WO2022220572A1 - 카메라 모듈 및 이를 포함하는 전자 장치 - Google Patents
카메라 모듈 및 이를 포함하는 전자 장치 Download PDFInfo
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- WO2022220572A1 WO2022220572A1 PCT/KR2022/005332 KR2022005332W WO2022220572A1 WO 2022220572 A1 WO2022220572 A1 WO 2022220572A1 KR 2022005332 W KR2022005332 W KR 2022005332W WO 2022220572 A1 WO2022220572 A1 WO 2022220572A1
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Definitions
- Embodiments disclosed in this document relate to a camera module and an electronic device including the same.
- the camera module may perform an image stabilization function for image correction in response to disturbance.
- the image stabilization function may be implemented by moving the lens to change the position of the light received by the image sensor.
- the camera module may include at least one coil and a magnet for an image stabilization function. The coil to which the current is applied may generate electromagnetic force through electromagnetic interaction with the magnet.
- the camera module may move the lens in the first direction and the second direction.
- the camera module may include a first driving unit related to movement in the first direction and a second driving unit related to movement in the second direction.
- the first driving unit and the second driving unit may be disposed on different surfaces to limit magnetic interference with each other. With such a structure, the size of the camera module may be increased.
- an object of the present invention is to provide a miniaturized camera module by configuring the first driving unit and the second driving unit related to the image stabilization function with a coil and a magnet disposed on one surface.
- a camera module includes: a camera housing including an image sensor; a lens assembly including a lens aligned with the image sensor in an optical axis direction; a first holder coupled to the lens assembly and configured to move with the lens assembly in a first direction perpendicular to the optical axis, and in a second direction perpendicular to each of the optical axis and the first direction; a first magnet disposed on a first side of the; a first coil disposed on a first inner surface of the camera housing, wherein the first coil is disposed to at least partially overlap with each of an N-pole region and an S-pole region of the first magnet when viewed in the second direction; and a second coil disposed on the first inner surface of the camera housing and disposed adjacent to the first coil, the second coil being the N-pole region of the first magnet or the second coil when viewed in the second direction It may include; disposed to overlap at least partially with any one of the S pole regions.
- An electronic device includes a housing and a camera module disposed inside the housing, wherein the camera module includes: a camera housing; a camera assembly disposed inside the camera housing and including a lens assembly; a first driving unit including a first coil and a second coil disposed on a first inner surface of the camera housing, and a first magnet disposed on a first side surface of the camera assembly; and a second driving unit including a third coil disposed on a second inner surface of the camera housing, and a third magnet disposed on a second side surface of the camera assembly, wherein the first magnet comprises: The coil and the first opposite surface facing the second coil are configured to have an N pole region and an S pole region, and when viewed in a second direction perpendicular to the optical axis, the first coil is the first magnet of the first magnet.
- the second coil is one of the N pole region or the S pole region of the first magnet. It may be configured to at least partially overlap with any one.
- the camera module according to the embodiments disclosed in this document is configured to perform a two-axis image stabilization function using a single magnet, so that the production cost can be reduced.
- FIG. 1 is a block diagram of an electronic device in a network environment according to various embodiments of the present disclosure
- FIG. 2 is a block diagram illustrating a camera module according to various embodiments of the present disclosure.
- 3A is a front perspective view of an electronic device according to an exemplary embodiment
- 3B is a rear perspective view of an electronic device according to an exemplary embodiment
- 3C is an exploded perspective view of an electronic device according to an exemplary embodiment
- FIG. 4 is a perspective view of a camera module according to an embodiment.
- FIG. 5 is a diagram illustrating a camera assembly, an image sensor, and a driving unit of a camera module according to an exemplary embodiment.
- FIG. 6 is an exploded view of a camera assembly, an image sensor, and a driving unit of a camera module according to an exemplary embodiment.
- FIG. 7 is a diagram illustrating a first magnet, a first coil, and a second coil of a camera module according to an exemplary embodiment.
- FIG. 8 is a diagram illustrating a guide structure of a camera module according to an exemplary embodiment.
- FIG. 9 is a view illustrating a guide structure, a first holder, and a second holder of a camera module according to an embodiment.
- FIG. 10 is a plan view of a camera module according to an embodiment.
- FIG. 11 is a diagram illustrating a camera module according to an embodiment.
- FIG. 12 is a diagram illustrating an auto-focus operation and an image stabilization operation of a camera module according to an exemplary embodiment.
- FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments of the present disclosure.
- the electronic device 101 communicates with the electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may 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 .
- a first network 198 eg, a short-range wireless communication network
- a second network 199 e.g., a second network 199 . It may 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 , a sound output module 155 , a display module 160 , an audio module 170 , and 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 an antenna module 197 .
- at least one of these components eg, the connection terminal 178
- some of these components are integrated into one component (eg, display module 160 ). can be
- the processor 120 for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or operations. According to an embodiment, as at least part of data processing or operation, the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 . may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
- software eg, a program 140
- the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 .
- the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 .
- the processor 120 is 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) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a 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
- an image signal processor e.g., a sensor hub processor, or a communication processor.
- the secondary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), 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, image signal processor or communication processor
- the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
- Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which 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 above, but is not limited to the above example.
- the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
- 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, the program 140 ) and instructions related thereto.
- the memory 130 may include a volatile memory 132 or a 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 (eg, a user) of the electronic device 101 .
- 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 a sound signal 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.
- the receiver can be used to receive incoming calls. According to an embodiment, the receiver may be implemented separately from or as a part of the speaker.
- the display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
- the display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device.
- the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.
- the audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 , or an external electronic device (eg, a sound output module 155 ) connected directly or wirelessly with the electronic device 101 .
- the electronic device 102) eg, a speaker or headphones
- the electronic device 102 may output a sound.
- 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 sensed state. can do.
- the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.
- the interface 177 may support one or more specified protocols that may be used by the electronic device 101 to directly or wirelessly connect with 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.
- the connection terminal 178 may include a connector through which the electronic device 101 can 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 an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense.
- 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 an 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, for example, at least a part of a power management integrated circuit (PMIC).
- 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 cell, a rechargeable secondary cell, 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). It can support establishment and communication performance through the established communication channel.
- 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, : It may include a local area network (LAN) communication module, or a power line communication module).
- 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
- GNSS global navigation satellite system
- wired communication module 194 eg, : It may include a local area network (LAN) communication module, or a power line communication module.
- a corresponding communication module among these communication modules 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, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
- a first network 198 eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
- a second network 199 eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
- a telecommunication network
- 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 .
- subscriber information eg, International Mobile Subscriber Identifier (IMSI)
- IMSI International Mobile Subscriber Identifier
- the electronic device 101 may be identified or authenticated.
- the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR).
- NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low-latency
- the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- a high frequency band eg, mmWave band
- the wireless communication module 192 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.
- the wireless communication module 192 may support various requirements defined in 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 includes a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: Downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) can be supported.
- a peak data rate eg, 20 Gbps or more
- loss coverage eg, 164 dB or less
- U-plane latency for realizing URLLC
- the antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device).
- the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
- 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 connected from the plurality of antennas by, for example, the communication module 190 . can be selected. 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)
- 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 side (eg, bottom side) of the printed circuit board and capable of supporting a specified high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) 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)
- GPIO general purpose input and output
- SPI serial peripheral interface
- MIPI mobile industry processor interface
- the command 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 the operations executed by the electronic device 101 may be executed by one or more external electronic devices 102 , 104 , or 108 .
- the electronic device 101 may perform the function or service itself instead of executing the function or service itself.
- one or more external electronic devices may be requested to perform at least a part of the function or the service.
- One or more external electronic devices that have received 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 transmit a result of the execution to the electronic device 101 .
- the electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request.
- 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.
- the server 108 may be an intelligent server using machine learning and/or neural networks.
- the external electronic device 104 or the server 108 may be included in the second network 199 .
- the electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- FIG. 2 is a block diagram 200 illustrating a camera module 180, according to various embodiments.
- the camera module 180 (eg, the camera modules 305 and 312 of FIGS. 3A to 3C , and the camera module 400 of FIG. 4 ) includes a lens assembly 210 (eg, the lens of FIG. 6 ). assembly 420), flash 220, image sensor 230 (eg, image sensor 419 in FIG. 5), image stabilizer 240, memory 250 (eg, buffer memory), or image signal processor (260). In an embodiment, at least one of the components (eg, the lens assembly 210 , the flash 220 , the image sensor 230 , the image stabilizer 240 , and the memory 250 ) included in the camera module 180 ). One may operate under the control of a control circuit (eg, the processor 120 of FIG.
- a control circuit eg, the processor 120 of FIG.
- control circuitry eg, processor 120 in FIG. 1
- the control circuitry may include a main processor (eg, main processor 121 in FIG. 1 ) and/or a coprocessor (eg, coprocessor 123 in FIG. 1 ) or image signal processor 260).
- the lens assembly 210 may collect light emitted from a subject, which is an image photographing target.
- the lens assembly 210 may include one or more lenses.
- the camera module 180 may include a plurality of lens assemblies 210 .
- the camera module 180 may form, for example, a dual camera, a 360 degree camera, or a spherical camera.
- Some of the plurality of lens assemblies 210 may have the same lens properties (eg, angle of view, focal length, auto focus, f number, or optical zoom), or at least one lens assembly may be a different lens assembly. It may have one or more lens properties that are different from the lens properties of .
- the lens assembly 210 may include, for example, a wide-angle lens or a telephoto lens.
- the flash 220 may emit light used to enhance light emitted or reflected from the subject.
- the flash 220 may include one or more light emitting diodes (eg, a red-green-blue (RGB) light-emitting diode (LED), a white LED, an infrared LED, or an ultraviolet LED), or a xenon lamp.
- RGB red-green-blue
- LED light-emitting diode
- white LED e.g., a white LED, an infrared LED, or an ultraviolet LED
- a xenon lamp e.g, a xenon lamp.
- the image sensor 230 may acquire an image corresponding to the subject by converting light emitted or reflected from the subject and transmitted through the lens assembly 210 into an electrical signal.
- the image sensor 230 may include, for example, one image sensor selected from among image sensors having different properties, such as an RGB sensor, a black and white (BW) sensor, an IR sensor, or a UV sensor, the same It may include a plurality of image sensors having properties, or a plurality of image sensors having different properties.
- Each image sensor included in the image sensor 230 may be implemented using, for example, a charged coupled device (CCD) sensor or a complementary metal oxide semiconductor (CMOS) sensor.
- CCD charged coupled device
- CMOS complementary metal oxide semiconductor
- the image stabilizer 240 responds to a movement of the camera module 180 or an electronic device including the same (eg, the electronic device 101 of FIG. 1 ) at least one included in the lens assembly 210 . It is possible to move the lens or the image sensor 230 in a specific direction or to control the operating characteristics of the image sensor 230 (eg, adjust read-out timing, etc.). This may make it possible to compensate for at least some of the negative effects of the movement on the image being taken.
- the image stabilizer 240 uses a gyro sensor (not shown) or an acceleration sensor (not shown) disposed inside or outside the camera module 180 to the camera module 180 or the electronic device ( 101) can be detected.
- the image stabilizer 240 may be implemented as, for example, an optical image stabilizer.
