WO2023038256A1 - 전원 노이즈를 감소시키기 위한 인쇄 회로 기판 및 이를 포함하는 전자 장치 - Google Patents
전원 노이즈를 감소시키기 위한 인쇄 회로 기판 및 이를 포함하는 전자 장치 Download PDFInfo
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- plate
- circuit board
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- printed circuit
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
Definitions
- One or more embodiments of the present disclosure relate generally to electronic devices, including, for example, electronic devices including printed circuit boards for reducing power supply noise.
- a flexible printed circuit board may be disposed to connect the circuit board and the electronic component to transmit signals from the circuit board to an electronic component (eg, a communication module or a camera module).
- Signal transmission characteristics eg, insertion loss
- frequency characteristics e.g. impedance
- power supply noise can vary from desired voltage levels and can negatively impact the performance degradation of electronic components (eg, communication modules).
- Specific embodiments disclosed in this document may provide an electronic device that reduces power supply noise.
- An electronic device includes a first electronic component, a second electronic component, and a printed circuit board configured to connect the first electronic component and the second electronic component and block power supply noise of a target frequency band. and the printed circuit board is a first signal layer including a first signal plate, the first signal plate having a length pattern having a length corresponding to a first parameter of the target frequency band.
- a first ground layer comprising a signal layer, a first ground plate positioned below the first signal plate, the first ground plate having a first area, wherein the first ground layer, below the first ground plate a second signal layer including a second signal plate positioned between the first ground plate and the second signal plate and having a first thickness and a first permittivity; a first dielectric positioned below the second signal plate; a second ground layer including a second ground plate having a second ground plate having a second area corresponding to a second parameter of the target frequency band, the second ground layer, and the second signal plate and a second dielectric positioned between the second ground plates, the second dielectric having a second thickness and a second dielectric constant corresponding to the second parameter.
- a printed circuit board may be a printed circuit board configured to block power source noise of a target frequency band.
- the printed circuit board is a first signal layer including a first signal plate, the first signal plate having a length pattern having a length corresponding to a first parameter of the target frequency band.
- a first ground layer including a first ground plate positioned below the first signal plate, the first ground plate having a first area, the first ground layer positioned below the first ground plate
- a second signal layer comprising a second signal plate, a first dielectric positioned between the first ground plate and the second signal plate and having a first thickness and a first permittivity, a first dielectric positioned below the second signal plate.
- a second ground layer comprising two ground plates, the second ground plate having a second area corresponding to a second parameter of the target frequency band, and the second ground layer, and the second signal plate and the A second dielectric positioned between the second ground plates, the second dielectric having a second thickness and a second permittivity corresponding to the second parameter.
- An electronic device includes a power management module, an antenna module, and a flexible printed circuit board configured to connect the power management module and the antenna module and block power source noise of a target frequency band
- a circuit board is a first signal layer including a first signal plate, wherein the first signal plate has a length pattern having a length corresponding to an inductance of the target frequency band.
- a first ground layer including a first ground plate positioned below the signal plate, the first ground plate having a first area; a second signal plate positioned below the first ground plate;
- a second signal layer comprising a first dielectric, a first dielectric having a first thickness and a first permittivity, positioned between the first ground plate and the second signal plate, and a second ground plate positioned under the second signal plate.
- a second ground layer including, wherein the second ground plate has a second area corresponding to the capacitance of the target frequency band, and between the second ground layer and the second signal plate and the second ground plate.
- a positioned second dielectric may include the second dielectric having a second thickness and a second permittivity corresponding to the capacitance.
- a layout that does not require a separate component (eg, decoupling capacitor) to reduce power supply noise (eg, simultaneous switching noise), printing for reducing power supply noise Power supply noise can be reduced by implementing the layout of the circuit board.
- a separate component eg, decoupling capacitor
- power supply noise eg, simultaneous switching noise
- FIG. 1 is a block diagram of an electronic device in a network environment according to an embodiment.
- FIG. 2A is a perspective view of an electronic device viewed in one direction according to an exemplary embodiment
- 2B is a perspective view of an electronic device viewed in another direction according to an exemplary embodiment
- 2C is an exploded perspective view of an electronic device according to an exemplary embodiment.
- 3A is a plan view illustrating a partial structure of an electronic device according to an exemplary embodiment.
- 3B is a plan view of a printed circuit board according to an embodiment.
- 4A is a side view of a printed circuit board according to one embodiment.
- 4B is a plan view of a first signal layer viewed from a printed circuit board according to an exemplary embodiment.
- 4C is a plan view of a first ground layer viewed from a printed circuit board in a state in which the first signal layer is removed from the printed circuit board according to an exemplary embodiment.
