Electronic device and image quality setting method therefor

Abstract

An electronic device is disclosed. The electronic device comprises: a display; a memory for storing at least one instruction; and one or more processors connected to the display and the memory to control the electronic device, wherein the one or more processors may execute the at least one instruction to, when content is played back according to a pre-set event, obtain at least one of image quality information of a predetermined device among at least one external device or image quality information of a device in which the content is most recently played back based on a playback time point of the content, and change an image quality setting of the display on the basis of the obtained image quality information.

Description

Electronic devices and their image quality settings

[0001] The present disclosure relates to an electronic device and a method for setting image quality, and more particularly, to an electronic device for setting image quality based on image quality information of an external device and a method for obtaining a captured image thereof.

[0002] Advances in electronic technology are driving the development of services utilizing various types of electronic devices. In particular, various Multi-Device Experience (MDE) services, which integrate artificial intelligence (AI) and the Internet of Things (IoT) across multiple devices, are being proposed.

[0003] An electronic device according to one or more embodiments includes a display, a memory storing at least one command, and at least one processor connected to the display and the memory to control the electronic device, wherein the at least one processor executes the at least one command so that, when content is played according to a preset event, at least one of image quality information of a preset device among at least one external device or a device on which content was most recently played based on a playback time of the content can be acquired, and the image quality setting of the display can be changed based on the acquired image quality information.

[0004] According to one or more examples, when the content is played while the function of sharing picture quality information between multiple devices is turned on, the one or more processors can obtain at least one of picture quality information of the preset device or picture quality information of the device on which the content was most recently played.

[0005] According to one or more examples, the device further comprises a communication interface, wherein the one or more processors are capable of obtaining picture quality information from at least one of the preset devices or the devices on which content was most recently played.

[0006] According to one or more examples, the device further comprises a communication interface, wherein the one or more processors can obtain picture quality information of at least one of the preset devices or the most recently played content devices from an external server that manages MDE (Multi-Device Experience) information between multiple devices through the communication interface.

[0007] According to one or more examples, the one or more processors may transmit at least one of information about a content playback time of the electronic device or updated picture quality information of the electronic device to the external server.

[0008] According to one or more examples, the one or more processors may provide a first UI screen for selecting one of a plurality of image quality information sharing modes, and may obtain one of image quality information of the preset device or image quality information of the device on which the content was most recently played based on the image quality information sharing mode selected through the first UI screen.

[0009] According to one or more examples, the one or more processors may provide a second UI screen for selecting a shared image quality setting value in each of the plurality of image quality information sharing modes, and may obtain the image quality information based on the image quality setting value selected through the second UI screen in each of the plurality of image quality information sharing modes.

[0010] According to one or more examples, the one or more processors can identify target image quality information based on the acquired image quality information and at least one of the resolution, panel type, or panel performance of the display, and change the image quality setting of the display based on the identified target image quality information.

[0011] According to one or more examples, the image quality information may include at least one of color temperature information, gamma information, brightness information, color information, sharpness information, motion processing information, or contrast ratio information.

[0012] A method for setting the picture quality of an electronic device according to one or more embodiments may include, when content is played according to a preset event, a step of acquiring at least one of picture quality information of a preset device among at least one external device or a device on which content was most recently played based on the time of playing the content, and a step of changing the picture quality setting of the display based on the acquired picture quality information.

[0013] According to one or more examples, the step of acquiring at least one piece of image quality information may acquire at least one of image quality information of the preset device or image quality information of the device on which the content was most recently played when the content is played while the function of sharing image quality information between multiple devices is turned on.

[0014] According to one or more examples, the step of acquiring at least one piece of image quality information may acquire image quality information from at least one of the preset device or the device on which the content was most recently played.

[0015] According to one or more examples, the step of acquiring at least one piece of image quality information may acquire image quality information of at least one of the preset device or the device on which the content was most recently played from an external server that manages MDE (Multi-Device Experience) information between multiple devices through the communication interface.

[0016] According to one or more examples, the method may further include transmitting at least one of information about a content playback time of the electronic device or updated picture quality information of the electronic device to the external server.

[0017] According to one or more examples, the method may include providing a first UI screen for selecting one of a plurality of image quality information sharing modes, and obtaining one of image quality information of the preset device or image quality information of the device on which the content was most recently played based on the image quality information sharing mode selected through the first UI screen.

[0018] According to one or more examples, the method may include providing a second UI screen for selecting a shared image quality setting value in each of the plurality of image quality information sharing modes, and obtaining the image quality information based on the image quality setting value selected through the second UI screen in each of the plurality of image quality information sharing modes.

[0019] According to one or more examples, the step of changing the image quality setting of the display may include the step of identifying target image quality information based on the acquired image quality information and at least one of the resolution, panel type, or panel performance of the display, and the step of changing the image quality setting of the display based on the identified target image quality information.

[0020] According to one or more examples, the image quality information may include at least one of color temperature information, gamma information, brightness information, color information, sharpness information, motion processing information, or contrast ratio information.

[0021] A non-transitory computer-readable medium storing computer instructions that, when executed by a processor of an electronic device according to one or more embodiments, cause the electronic device to perform an operation, the operation may include: when content is played back according to a preset event, acquiring at least one of image quality information of a preset device among at least one external device or a device on which content was most recently played back based on a playback time of the content; and changing an image quality setting of the display based on the acquired image quality information.

