Electronic device including magnet assembly

Abstract

According to one embodiment of the present invention, an electronic device comprises: a first housing; a second housing rotatably connected to the first housing with respect to the folding shaft; a display disposed on a front surface of the electronic device, and a partial region of the display being deformed by rotation of the second housing relative to the first housing; a first magnet disposed in the first housing; the second magnet is arranged in the second shell and does not correspond to the first magnet when the electronic device is folded, and attractive force acts between the first magnet and the second magnet. The first magnet includes a first boundary surface dividing different poles and inclined at a first angle with respect to the folding axis, and the second magnet includes a second boundary surface dividing different poles and inclined at a second angle with respect to the folding axis, the first boundary surface and the second boundary surface may face each other.

Description

Technical Field

[0001] Various embodiments disclosed herein relate to an electronic device including a magnet assembly. Background Art

[0002] As more information is displayed in visual form and electronic devices support more functions, more and more users want larger screen displays. New electronic devices are also being developed to provide large screen displays while maintaining a portable size.

[0003] With the development of display technology, the realization of foldable displays has become possible, and electronic devices using such displays that can display information in a variable area by folding have been released one after another. Summary of the Invention

[0004] Technical issues A foldable electronic device may include two housings that are coupled to each other via a hinge device to enable a folding or unfolding operation. The foldable electronic device may have a magnet that is arranged to maintain the state of the foldable electronic device when the foldable electronic device is in a fully folded state. The magnets arranged in each housing are arranged so that when the electronic device is in a folded state, different poles of the magnets face each other, so that an attractive force can act between the magnets. Therefore, the foldable electronic device can maintain its folded state by the magnets. When the magnets arranged in each housing are arranged to correspond to each other more accurately, the attractive force between the magnets can be increased.

[0005] Furthermore, because various electronic components are placed inside the electronic device, the size of the magnets that can be placed inside the device may be limited. Furthermore, due to the various electronic components placed inside the electronic device, when the electronic device is in the folded state, the magnets placed in each housing may not face each other, or may only partially face each other. Consequently, the strength of the attractive force between the magnets is reduced, allowing the electronic device to be unfolded from the folded state regardless of the user's intention.

[0006] According to an embodiment of the present disclosure, even when magnets arranged in respective housings do not correspond to each other when the electronic device is folded, the strength of the attractive force between the magnets can be increased.

[0007] Technical Solution According to an embodiment of the present disclosure, an electronic device may include: a first shell; a second shell connected to the first shell so as to be rotatable around a folding axis; a display disposed on the front surface of the electronic device, and a partial area of ​​the display is deformed by the rotation of the second shell relative to the first shell; a first magnet arranged in the first shell; and a second magnet arranged in the second shell, which does not correspond to the first magnet when the electronic device is in a folded state, and the second magnet is configured to exert an attractive force on the first magnet, wherein the first magnet may include a first boundary surface that separates different poles and is inclined at a first angle relative to the folding axis, wherein the second magnet may include a second boundary surface that separates different poles and is inclined at a second angle relative to the folding axis, and wherein the first boundary surface and the second boundary surface face each other.

[0008] According to an embodiment of the present disclosure, a magnet assembly arranged in an electronic device is provided, in which a first shell and a second shell are connected to each other so as to be rotatable around a folding axis, and the magnet assembly may include: a first magnet arranged in the first shell; and a second magnet arranged in the second shell, when the electronic device is in a folded state, the second magnet does not correspond to the first magnet and generates an attractive force with the first magnet, wherein the first magnet may include a first boundary surface that separates different poles and is inclined at a first angle relative to the folding axis, wherein the second magnet may include a second boundary surface that separates different poles and is inclined at a second angle relative to the folding axis, and wherein the first boundary surface and the second boundary surface face each other.

[0009] Beneficial effects According to an embodiment of the present disclosure, when magnets arranged in respective housings are spaced apart from each other when the electronic device is in a folded state, the strength of the attractive force between the magnets can be ensured at a predetermined level.

[0010] For example, when magnets placed in respective housings are arranged to partially correspond to each other, boundary surfaces dividing the N pole and S pole of each magnet are formed to face each other, so that the strength of the attractive force between the magnets can be increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In conjunction with the description of the drawings, the same or similar components may be denoted by the same or similar reference numerals.

[0012] Figure 1a is a front perspective view illustrating an electronic device in an unfolded or flat state according to various embodiments.

[0013] Figure 1b is a plan view illustrating a front surface of a foldable electronic device in an unfolded state according to various embodiments of the present disclosure.

[0014] Figure 1c is a plan view illustrating a rear surface of a foldable electronic device in an unfolded state according to various embodiments of the present disclosure.

[0015] Figure 2a is a perspective view illustrating an electronic device in a folded state according to various embodiments of the present disclosure.

[0016] Figure 2b is a perspective view illustrating an electronic device in an intermediate state according to various embodiments of the present disclosure.

[0017] Figure 3a 1 and 2 are views showing a state in which magnets are respectively arranged in a first housing and a second housing when the front surface of the electronic device according to the embodiment of the present disclosure is viewed in an unfolded state.

[0018] Figure 3b 1 and 2 are views illustrating a state in which magnets are respectively arranged in a first housing and a second housing when the rear surface of the electronic device according to the embodiment of the present disclosure is viewed in an unfolded state.

[0019] Figure 3c is a view illustrating a state in which a first magnet arranged in a first housing and a second magnet arranged in a second housing do not match when the electronic device according to an embodiment of the present disclosure is folded.

[0020] Figure 4a : is a view illustrating a state in which a first magnet arranged in a first housing and a second magnet arranged in a second housing are arranged not to correspond to each other with respect to a folding axis according to an embodiment of the present disclosure.

[0021] Figure 4b It shows Figure 4a FIG. 5 is a diagram showing a view showing that the attractive force between the first magnet and the second magnet depends on the angle at which the first boundary surface of the first magnet and the second boundary surface of the second magnet are tilted relative to the folding axis.

[0022] Figure 4c is a view illustrating an embodiment in which a first boundary surface of a first magnet is parallel to a folding axis according to an embodiment of the present disclosure.

[0023] Figure 4d It shows that the attraction between the first magnet and the second magnet depends on Figure 4b A view of the angles of the first boundary surface and the second boundary surface relative to the folding axis.

[0024] Figure 5a : is a view illustrating a state in which the first magnet and the third magnet arranged in the first housing are arranged not to correspond to the second magnet arranged in the second housing with respect to the folding axis according to the embodiment of the present disclosure.

[0025] Figure 5b 、 Figure 5c and Figure 5d It shows that when Figure 5a The view of the arrangement of the first to third magnets as shown, in which the attractive forces between the first magnet, the third magnet and the second magnet depend on the first angle at which the first boundary surface of the first magnet is inclined relative to the folding axis, the second angle at which the second boundary surface of the second magnet is inclined relative to the folding axis, and the third angle at which the third boundary surface of the third magnet is inclined relative to the folding axis, respectively.

[0026] Figure 6a : is a view illustrating a state in which the first magnet and the third magnet arranged in the first housing are arranged not to correspond to the second magnet and the fourth magnet arranged in the second housing with respect to the folding axis according to the embodiment of the present disclosure.

[0027] Figure 6b 、 Figure 6c 、 Figure 6d and Figure 6e It shows that when Figure 6a The view of the arrangement of the first to fourth magnets as shown, in which the attractive forces between the first and third magnets and the second and fourth magnets depend on a first angle at which the first boundary surface of the first magnet is tilted relative to the folding axis, a second angle at which the second boundary surface of the second magnet is tilted relative to the folding axis, a third angle at which the third boundary surface of the third magnet is tilted relative to the folding axis, and a fourth angle at which the fourth boundary surface of the fourth magnet is tilted relative to the folding axis.

[0028] Figure 7a is a view illustrating an arrangement relationship between a first magnet and a second magnet according to an embodiment of the present disclosure. Figure 7b yes Figure 7a Front view of. Figure 7c yes Figure 7a Right side view.

[0029] Figure 8 is a view illustrating an arrangement relationship between a first magnet and a second magnet according to an embodiment of the present disclosure.

[0030] Figure 9a and Figure 9b : is a view showing a state in which first and second magnets are arranged in a Halbach array according to an embodiment of the present disclosure. DETAILED DESCRIPTION

[0031] It should be understood that the various embodiments of the present disclosure and the terms used therein are not intended to limit the technical features set forth herein to specific embodiments, but rather include various changes, equivalents, or replacements for the corresponding embodiments.

[0032] With respect to the description of the drawings, like reference numerals may be used to refer to like or related elements. It should be understood that nouns in the singular form corresponding to items may include one or more items unless the relevant context clearly indicates otherwise.

[0033] As used herein, each of phrases such as “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” may include any or all possible combinations of the items listed with the corresponding one of the phrases. As used herein, terms such as “first” and “second” or “first” and “second” may be used to simply distinguish a corresponding component from another component and do not limit the components in other respects (e.g., importance or order). It will be understood that if an element (e.g., a first element) is referred to as being “coupled with”, “coupled to”, “connected to”, or “connected to” another element (e.g., the second element), whether the term “operably” or “communicatively” is used or not, it means that the element may be directly (e.g., wired) connected to the other element, wirelessly connected to the other element, or connected to the other element via a third element.

[0034] Figure 1a is a front perspective view illustrating an electronic device in an unfolded or flat state according to various embodiments of the present disclosure. Figure 1b is a plan view illustrating a front surface of a foldable electronic device in an unfolded state according to various embodiments of the present disclosure. Figure 1c is a plan view illustrating a rear surface of a foldable electronic device in an unfolded state according to various embodiments of the present disclosure.

[0035] Figure 2a is a perspective view illustrating an electronic device in a folded state according to various embodiments of the present disclosure. Figure 2b is a perspective view illustrating an electronic device in an intermediate state according to various embodiments of the present disclosure.

[0036] Reference Figures 1a to 2b , the electronic device 100 may include a hinge device (eg, Figure 1b The hinge device HA in the embodiment can be used to foldably connect the first shell 110 and the second shell 120 to each other (for example, a foldable shell structure). In an embodiment, the hinge device (for example, Figure 1bIn an embodiment, the electronic device 100 may include a first display 130 (e.g., a flexible display, a foldable display, or a main display) disposed in an area (e.g., a recess) defined by the first housing 110 and the second housing 120. In an embodiment, the first housing 110 and the second housing 120 may be disposed on opposite sides of a folding axis F and may have shapes that are substantially symmetrical to each other relative to the folding axis F. In an embodiment, the angle or distance between the first housing 110 and the second housing 120 may vary depending on the state of the electronic device 100. For example, the angle or distance between the first housing 110 and the second housing 120 may depend on whether the electronic device is in a flat or unfolded state, a folded state, or an intermediate state.

