WO2022119227A1

WO2022119227A1 - Electronic device and method for operating same

Info

Publication number: WO2022119227A1
Application number: PCT/KR2021/017421
Authority: WO
Inventors: 강주영; 곽명훈; 김영성; 조정민; 홍성민; 박지혜
Original assignee: 삼성전자 주식회사
Priority date: 2020-12-02
Filing date: 2021-11-24
Publication date: 2022-06-09

Abstract

An electronic device according to various embodiments of the present disclosure can comprise a flexible display, a processor and memory. The flexible display comprises a plurality of pixels, wherein the physical size of the flexible display can change in at least a first direction by varying the gaps between the plurality of pixels. The processor can be operatively connected to the flexible display. The memory can be operatively connected to the processor. The memory can store instructions which, when executed, enable the processor to control such that content comprising at least one image and text is displayed by means of the flexible display, wherein the processor adjusts the size and/or pixel information of the image on the basis of the degree to which the physical size of the flexible display changes in the first direction.

Description

Electronic device and method of operation thereof

Various embodiments of the present disclosure relate to an electronic device and an operating method thereof.

BACKGROUND ART 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. In recent years, 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. In addition, it is necessary to adjust the luminance according to the change of the screen size.

In an electronic device including a flexible display (eg, a flexible display) (eg, a stretchable display) (eg, an expandable display), 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. When the size of an object (eg, image, text) is changed in an electronic device including a flexible display, 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.

In an electronic device including a variable display, 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.

The technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned can be clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. have.

An electronic device according to various embodiments of the present disclosure 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 according to various embodiments of the present disclosure 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 according to various embodiments of the present disclosure 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.

An electronic device and an operating method thereof according to various embodiments of the present disclosure may adjust luminance according to a size change of the variable display.

An electronic device and an operating method thereof according to various embodiments of the present disclosure 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.

In addition, various effects directly or indirectly identified through this document may be provided.

1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure;

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 .

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;

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;

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;

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;

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

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.

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.

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.

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.

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.

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;

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;

1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments of the present disclosure. 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 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 . According to an embodiment, 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. In some embodiments, 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 . In some embodiments, some of these components (eg, sensor module 176 , camera module 180 , or antenna module 197 ) 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 . According to an embodiment, 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). For example, when the electronic device 101 includes the main processor 121 and the sub-processor 123 , the sub-processor 123 may use less power than the main processor 121 or may be set to be specialized for a specified function. can The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

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. According to an embodiment, the auxiliary processor 123 (eg, an image signal processor or a communication processor) may be implemented as a part of another functionally related component (eg, the camera module 180 or the 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. 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. According to an embodiment, 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).

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. According to an embodiment, 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 ). According to an 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 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an 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 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. According to an 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 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 . According to an embodiment, the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to an 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). 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. According to an 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, : It may include a LAN (local area network) communication module, or a power line communication module). 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). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. 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)). 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 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 ). According to an embodiment, 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).

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, 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. According to an 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 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. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) other than the radiator may be additionally formed as a part of the antenna module 197 .

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, 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.

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 a signal ( eg commands or data) can be exchanged with each other.

According to an embodiment, 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 . According to an embodiment, 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 . For example, when the electronic device 101 is to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, 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. For this, for example, 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. 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 an embodiment, 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 according to various embodiments disclosed in this document 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. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of the present disclosure and terms used therein are not intended to limit the technical features described in this document to specific embodiments, and should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "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 , B, or C" each may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as “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.

The term “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. can be used A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

According to various embodiments of the present disclosure, one or more instructions stored in a storage medium (eg, the internal memory 136 or the external memory 138) readable by a machine (eg, the electronic device 101) may be implemented as software (eg, the program 140) including For example, a processor (eg, processor 120 ) of a device (eg, electronic device 101 ) may call at least one command among one or more commands stored from a storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command. 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-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.

According to an embodiment, 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 Store™) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly between smartphones (eg: smartphones) and online. In the case of online distribution, at least 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.

