CN101762928B

CN101762928B - Safe one-side electronic paper

Info

Publication number: CN101762928B
Application number: CN2009102382974A
Authority: CN
Inventors: 须清
Original assignee: Beijing Paragon Technology Co Ltd
Current assignee: Beijing Paragon Technology Co Ltd
Priority date: 2009-11-25
Filing date: 2009-11-25
Publication date: 2011-08-31
Anticipated expiration: 2029-11-25
Also published as: CN101762928A

Abstract

The invention provides a safe one-side electronic paper which comprises a first grid array electrode, a nonvolatile display material and a second electrode, wherein an independent electrode and an electrode lead are arranged on each grid of the first grid array electrode; the second electrode is a public electrode; the first grid array electrode, the nonvolatile display material and the second electrode form a laminated layer; an electronic switch is arranged between at least one grid electrode of the first grid array electrode and the second electrode; and when the electronic switch is in a conducting state, the electronic switch enables the grid electrode and the second electrode to be in a low-impedance state or an electric conducting state. The technical scheme effectively solves the problem that the electronic paper is unlawfully or accidentally changed by an external electric field or external added voltage, effectively maintains the information presented by the electronic paper and is an effective technical scheme for providing realization for applying the electronic paper to the fields of certificates, official documents, and the like.

Description

Safe one-side electronic paper

Technical field

The present invention relates to safe one-side electronic paper, particularly relate to the safety electronic paper that can prevent that the Electronic Paper displayed information from being revised unusually.

Background technology

With the little glass of box (MicroCup) of the electric ink of E-ink, SIPIX is that the electronic paper technology of representative presents the trend of popularizing day by day, obtains bigger progress in fields such as e-book, portable terminal, portable sets, also begins to use aspect electronic newspaper.Still keep displaying contents because Electronic Paper has under the situation that does not have power supply to supply with, have energy-saving advantages, can also upgrade the Electronic Paper content displayed at any time on demand simultaneously.Usually be the optical states that changes pixel by the electric field that the pixel of giving Electronic Paper applies certain direction to the content update of Electronic Paper.Also just because of this characteristic makes Electronic Paper not be suitable for the application that the information that need prevent is distorted.Because anyone can change or delete the shown content of Electronic Paper by the electric field that applies certain intensity.For in the application of electronic newspaper, owing to increased the interface that Electronic Paper is upgraded, cause anyone can change the content of electronic newspaper easily by this interface, when these are modified content and the newspaper that content is distorted is blazed abroad, with the damage that causes for interests of another, honor, also may produce disadvantageous societal consequence.Particularly, when Electronic Paper being used for certificate or the use of authentication text, will there be very big uncertainty in the reliability of its presentation information.

Because the employed a large amount of paper documents of people's daily life need prevent contents lost or be maliciously tampered, and as official document, certificate, standard, patent gazette etc., are very unfortunate if can not use the Electronic Paper of energy-conserving and environment-protective in these fields.

Summary of the invention

The present invention will propose technical solution to solve or to be that part solves the information protection problem that existing electronic paper technology exists at least, to realize the application of Electronic Paper in more areas.

The term explanation: Electronic Paper described in the present invention is meant to comprise any parts with definite shape that comprise one of following material layer or combination: have the microcapsules electronic ink layer of electrophoretic effect, the little cup structure thinner package rete with electrophoretic effect, screw (Gyricon) layer, have the electrodeless Electronic Paper of the Electronic Paper material layer of electrowetting effect, bistable cholesteric, Beijing Pai Ruigen science and technology etc.

The term explanation: " Electronic Paper is carried out electronization " described in the present invention has identical implication with " Electronic Paper is printed ", even the pixel of Electronic Paper presentation information under effect of electric field.

Because existing Electronic Paper all is based on nonvolatile display material, as has the microcapsules electronic ink layer of electrophoretic effect, the little cup structure thinner package rete with electrophoretic effect, screw (Gyricon) layer, have the Electronic Paper material layer of electrowetting effect, bistable cholesteric etc.This material can change the optical states that material presented by the electric field that applies certain intensity and direction, because electric field belongs to invisible effect, be easy to be used to improper modification or distort the content that Electronic Paper presents, so need adopt technological means to control for the electric field that acts on the Electronic Paper by other people.

The present invention proposes a plurality of solutions, specifically describes as follows:

First kind of scheme is a kind of safety electronic paper with part or Global Information defencive function of design, that is:

1, a kind of safe one-side electronic paper is characterized in that comprising:

The first grid array electrode has independently a grid electrode and a contact conductor on each grid of the described first grid array electrode;

Nonvolatile display material;

Second electrode is public electrode;

The described first grid array electrode, nonvolatile display material and second electrode form lamination;

Between at least one grid electrode of the described first grid array electrode and described second electrode, an electronic switch is set, when described electronic switch was in conducting state, described electronic switch made between described grid electrode and described second electrode and is in low impedance state or electric conducting state.

2, a kind of safe one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is the grid array electrode, and independently a grid electrode and a contact conductor are arranged on each grid of described second electrode;

Between the corresponding grid electrode of at least one grid electrode of the described first grid array electrode and described second electrode, an electronic switch is set, when described electronic switch was in conducting state, described electronic switch made between the corresponding grid electrode of described grid electrode and described second electrode and is in low impedance state or electric conducting state.

3, a kind of safe one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is public electrode;

At least one Electronic Paper protection zone is set in described lamination, and described Electronic Paper protection zone comprises an Electronic Paper pixel at least;

The described first grid array electrode is provided with an electronic switch between each grid electrode of described Electronic Paper protection zone and described second electrode; when described electronic switch was in conducting state, described electronic switch made between described grid electrode and described second electrode and is in low impedance state or electric conducting state.

4, a kind of safe one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

At least one Electronic Paper protection zone is set in described folded room, and described Electronic Paper protection zone comprises an Electronic Paper pixel at least;

The described first grid array electrode is provided with an electronic switch between the corresponding grid electrode of each grid electrode of described Electronic Paper protection zone and described second electrode; when described electronic switch was in conducting state, described electronic switch made between the corresponding grid electrode of described grid electrode and described second electrode and is in low impedance state or electric conducting state.

