Measurement terminal and control method thereof

Abstract

A measurement terminal and a control method thereof are provided. The terminal includes a touch panel including first electrodes arranged in a first direction and second electrodes arranged in a second direction intersecting the first direction, a display panel attached to the touch panel and displaying an image, and a processor for controlling the touch panel and the display panel. In a measurement mode, the processor is configured to apply a driving signal to the touch panel configured to form an electric field and / or a magnetic field when the driving signal is applied, and determine a body composition of a user based on a sensing signal output from the touch panel according to an eddy current induced to the user's body by the electric field and / or the magnetic field formed around the touch panel.

Description

[0001] Intersection of related applications

[0002] This application claims priority and benefit to Korean Patent Application No. 10-2019-0065398, filed on June 3, 2019, which is incorporated herein by reference for all purposes as if fully set forth herein. Technical Field

[0003] Exemplary embodiments of the present invention generally relate to a terminal, and more specifically, to a terminal capable of measuring body composition and a method for controlling the terminal to perform health care management. Background Technology

[0004] Recently, various applications have been developed that use terminals such as smartphones and tablet PCs to manage health. Users can use these terminals to measure body composition, such as body fat percentage, body water content, and muscle mass.

[0005] Typically, in order to measure body composition via a terminal, conventional methods use electrodes that can come into contact with the human body, which are integrally or detachably attached to the outer surface of the terminal.

[0006] The information disclosed in this background section is only for understanding the background of the inventive concept, and therefore may contain information that does not constitute prior art.

[0007] The applicant recognizes that the external electrodes of the terminal used to measure body composition are not only detrimental to the terminal's aesthetics, but also cause problems with dust or moisture damage. Summary of the Invention

[0008] A terminal constructed according to the principles and exemplary embodiments of the present invention, and a method for controlling the terminal according to exemplary embodiments of the present invention, can measure a user's body composition without adding separate hardware configuration by using a coil antenna and a touchscreen panel disposed inside the terminal. Therefore, the terminal and method for controlling the terminal according to exemplary embodiments of the present invention can prevent the electrodes used for measuring body composition from being exposed to the outside, thereby preventing damage to the electrodes and electric shock to the user due to exposed electrodes.

[0009] Other features of the inventive concept will be set forth in the following description and will be apparent in part from the description or may be learned by practice of the inventive concept.

[0010] According to one aspect of the invention, a terminal includes: a touch panel including a first electrode arranged along a first direction and a second electrode arranged along a second direction intersecting the first direction; a display panel attached to the touch panel and displaying an image; and a processor for controlling the touch panel and the display panel. In a measurement mode, the processor is configured to: apply a drive signal to the touch panel, the touch panel being configured to form an electric field and / or a magnetic field when the drive signal is applied; and determine the user's body composition based on a sensing signal output from the touch panel according to eddy currents, the eddy currents being sensed by the user's body by the electric field and / or magnetic field formed around the touch panel.

[0011] The processor can be configured to apply a drive signal to a first set of first electrodes and receive a sensing signal from a second set of first electrodes.

[0012] The third group of the first electrodes can be disposed between the first group and the second group such that the first group and the second group are spaced apart from each other, wherein the third group of the first electrodes includes at least one first electrode.

[0013] In measurement mode, the processor can be configured to apply a current corresponding to the ground voltage to the third group of the first electrodes, or it can choose not to apply a current to the third group.

[0014] In sensing mode, the processor can be configured to apply a drive signal to the first electrode and sense touch input based on a sensing signal output from the second electrode.

[0015] The processor can be configured to operate in sensing mode when a body composition measurement event is sensed while operating in sensing mode.

[0016] The processor can be configured to operate in sensing mode during the first cycle and in measurement mode during the second cycle following the first cycle.

[0017] According to another aspect of the invention, a terminal includes: a touch panel having a plurality of electrodes; a display panel attached to the touch panel and displaying an image; a coil member disposed on a first surface of the display panel; and a processor for controlling the touch panel, the display panel, and the coil member. In a measurement mode, the processor may be configured to: apply a current to the coil member, the coil member being configured to form an electric field and / or a magnetic field when the current is applied; and determine the user's body composition based on sensing signals output from the touch panel according to eddy currents, the eddy currents being sensed by the electric field and / or magnetic field formed around the coil member.

[0018] The coil component may include a coil antenna, and the terminal may also include a signal generator, a rectifier, and a switching unit. The signal generator is used to generate an electrical signal of a predetermined frequency, the rectifier is used to rectify and output the received current, and the switching unit is used to electrically connect or disconnect the signal generator, the rectifier, and the coil component.

[0019] In measurement mode, the processor can be configured to control the switching unit to electrically connect the signal generator and the coil antenna.

[0020] In sensing mode, the processor can be configured to control the switching unit to electrically connect the rectifier and the coil antenna, and the rectifier can be configured to rectify and output the current received from the coil antenna through the induced electromotive force when an induced electromotive force is generated in the coil antenna.

[0021] According to another aspect of the invention, a method for controlling a terminal is provided, the terminal including a touch panel, the touch panel including a first electrode arranged along a first direction and a second electrode arranged along a second direction intersecting the first direction, the method comprising the steps of: applying a drive signal to a first set of the first electrode or the second electrode in a measurement mode; receiving a sensing signal from a second set of the first electrode or the second electrode; and determining a user's body composition based on the sensing signal.

[0022] A third group, including at least one first electrode, may be disposed between the first group and the second group, such that the first group and the second group are spaced apart from each other.

[0023] The step of applying a drive signal to the first group may include applying a current corresponding to the ground voltage to the third group.

[0024] The method may also include the following steps: determining whether a body composition measurement event is generated before applying a driving signal to the first group, and applying the driving signal to the first group when a body composition measurement event is generated.

[0025] The method may further include the following steps: when no body composition measurement event is generated, applying a drive signal to one of the first electrode and the second electrode in a sensing mode; receiving a sensing signal output from the other of the first electrode and the second electrode; and sensing touch input based on the sensing signal.

[0026] The method may further include the following steps: determining whether a second cycle corresponding to the measurement mode has elapsed; when the second cycle has elapsed, applying a drive signal to one of the first electrode and the second electrode in a sensing mode; receiving a sensing signal output from the other of the first electrode and the second electrode; determining whether a first cycle corresponding to the sensing mode has elapsed; and when the first cycle has elapsed, returning to the measurement mode.

[0027] According to another aspect of the invention, a method for controlling a terminal is provided, the terminal including a touch panel having a plurality of electrodes and a coil antenna, the method comprising the steps of: applying a current to the coil antenna in a measurement mode; receiving sensing signals from the plurality of electrodes; and determining a user’s body composition based on the sensing signals.

[0028] The terminal may also include: a signal generator for generating an electrical signal at a predetermined frequency; a rectifier for rectifying and outputting the received current; and a switching unit for electrically connecting or disconnecting the signal generator, the rectifier, and the coil antenna, and the switching unit may be further controlled to electrically connect the rectifier and the coil antenna before applying current to the coil antenna.

[0029] The method may also include the following steps: controlling the switching unit to electrically connect the rectifier and the coil antenna in a first mode, and using the current received from the rectifier to power the terminal.

[0030] It should be understood that both the preceding general description and the following detailed description are exemplary and illustrative, and are intended to provide further explanation of the invention as claimed. Attached Figure Description

[0031] The accompanying drawings (which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification) illustrate exemplary embodiments of the invention and, together with the specification, serve to explain the inventive concept.

[0032] Figure 1 This is a block diagram of an exemplary embodiment of a terminal constructed according to the principles of the present invention.

[0033] Figure 2 This is a schematic side view of an exemplary embodiment of a terminal constructed according to the principles of the present invention.

[0034] Figure 3 yes Figure 2 A plan view of an exemplary embodiment of the touch panel shown.

[0035] Figure 4 This is a schematic side view of another exemplary embodiment of a terminal constructed according to the principles of the present invention.

[0036] Figure 5 yes Figure 4 A plan view of an exemplary embodiment of the coil antenna shown.

[0037] Figure 6 This is a flowchart of a method for controlling a terminal according to an exemplary embodiment of the present invention.

[0038] Figure 7This is a flowchart of a method for controlling a terminal according to another exemplary embodiment of the present invention.

