WO2023080436A1 - 힌지 어셈블리를 포함하는 전자 장치 - Google Patents
힌지 어셈블리를 포함하는 전자 장치 Download PDFInfo
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- WO2023080436A1 WO2023080436A1 PCT/KR2022/014059 KR2022014059W WO2023080436A1 WO 2023080436 A1 WO2023080436 A1 WO 2023080436A1 KR 2022014059 W KR2022014059 W KR 2022014059W WO 2023080436 A1 WO2023080436 A1 WO 2023080436A1
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- hinge
- pair
- electronic device
- intermediate member
- housing
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- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
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- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
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- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Definitions
- Various embodiments of the present invention relate to an electronic device including a hinge assembly.
- the flexible display may be used in a flat shape or deformed into a specific shape.
- an electronic device including a flexible display may be implemented in a foldable form capable of being folded or unfolded based on at least one folding axis.
- a hinge assembly is provided between the first housing and the second housing.
- the hinge assembly has a structure that generates force to maintain a specific folded state of the electronic device.
- the hinge assembly may implement this structure using a cam structure and a spring.
- a separate pin member is used in connecting some components rotatably to the bracket.
- the cost of the hinge assembly increases due to an increase in the number of parts, and errors may accumulate, resulting in deterioration in quality of the hinge module.
- an electronic device including a hinge assembly capable of rotatably connecting some components (eg, an intermediate member) to a bracket without using a separate pin member may be provided.
- an electronic device including a hinge assembly having a reduced number of parts and a manufacturing cost and improved productivity and quality may be provided.
- an electronic device may include a display including a first region, a second region, and a folding region between the first region and the second region, a first housing supporting the first region, and the second region.
- an electronic device may include a display including a first region, a second region, and a folding region between the first region and the second region, a first housing supporting the first region, and the second region.
- Two pairs of hinge structures each including a through hole into which the intermediate protrusion is inserted, and overlapping and connected to the intermediate protrusion to be rotatable about the intermediate axis M with respect to the hinge bracket.
- the intermediate protrusion includes a protruding base having a first radius R1 and a head formed with a protrusion having a second radius R2 greater than the first radius R1 on an upper side of the protruding base.
- the through hole may include a shape corresponding to the head.
- some components may be rotatably connected to the bracket without using a separate pin member.
- the number of parts of the hinge assembly may be reduced, and thus manufacturing cost and weight may be reduced.
- the quality of the hinge assembly may be improved by reducing the cumulative error between parts by reducing the number of parts of the hinge assembly.
- FIG. 1 is a block diagram of an electronic device 101 within a network environment 100 according to various embodiments.
- FIG. 2A is a diagram illustrating an unfolded state of the electronic device 200 according to various embodiments of the present disclosure.
- 2B is a diagram illustrating a folded state of the electronic device 200 according to various embodiments of the present disclosure.
- FIG. 2C is a perspective view illustrating an example of an electronic device 200 in an unfolded state or an intermediate partially unfolded state, according to various embodiments of the present disclosure.
- FIG 3 is a front view illustrating a state in which a hinge assembly is applied to an electronic device according to an exemplary embodiment.
- FIG. 4A is a perspective view of a hinge assembly in an unfolded state according to an exemplary embodiment
- FIG. 4B is a front view of a hinge assembly in an unfolded state according to an exemplary embodiment.
- 4C is a rear view of a hinge assembly in an unfolded state according to an exemplary embodiment.
- FIG. 4D is an exploded perspective view of a hinge assembly according to an exemplary embodiment.
- FIG. 4E is a perspective view of a hinge bracket according to an embodiment
- 4F is a front view of an intermediate protrusion according to an embodiment.
- Figure 4g is a perspective view of a hinge structure according to an embodiment.
- 4H is a perspective view of an intermediate member according to an embodiment.
- 4i, 4j, and 4k illustrate a process in which an intermediate member is rotatably connected to a hinge bracket according to an exemplary embodiment.
- 4L is a cross-sectional view taken along line A-A of FIG. 4K.
- Figure 4m shows the forces and torques acting on one of the hinge structures in Figures 4a-4c.
- 4N is a perspective view of an intermediate state of a hinge assembly according to an embodiment.
- 4O is a rear view of an intermediate state of a hinge assembly according to an embodiment.
- Figure 4p shows the forces acting on one hinge structure in Figures 4n and 4o.
- 4Q is a perspective view of a hinge assembly in a folded state according to an embodiment.
- 4R is a rear view of a hinge assembly in a folded state according to an embodiment.
- Figure 4s shows the forces and torques acting on one of the hinge structures in Figures 4q and 4r.
- 4t, 4u, and 4v are rear views schematically illustrating a hinge assembly according to an embodiment, illustrating a process in which both sides are balanced in a situation where one rotation member starts to rotate first.
- 4w, 4x, and 4y are rear views schematically illustrating a hinge assembly according to an exemplary embodiment, illustrating a process in which both sides are balanced in a situation where one rotating member starts rotating first.
- FIG. 5 is a rear view schematically illustrating a hinge assembly according to an exemplary embodiment.
- 6A is a perspective view of an intermediate protrusion according to an embodiment.
- 6B is a cross-sectional view taken along line B-B of FIG. 6A.
- FIG. 7A is a perspective view of a hinge assembly in an unfolded state according to an exemplary embodiment
- FIG. 7B is a front view of a hinge assembly in an unfolded state according to an exemplary embodiment.
- FIG. 7C is a perspective view of a hinge assembly in a folded state according to an embodiment.
- FIG. 7D is an exploded perspective view of a hinge assembly according to an exemplary embodiment.
- FIG. 7E is a perspective view of a hinge bracket according to an embodiment.
- FIG. 7F is an exploded perspective view of a hinge structure according to an embodiment.
- 7g, 7h, and 7i show a state in which the rotating plate and the fixed plate are in surface contact according to an exemplary embodiment.
- FIG. 8 is a rear view schematically illustrating a hinge assembly according to an exemplary embodiment.
- 9A is a front view of a hinge assembly according to one embodiment.
- 9B is a perspective view illustrating a process of connecting a first intermediate member to a hinge bracket according to an embodiment.
- 9C is a perspective view illustrating a process of connecting a second intermediate member to a hinge bracket according to an embodiment.
- 9D is a perspective view illustrating a state in which a first intermediate member and a second intermediate member are connected to a hinge bracket according to an embodiment.
- 9E is a cross-sectional view along line C-C of FIG. 9A.
- 9F is a cross-sectional view along line D-D of FIG. 9A.
- FIG. 1 is a block diagram of an electronic device 101 within a network environment 100 according to various embodiments.
- an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or through a second network 199. It is possible to communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or the antenna module 197 may be included.
- at least one of these components eg, the connection terminal 178) may be omitted or one or more other components may be added.
- some of these components eg, sensor module 176, camera module 180, or antenna module 197) are integrated into one component (eg, display module 160). It can be.
- the processor 120 for example, executes software (eg, the program 140) to cause at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, the processor 120 transfers commands or data received from other components (eg, sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- software eg, the program 140
- the processor 120 transfers commands or data received from other components (eg, sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- the processor 120 may include a main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor).
- a main processor 121 eg, a central processing unit or an application processor
- a secondary processor 123 eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor.
- NPU neural network processing unit
- the secondary processor 123 may be implemented separately from or as part of the main processor 121 .
- the secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
- the auxiliary processor 123 eg, an image signal processor or a communication processor
- the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
- AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself where artificial intelligence is performed, or may be performed through a separate server (eg, the server 108).
- the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning or reinforcement learning, but in the above example Not limited.
- the artificial intelligence model may include a plurality of artificial neural network layers.
- Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the foregoing, but is not limited to the foregoing examples.
- the artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.
- the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101 .
- the data may include, for example, input data or output data for software (eg, program 140) and commands related thereto.
- the memory 130 may include volatile memory 132 or non-volatile memory 134 .
- the program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
- the input module 150 may receive a command or data to be used by a component (eg, the processor 120) of the electronic device 101 from the outside of the electronic device 101 (eg, a user).
- the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
- the sound output module 155 may output sound signals to the outside of the electronic device 101 .
- the sound output module 155 may include, for example, a speaker or a receiver.
- the speaker can be used for general purposes such as multimedia playback or recording playback.
- a receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
- the display module 160 may visually provide information to the outside of the electronic device 101 (eg, a user).
- the display module 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device.
- the display module 160 may include a touch sensor configured to detect a touch or a pressure sensor configured to measure the intensity of force generated by the touch.
- the audio module 170 may convert sound into an electrical signal or vice versa. According to an embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do.
- the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a bio sensor, It may include a temperature sensor, humidity sensor, or light sensor.
- the interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102).
- the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card interface
- audio interface audio interface
- connection terminal 178 may include a connector through which the electronic device 101 may be physically connected to an external electronic device (eg, the electronic device 102).
- the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 179 may convert electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses.
- the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 180 may capture still images and moving images. According to one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 188 may manage power supplied to the electronic device 101 .
- the power management module 188 may be implemented as at least part of a power management integrated circuit (PMIC), for example.
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101 .
- the battery 189 may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.
- the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establishment and communication through the established communication channel may be supported.
- the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
- the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : a local area network (LAN) communication module or a power line communication module).
- a corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, a legacy communication module).
- the wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199.
- IMSI International Mobile Subscriber Identifier
- the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, NR access technology (new radio access technology).
- NR access technologies include high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low latency (URLLC)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low latency
- -latency communications can be supported.
- the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- the wireless communication module 192 uses various technologies for securing performance in a high frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. Technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna may be supported.
- the wireless communication module 192 may support various requirements defined for the electronic device 101, an external electronic device (eg, the electronic device 104), or a network system (eg, the second network 199).
- the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, a loss coverage (eg, 164 eB or less) for realizing mMTC, or a U-plane latency (for realizing URLLC).
- a peak data rate eg, 20 Gbps or more
- a loss coverage eg, 164 eB or less
- a U-plane latency for realizing URLLC
- DL downlink
- UL uplink
- the antenna module 197 may transmit or receive signals or power to the outside (eg, an external electronic device).
- the antenna module 197 may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (eg, PCB).
- the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is selected from the plurality of antennas by the communication module 190, for example. can be chosen A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
- other components eg, a radio frequency integrated circuit (RFIC) may be additionally formed as a part of the antenna module 197 in addition to the radiator.
- RFIC radio frequency integrated circuit
- the antenna module 197 may form a mmWave antenna module.
- the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a lower surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
- peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- signal e.g. commands or data
- commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
- Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
- all or part of operations executed in the electronic device 101 may be executed in one or more external electronic devices among the external electronic devices 102 , 104 , or 108 .
- the electronic device 101 when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself.
- one or more external electronic devices may be requested to perform the function or at least part of the service.
- One or more external electronic devices receiving the request may execute at least a part of the requested function or service or an additional function or service related to the request, and deliver the execution result to the electronic device 101 .
- the electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed.
- cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
- the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 104 may include an internet of things (IoT) device.
- Server 108 may be an intelligent server using machine learning and/or neural networks. According to an embodiment, the external electronic device 104 or server 108 may be included in the second network 199 .
- the electronic device 101 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- 2A is a diagram illustrating an unfolded state of the electronic device 200 according to various embodiments of the present disclosure.
- 2B is a diagram illustrating a folded state of the electronic device 200 according to various embodiments of the present disclosure.
- 2C is a perspective view illustrating an example of the electronic device 200 in a completely unfolded state or an partially unfolded intermediate state, according to various embodiments of the present disclosure.
- the electronic device 200 of FIGS. 2A to 2C is an example of the electronic device 101 shown in FIG. 1 , and may be a foldable or bendable electronic device.
- 2C and subsequent drawings show a spatial coordinate system defined by X, Y, and Z axes orthogonal to each other.
- the X axis may represent the width direction of the electronic device
- the Y axis may represent the length direction of the electronic device
- the Z axis may represent the height (or thickness) direction of the electronic device.
- 'first direction' may mean a direction parallel to the Z-axis.
- an electronic device 200 includes a foldable housing 201 and a flexible or foldable device disposed in a space formed by the foldable housing 201. (eg, the display module 160 of FIG. 1 ).
- the surface on which the display 250 is disposed may be defined as the front surface of the electronic device 200.
- a surface opposite to the front surface may be defined as a rear surface of the electronic device 200 .
- a surface surrounding a space between the front and rear surfaces may be defined as a side surface of the electronic device 200 .
- the foldable housing 201 includes a first housing structure 210, a second housing structure 220 including a sensor area 222, a first rear cover 215, and a second rear surface.
- a cover 225 and a hinge structure 230 may be included.
- the hinge structure 230 may include a hinge cover covering a foldable portion of the foldable housing 201 .
- the foldable housing 201 of the electronic device 200 is not limited to the shape and combination shown in FIGS. 2A and 2B , and may be implemented by other shapes or combinations and/or combinations of parts.
- the first housing structure 210 and the first rear cover 215 may be integrally formed
- the second housing structure 220 and the second rear cover 225 may be integrally formed. can be formed
- the first housing structure 210 is connected to the hinge structure 230 and includes a first surface facing in a first direction and a second surface facing in a second direction opposite to the first direction.
- the second housing structure 220 is connected to the hinge structure 230 and may include a third surface facing in a third direction and a fourth surface facing in a fourth direction opposite to the third direction.
- the second housing structure 220 can rotate relative to the first housing structure 210 about the hinge structure 230 .
- the electronic device 200 may change to a folded state or an unfolded state.
- the first surface of the electronic device 200 may face the third surface in a fully folded state, and the third direction may be in the fully unfolded state. It may be the same as the first direction.
- the first housing structure 210 and the second housing structure 220 may be disposed on both sides of the folding axis A, and have generally symmetrical shapes with respect to the folding axis A. As will be described later, the first housing structure 210 and the second housing structure 220 determine whether the state of the electronic device 200 is an unfolded state, a folded state, or partially unfolded (or Depending on whether they are in an intermediate state (partially folded), the angle or distance they form may vary. According to one embodiment, the second housing structure 220, unlike the first housing structure 210, further includes the sensor area 222 where various sensors are disposed, but the other areas have mutually symmetrical shapes.
- the sensor area 222 may be additionally disposed or replaced in at least a partial area of the second housing structure 220 .
- the sensor area 222 may include a camera hole area, a sensor hole area, an under display camera (UDC) area, and an under display sensor (UDS) area.