[0022] FIG. 1A is a diagram illustrating an MDE environment according to one or more embodiments of the present disclosure.

[0023] FIG. 1b is a diagram illustrating an MDE environment according to one or more embodiments of the present disclosure.

[0024] FIG. 2A is a block diagram illustrating a configuration of an electronic device according to one or more embodiments.

[0025] FIG. 2b is a block diagram specifically illustrating a configuration of an electronic device according to one or more embodiments.

[0026] FIG. 3 is a flowchart for explaining a method for setting image quality of an electronic device (100) according to one or more embodiments.

[0027] FIG. 4 is a flowchart illustrating a method for setting image quality of an electronic device according to one or more embodiments.

[0028] FIG. 5A is a diagram illustrating an example of a UI screen according to one or more embodiments.

[0029] FIG. 5b is a diagram illustrating an example of a UI screen according to one or more embodiments.

[0030] FIG. 6A is a diagram illustrating various MDE services according to one or more embodiments.

[0031] FIG. 6b is a diagram illustrating various MDE services according to one or more embodiments.

[0032] FIG. 6c is a diagram illustrating various MDE services according to one or more embodiments.

[0033] FIG. 6d is a diagram illustrating various MDE services according to one or more embodiments.

[0034] FIG. 6e is a diagram illustrating various MDE services according to one or more embodiments.

[0035] FIG. 6f is a diagram illustrating various MDE services according to one or more embodiments.

[0036] FIG. 7 is a diagram illustrating a method for sharing image quality information according to one or more embodiments.

[0037] FIG. 8 is a diagram illustrating a method for sharing image quality information according to one or more embodiments.

[0038] Hereinafter, the present disclosure will be described in detail with reference to the attached drawings.

[0039] The terms used in this specification will be briefly explained, and the present disclosure will be described in detail.

[0040] The terminology used in this disclosure has been selected from widely used, current terms, taking into account the functions of the disclosure. However, this may vary depending on the intentions of those skilled in the art, precedents, the emergence of new technologies, etc. Furthermore, in certain cases, terms may be arbitrarily selected by the applicant, and in such cases, their meanings will be described in detail in the description of the relevant disclosure. Therefore, the terms used in this disclosure should not be defined simply as names, but rather based on the meanings of the terms and the overall content of the disclosure.

[0041] Terms like "first" and "second" may be used to describe various components, but the components should not be limited by these terms. These terms are used solely to distinguish one component from another.

[0042] Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as "comprise" or "consist of" are intended to indicate the presence of a feature, number, step, operation, component, part, or combination thereof described in the specification, but should be understood not to preclude the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

[0043] The expression "at least one of A or B" should be understood to mean either "A" or "B" or "A and B".

[0044] In the present disclosure, a "module" or "part" performs at least one function or operation and may be implemented in hardware or software, or a combination of hardware and software. Furthermore, multiple "modules" or multiple "parts" may be integrated into at least one module and implemented by one or more processors (not shown), excluding any "modules" or "parts" that need to be implemented in specific hardware.

[0045] Below, with reference to the attached drawings, embodiments of the present disclosure are described in detail so that those skilled in the art can easily implement the present disclosure. However, the present disclosure may be implemented in various different forms and is not limited to the embodiments described herein. In addition, in the drawings, parts irrelevant to the description are omitted for clarity of description of the present disclosure, and similar parts are designated with similar reference numerals throughout the specification.

[0046] One or more embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings.

[0047] FIG. 1A and FIG. 1B are drawings illustrating an MDE environment according to one or more embodiments of the present disclosure.

[0048] Multi-Device Experience (MDE) refers to a user environment that integrates the Internet of Things (IoT) and / or artificial intelligence (AI) across multiple devices to provide differentiated experiences. For example, various types of devices, such as TVs, home appliances, mobile devices, and wearables, can be connected to provide a variety of services.

[0049] According to an example, a plurality of devices for providing an MDE environment, for example, the first electronic device (100) and the second electronic device (200), can be implemented as various devices. For example, the first electronic device (100) and the second electronic device (200) can be implemented as electronic devices having a display function, such as a TV, a smart monitor, a projector, a smart phone, a tablet PC, a desktop PC, a laptop PC, a PC, a portable multimedia player (PMP), a large format display (LFD), a digital signage, a digital information display (DID), a video wall, a navigation system, an AI speaker, etc. In addition, the first electronic device (100) and the second electronic device (200) can be implemented as home appliances having a display function, such as a refrigerator, an air conditioner, an air purifier, an oven, a washing machine, etc. In addition, the first electronic device (100) and the second electronic device (200) can be implemented as wearable devices having a display function, such as a smart watch.

[0050] The first electronic device (100) and the second electronic device (200) can communicate through various communication methods, including wired communication as well as wireless communication such as Bluetooth communication, Wi-Fi communication, infrared communication, and mobile communication.

[0051] As an example, let us assume that the first electronic device (100) is implemented as a TV and the second electronic device (200) is implemented as a smart phone, as shown in FIGS. 1a and 1b.

[0052] According to the example illustrated in FIG. 1A, the first electronic device (100) and the second electronic device (200) can be implemented in a form that can perform direct communication without going through a separate server and control the second electronic device (200) through the first electronic device (200). According to one example, the first electronic device (100) and the second electronic device (200) can perform communication through a short-range communication method such as Bluetooth communication or Wi-Fi direct communication.