[0039] Figure 8 yes Figure 7 The flowchart shown is an exemplary implementation of a method for controlling a terminal in a second mode.

[0040] Figure 9 It is a description Figure 8 A figure showing an exemplary implementation of a method for controlling a terminal.

[0041] Figure 10 yes Figure 7 The flowchart shown is another exemplary embodiment of the method for controlling the terminal in the second mode.

[0042] Figure 11 , Figure 12 and Figure 13 It is a description Figure 10 A figure showing an exemplary implementation of a method for controlling a terminal.

[0043] Figure 14 yes Figure 7 The flowchart shown is another exemplary embodiment of the method for controlling a terminal in a second mode.

[0044] Figure 15 An exemplary embodiment of a terminal constructed according to the principles of the present invention is shown.

[0045] Figure 16 Another exemplary embodiment of a terminal constructed according to the principles of the present invention is shown.

[0046] Figure 17 This illustrates yet another exemplary embodiment of a terminal constructed according to the principles of the present invention. Detailed Implementation

[0047] In the following description, numerous specific details are set forth for purposes of explanation in order to provide a thorough understanding of various exemplary embodiments or embodiments of the invention. As used herein, the terms "implementation" and "embodiment" are interchangeable and refer to non-limiting examples of apparatuses or methods that apply one or more of the inventive concepts disclosed herein. However, it will be apparent that various exemplary embodiments may be implemented without these specific details or with one or more equivalent arrangements. In other instances, well-known structures and apparatuses are illustrated in block diagram form to avoid unnecessarily obscuring the various exemplary embodiments. Furthermore, the various exemplary embodiments may be different, but not necessarily exclusive. For example, a particular shape, configuration, and characteristic of an exemplary embodiment may be used or performed in another exemplary embodiment without departing from the inventive concept.

[0048] Unless otherwise indicated, the exemplary embodiments shown are to be understood as exemplary features providing different details of how the inventive concept can be implemented in practice. Therefore, unless otherwise indicated, the features, components, modules, layers, films, panels, regions and / or aspects of the various embodiments (hereinafter individually or collectively referred to as “elements”) may be combined, separated, exchanged and / or rearranged without departing from the inventive concept.

[0049] The use of section lines and / or shading in the accompanying drawings is generally used to clarify the boundaries between adjacent elements. Thus, unless otherwise specified, the presence or absence of section lines or shading does not convey or indicate any preference or requirement for particular materials, material properties, dimensions, scale, commonalities between illustrated elements, and / or any other characteristics, properties, or properties of the elements. Furthermore, in the accompanying drawings, the dimensions and relative dimensions of elements may be enlarged for clarity and / or descriptive purposes. When exemplary embodiments can be performed differently, a particular process sequence may be performed differently than the sequence described. For example, two consecutively described processes may be performed substantially simultaneously or in the reverse order of their description. Additionally, the same reference numerals denote the same elements.

[0050] When a component or layer is referred to as being on, connected to, or coupled to another component or layer, it may be directly on, connected to, or coupled to that other component or layer, or there may be an intermediate component or layer. However, when a component or layer is referred to as being directly on, directly connected to, or directly coupled to another component or layer, there is no intermediate component or layer. Therefore, the term "connection" can refer to a physical connection, electrical connection, and / or fluid connection, with or without an intermediate component. Furthermore, the D1, D2, and D3 axes are not limited to the three axes of a Cartesian coordinate system, such as the x, y, and z axes, but can be interpreted in a broader sense. For example, the D1, D2, and D3 axes may be perpendicular to each other, or may represent different directions that are not perpendicular to each other. For the purposes of this disclosure, “at least one of X, Y, and Z” and “at least one selected from the group consisting of X, Y, and Z” can be interpreted as X only, Y only, Z only, or any combination of two or more of X, Y, and Z, for example, XYZ, XYY, YZ, and ZZ. As used herein, the term “and / or” includes any and all combinations of one or more of the associated listed items.

[0051] Although the terms “first,” “second,” etc., may be used herein to describe various types of elements, these elements should not be limited by these terms. These terms are used to distinguish one element from another. Therefore, without departing from the teachings of this disclosure, the first element discussed below may be referred to as the second element.

[0052] Spatial relative terms, such as “beneath,” “below,” “under,” “lower,” “above,” “upper,” “over,” “higher,” and “side” (e.g., as in “sidewall”), may be used herein for descriptive purposes and are therefore used to describe the relationship of one element to another, as shown in the accompanying drawings. In addition to the orientations depicted in the drawings, spatial relative terms are also intended to cover different orientations of the device in use, operation, and / or manufacture. For example, if the device in the drawings is flipped, an element described as “below” or “under” other elements or features would then be oriented “above” those other elements or features. Thus, the exemplary term “below” may encompass both above and below orientations. Furthermore, the device may be oriented in other ways (e.g., rotated 90 degrees or in other orientations), and for this reason, the spatial relative descriptive terms used herein should be interpreted accordingly.

[0053] The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” are intended to also include the plural meaning. Furthermore, the terms “comprises,” “comprising,” “includes,” and / or “including,” when used in this specification, indicate the presence of the described features, integrals, steps, operations, elements, components, and / or combinations thereof, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof. It is also noteworthy that, as used herein, the terms “basically,” “about,” and other similar terms are used as approximate terms rather than as terms of degree, and therefore, allowances are made for inherent deviations in measured, calculated, and / or provided values ​​that will be apparent to those skilled in the art.

[0054] Unless otherwise specified, all terms used herein (including technical and scientific terms) shall have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure pertains. Terms, such as those defined in common dictionaries, shall be interpreted as having a meaning consistent with their meaning in the context of the relevant field and shall not be interpreted in an idealized or overly formal sense unless expressly defined herein.

[0055] In the following description, exemplary embodiments will be presented in more detail with reference to the accompanying drawings. The same or similar reference numerals are used for the same components in the drawings.

[0056] Terminals according to various exemplary embodiments may include at least one of the following: smartphones, tablet PCs, mobile phones, video phones, e-book readers, workstations, PDAs, portable multimedia players (PMPs), MP3 players, medical devices, cameras, and wearable devices. Wearable devices may include at least one of the following types of circuitry: accessory type (e.g., watch, ring, bracelet, necklace, a pair of glasses, contact lenses, or head-mounted devices (HMDs)), fabric or clothing integrated type (e.g., electronic clothing), body attachment type (e.g., skin pads or tattoos), and bio-implant type.

[0057] In an exemplary embodiment, the terminal may include at least one of the following: a television, a digital video disc (DVD) player, a stereo, a refrigerator, an air conditioner, a vacuum cleaner, a microwave oven, an air purifier, a set-top box, a home automation control panel, a security control panel, a media box, a game console, an electronic key, a camera, and an electronic photo frame.

[0058] In another exemplary embodiment, the terminal may include at least one of the following: various medical devices (e.g., portable medical measuring devices, magnetic resonance angiography (MRA) devices, magnetic resonance imaging (MRI) devices, computed tomography (CT) devices, imagers, ultrasound machines, etc.), navigation devices, industrial or home robots, and Internet of Things (IoT) devices (e.g., electrodes, various sensors, temperature controllers, fitness equipment, etc.).

[0059] In various exemplary embodiments, the terminal may be a flexible device or a rigid device. In various exemplary embodiments, the terminal may be a combination of two or more of the various devices described above. However, the terminal is not limited to the devices described above.

[0060] Figure 1 This is a block diagram of an exemplary embodiment of a terminal constructed according to the principles of the present invention. (See reference) Figure 1 Terminal 100 may include one or more processors (e.g., AP) 110, communication module 120, memory 130, sensor module 140, input device 150, display 160, power management module 170 and battery 180.

[0061] The processor 110 can drive an operating system or applications to control various hardware or software components connected to the processor 110. Furthermore, the processor 110 can perform various data processing and operations required for the operation of the terminal 100.

[0062] Processor 110 may be implemented as a system-on-a-chip (SoC). In an exemplary embodiment, processor 110 may also include a graphics processing unit (GPU) and / or an image signal processor. Processor 110 may include Figure 1 At least some of the components shown (e.g., cellular module 121). Processor 110 may load instructions or data received from at least one of the other components (e.g., non-volatile memory) into volatile memory and process them, and store the resulting data in non-volatile memory.

