WO2022255789A1

WO2022255789A1 - Electronic device comprising touch screen and operating method therefor

Info

Publication number: WO2022255789A1
Application number: PCT/KR2022/007777
Authority: WO
Inventors: 허훈도; 고승훈; 이동섭; 이민우
Original assignee: 삼성전자 주식회사
Priority date: 2021-06-04
Filing date: 2022-05-31
Publication date: 2022-12-08
Also published as: KR20220164431A

Abstract

An electronic device according to various embodiments comprises: at least one switch; a display panel comprising a plurality of pixel electrodes; a touchscreen panel connected to a display; a common electrode terminal between the display panel and the touchscreen panel; and at least one integrated circuit (IC), wherein the at least one IC is configured to: drive the display panel without driving the touchscreen panel, during a first period of a time period in which any one image frame is displayed through the display panel; and drive, without driving the display panel, the touchscreen panel by applying a touch driving signal to the touchscreen panel, during a second period of the time period, the second period being different from the first period, wherein the touch driving signal may have a first voltage of a first frequency.

Description

Electronic device including a touch screen and its operating method

Various embodiments relate to an electronic device including a touch screen and an operating method thereof.

Electronic devices (eg, smart phones, tablet PCs) including touch screens are being actively spread. A touch screen may generally be implemented with a display capable of displaying a screen and a touch sensing circuit (eg, a plurality of electrodes and a touch sensor integrated circuit (IC)) arranged to correspond to a position of the display. The display may be implemented in a liquid crystal display (LCD) method or an organic light emitting diode (OLED) method, and may be manufactured as a single package (eg, a display panel).

An electronic device including a touch screen may receive a touch input for a screen displayed on the touch screen. Alternatively, an electronic device including a full-touch screen may receive a hovering input for a screen displayed on the touch screen. The hovering function, when the stylus pen or finger approaches from the cover window (or cover glass) within a certain distance, even if there is no direct contact of the stylus pen or finger with respect to the cover window, by checking the position of the stylus pen or finger, AP It may mean a function that is delivered to (application processor). In the case where there is no direct contact of the stylus pen or the finger to the cover window, the magnitude (eg, capacitance change amount) of a signal detecting the hovering input may be relatively smaller than that in the case of direct contact.

In an electronic device including an OLED-type display, it may be important to secure a signal to noise ratio (SNR) for an input signal in order to detect a hovering input. To this end, a method of changing the driving voltage of the touch screen controller may be applied, but it may be difficult to secure an SNR required to accurately detect the hovering input.

In addition, an electronic device including an OLED type display may have difficulty in clearly distinguishing between a sensing value of a hovering input and display noise when display noise is large. For example, in an OLED-type display including a structure in which the distance between the pattern of the touch sensing circuit and the display panel is short (eg, Y-OCTA structure), the display noise clearly distinguishes the sensing value of the hovering input from the display noise. There are difficulties.

Various embodiments temporally separate a display driving period and a touch driving period, block noise induced by a common electrode, and further remove parasitic capacitance that may occur between the common electrode and a touch screen panel to generate a hovering input signal. It is possible to provide an electronic device and an operating method capable of securing an SNR for the same.

An electronic device according to various embodiments includes at least one switch, a display panel including a plurality of pixel electrodes, a touch screen panel connected to the display, a common electrode terminal between the display panel and the touch screen panel, and at least one An IC (integrated circuit), wherein the at least one IC operates the display panel without driving the touch screen panel during a first section of a time section displaying any one image frame through the display panel. and, during a second period different from the first period of the time period, a touch driving signal is applied to the touch screen panel without driving the display panel to drive the touch screen panel, and the touch screen panel is driven. The driving signal may have a first voltage of a first frequency.

An operating method of an electronic device according to various embodiments includes an operation of checking a specified condition for performing a hovering function, and displaying an image frame through a display panel included in the electronic device when the specified condition is satisfied. During the first period of the time period, driving the display panel without driving the touch screen panel included in the electronic device, and during the second period different from the first period of the time period, the display panel An operation of driving the touch screen panel by applying a touch driving signal to the touch screen panel without driving the touch screen panel, and the touch driving signal may have a first voltage having a first frequency.

A computer-readable non-transitory recording medium according to various embodiments includes an operation of checking a specified condition for performing a hovering function, and when the specified condition is satisfied, any one image through a display panel included in an electronic device. During the first period of the time period for displaying a frame, driving the display panel without driving the touch screen panel included in the electronic device, and during the second period different from the first period of the time period, Instructions for performing an operation of driving the touch screen panel by applying a touch driving signal to the touch screen panel without driving the display panel may be stored.

An electronic device according to various embodiments of the present disclosure, in an electronic device including an OLED type display, temporally separates a display driving period and a touch driving period, blocks noise induced by a common electrode, and furthermore, a common electrode and a touch screen. Hovering input can be accurately recognized by removing parasitic capacitance that may occur between panels.

1 is a diagram illustrating a network environment according to various embodiments.

2 is a block diagram of a display module, in accordance with various embodiments.

3 illustrates a laminated structure and an electrical connection relationship of a touch screen according to various embodiments.

4 is a diagram for explaining a stacked structure of a touch screen according to various embodiments.

