WO2022119227A1 - Dispositif électronique et procédé pour le faire fonctionner - Google Patents

Dispositif électronique et procédé pour le faire fonctionner Download PDF

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Publication number
WO2022119227A1
WO2022119227A1 PCT/KR2021/017421 KR2021017421W WO2022119227A1 WO 2022119227 A1 WO2022119227 A1 WO 2022119227A1 KR 2021017421 W KR2021017421 W KR 2021017421W WO 2022119227 A1 WO2022119227 A1 WO 2022119227A1
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WIPO (PCT)
Prior art keywords
size
display
image
axis direction
flexible display
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PCT/KR2021/017421
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English (en)
Korean (ko)
Inventor
강주영
곽명훈
김영성
조정민
홍성민
박지혜
Original Assignee
삼성전자 주식회사
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Priority claimed from KR1020210112156A external-priority patent/KR20220077846A/ko
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Publication of WO2022119227A1 publication Critical patent/WO2022119227A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory

Definitions

  • Various embodiments of the present disclosure relate to an electronic device and an operating method thereof.
  • the display of electronic devices is a core technology of the information and communication era, and is developing in the direction of being thinner, lighter, and more portable and high-performance.
  • development of an electronic device including a variable display eg, a stretchable display (eg, an expandable display) capable of changing (eg, expanding or reducing) the screen size of the display is being developed.
  • An electronic device including a variable display needs to change the size of a displayed object (eg, an image or text) according to a change in the physical size of the screen.
  • the physical size of the screen is changed in a first direction (eg, vertical direction), or It may be changed in a second orthogonal direction (eg, a horizontal direction) or may be changed in the first direction and the second direction.
  • a first direction eg, vertical direction
  • a second orthogonal direction eg, a horizontal direction
  • the size of an object eg, image, text
  • the size is not changed to match the aspect ratio of the direction (eg, first direction) in which the size is changed in another direction (eg, second direction) ) needs to change the size of the object.
  • Various embodiments of the present disclosure provide an electronic device capable of changing the size of an object in another direction (eg, second direction) in which the size of the variable display is not changed to match the screen ratio in the direction (eg, first direction) in which the size of the variable display is changed. It is a technical task to provide an apparatus and an operating method thereof.
  • the luminance of the screen may decrease when the screen size is expanded.
  • Various embodiments of the present disclosure provide an electronic device capable of adjusting luminance according to a change in size of a variable display, and an operating method thereof.
  • Various embodiments of the present disclosure provide an electronic device capable of maintaining luminance when a screen of a variable display is expanded and reduced, and improving current consumption before screen expansion, and an operating method thereof.
  • An electronic device may include a flexible display, a processor, and a memory.
  • the flexible display may include a plurality of pixels, and a physical size of the plurality of pixels may be changed in at least a first direction by varying an interval of the plurality of pixels.
  • the processor may be operatively connected to the flexible display.
  • the memory may be operatively coupled to the processor. The memory, when executed, controls the processor to display content including at least one image and text through the flexible display, based on a degree to which a physical size of the flexible display changes in the first direction Thus, it is possible to store instructions for adjusting at least one of the size of the image and the pixel information.
  • a method of operating an electronic device may detect a physical size change in a first direction of a flexible display including a plurality of pixels. It is possible to control to display content including at least one image and text through the flexible display. At least one of a size of the image and pixel information may be adjusted based on a degree to which a physical size of the flexible display changes in the first direction.
  • An electronic device and a method of operating the same may include a method in which a size of a flexible display (eg, a flexible display) is not changed to match a screen ratio in a direction (eg, a first direction) in which the size is not changed in another direction (eg, a first direction). : The size of the object in the second direction) can be changed.
  • a size of a flexible display eg, a flexible display
  • An electronic device and an operating method thereof may adjust luminance according to a size change of the variable display.
  • An electronic device and an operating method thereof may maintain the luminance of the variable display when the screen is expanded and reduced, and may improve the current consumption before the screen expansion.
  • FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure
  • FIG. 2 is a block diagram of a display module according to various embodiments of the present disclosure.
  • 3A is a diagram illustrating a display of an electronic device according to various embodiments of the present disclosure.
  • FIG. 3B is a diagram illustrating a change in an area (eg, a screen size) of the display illustrated in FIG. 3A .
  • FIG. 4 is a diagram illustrating changing a screen display ratio according to an extension of a display according to various embodiments of the present disclosure
  • FIG. 5 is a diagram illustrating display ratios of state information, images, and texts according to an extension of a display according to various embodiments of the present disclosure
  • FIG. 6 is a diagram illustrating a screen display method according to reduction and expansion of a display according to various embodiments of the present disclosure
  • FIG. 7 is a diagram illustrating switch driving of pixels according to reduction and expansion of a display according to various embodiments of the present disclosure
  • FIG. 8 illustrates a screen display method when a display expands in a first direction (eg, a y-axis direction) and a size in a second direction (eg, an x-axis direction) is fixed according to various embodiments of the present disclosure; It is a drawing showing
  • FIG. 9 is a diagram illustrating a ratio of an image when a size of a display is expanded in a first direction (eg, a y-axis direction) and a size in a second direction (eg, an x-axis direction) is fixed according to various embodiments of the present disclosure; It is a diagram showing how to adjust.
  • FIG. 10 is a diagram illustrating a ratio of an image when a size of a display is expanded in a first direction (eg, a y-axis direction) and a size in a second direction (eg, an x-axis direction) is fixed according to various embodiments of the present disclosure; It is a diagram showing how to adjust.
  • a first direction eg, a y-axis direction
  • a second direction eg, an x-axis direction
  • FIG. 11 is a view showing text displayed when a size of a display is expanded in a first direction (eg, a y-axis direction) and a size of a display is fixed in a second direction (eg, an x-axis direction) according to various embodiments of the present disclosure; It is a drawing showing the method.
  • FIG. 12 is a view showing text displayed when a size of a display is expanded in a first direction (eg, a y-axis direction) and a size of a display is fixed in a second direction (eg, an x-axis direction) according to various embodiments of the present disclosure; It is a drawing showing the method.
  • FIG. 13 is a diagram illustrating images and text when the size of the display is expanded in the first direction (eg, the y-axis direction) and the size of the display is fixed in the second direction (eg, the x-axis direction) according to various embodiments of the present disclosure; It is a drawing showing how to display.
  • FIG. 14 is a diagram illustrating a decrease in luminance due to an extension of a display.
  • 15 is a diagram illustrating a method of improving current consumption by adjusting luminance according to an extension of a display according to various embodiments of the present disclosure
  • 16 is a diagram illustrating a method of driving a switch of pixels according to an extension of a display according to various embodiments of the present disclosure
  • 17 is a diagram illustrating a method of driving a switch of pixels according to an extension of a display according to various embodiments of the present disclosure
  • FIG. 18 is a diagram illustrating an example of a method and a user interface for adjusting luminance according to an extension of a display according to various embodiments of the present disclosure
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments of the present disclosure.
  • an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with at least one of the electronic device 104 and the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
  • a first network 198 eg, a short-range wireless communication network
  • a second network 199 e.g., a second network 199
  • the electronic device 101 may communicate with the electronic device 104 through the server 108 .
