JP2002279375A - Mobile terminal with display - Google Patents

Abstract

(57) [Summary] [Problem] The display section shows the company information of banks and card issuers,
For example, a contact type IC card provided with a display unit by displaying advertisement information, or a non-contact type I card
Absorb increased card manufacturing costs for C cards. To achieve the above object, an information recording section for recording transaction information, a display section for displaying the transaction information, a power supply for a display section, or a circuit for temporarily storing power. A mobile terminal with a display unit, wherein the display unit displays, in addition to the transaction information, company information of a business operator involved in the transaction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an IC card in which an IC module is mounted in a base and has a display section. For displaying an IC card.

[0002]

2. Description of the Related Art In recent years, portable terminals that record information have been used in a wide range of fields. For example, it is a card having a magnetic recording layer formed on a credit card or a cash card. Further, in recent years, an IC card having a much higher storage capacity than a magnetic card and having high security is about to be replaced with a magnetic card. This IC card includes a contact type IC card that connects to an external device through a contact, and a non-contact type IC card that incorporates an antenna and communicates information with an external device without interposing a contact. It is used properly according to. In the case of a non-contact type IC card in which information can be rewritten wirelessly, it is not necessary to insert a card into an external device when rewriting information, so that the time required for processing is short. Also, because there is no connection, there is no problem of poor connection of the card to the external device,
A highly reliable system can be constructed. The non-contact type IC card has an antenna section for receiving a radio wave inside the card, and not only information but also electric power necessary for driving the IC circuit is supplied by this electromagnetic wave.

The external device accesses the contents recorded in the information recording section in the IC card by radio, reads out necessary data, and writes new data. Further, the result of the transaction is printed by a printer mounted on an external device and provided to the user. Also,
The operation procedure and the advertisement information of the company are also provided to the user on a display unit such as a display provided on the external device. In order to know the contents recorded on the card, it is necessary to connect to the external device as described above, and it is usual that the contents recorded on the card alone cannot be known.

On the other hand, a card capable of repeatedly displaying recorded contents by forming a thermosensitive coloring type material on an IC card has been developed and used for a prepaid card and a point card. Since the IC card is used repeatedly, the display material must be rewritten the number of times. In response to the above demands, reversible thermosensitive recording materials such as phase-change recording materials that can be printed and erased by heat, polymer liquid crystals, polymer-liquid crystal composite films, etc. Possible recording materials are introduced.

In each of the above-mentioned methods, display is performed by directly contacting the recording section with a thermal head or a magnetic head. Therefore, for example, even if a display unit using this type of reversible recording material is provided for an IC card in which information can be rewritten without contact, the display unit cannot be rewritten without contact, and as a result, Must insert an IC card into an external device. In this case, the merits of the non-contact IC card as described above cannot be fully utilized.

[0006] Non-contact rewriting of information, non-contact information display, and rewritable information recording material can be realized by providing a display unit with, for example, a liquid crystal display element. Become. However, it is necessary to stay within the range where radio waves can reach from the external device, and keep driving the liquid crystal display element. However, even if such a method is requested from the user, it is substantially the same as inserting a card into an external device, and it is not an advantage.

[0007] Therefore, if the information is made visible for a certain period of time using an external device and then turned off by a timer, and new information can be viewed when the external device is used, a non-contact IC card can be used. The advantage of the above can be utilized as it is, and therefore, a battery may be built in as a drive power supply for the display element. In this regard, Japanese Unexamined Patent Publication No. 9-35028 proposes a non-contact type IC card in which a solar cell is installed as an auxiliary power supply.

On the other hand, as a practical problem, bank cash cards and credit cards are paid by the bank and the card issuing company for the production cost of the card alone, the card issuing cost, the mailing cost, and the insurance premium. In such a situation, the increase in the manufacturing cost due to the provision of a convenient display unit on the card is directly borne by the bank and the card issuing company.

[0009]

Therefore, a contact-type IC card or a non-contact type by providing a display unit by displaying company information of a bank or a card issuing company, for example, advertising information, on the display unit. An object of the present invention is to provide means for absorbing an increase in the card manufacturing cost of an IC card.

[0010]

In order to achieve the above object, a portable terminal with a display unit according to claim 1 of the present invention comprises: an information recording unit for recording transaction information; A display unit for displaying transaction information, a power supply for the display unit, or a circuit for temporarily storing power, and the display unit displays, in addition to the transaction information, company information of a company involved in the transaction. It is characterized by being displayed.