- the first housing structure 210 and the second housing structure 220 may together form a recess accommodating the display 250 .
- the recess may have two or more different widths in a direction perpendicular to the folding axis A.
- the recess is formed at the edge of the first portion 210a parallel to the folding axis A of the first housing structure 210 and the sensor region 222 of the second housing structure 220.
- the recess may have a first width w1 between the first portion 220a, and the recess may have a sensor area between the second portion 210b of the first housing structure 210 and the second housing structure 220.
- the second width w2 may be longer than the first width w1.
- the first part 220a and the second part 220b of the second housing structure 220 may have different distances from the folding axis A.
- the width of the recess is not limited to the illustrated example. In another embodiment, the recess may have a plurality of widths due to the shape of the sensor area 222 or the asymmetrical shapes of the first housing structure 210 and the second housing structure 220 .
- the sensor area 222 may be formed to have a predetermined area adjacent to one corner of the second housing structure 220 .
- the arrangement, shape, and size of the sensor area 222 are not limited to the illustrated example.
- the sensor area 222 may be provided in another corner of the second housing structure 220 or an arbitrary area between the top corner and the bottom corner.
- components for performing various functions embedded in the electronic device 200 are electronically transmitted through the sensor area 222 or through one or more openings provided in the sensor area 222. It may be exposed on the front surface of the device 200 .
- the components may include various types of sensors.
- the sensor may include, for example, at least one of a front camera, a receiver, and a proximity sensor.
- the sensor area 222 in the second housing structure 220 may be omitted or may be formed at a location different from that shown in the drawings.
- At least a portion of the first housing structure 210 and the second housing structure 220 may be formed of a metal material or a non-metal material having a rigidity of a size selected to support the display 250 .
- At least a portion formed of the metal material may provide a ground plane of the electronic device 200, and is electrically connected to a ground line formed on a printed circuit board disposed inside the foldable housing 201. can be connected
- the first rear cover 215 is disposed on one side of the folding axis A on the rear side of the electronic device 200 and has, for example, a substantially rectangular periphery. The edge may be surrounded by the first housing structure 210 .
- the second rear cover 225 may be disposed on the other side of the folding axis A on the rear side of the electronic device 200, and its edge may be wrapped by the second housing structure 220. .
- the first rear cover 215 and the second rear cover 225 may have substantially symmetrical shapes around the folding axis (A).
- the first rear cover 215 and the second rear cover 225 do not necessarily have symmetrical shapes.
- the first rear cover 215 and the second rear cover 225 of the electronic device 200 may have various shapes.
- the first rear cover 215 may be integrally formed with the first housing structure 210
- the second rear cover 225 may be integrally formed with the second housing structure 220. there is.
- the first rear cover 215, the second rear cover 225, the first housing structure 210, and the second housing structure 220 are various parts (eg, : A printed circuit board or a battery) may be formed.
- one or more components may be disposed or visually exposed on the rear surface of the electronic device 200 .
- at least a portion of the sub display may be visually exposed through the first rear area 216 of the first rear cover 215 .
- one or more components or sensors may be visually exposed through the second rear area 226 of the second rear cover 225 .
- the sensor may include a proximity sensor and/or a rear camera.
- the rear camera exposed through may include one or a plurality of lenses, an image sensor, and/or an image signal processor.
- the flash may include, for example, a light emitting diode or a xenon lamp.
- two or more lenses (infrared camera, wide-angle and telephoto lenses) and image sensors may be disposed on one side of the electronic device 200 .
- the hinge cover may be disposed between the first housing structure 210 and the second housing structure 220 to cover internal components (eg, the hinge structure 230).
- the hinge structure 230 is a first housing structure according to a state (an unfolded state, an intermediate state, or a folded state) of the electronic device 200 .
- 210 and part of the second housing structure 220 may be covered or exposed to the outside.
- the hinge structure 230 when the electronic device 200 is in an unfolded state (eg, a fully unfolded state), the hinge structure 230 is a first housing structure ( 210) and the second housing structure 220 may not be exposed.
- FIG. 2B when the electronic device 200 is in a folded state (eg, fully folded state), the hinge structure 230 is the first housing structure 210 And it may be exposed to the outside between the second housing structure 220 .
- the hinge structure 230 is the first housing structure A portion may be exposed to the outside between the structure 210 and the second housing structure 220 .
- the exposed area may be smaller than the completely folded state.
- the hinge structure 230 may include a curved surface.
- the display 250 may be disposed on a space formed by the foldable housing 201 .
- the display 250 is seated on a recess formed by the foldable housing 201 and can be seen from the outside through the front of the electronic device 200 .
- the display 250 may constitute most of the front surface of the electronic device 200 .
- the front surface of the electronic device 200 may include the display 250 and a partial area of the first housing structure 210 adjacent to the display 250 and a partial area of the second housing structure 220 .
- the rear surface of the electronic device 200 includes the first rear cover 215, a partial area of the first housing structure 210 adjacent to the first rear cover 215, the second rear cover 225, and the second rear cover. A portion of the second housing structure 220 adjacent to 225 may be included.
- the display 250 may refer to a display in which at least a partial area may be deformed into a flat or curved surface.
- the display 250 has a folding area 253 and a first area 251 disposed on one side (eg, the left side of the folding area 253 shown in FIG. 2A) based on the folding area 253. ) and a second region 252 disposed on the other side (eg, the right side of the folding region 253 shown in FIG. 2A).
- the division of regions of the display 250 shown in FIG. 2A is just an example, and the display 250 may be divided into a plurality of (eg, four or more or two) regions according to a structure or function.
- the area of the display 250 may be divided by the folding area 203 extending parallel to the folding axis A, but in another embodiment, the display 250 Areas may be divided based on another folding axis (eg, a folding axis parallel to the width direction of the electronic device).
- the display 250 may be combined with or disposed adjacent to a touch panel equipped with a touch sensing circuit and a pressure sensor capable of measuring the intensity (pressure) of a touch.
- a touch panel the display 250 may be combined with or disposed adjacent to a touch panel that detects a stylus pen of an electromagnetic resonance (EMR) method.
- EMR electromagnetic resonance
- the first region 251 and the second region 252 may have generally symmetrical shapes around the folding region 253 .
- the second area 252 may include a notch cut according to the existence of the sensor area 222, but in other areas, the first area 252 may include a notch. It may have a shape symmetrical to that of region 251 .
- the first region 251 and the second region 252 may include a portion having a shape symmetrical to each other and a portion having a shape asymmetrical to each other.
- the edge thickness of the first region 251 and the second region 252 may be formed to be different from that of the folding region 253 .
- the thickness of the edge of the folding region 253 may be smaller than that of the first region 251 and the second region 252 .
- the first region 251 and the second region 252 may have an asymmetrical shape when the first region 251 and the second region 252 are viewed in cross section.
- the edge of the first region 251 may be formed to have a first radius of curvature
- the edge of the second region 252 may be formed to have a second radius of curvature different from the first radius of curvature.
- the first region 251 and the second region 252 may have a symmetrical shape when the first region 251 and the second region 252 are viewed in a cross section.
- first housing structure 210 and the second housing structure 220 according to the state of the electronic device 200 (eg, a folded state, an unfolded state, or an intermediate state) ) and each area of the display 250 will be described.
- the first housing structure 210 and the second housing structure 220 form an angle of 180 degrees and move in the same direction. can be placed facing up.
- the surface of the first area 251 and the surface of the second area 252 of the display 250 form an angle of 180 degrees to each other and may face the same direction (eg, the front direction of the electronic device).
- the folding region 253 may form the same plane as the first region 251 and the second region 252 .
- the first housing structure 210 and the second housing structure 220 may face each other.
- the surface of the first area 251 and the surface of the second area 252 of the display 250 form a narrow angle (eg, between 0 degrees and 10 degrees) and may face each other.
- At least a portion of the folding region 253 may be formed of a curved surface having a predetermined curvature.
- the first housing structure 210 and the second housing structure 220 may be disposed at a certain angle to each other. there is.
- the surface of the first area 251 and the surface of the second area 252 of the display 250 may form an angle greater than that of the folded state and smaller than that of the unfolded state.
- At least a portion of the folding region 253 may be formed of a curved surface having a predetermined curvature, and the curvature at this time may be smaller than that in a folded state.
- FIG. 2C may represent a completely unfolding state of the electronic device 200
- FIG. 2C may represent an intermediate state of partially unfolding the electronic device 200.
- the electronic device 200 may change to a folded state or an unfolded state.
- the electronic device 200 is 'in-folding' in which the front surface of the electronic device 200 is folded to form an acute angle when viewed in the direction of a folding axis (eg, axis A of FIG. 2A ).
- a folding axis eg, axis A of FIG. 2A
- ' and 'out-folding' in which the front surface of the electronic device 200 is folded to form an obtuse angle.
- the electronic device 200 may face the first surface of the first housing structure 210 to the third surface of the second housing structure 220 in a folded state in an in-folding manner.
- the first surface of the first housing structure 210 and the third surface of the second housing structure 220 face the same direction (eg, a direction parallel to the Z axis).
- the second surface of the first housing structure 210 may face the fourth surface of the second housing structure 220 when the electronic device 200 is folded in an out-folding manner.
- the electronic device 200 may include a plurality of hinge axes (eg, two hinge axes parallel to each other including axis A in FIG. 2A and another axis parallel to the axis A), which In this case, the electronic device 200 may be folded in a 'multi-folding' method in which the in-folding method and the out-folding method are combined.
- the hinge axis may be formed in a vertical direction or a horizontal direction when viewing the electronic device 200 from above.
- a plurality of hinge axes may all be arranged in the same direction.
- some hinge axes among the plurality of hinge axes may be arranged in different directions and folded.
- the in-folding type may refer to a state in which the display 250 is not exposed to the outside in a fully folded state.
- the out-folding type may refer to a state in which the display 250 is exposed to the outside in a fully folded state.
- (b) of FIG. 2C shows an intermediate state in which the electronic device 200 is partially unfolded while being in-folded.
- the electronic device 200 is mainly described in a folded state in an in-folding method, but these descriptions also apply to a state in which the electronic device 200 is folded in an out-folding method. It should be noted that it can be
- Electronic devices may be devices of various types.
- the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance.
- a portable communication device eg, a smart phone
- a computer device e.g., a smart phone
- a portable multimedia device e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a camera
- a wearable device e.g., a smart bracelet
- first, second, or first or secondary may simply be used to distinguish that component from other corresponding components, and may refer to that component in other respects (eg, importance or order) is not limited.
- a (eg, first) component is said to be “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively.”
- the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.
- module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeably interchangeable with terms such as, for example, logic, logic blocks, components, or circuits.
- a module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- a storage medium eg, internal memory 136 or external memory 138
- a machine eg, electronic device 101
- a processor eg, the processor 120
- a device eg, the electronic device 101
- the one or more instructions may include code generated by a compiler or code executable by an interpreter.
- the device-readable storage medium may be provided in the form of a non-transitory storage medium.
- the storage medium is a tangible device and does not contain a signal (e.g. electromagnetic wave), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.
- a signal e.g. electromagnetic wave
- the method according to various embodiments disclosed in this document may be included and provided in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- a computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play StoreTM) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- a device-readable storage medium e.g. compact disc read only memory (CD-ROM)
- an application store e.g. Play StoreTM
- two user devices e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- at least part of the computer program product may be temporarily stored or temporarily created in a device-readable storage medium such as a manufacturer's server, an application store server, or a relay server's memory.
- each component (eg, module or program) of the components described above may include a single object or a plurality of objects, and some of the multiple objects may be separately disposed in other components.
- one or more components or operations among the aforementioned components may be omitted, or one or more other components or operations may be added.
- a plurality of components eg modules or programs
- the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. .
- operations performed by modules, programs, or other components are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations are executed in a different order, omitted, or , or one or more other operations may be added.
- FIG 3 is a front view illustrating a state in which a hinge assembly is applied to an electronic device according to an exemplary embodiment.
- an electronic device 300 (eg, the electronic device 101 of FIG. 1 or the electronic device 200 of FIGS. 2A to 2C ) according to an embodiment may be a foldable electronic device. .
- the electronic device 300 may be folded or unfolded around the folding axis A.
- FIG. 3 is exemplary, and the size, shape, structure, and folding axis of the electronic device 300 are not limited thereto.
- the electronic device 300 shown in FIG. 3 includes a folding axis A in the Y-axis direction, which is the long side direction, but the electronic device according to an embodiment has a folding axis along the X-axis direction, which is the short side direction. may also include
- the electronic device 300 includes a housing 310 (eg, the foldable housing 201 of FIGS. 2A to 2C), a display (not shown) (eg, the display module 160 of FIG. 1 or FIG. The display 250 of FIGS. 2A to 2C), the hinge assembly 400, and the sink assembly 320 may be included.
- a housing 310 eg, the foldable housing 201 of FIGS. 2A to 2C
- a display not shown
- the display 250 of FIGS. 2A to 2C the hinge assembly 400
- the sink assembly 320 may be included.
- the housing 310 may form at least a part of the exterior of the electronic device 300 .
- the housing 310 includes a first housing 311 (eg, the first housing structure 210 of FIGS. 2A to 2C ) and a second housing 312 (eg, the second housing structure 220 of FIGS. 2A to 2C ). )) and the hinge housing 313.
- the first housing 311 and the second housing 312 may be connected to each other to be foldable by the hinge assembly 400 .
- the first housing 311 and the second housing 312 determine whether the state of the electronic device 300 is a flat stage or unfolding state, a folding state, or an intermediate state. Depending on the angle or distance formed from each other, it may vary.
- the hinge housing 313 is disposed between the first housing 311 and the second housing 312 to provide a space for mounting internal components (eg, the hinge assembly 400 and/or the sink assembly 320). can
- the hinge housing 313 may be configured to cover the hinge assembly 400 and/or the sink assembly 320 so that the hinge assembly 400 and/or the sink assembly 320 are not exposed to the outside. .
- the first housing 311 and the second housing 312 may provide a space in which the display 250 is disposed.
- the display 250 may be a foldable flexible display.
- the display 250 may include a first area (eg, first area 251 in FIG. 2C ), a second area (eg, second area 252 in FIG. 2C ), and the first area and the second area.
- a folding region eg, the folding region 253 of FIG. 2C ) may be included.
- the first housing 311 may be disposed at a position corresponding to the first area 251 of the display 250 to support the first area 251 of the display 250 .
