KR102636670B1 - Foldable device with smart card and multi-function display - Google Patents

Abstract

The present invention relates to a foldable device including a smart card and a multi-function display, comprising: a foldable housing including a plurality of hinge structures; a flexible display disposed in a front area of the foldable housing, wherein one area is folded when at least one of the plurality of hinge structures is folded; A structure that protrudes from an upper area of the foldable housing toward the top of the foldable housing, wherein a smart card and a plurality of sensor modules are located in each area, and a first thickness that is the thickness before the foldable housing is folded. A protruding notch portion formed with the same thickness and having a structure that can be inserted into a card reader; And when the foldable housing is folded in the front direction by the plurality of hinge structures, and the thickness of the foldable housing excluding the protruding notch portion is thicker than the first thickness, the smart card and the plurality of It is characterized in that it includes a control unit that controls the function of at least one of the sensor modules. In addition to this, various embodiments identified through this document are possible.

Description

FOLDABLE DEVICE WITH SMART CARD AND MULTI-FUNCTION DISPLAY}

The present invention relates to a foldable device including a smart card and a multi-function display. Specifically, the present invention relates to a smart card included in a protruding notch portion of a structure that protrudes from an upper area of a foldable housing including a flexible display, and The present invention relates to a technology in which a control unit controls at least one of a plurality of sensor modules, and controls a smart card and at least one of a plurality of sensor modules according to the folding state of a foldable housing excluding the protruding notch portion.

As technology develops, various electronic devices are gradually becoming slimmer, and improvements are being made to strengthen design aspects and differentiate their functional elements. Accordingly, much technology is being developed for foldable devices with displays divided into multiple areas in a foldable housing in order to increase portability and at the same time provide images on a larger screen to users.

As an example, Korean Patent Publication No. 10-2020-0043578 (Electronic device for controlling an application according to the folding angle and method thereof) detects the folding angle of the foldable housing, and detects the folding angle through one area of the display. A technology for providing a screen according to is disclosed.

However, in the above-mentioned prior art, only the technology of executing different applications according to the folding angle and outputting them in each area of the display is disclosed, and the flexible display protrudes from the upper area of the foldable housing. A control unit controls at least one of the smart card and a plurality of sensor modules included in the protruding notch portion of the structure, and controls at least one of the smart card and the plurality of sensor modules according to the folding state of the foldable housing excluding the protruding notch portion. As the technology has not been disclosed, the need for technology that can solve this problem is emerging.

Accordingly, the present invention, through a foldable device including a smart card and a multi-function display, includes a smart card and a plurality of The control unit controls at least one of the sensor modules, but controls at least one of the smart card and a plurality of sensor modules according to the folding state of the foldable housing excluding the protruding notch portion, so that the user does not unfold the foldable device when making a card payment. Since there is no technology disclosed that allows payments to be made through a protruding notch or provides functions that provide convenience to users (e.g., health status check, authentication, etc.), the need for technology that can solve this problem is emerging.

A foldable device including a smart card and a multi-function display according to an embodiment of the present invention, comprising: a foldable housing including a plurality of hinge structures; a flexible display disposed in a front area of the foldable housing, wherein one area is folded when at least one of the plurality of hinge structures is folded; A structure that protrudes from an upper area of the foldable housing toward the top of the foldable housing, wherein a smart card and a plurality of sensor modules are located in each area, and a first thickness that is the thickness before the foldable housing is folded. A protruding notch portion formed with the same thickness and having a structure that can be inserted into a card reader; And when the foldable housing is folded in the front direction by the plurality of hinge structures, and the thickness of the foldable housing excluding the protruding notch portion is thicker than the first thickness, the smart card and the plurality of It is characterized in that it includes a control unit that controls the function of at least one of the sensor modules.

The protruding notch portion is connected to the foldable housing through an upper hinge structure located in an upper region of the foldable housing among the plurality of hinge structures, but a region including the region where the smart card is placed is not folded. It is desirable.

The plurality of sensor modules may include a fingerprint sensor, an iris sensor, and an electrocardiogram sensor.

