Electronic device for controlling display of three-dimensional object on basis of rotation of electronic device, and control method therefor

Abstract

An electronic device according to one embodiment of the present document may be configured to store instructions configured to: while a light field display of the electronic device is in a first non-rotating state, display a first object in three dimensions by using the light field display; on the basis that the light field display of the electronic device is switched from the first state to a second state in which the light field display is rotated to be included within a first designated angle range, display the first object displayed in three dimensions after changing a display attribute thereof; on the basis that the light field display of the electronic device is switched from the second state to a third state in which the light field display is rotated to be included within a second designated angle range, change and display the first object, the display attribute of which has been changed, into a two-dimensional image; and on the basis that the light field display of the electronic device is switched from the third state to a second non-rotating state, re-display the first object displayed in the two-dimensional image in three dimensions.

Description

Electronic device for controlling display of three-dimensional object based on rotation of electronic device and control method thereof

[0001] This document relates to an electronic device for controlling the display of a three-dimensional object based on the rotation of the electronic device and a control method thereof.

[0002] The variety of services and additional features offered through electronic devices, such as display devices, is steadily increasing. To enhance the utility of these devices and satisfy the needs of diverse users, telecommunications service providers and electronic device manufacturers are competitively developing electronic devices to offer a variety of features and differentiate themselves from competitors. Consequently, the various functions offered through electronic devices are also becoming increasingly sophisticated.

[0003] The above information may be provided as background art to aid in understanding the present disclosure. No claim or determination is made as to whether any of the above is applicable as prior art related to the present disclosure.

[0004] Conventional electronic devices equipped with light field displays display the same 3D image as before the display was rotated, even when the display was rotated. Depending on the rotation of the display, 3D objects provided through the electronic device equipped with a light field display may not be presented properly to the user. Consequently, the electronic device may not provide an immersive viewing experience to the user.

[0005] According to one embodiment of the present document, an electronic device may be provided that can continuously provide an immersive viewing experience to a user even when the state of the electronic device changes by changing the display properties (e.g., the size of the 3D object) of a 3D object being displayed through the electronic device when rotation of the electronic device and / or the display of the electronic device is detected.

[0006] According to one embodiment of the present document, a method of controlling an electronic device can be provided that can continuously provide an immersive viewing environment to a user even when the state of the electronic device changes by changing the display properties (e.g., the size of the 3D object) of a 3D object being displayed through the electronic device when rotation of the electronic device and / or the display of the electronic device is detected.

[0007] An electronic device according to one embodiment of the present document includes a light field display, at least one processor, and a memory, wherein the memory may store instructions that, when executed by the at least one processor, cause the electronic device to display a first object in three dimensions using the light field display while the light field display of the electronic device is in a first non-rotated state, change a display property of the first object being displayed in three dimensions and display it based on a transition of the light field display of the electronic device from the first state to a second state in which the object is rotated to be included within a first specified angular range, change the display property of the first object being displayed in three dimensions and display it based on a transition of the light field display of the electronic device from the second state to a third state in which the object is rotated to be included within a second specified angular range, change the display property of the first object, of which the display property has been changed, into a two-dimensional image and display it, and re-display the first object displayed as the two-dimensional image in three dimensions based on a transition of the light field display of the electronic device from the third state to a second non-rotated state.

[0008] A computer-readable non-transitory recording medium according to one embodiment of the present document is configured to store a plurality of instructions, wherein the plurality of instructions, when executed by at least one processor of an electronic device, cause the electronic device to display a first object in three dimensions using a light field display while the light field display of the electronic device is in a first non-rotated state, change a display property of the first object being displayed in three dimensions and display it based on a transition of the light field display of the electronic device from the first state to a second state in which the object is rotated to be included within a first specified angular range, change the display property of the first object being displayed in three dimensions and display it based on a transition of the light field display of the electronic device from the second state to a third state in which the object is rotated to be included within a second specified angular range, change the first object having the changed display property to a two-dimensional image and display it, and re-display the first object displayed as the two-dimensional image in three dimensions based on a transition of the light field display of the electronic device from the third state to a second non-rotated state.

[0009] A method for controlling an electronic device according to one embodiment of the present document may include: displaying a first object in three dimensions using a light field display while the light field display of the electronic device is in a first non-rotated state; changing display properties of the first object being displayed in three dimensions and displaying the first object based on the light field display of the electronic device being switched from the first state to a second state in which the light field display is rotated to be included within a first specified angular range; changing the first object having the changed display properties and displaying the first object as a two-dimensional image based on the light field display of the electronic device being switched from the second state to a third state in which the light field display is rotated to be included within a second specified angular range; and re-displaying the first object displayed as the two-dimensional image in three dimensions based on the light field display of the electronic device being switched from the third state to a second non-rotated state.

[0010] FIG. 1 is a block diagram of an electronic device within a network environment according to various embodiments of the present document.

[0011] FIG. 2 is an exemplary drawing for explaining the configuration of an electronic device according to one embodiment of the present document.

[0012] FIG. 3 is an exemplary drawing for explaining a function or operation of changing and displaying a display property of a three-dimensional object displayed on an electronic device based on the rotation of the electronic device according to one embodiment of the present document.

[0013] FIG. 4 is an exemplary drawing for explaining a case where the display state of a three-dimensional object changes according to the rotation of an electronic device according to one embodiment of the present document.

[0014] FIG. 5a, FIG. 5b, FIG. 5c, FIG. 5d, and FIG. 5e are example drawings for explaining the functions or operations illustrated in FIG. 3 from a user interface perspective.

[0015] FIG. 6 is an exemplary drawing for explaining a function or operation of controlling the rotation speed of an electronic device based on a rotation angle of the electronic device entering a specified angle range according to an embodiment of the present document.

[0016] FIG. 7 is an example drawing for explaining the functions or operations illustrated in FIG. 6 from a user interface perspective according to one embodiment of the present document.

[0017] FIGS. 8A, 8B, 8C, and 8D are exemplary drawings for explaining a function or operation of an electronic device to determine a rotation and / or a rotated angle of the electronic device based on an angle between a center line of the electronic device and a direction of a user's eyes according to one embodiment of the present document.

