Foldable electronic device comprising plate for supporting display
Patent Information
- Application Number
- PCT/KR2024/003523
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-07-26
- Filing Date
- 2024-03-20
- Publication Date
- 2025-09-11
AI Technical Summary
Foldable electronic devices face challenges in maintaining display integrity and structural support during folding and unfolding, leading to potential damage and reduced lifespan due to uneven stress distribution and rigidity variations in the supporting structures.
A foldable electronic device design featuring a plate with a third plate part that includes slits and bridges, allowing for gradual stiffness changes and uniform stress distribution, supported by a hinge structure with rotating members and support members to manage the display's bending and unfolding states.
The solution enhances the device's durability and lifespan by distributing stress uniformly and maintaining structural integrity during folding and unfolding, ensuring the display remains functional and intact across various states.
Smart Images

Figure KR2024003523_12092025_PF_FP_ABST
Abstract
Description
A foldable electronic device comprising a plate for supporting a display
[0001] The descriptions below relate to a foldable electronic device that includes a plate for supporting a display.
[0002] A foldable electronic device may include a display. The display may form at least a portion of a front surface of the foldable electronic device. The display may include a display part configured to bend within a folded state of the foldable electronic device. For example, the shape of the display part may change depending on a change from a folded state of the foldable electronic device to an unfolded state of the foldable electronic device and a change from an unfolded state of the foldable electronic device to a folded state of the foldable electronic device.
[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] A foldable electronic device is provided. The foldable electronic device may include a display comprising a first display part (or a portion or section), a second display part spaced apart from the first display part, and a third display part extending (or extending) from the first display part to the second display part and configured to be bent (e.g., relative to a folding axis, relative to a folding axis, or in relation to a folding axis) when the foldable electronic device is folded. In other words, the third display part may be arranged between the first and second display parts and may connect the first and second display parts. The foldable electronic device may include a plate disposed under the display to support the display. The plate may include a first plate part (or a portion or section), a second plate part spaced apart from the first plate part, and a third plate part extending (or extending) from the first plate part to the second plate part. The third plate part may be arranged relative to the third display part, for example, to support the third display part when the foldable electronic device is in at least one of folded and unfolded states or configurations. The third plate part may be configured to be at least partially bent when the foldable electronic device is folded. The third plate part may include a first portion positioned along (or adjacent to, or next to) a first boundary between the first plate part and the third plate part, a second portion positioned along (or adjacent to, or next to) a second boundary between the second plate part and the third plate part, and a third portion between the first portion and the second portion.In other words, the third portion may be a center or middle portion of the third plate part connecting or extending between the first portion and the second portion. Each of the first portion and the second portion may include first slits (e.g., each of the first slits, or each of a plurality of first slits), each having a longitudinal direction parallel to the folding axis and a first length, and first bridges (e.g., each of the first bridges, or each of the plurality of first bridges) positioned between the first slits. In other words, each of the first bridges may be positioned (or located, or arranged, or defined) between each pair of first slits. The third portion may include second slits (or a plurality of second slits), each having a second length longer than the first length, and second bridges (or a plurality of second bridges) positioned between the second slits. In other words, each second bridge can be positioned (or located, or arranged, or defined) between each pair of second slits. The first bridges can be aligned with the centers of the second slits in a direction perpendicular to the folding axis. In other words, the first bridge (or each first bridge) can be aligned with the longitudinal center point of each second slit. The configuration of the slits and bridges can enable the third portion to be more flexible (e.g., to have lower rigidity, or to have lower stiffness) than the first and second portions. Accordingly, the stiffness of the third plate part can be progressive, and the stiffness of the third plate part can be greatest at the edge (first and second) portions and least at the center (third) portion.In some embodiments, the strength of the central (or middle, or third) portion may be progressive (e.g., by varying the pattern, or arrangement, or slits, bridges, and optionally holes). Furthermore, the configuration of the slits and bridges may provide a more uniform stress distribution in the third plate part, thereby improving its lifespan.
[0005] A foldable electronic device is provided. The foldable electronic device may include a housing including a first housing part and a second housing part. The foldable electronic device may include a hinge structure including a first support member, a first rotation member rotatably coupled to the first support member and coupled to the first housing part, and a second rotation member rotatably coupled to the first support member and coupled to the second housing part, for unfolding and folding states of the foldable electronic device. The hinge structure may further include a second support member coupled to the first support member and separated from the first rotation member and the second rotation member. The foldable electronic device may include a display forming at least a portion of a front of the housing. The display may include a first display part, a second display part spaced apart from the first display part, and a third display part extending from the first display part to the second display part and configured to bend between the first display part and the second display part within the folded state provided by the hinge structure. The foldable electronic device may include a plate disposed under the display to support the display, the plate including the first rotation member, the second rotation member, and a surface facing the second support member. The plate may include the first plate part, the second plate part spaced apart from the first plate part, and the third plate part extending from the first plate part to the second plate part and arranged with respect to the third display part. The third plate part may be configured to bend within the folded state.The second support member may be configured to support the third display part that moves to the second support member according to a change from the unfolded state to the folded state. The third plate part may include a first portion arranged with respect to a first gap between the first rotation member and the second support member, a second portion arranged with respect to a second gap between the second rotation member and the second support member, a third portion positioned between a first boundary between the first plate part and the third plate part and the first portion, and a fourth portion positioned between a second boundary between the second plate part and the third plate part and the second portion. The widths of the first slits in the first portion and the second slits in the second portion may be narrower than the widths of the third slits in the third portion and the fourth slits in the fourth portion. The width of each of the first slits and the second slits may represent the length of each of the first slits and the second slits in a direction perpendicular to the folding axis of the foldable electronic device. The width of each of the third slits and the fourth slits may represent the length of each of the third slits and the fourth slits in a direction perpendicular to the folding axis of the foldable electronic device.
[0006] FIG. 1 is a block diagram of an electronic device within a network environment according to various embodiments.
[0007] Figure 2a illustrates an example of an unfolded state of an exemplary electronic device.
[0008] Figure 2b illustrates an example of a folded state of an exemplary electronic device.
[0009] Figure 2c is an exploded view of an exemplary electronic device.
[0010] FIG. 3 is a top view illustrating an exemplary electronic device in an unfolded state.
[0011] FIG. 4 is a cross-sectional view illustrating an example electronic device taken along line A-A' of FIG. 3.
[0012] Figures 5 to 7 illustrate examples of a third plate part including first slits within each of the first and second portions and second slits within each of the third portions.
[0013] Figure 8 shows an example of a third plate part including slits and holes.
[0014] Figures 9 to 11 illustrate examples of the shapes of openings arranged in a single pattern within the third plate part.
[0015] Figure 12 shows an example of the positional relationship between the hinge structure and the third plate part.
[0016] Figure 13 illustrates an example of a third plate part including slits having different widths.
[0017] Figure 14 shows an example of the thickness of the third plate part.
[0018] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings 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 connection with the description of the drawings, the same or similar reference numerals may be used for identical or similar components. Furthermore, in the drawings and related descriptions, descriptions of well-known functions and configurations may be omitted for clarity and conciseness.
[0019] FIG. 1 is a block diagram of an electronic device (101) within a network environment (100) according to various embodiments.
[0020] 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)).
[0021] 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.
[0022] 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.
[0023] 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).
[0024] 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).
[0025] 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).
[0026] 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.
[0027] 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.
[0028] 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).
[0029] 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.
[0030] 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.
[0031] 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).
[0032] 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.
[0033] 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.
[0034] 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).
[0035] 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.
[0036] 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).
[0037] 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.
[0038] 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).
[0039] 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.
[0040] 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)).
[0041] 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 one 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.
[0042] Figure 2a illustrates an example of an unfolded state of an exemplary electronic device.
[0043] Figure 2b illustrates an example of a folded state of an exemplary electronic device.
[0044] Figure 2c is an exploded view of an exemplary electronic device.
[0045] Referring to FIGS. 2A, 2B, and 2C, an electronic device (200) (e.g., electronic device (101) of FIG. 1) may include a housing including a first housing part (210) and a second housing part (220), a display (230), at least one camera (240) (e.g., camera module (180) of FIG. 1), a hinge structure (250), and / or at least one electronic component (260).
[0046] The first housing part (210) and the second housing part (220) may form at least a portion of an outer surface of the electronic device (200) that can be gripped by a user. At least a portion of the outer surface of the electronic device (200) defined by the first housing part (210) and the second housing part (220) may come into contact with a portion of the user's body when the electronic device (200) is used by the user. For example, the first housing part (210) may include a first side (211), a second side (212) facing the first side (211) and spaced apart from the first side (211), and a first side (213) enclosing at least a portion of the first side (211) and the second side (212). The first side (213) can connect the periphery of the first side (211) and the periphery of the second side (212). The first side (211), the second side (212), and the first side (213) can define an internal space of the first housing part (210). For example, the first housing part (210) can provide a space formed by the first side (211), the second side (212), and the first side (213) as a space for arranging components of the electronic device (200).
[0047] For example, the second housing part (220) may include a third face (221), a fourth face (222) facing the third face (221) and spaced apart from the third face (221), and a second side (223) surrounding at least a portion of the third face (221) and the fourth face (222). The second side (223) may connect a periphery of the third face (221) and a periphery of the fourth face (222). The third face (221), the fourth face (222), and the second side (223) may define an interior space of the second housing part (220). For example, the second housing part (220) may provide a space formed by the third side (221), the fourth side (222), and the second side (223) surrounding at least a portion of the third side (221) and the fourth side (222), as a space for mounting components of the electronic device (101). For example, the second housing part (220) may be coupled to the first housing part (210) so as to be rotatably or pivotably rotat ...
