KR20090050582A - Chip card - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chip card having a flash memory for providing digital content, comprising: at least two semiconductor chips spaced apart from each other by a predetermined distance on a standard sized substrate, wherein at least two of the at least two semiconductor chips are provided. One semiconductor chip includes a storage unit for storing digital contents such as video, audio, and video, and the at least one semiconductor chip in electrical contact between the at least one semiconductor chip and an external housing accommodating the standard size substrate. And the digital content stored in the is reproduced on the display panel on the external housing. Therefore, by using a chip card of standard size as a storage medium, financial information can be immediately selected and provided through external housing by contact with an external housing, and digital contents such as video, audio, and UCC video can be easily used. have.

Card, IC chip, secure storage area, free storage area, external housing

Description

Chip card with flash memory providing digital content {CHIP CARD}

The present invention relates to a chip card for providing digital contents. More particularly, the present invention relates to an integrated circuit (IC) for providing a flash memory to secure a digital content storage area on a substrate having a standard size of a wallet size. It relates to a card having a chip.

Cards generally include cash cards, debit cards, prepaid cards, check cards, and the like. In general, MS type cards for recording cardholder-specific data on magnetic strips (areas) are generally used.

However, the MS type card has a tendency to be replaced by an IC chip card in recent years because of the small amount of information to be stored and, above all, a weak security structure.

IC chip card is a semiconductor chip equipped with IC memory and a central processing unit. The IC chip card communicates with the external interface terminal by contacting the surface of the chip card electrically or in a non-contact manner, and compared with the conventional MS (Magnetic Stripe) card. It has a large capacity and has a security function such as cryptographic processing and authentication of a connection object, a management function of data and information, etc. through a computation function through a CPU.

However, these IC chip cards can undermine the IC chip specifications according to international standards, despite the large memory capacity, arithmetic functions, and high level of security management functions compared to the existing MS cards. It is being used in financial transactions or in applications such as transportation cards because of concerns.

In addition, the IC chip card's standard IC chip is programmed to be read only by a limited card reader for security reasons, and the available storage capacity is about 32KB, which is limited for mounting various applications.

In addition, for telebanking or internet banking, the certificate, electronic signature, electronic certificate, code table, and one-time password must be stored in a computer hardware or USB that anyone can access or possess separately. have.

In addition, financial transaction history, card payment history, other vehicle maintenance history, coupons, revolving history, etc. can be received as data through mobile communication terminals, but most of these are one-time and are mostly deleted after confirmation of storage capacity management. Even if the card is stored, it is limited to select and use necessary data when using the card, and it is not possible to immediately check the necessary information when using the card, total amount of use of the month, whether to exceed the limit, event events for each card, discount merchants, etc. The card cannot be used.

In addition, although various application services are provided by various IC chip card application service organizations, a separate card must be provided in order to use them.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to flash a variety of applications that can be used through a universal reader without compromising the financial chip according to the international standard mounted in the card without leaking personal information It is to provide a chip card having a memory.

In addition, an object of the present invention is to provide an IC chip card that can use digital content such as audio, video, video such as UCC by securing a variety of application storage area physically isolated from the financial chip according to international standards in the IC chip card will be.

In addition, it is an object of the present invention to provide a chip card having a flash memory that can be used to immediately select the card-related requirements necessary for using the card at the card use site.

A chip card having a flash memory for providing digital content according to an embodiment of the present invention includes at least two or more semiconductor chips that are spaced apart from each other by a predetermined distance on a substrate of a standard size, wherein the at least two or more semiconductor chips are provided. At least one of the semiconductor chip comprises a storage unit for storing digital content, such as video, audio, video, the at least one of the at least one semiconductor chip in electrical contact with the outer housing for storing the standard size of the substrate The digital content stored in the semiconductor chip is reproduced on the display panel on the external housing.

The memory area of the at least one chip includes a secure storage area for storing or reproducing information only when a specific key is input through a key input unit of the adapter, a free storage area for freely storing or reproducing information for an external device; And a format storage area for recording format information for interfacing with the AMOLED display.

