CN112598104A

CN112598104A - Visual card information display method and device, storage medium and computing equipment

Info

Publication number: CN112598104A
Application number: CN202110232554.4A
Authority: CN
Inventors: 姚飞杨
Original assignee: Beijing Xintong Nengchuang Technology Co ltd
Current assignee: Beijing Xintong Nengchuang Technology Co ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-04-02
Anticipated expiration: 2041-03-03
Also published as: CN112598104B

Abstract

The application discloses a method and a device for displaying information of a visual card, a storage medium and a computing device, wherein the visual card comprises a screen driving module and a display screen, and the method comprises the following steps: when the visual card is monitored to be identified by the transaction terminal, controlling a screen driving module to send a first screen refreshing instruction; executing a first screen refreshing instruction, and reducing the display content of a display screen; monitoring the transaction state of the visual card and the transaction terminal; controlling the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and receiving transaction information sent by the transaction terminal; and executing a second screen refreshing instruction to display the transaction information on the display screen. The technical problem that the display of the visual card is inaccurate in the prior art is solved.

Description

Visual card information display method and device, storage medium and computing equipment

Technical Field

The application relates to the technical field of data display, in particular to a method and a device for displaying information of a visual card, a storage medium and computing equipment.

Background

IC cards are also called as IC cards, and are widely used in finance, telecommunications, transportation, security management, identification, etc. due to their convenience in carrying and large storage capacity. The visual IC card is added with a microprocessor, a display screen and a screen driving chip on the basis of the traditional IC card. The display screen displays information such as account or wallet balance, transaction amount and the like in the transaction process.

The transaction between the visible IC card and the corresponding transaction terminal is generally divided into two states: online transaction, offline transaction. For online transaction, an account or a wallet runs in the background, and when the transaction amount and the balance are displayed on the visual intelligent IC card, related data need to be returned to the visual IC card after the background transaction of the server is completed, because network delay, background processing and the like all need a certain time, when the visual IC card leaves a transaction scene, the phenomenon that the background data is inconsistent with the visual IC card data occurs, and misunderstanding and disputes of a user are easily caused. For off-line transaction, account or wallet data is processed between a visible IC card and a transaction terminal, but the processing capacity of the visible IC card is limited, which may cause a long transaction time, and if the card leaves the transaction terminal, the transaction may be completed and the data display is delayed, especially for a passive visible IC card, which may cause bad user experience.

Aiming at the technical problem that the display of the visual card is inaccurate in the prior art, an effective solution is not provided at present.

Disclosure of Invention

The embodiment of the application provides a method and a device for displaying information of a visual card, a storage medium and computing equipment, which are used for at least solving the technical problem of inaccurate display of the visual card in the prior art.

According to an aspect of an embodiment of the present application, there is provided a method for displaying information on a video card, where the video card includes a screen driver module and a display screen, the method including: when the visual card is monitored to be identified by the transaction terminal, controlling a screen driving module to send a first screen refreshing instruction; executing a first screen refreshing instruction, and reducing the display content of a display screen; monitoring the transaction state of the visual card and the transaction terminal; controlling the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and receiving transaction information sent by the transaction terminal; and executing a second screen refreshing instruction to display the transaction information on the display screen.

According to another aspect of the embodiments of the present application, there is provided a visual card information display device, where a visual card includes a screen driving module and a display screen, the device including: the first control unit is used for controlling the screen driving module to send out a first screen refreshing instruction when the visual card is monitored to be identified by the trading terminal; the first display unit is used for executing a first screen refreshing instruction and reducing the display content of a display screen; the monitoring unit is used for monitoring the transaction state of the visual card and the transaction terminal; the second control unit is used for controlling the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and receiving transaction information sent by the transaction terminal; and the second display unit is used for executing the second screen refreshing instruction and displaying the transaction information on the display screen.

On the basis of any one of the above embodiments, executing the first screen refresh command, and reducing the display content of the display screen includes: and controlling the display screen to be in a black screen state or a white screen state.

On the basis of any one of the above embodiments, when it is monitored that the visual card is recognized by the transaction terminal, the controlling the screen driving module to issue the first screen refresh command includes: when the visible card is monitored to be identified by a transaction terminal, transaction initiation information sent by the transaction terminal is received, wherein the transaction initiation information comprises a brightness indication of the environment where the transaction terminal is located; analyzing the brightness indication to judge whether the environment of the transaction terminal is bright or dark; when the environment of the transaction terminal is judged to be bright, a first screen refreshing instruction for controlling the display screen to be in a black screen state is sent out; and when the environment of the transaction terminal is judged to be dark, sending a first screen refreshing instruction for controlling the display screen to be in a white screen state.

On the basis of any one of the above embodiments, when it is monitored that the visual card is recognized by the transaction terminal, the controlling the screen driving module to issue the first screen refresh command includes: when the visible card is monitored to be identified by a transaction terminal, transaction initiation information sent by the transaction terminal is received, wherein the transaction initiation information comprises an indication of a transaction type; analyzing the indication of the transaction type to judge whether the transaction type is a security verification or a financial transaction; when the transaction type is judged to be the safety verification, controlling the screen driving module not to execute operation; and when the transaction type is judged to be financial transaction, controlling the screen driving module to send out a first screen refreshing instruction.