[0037] In an embodiment, when the electronic device 100 is in the unfolded state, the first housing 110 may include a first surface 111 facing a first direction (e.g., a forward direction) (z-axis direction) and a second surface 112 facing a second direction (e.g., a rearward direction) (-z-axis direction) opposite to the first surface 111. In an embodiment, when the electronic device 100 is in the unfolded state, the second housing 120 may include a third surface 121 facing the first direction (z-axis direction) and a fourth surface 122 facing the second direction (-z-axis direction). In an embodiment, when the electronic device 100 is in the unfolded state, the first surface 111 of the first housing 110 and the third surface 121 of the second housing 120 may face substantially the same first direction (z-axis direction). In an embodiment, when the electronic device 100 is in the folded state, the first surface 111 of the first housing 110 and the third surface 121 of the second housing 120 may face each other. In an embodiment, when the electronic device 100 is in the unfolded state, the second surface 112 of the first housing 110 and the fourth surface 122 of the second housing 120 may face substantially the same second direction (the -z-axis direction). In an embodiment, when the electronic device 100 is in the folded state, the second surface 112 of the first housing 110 and the fourth surface 122 of the second housing 120 may face opposite directions. For example, when the electronic device 100 is in the folded state, the second surface 112 may face the first direction (the z-axis direction), and the fourth surface 122 may face the second direction (the -z-axis direction). In this case, the first display 130 may not be visible from the outside (an inner folding type). In an embodiment, the electronic device 100 may be folded so that the second surface 112 of the first housing 110 and the fourth surface 122 of the second housing 120 face each other. In this case, the first display 130 may be arranged to be visible from the outside (an outer folding type).

[0038] According to various embodiments, the first housing 110 (e.g., a first housing structure) may include a first side surface member 113 that defines at least a portion of the exterior of the electronic device 100, and a first rear surface cover 114 that is coupled to the first side surface member 113 and defines at least a portion of the second surface 112 of the electronic device 100. In an embodiment, the first side surface member 113 may include a first side surface 113a, a second side surface 113b extending from one end of the first side surface 113a, and a third side surface 113c extending from the other end of the first side surface 113a. In an embodiment, the first side surface member 113 may have a rectangular (e.g., square or oblong) shape configured with the first side surface 113a, the second side surface 113b, and the third side surface 113c.

[0039] According to an embodiment, the second housing 120 (e.g., a second housing structure) may include a second side surface member 123 that defines at least a portion of the exterior of the electronic device 100, and a second rear surface cover 124 that is coupled to the second side surface member 123 and defines at least a portion of the fourth surface 122 of the electronic device 100. In an embodiment, the second side surface member 123 may include a fourth side surface 123a, a fifth side surface 123b extending from one end of the fourth side surface 123a, and a sixth side surface 123c extending from the other end of the fourth side surface 123a. In an embodiment, the second side surface member 123 may have a rectangular shape configured with the fourth side surface 123a, the fifth side surface 123b, and the sixth side surface 123c.

[0040] According to an embodiment, the first housing structure 110 and the second housing structure 120 are not limited to the shapes and assembly methods shown, but may be implemented by other shapes or other combinations of components and / or assembly methods. In an embodiment, the first side surface member 113 and the first rear surface cover 114 may be integrally constructed, and the second side surface member 123 and the second rear surface cover 124 may be integrally constructed.

[0041] According to an embodiment, when the electronic device 100 is in the unfolded state, the second side surface 113b of the first side surface member 113 and the fifth side surface 123b of the second side surface member 123 may be connected to each other without a gap. In an embodiment, when the electronic device 100 is in the unfolded state, the third side surface 113c of the first side surface member 113 and the sixth side surface 123c of the second side surface member 123 may be connected to each other without a gap. According to an embodiment, the electronic device 100 may be configured such that, in the unfolded state, the sum of the lengths of the second side surface 113b and the fifth side surface 123b is greater than the length of the first side surface 113a and / or the fourth side surface 123a. In an embodiment, the electronic device 100 may be configured such that, in the unfolded state, the sum of the lengths of the third side surface 113c and the sixth side surface 123c is greater than the length of the first side surface 113a and / or the fourth side surface 123a.

[0042] Reference Figure 2a and Figure 2b The first side surface member 113 and / or the second side surface member 123 may be made of metal, or may further include a polymer injected into the metal. In an embodiment, the first side surface member 113 and / or the second side surface member 123 may include at least one conductive portion 116 and / or 126 electrically separated from each other by at least one separation portion 1161, 1162 and / or 1261, 1262 made of a polymer. In this case, the at least one conductive portion 116 and / or 126 can be electrically connected to a wireless communication circuit included in the electronic device 100 and function as at least a portion of an antenna operating in at least one predetermined frequency band (e.g., a conventional frequency band).

[0043] According to an embodiment, the first and second rear surface covers 114 and 124 may be made of at least one of, for example, coated or tinted glass, ceramic, polymer, or metal (eg, aluminum, stainless steel (STS), or magnesium), or a combination of at least two of these materials.

[0044] According to an embodiment, the first display 130 may be arranged across a hinge device (eg, Figure 1b The hinge device HA in the first housing 110 extends from the first surface 111 of the first housing 110 to at least a portion of the third surface 121 of the second housing 120. In an embodiment, the first display 130 may include a first area 130a substantially corresponding to the first surface 111, a second area 130b corresponding to the second surface 112, and a third area 130c (e.g., a bendable area or a folding area) interconnecting the first area 130a and the second area 130b. In an embodiment, the third area 130c is a portion of the first area 130a and / or the second area 130b and is located in contact with the hinge device (e.g., Figure 1bIn an embodiment, the electronic device 100 may include a support hinge device (eg, Figure 1b The hinge housing 141 (e.g., hinge cover) of the hinge assembly HA in the electronic device 100 may be provided. In an embodiment, the hinge housing 141 may be provided so that when the electronic device 100 is in the folded state, the hinge housing 141 is exposed to the outside, and when the electronic device 100 is in the unfolded state, the hinge housing 141 is introduced into the interior space of the first housing 110 and the interior space of the second housing 120 so as not to be visible from the outside.

[0045] According to an embodiment, the electronic device 100 may include a second display 131 (e.g., a sub-display) provided separately from the first display 130. In an embodiment, the second display 131 may be arranged to be at least partially exposed on the second surface 112 of the first housing 110. In an embodiment, when the electronic device 100 is in the folded state, the second display 131 may at least partially replace the display function of the first display 130 and display at least a portion of the status information of the electronic device 100. In an embodiment, the second display 131 may be arranged to be externally visible through at least a portion of the first rear surface cover 114. In an embodiment, the second display 131 may be provided on the fourth surface 122 of the second housing 120. In this case, the second display 131 may be externally visible through at least a portion of the second rear surface cover 124.

[0046] According to an embodiment, the electronic device 100 may include at least one of an input device 103 (e.g., a microphone), sound output devices 101 and 102, a sensor module 104, camera devices 105 and 108, a key input device 106, or a connector port 107. In the illustrated embodiment, the input device 103 (e.g., a microphone), the sound output devices 101 and 102, the sensor modules 104, the camera devices 105 and 108, the key input device 106, or the connector port 107 is illustrated as a hole or a circular element provided in the first housing 110 or the second housing 120, but this is an exemplary illustration for explanation and is not limited thereto.

[0047] According to an embodiment, the input device 103 may include at least one microphone 103 disposed in the second housing 120. In an embodiment, the input device 103 may include multiple microphones 103 arranged to detect the direction of sound. In an embodiment, the multiple microphones 103 may be disposed at appropriate locations in the first housing 110 and / or the second housing 120. In an embodiment, the sound output devices 101 and 102 may include one or more speakers 101 and 102. In an embodiment, the one or more speakers 101 and 102 may include a phone call receiver 101 disposed in the first housing 110 and a speaker 102 disposed in the second housing 120. In an embodiment, the input device 103, the sound output devices 101 and 102, and the connector port 107 may be disposed in the space provided by the first housing 110 of the electronic device 100 and / or the space provided by the second housing 120 of the electronic device 100, and may be exposed to the external environment through one or more holes provided in the first housing 110 and / or the second housing 120. In embodiments, at least one connector port 107 may be used to transmit power and / or data to / from an external electronic device. In embodiments, at least one connector port (e.g., a headphone jack) may accommodate a connector (e.g., a headphone plug) for transmitting / receiving audio signals to / from an external electronic device. In embodiments, apertures provided in the first housing 110 and / or the second housing 120 may be commonly used for the input device 103 and the sound output devices 101 and 102. In embodiments, the sound output devices 101 and 102 may include speakers (e.g., piezoelectric speakers) that are not exposed through the apertures provided in the first housing 110 and / or the second housing 120.

[0048] Depending on the embodiment, the sensor module 104 may generate an electrical signal or data value corresponding to the internal operating state or external environmental state of the electronic device 100. In one embodiment, the sensor module 104 may detect the external environment via the first surface 111 of the first housing 110. In one embodiment, the electronic device 100 may further include at least one sensor module configured to detect the external environment via the second surface 112 of the first housing 110. In one embodiment, the sensor module 104 (e.g., an illumination sensor) may be disposed below the flexible display 130 to detect the external environment via the flexible display 130. In one embodiment, the sensor module 104 may include at least one of a gesture sensor, a gyroscope sensor, an atmospheric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an infrared (IR) sensor, a biometric sensor, a temperature sensor, a humidity sensor, an illumination sensor, a proximity sensor, a biometric sensor, an ultrasonic sensor, or an illuminance sensor.

[0049] Depending on the embodiment, the camera devices 105 and 108 may include a first camera device 105 (e.g., a front-facing camera device) disposed on the first surface 111 of the first housing 110 and a second camera device 108 disposed on the second surface 112 of the first housing 110. In embodiments, the electronic device 100 may further include a flash 109 disposed adjacent to the second camera device 108. In embodiments, the camera devices 105 and 108 may include at least one lens, an image sensor, and / or an image signal processor. In embodiments, the camera devices 105 and 108 may be arranged such that two or more lenses (e.g., a wide-angle lens, an ultra-wide-angle lens, or a telephoto lens) and two or more image sensors may be located on one surface of the electronic device 100 (e.g., the first surface 111, the second surface 112, the third surface 121, or the fourth surface 122). In embodiments, the camera devices 105 and 108 may each include a time-of-flight (TOF) lens and / or an image sensor.

[0050] According to an embodiment, the key input device 106 (e.g., a key button) may be arranged on the third side surface 113c of the first side surface member 113 of the first housing 110. In an embodiment, the key input device 106 may be provided on at least one of the other side surfaces 113a and 113b of the first housing 110 and / or the side surfaces 123a, 123b, and 123c of the second housing 120. In an embodiment, the electronic device 100 may not include some or all of the key input devices 106, and the key input device 106 not included in the electronic device 100 may be implemented in another form (such as a soft key on the first display 130). In an embodiment, the key input device 106 may be implemented by using a pressure sensor included in the first display 130.