Therefore, according to one embodiment of the present invention, it is possible to store applications of various IC chip cards using a card according to international standards, and music files. Various digital contents such as video and UCC can be used.

In addition, according to an embodiment of the present invention, by using the high-level security of the card according to the international standard, you can use the paid digital content stored in the flash memory, the card-related essential information, for example, the limit, the total amount of use of the month, the event Event history, discount merchants, discount coupons, etc. can be used immediately at the card usage site to manage card usage.

In addition, according to an embodiment of the present invention, by storing the personal information associated with the use of the card, such as a code table or one-time password in a secure state, it can be assured security, using the card if necessary even if not separately stored or possessed Available immediately.

Hereinafter, a chip card having a flash memory for providing digital content according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the elements of each drawing, it should be noted that the same elements are denoted by the same reference numerals as much as possible even if they are shown in different drawings.

In addition, in the following description, in order to explain the embodiments of the present invention, specific details such as specific elements are illustrated, which are provided to help a more general understanding of the present invention, and the present invention may be practiced without these specific details. It will be apparent to those skilled in the art.

In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1A, 1B, and 1C are a front view, a back view, and a side view of a card in which two IC chips are disposed on a substrate of a standard size according to an embodiment of the present invention, and FIG. 2 is one of the present invention. 3 is a schematic diagram illustrating a process of displaying content in an external housing using a card according to an embodiment, FIG. 3 illustrates a plurality of storage areas of a card according to an embodiment of the present invention, and FIG. An open platform used for a card according to one embodiment is shown.

1A, 1B, and 1C, a card 1 according to an embodiment of the present invention is a purse size using an insulating substrate 10, for example, plastics, having a bending property of about 1.5 mm or less. Corresponding to about 85.6 x 54.0mm and thickness of about 0.8mm is molded or mechanically manufactured to the standard size.

As described above, the size of the card 1 according to the exemplary embodiment of the present invention is determined by international standards, and the substrate 10 of the card 1 includes at least two semiconductor chips 20 and 22.

At least one of them is in accordance with an international standard of about 12.5 X 18 mm in size, and the other has a flash memory capable of storing a wider variety of applications (or data) and writing and erasing digital content in a predetermined format.

Since the at least one semiconductor chip 22 is a flash memory, there is no need to use power to maintain information in the chip, and thus power is not required to record and reproduce data.

The at least two semiconductor chips 20 and 22 are approximately 40 mm so as to form grooves in the thickness direction of the substrate 10, to be disposed therein, and to be completely physically isolated as shown in FIG. 1C. In addition to being spaced apart and completely insulated between them, the at least one chip 20 is programmed so that it can only be read by a specific reader, so that it is configured so as not to interfere with each other when operated separately.

The at least two semiconductor chips 20 and 22 may be used in a transition to the IC chip card by providing a barcode 36 and an MS strip 40 on the back side of the substrate 10.

At this time, the credit card information stored in the barcode 36 and the MS strip 40 is placed in a position on the front surface so as not to be affected by electromagnetic. That is, the semiconductor chips 20 and 22 are disposed about 24 mm above the bottom surface of the substrate 10.

Therefore, the at least one semiconductor chip 22 preferably has an area of about 1 to 1.3 times larger than the size of the at least one other chip 20.

In addition, the at least one semiconductor chip (20, 22) is configured so that the bottom surface is covered by at least 0.15mm by the base material 10 is less affected by external electromagnetic and the chip is bent even if the card is bent or Can be maintained.

As shown in FIG. 2, the card 1 configured as described above, when inserted into the outer housing 100 having a slim shape corresponding to the size of the card 1, the at least one chip 20. ) Is electrically contacted with the connection unit 101 to record and play digital content such as video, audio, video, or UCC through the display panel 103 of the external housing 100.

The card 1 may be input and taken out through the inlet 102 to the outer housing 100. The inlet 102 may be in the form of a slot, or may be in the form of a door that can open and close the outer housing 100.

One side of the outer housing 100 has the connection portion 101 formed at a position corresponding to a destination when the card 1 proceeds along the insertion direction of the card 1 and the at least one chip 20. Interference can be prevented.