On the basis of any one of the above embodiments, when it is monitored that the visual card is recognized by the transaction terminal, the controlling the screen driving module to issue the first screen refresh command includes: when the visible card is monitored to be identified by a transaction terminal, transaction initiation information sent by the transaction terminal is received, wherein the transaction initiation information comprises a safety indication of the environment where the transaction terminal is located; analyzing the safety indication to judge whether the environment of the transaction terminal is safe or unsafe; when the environment of the transaction terminal is judged to be safe, a first screen refreshing instruction for controlling a part of display screens to be in a black screen state or a white screen state is sent; and when the environment of the transaction terminal is judged to be unsafe, sending a first screen refreshing instruction for controlling all display screens to be in a black screen state or a white screen state.

On the basis of any of the above embodiments, the monitoring that the visible card is recognized by the transaction terminal includes: in the process that the visual card approaches the transaction terminal, the transaction terminal powers on the visual card through the interface; judging whether the voltage in the visual card reaches a working threshold value; when the voltage reaches the operational threshold, the visual card is recognized by the transaction terminal.

On the basis of any of the embodiments described above,

the monitoring of the transaction state of the visual card and the transaction terminal comprises the following steps: receiving a first signal sent by a transaction terminal, wherein the transaction terminal is configured to return the first signal indicating whether the transaction is successful or not to a visual card immediately after the transaction is completed; judging whether the transaction between the visual card and the transaction terminal is successful or not according to the first signal; receiving a second signal sent by the transaction terminal, wherein the transaction terminal is configured to return the second signal containing the transaction information to the visual card after the transaction is successful; when the transaction between the visual card and the transaction terminal is judged to be successful according to the first signal, the appointed byte in the second signal is checked to judge whether the transaction information is transmitted by the transaction terminal; the method further comprises the following steps: when the transaction success of the visual card and the transaction terminal is judged according to the first signal, controlling the screen driving module to send a third screen refreshing instruction so as to change the display content of the display screen; when the transaction failure of the visual card and the transaction terminal is judged according to the first signal, controlling the screen driving module to continuously send out a first screen refreshing instruction so as to reduce the display content of the display screen; when the appointed bytes in the second signal are verified to judge that the transaction information is not the transaction information sent by the transaction terminal, controlling the screen driving module to continuously send a first screen refreshing instruction so as to reduce the display content of the display screen; and when the appointed bytes in the second signal are verified and the transaction information sent by the transaction terminal is judged, controlling the screen driving module to send a second screen refreshing instruction after the successful transaction between the visual card and the transaction terminal is monitored and the transaction information sent by the transaction terminal is received.

On the basis of any one of the above embodiments, executing the second screen refresh command to display the transaction information on the display screen includes: determining the amount of information to be displayed to a user in the transaction information; and determining the display time and/or the display quality of the display screen according to the information quantity.

According to another aspect of the embodiments of the present application, there is provided a storage medium including a stored program, wherein when the program runs, a device on which the storage medium is located is controlled to execute the method of any of the above embodiments.

According to another aspect of embodiments of the present application, there is provided a computing device comprising a processor for executing a program, wherein the program executes to perform the method of any of the above embodiments.

In the embodiment of the application, the video card comprises a screen driving module and a display screen, and the method comprises the following steps: when the visual card is monitored to be identified by the transaction terminal, controlling a screen driving module to send a first screen refreshing instruction; executing a first screen refreshing instruction, and reducing the display content of a display screen; monitoring the transaction state of the visual card and the transaction terminal; controlling the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and receiving transaction information sent by the transaction terminal; and executing a second screen refreshing instruction to display the transaction information on the display screen. The technical effect that the actual transaction information and the display information of the visual card are completely consistent is achieved, and the technical problem that the visual card is inaccurate in display in the prior art is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a block diagram of a hardware structure of a computer terminal (or mobile device) for implementing a method for displaying information on a visual card according to an embodiment of the present application;

FIG. 2 is a flow chart of a method for displaying information on a visual card according to an embodiment of the present application;

FIG. 3 is a flow chart of yet another method for displaying visual card information according to an embodiment of the present application; and

fig. 4 is a schematic structural diagram of a visual card information display device according to an embodiment of the present application.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Example 1

There is also provided, in accordance with an embodiment of the present application, a method for visual card information display, including the steps illustrated in the flowchart of the figure as being executable by a computer system, such as a set of computer executable instructions, and wherein, although a logical ordering is shown in the flowchart, in some cases, the steps shown or described are executed in an order different than that shown.

The method provided by the first embodiment of the application can be executed in hardware equipment such as a visible IC card, a mobile terminal or a computer terminal, and the equipment only needs to have an NFC label function. FIG. 1 shows a diagram of a visual card implementation. As shown in fig. 1, the visual card may include a processor, a memory, an I/O interface, an NFC communication interface, a screen driver module, and a display screen, wherein the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA, a program stored in the memory for execution by the processor, and the processor, the memory, the screen driver module, and the NFC communication interface communicate with each other through the I/O interface. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the electronic device. For example, the computer terminal 10 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.