Further, the portable terminal with a display unit according to the second aspect of the present invention is characterized in that, in the first aspect of the invention, the company information is advertising information of a business.

[0012] In the portable terminal with a display unit according to a third aspect of the present invention, in the first aspect of the invention, the company information is advertising information entrusted to a business operator. .

According to a fourth aspect of the present invention, in the portable terminal with a display unit according to any one of the first to third aspects, the company information is written by an external device accessed by the portable terminal. The information is temporarily stored in an information recording unit of the terminal.

According to a fifth aspect of the present invention, in the portable terminal with a display unit according to any one of the first to fourth aspects, the information recording unit stores one or more company information. Features

[0015] According to a sixth aspect of the present invention, in the portable terminal with a display unit according to any one of the first to fifth aspects, the company information is displayed after a transaction is normally performed. Things.

According to a seventh aspect of the present invention, in the portable terminal with a display unit according to any one of the first to sixth aspects, the company information is displayed first after a transaction is normally performed. Thereafter, information relating to the transaction is automatically displayed.

[0017] In a portable terminal with a display unit according to an eighth aspect of the present invention, in the invention according to any one of the first to seventh aspects, the company information is appropriately changed.

According to a ninth aspect of the present invention, in the portable terminal with a display unit according to any one of the first to eighth aspects, the company information is automatically displayed from the display unit after being displayed for a predetermined time. It is characterized by being erased.

According to a tenth aspect of the present invention, in the portable terminal with a display unit according to any one of the first to ninth aspects, the display unit power supply is a rechargeable power supply or temporarily stores power. It is a circuit.

The portable terminal with a display unit according to the eleventh aspect of the present invention is the portable terminal with a display unit according to any one of the first to ninth aspects, wherein the power supply for the display unit is a solar cell. .

According to a twelfth aspect of the present invention, there is provided a portable terminal with a display unit according to any one of the first to eleventh aspects.
It is a contact type IC card with a display unit having an external device connection terminal.

According to a thirteenth aspect of the present invention, there is provided a portable terminal with a display unit according to any one of the first to eleventh aspects.
It is a non-contact type IC card with a display unit having a built-in antenna unit.

According to a fourteenth aspect of the present invention, there is provided a portable terminal with a display unit according to any one of the first to eleventh aspects.
It is a contact type / non-contact type IC card with a display unit.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A portable terminal with a display unit according to the present invention will be described below with reference to the drawings.

FIG. 1 is a portable terminal with a display unit of the present invention, FIG. 2 is a diagram for explaining a specific example in which display of company information and display of transaction information are performed, and FIG. 1 and 4 for explaining the functions of a mobile terminal with a terminal.
2 is a schematic configuration for explaining the function of the mobile terminal with a display unit. FIGS. 2 and 5 are schematic configuration diagrams for explaining the function of the mobile terminal with a display unit. FIGS. Schematic Configuration for Explaining Functions FIGS. 4 and 7 show a portable terminal with a display unit provided with a display unit on a contact-type and non-contact-type dual-purpose IC card.

In FIG. 1, an IC card (portable terminal) 1
A display unit 12 and external terminals (terminals for external device connection) 13 are formed on the surface of the display unit, and visual display information is formed and displayed by embossing below the display unit. IC card 1
The resin forming the base is generally a thermoplastic plastic, for example, polyvinyl chloride, polyester,
These resins are made into a card by a lamination method in which these resins are adhered by injection, heat and pressure by means of injection, heat and pressure, using polyethylene or the like. Many IC cards are printed with a design including a logo on the front and back, and the handling of the card, and the printing ink is protected with a transparent film or resin.

As a display method of displaying information electrically, there are a method of directly displaying information by an electric signal, a method of displaying an electric signal by converting it into heat energy, and a method of converting it into a magnetic signal and displaying it. In the present invention, since display is to be performed without an external terminal, the display unit is preferably a display unit whose optical characteristics change in accordance with an electric signal. It consists of members that change the optical characteristics, such as light transmittance, reflectance, absorption spectrum, and polarization characteristics, that can be visually confirmed according to the electric signal, and change once the electric signal is applied. This state is maintained without an electric signal. Since the power supplied by reception of a radio wave described later or the power temporarily stored is not so large, it is required that the power consumption of the display unit be suppressed as small as possible.