[0051] According to an embodiment, some of the camera devices 105 and 108 (e.g., the first camera device 105) or the sensor module 104 may be arranged to be exposed through the first display 130. In an embodiment, the first camera device 105 or the sensor module 104 may be optically exposed to the outside from the internal space of the electronic device 100 through an opening (e.g., a through-hole) at least partially provided in the first display 130. In an embodiment, at least some of the sensor module 104 may be arranged in the internal space of the electronic device 100 without being visually exposed through the first display 130. Figure 2b , the electronic device 100 is operable to connect the electronic device 100 to the user through a hinge device (eg, Figure 1bIn this case, the electronic device 100 can control the first display 130 so that the display area corresponding to the first surface 111 and the display area corresponding to the third surface 121 respectively display different contents. In an embodiment, with reference to a predetermined folding angle (for example, the angle between the first shell 110 and the second shell 120 when the electronic device 100 is in the intermediate state), the electronic device 100 can be operated to fold the electronic device 100 via the hinge device (for example, Figure 1b hinge module HA) to the basic unfolded state (e.g. Figure 1a ) and / or basic collapsed states (e.g. Figure 2a In an embodiment, the hinge is arranged in a folded state via a hinge device (e.g., Figure 1b In a state where the hinge device HA in the electronic device is unfolded to a predetermined folding angle, when pressure applied in the unfolding direction (direction A) is provided, the electronic device 100 can be operated to transition to the unfolded state (for example, Figure 1a In an embodiment, the hinge is connected to the mobile terminal via a hinge device (e.g., Figure 1b In a state where the hinge device HA in the electronic device is unfolded to a predetermined folding angle, when pressure applied in a folding direction (direction B) is provided, the electronic device 100 can be operated to transition to a folded state (eg, Figure 2a In an embodiment, the electronic device 100 may be operated to be hinged via a hinge device (eg, Figure 1b The hinge device HA) in the embodiment maintains the unfolded state (not shown) at various folding angles (free stop function).

[0052] Figure 3a 1 and 2 are views showing a state in which magnets are respectively arranged in a first housing and a second housing when the front surface of the electronic device according to the embodiment of the present disclosure is viewed in an unfolded state. Figure 3b 1 and 2 are views illustrating a state in which magnets are respectively arranged in a first housing and a second housing when the rear surface of the electronic device according to the embodiment of the present disclosure is viewed in an unfolded state. Figure 3c is a view illustrating a state in which a first magnet arranged in a first housing and a second magnet arranged in a second housing do not match when the electronic device according to an embodiment of the present disclosure is folded.

[0053] According to the embodiment, Figure 3a 、 Figure 3b and Figure 3cAs shown, a plurality of magnets may be arranged in the first housing 110 and the second housing 120. In an embodiment, the electronic device 100 may include a first magnet assembly arranged in the first housing 110 and a second magnet assembly arranged in the second housing 120. In an embodiment, the first magnet assembly may be a general term for the magnets arranged in the first housing 110. For example, the first magnet assembly may include Figure 3a The first magnet 210 shown in Figure 6a The third magnet 230 and Figure 9a The second magnet assembly may be a general term for the magnets arranged in the second housing 120. For example, the second magnet assembly may include Figure 3a The second magnet 220 shown in Figure 6a The fourth magnet 240 shown in FIG. Figure 9a The second magnet 320 (eg, a Halbach magnet) shown in FIG. Figure 3a and Figure 3b The first magnet 210 and the second magnet 220 shown in FIG. 1 are used to describe the attractive force between the first magnet assembly and the second magnet assembly when the electronic device 100 is folded.

[0054] In an embodiment, when the electronic device 100 switches from the unfolded state to the folded state, the first magnet 210 and the second magnet 220 may exert an attractive force. The electronic device 100 may be maintained in the folded state by the attractive force between the first magnet 210 disposed in the first housing 110 and the second magnet 220 disposed in the second housing 120. In an embodiment, when the electronic device 100 is folded, the strength of the attractive force between the first magnet 210 and the second magnet 220 may be greater than the strength of the repulsive force generated by the folded display 130.

[0055] In the embodiment, reference will be made to the Figure 6a , the electronic device 100 may include a first magnet 210 and a third magnet 230 arranged in the first housing 110 and a second magnet 220 and a fourth magnet 240 arranged in the second housing 120. In an embodiment, the first magnet 210 and the third magnet 230 may be placed adjacent to each other, and the second magnet 220 and the fourth magnet 240 may be placed adjacent to each other. However, the above description may not limit the number of magnets included in the first housing 110 and the second housing 120. In the electronic device 100, one of the first magnet 210, the second magnet 220, the third magnet 230, and the fourth magnet 240 may be omitted, or additional magnets may be further included.

[0056] In an embodiment, at least one of the plurality of first magnets 210 may be arranged at an edge of the first housing 110 so as to be adjacent to the first side surface member 113 provided on the first housing 110. For example, at least one of the plurality of first magnets 210 may be located at a side surface edge of the first housing 110. At least one of the plurality of second magnets 220 may be arranged at an edge of the second housing 120 so as to be adjacent to the second side surface member 123 provided on the second housing 120. For example, at least one of the plurality of second magnets 220 may be located at a side surface edge of the second housing 120. The torque required to maintain the electronic device 100 in the folded state may be the same at any point of the electronic device 100. For example, the torque required to maintain the electronic device 100 in the folded state may be the same at an edge of the electronic device 100 and at the center of the electronic device 100. Therefore, the first magnet 210 and the second magnet 220 can be arranged adjacent to the side surface members 113 and 123 and can maintain the folded state of the electronic device 100 with an attraction force smaller than the attraction required when the magnets are arranged closer to the hinge device HA located at the center of the electronic device 100.

[0057] In the following, for the sake of convenience, the Figure 3a One of the plurality of first magnets 210 and one of the plurality of second magnets 220 shown in FIG. For example, this may be a reference Figure 3a Description of the relationship between the first magnet 210 and the second magnet 220 located at the outermost position in the -X direction. Optionally, this can be referenced Figure 3a Description of the relationship between the first magnet 210 and the second magnet 220 located at the outermost position in the +X direction. The following description also applies to the plurality of first magnets 210 provided in the first housing 110 and the plurality of second magnets 220 provided in the second housing 120.

[0058] In the examples, reference Figure 3a and Figure 3b , the first magnet 210 and the second magnet 220 may be arranged so that their opposite magnetic poles face each other. For example, the north pole of the first magnet 210 may face the display 130, and the south pole of the second magnet 220 may face the display 130. Conversely, the south pole of the first magnet 210 may face the display 130, and the north pole of the second magnet 220 may face the display 130. The electronic device 100 can be maintained in the folded state by the attractive force between the first magnet 210 and the second magnet 220.

[0059] In an embodiment, the magnet disposed in the first housing 110 and the magnet disposed in the second housing 120 may have various shapes. Figure 3a and Figure 3bIn an embodiment, when the electronic device 100 is folded, the plurality of first magnets 210 and the plurality of second magnets 220 facing each other may have different shapes. In an embodiment not shown in the drawings, the plurality of first magnets 210 and the plurality of second magnets 220 may have the same shape. In addition, in an embodiment, the first magnet 210, the second magnet 220, the third magnet 230, and / or the fourth magnet 240 to be described later may have the same shape. In addition, in an embodiment, the first magnet 210, the second magnet 220, the third magnet 230, and / or the fourth magnet 240 to be described later may have different shapes.

[0060] According to embodiments, the intensity of the magnetic field generated by the magnets (eg, the first magnet 210 , the second magnet 220 , the third magnet 230 , and / or the fourth magnet 240 ) may be proportional to the magnetic flux density per unit area.

[0061] Hereinafter, a virtual axis extending in a direction perpendicular to the display 130 and passing through the N pole and the S pole of the first magnet 210 will be referred to as a first axis C1 (eg, Figure 3b In addition, a virtual axis extending in a direction perpendicular to the display 130 and passing through the N pole and the S pole of the second magnet 220 will be referred to as a second axis C2 (eg, Figure 3b The first axis C1 and the second axis C2 are virtual axes, wherein the first axis C1 of the first magnet 210 can be used to describe the first magnetic field M1 of the first magnet 210 in the Figure 4b and Figure 4c In addition, the second axis C2 of the second magnet 220 can be used to describe the second magnetic field M2 of the second magnet 220 in the first, second and third points. Figure 4b and Figure 4c The axis of the position with relatively strong strength among the fourth point, the fifth point and the sixth point in FIG. For example, referring to the Figure 4b and 4c , it can be determined that the magnetic field of the first magnet 210 has the strongest magnetic force of 1100 Gauss (G) at the second point closest to the first axis C1 among the first point, the second point, and the third point. Similarly, the magnetic force of the second magnetic field M2 generated by the second magnet 220 may become stronger toward the second axis C2. For example, referring to Figure 4b and Figure 4c , it can be determined that the magnetic field of the second magnet 220 has the strongest magnetic force of 1100G at the fifth point among the fourth point, the fifth point and the sixth point.

[0062] In an embodiment, the attractive force between the first magnet 210 and the second magnet 220 may be proportional to the strength of the magnetic field. For example, as the degree of overlap between the first magnetic field M1 of the first magnet 210 and the second magnetic field M2 of the second magnet 220 increases, the strength of the attractive force between the first magnet 210 and the second magnet 220 may increase.

[0063] According to the embodiment, Figure 3b As shown, the first magnet 210 disposed in the first housing 110 and the second magnet 220 disposed in the second housing 120 may be arranged so that when the electronic device 100 is in the folded state, these magnets do not correspond to each other. Figure 3b When the electronic device 100 is in the folded state, when the electronic device 100 is in a direction perpendicular to the display 130 (for example, referring to Figure 2a When viewed in the Z-axis direction (the Z-axis direction of the display 130), the first magnet 210 may partially overlap with the second magnet 220. In an embodiment not shown in the drawings, when the electronic device 100 is in the folded state, the first magnet 210 may not overlap with the second magnet 220 when viewed in a direction perpendicular to the display 130. Therefore, the strength of the attractive force between the first magnet 210 and the second magnet 220 can be reduced. In this case, when the electronic device 100 is in the folded state, the electronic device 100 may be unfolded regardless of the user's intention.

[0064] In embodiments, the first magnet 210 and the second magnet 220 may have different shapes and may not correspond to each other when the electronic device 100 is in the folded state. Depending on the embodiment, various electronic components may be placed inside the electronic device 100. In such cases, the space within the first housing 110 and the second housing 120 where the first magnet 210 and the second magnet 220 can be arranged may be limited. In such cases, the first magnet 210 and the second magnet 220 may have different shapes and may be arranged so that when the electronic device 100 is in the folded state, they do not face each other or only partially face each other. Alternatively, even when the first magnet 210 and the second magnet 220 have the same shape, the space within the first housing 110 and the second housing 120 where they can be arranged is limited, so the first magnet 210 and the second magnet 220 may be arranged so as not to correspond to each other. This reduces the strength of the attractive force between the first magnet 210 and the second magnet 220. In such cases, when the electronic device 100 is in the folded state, the electronic device 100 may be unfolded regardless of the user's intention.