[0048] For example, each of the first housing part (210) and the second housing part (220) may include a first protective member (214) and a second protective member (224), respectively. The first protective member (214) and the second protective member (224) may be disposed on the first side (211) and the third side (221) along the periphery of the display (230). For example, the first protective member (214) and the second protective member (224) may reduce the ingress of foreign substances (e.g., dust or moisture) through the gap between the display (230) and the first housing part (210) and the second housing part (220). For example, the first protective member (214) may surround an edge of a first display area (231) of the display (230), and the second protective member (224) may surround an edge of a second display area (232) of the display (230). The first protective member (214) may be attached to a first side (213) of the first housing part (210) or may be formed integrally with the first side (213). The second protective member (224) may be attached to a second side (223) of the second housing part (220) or may be formed integrally with the second side (223).
[0049] For example, the first side (213) and the second side (223) may include a conductive material, a non-conductive material, or a combination thereof. For example, the second side (223) may include at least one conductive member (225) and at least one non-conductive member (226). The at least one conductive member (225) may include a plurality of conductive members that are spaced apart from each other. The at least one non-conductive member (226) may be disposed between the plurality of conductive members. The plurality of conductive members may be isolated from each other by the at least one non-conductive member (226) disposed between the plurality of conductive members. For example, the plurality of conductive members and the plurality of non-conductive members may form an antenna radiator. The electronic device (200) may be configured to communicate with an external electronic device through the antenna radiator formed by the plurality of conductive members and the plurality of non-conductive members.
[0050] The display (230) may be configured to display visual information. For example, the display (230) may form at least a portion of the front (or front surface) of the electronic device (200) or the housing. For example, the display (230) may be arranged across or over the hinge structure (250). For example, the display (230) may include a first display area (231) formed on a first surface (211) of the first housing, a second display area (232) formed on a third surface (221) of the second housing, and a third display area (233) formed between the first display area (231) and the second display area (232). The first display area (231), the second display area (232), and the third display area (233) may form the front surface of the display (230). For example, the display (230) may further include a sub-display panel (235) forming at least a portion of the fourth side (222) of the second housing part (220). For example, the display (230) may be referred to as a flexible display. For example, the display (230) may include a window exposed toward the outside of the electronic device (200). The window may protect a surface of the display (230) and may include a substantially transparent material. For example, the window may include, but is not limited to, glass (e.g., UTG, ultra-thin glass) and / or a polymer (e.g., PI, polyimide).
[0051] At least one camera (240) may be configured to acquire an image of a subject based on receiving light from outside the electronic device (200). For example, the at least one camera (240) may include first cameras (241), second cameras (242), and third cameras (243). The first cameras (241) may be disposed within the first housing part (210). For example, the first cameras (241) may be disposed within the first housing part (210), and at least a portion of each of the first cameras (241) may be exposed through the second side (212) of the first housing part (210) so as to be visible. The first cameras (241) may be supported by a bracket (not shown) within the first housing part (210). The first housing part (210) may include at least one opening (241a) that overlaps the first cameras (241) when viewed from above on the second side (212). The first cameras (241) may acquire images based on receiving light from the outside of the electronic device (200) through the at least one opening (241a).
[0052] For example, the second camera (242) may be disposed within the second housing part (220). For example, the second camera (242) may be disposed within the second housing part (220) and may be exposed through the sub-display panel (235) so as to be visible. The second housing part (220) may include at least one opening (242a) that overlaps the second camera (242) when the fourth surface (222) is viewed from above. The second camera (242) may acquire an image (e.g., a selfie image) based on receiving light from the outside of the electronic device (200) through the at least one opening (242a).
[0053] For example, the third camera (243) may be disposed within the first housing part (210). For example, the third camera (243) may be disposed within the first housing part (210), and at least a portion of the third camera (243) may be exposed through the first surface (211) of the first housing part (210) so as to be visible. For example, the third camera (243) may be disposed within the first housing part (210), and at least a portion of the third camera (243) may be exposed through the first display area (231) of the display (230) so as to be visible. The first display area (231) of the display (230) may include at least one opening (not shown) that overlaps the third camera (243) when the display (230) is viewed from above. The third camera (243) can acquire an image based on receiving light from outside the display (230) through at least one opening.
[0054] For example, the second camera (242) and the third camera (243) may be positioned below the display (230) (e.g., toward the inside of the first housing part (210) or the inside of the second housing part (220). For example, the second camera (242) and the third camera (243) may be under-display cameras (UDCs). For example, when the second camera (242) and the third camera (243) are under-display cameras, an area of the display (230) corresponding to the positions of each of the second camera (242) and the third camera (243) may not be an inactive area. For example, when the second camera (242) and the third camera (243) are under-display cameras, an area of the display (230) corresponding to the respective positions of the second camera (242) and the third camera (243) may have a lower pixel density than the pixel density of other areas of the display (230). The inactive area of the display (230) may refer to an area of the display (230) that does not include pixels or does not emit light to the outside of the electronic device (200). For example, the second camera (242) and the third camera (243) may be punch-hole cameras. For example, when the second camera (242) and the third camera (243) are punch-hole cameras, an area of the display (230) corresponding to the respective positions of the second camera (242) and the third camera (243) may be an inactive area. For example, if the second camera (242) and the third camera (243) are punch hole cameras, an area of the display (230) corresponding to the positions of each of the second camera (242) and the third camera (243) may include an opening.
[0055] For example, the hinge structure (250) can rotatably connect the first housing part (210) and the second housing part (220). The hinge structure (250) can be positioned between the first housing part (210) and the second housing part (220) of the electronic device (200) so that the electronic device (200) can be bent, curved, or folded. For example, the hinge structure (250) can be positioned between a portion of the first side (213) and a portion of the second side (223) that face each other. The hinge structure (250) can be used to change the state of the electronic device (200) to an unfolded state in which the first side (211) of the first housing part (210) and the third side (221) of the second housing part (220) are facing in substantially the same direction, or a folded state in which the first side (211) and the third side (221) face each other. When the electronic device (200) is in the folded state, the first housing part (210) and the second housing part (220) can be folded or overlapped.
[0056] For example, when the electronic device (200) is in a folded state, the direction in which the first side (211) faces and the direction in which the third side (221) faces may be different from each other. For example, when the electronic device (200) is in a folded state, the direction in which the first side (211) faces and the direction in which the third side (221) faces may be opposite to each other. For example, when the electronic device (200) is in a folded state, the direction in which the first side (211) faces and the direction in which the third side (221) faces may be inclined with respect to each other.
[0057] For example, the electronic device (200) may be foldable based on a folding axis (f). The folding axis (f) may refer to, but is not limited to, an imaginary line extending through the hinge cover (251) in a direction substantially parallel to the longitudinal direction of the electronic device (200) (e.g., d1 in FIGS. 2A and 2B). For example, the folding axis (f) may be an imaginary line extending in a direction substantially perpendicular to the longitudinal direction of the electronic device (200) (e.g., d2 in FIGS. 2A and 2B). When the folding axis (f) extends in a direction substantially perpendicular to the longitudinal direction of the electronic device (200), the hinge structure (250) may extend alongside the folding axis (f) (or along the folding axis (f)) to connect the first housing part (210) and the second housing part (220). The first housing part (210) and the second housing part (220) may be rotatable by a hinge structure (250) extending in a direction substantially perpendicular to the longitudinal direction of the electronic device (200).
[0058] For example, the hinge structure (250) may include a hinge cover (251), a first hinge plate (252), a second hinge plate (253), and a hinge module (254). The hinge cover (251) may surround internal components of the hinge structure (250) and form an outer surface of the hinge structure (250). According to one embodiment, the hinge cover (251) surrounding the hinge structure (250) may be at least partially exposed between the first housing part (210) and the second housing part (220) when the electronic device (200) is in a folded state. As a non-limiting example, when the electronic device (200) is in an unfolded state, the hinge cover (251) may not be exposed because it is covered by the first housing part (210) and the second housing part (220).
[0059] For example, the first hinge plate (252) and the second hinge plate (253) can be coupled to the first housing part (210) and the second housing part (220), respectively, thereby rotatably connecting the first housing part (210) and the second housing part (220). For example, the first hinge plate (252) can be coupled to the first front bracket (215) of the first housing part (210), and the second hinge plate (253) can be coupled to the second front bracket (227) of the second housing part (220). As the first hinge plate (252) and the second hinge plate (253) are coupled to the first front bracket (215) and the second front bracket (227), respectively, the first housing part (210) and the second housing part (220) can be rotated according to the rotation of the first hinge plate (252) and the second hinge plate (253).
[0060] The hinge module (254) can rotate the first hinge plate (252) and the second hinge plate (253). For example, the hinge module (254) can rotate the first hinge plate (252) and the second hinge plate (253) about the folding axis (f) by including gears that are interlocked with each other and can rotate. For example, the hinge modules (254) may be plural. For example, the plurality of hinge modules (254) may be arranged at both ends of the first hinge plate (252) and the second hinge plate (253) so as to be spaced apart from each other.
[0061] For example, the display (230) can be unfolded or folded by the first hinge plate (252) while the state of the electronic device (200) changes.