5 is a flowchart for describing a method of operating by dividing an electronic device into a touch sensing section and a display section according to various embodiments of the present disclosure.

6 is a diagram for explaining a method of operating by dividing an electronic device into a touch sensing section and a display section according to various embodiments.

7 is a diagram for explaining a structure of a common electrode stage including a plurality of common electrodes, according to various embodiments.

8 is a diagram for explaining a method of activating each of a plurality of common electrodes included in a common electrode terminal by an electronic device according to various embodiments of the present disclosure.

9 is a flowchart for explaining a method of operating by dividing an electronic device into a touch sensing period and a display period according to various embodiments.

10A and 10B are diagrams for explaining a method of operating by dividing an electronic device into a touch sensing section and a display section according to various embodiments.

11 is a flowchart for explaining a method of operating by dividing an electronic device into a touch sensing section and a display section according to various embodiments of the present disclosure.

12A and 12B are diagrams for explaining a method of operating by dividing an electronic device into a touch sensing section and a display section according to various embodiments.

13 is a flowchart for explaining a method of operating a hovering mode by an electronic device according to various embodiments of the present disclosure.

1 is a block diagram of an electronic device 101 within a network environment 100, according to various embodiments. Referring to FIG. 1 , in a network environment 100, an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or through a second network 199. It is possible to communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or the antenna module 197 may be included. In some embodiments, in the electronic device 101, at least one of these components (eg, the connection terminal 178) may be omitted or one or more other components may be added. In some embodiments, some of these components (eg, sensor module 176, camera module 180, or antenna module 197) are integrated into a single component (eg, display module 160). It can be.

The processor 120, for example, executes software (eg, the program 140) to cause at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, the processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 . According to one embodiment, the processor 120 may include a main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor). For example, when the electronic device 101 includes the main processor 121 and the auxiliary processor 123, the auxiliary processor 123 may use less power than the main processor 121 or be set to be specialized for a designated function. can The secondary processor 123 may be implemented separately from or as part of the main processor 121 .

The secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to one embodiment, the auxiliary processor 123 (eg, image signal processor or communication processor) may be implemented as part of other functionally related components (eg, camera module 180 or communication module 190). have. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing device) may include a hardware structure specialized for processing an artificial intelligence model. AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself where artificial intelligence is performed, or may be performed through a separate server (eg, the server 108). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning or reinforcement learning, but in the above example Not limited. The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the foregoing, but is not limited to the foregoing examples. The artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, program 140) and commands related thereto. The memory 130 may include volatile memory 132 or non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input module 150 may receive a command or data to be used by a component (eg, the processor 120) of the electronic device 101 from the outside of the electronic device 101 (eg, a user). The input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).

The sound output module 155 may output sound signals to the outside of the electronic device 101 . The sound output module 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. A receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.

The display module 160 may visually provide information to the outside of the electronic device 101 (eg, a user). The display module 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device. According to one embodiment, the display module 160 may include a touch sensor set to detect a touch or a pressure sensor set to measure the intensity of force generated by the touch.

The audio module 170 may convert sound into an electrical signal or vice versa. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do. According to one embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a bio sensor, It may include a temperature sensor, humidity sensor, or light sensor.

The interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102). According to one embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 may be physically connected to an external electronic device (eg, the electronic device 102). According to one embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses. According to one embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to one embodiment, the power management module 188 may be implemented as at least part of a power management integrated circuit (PMIC), for example.

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establishment and communication through the established communication channel may be supported. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : a local area network (LAN) communication module or a power line communication module). Among these communication modules, a corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, a legacy communication module). It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a telecommunications network such as a computer network (eg, a LAN or a WAN). These various types of communication modules may be integrated as one component (eg, a single chip) or implemented as a plurality of separate components (eg, multiple chips). The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199. The electronic device 101 may be identified or authenticated.

The wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, NR access technology (new radio access technology). NR access technologies include high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low latency (URLLC)). -latency communications)) can be supported. The wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 192 uses various technologies for securing performance in a high frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. Technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna may be supported.

The wireless communication module 192 may support various requirements defined for the electronic device 101, an external electronic device (eg, the electronic device 104), or a network system (eg, the second network 199). According to one embodiment, the wireless communication module 192 may be used to realize Peak data rate (eg, 20 Gbps or more) for realizing 1eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency (for realizing URLLC). Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) may be supported.

The antenna module 197 may transmit or receive signals or power to the outside (eg, an external electronic device). According to one embodiment, the antenna module 197 may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (eg, PCB). According to one embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is selected from the plurality of antennas by the communication module 190, for example. can be chosen A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) may be additionally formed as a part of the antenna module 197 in addition to the radiator.

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a lower surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external

electronic devices

102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or part of operations executed in the electronic device 101 may be executed in one or more external electronic devices among the external

electronic devices

102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself. Alternatively or additionally, one or more external electronic devices may be requested to perform the function or at least part of the service. One or more external electronic devices receiving the request may execute at least a part of the requested function or service or an additional function or service related to the request, and deliver the execution result to the electronic device 101 . The electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed. To this end, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. 111 The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an internet of things (IoT) device. Server 108 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 104 or server 108 may be included in the second network 199 . The electronic device 101 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology. Electronic devices according to various embodiments disclosed in the document may be devices of various types. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance. An electronic device according to an embodiment of the present document is not limited to the aforementioned devices.