[0065] According to an embodiment of the present disclosure, when the electronic device 100 is in the folded state, the strength of the attraction between the first magnet 210 and the second magnet 220, which are arranged not to correspond to each other, can be increased. For example, the boundary surface (e.g., Figure 4b ) and a boundary surface separating the N pole and the S pole of the second magnet 220 (eg, Figure 4b The second boundary surface 221 in the first magnet 210 and the second magnet 220 are arranged to face each other, so that the strength of the attractive force between the first magnet 210 and the second magnet 220 can be increased. A detailed description will be provided below.

[0066] Figure 4a is a view illustrating an embodiment in which a first boundary surface of a first magnet and a second boundary surface of a second magnet are parallel to a folding axis according to an embodiment. Figure 4b It shows Figure 3a FIG. 5 is a diagram showing a view showing that the attractive force between the first magnet and the second magnet depends on the angle at which the first boundary surface of the first magnet and the second boundary surface of the second magnet are tilted relative to the folding axis. Figure 4c is a view illustrating an embodiment in which a first boundary surface of a first magnet is parallel to a folding axis according to an embodiment of the present disclosure. Figure 4d It shows that the attraction between the first magnet and the second magnet depends on Figure 4b A view of the angles of the first boundary surface and the second boundary surface relative to the folding axis.

[0067] In the following, Figure 4a and Figure 4b , the first magnet 210 arranged in the first housing 110 and the second magnet 220 arranged in the second housing 120 will be described.

[0068] In an embodiment, Figure 4b It shows Figure 4a FIG. 2 is a diagram showing a positional relationship between the first magnet 210 and the second magnet 220. Figure 4a , the first magnet 210 and the second magnet 220 may have different shapes.

[0069] In the examples, reference Figure 4b When the electronic device 100 is in the folded state, the first magnet 210 and the second magnet 220 may be arranged not to correspond to each other. For example, the first axis C1 of the first magnet 210 and the second axis C2 of the second magnet 220 may not coincide with each other.

[0070] According to the embodiment, Figure 4bAs shown, the first magnet 210 and the second magnet 220 may each include a boundary surface that separates different poles (e.g., a north pole and a south pole). For example, the first magnet 210 may include a first boundary surface 211 that separates the north pole and the south pole. The second magnet 220 may include a second boundary surface 221 that separates the north pole and the south pole. In embodiments, when the first magnetic field M1 generated by the first magnet 210 is directed toward the second magnet 220, and the second magnetic field M2 generated by the second magnet 220 is directed toward the first magnet 210, the strength of the attractive force between the first magnet 210 and the second magnet 220 may increase. For example, when the first boundary surface 211 of the first magnet 210 more precisely faces the second magnet 220, the magnetic flux of the first magnetic field M1 generated by the first magnet 210 and passing through the second magnet 220 increases, thereby increasing the attractive force between the first magnet 210 and the second magnet 220. Furthermore, when the second boundary surface 221 of the second magnet 220 more precisely faces the first magnet 210 , the magnetic flux of the second magnetic field M2 generated by the second magnet 220 and passing through the first magnet 210 increases, so that the attraction between the first magnet 210 and the second magnet 220 can be increased.

[0071] In an embodiment, when the overlapping area between the first boundary surface 211 and the second boundary surface 221 increases, the overlap amount between the first magnetic field M1 generated by the first magnet 210 and the second magnetic field M2 generated by the second magnet 220 increases, so that the strength of the attractive force between the first magnet 210 and the second magnet 220 can be increased.

[0072] In the examples, reference Figure 4b, the first magnet 210 and the second magnet 220 may be arranged so that the first boundary surface 211 and the second boundary surface 221 face each other. For example, the first magnet 210 may be arranged so that its first boundary surface 211 is inclined at a first angle θ1 relative to the folding axis F so as to face the second magnet 220 located on the opposite side relative to the folding axis F. The second magnet 220 may be arranged so that its second boundary surface 221 is inclined at a second angle θ2 relative to the folding axis F so as to face the first magnet 210 located on the opposite side relative to the folding axis F. In this case, the first magnetic field M1 generated by the first magnet 210 may be directed toward the second magnet 220, and the second magnetic field M2 generated by the second magnet 220 may be directed toward the first magnet 210. Therefore, compared to a case where the first boundary surface 211 of the first magnet 210 and / or the second boundary surface 221 of the second magnet 220 are arranged parallel to the folding axis F, the magnetic flux of the first magnetic field M1 generated by the first magnet 210 and passing toward the second magnet 220 can be increased, and the magnetic flux of the second magnetic field M2 generated in the second magnet 220 and passing through the first magnet can be increased. As a result, the amount of overlap between the first magnetic field M1 of the first magnet 210 and the second magnetic field M2 of the second magnet 220 can be increased. As a result, the attractive force between the first magnet 210 and the second magnet 220 can be increased.

[0073] In an embodiment, when the first boundary surface 211 of the first magnet 210 and the second boundary surface 221 of the second magnet 220 are inclined at a predetermined angle with respect to the folding axis F, the intensity of the magnetic field for each position may be changed. Figure 4b and Figure 4c , the strength of the magnetic field for each relative position between the first magnet 210 and the second magnet 220 can be identified. In an embodiment, referring to Figure 4b , for the first magnetic field M1 generated by the first magnet 210, a magnetic field strength of 50G can be measured at the first point, a magnetic field strength of 1100G can be measured at the second point, and a magnetic field strength of 300G can be measured at the third point. For the second magnetic field M2 generated by the second magnet 220, a strength of 300G can be measured at the fourth point, a magnetic field strength of 1100G can be measured at the fifth point, and a magnetic field strength of 50G can be measured at the sixth point. In comparison, referring to Figure 4c , the first boundary surface 211 of the first magnet 210 may be parallel to the folding axis F, and the second boundary surface 221 of the second magnet 220 may be inclined at a second angle θ2 toward the first magnet 210 relative to the folding axis F. In an embodiment, referring to Figure 4c, for the first magnetic field M1 generated by the first magnet 210, a magnetic field strength of 100G can be measured at the first point, a magnetic field strength of 1200G can be measured at the second point, and a magnetic field strength of 100G can be measured at the third point. For the second magnetic field M2 generated by the second magnet 220, a magnetic field strength of 300G can be measured at the fourth point, a magnetic field strength of 1100G can be measured at the fifth point, and a magnetic field strength of 50G can be measured at the sixth point. The attraction between the first magnet 210 and the second magnet 220 may be affected by the magnetic field strength at adjacent points. For example, referring to Figure 4b , for the first magnetic field M1 of the first magnet 210, a magnetic field strength of 300G can be measured at the third point adjacent to the second magnet 220, and referring to Figure 4c , for the first magnetic field M1 of the first magnet 210, a magnetic field strength of 100G can be measured at the third point adjacent to the second magnet 220. In this case, Figure 4c Compared with the embodiment of Figure 4b In embodiments where a relatively strong magnetic field strength is measured at the third point adjacent to the second magnet 220 , the attractive force between the first magnet 210 and the second magnet 220 may be greater.

[0074] In short, if Figure 4b As shown, when the first boundary surface 211 of the first magnet 210 is inclined at a first angle θ1 relative to the folding axis F to face the second magnet 220, Figure 4c Compared to the case where the first boundary surface 211 is parallel to the folding axis F, the intensity of the first magnetic field M1 measured at the third point adjacent to the second magnet 220 may increase. Figure 4b and Figure 4c As shown, when the second boundary surface 221 of the second magnet 220 is tilted at a second angle θ2 relative to the folding axis F so as to face the first magnet 210, the intensity of the second magnetic field M2 measured at a fourth point adjacent to the first magnet 210 may be greater than the intensity of the second magnetic field M2 measured at a sixth point spaced apart from the first magnet 210. Therefore, when the boundary surface of the first magnet 210 (e.g., the first boundary surface 211) and / or the boundary surface of the second magnet 220 (e.g., the second boundary surface 221) are arranged to be tilted so as to face the magnets located on the opposite side relative to the folding axis F, the intensity of the attractive force between the first magnet 210 and the second magnet 220 may be increased.

[0075] The distances of the first, second, and third points relative to the first magnet 210 shown in the drawings are merely examples and may be modified in various ways. In addition, the distances of the fourth, fifth, and sixth points relative to the second magnet 220 are merely examples and may be modified in various ways.

[0076] In the examples, reference Figure 4c When the second boundary surface 221 of the second magnet 220 is tilted at a second angle θ2 relative to the folding axis F to face the first magnet 210, the strength of the attractive force between the first magnet 210 and the second magnet 220 can be increased compared to a case where the first boundary surface 211 of the first magnet 210 and the second boundary surface 221 of the second magnet 220 are parallel to the folding axis F. In an embodiment not shown in the drawings, when the first boundary surface 211 of the first magnet 210 and the second boundary surface 221 of the second magnet 220 are parallel to the folding axis F, the first magnetic field M1 of the first magnet 210 may have a strength of 100G at the first point, 1200G at the second point, and 100G at the third point, and the second magnetic field M2 of the second magnet 220 may have a strength of 100G at the fourth point, 1200G at the fifth point, and 100G at the sixth point. The attractive force between the first magnet 210 and the second magnet 220 may be affected by the strength of the magnetic fields at adjacent points. For example, the attraction between the first magnet 210 and the second magnet 220 may be affected by the magnetic field strength between the third point and the fourth point. Figure 4c As shown, when the second boundary surface of the second magnet 220 is tilted toward the first magnet 210 relative to the folding axis F, the intensity of the second magnetic field M2 measured at the fourth point is 300G. Therefore, compared with the case where the first boundary surface 211 of the first magnet 210 and the second boundary surface 221 of the second magnet 220 are parallel to the folding axis F, Figure 4c The strength of the attractive force between the first magnet 210 and the second magnet 220 may be increased.

[0077] In an embodiment, Figure 4d The graph shown in FIG shows that when Figure 4bWhen the first magnet 210 and the second magnet 220 are arranged as shown, the attractive force between the first magnet 210 and the second magnet 220 depends on a first angle θ1 at which the first boundary surface 211 of the first magnet 210 is tilted relative to the folding axis F, and a second angle θ2 at which the second boundary surface 221 of the second magnet 220 is tilted relative to the folding axis F. In an embodiment, the first angle θ1 formed by the first boundary surface 211 of the first magnet 210 relative to the folding axis F can be determined based on the magnetic flux of the first magnetic field M1 passing through the second magnet 220. Similarly, the second angle θ2 formed by the second boundary surface 221 of the second magnet 220 relative to the folding axis F can be determined based on the magnetic flux of the second magnetic field M2 passing through the first magnet 210. For example, the first angle θ1 of the first magnet 210 relative to the folding axis F can be determined so as to increase the magnetic flux density of the first magnetic field M1 passing through the second magnet 220. The second angle θ2 of the second magnet 220 relative to the folding axis F can be determined so as to increase the magnetic flux density of the second magnetic field M2 passing through the first magnet 210. In an embodiment, when the first angle θ1 of the first boundary surface 211 of the first magnet 210 and the second angle θ2 of the second boundary surface 221 of the second magnet 220 correspond to about 25 degrees, a maximum attractive force of 0.87 N may act between the first magnet 210 and the second magnet 220. However, Figure 4d The angle-dependent attractive forces shown in FIG are merely examples, and the maximum attractive force may vary according to the shapes of the first and second magnets 210 and 220 and the spacing distance between the first and second magnets 210 and 220. For example, the first angle θ1 and the second angle θ2 may be different angles.