- 4D is a plan view of a second signal layer viewed from a printed circuit board in which the first signal layer and the first ground layer are removed from the printed circuit board according to an exemplary embodiment.
- 4E is a plan view of a second ground layer viewed from a printed circuit board in which the first signal layer, the first ground layer, and the second signal layer are removed from the printed circuit board according to an exemplary embodiment.
- 5A is a schematic perspective view of a flexible printed circuit board according to an exemplary embodiment.
- 5B is a schematic plan view of a flexible printed circuit board according to an embodiment.
- 5C is a side view of a flexible printed circuit board viewed in one direction according to an exemplary embodiment.
- 5D is a side view of a flexible printed circuit board viewed in another direction according to an exemplary embodiment.
- 6A is a graph comparing impedance of power supply noise generated when a decoupling capacitor is applied and impedance of power supply noise generated in a flexible printed circuit board according to an embodiment.
- 6B is a graph comparing the magnitude of the electromagnetic field emitted by the flexible printed circuit board and the magnitude of the electromagnetic field emitted when a decoupling capacitor is applied according to an embodiment.
- 7A is a plan view of a length pattern according to an embodiment.
- 7B is a plan view of a length pattern according to an embodiment.
- 7C is a plan view of a length pattern according to an embodiment.
- 7D is a plan view of a length pattern according to an embodiment.
- FIG. 8A is a perspective view schematically illustrating a flexible printed circuit board from which a first signal layer is removed from the flexible printed circuit board according to an exemplary embodiment.
- FIG. 8B is a schematic plan view of a first ground layer according to an embodiment.
- FIG. 9 is a graph comparing the impedance of power supply noise generated in the flexible printed circuit boards of FIGS. 8A and 8B having a slot structure and the impedance of power supply noise generated in a flexible printed circuit board without a slot structure.
- FIG. 1 is a block diagram of an electronic device in a network environment according to an embodiment.
- an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or through a second network 199. It may communicate with at least one of 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 at least one of the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or the antenna module 197 may be included.
- at least one of these components eg, the connection terminal 178) may be omitted or one or more other components may be added.
- some of these components eg, sensor module 176, camera module 180, or antenna module 197) are integrated into one component (eg, display module 160). It can be.
- the processor 120 for example, executes software (eg, the program 140) to cause at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, the processor 120 transfers commands or data received from other components (eg, sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- software eg, the program 140
- the processor 120 transfers commands or data received from other components (eg, sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- the processor 120 may include a main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor).
- a main processor 121 eg, a central processing unit or an application processor
- a secondary processor 123 eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor.
- NPU neural network processing unit
- the secondary processor 123 may be implemented separately from or as part of the main processor 121 .
- the secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
- the auxiliary processor 123 eg, an image signal processor or a communication processor
- the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
- AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself where the artificial intelligence model is performed, or may be performed through a separate server (eg, the server 108).
- the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning or reinforcement learning, but in the above example Not limited.
- the artificial intelligence model may include a plurality of artificial neural network layers.
- Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the foregoing, but is not limited to the foregoing examples.
- the artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.
- the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101 .
- the data may include, for example, input data or output data for software (eg, program 140) and commands related thereto.
- the memory 130 may include volatile memory 132 or non-volatile memory 134 .
- the program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
- the input module 150 may receive a command or data to be used by a component (eg, the processor 120) of the electronic device 101 from the outside of the electronic device 101 (eg, a user).
- the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
- the sound output module 155 may output sound signals to the outside of the electronic device 101 .
- the sound output module 155 may include, for example, a speaker or a receiver.
- the speaker can be used for general purposes such as multimedia playback or recording playback.
- a receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
- the display module 160 may visually provide information to the outside of the electronic device 101 (eg, a user).
- the display module 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device.
- the display module 160 may include a touch sensor configured to detect a touch or a pressure sensor configured to measure the intensity of force generated by the touch.
- the audio module 170 may convert sound into an electrical signal or vice versa. According to an embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do.
- the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a bio sensor, It may include a temperature sensor, humidity sensor, or light sensor.
- the interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102).
- the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card interface
- audio interface audio interface
- connection terminal 178 may include a connector through which the electronic device 101 may be physically connected to an external electronic device (eg, the electronic device 102).
- the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 179 may convert electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses.
- the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 180 may capture still images and moving images. According to one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 188 may manage power supplied to the electronic device 101 .
- the power management module 188 may be implemented as at least part of a power management integrated circuit (PMIC), for example.
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101 .
- the battery 189 may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.
- the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establishment and communication through the established communication channel may be supported.
- the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
- the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : a local area network (LAN) communication module or a power line communication module).
- a 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, : a local area network (LAN) communication module or a power line communication module.
- a corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, 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 telecommunications network such as a computer network (eg, a LAN or a WAN).