The control unit includes: an authentication module control unit that deactivates the flexible display and activates at least one of the fingerprint sensor and the iris sensor when the foldable housing is folded toward the front while the protruding notch portion is unfolded; A health module control unit that activates the flexible display and then deactivates the fingerprint sensor and the iris sensor to activate the electrocardiogram sensor when the folded foldable housing is unfolded while the protruding notch is unfolded; And when a part of the folded foldable housing is unfolded in a state in which the protruding notch is unfolded, activating a flexible display corresponding to the unfolded part, and receiving a user input through the activated flexible display, It may be possible to include a payment method change unit that changes the first payment method linked to the smart card to another payment method based on the user input.

When the control unit receives the user's heart rate information while the electrocardiogram sensor is activated by the health module control unit, the control unit transmits the received heart rate information to the central server and determines the condition based on the heart rate information received from the central server. It is possible to receive information and output it through the activated flexible display.

The present inventor's foldable device including a smart card and a multi-function display allows the user to make payment by inserting the protruding notch located in the upper area of the foldable housing into the card reader without unfolding the foldable device when making a card payment. It can provide convenience to people.

FIG. 1 is a diagram illustrating a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating a protruding notch portion of a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.
Figure 3 is a diagram for explaining the control unit of a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.
Figure 4 is another diagram for explaining the control unit of a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.
FIG. 5 is a diagram illustrating a smart card of a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS Various embodiments and/or aspects are now disclosed with reference to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth to facilitate a general understanding of one or more aspects. However, it will also be appreciated by those skilled in the art that this aspect(s) may be practiced without these specific details. The following description and accompanying drawings set forth in detail certain example aspects of one or more aspects. However, these aspects are illustrative and some of the various methods in the principles of the various aspects may be utilized, and the written description is intended to encompass all such aspects and their equivalents.

As used herein, “embodiment,” “example,” “aspect,” “example,” etc. may not be construed to mean that any aspect or design described is better or advantageous than other aspects or designs. .

Additionally, the terms "comprise" and/or "comprising" mean that the feature and/or element is present, but exclude the presence or addition of one or more other features, elements and/or groups thereof. It should be understood as not doing so.

Additionally, terms containing ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention. The term and/or includes any of a plurality of related stated items or a combination of a plurality of related stated items.

In addition, in the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, are as commonly understood by a person of ordinary skill in the technical field to which the present invention pertains. It has the same meaning. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and unless clearly defined in the embodiments of the present invention, have an ideal or excessively formal meaning. It is not interpreted as

Meanwhile, in the following description, some of the elements depicted in the drawings are omitted or excessively enlarged or reduced in order to explain the function of each element of the present invention, but the relevant drawings do not explain the technical features and rights of the present invention. It would be natural to understand that the scope is not limited.

Additionally, in the following description, multiple drawings will be simultaneously referred to and described in order to explain components constituting one technical feature or invention.

FIG. 1 is a diagram illustrating a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.

Referring to FIG. 1, a foldable device including a smart card and a multi-function display may include a foldable housing 101, a flexible display 103, a protruding notch 105, and a control unit (not shown).

According to one embodiment, the foldable housing 101 may be a structure including a plurality of hinge structures. In more detail, the foldable housing 101 includes a first housing structure (not shown) coupled to the flexible display 103, a second housing structure (not shown) located on the rear of the foldable housing 101, and It may include a rear cover portion (not shown) that is coupled to the second housing structure and covers the rear surface of the foldable housing 101. At this time, the foldable housing 101 of the foldable device is not limited to the shape and combination shown in FIGS. 1 to 6, and may be implemented by combining and/or combining other shapes or parts.

According to one embodiment, the plurality of hinge structures may be configured to allow the foldable housing 101 to be folded. As the folding angle of the foldable housing 101 is changed by at least one of the plurality of hinge structures, the foldable device can be formed in one of an unfolded state, a folded state, and an intermediate state.

According to one embodiment, the flexible display 103 is disposed in the front area of the foldable housing 101, and one area may be folded as at least one of the plurality of hinge structures is folded. At this time, the flexible display 103 is seated on a recess included in the foldable housing 101 and can constitute most of the front surface of the foldable device.