The processor may be a single, stand-alone processing module, or incorporated, in whole or in part, into any of the other elements in the vision card. The memory may be used to store software programs and modules of application software, such as program instructions/data storage devices corresponding to the method for displaying information on a visual card in the embodiments of the present application, and the processor executes various functional applications and data processing by running the software programs and modules stored in the memory, so as to implement the method for displaying information on a visual card. The memory may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory.

In an alternative, the display screen of the video card may be an electronic ink screen, or any one of the screens in the prior art, such as a color LCD screen, for low power consumption. The use of an electronic ink screen provides the added benefit of maintaining the display state of the screen without requiring a power-consuming refresh of the screen. At any time before the transaction, any information such as data information of the last transaction, user ID information, card ID information, etc. may be displayed on the display screen.

The application operates a visual card information display method as shown in fig. 2 in the above operating environment. Fig. 2 is a flowchart of a method for displaying information on a visual card according to an embodiment of the present application, and as shown in fig. 2, the method for displaying information on a visual card may include:

step S202: when the visual card is monitored to be identified by the transaction terminal, controlling a screen driving module to send a first screen refreshing instruction;

specifically, the visual card is powered on through the NFC interface by the functional equipment supporting NFC, so that the voltage of the visual card reaches a working threshold value. The monitoring that the visual card is recognized by the transaction terminal includes: in the process that the visual card approaches the transaction terminal, the transaction terminal powers on the visual card through the interface; judging whether the voltage in the visual card reaches a working threshold value; when the voltage reaches the operational threshold, the visual card is recognized by the transaction terminal.

Step S204: executing a first screen refreshing instruction, and reducing the display content of a display screen;

specifically, the display screen is an electronic ink screen, and before executing the first screen refresh instruction, transaction information of the last transaction, such as transaction time, transaction amount, account balance and the like, may be displayed on the screen. Due to the display characteristics of the electronic ink screen, the last display data can be displayed persistently until the next refresh. Thus, reducing the display content of the display screen may include canceling all or a portion of the display content of the last transaction content such that no or little transaction content is presented by the display screen.

Step S206: monitoring the transaction state of the visual card and the transaction terminal;

specifically, monitoring the transaction state of the visual card and the transaction terminal includes: and monitoring whether the transaction between the visual card and the transaction terminal is successful or not and monitoring whether the receipt of the transaction information is complete or not. At a first time when the transaction is successful or when the transaction fails, the transaction terminal sends a first signal to the visual card indicating whether the transaction was successful. And then, for online transaction, transmitting the transaction information transmitted to the transaction terminal by the server to the visual card, and for offline transaction, transmitting the transaction information locally generated by the transaction terminal to the visual card. Because the time difference exists between the completion of the transaction of the background server and the return of the balance, in order to ensure that the user completes the transaction before the balance is returned by using the visual IC card, the background server immediately returns a transaction completion signal to the visual IC card after the transaction is completed, and whether the balance is returned is judged by the user according to whether the balance information is correctly displayed on the visual IC card or not. The condition that the transaction of the user fails because the background simultaneously sends two information of transaction success and balance is ensured. The convenience and the feeling of using the balance display device when the user does not want to wait for balance display subjectively under partial scenes are guaranteed.

Step S208: controlling the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and receiving transaction information sent by the transaction terminal;

step S210: and executing a second screen refreshing instruction to display the transaction information on the display screen.

Optionally, executing the first screen refresh command, and reducing the display content of the display screen includes: and controlling the display screen to be in a black screen state or a white screen state.

Alternatively, step S204: when the visual card is monitored to be identified by the transaction terminal, the step of controlling the screen driving module to send out a first screen refreshing instruction comprises the following steps:

step S2041: when the visible card is monitored to be identified by a transaction terminal, transaction initiation information sent by the transaction terminal is received, wherein the transaction initiation information comprises a brightness indication of the environment where the transaction terminal is located;

step S2043: analyzing the brightness indication to judge whether the environment of the transaction terminal is bright or dark;

step S2045: when the environment of the transaction terminal is judged to be bright, a first screen refreshing instruction for controlling the display screen to be in a black screen state is sent out;

step S2047: and when the environment of the transaction terminal is judged to be dark, sending a first screen refreshing instruction for controlling the display screen to be in a white screen state.

Through the steps S2041 to S2047, the effect of controlling the display state of the screen of the visual card according to the ambient brightness of the transaction terminal can be achieved, so that the display of the screen of the visual card has environmental adaptability. The trading terminal is provided with an environment sensor which can detect the brightness of the physical environment where the trading terminal is located, and packages the information and sends the information to the visual card through the APUD instruction.

step S2042: when the visible card is monitored to be identified by a transaction terminal, transaction initiation information sent by the transaction terminal is received, wherein the transaction initiation information comprises an indication of a transaction type;

step S2044: analyzing the indication of the transaction type to judge whether the transaction type is a security verification or a financial transaction;

step S2046: when the transaction type is judged to be the safety verification, the screen driving module is controlled not to execute operation, namely, a first screen refreshing instruction is not sent, and because only the safety verification is needed and the specific transaction steps are not involved, the relevant information does not need to be displayed on the visual card, and the first screen refreshing instruction does not need to be sent correspondingly;

step S2048: and when the transaction type is judged to be financial transaction, controlling the screen driving module to send out a first screen refreshing instruction.