As a display material capable of performing display with such a small power, a material using a liquid crystal display element can be mentioned as a representative one. Some of the above liquid crystal display elements use the following ferroelectric liquid crystal materials. A surface-stabilized ferroelectric liquid crystal display element is a display element formed by holding ferroelectric liquid crystal between two substrates so that the thickness thereof is 1.3 to 2.0 μm. It is possible to switch between two stable states that are inverted by applying the same. The portion switched to one of these two stable states has a memory property, and their orientation direction is maintained even when an external electric field is removed. The distinction between these two stable states can be made by using a polarizing means such as a polarizer or the like, whereby a memory-type display portion that can be visually confirmed is obtained. Further, by adding a dichroic dye to the liquid crystal material to form a guest-host type, the liquid crystal material can be visually identified without using polarized light.

In the above-mentioned surface stable ferroelectric liquid crystal display element, a polymer ferroelectric liquid crystal can be used. This is because a film can be formed on a flexible support such as a plastic film and can be oriented by applying a shear stress by bending, so that an orientation film is not required as in a normal liquid crystal element. There is an advantage that the manufacturing process can be simplified. In addition, since a flexible display element can be obtained and alignment disorder due to external force is less likely to occur, the display device is suitable as a display medium for a portable terminal such as a card.

In addition to the above-mentioned method using a liquid crystal,
There are a method using electrophoresis and a method using an electrochromic display element, which can be used in the present invention.
For example, a method using electrophoresis is to disperse white colored fine particles together with a colored liquid in a cell or a capsule, for example, and to collect white fine particles on one side by partially applying an electric field. The white portion and the colored portion of the liquid are formed and displayed. This method enables high-contrast display, and this state can be maintained even when the electric field is turned off.

In the above-mentioned memory display element, the display remains even when the electric field is removed.
Unlike the case where a normal liquid crystal is used, a step of erasing displayed information is required.

In addition to the above-described memory display element, a liquid crystal display element which also operates at a low voltage can be used.
As a typical liquid crystal display device, when an electric field is applied to liquid crystal molecules arranged in a certain direction and the liquid crystal is rearranged by utilizing the dielectric properties of the liquid crystal or the anisotropy of the electric conductivity, the optical properties due to birefringence will be lost There are nematic liquid crystal display elements that change. In this device, a dichroic dye is dissolved in a liquid crystal in which the major axes of the above-mentioned molecules are arranged in parallel to the electrode substrate, and the dye molecules are aligned with the liquid crystal molecules by an electric field to cause a color change.
Some exhibit a guest effect.
It can be used for C cards (mobile terminals). In the case of this liquid crystal, information can be erased from the display screen by cutting off the electric field.

Next, the IC module (external terminal) 13
In the case of a contact type (including a contact type and a non-contact type) IC card, an operating voltage is supplied to the CPU (VCC terminal) or a reset signal is supplied to the CPU in accordance with a contact point of an external device. (RST terminal), supplying an operation clock to the CPU (CLK terminal), supplying a write voltage to the memory (VPP terminal), receiving information supply from an external terminal (I / O terminal), zero voltage (GND terminal). In FIG. 1, the non-contact type I
Although the elements of the C card are not shown, FIG. 1 includes a non-contact type IC card because the contact type and non-contact type dual-purpose card has external terminals as described above. In the present invention, the non-contact type I often cannot be displayed on the display of the external device.
Since the C card is the main object, the following description of the IC card will mainly be made on the non-contact type IC card.

The emboss display is information which is imprinted on the card with concave and convex characters for a part of the attribute of the card owner. The elements stamped on the upper part are the company code of the credit card company, the member code of the member, the member classification code, etc.The middle part is the member name in alphabetical letters, the lower part is the card validity period, the member For example, the year. Depending on the card, the middle and lower rows may be switched.

Referring to FIG. 2, a state in which a transaction is performed with a terminal of a financial institution and an IC card will be described. In FIG. 2A, a user inserts a non-contact type contact type
I held my account at M (automatic teller machine) to check the remaining balance in my bank account. The ATM transmits a radio signal to an antenna unit built in the user's IC card, generates driving power, accesses the CPU of the IC chip, reads the deposit balance recorded in the memory unit, and displays the same. The section control driver was started, and the advertising message of the bank "3 year period to XXX bank" was displayed () on the display section. In the present embodiment, the above message is displayed for 5 seconds by the timer setting. After 5 seconds, the advertisement message “Three-year regular period goes to XXX bank” disappears, and the user's deposit balance is reduced. "Customer balance 9
99,000 yen ○○○ Bank ”. The access for the inquiry has been completed, but even if the card is removed from the external device, the balance is continuously displayed on the display for 10 seconds.
After 0 seconds, the timer worked and the display disappeared.