Accordingly, the front of the foldable device may include a bezel formed by the flexible display 103 and the first housing structure. Additionally, the flexible display 103 may be divided into a plurality of areas when the foldable device is folded by at least one of the plurality of hinge structures or based on a function performed on the foldable device. For example, when the foldable device is folded once about the vertical axis by one of the plurality of hinge structures, the flexible display in the left area of the vertical axis can output the first screen, and the flexible display in the area to the left of the vertical axis can output the first screen, and the flexible display in the area to the left of the vertical axis can output the first screen. The flexible display can output a second screen.

According to one embodiment, the protruding notch portion 105 is a structure that protrudes from an upper area of the foldable housing 101 toward the upper part of the foldable housing 101, and a smart card 105a and a smart card 105a are stored in each area. A plurality of sensor modules 105b, 105c, and 105d may be positioned, formed to have the same thickness as the first thickness of the foldable housing 101 before being folded, and may be inserted into a card reader.

According to one embodiment, the protruding notch portion 105 may be a structure formed in an upper area located in the upper direction D1 of the foldable housing 101. At this time, the protruding notch portion 105 is connected to the foldable housing 103 through an upper hinge structure located in an upper area of the foldable housing 103 among the plurality of hinge structures, and is connected to the smart card 105a. ) may have a non-folding structure.

More specifically, when the upper hinge structure is folded, the protruding notch portion 105 may be folded into one of an unfolded state, a folded state, and an intermediate state based on the horizontal axis of the upper hinge structure. When the protruding notch portion 105 is in the unfolded state, the protruding notch portion 105 may protrude in the upper direction D1 of the foldable housing 101.

According to one embodiment, as the foldable housing 101 is folded in the front direction by the plurality of hinge structures, the control unit adjusts the thickness of the foldable housing 101 excluding the protruding notch portion 105. When forming a thickness thicker than the first thickness, the function of at least one of the smart card 105a and the plurality of sensor modules 105b, 105c, and 105d can be controlled.

That is, when the thickness of the foldable device becomes thicker than the first thickness according to the folding state of the foldable device, the control unit detects at least one of the smart card 105a and the plurality of sensor modules 105b, 105c, and 105d. You can control one function.

According to one embodiment, the smart card 105a may be equipped with an auxiliary memory for asymmetric cryptography, a main memory, and a 386-class CPU. The smart card 105a can perform functions on its own through a card terminal, but may include a function of executing commands from the control unit in conjunction with the control unit.

According to another embodiment, the control unit may control various sensors included in the protruding notch portion 105 to provide smart functions to the user through a foldable device including the smart card and a multi-function display.

In relation to the above, the control unit may control an ultra-wideband (UWB) sensor included inside the protruding notch portion 105 to provide an ultra-wideband-based location tracking service to the user. In addition, the control unit controls the IC and USIM included in the protruding notch portion 105 to activate the RFID (radio frequency identification) function to provide the user with a foldable device including the smart card and a multi-function display. Electronic wallet (payment, welfare points, cash recharge, and ATM cash withdrawal) functions can be provided.

In addition, the control unit transmits the user's bio signal input through the biometric sensor included in the protruding notch portion 105 to an external server (e.g., a healthcare server), and receives a bio signal based on the bio signal from the external server. Condition information can be received and provided to the user.

According to another embodiment, the protruding notch portion 105 may include a neuromorphic chip to provide a neuromorphic artificial intelligence control function to the user. Accordingly, the control unit can provide a neuromorphic artificial intelligence control function using the neuromorphic chip to the user. That is, the foldable device including a smart card and a multi-function display of the present invention includes a neuromorphic chip implementing an artificial neural network in hardware in the protruding notch portion 105, and allows the control unit to control the neuromorphic chip. You can execute various artificial intelligence functions using .

In relation to the above, the control unit uses a plurality of devices included in the foldable device to provide the above-mentioned smart functions (location tracking service, electronic wallet function, biological condition check function, and neuromorphic artificial intelligence function) to the user. The folding state of at least one of the hinge structures can be confirmed. The control unit may check the folded form of the foldable device by checking the folding state of at least one of the plurality of hinge structures. Accordingly, the control unit may execute at least one of the smart functions and provide it to the user based on the folding shape of the foldable device.