  • the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and 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 an antenna module 197 may be included.
  • at least one of these components eg, the connection terminal 178
  • may be omitted or one or more other components may be added to the electronic device 101 .
  • some of these components are integrated into one component (eg, display module 160 ). can be
  • the processor 120 for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120 . It can control and perform various data processing or operations. According to an embodiment, as at least part of data processing or operation, the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 . may be stored in the volatile memory 132 , and may process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
  • software eg, a program 140
  • the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 .
  • the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 .
  • the processor 120 is the 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) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
  • the main processor 121 e.g, a central processing unit or an application processor
  • a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
  • NPU neural processing unit
  • an image signal processor e.g., a sensor hub processor, or a communication processor.
  • the main processor 121 e.g, a central processing unit or an application processor
  • a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
  • NPU neural processing unit
  • an image signal processor e.g., a sensor hub processor, or a communication processor.
  • the main processor 121 e.g, a central processing unit or an application processor
  • a secondary processor 123
  • the auxiliary processor 123 is, for example, on behalf 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, executing an application). ), 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.
  • the auxiliary processor 123 eg, an image signal processor or a communication processor
  • the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
  • Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which the artificial intelligence model 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 above, but is not limited to the above example.
  • the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
  • the memory 130 may store various data used by at least one component of the electronic device 101 (eg, the processor 120 or the sensor module 176 ).
  • the data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto.
  • the memory 130 may include a volatile memory 132 or a 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 in a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 .
  • 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 a sound signal 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.
  • the receiver may be used to receive an incoming call. According to an embodiment, the receiver may be implemented separately from or as a part of the speaker.
  • the display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
  • the display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device.
  • the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.
  • the audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 or an external electronic device (eg, a sound output module 155 ) directly or wirelessly connected to the electronic device 101 . A sound may be output through the electronic device 102 (eg, a speaker or headphones).
  • an external electronic device eg, a sound output module 155
  • a sound may be output through the electronic device 102 (eg, a speaker or headphones).
  • the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, user state), and generates an electrical signal or data value corresponding to the sensed state. can do.
  • the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.
  • the interface 177 may support one or more designated protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ).
  • 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.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • SD card interface Secure Digital Card
  • the connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ).
  • 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 an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense.
  • 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 an 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 .
  • the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 189 may supply power to at least one component of the electronic device 101 .
  • 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). It can support establishment and communication performance through the established communication channel.
  • 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.
  • 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, : It may include a LAN (local area network) communication module, or a power line communication module).
  • GNSS global navigation satellite system
  • a corresponding communication module among these communication modules 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, legacy 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 computer network (eg, a telecommunication network such as a LAN or a WAN).
  • a first network 198 eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
  • a second network 199 eg, legacy 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 computer network (eg, a telecommunication network such as a LAN or a WAN).
  • a telecommunication network
  • the wireless communication module 192 uses the 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, a new radio access technology (NR).
  • NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)).
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communications
  • URLLC ultra-reliable and low-latency
  • the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
  • a high frequency band eg, mmWave band
  • the wireless communication module 192 includes various technologies for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.
  • the wireless communication module 192 may support various requirements specified in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ).
  • the wireless communication module 192 includes a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency ( Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less).
  • a peak data rate eg, 20 Gbps or more
  • loss coverage eg, 164 dB or less
  • U-plane latency Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less.
  • the antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device).
  • the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
  • 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 connected from the plurality of antennas by, for example, the communication module 190 . can be selected. 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.
  • other components eg, a radio frequency integrated circuit (RFIC)
  • RFIC radio frequency integrated circuit
  • the antenna module 197 may form a mmWave antenna module.
  • the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a specified high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
  • peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
  • GPIO general purpose input and output
  • SPI serial peripheral interface
  • MIPI mobile industry processor interface
  • the command 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 .
  • all or part of the operations performed by the electronic device 101 may be executed by one or more external electronic devices 102 , 104 , or 108 .
  • the electronic device 101 may perform the function or service itself instead of executing the function or service itself.
  • one or more external electronic devices may be requested to perform at least a part of the function or the service.
  • One or more external electronic devices that have received 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 transmit a result of the execution to the electronic device 101 .
  • the electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request.
  • cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
  • the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
  • 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.
  • the external electronic device 104 or the server 108 may be included in the second network 199 .
  • the electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
  • the electronic device may be a device 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 device.
  • a portable communication device eg, a smart phone
  • a computer device e.g., a laptop, a desktop, a tablet, or a portable multimedia device
  • portable medical device e.g., a portable medical device
  • camera e.g., a camera
  • a wearable device e.g., a smart watch
  • a home appliance device e.g., a smart bracelet
  • first”, “second”, or “first” or “second” may simply be used to distinguish the component from other components in question, and may refer to components in other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.
  • module used in various embodiments of the present disclosure may include a unit implemented in hardware, software, or firmware, for example, interchangeably with terms such as logic, logic block, component, or circuit.
  • a module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions.
  • the module may be implemented in the form of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • one or more instructions stored in a storage medium may be implemented as software (eg, the program 140) including
  • a processor eg, processor 120
  • a device eg, electronic device 101
  • 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.
  • 'non-transitory' only means that the storage medium is a tangible device and does not include a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.
  • a signal eg, electromagnetic wave
  • the method according to various embodiments disclosed in this document may be provided by being included in a computer program product.
  • Computer program products may be traded between sellers and buyers as commodities.
  • the computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play StoreTM) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly between smartphones (eg: smartphones) and online.
  • a part of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.
  • each component eg, a module or a program of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. .
  • one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added.
  • a plurality of components eg, a module or a program
  • the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. .
  • operations performed by a module, program, or other component are executed sequentially, in parallel, repetitively, or heuristically, or one or more of the operations are executed in a different order, omitted, or , or one or more other operations may be added.
  • the display module 160 shown in FIG. 1 is a variable display (eg, flexible display) configured to extend an area (eg, screen size) in a first direction (eg, y-axis direction). (eg stretchable display) (eg expandable display).
  • a variable display eg, flexible display
  • an area eg, screen size
  • a first direction eg, y-axis direction
  • stretchable display eg expandable display
  • the display module 160 shown in FIG. 1 has an area (eg, screen size) in a second direction (eg, x-axis direction) orthogonal to the first direction (eg, y-axis direction).
  • This may include a flexible display (eg, a flexible display) configured to be expandable (eg, a stretchable display) (eg, an expandable display).
  • the display module 160 shown in FIG. 1 has an area (eg, screen size) extended in the first direction (eg, y-axis direction) and in the second direction (eg, x-axis direction). It may include a flexible display (eg, a flexible display) (eg, a stretchable display) (eg, an expandable display) configured to be a flexible display.
  • a flexible display eg, a flexible display
  • stretchable display eg, an expandable display
  • the display module 160 shown in FIG. 1 may include a flexible display configured to be folded or unfolded.
  • the display module 160 shown in FIG. 1 may include a flexible display that is slidably disposed to provide a screen (eg, a display screen).
  • the display module 160 may be referred to as a variable display (eg, a stretchable display), an expandable display, or a slide-out display.