[0053] According to the example illustrated in FIG. 1B, the first electronic device (100) and the second electronic device (200) may be pre-registered through the server (300). For example, at least one of the first electronic device (100) and the second electronic device (200) may install an IoT (Internet of Things) application for registering and managing multiple electronic devices to the server (300). The application is software that is directly used by the user on the OS, and may be provided in the form of an icon interface on the screen of at least one of the first electronic device (100) and the second electronic device (200). According to an example, the first electronic device (100) and the second electronic device (200) may be IoT (Internet of Things) devices that support a WiFi module for communicating with the server (300). For example, a user can execute an IoT application on at least one of a first electronic device (100) or a second electronic device (200), enter a user account, and log in to the server (300) through the entered user account. At least one of the first electronic device (100) or the second electronic device (200) can communicate with the server (300) based on the logged-in user account. The server (300) can manage the first electronic device (100) and the second electronic device (200) registered to the user account as an MDE (Multi Device Experience) service providing device. Here, the server (300) can be implemented as a cloud server, but is not limited thereto.

[0054] For example, content provided on a first electronic device (100) may be continued on a second electronic device (200) or viewed through content sharing, such as screen mirroring. In this case, due to the nature of the currently provided service, there is a problem in that the first electronic device (100) and the second electronic device (200) cannot provide the same picture quality experience.

[0055] Accordingly, the following describes various embodiments that can provide the same picture quality experience on multiple devices when providing content according to the MDE service.

[0056] FIG. 2A is a block diagram illustrating a configuration of an electronic device according to one or more embodiments.

[0057] According to FIG. 2a, the electronic device (100) includes a display (110), a memory (120), and one or more processors (130).

[0058] The display (110) may be implemented as a display including a self-luminous element or a display including a non-luminous element and a backlight. For example, it may be implemented as various types of displays such as an LCD (Liquid Crystal Display), an OLED (Organic Light Emitting Diodes) display, an LED (Light Emitting Diodes), a micro LED, a Mini LED, a PDP (Plasma Display Panel), a QD (Quantum dot) display, a QLED (Quantum dot light-emitting diodes), etc. The display (110) may also include a driving circuit, a backlight unit, etc., which may be implemented in a form such as an a-si TFT, an LTPS (low temperature poly silicon) TFT, an OTFT (organic TFT), etc. According to an example, a touch sensor that detects a touch operation in the form of a touch film, a touch sheet, a touch pad, etc. may be disposed on the front of the display (110) so as to be implemented so as to detect various types of touch inputs. For example, the display (110) can detect various types of touch inputs, such as a touch input by a user's hand, a touch input by an input device such as a stylus pen, and a touch input by a specific electrostatic material. Here, the input device can be implemented as a pen-type input device that can be referred to by various terms such as an electronic pen, a stylus pen, an S-pen, etc. According to an example, the display (110) can be implemented as a flat display, a curved display, a flexible display that can be folded or / and rolled, etc.

[0059] The memory (120) can store data required for various embodiments. Depending on the purpose of data storage, the memory (120) may be implemented in the form of memory embedded in the electronic device (100) or in the form of memory that can be attached or detached from the electronic device (100). For example, data for driving the electronic device (100) may be stored in a memory embedded in the electronic device (100'), and data for expanding the functions of the electronic device (100) may be stored in a memory that can be attached or detached from the electronic device (100). Meanwhile, in the case of memory embedded in the electronic device (100), it may be implemented as at least one of volatile memory (e.g., dynamic RAM (DRAM), static RAM (SRAM), or synchronous dynamic RAM (SDRAM)), non-volatile memory (e.g., one time programmable ROM (OTPROM), programmable ROM (PROM), erasable and programmable ROM (EPROM), electrically erasable and programmable ROM (EEPROM), mask ROM, flash ROM, flash memory (e.g., NAND flash or NOR flash), hard drive, or solid state drive (SSD). In addition, in the case of memory that can be attached or detached to the electronic device (100'), it may be implemented as at least one of memory cards (e.g., compact flash (CF), secure digital (SD), micro secure digital (Micro-SD), mini secure digital (Mini-SD), extreme digital (xD), multi-media card (MMC), etc.), external memory that can be connected to a USB port (e.g., USB memory), etc. It can be implemented in the form of.

[0060] One or more processors (130) control the overall operation of the electronic device (100). Specifically, one or more processors (130) may be connected to each component of the electronic device (100) to control the overall operation of the electronic device (100). For example, one or more processors (130) may be electrically connected to the display (110) and the memory (120) to control the overall operation of the electronic device (100). The processor (130) may be composed of one or more processors.

[0061] One or more processors (130) may perform operations of the electronic device (100) according to various embodiments by executing at least one instruction stored in the memory (120).

[0062] The one or more processors (130) may include one or more of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), an Accelerated Processing Unit (APU), a Many Integrated Core (MIC), a Digital Signal Processor (DSP), a Neural Processing Unit (NPU), a hardware accelerator, or a machine learning accelerator. The one or more processors (130) may control one or any combination of other components of the electronic device, and may perform operations related to communication or data processing. The one or more processors (130) may execute one or more programs or instructions stored in a memory. For example, the one or more processors may perform a method according to one or more embodiments of the present disclosure by executing one or more instructions stored in a memory.