FIG. 2 is a diagram illustrating a protruding notch portion of a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.

Referring to FIG. 2, a foldable device including a smart card and a multi-function display includes a foldable housing 201 (e.g., the foldable housing 101 in FIG. 1) and a flexible display 203 (e.g., the flexible housing in FIG. 1). It may include a display 103) and a protruding notch 205 (eg, the protruding notch 105 of FIG. 1).

According to one embodiment, in (a) of FIG. 2, the foldable device may be folded by a plurality of hinge structures included in the foldable housing 201. Accordingly, the flexible display 203 disposed on the front area of the foldable housing 201 may also be folded in one area corresponding to the folded state.

At this time, the protruding notch portion 205 may be disposed in an upper area of the foldable housing 201. The protruding notch portion 205 may be connected to the foldable housing 201 through an upper hinge structure among the plurality of hinge structures. Accordingly, the protruding notch portion 205 can be in an unfolded state through the upper hinge structure.

According to one embodiment, the foldable housing 201 may have the same height as the height h1 of the protruding notch portion 205. At this time, the height of the foldable housing 201 is the height that forms the first thickness, and may be the height before being folded by one of the plurality of hinge structures. That is, the height h1 of the protruding notch portion 205 may be a height that forms the first thickness.

In relation to the above, the height h1 corresponding to the first thickness is a height at which the protruding notch portion 205 can be inserted into the insertion groove of the card reader, and the smart card located in the protruding notch portion 205 is inserted into the insertion groove. It may be a height (or first thickness) that allows payment to be performed as it is inserted into the groove. Accordingly, even if the flexible display 203 is located in one area of the protruding notch portion 205, one area including the area where the smart card is located may be formed of a structure and material that does not fold.

According to one embodiment, in (b) of FIG. 2, when the foldable device is folded by a plurality of hinge structures, the flexible display 203 is not exposed to the outside, and the upper area of the foldable housing 201 The protruding notch portion 205 may be formed to protrude upward. At this time, the foldable housing 201 excluding the protruding notch portion 205 may form a height h2 higher than the first height.

Figure 3 is a diagram for explaining the control unit of a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.

Referring to FIG. 3, a foldable device including a smart card and a multi-function display includes a foldable housing 301 (e.g., the foldable housing 101 in FIG. 1) and a flexible display 303 (e.g., the flexible housing in FIG. 1). It may include a display 103), a protruding notch 305 (eg, the protruding notch 105 of FIG. 1), and a control unit (not shown).

According to one embodiment, the control unit may control functions of components included in the foldable device (eg, flexible display, smart card, etc.) depending on the folding state of the foldable device.

According to one embodiment, the control unit may include an authentication module control unit (not shown) and a health module control unit (not shown) as detailed components for performing the above-described functions.

According to one embodiment, the authentication module control unit controls the flexible display 203 when the foldable housing 301 is folded toward the front while the protruding notch portion 305 is unfolded (unfolded state). After deactivating, at least one of the fingerprint sensor 305c and the iris sensor 305d among the plurality of sensor modules 305b, 305c, and 305d may be activated. The plurality of sensor modules 305b, 305c, and 305d may include, but are not limited to, a fingerprint sensor 305c, an iris sensor 305b, and an electrocardiogram sensor 305d.

According to one embodiment, in relation to the authentication module control unit, the foldable device is in the form shown in (b) of FIG. 2 (in a state in which the protruding notch portion 305 is unfolded (unfolded state), the foldable device When the housing 301 is folded toward the front, the smart card 305a, iris sensor 305b, and fingerprint sensor 305c included in the protruding notch portion 305 can be activated.

According to one embodiment, the control unit controls the foldable device when the foldable housing 301 is folded toward the front while the protruding notch portion 305 of the foldable device is unfolded (unfolded state). It is determined that the user has not been provided with a separate function through the flexible display 303, and in order to support only the authentication function, the authentication module control unit uses the iris sensor 305b and the fingerprint sensor ( 305c) can be activated. That is, the control unit controls the user to use the smart card 305a when the foldable housing 301 is folded toward the front while the protruding notch portion 305 of the foldable device is unfolded (unfolded state). If it is determined that will be used, the iris sensor 305b and the fingerprint sensor 305c can be activated to perform an authentication process to activate the smart card 305a.