- the memory 250 may temporarily store at least a portion of the image acquired through the image sensor 230 for the next image processing operation. For example, when image acquisition is delayed according to the shutter or a plurality of images are acquired at high speed, the acquired original image (eg, a Bayer-patterned image or a high-resolution image) is stored in the memory 250 and , a copy image corresponding thereto (eg, a low-resolution image) may be previewed through the display module 160 . Thereafter, when a specified condition is satisfied (eg, a user input or a system command), at least a portion of the original image stored in the memory 250 may be obtained and processed by, for example, the image signal processor 260 .
- the memory 250 may be configured as at least a part of the memory 130 or as a separate memory operated independently of the memory 130 .
- the image signal processor 260 may perform one or more image processing on an image acquired through the image sensor 230 or an image stored in the memory 250 .
- the one or more image processes may include, for example, depth map generation, three-dimensional modeling, panorama generation, feature point extraction, image synthesis, or image compensation (eg, noise reduction, resolution adjustment, brightness adjustment, blurring ( blurring), sharpening (sharpening), or softening (softening)
- the image signal processor 260 may include at least one of the components included in the camera module 180 (eg, an image sensor). 230), for example, exposure time control, readout timing control, etc.
- the image processed by the image signal processor 260 is stored back in the memory 250 for further processing. or may be provided as an external component of the camera module 180 (eg, the memory 130 of FIG. 1 , the display module 160 , the electronic device 102 , the electronic device 104 , or the server 108 ). .
- the image signal processor 260 is configured as at least a part (eg, the auxiliary processor 123 of FIG. 1 ) of a processor (eg, the processor 120 of FIG. 1 ) or is independent of the processor 120 . It can be configured as a separate processor operated by When the image signal processor 260 is configured as a processor separate from the processor 120 , at least one image processed by the image signal processor 260 is displayed as it is or after additional image processing is performed by the processor 120 . It may be displayed through the module 160 .
- the electronic device may include a plurality of camera modules 180 each having different properties or functions.
- a plurality of camera modules 180 including lenses (eg, lens assemblies 210 ) having different angles of view may be configured, and the electronic device 101 may It is possible to control to use the angle of view of the camera module 180 related to the selection.
- at least one of the plurality of camera modules 180 may be a wide-angle camera, and at least the other may be a telephoto camera.
- at least one of the plurality of camera modules 180 may be a front camera, and at least the other may be a rear camera.
- the plurality of camera modules 180 include at least one of a wide-angle camera, a telephoto camera, a color camera, a black and white camera, or an IR (infrared) camera (eg, a time of flight (TOF) camera, a structured light camera). can do.
- the IR camera may be operated as at least a part of a sensor module (eg, the sensor module 176 of FIG. 1 ).
- the TOF camera eg, the camera module 312 of FIG. 3B
- the TOF camera may operate as at least a part of a sensor module (eg, the sensor module 176 of FIG. 1 ) for detecting a distance to the subject.
- 3A is a front perspective view of an electronic device 300 according to an exemplary embodiment.
- 3B is a rear perspective view of the electronic device 300 according to an exemplary embodiment.
- 3C is an exploded perspective view of the electronic device 300 according to an exemplary embodiment.
- the electronic device 300 includes a first side (or front side) 310A, a second side (or back side) 310B, and a first side 310A and a second side ( It may include a housing 310 including a side surface 310C surrounding the space between the 310B.
- the housing 310 may refer to a structure forming a portion of the first surface 310A, the second surface 310B, and the side surface 310C.
- the first surface 310A may be formed by a front plate 302 (eg, the front plate 320 of FIG. 3C ) that is at least partially transparent.
- the front plate 302 may include a glass plate including various coating layers, or a polymer plate.
- the second surface 310B may be formed by a substantially opaque back plate 311 (eg, the back plate 380 of FIG. 3C ).
- the back plate 311 is formed by, for example, coated or colored glass, ceramic, polymer, metal (eg, aluminum, stainless steel (STS), or magnesium), or a combination of at least two of the above materials. can be
- the side surface 310C is coupled to the front plate 302 and the rear plate 311 and may be formed by a side bezel structure 318 including a metal and/or a polymer.
- the back plate 311 and the side bezel structure 318 may be integrally formed and may include the same material (eg, a metal material such as aluminum).
- the front plate 302 may include two first regions 310D that extend seamlessly by bending in the direction of the rear plate 311 from a partial region of the first surface 310A. have.
- the first regions 310D may be located at both ends of a long edge of the front plate 302 .
- the rear plate 311 may include two second regions 310E that extend seamlessly from a partial region of the second surface 310B toward the front plate 302 .
- the second regions 310E may be included at both ends of the long edge of the back plate 311 .
- the front plate 302 (or the back plate 311 ) may include only one of the first regions 310D (or the second regions 310E). Also, in another embodiment, the front plate 302 (or the rear plate 311 ) may not include some of the first regions 310D (or the second regions 310E).
- the first areas 310D or the second areas 310E are not included in the lateral direction (eg: short side) may have a first thickness (or width), and may have a second thickness thinner than the first thickness in a lateral direction (eg, a long side) including the first areas 310D or second areas 310E. have.
- the electronic device 300 includes a display 301 (eg, the display module 160 of FIG. 1 ), audio modules 303 , 304 , and 307 (eg, the audio module 170 of FIG. 1 ); A sensor module (not shown) (eg, the sensor module 176 of FIG. 1 ), camera modules 305 and 312 (eg, the camera module 180 of FIG. 1 , the camera module 400 of FIG. 4 ), key input It may include at least one of a device 317 (eg, the input module 150 of FIG. 1 ), a light emitting device (not shown), and a connector hole 308 (eg, the connection terminal 178 of FIG. 1 ). . In another embodiment, the electronic device 300 may omit at least one of the components (eg, the key input device 317 or a light emitting device (not shown)) or additionally include other components.
- a display 301 eg, the display module 160 of FIG. 1
- audio modules 303 , 304 , and 307 eg, the audio module
- the display 301 may be exposed through at least a portion of the front plate 302 .
- at least a portion of the display 301 may be exposed through the front plate 302 including the first area 310D of the first surface 310A and the side surface 310C.
- the shape of the display 301 may be substantially the same as an adjacent outer shape of the front plate 302 .
- the distance between the outer periphery of the display 301 and the outer periphery of the front plate 302 may be substantially the same.
- the surface (or front plate 302 ) of the housing 310 may include a display area where the display 301 is visually exposed and content is displayed through pixels.
- the display area may include a first surface 310A and side first areas 310D.
- the display regions 310A and 310D may include a sensing region (not shown) configured to acquire the user's biometric information.
- the meaning of “the display regions 310A and 310D includes the sensing region” may be understood to mean that at least a portion of the sensing region may overlap the display regions 310A and 310D.
- the sensing region may display content by the display 301 like other regions of the display regions 310A and 310D, and additionally obtain user's biometric information (eg, fingerprint). It can mean an area that can be
- the display areas 310A and 310D of the display 301 may include a camera area 306 .
- the camera area 306 may be an area through which light reflected from a subject and received by the first camera module 305 passes.
- the camera area 306 may include an area through which the optical axis of the first camera module 305 (eg, the optical axis OA of FIG. 4 ) passes.
- the meaning of "the display areas 310A and 310D includes the camera area 306" is understood to mean that at least a part of the camera area 306 may overlap the display areas 310A and 310D.
- the camera area 306 may display content by the display 301 like other areas of the display areas 310A and 310D.
- the screen display areas 310A and 310D of the display 301 may include an area to which the first camera module 305 (eg, a punch hole camera) may be visually exposed. .
- the first camera module 305 may include a plurality of camera modules (eg, the camera module 180 of FIG. 1 and the camera module 400 of FIG. 4 ).
- the display 301 is on the rear surface of the screen display areas 310A and 310D, the audio modules 303 , 304 , 307 , a sensor module (not shown), and a camera module (eg, a first camera module 305 ). )), and at least one of a light emitting device (not shown).
- the electronic device 300 has a rear surface (eg, -Z) of the first surface 310A (eg, a front surface) and/or a side surface 310C (eg, at least one surface of the first region 310D).
- a side facing the axial direction), a camera module (eg, the first camera module 305) may be disposed to face the first side 310A and/or the side surface 310C.
- the first camera module 305 may not be visually exposed to the screen display areas 310A and 310D, and may include a hidden under display camera (UDC).
- UDC hidden under display camera
- the display 301 includes a touch sensing circuit, a pressure sensor capable of measuring the intensity (pressure) of a touch, and/or a digitizer detecting a magnetic field type stylus pen, or adjacent to the display 301 . can be placed.
- the audio modules 303 , 304 , and 307 may include microphone holes 303 , 304 and a speaker hole 307 .
- the microphone holes 303 and 304 may include a first microphone hole 303 formed in a partial area of the side surface 310C and a microphone hole 304 formed in a partial area of the second surface 310B. have.
- a microphone for acquiring an external sound may be disposed inside the housing 310 .
- the microphone may include a plurality of microphones to detect the direction of sound.
- the second microphone hole 304 formed in a partial area of the second surface 310B may be disposed adjacent to the camera modules 305 and 312 .
- the second microphone hole 304 may acquire a sound when the camera modules 305 and 312 are executed, or acquire a sound when other functions are executed.
- the speaker hole 307 may include a receiver hole for a call (not shown).
- the speaker hole 307 may be formed in a portion of the side surface 310C of the electronic device 300 .
- the speaker hole 307 may be implemented as a single hole with the microphone hole 303 .
- a receiver hole for a call may be formed in another part of the side surface 310C.
- the receiver hole for a call is a part of the side 310C on which the speaker hole 307 is formed (eg, a portion facing the -Y-axis direction) and another part of the side 310C (eg: +Y-axis direction).
- the electronic device 300 may include a speaker fluidly connected to the speaker hole 307 so that a fluid flows.
- the speaker may include a piezo speaker in which the speaker hole 307 is omitted.
- a sensor module receives an electrical signal or data value corresponding to an internal operating state of the electronic device 300 or an external environmental state.
- the sensor module may include a first surface 310A, a second surface 310B, or a side surface 310C (eg, first regions 310D) and/or a side surface 310C of the housing 310 . It may be disposed in at least a portion of the second regions 310E), and may be disposed on the rear surface of the display 301 (eg, a fingerprint sensor).
- the sensor module (not shown) is disposed below the display areas 310A and 310D, so that it is not visually exposed, and a sensing area (not shown) is formed in at least a portion of the display areas 310A and 310D.
- the sensor module may include an optical fingerprint sensor.
- the fingerprint sensor may be disposed on the second surface 310B as well as the first surface 310A (eg, the screen display areas 310A and 310D) of the housing 310 .
- the sensor module may include a proximity sensor, an HRM sensor, a fingerprint sensor, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, It may include at least one of a humidity sensor and an illuminance sensor.
- the key input device 317 may be disposed on the side surface 310C of the housing 310 (eg, the first regions 310D and/or the second regions 310E).
- the electronic device 300 may not include some or all of the key input devices 317 , and the not included key input devices 317 may be in other forms, such as soft keys, on the display 301 .
- the key input device may include a sensor module (not shown) that forms a sensing region (not shown) included in the display regions 310A and 310D.
- the connector hole 308 may receive a connector.
- the connector hole 308 may be disposed on the side surface 310C of the housing 310 .
- the connector hole 308 may be disposed on the side surface 310C so as to be adjacent to at least a portion of the audio module (eg, the microphone hole 303 and the speaker hole 307 ).