In FIG. 2b, the user uses the CD (cash dispenser) of the XX Bank installed in the company for the second time as a contact type IC card from his / her own bank account to obtain 40,0.
I pulled out 00 yen. After the withdrawal work, place the card in C
Pulled out of D. Immediately after pulling out the IC card, the IC
The card's display will show a campaign monthly advertisement for a new term deposit with a premium of XX Bank "
3 / 1-3 / 31 ○○○ Bank ”is displayed ().
The display was continued by the timer for 5 seconds in the same manner as described above, and after 5 seconds, the new balance of the user, 959,000 yen, was displayed () for 10 seconds.

The function of the display-equipped IC card will be described with reference to the block diagram shown in FIG. In the non-contact type IC card of the present invention, information to be displayed and information not to be displayed are stored in the card as codes. The non-contact IC card 1 is set in the IC card reader / writer 2. Non-contact I
Since it is a C card, it is only necessary to place the card face up so that the display unit can be seen, at the position designated by the frame next to the operation panel of the external device. A signal transmitted from the IC card reader / writer 2 is transmitted to an antenna coil (101) embedded and built in the IC card,
The power supply unit 106 generates power. The generated power is I
Supplied to the CPU 103 of the C chip,
M and power to the display control driver 105. The CPU / ROM 103 includes a memory unit 104
Is read and sent to the display control driver 105. Advertising information 201
Are converted into image display information by the display unit control driver and displayed on the display unit 12. If there is new advertising information, the external device can write or erase a plurality of pieces of information in the memory unit. The deposit information (the latest balance) is also read from the deposit information recording section of the memory section 104 and sent to the display section control driver 105 by the CPU / ROM 103 after 5 seconds. The information is converted into image display information by the display control driver 105 and displayed on the display 12.

In FIG. 3, a power supply unit 106 is a rechargeable battery, which is charged while the IC card is communicating with an external device via an antenna. In this embodiment, the charged electric power is used for displaying the company advertisement information for 5 seconds and the transaction information (deposit information) for 10 seconds on the display unit. Usually, an alkaline storage battery (such as a nickel-cadmium battery) is used in the power supply unit for charging. An alkaline storage battery uses an oxidizing agent such as nickel oxide or silver oxide for a positive electrode, a material such as cadmium, iron, or zinc for a negative electrode, and uses an alkaline aqueous solution such as potassium hydroxide for an electrolytic solution.

When the above-mentioned memory display element is used, unless the display information is erased from the display unit 12,
Since the user's deposit information remains displayed until the next access, it is inconvenient for others to be able to see the latest deposit balance. Therefore, in the system in the non-contact information recording method of the present invention, new blank page information is transmitted after deposit information is displayed on the display unit 12 for 10 seconds. For this purpose, in the present embodiment, a memory in which blank page information is recorded is mounted on the display unit control driver 105.

FIG. 4 is a block diagram showing a case where the advertisement information of the embodiment described with reference to FIG. 3 is written in the storage unit of the display unit control driver, and a program for that is installed. This is an embodiment of the present invention. When the access is started, the power supplied by the antenna is supplied from the power supply unit 106 to the CPU / ROM and the display unit control driver 105. While data processing is being performed, power is charged in the power supply unit 106. First, the display control driver 105 prepares to display the advertisement information 201 on the display 12. In this embodiment, when the processing of the deposit information is completed, the final balance is sent by the CPU 103 to the storage unit of the display unit control driver. When the deposit transaction operation is completed and the IC card is separated from the external device, the advertisement information and the deposit information are displayed on the display unit 12, as described with reference to FIG.
When the display unit is inside the external device, the information being operated can be displayed on the display unit of the non-contact IC card by the controller of the external device.

The block diagram shown in FIG. 5 is an embodiment in which the display section control driver of the embodiment described in FIG. 3 is independent. As described with reference to FIG.
Thus, power is supplied to the CPU and the display unit control driver, respectively.

The block diagram shown in FIG. 6 is a non-contact IC card in which the power supply unit 106 of the embodiment described with reference to FIG. This is an embodiment of the feature. This embodiment is characterized in that the contactless IC card can always be charged while being exposed to the light beam, so that it is not necessary to pay attention to the supply of display power to the display unit.