[0062] For example, the first hinge plate (252) can be rotated relative to the hinge cover (251) according to the rotation of the first housing part (210) to change the unfolded state of the electronic device (200) to the folded state of the electronic device (200).
[0063] As a non-limiting example, a first angle at which the first hinge plate (252) is rotated relative to the hinge cover (251) to change the unfolded state of the electronic device (200) to the folded state of the electronic device (200) may be the same as a second angle at which the first housing part (210) is rotated relative to the hinge cover (251) to change the unfolded state of the electronic device (200) to the folded state of the electronic device (200).
[0064] As a non-limiting example, the first angle may be different from the second angle. For example, the first angle may be greater than the second angle. For example, within the folded state of the electronic device (200), the first hinge plate (252) may be inclined with respect to the first surface (211) of the first housing part (210).
[0065] For example, the display (230) can be unfolded or folded by the second hinge plate (253) while the state of the electronic device (200) changes.
[0066] For example, the second hinge plate (253) can be rotated relative to the hinge cover (251) according to the rotation of the second housing part (220) to change the unfolded state of the electronic device (200) to the folded state of the electronic device (200).
[0067] As a non-limiting example, the third angle at which the second hinge plate (253) is rotated relative to the hinge cover (251) to change the unfolded state of the electronic device (200) to the folded state of the electronic device (200) may be the same as the fourth angle at which the second housing part (220) is rotated relative to the hinge cover (251) to change the unfolded state of the electronic device (200) to the folded state of the electronic device (200).
[0068] As a non-limiting example, the third angle may be different from the fourth angle. For example, the third angle may be greater than the fourth angle. For example, within the folded state of the electronic device (200), the second hinge plate (253) may be inclined with respect to the third surface (221) of the second housing part (220).
[0069] For example, the first housing part (210) may include a first front bracket (215) and a first rear bracket (216), and the second housing part (220) may include a second front bracket (227) and a second rear bracket (228). The first front bracket (215) and the first rear bracket (216) may support components of the electronic device (200). The first front bracket (215) may define the first housing part (210) by being coupled with the first rear bracket (216). The first rear bracket (216) may define a portion of an outer surface of the first housing part (210). The second front bracket (227) and the second rear bracket (228) may support components of the electronic device (200). The second front bracket (227) can define a second housing part (220) by being combined with the second rear bracket (228). The second rear bracket (228) can define a portion of an outer surface of the second housing part (220). For example, the display (230) can be disposed on one side of the first front bracket (215) and one side of the second front bracket (227). The first rear bracket (216) can be disposed on the other side of the first front bracket (215) opposite the one side of the first front bracket (215). The second rear bracket (228) can be disposed on the other side of the second front bracket (227) opposite the one side of the second front bracket (227). The sub display panel (235) can be placed between the second front bracket (227) and the second rear bracket (228).
[0070] For example, a portion of the first front bracket (215) may be surrounded by the first side (213), and a portion of the second front bracket (227) may be surrounded by the second side (223). As a non-limiting example, the first front bracket (215) may be formed integrally with the first side (213), and the second front bracket (227) may be formed integrally with the second side (223). As a non-limiting example, the first front bracket (215) may be formed separately from the first side (213), and the second front bracket (227) may be formed separately from the second side (223).
[0071] At least one electronic component (260) may be used to implement or execute various functions to be provided to a user. For example, the at least one electronic component (260) may include a first printed circuit board (261), a second printed circuit board (262), a flexible printed circuit board (263), a battery (264) (e.g., the battery (189) of FIG. 1), and / or an antenna (265) (e.g., the antenna module (197) of FIG. 1). Each of the first printed circuit board (261) and the second printed circuit board (262) may form electrical connections with components within the electronic device (200). For example, components for implementing the overall function of the electronic device (200) (e.g., the processor (120) of FIG. 1) may be placed on the first printed circuit board (261), and electronic components for implementing some functions of the first printed circuit board (261) may be placed on the second printed circuit board (262). For example, components for the operation of the sub-display panel (235) placed on the fourth surface (222) may be placed on the second printed circuit board (262).
[0072] For example, the first printed circuit board (261) may be disposed within the first housing part (210). For example, the first printed circuit board (261) may be disposed on one surface of the first front bracket (215). For example, the second printed circuit board (262) may be disposed within the second housing part (220). For example, the second printed circuit board (262) may be spaced apart from the first printed circuit board (261) and disposed on one surface of the second front bracket (227). A flexible printed circuit board (263) may connect the first printed circuit board (261) and the second printed circuit board (262). For example, the flexible printed circuit board (263) may extend from the first printed circuit board (261) to the second printed circuit board (262).
[0073] The battery (264) is a device for supplying power to at least one component of the electronic device (200), and may include, for example, a rechargeable secondary battery. At least a portion of the battery (264) may be disposed substantially on the same plane as the first printed circuit board (261) or the second printed circuit board (262).
[0074] The antenna (265) may be configured to receive power or a signal from outside the electronic device (200). According to one embodiment, the antenna (265) may be positioned between the first rear bracket (216) and the battery (264). The antenna (265) may include, for example, a near field communication (NFC) antenna, an antenna module, and / or a magnetic secure transmission (MST) antenna. The antenna (265) may, for example, perform short-range communication with an external device or wirelessly transmit and receive power required for charging.
[0075] FIG. 3 is a top view illustrating an exemplary electronic device in an unfolded state.
[0076] Referring to FIG. 3, the electronic device (200) may be a foldable device having a folding axis (e.g., folding axis (f) of FIG. 2A) in the longitudinal direction (e.g., d1 of FIGS. 2A and 2B), as illustrated in FIGS. 2A, 2B, and 2C. The electronic device (200) may be replaced with an electronic device (291) which is a foldable device having a folding axis in the width direction perpendicular to the longitudinal direction, or with an electronic device (292) which is a foldable device (or multi-foldable device) having two or more folding axes, or with an electronic device (293) which is a rollable device that slides into or out of a housing. The following descriptions exemplified with respect to the electronic device (200) are merely exemplary, and the following descriptions may be applied to the electronic device (291), the electronic device (292), and the electronic device (293). For example, the plate (320) exemplified by the descriptions below may be included in the electronic device (291) with the plate (320) rotated 90 degrees.
[0077] The electronic device (200) may include a first housing part (210), a second housing part (220), a hinge structure (250), a display (310) (e.g., the display (230) of FIGS. 2A, 2B, and 2C), and a plate (320).
[0078] The first housing part (210) may support some of the components of the electronic device (200). The first housing part (210) may be movable with respect to the second housing part (220). For example, the first housing part (210) may be rotatable with respect to the second housing part (220). For example, rotation of the first housing part (210) may cause rotation of the first hinge plate (e.g., the first hinge plate (252) of FIG. 2C).
[0079] The second housing part (220) may support other parts of the components of the electronic device (200). The second housing part (220) may be movable with respect to the first housing part (210). For example, the second housing part (220) may be rotatable with respect to the first housing part (210). For example, rotation of the second housing part (220) may cause rotation of the second hinge plate (e.g., the second hinge plate (253) of FIG. 2C).
[0080] The hinge structure (250) can movably connect the first housing part (210) and the second housing part (220). The hinge structure (250) can be configured to change the unfolded state of the electronic device (200) into the folded state of the electronic device (200). The hinge structure (250) can be configured to change the folded state of the electronic device (200) into the unfolded state of the electronic device (200). For example, in the unfolded state of the electronic device (200), the direction in which the first surface of the first housing part (210) (e.g., the first surface (211) of FIG. 2A) faces and the direction in which the third surface of the second housing part (220) (e.g., the third surface (221) of FIG. 2A) faces can both be substantially the same in the +z direction. For example, the unfolded state of the electronic device (200) can be changed to the folded state by the second housing part (220) that is rotated with respect to the first housing part (210) through the hinge structure (250). For example, in the folded state of the electronic device (200), the first side (211) of the first housing part (210) can face the third side (221) of the second housing part (220). For example, the folded state of the electronic device (200) can be changed to the unfolded state of the electronic device (200) by the second housing part (220) that is rotated with respect to the first housing part (210) through the hinge structure (250). For example, while the folded state of the electronic device (200) is changed to the unfolded state of the electronic device (200) or while the unfolded state of the electronic device (200) is changed to the folded state of the electronic device (200), the electronic device (200) may have an intermediate state (e.g., flex mode).
[0081] The above hinge structure (250) is merely exemplary and does not limit the implementations described or claimed in this document. For example, the hinge structure (250) may include other components that replace at least some of the components illustrated above. As a non-limiting example, the hinge structure (250) may be replaced with the hinge structure illustrated in FIGS. 12 and 13.
[0082] The display (310) may be configured to provide visual content. The display (310) may be positioned across the hinge structure (250). The display (310) may form at least a portion of the front of the first housing part (210) and at least a portion of the front of the second housing part (220). The display (310) may be deformable by the second housing part (220) rotating relative to the first housing part (210). For example, the display (310) may be unfolded or folded by the second housing part (220) rotating relative to the first housing part (210).
[0083] The display (310) may include a first display part (311) forming a portion of the front of the first housing part (210), a second display part (312) spaced from the first display part (311) and forming a portion of the front of the second housing part (220), and a third display part (313) extending from the first display part (311) to the second display part (312).
[0084] For example, the display (310) can be folded or unfolded depending on the second housing part (220) being rotated relative to the first housing part (210).