[0063] When a method according to one or more embodiments of the present disclosure includes multiple operations, the multiple operations may be performed by one processor or by multiple processors. For example, when a first operation, a second operation, and a third operation are performed by a method according to one or more embodiments, the first operation, the second operation, and the third operation may all be performed by the first processor, or the first operation and the second operation may be performed by the first processor (e.g., a general-purpose processor) and the third operation may be performed by the second processor (e.g., an artificial intelligence-specific processor).

[0064] One or more processors (130) may be implemented as a single core processor including one core, or may be implemented as one or more multicore processors including multiple cores (e.g., homogeneous multicores or heterogeneous multicores). When one or more processors (130) are implemented as a multicore processor, each of the multiple cores included in the multicore processor may include an internal processor memory, such as a cache memory or an on-chip memory, and a common cache shared by the multiple cores may be included in the multicore processor. In addition, each of the multiple cores (or some of the multiple cores) included in the multicore processor may independently read and execute a program instruction for implementing a method according to one or more embodiments of the present disclosure, or all (or some) of the multiple cores may be linked to read and execute a program instruction for implementing a method according to one or more embodiments of the present disclosure.

[0065] When a method according to one or more embodiments of the present disclosure includes a plurality of operations, the plurality of operations may be performed by one core among the plurality of cores included in a multi-core processor, or may be performed by the plurality of cores. For example, when a first operation, a second operation, and a third operation are performed by a method according to one or more embodiments, the first operation, the second operation, and the third operation may all be performed by a first core included in the multi-core processor, or the first operation and the second operation may be performed by a first core included in the multi-core processor, and the third operation may be performed by a second core included in the multi-core processor.

[0066] In the embodiments of the present disclosure, a processor may mean a system on a chip (SoC) in which one or more processors and other electronic components are integrated, a single-core processor, a multi-core processor, or a core included in a single-core processor or a multi-core processor, wherein the core may be implemented as a CPU, a GPU, an APU, a MIC, a DSP, an NPU, a hardware accelerator, or a machine learning accelerator, but the embodiments of the present disclosure are not limited thereto. Hereinafter, for the convenience of explanation, one or more processors (130) will be referred to as a processor (130).

[0067] FIG. 2b is a block diagram specifically illustrating a configuration of an electronic device according to one or more embodiments.

[0068] According to FIG. 2b, the electronic device (100') may include a display (110), a memory (120), one or more processors (130), a communication interface (140), a user interface (150), a camera (160), a speaker (170), and a sensor (180). Among the configurations illustrated in FIG. 2b, a detailed description of configurations that overlap with those illustrated in FIG. 2a will be omitted.

[0069] It goes without saying that the communication interface (140) can be implemented as various interfaces depending on the implementation example of the electronic device (100'). For example, the communication interface (140) can communicate with an external device, an external storage medium (e.g., a USB memory), an external server (e.g., a web hard drive), etc. through a communication method such as Bluetooth, AP-based Wi-Fi (Wireless LAN network), Zigbee, wired / wireless LAN (Local Area Network), WAN (Wide Area Network), Ethernet, IEEE 1394, HDMI (High-Definition Multimedia Interface), USB (Universal Serial Bus), MHL (Mobile High-Definition Link), AES / EBU (Audio Engineering Society / European Broadcasting Union), optical, coaxial, etc. According to one example, the communication interface (140') can communicate with another electronic device, an external server, and / or a remote control device.

[0070] The user interface (150) may be implemented as a device such as a button, a touch pad, a mouse, and a keyboard, or as a touch screen that can also perform the display function and operation input function described above.

[0071] The camera (160) can be turned on and take pictures according to a preset event. The camera (160) can convert the captured image into an electrical signal and generate image data based on the converted signal. For example, the subject can be converted into an electrical image signal through a semiconductor optical element (CCD; Charge Coupled Device), and the converted image signal can be amplified and converted into a digital signal and then signal processed. For example, the camera (120) can be implemented as a general camera, a stereo camera, a depth camera, etc.

[0072] The speaker (170) may be configured to output various audio data as well as various notification sounds or voice messages. The processor (130) may control the speaker (170) to output feedback or various notifications in audio format according to various embodiments of the present disclosure.

[0073] The sensor (180) may include various types of sensors such as a touch sensor, a proximity sensor, an acceleration sensor (or a gravity sensor), a geomagnetic sensor, a gyro sensor, a pressure sensor, a position sensor, a distance sensor, a light sensor, etc.

[0074] In addition, the electronic device (100') may include a microphone (not shown), a tuner (not shown), and a demodulator (not shown) depending on the implementation example.

[0075] A microphone (not shown) is configured to receive user voice or other sounds and convert them into audio data. However, according to another embodiment, the electronic device (100') may receive user voice input via an external device through a communication interface (110).

[0076] A tuner (not shown) can receive RF broadcast signals by tuning to a channel selected by a user or all previously stored channels among RF (Radio Frequency) broadcast signals received through an antenna.

[0077] The demodulator (not shown) receives and demodulates a digital IF signal (DIF) converted from the tuner, and can also perform channel decoding, etc.

[0078] FIG. 3 is a flowchart for explaining a method for setting image quality of an electronic device (100) according to one or more embodiments.