- the second housing 312 may be disposed at a position corresponding to the second area 252 of the display 250 to support the second area 252 of the display 250 .
- the hinge assembly 400 may be disposed between the first housing 311 and the second housing 312 to connect the first housing 311 and the second housing 312 .
- the hinge structure 230 of FIG. 2B may include a plurality of hinge assemblies 400 .
- the plurality of hinge assemblies 400 may be spaced apart from each other along the folding axis (A) direction.
- four hinge assemblies 400 may be spaced apart along the folding axis A.
- the hinge assembly 400 may implement a folding or unfolding operation of the electronic device 300 .
- the hinge assembly 400 operates between a folded state in which the first region 251 and the second region 252 face each other and an unfolded state in which the first region 251 and the second region 252 do not face each other. can do.
- the hinge assembly 400 may generate force to maintain a specific folded state of the electronic device 300 .
- the hinge assembly 400 may generate force to maintain the electronic device 300 in a folded state.
- the hinge assembly 400 may generate force to maintain the electronic device 300 in an unfolded state.
- the hinge assembly 400 may generate force to maintain the electronic device 300 in an intermediate state. A detailed description of the hinge assembly 400 will be described later.
- the sink assembly 320 may be disposed between the first housing 311 and the second housing 312 to synchronize folding angles of the first housing 311 and the second housing 312.
- the sink assembly 320 may include a bracket 321, a slider 322, and a pair of rotators 323a and 323b.
- the bracket 321 may be disposed between the first housing 311 and the second housing 312 .
- the bracket 321 may be fixedly connected to the hinge housing 313 .
- the slider 322 may be connected to the bracket 321 so as to be movable in the direction of the folding axis A with respect to the bracket 321 .
- each of the pair of rotators 323a and 323b may be connected to the first housing 311 or the second housing 312 and the other side may be connected to the slider 322 .
- the pair of rotators 323a and 323b spirally rotate and the slider 322 moves in the direction of the folding axis A
- folding angles of the first housing 311 and the second housing 312 may be synchronized.
- the structure of the sink assembly 320 is not limited thereto.
- the sink assembly 320 may synchronize folding angles of the first housing 311 and the second housing 312 through a gear structure.
- 4A is a perspective view of a hinge assembly in an unfolded state according to an exemplary embodiment
- 4B is a front view of a hinge assembly in an unfolded state according to an exemplary embodiment
- 4C is a rear view of a hinge assembly in an unfolded state according to an exemplary embodiment
- 4D is an exploded perspective view of a hinge assembly according to an exemplary embodiment
- 4E is a perspective view of a hinge bracket according to an embodiment.
- 4F is a front view of an intermediate protrusion according to an embodiment.
- Figure 4g is a perspective view of a hinge structure according to an embodiment.
- 4H is a perspective view of an intermediate member according to an embodiment.
- the hinge assembly 400 includes a hinge bracket 410, a pair of hinge structures 420a and 420b, an intermediate member 430, and a pair of elastic members 450a. , 450b).
- the hinge bracket 410 may be configured to be fixedly connected to a housing (eg, the housing 310 of FIG. 3 ).
- the hinge bracket 410 may be fixedly connected to a hinge housing (eg, the hinge housing 313 of FIG. 3 ).
- At least a portion of the lower surface (eg, a surface in the -z-axis direction) of the hinge bracket 410 may include a curved surface.
- the lower surface of the hinge bracket 410 may be formed to correspond to the inner shape of the hinge housing 313 .
- At least a portion of an upper surface (eg, a surface in the +z-axis direction) of the hinge bracket 410 may include a flat surface.
- the hinge bracket 410 includes a pair of first rail structures 411a and 411b, an intermediate member placement space 412, a pair of open spaces 413a and 413b, and a pair of bracket fixing holes ( 414a, 414b) and an intermediate protrusion 415.
- the hinge bracket 410 may include a pair of first rail structures 411a and 411b so that the pair of hinge structures 420a and 420b are rotatably coupled to each other.
- the pair of first rail structures 411a and 411b at least a portion of a cross section is formed in an arc shape from an upper surface (eg, a surface in the +z-axis direction) to a lower surface (eg, a surface in the -z-axis direction).
- the pair of first rail structures 411a and 411b may protrude and form an arc shape at a predetermined angle.
- the first rail structure 411a or 411b is part of both sides (eg, +y side and -y side) of the first rail structure 411a or 411b such that the cross section with respect to the x-z plane protrudes in an arc shape. They may be formed by being relatively depressed.
- the hinge structure 420a or 420b may be connected to the hinge bracket 410 in a direction (eg, a +x-axis direction or a -x-axis direction) perpendicular to a folding axis (eg, the folding axis A of FIG. 3 ).
- the second rail structure 423 formed on the hinge structure 420a or 420b is inserted into the first rail structure 411a or 411b in the +x-axis direction or the -x-axis direction, so that the hinge structure 420a or 420b ) may be connected to the hinge bracket 410.
- the second rail structure 423 of each of the pair of hinge structures 420a and 420b is inserted into the pair of first rail structures 411a and 411b and interlocks with the pair of first rail structures 411a and 411b. It can be.
- the pair of first rail structures 411a and 411b may be formed in a diagonal direction from each other.
- the pair of first rail structures 411a and 411b may be formed to be point symmetric with respect to the center of the hinge bracket 410 .
- one first rail structure 411a may be formed at a position relatively biased in the -x-axis direction and/or the +y-axis direction than the other first rail structure 411b
- the other first rail structure ( 411b) may be formed at a position relatively biased in the +x-axis direction and/or the -y-axis direction than the first rail structure 411a.
- the arc shape of the pair of first rail structures 411a and 411b may define a pair of hinge axes Ha and Hb, respectively.
- arc-shaped centers of the pair of first rail structures 411a and 411b may be defined as a pair of hinge axes Ha and Hb, respectively.
- a pair of hinge axes Ha and Hb may be parallel to the folding axis A.
- the pair of hinge axes Ha and Hb may be spaced apart by a designated interval.
- an intermediate member placement space 412 may be formed near the center of the hinge bracket 410 .
- the intermediate member arrangement space 412 may be formed at the center of the hinge bracket 410 .
- the intermediate member disposition space 412 may be formed by being depressed in a shape corresponding to the outer shape of the central portion 431 of the intermediate member 430 .
- An intermediate member 430 to be described below may be rotatably disposed in the intermediate member disposition space 412 .
- a pair of open spaces 413a and 413b may be formed on both sides of the hinge bracket 410 (eg, -x side and +x side with reference to FIG. 4e).
- the hinge bracket 410 It may be formed on both sides (eg, -x side and +x side based on FIG. 4e).
- the open space 413a or 413b may be a space where at least the elastic member 450a or 450b and/or the extension part 432a or 432b of the intermediate member 430 is disposed.
- the open spaces 413a and 413b may be formed to have a longitudinal direction in the y-axis direction.
- the pair of open spaces 413a and 413b may be formed in a diagonal direction from each other.
- the pair of open spaces 413a and 413b may be formed to be point symmetric with respect to the center of the hinge bracket 410 .
- the pair of open spaces 413a and 413b may communicate with the intermediate member disposition space 412 substantially.
- one open space 413a substantially communicates with the intermediate member arrangement space 412 in the -x-axis direction and/or the +y-axis direction
- the other open space 413b substantially communicates with the +x-axis and/or +y-axis direction.
- it may communicate with the intermediate member disposition space 412 in the -y-axis direction.
- the first connection protrusion 4131a or 4131b may protrude from the open space 413a or 413b in a direction parallel to the hinge axis Ha or Hb.
- one first connection protrusion 4131a protrudes in the +y-axis direction from one open space 413a
- the other first connection protrusion 4131b protrudes in the -y-axis direction from the other open space 413b.
- One end eg, an end in the -y axis direction or an end in the +y axis direction
- the elastic member 450a or 450b may be inserted into and connected to the first connection protrusion 4131a or 4131b.
- the hinge bracket 410 may include a pair of bracket fixing holes 414a and 414b for fixing the hinge bracket 410 to the hinge housing 313 .
- fastening members eg, screws, bolts, pins, and/or mating structures
- a pair of bracket fixing holes 414a and 414b may be formed in a diagonal direction from each other.
- the pair of bracket fixing holes 414a and 414b may be formed to be point symmetric with respect to the center of the hinge bracket 410 when the hinge bracket 410 is viewed from the front.
- one bracket fixing hole 414a may be formed at a position relatively biased in the +x-axis direction and/or the +y-axis direction than the other bracket fixing hole 414b, and the other bracket fixing hole 414b is It may be formed at a position relatively biased in the -x-axis direction and/or -y-axis direction than one bracket fixing hole 414a.
- the pair of bracket fixing holes 414a and 414b may be disposed in a diagonal direction crossing the pair of first rail structures 411a and 411b.
- the intermediate protrusion 415 may protrude from the intermediate member arrangement space 412 in a direction perpendicular to the hinge axis Ha or Hb.
- a direction in which the intermediate protrusion 415 protrudes may be defined as an intermediate axis M.
- the intermediate axis M is positioned between the pair of hinge axes Ha and Hb and may be perpendicular to the pair of hinge axes Ha and Hb.
- the intermediate axis M may be directed in the z-axis direction.
- An intermediate member 430 to be described below may be rotatably connected to the intermediate protrusion 415 .
- the intermediate protrusion 415 may include a protruding base 4151 and a head 4152.
- the protruding base 4151 may protrude from the intermediate member arrangement space 412 of the hinge bracket 410 in the direction of the intermediate axis M.
- the protruding base 4151 may protrude in the +z-axis direction.
- the protrusion base 4151 may be formed in a substantially cylindrical shape.
- the protruding base 4151 may be formed with a first radius R1 around the intermediate axis M.
- at least a part of the outer surface of the protruding base 4151 may not have a cylindrical shape.
- a cutting surface or a cutting groove may be formed on at least a portion of the outer surface of the protruding base 4151 (eg, a lower portion (eg, a -z side portion) of the protrusion 41521 described later) for reasons of a manufacturing process. may be
- the head 4152 may be formed on the upper side of the protruding base 4151.
- the head 4152 may be formed at an upper end of the protruding base 4151 .
- At least a portion of the head 4152 may be formed to have a larger radius than the protruding base 4151 .
- the head 4152 may include a protrusion 41521 having a second radius R2 greater than the first radius R1.
- the protrusion 41521 may be formed so that at least some points have a second radius R2 from the intermediate axis M.
- a chamfer may be formed at a circumferential edge of an upper side (eg, +z direction side) of the head 4152.
- one or a plurality of protrusions 41521 may be formed.
- the protrusions 41521 may be formed as a pair.
- the pair of protrusions 41521a and 41521b may protrude in opposite directions.
- the pair of protrusions 41521a and 41521b may protrude substantially in a direction in which the intermediate member arrangement space 412 communicates with the pair of open spaces 413a and 413b.
- one protrusion 41521a may protrude substantially in the -x-axis direction and the +y-axis direction
- the other protrusion 41521b may protrude substantially in the +x-axis direction and the -y-axis direction.
- the pair of protrusions 41521a and 41521b may protrude in an inclined direction by a designated angle AG1 with respect to the x-axis.
- the angle AG1 at which the direction in which the pair of protrusions 41521a and 41521b protrude inclines with respect to the x-axis is an angle AG1 at which the intermediate member 430 is centered on the intermediate axis M while the hinge assembly 400 operates. It may be larger than the rotated angle (eg, AG2 in FIG. 4c and/or FIG. 4r).
- a direction in which the pair of protrusions 41521a and 41521b protrude may be substantially inclined at 45 degrees with respect to the x-axis.
- the pair of hinge structures 420a and 420b may be rotatably connected with respect to the hinge bracket 410 .
- the pair of hinge structures 420a and 420b may be rotatably connected to the pair of first rail structures 411a and 411b, respectively.
- a pair of hinge structures 420a and 420b may be disposed in a diagonal direction from each other.
- the pair of hinge structures 420a and 420b may be arranged point-symmetrically with respect to the center of the hinge assembly 400 .
- each of the pair of hinge structures 420a and 420b may include a first body 421, a second body 422, a second rail structure 423 and a first cam structure 424. there is.
- the first body 421 may be formed in a plate shape.
- the first body 421 may be configured to be fixedly connected to the first housing (eg, the first housing 311 of FIG. 3 ) or the second housing (eg, the second housing 312 of FIG. 3 ).
- the first body 421 may be disposed parallel to the front surface of the first housing 311 or the second housing 312 (eg, a surface in the +z-axis direction relative to the state of FIG. 3 ).
- At least one housing fixing hole 4211 for fixing the hinge structure 420a or 420b to the first housing 311 or the second housing 312 may be formed in the first body 421 .
- the housing fixing hole 4211 may be formed to pass through the first body 421 in the z-axis direction.
- a fastening member eg, a screw, bolt, pin, and/or a mating structure
- a fastening member eg, a screw, bolt, pin, and/or a mating structure
- 4G shows that three housing fixing holes 4211 are formed, but this is exemplary and the number of housing fixing holes 4211 is not limited thereto.
- the second body 422 may be formed to extend from at least a portion of one end of the first body 421 .
- the second body 422 may be formed extending in the +x-axis direction from at least a portion of the end of the first body 421 in the +x-axis direction.
- the second body 422 may be integrally formed with the first body 421 .
- At least a portion of the cross section of the second body 422 may be formed in an arc shape in a direction from an upper surface (eg, a surface in the +z-axis direction) to a lower surface (eg, a surface in the -z-axis direction).
- at least a portion of a cross section of the second body 422 in the x-z plane may include an arc shape.
- the second rail structure 423 may be formed on the lower side (eg, the -z-axis direction side) of the second body 422 .
- the second rail structure 423 may be formed by being recessed into the second body 422 .
- the second rail structure 423 is the lower end (eg, -z-axis direction end) of the second body 422 such that at least a portion of the lower end (eg, -z-axis direction end) of the second body 422 is opened. ) in the upward direction (eg, +z-axis direction) may be formed.
- At least a portion of the cross section of the second rail structure 423 may be formed in an arc shape in a direction from an upper surface (eg, a surface in the +z-axis direction) to a lower surface (eg, a surface in the -z-axis direction).
- at least a portion of the cross section of the second rail structure 423 in the x-z plane may include an arc shape.
- the arc shape of the second rail structure 423 may correspond to the arc shape of the first rail structure 411a or 411b.
- the hinge structure 420a or 420b may be connected to the hinge bracket 410 such that the first rail structure 411a or 411b is inserted into the second rail structure 423 .