[0063] The communication module 120 can be configured to communicate between the terminal 100 and external devices. For example, the communication module 120 can be connected to a network via wireless or wired communication to communicate with external devices.

[0064] Wireless communication may include cellular communication using at least one of LTE, LTE-A, Code Division Multiple Access (CDMA), Wideband CDMA (WCDMA), Universal Mobile Telecommunications System (UMTS), Wireless Broadband (WiBro), and Global System for Mobile Communications (GSM). In an exemplary embodiment, wireless communication may include at least one of Wi-Fi, Bluetooth, Bluetooth Low Energy (BLE), Zigbee, Near Field Communication (NFC), Magnetic Secure Transmission, Radio Frequency (RF), and Body Area Network (BAN). In an exemplary embodiment, wireless communication may include GNSS. GNSS may be Global Positioning System (GPS), Global Navigation Satellite System (GLONASS), BeiDou Navigation Satellite System (BeiDou), Galileo Navigation Satellite System, or the European Global Navigation Satellite System.

[0065] Wired communication may include at least one of Universal Serial Bus (USB), High Definition Multimedia Interface (HDMI), Recommended Standard 232 (RS-232), Power Line Communication, and Ordinary Old-Style Telephone Service (POTS).

[0066] The communication module 120 may include, for example, a cellular module 121, a WiFi module 122, a Bluetooth (BT) module 123, a GNSS module 124, an NFC module 125, and an RF module 126.

[0067] Cellular module 121 can provide voice calls, video calls, text services, Internet services, etc., through a communication network. In an exemplary embodiment, cellular module 121 can use a user identification module (e.g., a SIM card) to perform identification and authentication of terminal 100 within the communication network. In an exemplary embodiment, cellular module 121 can perform at least some functions that can be provided by processor 110. In an exemplary embodiment, cellular module 121 may include a communication processor.

[0068] In an exemplary embodiment, at least some of the cellular module 121, WiFi module 122, Bluetooth module 123, GNSS module 124, and NFC module 125 may be included in an integrated chip (IC) or IC package.

[0069] RF module 126 can transmit and receive communication signals (e.g., RF signals). RF module 126 may include a transceiver, a power amplifier module (PAM), a frequency filter, a low-noise amplifier (LNA), an antenna, etc.

[0070] In an exemplary embodiment, at least one of the cellular module 121, WiFi module 122, Bluetooth module 123, GNSS module 124, and NFC module 125 can transmit and receive RF signals through a separate RF module.

[0071] Memory 130 may include internal memory 131 or external memory 132. Internal memory 131 may include at least one of the following: volatile memory (e.g., DRAM, SRAM, SDRAM, etc.) and non-volatile memory (e.g., one-time programmable ROM (OTPROM), PROM, EPROM, EEPROM, mask ROM, flash ROM, flash memory, hard disk drive, and solid-state drive (SSD)). External memory 132 may include flash memory drives, such as compact flash (CF), secure digital (SD), micro SD, mini SD, ultra-fast digital (xD), memory stick, etc. External memory 132 may be functionally or physically connected to terminal 100 through various interfaces. In various exemplary embodiments, memory 130 may store at least one algorithm, data, information, etc. required for body composition measurement.

[0072] Sensor module 140 can measure physical quantities or sense the operating state of terminal 100 and convert the measured or sensed information into electrical signals. Sensor module 140 may include at least one of a gyroscope sensor 141, a magnetic sensor 142, an accelerometer sensor 143, a grip sensor 144, a proximity sensor 145, a biosensor 146, a temperature / humidity sensor 147, an illuminance sensor 148, and a UV sensor 149. Additionally or alternatively, sensor module 140 may include an electronic nose sensor, an electromyography (EMG) sensor, an electroencephalography (EEG) sensor, an electrocardiogram (ECG) sensor, an infrared sensor, an iris sensor, and / or a fingerprint sensor.

[0073] The sensor module 140 may also include control circuitry for controlling at least one sensor belonging to the sensor module 140. In an exemplary embodiment, the terminal 100 may control the sensor module 140 when the processor 110 is in a sleep state by further including a processor configured to control the sensor module 140, which is part of or separate from the processor 110.

[0074] Input device 150 may include touch panel 151, (digital) pen sensor 152 and button 153.

[0075] Touch panel 151 can sense user touch input and output touch event values ​​corresponding to the sensed touch signals. Touch panel 151 can be implemented as a touch screen panel combined with display panel 161, which will be described later. In such an exemplary embodiment, touch panel 151 can be directly disposed on display panel 161 without requiring a separate base layer. In such an exemplary embodiment, touch panel 151 can be referred to as a touch sensing unit, input sensing unit, touch sensor, etc.

[0076] The (digital) pen sensor 152 may be part of the touch panel 151, or may include a separate recognition piece. The button 153 may include a physical button, an optical button, or a keypad.

[0077] Display 160 may be a liquid crystal display (LCD), a light-emitting diode (LED) display, an organic light-emitting diode (OLED) display, a microelectromechanical system (MEMS) display, or an electronic paper display. Display 160 may include a display panel 161 for displaying various content (e.g., images, text, video, icons, or symbols) to a user, and control circuitry for controlling the display panel 161.

[0078] Display panel 161 can be implemented as a touchscreen panel combined with touch panel 151. The touchscreen panel can receive touch input, gesture input, proximity input, or hover input using a part of the user's body. In the exemplary embodiment below, it is assumed that the touch of the user's body is sensed by using a touchscreen panel in which touch panel 151 and display panel 161 are integrated.

[0079] The power management module 170 can manage the power of the terminal 100. In an exemplary embodiment, the power management module 170 may include a power management integrated circuit (PMIC), a charging IC, or a battery meter or fuel meter.

[0080] The PMIC can have wired and / or wireless charging solutions. Wireless charging solutions can include magnetic resonance solutions, magnetic induction solutions, electromagnetic wave solutions, etc. The PMIC can include circuitry for wireless charging, such as a coil antenna, resonant circuitry, or rectifier. When using a wireless charging solution, the PMIC can charge the battery 180 using the electromotive force induced from the coil antenna by an external wireless charging device. In various exemplary embodiments, the coil antenna can be used for wireless charging as well as for measuring a user's body. This exemplary embodiment is described in more detail below with reference to the accompanying drawings. The battery meter can measure the remaining charge of the battery 180, voltage, current, or temperature during charging.

[0081] Battery 180 may include a rechargeable battery and / or a solar cell.

[0082] Figure 2 This is a schematic side view of an exemplary embodiment of a terminal according to the principles of the present invention. Figure 2 The stacking relationship of the function panels and / or function units configured in the terminal 100 is schematically shown to illustrate the configuration of the terminal 100. Figure 3 yes Figure 2 A plan view of an exemplary embodiment of the touch panel shown.

[0083] Reference Figure 2 The terminal 100 may include a display panel 161 and a touch panel 151 that overlap each other in the thickness direction DR3. The display panel 161 and the touch panel 151 may be connected to each other to form a touch screen panel.

[0084] Terminal 100 may also include an anti-reflective layer RPP and a window WP. The configuration of at least some of the display panel 161, touch panel 151, anti-reflective layer RPP and window WP can be formed by a continuous process or can be joined together by an adhesive component OCA.

[0085] exist Figure 2 In this embodiment, the optically transparent adhesive member is exemplarily shown as the adhesive member OCA, but the spirit of this disclosure is not limited thereto, and common adhesives can be used as the adhesive member OCA. The antireflective layer RPP and the window WP can be replaced with different configurations or can be omitted.

[0086] Display panel 161 can display images. Display panel 161 can be a light-emitting display panel, but is not limited to this. For example, display panel 161 can be an organic light-emitting display panel or a quantum dot light-emitting display panel. The light-emitting layer of an organic light-emitting display panel can include organic light-emitting materials. The light-emitting layer of a quantum dot light-emitting display panel can include quantum dots, quantum rods, etc.

[0087] Touch panel 151 senses user touch. For example, touch panel 151 can obtain coordinate information of the input touch.