According to various embodiments, 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. . According to various embodiments, 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. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, 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. . According to various embodiments, 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.

According to an embodiment, 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).

According to an embodiment, 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).

According to an embodiment, 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.

According to an embodiment, the display module 160 shown in FIG. 1 may include a flexible display configured to be folded or unfolded.

According to an embodiment, 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).

According to an embodiment, the display module 160 may be referred to as a variable display (eg, a stretchable display), an expandable display, or a slide-out display.

According to an embodiment, the display module 160 shown in FIG. 1 may include a bar type display or a plate type display.

Referring to FIG. 2 , 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 . may include

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 .

According to an embodiment, 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.

According to an embodiment, 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).

According to an embodiment, 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.

According to an embodiment, 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.

According to an embodiment, 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 . In an embodiment, 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

As an embodiment, 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).

According to an 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 .

As an embodiment, 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 . 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 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 ).

According to an embodiment, at least a part of the touch circuit 250 (eg, the touch sensor IC 253 ) may be included as a part of the display driver IC 230 or the display 200 .

According to an embodiment, at least a part of the touch circuit 250 (eg, the touch sensor IC 253 ) may be included as a part of another component (eg, the auxiliary processor 123 ) disposed outside the display module 160 . can

According to an embodiment, 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. In this case, 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 . For example, when 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. As another example, if the sensor module 176 embedded in the display module 160 includes a pressure sensor, the pressure sensor may acquire pressure information related to a touch input through a part or the entire area of the display 200 . can For another example, when the sensor module 176 embedded in the display module 160 includes an extended detection sensor, the extended detection sensor detects a change in the area (eg, screen size) of a display (eg, a variable display). can sense According to an embodiment, 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.

Referring to FIG. 3A , 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 ).

According to an embodiment, in the display 301, 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).

According to an embodiment, 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) It may include a flexible display (eg, a stretchable display) (eg, an expandable display) that can be reduced in an axial direction).

According to an embodiment, in the display 301, 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) that can be reduced in a direction opposite to the y-axis direction (eg, the -y-axis direction) and in a direction opposite to the second direction (eg, the x-axis direction) (eg, the -x-axis direction) display) (eg, expandable display).

In FIG. 3A , the reduced state 310 of the display 301 and the expanded state 320 in which the display 301 is expanded in the first direction (eg, the y-axis 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.

According to an embodiment, 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. For example, when the display 301 is expanded (eg, stretched) in the first direction (eg, the y-axis direction), 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 . Also, 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 . As such, in the second direction (eg, the x-axis direction), 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 (eg, the x-axis direction) may be expanded.

According to an embodiment, 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. For example, when the display 301 is expanded (eg, stretched) in the second direction (eg, the x-axis direction), a third interval d3 is formed between the first pixel p1 and the third pixel p3 . may be extended (eg, increased) to the fourth interval d4 in . Also, 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 . As such, in the second direction (eg, the x-axis direction), 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 (eg, the x-axis direction) may be expanded.

According to an embodiment, 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.

3A and 3B , a plurality of pixels Ps of the display 301 may emit light to display an object 312 (eg, an image, text). When the display 301 is expanded in the first direction (eg, the y-axis direction), 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. Here, 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).

According to an embodiment, 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). Here, the physical size of the display 301 in the second direction (eg, the x-axis direction) may not be changed. As an example, the processor (eg, processor 120 in FIG. 1 ) 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.

As an embodiment, 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. Here, the physical size of the display 301 in the second direction (eg, the x-axis direction) may not be changed. As an example, the processor (eg, the processor 120 of FIG. 1 ) controls the DDI (eg, the DDI 230 of FIG. 2 ) to change the size of the object 312 (eg, the image) in the -y-axis direction ( The size of the object 312 (eg, image, text) may be reduced in the -x-axis direction according to the expanded ratio.

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.

4 and 5 , 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 ) to determine the state information area (eg, the reduced state 310 and the extended state 320 of the display 301 ) 410 ), the image area 420 , and the text area 430 may adjust a size ratio. For example, according to the reduced state 310 and the expanded state 320 of the display 301 , 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. For example, 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. For example, 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.