- the second rail structure 423 may rotate around the hinge axis Ha or Hb within a designated angular range along the first rail structure 411a or 411b.
- the hinge structure 420a or 420b in a state in which the first rail structure 411a or 411b is inserted into the second rail structure 423, the hinge structure 420a or 420b has a hinge axis within a specified angular range with respect to the hinge bracket 410. (Ha or Hb).
- the hinge structure 420a or 420b may rotate in an x-z plane about a hinge axis Ha or Hb formed by the first rail structure 411a or 411b and the second rail structure 423. .
- the first rail structure 411a or 411b and the second rail structure 423 allow only rotational movement of the hinge structure 420a or 420b on the x-z plane, and translational movement of the hinge structure 420a or 420b in the other direction and/or Alternatively, rotational motion may be restricted.
- the radially inner portion 4111a or 4111b of the first rail structure 411a or 411b has a relatively larger width (eg, width in the y-axis direction)
- the radially inner portion 4231 of the second rail structure 423 has a relatively larger width than the outer portion 4232 of the second rail structure 423 (eg: width in the y-axis direction).
- first rail structures 411a and 411b protrude and the second rail structure 423 is formed by being recessed
- 411a and 411b may be formed by being depressed, and the second rail structure 423 may be formed by protruding.
- the first cam structure 424 may be formed on one surface of the second body 422 .
- the first cam structure 424 may be formed on a surface of the second body 422 facing the -y axis direction.
- the first cam structure 424 may be formed along an arc centered on the hinge axis Ha or Hb.
- the first cam structure 424 may be formed along the arc shape of the lower side (eg, -z direction side) of the second body 422 .
- the first cam structure 424 may include at least one ridge and/or trough structure.
- the first cam structure 424 may protrude to include a first inclined surface 4241 , a first flat surface 4242 , and a second inclined surface 4243 .
- the intermediate member 430 may be disposed between the pair of hinge structures 420a and 420b.
- the intermediate member 430 may be disposed in the intermediate member arrangement space 412 and connected to the hinge bracket 410 through the intermediate protrusion 415 .
- the intermediate member 430 may be rotatable with respect to the hinge bracket 410 around an intermediate axis M perpendicular to the pair of hinge axes Ha and Hb.
- a pair of second cam structures 434a and 434b interlocking with the first cam structure 424 may be formed at both ends of the intermediate member 430 (eg, ends in the -x-axis direction and ends in the +x-axis direction). there is.
- the intermediate member 430 includes a central portion 431, a pair of extension portions 432a and 432b, a pair of second connecting protrusions 433a and 433b, and a pair of second cam structures 434a, 434b).
- the central portion 431 may be a portion located at the center of the intermediate member 430 .
- the central portion 431 may have a substantially cylindrical shape on an outer circumference.
- a through hole 4311 may be formed in the center of the center 431 .
- the through hole 4311 may pass through the central portion 431 in the z-axis direction.
- the central portion 431 may be disposed in the intermediate member disposition space 412 such that the intermediate protrusion 415 of the hinge bracket 410 is inserted into the through hole 4311 .
- the central portion 431 may be disposed in the intermediate member arrangement space 412 and may be rotatable with respect to the hinge bracket 410 around an intermediate axis M perpendicular to the pair of hinge axes Ha and Hb.
- the central portion 431 may be substantially formed at a height corresponding to that of the protruding base 4151 of the intermediate protrusion 415 (eg, a height in the z-axis direction). According to this configuration, when the intermediate member 430 is inserted into the intermediate protrusion 415, the head 4152 of the intermediate protrusion 415 passes through the through hole 4311 to the upper side of the intermediate member 430 (eg : +z direction side).
- an intermediate protrusion 415 may be inserted into the through hole 4311 .
- the through hole 4311 may have a shape substantially corresponding to the head 4152 of the intermediate protrusion 415 .
- a chamfer may be formed at a lower (eg, -z direction) circumferential edge of the through hole 4311.
- the through hole 4311 may include a main hole 43111 and a depression 43112.
- the main hole 43111 may be a substantially cylindrical hole.
- the main hole 43111 may be formed with a first radius R1.
- a radius of the main hole 43111 may substantially correspond to a radius of the middle protrusion 415 .
- the depression 43112 may be formed by being depressed in a radial direction from the main hole 43111 to have a larger radius than the main hole 43111 .
- the depression 43112 may be formed such that at least some points of the depression 43112 have a second radius R2.
- the number and/or shape of the depressions 43112 may correspond to those of the protrusions 41521 of the intermediate protrusion 415 .
- One or more recessed portions 43112 may be formed.
- the depressions 43112 may be formed as a pair.
- the pair of depressed portions 43112a and 43112b may be depressed to face in opposite directions.
- the pair of depressions 43112a and 43112b may be formed in directions corresponding to the pair of protrusions 41521a and 41521b.
- the pair of extensions 432a and 432b may be portions extending to both sides of the central portion 431 (eg, the -x direction side and the +x direction side).
- one extension portion 432a may extend from the center portion 431 in a -x direction
- the other extension portion 432b may extend from the center portion 431 in a +x direction.
- the pair of extensions 432a and 432b may be formed to be point symmetric with respect to the center.
- one extension part 432a may be formed at a position relatively biased in the -x-axis direction and/or the +y-axis direction than the other extension part 432b, and the other extension part 432b is one extension part.
- the pair of extension portions 432a and 432b may be disposed in the pair of open spaces 413a and 413b, respectively.
- the pair of extensions 432a and 432b may be formed at a height greater than that of the central portion 431 (eg, a height in the z-axis direction).
- the upper surface (eg, the surface in the +z direction) of the central portion 431 eg, the upper surface 4312 in FIG. 4L
- the upper surface 4321a, 4321b eg, : It may be formed to be stepped relatively lower (eg, -z direction side) than the surface in the +z direction).
- the second cam structure 434a or 434b is formed on one surface (eg, +y-axis or -y-axis direction surface) of the extension part 432a or 432b, and the other surface (eg, -y-axis or -y-axis direction surface).
- a second connection protrusion 433a or 433b may be formed on the surface in the +y-axis direction).
- the pair of second connection protrusions 433a and 433b may protrude from one surface of the pair of extensions 432a and 432b.
- the pair of second connecting protrusions 433a and 433b may be formed to be point-symmetric with respect to the center.
- one second connection protrusion 433a protrudes from one surface (eg, a surface in the -y-axis direction) of one extension part 432a
- the other second connection protrusion 433b is the other extension part 432b.
- the other end of the elastic member 450a or 450b eg, an end in the +y-axis direction or an end in the -y-axis direction
- the pair of second cam structures 434a and 434b may protrude from the other surface of the pair of extensions 432a and 432b.
- the pair of second connecting protrusions 433a and 433b may be formed to be point-symmetric with respect to the center.
- the second cam structure 434a or 434b may be formed on a surface opposite to the second connection protrusion 433a or 433b.
- one second cam structure 434a is formed on the other surface (eg, a surface in the +y-axis direction) of one extension part 432a
- the other second cam structure 434b is formed on the other extension part 432b.
- the second cam structure 434a or 434b may be formed along an arc centered on the hinge axis Ha or Hb.
- the second cam structure 434a or 434b may include at least one peak and/or valley structure.
- the second cam structure 434a or 434b may protrude to include a third inclined surface 4341 , a second flat surface 4342 , and a fourth inclined surface 4343 .
- the elastic member 450a or 450b may generate an elastic force.
- the elastic member 450a or 450b may generate an elastic force in a longitudinal direction.
- the elastic members 450a or 450b may be disposed in a direction parallel to the hinge axis Ha or Hb to generate elastic force in the longitudinal direction.
- the elastic member 450a or 450b may be formed in a spring shape with an empty center.
- the elastic member 450a or 450b has one end (eg, -y-axis direction or +y-axis direction end) connected to the first connection protrusion 4131a or 4131b, and the other end (eg, +y-axis direction or -y-axis direction end).
- the axial end may be disposed in the open space 413a or 413b to be connected to the second connection protrusion 433a or 433b.
- one end (eg, -y-axis direction or +y-axis direction end) of the elastic member (450a or 450b) is supported by the hinge bracket 410, and the other end (eg, +y-axis direction or -y-axis direction end) end in the y-axis direction) may be supported by the intermediate member 430 .
- the elastic member 450a or 450b may provide elastic force to the extension 432a or 432b in a direction in which the second cam structure 434a or 434b is pressed toward the first cam structure 424a or 424b.
- one elastic member 450a may press one extension part 432a in the +y-axis direction
- the other elastic member 450b may press the other extension part 432b in the -y-axis direction.
- the elastic force of the elastic member 450a or 450b will generate a torque that rotates the intermediate member 430 in the direction in which the second cam structure 434a or 434b is pressed toward the first cam structure 424a or 424b.
- the second cam structure 434a or 434b and the first cam structure 424a or 424b may be in close contact with each other.
- the elastic member may be formed of a torsion spring generating an elastic force in a rotational direction.
- such an elastic member may be inserted into the intermediate protrusion 415 to generate an elastic force that rotates the intermediate member 430 in one direction (eg, clockwise).
- 4I to 4K illustrate a process of rotatably connecting an intermediate member to a hinge bracket according to an exemplary embodiment.
- 4L is a cross-sectional view taken along line A-A of FIG. 4K.
- the intermediate member 430 may be rotatably connected to the intermediate protrusion 415 of the hinge bracket 410 .
- the intermediate member 430 is to be inserted into the intermediate protrusion 415 in a state in which the shape of the through hole 4311 and the shape of the head 4152 of the intermediate protrusion 415 are aligned to correspond to each other.
- a state in which the shape of the through hole 4311 is aligned to correspond to the shape of the head 4152 of the intermediate protrusion 415 is the protrusion 41521 of the head 4152 and the depression 43112 of the through hole 4311.
- This may mean a state in which positions are aligned with each other.
- the protrusion 41521 of the head 4152 and the depression 43112 of the through hole 4311 are aligned with each other, the protrusion 41521 can pass through the depression 43112, so the intermediate member 430 ) may be inserted into the middle protrusion 415 .
- the intermediate member 430 is inserted into the intermediate protrusion 415, the head 4152 of the intermediate protrusion 415 passes through the through hole 4311 to the upper side of the intermediate member 430 (e.g., to the +z direction side). may be exposed.
- the intermediate member 430 in a state in which the intermediate member 430 is inserted into the intermediate protrusion 415, the intermediate member 430 has the shape of the head 4152 and the through hole 4311. They can be rotated relative to the intermediate protrusions 415 so that they are misaligned.
- the state in which the shapes of the head 4152 and the through hole 4311 are misaligned means a state in which the protrusions 41521 of the head 4152 and the depressions 43112 of the through hole 4311 are misaligned. can do.
- the intermediate member 430 may be rotated counterclockwise by a specified angle with respect to the intermediate protrusion 415 .
- the protrusion 41521 of the head 4152 forms the through hole 4311. Since it cannot pass through, the intermediate member 430 can be prevented from departing in the intermediate axis (M) direction (eg, +z-axis direction) with respect to the intermediate protrusion 415 .
- the head 4152 of the intermediate protrusion 415 supports the upper surface 4312 (eg, the surface in the +z direction) of the central portion 431 of the intermediate member 430 from the upper side, so that the intermediate member 430 ) in the +z-axis direction can be prevented.
- the angle at which the protrusion 41521 of the intermediate protrusion 415 is inclined with respect to the x-axis is the intermediate member during the operation of the hinge assembly (eg, the hinge assembly 400 in FIG. 4A).
- 430 is formed larger than the angle at which the intermediate axis M is rotated about the x-axis (eg, AG2 in FIGS. 4C and/or 4R), so that the intermediate member 430 ) can be prevented from being separated from the intermediate protrusion 415 .
- the hinge assembly 400 can improve reliability and/or durability.
- Figure 4m shows the forces and torques acting on one of the hinge structures in Figures 4a-4c.
- a force and a torque acting on a hinge structure 420a in an unfolded state of the hinge assembly 400 will be described.
- another hinge structure 420b may also operate in a manner corresponding to one hinge structure 420a.
- the unfolded state of the hinge assembly 400 may mean a completely unfolded state with respect to the hinge bracket 410 of the pair of hinge structures 420a and 420b.
- the first cam structure 424 and the second cam structure 434a may be arranged to be interdigitated with each other.
- the peak portion of the second cam structure 434a may be inserted into the valley portion of the first cam structure 424 .
- the first inclined surface 4241 of the first cam structure 424 and the third inclined surface 4341 of the second cam structure 434a may contact each other.
- the elastic member 450a may provide an elastic force Fs1 to the extension portion 432a of the intermediate member 430 in a direction in which the second cam structure 434a is pressed against the first cam structure 424 .
- the elastic force Fs1 provided by the elastic member 450a may be in the +y-axis direction.
- the intermediate member 430 may be in a state in which the extension 432a is rotated by a predetermined angle (eg, AG2) about the intermediate axis M in a direction in which the extension 432a approaches the hinge structure 420a.
- a predetermined angle eg, AG2
- the intermediate member 430 may be rotated clockwise by a predetermined angle (eg, AG2) about the intermediate axis M.
- the elastic force Fs1 of the elastic member 450a may press the second cam structure 434a with respect to the first cam structure 424 in the +y-axis direction.
- the first cam structure 424 and the second cam structure 434a may apply a reaction force to each other in a direction perpendicular to the inclined surfaces (eg, the first inclined surface 4241 and the third inclined surface 4341) in contact with each other.
- the reaction force Fc1 applied to the first cam structure 424 by the second cam structure 434a may be in a direction perpendicular to the first and third inclined surfaces 4241 and 4341 .
- the reaction force Fc1 applied to the first cam structure 424 by the second cam structure 434a may be in a direction between the +x-axis direction and the +y-axis direction.
- FIG. 4M shows the x-axis direction component Fc1_x of the reaction force Fc1 applied to the first inclined surface 4241 of the first cam structure 424 .
- the x-axis component Fc1_x of the reaction force Fc1 may generate a counterclockwise torque T1 centered on the hinge axis Ha.
- the counterclockwise torque T1 may be a torque in a direction in which the hinge structure 420a is further spread with respect to the hinge bracket 410 .
- the elastic force (Fs1) of the elastic member 450a may act as a torque for unfolding the hinge structure 420a rather more.