- a telecommunications network such as a computer network (eg, a LAN or a WAN).
- These various types of communication modules may be integrated as one component (eg, a single chip) or implemented as a plurality of separate components (eg, multiple chips).
- 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, NR access technology (new radio access technology).
- NR access technologies include high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low latency (URLLC)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low latency
- -latency communications can be supported.
- the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- the wireless communication module 192 uses various technologies for securing performance in a high frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. Technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna may be supported.
- the wireless communication module 192 may support various requirements defined for the electronic device 101, an external electronic device (eg, the electronic device 104), or a network system (eg, the second network 199).
- the wireless communication module 192 is a peak data rate for eMBB realization (eg, 20 Gbps or more), a loss coverage for mMTC realization (eg, 164 dB or less), or a U-plane latency for URLLC realization (eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) may be supported.
- eMBB peak data rate for eMBB realization
- a loss coverage for mMTC realization eg, 164 dB or less
- U-plane latency for URLLC realization eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less
- the antenna module 197 may transmit or receive signals or power to the outside (eg, an external electronic device).
- the antenna module 197 may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (eg, PCB).
- the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is selected from the plurality of antennas by the communication module 190, for example. can be chosen A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
- other components eg, a radio frequency integrated circuit (RFIC) may be additionally formed as a part of the antenna module 197 in addition to the radiator.
- RFIC radio frequency integrated circuit
- the antenna module 197 may form a mmWave antenna module.
- the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a lower surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
- peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- signal e.g. commands or data
- commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
- Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
- all or part of operations executed in the electronic device 101 may be executed in one or more external electronic devices among the external electronic devices 102 , 104 , or 108 .
- the electronic device 101 when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself.
- one or more external electronic devices may be requested to perform the function or at least part of the service.
- One or more external electronic devices receiving the request may execute at least a part of the requested function or service or an additional function or service related to the request, and deliver the execution result to the electronic device 101 .
- the electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed.
- cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
- the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 104 may include an internet of things (IoT) device.
- Server 108 may be an intelligent server using machine learning and/or neural networks.
- the external electronic device 104 or server 108 may be included in the second network 199 .
- the electronic device 101 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- Electronic devices may be devices of various types.
- the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance.
- a portable communication device eg, a smart phone
- a computer device e.g., a smart phone
- a portable multimedia device e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a camera
- a wearable device e.g., a smart bracelet
- first, second, or first or secondary may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited.
- a (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.”
- the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.
- each component (eg, module or program) of the above-described components may include a single object or a plurality of objects, and some of the plurality of objects may be separately disposed in other components. .
- one or more components or operations among the corresponding components described above may be omitted, or one or more other components or operations may be added.
- a plurality of components eg modules or programs
- the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. .
- the electronic device 201 (eg, the electronic device 101 of FIG. 1 ) has a first surface 210a (eg, a front surface) and a second surface 210b (eg, a rear surface). ), and a third surface 210c (eg, a side surface) surrounding a space between the first surface 210a and the second surface 210b.
- a first surface 210a eg, a front surface
- a second surface 210b eg, a rear surface
- a third surface 210c eg, a side surface
- the first surface 210a may be formed by a first plate 211a, at least a portion of which is substantially transparent.
- the first plate 211a may be implemented at least in part by a glass plate or a polymer plate including at least one coating layer.
- the second surface 210b may be implemented by a substantially opaque second plate 211b.
- the second plate 211b may be made of coated or colored glass, ceramic, polymer, metal (eg, aluminum, stainless steel (STS), or magnesium), or a combination thereof.
- the third surface 210c may be implemented by a frame 211c coupled to the first plate 211a and the second plate 211b and including metal and/or polymer.
- the second plate 211b and the frame 211c may be integrally and seamlessly formed.
- the second plate 211b and the frame 211c may be made of substantially the same material (eg, aluminum).
- the first plate 211a is rounded in one direction from at least a portion of the first surface 210a toward the second plate 211b and in one direction (eg, +/-Y direction).
- a plurality of first edge regions 212a-1 extending from at least a portion of the first surface 210a to the second plate 211b and rounded in another direction (e.g., +/ ⁇ X direction) ), and a plurality of second edge regions 212a rounded in a direction from at least a portion of the first surface 210a toward the second plate 211b.
- the second plate 211b is rounded in a direction from at least a portion of the second surface 210b toward the first plate 211a and extends in one direction (eg, +/-Y direction).
- a plurality of fourth edge regions 212b-1 which are rounded in one direction toward the first plate 211a from at least a portion of the second surface 210b, and are rounded in the other direction (eg, +/-X direction) a plurality of fifth edge regions 212b-2 extending to , and a plurality of fourth edge regions 212b-2 rounded in a direction from at least a portion of the second surface 210b toward the first plate 211a.