According to an embodiment, 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). When the display 301 is changed to the expansion ecology 320, the size of the image 420 in the first direction (eg, the y-axis direction) is expanded to match the ratio expanded in the first direction (eg, the y-axis direction). can Here, the physical size of the display 301 in the second direction (eg, the x-axis direction) is not changed, but the second direction ( Ex: x-axis direction) can be expanded.

As an embodiment, even if the display 301 is changed to the extended ecology 320, the size ratio of the state information area 410 and the text area 430 in the first direction (eg, the y-axis direction) is not changed. size can be maintained. For example, when 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. For example, when the size ratio in the first direction (eg, y-axis direction) of the text area 430 is fixed, the size of the text object displayed in the text area 430 in the first direction (eg, y-axis direction) may remain unchanged and retain its previous size. In addition, 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). Here, the position at which the state information area 410 is displayed may be maintained without being changed. For example, 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. For example, when 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.

As an embodiment, when the display 301 is changed to the expanded ecology 320, 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). have. That is, when the display 301 is changed to the expanded ecology 410, the size of the text 430 is not changed, but the position at which the text 430 is displayed may be changed according to the ratio of the display 301 being expanded. have.

As an embodiment, when the display 301 is changed to the expansion ecology 320 , 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. Here, if the physical size of the display 301 in the second direction (eg, the x-axis direction) is not changed, the size of the text area 430 in the second direction (eg, the x-axis direction) does not change and does not change. size can be maintained. Here, even if the size of the text area 430 in the first direction (eg, the y-axis direction) is expanded, the size of the text object displayed in the text area 430 may not be changed and the previous size may be maintained. As the size of the text area 430 in the first direction (eg, the y-axis direction) is expanded, the number of text objects displayed in the text area 430 may increase by the expanded size.

4 and 6 , the display 301 may change from a reduced state 610 to an expanded state 620 . According to an embodiment, when changing from the reduced state 610 to the expanded state 620 , the processor (eg, the processor 120 of FIG. 1 ) displays a pixel ( ) for displaying state information in the state information area 410 . p) can be mapped. Also, pixels p for displaying an image may be mapped to the image area 420 . Also, pixels p for displaying a text object may be mapped to the text area 430 . According to an embodiment, the display 301 may change from the expanded state 620 to the reduced state 610 . When the expanded state 620 is changed to the reduced state 610 , the processor (eg, the processor 120 of FIG. 1 ) 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.

According to an embodiment, 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 . In the reduced state 610 before the display 301 is changed to the expanded state 620, 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), When the extended state 620 is changed, the size of the state information displayed in the state information area 410 may be maintained by re-mapping the duplicated pixels p.

As an embodiment, when the display 301 is expanded by two times in the first direction (eg, the y-axis direction), 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 .

4 and 7 , when only specific pixels are driven in the reduced state 710 and the expanded state 720 of the display 301 , burn-in may occur in the specific pixels.

According to an embodiment, in order to prevent burn-in of the display 301 from occurring, 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 . In order to prevent burn-in from occurring in the reduced screen 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. When the 0,0 pixel 711 and the 1,0 pixel 712 in the reduced state 710 are 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.

Referring to FIG. 8 , a display (eg, the display 301 of FIG. 4 ) may change from a reduced state 810 to an expanded state 820 . According to an embodiment, when the display (eg, the display 301 of FIG. 4 ) is expanded in the first direction (eg, the y-axis direction), the image 830 in the expanded state 820 is displayed in the first direction (eg, the y-axis direction). : It is possible to increase not only the size of the y-axis direction) but also the size of the second direction (eg, the x-axis direction). Through this, in the expanded state 820 , 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.

According to an embodiment, when the display (eg, the display 301 of FIG. 4 ) is expanded in the first direction (eg, the y-axis direction), 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) may be expanded. In addition, 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). . By increasing the size of the second direction (eg, the x-axis direction) according to the ratio of the expanded 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). In the expanded state 820 , 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.