Through the above steps S2042 to S2048, the effect of controlling the display state of the screen of the visual card according to the transaction type executed by the transaction terminal at this time can be achieved, so that the display of the screen of the visual card is adapted to the transaction type, for example, for a transaction only with a security verification type, for example, when the user uses the visual card to perform identity authentication and access control, the display screen does not need to be refreshed and displayed, when financial transaction is performed and related transaction information needs to be displayed for the user, the screen is refreshed and displayed so as to be distinguished from the previous display content, and the user can conveniently confirm the current transaction progress according to the display state of the screen.

step S204 a: when the visible card is monitored to be identified by a transaction terminal, transaction initiation information sent by the transaction terminal is received, wherein the transaction initiation information comprises a safety indication of the environment where the transaction terminal is located;

step S204 b: analyzing the safety indication to judge whether the environment of the transaction terminal is safe or unsafe;

step S204 c: when the environment of the transaction terminal is judged to be safe, a first screen refreshing instruction for controlling a part of display screens to be in a black screen state or a white screen state is sent;

step S204 d: and when the environment of the transaction terminal is judged to be unsafe, sending a first screen refreshing instruction for controlling all display screens to be in a black screen state or a white screen state.

Through the above steps S204 a-S204 d, the effect of controlling the display state of the visual card screen according to the security of the environment where the transaction terminal is located can be achieved, so that the display of the visual card screen is adapted to the security level of the transaction environment, when the security of the transaction environment is confirmed, only part of the screen can be controlled to be completely black or completely white to prompt the user that the transaction is in progress, when the security of the transaction environment is confirmed, all the screen can be controlled to be completely black or completely white, and when the user is prompted to be in transaction, no content is displayed on the screen to protect the user information.

The safety of the transaction environment where the transaction terminal is located can be determined according to whether the transaction terminal is located in a public environment or a private environment, the transaction environment is determined to be safe when the transaction terminal is located in a relatively closed private environment, and the transaction environment is determined to be unsafe when the transaction terminal is located in an open public space.

The safety of the transaction environment of the transaction terminal can be determined according to the transaction times of the transaction terminal in the preset time period. And when the transaction times are larger than the threshold value, the transaction environment is determined to be unsafe, and when the transaction times are smaller than the threshold value, the transaction environment is determined to be safe.

The safety of the transaction environment of the transaction terminal can be determined according to the transaction failure times of the transaction terminal in the preset time period. And when the transaction failure times are larger than the threshold value, the transaction environment is determined to be unsafe, and when the transaction failure times are smaller than the threshold value, the transaction environment is determined to be safe.

Optionally, the monitoring the transaction state of the visual card and the transaction terminal includes:

receiving a first signal sent by a transaction terminal, wherein the transaction terminal is configured to return the first signal indicating whether the transaction is successful or not to a visual card immediately after the transaction is completed;

judging whether the transaction between the visual card and the transaction terminal is successful or not according to the first signal;

receiving a second signal sent by the transaction terminal, wherein the transaction terminal is configured to return the second signal containing the transaction information to the visual card after the transaction is successful;

and when the transaction between the visual card and the transaction terminal is judged to be successful according to the first signal, checking the designated byte in the second signal to judge whether the transaction information is the transaction information sent by the transaction terminal.

On the basis, the visual card information display method further comprises the following steps:

when the transaction success of the visual card and the transaction terminal is judged according to the first signal, controlling the screen driving module to send a third screen refreshing instruction so as to change the display content of the display screen;

when the transaction failure of the visual card and the transaction terminal is judged according to the first signal, controlling the screen driving module to continuously send out a first screen refreshing instruction so as to reduce the display content of the display screen;

when the appointed bytes in the second signal are verified to judge that the transaction information is not the transaction information sent by the transaction terminal, controlling the screen driving module to continuously send a first screen refreshing instruction so as to reduce the display content of the display screen;

and when the appointed bytes in the second signal are verified and the transaction information sent by the transaction terminal is judged, controlling the screen driving module to send a second screen refreshing instruction after the successful transaction between the visual card and the transaction terminal is monitored and the transaction information sent by the transaction terminal is received. Through the steps, at the first time when the transaction is successful or fails, the transaction terminal sends a first signal indicating whether the transaction is successful or not to the visual card, wherein the first signal can only use one-bit binary data to indicate whether the transaction is successful or not except for fixed bits, for example, 0 is used to indicate the transaction is failed, and 1 is used to indicate the transaction is successful. The data quantity required to be carried in the first signal is less, and the possibility that the first signal loses data in transmission is reduced. And sending a third screen refreshing instruction to change the display content when the transaction is judged to be successful according to the first signal. For example, when the display content is reduced according to the first screen refresh instruction, for example, the display screen is changed to the black screen state, the display content may be changed to the white screen state, and conversely, when the display screen is changed to the white screen state according to the first screen refresh instruction, the display content may be changed to the black screen state. Of course, the manner of changing the display content may be to display information such as characters, symbols, marks, etc. on the display screen to indicate that the transaction is successful, or to flash the screen to indicate that the transaction is successful. In summary, the present application does not limit the manner of changing the display content, as long as the change of the screen content is enough to remind the user that the transaction status is successful. Therefore, under the condition that the user does not want to wait for the transaction result for a long time, the user can know that the current transaction is successful only by changing the display content of the display screen through the third screen refreshing instruction, and at the moment, the visual card can be removed, so that the user experience is improved.