Various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but should be understood to include various modifications, equivalents, or substitutes of the embodiments. In connection with the description of the drawings, like reference numbers may be used for like or related elements. The singular form of a noun corresponding to an item may include one item or a plurality of items, unless the relevant context clearly dictates otherwise. In this document, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A Each of the phrases such as "at least one of , B, or C" may include any one of the items listed together in that phrase, or all possible combinations thereof. Terms such as "first", "second", or "first" or "secondary" may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited. A (e.g., first) component is said to be "coupled" or "connected" to another (e.g., second) component, with or without the terms "functionally" or "communicatively." When mentioned, it means that the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term "module" used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logical blocks, parts, or circuits. can be used as A module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of this document provide one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). It may be implemented as software (eg, the program 140) including them. For example, a processor (eg, the processor 120 ) of a device (eg, the electronic device 101 ) may call at least one command among one or more instructions stored from a storage medium and execute it. This enables the device to be operated to perform at least one function according to the at least one command invoked. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-temporary' only means that the storage medium is a tangible device and does not contain a signal (e.g. electromagnetic wave), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.

According to one embodiment, the method according to various embodiments disclosed in this document may be included and provided in a computer program product. Computer program products may be traded between sellers and buyers as commodities. A computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store ^TM ) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones. In the case of online distribution, at least part of the computer program product may be temporarily stored or temporarily created in a storage medium readable by a device such as a manufacturer's server, an application store server, or a relay server's memory.

According to various embodiments, each component (eg, module or program) of the above-described components may include a single object or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have. According to various embodiments, one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. . According to various embodiments, the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, or omitted. or one or more other actions may be added.

2 is a block diagram 200 of a display module 160, in accordance with various embodiments. Referring to FIG. 2 , the display module 160 may include a display 210 and a display driver IC (DDI) 230 for controlling the display 210 . The DDI 230 may include an interface module 231 , a memory 233 (eg, a buffer memory), an image processing module 235 , or a mapping module 237 . The DDI 230 receives, for example, video data or video information including video control signals corresponding to commands for controlling the video data from other components of the electronic device 101 through the interface module 231. can do. For example, according to one embodiment, the image information is processed by the processor 120 (eg, the main processor 121 (eg, an application processor) or the auxiliary processor 123 (eg, an auxiliary processor 123 that operates independently of the function of the main processor 121). Example: The DDI 230 can communicate with the touch circuit 250 or the sensor module 176 through the interface module 231. In addition, the DDI 230 can communicate with the touch circuit 250 or the sensor module 176, etc. At least a portion of the received image information may be stored in the memory 233, for example, in units of frames, and the image processing module 235 may, for example, convert at least a portion of the image data to characteristics of the image data or Preprocessing or postprocessing (eg, resolution, brightness, or size adjustment) may be performed based on at least the characteristics of the display 210. The mapping module 237 performs preprocessing or postprocessing through the image processing module 135. A voltage value or a current value corresponding to the image data may be generated According to an embodiment, the generation of the voltage value or the current value may be a property of pixels of the display 210 (eg, an array of pixels). RGB stripe or pentile structure), or the size of each sub-pixel) At least some pixels of the display 210 are based, for example, at least in part on the voltage value or current value By being driven, visual information (eg, text, image, or icon) corresponding to the image data may be displayed through the display 210 .

According to one embodiment, the display module 160 may further include a touch circuit 250 . The touch circuit 250 may include a touch sensor 251 and a touch sensor IC 253 for controlling the touch sensor 251 . The touch sensor IC 253 may control the touch sensor 251 to detect, for example, a touch input or a hovering input to a specific location of the display 210 . For example, the touch sensor IC 253 may detect a touch input or a hovering input by measuring a change in a signal (eg, voltage, light amount, resistance, or charge amount) for a specific position of the display 210 . The touch sensor IC 253 may provide information (eg, location, area, pressure, or time) on the sensed touch input or hovering input to the processor 120 . According to an exemplary embodiment, at least a part of the touch circuit 250 (eg, the touch sensor IC 253) is disposed as a part of the display driver IC 230, the display 210, or outside the display module 160. It may be included as part of other components (eg, the auxiliary processor 123).

According to an embodiment, the display module 160 may further include at least one sensor (eg, a fingerprint sensor, an iris sensor, a pressure sensor, or an illumination sensor) of the sensor module 176 or a control circuit for the sensor module 176 . In this case, the at least one sensor or a control circuit thereof may be embedded in a part of the display module 160 (eg, the display 210 or the DDI 230) or a part of the touch circuit 250. For example, when the sensor module 176 embedded in the display module 160 includes a biometric sensor (eg, a fingerprint sensor), the biometric sensor is biometric information associated with a touch input through a partial area of the display 210. (e.g. fingerprint image) can be acquired. For another example, if the sensor module 176 embedded in the display module 160 includes a pressure sensor, the pressure sensor may acquire pressure information associated with a touch input through a part or the entire area of the display 210. can According to one embodiment, the touch sensor 251 or sensor module 176 may be disposed between pixels of a pixel layer of the display 210 or above or below the pixel layer.