[0078] Figure 5a : is a view illustrating a state in which the first magnet and the third magnet arranged in the first housing are arranged not to correspond to the second magnet arranged in the second housing with respect to the folding axis according to the embodiment of the present disclosure. Figure 5b 、 Figure 5c and Figure 5d It shows that when Figure 5a The view of the arrangement of the first magnet, the second magnet and the third magnet as shown, in which the attractive forces between the first magnet, the third magnet and the second magnet depend on the first angle at which the first boundary surface of the first magnet is tilted relative to the folding axis, the second angle at which the second boundary surface of the second magnet is tilted relative to the folding axis, and the third angle at which the third boundary surface of the third magnet is tilted relative to the folding axis, respectively.

[0079] The following will refer to Figures 5a to 5c The described embodiment corresponds to adding a third magnet 230 to the previously described Figures 4a to 4d Embodiments of the embodiments described.

[0080] According to the embodiment, Figure 5aAs shown, the first housing 110 may include a first magnet 210 and a third magnet 230. The third magnet 230 may be disposed relative to the first magnet 210 in a first direction (eg, relative to Figure 5a The third magnet 230 is placed in the +X direction of the first magnet 210 so as to be spaced farther from the second magnet 220 in the first direction than the first magnet 210. Therefore, the third axis C3, which passes through the north and south poles of the third magnet 230 and on which the magnetic flux density of the third magnetic field M3 generated by the third magnet 230 is highest, may not coincide with the second axis C2 of the second magnet 220.

[0081] In an embodiment, the third magnet 230 may include a third boundary surface 231 that separates the north pole and the south pole. In an embodiment, when the third magnetic field M3 generated by the third magnet 230 is directed toward the second magnet 220, the strength of the attractive force between the second magnet 220 and the third magnet 230 may be increased. In an embodiment, the third magnet 230 may be arranged such that its third boundary surface 231 is inclined at a third angle θ3 relative to the folding axis F, so as to face the second magnet 220 located on the opposite side relative to the folding axis F. In this case, the third magnetic field M3 generated by the third magnet 230 may be directed toward the second magnet 220. Therefore, compared to a case where the third boundary surface 231 of the third magnet 230 is arranged parallel to the folding axis F, the magnetic flux of the third magnetic field M3 generated by the third magnet 230 and passing through the second magnet 220 may be increased. Consequently, the amount of overlap between the second magnetic field M2 of the second magnet 220 and the third magnetic field M3 of the third magnet 230 may be increased. Consequently, the attractive force between the second magnet 220 and the third magnet 230 may be increased.

[0082] In the examples, reference Figure 5a , refer to Figure 5a , the third magnet 230 may be located in the -X direction relative to the second magnet 220 compared to the first magnet 210. In this case, in order to face the second magnet 220, the third boundary surface 231 of the third magnet 230 may be more inclined relative to the folding axis F than the first boundary surface 211 of the first magnet 210. For example, referring to the Figure 5b and Figure 5d , a third angle θ3 formed by the third boundary surface 231 and the folding axis F may be greater than a first angle θ1 formed by the first boundary surface 211 and the folding axis F.

[0083] In the examples, reference Figure 5a , the second magnet 220 may be affected by the magnet closer to the second magnet 220 among the first magnet 210 and the third magnet 230 located on the opposite side with respect to the folding axis F. For example, the second angle θ2 formed by the second boundary surface 221 of the second magnet 220 and the folding axis F may be determined in consideration of the density of the magnetic flux passing through the relatively adjacent first magnet 210.

[0084] Depending on the embodiment, at least one of the first angle θ1 formed by the first boundary surface 211 and the folding axis F, the second angle θ2 formed by the second boundary surface 221 and the folding axis F, and the third angle θ3 formed by the third boundary surface 231 and the folding axis F may have different angles. In an embodiment, each of the first boundary surface 211, the second boundary surface 221, and the third boundary surface 231 of the first magnet 210, the second magnet 220, and the third magnet 230 may be tilted relative to the folding axis F to maximize the sum of its magnetic field and the magnetic field of the magnet located on the opposite side of the folding axis F. For example, the first angle θ1 and the third angle θ3 of the first magnet 210 and the third magnet 230 may be determined to increase the density of the magnetic flux of the first magnetic field M1 and the magnetic flux of the third magnetic field M3 passing through the second magnet 220. The second angle θ2 of the second magnet 220 may be determined to increase the density of the magnetic flux of the second magnetic field M2 passing through the first magnet 210 and the third magnet 230.

[0085] According to an embodiment, Figure 5b 、 Figure 5c and Figure 5d The graph shown in represents data that can be obtained by an experiment of measuring the attractive force between the first magnet 210, the second magnet 220 and / or the third magnet 230 in a state where the boundary surface 211, 221 or 231 of only one of the first magnet 210, the second magnet 220 and the third magnet 230 is tilted relative to the folding axis F and the boundary surfaces of the remaining two magnets are parallel to the folding axis F.

[0086] In an embodiment, Figure 5b The graph shown in may be a graph showing that the attractive force between the first magnet 210, the second magnet 220, and the third magnet 230 depends on the first angle θ1 formed by the first boundary surface 211 of the first magnet 210 and the folding axis F in a state where the second boundary surface 221 of the second magnet 220 and the third boundary surface 231 of the third magnet 230 are parallel to the folding axis F. For example, Figure 5b The graph of may be a graph showing the attractive force between the sum of the magnetic fields formed by the first magnet 210 and the third magnet 230 and the magnetic field on the second magnet 220. In an embodiment, referring to Figure 5b , in a state where the second boundary surface 221 of the second magnet 220 and the third boundary surface 231 of the third magnet 230 are parallel to the folding axis F, when the first angle θ1 formed by the first boundary surface 211 of the first magnet 210 and the folding axis F is 20 degrees, the sum of the attractive forces between the first magnet 210, the third magnet 230 and the second magnet 220 can be a maximum value of 0.311N.

[0087] In an embodiment, Figure 5cThe graph shown in FIG may be a graph showing that the attractive force between the first magnet 210, the second magnet 220, and the third magnet 230 depends on the second angle θ2 formed by the second boundary surface 221 of the second magnet 220 and the folding axis F in a state where the first boundary surface 211 of the first magnet 210 and the third boundary surface 231 of the third magnet 230 are parallel to the folding axis F. In an embodiment, referring to Figure 5c In a state where the first boundary surface 211 of the first magnet 210 and the third boundary surface 231 of the third magnet 230 are parallel to the folding axis F, when the second angle θ2 formed by the second boundary surface 221 of the second magnet 220 and the folding axis F is 30 degrees, the sum of the attractive forces between the first magnet 210, the third magnet 230 and the second magnet 220 can be a maximum value of 0.325N.

[0088] In an embodiment, Figure 5d The graph shown in FIG may be a graph showing that, in a state where the first boundary surface 211 of the first magnet 210 and the second boundary surface 221 of the second magnet 220 are parallel to the folding axis F, the attractive force between the first magnet 210, the second magnet 220, and the third magnet 230 depends on the second angle θ3 formed by the third boundary surface 231 of the third magnet 230 and the folding axis F. In an embodiment, referring to Figure 5d In a state where the first boundary surface 211 of the first magnet 210 and the second boundary surface 221 of the second magnet 220 are parallel to the folding axis F, when the third angle θ3 formed by the third boundary surface 231 of the third magnet 230 and the folding axis F is 70 degrees, the sum of the attractive forces between the first magnet 210, the third magnet 230 and the second magnet 220 can be a maximum value of 0.341N.

[0089] Furthermore, the first to third boundary surfaces 211 , 221 , and 231 may be arranged at various angles with respect to the folding axis F so that the attractive force between the first to third magnets 210 , 220 , and 230 is maximized.

[0090] Figure 6a : is a view illustrating a state in which the first magnet and the third magnet arranged in the first housing are arranged not to correspond to the second magnet and the fourth magnet arranged in the second housing with respect to the folding axis according to the embodiment of the present disclosure. Figure 6b 、 Figure 6c 、 Figure 6d and Figure 6e It shows that when Figure 6aThe view of the arrangement of the first to fourth magnets as shown, in which the attractive forces between the first and third magnets and the second and fourth magnets depend on a first angle at which the first boundary surface of the first magnet is tilted relative to the folding axis, a second angle at which the second boundary surface of the second magnet is tilted relative to the folding axis, a third angle at which the third boundary surface of the third magnet is tilted relative to the folding axis, and a fourth angle at which the fourth boundary surface of the fourth magnet is tilted relative to the folding axis.

[0091] The following will refer to Figures 6a to 6e The described embodiment corresponds to adding a fourth magnet 240 to the previously described embodiment. Figures 5a to 5d Embodiments of the described embodiments.

[0092] According to the embodiment, Figure 6a As shown, the first housing 110 and the second housing 120 may include a plurality of magnets. In an embodiment, the first housing 110 may include a first magnet 210 and a third magnet 230. The second housing 120 may include a second magnet 220 and a fourth magnet 240. In an embodiment, the third magnet 230 may be arranged relative to the first magnet 210 in a first direction (e.g., relative to the first magnet 210). Figure 6a In an embodiment, the fourth magnet 240 may be positioned relative to the second magnet 220 in the second direction (e.g., relative to the +X direction) to be spaced further apart from the second magnet 220 than the first magnet 210 in the first direction. Figure 6a The fourth magnet 240 is placed in the -X direction of the first magnet 210 so as to be spaced farther from the first magnet 210 in the second direction than the second magnet 220. Therefore, the fourth axis C4, which passes through the north and south poles of the fourth magnet 240 and on which the magnetic flux density of the fourth magnetic field M4 generated by the fourth magnet 240 is highest, may not coincide with the first axis C1 of the first magnet 210 and the third axis C3 of the third magnet 230.

[0093] In the examples, reference Figure 6a, the fourth magnet 240 may include a fourth boundary surface 241 that separates the north pole and the south pole. In an embodiment, when the magnetic flux of the fourth magnetic field M4 generated by the fourth magnet 240 and passing through the first magnet 210 and the third magnet 230 increases, the attractive force between the first magnet 210, the third magnet 230, and the fourth magnet 240 may increase. In an embodiment, the fourth magnet 240 may be arranged so that its fourth boundary surface 241 is inclined at a fourth angle θ4 relative to the folding axis F so as to face the first magnet 210 and the third magnet 230 located on opposite sides relative to the folding axis F. In this case, the fourth magnetic field M4 generated by the fourth magnet 240 may be directed toward the first magnet 210 and the third magnet 230. Therefore, compared to a case where the fourth boundary surface 241 of the fourth magnet 240 is arranged parallel to the folding axis F, the magnetic flux of the fourth magnetic field M4 generated by the fourth magnet 240 and passing through the first magnet 210 and the second magnet 220 may increase. Therefore, the overlap between the first magnetic field M1 of the first magnet 210, the third magnetic field M3 of the third magnet 230, and the fourth magnetic field M4 of the fourth magnet 240 may increase. Therefore, the attraction between the first magnet 210, the third magnet 230, and the fourth magnet 240 may increase.