Such scheme can be controlled pixel or the Electronic Paper protection zone that is applied to the display message that needs protection by the control electronic switch; when needs prevent to need protection the pixel of display message or Electronic Paper protection zone during by the unexpected change of external electrical field; make by gauge tap between two drive electrodes of described pixel or Electronic Paper protection zone and be in low impedance state or electric conducting state; then external electrical field forms voltage difference and will reduce greatly between two drive electrodes, thereby avoids the information of described pixel or Electronic Paper protection zone to be modified.Even directly between two drive electrodes of described pixel or Electronic Paper protection zone, apply external voltage, also because low impedance state or electric conducting state prevent the external voltage short circuit modification for the information of described pixel or Electronic Paper protection zone.

5, preferably further comprise information control unit, described information control unit is controlled the state of described electronic switch.By increasing the effective control of information control unit realization for the information pixels point of being protected, when upgrading, can effectively upgrade by needs, when not needing to upgrade, form protection mechanism.

6, preferably further comprise information input unit, described information control unit is according to the state of the described electronic switch of information Control of information input unit input.

7, preferably further comprise radio-frequency antenna and radiofrequency signal processing unit, the radio-frequency information that passes through described radiofrequency signal processing unit processes from the radiofrequency signal of described radio-frequency antenna induction passes to described information control unit, and described information control unit is controlled the state of described electronic switch according to described radio-frequency information.

8, preferably further comprise the identifying algorithm processing unit, described information control unit is controlled the state of described electronic switch according to described identifying algorithm processing unit authentication result.

Further strengthened the pixel that needs protection or the information protection of Electronic Paper protection zone by increasing the identifying algorithm processing unit, had only access authentication to pass through to revise or to upgrade the information of being protected legally.

9, preferably further comprise information input unit and identifying algorithm processing unit, described identifying algorithm processing unit carries out authentication processing to the information of described input block input and obtains authentication result, and described information control unit is controlled the state of described electronic switch according to described authentication result.

10, preferably further comprise radio-frequency antenna, radiofrequency signal processing unit and identifying algorithm processing unit, the radio-frequency information that passes through described radiofrequency signal processing unit processes from the radiofrequency signal of described radio-frequency antenna induction passes to described identifying algorithm processing unit, described identifying algorithm processing unit carries out authentication processing to described radio-frequency information and obtains authentication result, and described information control unit is controlled the state of described electronic switch according to described authentication result.

11, preferably when the control signal of described electronic switch is low-voltage or no-voltage signal, described electronic switch makes described grid electrode and described second electrode be in low impedance state.

The protection zone or the pixel that can prevent Electronic Paper this moment under the situation that does not have power supply are changed by the external electrical field accident.

12, preferably when described electronic switch is in low impedance state, not enough so that the variation of the nonvolatile display material generation optical states between described grid electrode and described second electrode in the voltage difference between described grid electrode and described second electrode.

13, preferably described nonvolatile display material comprises one of following material layer or combination: have the microcapsules electronic ink layer of electrophoretic effect, the little cup structure thinner package rete with electrophoretic effect, screw (Gyricon) layer, have the Electronic Paper material layer of electrowetting effect, bistable cholesteric.

Second kind of scheme is:

1, a kind of contact point type safety one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is public electrode;

Information protection first conductive contact that connects by lead is set at least one grid electrode of the described first grid array electrode;

Information protection second conductive contact that connects by lead is set on described second electrode;

Under certain pressure effect, be in low impedance state or conduct between described first conductive contact and described second conductive contact and contact.

2, a kind of contact point type safety one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is public electrode;

The described first grid array electrode is provided with information protection first conductive contact that connects by lead on each grid electrode of described Electronic Paper protection zone;

3, a kind of contact point type safety one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Information protection second conductive contact that connects by lead is set on the grid electrode that described second electrode pair is answered;

4, a kind of contact point type safety one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

5, a kind of contact point type safety one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is public electrode;

Short-circuit part, described short-circuit part comprise the 3rd conductive contact and the 4th conductive contact, and described the 3rd conductive contact conducts with the 4th conductive contact and is connected;

Contact making under certain pressure effect to be in low impedance state or to conduct between described first conductive contact and described the 3rd conductive contact, and make to be in low impedance state or to conduct between described second conductive contact and described the 4th conductive contact and contact.

6, a kind of contact point type safety one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is public electrode;

7, a kind of contact point type safety one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

8, a kind of contact point type safety one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

9, preferably after removing described pressure effect, be in high impedance status between described first conductive contact and described the 3rd conductive contact or insulation contact, and/or make to be in high impedance status or to insulate between described second conductive contact and described the 4th conductive contact and contact.

10, preferably the 3rd conductive contact of described short-circuit part has certain flexible conductive component with the 4th conductive contact by one and is connected, when approaching described first conductive contact of described short-circuit part and described second conductive contact, the elastic force that described conductive component connects makes to be in low impedance state or to conduct between described first conductive contact and described the 3rd conductive contact and contacts, and makes to be in low impedance state or to conduct between described second conductive contact and described the 4th conductive contact and contact.

11, preferably described first conductive contact comprises first opening, described second conductive contact comprises second opening, after described short-circuit part inserts described first opening and second opening, be in low impedance state or conduct between described first conductive contact and described the 3rd conductive contact and contact, and be in low impedance state or conduct between described second conductive contact and described the 4th conductive contact and contact.

Such scheme is realized protection for Electronic Paper information by simple, cheap mode, and control is very convenient manually.

The third scheme is:

1, a kind of switch type safe single-sided electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is public electrode;

On the contact conductor of at least one grid electrode of the described first grid array electrode, an electronic switch is set, when described electronic switch was in nonconducting state, described electronic switch made between described grid electrode and the described contact conductor and is in high impedance status or electric insulating state.