Referring to FIG. 9 , the physical size of the display (eg, the display 301 of FIG. 4 ) in the first direction (eg, the y-axis direction) is changed from the reduced state 910 to the first expanded state 920 ( e.g.) can be extended. In this case, 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 of the display (eg, the display 301 of FIG. 4 ) in the first direction (eg, the y-axis direction) is changed from the first expanded state 920 to the second expanded state 930 (eg, expanded) can be In this case, the physical size of the display in the second direction (eg, the x-axis direction) may be fixed. In addition, the physical size of the display (eg, the display 301 of FIG. 4 ) in the first direction (eg, the y-axis direction) is changed from the second expanded state 930 to the first expanded state 920 (eg: can be reduced). In this case, 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 . can In this case, 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.

As an embodiment, in the display (eg, the display 301 of FIG. 4 ), the physical size in the first direction (eg, the y-axis direction) is expanded by 15% in the reduced state 910 to the first expanded state 920 . can be changed to As an embodiment, in the display (eg, the display 301 of FIG. 4 ), the physical size in the first direction (eg, the y-axis direction) is expanded by 30% in the reduced state 910 to the second expanded state 930 . can be changed to When the display is changed from the reduced state 910 to the first expanded state 920 to the second expanded state 930 , the image according to the rate at which the size of the display (eg, the display 301 of FIG. 4 ) is expanded The size of 912 can also be expanded sequentially.

As an embodiment, when the display (eg, the display 301 of FIG. 4 ) is changed from the reduced state 910 to the first expanded state 920 , 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.

As an embodiment, when the display (eg, the display 301 of FIG. 4 ) is changed from the first expanded state 920 to the second expanded state 930 , 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 ).

Here, since the physical size of the display (eg, the display 301 of FIG. 4 ) in the first direction (eg, the y-axis direction) is expanded, the first direction (eg, the y-axis) of the image 912 by the expanded ratio direction) may be enlarged and displayed. Since the physical size of 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 .

Referring to FIG. 10 , according to an embodiment, 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 . can be In this case, the size of the display 1001 in the second direction (eg, the x-axis direction) may be fixed.

According to an embodiment, 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 . . In this case, the size of the display 1001 in the second direction (eg, the x-axis direction) may be fixed.

According to an embodiment, 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 . . In this case, the size of the display 1001 in the second direction (eg, the x-axis direction) may be fixed.

According to an embodiment, 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 . In this case, the size of the display 1001 in the second direction (eg, the x-axis direction) may be fixed.

As an embodiment, 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 . As an embodiment, 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 .

According to an embodiment, 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). Also, 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).

As an embodiment, when the display 1001 is changed from the reduced state 1010 to the first expanded state 1020, the physical expansion ratio (eg, 15% expansion) in the first direction (eg, the y-axis direction) 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. .

As an embodiment, when the display 1001 is changed from the reduced state 1010 to the second expanded state 1030, the physical expansion ratio (eg, 30% expansion) in the first direction (eg, the y-axis direction) 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.

As an embodiment, 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 . By extending 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 . Here, 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. When the second width d2 of the

images

1012, 1022, and 1032 is extended 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.

Referring to FIG. 11 , 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 . In this case, the size of the display 1101 in the second direction (eg, the x-axis direction) may be fixed. When the physical size of the display 1101 in the first direction (eg, the y-axis direction) is expanded, the extended area 1102 may be formed. An object (eg, an image or text) may be additionally displayed in the extended area 1102 of the display 1101 whose size is extended in the first direction (eg, the y-axis direction). Here, the extended region 1102 may be formed at the end of the reduced state 1110 in the first direction (eg, the y-axis direction).

According to an embodiment, when the text 1112 is displayed on the display 1101 , the physical size of the display 1101 in the first direction (eg, the y-axis 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 .