  • the display module 160 shown in FIG. 1 may include a bar type display or a plate type display.
  • FIG. 2 is a block diagram of a display module according to various embodiments of the present disclosure.
  • the display module 160 includes a display 200 and a display driver IC 230 (hereinafter, referred to as 'DDI 230') for controlling the display 200 .
  • 'DDI 230' a display driver IC 230 for controlling the display 200 .
  • the DDI 230 may include an interface module 231 , a memory 233 (eg, a buffer memory), an image processing module 235 , and/or a mapping module 237 .
  • the DDI 230 transmits image data or image information including an image control signal corresponding to a command for controlling the image data to another configuration of the electronic device 101 through the interface module 231 . It can be received from an element.
  • the image information is independent of a function of a processor (eg, the processor 120 of FIG. 1 ) (eg, the main processor 121 of FIG. 1 ) (eg, an application processor) or the main processor 121 . It may be received from an operating auxiliary processor (eg, the auxiliary processor 123 of FIG. 1 ) (eg, a graphic processing unit).
  • a processor eg, the processor 120 of FIG. 1
  • main processor 121 of FIG. 1 eg, an application processor
  • an operating auxiliary processor eg, the auxiliary processor 123 of FIG. 1
  • a graphic processing unit eg, a graphic processing unit
  • the DDI 230 may communicate with the touch circuit 250 or the sensor module 176 through the interface module 231 . Also, the DDI 230 may store at least a portion of the received image information in the memory 233 . As an example, the DDI 230 may store at least a portion of the received image information in the memory 233 in units of frames.
  • the image processing module 235 pre-processes or post-processes at least a portion of the image data based on at least a characteristic of the image data or a characteristic of the display 200 (eg, adjusting resolution, brightness, or size). ) can be done.
  • the mapping module 237 may generate a voltage value or a current value corresponding to the image data pre-processed or post-processed through the image processing module 235 .
  • the generation of the voltage value or the current value is, for example, at least in part on the properties of the pixels of the display 200 (eg, an arrangement of pixels (RGB stripe or pentile structure), or the size of each sub-pixel). It can be done based on
  • At least some pixels of the display 200 are driven based at least in part on the voltage value or the current value to display visual information (eg, text, image, and/or icon) corresponding to the image data. It can be indicated through (200).
  • visual information eg, text, image, and/or icon
  • 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 a touch input or a hovering input for a specific location of the display 200 .
  • 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 electric charge amount) for a specific position of the display 200 .
  • the touch sensor IC 253 may provide information (eg, location, area, pressure, or time) regarding the sensed touch input or hovering input to the processor (eg, the processor 120 of FIG. 1 ).
  • At least a part of the touch circuit 250 may be included as a part of the display driver IC 230 or the display 200 .
  • At least a part of the touch circuit 250 may be included as a part of another component (eg, the auxiliary processor 123 ) disposed outside the display module 160 .
  • another component eg, the auxiliary processor 123
  • the display module 160 further includes at least one sensor of the sensor module 176 (eg, an extended detection sensor, a fingerprint sensor, an iris sensor, a pressure sensor, or an illuminance sensor), or a control circuit therefor. can do.
  • the at least one sensor or a control circuit therefor may be embedded in a part of the display module 160 (eg, the display 200 or the DDI 230 ) or a part of the touch circuit 250 .
  • the sensor module 176 embedded in the display module 160 includes a biometric sensor (eg, a fingerprint sensor)
  • the biometric sensor provides biometric information related to a touch input through a partial area of the display 200 . (eg fingerprint image) can be acquired.
  • the pressure sensor may acquire pressure information related to a touch input through a part or the entire area of the display 200 .
  • the extended detection sensor detects a change in the area (eg, screen size) of a display (eg, a variable display).
  • the touch sensor 251 or the sensor module 176 may be disposed between pixels of the pixel layer of the display 200 or above or below the pixel layer.
  • 3A is a diagram illustrating a display of an electronic device according to various embodiments of the present disclosure.
  • an electronic device (eg, the electronic device 101 of FIG. 1 ) according to various embodiments of the present disclosure may include a display 301 (eg, the display 200 of FIG. 2 ).
  • the size of the screen physically extends in a first direction (eg, y-axis direction), and in a direction opposite to the first direction (eg, y-axis direction) (eg, -y) It may include a flexible display (eg, a stretchable display) (eg, an expandable display) that can be reduced in an axial direction).
  • a flexible display eg, a stretchable display
  • an expandable display eg, an expandable display
  • the display 301 physically expands the screen in a second direction (eg, the x-axis direction), and in a direction opposite to the second direction (eg, the x-axis direction) (eg, -x)
  • a second direction eg, the x-axis direction
  • a direction opposite to the second direction eg, the x-axis direction
  • It may include a flexible display (eg, a stretchable display) (eg, an expandable display) that can be reduced in an axial direction).
  • the physical size of the screen extends in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction), and the first direction (eg, the x-axis direction) :
  • a flexible display eg, stretchable
  • the y-axis direction e.g. the -y-axis direction
  • the second direction e.g. the x-axis direction
  • the -x-axis direction eg, expandable display.
  • the reduced state 310 of the display 301 and the expanded state 320 in which the display 301 is expanded in the first direction are illustrated as an example.
  • the display 301 has a stretchable property and may include a plurality of pixels Ps. When the display 301 is expanded, an interval between the plurality of pixels Ps may be increased. When the display 301 is reduced, an interval between the plurality of pixels Ps may be reduced.
  • the display 301 when the display 301 is expanded (eg, stretched) in the first direction (eg, the y-axis direction), in the first direction (eg, the y-axis direction) between the plurality of pixels Ps spacing can be increased.
  • a first interval d1 between the first pixel p1 and the second pixel p2 is may be extended (eg, increased) to the second interval d2 in .
  • an interval between the third pixel p3 and the fourth pixel p4 may be extended (eg, increased) from the first interval d1 to the second interval d2 .
  • the interval between the first pixel p1 and the second pixel p2 and the interval between the third pixel p3 and the fourth pixel p4 are extended (eg, : stretched)
  • the screen size in the second direction may be expanded.
  • the display 301 when the display 301 is expanded (eg, stretched) in the second direction (eg, the x-axis direction), in the second direction (eg, the x-axis direction) between the plurality of pixels Ps. spacing can be increased.
  • a third interval d3 is formed between the first pixel p1 and the third pixel p3 .
  • an interval between the second pixel p2 and the fourth pixel p4 may be extended (eg, increased) from the third interval d3 to the fourth interval d4 .
  • the interval between the first pixel p1 and the third pixel p3 and the interval between the second pixel p2 and the fourth pixel p4 are extended (eg, : stretched)
  • the screen size in the second direction may be expanded.
  • the display 301 when the display 301 expands (eg, increases) in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction), between the plurality of pixels Ps An interval in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction) may increase.
  • FIG. 3B is a diagram illustrating a change in an area (eg, a screen size) of the display illustrated in FIG. 3A .
  • a plurality of pixels Ps of the display 301 may emit light to display an object 312 (eg, an image, text).