2, a kind of switch type safe single-sided electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is public electrode;

The described first grid array electrode is provided with an electronic switch on the contact conductor of each grid electrode of described Electronic Paper protection zone; when described electronic switch was in nonconducting state, described electronic switch made between described grid electrode and the described contact conductor and is in high impedance status or electric insulating state.

3, a kind of switch type safe single-sided electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electronic switch is set being provided with on the contact conductor of at least one grid electrode of the described first grid array electrode on first electronic switch and/or the contact conductor at least one grid electrode of described second electrode, when described first electronic switch was in nonconducting state, described first electronic switch made between the corresponding grid electrode of the described first grid array electrode and its contact conductor and is in high impedance status or electric insulating state; When described second electronic switch was in nonconducting state, described second electronic switch made between the corresponding grid electrode of described second electrode and its contact conductor and is in high impedance status or electric insulating state.

4, a kind of switch type safe single-sided electronic paper is characterized in that comprising:

Nonvolatile display material;

The described first grid array electrode is being provided with first electronic switch on the contact conductor of each grid electrode of described Electronic Paper protection zone and/or described second electrode is provided with second electronic switch on the contact conductor of each grid electrode of described Electronic Paper protection zone, when described first electronic switch was in nonconducting state, described first electronic switch made between the corresponding grid electrode of the described first grid array electrode and its contact conductor and is in high impedance status or electric insulating state; When described second electronic switch was in nonconducting state, described second electronic switch made between the corresponding grid electrode of described second electrode and its contact conductor and is in high impedance status or electric insulating state.

Such scheme can prevent effectively the information pixels point that needs protection or Electronic Paper protection zone by people by on grid electrode, applying voltage with the illegal modifications content.Also can further adopt first kind of authentification of message parts that solution adopted to strengthen effective control for electronic switch.

The 4th kind of scheme is:

1, a kind of stacked safe single-sided electronic paper is characterized in that comprising:

First conductive material layer;

Second conductive material layer;

One-side electronic paper material layer, described one-side electronic paper material layer place between described first conductive material layer and described second conductive material layer;

By lamination or barbola work first conductive material layer, Electronic Paper material layer, second conductive material layer are formed one, and make described first conductive material layer and described second conductive material layer that at least one conduction contact point or conduction osculatory or conductive contact surfaces be arranged.

2, a kind of stacked safe single-sided electronic paper is characterized in that comprising:

First conductive material layer is provided with first conductive contact on described first conductive material layer;

Second conductive material layer is provided with second conductive contact on described second conductive material layer;

One-side electronic paper material layer, described one-side electronic paper material layer place described first conductive material layer and described second to lead between three material layers;

By lamination or barbola work first conductive material layer, Electronic Paper material layer, second conductive material layer are formed one, and make to be in low impedance state or to conduct between described first conductive contact and described second conductive contact and contact.

3, further be to increase at least layer protective layer outside described first conductive material layer and/or outside described second conductive material layer, increasing layer protective layer at least.

4, preferably present contacted described first conductive material layer of face and/or be optically transparent at described second conductive material layer with the information of described Electronic Paper.

5, preferably described protective seam is optically transparent.

Such scheme can prevent that the information of electronic material layer arranged is by the external electrical field accidental modification.In actual the use, Electronic Paper material layer after the electronization is clipped in the middle with the two layers of conductive material layer, and the two layers of conductive material layer is electrically contacted, for external electrical field, formed a radome, thereby the optical states that prevents the Electronic Paper material layer effectively is by accidental change, the information that effectively keeps the Electronic Paper material to be presented.

Also can design a kind of Electronic Paper protector, be used to prevent that the information that Electronic Paper presents from being changed by accident, concrete scheme is:

1, a kind of single-sided electronic paper information protector is characterized in that comprising:

First conductive material layer;

Second conductive material layer;

Described first conductive material layer and second conductive material layer form the cavity that can hold Electronic Paper, and described first conductive material layer has at least one conduction contact point or conducts electricity osculatory or conductive contact surfaces with described second conductive material layer.

2, preferably described cavity further comprises an opening, by described opening Electronic Paper is placed described cavity.Be convenient to by pack into Electronic Paper or take out Electronic Paper of described opening.

3, between preferably described first conductive material layer and second conductive material layer flexible connection parts are arranged, described first conductive material layer rotates with respect to described second conductive material layer by described flexible connection parts or moves.Be convenient between first conductive material layer and second conductive material layer, pack into Electronic Paper or take out Electronic Paper.

4, preferably described first conductive material layer and/or described second conductive material layer are optically transparent.

5, preferably described protective seam is optically transparent.

The method of carrying out electronization for above safety electronic paper is described below:

1, a kind of method of safety electronic paper being carried out electronization; described safety electronic paper comprises at least one Electronic Paper protection zone; be provided with electronic switch between first electrode of each pixel of described Electronic Paper protection zone and second electrode, it is characterized in that comprising following steps:

The first step: judge described Electronic Paper is carried out the pixel whether electronic zone comprises the Electronic Paper protection zone;

Second step: make between first electrode of respective pixel of described Electronic Paper protection zone and second electrode and be in high impedance status or electric insulating state if then control described electronic switch, jumped to for the 4th step;

The 3rd step: if otherwise directly jumped to for the 4th step;

The 4th step: the drive electrode to described Electronic Paper sends drive signal.