- the electronic device 300 includes a first connector hole 308 and/or an external electronic device that may receive a connector (eg, a USB connector) for transmitting/receiving power and/or data with an external electronic device. It may include a second connector hole (not shown) capable of accommodating a connector (eg, an earphone jack) for transmitting/receiving a device and an audio signal.
- the electronic device 300 may include a light emitting device (not shown).
- the light emitting device (not shown) may be disposed on the first surface 310A of the housing 310 .
- the light emitting device (not shown) may provide state information of the electronic device 300 in the form of light.
- the light emitting device (not shown) may provide a light source that is interlocked with the operation of the first camera module 305 .
- the light emitting device (not shown) may include an LED, an IR LED, and/or a xenon lamp.
- the camera modules 305 and 312 have a camera area of the first surface 310A of the electronic device 300 .
- a first camera module 305 eg, an under-display camera
- a portion of the second side 310B eg, the rear camera region 384 in FIG. 3C
- a second camera module 312 configured to receive light, and/or a flash 313 .
- the first camera module 305 may include an under display camera (UDC) disposed on the rear surface of the display 301 .
- the first camera module 305 is located on some layer of the display 301 , or the optical axis of the lens (eg, the optical axis OA in FIG. 4 ) is the display area 310A, 310D of the display. It can be positioned to pass through.
- the first camera module 305 may be configured to receive light through the camera area 306 included in the display areas 310A and 310D.
- the camera area 306 may be configured to display content when the first camera module 305 is not operating, like other areas of the display areas 310A and 310D.
- the first camera module 305 when the first camera module 305 is operating, the camera area 306 does not display content, and the first camera module 305 may receive light through the camera area 306 . .
- the first camera module 305 may be exposed through a portion of the display areas 310A and 310D of the display 301 .
- the first camera module 305 may be exposed as a partial area of the screen display areas 310A and 310D through an opening formed in a portion of the display 301 .
- the second camera module 312 may include a plurality of camera modules (eg, a dual camera, a triple camera, or a quad camera).
- the second camera module 312 is not necessarily limited to including a plurality of camera modules, and may include one camera module.
- the first camera module 305 and/or the second camera module 312 may include one or more lenses, an image sensor (eg, image sensor 230 in FIG. 2 ), and/or an image It may include a signal processor (eg, the image signal processor 260 of FIG. 2 ).
- the flash 313 may include, for example, a light emitting diode or a xenon lamp.
- two or more lenses (infrared cameras, wide-angle and telephoto lenses) and image sensors are oriented inside the housing so that one side of the electronic device 300 (eg, the second side 310B) faces. ) can be placed in
- the electronic device 300 includes a side bezel structure 318 , a first support member 340 (eg, a bracket), and a front plate 320 (eg, the front plate 302 of FIG. 3A ).
- a display 330 eg, the display 301 of FIG. 3A
- a printed circuit board 350 eg, a printed circuit board (PCB), flexible PCB (FPCB) or rigid-flexible PCB (RFPCB)
- a battery 352
- a second support member 360 eg, a rear case
- an antenna 370 eg, the rear plate 311 of FIG. 3B
- a rear plate 380 eg, the rear plate 311 of FIG. 3B
- the electronic device 300 may omit at least one of the components (eg, the first support member 340 or the second support member 360 ) or additionally include other components. . At least one of the components of the electronic device 300 may be the same as or similar to at least one of the components of the electronic device 300 of FIG. 3A or 3B , and overlapping descriptions will be omitted below.
- the first support member 340 may be disposed inside the electronic device 300 and connected to the side bezel structure 318 , or may be integrally formed with the side bezel structure 318 .
- the first support member 340 may be formed of, for example, a metal material and/or a non-metal (eg, polymer) material.
- the first support member 340 may have a display 330 coupled or positioned on one surface and a printed circuit board 350 coupled or positioned on the other surface.
- a processor, memory, and/or interface may be disposed on the printed circuit board 350 .
- the processor may include, for example, one or more of a central processing unit, an application processor, a graphics processing unit, an image signal processor, a sensor hub processor, or a communication processor.
- the memory may include, for example, volatile memory or non-volatile memory.
- the interface may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, and/or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- the interface may, for example, electrically or physically connect the electronic device 300 to an external electronic device, and may include a USB connector, an SD card/MMC connector, or an audio connector.
- the battery 352 is a device for supplying power to at least one component of the electronic device 300 , for example, a non-rechargeable primary cell, or a rechargeable secondary cell, or a fuel cell. may include. At least a portion of the battery 352 may be disposed substantially coplanar with the printed circuit board 350 , for example.
- the battery 352 may be integrally disposed inside the electronic device 300 , or may be disposed detachably from the electronic device 300 .
- the antenna 370 may be disposed between the back plate 380 and the battery 352 .
- the antenna 370 may include, for example, a near field communication (NFC) antenna, a wireless charging antenna, and/or a magnetic secure transmission (MST) antenna.
- the antenna 370 may, for example, perform short-range communication with an external device or wirelessly transmit/receive power required for charging.
- an antenna structure may be formed by a part of the side bezel structure 318 and/or the first support member 340 or a combination thereof.
- the first camera module 305 may be coupled to the rear surface of the display 330 to receive light through the camera area 306 of the front plate 320 .
- at least a portion of the first camera module 305 may be disposed on the first support member 340 .
- the image sensor of the first camera module 305 eg, the image sensor 230 of FIG. 2 , the image sensor 419 of FIG. 5
- the camera area 306 may at least partially overlap a display area in which content is displayed.
- the optical axis OA optical axis
- the partial region may include a pixel array including a plurality of light emitting devices.
- a partial region of the display 330 facing the first camera module 305 may be formed as a transmissive region having a transmittance designated as a part of the display region in which content is displayed.
- the transmissive region may be formed to have a transmittance ranging from about 5% to about 25%. In one embodiment, the transmissive region may be formed to have a transmittance ranging from about 25% to about 50%.
- the transmissive region may be formed to have a transmittance of about 50% or more.
- This transmission area is an effective area of the first camera module 305 through which light for generating an image by being imaged by an image sensor (eg, the image sensor 230 of FIG. 2 and the image sensor 419 of FIG. 5 ) passes. (eg, a field of view (FOV)) may include an overlapping area.
- the transmissive area of the display 330 may include an area having lower pixel density and/or wiring density than the surrounding area.
- the second camera module 312 may be arranged such that the lens is exposed to the rear camera area 384 of the rear plate 380 (eg, the rear surface 310B of FIG. 2 ) of the electronic device 300 . have.
- the rear camera area 384 may be formed on at least a portion of the surface of the rear plate 380 (eg, the rear surface 310B of FIG. 2 ).
- the second camera area 384 may be formed to be at least partially transparent so that the second camera module 312 receives external light through the second camera area 384 .
- At least a portion of the rear camera area 384 may protrude from the surface of the rear plate 380 to a predetermined height.
- the present invention is not necessarily limited thereto, and the rear camera area 384 may form substantially the same plane as the surface of the rear plate 380 .
- FIG. 4 is a perspective view of a camera module according to an embodiment.
- the camera module 400 may include a camera housing 410 , and a camera assembly 401 , at least a portion of which is accommodated in the camera housing 410 .
- the camera assembly 401 may include a lens assembly 420 (eg, the lens assembly 210 of FIG. 2 ).
- the camera module 400 may include a partial area (eg, the camera area 306 of FIG. 3C ) and a rear camera area 384 of the surface of the electronic device (eg, the electronic device 300 of FIGS. 3A to 3C ). )) through which it can be configured to receive external light.
- the camera housing 410 may include a bottom surface 411 , an upper surface 413 , and a side surface 412 .
- An opening 4131 through which the lens L and at least a portion of the lens barrel 421 are exposed may be formed on the upper surface 413 .
- the opening 4131 may be at least partially aligned with the optical axis OA of the lens L.
- the side surface 412 may surround the inner space between the bottom surface 411 and the upper surface 413 .
- the bottom surface 411 of the camera housing 410 includes an image sensor (eg, the image sensor 230 of FIG. 2 and the image sensor 419 of FIG. 5 ) and the image sensors 230 and 419 and An electrically connected circuit board (eg, the connecting member 408 of FIG. 5 ) may be disposed.
- the image sensors 230 and 419 may be disposed inside the camera housing 410 to be at least partially aligned with the optical axis OA of the lens L.
- the image sensors 230 and 419 may convert an optical signal received through the lens L into an electrical signal.
- At least a portion of the lens assembly 420 may be accommodated in the camera housing 410 .
- a portion of the lens assembly 420 may extend to the outside of the camera housing 410 through the opening 4131 .
- the lens assembly 420 may include a plurality of lenses L and a lens barrel 421 surrounding the plurality of lenses L. In an embodiment, the lens assembly 420 may be disposed such that at least a portion of the plurality of lenses L and the lens barrel 421 is exposed through the opening 4131 of the camera housing 410 .
- the camera module 400 may be electrically connected to an electronic device (eg, the electronic device 300 of FIGS. 3A to 3C ) through the connection member 408 .
- the connection member 408 may include a connector 409 coupled to a printed circuit board (eg, the printed circuit board 350 of FIG. 3C ) of the electronic device 300 .
- the connecting member 408 may include a circuit board including a flexible area that is at least partially flexible.
- connection member 408 may extend from the interior space of the camera housing 410 to the exterior of the camera housing 410 (eg, the printed circuit board 350 of FIG. 3C ).
- the connecting member 408 may include a region in which the image sensors 230 and 419 are disposed or electrically connected to the image sensors 230 and 419 .
- the connection member 408 may include a flexible printed circuit board (FPCB).
- FIG. 5 is a diagram illustrating a camera assembly, an image sensor, and a driving unit of a camera module according to an exemplary embodiment.
- 6 is an exploded view of a camera assembly, an image sensor, and a driving unit of a camera module according to an exemplary embodiment.
- the camera module 400 may include a camera assembly 401 , an image sensor 419 , and driving units 402 and 403 .
- the image sensor 419 may be disposed to be at least partially aligned with the lens L in the direction of the optical axis OA.
- the image sensor 419 may be disposed on a bottom surface (eg, the bottom surface 411 of FIG. 4 ) of the camera housing (eg, the camera housing 410 of FIG. 4 ).
- the image sensor 419 may be configured to receive the light collected by the lens L and generate an electrical signal based on the received light.
- the distance between the image sensor 419 and the lens L may vary as the camera assembly 401 moves in the optical axis OA direction.
- the camera assembly 401 may be disposed at least partially inside a camera housing (eg, camera housing 410 of FIG. 4 ).
- the camera assembly 401 may include a lens assembly 420 , a first holder 430 , a guide structure 440 , and a second holder 450 .
- the lens assembly 420 may include a lens L and a lens barrel 421 surrounding the lens L.
- the lens L may include a plurality of lenses stacked in the optical axis OA direction.
- the lenses L are surrounded by the lens barrel 421 and may be protected against external impact.
- the lens assembly 420 may be coupled to the first holder 430 .
- the lens assembly 420 may move together with the first holder 430 in the X-axis, Y-axis, and/or Z-axis direction.
- the lens assembly 420 may be at least partially inserted into the opening 439 formed in the first holder 430 .
- the first holder 430 includes a body 431 on which the lens assembly 420 is disposed, a side portion 432 on which the first magnet 470 is disposed, and the body 431 and the side portion 432 .