[0085] For example, the shape of the third display part (313) may change, unlike the shapes of the first display part (311) and the second display part (312), depending on the change from the unfolded state of the electronic device (200) to the folded state of the electronic device (200). For example, the shape of the third display part (313) may change, unlike the shapes of the first display part (311) and the second display part (312), depending on the change from the folded state of the electronic device (200) to the unfolded state of the electronic device (200). For example, the third display part (313) may be configured to bend between the first display part (311) and the second display part (312) when the electronic device (200) is folded, and may be configured to straighten between the first display part (311) and the second display part (312) when the electronic device (200) is unfolded. For example, the first display part (311), the second display part (312), and the third display part (313) may form substantially one plane when the electronic device (200) is unfolded.
[0086] For example, the shapes (or overall shapes) of the first display part (311) and the second display part (312) can be maintained regardless of (or independently of) a change from an unfolded state of the electronic device (200) to a folded state of the electronic device (200), unlike the shape of the third display part (313). For example, the shapes (or overall shapes) of the first display part (311) and the second display part (312) can be maintained regardless of (or independently of) a change from a folded state of the electronic device (200) to an unfolded state of the electronic device (200), unlike the shape of the third display part (313).
[0087] The plate (320) can support the display (310). For example, the plate (320) can be positioned below the display (310) (e.g., in the -z direction) to support the display (310). For example, the plate (320) can be directly or indirectly attached to the display (310).
[0088] For example, the plate (320) can protect the display (310) from external force (or impact) applied to the display (310). For example, the plate (320) can be used to shield noise and dissipate heat. As a non-limiting example, the plate (320) can be formed of stainless steel and / or carbon fiber reinforced plastic (CFRP). As a non-limiting example, the plate (320) can be formed of a member having multiple layers configured with copper, aluminum, stainless steel, and / or stainless steel and aluminum.
[0089] The plate (320) can be positioned across the hinge structure (250). For example, the plate (320) can be unfolded or folded by the second housing part (220) rotating relative to the first housing part (210).
[0090] The plate (320) may include a first plate part (321), a second plate part (322) spaced apart from the first plate part (321), and a third plate part (323) extending from the first plate part (321) to the second plate part (322). For example, the first plate part (321) and the second plate part (322) may be arranged with respect to the first display part (311) and the second display part (312), respectively, and the third plate part (323) may be arranged with respect to the third display part (313). For example, the third plate part (323) may be referred to as a flexible part (323).
[0091] As a non-limiting example, the first plate part (321) may be positioned below (e.g., in the -z direction) the first display part (311) and may be directly or indirectly attached to the first display part (311). As a non-limiting example, the second plate part (322) may be positioned below (e.g., in the -z direction) the second display part (312) and may be directly or indirectly attached to the second display part (312). As a non-limiting example, the third plate part (323) may be positioned below (e.g., in the -z direction) the third display part (313) and may be directly or indirectly attached to the third display part (313).
[0092] As a non-limiting example, the first plate part (321) may be positioned below a portion of the first display part (311) and may be directly or indirectly attached to said portion of the first display part (311). As a non-limiting example, the second plate part (322) may be positioned below a portion of the second display part (312) and may be directly or indirectly attached to said portion of the second display part (312). As a non-limiting example, the third plate part (323) may be positioned below a remaining portion of the first display part (311), a remaining portion of the second display part (312), and a third display part (313), and may be directly or indirectly attached to a remaining portion of the first display part (311), a remaining portion of the second display part (312), and a third display part (313).
[0093] As a non-limiting example, the first plate part (321) may be positioned below a portion of the first display part (311) and the third display part (313) and may be directly or indirectly attached to said portions of the first display part (311) and the third display part (313). As a non-limiting example, the second plate part (322) may be positioned below another portion of the second display part (312) and the third display part (313) and may be directly or indirectly attached to said other portions of the second display part (312) and the third display part (313). As a non-limiting example, the third plate part (323) may be positioned below a remaining portion of the third display part (313) and may be directly or indirectly attached to a remaining portion of the third display part (313).
[0094] For example, the plate (320) can be folded or unfolded depending on the second housing part (220) being rotated relative to the first housing part (210).
[0095] For example, the shape of the third plate part (323) may be changed, unlike the shapes of the first plate part (321) and the second plate part (322), according to a change from an unfolded state of the electronic device (200) to a folded state of the electronic device (200). For example, the shape of the third plate part (323) may be changed, unlike the shapes of the first plate part (321) and the second plate part (322), according to a change from a folded state of the electronic device (200) to an unfolded state of the electronic device (200). For example, the third plate part (323) may be configured to at least partially bend between the first plate part (321) and the second plate part (322) when the electronic device (200) is folded, and may be configured to straighten between the first plate part (321) and the second plate part (322) when the electronic device (200) is unfolded. For example, the first plate part (321), the second plate part (322), and the third plate part (323) may form substantially one plane when the electronic device (200) is unfolded.
[0096] For example, the shapes (or overall shapes) of the first plate part (321) and the second plate part (322) can be maintained regardless of (or independently of) a change from an unfolded state of the electronic device (200) to a folded state of the electronic device (200), unlike the shape of the third plate part (323). For example, the shapes (or overall shapes) of the first plate part (321) and the second plate part (322) can be maintained regardless of (or independently of) a change from a folded state of the electronic device (200) to an unfolded state of the electronic device (200), unlike the shape of the third plate part (323).
[0097] As a non-limiting example, the thickness (or width) of the first plate part (321) may be substantially uniform, the thickness of the second plate part (322) may be substantially uniform, and the thickness of the third plate part (323) may be substantially uniform. The thickness (or width) of the first plate part (321) being substantially uniform, the thickness of the second plate part (322) being substantially uniform, and the thickness of the third plate part (323) being substantially uniform is merely exemplary and does not limit the implementations described or claimed herein. For example, as illustrated in FIG. 14 , the thickness of the third plate part (323) may be nonuniform, uneven, or irregular.
[0098] As a non-limiting example, the thicknesses of the first plate part (321), the second plate part (322), and the third plate part (323) may be substantially equal to each other. The fact that the thicknesses of the first plate part (321), the second plate part (322), and the third plate part (323) are substantially equal to each other is merely exemplary and does not limit the implementations described or claimed within this document.
[0099] The positional relationship between the display (310) and the plate (320) is further illustrated in the description of FIG. 4.
[0100] FIG. 4 is a cross-sectional view illustrating an example electronic device taken along line A-A' of FIG. 3.
[0101] Referring to FIG. 4, the display (310) may be in direct or indirect contact with the plate (320). For example, the display (310) may be directly attached to the plate (320). For example, the display (310) may be indirectly attached to the plate (320). Although not shown in FIG. 4, at least one functional layer (or plate) may be interposed, positioned, or arranged between the display (310) and the plate (320).
[0102] As a non-limiting example, the first plate part (321) may be aligned with the first display part (311), the second plate part (322) may be aligned with the second display part (312), and the third plate part (323) may be aligned with the third display part (313).
[0103] The electronic device (200) may include a first support plate (401) and a second support plate (402). For example, the first support plate (401) and the second support plate (402) may support the display (310). For example, the first support plate (401) and the second support plate (402) may support the plate (320). The first support plate (401) may be spaced apart from the second support plate (402). For example, the first support plate (401) may be directly or indirectly attached to at least a portion of the first plate part (321), and the second support plate (402) may be directly or indirectly attached to at least a portion of the second plate part (322). As a non-limiting example, the first support plate (401) and the second support plate (402) may be formed of stainless steel.
[0104] Although not illustrated in FIG. 4, the electronic device (200) may further include at least one functional layer between the plate (320) and the first support plate (401) and / or between the plate (320) and the second support plate (402). For example, the at least one layer may include a layer including a portion of a digitizer embedded between the first support plate (401) and the first plate part (321) and another portion of the digitizer embedded between the second support plate (402) and the second plate part (322). For example, the at least one layer may include a layer including a film for reducing insertion of external micro-objects into the third plate part (323). For example, the film may be formed of thermoplastic polyurethane (TPU). For example, if the digitizer is included in an electronic device (200), the film may be embedded between the layer including the digitizer and the plate (320).
[0105] For example, the third plate part (323) within the plate (320) may be arranged with respect to the third display part (313). The arrangement of the third plate part (323) with respect to the third display part (313) may indicate that the third plate part (323) is structurally arranged to influence the third display part (313). The arrangement of the third plate part (323) with respect to the third display part (313) may indicate that the third plate part (323) is structurally arranged to be influenced by the third display part (313).
[0106] For example, the third plate part (323) may be bent based on the axis (490) (or folding axis (490)) according to the bending of the third display part (313). For example, the third plate part (323) may be configured to be straightened in the unfolded state (400) of the electronic device (200) and to be bent in the folded state (450) of the electronic device (200). For example, the third plate part (323) that is bent by changing from the unfolded state (400) of the electronic device (200) to the folded state (450) of the electronic device (200) may include a plurality of slits for elasticity. The plurality of slits may include a plurality of openings, a plurality of slots, a plurality of apertures, a plurality of holes, or a plurality of gaps. The plurality of slits may be spaced apart from each other. The plurality of slits may form a lattice structure.
[0107] For example, when the third plate part (323) does not include the plurality of slits, creases may occur within the third plate part (323) due to the rigidity of the first plate part (321) and the second plate part (322). For example, the third plate part (323) may reduce the occurrence of the creases by including the plurality of slits having a shape that is deformed according to the change to the folded state (450) of the electronic device (200). For example, the third plate part (323) may reduce the breakage of the first plate part (321) and the second plate part (322) by including the plurality of slits.
