CN210515351U

CN210515351U - Smart card

Info

Publication number: CN210515351U
Application number: CN201922166717.4U
Authority: CN
Inventors: 马艳伟; 祝景国
Original assignee: Jiangsu Hengbao Intelligent System Technology Co Ltd
Current assignee: Jiangsu Hengbao Intelligent System Technology Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-05-12
Anticipated expiration: 2029-12-05

Abstract

The application relates to the field of smart cards, in particular to a smart card, comprising: the display sheet is formed by sequentially laminating a first transparent substrate layer, a first conductor layer, a first electric field enabling color changing layer, a second conductor layer and a second transparent substrate layer; and part of the positions of the first conductor layer and the second conductor layer of the display piece are burned by laser, and/or part of the positions of the electric field enabled color changing layer of the display piece are burned by laser. Because this application has the display piece, and the part position of conductor layer one and conductor layer two through the display piece is by laser ablation, with part conductor layer one and the puncture of conductor layer two, perhaps destroy partial electric field enable discoloration layer inner structure, the inside electron of influence enable discoloration layer flows, thereby the colour change of the discoloration unit that blocks enable discoloration layer, fixed pattern has been formed, consequently this smart card can have local discoloration display function in the electric field, the use power supply unit has still been avoided simultaneously, thereby the cost of smart card has been reduced when improving the prompt effect of smart card.

Description

Smart card

Technical Field

The application relates to the field of smart cards, in particular to a smart card.

Background

With the change of mobile payment, the flash payment function of the IC card brings convenience to users, a cardholder can carry out small-amount secret-free quick payment in a non-contact mode, the transaction can be completed within half a second of card volatilization time, and the user experience is greatly improved.

At the same time, users are also gradually starting to pursue other properties of the card, such as: through subassembly such as light, display screen, vocal ware, gyroscope, increase the performance of card from different dimensions such as outward appearance, colour, sound, feel to promote user experience.

For example, one or more LED lamps are added to the card, and a matching coil is added, so that when the coil enters the magnetic field of the card reader, the LED lamp is driven to emit light, thereby playing a role in prompting. As another example, a display screen (EPD or OLED) and a matched circuit are added on the card, and when the card is swiped, information such as the amount of money swiped can be displayed on the display screen to play a role in reminding.

However, the LED lamp has a small action range, and plays a role in prompting through the LED lamp, so that the prompting effect is limited. In addition, most of the power consumption of the display screen exceeds milliampere, the display screen is difficult to support long-time use only by coil power supply, a special power supply unit needs to be equipped, and the cost of the display screen and the cost of the power supply unit are high, so that the cost of the card is increased; due to the restriction of cost, the small-size display screen is arranged, and the prompting effect in the card swiping process is limited.

Therefore, how to reduce the cost of the smart card while improving the prompting effect of the smart card is a technical problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The application provides a smart card to reduce the cost of the smart card while improving the prompt effect of the smart card.

In order to solve the technical problem, the application provides the following technical scheme:

a smart card, comprising: the display sheet is formed by sequentially laminating a first transparent substrate layer, a first conductor layer, a first electric field enabling color changing layer, a second conductor layer and a second transparent substrate layer; and part of the positions of the first conductor layer and the second conductor layer of the display piece are burned by laser, and/or part of the positions of the electric field enabled color changing layer of the display piece are burned by laser.

The smart card as described above, wherein preferably, the first conductor layer comprises: and a second conductive oxide layer, a first metal layer and a first conductive oxide layer are sequentially stacked from one side of the transparent substrate to the direction of the electric field enabling color changing layer.

The smart card as described above, wherein preferably, the first conductor layer further includes: and the insulating layer is laminated between the first transparent substrate and the second conductive oxide layer of the first conductor layer.

The smart card as described above, wherein preferably, the second conductor layer includes: and a third conductive oxide layer, a second metal layer and a fourth conductive oxide layer are sequentially laminated from one side of the second transparent substrate to the direction of the electric field enabling color changing layer.

In the above smart card, preferably, the second conductor layer further includes: and the insulating layer is laminated between the second transparent substrate and the third conductive oxide layer of the second conductor layer.

The smart card as described above, preferably, further comprising: the card body, the display card is inlayed on the card body to the surface of display card exposes towards the upper surface of card body.

The smart card as described above, preferably, further comprising: transparent protection film, transparent protection film parcel card body and the whole that the display screen formed to with display screen and card body fixed connection.

The smart card as described above, preferably, the card body is provided with a window, the edge of the window extends into the card with a groove, and the edge of the display piece is inserted into the groove to fixedly connect the display piece with the card body.

The smart card as described above, preferably, further comprising: the transparent protective film of window is seted up, and transparent protective film parcel card body to the display screen is outwards exposed through the window on the transparent protective film.

The smart card as described above, wherein preferably, the surface of the card body is provided with a gold finger to communicate with an external device.