Subsequently, the transaction terminal sends the transaction information to the visual card through a second signal. For online transaction, the transaction information transmitted to the transaction terminal by the server side can be converted into a format and then transmitted to the visual card, and for offline transaction, the transaction information locally generated by the transaction terminal is read and transmitted to the visual card. And checking the designated byte in the second signal to judge whether the transaction information is the transaction information sent by the transaction terminal to the visual card, and when the second signal is received incompletely or the second signal is tampered, determining that the signal is not the transaction information sent by the transaction terminal to the visual card or determining that the transaction information is not received, so that the transaction information is not displayed on the visual card, and error display is avoided. The condition that the transaction of the user fails because the background simultaneously sends two information of transaction success and balance is ensured. And the convenience and the feeling of using the user when the user does not want to wait for displaying balance subjectively in a partial scene are guaranteed, when the designated byte in the second signal is checked, the data is judged to be complete and correct, the transaction information is considered to be successfully received, and then a second screen refreshing instruction is sent out, and the transaction information is displayed on the screen.

Optionally, executing the second screen refresh command to display the transaction information on the display screen includes:

determining the amount of information to be displayed to a user in the transaction information;

and determining the display time and/or the display quality of the display screen according to the information quantity.

The information amount to be displayed can be determined according to the data amount of the transaction information, and the information amount to be displayed can also be determined according to items required to be displayed and set by a user. When the amount of information is determined, the display time of the content may be determined based on the amount of information, for example, the display time may be set in a proportional relationship with the amount of information, that is, when the amount of information is large, the display time may be increased proportionally, and when the amount of information is small, the display time may be decreased proportionally. After the information amount is determined, the display quality of the content can be determined according to the information amount, for example, the display quality and the information amount are set to be in an inverse proportional relation, namely when the information amount is large, the content can be displayed according to the reduced pixel units due to the limited display space of the screen, so that the content can be completely displayed. When the amount of information is small, the content can be displayed in larger pixel units for easy viewing by the user.

Optionally, when the transaction initiation information includes a brightness indication of an environment where the transaction terminal is located, executing a second screen refresh instruction, and displaying the transaction information on the display screen includes:

determining the ambient brightness of the transaction terminal;

and determining the display time and/or the display quality of the display screen according to the ambient brightness.

For example, the display time may be set to be inversely proportional to the ambient brightness value, i.e., when the ambient brightness value is high, the display time may be reduced proportionally. When the ambient brightness value is low, the display time may be scaled up. It is also possible to set the display quality to be inversely proportional to the ambient brightness value, that is, when the ambient brightness value is higher, the content can be displayed according to the reduced pixel units, so as to avoid being peeped by the content when the content is displayed. When the ambient brightness value is low, the content can be displayed in larger pixel units for the user to view.

Optionally, when the transaction initiation information includes a security indication of a transaction environment in which the transaction terminal is located, executing a second screen refresh instruction, and displaying the transaction information on the display screen includes:

determining whether a transaction environment in which the transaction terminal is located is safe;

and determining the display time and/or the display quality of the display screen according to whether the transaction environment is safe.

For example, the display time may be set in direct proportion to the transaction environment security, i.e., the display time may be increased proportionally when the transaction environment security is high. When the transaction environment security is low, the display time may be reduced proportionally. The display quality and the safety of the transaction environment can be set to be in a direct proportional relation, namely when the safety of the transaction environment is high, the content can be displayed according to a larger pixel unit so as to be convenient for a user to check. When the transaction environment security is low, the content may be displayed in reduced pixel units to avoid being peeped by the content when the content is displayed.

FIG. 3 is a flow chart of another method for displaying information on a visual card according to an embodiment of the present application; as shown in fig. 3, the method flow includes:

1. the visual card near-field contact supports NFC function payment machines.

2. And the visual card is electrified through the NFC interface by the NFC function supporting machine, and the voltage reaches the working threshold value.

3. The machine tool supporting the NFC function sends an APDU instruction to the application in the visual card, the application in the visual card calls the screen driving chip to brush black or white on the screen, and the screen keeps a black or white state.

4. The tool supporting the NFC function requests the server interface to initiate a transaction.

5. The visible card is removed while the transaction is waiting, and the screen remains in a black screen or white screen state.

6. The transaction fails and the screen remains in a black or white state.

7. And after the transaction is successful, the server side returns the consumption amount and the account balance, the NFC function supporting machine and tool sends an APDU command to the application in the visual card, and the application in the visual card verifies the MAC Data of the last four bytes of the Data.

And 8, the MAC check fails, and the screen keeps a black screen state or a white screen state.

9. And if the verification is successful, the application in the visual card calls a screen driving chip to display the consumption amount and the account balance.

10. When the screen is a black screen or a white screen, the application in the visual card calls the screen driving chip to display the latest consumption amount and the account balance through transaction or inquiry again.