- ) may include a first connection portion 433 for connecting.
- an opening 439 into which the lens assembly 420 is inserted may be formed in the body 431 .
- a first magnet 470 may be disposed on the first side 430a of the side portion 432 .
- a predetermined space may be formed between the body 431 and the side portion 432 .
- the first portion 441 of the guide structure 440 may be located at least partially in the space.
- the first connection portion 433 may be located at least partially inside the first groove 443 formed in the first portion 441 of the guide structure 440 .
- the first holder 430 is the X-axis (eg, +X/-X axis) and/or the Y-axis (eg, +Y/) together with the lens assembly 420 when the image stabilization function is performed. -Y axis) direction.
- the guide structure 440 and the second holder 450 may maintain a designated position.
- the first holder 430 may move in the Y-axis direction with the first connection portion 433 positioned inside the first groove 443 of the guide structure 440 .
- the first holder 430 when the first holder 430 moves in the X-axis direction, the first holder 430 may move together with the guide structure 440 and the second holder 450 may maintain a designated position.
- the first portion 441 of the guide structure 440 has a first coil 461 and a second coil 462 . ) may move with the first holder 430 away from or closer to.
- the guide structure 440 includes a first portion 441 positioned at least partially between the side portion 432 of the first holder 430 and the body 431 , and the first holder 430 and and a second portion 442 disposed between the second holders 450 .
- the second portion 442 may extend in a direction substantially perpendicular to the first portion 441 .
- the first portion 441 may extend long in the Y-axis direction and the second portion 442 may extend long in the X-axis direction.
- the guide structure 440 may be formed to at least partially surround the first holder 430 .
- the guide structure 440 may be formed in a L shape when viewed in the Z-axis direction.
- a first groove 443 may be formed in the first portion 441 of the guide structure 440 .
- a first connection portion 433 of the first holder 430 may be positioned inside the first groove 443 .
- at least a portion of the first connection portion 433 may be positioned between the first inner wall 4431 and the second inner wall 4432 of the first groove 443 .
- the first inner wall 4431 and the second inner wall 4432 may face each other in the Y-axis direction.
- the first holder 430 may move in the Y-axis direction with the first connection portion 433 positioned between the first inner wall 4431 and the second inner wall 4432 .
- first inner wall 4431 and the second inner wall 4432 may function as stoppers limiting the movement range of the first holder 430 .
- the second portion 442 of the guide structure 440 may be disposed between the second side 430b of the first holder 430 and the second holder 450 .
- a first recess 448 in which a first ball (eg, the first ball 491 of FIG. 8 ) is accommodated may be formed in the first portion 441 of the guide structure 440 .
- the first ball 491 may provide a rolling friction force between the first holder 430 and the first portion 441 of the guide structure 440 when the first holder 430 moves in the Y-axis direction.
- the first ball 491 may roll at a designated position inside the first recess 448 or roll while moving in the Y-axis direction.
- the first recess 448 may extend relatively long in the Y-axis direction compared to the Z-axis direction in correspondence to the moving direction of the first portion 441 of the guide structure 440 .
- a second recess 449 in which a second ball (eg, the second ball 492 of FIG. 8 ) is accommodated may be formed in the second portion 442 of the guide structure 440 .
- the second ball 492 may provide a rolling friction force between the second holder 450 and the second portion 442 of the guide structure 440 when the guide structure 440 moves in the X-axis direction.
- the second ball 492 may roll at a designated position inside the second recess 449 or roll while moving in the X-axis direction.
- the second recess 449 may extend relatively long in the X-axis direction compared to the Z-axis direction in correspondence to the moving direction of the second portion 442 of the guide structure 440 .
- the second holder 450 is substantially parallel to the optical axis OA together with the first holder 430 , the lens assembly 420 , and the guide structure 440 when the auto focus function is performed. It may be configured to move in one direction (eg, in the Z-axis direction). In an embodiment, the second holder 450 and the second portion 442 of the guide structure 440 may be coupled to move together in the Z-axis direction. In an embodiment, when the guide structure 440 moves in the Y-axis direction, the distance between the second part 442 of the guide structure 440 and the second holder 450 in the Y-axis direction may vary. The second holder 450 may not move in the Y-axis direction.
- the third magnet 480 may be disposed on the second holder 450 .
- the third magnet 480 may be disposed to at least partially face the third coil 463 disposed on the second inner surface of the camera housing (eg, the camera housing 410 of FIG. 4 ).
- the third magnet 480 may be disposed on a surface facing the Y-axis direction.
- the first driving unit 402 may be configured to move the first holder 430 and the lens assembly 420 in the X-axis and/or the Y-axis. For example, when a current is applied to the first coil 461 and/or the second coil 462 , the interaction of the magnetic field formed by the coils 461 and 462 and the magnetic field by the first magnet 470 is affected. Accordingly, the first holder 430 and the lens assembly 420 may be moved.
- the first driving unit 402 may include a first magnet 470 , a first coil 461 , and a second coil 462 .
- the first driver 402 may be configured to move the first holder 430 in at least two directions substantially perpendicular to the optical axis OA.
- the lens assembly 420 is coupled to the first holder 430 and moves together, through which an image stabilization function may be performed.
- the first coil 461 may move the first holder 430 in the Y-axis direction through electromagnetic interaction with the first magnet 470 .
- a driving force may act on the first magnet 470 in the Y-axis direction.
- the guide structure 440 may not move, and the first holder 430 may move relative to the guide structure 440 .
- the driving force acting in the Y-axis direction may be referred to as a Lorentz force.
- the first coil 461 has a 1-1 region overlapping the first polarity region 471 when viewed in the X-axis direction (eg, the 1-1 region 461-1 of FIG. 7 ). and a 1-2 th region (eg, a 1-2 th region 461 - 2 of FIG. 7 ) overlapping the second polarity region 472 .
- a current may flow in the +Z-axis direction in the 1-1 region 461-1
- a current may flow in the -Z-axis direction in the 1-2-th region 461-2.
- the first polarity region 471 may form a magnetic field in the +X-axis direction
- the second polarity region 472 may form a magnetic field in the -X-axis direction.
- a Lorentz force may act on the first magnet 470 in the +Y/-Y axis direction with respect to the fixed first coil 461 .
- the first magnet 470 and the first coil 461 may be referred to as a Lorentz type actuator.
- the first coil 461 may be disposed in a camera housing (eg, the camera housing 410 of FIG. 4 ).
- the first coil 461 may be disposed on the first inner surface of the camera housing (eg, the camera housing 410 of FIG. 4 ).
- the first inner surface may include a region facing the first side surface 430a of the first holder 430 in the X-axis direction.
- the first coil 461 may be disposed adjacent to the second coil 462 .
- the first coil 461 is fixed to the camera housing (eg, the camera housing 410 of FIG. 4 ) and may be fixed regardless of the movement of the lens assembly 420 and the first holder 430 .
- the first coil 461 may at least partially face each of the first polarity region 471 and the second polarity region 472 of the first magnet 470 when viewed in the X-axis direction. For example, when viewed in the X-axis direction, a portion of the first coil 461 may overlap the first polarity region 471 , and another portion of the first coil may overlap the second polarity region 472 . .
- the first coil 461 may be configured to apply a Y-axis direction driving force to the first magnet 470 .
- a driving force is applied to the first magnet 470 in the Y-axis direction, and accordingly, the first holder 430 in which the first magnet 470 is fixedly disposed.
- the first coil 461 may interact with each of the first polarity region 471 and the second polarity region 472 of the first magnet 470 .
- the second coil 462 may move the first holder 430 in the X-axis direction through electromagnetic interaction with the first magnet 470 .
- a driving force may act on the first magnet 470 in the X-axis direction.
- the guide structure 440 may move together with the first holder 430 .
- the driving force in the X-axis direction is an attractive force in a direction in which the first magnet 470 approaches the second coil 462 (eg, in the +X-axis direction) or the first magnet 470 causes the second coil ( 462) may include a repulsive force in a direction away from it (eg, -X-axis direction).
- the direction of the magnetic field formed by the second coil 462 eg, the +X/-X axis direction
- the first magnet 470 and the second coil 462 may be referred to as a solenoid type actuator.
- the second coil 462 may be disposed in a camera housing (eg, the camera housing 410 of FIG. 4 ).
- the second coil 462 may be disposed on the first inner surface of the camera housing (eg, the camera housing 410 of FIG. 4 ).
- the second coil 462 may be disposed adjacent to the first coil 461 .
- the first inner surface may include a region facing the first side surface 430a of the first holder 430 in the X-axis direction.
- the second coil 462 may be fixed to the camera housing (eg, the camera housing 410 of FIG. 4 ) regardless of the movement of the lens assembly 420 and the first holder 430 .
- the second coil 462 may at least partially face the second polarity region 472 of the first magnet 470 when viewed in the X-axis direction. For example, when viewed in the X-axis direction, the second coil 462 may overlap the second polarity region 472 of the first magnet 470 .
- the second coil 462 may be configured to apply a driving force in the X-axis direction to the first magnet 470 .
- a driving force is applied to the first magnet 470 in the X-axis direction, and accordingly, the first holder 430 in which the first magnet 470 is fixedly disposed.
- the guide structure 440 moves in the X-axis direction together with the first holder 430 , the second holder 450 does not move, and the guide structure 440 and the first holder 430 move in the second direction. It is movable relative to the holder 450 .
- the second coil 462 may interact with the second polarity region 472 of the first magnet 470 .
- an attractive or repulsive force may be applied between the second coil 462 and the second polarity region 472 .
- the distance between the first coil 461 and the first magnet 470 in the X-axis direction may vary.
- the first magnet 470 may be disposed on the side portion 432 of the first holder 430 .
- the first magnet 470 may be disposed on the first side surface 430a of the first holder 430 .
- the first magnet 470 may be disposed to at least partially face each of the first coil 461 and the second coil 462 in the X-axis direction.
- the first magnet 470 may be configured such that the first facing surface 470a facing the first coil 461 and the second coil 462 includes at least two regions having different polarities.
- the first facing surface 470a of the first magnet 470 may be configured to include an N-pole region and an S-pole region.
- the first magnet 470 may include a first polarity region 471 having a first polarity and a second polarity region 472 having a second polarity.
- the first polarity region 471 and the second polarity region 472 may be arranged in the Y-axis direction.
- the first polarity region 471 may be positioned in the Y-axis direction from the second polarity region 472 .
- the first polarity region 471 and the second polarity region 472 may have different areas.
- the first polarity region 471 may have a smaller area than the second polarity region 472 .
- a portion of the first polarity region 471 and a portion of the second polarity region 472 may face the first coil 461 in the X-axis direction.
- each of the first polarity region 471 and the second polarity region 472 of the first magnet 470 may electromagnetically interact with the first coil 461 .
- the second polarity region 472 may face the second coil 462 in the X-axis direction.
- the second polarity region 472 of the first magnet 470 may electromagnetically interact with the second coil 462 .
- the first coil 461 and the second coil 462 are disposed in the camera housing (eg, the camera housing 410 of FIG. 4 ), and the first magnet 470 is disposed in the first holder 430 .
- the first coil 461 and the second coil 462 are disposed on the first side surface 430a of the first holder 430
- the first magnet 470 is the camera housing. It may be disposed on the first inner surface of (eg, the camera housing 410 of FIG. 4 ).
- the second driving unit 403 may include a third coil 463 and a third magnet 480 .