- the electronic device 201 may include a display 261 (eg, the display module 160).
- the display 261 may be positioned on the first surface 210a.
- the display 261 may include at least a portion of the first plate 211a (eg, a plurality of first edge regions 212a-1, a plurality of second edge regions 212a-2, and a plurality of first edge regions 212a-2). It may be exposed through the portion bordered by the third edge regions 212a-3.
- the display 261 may have substantially the same shape as the shape of the outer rim of the first plate 211a. In some embodiments, an edge of the display 261 may substantially coincide with an outer edge of the first plate 211a.
- the display 261 may include a touch sensing circuit, a pressure sensor capable of measuring the intensity (pressure) of a touch, and/or a digitizer that detects a magnetic stylus pen.
- the display 261 may include a screen display area 261a that is visually exposed and displays content using pixels or voxels.
- the screen display area 261a may include a sensing area 261a-1 and a camera area 261a-2.
- the sensing area 261a-1 may overlap at least a portion of the screen display area 261a.
- the sensing region 261a - 1 may allow transmission of input signal(s) related to the sensor module 276 (eg, the sensor module 176 ).
- the sensing area 261a-1 may display content similarly to the screen display area 261a that does not overlap with the sensing area 261a-1.
- the sensing area 261a - 1 may display content while the sensor module 276 is not operating.
- the camera area 261a-2 may overlap at least a portion of the screen display area 261a.
- the camera area 261a - 2 may allow optical signal(s) associated with the first camera module 280a (eg, the camera module 180 ) to pass through.
- the camera area 261a-2 can display content similarly to the screen display area 261a that does not overlap with the camera area 261a-2.
- the camera area 261a-2 may display content while the first camera module 280a is not operating.
- the electronic device 201 may include an audio module 270 (eg, the audio module 170).
- the audio module 270 may be positioned on the third side 210c.
- the audio module 270 may acquire sound through at least one hole.
- the electronic device 201 may include a sensor module 276 .
- the sensor module 276 may be located on the first surface 210a.
- the sensor module 276 may be disposed on at least a portion of the screen display area 261a to coincide with the sensing area 261a-1.
- the sensor module 276 may receive an input signal passing through the sensing region 261a - 1 and generate an electrical signal based on the received input signal.
- the input signal may correspond to a specific physical quantity (eg, heat, light, temperature, sound, pressure, or ultrasonic waves).
- the input signal may include a signal related to the user's biometric information (eg, fingerprint).
- the electronic device 201 may include a first camera module 280a, a second camera module 280b (eg, the camera module 180), and a flash 280c.
- the first camera module 280a may be positioned on the first surface 210a
- the second camera module 280b and flash 280c may be positioned on the second surface 210b.
- at least a portion of the first camera module 280a may be positioned below the display 261 .
- the first camera module 280a may receive optical signal(s) passing through the camera area 261a-2.
- the second camera module 280b may include a plurality of camera modules (eg, a camera module implemented as a dual camera, triple camera, or quad camera).
- the flash 280c may include a light emitting diode or a xenon lamp.
- the electronic device 201 may include an audio output module 255 (eg, the audio output module 155).
- the sound output module 255 may be located on the third side 210c.
- the sound output module 255 may include one or more holes.
- the electronic device 201 may include an input module 250 (eg, the input module 150).
- the input module 250 may be located on the third side 210c.
- the input module 250 may include at least one key input device.
- the electronic device 201 may include a connection terminal 278 (eg, the connection terminal 178).
- the connection terminals 278 may be located on the third surface 210c.
- the connection terminal 278 when viewing the electronic device 201 in one direction (eg, the +Y direction), the connection terminal 278 is located at the center of the third surface 210c, and is located on the basis of the connection terminal 278.
- the sound output module 255 may be located on the side (eg, the right side).
- the electronic device 201 may include a support 240 , a first circuit board 251 , a second circuit board 252 , and a battery 289 (eg, the battery 189 ). At least a portion of the support 240 may form the housing 210 together with the first plate 211a and the second plate 211b.
- the support 240 may include a frame structure 241 (eg, the frame 211c) and a plate structure 242 .
- the frame structure 241 may be formed surrounding an edge of the plate structure 242 .
- the frame structure 241 connects the edge of the first plate 211a and the edge of the second plate 211b, surrounds the space between the first plate 211a and the second plate 211b, and the electronic device 201 ) may form the third surface 210c.
- the plate structure 242 may include a first portion 242a accommodating the first circuit board 251 and a second portion 242b accommodating the second circuit board 252 .