In the scheme, when the visual IC card is close to the transaction terminal, whether the transaction occurs or not, the screen of the visual IC card is refreshed to be in a full black or full white state firstly for prompting the user that the transaction is in progress, the balance is displayed when the balance returns normally, and if the balance does not return normally, the screen is in the full black or full white state. The method is used for prompting the user that the balance is abnormally returned, avoiding the problem of inconsistent display balance and actual balance and avoiding disputes.

Meanwhile, the transaction time of the visual IC card can be saved, particularly, the visual IC card using the electronic ink paper display screen needs to be refreshed in the display process to normally display, and the total time for transaction and balance information display can be shortened by refreshing the screen in advance.

Because the time difference exists between the completion of the transaction of the background server and the return of the balance, in order to ensure that the user completes the transaction before the balance is returned by using the visual IC card, the background server immediately returns a transaction completion signal to the visual IC card after the transaction is completed, and whether the balance is returned is judged by the user according to whether the balance information is correctly displayed on the visual IC card or not. The condition that the transaction of the user fails because the background simultaneously sends two information of transaction success and balance is ensured. The convenience and the feeling of using the balance display device when the user does not want to wait for balance display subjectively under partial scenes are guaranteed.

It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.

Through the above description of the embodiments, those skilled in the art can clearly understand that the method for displaying information on a visual card according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method of the embodiments of the present application.

Example 2

According to the embodiment of the application, the visual card information display device for implementing the visual card information display method is further provided, and the device is implemented in a software or hardware mode.

FIG. 4 is a schematic structural diagram of a visual card information display device according to an embodiment of the present application; as shown in fig. 4, the apparatus includes: a first control unit 4002, a first display unit 4004, a monitoring unit 4006, a second control unit 4008, and a second display unit 4010, wherein:

the first control unit 4002 is used for controlling the screen driving module to send a first screen refreshing instruction when the visible card is monitored to be identified by the transaction terminal;

the first display unit 4004 is configured to execute a first screen refresh instruction to reduce display content of a display screen;

the monitoring unit 4006 is used for monitoring the transaction state of the visual card and the transaction terminal;

the second control unit 4006 is configured to control the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and receiving transaction information sent by the transaction terminal;

and the second display unit 4010 is configured to execute the second screen refresh command, and display the transaction information on the display screen.

Here, it should be noted that the first control unit 4002, the first display unit 4004, the monitoring unit 4006, the second control unit 4008, and the second display unit 4010 correspond to steps S202 to S210 in embodiment 1, and the five modules are the same as the corresponding steps in the implementation example and the application scenario, but are not limited to the disclosure in embodiment 1.

Alternatively, the first display unit 4004 is configured to control the display screen to be in a black screen state or a white screen state.

Optionally, the first display unit 4004 is configured to:

when the visible card is monitored to be identified by a transaction terminal, transaction initiation information sent by the transaction terminal is received, wherein the transaction initiation information comprises a brightness indication of the environment where the transaction terminal is located;

analyzing the brightness indication to judge whether the environment of the transaction terminal is bright or dark;

when the environment of the transaction terminal is judged to be bright, a first screen refreshing instruction for controlling the display screen to be in a black screen state is sent out;

and when the environment of the transaction terminal is judged to be dark, sending a first screen refreshing instruction for controlling the display screen to be in a white screen state.

Through the scheme, the effect of controlling the display state of the screen of the visual card according to the ambient brightness of the transaction terminal can be realized, so that the display of the screen of the visual card has environmental adaptability. The trading terminal is provided with an environment sensor which can detect the brightness of the physical environment where the trading terminal is located, and packages the information and sends the information to the visual card through the APUD instruction.

Optionally, the first display unit 4004 is configured to:

when the visible card is monitored to be identified by a transaction terminal, transaction initiation information sent by the transaction terminal is received, wherein the transaction initiation information comprises an indication of a transaction type;

analyzing the indication of the transaction type to judge whether the transaction type is a security verification or a financial transaction;

when the transaction type is judged to be the safety verification, controlling the screen driving module not to execute operation;

when the transaction type is judged to be financial transaction, the screen driving module is controlled to send out a first screen refreshing instruction

Through the scheme, the effect of controlling the display state of the screen of the visual card according to the transaction type executed by the transaction terminal at this time can be realized, so that the display of the screen of the visual card is adapted to the transaction type, for example, for the transaction only in a security verification type, for example, when the visual card is used for identity authentication and access control, refreshing and displaying the screen are not needed, when financial transaction is carried out and relevant transaction information needs to be displayed for a user, the screen is refreshed and displayed so as to be distinguished from the previous display content, and the user can conveniently confirm the current transaction progress according to the display state of the screen.

Optionally, the first display unit 4004 is configured to:

when the visible card is monitored to be identified by a transaction terminal, transaction initiation information sent by the transaction terminal is received, wherein the transaction initiation information comprises a safety indication of the environment where the transaction terminal is located;

analyzing the safety indication to judge whether the environment of the transaction terminal is safe or unsafe;

when the environment of the transaction terminal is judged to be safe, a first screen refreshing instruction for controlling a part of display screens to be in a black screen state or a white screen state is sent;

and when the environment of the transaction terminal is judged to be unsafe, sending a first screen refreshing instruction for controlling all display screens to be in a black screen state or a white screen state.