2, a kind of method of safety electronic paper being carried out electronization; described safety electronic paper comprises authentification of message parts and at least one Electronic Paper protection zone; be provided with electronic switch between first electrode of each pixel of described Electronic Paper protection zone and second electrode, it is characterized in that comprising following steps:

Second step: if then send authentication request information to described authentification of message parts; Described authentication parts authenticate described authentication request information, if authentication success then control described electronic switch and make between first electrode of respective pixel of described Electronic Paper protection zone and second electrode and be in high impedance status or electric insulating state jumped to for the 4th step; If authentification failure then finish electronic process;

The 3rd step: if otherwise directly jumped to for the 4th step;

3, a kind of method of safety electronic paper being carried out electronization; described safety electronic paper comprises at least one Electronic Paper protection zone; be provided with electronic switch between first electrode of each pixel of described Electronic Paper protection zone and the electrode drive lead-in wire, it is characterized in that comprising following steps:

Second step: be in low impedance state or electric conducting state if then control first electrode and electrode drive that described electronic switch makes the respective pixel of described Electronic Paper protection zone between going between, jumped to for the 4th step;

The 3rd step: if otherwise directly jumped to for the 4th step;

4, a kind of method of safety electronic paper being carried out electronization; described safety electronic paper comprises authentification of message parts and at least one Electronic Paper protection zone; be provided with electronic switch between first electrode of each pixel of described Electronic Paper protection zone and the electrode drive lead-in wire, it is characterized in that comprising following steps:

Second step: if then send authentication request information to described authentification of message parts; Described authentication parts authenticate described authentication request information, if authentication success then control described electronic switch and make between first electrode of respective pixel of described Electronic Paper protection zone and the electrode drive lead-in wire and be in low impedance state or electric conducting state jumped to for the 4th step; If authentification failure then finish electronic process;

The 3rd step: if otherwise directly jumped to for the 4th step;

5, a kind of method of safety electronic paper being carried out electronization; described safety electronic paper comprises at least one Electronic Paper protection zone; be provided with short-circuit part between first electrode of each pixel of described Electronic Paper protection zone and second electrode, it is characterized in that comprising following steps:

Second step: make between first electrode of respective pixel of described Electronic Paper protection zone and second electrode and be in high impedance status or electric insulating state if then move described short-circuit part, jumped to for the 4th step;

The 3rd step: if otherwise directly jumped to for the 4th step;

6, a kind of method of safety electronic paper being carried out electronization; described safety electronic paper comprises at least one Electronic Paper protection zone; information protection first conductive contact that the first electrode setting of each pixel of described Electronic Paper protection zone connects by lead; information protection second conductive contact that connects by lead is set on second electrode, it is characterized in that comprising following steps:

Second step: make between first electrode of respective pixel of described Electronic Paper protection zone and second electrode and be in high impedance status or electric insulating state if then remove or reduce to be applied to pressure between described first conductive contact and described second conductive contact, jumped to for the 4th step;

The 3rd step: if otherwise directly jumped to for the 4th step;

7, a kind of method of safety electronic paper being carried out electronization; described safety electronic paper comprises at least one Electronic Paper protection zone; information protection first conductive contact that the first electrode setting of each pixel of described Electronic Paper protection zone connects by lead; information protection second conductive contact that connects by lead is set on second electrode; short-circuit part makes to be in low impedance state or to conduct under certain pressure effect between described first conductive contact and described second conductive contact and contacts, and it is characterized in that comprising following steps:

Second step: make between first electrode of respective pixel of described Electronic Paper protection zone and second electrode and be in high impedance status or electric insulating state if then remove or unclamp short-circuit part, jumped to for the 4th step;

The 3rd step: if otherwise directly jumped to for the 4th step;

8, preferably before sending authentication request information, require the input Personal Identity Number to described authentification of message parts.

9, preferably in the authentication request information of sending to described authentification of message parts, comprise Personal Identity Number.

10, preferably described authentification of message parts are discerned Personal Identity Number, if Personal Identity Number

Correctly then carry out the subsequent operation process, if Personal Identity Number mistake then finish electronic process.

Beneficial effect of the present invention: technical scheme of the present invention has solved Electronic Paper effectively by external electrical field or the illegal or unexpected problem of changing of impressed voltage, the information of keeping Electronic Paper effectively and being presented, the fields such as certificate, official document that are applied to for Electronic Paper provide the effective technology scheme that realizes.

Description of drawings:

Fig. 1 is the first kind of solution principle schematic that realizes the protection Pixel Information.

Fig. 2 is the principle schematic that increases information Control parts and input block on first kind of solution basis.

Fig. 3 is the principle schematic that increases information Control parts and wireless input block on first kind of solution basis.

Fig. 4 is the second kind of solution principle schematic that realizes the protection Pixel Information.

Fig. 5 is the principle schematic that increases by first kind of short-circuit part on second kind of solution basis.

Fig. 6 is the principle schematic that increases by second kind of short-circuit part on second kind of solution basis.

Fig. 7 is the third solution principle schematic that realizes the protection Pixel Information.

Fig. 8 is the principle schematic that increases information Control parts and input block on the third solution basis.

Fig. 9 is the principle schematic that increases information Control parts and wireless input block on the third solution basis.

Figure 10 is that electronic paper information protector is realized synoptic diagram.

Figure 11 is the 4th kind of solution principle schematic that realizes the protection Pixel Information.

Figure 12 is in the another kind of principle schematic that realizes of the 4th kind of solution.

Figure 13 is the improvement principle schematic the 4th kind of solution.

Figure 14 is the first method synoptic diagram that safety electronic paper carries out electronization.

Figure 15 is the second method synoptic diagram that safety electronic paper carries out electronization.

Figure 16 is the third method synoptic diagram that safety electronic paper carries out electronization.

Figure 17 is the 4th kind of method synoptic diagram that safety electronic paper carries out electronization.

Figure 18 is the 5th kind of method synoptic diagram that safety electronic paper carries out electronization.

Figure 19 is the 6th kind of method synoptic diagram that safety electronic paper carries out electronization.

Figure 20 is the 7th kind of method synoptic diagram that safety electronic paper carries out electronization.

Embodiment:

Electronic Paper is a kind of special paper, be coated with micro unit (being also referred to as pixel cell) on it with electrophoretic characteristic or electro-wetting property, these micro units have the externally following characteristic that changes optical states of electric field action, and after the optical states change, even remove extra electric field, still can keep optical states.Therefore, be actually control for the printing of Electronic Paper and be added in the external electrical field size and Orientation on each micro unit on the Electronic Paper, make each micro unit on the Electronic Paper present the optical characteristics of our needs." micro unit " has identical meanings with " pixel of Electronic Paper " among the present invention.