[0018] FIG. 1 is a block diagram of an electronic device (101) within a network environment (100) according to various embodiments.

[0019] Referring to FIG. 1, in a network environment (100), an electronic device (101) may communicate with an electronic device (102) via a first network (198) (e.g., a short-range wireless communication network), or may communicate with at least one of an electronic device (104) or a server (108) via a second network (199) (e.g., a long-range wireless communication network). In one embodiment, the electronic device (101) may communicate with the electronic device (104) via the server (108). According to one embodiment, the electronic device (101) may include a processor (120), a memory (130), an input module (150), an audio output module (155), a display module (160), an audio module (170), a sensor module (176), an interface (177), a connection terminal (178), a haptic module (179), a camera module (180), a power management module (188), a battery (189), a communication module (190), a subscriber identification module (196), or an antenna module (197). In some embodiments, the electronic device (101) may omit at least one of these components (e.g., the connection terminal (178)), or may have one or more other components added. In some embodiments, some of these components (e.g., the sensor module (176), the camera module (180), or the antenna module (197)) may be integrated into one component (e.g., the display module (160)).

[0020] The processor (120) may, for example, execute software (e.g., a program (140)) to control at least one other component (e.g., a hardware or software component) of the electronic device (101) connected to the processor (120) and perform various data processing or operations. According to one embodiment, as at least a part of the data processing or operations, the processor (120) may store commands or data received from other components (e.g., a sensor module (176) or a communication module (190)) in a volatile memory (132), process the commands or data stored in the volatile memory (132), and store result data in a non-volatile memory (134). According to one embodiment, the processor (120) may include a main processor (121) (e.g., a central processing unit or an application processor) or an auxiliary processor (123) (e.g., a graphics processing unit, a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor) that can operate independently or together with the main processor (121). For example, when the electronic device (101) includes the main processor (121) and the auxiliary processor (123), the auxiliary processor (123) may be configured to use less power than the main processor (121) or to be specialized for a given function. The auxiliary processor (123) may be implemented separately from the main processor (121) or as a part thereof.

[0021] The auxiliary processor (123) may control at least a portion of functions or states associated with at least one component (e.g., a display module (160), a sensor module (176), or a communication module (190)) of the electronic device (101), for example, on behalf of the main processor (121) while the main processor (121) is in an inactive (e.g., sleep) state, or together with the main processor (121) while the main processor (121) is in an active (e.g., application execution) state. In one embodiment, the auxiliary processor (123) (e.g., an image signal processor or a communication processor) may be implemented as a part of another functionally related component (e.g., a camera module (180) or a communication module (190)). In one embodiment, the auxiliary processor (123) (e.g., a neural network processing unit) may include a hardware structure specialized for processing artificial intelligence models. The artificial intelligence models may be generated through machine learning. This learning can be performed, for example, on the electronic device (101) itself where the artificial intelligence model is executed, or can be performed through a separate server (e.g., server (108)). The learning algorithm can include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but is not limited to the examples described above. The artificial intelligence model can include multiple artificial neural network layers.The artificial neural network may be one of a deep neural network (DNN), a convolutional neural network (CNN), a recurrent neural network (RNN), a restricted Boltzmann machine (RBM), a deep belief network (DBN), a bidirectional recurrent deep neural network (BRDNN), a deep Q-network, or a combination of two or more of the above, but is not limited to the examples described above. In addition to, or alternatively to, a hardware structure, an artificial intelligence model may include a software structure.

[0022] The memory (130) can store various data used by at least one component (e.g., processor (120) or sensor module (176)) of the electronic device (101). The data can include, for example, software (e.g., program (140)) and input data or output data for commands related thereto. The memory (130) can include volatile memory (132) or non-volatile memory (134).

[0023] 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).

[0024] The input module (150) can receive commands or data to be used in a component of the electronic device (101) (e.g., a processor (120)) from an external source (e.g., a user) of the electronic device (101). The input module (150) can include, for example, a microphone, a mouse, a keyboard, a key (e.g., a button), or a digital pen (e.g., a stylus pen).

[0025] The audio output module (155) can output audio signals to the outside of the electronic device (101). The audio output module (155) can 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 can be used to receive incoming calls. In one embodiment, the receiver can be implemented separately from the speaker or as part of the speaker.

[0026] The display module (160) can visually provide information to an external party (e.g., a user) of the electronic device (101). The display module (160) may include, for example, a display, a holographic device, or a projector and a control circuit for controlling the device. According to one embodiment, the display module (160) may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of a force generated by the touch.

[0027] The audio module (170) can convert sound into an electrical signal, or vice versa, convert an electrical signal into sound. According to one embodiment, the audio module (170) can acquire sound through the input module (150), output sound through the sound output module (155), or an external electronic device (e.g., electronic device (102)) (e.g., speaker or headphone) directly or wirelessly connected to the electronic device (101).

[0028] The sensor module (176) can detect the operating status (e.g., power or temperature) of the electronic device (101) or the external environmental status (e.g., user status) and generate an electrical signal or data value corresponding to the detected status. According to one embodiment, the sensor module (176) can 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, a temperature sensor, a humidity sensor, or an illuminance sensor.

[0029] The interface (177) may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device (101) with an external electronic device (e.g., the electronic device (102)). In one embodiment, the interface (177) may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

[0030] The connection terminal (178) may include a connector through which the electronic device (101) may be physically connected to an external electronic device (e.g., electronic device (102)). According to one embodiment, the connection terminal (178) may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (e.g., a headphone connector).

[0031] The haptic module (179) can convert electrical signals into mechanical stimuli (e.g., vibration or movement) or electrical stimuli that a user can perceive through tactile or kinesthetic sensations. According to one embodiment, the haptic module (179) can include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

[0032] The camera module (180) can capture still images and videos. According to one embodiment, the camera module (180) may include one or more lenses, image sensors, image signal processors, or flashes.

[0033] The power management module (188) can manage power supplied to the electronic device (101). According to one embodiment, the power management module (188) can be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

[0034] A battery (189) may power at least one component of the electronic device (101). In one embodiment, the battery (189) may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.