[0079] According to one or more embodiments illustrated in FIG. 3, when content is played back according to a preset event (S310), the processor (130) may acquire at least one of the picture quality information of a preset device among at least one external device or a device on which content was most recently played back based on the time of content playback (S320). For example, the preset device may be a preset main device among a plurality of devices providing an MDE service. For example, the device on which content was most recently played back may be a device on which a user's viewing history is most recently located among a plurality of devices providing an MDE service. According to an example, the picture quality information may include at least one of color temperature information, gamma information, brightness information, color information, sharpness information, motion processing information, contrast ratio information, edge processing information, or texture processing information.

[0080] Next, the processor (130) can change the image quality setting of the electronic device (100) based on the acquired image quality information.

[0081] According to an example, the electronic device (100) and the external device may be implemented as the first electronic device (100) and the second electronic device (200) illustrated in FIGS. 1A and 1B. Accordingly, the electronic device (100) and the external device (200) may be implemented to provide an MDE service through direct communication or communication via a server (300).

[0082] According to one or more embodiments, when content is played while the function for sharing image quality information between multiple devices is turned ON, the processor (130) may acquire at least one of image quality information of a preset external device or image quality information of a device on which content was most recently played.

[0083] For example, the processor (130) may obtain picture quality information from at least one of a preset external device or a device on which content was most recently played.

[0084] For example, which device to share the picture quality information of, for example, a preset external device or the device on which content was most recently played may be set by a function for sharing picture quality information between multiple devices.

[0085] For example, if the image quality information of a preset external device (e.g., a main device) is set to be shared, the electronic device (100) can obtain the image quality information of the device. For the sake of convenience of explanation, the term "pre-set external device" is used as an example, but it is understood that the main device can be the electronic device (100).

[0086] For example, if the electronic device (100) is set to share the image quality information of the device on which content was most recently played, the electronic device (100) can obtain the image quality information of that device. In one example, the device on which content was most recently played may also be the electronic device (100).

[0087] For example, the processor (130) may acquire image quality information of at least one of a preset external device or the most recently played device from an external server that manages MDE (Multi-Device Experience) information between multiple devices. For example, the external server may be implemented as the server (300) illustrated in FIG. 1B.

[0088] According to one embodiment, the processor (130) may transmit at least one of information regarding the content playback time of the electronic device (100) or updated picture quality information of the electronic device (100) to the external server (300). In this case, the external server (300) may store and manage the content playback time and updated picture quality information of a plurality of pre-registered devices including the electronic device (100). For example, the external server (300) may manage the content playback time and updated picture quality information of a plurality of pre-registered devices in the form of a lookup table. In this case, the external server (300) may transmit the picture quality information of the main device or the picture quality information of the device on which the content was most recently played to the electronic device (100) when a preset event occurs in the electronic device (100) or at the request of the electronic device (100).

[0089] According to one embodiment, the processor (130) can store and manage content playback timing and updated image quality information of multiple pre-registered devices, including the electronic device (100). For example, if the electronic device (100) is implemented as a device that manages an MDE service, it can directly receive and manage content playback timing and updated image quality information from multiple devices.

[0090] Meanwhile, in the above-described embodiment, it has been described that image quality information is acquired when content is played in the electronic device (100), but this is for convenience of explanation and is not limited thereto.

[0091] For example, the electronic device (100) may acquire image quality information and store it in the memory (120), and then change the image quality settings based on the image quality information when playing content. Alternatively, if the image quality information of a preset device is updated, the image quality information may be shared with multiple devices including the electronic device (100). Alternatively, the image quality information of the device on which content was most recently played may be shared with multiple devices including the electronic device (100) at the time of playing the content on that device.

[0092] FIG. 4 is a flowchart illustrating a method for setting image quality of an electronic device according to one or more embodiments.

[0093] According to one embodiment, when the function for sharing image quality information between multiple devices is turned on (S410), the processor (130) can identify whether the set sharing mode is the first sharing mode (S420).

[0094] If the processor (130) identifies that the set sharing mode is the first sharing mode (S420:Y), it can obtain image quality information of the set device (S430).

[0095] Additionally, if the processor (130) identifies that the set sharing mode is not the first sharing mode (S420:N), it can identify whether the set sharing mode is the second sharing mode (S44).

[0096] If the processor (130) identifies that the set sharing mode is the second sharing mode (S44:Y), it can obtain the picture quality information of the device on which the content was most recently played (S450).

[0097] For example, the first sharing mode may be a mode in which multiple devices providing MDE services share the image quality information of a preset main device (e.g., a TV). Furthermore, the second sharing mode may be a mode in which multiple devices providing MDE services share the image quality information of the final viewing device, i.e., the device on which content was most recently played.

[0098] According to one or more embodiments, the processor (130) may provide a first UI screen for selecting one of a plurality of image quality information sharing modes. For example, the first UI screen may include an option menu for selecting one of the first sharing mode and the second sharing mode. According to one example, the processor (130) may obtain image quality information of a preset device or image quality information of a device on which content was most recently played based on the image quality information sharing mode selected through the first UI screen.

[0099] According to one or more embodiments, the processor (130) may provide a second UI screen for selecting a shared image quality setting value in each of the plurality of image quality information sharing modes. For example, the second UI screen may include an options menu for selecting an image quality setting value to be shared in each of the first sharing mode and the second sharing mode.

[0100] For example, the processor (130) may acquire image quality information based on image quality setting values ​​selected through the second UI screen in each of the multiple image quality information sharing modes. For example, preset image quality setting values ​​may be shared in each of the first sharing mode and the second sharing mode, but only the image quality setting values ​​selected through the second UI screen may be shared.