At this time, since the flexible display 303 is not exposed to the outside as the foldable housing 301 is folded, the control unit can deactivate the flexible display 303.

According to one embodiment, the health module control unit activates the flexible display 303 when unfolding the foldable housing 301 in a state in which the protruding notch portion 305 is unfolded, The ECG sensor 305d can be activated by deactivating the fingerprint sensor 305c and the iris sensor 305b.

According to one embodiment, the control unit controls the foldable device when the folded housing 301 is unfolded while the protruding notch portion 305 of the foldable device is unfolded (unfolded state). It can be determined that users will be provided with separate functions through the flexible display 303. That is, the control unit deactivates the iris sensor 305b and fingerprint sensor 305c that are activated in order to perform an authentication process to activate the smart card 305a, and causes the health module control unit to activate the smart card 305a. ) and the ECG sensor can be activated.

In relation to the above, when the control unit receives the user's heart rate information through the ECG sensor while the ECG sensor is activated by the health module control unit, the control unit transmits the received heart rate information to the central server, and the central server transmits the received heart rate information to the central server. Condition information based on heart rate information received from the server can be received. Accordingly, the control unit can output the received condition information through the activated flexible display 303.

According to one embodiment, the central server may be a server of an organization (eg, healthcare, hospital, etc.) that generates condition information indicating the user's health status through the heart rate information. The heart rate information is information obtained by the electrocardiogram sensor measuring the user's pulse, and when provided to the central server, the central server analyzes the user's pulse information and generates condition information based on the analysis result. This may be information used to provide to a foldable device.

Figure 4 is another diagram for explaining the control unit of a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.

Referring to FIG. 4 , a foldable device including a smart card and a multi-function display may include a protruding notch 405 (e.g., the protruding notch 105 of FIG. 1 ) and a control unit (not shown).

According to one embodiment, the control unit may control at least one of a plurality of sensor modules 405b and 405c located in the protruding notch portion 405. At this time, the control unit may set one of a plurality of functions executed in the foldable device according to information acquired through the plurality of sensor modules.

For example, the control unit may perform a first function of activating the function of the smart card 405a located in the protruding notch portion 405 when a fingerprint is input through the fingerprint sensor 405c among the plurality of sensor modules. You can. In relation to the above, when the control unit receives a function setting input from the user, the control unit may change the first function based on the received function setting input.

In more detail, when the control unit receives the function setting input from the user, based on the received function setting input, the first function activated when a fingerprint is input through the fingerprint sensor 405c is converted to a recording function. You can change it.

According to another embodiment, the control unit is included in the protruding notch portion 405 when a fingerprint is input through the fingerprint sensor 405c among the plurality of sensor modules while the right screen of the foldable device is folded. By controlling the UWB (ultra-wideband) sensor among the sensors, ultra-wideband-based location tracking service can be activated. At this time, when the ultra-wideband-based location tracking service starts, the control unit may output a screen based on the location tracking service through the left screen of the foldable device in its non-folded state.

According to another embodiment, the control unit may activate the electronic wallet function by controlling the IC and USIM located within the protruding notch portion 405 while the left screen of the foldable device is folded. At this time, when the electronic wallet function is activated, the control unit selects one of the payment function, welfare point function, cash recharge function, and ATM cash withdrawal function among the electronic wallet functions through the non-folded right screen of the foldable device. You can print the requested screen.

FIG. 5 is a diagram illustrating a smart card of a foldable device including a smart card and a multi-function display according to an embodiment of the present invention.

Referring to FIG. 5, a foldable device including a smart card and a multi-function display may include a protruding notch 505 (eg, the protruding notch 105 of FIG. 1) and a control unit (not shown).

According to one embodiment, when a portion of the folded foldable housing 501 is unfolded while the protruding notch portion 505 is unfolded, the control unit displays a flexible display corresponding to the unfolded portion. When 503) is activated and a user input is received through the activated flexible display 503, the first payment method linked to the smart card 505a can be changed to another payment method based on the received user input. .