[0094] In an embodiment, the fourth magnet 240 may be affected by a magnet closer to the fourth magnet 240 among the first magnet 210 and the third magnet 230 located on opposite sides relative to the folding axis F. For example, the fourth angle θ4 formed by the fourth boundary surface 241 of the fourth magnet 240 and the folding axis F may be determined in consideration of the density of the magnetic flux passing through the relatively adjacent first magnet 210.

[0095] In the examples, reference Figure 6a , refer to Figure 6a , the fourth magnet 240 may be located in the -X direction relative to the first magnet 210 as compared to the second magnet 220. In this case, the fourth boundary surface 241 of the fourth magnet 240 may be more inclined than the second boundary surface 221 of the second magnet 220 relative to the folding axis F so as to face the first magnet 210. For example, referring to Figure 6c and Figure 6e , a fourth angle θ4 formed by the fourth boundary surface 241 and the folding axis F may be greater than a second angle θ2 formed by the second boundary surface 221 and the folding axis F.

[0096] Depending on the embodiment, at least one of the first angle θ1 formed by the first boundary surface 211 and the folding axis F, the second angle θ2 formed by the second boundary surface 221 and the folding axis F, the third angle θ3 formed by the third boundary surface 231 and the folding axis F, and the fourth angle θ4 formed by the fourth boundary surface 241 and the folding axis F may have different angles. In the embodiment, each of the first boundary surface 211, the second boundary surface 221, the third boundary surface 231, and the fourth boundary surface 241 of the first magnet 210, the second magnet 220, the third magnet 230, and the fourth magnet 240 may be tilted relative to the folding axis F so as to maximize the sum of its magnetic field and the magnetic field of the magnet on the opposite side of the folding axis F. For example, the first angle θ1 and the third angle θ3 of the first magnet 210 and the third magnet 230 on the opposite side of the folding axis F may be determined based on the magnetic flux passing through the second magnet 220 and the fourth magnet 240. For example, the first angle θ1 and the third angle θ3 of the first magnet 210 and the third magnet 230 may be determined so that the density of the magnetic flux of the first magnetic field M1 and the magnetic flux of the third magnetic field M3 passing through the second magnet 220 and the fourth magnet 240 increases. Similarly, the second angle θ2 and the fourth angle θ4 of the second magnet 220 and the fourth magnet 240 located on opposite sides relative to the folding axis F may be determined based on the magnetic flux passing through the first magnet 210 and the third magnet 230. For example, the second angle θ2 and the fourth angle θ4 of the second magnet 220 and the fourth magnet 240 may be determined so that the density of the magnetic flux of the second magnetic field M2 and the magnetic flux of the fourth magnetic field M4 passing through the first magnet 210 and the third magnet 230 increases. Furthermore, for the first magnet 210 and the third magnet 230, the first angle θ1 and the third angle θ3 may be determined based on which of the second magnet 220 and the fourth magnet 240, located on opposite sides relative to the folding axis F, is closer to the first magnet 210 and the third magnet 230. For example, the first angle θ1 formed by the first boundary surface 211 of the first magnet 210 and the folding axis F, and the third angle θ3 formed by the third boundary surface 231 of the third magnet 230 and the folding axis F may be determined taking into account the magnetic flux of the first magnetic field M1 and the magnetic flux of the third magnetic field M3 passing through the second magnet 220. Similarly, for the second magnet 220 and the fourth magnet 240, the second angle θ2 and the fourth angle θ4 may be determined based on which of the first magnet 210 and the third magnet 230, located on opposite sides relative to the folding axis F, is closer to the second magnet 220 and the fourth magnet 240. For example, the second angle θ2 formed by the second boundary surface 221 of the second magnet 220 and the folding axis F and the fourth angle θ4 formed by the fourth boundary surface 241 of the fourth magnet 240 and the folding axis F can be determined considering the magnetic flux of the second magnetic field M2 and the magnetic flux of the fourth magnetic field M4 passing through the first magnet 210.

[0097] According to an embodiment, Figure 6b 、 Figure 6c 、 Figure 6d and Figure 6e The graph shown in represents data that can be obtained by an experiment of measuring the attractive force between the first magnet 210, the second magnet 220, the third magnet 230 and / or the fourth magnet 240 in a state where the boundary surface 211, 221, 231 or 241 of only one of the first magnet 210, the second magnet 220, the third magnet 230 and the fourth magnet 240 is tilted relative to the folding axis F and the boundary surfaces of the remaining three magnets are parallel to the folding axis F.

[0098] In an embodiment, Figure 6b The graph shown in may be a graph showing that the attractive force between the first magnet 210, the second magnet 220, the third magnet 230, and the fourth magnet 240 depends on the first angle θ1 formed by the first boundary surface 211 of the first magnet 210 and the folding axis F in a state in which the second boundary surface 221 of the second magnet 220, the third boundary surface 231 of the third magnet 230, and the fourth boundary surface 241 of the fourth magnet 240 are parallel to the folding axis F. For example, Figure 6b The graph of may be a graph showing the attractive force caused by the sum of the magnetic fields formed by the first magnet 210 and the third magnet 230 and the sum of the magnetic fields formed by the second magnet 220 and the fourth magnet 240. In an embodiment, referring to Figure 6b , in a state where the second boundary surface 221 of the second magnet 220, the third boundary surface 231 of the third magnet 230 and the fourth boundary surface 241 of the fourth magnet 240 are parallel to the folding axis F, when the first angle θ1 formed by the first boundary surface 211 of the first magnet 210 and the folding axis F is 30 degrees, the sum of the attractive forces between the first magnet 210 and the third magnet 230 and the second magnet 220 and the fourth magnet 240 can be a maximum value of 0.326N.

[0099] In an embodiment, Figure 6c The graph shown in FIG may be a graph showing that the attractive force between the first magnet 210, the second magnet 220, the third magnet 230, and the fourth magnet 240 depends on the second angle θ2 formed by the second boundary surface 221 of the second magnet 220 and the folding axis F in a state where the first boundary surface 211 of the first magnet 210, the third boundary surface 231 of the third magnet 230, and the fourth boundary surface 241 of the fourth magnet 240 are parallel to the folding axis F. In the embodiment, referring to Figure 6c, in a state where the first boundary surface 211 of the first magnet 210, the third boundary surface 231 of the third magnet 230 and the fourth boundary surface 241 of the fourth magnet 240 are parallel to the folding axis F, when the second angle θ2 formed by the second boundary surface 221 of the second magnet 220 and the folding axis F is 30 degrees, the sum of the attractive forces between the first magnet 210 and the third magnet 230 and the second magnet 220 and the fourth magnet 240 can be a maximum value of 0.325N.

[0100] In an embodiment, Figure 6d The graph shown in FIG may be a graph showing that, in a state where the first boundary surface 211 of the first magnet 210, the second boundary surface 221 of the second magnet 220, and the fourth boundary surface 241 of the fourth magnet 240 are parallel to the folding axis F, the attractive force between the first magnet 210, the second magnet 220, the third magnet 230, and the fourth magnet 240 depends on the third angle θ3 formed by the third boundary surface 231 of the third magnet 230 and the folding axis F. In the embodiment, referring to Figure 6d , in the state where the first boundary surface 211 of the first magnet 210, the second boundary surface 221 of the second magnet 220 and the fourth boundary surface 241 of the fourth magnet 240 are parallel to the folding axis F, when the third angle θ3 formed by the third boundary surface 231 of the third magnet 230 and the folding axis F is 75 degrees, the sum of the attractive forces between the first magnet 210 and the third magnet 230 and the second magnet 220 and the fourth magnet 240 can be a maximum value of 0.342N.

[0101] In an embodiment, Figure 6e The graph shown in FIG may be a graph showing that, in a state where the first boundary surface 211 of the first magnet 210, the second boundary surface 221 of the second magnet 220, and the third boundary surface 231 of the third magnet 230 are parallel to the folding axis F, the attractive force between the first magnet 210, the second magnet 220, the third magnet 230, and the fourth magnet 240 depends on the fourth angle θ4 formed by the fourth boundary surface 241 of the fourth magnet 240 and the folding axis F. In the embodiment, referring to Figure 6e , in the state where the first boundary surface 211 of the first magnet 210, the second boundary surface 221 of the second magnet 220 and the third boundary surface 231 of the third magnet 230 are parallel to the folding axis F, when the fourth angle θ4 formed by the fourth boundary surface 241 of the fourth magnet 240 and the folding axis F is 75 degrees, the sum of the attractive forces between the first magnet 210 and the third magnet 230 and the second magnet 220 and the fourth magnet 240 can be a maximum value of 0.324N.

[0102] Furthermore, the first to fourth boundary surfaces 211 , 221 , 231 , and 241 may be arranged at various angles relative to the folding axis F so as to maximize the attractive force between the first to third magnets 210 , 220 , 230 , and 240 .

[0103] As described above, for ease of description, the boundary surfaces of the first magnet 210, the second magnet 220, the third magnet 230, and the fourth magnet 240 (e.g., the first boundary surface to the fourth boundary surface 211, 221, 231, and 241) are used, and the N poles and S poles of the first magnet to the fourth magnet 240 may not be physically separated along the boundary surfaces.

[0104] Furthermore, the boundary surfaces 211, 221, 231, and 241 of the first magnet 210, the second magnet 220, the third magnet 230, and / or the fourth magnet 240 described above have been described as being tilted at a predetermined angle relative to the folding axis F, but the boundary surfaces 211, 221, 231, and 241 may not be limited to being tilted based on the folding axis F. In an embodiment, for the first magnet 210 and / or the third magnet 230 arranged in the first housing 110 and the second magnet 220 and / or the fourth magnet 240 arranged in the second housing 120, the boundary surfaces 211, 221, 231, and 241 may be arranged to be tilted relative to a specific axis so that the attractive force between the magnets located on opposite sides of the folding axis is maximized.

[0105] Figure 7a are views illustrating various arrangement relationships between first and second magnets according to an embodiment of the present disclosure. Figure 7b yes Figure 7a Front view of. Figure 7c yes Figure 7a Right side view.

[0106] According to the embodiment, the relative positions of the first magnet 210 and the second magnet 220 can be changed in various ways. Figure 7a , the first magnet 210 and the second magnet 220 may have different extension directions. For example, the first magnet 210 and the second magnet 220 may be arranged in the first housing 110 and the second housing 120, respectively, so that their longitudinal extension directions are perpendicular to each other. In this case, to ensure that the attractive force between the first magnet 210 and the second magnet 220 is increased, the first boundary surface 211 of the first magnet 210 may be arranged to face the second magnet 220, and the second boundary surface 221 of the second magnet 220 may face the first magnet.