[0101] FIGS. 5A and 5B are drawings illustrating examples of UI screens according to one or more embodiments.

[0102] According to one or more embodiments, a UI screen for setting a quality sharing mode may include an option for setting a quality sharing setting, an option for turning the quality sharing mode ON / OFF, an option for setting the quality sharing mode, and an option for setting a main device in the first sharing mode.

[0103] As an example, a UI screen for setting a picture quality sharing mode may be provided as a menu on the execution screen of an IoT application installed on a smart phone (200) as illustrated in FIG. 5a.

[0104] For example, when an IoT application provides an option menu (511) for setting picture quality sharing on the execution screen, and the menu (511) is selected, a UI screen (510) including an option (512) for turning the picture quality sharing mode ON / OFF, an option (513) for setting the picture quality sharing mode, and an option (514) for setting the main device in the first sharing mode may be provided. For example, the title of the option menu for setting the picture quality sharing mode may be PQ MDE Setting. In addition, the option (512) for turning the picture quality sharing mode ON / OFF may be a PQ MDE ON / OFF option. In addition, the option (513) for setting the picture quality sharing mode may be a MDE PQ Main / Each option. Here, the Main mode may represent the first sharing mode that shares the picture quality information of the main device described above, and the Each mode may represent the second sharing mode that shares the picture quality information of the recently viewed device described above. The option (514) to set the main device in the first shared mode may be the MDE PQ Main Device option.

[0105] According to one or more embodiments, a UI screen for setting a picture quality sharing mode may be provided on at least one of a plurality of devices providing an MDE service, and may also be provided on a TV (100) screen as illustrated in FIG. 5b. In the case of a TV screen, the corresponding UI screen may be provided on an execution screen of an IoT application, similar to a smart phone (200), or may be provided through an OSD menu of the TV. For example, a UI screen (520) provided on a TV screen may include an option title (521) for setting picture quality information sharing, an option (521) for turning the picture quality sharing mode ON / OFF, an option (523) for setting the picture quality sharing mode, and an option (524) for setting a main device in the first sharing mode as illustrated in FIG. 5b.

[0106] However, the UI screens shown in FIGS. 5a and 5b are only examples, and the arrangement of each option, option type (toggle type, button type, etc.), and title may be changed in various ways.

[0107] FIGS. 6A to 6F are drawings for explaining various MDE services according to one or more embodiments.

[0108] Figure 6a is a diagram illustrating Coherence mode, an example of an MDE service. Coherence mode is a view mode that allows a specific application to run another application. For example, it allows for the simultaneous use of Windows and Mac applications without managing two separate desktops or rebooting. The aforementioned image quality information sharing function can also be provided between multiple devices operating in this Coherence mode.

[0109] Figure 6b is a diagram illustrating Synchronization mode, an example of an MDE service. Synchronization mode is a mode in which multiple devices are temporarily synchronized and used. Thus, the aforementioned image quality information sharing function can be provided even between multiple devices operating in Synchronization mode.

[0110] Figure 6c is a diagram illustrating Screen Sharing mode, an example of an MDE service. Screen Sharing mode is a mode for sharing the screens of multiple devices, and the aforementioned image quality information sharing function can be provided even between multiple devices operating in Screen Sharing mode.

[0111] Figure 6d is a diagram illustrating the Device Shifting mode, an example of an MDE service. Device Shifting mode operates through content shifting between multiple devices. Thus, the aforementioned image quality information sharing function can be provided between multiple devices operating in Device Shifting mode.

[0112] Figure 6e is a diagram illustrating Complementarity mode, an example of an MDE service. Complementarity mode is a mode in which multiple devices operate in a complementary manner. Thus, the aforementioned image quality information sharing function can be provided even among multiple devices operating in Complementarity mode.

[0113] Figure 6f is a diagram illustrating Simultaneity mode, an example of an MDE service. Simultaneity mode is a mode in which multiple devices operate simultaneously, and thus the aforementioned image quality information sharing function can be provided even among multiple devices operating in Simultaneity mode.

[0114] According to one or more embodiments, the electronic device (100) may change the image quality setting of the display (110) based on image quality information acquired according to the sharing mode. In one example, the electronic device (100) may identify target image quality information based on the acquired image quality information and at least one of specification information of the display (110), for example, resolution, panel type, or panel performance, and may change the image quality setting of the display (110) based on the identified target image quality information.

[0115] For example, image quality information shared between multiple devices providing an MDE service may include at least one of color temperature information, gamma information, brightness information, color information, sharpness information, motion processing information, or contrast ratio information. For example, color temperature information may be expressed as a value of 6500K to 12000K, but is not limited thereto. For example, gamma information may be expressed as a value of 2.2, 2.4, ST2084, HLG, etc. For example, brightness information may include a brightness value or a brightness ratio. For example, color information may include a color value or a color ratio. For example, sharpness information may include a sharpness value or a sharpness ratio. For example, motion processing information may include image processing information according to motion size. For example, contrast ratio information may include tone mapping curve information.