[0035] The communication module (190) may support the establishment of a direct (e.g., wired) communication channel or a wireless communication channel between the electronic device (101) and an external electronic device (e.g., electronic device (102), electronic device (104), or server (108)), and the performance of communication through the established communication channel. The communication module (190) may operate independently from the processor (120) (e.g., application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication. According to one embodiment, the communication module (190) may include a wireless communication module (192) (e.g., 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) (e.g., a local area network (LAN) communication module, or a power line communication module). Among these communication modules, the corresponding communication module can communicate with an external electronic device (104) via a first network (198) (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network (199) (e.g., a long-range communication network such as a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., a LAN or WAN)). These various types of communication modules can be integrated into a single component (e.g., a single chip) or implemented as multiple separate components (e.g., multiple chips). The wireless communication module (192) can verify or authenticate the electronic device (101) within a communication network such as the first network (198) or the second network (199) by using subscriber information (e.g., an international mobile subscriber identity (IMSI)) stored in the subscriber identification module (196).

[0036] The wireless communication module (192) can support 5G networks and next-generation communication technologies following the 4G network, such as NR access technology (new radio access technology). The NR access technology can support high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and connection of multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency communications)). The wireless communication module (192) can support, for example, a high-frequency band (e.g., mmWave band) to achieve a high data transmission rate. The wireless communication module (192) can support various technologies for securing performance in a high-frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), full dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, or large scale antenna. The wireless communication module (192) can support various requirements specified in the electronic device (101), an external electronic device (e.g., the electronic device (104)), or a network system (e.g., the second network (199)). According to one embodiment, the wireless communication module (192) can support a peak data rate (e.g., 20 Gbps or more) for eMBB realization, a loss coverage (e.g., 164 dB or less) for mMTC realization, or a U-plane latency (e.g., 0.5 ms or less for downlink (DL) and uplink (UL), or 1 ms or less for round trip) for URLLC realization.

[0037] The antenna module (197) can transmit or receive signals or power to or from an external device (e.g., an external electronic device). In one embodiment, the antenna module (197) may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (e.g., a PCB). In one embodiment, the antenna module (197) may include a plurality of antennas (e.g., 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), may be selected from the plurality of antennas, for example, by the communication module (190). A signal or power may be transmitted or received between the communication module (190) and an external electronic device via the at least one selected antenna. In some embodiments, in addition to the radiator, another component (e.g., a radio frequency integrated circuit (RFIC)) may be additionally formed as a part of the antenna module (197).

[0038] According to various embodiments, the antenna module (197) may form a mmWave antenna module. In one embodiment, the mmWave antenna module may include a printed circuit board, an RFIC disposed on or adjacent a first side (e.g., a bottom side) of the printed circuit board and capable of supporting a designated high-frequency band (e.g., a mmWave band), and a plurality of antennas (e.g., an array antenna) disposed on or adjacent a second side (e.g., a top side or a side side) of the printed circuit board and capable of transmitting or receiving signals in the designated high-frequency band.

[0039] At least some of the above components can be interconnected and exchange signals (e.g., commands or data) with each other via a communication method between peripheral devices (e.g., a bus, GPIO (general purpose input and output), SPI (serial peripheral interface), or MIPI (mobile industry processor interface)).

[0040] According to one embodiment, commands or data may be transmitted or received between the electronic device (101) and an external electronic device (104) via a server (108) connected to a second network (199). Each of the external electronic devices (102 or 104) may be the same or a different type of device as the electronic device (101). According to one embodiment, all or part of the operations executed in the electronic device (101) may be executed in one or more of the external electronic devices (102, 104, or 108). For example, when the electronic device (101) is to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device (101) may, instead of or in addition to executing the function or service itself, request one or more external electronic devices to perform the function or at least a part of the service. One or more external electronic devices that receive the request may execute at least a portion of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device (101). The electronic device (101) may process the result as is or additionally and provide it as at least a portion of a response to the request. For this purpose, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used, for example. The electronic device (101) may provide an ultra-low latency service by using distributed computing or mobile edge computing, for example. In another embodiment, the external electronic device (104) may include an Internet of Things (IoT) device. The server (108) may be an intelligent server utilizing machine learning and / or a neural network. According to one embodiment, the external electronic device (104) or the server (108) may be included in the second network (199).The electronic device (101) can be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

[0041] FIG. 2 is an exemplary drawing for explaining the configuration of an electronic device (101) according to one embodiment of the present document.

[0042] Referring to FIG. 2, an electronic device (101) according to one embodiment of the present document may include at least one camera (e.g., a camera module (180) of FIG. 1) and a light field display (e.g., a display module (160) of FIG. 1).

[0043] At least one camera according to an embodiment of the present document may include one or more lenses, image sensors, image signal processors, or flashes. At least one camera according to an embodiment of the present document may identify the position of a user's eye (e.g., track the eye) based on at least one image acquired by the at least one camera. The electronic device (101) according to an embodiment of the present document may identify the position of the user's eye by identifying (e.g., tracking) the user's eyelid and / or pupil in the acquired image. At least one camera according to an embodiment of the present document may further include a depth sensor. At least one camera according to an embodiment of the present document may also identify the position of the user's eye using the depth sensor.

[0044] A light field display (e.g., display module (160) of FIG. 1) according to one embodiment of the present document may refer to a three-dimensional display that generates a light field expressed as a vector distribution (e.g., intensity, direction) of light in space by a flat display and an optical element to generate a three-dimensional image. A light field according to one embodiment of the present document may refer to a five-dimensional vector function representing the direction and intensity of light propagation. Through a light field display according to one embodiment of the present document, unlike a two-dimensional display, different information may be expressed depending on the direction in which a user views the display. A light field display according to one embodiment of the present document may provide depth information of an object and / or visual information about the side of the object. A light field display according to one embodiment of the present document can provide a three-dimensional object to a user by using a method of generating light fields in multiple directions using a plurality of projectors, a method of controlling the direction of light using a diffraction grating, a method of controlling the direction and intensity of light according to the combination of each pixel using a plurality of panels, a method of controlling the direction of light using a pinhole or a barrier, and / or a method of controlling the refraction direction of light using a micro lens array.