The smart card as described above, wherein, preferably, the card body is internally packaged with an internal circuit and an FPC circuit board.

In contrast to the above background art, the present application provides a smart card, comprising: the display sheet is formed by sequentially laminating a first transparent substrate layer, a first conductor layer, a first electric field enabling color changing layer, a second conductor layer and a second transparent substrate layer; and part of the positions of the first conductor layer and the second conductor layer of the display piece are burned by laser, and/or part of the positions of the electric field enabled color changing layer of the display piece are burned by laser. Because the smart card of this application has the display piece, and the part position of conductor layer one and conductor layer two through the display piece is burnt by laser, with part conductor layer one and the puncture of conductor layer two, perhaps destroy partial electric field messenger discoloration layer inner structure, the inside electron of influence messenger's discoloration layer flows, thereby the colour that blocks the discoloration unit that makes the discoloration layer changes, fixed pattern has been formed, consequently this smart card can have the local display function that discolours in the electric field, the use power supply unit has still been avoided simultaneously, thereby the cost of smart card has been reduced when improving the suggestion effect of smart card.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic structural diagram of a display sheet of a smart card provided in an embodiment of the present application;

FIG. 2 is a schematic diagram of laser burning of a smart card according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a smart card provided in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a first conductive layer provided in the present embodiment;

fig. 5 is a schematic structural diagram of a second conductive layer provided in the present embodiment;

fig. 6 is a schematic diagram illustrating a smart card displaying a prompt message in use according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a display sheet of a smart card according to an embodiment of the present disclosure;

the application provides a smart card, including: the display sheet 100 is formed by sequentially laminating a first transparent substrate layer 110, a first conductor layer 120, a second electric field enabling color changing layer 130, a second conductor layer 140 and a second transparent substrate layer 150.

The first transparent substrate layer 110 and the second transparent substrate layer 150 can be made of glass, PVC and other materials; the first conductor layer 120 and the second conductor layer 140 have floating potentials, and under the action of an external electric field, required compensating ions are injected into the electric field enabling color changing layer 130 (electrons may be injected into the electric field enabling color changing layer 130 from one side, and positive ions are injected into the electric field enabling color changing layer 130 from the other side), so that the electric field enabling color changing layer 130 presents the characteristic of reversible electrochemical mediated change; the electric field-enabled color changing layer 130 is a material in which optical properties (reflectivity, transmittance, absorption, etc.) of the material are stably and reversibly changed in color by an external electric field, and is visually represented by reversible changes in color and transparency. The material of the electric field enabling color changing layer 130 is classified into an inorganic electrochromic material and an organic electrochromic material, wherein the inorganic electrochromic material is typically tungsten trioxide, and the organic electrochromic material mainly comprises polythiophene and derivatives thereof, viologen, tetrathiafulvalene, metal phthalocyanine compounds and the like.

And part of the positions of the first conductor layer 120 and the second conductor layer 140 are burned by laser, and/or part of the positions of the electric field enabling discoloring layer 130 are burned by laser to form a fixed pattern.

Referring to fig. 2, fig. 2 is a schematic diagram illustrating laser burning of a smart card according to an embodiment of the present disclosure;

and (2) directly irradiating the electric field color changing layer 130 by using laser (which can be laser with lower temperature) through the first transparent substrate layer 110 and the first conductor layer 120, and burning the irradiated position on the electric field color changing layer 130 in the process to destroy the internal structure of part of the electric field color changing layer, so that a stable and unchanged pattern 101 is formed at the position irradiated by the laser. In addition, laser (which may be laser with higher temperature) may be used, and the first conductor layer 120, the electric field enabling discoloration layer 130, and the second conductor layer 140 are irradiated with the laser through the first transparent substrate layer 110, so that a partial position of the first conductor layer 120 that transmits the laser may be burned, that is, the floating potential in the first conductor layer 120 at the position may be destroyed; and/or burning the position irradiated by the electric field enabling discoloring layer 130 by laser so that the first conductor layer 120 and the second conductor layer 140 are connected together; thereby forming a stable non-varying pattern 101 at the position irradiated with the laser, for example: the laser burning process follows a certain track, so that certain patterns or characters are formed.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a smart card according to an embodiment of the present disclosure;

in order to guarantee the intensity of card, the smart card still includes: the display sheet 100 is embedded on the card body 200, and the surface of the display sheet 100 is exposed towards the upper surface of the card body 200. Specifically, a window may be opened on the card body 200, the display sheet 100 is embedded in the window, and the transparent protective film wraps the whole formed by the card body 200 and the display sheet 100 to fixedly connect the display sheet 100 and the card body 200, and the transparent protective film also plays a role in protection and shielding. In addition, a pattern may be printed on the surface of the transparent protective film offset display sheet 100 to perform a logo and a beauty function. In addition, after the transparent protective film wraps the whole formed by the card body 200 and the display sheet 100, the surface of the transparent protective film is flat, namely the surface of the formed smart card is flat.