3 illustrates a laminated structure and an electrical connection relationship of a touch screen according to various embodiments. A display layer 302 may be disposed on the first surface of the first substrate 301 according to various embodiments. The first substrate 301 and the second substrate 303 may be implemented with glass or polymer, but there is no limitation on the material. For example, a signal line (eg, a gate line or a data line) to which a display driving signal (eg, a gate signal or a data signal) may be applied may be disposed in the display layer 302 . The display layer 302 may include a plurality of thin film transistors (TFTs) each connected to a signal line and each of a plurality of pixel electrodes. The display layer 302 may include a common electrode (or common voltage line) for applying a common voltage to one end of a capacitor connected to each pixel electrode. A plurality of pixel electrodes may be included in the display layer 302 . For example, the display layer 302 can include an OLED, and the OLED can be connected to a TFT.

According to various embodiments, the display driver IC (DDI) 230 may apply various signals (eg, a synchronization signal, an analog signal for screen display, and a common voltage) to display elements of the display layer 302 . have. The display driver IC (DDI) 230 may provide at least one synchronization signal to the touch sensor IC 253, and the touch sensor IC 253 uses the received synchronization signal to provide a touch driving signal in the touch sensing period. can be authorized. Depending on implementation, the touch sensor IC 253 and the display driver IC (DDI) 230 may be implemented as one IC, which may be referred to as touch and display driver integration (TDDI).

According to various embodiments, the second substrate 303 may be disposed on the display layer 302 . When the display method of the electronic device 101 is an OLED method, the second substrate 303 may be referred to as encapsulation glass when implemented with glass, and thin film encapsulation (TFE) when implemented with polymer. ) can be named. A touch sensing layer 304 may be disposed on the second substrate 303 . A plurality of touch electrodes may be disposed on the touch sensing layer 304 . A polarization layer 305 may be disposed on the touch sensing layer 304 , and a cover window 306 may be disposed on the polarization layer 305 . Alternatively, the polarization layer 305 that may be disposed between the touch sensing layer 304 and the cover window 306 may be omitted. For example, the electronic device 101 may not include the polarization layer 305 in a POL-less structure.

The touch sensor IC 253 according to various embodiments may be connected to the touch sensing layer 304 , and the DDI 230 may be connected to the display layer 302 . The touch sensor IC 253 can check the touch sensing period and the display period based on the synchronization signal from the DDI 230 . The DDI 230 may check the touch detection period and the display period based on a signal from the timing controller, for example. Depending on the implementation, the touch sensor IC 253 may directly receive a signal from the timing controller to check the touch sensing period and the display period. Depending on the implementation, the DDI 230 may transfer a signal indicating the display period to the processor 120, and the processor 120 may transmit a synchronization signal indicating the touch sensing period and the display period to the touch sensor IC 253. . The touch sensor IC 253 may check the touch sensing period and the display period based on the synchronization signal received from the processor 120 . The touch sensor IC 253 may apply a touch driving signal to the touch electrode of the touch sensing layer 304 during the touch sensing period. The touch sensor IC 253 may control a voltage of substantially 0V to be applied to the touch electrode during the display period. The DDI 230 may apply a common voltage to the common electrode (or common voltage line) of the display layer 302 during the display period.

According to various embodiments, the touch screen may be implemented with a youm-on-cell touch amoled (Y-OCTA) structure or an on-cell touch amoled (OCTA) structure. However, the technical spirit of the present invention is not limited thereto and may be applied to touch screens having various structures.

According to various embodiments, a gate electrode 403 may be disposed on the first substrate 401 , and the gate electrode 403 may be covered by the insulating layer 402 .

Data electrodes

405 , 406 , 407 , 408 , 409 , and 410 may be disposed on the insulating layer 402 , and the

data electrodes

405 , 406 , 407 , 408 , 1009 , and 1010 may be covered by the passivation layer 1004 .

Pixel electrodes

411 , 412 , 413 , 414 , 415 , and 416 may be disposed on the passivation layer 404 . A common voltage applied through the common electrode 421 may be applied to one end of a capacitor connected to each of the

pixel electrodes

411 , 412 , 413 , 414 , 415 , and 416 . The

pixel electrodes

411 , 412 , 413 , 414 , 415 , and 416 may be covered by an insulating layer 417 , and an emission layer 420 may be disposed on the insulating layer 417 . The light emitting layer 4205 may include a plurality of organic light emitting diodes (OLEDs). For example, the plurality of organic light emitting diodes may include organic light emitting diodes emitting red (R), green (G), and blue (B) light. A common electrode 421 may be disposed on the light emitting layer 415 . For example, the common electrode 421 may be implemented as one electrode plate. Alternatively, depending on implementation, the common electrode 421 may be divided into a plurality of electrode plates.

According to various embodiments, the common electrode 421 may be covered by the insulating layer 430 , and the second substrate 431 may be disposed on the insulating layer 430 .