[0045] FIG. 3 is an exemplary drawing for explaining a function or operation of changing and displaying a display property of a three-dimensional object (e.g., object (400)) displayed on an electronic device (101) based on the rotation of the electronic device (101) according to one embodiment of the present document. FIGS. 5a, 5b, 5c, 5d, and 5e are exemplary drawings for explaining the functions or operations illustrated in FIG. 3 from a user interface perspective.

[0046] Referring to FIG. 3, an electronic device (101) according to an embodiment of the present document may, in operation 310, display an object (400) in three dimensions using a light field display (e.g., the display module (160) of FIG. 1) while the light field display of the electronic device (101) (e.g., the display module (160) of FIG. 1) is in a first non-rotated state. The electronic device (101) according to an embodiment of the present document may control the light field display so that a designated object (e.g., the object (400)) can be shown to the user in three dimensions, as illustrated in FIG. 5A. The electronic device (101) according to an embodiment of the present document may be in the first non-rotated state. The first non-rotated state according to an embodiment of the present document may include a state in which the light field display is arranged in a landscape direction and / or a state set to provide a designated screen based on a landscape mode. According to one embodiment of the present document, in the first non-rotated state, all parts of the object (400) can be provided to the user in a three-dimensional shape. Accordingly, the side, top, and / or bottom of the object (400) can be shown to the user. The first non-rotated state according to one embodiment of the present document may include a state in which the light field display is not completely rotated (e.g., a state in which the rotation angle is 0 degrees) and / or a state in which there is no problem in providing the shape of the object (400) to the user in three dimensions even when rotated by a specified angle (e.g., a state in which the rotation angle exceeds 0 degrees but is less than 4 degrees). An electronic device (101) according to one embodiment of the present document can identify a rotation angle of the electronic device (101) based on a rotation angle of a driving module (e.g., a driving motor) provided in the electronic device (101), or an angle formed by a virtual center line (e.g., a first center line (810), a second center line (820)) passing through a user's eye and a light field display.For example, the electronic device (101) according to one embodiment of the present document may determine the angle formed by the center line of the user's eye (e.g., the second center line (820)) with respect to the ground as the angle at which the electronic device (101) is rotated (e.g., the angle formed by the first center line (810) with respect to the ground). Alternatively, the electronic device (101) according to one embodiment of the present document may detect the rotation of the electronic device (101) based on data sensed by a sensor module (e.g., an IMU sensor, an acceleration sensor, a gravity sensor, and / or a gyro sensor) provided in the electronic device (101). Alternatively, the electronic device (101) according to one embodiment of the present document may identify the angle at which the electronic device (101) is rotated by sensing the angle of the hinge. In addition, various methods for identifying the angle at which the electronic device (101) is rotated may be applied to various embodiments of the present document. The function or operation of identifying the rotated angle of the electronic device (101) based on the angle formed by the virtual center line penetrating the user's eye and the light field display is described in detail with reference to FIGS. 8A, 8B, 8C, 8D and 8E below.

[0047] According to one embodiment of the present document, the electronic device (101) can change the display properties of an object (400) being displayed in three dimensions and display them based on the fact that the light field display of the electronic device (101) (e.g., the display module (460) of FIG. 1) is switched from a first state to a second state rotated to be included within a first specified angular range in operation 320. FIG. 4 is an exemplary drawing for explaining a case in which the display state of an object (400) being displayed in three dimensions changes according to the rotation of the electronic device (101) according to one embodiment of the present document. Referring to FIG. 4, when the light field display is in a non-rotated state (e.g., (a) of FIG. 4), the entire part of the object (400) can be provided to the user in three dimensions. However, when the light field display is in a rotated state (e.g., (a) and (b) of FIG. 4), the peripheral part and / or the entire part of the object (400) may be displayed abnormally (e.g., the object (400) may be displayed blurry or may not provide a 3D effect) and may be provided to the user. In order to solve this problem, the electronic device (101) according to one embodiment of the present document may identify that the rotated angle of the electronic device (101) is included in and / or enters a first specified angular range (e.g., more than 5 degrees to less than 20 degrees). The electronic device (101) according to one embodiment of the present document may display the object (400) being displayed in 3D by reducing the size thereof to correspond to the rotated angle of the electronic device, based on identifying that the rotated angle of the electronic device (101) is included in and / or enters the first specified angular range (e.g., more than 5 degrees to less than 20 degrees). Accordingly, a 3D display environment may be continuously provided to the user. To this end, the electronic device (101) according to one embodiment of the present document may further perform a function or operation of identifying the size of the object (400) being displayed.When the size of the object (400) is smaller than a specified threshold size, a three-dimensional display environment can be continuously provided to the user (e.g., the entire object (400) is provided in three dimensions without any abnormally displayed portions) despite the rotation of the electronic device (101). Accordingly, the electronic device (101) according to one embodiment of the present document can determine whether the object (101) exceeds the threshold size by using a look-up table in which the rotation angle of the electronic device (101) and the threshold size of the object (400) are defined in relation to each other. The threshold size according to one embodiment of the present document may mean a threshold size at which the entire part of the object (400) can be provided in three dimensions despite the rotation of the electronic device (101). According to one embodiment of the present document, the threshold size may be gradually reduced as the rotation angle increases. Alternatively, according to one embodiment of the present document, the threshold size may be maintained at the threshold size in the first non-rotated state (e.g., the initial threshold size) despite the rotation angle increases.

[0048] According to an embodiment of the present document, the electronic device (101) may, as illustrated in FIG. 5B and the like, display the object (400) by rotating it in a specified direction based on the rotational direction of the light field display (e.g., the display module (160) of FIG. 1) so that the object is displayed in a state (e.g., the rotation angle of the object (400)) that is substantially the same as that in a first non-rotated state, despite the rotation of the light field display (e.g., the display module (160) of FIG. 1)). In this case, the electronic device (101) according to an embodiment of the present document may identify the rotational direction and / or speed of the light field display using at least one sensor (e.g., an acceleration sensor, a gyro sensor, an IMU sensor, etc.), and display the object (400) by rotating it based on the identified rotational direction and / or speed. For example, the electronic device (101) according to one embodiment of the present document may rotate and display the object (400) by referring to a look-up table in which the relationship between the rotation direction and / or rotation speed of the light field display and the rotation direction and / or rotation speed of the object (400) is defined, but is not limited thereto. For example, the electronic device (101) according to one embodiment of the present document may calculate the rotation direction and / or rotation speed of the object (400) in real time by using a specified formula, and rotate and display the object (400) based on the calculation result.