- the second driving unit 403 may be configured to move the first holder 430 , the second holder 450 , and the guide structure 440 in a direction substantially parallel to the optical axis OA.
- the lens L is coupled to the first holder 430 and moves together between the image sensor 419 and the lens L fixedly disposed on the bottom surface of the camera housing (eg, the camera housing 410 in FIG. 4 ). Distance may vary. Through this, an auto-focus function may be performed.
- the third coil 463 moves the first holder 430 , the second holder 450 , and the guide structure 440 in the Z-axis direction through electromagnetic interaction with the third magnet 480 .
- can be moved When a current is applied to the third coil 463 fixedly disposed on the camera housing (eg, the camera housing 410 of FIG. 4 ), the third magnet 480 disposed on the second holder 450 has a Z-axis direction. may act as a driving force.
- the third coil 463 may be disposed in a camera housing (eg, the camera housing 410 of FIG. 4 ).
- the third coil 463 may be disposed on the second inner surface of the camera housing (eg, the camera housing 410 of FIG. 4 ).
- the second inner surface may include a region facing the second holder 450 in the X-axis direction.
- the third coil 463 is fixed to the camera housing (eg, the camera housing 410 of FIG. 4 ), the lens assembly 420 , the first holder 430 , the guide structure 440 , and the second 2 It may be fixed regardless of the movement of the holder 450 .
- the third coil 463 may at least partially face each of the first polarity region 481 and the second polarity region 482 of the third magnet 480 when viewed in the Y-axis direction. For example, when viewed in the X-axis direction, a portion of the third coil 463 overlaps the first polarity region 481 , and another portion of the third coil 463 overlaps the second polarity region 482 . can be
- the third magnet 480 may be disposed on the second holder 450 .
- the third magnet 480 may be disposed to at least partially face the third coil 463 in the Y-axis direction.
- the third magnet 480 may be configured such that the third opposing surface 480a facing the third coil 463 includes at least two regions having different polarities.
- the third opposing surface 480a of the third magnet 480 may be configured to include an N-pole region and an S-pole region.
- the third magnet 480 may include a first polarity region 481 having a first polarity and a second polarity region 482 having a second polarity.
- the first polarity region 481 and the second polarity region 482 may be arranged in the Z-axis direction.
- the first polarity region 481 may be positioned in the Z-axis direction from the second polarity region 482 .
- a portion of the first polarity region 481 and a portion of the second polarity region 482 may face the third coil 463 in the Y-axis direction.
- each of the first polarity region 481 and the second polarity region 482 of the third magnet 480 may electromagnetically interact with the third coil 463 .
- the driving force applied to the third magnet 480 may be referred to as a Lorentz force.
- the third coil 480 overlaps each of the first polarity region 481 and the second polarity region 482 when viewed in the Y-axis direction, and currents in opposite directions may flow.
- the first polarity region 481 and the second polarity region 482 may form magnetic fields in opposite directions.
- a Lorentz force may act on the third magnet 480 in the +Z/ ⁇ Z axis direction with respect to the fixed third coil 463 .
- the third magnet 480 and the third coil 463 may be referred to as a Lorentz type actuator.
- a yoke member 465 may be disposed on the third coil 463 .
- the yoke member 465 may reduce leakage of a magnetic field by the third coil 463 and/or the third magnet 480 to the outside of the camera module 400 .
- FIG. 7 is a diagram illustrating a first magnet, a first coil, and a second coil of a camera module according to an exemplary embodiment.
- FIG. 7 is a view viewed from the direction B shown in FIG. 5 .
- the first magnet 470 may be disposed to at least partially overlap the first coil 461 and the second coil 462 when viewed in the X-axis direction.
- a first facing surface 470a facing each of the first coil 461 and the second coil 462 may be defined in the first magnet 470 .
- the first opposing surface 470a may include an N pole region having an N pole and an S pole region having an S pole.
- a first boundary line bm1 dividing the N-pole region and the S-pole region may be defined on the first opposing surface 470a.
- the positions of the N-pole region and the S-pole region shown in FIG. 7 may be different.
- the N-pole region and the S-pole region may be arranged in the Y-axis direction.
- a portion of the first coil 461 overlaps in the N pole region of the first magnet 470, and another part of the first coil 461 in the S pole region, and The second coils 462 may overlap.
- a driving force may be applied to the first magnet 470 in the Y-axis direction by the first coil 461 and the driving force may be applied in the X-axis direction by the second coil 462 .
- the first coil 461 includes a 1-1 region 461-1 and a 1-2 region 461-2 elongated in the Z-axis direction, and a first coil 461 elongated in the Y-axis direction.
- the 1-3 region 461-3 and the 1-4-th region 461-4 may be included.
- a current i may flow in the first coil 461 in a clockwise or counterclockwise direction.
- a magnetic field is formed by the current, and the magnetic field may interact with the magnetic field of the first magnet 470 to form an electromagnetic force in the Y-axis direction.
- currents in opposite directions may flow in the 1-1 region 461-1 and the 1-2 region 461-2. Referring to the drawings, currents in opposite directions may flow in the 1-3 th region 461-3 and the 1-4 th region 461-4.
- each of the 1-1 region 461-1 and the 1-2 th region 461-2 of the first coil 461 may form a driving force in the Y-axis direction.
- the 1-1 region 461-1 at least partially overlaps the N-pole region
- the 1-2-th region 461-2 at least partially overlaps the S-pole region.
- the 1-1 region 461-1 and the 1-2 region 461-2 may be arranged to overlap.
- the 1-1 region 461-1 and the 1-2 region 461-2 may be arranged to overlap with different polarities. Accordingly, the 1-1 region 461-1 and the 1-2 region 461-2 may form a driving force acting in the same direction.
- a net driving force formed by the first coil 461 may be mainly formed by the 1-1 region 461-1 and the 1-2 region 461-2.
- a portion of the 1-3 th region 461-3 of the first coil 461 and another portion of the first coil 461 form driving forces in opposite directions to each other, thereby canceling each driving force.
- the net driving force formed by the 1-3 region 461-3 may be substantially zero.
- a portion of the first to fourth regions 461-4 and another portion of the first coil 461 form driving forces in opposite directions to each other, so that each driving force may be offset.
- the net force formed by the 1-4 th region 461-4 may be substantially zero.
- the camera module 400 may include a first Hall sensor (not shown) and a second Hall sensor (not shown) for detecting the position of the first magnet 470 .
- the first Hall sensor may be adjacent to the first coil 461
- the second Hall sensor may be adjacent to the second coil 462 .
- the camera module 400 may detect a position in the y-axis direction of the first magnet 470 based on signals sensed from each of the first and second Hall sensors. For example, when the camera module 400 detects a position in the y-axis direction using only the first Hall sensor, an error may occur in the detected position of the first magnet 470 . For example, movement in the x-axis direction of the first magnet 470 changes the distance between the first Hall sensor and the first magnet 470 , which may affect the first Hall sensor. In other words, the detection signal of the first Hall sensor may be influenced not only by the y-axis position of the first magnet 470 , but also by the x-axis position of the first magnet 470 . Accordingly, the camera module 400 is positioned in the y-axis direction of the first magnet 470 based on the corrected third signal based on the first signal detected from the first Hall sensor and the second signal detected from the second Hall sensor. can be detected. for example, can be
- the camera module 400 may detect a position in the x-axis direction of the first magnet 470 based on a signal detected from the second Hall sensor. For example, when the signal detected by the second Hall sensor decreases, the camera module 400 may determine that the first magnet 470 moves away from the second coil 462 . Since the movement of the first magnet 470 in the y-axis direction does not change the distance between the second Hall sensor and the first magnet 470 , it may not substantially affect the signal of the second Hall sensor. Accordingly, the camera module 400 may detect the position of the first magnet 470 in the x-axis direction using only the second Hall sensor.
- the first coil 461 may be disposed such that an inner boundary line parallel to the Z-axis direction is spaced apart from the boundary line of the first magnet 470 by a predetermined interval.
- the first inner boundary line bc1 included in the 1-1 region 461-1 has a first interval g1 in the -Y axis direction from the first boundary line bm1 of the first magnet 470 . can be spaced apart.
- the second inner boundary line bc2 included in the region 1-2 may be spaced apart from the first boundary line bm1 of the first magnet 470 by a second interval g2 in the Y-axis direction.
- the first gap g1 and the second gap g2 are the maximum in the Y-axis or -Y-axis of the first holder 430 from the basic state (eg, the image stabilization function is not performed). It may be greater than the maximum movement distance d that can be moved (eg, the movement distance d of FIG. 10 ).
- a neutral region 473 including the first boundary line bm1 may be defined in the first magnet 470 .
- the first coil 461 has at least the first inner boundary line bc1 and the second inner boundary line bc2 from the neutral region 473 at least the maximum movement distance d in the +Y-axis direction of the first holder 430 and - It may be arranged to be spaced apart by the maximum movement distance (d) in the Y-axis direction.
- the first holder 430 and the first magnet 470 from the basic state by the maximum movement distance d in the Y-axis or -Y-axis direction. can move If the first magnet 470 is moved by the maximum movement distance d and the first coil 461 overlaps only one of the N pole region and the S pole region, the first coil 461 and the second coil 461 An attractive force or a repulsive force in the X-axis direction is formed between the first magnets 470 , so that the first magnet 470 may not be driven in the Y-axis direction. Therefore, according to some embodiments, even when the first magnet 470 moves in the Y-axis direction, the first coil 461 and the first magnet 470 may It may be arranged to maintain overlap with each of the S pole regions.
- the first coil 461 may be formed such that the current i flows in a rotational direction about an arbitrary axis substantially parallel to the X-axis direction.
- the first coil 461 may include a conductive wire wound around an arbitrary axis substantially parallel to the X-axis or a printed conductive pattern.
- the first coil 461 may have an opening region 4611 surrounded by a conductive wire or a pattern.
- the first coil 461 may be disposed such that the first boundary line bm1 or the neutral region 473 of the first magnet 470 is included in the opening region 4611 .
- the opening area 4611 has a first boundary line bm1 or a neutral area of the first magnet 470 . (473) may be located.
- the first coil 461 overlaps the center line c of the first coil 461 and the first boundary line bm1 of the first magnet 470 when viewed in the X-axis direction. can be arranged as much as possible.
- the center line c of the first coil 461 may be a line substantially parallel to the first inner boundary line bc1 and the second inner boundary line bc2 and spaced apart by the same distance.
- the center line c of the first coil 461 may overlap the neutral region 473 of the first magnet 470 when viewed in the X-axis direction.
- the second boundary line bm2 of the first magnet 470 may further extend from the third outer boundary line bc3 of the first coil 461 to a predetermined length.
- the predetermined length may be greater than or equal to the maximum moving distance d of the lens assembly.
- the third boundary line bm3 of the first magnet 470 may further extend by a predetermined length from the fourth outer boundary line bc4 of the second coil 462 . .
- the predetermined length may be greater than or equal to the maximum moving distance d.
- the second coil 462 and the S pole region of the first magnet 470 overlap. area can be kept constant.
- the second coil 462 may provide a substantially uniform driving force in the X-axis direction.
- the second coil 462 may be formed such that the current i flows in a rotational direction about an arbitrary axis parallel to the X-axis direction.
- the second coil 462 may include a conductive wire or printed conductive pattern wound about any axis substantially parallel to the X-axis.