Touch electrodes

441 and 442 may be disposed on the second substrate 431 . The touch sensor IC 252 may be connected to the

touch electrodes

441 and 442 . The touch sensor IC 252 may apply a touch driving signal to the

touch electrodes

441 and 442 during the touch sensing period, and may check touch information including the touch position based on the capacitance change degree of the

touch electrodes

441 and 442. have. The touch sensor IC 253 may transfer the touch location to an application processor (AP) 120 . The touch sensor IC 253 may check various types of information including the type of touch as well as the location of the touch. The DDI 230 may apply a common voltage to the

common electrodes

412 and 413 during the display period. The DDI 230 may apply a driving shielding signal having the same frequency, the same phase, and/or the same potential as the touch driving signal to the

common electrodes

412 and 413 during the touch sensing period. For example, the drive shield signal may have the same voltage as the touch drive signal. As described above, the touch sensor IC 253 and the DDI 230 may be implemented as one IC, TDDI.

Meanwhile, at least some of the operations of the electronic device 101 described below may be performed by at least one of the processor 120 , the DDI 230 , and the touch sensor IC 253 .

Referring to FIG. 5 , according to various embodiments, in operation 501, the electronic device 101 includes at least one switch (eg, a switch between the DDI 230 and the display panel circuit and/or included in the display panel circuit). The display panel may be driven during the first period in a time period in which one image frame is displayed by controlling the switch). For example, the DDI 230 may apply a display driving signal to the display panel. For example, the first period may be a period for displaying an image frame on the display 160 in a time period for displaying any one image frame. For example, the electronic device 101 may not drive the touch screen panel in the first period.

According to various embodiments of the present disclosure, in operation 503, the electronic device 101 controls the at least one switch to display the touch screen panel during a second period different from the first period in a time period in which one image frame is displayed. can drive For example, the touch sensor IC 253 may apply a touch driving signal to the touch screen panel. For example, the second period may be a period for detecting a touch input or a hovering input in a time period displaying any one image frame. For example, the electronic device 101 may not drive the display panel in the second period. For example, a period in which the display panel is not driven may be a period for a display porch. For example, the display porch time may be set to a period excluding the display time from any one frame period. That is, the display porch time may be a period in which data is not written to each line of the display panel. The display porch time may mean V-Porch. For example, the display porch time may be composed of a Vsync Front Porch (VFP), a VSync Width (VSW), and a Vsync Back Porch (VBP). The configuration of the display porch time may vary depending on display panel characteristics and driving methods.

Through this, the electronic device 101 temporally separates the display driving period and the touch sensing period in the time period for displaying any one image frame, securing time for touch sensing and reducing noise induced by the common electrode. can reduce The electronic device 101 may accurately detect a hovering input by reducing noise.

6 is a diagram for explaining a method of activating, by an electronic device, each of a plurality of common electrodes included in a common electrode stage, according to various embodiments of the present disclosure.

Referring to FIG. 6 , the electronic device 101 may display image frames according to a synchronization signal VSYNC. For example, the electronic device 101 may display the first image frame in the first time interval T1 and the second image frame in the second time interval T2 according to the synchronization signal VSYNC.

According to various embodiments, referring to (a) of FIG. 6 , the electronic device 101 divides a first time period T1 for displaying a first image frame into a first period P1 and a second period ( P2) can be divided into. For example, the first period P1 may be a display period, and the second period P2 may be a touch sensing period. For example, the electronic device 101 may display an image frame by driving the display panel in the first period P1. The electronic device 101 may detect a touch input and/or a hovering input by driving the touch screen panel in the second period P2 . For example, the second section P2 may be designated after the first section P1. The order and time length of the first section P1 and the second section P2 in (a) of FIG. 6 are only examples for description, and the technical idea of the present invention may not be limited thereto.

According to various embodiments, the electronic device 101 may also divide the second time period T2 for displaying the second image frame into a third period P3 and a fourth period P4. For example, the third period P3 may be a display period, and the fourth period P4 may be a touch sensing period. For example, the electronic device 101 may display an image frame by driving the display panel in the third period P3. The electronic device 101 may sense a touch input and/or a hovering input by driving the touch screen panel in the fourth period P4 . For example, the third section P3 may be designated after the second section P2 and before the fourth section P4.

According to various embodiments, referring to (b) of FIG. 6 , the electronic device 101 divides the first time period T1 for displaying the first image frame into a plurality of first periods P5 and P7. And it can be divided into a plurality of second sections (P6, P8). For example, the first sections P5 and P7 may be display sections, and the second sections P6 and P8 may be touch sensing sections. For example, the electronic device 101 may alternately drive the display panel and the touch screen panel multiple times. For example, the electronic device 101 may display image frames by driving the display panel in the first sections P5 and P7. The electronic device 101 may sense a touch input and/or a hovering input by driving the touch screen panel in the second sections P6 and P8. For example, the electronic device 101 may designate a horizontal front porch or a horizontal back porch section as the second sections P6 and P8.

Referring to FIG. 7 , the common electrode stage 750 may include a plurality of

electrodes

751 , 752 , 753 , and 755 instead of one electrode. For example, each of the plurality of

electrodes

751 , 752 , 753 , and 755 may correspond to each of the

display areas

711 , 712 , 713 , and 715 of the display panel 710 . In addition, each of the plurality of

common electrodes

751 , 752 , 753 , and 755 may correspond to each of the

touch panel regions

721 , 722 , 723 , and 725 of the touch screen panel 720 .