- the elastic force Fs1 of the elastic member 450a may act as a kind of open detent to maintain the hinge structure 420a in an unfolded state. Therefore, the hinge structure 420a will begin to fold with respect to the hinge bracket 410 only when a force greater than the open detent is applied, and in a situation where a force greater than the open detent is not applied, the hinge structure 420a is hinged. It can be maintained in an unfolded state with respect to the bracket 410.
- 4N is a perspective view of an intermediate state of a hinge assembly according to an embodiment.
- 4O is a rear view of an intermediate state of a hinge assembly according to an embodiment.
- Figure 4p shows the forces acting on one hinge structure in Figures 4n and 4o.
- the intermediate state of the hinge assembly 400 is a state between the unfolded state and the folded state, and the pair of hinge structures 420a and 420b have an angular range designated around the hinge axes Ha and Hb with respect to the hinge bracket 410 It may mean a state rotated as much as .
- the first cam structure 424 and the second cam structure 434a may be arranged such that flat surfaces are engaged with each other.
- the ridge of the first cam structure 424 and the ridge of the second cam structure 434a may be engaged with each other.
- the first plane 4242 of the first cam structure 424 and the second plane 4342 of the second cam structure 434a may contact each other.
- the elastic member 450a may provide an elastic force Fs2 to the extension portion 432a of the intermediate member 430 in a direction in which the second cam structure 434a is pressed against the first cam structure 424 .
- the elastic force Fs2 provided by the elastic member 450a may be in the +y-axis direction.
- the intermediate member 430 may be rotated by a predetermined angle around the intermediate axis M in a direction in which the extension portion 432a moves away from the hinge structure 420a.
- the intermediate member 430 may be in a state in which the extensions 432a or 432b are disposed parallel to the x-axis direction.
- the elastic force Fs2 of the elastic member 450a may press the second cam structure 434a with respect to the first cam structure 424 in the +y-axis direction.
- the first cam structure 424 and the second cam structure 434a may apply a reaction force to each other in a direction perpendicular to a plane (eg, the first plane 4242 and the second plane 4342) that are in contact with each other.
- the reaction force Fc2 applied to the first cam structure 424 by the second cam structure 434a may be in a direction perpendicular to the first plane 4242 and the second plane 4342 .
- the reaction force Fc2 applied to the first cam structure 424 by the second cam structure 434a may be in the +y-axis direction.
- reaction force Fc2 shows the reaction force Fc2 applied to the first plane 4242 of the first cam structure 424 .
- the reaction force Fc2 since the reaction force Fc2 does not have a component in the x-axis direction or the z-axis direction, it may not generate any torque centered on the hinge axis Ha. Instead, the reaction force Fc2 may act as a normal drag force generating a frictional force between the first plane 4242 and the second plane 4342 . Accordingly, a large frictional force may occur between the first plane 4242 and the second plane 4342 due to the reaction force Fc2 acting perpendicularly to the first plane 4242 and the second plane 4342 .
- the elastic force (Fs2) of the elastic member (450a) can generate a frictional force that prevents the hinge structure (420a) from being unfolded or folded.
- the elastic force Fs2 of the elastic member 450a may act as an intermediate state stopping force for maintaining the hinge structure 420a in the intermediate state. Therefore, the hinge structure 420a will start to be folded or unfolded with respect to the hinge bracket 410 only when a force greater than the intermediate state stopping force is applied, and in a situation where a force greater than the intermediate state stopping force is not applied, the hinge structure ( An intermediate state for the hinge bracket 410 of 420a may be maintained.
- 4Q is a perspective view of a hinge assembly in a folded state according to an embodiment.
- 4R is a rear view of a hinge assembly in a folded state according to an embodiment.
- Figure 4s shows the forces and torques acting on one of the hinge structures in Figures 4q and 4r.
- the folded state of the hinge assembly 400 may mean a state in which the pair of hinge structures 420a and 420b are completely folded with respect to the hinge bracket 410 .
- the first cam structure 424 and the second cam structure 434a may be disposed to be interdigitated with each other.
- the peak portion of the second cam structure 434a may be inserted into the valley portion of the first cam structure 424 .
- the second inclined surface 4243 of the first cam structure 424 and the fourth inclined surface 4343 of the second cam structure 434a may contact each other.
- the elastic member 450a may provide an elastic force Fs3 to the extension portion 432a of the intermediate member 430 in a direction in which the second cam structure 434a is pressed against the first cam structure 424 .
- the elastic force Fs3 provided by the elastic member 450a may be in the +y-axis direction.
- the intermediate member 430 In the process of rotating one hinge structure 420a from an intermediate state to a folded state with respect to the hinge bracket 410, the first cam structure 424 and the second cam structure 434a, which were in frontal contact with each other, flat surfaces In this state, as the elastic member 450a applies the elastic force Fs3 in the +y-axis direction, the intermediate member 430 extends in the direction in which the extension part 432a approaches the hinge structure 420a , it can be rotated by a predetermined angle (eg, dAG2) around the intermediate axis M. For example, when viewing the hinge assembly 400 from the front, the intermediate member 430 may be rotated clockwise by a predetermined angle (eg, AG2) about the intermediate axis M.
- a predetermined angle eg, AG2
- the elastic force Fs3 of the elastic member 450a may press the second cam structure 434a with respect to the first cam structure 424 in the +y-axis direction.
- the first cam structure 424 and the second cam structure 434a may apply a reaction force to each other in a direction perpendicular to the inclined surfaces (eg, the second inclined surface 4243 and the fourth inclined surface 4343) in contact with each other.
- the reaction force Fc3 applied to the first cam structure 424 by the second cam structure 434a may be in a direction perpendicular to the second inclined surface 4243 and the fourth inclined surface 4343 .
- the reaction force Fc3 applied to the first cam structure 424 by the second cam structure 434a may be in a direction between a -x axis direction and a +y axis direction.
- FIG. 4S shows the x-axis direction component Fc3_x of the reaction force Fc3 applied to the second inclined surface 4243 of the first cam structure 424 .
- the x-axis component Fc3_x of the reaction force Fc3 may generate a clockwise torque T3 centered on the hinge axis Ha.
- the clockwise torque T3 may be a torque in a direction in which the hinge structure 420a is further folded with respect to the hinge bracket 410 .
- the elastic force Fs3 of the elastic member 450a may act as a torque to further fold the hinge structure 420a.
- the elastic force Fs3 of the elastic member 450a may act as a kind of close detent for maintaining the hinge structure 420a in a folded state. Therefore, the hinge structure 420a will start to unfold with respect to the hinge bracket 410 only when a force greater than the close detent is applied, and the hinge structure 420a will begin to unfold with respect to the hinge bracket 410 when a force greater than the close detent is applied. It can be maintained in a folded state with respect to the bracket 410 .
- 4t to 4v are rear views schematically illustrating a hinge assembly according to an exemplary embodiment, illustrating a process in which both sides are balanced in a situation where one rotating member starts rotating first.
- 4t shows a state in which a pair of hinge structures 420a and 420b are rotated at the same angle.
- reaction forces Fca1 and Fcb1 acting between the first cam structures 424a and 424b and the second cam structures 434a and 434b on both sides are equal to each other, so that a balance can be achieved.
- 4U shows a state in which one hinge structure 420b first starts to rotate around the hinge axis Hb.
- the rotation angle of one hinge structure 420b may be synchronized with the rotation angle of another hinge structure 420a by a sink assembly (eg, the sink assembly 320 of FIG. 3 ).
- the first cam structure 424a in the other hinge structure 420a is greater than the reaction force Fcb2 between the first cam structure 424b and the second cam structure 434b in one hinge structure 420b that has started to rotate first. ) and the reaction force Fca2 between the second cam structure 434a may be relatively small.
- reaction forces Fca2 and Fcb2 between the first cam structures 424a and 424b and the second cam structures 434a and 434b on both sides may be temporarily unbalanced.
- FIG. 4V shows a state in which the other hinge structure 420a is rotated around the hinge axis Ha in order to resolve the reaction force imbalance.
- the reaction force Fca2 is relatively smaller.
- Other hinge structure 420a Since the rotational resistance is weaker than that of one hinge structure 420b on which the reaction force Fcb2 is relatively larger, the other hinge structure 420a rotates along the hinge axis Ha until the reaction forces Fca3 and Fcb3 on both sides are balanced. can be rotated around the center. As a result, the other hinge structure 420a may be rotated about the hinge axis Ha until an angle equal to the rotation angle of the one hinge structure 420b is achieved.
- the reaction forces Fca3 and Fcb3 on both sides may be balanced with each other, as shown in FIG. 4V.
- the hinge assembly 400 according to an embodiment since the pair of hinge structures 420a and 420b interlock with each other through the intermediate member 430, even if one hinge structure 420b starts to rotate first, the middle The other hinge structure 420a may be rotated compensatoryly via the member 430 . Therefore, the hinge assembly 400 according to an embodiment can supplement the sink assembly 320 by reducing the rotation angle imbalance of the pair of hinge structures 420a and 420b by itself, and as a result, the pair of hinge structures 420a and 420b The rotational motion of (420a, 420b) can be implemented smoothly.
- 4w to 4y are rear views schematically illustrating a hinge assembly according to an exemplary embodiment, illustrating a process in which both sides are balanced in a situation where one rotating member starts to rotate first.
- 4w shows a state in which the pair of hinge structures 420a and 420b are rotated at the same angle.
- reaction forces Fca1 and Fcb1 acting between both first cam structures 424a and 424b and second cam structures 434a and 434b are equal to each other, so that a balance can be achieved.
- 4x shows a state in which one hinge structure 420b first starts to rotate about the hinge axis Hb. While the first cam structure 424b of one hinge structure 420b, which has started to rotate, pushes the second cam structure 434b, the through hole of the intermediate member 430 (for example, the through hole 4311 of FIG. 4H ) )) and the hinge bracket (eg, the hinge bracket 410 of FIG.
- the intermediate member 430 is unidirectional (eg, +x direction) can be pushed.
- the first cam structure 424a and the second cam structure 434a in the other hinge structure 420a interfere with each other, the first cam structure 424a in the other hinge structure 420a and The reaction force Fca2 between the second cam structures 434a may be greater than the reaction force Fcb2 between the first cam structure 424b and the second cam structure 434b in one hinge structure 420b.
- FIG. 4y shows a state in which the intermediate member 430 is rotated in one direction (eg, clockwise direction) about a new intermediate axis M′ in order to resolve the reaction force imbalance.
- the intermediate member 430 can be rotated clockwise about the new intermediate axis M′ until the reaction forces between Fca3 and Fcb3 are equal.
- the reaction forces Fca3 and Fcb3 on both sides may be balanced with each other, as shown in FIG. 4y.
- the hinge assembly 400 according to an embodiment since the pair of hinge structures 420a and 420b interlock with each other through the intermediate member 430, the situation in which one hinge structure 420b starts to rotate first Even in , the reaction forces Fca3 and Fcb3 on both sides can be balanced with each other. Therefore, the hinge assembly 400 according to an embodiment can prevent an imbalance of reaction force between the pair of hinge structures 420a and 420b, and as a result, the rotational motion of the pair of hinge structures 420a and 420b is smoothly implemented. It can be.
- the intermediate member 430 is rotated about an intermediate axis M between a pair of hinge structures 420a and 420b, so that the hinge structure 420a or Since the rotational motions of 420b) interlock with each other through the intermediate member 430, the folding or unfolding motion of the hinge assembly 400 can be implemented smoothly.
- the hinge assembly 400 by preventing tilting due to a gap between components, it is possible to reduce the thickness and number of parts of the hinge assembly 400, while securing sufficient elasticity of the elastic members 450a or 450b.
- FIG. 5 is a rear view schematically illustrating a hinge assembly according to an exemplary embodiment.
- the pair of second cam structures 534a and 534b may be formed as a separate structure separated from the intermediate member 530 .
- the pair of second cam structures 534a and 534b are the pair of extensions.
- the elastic member 550a or 550b extends the extension 532a or 532b toward the second cam structure 534a or 534b so that the extension 532a or 532b remains in contact with the second cam structure 534a or 534b. can pressurize.
- the elastic member 550a or 550b, the extension 532a or 532b, and the second cam structure 534a or 534b in the longitudinal direction may be provided separately.
- the hinge assembly 500 according to FIG. 5 may operate in substantially the same manner as the hinge assembly 400 described with reference to FIGS. 4A to 4Y.
- 6A is a perspective view of an intermediate protrusion according to an embodiment.
- 6B is a cross-sectional view taken along line B-B of FIG. 6A.
- an intermediate protrusion 615 may include a protrusion base 6151, a head 6152 having a protrusion 61521, and a groove 6153.
- the groove 6153 may be formed by being depressed in at least a part of the outer surface of the protruding base 6151.
- the groove 6153 may be formed along the circumference of the protruding base 6151 .
- one or more grooves 6153 may be formed.
- the plurality of grooves 6153 may be formed to be spaced apart from each other in the direction of the intermediate axis M with respect to the protruding base 6151 .
- two grooves 6153 are shown in FIGS. 6A and 6B , this is exemplary, and the number and/or shape of the grooves 6153 is not limited thereto.
- the lubricant when a lubricant is applied around the protruding base 6151, the lubricant may be inserted into the space formed by the groove 6153 and placed therein.
- lubricants may include grease.
- a lubricant inserted into the groove 6153 can reduce the rotational frictional resistance of the intermediate member (eg, intermediate member 430 in FIG. 4D ) to the intermediate protrusion 615 .
- 7A is a perspective view of a hinge assembly in an unfolded state according to an exemplary embodiment
- 7B is a front view of a hinge assembly in an unfolded state according to an exemplary embodiment
- 7C is a perspective view of a hinge assembly in a folded state according to an embodiment
- 7D is an exploded perspective view of a hinge assembly according to an exemplary embodiment
- 7E is a perspective view of a hinge bracket according to an embodiment
- 7F is an exploded perspective view of a hinge structure according to an embodiment.
- 7g to 7i show states in which the rotating plate and the fixed plate are in surface contact according to an exemplary embodiment.
- a hinge assembly 700 includes a hinge bracket 710, a pair of hinge structures 720a and 720b, an intermediate member 730, and a pair of elastic members 750a. , 750 b) and a fixing plate 760.
- a hinge bracket 710 a pair of hinge structures 720a and 720b, an intermediate member 730, and a pair of elastic members 750a. , 750 b) and a fixing plate 760.