- the second coil 462 may extend longer in the Y-axis than the first coil 461 .
- the first coil 461 may have a first length L1 measured in the Y-axis direction
- the second coil 462 may have a second length L2 measured in the Y-axis direction.
- the second length L2 may be greater than the first length L1 .
- the 1-3 regions 461-3 and 1-4 regions 461-4 that do not affect the net driving force in the Y-axis direction are compared to the Y-axis direction extension length of the second coil 462 . It may have a relatively small length.
- the area of the N-pole region may be greater than the area of the S-pole region.
- the N-pole region may extend longer in the Y-axis direction than the second length L2 in the Y-axis direction of the second coil 462 .
- the N-pole region and the S-pole region may be arranged in the Y-axis direction.
- the area of the N-pole region and the S-pole region may be different.
- the Y-axis direction extension length of the N pole region and the Y-axis direction extension length of the S pole region may be different.
- the S-pole region may extend longer in the Y-axis direction than the N-pole region.
- the difference between the Y-axis direction extension length of the N pole region and the Y-axis direction extension length of the S pole region is a difference in which the lens assembly (eg, the lens assembly 420 of FIG. 6 ) can move in the Y-axis direction. It can be greater than or equal to the displacement.
- the distance (eg, g1+g2) measured in the Y-axis direction between the 1-1 region 461-1 and the 1-2 th region 461-2 of the first coil 461 is
- the lens assembly eg, the lens assembly 420 of FIG. 6
- the displacement eg, 2d
- FIG. 8 is a diagram illustrating a guide structure of a camera module according to an exemplary embodiment.
- 9 is a view illustrating a guide structure, a first holder, and a second holder of a camera module according to an embodiment.
- structures of the camera assembly may be configured to have degrees of freedom in different directions.
- the first holder 430 may move in the X-axis, Y-axis, and Z-axis directions.
- the guide structure 440 may move in the X-axis and Z-axis directions, and may be fixed in the Y-axis direction.
- the second holder 450 may move in the Z-axis direction and may be fixed in the X-axis and Y-axis directions.
- any one of the first holder 430 , the guide structure 440 , and the second holder 450 may be configured to move relative to the structure coupled thereto.
- frictional force may be generated between the moving first holder 430 and the fixed guide structure 440 .
- a frictional force is generated between the moving first holder 430 and the guide structure 440 and the fixed second holder 450 .
- the camera module 400 may include a ball guide structure in order to provide smooth movement of each structure by reducing the frictional force.
- the ball guide structure may include a first ball 491 providing a rolling friction force between the first holder 430 and the guide structure 440 , and a rolling friction force between the second holder 450 and the guide structure. It may include a second ball 492 to provide.
- the guide structure 440 may include a first portion 441 and a second portion 442 .
- the first portion 441 and the second portion 442 may extend in a direction substantially perpendicular to each other.
- the first portion 441 may be positioned in a space between the side portion 432 of the first holder 430 and the body 431 .
- a first groove 443 may be formed in the first portion 441 .
- the first groove 443 may have an open shape in the +Z-axis direction.
- the width w of the first groove 443 may be related to a movement range of the first holder 430 in the Y-axis direction.
- a first recess 448 in which at least a portion of the first ball 491 is accommodated may be formed in the first portion 441 .
- the first recess 448 may be formed in plurality.
- the side portion 432 of the first holder 430 and the body 431 of the first holder 430 may be connected by a first connection portion 433 and a second connection portion 434 .
- a space S is formed between the side part 432 and the body 431 , and the first part 441 of the guide structure 440 may be at least partially disposed in the space S.
- the first connection portion 433 may be located inside the first groove 443 of the guide structure 440 .
- a third recess 438 in which at least a portion of the first ball 491 is accommodated may be formed in the side portion 432 of the first holder 430 .
- a plurality of third recesses 438 may be formed to correspond to the number of first recesses 448 .
- the third recess 438 may at least partially face the first recess 448 .
- the third recess 438 and the first recess 448 may at least partially overlap when viewed in the X-axis direction.
- the first connection part 433 may be formed such that the space is partially opened (S2) in the Y-axis direction.
- the first portion 441 of the guide structure 440 may extend in the Y-axis direction through the open portion S2 .
- the first ball 491 may be disposed at least partially in a space formed by the first recess 448 and the third recess 438 .
- a plurality of first balls 491 may be formed to correspond to the number of first recesses 448 and third recesses 438 .
- two or more first balls 491 may be disposed inside one first recess 448 or third recess 438 .
- the first ball 491 is disposed between the guide structure 440 and the first holder 430 when the first holder 430 moves in the Y-axis direction relative to the guide structure 440 . It can provide rolling friction.
- the first ball 491 may be configured to roll inside the first recess 448 and the third recess 438 .
- the first ball 491 may roll at a fixed position or while moving in the Y-axis direction. In one embodiment, when the first holder 430 and the guide structure 440 move together in the X-axis direction, the first ball 491 does not roll between the first holder 430 and the guide structure 440 . It can be moved in the X-axis direction in the placed state.
- the second part 442 may be disposed between the first holder 430 and the second holder 450 .
- a second recess 449 in which at least a portion of the second ball 492 is accommodated may be formed in the second portion 442 .
- the second recess 449 may be formed in plurality.
- a third magnet 480 may be disposed on a side surface of the second holder 450 in the +Y-axis direction.
- the third magnet 480 may be configured to interact with a third coil (eg, the third coil 463 of FIG. 5 ) fixedly disposed on the camera housing (eg, the camera housing 410 of FIG. 4 ).
- a fourth recess 459 in which at least a portion of the second ball 492 is accommodated may be formed on a side surface of the second holder 450 in the -Y-axis direction.
- a plurality of fourth recesses 459 may be formed to correspond to the number of second recesses 449 .
- the fourth recess 459 may at least partially face the second recess 449 .
- the fourth recess 459 and the second recess 449 may at least partially overlap when viewed in the Y-axis direction.
- the second ball 492 may be disposed in a space formed by the second recess 449 and the fourth recess 459 .
- a plurality of second balls 492 may be formed to correspond to the number of second recesses 449 and fourth recesses 459 .
- two or more second balls 492 may be disposed inside one second recess 449 or fourth recess 459 .
- the guide structure 440 and the second ball 492 A rolling friction force may be provided between the two holders 450 .
- the second ball 492 may be configured to roll inside the second recess 449 and the fourth recess 459 .
- the second ball 492 may be rolled at a fixed position or while moving in the X-axis direction.
- the second ball 492 does not roll and the second holder 450 does not roll. It may move in the Z-axis direction while being disposed between the and the guide structure 440 .
- the first part 441 of the guide structure 440 is located in the space S between the side part 432 of the first holder 430 and the body 431,
- the first connecting portion 433 of the first holder 430 is located at least partially inside the first groove 443 of the first portion 441 of the guide structure 440 , and the second portion of the guide structure 440 .
- 442 may be coupled to be positioned between the first holder 430 and the second holder 450 .
- the first ball 491 is disposed between the first portion 441 of the guide structure 440 and the side portion 432 of the first holder 430
- the second ball 492 is a guide It may be disposed between the second portion 442 of the structure 440 and the second holder 450 .
- the first recess 448 and the third recess 438 may extend longer in the Y-axis direction than in the Z-axis direction.
- the first ball 491 may be configured to transmit a Z-axis driving force to the first holder 430 without rolling when the guide structure 440 moves in the Z-axis direction.
- the second recess 449 and the fourth recess 459 may extend longer in the X-axis direction than in the Z-axis direction.
- the second ball 492 may be configured to transmit a Z-axis driving force to the guide structure 440 without rolling when the second holder 450 moves in the Z-axis direction.
- the Z-axis direction driving force acting on the second holder 450 may be transmitted to the first holder 430 and the lens assembly 420 through the guide structure 440 .
- FIG. 10 is a plan view of a camera module according to an embodiment.
- 11 is a diagram illustrating a camera module according to an embodiment.
- the camera module 400 may perform an image stabilization function to reduce image quality deterioration that may be caused by vibration (eg, hand shake) or impact.
- the image stabilization function is performed by moving the lens assembly 420 and the first holder 430 in a first direction (eg, Y-axis direction) and/or in a second direction perpendicular to the first direction (eg, X-axis direction).
- first direction and the second direction may be directions perpendicular to the optical axis, respectively.
- the camera module 400 is configured to perform a first image stabilization operation of moving the lens assembly 420 in a first direction and a second image stabilization operation of moving the lens assembly 420 in a second direction.
- the first image stabilization operation may be driven by the first coil 461
- the second image stabilization operation may be driven by the second coil 462 .
- the first image stabilization operation and the second image stabilization operation may be performed independently, and may be sequentially or simultaneously performed.
- the camera module shown in FIGS. 10 and 11 is a diagram illustrating a basic state in which an image stabilization operation is not performed.
- the camera module 400 may apply a current to the first coil 461 .
- the current flowing in the first coil 461 forms a magnetic field, and the magnetic field electromagnetically interacts with the N pole and the S pole of the first magnet 470 , so that the first magnet 470 has a driving force in the Y-axis direction. This may be authorized.
- the first holder 430 and the lens assembly 420 may move together in the Y-axis direction. In an embodiment, during the first image stabilization operation, the first holder 430 may move in the Y-axis direction, and the guide structure 440 and the second holder 450 may not move. In the first image stabilization operation, the first holder 430 moves in the +Y-axis direction until the first connecting portion 433 contacts the first inner wall 4431 of the first groove 443 of the guide structure 440 . can move to In the first image stabilization operation, the first holder 430 moves in the -Y-axis direction until the first connecting portion 433 contacts the second inner wall 4432 of the first groove 443 of the guide structure 440 . can move to For example, the first groove 443 of the guide structure 440 and the first connecting portion 433 of the first holder 430 limit the movement range of the first holder 430 and the lens assembly 420 . It can function as a stopper.
- the first holder 430 and the lens assembly 420 have a second connecting portion 434 at a first end of the first portion 441 of the guide structure 440 . It can move in the +Y-axis direction until it touches (4411) (eg, the -Y-axis direction end).
- the first end 4411 of the guide structure 440 and the second connecting portion 434 of the first holder 430 may function as a stopper for limiting the range of movement of the first holder 430 and the lens assembly 420 .
- the sum of the distances d measured in the direction may be substantially equal to the maximum displacement of the lens assembly 420 in the Y-axis direction.
- the measured distance d may be equal to the distance between the first end 4411 and the second connecting portion 434 .
- the first ball (eg, the first ball 491 of FIGS. 8 and 9 ) moves in the Y-axis direction with the guide structure 440 fixed in the Y-axis direction.
- a rolling friction force may be provided between the first holders 430 .
- the camera module 400 may apply a current to the second coil 462 .
- the current flowing in the second coil 462 forms a magnetic field, and the magnetic field electromagnetically interacts with either the N pole or the S pole of the first magnet 470 , so that the first magnet 470 has an X-axis
- a directional driving force may be applied. For example, an attractive force or a repulsive force may act between the first magnet 470 and the second coil 462 .
- the first holder 430 , the lens assembly 420 , and the guide structure 440 may move together in the X-axis direction.
- the first holder 430 and the guide structure 440 may move in the X-axis direction, and the second holder 450 may be fixed at a designated position in the X-axis direction.
- the measured distance in the X-axis direction from the first magnet 470 to the first coil 461 and the second coil 462 may vary.