Further describe specific embodiments of the present invention below in conjunction with accompanying drawing.

Fig. 1 is the first kind of solution principle schematic that realizes the protection Pixel Information.Electronic Paper comprises the array that a lot of pixels constitute, and each pixel comprises pixel electrode and non-volatile display material.Pixel electrode herein is also referred to as grid electrode.Pixel comprises grid first electrode 102 and grid second electrode 103 among the figure, and non-volatile display material 104 places between grid first electrode 102 and grid second electrode 103.Grid first electrode 102 has the lead 105 of first electrode drive, and grid second electrode 103 has the lead 106 of second electrode drive.When pixel is carried out electronization, apply voltage for grid first electrode 102 and grid second electrode 103 by lead 105 and lead 106, between grid first electrode 102 and grid second electrode 103, form the electric field of certain orientation, change the optical states of non-volatile display material 104, thereby present information.The present invention has increased electronic switch 101 between grid first electrode 102 and grid second electrode 103, connect the state of electronic switch with the control electronic switch with control signal wire 107.When electronic switch is in conducting state, present Low ESR between described grid first electrode 102 and grid second electrode 103, when on pixel, applying external electrical field, on grid first electrode 102 and grid second electrode 103, will have essentially identical current potential, thereby the potential difference (PD) between grid first electrode 102 and grid second electrode 103 is very little, therefore can prevent the change of external electrical field for pixel information; It is same when electronic switch is in conducting state; apply voltage for grid first electrode 102 and grid second electrode 103 by lead 105 and lead 106; owing to present Low ESR between grid first electrode 102 and grid second electrode 103; thereby the potential difference (PD) between grid first electrode 102 and grid second electrode 103 is very little, and the optical states that can not change the non-volatile display material 104 of pixel has reached the purpose of protection pixel information.When needs are revised pixel information, only need send control signal to control signal wire 107, make electronic switch 101 be in off-state, present high impedance between described grid first electrode 102 and grid second electrode 103 this moment, apply electric field or between described grid first electrode 102 and grid second electrode 103, apply voltage by the outside, can change the optical states of pixel.

Fig. 2 is the principle schematic that increases information Control parts and input block on first kind of solution basis.In order to realize that the control of electronic switch 101 is checked or authenticated, information control unit 210 and information input unit 211 have been increased.Therefore information control unit 210 process informations can artificially control the state of electronic switch according to the definite control signal that sends to the control signal wire 107 of electronic switch 101 of the input information of input block 211.Particularly when information control unit 210 comprises the identifying algorithm processing unit and has authentication function, can be to input information from information input unit 211, have only by the input of authentification of message and could control electronic switch, can prevent more effectively that the pixel information of Electronic Paper from being distorted or unlawfully being modified.

Fig. 3 is the principle schematic that increases information Control parts and wireless input block on first kind of solution basis.Scheme than Fig. 2, the solution of Fig. 3 comprises information control unit 310 and wireless induction antenna 311, by wireless induction antenna 311 induction wireless electric signal input informations, information control unit 310 is handled the radio signal input information, has only correct input information could control electronic switch 101.Therefore can prevent that pixel information from illegally being distorted.

Fig. 4 is the second kind of solution principle schematic that realizes the protection Pixel Information.Different with the scheme of Fig. 1, the present embodiment is to draw first conductive contact 422 and second conductive contact 423 by first lead 421 and second lead 424 respectively on grid first electrode 102 and grid second electrode 103.When preventing to place the optical states of the non-volatile display material 104 between grid first electrode 102 and grid second electrode 103, revised unusually by needs; only need on first conductive contact 422 and second conductive contact 423, apply certain external force; make between first conductive contact 422 and second conductive contact 423 contact or be in low impedance state; no matter be to apply external electrical field or directly apply voltage between described grid first electrode 102 and grid second electrode 103 this moment; the capital is because potential difference (PD) between grid first electrode 102 and grid second electrode 103 is very little, thereby the optical states that can not change the non-volatile display material 104 of pixel has reached the purpose of protection pixel information.When needs are revised pixel information, only need make and not contact between first conductive contact 422 and second conductive contact 423 or be in high impedance status, apply electric field or between described grid first electrode 102 and grid second electrode 103, apply voltage by the outside, can change the optical states of pixel.

Fig. 5 is the principle schematic that increases by first kind of short-circuit part on second kind of solution basis.Scheme at Fig. 4, for first conductive contact 422 being contacted with second conductive contact 423 or being in low impedance state, Fig. 5 provides further technical scheme, promptly increase a short-circuit part, described short-circuit part comprises the 3rd conductive contact 531 and the 4th conductive contact 533 that is connected by a lead 532.When preventing to place the optical states of the non-volatile display material 104 between grid first electrode 102 and grid second electrode 103, revised unusually by needs; only need the 3rd conductive contact 531 with short-circuit part contact or be in low impedance state and the 4th conductive contact 533 is contacted with second conductive contact 423 or be in low impedance state with first conductive contact 422; make between first conductive contact 422 and second conductive contact 423 and be in low impedance state; no matter be to apply external electrical field or directly apply voltage between described grid first electrode 102 and grid second electrode 103 this moment; the capital is because potential difference (PD) between grid first electrode 102 and grid second electrode 103 is very little, thereby the optical states that can not change the non-volatile display material 104 of pixel has reached the purpose of protection pixel information.When revising pixel information, needs only need remove short-circuit part, make between grid first electrode 102 and grid second electrode 103 and be in high impedance status, apply electric field or between described grid first electrode 102 and grid second electrode 103, apply voltage by the outside, can change the optical states of pixel.

Fig. 6 is the principle schematic that increases by second kind of short-circuit part on second kind of solution basis.The scheme of Fig. 6 is the distortion of the scheme of Fig. 5, and the scheme that difference is Fig. 6 is designed to integral body, short-circuit part easy to use with the 3rd conductive contact 631 and the 4th conductive contact 633 that the lead 632 of short-circuit part connects.