FIG. 7 shows a contact-type and non-contact-type dual-purpose IC described above.
This is one of the embodiments of the portable terminal with the display unit provided with the display unit 12 on the card. Usually, the antenna coil 14 is formed in a plurality of turns along the periphery of the card base of the IC card 1, and the contact type non-contact type is used. The terminal end of the antenna coil is connected to the antenna terminal of the IC module 13 on which the contact-type dual-purpose IC chip is mounted. On the front surface of the card, external terminals of the IC module 13 are embedded in the card base such that they are flush with the surface of the card. In the embodiment shown in this figure, it is necessary to form unevenness display characters inside the antenna coil 14 so as not to cut the antenna, and it is necessary to display the name of the card user and the validity period of the card. In this case, the member code is displayed in the second row, the membership code is displayed in the first row, the validity period and the simplified name are stamped in numbers and alphabets in the second row.

[0044]

According to the present invention, a display unit is provided, and the advertisement information of a bank or a card issuing company is recorded in a rewritable memory portion and used repeatedly, so that a long-term amortization is possible. Contactless IC card, or
The increase in the card manufacturing cost of the contact-type non-contact type dual-purpose IC card could be easily absorbed.

[Brief description of the drawings]

FIG. 1 is a portable terminal with a display unit of the present invention.

FIG. 2 is a diagram for explaining a specific example in which display of company information and display of transaction information are performed.

FIG. 3 is a schematic configuration diagram 1 for explaining functions of a mobile terminal with a display unit.

FIG. 4 is a schematic configuration diagram 2 for explaining functions of a mobile terminal with a display unit.

FIG. 5 is a schematic configuration diagram 3 for explaining functions of the mobile terminal with a display unit.

FIG. 6 is a schematic configuration diagram for explaining functions of the mobile terminal with a display unit;

FIG. 7 is a portable terminal with a display unit provided with a display unit on a contact-type non-contact dual-purpose IC card.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 IC card (mobile terminal) 2 Card reader / writer 10 Emboss display information 12 Display part 13 IC module (terminal for external device connection) 20 Display information 101 Interface part 103 CPU and ROM part 104 Memory part (information recording part) 105 Display Unit control driver 106, 107 power supply unit, portable terminal displaying company information, portable terminal displaying transaction information a one example of display of the present invention b another example of display of the present invention

Claims (14)

[Claims] An information recording unit for recording transaction information, a display unit for displaying the transaction information, a power supply for a display unit, or a circuit for temporarily storing power, the display unit comprising: A mobile terminal with a display unit, wherein, in addition to the transaction information, company information of a business entity involved in the transaction is displayed. 2. The mobile terminal with a display unit according to claim 1, wherein the company information is advertising information of a business. 3. The portable terminal with a display unit according to claim 1, wherein the company information is advertising information entrusted to a business. 4. The mobile terminal according to claim 1, wherein the company information is written by an external device accessed by the mobile terminal, and is temporarily stored in an information recording unit of the mobile terminal.
4. The mobile terminal with a display unit according to any one of claims 1 to 3. 5. The portable terminal with a display unit according to claim 1, wherein the information recording unit stores one or more company information. 6. The portable terminal with a display unit according to claim 1, wherein said company information is displayed after a transaction is normally performed. 7. The method according to claim 1, wherein the company information is displayed first after the transaction is normally performed, and thereafter, information on the transaction is automatically displayed. Mobile terminal with a display unit as described. 8. The portable terminal with a display unit according to claim 1, wherein said company information is changed as needed. 9. The portable terminal with a display unit according to claim 1, wherein the company information is automatically deleted from the display unit after being displayed for a predetermined time. 10. The portable terminal with a display unit according to claim 1, wherein the display unit power supply is a rechargeable power supply or a circuit for temporarily storing power. 11. The portable terminal with a display unit according to claim 1, wherein the power supply for the display unit is a solar cell. 12. The portable terminal with a display unit according to claim 1, wherein said portable terminal is a contact type IC card having an external device connection terminal. 13. The mobile terminal according to claim 1, wherein the mobile terminal is a non-contact type IC card having a built-in antenna unit.
12. The mobile terminal with a display unit according to any one of 11. 14. The portable terminal with a display unit according to claim 1, wherein said portable terminal is a contact type / non-contact type IC card.