Referring to FIG. 2, when a connection portion 101 of the external housing 100 and at least one chip 22 of the card 1 are connected, and a command is input through the key input unit 110, a command word may be input. Accordingly, the controller 120 stores an application (or data) and contents in the storage area of the second IC chip 22, or reproduces the contents stored in the second IC chip 22 through the playback unit 130 and outputs the video through the output unit 150. It can provide digital contents such as audio, video, and UCC.

Meanwhile, the external housing 100 may further include a communication module 160 to perform short-range communication with at least one chip 20 or the content providing server 200 of the card 1 in a non-contact manner.

The short range communication method may provide an infrared data communication interface, a Bluetooth communication interface, a Wi-Fi communication interface, a WLAN communication interface, and an RF communication interface.

That is, the at least one chip 20 may interface with the at least one other chip 22 through the external housing 100.

As shown in FIG. 3, the flash memory 50 included in the at least one chip 22 may include a format information area in which an external housing 100 records format information for recognizing an application, data, and content. (51) and playback only when the identity of a particular person has been identified or restrictions have been met, such as an accredited certificate, digital signature, code table, password, card-related essential information, such as limit amounts, event details, coupons, etc. Secure storage area 52 for storing the encrypted data possible, and free storage area 53 capable of storing and reproducing data through a general-purpose portable terminal such as a general computer, PMP, MP3, and the like.

The secure storage area 52 is inserted into or placed in the external housing 100 so that the connection portion 101 of the external housing 100 and the second chip 22 are electrically connected to each other. The financial history information unit 52a controls the reproduction / deletion of the data through the encryption / decryption module 140 and the reproduction / deletion through the reproduction unit 120 according to the information input by the button selection by the key input unit 110. , Card number, public certificate, electronic certificate, password, code table, security document (52b), card history information (52c) for storing the card use, overdue, etc. by date, place, amount, and coupons, revolving, and It may further include a content unit 52d for providing the paid content information.

Since the at least one chip 22 further includes a data location information unit 54 to determine the location of the data in advance, the at least one chip 22 processes the data more quickly through the control unit 120 by the selection of the input unit 110. The signal may be reproduced through the reproduction unit 130 and displayed through the output unit 150.

The output unit 150 may use an LCD panel or an AMOLED panel that can provide constant illumination even without a backlight.

At least one chip 20 of the financial card 1 is an affiliate store using a communication protocol such as an APDU (Application Protocol Data Unit) defined according to a smart card standard such as ISO / IEC 7816 and / or ISO / IEC 14443. By communicating with the terminal, an application (or data) mounted on the integrated circuit chip (ICC) can be executed.

At least one other chip 22 of the card 1 is a Java card, MULTOS (Multi-) that supports processing such as loading and deleting various applications (or data) according to the present invention after issuing the card. It may be configured to include an open platform such as an application operating system (SCFW), a smart card for Windows (SCFW), a SmartTEC OS.

The at least one chip 20 may further include credit card information, debit card information, financial community network information, electronic money information, certificate information, and the like.

In addition, the at least one other chip 22 of the card 1 may include an interface for performing a data transaction with an affiliated interface device (IFD) in addition to the external housing 100. Data communication interface, Bluetooth communication interface, WiFi communication interface, WLAN communication interface, RF communication interface, etc.)

According to a preferred embodiment of the present invention, when the at least one chip 22 is electrically connected through the external housing 100 and the connection portion 101, credit card information (eg, credit) is transmitted to the server 200. By providing card number information, chip serial number information, etc.), when the server 200 provides an application (or data) in response to a client's request, the server 200 may make a payment through the card.

Therefore, according to the present invention, the card 1 may connect two IC chips to use a paid application (or data) without charging a separate point or using a separate payment system.

In addition, if the password value is input through the key input unit 110 of the external housing 100 and the data of the secure storage area 52 is selected through the key input unit 110, the card-related requirements can be promptly performed in the field. The card usage can be managed by reading and using it.

In this case, the at least one chip 20 includes at least one credit card transaction history storage information dedicated file (DF) or the like including at least one credit card transaction history related information element file (EF), In the secure storage area 20 of the at least one other chip 22, data which has been processed from among the data stored in the storage information dedicated file may be stored to reduce the storage capacity.