- the hinge bracket 710 includes a pair of first rail structures 711a and 711b, an intermediate member placement space 712, a pair of open spaces 713a and 713b, and a pair of bracket fixing holes ( 714a, 714b) and an intermediate protrusion 715.
- the hinge bracket 710 may include a pair of first rail structures 711a and 711b so that the pair of hinge structures 720a and 720b are rotatably coupled to each other.
- the pair of first rail structures 711a and 711b are formed from an upper surface of the hinge bracket 710 (eg, a surface in the +z-axis direction) to a lower surface of the hinge bracket 710 (eg, a surface in the -z-axis direction). At least a portion of the cross section in the direction may be formed in an arc shape.
- the pair of first rail structures 711a and 711b may be formed by being depressed in an arc shape of a predetermined angle.
- the first rail structure 711a or 711b may be formed by being depressed from an upper side (eg, +z side) to a lower side (eg, -z side) such that a cross section with respect to the x-z plane is formed in an arc shape.
- At least a portion of the hinge structure 720a or 720b is perpendicular to the folding axis (eg, the folding axis A of FIG. 3) (eg, the +x-axis direction or the -x-axis direction) of the first rail structure 711a or 711b).
- the second rail structure 7213 of each of the pair of hinge structures 720a and 720b is inserted into the pair of first rail structures 711a and 711b, and the pair of first rail structures 711a, 711b).
- the pair of first rail structures 711a and 711b may be formed in a diagonal direction from each other.
- the pair of first rail structures 711a and 711b may be formed to be point symmetric with respect to the center of the hinge bracket 710 .
- one first rail structure 711a may be formed at a position relatively biased in the -x-axis direction and/or -y-axis direction than the other first rail structure 711b, and the other first rail structure ( 711b) may be formed at a position relatively biased in the +x-axis direction and/or the +y-axis direction than the first rail structure 711a.
- the arc shape of the pair of first rail structures 711a and 711b may define a pair of hinge axes Ha and Hb, respectively.
- arc-shaped centers of the pair of first rail structures 711a and 711b may be defined as a pair of hinge axes Ha and Hb, respectively.
- a pair of hinge axes Ha and Hb may be parallel to the folding axis A.
- the pair of hinge axes Ha and Hb may be spaced apart by a designated interval.
- an intermediate member arrangement space 712 and an intermediate protrusion 715 may be formed near the center of the hinge bracket 710 .
- a detailed description of the intermediate member disposition space 712 and the intermediate protrusion 715 is the intermediate member disposition space 412 and the intermediate protrusion of the hinge assembly 400 described with reference to FIGS. 4A to 4Y unless otherwise stated ( 415) shall be applied mutatis mutandis.
- a pair of open spaces 713a and 713b may be formed on both sides (eg, -x side and +x side) of the hinge bracket 710 .
- a pair of open spaces 713a and 713b may be formed on both sides (eg, -x side and +x side) of the hinge bracket 710 when viewing the hinge bracket 710 from the front.
- the open spaces 713a and 713b are spaces for disposing at least the elastic members 750a or 750b, the extensions of the intermediate member 730 (eg, the extensions 432a or 432b of FIG. 4H) and the fixing plate 760.
- at least some of the open spaces 713a and 713b may be formed to have a longitudinal direction in the y-axis direction.
- the pair of open spaces 713a and 713b may be formed in a diagonal direction from each other.
- the pair of open spaces 713a and 713b may be formed to be point symmetric with respect to the center of the hinge bracket 710 when the hinge bracket 710 is viewed from the front.
- the first connection protrusion 7131a or 7131b may protrude from the open space 713a or 713b in a direction parallel to the hinge axis Ha or Hb.
- one first connection protrusion 7131a protrudes in the +y-axis direction from one open space 713a
- the other first connection protrusion 7131b protrudes in the -y-axis direction from the other open space 713b.
- One end (eg, an end in the -y axis direction or an end in the +y axis direction) of the elastic member 750a or 750b may be inserted into and connected to the first connection protrusion 7131a or 7131b.
- the protruding pins 7132a or 7132b may protrude from the open space 713a or 713b in a direction parallel to the hinge axis Ha or Hb.
- the protruding pins 7132a or 7132b may be formed in a longitudinal direction (eg, a y-axis direction) parallel to the hinge axis Ha or Hb.
- the protruding pin 7132a or 7132b may protrude in a direction facing the first connection protrusion 7131a or 7131b.
- one protruding pin 7132a may protrude in the +y-axis direction from one open space 713a, and the other protruding pin 7132b may protrude in the -y-axis direction from the other open space 713b.
- the protruding pin 7132a or 7132b may have an arc shape in cross section.
- the cross section of the protruding fin 7132a or 7132b with respect to the x-z plane may include an arc shape.
- the arc shape of the protruding pin 7132a or 7132b may be an arc shape centered on the hinge axes Ha and Hb.
- the shape of the protruding pin 7132a or 7132b is not limited thereto.
- the protruding pins 7132a or 7132b may be formed in a circular bar shape.
- At least one fixed plate 760 and at least one rotation plate 723 may be inserted into the protruding pin 7132a or 7132b.
- the hinge bracket 710 may include a pair of bracket fixing holes 714a and 714b for fixing the hinge bracket 710 to the hinge housing (eg, the hinge housing 313 of FIG. 3 ).
- fastening members eg, screws, bolts, pins, and/or mating structures
- a pair of bracket fixing holes 714a and 714b may be formed in a diagonal direction from each other.
- the pair of bracket fixing holes 714a and 714b may be formed to be point symmetric with respect to the center of the hinge bracket 710 when the hinge bracket 710 is viewed from the front.
- one bracket fixing hole 714a may be formed at a position relatively biased in the +x-axis direction and/or -y-axis direction than the other bracket fixing hole 714b, and the other bracket fixing hole 714b is It may be formed at a position relatively biased in the -x-axis direction and/or the +y-axis direction than the bracket fixing hole 714a.
- the pair of bracket fixing holes 714a and 714b may be disposed in a diagonal direction crossing the pair of first rail structures 711a and 711b.
- the pair of hinge structures 720a and 720b may be rotatably connected with respect to the hinge bracket 710 .
- the pair of hinge structures 720a and 720b may be rotatably connected to the pair of first rail structures 711a and 711b, respectively.
- a pair of hinge structures 720a and 720b may be disposed in a diagonal direction from each other.
- the pair of hinge structures 720a and 720b may be arranged point-symmetrically with respect to the center of the hinge assembly 700 .
- each of the pair of hinge structures 720a and 720b includes a first part 721, a second part 722, a rotation plate 723, a spacer 724 and a second alignment pin 725.
- the first part 721 may be rotatably connected to the first rail structure 711a or 711b of the hinge bracket 710 .
- the first part 721 may be coupled to a first housing (eg, the first housing 311 of FIG. 3 ) or a second housing (eg, the second housing 312 of FIG. 3 ).
- the first part 721 may include a first body 7211 , a second body 7212 , a second rail structure 7213 and an alignment pin 7214 .
- the first body 7211 may be formed in a plate shape.
- the first body 7211 may be configured to be fixedly connected to the first housing (eg, the first housing 311 of FIG. 3 ) or the second housing (eg, the second housing 312 of FIG. 3 ).
- the first body 7211 may be disposed parallel to the front surface of the first housing 311 or the second housing 312 (eg, a surface in the +z-axis direction based on the state of FIG. 3 ).
- At least one housing fixing hole 72111 for fixing the hinge structure 720a or 720b to the first housing 311 or the second housing 312 may be formed in the first body 7211 .
- the housing fixing hole 72111 may be formed to penetrate the first body 7211 in the z-axis direction.
- a fastening member eg, a screw, bolt, pin, and/or a mating structure
- a fastening member eg, a screw, bolt, pin, and/or a mating structure
- FIG. 7F shows that two housing fixing holes 72111 are formed, this is exemplary and the number of housing fixing holes 72111 is not limited thereto.
- the second body 7212 may extend from at least a portion of one end of the first body 7211.
- the second body 7212 may extend in the -x-axis direction from at least a portion of an end portion of the first body 7211 in the -x-axis direction.
- the second body 7212 may be integrally formed with the first body 7211 .
- At least a portion of the cross section of the second body 7212 may be formed in an arc shape in a direction from an upper surface (eg, a surface in the +z-axis direction) to a lower surface (eg, a surface in the -z-axis direction).
- at least a portion of a cross section of the second body 7212 in the x-z plane may include an arc shape.
- the second rail structure 7213 may be formed on the lower side (eg, on the -z-axis direction side) of the second body 7212 .
- the second rail structure 7213 may protrude from the second body 7212 .
- At least a portion of the cross section of the second rail structure 7213 may be formed in an arc shape from an upper surface (eg, a surface in the +z-axis direction) to a lower surface (eg, a surface in the -z-axis direction).
- at least a portion of the cross section of the second rail structure 7213 in the x-z plane may include an arc shape.
- the arc shape of the second rail structure 7213 may correspond to the arc shape of the first rail structure 711a or 711b.
- the hinge structure 720a or 720b may be connected to the hinge bracket 710 such that the second rail structure 7213 is inserted into the first rail structure 711a or 711b.
- the second rail structure 7213 may rotate around the hinge axis Ha or Hb within a designated angular range along the first rail structure 711a or 711b. According to this structure, in a state where the second rail structure 7213 is inserted into the first rail structure 711a or 711b, the hinge structure 720a or 720b rotates with respect to the hinge bracket 710 within a specified angular range.
- the hinge structure 720a or 720b can rotate in the x-z plane about a hinge axis Ha or Hb formed by the first rail structure 711a or 711b and the second rail structure 7213.
- the first rail structure 711a or 711b and the second rail structure 7213 allow only rotational movement of the hinge structure 720a or 720b on the x-z plane, and translational movement of the hinge structure 720a or 720b in the other direction and/or Alternatively, rotational motion may be restricted.
- the outer portion in the radial direction of the first rail structure 711a or 711b is formed stepwise with a relatively larger width (eg, width in the y-axis direction) than the inner portion, and the radius of the second rail structure 7213
- the outer portion of the reflection may be formed stepwise with a relatively larger width (eg, a width in the y-axis direction) than the inner portion.
- the pair of first rail structures 711a and 711b are formed by being depressed and the second rail structure 7213 is formed by protruding, this is exemplary, and the pair of first rail structures 7213 are protruding.
- 711a and 711b may be formed by being depressed, and the second rail structure 7213 may be formed by protruding.
- a first alignment pin 7214 and a first alignment hole 7215 may be formed in the first body 7211 .
- the first alignment pin 7214 and the first alignment hole 7215 may be components for aligning and connecting the second part 722, the rotation plate 723, and the spacer 724 to the first part 721.
- the first alignment pin 7214 and the first alignment hole 7215 may be formed at an end of the first body 7211 in the -y axis direction.
- the first alignment pin 7214 may protrude from one end (eg, -y-axis direction) of the first body 7211 in a longitudinal direction (eg, -y-axis direction).
- a direction in which the first alignment pin 7214 extends may be parallel to the hinge axis Ha or Hb.
- the second part 722 , the rotation plate 723 , and the spacer 724 may be inserted into the first alignment pin 7214 .
- the first alignment hole 7215 may be formed by being depressed in an inward direction (eg, a +y-axis direction) at one end (eg, an end in the -y-axis direction) of the first body 7211 .
- a direction in which the first alignment hole 7215 is depressed may be parallel to the hinge axis Ha or Hb.
- a second alignment pin 725 may be inserted into the first alignment hole 7215 .
- the first alignment pins 7214 and the first alignment holes 7215 may be spaced apart from each other by a specified interval.
- the second part 722 may be a separate component formed separately from the first part 721 .
- the second part 722 may be connected to one end of the first part 721 by the first alignment pin 7214 and the second alignment pin 725 .
- the second part 722 may be connected to the first body 7211 of the first part 721 so as to be disposed opposite to the second body 7212 .
- the second part 722 may be connected to an end of the first part 721 in the -y axis direction so as to be disposed on the opposite side of the second body 7212 .
- the second part 722 may include a third body 7221, a fourth body 7222, a first cam structure 7223, a rotation guide groove 7224, and a protrusion guide 7225. there is.
- the third body 7221 may be configured to be connected to the first part 721 .
- a second alignment hole 72211 may be formed in the third body 7221 .
- the second alignment hole 72211 may be formed to pass through the third body 7221 .
- the second alignment hole 72211 may pass through the third body 7221 in the y-axis direction.
- At least one second alignment hole 72211 may be formed.
- the second alignment holes 72211 may be formed as a pair, and the first alignment pins 7214 and the second alignment pins 725 may be respectively inserted.
- the fourth body 7222 may be formed to extend from one end of the third body 7221.
- the fourth body 7222 may be formed to extend in the -x-axis direction from the end of the third body 7221 in the -x-axis direction based on FIG. 7F .
- the fourth body 7222 may be formed in an arc shape of a predetermined angle. In a state where the second part 722 is connected to the first part 721 , the fourth body 7222 may be positioned on the opposite side of the second body 7212 .
- the first cam structure 7223 may be formed on one surface of the fourth body 7222.
- the first cam structure 7223 in a state where the second part 722 is connected to the first part 721, the first cam structure 7223 may be formed on a surface facing the second body 7212 from the fourth body 7222. there is.
- the first cam structure 7223 may be formed on a surface of the fourth body 7222 facing the -y axis direction.
- the first cam structure 7223 may be formed along an arc centered on the hinge axis Ha or Hb.
- the first cam structure 7223 may include at least one peak and/or valley structure.
- the first cam structure 7223 may protrude to include a first inclined surface, a first flat surface, and a second inclined surface.
- the rotation guide groove 7224 may be formed on the other surface of the fourth body 7222.
- the rotation guide groove 7224 may be formed on a surface opposite to the surface on which the first cam structure 7223 is formed.
- the rotation guide groove 7224 is formed on a surface opposite to the surface facing the second body 7212 from the fourth body 7222. It can be.
- the rotation guide groove 7224 may be formed on a surface of the fourth body 7222 facing the -y axis direction.
- the rotation guide groove 7224 may be formed by being depressed along an arc centered on the hinge axis Ha or Hb.
- An end of a protruding pin 7132a or 7132b of the hinge bracket 710 may be inserted into the rotation guide groove 7224 .
- the hinge structure 720a or 720b is rotated about the hinge axis Ha or Hb, the end of the protruding pin 7132a or 7132b moves along the rotation guide groove 7224, so that the second part 722 A relative rotational path for protruding pin 7132a or 7132b can be guided.