[0088] Touch panel 151 can be directly disposed on display panel 161. In various exemplary embodiments, the phrase "configuration B is directly disposed on configuration A" can mean that no separate adhesive layer / adhesive member is disposed between configuration A and configuration B. For example, configuration B can be formed on the substrate surface provided by configuration A through a continuous process after configuration A is formed. In such exemplary embodiments, touch panel 151 can be referred to as touch sensing unit, input sensing unit, touch sensor, etc. When touch panel 151 is directly disposed on the substrate surface provided by display panel 161, a separate base layer can be omitted from touch panel 151, thereby reducing the thickness of terminal 100.

[0089] However, the exemplary embodiments are not limited thereto. That is, in various exemplary embodiments, the touch panel 151 can be implemented as a panel including a base layer and can be attached to the display panel 161 by an adhesive layer. The base layer may include, for example, a synthetic resin film, a composite material film, a glass substrate, etc.

[0090] In various exemplary embodiments, the touch panel 151 may include electrodes IE (e.g., IE1 and IE2), signal lines connected to the electrodes IE, and at least one insulating layer for insulation between the electrodes IE and / or the signal lines. Figure 3 As shown, the electrode IE may include a first electrode IE1 and a second electrode IE2 arranged to intersect each other. For example, the first electrode IE1 is arranged along a first direction DR1, and each of the first electrodes IE1 extends along a second direction DR2. The second electrode IE2 is arranged along the second direction DR2, and each of the second electrodes IE2 extends along the first direction DR1.

[0091] In an exemplary embodiment, the first electrode IE1 can operate as a driving electrode, and the second electrode IE2 can operate as a sensing electrode. Alternatively, the first electrode IE1 can operate as a sensing electrode, and the second electrode IE2 can operate as a driving electrode. The driving electrode can be electrically connected to the driving circuit 111, and the sensing electrode can be electrically connected to the sensing circuit 112. The driving circuit 111 and the sensing circuit 112 can be provided in at least one of the display panel 161 and the processor 110. Alternatively, a portion of the driving circuit 111 and the sensing circuit 112 can be disposed in the display panel 161, while the remainder can be disposed in the processor 110. The driving circuit 111 and the sensing circuit 112 can be provided independently of each other or at least partially integrated.

[0092] The drive electrodes can receive drive signals from the drive circuit 111. In exemplary embodiments, drive signals can be provided to the drive electrodes simultaneously or sequentially. In various exemplary embodiments, depending on the mode of terminal 100, only a portion of the drive electrodes can receive drive signals.

[0093] When a drive signal is applied to the drive electrode, a sensing signal corresponding to the drive signal is output from each of the sensing electrodes through the coupling of capacitor C. For example, when a touch input is applied to the touch panel 151, a sensing signal from a sensing electrode located near the touch input can be input to the sensing circuit 112.

[0094] The above description illustrates an exemplary embodiment in which the touch panel 151 senses touch input using a capacitive method. However, the exemplary embodiment is not limited thereto, and in various exemplary embodiments, the touch panel 151 may sense touch input using electromagnetic induction or pressure sensing methods, etc.

[0095] Capacitive methods for sensing touch input can include mutual capacitance methods and self-capacitance methods. For example, an electrode IE can sense touch input using both mutual capacitance and / or self-capacitance methods. Alternatively, the electrode IE can sense touch input during a first cycle using a mutual capacitance method and during a second cycle following the first cycle using a self-capacitance method.

[0096] On the other hand, in Figure 3 Although the electrodes IE are shown as extended lines, the exemplary embodiments are not limited thereto. That is, in various exemplary embodiments, each of the electrodes IE may consist of a polygonal (e.g., rhomboid) sensor portion and a connecting portion that connects the sensor portions to each other. In such an exemplary embodiment, the sensor portions of the first electrode IE1 and the second electrode IE2 may be formed on the same layer among the multiple layers included in the touch panel 151. In this case, the connecting portion of the first electrode IE1 and the connecting portion of the second electrode IE2 may intersect each other. Here, either the connecting portion of the first electrode IE1 or the connecting portion of the second electrode IE2 may be configured as a bridge structure disposed on different layers and may connect the sensor portions to each other. There are no particular limitations on the shape and configuration of the electrodes IE.

[0097] In various exemplary embodiments, the touch panel 151 can also be used for user body measurements. This is achieved when current is applied to driving electrodes or as described later. Figure 4 and Figure 5When the coil components of the coil antenna 171, etc., form an electric field around the terminal 100, eddy currents can be induced in the body of a user approaching the terminal 100. Therefore, coupling corresponding to the capacitance C of the eddy currents can occur between the driving electrode (e.g., IE1) and the sensing electrode (e.g., IE2). That is, the eddy currents can affect the capacitance C between the driving electrode (e.g., IE1) and the sensing electrode (e.g., IE2). Thus, a sensing signal based on the coupling of capacitance C can be output from the touch panel 151. The eddy currents sensed by the user's body can vary depending on the user's body composition. Body composition can include at least one of the following: for example, body fat mass, body water mass, muscle mass, protein mass, and inorganic matter mass. Therefore, the user's body composition can be analyzed based on the changes in capacitance C sensed by the touch panel 151.

[0098] The antireflective layer RPP reduces the reflectivity of external light incident from above the window WP. The antireflective layer RPP may include a phase retarder and a polarizer. The phase retarder may be a film type or a liquid crystal coating type, and may include a λ / 2 phase retarder and / or a λ / 4 phase retarder. The polarizer may also be a film type or a liquid crystal coating type. The film type may include a stretched synthetic resin film, and the liquid crystal coating type may include liquid crystals arranged in a predetermined layout. The phase retarder and polarizer may also include a protective film. The phase retarder and polarizer or protective film may be defined as the base layer of the antireflective layer RPP.

[0099] A window WP can be configured to protect the lower layer from external dust or moisture. A window WP can include an organic substrate, a synthetic resin film, etc. A window WP can also include functional coatings such as anti-fingerprint layers, anti-reflective layers, and hard coatings.

[0100] In an exemplary embodiment, a single or multiple protective layer may be provided beneath the display panel 161. The protective layer and the display panel 161 may be connected by an adhesive layer.

[0101] Figure 4 This is a schematic side view of another exemplary embodiment of a terminal constructed according to the principles of the present invention. Figure 5 Such as Figure 4 A plan view of another exemplary embodiment of the coil component of the coil antenna shown.

[0102] Figure 4 The terminal 100' shown is Figure 2 The terminal 100 shown is basically the same as that shown, except that... Figure 2 Compared to the terminal 100 shown, terminal 100' also includes a coil component such as a coil antenna 171. Therefore, in the description Figure 4 When terminal 100' is shown, with Figure 2Components of the terminal 100 shown are identical or similar to those shown in the figures, and detailed descriptions thereof will be omitted.

[0103] like Figure 4 As shown, the coil antenna 171 can be disposed within the terminal 100'. In an exemplary embodiment, the coil antenna 171 can be disposed below the display panel 161 in the terminal 100'.

[0104] The coil antenna 171 can have the following characteristics: Figure 5 The loop shape shown is not limited to this, and can have a spiral, toroidal, or zigzag shape. Furthermore, depending on the assembly, the coil antenna 171 can be an air-core coil or a core-type coil. An air-core coil is a coil in which the interior of the cylinder is kept hollow by winding wire and has no magnetic core in the center, and is configured such that electricity flows around the axis of the empty cylinder. A core-type coil is a rod-shaped or E-shaped coil in which the winding wire is wound around a cylindrical core.

[0105] In an exemplary embodiment, an induced electromotive force can be generated in the coil antenna 171 by an external wireless charging device or the like. Figure 9 The rectifier 172, which is electrically connected to the coil antenna 171, can rectify the current received based on the induced electromotive force generated in the coil antenna 171 to supply power to the battery 180 and the like. Therefore, the coil antenna 171 can be used for wireless charging.

[0106] In various exemplary embodiments, in addition to wireless charging, the coil antenna 171 can also be used for user body measurements. In such an exemplary embodiment, the coil antenna 171 can... Figure 9 The signal generator 173, etc., connected to the coil antenna 171 shown, receives a current (i.e., a predetermined AC current) having a predetermined amplitude and / or frequency. The current applied to the coil antenna 171 can create an electric field around the coil antenna 171. The created electric field can induce eddy currents in the body of a user near the terminal 100', which can determine the degree of change in capacitance C sensed by the touch panel 151. The eddy currents sensed in the user's body can vary depending on the user's body composition. Body composition can include at least one of, for example, body fat mass, body water mass, muscle mass, protein mass, and inorganic matter mass. Therefore, the user's body composition can be analyzed based on the change in capacitance C sensed by the touch panel 151.