- the display 261 is positioned on one surface (eg, the lower surface shown in FIG. 2C ) of the plate structure 242 , and the first circuit board is positioned on the other surface (eg, upper surface shown in FIG. 2C ) of the plate structure 242 . 251 and a second circuit board 252 may be positioned.
- the plate structure 242 may include an opening 245 positioned between the first portion 242a and the second portion 242b and passing through both sides of the plate structure 242 . Opening 245 may receive battery 289 .
- an electronic device 301 (eg, the electronic device 201 of FIGS. 2A to 2C) according to an embodiment includes a housing 310 (eg, the housing 210), a camera It may include a module 380 (eg, the second camera module 280b) and a circuit board 351 (eg, the first circuit board 251).
- a housing 310 eg, the housing 210
- a camera It may include a module 380 (eg, the second camera module 280b) and a circuit board 351 (eg, the first circuit board 251).
- the electronic device 301 includes a connector 3511 located on the circuit board 351, an antenna module 397 located on the housing 310 (eg, the antenna module 197 of FIG. 1 or mmWave antenna module), and electronic component 388 on circuit board 351 (eg, PMIC or 5G modem in power management module 188 in FIG. 1) to antenna module 397 (eg, PMIC or RFIC in antenna module 397).
- It may include a printed circuit board 350 to connect.
- the printed circuit board 350 includes a first connector section 350a connected to the connector 3511, a second connector section 350b connected to the antenna module 397, and the first connector section 350a and the second connector section 350a.
- a wiring connection section 350c between the connector sections 350b may be included.
- the printed circuit board 350 may be a flexible printed circuit board.
- an electronic component 388 (eg, a PMIC or a 5G modem of the power management module 188 of FIG. 1) on the circuit board 351 is referred to as a first electronic component, and the antenna The module 397 is referred to as a second electronic component, and the printed circuit board 350 may connect the first electronic component and the second electronic component.
- the printed circuit board 350 may include the camera module 380 or the first camera module 280a of FIG. 2A as a first electronic component, and the antenna module 397 or circuit board 351 as a second electronic component. ) may be connected to an array (not shown) of a plurality of antennas.
- the camera module 380 or the first camera module 280a of FIG. 2A may be referred to as a first electronic component
- the antenna module 397 or an array of antennas may be referred to as a second electronic component.
- the first electronic component eg, PMIC or 5G modem of power management module 188 in FIG. 1
- the second electronic component eg, antenna module 397
- the printed circuit board 350 may be configured to reduce radiation of power supply noise (eg, simultaneous switching noise) that may occur between the first electronic component and the second electronic component.
- the printed circuit board 350 may be configured to reduce the magnitude of an impedance in a target frequency band.
- a decoupling capacitor, and A lead pattern and a via structure for this may be omitted.
- a printed circuit board 450 (eg, the printed circuit board 350 of FIGS. 3A and 3B) according to an embodiment includes a first signal layer 451 and a first ground layer. 452 , a second signal layer 453 , a second ground layer 454 , a first dielectric 455 , a second dielectric 456 , and a plurality of vias 457 .
- the printed circuit board 450 includes a first signal layer 451, a first ground layer 452, a first dielectric 455, in a stacking direction (eg, -Z direction in FIG. 4A), The second signal layer 453, the second dielectric 456, and the second ground layer 454 may be sequentially stacked.
- the plurality of vias 457 may connect the first signal layer 451 and the second signal layer 453.
- the first ground layer 452 and the first dielectric 455 are disposed on one side (eg, upper part) of the second signal layer 453, and the second ground layer 454 and the second Since the second dielectric 456 is disposed on the other side (eg, the lower side) of the second signal layer 453, the printed circuit board 450 may have a double-sided capacitance structure.
- the total capacitance C tot determined by the double-sided capacitance structure of the printed circuit board 450 may vary depending on the first dielectric 455 disposed on one side (eg, upper side) of the second signal layer 453.
- the double-sided capacitance structure of the printed circuit board 450 may have a parallel capacitance structure.
- the first signal layer 451 may include a first signal plate 4511 .
- the first signal layer 451 may have a structure in which a dielectric 458 (eg, a third dielectric) is bonded to one surface (eg, the lower surface of FIG. 4A ) of the first signal plate 4511 .
- the first signal plate 4511 may be made of a copper clad laminate (CCL).
- the first signal plate 4511 includes a connector section (not shown) configured to receive a connector (not shown) for connection to an electronic component (eg, electronic component 388 or antenna module 397 in FIG. 3 ). 4512) may be included.
- the first signal plate 4511 may include a stub section 4513 and a non-stub section 4514.
- the stub section 4513 and the non-stub section 4514 may be spaced apart from each other by a gap, and a slot 4516 may be formed between the stub section 4513 and the non-stub section 4514.