[0116] According to one or more embodiments, since the display characteristics are different for each device, even if the same image quality information is shared, it may be difficult to apply the image quality information identically to each device. For example, color temperature information and gamma information may be reflected identically across multiple devices, but brightness information, color information, sharpness information, etc. may be difficult to apply identically depending on at least one of the resolution, panel type, or panel performance of the display provided on each device. In this case, the same ratio, similar value, etc. may be applied based on the acquired image quality information. For example, if the acquired brightness information is 80% of the maximum brightness of the target device, the electronic device (100) may change the image quality setting to 80% of the maximum value of the display (110). In addition, if the electronic device (100) is a user terminal such as a smartphone, the battery status, etc. may also affect the image quality setting. For example, if the acquired brightness information is 500 nits, but the battery status of the electronic device (100) can output up to 450 nits, the image quality may be set to 450 nits. For example, if the acquired image quality setting is a function not supported by the electronic device (100), the image quality setting may be ignored or a similar image quality setting function may be applied.

[0117] FIGS. 7 and 8 are drawings for explaining a method of sharing image quality information according to one or more embodiments.

[0118] Let us assume that a first electronic device (100), a second electronic device (200), and a third electronic device (400) are registered as MDE service providing devices through a server (300) according to one or more embodiments.

[0119] For example, when content is played on the first electronic device (100), the first electronic device (100) can obtain picture quality information of the main device or the recently viewed device according to the set sharing mode. For example, the sharing mode may be set identically for multiple devices providing the MDE service, or may be set differently for each. For example, the first electronic device (100), the second electronic device (200), and the third electronic device (400) may all be set to the first sharing mode, or the first electronic device (100) may be set to the second sharing mode, and the second electronic device (200) and the third electronic device (400) may be set to the first sharing mode.

[0120] According to one or more embodiments, when the sharing mode of the first electronic device (100) is set to the second sharing mode, the first electronic device (100) may acquire image quality information of the device on which content was most recently played (or the device on which content was most recently viewed by the user) and change the image quality setting based on the acquired image quality information. For example, if the third electronic device (400) is the device on which content was most recently played, the first electronic device (100) may receive image quality information of the corresponding device from the server (300). Alternatively, the first electronic device (100) may directly receive image quality information of the corresponding device from the third electronic device (300).

[0121] For example, according to FIG. 7, a first electronic device (100) implemented as a TV can obtain image quality information of a third electronic device (400) implemented as a tablet. The first electronic device (100) can adjust the color temperature of the display (110) based on the color temperature information included in the image quality information of the third electronic device (400) and correct the gamma value of the display (110) based on the gamma information. Here, the color temperature is a number that expresses the color of a light source using absolute temperature. The color temperature may be lower for a light source with a redder color system, and the color temperature may be higher for a light source with a bluer color system. The temperature may use Kelvin, which is a traditional absolute temperature unit. Gamma is a numerical value that determines the correlation between the brightness (Gray Level) of a signal input to the display and the luminance of an image displayed on the screen. Depending on the gamma value, a difference in the brightness tone expressed may be felt even on the same screen.

[0122] In addition, the first electronic device (100) and the third electronic device (400) can change the image quality settings of the display (110) based on at least one of brightness information, color information, sharpness information, motion processing information, or contrast ratio information. For example, if it is difficult for the first electronic device (100) to directly reflect the image quality value of the third electronic device (400), it can reflect it in the form of an appropriate factor, such as a ratio or similar value.

[0123] For example, according to FIG. 8, a first electronic device (100) implemented as a projector device can obtain image quality information of a third electronic device (400) implemented as a tablet. The first electronic device (100) can adjust the brightness of a projected image based on brightness information included in the obtained image quality information of the third electronic device (400). However, it may be difficult to set the same brightness depending on the image projection function of the first electronic device (100) and at least one of the specification information of the display provided in the third electronic device (400), for example, resolution, panel type, or panel performance. Based on the image projection function of the first electronic device (100) and at least one of the resolution, panel type, or panel performance of the display provided in the third electronic device (400), the brightness of the projected image can be adjusted so that the brightness of the image projected through the first electronic device (100) is similar to the brightness of the image provided through the display provided in the third electronic device (400).

[0124] According to one or more embodiments, the electronic device (100) may acquire target image quality information of the electronic device (100) based on image quality information of an external device acquired using a learning network model. For example, the electronic device (100) may input the acquired image quality information of the external device and specification information (e.g., display specification information) of the electronic device (100) into the learning network model to acquire target image quality information for implementing the same image quality in the electronic device (100).

[0125] According to the various embodiments described above, the same picture quality experience can be provided among multiple devices providing MDE services, thereby improving the user UX experience.

[0126] Meanwhile, the methods according to the various embodiments of the present disclosure described above can be implemented in the form of applications that can be installed on existing electronic devices. Alternatively, the methods according to the various embodiments of the present disclosure described above, for example, image processing based on acquired image quality information, can be performed using a deep learning-based artificial neural network (or deep artificial neural network), i.e., a learning network model. Alternatively, target image quality information corresponding to the acquired image quality information can be acquired using the learning network model.

[0127] Additionally, the methods according to the various embodiments of the present disclosure described above can be implemented only with a software upgrade or a hardware upgrade for an existing electronic device.

[0128] Additionally, the various embodiments of the present disclosure described above can also be performed through an embedded server provided in an electronic device, or an external server of the electronic device.

[0129] Meanwhile, according to a temporary example of the present disclosure, the various embodiments described above can be implemented as software including instructions stored in a machine-readable storage medium that can be read by a machine (e.g., a computer). The device is a device that can call instructions stored from the storage medium and operate according to the called instructions, and may include an electronic device (e.g., electronic device (A)) according to the disclosed embodiments. When an instruction is executed by a processor, the processor can perform a function corresponding to the instruction directly or by using other components under the control of the processor. The instruction may include code generated or executed by a compiler or interpreter. The machine-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' means that the storage medium does not contain a signal and is tangible, but does not distinguish between data being stored semi-permanently or temporarily in the storage medium.