[0108] For example, when the third plate part (323) includes the plurality of slits arranged in a single pattern, stress due to the difference between the rigidity of the first plate part (321) and the rigidity of the third plate part (323) may be concentrated at the first boundary (411) between the first plate part (321) and the third plate part (323). For example, the stress may be caused by an impact transmitted to the electronic device (200).
[0109] For example, when the third plate part (323) includes the plurality of slits arranged in a single pattern, stress due to the difference between the stiffness of the second plate part (322) and the stiffness of the third plate part (323) may be concentrated at the second boundary (412) between the second plate part (322) and the third plate part (323). For example, the stress may be caused by an impact transmitted to the electronic device (200).
[0110] The third plate part (323) may include a first portion positioned along the first boundary (411), a second portion positioned along the second boundary (412), and a third portion between the first portion and the second portion.
[0111] The third plate part (323) may have a structure for reducing the stress concentrated on the first boundary (411). For example, the third plate part (323) may have a structure for a gradual change in stiffness from the first plate part (321) to the third portion in order to reduce the stress. For example, the third plate part (323) may include the first portion having a stiffness between the stiffness of the first plate part (321) and the stiffness of the third portion.
[0112] The third plate part (323) may have a structure for reducing the stress concentrated at the second boundary (412). For example, the third plate part (323) may have a structure for a gradual change in stiffness from the second plate part (322) to the third portion in order to reduce the stress. For example, the third plate part (323) may include the second portion having a stiffness between the stiffness of the second plate part (322) and the stiffness of the third portion.
[0113] For example, the third plate part (323) may have the structure including first slits within each of the first portion and the second portion, and second slits within the third portion. The structure is exemplified in FIGS. 5 to 7.
[0114] Figures 5 to 7 illustrate examples of a third plate part including first slits within each of the first and second portions and second slits within each of the third portions.
[0115] Referring to FIG. 5, the third plate part (323-1) within the plate (320-1) may include a first portion (501), a second portion (502), and a third portion (503). As a non-limiting example, the width (504) of the third plate part (323-1) may be about 11.15 (mm) (millimeters), and the length (505) of the third plate part (323-1) may be about 66.938 (mm).
[0116] Each of the first portion (501) and the second portion (502) may include first slits (511) that are parallel to an axis (e.g., axis (490) of FIG. 4). The first slits (511) may have a longitudinal direction parallel to the axis. Each of the first slits (511) may have a first height (531) (e.g., about 3.3 (mm), about 1.55 (mm), about 0.675 (mm), or about 0.2375 (mm)). For example, the first height (531) may represent a length of each of the first slits (511) in the direction of the axis (490). The first height (531) may sometimes be referred to as a first length. The first slits (511) may have a first width (541) (e.g., about 0.17 (mm)). Each of the first portion (501) and the second portion (502) may further include first bridges (521) positioned between the first slits (511) and having the same length. Each of the first bridges (521) may have a length (590) (e.g., about 0.2 (mm)). The plurality of slits in the first portion (501) may be described as being in a staggered or offset pattern or arrangement. Similarly, the plurality of slits in the second portion (502) may be described as being in a staggered or offset pattern or arrangement, and the pattern and arrangement may be the same as or corresponding to the pattern or arrangement of the plurality of first slits.
[0117] The third portion (503) may include second slits (512) that are parallel to the axis (490). The second slits (512) may have a longitudinal direction parallel to the axis. Each of the second slits (512) may have a second height (532) (e.g., about 6.8 (mm), about 3.3 (mm), about 1.55 (mm), or about 0.675 (mm)). For example, the second height (532) may represent a length of each of the second slits (512) in the direction of the axis (490). The second height (532) may sometimes be referred to as a second length. Each of the second slits (512) may have a second width (542) (e.g., about 0. 17 (mm)). The third portion (503) may further include second bridges (522) positioned between the second slits (512) and having the same length as each other. For example, each of the second bridges (522) may have a length (590). The plurality of slits of the third portion (503) may be described as having a staggered or offset pattern or arrangement.
[0118] The second height (532) may be longer than the first height (531). For example, the first height (531) may be shorter than the second height (532) to ensure a stiffness of the first portion (501) that is higher than the stiffness of the third portion (503). For example, the first height (531) may be shorter than the second height (532) to ensure a gradual change in stiffness from the first plate portion (321) to the third portion (503) and a gradual change in stiffness from the second plate portion (322) to the third portion (503).
[0119] The first bridges (521) may be aligned to the centers (575) of the second slits (512) (in a direction perpendicular to the axis). For example, the first bridges (521) may be aligned to the centers (575) of the second slits (512) for uniform distribution of the stress and visibility of the display (310). For example, the first bridges (521) may be aligned to the centers (575) for a regular arrangement of the slits (e.g., the first slits (511)) within the first portion (501) and the slits (e.g., the second slits (512)) within the third portion (503).
[0120] As a non-limiting example, the first width (541) may be equal to the second width (542).
[0121] For example, each of the first portion (501) and the second portion (502) may further include third slits (513) positioned along the first slits (511). Each of the third slits (513) may have a third height (533) that is the same as the first height (531). Each of the third slits (513) may have a third width (543) that is the same as the first width (541). Each of the first portion (501) and the second portion (502) may further include third bridges (523) positioned between the third slits (513) and having a length (590).
[0122] For example, the centers (580) of the third slits (513) may be aligned with the first bridges (521). For example, the first bridges (521) may be aligned with the centers (580) for a regular arrangement of the slits (e.g., the first slits (511) and the third slits (513)) within each of the first portion (501) and the second portion (502).
[0123] For example, each of the first portion (501) and the second portion (502) may include a line (551) and a line (553) positioned alongside (or next to) the line (551). The first slits (511) may be positioned along the line (551), and the third slits (512) may be positioned along the line (553). For example, each of the first portion (501) and the second portion (502) may include a rib (561). For example, the rib (561) may have a width (562) (e.g., about 0.17 (mm)). The or each rib may be described as a length or portion of material that is uninterrupted (i.e., not interrupted by a slit, hole, or other aperture).
[0124] For example, the third portion (503) may further include fourth slits (514) positioned along the second slits (512). Each of the fourth slits (514) may have a fourth height (534). Each of the fourth slits (514) may have a fourth width (544) that is equal to the second width (542). The third portion (503) may further include fourth bridges (524) positioned between the fourth slits (514) and having a length (590).
[0125] For example, the centers (585) of the fourth slits (514) can be aligned with the second bridges (522). For example, the second bridges (522) can be aligned with the centers (585) for a regular arrangement of the slits (e.g., the second slits (512) and the fourth slits (514)) within the third portion (503).
[0126] For example, the third portion (513) may include lines of the set (552) and lines of the set (554) positioned between the lines of the set (552). The second slits (512) may be positioned along the lines of the set (552), and the fourth slits (514) may be positioned along the lines of the set (554). For example, the third portion (503) may include ribs (563) between each of the lines of the set (552) and each of the lines of the set (554). For example, the ribs (563) may be positioned between the set (552) and the set (554). For example, the ribs (563) may have a width (564). For example, the width (564) may be equal to the width (562).
[0127] For example, one of the end portions (571) of each of the first slits (511) may be aligned with the end portion (572) of each of the second slits (512). For example, the first height (531) of the first slits (511), the second height (532) of the second slits (512), and the length (590) of the first bridges (521) may be expressed as the following mathematical equations.
[0128]
[0129] The above mathematical formula 1 is merely an example to aid understanding and is not limited thereto, and can be modified, applied, or expanded in various ways.
[0130] In mathematical expression 1, H1 represents the first height (531), H2 represents the second height (532), and L represents the length (590).
[0131] For example, the shapes of the first slits (511), the shapes of the second slits (512), the shapes of the third slits (513), and the shapes of the fourth slits (514) may be identical to each other. For example, the shapes of the first slits (511), the shapes of the second slits (512), the shapes of the third slits (513), and the shapes of the fourth slits (514) may be obround, as illustrated in FIG. 5.
[0132] The shapes of the first slits (511), the second slits (512), the third slits (513), and the fourth slits (514) in FIG. 5 are exemplary only and do not limit the implementations described or claimed in this document. For example, the shapes of the first slits (511), the second slits (512), the third slits (513), and the fourth slits (514) may be rectangular, rounded rectangles, or oval. For another example, the first slits (511), the second slits (512), the third slits (513), and the fourth slits (514) may be dumbbell-shaped, bowtie-shaped, hourglass-shaped, or bone-shaped.
[0133] It is merely exemplary that the third plate part (323-1) of FIG. 5 includes a single line (e.g., line (551)) for the first slits (511) and a single line (e.g., line (553)) for the third slits (513) within each of the first portion (501) and the second portion (502). Each of the first portion (501) and the second portion (502) may also include multiple lines for the first slits (511) and multiple lines for the third slits (513). The first portion (501) and the second portion (502) including multiple lines for the first slits (511) and multiple lines for the third slits (513), respectively, are exemplified within the description of FIG. 6.
[0134] Referring to FIG. 6, the third plate part (323-2) within the plate (320-2), unlike the third plate part (323-1), may include a set of lines (651) for first slits (511) within each of the first portion (501) and the second portion (502) and a set of lines (653) positioned between the lines of the set (651). The first slits (511) may be arranged along the lines of the set (651), and the third slits (513) may be arranged along the lines of the set (653). For example, each of the first portion (501) and the second portion (502) may include slits (661) between each of the lines of the set (651) and each of the lines of the set (653). For example, the slits (661) may be positioned between the sets (651) and (653). For example, the slits (661) may have a width (662). For example, the width (662) may be equal to the widths (562) and (564), respectively.