[0107] Depending on the operating state of the coil antenna 171, the coil antenna 171 can be electrically connected to Figure 9 The rectifier 172 shown, etc., can be electrically connected to Figure 9 The signal generator 173 shown is an example. For this purpose, a signal generator 173, etc., can be provided. Figure 9The switch unit SW shown is used to control the electrical connection between the coil antenna 171, rectifier 172, etc., and the signal generator 173, etc. The switch unit SW can be controlled by the processor 110, but this disclosure is not limited thereto.

[0108] exist Figure 4 In this document, the coil antenna 171 used for wireless charging is described as a representative exemplary implementation, but the exemplary implementation is not limited thereto. That is to say, Figure 4 The coil antenna 171 shown may be another coil disposed in the RF antenna, (digital) pen sensor 152, etc., or may be replaced by these.

[0109] The method for controlling the terminal, which includes the aforementioned measurement of the user's body composition, will be described in more detail below.

[0110] Figure 6 This is a flowchart of a method for controlling a terminal according to an exemplary embodiment of the present invention.

[0111] Reference Figure 6 Terminal 100 can operate in a first mode (601). The first mode can be, for example, the normal operating state of terminal 100, or a standby mode.

[0112] In the first mode, the touchscreen panel can be operated to sense user touch input. For example, in the first mode, a drive signal can be applied to the first electrode IE1 of the touchscreen panel 151, and the sensing signal output from the second electrode IE2 can be analyzed. That is, the first mode can correspond to the first cycle of sensing user touch input. Thus, the first mode can be a sensing mode.

[0113] Furthermore, in the first mode, the coil antenna 171 can be controlled to supply power to the terminal 100 depending on whether the coil antenna 171 is electrically connected to the wireless charging device. For example, in the first mode, the coil antenna 171 can be connected to a rectifier 172, etc., and when an induced electromotive force is generated by the wireless charging device, the coil antenna 171 can send the generated induced electromotive force to the rectifier 172, etc.

[0114] When operating in the first mode, the terminal 100 can sense a body composition measurement event (602). The body composition measurement event can occur through the execution of an application related to body composition measurement, user input corresponding to a body composition measurement request, touch input at two or more points on the touchscreen panel, etc. Here, user input can be generated by an application related to body composition measurement, or it can be sensed by an input device 150, etc., provided in the terminal 100.

[0115] When a body composition measurement event is detected, terminal 100 can operate in a second mode (603). The second mode may include, for example, a body composition measurement performance state. That is, the second mode may correspond to a second cycle of measuring the user's body composition. Thus, the second mode can be a measurement mode.

[0116] In the second mode, terminal 100 can measure a user's body composition via a touchscreen panel. For example, processor 110 can provide a drive signal to a first group of first electrodes IE1 in touchscreen panel 151 and receive a sensing signal output from a second group of first electrodes IE1. Processor 110 can determine the change in capacitance C between the first group and the second group of first electrodes IE1 based on the sensing signal, and analyze body composition based on the determined capacitance C. For example, when an electric field is formed around terminal 100 by providing a drive signal to the first group of first electrodes IE1, eddy currents can be sensed in the body of a user approaching terminal 100. Therefore, coupling corresponding to capacitance C of eddy currents may occur between the first electrodes IE1 of the first group (i.e., the drive electrode) and the first electrodes IE1 of the second group (i.e., the sensing electrode). That is, eddy currents can affect capacitance C between the drive electrode and the sensing electrode. Thus, the sensing signal obtained from the coupling of capacitance C can be output from touchscreen panel 151, and processor 110 can analyze body composition based on the determined capacitance C.

[0117] In another exemplary embodiment, terminal 100 can use the second electrode IE2 in touch panel 151 to measure body composition. That is, processor 110 can provide a drive signal to a first set of the second electrodes IE2 in touch panel 151 and receive a sensing signal output from a second set of the second electrodes IE2. Processor 110 can determine the change in capacitance C between the first and second sets of the second electrodes IE2 based on the sensing signal, and analyze body composition based on the determined capacitance C.

[0118] Alternatively, in a second mode, terminal 100 can measure a user's body composition via coil antenna 171 and touchscreen panel. For example, processor 110 can apply a current (i.e., a predetermined AC current) with a predetermined amplitude and / or frequency to coil antenna 171. The current applied to coil antenna 171 can create an electric field around coil antenna 171. The created electric field can induce eddy currents in the body of a user near terminal 100. Furthermore, processor 110 can provide a drive signal to a drive electrode (e.g., IE1) in touchscreen panel 151 and receive a sensing signal output from a sensing electrode (e.g., IE2). Processor 110 can determine the change in capacitance C between the drive electrode and the sensing electrode based on the sensing signal, and analyze body composition based on the determined capacitance C. In such an exemplary embodiment, coil antenna 171 can generate a magnetic field instead of the electrode receiving the drive signal in the above exemplary embodiment.

[0119] When body composition is measured in the different ways described above, terminal 100 can derive body composition from changes in capacitance C using different algorithms. The method for measuring body composition of terminal 100 in the second mode will be described in more detail below.

[0120] Terminal 100 can sense a body composition measurement completion event (604). The body composition measurement completion event can be generated based on the completion of body composition measurement, user input corresponding to a body composition measurement completion request, or the end of at least one touch input at two or more points on the touchscreen panel. Here, user input can be generated by an application related to body composition measurement, or it can be sensed by an input device 150 or similar device provided in terminal 100.

[0121] When a body composition measurement completion event is sensed, terminal 100 can sense a power outage event (605) based on a power interruption, user input, etc. When no power outage event is sensed, terminal 100 can resume operation in the first mode (601).

[0122] Terminal 100 may repeat the above operation until a power failure event (605) is sensed based on power interruption, user input, etc. Figure 6 The example illustrates that terminal 100 determines whether a power outage event is sensed when operating in a first mode or after sensing a body composition measurement completion event; however, the exemplary implementation is not limited thereto. That is, when terminal 100 performs… Figure 6In the case of the operation shown, for example, when the terminal 100 is operating in the second mode, the terminal 100 can terminate the above operation when a power failure event is detected at any time.

[0123] Figure 7 This is a flowchart of a method for controlling a terminal according to another exemplary embodiment of the present invention.

[0124] Reference Figure 7 During the first cycle, terminal 100 can control the touchscreen panel (701) in a first mode. Specifically, processor 110 can control the touchscreen panel to operate for touch input sensing in the first mode. That is, the first mode can correspond to a first cycle for sensing user touch input. Thus, the first mode can be a sensing mode.

[0125] In the first mode, the processor 110 can apply a drive signal to the drive electrode (e.g., the first electrode IE1) of the touch panel 151 and can receive a sensing signal output from a sensing electrode (e.g., the second electrode IE2). The processor 110 can sense touch input by analyzing the received sensing signal.

[0126] When the first cycle ends (702), the terminal 100 can control the touchscreen panel in a second mode during the second cycle (703). Specifically, the processor 110 can control the touchscreen panel to operate for body composition measurement in the second mode. That is, the second mode can correspond to a second cycle for measuring the user's body composition. Thus, the second mode can be a measurement mode.

[0127] In the second mode, the processor 110 can provide a drive signal to a first group of first electrodes IE1 in the touch panel 151 and receive a sensing signal output from a second group of first electrodes IE1. The processor 110 can determine the capacitance C between the first group and the second group of first electrodes IE1 based on the sensing signal, and analyze body composition based on the determined capacitance C.

[0128] In another exemplary embodiment, terminal 100 can use the second electrodes IE2 in touch panel 151 to measure body composition. That is, processor 110 can provide drive signals to a first group of the second electrodes IE2 in touch panel 151 and receive sensing signals output from a second group of the second electrodes IE2. Processor 110 can determine the capacitance C between the first group of second electrodes IE2 and the second group of second electrodes IE2 based on the sensing signals, and analyze body composition based on the determined capacitance C.