- the protruding guide 7225 may protrude from the other surface of the fourth body 7222.
- the protrusion guide 7225 may be formed on the same side as the side where the rotation guide groove 7224 is formed.
- the protruding guide 7225 may protrude in the -y-axis direction from the side of the fourth body 7222 facing the -y-axis direction.
- At least a portion of the cross section of the protruding guide 7225 may be formed in an arc shape from an upper surface (eg, a surface in the +z-axis direction) to a lower surface (eg, a surface in the -z-axis direction).
- the protrusion guide 7225 may have a lower surface (eg, a surface in the -z-axis direction) formed in an arc shape centered on the hinge axis Ha or Hb.
- the lower surface (eg, the surface in the -z-axis direction) of the protruding guide 7225 is seated on the guide seating portion 72322 of the rotating plate 723, and the relative positions of the second part 722 and the rotating plate 723 can be sorted.
- the lower surface of the protruding guide 7225 (eg, the surface in the -z-axis direction) may rotate while contacting along the arc-shaped upper surface (eg, the surface in the +z-axis direction) of the fixed plate 760, A rotation path of the second part 722 relative to the fixing plate 760 may be guided.
- the rotation plate 723 may be formed in a plate shape. At least one rotating plate 723 may be provided. The rotation plate 723 may be connected to one end of the second part 722 by the first alignment pins 7214 and the second alignment pins 725 . For example, the rotation plate 723 may be connected to an end of the second part 722 in the -y axis direction based on FIG. 7F .
- the rotating plate 723 may include a first part 7231 and a second part 7232.
- the first part 7231 may be a part corresponding to the third body 7221 of the second part 722 .
- a third alignment hole 72311 may be formed in the first portion 7231 .
- the third alignment hole 72311 may be formed to pass through the first portion 7231 .
- the third alignment hole 72311 may pass through the first portion 7231 in the y-axis direction.
- At least one third alignment hole 72311 may be formed.
- the third alignment holes 72311 may be formed as a pair, and the first alignment pins 7214 and the second alignment pins 725 may be respectively inserted.
- the second part 7232 may be a part corresponding to the fourth body 7222 of the second part 722 .
- the second portion 7232 may be formed to extend from one end of the first portion 7231 .
- the second portion 7232 may be formed to extend in the -x-axis direction from the end of the first portion 7231 in the -x-axis direction based on FIG. 7F .
- the second portion 7232 may be formed in an arc shape of a predetermined angle.
- a rotation guide hole 72321 may be formed in the second part 7232.
- the rotation guide hole 72321 may be formed to pass through the second part 7232 .
- the rotation guide hole 72321 may pass through the second portion 7232 in the y-axis direction.
- the rotation guide hole 72321 may be formed along an arc centered on the hinge axis Ha or Hb.
- a protruding pin 7132a or 7132b of the hinge bracket 710 may be inserted into the rotation guide hole 72321 .
- the protrusion pin 7132a or 7132b moves along the rotation guide hole 72321, so that the protrusion pin of the rotation plate 723 ( A relative rotation path relative to 7132a or 7132b) can be guided.
- a guide seating portion 72322 may be formed on the second portion 7232.
- the guide seating portion 72322 may be formed by recessing an upper surface (eg, a surface in the +z-axis direction) of the second part 7232 .
- the guide seating portion 72322 may be formed in an arc shape centered on the hinge axis Ha or Hb.
- the guide seating portion 72322 may be formed in a shape corresponding to a lower surface (eg, a surface in the -z-axis direction) of the protruding guide 7225 .
- the protrusion guide 7225 of the second part 722 may be seated on the guide seat 72322 .
- the lower surface (eg, the surface in the -z-axis direction) of the protruding guide 7225 is seated on the guide seating portion 72322 of the rotating plate 723, and the relative positions of the second part 722 and the rotating plate 723 can be sorted.
- the spacer 724 may be a portion corresponding to the first portion 7231 of the rotation plate 723 .
- the spacer 724 may be formed in a plate shape.
- a fourth alignment hole 7241 may be formed in the spacer 724 .
- the fourth alignment hole 7241 may be formed to pass through the spacer 724 .
- the fourth alignment hole 7241 may pass through the spacer 724 in the y-axis direction.
- At least one fourth alignment hole 7241 may be formed.
- the fourth alignment hole 7241 may be formed as a pair, and a first alignment pin 7214 and a second alignment pin 725 may be respectively inserted.
- At least one spacer 724 may be provided.
- the rotating plate 723 and the spacer 724 may be alternately connected to one side of the second part 722 .
- the rotating plate 723 and the spacer 724 may be alternately disposed.
- three rotation plates 723 and two spacers 724 may be alternately disposed.
- the second alignment pin 725 may align the positions of the first part 721 , the second part 722 , the rotation plate 723 , and the spacer 724 and connect them to each other.
- the second alignment pin 725 includes the first alignment hole 7215 of the first part 721, the second alignment hole 72211 of the second part 722, and the third alignment hole 72311 of the rotation plate 723. ) and the fourth alignment hole 7241 of the spacer 724 .
- an end of the second alignment pin 725 may be fixedly connected to the first alignment hole 7215 of the first part 721 .
- a screw thread may be formed at an end of the second alignment pin 725 and a screw thread corresponding thereto may be formed in the first alignment hole 7215 of the first part 721 .
- the first part 721 , the second part 722 , the rotation plate 723 , and the spacer 724 may be fixedly connected to each other by the second alignment pin 725 .
- first alignment pin 7214 and the second alignment pin 725 align the positions of the first part 721, the second part 722, the rotation plate 723 and the spacer 724 and can be linked to each other.
- the first alignment pin 7214 and the second alignment pin 725 may have a longitudinal direction (eg, a y-axis direction) parallel to the hinge axis Ha or Hb.
- the first alignment pin 7214 and the second alignment pin 725 are spaced apart from each other, and the x-axis and z-axis between the first part 721, the second part 722, the rotation plate 723, and the spacer 724 Translational movement in the axial direction can be limited, and rotational movement in all directions can be limited.
- the first alignment pins 7214 have been shown and described as integrally formed with the first part 721, this is exemplary, and the first alignment pins 7214, like the second alignment pins 725, are separately formed. It may be provided as a configuration.
- the fixed plate 760 may be formed in a plate shape. At least one fixed plate 760 may be provided.
- a fixing hole 761 may be formed in the fixing plate 760 .
- the fixing hole 761 may be formed to pass through the fixing plate 760 .
- the fixing hole 761 may pass through the plate 760 in the y-axis direction.
- the fixing hole 761 may be formed in an arc shape corresponding to the protruding pin 7213a or 7213b of the hinge bracket 710 .
- the insertion structure of the fixing hole 761 and the protruding pins 7213a or 7213b can limit the translational movement of the fixing plate 760 with respect to the hinge bracket 710 in the x-axis and z-axis directions, and rotation in all directions. Exercise can be restricted.
- At least a portion of an upper surface (eg, a surface in the +z-axis direction) of the fixed plate 760 may be formed in an arc shape.
- an upper surface (eg, a surface in the +z-axis direction) of the fixing plate 760 may be formed in an arc shape centered on the hinge axis Ha or Hb.
- An upper surface (eg, a surface in the +z-axis direction) of the fixing plate 760 may be formed in a shape corresponding to a lower surface (eg, a surface in the -z-axis direction) of the protruding guide 7225 .
- the protruding guide 7225 may be seated on an upper surface (eg, a surface in the +z-axis direction) of the fixing plate 760 .
- the lower surface of the protruding guide 7225 (eg, the surface in the -z-axis direction) is the arc-shaped upper surface of the fixing plate 760 (For example, a surface in the +z-axis direction) may be rotated while contacting, and a relative rotation path of the second part 722 with respect to the fixing plate 760 may be guided.
- the fixed plate 760 and the rotating plate 723 may be alternately disposed.
- the fixed plate 760 and the rotating plate 723 may be alternately disposed along the y-axis direction.
- a thickness of the fixing plate 760 may substantially correspond to a thickness of the spacer 724 .
- three fixed plates 760 and three rotating plates 723 may be alternately disposed along the y-axis direction.
- the number of the fixed plate 760 and the rotating plate 723 is not limited thereto.
- the fixed plate 760 and the rotating plate 723 that are alternately disposed may come into surface contact with each other in at least some areas.
- An elastic force provided by the elastic member 750a or 750b may be perpendicular to the surfaces of the fixed plate 760 and the rotating plate 723 . Accordingly, the elastic force of the elastic member 750a or 750b may act as a vertical drag force generating a frictional force between the fixed plate 760 and the rotating plate 723 . Directions in which the fixed plate 760 and the rotation plate 723 are inserted into the protruding pins 7132a or 7132b may coincide with the direction of the elastic force of the elastic member 750a or 750b.
- the fixed plate 760 and the rotating plate 723 are inserted in the y-axis direction into the protruding pins 7132a or 7132b protruding in the y-axis direction, and the elastic force of the elastic member 750a or 750b is in the y-axis direction.
- the fixed plate 760 and the rotating plate 723 may come into close contact with each other in the y-axis direction by the elastic force of the elastic member 750a or 750b. Accordingly, a large frictional force may occur between the fixed plate 760 and the rotating plate 723 . For example, as shown in FIGS.
- FIG. 8 is a rear view schematically illustrating a hinge assembly according to an exemplary embodiment.
- hinge structures 820a or 820b may be formed to be symmetrical to each other with respect to the x-axis.
- the hinge structure 820a or 820b may include a first body 821a or 821b and a second body extending from one side (eg, a -y direction or +y direction side) of the first body 821a or 821b. 822a or 822b) and a third body 825a or 825b extending from the other side (eg, +y direction or -y direction side) of the first body 821a or 821b.
- a first cam structure 824a or 824b may be formed on the second body 822a or 822b, and a third cam structure 826a or 826b may be formed on the third body 825a or 825b.
- the intermediate members 830 may be provided as a pair.
- the intermediate member 830 may include a first intermediate member 830a and a second intermediate member 830b.
- the first intermediate member 830a and the second intermediate member 830b may be disposed to cross each other.
- the first intermediate member 830a and the second intermediate member 830b share the same intermediate axis M, but may be disposed in a diagonal direction crossing each other.
- the first cam structure 824a of one hinge structure 820a is interlocked with the second cam structure 834a_a of one intermediate member 830a
- the third cam structure of one hinge structure 820a (826a) may be interlocked with one second cam structure (834a_b) of the second intermediate member (830b).
- the first cam structure 824b of the other hinge structure 820b is interlocked with the other second cam structure 834b_a of the first intermediate member 830a
- the third cam structure 826b of the other hinge structure 820b is It may interlock with the other second cam structure 834b_b of the second intermediate member 830b.
- the hinge assembly 800 according to FIG. 8 may operate in substantially the same manner as the hinge assembly 400 described with reference to FIGS. 4A to 4Y. In the case of the hinge assembly 800 according to FIG. 8 , it is possible to generate a greater detent force than the hinge assembly 400 according to FIGS. 4A to 4Y .
- 9A is a front view of a hinge assembly according to one embodiment.
- 9B is a perspective view illustrating a process of connecting a first intermediate member to a hinge bracket according to an embodiment.
- 9C is a perspective view illustrating a process of connecting a second intermediate member to a hinge bracket according to an embodiment.
- 9D is a perspective view illustrating a state in which a first intermediate member and a second intermediate member are connected to a hinge bracket according to an embodiment.
- 9E is a cross-sectional view along line C-C of FIG. 9A.
- 9F is a cross-sectional view along line D-D of FIG. 9A.
- the hinge assembly 900 includes a hinge bracket 910, two pairs of hinge structures 920a, 920b, 920c, and 920d, and a pair of intermediate members 930a and 930b. ) and a pair of elastic members 950a and 950b.
- the hinge bracket 910 may include two pairs of protruding pins 9132a, 9132b, 9132c, and 9132d.
- Two pairs of hinge structures 920a, 920b, 920c, and 920d may be rotatably connected to the two pairs of protruding pins 9132a, 9132b, 9132c, and 9132d, respectively.
- any two hinge structures 920a and 920c are rotatable about a first hinge axis Ha
- the other two hinge structures 920b and 920d are rotatable about a second hinge axis Hb. may be rotated.
- the hinge bracket 910 may include two pairs of rail structures (eg, the first rail structures 711a and 711b of FIG. 7E ), and the two pairs of hinge structures 920a and 920b, 920c, 920d) may be rotatably connected to the two pairs of rail structures.
- an intermediate protrusion 915 may be formed near the center of the hinge bracket 910 .
- a detailed description of the intermediate protrusion 915 will be applied to the description of the intermediate protrusion 415 of the hinge assembly 400 described with reference to FIGS. 4A to 4Y unless otherwise stated.
- the pair of intermediate members 930a and 930b may include central portions 931a and 931b and extension portions 932a and 932b, respectively.
- Through-holes 9311a and 9311b may be formed in the respective central portions 931a and 931b.
- a detailed description of the through-holes 9311a and 9311b will be applied to the description of the through-hole 4311 of the hinge assembly 400 described with reference to FIGS. 4A to 4Y unless otherwise stated.
- the pair of intermediate members 930a and 930b may be rotatably connected to the intermediate protrusion 915 , respectively.
- the pair of intermediate members 930a and 930b may be overlapped and connected to the intermediate protrusion 915 .
- the first intermediate member 930a is disposed relatively lower than the second intermediate member 930b (eg, in the -z direction), and the second intermediate member 930b is disposed on the first intermediate member 930a. It may be disposed relatively higher (eg, on the +z direction side).
- the first intermediate member 930a may be first connected to the intermediate protrusion 915, and the second intermediate member 930b may be connected to the intermediate protrusion 915 upwardly (eg, in the +z direction).
- the pair of intermediate members 930a and 930b may be arranged so that their longitudinal directions cross each other about the intermediate axis M.
- the pair of intermediate members 930a and 930b may intersect in an “X” shape around the intermediate axis M.
- the first intermediate member 930a may be inserted into the intermediate protrusion 915 with the through hole 9311a aligned with the head 9152.
- the first intermediate member 930a inserts the intermediate projection 915 so that the through hole 9311a is misaligned with the head 9152. It can be rotated in one direction (eg, counterclockwise) with respect to .
- the second intermediate member 930b may be inserted into the intermediate protrusion 915 with the through hole 9311b aligned with the head 9152 .