  • an interval in the first direction (eg, the y-axis direction) between the plurality of pixels Ps is increased, and the first direction (eg, the y-axis direction) is increased.
  • the extended area 314 may be created as the distance between the plurality of pixels Ps increases.
  • the display 301 may be fixed in size without being expanded in the second direction (eg, the x-axis direction).
  • the present invention is not limited thereto, and the size of the display 301 may also be expanded in the second direction (eg, the x-axis direction).
  • the processor when the display 301 is expanded in the first direction (eg, the y-axis direction), the processor (eg, the processor 120 of FIG. 1 ) is a DDI (eg, the DDI 230 of FIG. 2 )) to change the size of the object 312 (eg, image, text) in the first direction (eg, y-axis direction) according to the ratio of the display 301 being expanded in the first direction (eg, y-axis direction) by controlling (eg expand).
  • the physical size of the display 301 in the second direction eg, the x-axis direction
  • the processor eg, processor 120 in FIG.
  • the DDI controls the DDI (eg, DDI 230 in FIG. 2 ) to control the first direction (eg, y) of the object 312 (eg, image, text).
  • the size of the object 312 (eg, image, text) in the second direction (eg, x-axis direction) can be changed (eg, expanded) according to the ratio of the size of the object 312 (eg, image, text) is changed (eg, expanded) have.
  • the processor when the display 301 is changed from the expanded state 320 to the reduced state 310 , the processor (eg, the processor 120 of FIG. 1 ) is a DDI (eg, the DDI 230 of FIG. 2 ) ) to reduce the size of the object 312 (eg, image, text) in the -y-axis direction in accordance with the reduction ratio of the display 301 in the -y-axis direction.
  • the physical size of the display 301 in the second direction eg, the x-axis direction
  • the processor eg, the processor 120 of FIG. 1
  • controls the DDI eg, the DDI 230 of FIG. 2
  • the size of the object 312 eg, image, text
  • FIG. 4 is a diagram illustrating changing a screen display ratio according to an extension of the display 301 according to various embodiments of the present disclosure.
  • 5 is a diagram illustrating display ratios of the state information area 410 , the image area 420 , and the text area 430 according to the expansion of the display 301 according to various embodiments of the present disclosure.
  • status information indicating the status of the electronic device may be displayed on the status display area 410 of the display 301 .
  • the display 301 may display an image in the image area 420 and text in the text area 430 as well as status information.
  • the processor eg, the processor 120 of FIG. 1
  • controls the DDI eg, the DDI 230 of FIG. 2
  • determine the state information area eg, the reduced state 310 and the extended state 320 of the display 301
  • the text area 430 may adjust a size ratio.
  • the size ratio in the y-axis direction of at least one of the state information area 410 , the image area 420 , and the text area 430 . can be adjusted.
  • the size ratio in the x-axis direction of at least one of the state information area 410 , the image area 420 , and the text area 430 according to the reduced state 310 and the expanded state 320 of the display 301 . can be adjusted.
  • the y-axis direction and the x-axis of at least one of the state information area 410 , the image area 420 , and the text area 430 according to the reduced state 310 and the expanded state 320 of the display 301 . You can adjust the size ratio of the direction.
  • the display 301 may change from the reduced state 310 to the expanded state 320 by expanding a physical size in the first direction (eg, the y-axis direction).
  • the size of the image 420 in the first direction eg, the y-axis direction
  • the second direction eg, the x-axis direction
  • the second direction Ex: x-axis direction
  • the size ratio of the state information area 410 and the text area 430 in the first direction is not changed. size can be maintained.
  • the size ratio of the first direction (eg, y-axis direction) of the state information region 410 is fixed, the first direction (eg, y-axis direction) of the state information displayed in the state information region 410 is fixed. can retain its previous size without changing its size.
  • the size ratio in the first direction (eg, y-axis direction) of the text area 430 may remain unchanged and retain its previous size.
  • the previous sizes of the state information area 410 and the text area 430 may be maintained without changing the size ratio in the second direction (eg, the x-axis direction).
  • the position at which the state information area 410 is displayed may be maintained without being changed.
  • the second direction (eg, the x-axis direction) of the state information region 410 when the size ratio of the second direction (eg, the x-axis direction) of the state information region 410 is fixed, the second direction (eg, the x-axis direction) of the state information displayed in the state information region 410 is fixed. can retain its previous size without changing its size.
  • the size ratio in the second direction (eg, the x-axis direction) of the text area 430 is fixed, the size of the text object displayed in the text area 430 in the second direction (eg, the x-axis direction) may remain unchanged and retain its previous size.
  • the position of the text 430 is moved and displayed as the image 420 is expanded in the first direction (eg, the y-axis direction).
  • the first direction eg, the y-axis direction.
  • the text area 430 is displayed in a first direction (eg, y-axis direction) in a ratio expanded in the first direction (eg, y-axis direction). ) can be expanded.
  • the size of the text area 430 in the second direction eg, the x-axis direction
  • size can be maintained.
  • the size of the text area 430 in the first direction e.g. the y-axis direction
  • the size of the text object displayed in the text area 430 may not be changed and the previous size may be maintained.
  • the size of the text area 430 in the first direction e.g, the y-axis direction
  • the number of text objects displayed in the text area 430 may increase by the expanded size.
  • FIG. 6 is a diagram illustrating a screen display method according to reduction and expansion of a display according to various embodiments of the present disclosure
  • the display 301 may change from a reduced state 610 to an expanded state 620 .
  • the processor eg, the processor 120 of FIG. 1
  • p can be mapped.
  • pixels p for displaying an image may be mapped to the image area 420 .
  • pixels p for displaying a text object may be mapped to the text area 430 .
  • the display 301 may change from the expanded state 620 to the reduced state 610 .
  • the processor eg, the processor 120 of FIG.
  • pixels p for displaying state information in the state information area 410 may map pixels p for displaying state information in the state information area 410 . have. Also, pixels p for displaying an image may be mapped to the image area 420 . Also, pixels p for displaying text in the text area 430 may be mapped.
  • the size of the state information displayed on the state information area 410 may be maintained without changing the size regardless of the reduced state 610 and the expanded state 620 of the display 310 .
  • the display 301 duplicates the pixels p by the ratio in which the display 301 is expanded in the first direction (eg, the y-axis direction),
  • the size of the state information displayed in the state information area 410 may be maintained by re-mapping the duplicated pixels p.
  • status information is displayed in the status information area 410 in the expanded status 620 of the display 301 .
  • An image of 0,0 pixels 621 to be used may be displayed at 0,0 pixels 611 and 1,0 pixels 612 in the reduced state 610 .
  • FIG. 7 is a diagram illustrating switch driving of pixels according to reduction and expansion of a display according to various embodiments of the present disclosure
  • burn-in may occur in the specific pixels.
  • the image of 0,0 pixel 711 and the image of 1,0 pixel 712 in the reduced state 710 are expanded It can be displayed at 0,0 pixel 721 in state 720 .
  • the same image of 0,0 pixels 721 in the expanded state 720 may be displayed at 0,0 pixels 711 and 1,0 pixels 712 in the reduced state 710 .
  • the same image displayed at 0,0 pixels 721 in the expanded state 720 is set to 0,0 pixels in the reduced state 710 .