[0135] It is merely an example that the third plate part (323-1) of FIG. 5 and the third plate part (323-2) of FIG. 6 each include only the first slits (511) and the third slits (513) within the first portion (501) and the second portion (502), respectively. The first portion (501) and the second portion (502) each may further include additional slits for a gradual change in stiffness from the first plate part (321) to the third portion (503) and a gradual change in stiffness from the second plate part (322) to the third portion (503). The first portion (501) and the second portion (%02) each including the additional slits are exemplified in the description of FIG. 7.
[0136] Referring to FIG. 7, the third plate (323-3) within the plate (320-3) may further include fifth slits (715) within each of the first portion (501) and the second portion (502), unlike the third plate part (323-1) and the third plate part (323-2).
[0137] Each of the fifth slits (715) may have a third height (735) (e.g., about 1.55 (mm), about 0.675 (mm), or about 0.2375 (mm)). The fifth slits (715) may have a fifth width (745) (e.g., about 0.17 (mm)). Each of the first portion (501) and the second portion (502) may further include fifth bridges (725) positioned between the fifth slits (715) and having the same length. Each of the fifth bridges (725) may have a length (590) (e.g., about 0. 2 (mm)).
[0138] For example, the fifth slits (715) within the first portion (501) may be closer to the first boundary (411) than the first slits (511) within the first portion (501) for a gradual change in stiffness from the first plate part (321) to the third portion (503), and the fifth slits (715) within the second portion (502) may be closer to the second boundary (412) than the first slits (511) within the second portion (502) for a gradual change in stiffness from the second plate part (322) to the third portion (503).
[0139] For example, the fifth height (735) may be shorter than the first height (531). For example, the fifth height (735) may be shorter than the first height (531) to allow for a gradual change in stiffness from the first plate part (321) to the third part (503) and a gradual change in stiffness from the second plate part (322) to the third part (503).
[0140] The fifth bridges (725) may be aligned with the centers (790) of the first slits (511). For example, the fifth bridges (725) may be aligned with the centers (790) of the first slits (511) for uniform distribution of the stress and visibility of the display (310). For example, the fifth bridges (725) may be aligned with the centers (790) for regular arrangement.
[0141] For example, each of the first portion (501) and the second portion (502) may further include sixth slits (716) positioned along the fifth slits (715). Each of the sixth slits (716) may have a sixth height (736) that is the same as the fifth height (735). Each of the sixth slits (716) may have a sixth width (746) that is the same as the first width (541). Each of the first portion (501) and the second portion (502) may further include sixth bridges (726) positioned between the sixth slits (716) and having a length (590).
[0142] For example, the centers (780) of the sixth slits (716) can be aligned with the fifth bridges (725). For example, the fifth bridges (725) can be aligned with the centers (780) for a regular arrangement of the slits (e.g., the first slits (511), the third slits (513), the fifth slits (715), and the sixth slits (716)) within each of the first portion (501) and the second portion (502).
[0143] The shapes of the fifth slits (715) and the sixth slits (716) in FIG. 7 are exemplary only and do not limit the implementations described or claimed in this document. For example, the shapes of the fifth slits (715) and the sixth slits (716) may be rectangular, rounded rectangles, or ovals. In other examples, the fifth slits (715) and the sixth slits (716) may be dumbbell-shaped, bowtie-shaped, hourglass-shaped, or bone-shaped.
[0144] For example, the third plate part (323) may further include additional holes for a gradual change in stiffness from the first plate part (321) to the third part and a gradual change in stiffness from the second plate part (322) to the third part. A third plate part (323) including the additional holes is illustrated in FIG. 8.
[0145] Figure 8 shows an example of a third plate part including slits and holes.
[0146] Referring to FIG. 8, the third plate part (323-4) within the plate (320-4) may include a plurality of slits (800) arranged in a single (or regular) pattern. This pattern may be described as a staggered or offset pattern, for example, where the centers of the slits of one row (or line) are aligned with the centers of the bridges (between the slits) of the next, or adjacent, row. For example, the plurality of slits (800) may be parallel to the axis (490). For example, the plurality of slits (800) may include slits (800-1) positioned within the first portion (501), slits (800-2) positioned within the second portion (502), and slits (800-3) positioned within the third portion (503). As a non-limiting example, the density of slits (800-1) within the first portion (501), the density of slits (800-2) within the second portion (502), and the density of slits (800-3) within the third portion (503) may be equal to each other.
[0147] For example, the third plate part (323-4) may include a plurality of holes. For example, the plurality of holes may be arranged in a single (or regular) pattern. For example, the number of the plurality of holes may be smaller than the number of the plurality of slits (800).
[0148] For example, the plurality of holes may be arranged between slits within the third plate part (323-4). For example, the plurality of holes and some of the plurality of slits (800) may form a lattice structure within a portion of the third plate part (323-4) (e.g., the third portion (503)). For example, the plurality of holes and some of the plurality of slits (800) may form a lattice structure for uniform distribution of the stress and visibility of the display (310). Each hole may be located, for example, within a bridge between two adjacent slits within a specific row or line. Thus, each hole may divide each bridge into two bridge portions (one on each side of the hole in the longitudinal direction).
[0149] As a non-limiting (or non-limiting) example, each of the plurality of holes may be aligned with the centers of two slits within the third plate part (323-4) arranged alongside each of the plurality of holes. For example, each of the plurality of holes may be aligned with the centers of the two slits for uniform distribution of the stress and visibility (and / or appearance) of the display (310).
[0150] The number of holes (810) within the third portion (503) may be greater than the number of holes within the first portion (501) for a gradual change in stiffness from the first plate part (321) to the third portion (503). The number of holes (810) within the third portion (503) may be greater than the number of holes within the second portion (502) for a gradual change in stiffness from the second plate part (322) to the third portion (503). As a non-limiting example, the number of holes within the first portion (501) may be equal to the number of holes within the second portion (502). As a non-limiting example, the plurality of holes may be included only within the third portion (503). For example, the number of holes within the first portion (501) may be 0, and the number of holes within the second portion (502) may be 0.
[0151] The shapes of the plurality of slits (800) in FIG. 8 are merely exemplary and do not limit the implementations described or claimed in this document. For example, the shapes of the plurality of slits (800) may be rectangular, rounded rectangles, or ovals. In other examples, the plurality of slits (800) may be dumbbell-shaped, bowtie-shaped, hourglass-shaped, or bone-shaped.
[0152] For example, the third plate part (323) may include slits, each having a shape for uniformly distributing the stress. For example, the slits may be arranged in a single pattern. For example, the shapes of the slits may be implemented in various ways. The shapes are exemplified in the description of FIG. 9.
[0153] Figures 9 to 11 illustrate examples of the shapes of slits arranged in a single pattern within the third plate part.
[0154] Referring to FIG. 9, the third plate part (323-5) within the plate (320-5) may include a plurality of slits (900) arranged in a single pattern. For example, the plurality of slits (900) may be parallel to the axis (490) (not shown). For example, the plurality of slits (900) may be uniformly positioned within the third plate part (323-5). For example, each of the plurality of slits (900) may be dumbbell-shaped. For example, each of the plurality of slits (900) may include end portions (901) and a connecting portion (902) positioned between and connecting the end portions (901). For example, since the stress applied to each of the end portions of the slits is greater than the stress applied to the connecting portion of the slits connecting the end portions, the thickness (or average thickness) (or width (or average width)) of each of the end portions (901) may be greater than the thickness of the connecting portion (902).
[0155] Referring to FIG. 10, the third plate part (323-6) within the plate (320-6) may include a plurality of slits (1000) arranged in a single pattern. For example, the plurality of slits (1000) may be parallel to the axis (490) (not shown). For example, the plurality of slits (1000) may be uniformly positioned within the third plate part (323-6). For example, each of the plurality of slits (1000) may be dumbbell-shaped. For example, each of the plurality of slits (1000) may include end portions (1001) and a connecting portion (1002) positioned between and connecting the end portions (1001). For example, since the stress applied to each of the end portions of the slit is greater than the stress applied to the connecting portion of the slit connecting the end portions, the thickness (or average thickness) (or width (or average width)) of each of the end portions (1001) may be greater than the thickness of the connecting portion (1002). For example, since the area of each of the end portions (1001) is greater than the area of each of the end portions (901), the thickness of the connecting portion (1002) may be less than the thickness of the connecting portion (902).
[0156] Referring to FIG. 11, a third plate part (323-7) within a plate (320-7) may include a plurality of slits (1100) arranged in a single pattern. For example, the plurality of slits (1100) may be parallel to an axis (490) (not shown). For example, the plurality of slits (1100) may be uniformly positioned within the third plate part (323-7). For example, each of the plurality of slits (1100) may be branch-shaped. For example, each of the plurality of slits (1100) may include a center portion (1102) parallel to the axis (490). For example, each of the plurality of slits (1100) may include branch portions (1101) from the center portion (1102) for flexibility within an unfolded state (450) of the electronic device (200). For example, each of the branch portions (1101) may include end portions that are inclined at an obtuse angle with respect to the center portion (1102) and extend from the center portion (1102).