[0049] According to one embodiment of the present document, when the electronic device (101) is in a rotated state (e.g., when the rotated angle of the electronic device (101) is within a first specified angle range (e.g., more than 5 degrees to less than 20 degrees)) and the size of the object (400) exceeds a limit size, the electronic device (101) displays the object (400) provided in three dimensions by reducing the size of the object (400) according to a specified ratio, so that the object (400) can be displayed within an area of ​​a light field display that can be viewed in three dimensions to the user despite the rotation of the electronic device (101), thereby continuously providing an immersive three-dimensional display environment to the user. To this end, the electronic device (101) according to one embodiment of the present document can gradually / continuously reduce the size of the object (400) to correspond to the rotated angle of the electronic device (101) by using a look-up table in which a relationship between the size of the object (400) and the specified ratio is defined. Conversely, the electronic device (101) according to one embodiment of the present document may display the object (400) by enlarging its size according to a specified ratio when it is determined that the rotation angle of the electronic device (101) has decreased.

[0050] An electronic device (101) according to an embodiment of the present document may control a light field display (e.g., a display module (160) of FIG. 1) so that at least a portion of an object (400) being displayed in three dimensions (e.g., at least a portion of the object (400) exceeding a limit size / area) is displayed in two dimensions based on identifying that a rotated angle of the electronic device (101) is included in and / or entered a first designated angle range (e.g., more than 5 degrees to less than 20 degrees). For example, an electronic device (101) according to an embodiment of the present document may control a light field display (e.g., a display module (160) of FIG. 1) so that at least a portion of an object (400) being displayed in three dimensions (e.g., at least a portion of the object (400) exceeding a limit size / area) is displayed in two dimensions by controlling some of a plurality of projectors. Alternatively, the electronic device (101) according to one embodiment of the present document may control a light field display (e.g., the display module (160) of FIG. 1) to display at least a portion of an object (400) being displayed in three dimensions (e.g., at least a portion of the object (400) exceeding a limit size / area) in two dimensions by controlling the refractive index of the micro lens array and / or controlling the pixel disparity. In this case, the overall size of the object (400) displayed in a combination of three dimensions and two dimensions may be substantially the same as the size in the first non-rotated state. In other words, the overall size of the object (400) may be maintained. In addition, various techniques for providing at least a portion of the object (400) on a two-dimensional plane may be applied to various embodiments of the present document.

[0051] An electronic device (101) according to one embodiment of the present document may provide an object (400) by changing a three-dimensional stereoscopic effect (e.g., changing a stereoscopic effect) based on identifying that a rotated angle of the electronic device (101) is included in and / or enters a first designated angle range (e.g., more than 5 degrees to less than 20 degrees). For example, the electronic device (101) according to one embodiment of the present document may change the stereoscopic effect for the object (400) (e.g., reducing the stereoscopic effect by changing depth information of the object (400)) by controlling a refractive index of a microlens array and / or controlling pixel disparity. The electronic device (101) according to one embodiment of the present document may also change the stereoscopic effect for the object (400) (e.g., reducing the stereoscopic effect by changing depth information of the object (400)) by processing an image output in three dimensions using a designated image processing method.

[0052] According to one embodiment of the present document, the electronic device (101) may, in operation 330, change an object (400) whose display properties have been changed into a two-dimensional image and display it based on the transition from a second state to a third state in which the light field display of the electronic device (101) (e.g., the display module (160) of FIG. 1) is rotated to be included within a second specified angular range, and the object (400) whose display properties have been changed may be displayed as a two-dimensional image. According to one embodiment of the present document, the electronic device (101) may, as illustrated in FIG. 5C, display the object (400) and / or the specified image as a two-dimensional image on the light field display based on identifying that the rotated angle of the electronic device (101) is included in and / or enters the second specified range (e.g., 20 degrees or more to less than 70 degrees). According to an embodiment of the present document, the electronic device (101) may adjust the size of the object (400) (e.g., reduce it according to a specified ratio) so that the entire part of the object (400) can be displayed on the light field display when the size of the object (400) exceeds the light field display area. Accordingly, an image in a two-dimensional environment can be provided to the user. According to an embodiment of the present document, the electronic device (101) may control the light field display (e.g., the display module (160) of FIG. 1) so that the object (400) being displayed three-dimensionally is displayed two-dimensionally by controlling some of the projectors among the plurality of projectors. Alternatively, the electronic device (101) according to an embodiment of the present document may control the light field display (e.g., the display module (160) of FIG. 1) so that the object (400) being displayed three-dimensionally is displayed two-dimensionally by controlling the refractive index of the micro lens array and / or controlling the pixel disparity.

[0053] According to an embodiment of the present document, the electronic device (101) may, in operation 340, re-display an object (400) displayed as a two-dimensional image in three dimensions based on the light field display of the electronic device (101) switching from the third state to the second non-rotated state. Prior to operation 340, the electronic device (101) according to an embodiment of the present document may identify that the light field display of the electronic device (101) is included in and / or entered a third designated range (e.g., more than 70 degrees to less than 86 degrees) corresponding to the first designated angular range. In this case, the electronic device (101) according to an embodiment of the present document may change the display method of the object (400) displayed in a two-dimensional manner and display it as if it were included in the first designated angular range (e.g., more than 5 degrees to less than 20 degrees) as described above. For example, an electronic device (101) according to one embodiment of the present document may control a light field display so that at least a portion of an object (400) is displayed in two dimensions, as illustrated in FIG. 5d, and / or control a light field display so that an object (400) is displayed with a changed stereoscopic ratio.