- the first signal plate 4511 may have a plurality of corners and may include a cutoff portion 4517 formed at at least one corner among the plurality of corners.
- the first signal plate 4511 may include a length pattern 4518 formed on at least a portion of the first signal plate 4511 .
- “longitudinal pattern” may refer to comprising substantially longitudinal elements. Patterns that include only longitudinal elements may also be referred to as “length patterns”. Accordingly, the length pattern may have a physically measurable “length”, and the length of the length pattern may affect a parameter (eg, inductance) of a target frequency band of noise to be reduced by the printed circuit board 450.
- the length pattern 4518 may be formed in at least a portion of the stub section 4513.
- length pattern 4518 can have a meander pattern or a zigzag pattern.
- the length pattern 4518 extends in a first direction (eg, +/-X direction) on the first signal plate 4511 and extends in a second direction different from the first direction (eg, +Y direction).
- any one of the second extensions E21 may include an end (eg, a right end in FIG. 4B ) of the one of the first extensions E11 and another adjacent to the first extension E11.
- the other second extension portion E22 Connecting the ends (eg, the right end in FIG. 4B ) of one first extension portion E12 and extending between the ends, the other second extension portion E22 is the above-mentioned first extension portion. Connect the other end of E12 (eg, the left end in FIG. 4B) and the end of the other first extension E13 adjacent to the first extension E12 (eg, the left end in FIG. 4B), and connect the end can be extended between them.
- the plurality of first extension parts E11 , E12 , and E13 may extend in substantially the same direction (eg, +/ ⁇ X direction) or in directions substantially opposite to each other.
- the plurality of second extension parts E21 and E22 may extend along at least a portion of the slot 4516 between the stub section 4513 and the non-stub section 4514 .
- each length of the plurality of first extension portions E11, E12, and E13 may be greater than each length of the plurality of second extension portions E21 and E22.
- the respective lengths of the plurality of first extension portions E11, E12, and E13 may be substantially the same as the respective lengths of the plurality of second extension portions E21 and E22.
- each length of the plurality of first extension portions E11, E12, and E13 may be smaller than each length of the plurality of second extension portions E21 and E22.
- the first ground layer 452 may include a first ground plate 4521 .
- a dielectric 458 is bonded to one surface of the first ground plate 4521 (eg, the upper surface in FIG. 4A) and the other surface of the first ground plate 4521 (eg, the upper surface in FIG. 4A). It may have a structure in which the first dielectric 455 is bonded to the lower surface in 4a).
- the first ground plate 4521 may be made of a copper clad laminate (CCL).
- the first ground plate 4521 includes a plurality (eg, a pair) of second slots 4522 formed at positions corresponding to positions of the slots 4516 of the first signal plate 4511.
- the first ground plate 4521 includes a loop-shaped third slot 4523 located between the second slots 4522 and located under the stub section 4513 of the first signal plate 4511.
- the second signal layer 453 may include a second signal plate 4531 .
- a first dielectric 455 is bonded to one surface of the second signal plate 4531 (eg, the upper surface in FIG. 4A), and the other surface of the second signal plate 4531 : a lower surface in FIG. 4A) may have a structure in which the second dielectric 456 is bonded.
- the second signal plate 4531 may be made of a copper clad laminate (CCL).
- the second signal plate 4531 may serve as a power source.
- the second signal plate 4531 is formed at a position corresponding to the position of the plurality of second slots 4522 of the first ground plate 4521 and routes the plurality of second slots 4522. It may include a plurality of fourth slots 4532 spaced apart from each other and arranged accordingly.
- the second signal plate 4531 includes a loop-shaped fifth slot (located between the plurality of fourth slots 4532 and below the stub section 4513 of the first signal plate 4511). 4533) may be included. The plurality of fourth slots 4532 and fifth slots 4533 may form a power pattern of the second signal plate 4531 .
- the second ground layer 454 may include a second ground plate 4541 .
- the second ground plate 4541 may perform a shielding function of the printed circuit board 450 .
- the second ground plate 4541 may be made of a conductive material (eg, metal).
- the second ground plate 4541 may have a plate shape.
- the first dielectric 455 may bond the first ground plate 4521 and the second signal plate 4531 .
- the second dielectric 456 may bond the second signal plate 4531 and the second ground plate 4541 .
- the first dielectric 455 may have a first permittivity (eg, about 3.4), and the second dielectric 456 may have a second permittivity greater than the first permittivity (eg, about 4.2).
- the second dielectric 456 may be used for isolation.