According to various embodiments, the DDI 230 may activate only a corresponding common electrode when at least one display area among the plurality of

display areas

711 , 712 , 713 , and 715 is driven. In addition, the DDI 230 may activate only a corresponding common electrode when at least one touch panel area among the plurality of

touch panel areas

721 , 722 , 723 , and 725 is driven.

8 is a diagram for explaining a structure of a common electrode terminal including a plurality of common electrodes, according to various embodiments.

According to various embodiments, the DDI 230 may activate only the first common electrode 751 when the first display area 711 and/or the first touch panel area 721 are driven. The DDI 230 may activate only the second common electrode 752 when the second display area 712 and/or the second touch panel area 722 are driven. Similarly, the DDI 230 can activate only the Nth common electrode 755 when the Nth display area 715 and/or the Nth touch panel area 725 are driven (eg, N is 4 more than one natural number).

Meanwhile, in FIG. 8 , the common electrode stage 750 is simply illustrated to include a plurality of common electrodes, but each of the plurality of common electrodes may be disposed separately from each other. For example, even if the first common electrode 751 is activated, the second common electrode 752 may not be activated. Conversely, even if the second common electrode 752 is activated, the first common electrode 751 may not be activated.

Referring to FIG. 9 , according to various embodiments, in operation 901, the electronic device 101 uses a display controller (eg, the DDI 230) during a first period in a time period for displaying one image frame. The switch circuit may be controlled (eg, shorted) so that the display panel circuit is connected to the display panel circuit. For example, the switch circuit may connect between the display controller (eg, the DDI 230) and the display panel circuit in the first period. The electronic device 101 may drive the display panel by shorting the switch circuit during the first period.

According to various embodiments of the present disclosure, in operation 903, the electronic device 101 connects the display controller (eg, the DDI 230) and the display panel circuit during a second period in a time period for displaying any one image frame. It is possible to control (eg, open) the switch circuit so that it does not occur. For example, the switch circuit may separate the display controller (eg, the DDI 230) and the display panel circuit in the first period. The electronic device 101 may block a noise path induced by the common electrode by opening the switch circuit during the second period. That is, the electronic device 101 may block a noise path induced by the common electrode and reduce noise by controlling the switch circuit in the touch sensing period.

According to various embodiments, in operation 905, the electronic device 101 may apply a touch panel driving signal (or touch driving signal) to the touch panel circuit so that the touch panel circuit is driven during the second period. Since the noise path is blocked, the electronic device 101 can reduce noise (eg, parasitic capacitance) induced by the common electrode. The electronic device 101 may accurately detect a hovering input by reducing noise.

Referring to FIGS. 10A and 10B , according to various embodiments, an electronic device (eg, the electronic device 101 of FIG. 1 ) includes a DDI 230, a display panel circuit 1040, a common electrode terminal 1050, and a touch screen panel circuit 1060 .

According to various embodiments, the DDI 230 may receive a signal for an image frame through a data line (eg, the interface module 231). The DDI 230 may output the output elements 1011 and 1012. Through this, a signal for an image frame may be output to the display panel circuit 1040 .

According to various embodiments, the display panel circuit 1040 may include

pixel electrodes

1047 and 1048 and a switch connecting the output elements 1011 and 1012 of the DDI 230 and the

pixel electrodes

1047 and 1048. (1045). For example, the

pixel electrodes

1047 and 1048 may output light in response to a signal for an image frame received from the DDI 230 . The switch 1045 may control light emission of the

pixel electrodes

1047 and 1048 according to the control of the DDI 230 . The

pixel electrodes

1047 and 1048 may be connected to a common electrode terminal 1050 .

According to various embodiments, as shown in FIG. 10A , the DDI 230 may apply a display driving signal to the display panel circuit 1040 by shorting the switch circuit 1030 and the switch 1045 during the first period. .

According to various embodiments, as shown in FIG. 10B , the DDI 230 may separate the DDI 230 and the display panel circuit 1040 by opening the switch circuit 1030 and the switch 1045 during the second period. have. The DDI 230 may block noise induced by the common electrode terminal 1050 by opening the switch circuit 1030 and the switch 1045 during the second period.

Referring to FIG. 11 , according to various embodiments, in operation 1101, the electronic device 101 may drive the display panel during the first period. The electronic device 101 may not drive the touch panel during the first period.

According to various embodiments, in operation 1103, the electronic device 101 may drive the touch screen panel by applying a touch panel driving signal having a first frequency during the second period. For example, the electronic device 101 may apply a touch panel driving signal having a first frequency and a first voltage to the touch screen panel.

According to various embodiments, in operation 1105, the electronic device 101 may apply a signal having the same frequency as the first frequency to the common electrode terminal through the display panel during the second period. For example, the electronic device 101 may apply a signal having a first frequency and a first voltage to a common electrode terminal. The electronic device 101 may maintain the same potential between the touch screen panel and the common electrode during the second period. Through this, the electronic device 101 can reduce loss due to parasitic capacitance.