[0054] According to one embodiment of the present document, the electronic device (101) can control the light field display so that a designated object (e.g., object (400)) can be shown to the user in three dimensions, as illustrated in FIG. 5A, based on the transition from the third state to the second non-rotated state. According to one embodiment of the present document, the electronic device (101) can be in the second non-rotated state. The second non-rotated state according to one embodiment of the present document can include a state in which the light field display is arranged in a portrait orientation (e.g., vertical orientation) and / or a state set to provide a designated screen based on a portrait mode. According to one embodiment of the present document, in the second non-rotated state, all parts of the object (400) can be provided to the user in a three-dimensional shape. Accordingly, the side, top, and / or bottom of the object (400) can be shown to the user. A second non-rotated state according to one embodiment of the present document may include a state in which the light field display is not completely rotated (e.g., a state in which the rotation angle is 90 degrees with respect to the landscape direction) and / or a state in which there is no problem in providing the shape of the object (400) to the user in three dimensions even if it is rotated at a specified angle (e.g., a state in which the rotation angle is greater than 86 degrees but less than or equal to 90 degrees with respect to the landscape direction). The electronic device (101) according to one embodiment of the present document may display the object (400) in three dimensions (e.g., display it so that it appears three-dimensional to the user) as illustrated in FIG. 5E, based on the electronic device (101) being in the second state. According to one embodiment of the present document, information about the rotation angle of the electronic device (101) may also be input by the user through a specified user interface.

[0055] FIG. 6 is an exemplary drawing for explaining a function or operation of controlling the rotation speed of an electronic device (101) based on the rotation angle of the electronic device (101) entering a specified angle range according to the rotation of the electronic device (101) according to one embodiment of the present document. FIG. 7 is an exemplary drawing for explaining the functions or operations illustrated in FIG. 6 according to one embodiment of the present document from a user interface perspective.

[0056] Referring to FIGS. 6 and 7, an electronic device (101) according to an embodiment of the present document may, in operation 610, control a drive motor so that the light field display of the electronic device (101) rotates at a first specified speed while the light field display of the electronic device (101) is in a first non-rotating state. An electronic device (101) according to an embodiment of the present document may also, in operation 610, control a hinge module so that the light field display of the electronic device (101) rotates at a first specified speed while the light field display of the electronic device (101) is in a first non-rotating state. A first non-rotated state according to one embodiment of the present document may include a state in which the light field display is not completely rotated as described above (e.g., a state in which the rotation angle is 0 degrees with respect to the landscape direction) and / or a state in which there is no problem in providing the shape of the object (400) to the user in three dimensions even when the electronic device (101) is rotated at a specified angle (e.g., a state in which the rotation angle exceeds 0 degrees but is less than or equal to 4 degrees with respect to the landscape direction).

[0057] According to one embodiment of the present document, the electronic device (101) may control the drive motor to rotate the light field display at a second specified speed that is faster than the first specified speed, based on the fact that the light field display of the electronic device (101) (e.g., the display module (160) of FIG. 1) is switched from a first state to a second state in which the light field display enters a first specified angular range (e.g., more than 5 degrees to less than 20 degrees), in operation 620. The electronic device (101) according to one embodiment of the present document may rotate the electronic device (101) to correspond to a change in the rotation angle of the electronic device (101). Alternatively, the electronic device (101) according to one embodiment of the present document may rotate the electronic device (101) while maintaining the second specified speed while the electronic device (101) is in the second state. According to one embodiment of the present document, while the electronic device (101) rotates at a specified speed or a continuously changing speed, the electronic device (101) may change and display the object (400) such that it falls within a first specified angular range (e.g., more than 5 degrees to less than 20 degrees). For example, the electronic device (101) according to one embodiment of the present document may control the light field display so that at least a portion of the object (400) is displayed in two dimensions, and / or control the light field display so that the object (400) is displayed with a changed stereoscopic ratio.

[0058] An electronic device (101) according to one embodiment of the present document may control the electronic device (101) to rotate the light field display at a third specified speed that is faster than the second specified speed, based on the light field display of the electronic device (101) transitioning from a second state to a third state entering a second specified angular range at operation 630.

[0059] An electronic device (101) according to one embodiment of the present document may rotate the electronic device (101) to correspond to a change in the rotation angle of the electronic device (101). Alternatively, the electronic device (101) according to one embodiment of the present document may rotate the electronic device (101) while maintaining a third specified speed while the electronic device (101) is in a third state. According to one embodiment of the present document, while the electronic device (101) rotates at a specified speed or a continuously changing speed, the electronic device (101) may change and display the object (400) as if it is included in a second specified angular range (e.g., more than 20 degrees to less than 70 degrees). For example, the electronic device (101) according to one embodiment of the present document may control a light field display so that the object (400) is displayed in two dimensions, or control a light field display so that a specified image is displayed in two dimensions.

[0060] Although not illustrated in FIG. 6, referring to FIG. 7, the electronic device (101) according to one embodiment of the present document may control the drive motor so that the light field display rotates at a second specified speed based on the transition from a third state to a fourth state in which the light field display of the electronic device (101) (e.g., the display module (160) of FIG. 1) is included in and / or entered a third specified angular range (e.g., more than 70 degrees to less than 86 degrees). The electronic device (101) according to one embodiment of the present document may rotate the electronic device (101) to correspond to a change in the rotation angle of the electronic device (101). Alternatively, the electronic device (101) according to one embodiment of the present document may rotate the electronic device (101) while maintaining the second specified speed while the electronic device (101) is in the second state. According to one embodiment of the present document, while the electronic device (101) rotates at a specified speed or a continuously changing speed, the electronic device (101) may change and display the object (400) such that it falls within a third specified angular range (e.g., more than 70 degrees to less than 86 degrees). For example, the electronic device (101) according to one embodiment of the present document may control the light field display so that at least a portion of the object (400) is displayed in two dimensions, and / or control the light field display so that the object (400) is displayed with a changed stereoscopic ratio.

[0061] Referring to FIG. 7, an electronic device (101) according to one embodiment of the present document may control a drive motor and / or a hinge module to rotate at a first specified speed and then stop based on the light field display of the electronic device (101) (e.g., the display module (160) of FIG. 1) being switched from a fourth state to a second non-rotating state. According to various embodiments of the present document, when the rotation angle of the electronic device (101) changes rapidly, a problem may occur in three-dimensional expression, and therefore, a smooth image transition effect may be provided to the user by controlling the rotation speed for each state of the electronic device (101).