- a printed circuit board 550 (eg, the printed circuit board 450 of FIGS. 4A to 4E) according to an embodiment includes a length pattern 5518 (eg, a length pattern 4518). )) is formed on the first signal layer 551 (eg, the first signal layer 451) including the first signal plate 5511 (eg, the first signal plate 4511), and the first ground plate 5521 ) (eg, the first ground layer 552 including the first ground plate 4521) (eg, the first ground layer 452), the second signal plate 5531 (eg, the second signal plate 4531 )), the second signal layer 553 including (eg, the second signal layer 453), and the second ground layer including the second ground plate 5541 (eg, the second ground plate 4541) ( 554) (eg, the second ground layer 454), and a plurality of vias 557 (eg, vias 457) connecting the first signal plate 5511 and the second signal plate 5531.
- a plurality of vias 557 eg, vias 457 connecting
- the printed circuit board 550 includes a first dielectric 555 (eg, the first dielectric 455) between the first ground plate 5521 and the second signal plate 5531, and the second signal plate 5531. and a second dielectric 556 (eg, the second dielectric 456) between the second ground plates 5541 .
- the printed circuit board 550 may include a third dielectric 558 (eg, the dielectric 458) between the first signal plate 5511 and the first ground plate 5521 .
- Length pattern 5518 may have a meander pattern or a zigzag pattern.
- the length pattern 5518 includes a plurality of first extensions E1 (eg, first extensions E11, E12, and E13) and a plurality of second extensions E2 (eg, second extensions ( E21, E22)) may be included.
- first extensions E1 eg, first extensions E11, E12, and E13
- second extensions E2 eg, second extensions ( E21, E22)
- the first length L1 of the first extension E1 may be greater than the second length L2 of the second extension E2.
- the first length L1 of the first extension E1 may be substantially the same as the second length L2 of the second extension E2.
- the first length L1 of the first extension E1 may be smaller than the second length L2 of the second extension E2.
- the length of the length pattern 5518 may affect the inductance of a target frequency band of noise that the printed circuit board 550 is to reduce.
- the total length of the sum of the first lengths L1 of the plurality of first extension parts E1 and the second lengths L2 of the plurality of second extension parts E2 is equal to the resonance frequency of the target frequency band. can be used to determine parameters.
- the printed circuit board 550 may have a double-sided capacitance structure that is a parallel structure of a first capacitance structure and a second capacitance structure.
- the first ground plate 5521 and the first dielectric 55 are disposed on one side (eg, top) of the second signal plate 5531 and form a first capacitance structure
- the second dielectric 556 may be disposed on the other side (eg, lower side) of the second signal plate 5531 and form a second capacitance structure. Accordingly, the double-sided capacitance structure may affect the capacitance of a target frequency band of noise to be reduced by the printed circuit board 550 .
- the area of the first region A1 of the first ground plate 5521 facing the second signal plate 5531, the first thickness H1 of the first dielectric 555 and/or the first The first permittivity of dielectric 555 can affect the first capacitance of the first capacitance structure.
- the area of the second region A2 of the second ground plate 5541 facing the second signal plate 5531, the second thickness H2 of the second dielectric 556 and/or the second The second permittivity of dielectric 556 can affect the second capacitance of the second capacitance structure.
- the first thickness H1 may be smaller than the second thickness H2.
- the first dielectric 555 may be relatively ultra-thin compared to the second dielectric 556 .
- the second permittivity may be greater than the first permittivity.
- the first dielectric constant is about 3.4 and the second dielectric constant is about 4.2, so the second dielectric 556 may have a relatively high dielectric constant compared to the first dielectric 555 .
- the first area A1, the first thickness H1 and/or the first permittivity may be designed with fixed parameters, while the second area A2, the second thickness H2 and / or the second permittivity can be designed with variable parameters.
- the desired final capacitance value of the double-sided capacitance structure can be tuned by varying the second area A2, the second thickness H2 and/or the second permittivity while fixing the design of the first capacitance structure.
- the length of the length pattern 5518 low impedance can be achieved. That is, the influence caused by power supply noise in a desired band can be blocked by using LC resonance.
- the printed circuit board 550 has a total capacitance of about 150 pF and an inductance of about 0.7 nH in order to block the influence of power supply noise in the GPS band (eg, a band with a resonant frequency of about 1.5 GHz). It can have a designed structure.
- FIG. 6A and 6B show a comparative experimental example of a decoupling capacitance of about 22 pF, respectively, and an impedance frequency between a printed circuit board (e.g., the printed circuit board 450 of FIG. 4) having a total capacitance of about 150 pF disclosed herein. It is a graph for comparing characteristics. In contrast to the comparative experimental example of the decoupling capacitance of 22 pF, it can be seen that the printed circuit board has a reduced impedance of about 1.5 ohm, and less power switching noise is radiated. In addition, further referring to FIG. 6B showing the electromagnetic simulation results, based on the results of comparing the strength of the electromagnetic field at a distance of about 5 mm, the printed circuit board has a noise improvement effect of 8 dB compared to the comparative experimental example can confirm.