[0157] For example, the third plate part (323) may include a structure for increasing the rigidity of at least one portion (or location) of the third plate part (323) where stress is concentrated. For example, the third plate part (323) may include slits having a first width within at least one portion and at least one other portion of the third plate part (323) different from the at least one portion, and may include slits having a second width narrower than the first width within the at least one portion, in order to increase the rigidity of the at least one portion. The third plate part (323) including slits having the second width within the at least one portion and slits having the first width within the at least one other portion is exemplified in the descriptions of FIGS. 12 and 13.
[0158] Figure 12 shows an example of the positional relationship between the hinge structure and the third plate part.
[0159] Figure 13 illustrates an example of a third plate part including slits having different widths.
[0160] Referring to FIGS. 12 and 13, the electronic device (200) may include a hinge structure (1200) instead of the hinge structure (250). The hinge structure (1200) may include a first support member (not shown), a first rotation member (1201) rotatably coupled to the first support member and coupled to the first housing part (210), and a second rotation member (1202) rotatably coupled to the first support member and coupled to the second housing part (220), for an unfolded state (400) and a folded state (450) of the electronic device (200). The hinge structure (1200) may further include a second support member (1203) coupled to the first support member and separated from the first rotation member (1201) and the second rotation member (1202). The second support member (1203) may be referred to as a center bar.
[0161] The second support member (1203) can support the third display part (313) that moves to the second support member (1203) according to the change from the unfolded state (400) of the electronic device (200) to the folded state (450) of the electronic device (200). For example, a first angle at which the first rotation member (1201) is rotated with respect to the second support member (1203) to change the unfolded state (400) of the electronic device (200) to the folded state (450) of the electronic device (200) may be different from a second angle at which the first housing part (210) is rotated with respect to the second support member (1203) to change the unfolded state (400) of the electronic device (200) to the folded state (450) of the electronic device (200). For example, the first angle may be greater than the second angle. For example, since the first angle is greater than the second angle, the third display part (313) can be moved in the direction (1290). The second support member (1203) can support the third display part (313) that is moved in the direction (1290).
[0162] For example, the third plate part (323-8) may include a first portion (1221), a second portion (1222), a third portion (1223), and a fourth portion (1224). For example, the first portion (1221) may be arranged with respect to the first gap (1211) between the first rotational member (1201) and the second support member (1203). For example, the second portion (1222) may be arranged with respect to the second gap (1212) between the second rotational member (1202) and the second support member (1203). For example, the third portion (1223) may be positioned between the first boundary (1241) and the first portion (1221). The first boundary (1241) may be positioned between the first plate part (321) and the third plate part (323-8). For example, the fourth portion (1224) may be located between the second boundary (1242) and the second portion (1222). The second boundary (1242) may be located between the second plate part (322) and the third plate part (323-8).
[0163] For example, the widths of the first slits (1281) in the first portion (1221) and the second slits (1282) in the second portion (1222) may be narrower than the widths of the third slits (1283) in the third portion (1223) and the fourth slits (1284) in the fourth portion (1224) for the rigidity of the first portion (1221) and the second portion (1222). For example, the first portion (1221) may be disposed over the first rotational member (1201) along the first gap (1211), and the second portion (1222) may be disposed over the second rotational member (1202) along the second gap (1212). As the electronic device (200) changes from an unfolded state (400) to a folded state (450) of the electronic device (200), a first direction of rotation (e.g., forward rotation) (e.g., first direction (1401)) of a part of the third plate part (323-8) may be different from a second direction of rotation (e.g., reverse rotation) (e.g., second direction (1402)) of another part of the third plate part (323-8). For example, a direction in which the part of the third plate part (323-8) bends when the electronic device (200) is folded may be different from a direction in which the other part of the third plate part (323-8) bends when the electronic device (200) is folded.
[0164] For example, the first portion (1221) and the second portion (1222) may have a stiffness lower than that of the third portion (1223) and the fourth portion (1224) along the second direction, which is different from the first direction. For example, the widths of the first slits (1281) and the second slits (1282) may be narrower than the widths of the third slits (1283) and the fourth slits (1284) to compensate for the stiffness. For example, the width of each of the first slits (1281) and the second slits (1282) may represent the length of each of the first slits (1281) and the second slits (1282) in a direction perpendicular to the folding axis of the foldable electronic device (200), and the width of each of the third slits (1283) and the fourth slits (1284) may represent the length of each of the third slits (1283) and the fourth slits (1284) in a direction perpendicular to the folding axis.
[0165] For example, the width (1291) of the ribs located within the first portion (1221) and the second portion (1222) may be wider than the width (1292) of the ribs located within the third portion (1223) and the fourth portion (1224). However, this is not limited thereto. For example, unlike the illustration in FIG. 13, the width (1291) may be equal to the width (1292).
[0166] For example, the fifth part (1225) may be arranged relative to the second support member (1203). For example, the sixth part (1226) may be positioned between the first part (1221) and the fifth part (1225). For example, the seventh part (1227) may be positioned between the second part (1222) and the fifth part (1225).
[0167] For example, the width of the fifth slits (1285) within the fifth portion (1225) may be narrower than the widths of the sixth slits (1286) within the sixth portion (1226) and the seventh slits (1287) within the seventh portion (1227). For example, the fifth portion (1225) may be brought into contact with the second support member (1203) by the third display part (313) that moves in the direction (1290) according to the folded state (450) of the electronic device (200). For example, the fifth portion (1225) may be arranged along the central axis of the second support member (1203). For example, the width of the fifth slits (1285) may be narrower than the widths of the sixth slits (1286) and the seventh slits (1287) to compensate for the stiffness due to the contact.
[0168] For example, the width (1293) of the ribs positioned within the fifth portion (1225) may be wider than the widths (1294) of the ribs positioned within the sixth portion (1226) and the seventh portion (1227). However, this is not limited thereto. For example, unlike the illustration in FIG. 13, the width (1293) may be equal to the width (1294). As a non-limiting example, the width (1293) may be equal to the width (1291), and the width (1294) may be equal to the width (1292).
[0169] For example, the widths of the first slits (1281), the widths of the second slits (1282), and the widths of the fifth slits (1285) may be the same. For example, the widths of the third slits (1283), the widths of the fourth slits (1284), the widths of the sixth slits (1286), and the widths of the seventh slits (1287) may be the same.
[0170] For example, the heights of the first slits (1281), the second slits (1282), the third slits (1283), the fourth slits (1284), the fifth slits (1285), the sixth slits (1286), and the seventh slits (1287) may be the same. For example, the first slits (1281), the second slits (1282), the third slits (1283), the fourth slits (1284), the fifth slits (1285), the sixth slits (1286), and the seventh slits (1287) may be arranged in a single pattern. For example, the ends of some of the first slits (1281) may be aligned with the centers of other some of the first slits (1281). For example, the end portions of some of the second slits (1282) may be aligned with the center of another portion of the second slits (1282). For example, the end portions of some of the third slits (1283) may be aligned with the center of another portion of the third slits (1283). The end portions of some of the fourth slits (1284) may be aligned with the center of another portion of the fourth slits (1284). For example, the first slits (1281), the second slits (1282), the third slits (1283), the fourth slits (1284), the fifth slits (1285), the sixth slits (1286), and the seventh slits (1287) may have a single pattern for uniform distribution of the stress and visibility of the display (310).
[0171] For example, a first direction of rotation (e.g., forward rotation) of a portion of the third plate part (323) caused by the hinge structure (1200) may be different from a second direction of rotation (e.g., reverse rotation) of another portion of the third plate part (323) caused by the hinge structure (1200). For example, the thickness of the third plate part (323) may be non-uniform to compensate for the second direction being different from the first direction. The non-uniform thickness of the third plate part (323) is exemplified in the description of FIG. 14.
[0172] Figure 14 shows an example of the thickness of the third plate part.
[0173] Referring to FIG. 14, the third plate part (323-9) may include a first portion (1411) having a non-uniform thickness to compensate for rotation in the first direction (1401). For example, the third plate part (323-9) may include a second portion (1412) having a non-uniform thickness to compensate for rotation in the second direction (1402). For example, the first portion (1411) and the second portion (1412) may be formed according to a half etching technique. For example, the third plate part (323-9) may be formed by applying a half etching technique to a plate part having a single thickness.
[0174] The third plate part (323-9) of Fig. 14 can be combined with one of the third plate part (323-1) to the third plate part (323-8).
[0175] As described above, a foldable electronic device may include a display including a first display part, a second display part spaced apart from the first display part, and a third display part extending from the first display part to the second display part and configured to be bent about an axis when the foldable electronic device is folded, and a plate disposed under the display to support the display. The plate may include a first plate part, a second plate part spaced apart from the first plate part, and a third plate part extending from the first plate part to the second plate part and arranged with respect to the third display part. The third plate part may be configured to be at least partially bent when the foldable electronic device is folded. The third plate part may include a first portion positioned along a first boundary between the first plate part and the third plate part, a second portion positioned along a second boundary between the second plate part and the third plate part, and a third portion between the first portion and the second portion. Each of the first portion and the second portion may include first slits having a first length and first bridges positioned between the first slits, the first slits having a longitudinal direction parallel to the folding axis and a first length. The third portion may include second slits having a second length, the second length being longer than the first length, and second bridges positioned between the second slits. The first bridges may be aligned with centers of the second slits in a direction perpendicular to the folding axis.