  • 711 and 1,0 pixels 712 may be alternately switched and driven.
  • the driving time of the 0,0 pixel 711 and the 1,0 pixel 712 is halved. can be reduced to prevent burn-in.
  • FIG. 8 illustrates a screen display method when a display expands in a first direction (eg, a y-axis direction) and a size in a second direction (eg, an x-axis direction) is fixed according to various embodiments of the present disclosure; It is a drawing showing
  • a display (eg, the display 301 of FIG. 4 ) may change from a reduced state 810 to an expanded state 820 .
  • the display eg, the display 301 of FIG. 4
  • the image 830 in the expanded state 820 is displayed in the first direction (eg, the y-axis direction).
  • the size ratio of the image 830 in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction) may be maintained.
  • the display eg, the display 301 of FIG. 4
  • the image according to the expansion ratio in the first direction eg, the y-axis direction
  • the size of 830 in the first direction eg, the y-axis direction
  • the pixels may be mapped by scaling up the size of the image 830 in the second direction (eg, the x-axis direction) according to the ratio of the extended first direction (eg, the y-axis direction).
  • the first direction (eg, the y-axis direction) and the second direction of the image 830 are You can keep the ratio of the direction (eg the x-axis direction).
  • the size of the image 830 in the first direction (eg, the y-axis direction) and the size in the second direction (eg, the x-axis direction) are increased, so that the image 830 is zoomed in. ) can be obtained.
  • FIG. 9 is a diagram illustrating a ratio of an image when a size of a display is expanded in a first direction (eg, a y-axis direction) and a size in a second direction (eg, an x-axis direction) is fixed according to various embodiments of the present disclosure; It is a diagram showing how to adjust.
  • the physical size of the display (eg, the display 301 of FIG. 4 ) in the first direction is changed from the reduced state 910 to the first expanded state 920 ( e.g.) can be extended.
  • the physical size of the display (eg, the display 301 of FIG. 4 ) in the second direction may be fixed.
  • the physical size of the display in the second direction eg, the x-axis direction
  • the physical size of the display in the first direction eg, the y-axis direction
  • the physical size of the display (eg, the display 301 of FIG. 4 ) in the first direction is changed from the second expanded state 930 to the first expanded state 920 (eg: can be reduced).
  • the physical size of the display (eg, the display 301 of FIG. 4 ) in the second direction (eg, the x-axis direction) may be fixed.
  • the display (eg, the display 301 of FIG. 4 ) may change (eg, reduce) the physical size in the first direction (eg, the y-axis direction) from the first expanded state 920 to the reduced state 910 .
  • the physical size of the display (eg, the display 301 of FIG. 4 ) in the second direction (eg, the x-axis direction) may be fixed.
  • the physical size in the first direction is expanded by 15% in the reduced state 910 to the first expanded state 920 .
  • the physical size in the first direction is expanded by 30% in the reduced state 910 to the second expanded state 930 .
  • the image according to the rate at which the size of the display is expanded
  • the size of 912 can also be expanded sequentially.
  • the physical expansion ratio in the first direction eg, the y-axis direction
  • the crop region 924 in which the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction) are extended may be set according to the .
  • the size of the image 912 in the first direction (eg, y-axis direction) and in the second direction (eg, the x-axis direction) is expanded to fit the size of the crop region 924 , and An image 912 may be displayed.
  • the physical display in the first direction eg, the y-axis direction
  • the crop region 934 extending in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction) may be set according to the expansion ratio.
  • the size of the image 912 in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction) is expanded to fit the size of the crop region 934 , and the display (eg, the display of FIG. 4 )
  • An image 912 may be displayed in the display area 936 of 301 ).
  • the first direction (eg, the y-axis) of the image 912 by the expanded ratio direction) may be enlarged and displayed.
  • the second direction (eg, the x-axis direction) of the display (eg, the display 301 of FIG. 4 ) is fixed, the second direction (eg, the x-axis direction) of the image 9120 by an enlarged ratio may be displayed by cutting off a side portion of the .
  • FIG. 10 is a diagram illustrating a ratio of an image when a size of a display is expanded in a first direction (eg, a y-axis direction) and a size in a second direction (eg, an x-axis direction) is fixed according to various embodiments of the present disclosure; It is a diagram showing how to adjust.
  • a first direction eg, a y-axis direction
  • a second direction eg, an x-axis direction
  • the display 1001 changes (eg, expands) a size in a first direction (eg, y-axis direction) in a reduced state 1010 to a first expanded state 1020 .
  • a size in a first direction eg, y-axis direction
  • the size of the display 1001 in the second direction eg, the x-axis direction
  • the second direction e.g, the x-axis direction
  • the display 1001 may change (eg, expand) the size of the first direction (eg, the y-axis direction) in the first expanded state 1020 to enter the second expanded state 1030 .
  • the size of the display 1001 in the second direction eg, the x-axis direction
  • the size of the display 1001 in the second direction may be fixed.
  • the display 1001 may be in the first expanded state 1020 by changing (eg, reducing) the size of the display 1001 in the first direction (eg, the y-axis direction) in the second expanded state 1030 .
  • the size of the display 1001 in the second direction eg, the x-axis direction
  • the size of the display 1001 in the second direction may be fixed.
  • the display 1001 may be in the reduced state 1010 by changing (eg, reducing) the size of the display 1001 in the first direction (eg, the y-axis direction) in the first expanded state 1020 .
  • the size of the display 1001 in the second direction eg, the x-axis direction
  • the size of the display 1001 in the second direction may be fixed.
  • the display 1001 may be changed to the first expanded state 1020 by expanding the physical size of the display 1001 in the first direction (eg, the y-axis direction) by 15% in the reduced state 1010 .
  • the display 1001 may be changed to the second expanded state 1030 by expanding the physical size of the display 1001 in the first direction (eg, the y-axis direction) by 30% in the reduced state 1010 .
  • the image 1012 displayed on the display 1001 has a first width d1 in a first direction (eg, a y-axis direction) and a second direction (eg, an x-axis). direction) may have a size of the second width d2.
  • the first width d1 of the image 1012 may be smaller than the first width D1 of the display area of the display 1001 in the first direction (eg, the y-axis direction).
  • the second width d2 of the image 1012 may be smaller than the second width D2 of the display area of the display 1001 in the second direction (eg, the x-axis direction).
  • the physical expansion ratio eg, 15% expansion
  • the size of the image 1012 in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction) of the image 1012 may be expanded by matching.
  • the first extended image 1022 in which the sizes of the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction) are expanded (eg, expanded by 15%) may be displayed on the display area of the display. .
  • the physical expansion ratio eg, 30% expansion
  • the size of the image 1012 in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction) of the image 1012 may be expanded by matching.
  • a second extended image 1032 in which the size of the first direction (eg, y-axis direction) and the size of the second direction (eg, the x-axis direction) is expanded (eg, expanded by 30%) is displayed in the display area of the display 1012 can be displayed.
  • the physical size of the first width D1 in the first direction (eg, the y-axis direction) of the display 1001 is extended, and the second width D1 in the second direction (eg, the x-axis direction) of the display 1001 (eg, the x-axis direction) D2) may have a fixed physical size.