In addition, a window may be formed in the card body 200, an edge of the window extends into the card to form a groove, and an edge of the display piece 100 is inserted into the groove to fixedly connect the display piece 100 and the card body 200. On the basis, the outside of the card body 200 is wrapped with a transparent protective film to protect and shield the card body 200 through the transparent protective film, a window is formed in the transparent protective film, and the display piece 100 is exposed outwards through the window in the transparent protective film.

On the basis, the surface of the transparent protective film can be printed with patterns to play roles of marking and beautifying. In addition, the transparent protective film in the above two modes may be an ink layer.

A gold finger 210 is further provided on the surface of the card body 200 to communicate with an external device. In addition, the internal circuit of the smart card, the FPC board, the coil, and the like are all packaged inside the card body 200. Specifically, the coil is disposed around the display sheet 100 inside the card body 200. On the basis of the above, please refer to fig. 4 and fig. 5, in which fig. 4 is a schematic structural diagram of a first conductive layer provided in the present embodiment, and fig. 5 is a schematic structural diagram of a second conductive layer provided in the present embodiment;

specifically, a second conductive oxide layer 122, a first metal layer 123 and a first conductive oxide layer 124 are sequentially stacked from one side of the first transparent substrate 110 toward the electric field enabling color changing layer 130 to form a first conductive layer 120. In order to ensure the insulation between the first conductive layer 120 and the first transparent substrate 110 and to improve the security of the smart card, the first conductive layer 120 further includes an insulating layer 121, and the insulating layer 121 is stacked between the first transparent substrate 110 and the second conductive oxide layer 122 of the first conductive layer 120.

Similarly, a second conductive oxide layer 143, a second metal layer 142, and a fourth conductive oxide layer 141 are sequentially stacked from the second transparent substrate 150 side toward the electrochromic layer 130 to form a second conductive layer 140. In order to ensure the insulation between the second conductive layer 140 and the second transparent substrate 150 and improve the security of the smart card, the second conductive layer 140 further includes an insulating layer 144, and the insulating layer 144 is stacked between the second transparent substrate 150 and the third conductive oxide layer 143 of the second conductive layer 140.

Referring to fig. 6, fig. 6 is a schematic diagram illustrating a prompt message displayed in use of a smart card according to an embodiment of the present application;

in a normal state of the smart card provided in the embodiment of the application, the display sheet 100 is black, gray, and the like. When the smart card is in an external electric field region such as a card reader electric field, the display sheet 100 becomes transparent except for the position burned by the laser under the action of the external electric field, and the part burned by the laser in the display sheet 100 does not change, and still presents the original color, for example: black, grey, showing traces of laser burning, for example: a particular signature, character, name, card number, card clock, pattern, etc. After the smart card provided by the application is separated from the electric field, the transparent part of the display sheet is restored to the original color, namely, specific signatures, characters and the like cannot be seen. Therefore, the smart card provided by the application can avoid using a power supply unit when the display function is used in a large area, so that the cost of the card is reduced while the prompt effect of the card is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A smart card, comprising: the display sheet is formed by sequentially laminating a first transparent substrate layer, a first conductor layer, a first electric field enabling color changing layer, a second conductor layer and a second transparent substrate layer; and part of the positions of the first conductor layer and the second conductor layer of the display piece are burned by laser, and/or part of the positions of the electric field enabled color changing layer of the display piece are burned by laser.

2. The smart card of claim 1, wherein the first conductor layer comprises: and a second conductive oxide layer, a first metal layer and a first conductive oxide layer are sequentially stacked from one side of the transparent substrate to the direction of the electric field enabling color changing layer.

3. The smart card of claim 2, wherein the first conductor layer further comprises: and the insulating layer is laminated between the first transparent substrate and the second conductive oxide layer of the first conductor layer.

4. The smart card of any of claims 1-3, wherein the second conductor layer comprises: and a third conductive oxide layer, a second metal layer and a fourth conductive oxide layer are sequentially laminated from one side of the second transparent substrate to the direction of the electric field enabling color changing layer.

5. The smart card of claim 4, wherein the second conductor layer further comprises: and the insulating layer is laminated between the second transparent substrate and the third conductive oxide layer of the second conductor layer.

6. The smart card of any of claims 1-3, further comprising: the card body, the display card is inlayed on the card body to the surface of display card exposes towards the upper surface of card body.

7. The smart card of claim 6, further comprising: transparent protection film, transparent protection film parcel card body and the whole that the display screen formed to with display screen and card body fixed connection.

8. The smart card of claim 6, wherein the card body defines a window, the edge of the window extends into the card body with a groove, and the edge of the display piece is inserted into the groove to fixedly connect the display piece with the card body.

9. The smart card of claim 8, further comprising: the transparent protective film of window is seted up, and transparent protective film parcel card body to the display screen is outwards exposed through the window on the transparent protective film.

10. The smart card of claim 6, wherein the surface of the card body is provided with a gold finger to communicate with an external device.