[0107] In the examples, reference Figures 7a to 7c , when viewed in various directions (e.g., +X direction or +Y direction) Figure 7aWhen the first magnet 210 and the second magnet 220 are shown in FIG, the first boundary surface 211 and the second boundary surface 221 may be arranged to be inclined to face each other. In an embodiment, Figure 7b Is when Figure 7a When observing in the +Y direction, Figure 7a In the embodiment, reference is made to Figure 7b , the first magnet 210 may be arranged relative to Figure 7b The X-axis in the figure is tilted so that the first boundary surface 211 faces the second magnet 220. The second magnet 220 may be arranged relative to Figure 7b The X-axis in the figure is tilted so that the second boundary surface 221 faces the first magnet 210. In addition, Figure 7c Is when Figure 7a When observing in the +X direction, Figure 7a A right side view of the first and second magnets. Figure 7c , the first magnet 210 may be arranged relative to Figure 7b The X-axis in the figure is tilted so that the first boundary surface 211 faces the second magnet 220. The second magnet 220 may be arranged relative to Figure 7b The X-axis in FIG is tilted so that the second boundary surface 221 faces the first magnet 210. Therefore, since the amount of overlap between the first magnetic field M1 and the second magnetic field M2 increases, the attractive force of the first magnet 210 and the second magnet 220 may increase.

[0108] Figure 8 are views illustrating various arrangement relationships between first and second magnets according to an embodiment of the present disclosure.

[0109] According to the embodiment, Figure 8 As shown, the first magnet 210 may have a size included in the second magnet 220. In this case, at least one of the first boundary surface 211 of the first magnet 210 and the second boundary surface 221 of the second magnet 220 may be arranged to face the magnets (e.g., the first magnet 210 and / or the second magnet 220) located on the opposite side relative to the folding axis F. In an embodiment, referring to Figure 8, the first boundary surface 211 of the first magnet 210 may be arranged in a direction parallel to the folding axis F, and may have a size included in the second magnet 220. For the second magnet 220, the second boundary surface 221 may be arranged to face the first magnet 210, so that the magnetic flux density of the second magnetic field M2 generated by the second magnet 220 increases in the portion overlapping with the first magnet 210. For example, the second boundary surface 221 of the second magnet 220 may be inclined at a second angle θ2 relative to the folding axis F to face the first magnet 210. In an embodiment not shown in the drawings, the first boundary surface 211 of the first magnet 210 may be inclined at a first angle θ1 relative to the folding axis F to face the second boundary surface 221 inclined relative to the folding axis F. In an embodiment, referring to the above Figure 4c , when the first boundary surface 211 is inclined at a first angle θ1 relative to the folding axis F rather than being parallel to the folding axis F, the magnetic field intensity of the first magnet 210 can be measured as high at a third point adjacent to the second magnet 220. Therefore, according to an embodiment of the present disclosure, at least one of the first boundary surface 211 of the first magnet 210 and the second boundary surface 221 of the second magnet 220 can be arranged to face the magnets located on opposite sides relative to the folding axis F. Therefore, due to the increased amount of overlap between the first magnetic field M1 and the second magnetic field M2, the attractive force of the first magnet 210 and the second magnet 220 can be increased.

[0110] Figure 9a and Figure 9b : is a view showing a state in which first and second magnets are arranged in a Halbach array according to an embodiment of the present disclosure.

[0111] In the examples, reference Figure 9a and Figure 9b , the first magnet 310 arranged in the first housing 110 and the second magnet 320 arranged in the second housing 120 may each include a plurality of magnets arranged so that they present a plurality of magnetic fields facing one surface of the display 130. In an embodiment, referring to Figure 9a and Figure 9b , the first magnet 310 may include a plurality of magnets arranged so that the north pole and the south pole alternate on one surface facing the display 130. For example, the first magnet 310 may include a plurality of magnets arranged in a Halbach array. Similarly, the second magnet 320 may include a plurality of magnets arranged so that the north pole and the south pole alternate on one surface facing the display 130. For example, the second magnet 320 may include a plurality of magnets arranged in a Halbach array. Hereinafter, for ease of description, the first magnet 310 and the second magnet 320 will be described assuming that they are magnets having a Halbach array.

[0112] According to the embodiment, Figure 9aand Figure 9b As shown, the first magnet 310 may be arranged in the first housing 110 so that the plurality of magnets are arranged to face the display 130. The second magnet 320 may be arranged so that the plurality of magnets face the display 130 so that when the electronic device 100 is in the folded state, there is an attractive force between the first magnet 310 and the second magnet 320. Depending on the embodiment, the plurality of magnets included in the first magnet 310 and the second magnet 320 may have the same size or different sizes.

[0113] According to the embodiment, Figure 9a and Figure 9b As shown, the plurality of magnets included in the first magnet 310 and the plurality of magnets included in the second magnet 320 may have boundary surfaces, each of which separates the N pole and the S pole and faces the magnets located on opposite sides with respect to the folding axis F. For example, referring to Figure 9a , the plurality of magnets included in the first magnet 310 may be arranged to be inclined at a predetermined angle relative to the Y axis to face the plurality of magnets included in the second magnet 320 corresponding to the plurality of magnets included in the first magnet 310 relative to the folding axis F. Similarly, referring to Figure 9a , the plurality of magnets included in the second magnet 320 may be arranged to be inclined at a predetermined angle relative to the Y-axis so as to face the plurality of magnets included in the first magnet 310 corresponding to the plurality of magnets included in the second magnet 320 relative to the folding axis F. Therefore, the amount of overlap between the magnetic fields generated by the plurality of magnets in the first magnet 310 and the second magnet 320 increases, so that the attractive force between the first magnet 310 and the second magnet 320 can be increased.

[0114] In an embodiment not shown in the drawings, only one of the first magnet 310 and the second magnet 320 may have a boundary surface arranged to face the magnet (e.g., the first magnet 310 and / or the second magnet 320) located on the opposite side with respect to the folding axis F. Figure 9a , the boundary surfaces of the plurality of magnets included in the first magnet 310 may be parallel to the Y-axis, and the boundary surfaces of the plurality of magnets included in the second magnet 320 may be tilted relative to the Y-axis to face the plurality of magnets included in the first magnet 310. Conversely, the boundary surfaces of the plurality of magnets included in the first magnet 310 may be arranged to be tilted relative to the Y-axis to face the plurality of magnets included in the second magnet 320, and the boundary surfaces of the plurality of magnets included in the second magnet 320 may be arranged to be parallel to the Y-axis. As a result, the amount of overlap between the magnetic fields generated by the plurality of magnets increases, and the attractive force between the first magnet 310 and the second magnet 320 increases.

[0115] According to an embodiment of the present disclosure, an electronic device may include: a first housing 110; a second housing 120 connected to the first housing so as to be foldable around a folding axis F (eg, Figure 4a display 130, is provided on the front surface of the electronic device, and a partial area of ​​the display is deformed by the rotation of the second housing relative to the first housing; a first magnet (eg, Figures 4a to 8 The first magnet 210 and / or Figure 9a and Figure 9b The first magnet 310 in the first housing is arranged in the first housing; and the second magnet (eg, Figures 4a to 8 The second magnet 220 and / or Figure 9a and Figure 9b The second magnet 320 in the electronic device is arranged in the second shell and does not correspond to the first magnet when the electronic device is in the folded state. The second magnet is configured to exert an attractive force on the first magnet, wherein the first magnet may include a first boundary surface 211 that separates different poles and is inclined at a first angle θ1 relative to the folding axis, wherein the second magnet may include a second boundary surface 221 that separates different poles and is inclined at a second angle θ2 relative to the folding axis, and wherein the first boundary surface and the second boundary surface face each other.

[0116] Furthermore, when the electronic device is in the folded state, the first magnet and the second magnet may at least partially overlap each other when viewed in a direction perpendicular to the display.

[0117] Furthermore, when the electronic device is in the folded state, the first magnet and the second magnet may not overlap with each other when viewed in a direction perpendicular to the display.

[0118] In addition, a first axis C1 passing through different poles of the first magnet and perpendicular to the display and a second axis C2 passing through different poles of the second magnet and perpendicular to the display may not coincide with each other, and the intensity of the first magnetic field (M1) generated by the first magnet may become stronger toward the first axis, and the intensity of the second magnetic field (M2) generated by the second magnet may become stronger toward the second axis.

[0119] Furthermore, the first magnet and the second magnet may have different shapes.

[0120] The first boundary surface or the second boundary surface may be parallel to the folding axis.

[0121] In addition, the electronic device may also include: a third magnet 230, arranged in the first shell and located in a first direction relative to the first magnet, the third magnet 230 includes a third boundary surface 231, the third boundary surface 231 separates different poles and is inclined at a third angle θ3 relative to the folding axis to face the second boundary surface, and the third magnet is constructed to generate an attractive force with the second magnet.

[0122] Furthermore, the third angle of the third boundary surface may be greater than the first angle of the first boundary surface.

[0123] Furthermore, one of the first boundary surface, the second boundary surface, and the third boundary surface may be parallel to the folding axis.

[0124] Furthermore, the first angle, the second angle, and the third angle may be tilted relative to the folding axis so as to maximize the attractive force between the first magnet and the second magnet and the attractive force between the second magnet and the third magnet.

[0125] In addition, the electronic device may also include: a fourth magnet 240, which is arranged in the second shell and is located in a second direction opposite to the first direction relative to the second magnet, the fourth magnet includes a fourth boundary surface 241, the fourth boundary surface 241 separates different poles and is inclined at a fourth angle θ4 relative to the folding axis to face the first boundary surface, and the fourth magnet is constructed to generate an attractive force with the second magnet.

[0126] Furthermore, the fourth angle of the fourth boundary surface may be greater than the second angle of the second boundary surface.

[0127] Furthermore, one of the first boundary surface, the second boundary surface, the third boundary surface, and the fourth boundary surface may be parallel to the folding axis.

[0128] In addition, the first angle, the second angle, the third angle and the fourth angle can be tilted relative to the folding axis so that the attraction between the first magnet and the second magnet, the attraction between the first magnet and the fourth magnet, the attraction between the second magnet and the third magnet, and the attraction between the second magnet and the fourth magnet are maximized.

[0129] In addition, the first magnet and the second magnet may each include a plurality of magnets, and the plurality of magnets are arranged in a Halbach array so that a plurality of magnetic fields appear on one surface facing the display, and the first magnet and the second magnet are arranged so that different poles face each other.

[0130] Furthermore, the first magnet and the second magnet may be arranged in the first housing and the second housing, respectively, so as to be aligned with a side surface member (eg, Figure 1a The first side surface member 113 and / or the second side surface member 123 are adjacent to each other.