Through the scheme, the effect of controlling the display state of the screen of the visual card according to the environmental security of the transaction terminal can be realized, the display of the screen of the visual card is matched with the security level of the transaction environment, when the security of the transaction environment is confirmed, only partial screen can be controlled to be completely black or completely white to prompt a user that the transaction is in progress, when the security of the transaction environment is confirmed, all screens are controlled to be completely black or completely white, and when the user is prompted to be in transaction, any content is not displayed on the screen, so that the user information is protected.

Optionally, the monitoring unit 4006 is further configured to: the monitoring of the transaction state of the visual card and the transaction terminal comprises the following steps: receiving a first signal sent by a transaction terminal, wherein the transaction terminal is configured to return the first signal indicating whether the transaction is successful or not to a visual card immediately after the transaction is completed; judging whether the transaction between the visual card and the transaction terminal is successful or not according to the first signal; receiving a second signal sent by the transaction terminal, wherein the transaction terminal is configured to return the second signal containing the transaction information to the visual card after the transaction is successful; and when the transaction between the visual card and the transaction terminal is judged to be successful according to the first signal, checking the designated byte in the second signal to judge whether the transaction information is the transaction information sent by the transaction terminal.

The device also includes: the third control unit is used for controlling the screen driving module to send out a third screen refreshing instruction so as to change the display content of the display screen when the transaction between the visual card and the transaction terminal is judged to be successful according to the first signal;

the first control unit is configured to control the screen driving module to continuously send out a first screen refreshing instruction to reduce the display content of the display screen when the transaction failure of the visual card and the transaction terminal is judged according to the first signal; when the appointed bytes in the second signal are verified to judge that the transaction information is not the transaction information sent by the transaction terminal, controlling the screen driving module to continuously send a first screen refreshing instruction so as to reduce the display content of the display screen;

the second control unit is configured to control the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and the transaction information sent by the transaction terminal is received when the designated byte in the second signal is verified to judge that the designated byte is the transaction information sent by the transaction terminal.

Through the steps, at the first time when the transaction is successful or fails, the transaction terminal sends a first signal indicating whether the transaction is successful or not to the visual card, wherein the first signal can only use one-bit binary data to indicate whether the transaction is successful or not except for fixed bits, for example, 0 is used to indicate the transaction is failed, and 1 is used to indicate the transaction is successful. The data quantity required to be carried in the first signal is less, and the possibility that the first signal loses data in transmission is reduced. And sending a third screen refreshing instruction to change the display content when the transaction is judged to be successful according to the first signal. For example, when the display content is reduced according to the first screen refresh instruction, for example, the display screen is changed to the black screen state, the display content may be changed to the white screen state, and conversely, when the display screen is changed to the white screen state according to the first screen refresh instruction, the display content may be changed to the black screen state. Of course, the manner of changing the display content may be to display information such as characters, symbols, marks, etc. on the display screen to indicate that the transaction is successful, or to flash the screen to indicate that the transaction is successful. In summary, the present application does not limit the manner of changing the display content, as long as the change of the screen content is enough to remind the user that the transaction status is successful. Therefore, under the condition that the user does not want to wait for the transaction result for a long time, the user can know that the current transaction is successful only by changing the display content of the display screen through the third screen refreshing instruction, and at the moment, the visual card can be removed, so that the user experience is improved.

determining the ambient brightness of the transaction terminal;

and determining the display time and/or the display quality of the display screen according to whether the machining-plus-one environment is safe.

Example 3

Embodiments of the present application may provide a computing device, which may be any one of computer terminal devices in a computer terminal group. Optionally, in this embodiment, the computing device may also be replaced with a terminal device such as a mobile terminal.

Optionally, in this embodiment, the computing device may be located in at least one network device of a plurality of network devices of a computer network.

Optionally, in this embodiment, the above-mentioned computing device includes one or more processors, a memory, and a transmission device. The memory may be used to store software programs and modules, such as program instructions/modules corresponding to the method and apparatus for displaying information on a video card in the embodiments of the present application. The processor executes various functional applications and data processing by running software programs and modules stored in the memory, so that the visual card information display method is realized.

Alternatively, the memory may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory may further include memory located remotely from the processor, which may be connected to the computing device 120 over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

In this embodiment, when the processor in the above-mentioned computing device runs the stored program code, the following method steps may be executed: when the visual card is monitored to be identified by the transaction terminal, controlling a screen driving module to send a first screen refreshing instruction; executing a first screen refreshing instruction, and reducing the display content of a display screen; monitoring the transaction state of the visual card and the transaction terminal; controlling the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and receiving transaction information sent by the transaction terminal; and executing a second screen refreshing instruction to display the transaction information on the display screen.

Further, in this embodiment, when the processor in the computing device runs the stored program code, any method step listed in embodiment 1 may be executed, which is not described in detail herein for reasons of brevity.

Example 4

Embodiments of the present application also provide a storage medium. Optionally, in this embodiment, the storage medium may be configured to store a program code executed by the visual card information display method.