[0062] FIGS. 8A, 8B, 8C, and 8D are exemplary drawings for explaining a function or operation of an electronic device (101) to determine rotation and / or a rotated angle of the electronic device (101) based on an angle between the center line of the electronic device (101) and the direction of the user's eyes according to one embodiment of the present document.

[0063] Referring to FIGS. 8A, 8B, 8C, 8D, and 8E, an electronic device (101) according to an embodiment of the present document can identify a rotation angle of the electronic device (101) based on a rotation angle of a driving module (e.g., a driving motor) provided in the electronic device (101), or an angle formed by a virtual center line penetrating the user's eye and the light field display. An electronic device (101) according to an embodiment of the present document can obtain information about a direction of the user's eye (e.g., a rotation direction and / or angle of the eye with respect to the ground) using at least one image acquired using at least one camera provided in the electronic device (101). According to one embodiment of the present document, the electronic device (101) can determine the angle formed by the center line of the user's eye (e.g., the second center line (820)) with respect to the ground as the angle at which the electronic device (101) is rotated (e.g., the angle formed by the first center line (810) with respect to the ground). According to one embodiment of the present document, the electronic device (101) can also control and display the display state of the object (400) according to various embodiments of the present document not only when the electronic device (101) is rotated but also when the user rotates his head while in a non-rotating state.

[0064] An electronic device (e.g., an electronic device (101) of FIG. 1) according to one embodiment of the present document includes a light field display (e.g., a display module (160) of FIG. 1), at least one processor (e.g., the processor (160) of FIG. 1), and a memory (e.g., the memory (130) of FIG. 1), wherein the memory, when executed by the at least one processor, causes the electronic device to display a first object in three dimensions using the light field display while the light field display of the electronic device is in a first non-rotated state, and to change and display the display properties of the first object being displayed in three dimensions based on the light field display of the electronic device being switched from the first state to a second state rotated to be included within a first specified angular range, and to change and display the first object, whose display properties have been changed, into a two-dimensional image based on the light field display of the electronic device being switched from the second state to a third state rotated to be included within a second specified angular range, and The light field display may store instructions set to re-display the first object displayed as the two-dimensional image in three dimensions based on the transition from the third state to the second non-rotating state.

[0065] A computer-readable non-transitory recording medium according to one embodiment of the present document is configured to store a plurality of instructions, which, when executed by at least one processor of an electronic device, cause the electronic device (e.g., the electronic device (101) of FIG. 1) to display a first object in three dimensions using a light field display while the light field display of the electronic device is in a first non-rotated state, and to change and display a display property of the first object being displayed in three dimensions based on a transition of the light field display of the electronic device from the first state to a second state in which the object is rotated to be included within a first specified angular range, and to change and display the first object, whose display property has been changed, into a two-dimensional image based on a transition of the light field display of the electronic device from the second state to a third state in which the object is rotated to be included within a second specified angular range, and to display the first object displayed as the two-dimensional image in three dimensions based on a transition of the light field display of the electronic device from the third state to a second non-rotated state. May contain instructions set to be displayed again.

[0066] A method for controlling an electronic device according to one embodiment of the present document may include: displaying a first object in three dimensions using a light field display while the light field display of the electronic device is in a first non-rotated state; changing display properties of the first object being displayed in three dimensions and displaying the first object based on the light field display of the electronic device being switched from the first state to a second state in which the light field display is rotated to be included within a first specified angular range; changing the first object having the changed display properties and displaying the first object as a two-dimensional image based on the light field display of the electronic device being switched from the second state to a third state in which the light field display is rotated to be included within a second specified angular range; and re-displaying the first object displayed as the two-dimensional image in three dimensions based on the light field display of the electronic device being switched from the third state to a second non-rotated state.

[0067] Electronic devices according to the various embodiments disclosed in this document may take various forms. Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances. Electronic devices according to the embodiments of this document are not limited to the aforementioned devices.

[0068] The various embodiments of this document and the terminology used therein are not intended to limit the technical features described in this document to specific embodiments, but should be understood to include various modifications, equivalents, or substitutes of the embodiments. In connection with the description of the drawings, similar reference numerals may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of the items, unless the context clearly indicates otherwise. In this document, each of the phrases "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 "at least one of A, B, or C" can include any one of the items listed together in the corresponding phrase among those phrases, or all possible combinations thereof. Terms such as "first," "second," or "first" or "second" may be used merely to distinguish one component from another, and do not limit the components in any other respect (e.g., importance or order). When a component (e.g., a first component) is referred to as "coupled" or "connected" to another component (e.g., a second component), with or without the terms "functionally" or "communicatively," it means that the component can be connected to the other component directly (e.g., wired), wirelessly, or through a third component.

[0069] The term "module" used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit. A module may be an integral component, or a minimum unit or part of such a component that performs one or more functions. For example, according to one embodiment, a module may be implemented in the form of an application-specific integrated circuit (ASIC).

[0070] Various embodiments of the present document may be implemented as software (e.g., a program (140)) including one or more instructions stored in a storage medium (e.g., an internal memory (136) or an external memory (138)) readable by a machine (e.g., an electronic device (101)). For example, a processor of the machine (e.g., an electronic device (101)) may call at least one instruction among the one or more instructions stored from the storage medium and execute it. This enables the machine to operate to perform at least one function according to the at least one called instruction. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The machine-readable storage medium may be provided in the form of a non-transitory storage medium. Here, "non-transitory" simply means that the storage medium is a tangible device and does not contain signals (e.g., electromagnetic waves), and the term does not distinguish between cases where data is stored semi-permanently or temporarily on the storage medium.

[0071] According to one embodiment, the method according to various embodiments disclosed in the present document may be provided as included in a computer program product. The computer program product may be traded as a product between a seller and a buyer. 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 may be distributed online (e.g., downloaded or uploaded) via an application store (e.g., Play Store™) or directly between two user devices (e.g., smart phones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or an intermediary server.

[0072] According to one embodiment of the present document, each component (e.g., a module or a program) of the above-described components may include one or more entities, and some of the entities may be separated and placed in other components. According to one embodiment of the present document, one or more components or operations of the aforementioned components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (e.g., a module or a program) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. According to one embodiment of the present document, operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or one or more other operations may be added.