[0129] When the second cycle ends (704), the terminal 100 can sense a power failure event based on a power interruption, user input, etc. (705). When no power failure event is sensed, the terminal 100 can again control the touch screen panel in the first mode during the first cycle (701).

[0130] Terminal 100 can repeat the above operation until it senses a power failure event (705) based on power interruption, user input, etc. Figure 7 This illustrates how terminal 100 determines whether a power outage event is sensed after the second cycle, but the exemplary implementation is not limited thereto. That is, when in... Figure 7 During the operation shown, for example during the first cycle, the terminal 100 may terminate the above operation if a power failure event is sensed at any time.

[0131] This exemplary implementation can be applied to, for example, Figure 2 The terminal 100 shown does not provide a coil antenna 171. However, the exemplary embodiment is not limited to this, and such exemplary embodiments can also be applied to, for example... Figure 4 The terminal 100' shown is provided with a coil antenna 171. In such an exemplary embodiment, the coil antenna 171 may be used solely for wireless charging, or it may be further used for functions other than body composition measurement. Alternatively, in such an exemplary embodiment, the coil antenna 171 may replace the touchscreen panel for body composition measurement, or may be used for body composition measurement in addition to the touchscreen panel, depending on the circumstances.

[0132] In another aspect, in various exemplary embodiments, the touch panel 151 can sense touch input using a mutual capacitance method during a first cycle (i.e., in a first mode) and can sense touch input using a self-capacitance method during a second cycle (i.e., in a second mode). However, exemplary embodiments are not limited thereto.

[0133] Figure 8 yes Figure 7 The flowchart shown is an exemplary implementation of a method for controlling a terminal in a second mode. Figure 9 It is a description Figure 8 A figure showing an exemplary implementation of a method for controlling a terminal. Figure 8 and Figure 9 The method of measuring body composition using coil antenna 171 and touch screen panel is shown.

[0134] Reference Figure 9Before operating in the second mode, i.e., in the first mode, the coil antenna 171 can be electrically connected to the rectifier 172 by turning on the first switch SW1 and turning off the second switch SW2. The rectifier 172 can receive the current induced in the coil antenna 171 and can cause current of a specific frequency band to pass through it through resonance. The current output by the rectifier 172 can also be controlled by another control circuit configured in the PMIC, and can be supplied to a power source, such as a battery 180.

[0135] Reference Figure 8 and Figure 9 In the second mode, the processor 110 can electrically connect the coil antenna 171 to the signal generator 173 (801) by turning on the second switch SW2 and turning off the first switch SW1. That is, the processor 110 can apply current to the coil antenna 171.

[0136] The processor 110 can control the switching unit SW disposed between the coil antenna 171, the rectifier 172, and the signal generator 173, to electrically disconnect the coil antenna 171 and the rectifier 172 by opening the first switch SW1 and to electrically connect the coil antenna 171 and the signal generator 173 by opening the second switch SW2. Therefore, current can be applied to the coil antenna 171 by the signal generator 173.

[0137] Processor 110 can apply current to coil antenna 171 (802) via signal generator 173. In an exemplary embodiment, signal generator 173 may include an oscillator that generates an electrical signal of a predetermined frequency. Alternatively, signal generator 173 may include a pulse width modulation (PWM) device and a DC-AC converter that generate an electrical signal of a predetermined frequency. Thus, the DC signal generated by the PWM device can be converted into an AC signal of a predetermined frequency by the DC-AC converter.

[0138] In the second mode, the frequency of the AC signal applied to the coil antenna 171 can be set to a value suitable for body composition measurement. For example, the frequency of the AC signal applied to the coil antenna 171 in the second mode can be at least one frequency in the range of tens of kHz to several MHz. In an exemplary embodiment, the frequency of the AC signal can be at least one of 50 kHz, 125 kHz, and 250 kHz, but this disclosure is not limited thereto. In various exemplary embodiments, the frequency of the AC signal applied to the coil antenna 171 can vary depending on the type of body composition to be measured.

[0139] When an AC signal is applied to the coil antenna 171, an electric field (and / or magnetic field) can be generated around the coil antenna 171. The electric field around the coil antenna 171 can induce eddy currents in the body of a user approaching the terminal 100.

[0140] Processor 110 can apply a drive current to the drive electrodes of touch panel 151 disposed in the touch panel, such as the first electrode IE1 (803). The drive current can be applied to the first electrode IE1 before the coil antenna 171 and signal generator 173 are electrically connected to each other. In various exemplary embodiments, the drive current can be applied to the first electrode IE1 simultaneously. Since the position of the body in contact with touch panel 151 may not be determined during body composition measurement, the drive current can be applied to the first electrode IE1 simultaneously, rather than sequentially. However, exemplary embodiments are not limited to this.

[0141] The processor 110 can receive sensing signals (804) output from sensing electrodes (e.g., second electrode IE2) disposed on the touch panel 151 in the touch screen panel. The processor 110 can analyze the user's body composition based on the sensing signals (805).

[0142] The sensing signal may include information about the capacitance C formed between the first electrode IE1 and the second electrode IE2. The capacitance C can vary according to the electrical characteristics of the user's body in contact with the touchscreen panel, and these electrical characteristics can be determined based on eddy currents induced by the electric field of the coil antenna 171. These eddy currents can vary based on the user's body composition, which may be, for example, at least one of body fat mass, body water mass, muscle mass, protein mass, and inorganic matter mass. Therefore, the user's body composition can be analyzed based on the information about the capacitance C of the sensing signal output from the second electrode IE2.

[0143] In various exemplary embodiments, during the second mode, the processor 110 can control the touch panel 151 using a self-capacitance method. That is, the processor 110 can apply a drive current to the first electrode IE1 and the second electrode IE2, and receive sensing signals output from each of the first electrode IE1 and / or the second electrode IE2 to analyze body composition based on the capacitance C between the first electrode IE1 and / or the second electrode IE2 and the body. The self-capacitance method allows for more precise measurement of changes in capacitance C for large-area physical contact and can improve the accuracy of body composition analysis.

[0144] In various exemplary embodiments, the processor 110 may perform correction on the value of capacitance C determined from the sensing signal. For example, the processor 110 may correct the value of capacitance C based on the temperature and / or humidity of the temperature / humidity sensor 147 disposed in the sensor module 140. Since capacitance C typically increases with increasing operating temperature of the capacitor, the value of capacitance C of the touch panel 151 may not be accurately measured when the terminal 100 operates at high temperatures. Therefore, the processor 110 may apply an arbitrary coefficient corresponding to the temperature value measured by the temperature / humidity sensor 147 to the value of capacitance C determined based on the sensing signal to correct the value of capacitance C. Alternatively, for example, the processor 110 may correct for variations in the value of capacitance C by means of a protective film or the like attached to the surface of the terminal 100. Alternatively, for example, the processor 110 may correct the value of capacitance C based on parasitic effects that may occur in the touch panel 151 (e.g., low-ground mass effect). The correction of the value of capacitance C according to this disclosure is not limited to those described above.

[0145] In the above description, terminal 100 uses a coil antenna 171 for wireless charging to measure body composition. However, the exemplary embodiments are not limited thereto. That is, in various other exemplary embodiments, instead of the coil antenna 171 for wireless charging, terminal 100 may use other coil-type antennas that can induce an electric field (or magnetic field) in the vicinity to measure body composition, such as coils disposed in RF antennas or (digital) pen sensors 152.

[0146] Terminal 100 can output the analyzed body composition to the user via a display 160 or the like. For example, processor 110 can visually output the measured body composition in various forms such as text, images, emoticons, charts, and tables. Alternatively, processor 110 can audibly output the measured body composition via voice, sound, or the like.

[0147] Figure 10 yes Figure 7 The flowchart shown is another exemplary embodiment of the method for controlling the terminal in the second mode. Figures 11 to 13 It is a description Figure 10 A figure showing an exemplary implementation of a method for controlling a terminal. Figures 10 to 13 This demonstrates a method for measuring body composition using a touchscreen panel.

[0148] Before operating in the second mode, i.e., in the first mode, the processor 110 can use the first electrode IE1 and the second electrode IE2 of the touch panel 151 to sense touch input. For example, the processor 110 can apply a drive current to the first electrode IE1 and use the sensing signal output from the second electrode IE2 to detect the location where the touch input was generated. In other words, the first mode can correspond to the first cycle of sensing the user's touch input. Thus, the first mode can be a sensing mode.