Optionally, in this embodiment, the storage medium may be located in any one of computer terminals in a computer terminal group in a computer network, or in any one of mobile terminals in a mobile terminal group.

Optionally, in this embodiment, the storage medium is configured to store program code for performing the following steps: when the visual card is monitored to be identified by the transaction terminal, controlling a screen driving module to send a first screen refreshing instruction; executing a first screen refreshing instruction, and reducing the display content of a display screen; monitoring the transaction state of the visual card and the transaction terminal; controlling the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and receiving transaction information sent by the transaction terminal; and executing a second screen refreshing instruction to display the transaction information on the display screen.

Further, in this embodiment, the storage medium is configured to store the program code for executing any one of the method steps listed in embodiment 1, which is not described in detail herein for brevity.

The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.

In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a division of a logic function, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.

Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.

The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A method for displaying information of a visual card is characterized in that the visual card comprises a screen driving module and a display screen, and the method comprises the following steps:

when the visual card is monitored to be identified by a transaction terminal, controlling the screen driving module to send a first screen refreshing instruction;

executing the first screen refreshing instruction, and reducing the display content of the display screen;

monitoring the transaction state of the visual card and a transaction terminal;

after the fact that the transaction between the visual card and the transaction terminal is successful and the transaction information sent by the transaction terminal is monitored, controlling the screen driving module to send a second screen refreshing instruction;

and executing the second screen refreshing instruction to display the transaction information on the display screen.

2. The method of claim 1, wherein executing the first screen refresh command to reduce the display content of the display screen comprises: and controlling the display screen to be in a black screen state or a white screen state.

3. The method of claim 2, wherein controlling the screen driver module to issue a first screen refresh command upon detecting that the visual card is recognized by the transaction terminal comprises:

when the environment of the transaction terminal is judged to be bright, a first screen refreshing instruction for controlling a display screen to be in a black screen state is sent out;

4. The method of claim 2, wherein controlling the screen driver module to issue a first screen refresh command upon detecting that the visual card is recognized by the transaction terminal comprises:

and when the transaction type is judged to be financial transaction, controlling the screen driving module to send the first screen refreshing instruction.

5. The method of claim 1, wherein monitoring that the visual card is recognized by the transaction terminal comprises:

in the process that the visual card approaches the transaction terminal, the transaction terminal powers on the visual card through an interface;

judging whether the voltage in the visual card reaches a working threshold value;

when the voltage reaches an operational threshold, the visual card is identified by the transaction terminal.

6. The method of claim 1, wherein monitoring the transaction status of the visual card with a transaction terminal comprises: receiving a first signal sent by the transaction terminal, wherein the transaction terminal is configured to return a first signal indicating whether the transaction is successful or not to the visual card immediately after the transaction is completed; judging whether the transaction between the visual card and the transaction terminal is successful or not according to the first signal; receiving a second signal sent by the transaction terminal, wherein the transaction terminal is configured to return the second signal containing transaction information to the visual card after the transaction is successful; when the transaction between the visual card and the transaction terminal is judged to be successful according to the first signal, checking the designated byte in the second signal to judge whether the transaction information is sent by the transaction terminal; the method further comprises the following steps:

when the transaction between the visual card and the transaction terminal is judged to be successful according to the first signal, controlling the screen driving module to send a third screen refreshing instruction so as to change the display content of the display screen;

when the transaction between the visual card and the transaction terminal is judged to be failed according to the first signal, controlling the screen driving module to continuously send the first screen refreshing instruction so as to reduce the display content of the display screen;

when the designated byte in the second signal is checked to judge that the transaction information is not the transaction information sent by the transaction terminal, controlling the screen driving module to continuously send the first screen refreshing instruction so as to reduce the display content of the display screen;

and when the appointed bytes in the second signal are verified to judge that the appointed bytes are the transaction information sent by the transaction terminal, executing the step of controlling the screen driving module to send a second screen refreshing instruction after the visual card is successfully transacted with the transaction terminal and the transaction information sent by the transaction terminal is monitored.

7. The method of claim 1, wherein executing the second screen refresh instruction to display the transaction information on the display screen comprises:

determining the amount of information required to be displayed to a user in the transaction information;

8. A kind of visual card information display device, characterized by that, include screen driver module and display screen in the said visual card, the apparatus includes:

the first control unit is used for controlling the screen driving module to send out a first screen refreshing instruction when the visual card is monitored to be identified by the trading terminal;

the first display unit is used for executing the first screen refreshing instruction and reducing the display content of the display screen;

the monitoring unit is used for monitoring the transaction state of the visual card and the transaction terminal;

the second control unit is used for controlling the screen driving module to send a second screen refreshing instruction after monitoring that the transaction between the visual card and the transaction terminal is successful and receiving transaction information sent by the transaction terminal;

and the second display unit is used for executing the second screen refreshing instruction and displaying the transaction information on the display screen.

9. A storage medium, characterized in that the storage medium comprises a stored program, wherein the device on which the storage medium is located is controlled to perform the method according to any of claims 1-7 when the program is run.

10. A computing device comprising a processor, wherein the processor is configured to execute a program, wherein the program when executed performs the method of any of claims 1-7.