According to various embodiments, when the common electrode includes a plurality of common electrodes, the electronic device 101 transmits a signal having the same frequency as the first frequency only to the common electrode corresponding to the touch panel area to which the driving signal is applied. can be authorized. Alternatively, the electronic device 101 may apply a signal having the same frequency as the first frequency to the common electrode corresponding to the touch panel region to which the driving signal is applied and the common electrode adjacent to the common electrode.

Referring to FIGS. 12A and 12B , according to various embodiments, an electronic device (eg, the electronic device 101 of FIG. 1 ) includes a touch sensor IC 1220, a DDI 1230, a display panel circuit 1040, A common electrode terminal 1250 and a touch screen panel circuit 1260 may be included.

According to various embodiments, the touch sensor IC 1220 may determine whether it is a touch detection period based on a synchronization signal from the DDI 1230. For example, the DDI 1230 may determine whether it is a touch sensing period based on a timing signal from a timing controller (not shown). Depending on the implementation, the touch sensor IC 1220 may also receive a timing signal from a timing controller (not shown), and based on this, it is possible to determine whether it is a touch sensing period. For example, at least one of the touch sensor IC 1220 or the DDI 1230 may store an algorithm, program, or firmware for setting a touch sensing period and a display period based on a timing signal from a timing controller.

According to various embodiments, as shown in FIG. 12A , the DDI 1230 shorts the switch circuit 1237 and the switch 1245 during the first period, eg, the display period, to provide a display drive signal to the display panel circuit 1240. can be authorized. Also, in the first period, the touch sensor IC 1220 may not apply a touch driving signal to the touch screen panel circuit 1260 . In the first period, the first switch 1235 disposed between the touch sensor IC 1220 and the DDI 1230 may be opened. The touch sensor IC 1220 may open the first switch 1235 to control signals generated by the touch sensor IC 1220 from being transmitted to the DDI 1230 and the display panel circuit 1240 . Meanwhile, in FIG. 12A , the DDI 1230 includes the first switch 1235, but the first switch 1235 may be disposed outside the DDI 1230.

According to various embodiments, as shown in FIG. 12B , the touch sensor IC 1220 may apply a touch driving signal to the touch screen panel circuit 1260 during the second period, eg, the touch sensing period. The DDI 1230 may not apply the display driving signal to the display panel circuit 1240 during the second period. The DDI 1230 may short the switch circuit 1230 and open the switch 1245 during the second period. Also, the first switch 1235 and the second switch 1242 disposed between the display panel circuit 1240 and the common electrode terminal 1250 may be shorted. The touch sensor IC 1220 may apply a first signal having the same frequency as the touch driving signal to the DDI 1230 during the second period. For example, the first signal may have the same voltage as the touch driving signal. The first signal may be applied to the common electrode terminal through the first switch 1235 and the second switch 1242 . Through this, the common electrode terminal 1250 may maintain the same potential as the touch screen panel circuit 1260 .

Referring to FIG. 13 , according to various embodiments, in operation 1301, the electronic device 101 may check in which mode the electronic device 101 operates. For example, the electronic device 101 may check whether it is operating in a hovering mode requiring a touch hovering function or in a normal mode.

According to various embodiments, in operation 1303, the electronic device 101 may check whether a hovering mode is required. For example, the electronic device 101 may determine that a hovering mode is required when a specified condition (eg, an operating state for executing a specific application or checking a user input) is satisfied.

According to various embodiments, if it is determined that the hovering mode is necessary (YES in operation 1303), in operation 1305, the electronic device 101 may be operated in the hovering mode in which the display panel and the touch screen panel are time-divided and driven. . For example, the electronic device 101 may be operated in a hovering mode according to the method of time-dividing and driving the display panel and the touch screen panel described above.

According to various embodiments of the present disclosure, if it is determined that the hovering mode is not required (NO in operation 1305), the electronic device 101 may be operated in the normal mode in operation 1307. For example, if it is confirmed that the normal mode is operated in the hovering mode 1303, the electronic device 1301 does not time-divide and drive the display panel and the touch screen panel, but the display panel and the touch screen panel in all time intervals. It can mean a mode that drives everything.

Through this, the electronic device 101 can increase usability by executing the hovering mode only in a situation where the hovering input needs to be sensed.

The common electrode terminal includes a plurality of common electrodes separated from each other, and each of the plurality of common electrodes corresponds to each of the display areas of the display panel and each of the touch screen panels of the touch screen panel. can be placed.

The at least one IC may have a first common electrode corresponding to the first display panel and the first touch screen panel when the first display panel of the display panel and the first touch screen panel of the touch screen panel are driven. can be set to activate

The at least one IC controls the at least one switch so that the display controller and the display panel are connected in the first period, and in the second period, the display controller and the display panel are not connected. Can be set to control one switch.

The at least one IC may be configured to control the at least one switch to output a signal having the same frequency as the first frequency to the common electrode terminal in the second period.

The at least one IC may be configured to control the at least one switch to output a signal having the same frequency as the first frequency and the same voltage as the first voltage to the common electrode terminal in the second period. can

The at least one switch may include a first switch connecting the touch sensor IC and the display controller and a second switch connecting the display panel circuit and the common electrode.

The at least one IC may be configured to open the first switch and open the second switch so that the touch driving signal is not applied to the display controller in the first period.