[0149] Reference Figure 10 In the second mode, the processor 110 can use either the first electrode IE1 or the second electrode IE2 of the touch panel 151 to measure body composition. For example, as Figure 11 As shown in (1001), the processor 110 can apply a drive signal to the first set of G1 of the first electrode IE1. In another exemplary embodiment, as Figure 12 As shown, the processor 110 can also apply a drive signal to the first group G1 of the second electrode IE2. That is, the second mode can correspond to the second cycle of measuring the user's body composition. Thus, the second mode can be a measurement mode.

[0150] The first group G1 of the first electrode IE1 may include a portion of the first electrode IE1 disposed in the touch panel 151. The first group G1 of the first electrode IE1 may include a plurality of first electrodes IE1 disposed adjacent to each other as a portion of the first electrode IE1.

[0151] The processor 110 can apply a drive current to the first electrode IE1 included in the first group G1. In an exemplary embodiment, a drive current for the first group G1 can be applied simultaneously to the first electrode IE1 included in the first group G1. Therefore, the first electrode IE1 constituting the first group G1 can operate as a single drive electrode with a large area.

[0152] In various exemplary embodiments, the drive current applied to the first group G1 during the second mode may be a current whose amplitude (or level) is less than the drive current applied to the touch panel 151 during the first mode and / or whose frequency is lower than the drive current applied to the touch panel 151 during the first mode. Therefore, the effect of the electric field and / or current on the user's body can be minimized because the strength of the electric field acting on the user's body and / or the current through the user's body is reduced.

[0153] When a driving current is applied to the first electrode IE1 included in the first group G1, an electric field E-field can be formed between the first group G1 and the second group G2. For example... Figure 13As shown, the electric field E-field can be applied to the body B of a user near the terminal 100 to induce eddy currents.

[0154] The processor 110 can receive sensing signals (1002) output from the second group G2 of the first electrode IE1. The second group G2 may include the portion other than the first group G1 of the first electrode IE1 disposed in the touch panel 151. The second group G2 may include a plurality of first electrodes IE1 disposed adjacent to each other, excluding the first group G1 of the first electrode IE1.

[0155] The first group G1 and the second group G2 of the first electrode IE1 can be arranged to be spaced apart from each other. That is, at least one other first electrode IE1 can be disposed between the first electrode IE1 constituting the first group G1 and the first electrode IE1 constituting the second group G2. In the following text, the first electrode IE1 other than the first group G1 and the second group G2 is referred to as the third group G3.

[0156] During the second mode, the first electrode IE1 constituting the third group G3 can be controlled as a ground electrode or as a floating electrode. For example, the processor 110 can apply a current corresponding to the ground voltage to the first electrode IE1 of the third group G3 during the second mode. Here, the current applied to the first electrode IE1 of the third group G3 can have a different amplitude (or level) than the drive current applied to the first electrode IE1 of the first group G1.

[0157] Alternatively, for example, the processor 110 may not apply current to the first electrode IE1 of the third group G3 during the second mode. In such an exemplary embodiment, the first electrode IE1 of the third group G3 may be floating.

[0158] When the third group G3, either grounded or floating, is positioned between the first group G1 and the second group G2, better separation between the first electrode IE1 of the first group G1 and the first electrode IE1 of the second group G2 can be achieved. As a result, the electric field E-field between the first group G1 and the second group G2, as well as the capacitance C determined by the electric field E-field, can be measured more accurately. Furthermore, since the first group G1 and the second group G2 are sufficiently spaced apart from each other, the electric field E-field can have a wide range to penetrate the muscle tissue of the user's body B.

[0159] Since the driving signal is simultaneously applied to multiple first electrodes IE1 of the first group G1, the processor 110 can simultaneously receive sensing signals from multiple first electrodes IE1 of the second group G2. That is, the multiple first electrodes IE1 constituting the second group G2 can operate as a single sensing electrode with a large area.

[0160] The processor 110 can analyze the user's body composition based on the sensing signals (1003).

[0161] The sensing signal includes information about the capacitance C of the electric field E-field formed between the first electrode IE1 of the first group G1 and the first electrode IE1 of the second group G2. The capacitance C can vary according to the electrical characteristics of the user's body B in contact with the touchscreen panel, and the electrical characteristics of the user's body B can be determined based on the eddy currents induced by the electric field E-field of the first group G1. These eddy currents can vary based on the user's body composition, such as at least one of body fat mass, body water mass, muscle mass, protein mass, and inorganic matter mass. Therefore, the user's body composition can be analyzed based on the sensing signal output from the first electrode IE1 of the second group G2.

[0162] In various exemplary embodiments, the processor 110 may perform correction on the value of capacitance C determined based on the sensing signal. For example, the processor 110 may correct the value of capacitance C based on the temperature and / or humidity of the temperature / humidity sensor 147 disposed in the sensor module 140. Since capacitance C typically increases with increasing operating temperature of the capacitor, the value of capacitance C of the touch panel 151 may not be accurately measured when the terminal 100 operates at high temperatures. Therefore, the processor 110 may apply an arbitrary coefficient corresponding to the temperature value measured by the temperature / humidity sensor 147 to the value of capacitance C determined from the sensing signal to correct the value of capacitance C. Alternatively, for example, the processor 110 may correct for variations in the value of capacitance C by means of a protective film or the like attached to the surface of the terminal 100. Alternatively, for example, the processor 110 may correct the value of capacitance C based on parasitic effects (e.g., low grounding quality effects) that may occur in the touch panel 151. The correction of the value of capacitance C according to this disclosure is not limited to those described above.

[0163] When measuring body composition using the first electrode IE1, a drive signal may not be applied to the second electrode IE2, and a sensing signal may not be output from the second electrode IE2. Alternatively, when measuring body composition using the first electrode IE1, a current corresponding to the voltage to ground may be applied to the second electrode IE2. However, this disclosure is not limited thereto.

[0164] Terminal 100 can output the analyzed body composition to the user via a display 160 or the like. For example, processor 110 can visually output the measured body composition in various forms such as text, images, emoticons, charts, and tables. Alternatively, processor 110 can audibly output the measured body composition via voice, sound, or the like.

[0165] On another front, in the above description, body composition is measured using the first electrode IE1 of the touch panel 151. However, the exemplary embodiments are not limited thereto. That is, in various other exemplary embodiments, it is possible to use... Figure 12 As shown, the second electrode IE2 of the touch panel 151 is used to measure body composition.

[0166] In other words, the processor 110 can apply a drive signal to the first group G1 of the second electrode IE2 during the second mode, and use the sensing signal output from the second group G2 of the second electrode IE2 to analyze body composition. A third group G3, including at least one second electrode IE2, can be disposed between the first group G1 and the second group G2 of the second electrode IE2. During the second mode, a current corresponding to the voltage to ground can be applied to the second electrode IE2 constituting the third group G3, or no current can be applied to the second electrode IE2 constituting the third group G3.

[0167] When the processor 110 uses the second electrode IE2 to measure body composition, it may not provide a drive signal to the first electrode IE1, or it may apply a current corresponding to the voltage to ground to the first electrode IE1.

[0168] In various exemplary embodiments, normal touch input sensing of the touch panel 151 can be interrupted during operation in the second mode. That is, during the second mode, the electrodes IE of the touch panel 151 can be driven to perform the body composition measurement as described above, and the position of touch input, etc., can be not sensed. However, the exemplary embodiments are not limited to this, and in various other exemplary embodiments, the touch panel 151 can perform touch input sensing during operation in the second mode. In such an exemplary embodiment, the touch panel 151 can be driven to perform body composition measurement during a first cycle and perform touch input sensing using a time-division method during a second cycle. However, the exemplary embodiments are not limited to this.

[0169] Figure 14 yes Figure 7 The flowchart shown is another exemplary embodiment of the method for controlling a terminal in a second mode.

[0170] exist Figure 14 In, with Figure 8 and Figure 9 Compared to the exemplary implementation, where the touchscreen panel generates an electric field nearby and the coil antenna 171 outputs a sensing signal, this alternatively generates an electric field nearby and the touchscreen panel outputs a sensing signal. This will be described in detail below.