[0130] Furthermore, according to one or more embodiments of the present disclosure, the methods according to the various embodiments described above may be provided as included in a computer program product. The computer program product may be traded as a commodity between sellers and buyers. The computer program product may be distributed in the form of a machine-readable storage medium (e.g., compact disc read only memory (CD-ROM)) or online through an application store (e.g., Play Store™). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily generated in a storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.

[0131] In addition, each of the components (e.g., modules or programs) according to the various embodiments described above may be composed of a single or multiple entities, and some of the corresponding sub-components described above may be omitted, or other sub-components may be further included in various embodiments. Alternatively or additionally, some components (e.g., modules or programs) may be integrated into a single entity, which may perform the same or similar functions as those performed by each of the corresponding components prior to integration. Operations performed by modules, programs or other components according to various embodiments may be executed sequentially, in parallel, iteratively or heuristically, or at least some operations may be executed in a different order, omitted, or other operations may be added.

[0132] Although the preferred embodiments of the present disclosure have been illustrated and described above, the present disclosure is not limited to the specific embodiments described above, and various modifications may be made by a person having ordinary skill in the art to which the present disclosure pertains without departing from the gist of the present disclosure as claimed in the claims, and such modifications should not be understood individually from the technical idea or prospect of the present disclosure.

Claims

1. In electronic devices, display; a memory storing at least one instruction; and comprising one or more processors connected to the display and the memory for controlling the electronic device; The one or more processors, by executing the at least one instruction, According to the pre-set event When content is played according to a preset event, at least one of the picture quality information of the preset device among at least one external device or the device on which the content was most recently played based on the playback time of the content is acquired, An electronic device that changes the image quality setting of the display based on the acquired image quality information.

2. In paragraph 1, One or more of the above processors, An electronic device that, when the content is played while the function for sharing image quality information between multiple devices is turned on, acquires at least one of image quality information of the preset device or image quality information of the device on which the content was most recently played.

3. In paragraph 1, further comprising a communication interface; One or more of the above processors, An electronic device that obtains picture quality information from at least one of the above-described preset devices or the device on which content was most recently played.

4. In paragraph 1, further comprising a communication interface; One or more of the above processors, An electronic device that acquires picture quality information of at least one of the preset devices or the most recently played content devices from an external server that manages MDE (Multi-Device Experience) information between multiple devices through the communication interface.

5. In paragraph 4, One or more of the above processors, An electronic device that transmits at least one of information about the playback time of content of the electronic device or updated picture quality information of the electronic device to the external server.

6. In paragraph 1, One or more of the above processors, Provides a first UI screen for selecting one of multiple quality information sharing modes, An electronic device that acquires either the image quality information of the preset device or the image quality information of the device on which content was most recently played based on the image quality information sharing mode selected through the first UI screen.

7. In paragraph 5, One or more of the above processors, Provides a second UI screen for selecting a shared image quality setting value in each of the above multiple image quality information sharing modes, An electronic device that obtains the image quality information based on the image quality setting value selected through the second UI screen in each of the plurality of image quality information sharing modes.

8. In paragraph 1, One or more of the above processors, Identifying target image quality information based on the acquired image quality information and at least one of the resolution, panel type, or panel performance of the display, An electronic device that changes the image quality setting of the display based on the identified target image quality information.

9. In paragraph 1, The above image quality information is, An electronic device comprising at least one of color temperature information, gamma information, brightness information, color information, sharpness information, motion processing information, or contrast ratio information.

10. In the method of setting the image quality of an electronic device, When content is played according to a preset event, a step of acquiring at least one of the picture quality information of at least one preset device among at least one external device or the device on which the content was most recently played based on the playback time of the content; and A method for setting image quality, comprising: a step of changing the image quality setting of the display based on the acquired image quality information.

11. In paragraph 10, The step of obtaining at least one of the above image quality information comprises: A method for setting image quality, wherein when the content is played while the function for sharing image quality information between multiple devices is turned on, at least one of image quality information of the preset device or image quality information of the device on which the content was most recently played is acquired.

12. In paragraph 10, The step of obtaining at least one of the above image quality information comprises: A method for setting image quality, wherein image quality information is acquired from at least one of the above-mentioned preset devices or the device on which content was most recently played.

13. In paragraph 10, The step of obtaining at least one of the above image quality information comprises: A method for setting image quality, wherein image quality information of at least one of the preset devices or the most recently played content is acquired from an external server that manages MDE (Multi-Device Experience) information between multiple devices through the communication interface.

14. In paragraph 13, A method for setting image quality, further comprising: a step of transmitting at least one of information on the content playback time of the electronic device or updated image quality information of the electronic device to the external server.

15. A non-transitory computer-readable medium storing computer instructions that, when executed by a processor of an electronic device, cause the electronic device to perform an operation, The above actions are, When content is played according to a preset event, a step of acquiring at least one of the picture quality information of at least one preset device among at least one external device or the device on which the content was most recently played based on the playback time of the content; and A non-transitory computer-readable medium comprising: a step of changing the image quality setting of the display based on the acquired image quality information.

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