- the guide structure 440 and the first holder 430 move in the -X-axis direction, and the first magnet ( When an attractive force is generated between the 470 and the second coil 462 , the guide structure 440 and the first holder 430 may move in the +X-axis direction.
- the second ball (eg, the second ball 492 of FIGS. 8 and 9 ) moves in the X-axis direction with the second holder 450 fixed in the X-axis direction. It is possible to provide a rolling friction force between the guide structures 440 .
- the first ball 491 may move in the X-axis direction while being positioned between the first holder 430 and the first portion 441 of the guide structure 440 .
- the first coil 461 may be formed such that current flows in a rotational direction about an arbitrary axis x1 substantially parallel to the X-axis direction.
- the first coil 461 may include a conductive wire or a printed conductive pattern wound around an arbitrary axis x1 substantially parallel to the X-axis.
- the second coil 462 may be formed such that current flows in a rotational direction about an arbitrary axis x2 substantially parallel to the X-axis direction.
- the second coil 462 may include a conductive wire or printed conductive pattern wound about an arbitrary axis x2 substantially parallel to the X axis.
- 12 is a diagram illustrating an auto-focus operation and an image stabilization operation of a camera module according to an exemplary embodiment.
- 12A is a cross-sectional view taken along line A-A' of FIG. 10 .
- 12B is a cross-sectional view taken along line B-B' of FIG. 10 .
- the camera module 400 may be configured to perform an auto-focus operation.
- the auto focus operation may be performed by moving the lens assembly 420 in the optical axis OA direction. Accordingly, the distance between the lens included in the lens assembly 420 and the image sensor (eg, the image sensor 419 of FIG. 5 ) fixedly disposed inside the camera housing may be adjusted.
- the autofocus operation may be performed independently of the image stabilization operation.
- the autofocus operation may be driven by the third coil 463 .
- the third coil 463 may be disposed to face the third magnet 480 disposed on the second holder 450 .
- the third coil 463 may face the third magnet 480 in the Y-axis direction.
- the camera module 400 may apply a current to the third coil 463 .
- the current flowing in the third coil 463 forms a magnetic field, and the magnetic field is electromagnetically interacted with the N pole and the S pole of the third magnet 480 , and the third magnet 480 has a driving force in the Z-axis direction. This may be authorized.
- structures included in the camera assembly 401 may move in the optical axis direction (eg, in the Z-axis direction).
- the second holder 450 and the guide structure 440 may be coupled to move together in the Z-axis direction through a second ball (eg, the second ball 492 of FIGS. 8 and 9 ).
- a second ball eg, the second ball 492 of FIGS. 8 and 9 .
- the second ball 492 may transmit the Z-axis direction driving force applied to the second holder 450 to the guide structure 440 without rolling.
- the guide structure 440 and the first holder 430 may be coupled to move together in the Z-axis direction through a first ball (eg, the first ball 491 of FIGS. 8 and 9 ). Since the first recess 448 and the third recess 438 shown in FIGS. 8 and 9 have a shape elongated in the Y-axis direction, the first ball 491 does not roll during the auto-focus operation.
- the Z-axis direction driving force applied to the guide structure 440 may be transmitted to the first holder 430 .
- the lens assembly 420 , the first holder 430 , and the guide structure 440 move in the X-axis direction, and the second holder 450 .
- the first coil 461 , the second coil 462 , and the third coil 463 may not move.
- the lens assembly 420 and the first holder 430 move in the Y-axis direction, and the guide structure 440 and the second holder 450 .
- the first coil 461 , the second coil 462 , and the third coil 463 may not move.
- the camera assembly 401 includes a first coil 461 disposed in a camera housing (eg, the camera housing 410 of FIG. 4 ), a second The second coil 462 and the third coil 463 may move relatively in the Z-axis direction.
- the lens assembly 420 , the first holder 430 , the guide structure 440 , and the second holder 450 move in the Z-axis direction, and the first coil 461 and the second coil 462 .
- the third coil 463 may not move.
- the camera module 400 includes a camera housing 410 including an image sensor 419; a lens assembly 420 including a lens aligned with the image sensor 419 in an optical axis direction; a first coupled to the lens assembly 420 and configured to move together with the lens assembly 420 in a first direction perpendicular to the optical axis, and in a second direction perpendicular to each of the optical axis and the first direction.
- a first magnet 470 is disposed on the first side of the first holder 430;
- a first coil 461 disposed on the first inner surface of the camera housing 410, the first coil 461, when viewed in the second direction, the N-pole region and S of the first magnet 470 arranged to at least partially overlap each of the pole regions; and
- a second coil 462 disposed on the first inner surface of the camera housing 410 and disposed adjacent to the first coil.
- 1 magnet 470 disposed to at least partially overlap with any one of the N-pole region and the S-pole region of the magnet 470 .
- the camera module 400 applies an electric signal to the first coil 461 to move the lens assembly 420 and the first holder 430 in the first direction, and
- the lens assembly 420 and the first holder 430 may be moved in the second direction by applying an electric signal to the second coil 462 .
- the N-pole region may be located in the first direction from the S-pole region.
- the first magnet 470 may have an area of the N-pole region and an area of the S-pole region different from each other.
- the S pole region extends longer in the first direction than the N pole region, and the second coil 462 is disposed to face the S pole region when viewed in the second direction.
- the first coil 461 includes a wound conductive wire surrounding the first space or a conductive pattern surrounding the first region, and when viewed in the second direction, the first space or the second coil 461 .
- region 1 a boundary line between the N-pole region and the S-pole region may be positioned.
- the first coil 461 includes a portion extending in a first length in the first direction
- the second coil 462 includes a second length longer than the first length in the first direction. It may include a portion extending in length.
- the first coil 461 includes a 1-1 part 461-1 and a 1-2 part 461-2 extending in a direction parallel to the optical axis, and
- the 1-1 portion 461-1 may face the N-pole region, and the 1-2-th portion 461-2 may face the S-pole region.
- the distance measured in the first direction between the first-first part 461-1 and the first-second part 461-2 is the lens assembly 420 and the first holder 430 may be greater than a displacement capable of moving in the first direction.
- the second coil 462 faces the S pole region when viewed in the second direction and has a first length measured along the first direction, and the S pole region is the first direction, and a difference between the second length and the first length may be greater than a displacement by which the lens assembly 420 and the first holder 430 can move in the first direction.
- the first holder 430 includes a body 431 on which the lens assembly 420 is disposed, and a side portion 432 on which the first magnet 470 is disposed, and the camera module
- the reference numeral 400 further includes a guide structure 440 positioned in a space between the body 431 and the side part 432 and at least a part of which extends in the first direction, the lens assembly 420 and the
- the first holder 430 may be configured to move in the first direction relative to the guide structure 440 and to move in the second direction together with the guide structure 440 .
- the camera module 400 further includes a first ball 491 disposed between the guide structure 440 and the side portion 432 of the first holder 430 , When the lens assembly 420 and the first holder 430 move in the first direction, the first ball 491 is formed between the side portion 432 of the first holder 430 and the guide structure 440 . may be configured to provide rolling friction between them.
- At least a portion of the first ball 491 is positioned in the first portion 441 of the guide structure 440 and a first recess 448 elongated in the first direction is formed. At least a portion of the first ball 491 is positioned in the side portion 432 of the first holder 430 and a second recess 438 elongated in the first direction is formed, and the The first recess 448 and the second recess 438 may at least partially overlap when viewed in the second direction.
- the camera module 400 includes a third coil 463 disposed on the second inner surface of the camera housing 410; and a third magnet 480 disposed between the second inner surface and the first holder 430 and at least partially overlapping the third coil 463 when viewed in the first direction.
- holder 450 including, wherein the camera module 400 moves the first holder 430 and the lens assembly 420 in a direction parallel to the optical axis using the third coil 463 to form the lens and It may be configured to adjust the distance between the image sensors 419 .
- the first holder 430 includes a body 431 on which the lens assembly 420 is disposed, and a side portion 432 on which the first magnet 470 is disposed, and the camera module Reference numeral 400 denotes a guide structure 440 including a first portion 441 extending in the first direction and a second portion 442 extending in the second direction, and the guide structure 440 .
- At least a portion of the first portion 441 is located in the space between the body 431 and the side portion 432 , and at least a portion of the second portion 442 is formed with the second holder 450 and It is disposed to be positioned in the space between the first holder 430 and moves in the second direction relative to the second holder 450 together with the first holder 430 and the lens assembly 420 .
- a second ball 492 is disposed between the second holder 450 and the second portion 442 of the guide structure 440 , and the second ball 492 is the lens assembly.
- the second holder 450 and the second portion 442 of the guide structure 440 may be configured to provide rolling friction between them.
- the first holder 430 further includes a connecting portion 433 connecting the body 431 and the side portion 432 , wherein the connecting portion 433 is at least partially formed by the guide It is located inside the first groove 443 formed in the first part 441 of the structure 440 , and the lens assembly 420 and the first holder 430 have the connection part 433 connected to the first groove 443 . It may be configured to move in the first direction while being positioned between the first inner wall 4431 and the second inner wall 4432 of the first groove 443 .
- the third coil 463 is disposed to at least partially overlap with each of the N pole region and the S pole region of the third magnet 480 , and the N pole region is the light beam from the S pole region. It may be positioned in a direction parallel to the axis.
- the electronic device 300 includes a housing 310 and a camera module 400 disposed inside the housing 310 , and the camera module 400 includes a camera housing 410 . ); a camera assembly 401 disposed inside the camera housing 410 and including a lens assembly 420; a first coil 461 and a second coil 462 disposed on a first inner surface of the camera housing 410 , and a first magnet 470 disposed on a first side surface of the camera assembly 401 .
- a first driving unit and a second driving unit including a third coil 463 disposed on a second inner surface of the camera housing 410 and a third magnet 480 disposed on a second side surface of the camera assembly 401; including, wherein the first magnet 470 is configured such that a first opposing surface facing the first coil 461 and the second coil 462 has an N pole region and an S pole region, and the light
- the first coil 461 at least partially overlaps each of the N-pole region and the S-pole region of the first magnet 470 , and is perpendicular to the optical axis.
- the second coil 462 may be configured to at least partially overlap either the N-pole region or the S-pole region of the first magnet 470 .
- the electronic device 300 uses the first coil 461 to move the lens assembly 420 in the second direction and a first direction perpendicular to the optical axis, respectively, and It is configured to move the lens assembly 420 in the second direction using a second coil 462 , and moves the camera assembly in a direction parallel to the optical axis using the third coil 463 . can be configured to do so.
- the second coil 462 faces the S pole region, the S pole region is located in the first direction from the N pole region, and the S pole region is larger than the N pole region. It may extend longer in the first direction.
- an (eg, first) component is referred to as being “connected (functionally or communicatively)” or “connected” to another (eg, second) component, that component is It may be directly connected to the component or may be connected through another component (eg, a third component).
- a device configured to may mean that the device is “capable of” with other devices or components.
- a processor configured (or configured to perform) A, B, and C refers to a processor dedicated to performing the operations (eg, an embedded processor), or stored in a memory device (eg, memory #30). By executing one or more programs, it may refer to a general-purpose processor (eg, CPU or AP) capable of performing corresponding operations.
- module includes a unit composed of hardware, software, or firmware, and may be used interchangeably with terms such as, for example, logic, logic block, component, or circuit.