  • the display 1001 may change from the reduced state 1010 to the first expanded state 1020 or the second expanded state 103 .
  • the first width d1 of the image 1012 in the reduced state 1010 to match the ratio of the first width D1 of the display 1001 whose physical size is changed, the first expanded image 1022 or the second It can be changed to the expanded image 1022 .
  • the second width d2 of the image 1012 in the reduced state 1010 may be extended only to the same size as the second width D2 of the display 1001 in which the physical size is not changed.
  • the first extended image 1022 or the second 2 The size of the first width d1 of the extended image 1032 may be fixed without further extending the size. Through this, the ratio of the first width d1 to the second width d2 may be maintained when the images 1012 , 1022 , and 1032 are expanded.
  • FIG. 11 is a view showing text displayed when a size of a display is expanded in a first direction (eg, a y-axis direction) and a size of a display is fixed in a second direction (eg, an x-axis direction) according to various embodiments of the present disclosure; It is a drawing showing the method.
  • the display 1101 may change (eg, expand) in the first direction (eg, the y-axis direction) in the reduced state 1110 to enter the expanded state 1120 .
  • the size of the display 1101 in the second direction eg, the x-axis direction
  • the extended area 1102 may be formed.
  • An object eg, an image or text
  • the extended region 1102 may be formed at the end of the reduced state 1110 in the first direction (eg, the y-axis direction).
  • the physical size of the display 1101 in the first direction may be expanded. Even if the physical size of the display 1101 in the first direction (eg, the y-axis direction) is expanded, the size of the text 1112 is not expanded, and the first direction (eg, the y-axis direction) and the second direction of the text 1112 are It is possible to maintain the size ratio in two directions (x-axis direction).
  • the extended area 1102 that is additionally formed on the display 1101 may be displayed as a blank area.
  • the present invention is not limited thereto, and other objects (eg, images and texts) may be additionally displayed in the extended area 1102 .
  • FIG. 12 is a view showing text displayed when a size of a display is expanded in a first direction (eg, a y-axis direction) and a size of a display is fixed in a second direction (eg, an x-axis direction) according to various embodiments of the present disclosure; It is a drawing showing the method.
  • the display 1101 may change (eg, expand) in the first direction (eg, the y-axis direction) in the reduced state 1110 to enter the expanded state 1130 .
  • the size of the display 1101 in the second direction eg, the x-axis direction
  • the extended area 1102 may be formed.
  • An object eg, an image or text
  • the physical size of the display 1101 in the first direction is expanded to display the expanded display 1103 .
  • the size of the text 1114 may be expanded according to a ratio in which the physical size of the extended display 1103 in the first direction (eg, the y-axis direction) is expanded.
  • the first direction (eg, the y-axis direction) and the second direction of the text 1114 by extending the sizes of the first direction (eg, y-axis direction) and the second direction (x-axis direction) of the text 1114 equally (x-axis direction) can be maintained.
  • the text 1114 may also be displayed in the expansion area 1102 .
  • the remaining area of the extended area 1102 may be displayed as a blank area, or another object (eg, an image or text) may be additionally displayed on the remaining area of the extended area 1102 .
  • FIG. 13 is a diagram illustrating images and text when the size of the display is expanded in the first direction (eg, the y-axis direction) and the size of the display is fixed in the second direction (eg, the x-axis direction) according to various embodiments of the present disclosure; It is a drawing showing how to display.
  • the display 1301 may enter the expanded state 1320 by changing (eg, expanding) the size in the first direction (eg, the y-axis direction) in the reduced state 1310 .
  • the size of the second direction (eg, the x-axis direction) of the extended display 1303 may be fixed.
  • the expansion region 1302 is formed at the end of the first direction (eg, y-axis direction) of the reduced state 1310 .
  • the display 1301 may display an image 1312 and text 1314 .
  • the physical size of the display 1301 in the first direction eg, the y-axis direction
  • it may be changed to the expanded display 1303 .
  • the size of the image 1312 may be expanded according to the expansion ratio of the expanded display 1303 , and the expanded image 1312 may be displayed.
  • the size of the image 1312 in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction) may be expanded at the same rate.
  • the size of the text 1314 is not expanded, but its original size can be displayed as At this time, by the expansion of the size of the image 1312 in the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction), the text 1314 in the first direction (eg, the y-axis direction) The position where is displayed may be changed.
  • the remaining area of the extended area 1302 may be displayed as an empty space, or another object (eg, an image or text) may be additionally displayed on the remaining area of the extended area 1302 .
  • FIG. 14 is a diagram illustrating a decrease in luminance due to an extension of a display.
  • the display 1401 may include a plurality of pixels 1411 .
  • an interval between the plurality of pixels 1411 may increase.
  • the size of the display 1410 may extend in a first direction (eg, a y-axis direction) and a second direction (eg, an x-axis direction).
  • a plurality of pixels 1411 may be disposed to be spaced apart by a first distance.
  • an interval between the plurality of pixels 1411 increases, and the plurality of pixels 1411 may increase by a second distance greater than the first distance.
  • the separation distance d1 of the plurality of pixels 1411 in the first direction eg, the y-axis direction
  • the spacing in the second direction eg, the x-axis direction
  • the distance d2 may increase.
  • the luminance of the display 1401 may be lowered in the enlarged state 1420 compared to the reduced state 1410. have. That is, the number of pixels 1411 is the same, and as the physical area of the display 1401 increases, the luminance of objects (eg, images and text) displayed on the display 1401 may decrease.
  • objects eg, images and text
  • 15 is a diagram illustrating a method of improving current consumption by adjusting luminance according to an extension of a display according to various embodiments of the present disclosure
  • the processor may set the luminance value based on the area of the extended state 1520 of the display 1501 .
  • the processor eg, the processor 120 of FIG. 1
  • the luminance of the plurality of pixels 1511 exceeds the luminance of the plurality of pixels 1521 in the expanded state 1520 .
  • the DDI eg, the DDI 230 of FIG. 2
  • the processor may lower the luminance of the plurality of pixels 1511 in the reduced state 1510 compared to the luminance of the plurality of pixels 1521 in the expanded state 1520 to display them.
  • the processor may set the luminance value of the extended state 1520 of the display 1501 .
  • the processor eg, processor 120 of FIG. 1
  • the processor is configured such that the luminance value of the reduced state 1510 of the display 1501 does not exceed the luminance value of the expanded state 1520 of the display 1501 (eg, the DDI 230 of FIG. 2 ).
  • the DDI eg, the DDI 230 of FIG. 2
  • the DDI may display by lowering the luminance of the plurality of pixels 1511 in the reduced state 1510 . have. Through this, the luminance in the expanded state 1520 and the luminance in the reduced state 1520 may be maintained the same, and the luminance of the plurality of pixels 1511 may be lowered in the reduced state 1520 to improve current consumption. .
  • the display 1501 in the expanded state 1520 of the display 1501 , may expand 1.2 times in the first direction (eg, the y-axis direction) and may expand by 2 times in the second direction (eg, the x-axis direction). .
  • the screen area may be increased by 2.4 times.