Referring to FIG. 12 , 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 . In this case, the size of the display 1101 in the second direction (eg, the x-axis direction) may be fixed. When the physical size of the display 1101 in the first direction (eg, the y-axis direction) is expanded, the extended area 1102 may be formed. An object (eg, an image or text) may be additionally displayed in the extended area 1102 of the display 1103 whose size is extended in the first direction (eg, the y-axis direction).

According to an embodiment, when the text 1114 is displayed on the display 1101 , the physical size of the display 1101 in the first direction (eg, the y-axis direction) is expanded to display the expanded display 1103 . can be changed. 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. As the size of the text 1114 increases according to the expansion ratio of the display 1101 , 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 .

Referring to FIG. 13 , 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 . In this case, the size of the second direction (eg, the x-axis direction) of the extended display 1303 may be fixed. When the physical size of the display 1301 in the first direction (eg, y-axis direction) is expanded, the expansion region 1302 is formed at the end of the first direction (eg, y-axis direction) of the reduced state 1310 . can be

As an example, the display 1301 may display an image 1312 and text 1314 . When the physical size of the display 1301 in the first direction (eg, the y-axis direction) is expanded, 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. In this case, 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.

As an embodiment, even if the physical size of the display 1301 in the first direction (eg, the y-axis direction) is expanded and changed to the expanded display 1303 , 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. In addition, 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 .

Referring to FIG. 14 , the display 1401 may include a plurality of pixels 1411 . In the first direction (eg, the y-axis direction) and the second direction (eg, the x-axis direction), an interval between the plurality of pixels 1411 may increase. As the distance between the plurality of pixels 1411 increases, 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).

According to an embodiment, in the reduced state 1410 of the display 1401 , a plurality of pixels 1411 may be disposed to be spaced apart by a first distance. In the enlarged state 1420 of the display 1401 , 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. In the enlarged state 1420 of the display 1401 , the separation distance d1 of the plurality of pixels 1411 in the first direction (eg, the y-axis direction) increases, and the spacing in the second direction (eg, the x-axis direction) is increased. The distance d2 may increase. When the luminance of the plurality of pixels 1411 is the same in the reduced state 1410 and the enlarged state 1420 of the display 1401, 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.

Referring to FIG. 15 , the processor (eg, the processor 120 of FIG. 1 ) may set the luminance value based on the area of the extended state 1520 of the display 1501 . In the processor (eg, the processor 120 of FIG. 1 ), in the reduced state 1510 of the display 1501 , 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 ) may be controlled so as not to do so. The processor (eg, the processor 120 of FIG. 1 ) 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.

As an embodiment, the processor (eg, the processor 120 of FIG. 1 ) may set the luminance value of the extended state 1520 of the display 1501 . The processor (eg, processor 120 of FIG. 1 ) 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 ). ) can be controlled. Based on the control of the processor (eg, the processor 120 of FIG. 1 ), the DDI (eg, the DDI 230 of FIG. 2 ) 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. .

According to an embodiment, in the expanded state 1520 of the display 1501 , 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). . When the display 1501 is in the expanded state 1520 compared to the reduced state 1510 , the screen area may be increased by 2.4 times. In this case, the processor (eg, the processor 120 of FIG. 1 ) 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. 2 ) to control a plurality of pixels 1521 in the expanded state 1520 versus the collapsed state 1510 of the display 1501 . ) can be displayed by lowering the luminance by 2.4 times (1.2 X 2 = 2.4). Through this, the current consumption can be improved by maintaining the same luminance in the reduced state 1510 and the expanded state 1520 of the display 1501 and lowering the luminance of the plurality of pixels 1511 in the reduced state 1510 . have.

According to an embodiment, in the expanded state 1520 of the display 1501 , 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). . When the display 1501 is in the expanded state 1520 compared to the reduced state 1510 , the screen area may be increased by 2.4 times. The processor (eg, the processor 120 of FIG. 1 ) 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. 2 ) to increase the luminance of the plurality of pixels 1521 in the extended state 1520 of the display 1501 . can For example, 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 . X 2=2.4) can be displayed higher. Through this, the luminance of the reduced state 1510 and the expanded state 1520 of the display 1501 may be maintained to be the same.