The at least one IC may be configured to short the first switch and short the second switch to maintain the same potential between the touch screen panel and the common electrode terminal in the second period. have.

The at least one IC may be set to alternately designate a first period in which the display is driven and a second period in which the touch screen panel is driven in the time period, multiple times.

The at least one IC may drive the touch screen panel in at least one section of a horizontal back porch or a horizontal front porch of the display.

A common electrode end between the display panel and the touch screen panel includes a plurality of common electrodes separated from each other, and each of the plurality of common electrodes is connected to each of the display areas of the display panel and the touch screen panel. It may be arranged to correspond to each of the touch screen panels.

The operating method of the electronic device may include a first common method corresponding to the first display panel and the first touch screen panel when the first display panel of the display panel and the first touch screen panel of the touch screen panel are driven. An operation of activating the electrode may be further included.

The method of operating the electronic device may include, in the first period, controlling at least one switch included in the electronic device so that the display controller and the display panel are connected; and in the second period, the display controller and the display panel. An operation of controlling the at least one switch so that the panel is not connected may be further included.

The method of operating the electronic device further includes controlling at least one switch included in the electronic device to output a signal having the same frequency as the first frequency to the common electrode terminal in the second period. can do.

The operating method of the electronic device may include controlling the at least one switch to output a signal having the same frequency as the first frequency and the same voltage as the first voltage to the common electrode terminal in the second period. may further include.

The operating method of the electronic device may further include an operation of alternately designating a first section in which the display is driven and a second section in which the touch screen panel is driven in the time section a plurality of times.

The operation of driving the touch screen panel may include driving the touch screen panel in at least one section of a horizontal back porch or a horizontal front porch of the display.

Claims

In electronic devices,

at least one switch;

a display panel including a plurality of pixel electrodes;

a touch screen panel connected to the display;

a common electrode end between the display panel and the touch screen panel; and

It includes at least one IC (integrated circuit), wherein the at least one IC,

Driving the display panel without driving the touch screen panel during a first period of a time period displaying any one image frame through the display panel;

During a second period different from the first period of the time period, a touch driving signal is applied to the touch screen panel without driving the display panel to drive the touch screen panel,

The touch driving signal has a first voltage of a first frequency.
According to claim 1,

The common electrode terminal includes a plurality of common electrodes separated from each other,

Each of the plurality of common electrodes is arranged to correspond to each of the display areas of the display panel and each of the touch screen panels of the touch screen panel.
The method of claim 2, wherein the at least one IC,

The electronic device configured to activate a first common electrode corresponding to the first display panel and the first touch screen panel when the first display panel of the display panel and the first touch screen panel of the touch screen panel are driven.
The method of claim 1, wherein the at least one IC,

In the first section, controlling the at least one switch so that a display controller and the display panel are connected;

In the second section, the electronic device configured to control the at least one switch so that the display controller and the display panel are not connected.
The method of claim 1, wherein the at least one IC,

The electronic device configured to control the at least one switch to output a signal having the same frequency as the first frequency to the common electrode terminal in the second period.
The method of claim 1, wherein the at least one IC,

In the second period, the electronic device configured to control the at least one switch to output a signal having the same frequency as the first frequency and the same voltage as the first voltage to the common electrode terminal.
The method of claim 1, wherein the at least one switch,

A first switch connecting the touch sensor IC and the display controller; and

An electronic device comprising a second switch connecting the display panel circuit and the common electrode.
The method of claim 7, wherein the at least one IC,

The electronic device configured to open the first switch and open the second switch so that the touch driving signal is not applied to the display controller in the first period.
The method of claim 7, wherein the at least one IC,

In the second period, the electronic device configured to short the first switch and short the second switch to maintain the same potential between the touch screen panel and the common electrode.
The method of claim 1, wherein the at least one IC,

The electronic device configured to alternately designate a first period in which the display is driven and a second period in which the touch screen panel is driven in the time period.
11. The method of claim 10, wherein the at least one IC,

An electronic device configured to drive the touch screen panel in at least one section of a horizontal back porch or a horizontal front porch of the display.
In the method of operating an electronic device,

Checking a specified condition for performing the hovering function;

If the specified condition is satisfied, during the first section of the time interval for displaying any one image frame through the display panel included in the electronic device, the display panel included in the electronic device is not driven. operation to drive; and

During a second period different from the first period of the time period, driving the touch screen panel by applying a touch driving signal to the touch screen panel without driving the display panel,

The touch driving signal has a first voltage of a first frequency.
According to claim 12,

The common electrode end between the display panel and the touch screen panel includes a plurality of common electrodes separated from each other,

Each of the plurality of common electrodes is arranged to correspond to each of the display areas of the display panel and each of the touch screen panels of the touch screen panel.
According to claim 13,

Further comprising activating a first common electrode corresponding to the first display panel and the first touch screen panel when the first display panel of the display panel and the first touch screen panel of the touch screen panel are driven. How to mount an electronic device to be.
According to claim 12,

controlling at least one switch included in the electronic device to connect the display controller and the display panel in the first section; and

In the second period, the method of operating the electronic device further comprising an operation of controlling the at least one switch so that the display controller and the display panel are not connected.