crystal Displays, in this case so called LCD shutters comprising one pixel each. With reference to figure 2, a diagram of an electronic circuit 4, arranged for changing the state of one or more dynamic elements 2a, 2b and 2c is shown. The electronic circuit is arranged to change the state of the dynamic elements which may comprise LCD shutters. The settings of the electronic circuit may be adjusted in such a manner that dynamic element 2a is first changed into a state of at least partly transparency, subsequently dynamic element 2b is changed into a state of at least partly transparency and at the same time the state of dynamic element 2a is changed into less transparent than dynamic element 2b. This is followed by a similar sequence for dynamic element 2c and the whole sequence may be repeated continuously as long as solar cell array 1 provides sufficient power by converting light energy into electricity. Solar cell array 1 is connected with the positive pole 7 and the negative pole 6 with microcontroller 8 and dynamic elements 2a, 2b and 2c. Microcontroller 8 controls dynamic elements 2a, 2b and 2c through the shown connections.

With reference to figure 3a, 3b and 3c, three examples of a surface of a back sheet material with light scattering characteristics are shown. The figures are a cut out of back sheet material of 10 mm width and 5 mm height. The surface of the back sheet comprises 1500 to 2000 bumps or particles per square centimeter, the particles having a mean diameter of 130 micrometer to 350 micrometer. The figures 3a, 3b and 3b show variations of surfaces with a surface roughness (comprising bumps and/or particles) that is optimized for maximum light scattering. The scattering of light provides the high contrast ratio and the perception that a backlight is present (which is not needed in the invention) .

INDUSTRIAL APPLICABILITY The way in which the invention is capable of exploitation in industry is as follows. A paper communication means is equipped with a power supply such as a solar cell, powering one or more dynamic elements, such as one pixel LCD shutters, arranged for selectively increasing or decreasing visibility of one or more graphical presentations and an electronic circuit arranged for changing the state of the one or more dynamic elements. A communication means such as a greeting card equipped with a dynamic element covering a graphical presentation, when displayed in a shop will attract attention to possible buyers of the greeting card by showing a graphic presentation at one moment, and hiding the graphic presentation at another moment.

Claims

A paper communication means comprising

a power supply;

one or more dynamic elements which decrease in transparency when an electric field is applied;

an electronic circuit arranged for controlling the applying of the electric field;

a back sheet positioned behind the one or more dynamic elements

the one or more dynamic elements arranged to be at least partly transparent in a first state and to be less transparent in a second state than in the first state, characterized in that at least a part of the back sheet comprises a substantially light scattering surface and at least part of the back sheet comprises a graphical presentation .

The paper communication means according to any of the preceding claims, characterized in that surface of the back sheet comprises 1500 to 2000 bumps or particles per square centimeter, the particles having a mean diameter of 130 micrometer to 350 micrometer.

The paper communication means according to any of the preceding claims, characterized in that surface of the back sheet comprises a grit size which is comparable to ISO/FEPA Grit designation P50 to P120.

The paper communication means according to any of the preceding claims, characterized in that surface luminance of the back sheet is substantially isotropic.

The paper communication means according to any of the preceding claims, characterized in that surface of the back sheet is covered with a coating or dye which has a reflectivity percentage of at least 80.

The paper communication means according to any of the preceding claims, characterized in that the electronic circuit is arranged for changing the state of each of the one or more dynamic elements randomly.

7. The paper communication means according to any of the preceding claims, characterized in that the electronic circuit is arranged for decreasing the time of activation of the one or more dynamic elements proportionally to the available power.

8. The paper communication means according to any of the preceding claims, characterized in that the electronic circuit of the second embodiment comprises a capacitor to store energy until sufficient voltage is available for the electronic circuit to produce a flashing effect.

9. The paper communication means according to any of the preceding claims, characterized in that the frequency of alternatingly changing the state of the one or more dynamic elements is adjustable.

10. The paper communication means according to any of the preceding claims, characterized in that the one or more dynamic elements comprise one or more switchable windows, such as a Liquid Crystal Display (LCD) , an LCD with polymer dispersed liquid crystals (PDLC) , an electrochromic element, a suspended particle device or Micro-Blinds.

11. The paper communication means according to any of the preceding claims, characterized in that the one or more dynamic elements comprise one of the group comprising of:

Twisted Nematic (TN) type LCD

- Super-twisted Nematic (STN) type LCD

Thin Film Transistor Active Matrix (TFT) LCD

12. The paper communication means according to any of the preceding claims, characterized in that the one or more dynamic elements comprise of a one pixel LCD.

13. The paper communication means according to any of the preceding claims, characterized in that the one or more graphical presentation is one of the group comprising:

Text;

Symbols;

- Drawings and

Pictures.

14. The paper communication means according to any of the preceding claims, characterized in that the one or more graphical presentation has a color which is contrasting to the color of the back sheet surface.

15. The paper communication means according to any of the preceding claims, characterized in that the one or more graphical presentation has a color, which is composed according to a red , green, blue color percentage model, formulated as triplet (component Χ,Υ,Ζ), wherein each component may vary from zero to 100 percent, according to the formula (X>70%, Y<30%, 0 ≥ Z < 100%), wherein X is one of the components R, G or B, and Y is a component unequal to X, and Z is a component unequal to X or Y.

16. The paper communication means according to any of the preceding claims, characterized in that at least part of the surface of one or more graphical presentations comprise light scattering characteristics and is printed on a background surface of the back sheet which is substantially light absorbing.

17. The paper communication means according to any of the preceding claims, characterized in that an arrangement is provided for adding or changing one or more graphical presentations behind one or more dynamic elements.

18. The paper communication means according to any of the preceding claims, characterized in that the power supply comprises one or more photovoltaic cells.

19. The paper communication means according to any of the preceding claims, characterized in that the paper communication means is one of the group comprising:

- gift artifacts such as greeting cards

stationery such as agenda's;

paper book and

packaging materials.

20. A production method of the paper communication means according to any of the preceding claims, characterized in that the one or more graphical presentations may be adjusted according to the wishes of a user.