According to an embodiment, 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. For example, one red sub-pixel and one blue sub-pixel may be included in one

pixel

1511 and 1521 , and two green sub-pixels may be included. When 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.

Referring to FIG. 16 , driving of pixels in a reduced state 1610 and an expanded state 1620 of the display may be different.

According to an embodiment, 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 . .

As an embodiment, in the reduced state 1610 of the display 1601a before the expanded state 1620 of the display 1601 , the first pixels 1611a among all the pixels of the display 1601a are driven in the first period. can Subsequently, in the second period, second pixels 1611b among all pixels of the display 1601b may be driven. Subsequently, in the third period, third pixels 1611c among all pixels of the display 1601c may be driven. Subsequently, in a fourth period, fourth pixels 1611d among all pixels of the display 1601d may be driven. In this way, 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 ). can 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.

Referring to FIG. 17 , 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 .

According to an embodiment, the processor (eg, the processor 120 of FIG. 1 ) 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. In order to prevent or improve the occurrence of burn-in of the display 1701 , the processor (eg, the processor 120 of FIG. 1 ) may control the driving of the DDI (eg, the DDI 230 of FIG. 2 ). can In the DDI (eg, the DDI 230 of FIG. 2 ), 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 ) 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 ) may be controlled to adjust . As an example, the processor (eg, the processor 120 of FIG. 1 ) may reduce the driving timing of pixels with a high degradation level and increase the driving timing of pixels with a low degradation level. In this case, 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.

Referring to FIG. 18 , 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.

According to an embodiment, 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 ) controls the user's first luminance when the user manipulates the first luminance control bar 1812 and the second luminance control bar 1814 displayed by the luminance control user interface. 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 . Also, the processor (eg, the processor 120 of FIG. 1 ) may set the luminance in the extended state 1820 of the display to match the user's first luminance control bar 1812 and the second luminance control bar 1814 . .

An electronic device according to various embodiments of the present disclosure 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. 17 ), the

flexible displays

301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 ) and a processor (processor 120 of FIG. 1 ), and a memory operatively coupled with the processor 120 (eg, memory 130 of FIG. 1 ) )) may be included. 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. control to be displayed, but based on the degree to which the physical size of the

flexible display

301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 changes in the first direction (eg, the y-axis direction), the Instructions for adjusting at least one of an image size or pixel information may be stored.

According to an embodiment, the size of the image or The size of at least one of the pixel information in the first direction (eg, the y-axis direction) may be changed.

According to an embodiment, 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.

According to an embodiment, the size of the image or The size of at least one of the pixel information in the second direction (eg, the x-axis direction) may be changed.

According to an embodiment, according to the ratio of size change in 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). .

According to an embodiment, 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.

According to an embodiment, the display position of the text may be changed according to a change in the size of the image.

According to an embodiment, in accordance with a ratio of size change in the first direction (eg, y-axis direction) of the

flexible display

301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 , 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). Also, the size of the image in the first direction (eg, the y-axis direction) may be changed to have the same ratio as the change in the size of the image in the second direction (eg, the x-axis direction).

According to an embodiment, 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 ). have. 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. In the reduced 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.

According to an embodiment, 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 according to various embodiments of the present disclosure 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 . Based on the degree to which the physical size of the

flexible display

301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 changes in the first direction (eg, the y-axis direction), the size or pixel of the image At least one of the information may be adjusted.

According to an embodiment, the image size or the pixel according to a size change ratio in the first direction (eg, y-axis direction) of the

flexible display

301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 . The size of at least one piece of information in the first direction (eg, the y-axis direction) may be changed.

According to an embodiment, according to a size change ratio of the

flexible display

301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 in the first direction (eg, the y-axis direction), the size of the image or the The size of at least one of the pixel information in the second direction (eg, the x-axis direction) may be changed.

flexible display

301 , 1001 , 1101 , 1301 , 1401 , 1501 , 1601 , 1701 , the first direction ( For example, the size of the y-axis 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).

flexible display

According to an embodiment, 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 In the reduced 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

According to an embodiment, based on the ratio of 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 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.