  • the processor eg, the processor 120 of FIG. 1
  • the processor may set the luminance of the plurality of pixels 1521 in the extended state 1520 of the display 1501 .
  • the processor eg, the processor 120 of FIG. 1
  • controls the DDI eg, the DDI 230 of FIG.
  • the display 1501 in the expanded state 1520 of the display 1501 , may expand 1.2 times in the first direction (eg, the y-axis direction) and may expand by 2 times in the second direction (eg, the x-axis direction). .
  • the screen area may be increased by 2.4 times.
  • the processor eg, the processor 120 of FIG. 1
  • the processor may set the luminance in the reduced state 1510 of the display 1501 .
  • the processor eg, the processor 120 of FIG. 1
  • controls the DDI eg, the DDI 230 of FIG.
  • the luminance of the plurality of pixels 1521 in the expanded state 1520 of the display 1501 is multiplied by 2.4 times (1.2) compared to the luminance of the plurality of pixels 1511 in the reduced state 1510 of the display 1501 .
  • each of the plurality of pixels 1511 and 1521 included in the display 1501 includes a red sub-pixel for displaying a red color, a green sub-pixel for displaying a green color, and a blue sub-pixel for displaying a blue color.
  • a red sub-pixel and one blue sub-pixel may be included in one pixel 1511 and 1521
  • two green sub-pixels may be included.
  • the luminance of the plurality of pixels 1511 and 1521 is adjusted according to the reduced state 1510 and the expanded state 1520 of the display 1501, the pixels according to red, green, and blue values It is also possible to set the luminance differently for each (1511, 1521). Since the object displayed on the display 1501 may be sensitive to luminance when it has a dark color, it is possible to greatly increase the luminance of the dark color and decrease the luminance of the bright color.
  • 16 is a diagram illustrating a method of driving a switch of pixels according to an extension of a display according to various embodiments of the present disclosure
  • driving of pixels in a reduced state 1610 and an expanded state 1620 of the display may be different.
  • the screen size of the display 1601 may be enlarged from the reduced state 1610 to the enlarged state 1620 , and the screen size may be reduced from the enlarged state 1620 to the reduced state 1610 . .
  • the first pixels 1611a among all the pixels of the display 1601a are driven in the first period.
  • second pixels 1611b among all pixels of the display 1601b may be driven.
  • third pixels 1611c among all pixels of the display 1601c may be driven.
  • fourth pixels 1611d among all pixels of the display 1601d may be driven.
  • the entire pixels of the display are divided into four groups (eg, first pixels 1611a , second pixels 1611b , third pixels 1611c , and fourth pixels 1611d ).
  • the first pixels 1611a, the second pixels 1611b, the third pixels 1611c, and the fourth pixels 1611d of the four groups may be sequentially switched and driven. In this way, it is possible to prevent or improve the burn-in of pixels that may occur due to driving only some pixels for a long time or frequently driving them.
  • 17 is a diagram illustrating a method of driving a switch of pixels according to an extension of a display according to various embodiments of the present disclosure
  • the screen size of the display 1701 may be enlarged from the reduced state 1710 to the enlarged state 1720 , and the screen size may be reduced from the enlarged state 1720 to the reduced state 1710 .
  • Pixels may be driven differently according to the reduced state 1710 and the expanded state 1720 of the display 1701 .
  • the processor controls the DDI (eg, the DDI 230 of FIG. 2 ), and a plurality of pixels in the reduced state 1710 of the display 1701 They can be switched and driven periodically. Even if the plurality of pixels are periodically switched and driven, there may be deviations in red, green, and blue values of each pixel, and thus burn-in may occur in some pixels.
  • the processor eg, the processor 120 of FIG. 1
  • the processor may control the driving of the DDI (eg, the DDI 230 of FIG. 2 ). can In the DDI (eg, the DDI 230 of FIG.
  • the degradation level of the plurality of pixels 1711a , 1711b , 1711c , and 1711d may be estimated for each of the first to fourth blocks 1701a to 1701d .
  • the processor eg, the processor 120 of FIG. 1
  • the processor reflects the estimated deterioration level of the plurality of pixels 1711a , 1711b , 1711c , and 1711d to switch timing of the plurality of pixels 1711a , 1711b , 1711c , and 1711d
  • a DDI eg, the DDI 230 of FIG. 2
  • the processor eg, the processor 120 of FIG.
  • the switching timing of the plurality of pixels 1711a , 1711b , 1711c , and 1711d may be adjusted so that the luminance of the display 1701 is not changed.
  • FIG. 18 is a diagram illustrating an example of a method and a user interface for adjusting luminance according to an extension of a display according to various embodiments of the present disclosure
  • the processor of the electronic device (eg, the processor 120 of FIG. 1 ) provides a luminance control user interface so that the user can adjust the luminance in each of the reduced state 1810 and the expanded state 1820 of the display. can be displayed on the display.
  • the luminance control user interface includes a first luminance control bar 1812 for luminance control in a reduced state 1810 of the display and a second luminance control for luminance control in an expanded state 1820 of the display.
  • a bar 1814 may be included.
  • the processor eg, the processor 120 of FIG. 1
  • the luminance in the reduced state 1810 of the display may be set according to the bar 1812 and the second luminance control bar 1814 .
  • the processor eg, the processor 120 of FIG. 1
  • An electronic device includes a plurality of pixels (eg, pixels Ps of FIG. 3A ), but the distance between the plurality of pixels Ps is variable so that at least a first direction (eg: A flexible display whose physical size is changed in the y-axis direction (eg, the display 301 of FIGS. 3A and 3B , the display 301 of FIG. 4 , the display 1001 of FIG. 10 , the display 1101 of FIG. 11 ) , the display 1301 of FIG. 13 , the display 1401 of FIG. 14 , the display 1501 of FIG. 15 , the display 1601 of FIG. 16 , the display 1701 of FIG.
  • a first direction eg: A flexible display whose physical size is changed in the y-axis direction (eg, the display 301 of FIGS. 3A and 3B , the display 301 of FIG. 4 , the display 1001 of FIG. 10 , the display 1101 of FIG. 11 ) , the display 1301 of FIG. 13 , the display
  • the memory 130 when executed, allows the processor 120 to display content including at least one image and text through the flexible display 301, 1001, 1101, 1301, 1401, 1501, 1601, 1701.
  • the Instructions for adjusting at least one of an image size or pixel information may be stored.
  • the size of the image or The size of at least one of the pixel information in the first direction may be changed.
  • a second direction (eg, the x-axis direction) orthogonal to the first direction (eg, the y-axis direction) of the flexible display (301, 1001, 1101, 1301, 1401, 1501, 1601, 1701) ) can be fixed.
  • the size of the image or The size of at least one of the pixel information in the second direction may be changed.
  • the first direction (eg, the y-axis direction) of the flexible display 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 .
  • the first direction ( Example: The size of the y-axis) can be changed.
  • the size of the image in the second direction (eg, the x-axis direction) may be changed at the same rate as the size of the image in the first direction (eg, the y-axis direction).
  • the size of the text may be maintained regardless of a size change ratio in the first direction (eg, the y-axis direction) of the flexible displays 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , and 1701 .