[0176] For example, the first bridges may have the same length as each other, and the second bridges may have the same length as each other. Each of the first portion and the second portion may further include third slits positioned along the first slits and having the first length, and third bridges positioned between the third slits and having the same length as each other. For example, the third portion may further include fourth slits positioned along the second slits and having the second length, and fourth bridges positioned between the fourth slits and having the same length as each other. For example, the centers of the third slits may be aligned with the first bridges in a direction perpendicular to the folding axis. For example, the centers of the fourth slits may be aligned with the second bridges in a direction perpendicular to the folding axis.
[0177] For example, each of the first portion and the second portion may include a first set of lines parallel to the folding axis and a second set of lines parallel to the folding axis and positioned between the lines of the first set. For example, the third portion may include a third set of lines parallel to the folding axis and a fourth set of lines parallel to the folding axis and positioned between the lines of the third set. For example, the first slits may be positioned along the lines of the first set. For example, the second slits may be positioned along the lines of the third set. For example, the third slits may be positioned along the lines of the second set. For example, the fourth slits may be positioned along the lines of the fourth set.
[0178] For example, each of the first portion and the second portion may include ribs positioned between the first set and the second set. For example, the third portion may include ribs positioned between the third set and the fourth set.
[0179] For example, the width of the flesh within each of the first portion and the second portion may be the same as the width of the flesh within the third portion.
[0180] For example, the first bridges, the second bridges, the third bridges, and the fourth bridges may have the same length.
[0181] For example, the first bridges may be aligned at the centers of the fourth slits in a direction perpendicular to the folding axis.
[0182] For example, one of the ends of each of the first slits may be aligned with an end of each of the second slits in a direction perpendicular to the folding axis.
[0183] For example, the shapes of the first slits and the second slits may be rectangular. For example, the shapes of the first slits and the second slits may be rounded rectangles. For example, the shapes of the first slits and the second slits may be obround.
[0184] For example, each of the first portion and the second portion may further include third slits having a third length that is shorter than the first length and having a longitudinal direction parallel to the folding axis, and third bridges positioned between the third slits and having the same length. For example, the third slits may be closer to the first boundary and the second boundary than the first slits. For example, the third bridges may be aligned with the centers of the first slits in a direction perpendicular to the folding axis.
[0185] For example, the second length is, can be determined by. Here, H2 represents the second length, H1 represents the first length, and L represents the length of each of the first bridges.
[0186] As described above, a foldable electronic device may include a housing including a first housing part and a second housing part, and a hinge structure including a first support member, a first rotation member rotatably coupled to the first support member and coupled to the first housing part, and a second rotation member rotatably coupled to the first support member and coupled to the second housing part, for unfolded and folded states of the foldable electronic device. The hinge structure may further include a second support member coupled to the first support member and separated from the first rotation member and the second rotation member. The display may form at least a portion of a front of the housing. The display may include a first display part, a second display part spaced apart from the first display part, and a third display part extending from the first display part to the second display part and configured to bend between the first display part and the second display part within the folded state provided by the hinge structure. The foldable electronic device may include a plate disposed under the display to support the display, the plate including a surface facing the first rotation member, the second rotation member, and the second support member. The plate may include a first plate part, a second plate part spaced apart from the first plate part, and a third plate part extending from the first plate part to the second plate part and arranged with respect to the third display part. The third plate part may be configured to bend within the folded state. The second support member may be configured to support the third display part moving toward the second support member as it changes from the unfolded state to the folded state.The third plate part may include a first portion arranged with respect to a first gap between the first rotation member and the second support member, a second portion arranged with respect to a second gap between the second rotation member and the second support member, a third portion positioned between a first boundary between the first plate part and the third plate part and the first portion, and a fourth portion positioned between a second boundary between the second plate part and the third plate part and the second portion. A width of the first slits in the first portion and a width of the second slits in the second portion may be narrower than a width of the third slits in the third portion and a width of the fourth slits in the fourth portion. The width of each of the first slits and the second slits may represent a length of each of the first slits and the second slits in a direction perpendicular to a folding axis of the foldable electronic device. The width of each of the third slits and the fourth slits may represent the length of each of the third slits and the fourth slits in a direction perpendicular to the folding axis of the foldable electronic device.
[0187] For example, the third plate part may further include a fifth portion arranged relative to the second support member, a sixth portion between the fifth portion and the first portion, and a seventh portion between the fifth portion and the second portion. For example, the width of the fifth slits within the fifth portion may be narrower than the widths of the sixth slits within the sixth portion and the seventh slits within the seventh portion.
[0188] For example, the widths of the first slits, the widths of the second slits, and the widths of the fifth slits may be the same, and the widths of the third slits, the widths of the fourth slits, the widths of the sixth slits, and the widths of the seventh slits may be the same.
[0189] For example, the fifth part may be arranged along the central axis of the second support member.
[0190] For example, the first portion may be disposed on the first rotating member along the first gap, and the second portion may be disposed on the second rotating member along the second gap.
[0191] For example, the heights of the first slits, the heights of the second slits, the heights of the third slits, and the heights of the fourth slits may be equal to each other.
[0192] For example, the end portions of some of the first slits may be aligned with the center of another portion of the first slits. For example, the end portions of some of the second slits may be aligned with the center of another portion of the second slits. For example, the end portions of some of the third slits may be aligned with the center of another portion of the third slits. For example, the end portions of some of the fourth slits may be aligned with the center of another portion of the fourth slits.
[0193] 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.
[0194] 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 (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.
[0195] 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).
[0196] 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 (e.g., a processor (120)) 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.
[0197] According to one embodiment, the method according to various embodiments disclosed in this document may be provided as included in a computer program product. The computer program product may be traded as a commodity 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.
[0198] According to various embodiments, 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 arranged in other components. According to various embodiments, 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 such a 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 various embodiments, the 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 a foldable electronic device, A display comprising a first display part, a second display part spaced apart from the first display part, and a third display part extending from the first display part to the second display part and configured to be bent when the foldable electronic device is folded based on a folding axis; and A plate is disposed under the display to support the display, the plate comprising: A first plate part, a second plate part spaced apart from the first plate part, and a third plate part extending from the first plate part to the second plate part and arranged with respect to the third display part, The above third plate part, wherein the foldable electronic device is configured to be at least partially bent when folded; A first portion positioned along a first boundary between the first plate part and the third plate part, a second portion positioned along a second boundary between the second plate part and the third plate part, and a third portion between the first portion and the second portion, Each of the first portion and the second portion includes first slits having a length direction parallel to the folding axis and a first length, and first bridges positioned between the first slits, The third part includes second slits having a length direction parallel to the folding axis and having a second length longer than the first length, and second bridges positioned between the second slits, The above first bridges are aligned with the centers of the second slits in a direction perpendicular to the folding axis. Foldable electronic devices.
2. In claim 1, the first bridges have the same length, The above second bridges have the same length as each other, Foldable electronic devices.
3. In claim 2, each of the first part and the second part, Further comprising third slits positioned along the first slits and having the first length, and third bridges positioned between the third slits and each having the same length, The third part of the above, Further comprising fourth slits positioned along the second slits and having the second length, and fourth bridges positioned between the fourth slits and each having the same length, The centers of the above third slits are, aligned with the first bridges in a direction perpendicular to the folding axis; The centers of the above fourth slits are, aligned with the second bridges in a direction perpendicular to the folding axis; Foldable electronic devices.
4. In claim 3, each of the first part and the second part, comprising a first set of lines parallel to the folding axis and a second set of lines parallel to the folding axis and positioned between the lines of the first set; The third part of the above, a third set of lines parallel to the folding axis and a fourth set of lines parallel to the folding axis and positioned between the lines of the third set; The above first slits are, arranged along the above lines of the first set, The above second slits are, Arranged along the above lines of the third set, The above third slits are, arranged along the above lines of the second set, The above fourth slits are, Arranged along the above lines of the fourth set, Foldable electronic devices.
5. In claim 4, each of the first part and the second part, comprising ribs positioned between the first set and the second set; The third part of the above, Including the flesh positioned between the third set and the fourth set, Foldable electronic devices.
6. In claim 5, the width of the flesh within each of the first portion and the second portion is Same as the width of the above flesh within the above third part, Foldable electronic devices.
7. In claim 3, the first bridges, the second bridges, the third bridges, and the fourth bridges, having the same length, Foldable electronic devices.
8. In claim 3, the first bridges, aligned at the center of the fourth slits in a direction parallel to the folding axis; Foldable electronic devices.
9. In claim 1, one of the end portions of each of the first slits is, aligned at each end of the second slits in a direction parallel to the folding axis; Foldable electronic devices.
10. In claim 1, the shapes of the first slits and the second slits are: Rectangular, Foldable electronic devices.
11. In claim 1, the shapes of the first slits and the second slits are: A rounded rectangle, Foldable electronic devices.
12. In claim 1, the shapes of the first slits and the second slits are: Obround, Foldable electronic devices.
13. In claim 1, each of the first part and the second part, Further comprising third slits having a third length shorter than the first length and having a length direction parallel to the folding axis, and third bridges positioned between the third slits and having the same length as each other, The above third slits are, Adjacent to the first boundary and the second boundary, more than the first slits, The above third bridges, aligned at the center of the first slits in a direction parallel to the folding axis; Foldable electronic devices.
14. In claim 1, the second length is: Determined by the mathematical formula below, Foldable electronic devices: , H2 represents the second length, H1 represents the first length, and L represents the length of each of the first bridges.
15. In claim 1, a first support plate attached to at least a portion of the first plate part under the first plate part to support the plate; and Further comprising a second support plate attached to at least a portion of the second plate part under the second plate part to support the plate. Foldable electronic devices.
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