Claims

In an electronic device,

a flexible display including a plurality of pixels, wherein an interval between the plurality of pixels is variable so that a physical size of the plurality of pixels is changed in at least a first direction;

a processor operatively connected to the flexible display; and

and a memory operatively coupled to the processor;

The memory, when executed, the processor

Control to display content including at least one image and text through the flexible display, and based on the degree to which the physical size of the flexible display changes in the first direction, at least one of the size of the image and the pixel information storing instructions to control one,

electronic device.
According to claim 1,

changing the size in the first direction of at least one of the size of the image and the pixel information according to a size change ratio of the flexible display in the first direction,

electronic device.
3. The method of claim 2,

fixing a physical size of the flexible display in a second direction orthogonal to the first direction;

electronic device.
4. The method of claim 3,

changing the size in the second direction of at least one of the size of the image and the pixel information in accordance with a size change ratio of the flexible display in the first direction,

electronic device.
4. The method of claim 3,

changing the size of the image in the first direction according to the size change ratio in the first direction of the flexible display, and changing the size of the image in the second direction at the same rate as the size of the image in the first direction,

maintaining the size of the text regardless of the rate of change in size in the first direction of the flexible display;

additionally displaying other content in an additional area generated by a change in size of the flexible display in a first direction,

electronic device.
4. The method of claim 3,

changing the size of the text according to a size change ratio in the first direction of the flexible display,

electronic device.
6. The method of claim 5,

Changing the display position of the text according to the size change of the image,

electronic device.
According to claim 1,

Changing the size of the image in the first direction and in a second direction orthogonal to the first direction according to a size change ratio of the flexible display in the first direction,

changing the size of the image in the second direction only to the same size as the width of the flexible display in the second direction,

changing the size of the image in the first direction to be at the same rate as the change in size in the second direction of the image,

electronic device.
According to claim 1,

and a display driver IC (DDI) for driving the flexible display,

The DDI adjusts the luminance of the plurality of pixels so that the luminance of the screen is the same in the expanded state in which the size of the flexible display in the first direction is expanded and in the reduced state before the expanded state,

driving the flexible display to emit light with a first luminance to the plurality of pixels in the reduced state and to emit light to the plurality of pixels at a second luminance higher than the first luminance in the enlarged state;

electronic device.
10. The method of claim 9,

wherein the DDI adjusts luminance of the plurality of pixels so that luminance of the reduced state is lower than that of the enlarged state based on a size ratio of the flexible display in the first direction;

electronic device.
A method of operating an electronic device, comprising:

detecting a physical size change in a first direction of a flexible display including a plurality of pixels;

Control to display content including at least one image and text through the flexible display,

adjusting at least one of a size of the image and pixel information based on a degree to which a physical size of the flexible display changes in the first direction;

A method of operation of an electronic device.
12. The method of claim 11,

changing the size of at least one of the image size and the pixel information in the first direction according to a size change ratio of the flexible display in the first direction,

A method of operation of an electronic device.
13. The method of claim 12,

fixing a physical size of the flexible display in a second direction orthogonal to the first direction;

A method of operation of an electronic device.
12. The method of claim 11,

Changing the size of the image in the first direction and in a second direction orthogonal to the first direction according to a size change ratio of the flexible display in the first direction,

changing the size of the image in the second direction only to the same size as the width of the flexible display in the second direction,

changing the size of the image in the first direction to be at the same rate as the change in size in the second direction of the image,

A method of operation of an electronic device.
12. The method of claim 11,

Adjusting the luminance of the plurality of pixels so that the luminance of the screen is the same in the expanded state in which the size of the flexible display is expanded in the first direction and in the reduced state before the expanded state,

driving the flexible display to emit light with a first luminance to the plurality of pixels in the reduced state and to emit light to the plurality of pixels at a second luminance higher than the first luminance in the enlarged state;

A method of operation of an electronic device.