Fig. 7 is the third solution principle schematic that realizes the protection Pixel Information.Pixel comprises grid first electrode 102 and grid second electrode 103 among the figure, and non-volatile display material 104 places between grid first electrode 102 and grid second electrode 103.Between the lead 705 of grid first electrode 102 and first electrode drive, increase by first electronic switch 701, between the lead 706 of grid second electrode 103 and second electrode drive, increase by second electronic switch 708.Control for first electronic switch 701 is undertaken by first control signal wire 707, is undertaken by second control signal wire 709 for the control of second electronic switch 708.When sending control signal for first control signal wire 707 to make first electronic switch 701 be in off-state; present high impedance between the lead 705 of described grid first electrode 102 and first electrode drive; and/or when sending control signal for second control signal wire 709 to make second electronic switch 708 be in off-state; present high impedance between the lead 706 of described grid second electrode 103 and second electrode drive; apply voltage for grid first electrode 102 and grid second electrode 103 by lead 705 and lead 706; because first electronic switch 701 is in off-state and/or second electronic switch 708 is in off-state; thereby the potential difference (PD) between grid first electrode 102 and grid second electrode 103 is very little, and the optical states that can not change the non-volatile display material 104 of pixel has reached the purpose of protection pixel information.When needs are revised pixel information, only need send control signal to first control signal wire 707 and second control signal wire 709 makes first electronic switch 701 be in conducting state and makes second electronic switch 708 be in conducting state, apply voltage this moment between described grid first electrode 102 and grid second electrode 103, can change the optical states of pixel.This scheme can prevent to apply the abnormal change that voltage causes pixel information by direct drive electrode to pixel.

Fig. 8 is the principle schematic that increases information Control parts and input block on the third solution basis.In order to realize that the control of first electronic switch 701 and second electronic switch 708 is checked or authenticated, information control unit 810 and information input unit 811 have been increased.Information control unit 810 process informations are determined therefore can artificially control the state of electronic switch to first control signal wire 707 of first electronic switch 701 and/or second electronic switch 708 and/or the control signal of second control signal wire, 709 transmissions according to the input information of input block 811.Particularly when information control unit 810 comprises the identifying algorithm processing unit and has authentication function, can be to input information from information input unit 811, have only by the input of authentification of message and could control electronic switch, can prevent more effectively that the pixel information of Electronic Paper from being distorted or unlawfully being modified.

Fig. 9 is the principle schematic that increases information Control parts and wireless input block on the third solution basis.Scheme than Fig. 7, the solution of Fig. 9 comprises information control unit 910 and wireless induction antenna 911, by wireless induction antenna 911 induction wireless electric signal input informations, information control unit 910 is handled the radio signal input information, has only correct input information could control first electronic switch 701 and/or second electronic switch 708.Therefore can prevent that pixel information from illegally being distorted.

Figure 10 is that electronic paper information protector is realized synoptic diagram.Electronic paper information protector comprises by first conductive material layer 1001 and second conductive material layer 1002 and forms the cavity 1003 that can hold Electronic Paper, and described first conductive material layer 1001 has at least one conduction contact point or conduction osculatory or conductive contact surfaces with described second conductive material layer 1002.For the ease of placing or take out Electronic Paper; in cavity 1003 edges one opening 1004 is set; the Electronic Paper of needs being carried out information protection by opening 1004 is packed in the cavity 1003; make the electronics recto near first conductive material layer 1001, the back side of Electronic Paper is near second conductive material layer 1002.Like this; when external electrical field acts on electronic paper information protector; because cavity 1003 outer first conductive material layer 1001 and second conductive material layers 1002 have formed equipotential; therefore can not form the electric field of the optical states that changes the Electronic Paper pixel for the Electronic Paper in the cavity 1003, reach and prevent that the shown information of Electronic Paper is by the purpose of accident or illegal modifications.Further, can be read in order to make the Electronic Paper that places in the cavity 1003, first conductive material layer 1001 and/or second conductive material layer 1002 adopt optically transparent material to get final product, and not needing can realize like this taking out Electronic Paper from cavity 1003, can read the content of Electronic Paper.

Figure 11 is the 4th kind of solution principle schematic that realizes the protection Pixel Information.This scheme is that the Electronic Paper material layer 1102 that needs protection of electronization is placed between first conductive material layer 1101 and second conductive material layer 1103; by lamination or barbola work first conductive material layer 1101, Electronic Paper material layer 1102, second conductive material layer 1103 are formed the lamination of one, and make described first conductive material layer 1101 and described second conductive material layer 1103 that at least one conduction contact point or conduction osculatory or conductive contact surfaces be arranged.Like this, when external electrical field acts on lamination, because the Electronic Paper material layer 1,102 first outer conductive material layers 1101 have formed equipotential with described second conductive material layer 1103, therefore can not form the electric field of the optical states that changes the Electronic Paper pixel for Electronic Paper material layer 1102, reach and prevent that the shown information of Electronic Paper material layer 1102 is by the purpose of accident or illegal modifications.Further, for the content that makes Electronic Paper material layer 1102 can be read, first conductive material layer 1101 and/or described second conductive material layer 1103 adopt optically transparent material to get final product.

Figure 12 is in the another kind of principle schematic that realizes of the 4th kind of solution.This scheme is that the Electronic Paper material layer 1202 that needs protection of electronization is placed between first conductive material layer 1201 and second conductive material layer 1203; on described first conductive material layer 1201, first conductive contact 1204 is set; second conductive contact 1205 is set on described second conductive material layer; by lamination or barbola work with first conductive material layer 1201; Electronic Paper material layer 1202; second conductive material layer 1203 forms the lamination of one, and makes to be in low impedance state or to conduct between described first conductive contact 1204 and described second conductive contact 1205 and contact.Like this, when external electrical field acts on lamination, because the Electronic Paper material layer 1,202 first outer conductive material layers 1201 have formed equipotential with described second conductive material layer 1203, therefore can not form the electric field of the optical states that changes the Electronic Paper pixel for Electronic Paper material layer 1202, reach and prevent that the shown information of Electronic Paper material layer 1202 is by the purpose of accident or illegal modifications.Further, for the content that makes Electronic Paper material layer 1202 can be read, first conductive material layer 1201 and/or described second conductive material layer 1203 adopt optically transparent material to get final product.