- a “module” may be an integrally formed component or a minimum unit or a part of performing one or more functions.
- a “module” may be implemented mechanically or electronically, for example, known or to be developed, application-specific integrated circuit (ASIC) chips, field-programmable gate arrays (FPGAs), or It may include a programmable logic device.
- ASIC application-specific integrated circuit
- FPGAs field-programmable gate arrays
- At least a portion of an apparatus (eg, modules or functions thereof) or a method (eg, operations) according to various embodiments is stored in a computer-readable storage medium (eg, memory #30) in the form of a program module It can be implemented as a command.
- a processor eg, processor #20
- the processor may perform a function corresponding to the instruction.
- Computer-readable recording media include hard disks, floppy disks, magnetic media (eg, magnetic tape), optical recording media (eg, CD-ROM, DVD, magneto-optical media (eg, floppy disks), built-in memory, etc.)
- An instruction may include code generated by a compiler or code that can be executed by an interpreter.
- Each of the components may be composed of a singular or a plurality of entities, and some sub-components of the aforementioned sub-components may be omitted, or other sub-components may be included. may include more. Alternatively or additionally, some components (eg, a module or a program module) may be integrated into one entity to perform the same or similar functions performed by each corresponding component before being integrated. Operations performed by modules, program modules, or other components according to various embodiments are sequentially, parallelly, repetitively or heuristically executed, or at least some operations are executed in a different order, omitted, or other operations This can be added.
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Abstract
Description
Claims (15)
- 카메라 모듈에 있어서,이미지 센서를 포함하는 카메라 하우징;상기 이미지 센서와 광 축 방향으로 정렬되는 렌즈를 포함하는 렌즈 어셈블리;상기 렌즈 어셈블리에 결합되고 상기 렌즈 어셈블리와 함께 상기 광 축에 수직한 제1 방향, 및 상기 광 축과 상기 제1 방향 각각에 수직한 제2 방향으로 이동하도록 구성되는 제1 홀더, 상기 제1 홀더의 제1 측면에는 제1 마그넷이 배치됨;상기 카메라 하우징의 제1 내측면에 배치되는 제1 코일, 상기 제1 코일은 상기 제2 방향으로 볼 때, 상기 제1 마그넷의 N극 영역 및 S극 영역 각각과 적어도 부분적으로 중첩되도록 배치됨; 및상기 카메라 하우징의 상기 제1 내측면에 배치되고 상기 제1 코일에 인접하게 배치되는 제2 코일, 상기 제2 코일은 상기 제2 방향으로 볼 때, 상기 제1 마그넷의 상기 N극 영역 또는 상기 S극 영역 중 어느 하나와 적어도 부분적으로 중첩되도록 배치됨;를 포함하는 카메라 모듈.
- 청구항 1에 있어서,상기 카메라 모듈은 상기 제1 코일에 전기 신호를 인가함으로써 상기 렌즈 어셈블리 및 상기 제1 홀더를 상기 제1 방향으로 이동시키고, 및 상기 제2 코일에 전기 신호를 인가함으로써 상기 렌즈 어셈블리 및 상기 제1 홀더를 상기 제2 방향으로 이동시키도록 구성되는 카메라 모듈.
- 청구항 1에 있어서,상기 N극 영역은 상기 S극 영역으로부터 상기 제1 방향에 위치하는 카메라 모듈.
- 청구항 1에 있어서,상기 제1 마그넷은 상기 N극 영역의 면적 및 상기 S극 영역의 면적이 상이하게 형성되는 카메라 모듈.
- 청구항 1에 있어서,상기 S극 영역은 상기 N극 영역보다 상기 제1 방향으로 더 길게 연장되고,상기 제2 코일은 상기 제2 방향으로 볼 때, 상기 S극 영역과 마주보도록 배치되는 카메라 모듈.
- 청구항 1에 있어서,상기 제1 코일은 제1 공간을 둘러싸는 권취된 도선 또는 제1 영역을 둘러싸는 도전성 패턴을 포함하고,상기 제2 방향으로 볼 때, 상기 제1 공간 또는 상기 제1 영역에는 상기 N극 영역과 상기 S극 영역의 경계선이 위치하는 카메라 모듈.
- 청구항 1에 있어서,상기 제1 코일은 상기 제1 방향으로 제1 길이로 연장된 부분을 포함하고,상기 제2 코일은 상기 제1 방향으로 상기 제1 길이보다 긴 제2 길이로 연장된 부분을 포함하는 카메라 모듈.
- 청구항 1에 있어서,상기 제1 코일은 상기 광 축에 평행한 방향으로 연장되는 제1-1 부분 및 제1-2 부분을 포함하고,상기 제1-1 부분은 상기 N극 영역과 마주보고,상기 제1-2 부분은 상기 S극 영역과 마주보는 카메라 모듈.
- 청구항 8에 있어서,상기 제1-1 부분과 상기 제1-2 부분 사이의 상기 제1 방향으로 측정된 거리는, 상기 렌즈 어셈블리 및 상기 제1 홀더가 상기 제1 방향으로 이동할 수 있는 변위보다 큰 카메라 모듈.
- 청구항 1에 있어서,상기 제2 코일은 상기 제2 방향으로 볼 때 상기 S극 영역과 마주보고, 상기 제1 방향을 따라 측정된 제1 길이를 가지고,상기 S극 영역은 상기 제1 방향으로 제2 길이로 연장되고,상기 제2 길이와 상기 제1 길이의 차이는, 상기 렌즈 어셈블리 및 상기 제1 홀더가 상기 제1 방향으로 이동할 수 있는 변위보다 큰 카메라 모듈.
- 청구항 1에 있어서,상기 제1 홀더는 상기 렌즈 어셈블리가 배치되는 바디, 및 상기 제1 마그넷이 배치되는 측면 부분을 포함하고,상기 카메라 모듈은 상기 바디 및 상기 측면 부분 사이의 공간에 위치하고 적어도 일부가 상기 제1 방향으로 길게 연장된 가이드 구조물을 더 포함하고,상기 렌즈 어셈블리 및 상기 제1 홀더는, 상기 가이드 구조물에 대해 상대적으로 상기 제1 방향으로 이동하고 및 상기 가이드 구조물과 함께 상기 제2 방향으로 이동하도록 구성되는 카메라 모듈.
- 청구항 11에 있어서,상기 카메라 모듈은, 상기 카메라 하우징의 제2 내측면에 배치되는 제3 코일; 및 상기 제2 내측면과 상기 제1 홀더 사이에 배치되고 상기 제1 방향으로 볼 때, 상기 제3 코일과 적어도 부분적으로 중첩되는 제3 마그넷을 포함하는 제2 홀더; 을 포함하고,상기 카메라 모듈은, 상기 제3 코일을 이용하여 상기 제1 홀더 및 상기 렌즈 어셈블리를 상기 광 축에 평행한 방향으로 이동시킴으로써 상기 렌즈와 상기 이미지 센서 사이의 거리를 조절하도록 구성되는 카메라 모듈.
- 청구항 12에 있어서,상기 카메라 모듈은 상기 제1 방향으로 연장된 제1 부분, 및 상기 제2 방향으로 연장된 제2 부분을 포함하는 가이드 구조물을 포함하고,상기 가이드 구조물은,상기 제1 부분의 적어도 일부가 상기 바디와 상기 측면 부분 사이의 공간에 위치하고, 상기 제2 부분의 적어도 일부가 상기 제2 홀더와 상기 제1 홀더 사이의 공간에 위치하도록 배치되고, 및상기 제1 홀더 및 상기 렌즈 어셈블리와 함께 상기 제2 홀더에 대해 상대적으로 상기 제2 방향으로 이동하도록 구성되는 카메라 모듈.
- 청구항 13에 있어서,상기 제1 홀더는 상기 바디와 상기 측면 부분을 연결하는 연결 부분을 더 포함하고,상기 연결 부분은 적어도 부분적으로 상기 가이드 구조물의 상기 제1 부분에 형성되는 제1 홈의 내부에 위치하고,상기 렌즈 어셈블리 및 상기 제1 홀더는 상기 연결 부분이 상기 제1 홈의 제1 내벽 및 제2 내벽 사이에 위치하는 상태로 상기 제1 방향으로 이동하도록 구성되는 카메라 모듈.
- 전자 장치에 있어서,하우징 및 상기 하우징 내부에 배치되는 카메라 모듈을 포함하고,상기 카메라 모듈은,카메라 하우징;상기 카메라 하우징 내부에 배치되고, 렌즈 어셈블리를 포함하는 카메라 어셈블리;상기 카메라 하우징의 제1 내측면에 배치되는 제1 코일과 제2 코일, 및 상기 카메라 어셈블리의 제1 측면에 배치되는 제1 마그넷을 포함하는 제1 구동부; 및상기 카메라 하우징의 제2 내측면에 배치되는 제3 코일, 및 상기 카메라 어셈블리의 제2 측면에 배치되는 제3 마그넷을 포함하는 제2 구동부;를 포함하고,상기 제1 마그넷은, 상기 제1 코일 및 상기 제2 코일과 마주보는 제1 대향면이 N극 영역 및 S극 영역을 가지도록 구성되고,광 축에 수직한 제2 방향으로 볼 때, 상기 제1 코일은 상기 제1 마그넷의 상기 N극 영역 및 상기 S극 영역 각각과 적어도 부분적으로 중첩되고,상기 광 축에 수직한 제2 방향으로 볼 때, 상기 제2 코일은 상기 제1 마그넷의 상기 N극 영역 또는 상기 S극 영역 중 어느 하나와 적어도 부분적으로 중첩되도록 구성되는 전자 장치.
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EP22788428.5A EP4300187A4 (en) | 2021-04-16 | 2022-04-13 | CAMERA MODULE AND ELECTRONIC DEVICE COMPRISING SAME |
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KR20130072721A (ko) * | 2011-12-22 | 2013-07-02 | 삼성전기주식회사 | 손떨림 보정장치 |
KR20150080367A (ko) * | 2013-12-31 | 2015-07-09 | (주)옵티스 | 틸팅 방식 ois 카메라 모듈 |
US20170285363A1 (en) * | 2016-03-29 | 2017-10-05 | Tdk Taiwan Corp. | Lens driving device |
KR101792441B1 (ko) * | 2016-12-06 | 2017-10-31 | 삼성전기주식회사 | 카메라 모듈 |
US20180356646A1 (en) * | 2017-06-07 | 2018-12-13 | Tdk Taiwan Corp. | Optical system |
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US9134503B2 (en) * | 2012-07-06 | 2015-09-15 | Apple Inc. | VCM OIS actuator module |
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KR20130072721A (ko) * | 2011-12-22 | 2013-07-02 | 삼성전기주식회사 | 손떨림 보정장치 |
KR20150080367A (ko) * | 2013-12-31 | 2015-07-09 | (주)옵티스 | 틸팅 방식 ois 카메라 모듈 |
US20170285363A1 (en) * | 2016-03-29 | 2017-10-05 | Tdk Taiwan Corp. | Lens driving device |
KR101792441B1 (ko) * | 2016-12-06 | 2017-10-31 | 삼성전기주식회사 | 카메라 모듈 |
US20180356646A1 (en) * | 2017-06-07 | 2018-12-13 | Tdk Taiwan Corp. | Optical system |
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EP4300187A1 (en) | 2024-01-03 |
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