- the second intermediate member 930b moves the intermediate projection 915 so that the through hole 9311b is out of alignment with the head 9152. It can be rotated in one direction (eg, counterclockwise) with respect to . According to this configuration, separation of the pair of intermediate members 930a and 930b from the intermediate protrusion 915 can be prevented.
- this is exemplary, and the direction in which the pair of intermediate members 930a and 930b are rotated to prevent separation after being inserted into the intermediate protrusion 915 is not limited thereto.
- the first intermediate member 930a has an upper surface 9312a (eg, +z direction) of the central portion 931a and an upper surface 9321a (eg, +z direction) of the extension part 932a. surface) may be formed stepwise toward the lower side (e.g., -z direction side).
- the lower surface 9314b eg, the surface in the -z direction
- the lower surface 9322b eg, the surface in the -z direction of the extension part 932b.
- +z direction side may be formed stepwise.
- the sum of the height of the central portion 931a of the first intermediate member 930a (eg, the height in the z direction) and the height of the central portion 931b of the second intermediate member 930b (eg, the height in the z direction) may substantially correspond to the height of the protruding base 9151 (eg, the height of the z-direction up to below the position where the head 91521 is formed).
- the height of the central part 931a of the first intermediate member 930a (eg, the height in the z direction) and the height of the central part 931b of the second intermediate member 930b (eg, the height in the z direction) are respectively protruded. It may be substantially half the height of base 9151.
- the head 9152 of the intermediate protrusion 915 passes through the through holes 9311a and 9311b to It may be exposed to the upper side (eg, +z direction side) of the intermediate members (930a, 930b) of the.
- the extension portion 932a of the first intermediate member 930a and the extension portion 932b of the second intermediate member 930b are located at substantially the same height (eg, height in the z direction). Therefore, the elastic member 950a or 950b may be disposed between the pair of intermediate members 930a and 930b.
- the pair of elastic members 950a and 950b may be disposed between both ends of the pair of intermediate members 930a and 930b.
- the first elastic member 950a is located between one end of the first intermediate member 930a and one end of the second intermediate member 930b
- the second elastic member 950b is the first intermediate member ( It may be located between the other end of 930a) and the other end of the second intermediate member 930b.
- the pair of elastic members 950a and 950b generate an elastic force that rotates the first intermediate member 930a in one direction (eg, counterclockwise) and rotates the second intermediate member 930b.
- An elastic force that rotates in another direction may be generated.
- the hinge assembly 900 according to FIGS. 9A to 9F may operate in substantially the same manner as the hinge assembly 800 described with reference to FIG. 8 .
- the electronic device 300 includes a first region 251, a second region 252, and a folding region 253 between the first region 251 and the second region 252.
- display 250 a first housing 311 supporting the first area 251, a second housing 312 supporting the second area 252, and the first housing 311 and 2 connecting the housing 312, and including a hinge assembly 400 having a pair of hinge axes Ha and Hb, wherein the hinge assembly 400 is connected to the pair of hinge axes Ha and Hb
- a hinge bracket 410 including an intermediate protrusion 415 formed by protruding in the direction of a vertical intermediate axis M, and rotating about the pair of hinge axes Ha and Hb with respect to the hinge bracket 410
- the through hole 4311 is depressed in the main hole 43111 having the first radius R1 and the main hole 43111 having the second radius R2 in the radial direction.
- a recessed portion 43112 may be included.
- the intermediate member 430 may be inserted into the intermediate protrusion 415 in a state in which the shapes of the head 4152 and the through hole 4311 are aligned to correspond to each other.
- the intermediate member 430 when the intermediate member 430 is inserted into the intermediate protrusion 415, the intermediate member 430 is in a state in which the shapes of the head 4152 and the through hole 4311 are misaligned with each other. It can be rotated with respect to the intermediate protrusion 415 as much as possible.
- the shapes of the head 4152 and the through hole 4311 are misaligned, so that the intermediate member 430 is Separation of the intermediate protrusion 415 in the direction of the intermediate axis M may be prevented.
- the same number of protrusions 41521 and depressions 43112 may be formed.
- the protrusions 41521 may be formed as a pair protruding in opposite directions, and the recessed parts 43112 may be formed as a pair recessed in opposite directions.
- the intermediate member 430 includes a central portion 431 rotatably connected with respect to the hinge bracket 410 through which the through hole 4311 is formed, and the intermediate member 431 from the central portion 431.
- a pair of extensions 432a and 432b extending to both sides of the member 430 may be included.
- the upper surface of the central portion 431 may be formed to be relatively stepped lower than the upper surfaces of the extension portions 432a and 432b.
- the intermediate protrusion 415 may further include a groove 6153 formed by being depressed in at least a portion of an outer surface of the protrusion base 4151 .
- the groove 6153 may be formed along the circumference of the protruding base 4151 .
- a plurality of grooves 6153 may be formed, and the plurality of grooves 6153 may be formed spaced apart from the protruding base 4151 in the direction of the intermediate axis M.
- rotational frictional resistance of the intermediate member 430 to the intermediate protrusion 415 may be reduced by disposing a lubricant in the groove 6153 .
- a first cam structure 424 is formed on each of the pair of hinge structures 420a and 420b, and both ends of the intermediate member 430 interlock with the first cam structure 424.
- Second cam structures 434a and 434b may be formed, respectively.
- the intermediate member 430 further includes elastic members 450a and 450b providing elastic force to the intermediate member 430 in a direction in which the intermediate member 430 is rotated in one direction around the intermediate axis M. can do.
- the electronic device 300 includes a first region 251, a second region 252, and a folding region 253 between the first region 251 and the second region 252.
- display 250 a first housing 311 supporting the first area 251, a second housing 312 supporting the second area 252, and the first housing 311 and 2 connecting the housing 312 and including a hinge assembly 900 having a pair of hinge axes Ha and Hb, wherein the hinge assembly 900 is connected to the pair of hinge axes Ha and Hb
- a hinge bracket 910 including an intermediate protrusion 915 formed by protruding in the direction of a vertical intermediate axis M, and rotating about the pair of hinge axes Ha and Hb with respect to the hinge bracket 910
- Two pairs of hinge structures 920a, 920b, 920c, 920d capable of being connected, and a through hole 9311a or 9311b into which the intermediate protrusion 915 is inserted, respectively, with respect to the hinge bracket 910
- each of the pair of intermediate members 930a and 930b has a center portion 931a or 931b rotatably connected with respect to the hinge bracket 910 through which the through hole 9311a or 9311b is formed. , and a pair of extensions 932a or 932b extending from the central portion 931a or 931b to both sides of the intermediate member 930a or 930b.
- the pair of intermediate members 930a and 930b may be disposed such that each longitudinal direction crosses each other with respect to the intermediate axis M.
- the first intermediate member 930a disposed relatively lower among the pair of intermediate members 930a and 930b has an upper surface of the central portion 931a of the first intermediate member 930a.
- a second intermediate member (which is formed stepwise lower than the upper surface of the extension part 932a of the first intermediate member 930a and is relatively disposed on the upper side of the pair of intermediate members 930a and 930b) ( 930b) may be formed so that the lower surface of the central portion 931b of the second intermediate member 930b is stepped upward relative to the lower surface of the extension portion 932b of the second intermediate member 930b.
- a pair of elastic members 950a and 950b disposed between both ends of the pair of intermediate members 930a and 930b may be further included.
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- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Mechanical Engineering (AREA)
- Telephone Set Structure (AREA)
Abstract
Description
Claims (15)
- 전자 장치에 있어서,제1 영역, 제2 영역 및 상기 제1 영역과 제2 영역 사이의 폴딩 영역을 포함하는 디스플레이;상기 제1 영역을 지지하는 제1 하우징;상기 제2 영역을 지지하는 제2 하우징; 및상기 제1 하우징 및 제2 하우징을 연결하고, 한 쌍의 힌지 축을 갖는 힌지 어셈블리를 포함하고,상기 힌지 어셈블리는,상기 한 쌍의 힌지 축에 수직한 중간 축 방향으로 돌출되어 형성되는 중간 돌출부를 포함하는 힌지 브라켓;상기 힌지 브라켓에 대하여 상기 한 쌍의 힌지 축을 중심으로 회전 가능하게 연결되는 한 쌍의 힌지 구조체; 및상기 힌지 브라켓에 대하여 상기 중간 축을 중심으로 회전 가능하도록 상기 중간 돌출부가 삽입되는 관통 홀을 포함하는 중간 부재를 포함하고,상기 중간 돌출부는, 제1 반경을 갖는 돌출 베이스 및 상기 돌출 베이스의 상측에서 상기 제1 반경보다 큰 제2 반경을 갖는 돌기부가 형성된 헤드를 포함하고,상기 관통 홀은 상기 헤드와 대응되는 형상을 포함하는, 전자 장치.
- 제1항에 있어서,상기 관통 홀은,상기 제1 반경을 갖는 메인 홀; 및상기 제2 반경을 갖도록 상기 메인 홀에서 반경 방향으로 함몰되는 함몰부를 포함하는, 전자 장치.
- 제1항에 있어서,상기 중간 부재는 상기 헤드 및 관통 홀의 형상이 서로 대응되게 정렬된 상태로 상기 중간 돌출부에 삽입되는, 전자 장치.
- 제3항에 있어서,상기 중간 부재가 상기 중간 돌출부에 삽입되면, 상기 중간 부재는 상기 헤드 및 관통 홀의 형상이 서로 어긋나게 정렬된 상태가 되도록 상기 중간 돌출부에 대하여 회전되는, 전자 장치.
- 제4항에 있어서,상기 중간 부재가 상기 중간 돌출부에 삽입된 상태에서 상기 헤드 및 관통 홀의 형상이 서로 어긋나게 정렬됨으로써, 상기 중간 부재는 상기 중간 돌출부에 대하여 상기 중간 축 방향으로 이탈이 방지되는, 전자 장치.
- 제2항에 있어서,상기 돌기부 및 함몰부는 동일한 개수로 형성되는, 전자 장치.
- 제6항에 있어서,상기 돌기부는 서로 반대 방향으로 돌출되는 한 쌍으로 형성되고,상기 함몰부는 서로 반대 방향으로 함몰되는 한 쌍으로 형성되는, 전자 장치.
- 제1항에 있어서,상기 중간 부재는,상기 관통 홀이 형성되어 상기 힌지 브라켓에 대하여 회전 가능하게 연결되는 중심부; 및상기 중심부로부터 상기 중간 부재의 양측으로 연장하는 한 쌍의 연장부를 포함하는, 전자 장치.
- 제8항에 있어서,상기 중심부의 상부면은 상기 연장부의 상부면보다 상대적으로 하측으로 단차지게 형성되는, 전자 장치.
- 제1항에 있어서,상기 중간 돌출부는,상기 돌출 베이스의 외면 중 적어도 일부에서 함몰되어 형성되는 그루브를 더 포함하는, 전자 장치.
- 제10항에 있어서,상기 그루브는 상기 돌출 베이스의 둘레를 따라 형성되는, 전자 장치.
- 제11항에 있어서,상기 그루브는 복수 개로 형성되고,상기 복수 개의 그루브는 상기 돌출 베이스에서 상기 중간 축 방향으로 이격되어 형성되는, 전자 장치.
- 제12항에 있어서,상기 그루브에 윤활제가 배치됨으로써 상기 중간 돌출부에 대한 상기 중간 부재의 회전 마찰 저항이 감소되는, 전자 장치.
- 제1항에 있어서,상기 한 쌍의 힌지 구조체 각각에는 제1 캠 구조가 형성되고,상기 중간 부재의 양 단부에는 상기 제1 캠 구조와 연동되는 제2 캠 구조가 각각 형성되는, 전자 장치.
- 제14항에 있어서,상기 중간 부재가 상기 중간 축을 중심으로 일 방향으로 회전되는 방향으로 상기 중간 부재에 탄성력을 제공하는 탄성 부재를 더 포함하는, 전자 장치.
Priority Applications (3)
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CN202280073477.5A CN118202316A (zh) | 2021-11-04 | 2022-09-21 | 包括铰链组件的电子装置 |
EP22890172.4A EP4332723A1 (en) | 2021-11-04 | 2022-09-21 | Electronic device comprising hinge assembly |
US18/078,580 US20230136116A1 (en) | 2021-11-04 | 2022-12-09 | Electronic device with hinge assembly |
Applications Claiming Priority (2)
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KR1020210150590A KR20230064940A (ko) | 2021-11-04 | 2021-11-04 | 힌지 어셈블리를 포함하는 전자 장치 |
KR10-2021-0150590 | 2021-11-04 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US18/078,580 Continuation US20230136116A1 (en) | 2021-11-04 | 2022-12-09 | Electronic device with hinge assembly |
Publications (1)
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WO2023080436A1 true WO2023080436A1 (ko) | 2023-05-11 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100548343B1 (ko) * | 2003-05-12 | 2006-02-02 | 엘지전자 주식회사 | 휴대폰의 카메라 고정 장치 |
KR100803629B1 (ko) * | 2006-08-21 | 2008-02-19 | 피케이텍시스템 주식회사 | 힌지장치 |
KR102200430B1 (ko) * | 2020-06-29 | 2021-01-08 | (주)케이에이치바텍 | 폴더블 디스플레이용 힌지장치 |
KR102279103B1 (ko) * | 2020-11-03 | 2021-07-19 | 노완동 | 링크 힌지 구조 |
KR102298726B1 (ko) * | 2020-06-24 | 2021-09-07 | 주식회사 하이맥 | 휴대단말기용 폴더블 힌지모듈 |
-
2021
- 2021-11-04 KR KR1020210150590A patent/KR20230064940A/ko unknown
-
2022
- 2022-09-21 WO PCT/KR2022/014059 patent/WO2023080436A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100548343B1 (ko) * | 2003-05-12 | 2006-02-02 | 엘지전자 주식회사 | 휴대폰의 카메라 고정 장치 |
KR100803629B1 (ko) * | 2006-08-21 | 2008-02-19 | 피케이텍시스템 주식회사 | 힌지장치 |
KR102298726B1 (ko) * | 2020-06-24 | 2021-09-07 | 주식회사 하이맥 | 휴대단말기용 폴더블 힌지모듈 |
KR102200430B1 (ko) * | 2020-06-29 | 2021-01-08 | (주)케이에이치바텍 | 폴더블 디스플레이용 힌지장치 |
KR102279103B1 (ko) * | 2020-11-03 | 2021-07-19 | 노완동 | 링크 힌지 구조 |
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