Figure 13 is the improvement principle schematic the 4th kind of solution.On the solution basis of Figure 11, increase by first protective seam 1301 and second protective seam 1302 again, first protective seam 1301, first conductive material layer 1101, Electronic Paper material layer 1102, second conductive material layer 1103, second protective seam 1302 are formed the lamination of one by lamination or barbola work.Than the scheme of Figure 11, except function and effect with Figure 11 scheme, the protective seam of this programme can strengthen the wearing quality of stack surface, improves the serviceable life of lamination.For the Electronic Paper material layer information in the lamination can be read, first protective seam 1301 and second protective seam 1302 adopt transparent high-abrasive material to get final product.

Figure 14 is the first method synoptic diagram that safety electronic paper carries out electronization.A kind of method of safety electronic paper being carried out electronization, when described safety electronic paper comprises at least one Electronic Paper protection zone, when being provided with electronic switch between first electrode of each pixel of described Electronic Paper protection zone and second electrode, comprise following steps: at first judge described Electronic Paper is carried out the pixel whether electronic zone comprises the Electronic Paper protection zone in step 1401, be in high impedance status or electric insulating state if then enter between first electrode and second electrode of respective pixel that the described electronic switch of step 1402 control makes described Electronic Paper protection zone, enter step 1403 then and can realize electronization Electronic Paper to the drive electrode transmission drive signal of described Electronic Paper; Do not comprise the pixel of Electronic Paper protection zone if described Electronic Paper is carried out the zone of electronization, then directly jump to step 1403 and send drive signal to the drive electrode of described Electronic Paper and can realize electronization Electronic Paper.

Figure 15 is the second method synoptic diagram that safety electronic paper carries out electronization.A kind of method of safety electronic paper being carried out electronization, when described safety electronic paper comprises at least one Electronic Paper protection zone, being provided with electronic switch between first electrode of each pixel of described Electronic Paper protection zone and the electrode drive lead-in wire is, comprise following steps: at first judge described Electronic Paper is carried out the pixel whether electronic zone comprises the Electronic Paper protection zone in step 1501, be in low impedance state or electric conducting state if then enter between first electrode and the electrode drive lead-in wire of respective pixel that the described electronic switch of step 1502 control makes described Electronic Paper protection zone, enter step 1503 then and can realize electronization Electronic Paper to the drive electrode transmission drive signal of described Electronic Paper; Do not comprise the pixel of Electronic Paper protection zone if described Electronic Paper is carried out the zone of electronization, then directly jump to step 1503 and send drive signal to the drive electrode of described Electronic Paper and can realize electronization Electronic Paper.

Figure 16 is the third method synoptic diagram that safety electronic paper carries out electronization.A kind of method of safety electronic paper being carried out electronization, when described safety electronic paper comprises authentification of message parts and at least one Electronic Paper protection zone, when being provided with electronic switch between first electrode of each pixel of described Electronic Paper protection zone and second electrode, comprise following steps: at first judge described Electronic Paper is carried out the pixel whether electronic zone comprises the Electronic Paper protection zone in step 1601, send authentication request information if then enter step 1602 to described authentification of message parts, in step 1603, described authentication request information is authenticated then by described authentication parts, if authentication success then enter between first electrode and second electrode of respective pixel that the described electronic switch of step 1604 control makes described Electronic Paper protection zone and be in high impedance status or electric insulating state enters step 1605 again and sends the electronization of drive signal realization to Electronic Paper to the drive electrode of described Electronic Paper; If authentification failure then enter step 1606 and withdraw from process to the Electronic Paper electronization.If described Electronic Paper is carried out the pixel that electronic zone does not comprise the Electronic Paper protection zone, then directly jump to step 1605 and send the electronization of drive signal realization Electronic Paper to the drive electrode of described Electronic Paper.

Figure 17 is the 4th kind of method synoptic diagram that safety electronic paper carries out electronization.A kind of method of safety electronic paper being carried out electronization, when described safety electronic paper comprises authentification of message parts and at least one Electronic Paper protection zone, when being provided with electronic switch between first electrode of each pixel of described Electronic Paper protection zone and the electrode drive lead-in wire, comprise following steps: at first judge described Electronic Paper is carried out the pixel whether electronic zone comprises the Electronic Paper protection zone in step 1701, send authentication request information if then enter step 1702 to described authentification of message parts, in step 1703, described authentication request information is authenticated then by described authentication parts, if authentication success then enter between first electrode and the electrode drive lead-in wire of respective pixel that the described electronic switch of step 1704 control makes described Electronic Paper protection zone and be in low impedance state or electric conducting state enters step 1705 again and sends the electronization of drive signal realization to Electronic Paper to the drive electrode of described Electronic Paper; If authentification failure then enter step 1706 and withdraw from process to the Electronic Paper electronization.If described Electronic Paper is carried out the pixel that electronic zone does not comprise the Electronic Paper protection zone, then directly jump to step 1705 and send the electronization of drive signal realization Electronic Paper to the drive electrode of described Electronic Paper.

Figure 18 is the 5th kind of method synoptic diagram that safety electronic paper carries out electronization.A kind of method of safety electronic paper being carried out electronization, when described safety electronic paper comprises at least one Electronic Paper protection zone, when being provided with short-circuit part between first electrode of each pixel of described Electronic Paper protection zone and second electrode, comprise following steps: at first judge described Electronic Paper is carried out the pixel whether electronic zone comprises the Electronic Paper protection zone in step 1801, move described short-circuit part and make between first electrode of respective pixel of described Electronic Paper protection zone and second electrode and be in high impedance status or electric insulating state if then enter step 1802, enter step 1803 then and send drive signal to the drive electrode of described Electronic Paper and can realize electronization Electronic Paper; Do not comprise the pixel of Electronic Paper protection zone if described Electronic Paper is carried out the zone of electronization, then directly jump to step 1803 and send drive signal to the drive electrode of described Electronic Paper and can realize electronization Electronic Paper.