Claims

1. In electronic devices, light field display; At least one processor, and A memory comprising: a processor configured to cause the electronic device to: While the light field display of the electronic device is in a first non-rotating state, a first object is displayed in three dimensions using the light field display, The light field display of the electronic device changes the display properties of the first object being displayed in three dimensions and displays them based on the transition from the first non-rotated state to a second state rotated to be included within a first specified angular range, The light field display of the electronic device is changed from the second state to a third state in which the display property is changed to be included within a second specified angular range, and the first object is displayed by changing the display property to a two-dimensional image, and An electronic device configured to store instructions that are set to re-display the first object displayed as the two-dimensional image in three dimensions based on the light field display of the electronic device switching from the third state to the second non-rotated state.

2. In paragraph 1, The above instructions cause the electronic device to: In order to display the first object at a rotation angle substantially the same as the rotation angle at which the first object is displayed in the first non-rotated state, the first object is displayed by rotating the first object in a direction opposite to the rotation direction of the light field display based on the rotation direction of the light field display, and An electronic device characterized in that it further includes instructions set to change the display properties of the first object by reducing the size of the first object displayed in three dimensions according to a specified ratio.

3. In paragraph 1 or 2, An electronic device characterized in that the instructions further include instructions that are set to cause the electronic device to display a part of the first object displayed in three dimensions in two dimensions while maintaining the size of the first object displayed in three dimensions, and to display the remaining part in three dimensions.

4. In any one of paragraphs 1 to 3, An electronic device characterized in that the instructions further include instructions configured to cause the electronic device to display the first object based on a stereoscopic ratio between a first stereoscopic ratio corresponding to the three-dimensional image and a second stereoscopic ratio corresponding to the two-dimensional image by adjusting a refractive index of at least one lens included in the light field display while maintaining the size of the first object displayed in three dimensions.

5. In any one of paragraphs 1 to 4, The electronic device further comprises at least one camera configured to track the user's eyes, An electronic device characterized in that the instructions further include instructions configured to cause the electronic device to identify a rotational state of the light field display based on an angle formed by a first center line corresponding to the user's eye and a second center line corresponding to the light field display.

6. In any one of paragraphs 1 to 5, The electronic device further comprises a drive motor set to rotate the light field display, An electronic device characterized in that the instructions further include instructions configured to control the drive motor so that the light field display rotates at a first designated speed in the first non-rotating state, and to control the drive motor so that the light field display rotates at a speed faster than the first designated speed in the second state.

7. In any one of paragraphs 1 to 6, The first non-rotating state includes a state in which the light field display is set to display at least one screen according to a landscape mode, An electronic device, characterized in that the second non-rotating state includes a state in which the light field display is set to display the at least one screen according to a portrait mode.

8. In a computer-readable non-transitory recording medium, the non-transitory recording medium is configured to store a plurality of instructions, and the plurality of instructions, when executed by at least one processor of an electronic device, cause the electronic device to: While the light field display of the electronic device is in a first non-rotating state, a first object is displayed in three dimensions using the light field display, The light field display of the electronic device changes the display properties of the first object being displayed in three dimensions and displays them based on the transition from the first state to the second state in which the display is rotated to be included within the first specified angular range, The light field display of the electronic device is changed from the second state to a third state in which the display property is changed to be included within a second specified angular range, and the first object is displayed by changing the display property to a two-dimensional image, and A non-transitory recording medium characterized in that the light field display of the electronic device includes instructions set to re-display the first object displayed as the two-dimensional image in the three-dimensional state based on the transition from the third state to the second non-rotated state.

9. In paragraph 8, A non-transitory recording medium characterized in that the instructions further include instructions that cause the electronic device to change the display properties of the first object by reducing the size of the first object displayed in three dimensions according to a specified ratio.

10. In paragraph 8 or 9, A non-transitory recording medium characterized in that the instructions further include instructions that are set to cause the electronic device to display a part of the first object displayed in three dimensions in two dimensions while maintaining the size of the first object displayed in three dimensions, and to display the remaining part in three dimensions.

11. In any one of paragraphs 8 to 10, A non-transitory recording medium characterized in that the instructions further include instructions that are set to cause the electronic device to display the first object based on a stereoscopic ratio between a first stereoscopic ratio corresponding to the three-dimensional image and a second stereoscopic ratio corresponding to the two-dimensional image, while maintaining the size of the first object displayed in three dimensions, by adjusting the refractive index of at least one lens included in the light field display.

12. In any one of paragraphs 8 to 11, The electronic device further comprises at least one camera configured to track the user's eyes, A non-transitory recording medium characterized in that the instructions further include instructions configured to cause the electronic device to identify a rotational state of the light field display based on an angle formed by a first center line corresponding to the user's eye and a second center line corresponding to the light field display.

13. In any one of paragraphs 8 to 12, The electronic device further comprises a drive motor set to rotate the light field display, A non-transitory recording medium characterized in that the instructions further include instructions configured to cause the electronic device to control the drive motor so that the light field display rotates at a first designated speed in the first non-rotating state, and to control the drive motor so that the light field display rotates at a speed faster than the first designated speed in the second state.

14. In any one of paragraphs 8 to 13, The first non-rotating state includes a state in which the light field display is set to display at least one screen according to a landscape mode, A non-transitory recording medium, characterized in that the second non-rotating state includes a state in which the light field display is set to display the at least one screen according to a portrait mode.

15. In a method of controlling an electronic device, An operation of displaying a first object in three dimensions using the light field display while the light field display of the electronic device is in a first non-rotating state; An operation of changing and displaying the display properties of the first object being displayed in three dimensions based on the light field display of the electronic device being switched from the first state to a second state rotated to be included within a first specified angular range; An operation of changing the first object whose display properties have been changed into a two-dimensional image and displaying it based on the light field display of the electronic device being switched from the second state to a third state in which the display properties have been changed to be included within a second specified angular range, and A method for controlling an electronic device, characterized in that the light field display of the electronic device includes an operation of re-displaying the first object displayed as the two-dimensional image in three dimensions based on the transition from the third state to the second non-rotated state.

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