According to one embodiment, the smart card 505a is in a state in which the protruding notch portion 505 is unfolded, the foldable housing 501 is folded toward the front, and the flexible display 503 is deactivated. In this state, it may be activated when the authentication process performed by information acquired through one of the activated fingerprint sensor 505c and iris sensor 505b is completed.

However, in this case, there may be difficulty in changing the payment method linked to the smart card 505a to another payment method. Accordingly, when a part of the folded foldable housing 501 is unfolded, the control unit activates the flexible display 503 corresponding to the unfolded part to make the first payment linked to the smart card 505a. By automatically outputting an interface for changing the payment method to another payment method, difficulties that exist in changing the payment method linked to the smart card 505a to another payment method can be solved.

In addition, in Figures 1 to 5, the function performed by the foldable device is based on a specific operation (e.g., the operation of unfolding the folded foldable housing while the protruding notch is unfolded to activate the electrocardiogram sensor). Although disclosed to be executed, it would be natural that the present invention is an invention that performs the above function when a foldable device, rather than a specific operation, forms a form corresponding to a specific operation.

As described above, although the embodiments have been described with limited examples and drawings, those skilled in the art will understand that various modifications and variations can be made from the above description. Terms such as “include,” “comprise,” or “have” described above mean that components that are not specifically stated to the contrary may be included, and therefore do not exclude other components, but rather include other components. It should be interpreted to include more. In addition, the scope of protection of the present invention should be interpreted in accordance with the claims below, and all technical ideas within the equivalent scope should be construed as being included in the scope of rights of the present invention.

Claims (6)

In a foldable device including a smart card and a multi-function display,
A foldable housing including a plurality of hinge structures;
a flexible display disposed in a front area of the foldable housing, wherein one area is folded when at least one of the plurality of hinge structures is folded;
A structure that protrudes from an upper area of the foldable housing toward the top of the foldable housing, wherein a smart card and a plurality of sensor modules are located in each area, and a first thickness that is the thickness before the foldable housing is folded. A protruding notch portion formed with the same thickness and having a structure that can be inserted into a card reader; and
As the foldable housing is folded in the front direction by the plurality of hinge structures, when the thickness of the foldable housing excluding the protruding notch portion is thicker than the first thickness, the smart card and the plurality of sensors Includes a control unit that controls the function of at least one of the modules,
The protruding notch portion,
Among the plurality of hinge structures, it is connected to the foldable housing through an upper hinge structure located in an upper area of the foldable housing, wherein an area including the area where the smart card is placed is not foldable,
The plurality of sensor modules are,
Includes a fingerprint sensor, iris sensor, and electrocardiogram sensor,
The control unit,
An authentication module control unit that deactivates the flexible display and activates at least one of the fingerprint sensor and the iris sensor when the foldable housing is folded toward the front while the protruding notch is unfolded;
A health module control unit that activates the flexible display and then deactivates the fingerprint sensor and the iris sensor to activate the electrocardiogram sensor when the folded foldable housing is unfolded while the protruding notch is unfolded; and
In a state in which the protruding notch is unfolded, when a part of the folded foldable housing is unfolded, a flexible display corresponding to the unfolded part is activated, and when a user input is received through the activated flexible display, the A foldable device including a smart card and a multi-function display, comprising a payment method changer that changes the first payment method linked to the smart card to another payment method based on a user input.
delete delete delete According to paragraph 1,
The control unit,
When the user's heart rate information is received while the electrocardiogram sensor is activated by the health module control unit, the received heart rate information is transmitted to the central server, and condition information based on the heart rate information received from the central server is received. , A foldable device including a smart card and a multi-function display, characterized in that output is output through the activated flexible display.
According to clause 5,
The control unit,
When the protruding notch portion is in the unfolded state and the foldable housing changes to a preset shape as at least one of the plurality of hinge structures is folded, the RFID (radio frequency identification) function is activated to enable shopping payment. A foldable device with a smart card and a multi-function display, characterized in that it drives an electronic wallet function including at least one of a function, a welfare point payment function, and a cryptocurrency payment function.

Images