Figure 19 is the 6th kind of method synoptic diagram that safety electronic paper carries out electronization.A kind of method of safety electronic paper being carried out electronization, when described safety electronic paper comprises at least one Electronic Paper protection zone, information protection first conductive contact that the first electrode setting of each pixel of described Electronic Paper protection zone connects by lead, when on second electrode information protection second conductive contact that connects by lead being set, comprise following steps: at first judge described Electronic Paper is carried out the pixel whether electronic zone comprises the Electronic Paper protection zone in step 1901, remove or reduce to be applied to pressure between described first conductive contact and described second conductive contact and make between first electrode of respective pixel of described Electronic Paper protection zone and second electrode and be in high impedance status or electric insulating state if then enter step 1902, enter step 1903 then and send drive signal to the drive electrode of described Electronic Paper and can realize electronization Electronic Paper; Do not comprise the pixel of Electronic Paper protection zone if described Electronic Paper is carried out the zone of electronization, then directly jump to step 1903 and send drive signal to the drive electrode of described Electronic Paper and can realize electronization Electronic Paper.

Figure 20 is the 7th kind of method synoptic diagram that safety electronic paper carries out electronization.A kind of method of safety electronic paper being carried out electronization, when described safety electronic paper comprises at least one Electronic Paper protection zone, information protection first conductive contact that the first electrode setting of each pixel of described Electronic Paper protection zone connects by lead, information protection second conductive contact that connects by lead is set on second electrode, short-circuit part makes and is in low impedance state between described first conductive contact and described second conductive contact under certain pressure effect or conducts when contacting, comprise following steps: at first judge described Electronic Paper is carried out the pixel whether electronic zone comprises the Electronic Paper protection zone in step 2001, remove or unclamp short-circuit part and make between first electrode of respective pixel of described Electronic Paper protection zone and second electrode and be in high impedance status or electric insulating state if then enter step 2002, enter step 2003 then and send drive signal to the drive electrode of described Electronic Paper and can realize electronization Electronic Paper; Do not comprise the pixel of Electronic Paper protection zone if described Electronic Paper is carried out the zone of electronization, then directly jump to step 2003 and send drive signal to the drive electrode of described Electronic Paper and can realize electronization Electronic Paper.

Claims

1. safe one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is public electrode;

Between at least one grid electrode of the described first grid array electrode and described second electrode, an electronic switch is set, when described electronic switch was in conducting state, described electronic switch made and is in low impedance state between described grid electrode and described second electrode or electric conducting state is changed to prevent the pairing pixel information of described grid electrode.

2. safe one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Between the corresponding grid electrode of at least one grid electrode of the described first grid array electrode and described second electrode, an electronic switch is set, when described electronic switch is in conducting state, be in low impedance state or electric conducting state between the described grid electrode that described electronic switch makes described first grid array and the corresponding grid electrode of described second electrode to prevent that the pairing pixel information of described grid electrode of described first grid array is changed.

3. safe one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

Second electrode is public electrode;

The described first grid array electrode is provided with an electronic switch between each grid electrode of described Electronic Paper protection zone and described second electrode; when described electronic switch was in conducting state, described electronic switch made and is in low impedance state between described grid electrode and described second electrode or electric conducting state is changed to prevent the pairing pixel information of described grid electrode.

4. safe one-side electronic paper is characterized in that comprising:

Nonvolatile display material;

The described first grid array electrode is provided with an electronic switch between the corresponding grid electrode of each grid electrode of described Electronic Paper protection zone and described second electrode; when described electronic switch is in conducting state, be in low impedance state between the described grid electrode that described electronic switch makes described first grid array and the corresponding grid electrode of described second electrode or electric conducting state is changed with the pairing pixel information of the described grid electrode that prevents described first grid array.

5. according to each described safe one-side electronic paper in the claim 1 to 4, it is characterized in that further comprising information control unit and information input unit, described information control unit is according to the state of the described electronic switch of information Control of information input unit input.

6. according to each described safe one-side electronic paper in the claim 1 to 4, it is characterized in that further comprising information control unit, radio-frequency antenna and radiofrequency signal processing unit, the radio-frequency information that passes through described radiofrequency signal processing unit processes from the radiofrequency signal of described radio-frequency antenna induction passes to described information control unit, and described information control unit is controlled the state of described electronic switch according to described radio-frequency information.

7. according to each described safe one-side electronic paper in the claim 1 to 4, it is characterized in that further comprising information control unit and identifying algorithm processing unit, described information control unit is controlled the state of described electronic switch according to described identifying algorithm processing unit authentication result.

8. according to each described safe one-side electronic paper in the claim 1 to 4, it is characterized in that further comprising information control unit, information input unit and identifying algorithm processing unit, described identifying algorithm processing unit carries out authentication processing to the information of described input block input and obtains authentication result, and described information control unit is controlled the state of described electronic switch according to described authentication result.

9. according to each described safe one-side electronic paper in the claim 1 to 4, it is characterized in that further comprising information control unit, radio-frequency antenna, radiofrequency signal processing unit and identifying algorithm processing unit, the radio-frequency information that passes through described radiofrequency signal processing unit processes from the radiofrequency signal of described radio-frequency antenna induction passes to described identifying algorithm processing unit, described identifying algorithm processing unit carries out authentication processing to described radio-frequency information and obtains authentication result, and described information control unit is controlled the state of described electronic switch according to described authentication result.

10. according to each described safe one-side electronic paper in the claim 1 to 4, it is characterized in that described nonvolatile display material comprises one of following material layer or combination: have electrophoretic effect the microcapsules electronic ink layer, have little cup structure thinner package rete, screw layer, Electronic Paper material layer, the bistable cholesteric of electrophoretic effect with electrowetting effect.