  • Other content may be additionally displayed in an additional area generated by a change in the size of the flexible display 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , and 1701 in the first direction (eg, the y-axis direction). .
  • the size of the text may be changed according to the rate of change in the size of the flexible display 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 in the first direction (eg, the y-axis direction). have.
  • the display position of the text may be changed according to a change in the size of the image.
  • the image is displayed as the first
  • the size is changed in a direction (eg, y-axis direction) and a second direction (eg, x-axis direction) orthogonal to the first direction (eg, y-axis direction), and the flexible display (301, 1001, 1101, 1301) , 1401 , 1501 , 1601 , 1701 ) may change the size of the image in the second direction (eg, the x-axis direction) up to a size equal to the width in the second direction (eg, the x-axis direction).
  • the size of the image in the first direction eg, the y-axis direction
  • the size of the image in the first direction may be changed to have the same ratio as the change in the size of the image in the second direction (eg, the y
  • the flexible display 301, 1001, 1101, 1301, 1401, 1501, 1601, 1701 may include a display driver IC (DDI) (eg, the DDI 230 of FIG. 2 ).
  • the DDI 230 is in an extended state in which the size of the flexible display 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 is expanded in a first direction (eg, a y-axis direction) and before the expanded state.
  • the luminance of the plurality of pixels Ps is adjusted so that the luminance of the screen is the same, and in the reduced state, the plurality of pixels Ps emit light with a first luminance, and in the enlarged state, the plurality of pixels Ps are emitted.
  • the flexible displays 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , and 1701 may be driven so that the pixels Ps emit light with a second luminance higher than the first luminance.
  • the DDI 230 is based on a size ratio of the flexible display 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 in the first direction (eg, the y-axis direction). Accordingly, the luminance of the plurality of pixels Ps may be adjusted so that the luminance of the reduced state is lower than that of the enlarged state.
  • a method of operating an electronic device includes a first direction (eg, a flexible display 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 ) including a plurality of pixels Ps. : A change in physical size in the y-axis direction) can be detected. Content including at least one image and text may be controlled to be displayed through the flexible display 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , and 1701 .
  • the size or pixel of the image At least one of the information may be adjusted.
  • the size of at least one piece of information in the first direction (eg, the y-axis direction) may be changed.
  • a second direction (eg, the x-axis direction) orthogonal to the first direction (eg, the y-axis direction) of the flexible display (301, 1001, 1101, 1301, 1401, 1501, 1601, 1701) ) can be fixed.
  • the size of the image or the size of at least one of the pixel information in the second direction may be changed.
  • the first direction eg, the y-axis direction
  • the first direction may be changed, and the size of the image may be changed in the second direction (eg, the x-axis direction) in the same ratio as the size of the image in the first direction (eg, the y-axis direction).
  • the size of the text is maintained regardless of the size change rate in the first direction (eg, the y-axis direction) of the flexible display 301, 1001, 1101, 1301, 1401, 1501, 1601, 1701, and the flexible display ( 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , and 1701 ), other content may be additionally displayed in the additional area generated by the change in size in the first direction (eg, the y-axis direction).
  • the size of the text may be changed according to the rate of change in the size of the flexible display 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 in the first direction (eg, the y-axis direction). have.
  • the display position of the text may be changed according to a change in the size of the image.
  • the image is displayed as the first
  • the size is changed in a direction (eg, y-axis direction) and a second direction (eg, x-axis direction) orthogonal to the first direction (eg, y-axis direction), and the flexible display (301, 1001, 1101, 1301) , 1401 , 1501 , 1601 , 1701 ) may change the size of the image in the second direction (eg, the x-axis direction) up to a size equal to the width in the second direction (eg, the x-axis direction).
  • the size of the image in the first direction eg, the y-axis direction
  • the size of the image in the first direction may be changed to have the same ratio as the change in the size of the image in the second direction (eg, the y
  • an extended state in which the size of the flexible display 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 is expanded in a first direction (eg, a y-axis direction) and before the expanded state
  • a first direction eg, a y-axis direction
  • the luminance of the plurality of pixels Ps is adjusted so that the luminance of the screen is the same, and in the reduced state, the plurality of pixels Ps emit light with a first luminance, and in the enlarged state, the plurality of pixels Ps are emitted.
  • the flexible displays 301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , and 1701 may be driven so that the pixels Ps emit light with a second luminance higher than the first luminance.
  • the reduced state is greater than the enlarged state.
  • the luminance of the plurality of pixels Ps may be adjusted so that the luminance of the state is lowered.

Abstract

Un dispositif électronique selon divers modes de réalisation de la présente divulgation peut comprendre un dispositif d'affichage flexible, un processeur et une mémoire. Le dispositif d'affichage flexible comprend une pluralité de pixels, la taille physique du dispositif d'affichage flexible pouvant changer dans au moins une première direction en faisant varier les espaces entre la pluralité de pixels. Le processeur peut être connecté fonctionnellement au dispositif d'affichage flexible. La mémoire peut être connectée fonctionnellement au processeur. La mémoire peut stocker des instructions qui, lorsqu'elles sont exécutées, permettent au processeur de commander pour que le contenu comprenant au moins une image et du texte soit affiché au moyen du dispositif d'affichage flexible, le processeur ajustant les informations de taille et/ou de pixel de l'image sur la base du degré auquel la taille physique de l'affichage flexible change dans la première direction.
PCT/KR2021/017421 2020-12-02 2021-11-24 Dispositif électronique et procédé pour le faire fonctionner WO2022119227A1 (fr)

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KR20200166486 2020-12-02
KR10-2020-0166486 2020-12-02
KR1020210112156A KR20220077846A (ko) 2020-12-02 2021-08-25 전자 장치 및 이의 동작 방법
KR10-2021-0112156 2021-08-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160150533A (ko) * 2015-06-22 2016-12-30 엘지전자 주식회사 변형 가능한 디스플레이 장치 및 그의 동작 방법
KR20170058816A (ko) * 2015-11-18 2017-05-29 삼성전자주식회사 전자 장치 및 이의 제어 방법
KR20170062121A (ko) * 2015-11-27 2017-06-07 엘지전자 주식회사 이동단말기 및 그 제어방법
JP2019191469A (ja) * 2018-04-27 2019-10-31 東芝情報システム株式会社 表示装置、表示方法およびプログラム
US20200193899A1 (en) * 2018-06-13 2020-06-18 Yungu (Gu'an) Technology Co., Ltd. Stretch display screen and display device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160150533A (ko) * 2015-06-22 2016-12-30 엘지전자 주식회사 변형 가능한 디스플레이 장치 및 그의 동작 방법
KR20170058816A (ko) * 2015-11-18 2017-05-29 삼성전자주식회사 전자 장치 및 이의 제어 방법
KR20170062121A (ko) * 2015-11-27 2017-06-07 엘지전자 주식회사 이동단말기 및 그 제어방법
JP2019191469A (ja) * 2018-04-27 2019-10-31 東芝情報システム株式会社 表示装置、表示方法およびプログラム
US20200193899A1 (en) * 2018-06-13 2020-06-18 Yungu (Gu'an) Technology Co., Ltd. Stretch display screen and display device

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