[0171] Let's refer to each other. Figure 9Prior to operation in the second mode, i.e., in the first mode, the coil antenna 171 can be electrically connected to the rectifier 172. The rectifier 172 can receive the current induced by the coil antenna 171 and can cause current of a specific frequency band to pass through it via resonance. The current output by the rectifier 172 can also be controlled by another control circuit configured in the PMIC, and can be supplied to a power source, such as a battery 180.

[0172] Although not shown, rectifier 172 may be further electrically connected to processor 110.

[0173] Furthermore, in the first mode, the processor 110 can use the first electrode IE1 and the second electrode IE2 of the touch panel 151 to sense touch input. For example, the processor 110 can apply a driving current to the first electrode IE1 and use the sensing signal output from the second electrode IE2 to detect the location where the touch input occurred.

[0174] Reference Figure 14 In the second mode, the processor 110 can apply a driving current to all or a portion (1301) of the first electrode IE1 and / or the second electrode IE2 of the touch panel 151. The driving current applied to the electrode IE in the second mode can be controlled to have a lower intensity and / or frequency value than the driving current applied to the electrode IE in the first mode.

[0175] When a driving current is applied to all or part of the first electrode IE1 and / or the second electrode IE2, an electric field can be formed around the touch panel 151. The electric field around the touch panel 151 can induce eddy currents in the user's body as it approaches the terminal 100. The strength and / or direction of the electric field around the touch panel 151 can be changed by the eddy currents in the user's body.

[0176] Changes in the electric field around the touch panel 151 can induce an electromotive force (EMF) in the coil antenna 171. The rectifier 172 can receive the induced EMF generated in the coil antenna 171 and transmit it to the processor 110. Here, the signal transmitted to the processor 110 can be in the form of a sensing signal corresponding to the induced EMF generated in the coil antenna 171.

[0177] The processor 110 can receive sensing signals via rectifier 172 based on the induced electromotive force of coil antenna 171 (1302), and can perform body composition analysis based on the received sensing signals (1303).

[0178] Figure 15 An exemplary embodiment of a terminal constructed according to the principles of the present invention is shown.

[0179] Reference Figure 15A user of terminal 100 can measure body composition by touching a portion of body B (e.g., a finger) to at least two points on a touchscreen panel. This exemplary implementation can be applied to reference... Figures 10 to 12 The exemplary implementation described herein is not limited thereto, and such exemplary implementation can be applied to a variety of other exemplary implementations.

[0180] In reference Figures 10 to 12 In an exemplary embodiment, the terminal 100 may first detect the touch position of the body B, and set the electrode IE corresponding to any one of the at least two points where the touch position is detected as the first group G1, and set the electrode IE corresponding to the other points as the second group G2.

[0181] However, in another exemplary embodiment, the electrodes IE of the first group G1 and the electrodes IE of the second group G2 can be preset. In such an exemplary embodiment, the user's body B is required to contact the touchscreen panel at a position corresponding to the electrodes IE included in the first group G1 and the electrodes IE included in the second group G2.

[0182] To encourage users to touch body B at the correct location, at least one UI, GUI, etc., can be displayed on the touchscreen panel to guide the touch point.

[0183] Figure 16 Another exemplary embodiment of a terminal constructed according to the principles of the present invention is shown.

[0184] Reference Figure 16 When a user makes a call using terminal 100 or by making a gesture, the large area of ​​the touchscreen panel can come into contact with the user's body. In such an exemplary embodiment, a user can easily perform body composition measurements simply by making a call or by taking a gesture to make a call.

[0185] Figure 17 This illustrates yet another exemplary embodiment of a terminal constructed according to the principles of the present invention.

[0186] Reference Figure 17 Users can measure body composition by bringing a part of body B into contact with the entire surface of the touchscreen panel of terminal 100. A part of body B can include various parts such as wrist, palm, arm, elbow, thigh, calf, shoulder, sole of shoe, heel, instep, ankle, waist, back, abdomen, hip, knee, neck, cheek, chin, and forehead.

[0187] For example, this exemplary implementation may be more suitable when terminal 100 is a wearable device. For example, when terminal 100 is implemented as a wearable device, a user can easily perform body composition measurements by wearing terminal 100 on an appropriate part of body B. However, this disclosure is not limited thereto.

[0188] As described above, in this disclosure, since body composition measurement can be performed using a coil antenna 171 for wireless charging and a touchscreen panel disposed in the terminal 100, body composition can be measured without adding a separate hardware configuration for body composition measurement. Furthermore, in this disclosure, body composition is measured using the coil antenna 171 of the touchscreen panel 151 and the electrodes IE, wherein the coil antenna 171 and the electrodes IE are not exposed to the outside of the terminal 100 and are installed within the terminal 100. Therefore, damage to the aesthetics of the terminal 100 due to external electrodes can be prevented, damage to the electrodes IE used for body composition measurement can be prevented, and electric shock to the user due to exposed external electrodes IE can be prevented.

[0189] While certain exemplary embodiments and examples have been described herein, other embodiments and modifications will be apparent from this description. Therefore, the inventive concept is not limited to such embodiments, but lies in the broader scope of the appended claims and various obvious modifications and equivalent layouts as will be apparent to those skilled in the art.

Claims

1. A measurement terminal comprising: a touch panel including first electrodes arranged in a first direction and second electrodes arranged in a second direction intersecting the first direction; a display panel attached to the touch panel and displaying an image; and a processor controlling the touch panel and the display panel, wherein, in a measurement mode, the processor is configured to: apply a drive signal to the touch panel, the touch panel being configured to form an electric field and / or a magnetic field upon application of the drive signal, and determine a body composition of a user based on a sense signal output from the touch panel according to eddy currents induced to a body of the user by the electric field and / or the magnetic field formed around the touch panel, in a sense mode, the processor is configured to apply a drive signal to the first electrodes and sense a touch input based on a sense signal output from the second electrodes, and the processor is configured to operate in the sense mode during a first period and operate in the measurement mode during a second period after the first period. the processor is configured to apply the drive signal to a first group of the first electrodes and receive the sense signal from a second group of the first electrodes.

2. The measurement terminal according to claim 1, wherein a third group of the first electrodes is disposed between the first group and the second group such that the first group and the second group are spaced apart from each other, wherein the third group includes at least one first electrode.

3. The measurement terminal according to claim 2, wherein in the measurement mode, the processor is configured to apply a current corresponding to a ground voltage to the third group of the first electrodes or not to apply a current to the third group.

4. The measurement terminal according to claim 3, wherein in the sense mode, the processor is configured to apply the drive signal to the first electrodes and sense a touch input based on the sense signal output from the second electrodes.

5. The measurement terminal according to claim 1, wherein the processor is configured to operate in the measurement mode when a body composition measurement event is sensed while operating in the sense mode.

6. The measurement terminal according to claim 5, wherein 7.A measurement terminal comprising: a touch panel having a plurality of electrodes; a display panel attached to the touch panel and displaying an image; a coil member disposed on a first surface of the display panel; and a processor controlling the touch panel, the display panel, and the coil member, wherein, in a measurement mode, the processor is configured to: apply a current to the coil member, the coil member being configured to form an electric field and / or a magnetic field upon application of the current, and determine a body composition of a user based on a sense signal output from the touch panel according to eddy currents induced to a body of the user by the electric field and / or the magnetic field formed around the coil member, in a sense mode, the processor is configured to apply a drive signal to first electrodes and sense a touch input based on a sense signal output from second electrodes, and the processor is configured to operate in the sense mode during a first period and operate in the measurement mode during a second period after the first period. the coil member includes a coil antenna, and the terminal further comprises: a signal generator for generating an electric signal having a predetermined frequency, ​ 8. The measurement terminal according to claim 7, wherein ​ ​ a rectifier that rectifies and outputs a received current; and a switching unit that electrically connects or disconnects between the signal generator, the rectifier, and the coil member.

9. The measurement terminal according to claim 8, wherein In the measurement mode, the processor is configured to control the switching unit to electrically connect the signal generator and the coil antenna.

10. The measurement terminal of claim 8, wherein, In the sensing mode, the processor is configured to control the switching unit to electrically connect the rectifier and the coil antenna, and the rectifier is configured to rectify and output a current received from the coil antenna by an induced electromotive force when the induced electromotive force is generated in the coil antenna.

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