4 illustrates an open platform of a card according to an embodiment of the present invention. FIG. 4 is a generalized feature of each open smart card platform structure such as different Java cards, MULTOS, SCFW, etc. The actual structure and configuration name of each open smart card platform may be slightly different.

In general, however, open card platforms are equipped with a card operating system, COS, on top of the hardware consisting of silicon chips, and a virtual machine and a card manager on top of them. It shows that the card application (Smart Card Application; SCApp) is built on the structure.

As described above, the IC chip mounted on the open platform may include a central processing unit, a read only memory (ROM), a random access memory (RAM), and an electrically erasable and programmable read only memory (EEPROM), a flash memory, or the like. And optionally includes a coprocessor for cryptographic operations such as Elliptic Curve Crypto system (ECC) and / or Rivest-Shamir-Adleman (RSA), and encryption and decryption operations such as 3DES and SEED, which are decrypted when trading with VAN. In addition, the hardware of the card platform is shown having a chip on board (COB) (plate consisting of eight contacts) and / or RF (Radio Frequency) antenna to provide a communication connection with the smart terminal through the CAD.

By such a configuration, the external housing 100 extracts credit card transaction details data to be used from an integrated circuit chip (ICC) from the at least one chip 20 and stores the data in the at least one other chip 22. Play digital content.

In addition, although the present embodiment has described credit card transaction details, it is noted that various embodiments may be further presented without departing from the spirit of the present invention (eg, hospital prescription, parking ticket, co-purchase information, or the like). Information data such as product recommendation information)

In addition, according to an embodiment of the present invention, the public certificate and other electronic certificates can be safely stored by applying a security module, and even if a separate storage medium is used, it is possible to carry out work efficiently if necessary.

1A, 1B, and 1C are a front view, a back view, and a side view of a card in which two IC chips are disposed on a standard sized substrate according to one embodiment of the present invention;

2 is a schematic diagram for explaining a process of displaying content in an external housing using a card according to an embodiment of the present invention;

3 illustrates a plurality of storage areas of a card according to an embodiment of the present invention,

4 illustrates an open platform used for a card according to an embodiment of the present invention.

Claims (9)

At least two semiconductor chips spaced apart from each other by a predetermined distance on a standard-size substrate, wherein at least one semiconductor chip of the at least two semiconductor chips stores digital content such as video, audio, and video. And digital contents stored in the at least one semiconductor chip upon electrical contact between the at least one semiconductor chip and an outer housing accommodating the standard size substrate, on the display panel on the outer housing. Chip card. The method of claim 1, A chip card, wherein one of the at least two semiconductor chips is a financial chip. The method according to claim 1 or 2, Another memory of the at least two semiconductor chips may include a secure storage area secured to store and play digital content only when a specific key is input from the external housing, a free storage area for freely storing and playing digital content; And a format information area for recording format information for interfacing with the external housing. The method of claim 3, wherein And the external housing stores digital content in the at least one other semiconductor chip when the at least one semiconductor chip provides information to the external housing. The method of claim 4, wherein When the external housing transmits card information from the at least one chip, and the web server approves the purchase of the transaction, another web server pays for the video, UCC, video, audio, etc. in the free storage area of the at least one other chip. Chip card to transfer content. The method of claim 4, wherein And said at least one chip has an area within about 1 to 1.3 times that of at least one other chip and is exposed to the substrate surface of said standard size. The method of claim 4, wherein And a secure storage area of the at least one semiconductor chip for reproducing data when a predetermined key is input from the external housing. The method of claim 5, wherein The secure storage area of the at least one semiconductor chip includes a financial transaction history unit for storing monthly financial transaction details; Security document section for storing the public certificate, electronic certificate, code table, etc., The chip card further comprises a card history unit that provides information on card usage, such as total amount, limit, event information, coupons, discount events, and the like, and content contents that provide paid content information. The method of claim 8, The at least one semiconductor chip further comprises a data location information unit for interworking with the external housing to determine the location of the data in advance.

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