[0131] According to an embodiment of the present disclosure, there is provided a magnet assembly disposed in an electronic device 100, in which a first housing 110 and a second housing 120 are connected to each other so as to be rotatable about a folding axis F (eg, Figure 4a The magnet assembly may include a first magnet (eg, Figures 4a to 8 The first magnet 210 and / or Figure 9a and Figure 9b) and a second magnet disposed in a second housing (eg, Figures 4a to 8 The second magnet 220 and / or Figure 9a and Figure 9b The second magnet 320 in the electronic device is configured to apply an attractive force to the first magnet when the electronic device is in a folded state, wherein the first magnet may include a first boundary surface 211 that separates different poles and is inclined at a first angle θ1 relative to the folding axis, wherein the second magnet may include a second boundary surface 221 that separates different poles and is inclined at a second angle θ2 relative to the folding axis, and wherein the first boundary surface and the second boundary surface face each other.

[0132] In addition, a first axis C1 passing through different poles of the first magnet and perpendicular to the display 130 and a second axis C2 passing through different poles of the second magnet and perpendicular to the display may not coincide with each other, wherein the intensity of the first magnetic field (M1) generated by the first magnet may become stronger toward the first axis, and wherein the intensity of the second magnetic field (M2) generated by the second magnet may become stronger toward the second axis.

[0133] Furthermore, when the electronic device is in the folded state, the first magnet and the second magnet may at least partially overlap each other when viewed in a direction perpendicular to the display of the electronic device.

[0134] Furthermore, the first boundary surface or the second boundary surface may be parallel to the folding axis.

[0135] According to various embodiments disclosed in this document, the electronic device 101 has a bar-type or plate-type appearance, but the present invention is not limited thereto. For example, the illustrated electronic device 101 may be part of a foldable electronic device, a slidable electronic device, a retractable electronic device, and / or a rollable electronic device. "Foldable electronic device," "slidable electronic device," "retractable electronic device," and / or "rollable electronic device" mean that the display (e.g., the display module 160 in FIG. 1 ) can be bent and deformed so that at least a portion thereof is folded, rolled up, or rolled up, an area is at least partially expanded, and / or it may refer to an electronic device that can be stored inside a housing. Depending on the user's needs, the foldable electronic device, the slidable electronic device, the retractable electronic device, and / or the rollable electronic device expands the screen display area by unfolding the display or exposing a larger area of ​​the display to the outside.

[0136] The electronic device according to various embodiments may be any of various types of electronic devices. The electronic device may include, for example, a portable communication device (e.g., a smartphone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a household appliance. According to embodiments of the present disclosure, the electronic device is not limited to the aforementioned electronic devices.

[0137] It should be understood that the various embodiments of the present disclosure and the terms used therein are not intended to limit the technical features set forth herein to specific embodiments, but rather include various variations, equivalents, or alternative forms for the corresponding embodiments. For the description of the accompanying drawings, similar reference numerals may be used to refer to similar or related elements. It will be understood that nouns in the singular form corresponding to an item may include one or more things, unless the relevant context clearly indicates otherwise. As used herein, each of phrases such as "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" may include any one or all possible combinations of the items listed together with the corresponding phrase in the plurality of phrases. As used herein, terms such as "first" and "second" or "first" and "second" may be used to simply distinguish a corresponding component from another component and do not limit the components in other respects (e.g., importance or order). It will be understood that if an element (e.g., a first element) is referred to as being “coupled with”, “coupled to”, “connected to”, or “connected to” another element (e.g., the second element), whether the term “operably” or “communicatively” is used or not, it means that the element may be directly (e.g., wired) connected to the other element, wirelessly connected to the other element, or connected to the other element via a third element.

[0138] As used in conjunction with various embodiments of the present disclosure, the term "module" may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with other terms (e.g., "logic," "logic block," "portion," or "circuit"). A module may be a single integrated component adapted to perform one or more functions, or the smallest unit or portion of the single integrated component. For example, depending on the embodiment, a module may be implemented in the form of an application-specific integrated circuit (ASIC).

[0139] The various embodiments described herein can be implemented as software (e.g., program 140) comprising one or more instructions stored in a storage medium (e.g., internal memory 136 or external memory 138) readable by a machine (e.g., electronic device 101). For example, a processor (e.g., processor 120) of the machine (e.g., electronic device 101) can, under the control of the processor, invoke and execute at least one of the one or more instructions stored in the storage medium, with or without the use of one or more other components. This allows the machine to operate to perform at least one function in accordance with the invoked at least one 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. The term "non-transitory" herein simply means that the storage medium is a tangible device and does not include signals (e.g., electromagnetic waves), but does not distinguish whether the data is stored semi-permanently or temporarily in the storage medium.

[0140] According to an embodiment, the method according to various embodiments of the present disclosure may be included in and provided in a computer program product. The computer program product may be traded as a product between a seller and a buyer. The computer program product may be distributed in the form of a machine-readable storage medium (e.g., a CD-ROM) or distributed via an application store (e.g., PlayStore). TM ) online distribution (e.g., download or upload), or directly between two user devices (e.g., smartphones). If distributed online, at least part of the computer program product may be temporarily generated or at least temporarily stored in a machine-readable storage medium (such as a memory on the manufacturer's server, an app store's server, or a relay server).

[0141] According to various embodiments, each of the components described above (e.g., a module or program) may include a single entity or multiple entities, and some of the multiple entities may be separately provided in different components. According to various embodiments, one or more of the components described above may be omitted, or one or more other components may be added. Alternatively or additionally, multiple components (e.g., modules or programs) may be integrated into a single component. In this case, according to various embodiments, the integrated component may still perform one or more functions of the corresponding components in the multiple components in the same or similar manner as the functions performed by each of the multiple components before the integration. According to various embodiments, the operations performed by a module, program, or another component may be performed sequentially, in parallel, repeatedly, or heuristically, or may be run in a different order, one or more of the operations may be omitted, or one or more other operations may be added.

[0142] It should be understood that, in addition to the embodiments disclosed above, the present disclosure also contemplates and includes embodiments based on combinations of any two or more of the embodiments disclosed above, as well as embodiments including any combination of the above features. As disclosed herein, the absence of an explicit indication that two features can be combined or two embodiments can be combined does not mean that such a combination is not considered, but rather that such a combination should be considered to be included herein.

Claims

1. An electronic device (100), comprising: a first housing (110); a second housing (120) connected to the first housing so as to be rotatable about a folding axis (F); A display (130) is provided on the front surface of the electronic device, and a partial area of ​​the display is deformed by the rotation of the second shell relative to the first shell; A first magnet (210, 310) is arranged in the first housing; as well as A second magnet (220, 320) is arranged in the second housing and does not correspond to the first magnet when the electronic device is in a folded state, and the second magnet is configured to exert an attractive force on the first magnet. wherein the first magnet comprises a first boundary surface (211) separating different poles and inclined at a first angle (θ1) relative to the folding axis, wherein the second magnet comprises a second boundary surface (221) separating different poles and inclined at a second angle (θ2) relative to the folding axis, and Wherein, the first boundary surface and the second boundary surface face each other.

2. The electronic device according to claim 1, wherein A first axis (C1) passing through different poles of the first magnet and perpendicular to the display and a second axis (C2) passing through different poles of the second magnet and perpendicular to the display do not coincide with each other, wherein the intensity of the first magnetic field (M1) generated by the first magnet becomes stronger toward the first axis, and The intensity of the second magnetic field (M2) generated by the second magnet becomes stronger toward the second axis.

3. The electronic device according to claim 1, wherein: The first boundary surface or the second boundary surface is parallel to the folding axis.

4. The electronic device according to claim 1, further comprising: A third magnet (230) is arranged in the first housing and is located in a first direction relative to the first magnet, the third magnet comprising: A third boundary surface (231) separates different poles and is inclined at a third angle (θ3) relative to the folding axis to face the second boundary surface, and the third magnet is configured to generate an attractive force with the second magnet.

5. The electronic device according to claim 4, wherein: The third angle of the third boundary surface is greater than the first angle of the first boundary surface.

6. The electronic device according to claim 4, wherein: One of the first boundary surface, the second boundary surface, and the third boundary surface is parallel to the folding axis.

7. The electronic device according to claim 5, wherein: The first angle, the second angle, and the third angle are inclined relative to the folding axis so as to maximize the attractive force between the first magnet and the second magnet and the attractive force between the second magnet and the third magnet.

8. The electronic device according to claim 5, further comprising: A fourth magnet (240) is arranged in the second housing and is located in a second direction opposite to the first direction relative to the first magnet, the fourth magnet comprising: a fourth boundary surface (241) separating different poles and inclined at a fourth angle (θ4) relative to the folding axis to face the first boundary surface, And the fourth magnet is configured to generate an attractive force with the first magnet and the second magnet.

9. The electronic device according to claim 8, wherein: The fourth angle of the fourth boundary surface is greater than the second angle of the second boundary surface.

10. The electronic device according to claim 8, wherein: One of the first boundary surface, the second boundary surface, the third boundary surface, and the fourth boundary surface is parallel to the folding axis.

11. The electronic device according to claim 8, wherein: The first angle, the second angle, the third angle and the fourth angle are inclined relative to the folding axis so as to maximize the attractive force between the first magnet and the second magnet, the attractive force between the first magnet and the fourth magnet, the attractive force between the second magnet and the third magnet, and the attractive force between the second magnet and the fourth magnet.

12. The electronic device according to claim 1, wherein: The first magnet and the second magnet each include a plurality of magnets, and the plurality of magnets are arranged in a Halbach array so that a plurality of magnetic fields are presented on one surface facing the display, and Wherein, the first magnet and the second magnet are arranged so that different poles face each other.

13. The electronic device according to claim 1, wherein: The first magnet and the second magnet are respectively arranged in the first housing and the second housing so as to be adjacent to side surface members (113, 123) constituting a side surface appearance of the electronic device.

14. A magnet assembly arranged in an electronic device (100), wherein a first housing (110) and a second housing (120) are connected to each other so as to be rotatable about a folding axis (F), the magnet assembly comprising: A first magnet (210, 310) is arranged in the first housing; as well as A second magnet (220, 320) is arranged in the second housing, does not correspond to the first magnet when the electronic device is in a folded state, and generates an attractive force with the first magnet. wherein the first magnet comprises a first boundary surface (211) separating different poles and inclined at a first angle (θ1) relative to the folding axis, wherein the second magnet comprises a second boundary surface (221) separating different poles and inclined at a second angle (θ2) relative to the folding axis, and Wherein, the first boundary surface and the second boundary surface face each other.

15. The magnet assembly of claim 14, wherein: A first axis (C1) passing through different poles of the first magnet and perpendicular to the display (130) and a second axis (C2) passing through different poles of the second magnet and perpendicular to the display do not coincide with each other, wherein the intensity of the first magnetic field (M1) generated by the first magnet becomes stronger toward the first axis, and The intensity of the second magnetic field (M2) generated by the second magnet becomes stronger toward the second axis.

Images