- length patterns 7718a, 7718b, 7718c, and 7718d are signal plates (eg, first signal plate 4511) of a printed circuit board (eg, printed circuit board 450 of FIGS. 4A-4E ). ) of the stub section (eg, the stub section 4513).
- length patterns 7718a, 7718b, 7718c, 7718d (eg, length pattern 4518 in FIG. 4B or length pattern 5518 in FIG.
- 5A may have a first end adjacent to center C ( EA), a second end EB away from center C, and a direction (e.g., counter-clockwise) between the first end EA and the second end EB and at least partially around center C direction) (eg, the first extension portions E11, E12, and E13 and the second extension portions E21 and E22 of FIG. 4B).
- the extension portion E may extend around the center portion C in a counterclockwise direction at least partially surrounding the center portion C, for example by at least one number of times (eg, three times). there is.
- the first end (EA) may be located substantially in the center (C).
- the extension E1 includes at least one first circumferential extension E1 extending around the central portion C by a first angle (eg, about 180 degrees), and a first circumferential extension E1. It may include at least one second circumferential extension portion E2 connected to the extension portion E1 and extending around the central portion C by a second angle (eg, about 0 degrees to about 180 degrees).
- the extension part E is connected to at least one first extension part E1 extending in a first direction (eg, -/+X direction) and the first extension part E1, and At least one second extension E2 extending in a second direction (eg, +/-Y direction) intersecting the first direction, connected to the second extension E2 and intersecting the second direction and extending in the first direction at least one third extension portion E3 extending in a third direction (eg, +/-X direction) opposite to , and connected to the third extension portion E3 and intersecting the third direction and extending in the second direction. It may include at least one fourth extension portion E4 extending in the opposite fourth direction (eg, -/+Y direction).
- first extension part E1 and the third extension part E3 may be substantially parallel to each other.
- second extension part E2 and the fourth extension part E4 may be substantially parallel to each other.
- the extension part E includes a plurality of first extension parts E1, a plurality of second extension parts E2, a plurality of third extension parts E3, and a plurality of fourth extension parts E3. It may include extensions E4, the plurality of first extensions E1 are spaced apart from each other in a direction away from the center C, and the plurality of second extensions E2 are in a direction away from the center C. , the plurality of third extensions E3 may be spaced apart from each other in a direction away from the center C, and the plurality of fourth extensions E4 may be spaced apart from each other in a direction away from the center C. .
- the extension part E includes a plurality of first extension parts E1, a plurality of second extension parts E2, a plurality of third extension parts E3, and a plurality of fourth extension parts E3. Extensions E4 may be included. At least some of the fourth extension parts E4 among the plurality of fourth extension parts E4 may be connected to the first extension part E1.
- the extension part E includes a plurality of first extension parts E1, a plurality of second extension parts E2, a plurality of third extension parts E3, and a plurality of fourth extension parts E3. Extensions E4 may be included. Among the plurality of third extension parts E3, the third extension part E3 farthest from the central part C may have a second end part EB. In one embodiment, the first extension part E1, the second extension part E2, or the fourth extension part E4 farthest from the central part C may have a second end part EB.
- the extension portion E includes at least one first extension portion E1, at least one second extension portion E2 connected to the first extension portion E1, and a second extension portion E2. ), at least one third extension portion E3 connected to the third extension portion E3, at least one fourth extension portion E4 connected to the third extension portion E3, and at least one fifth extension portion connected to the fourth extension portion E4. (E5), and at least one sixth extension portion E6 connected to the fifth extension portion E5.
- the first extension part E1 may extend in a first direction (eg, a direction of about +120 degrees when the origin is the central part C in FIG. 7C).
- the second extension portion E2 forms a first angle (eg, about 120 degrees) in one rotational direction (eg, counterclockwise direction) with respect to the first extension portion E1, and forms a first angle (eg, about 120 degrees) in a second direction (eg, FIG. 7C ). It can be extended in the direction of about +60 degrees when the center (C) is the origin).
- the third extension portion E3 forms a second angle (eg, about 120 degrees) in the rotational direction with respect to the second extension portion E2, and forms a second angle (eg, about 120 degrees) in a third direction (eg, center C in FIG. 7C as the origin). , it can be extended in about 0 degree direction).
- the fourth extension portion E4 forms a third angle (eg, about 120 degrees) in the rotation direction with respect to the third extension portion E3, and forms a third angle (eg, about 120 degrees) in a fourth direction (eg, the center C in FIG. 7C is the origin). , it can be extended in the direction of about -60 degrees).
- the fifth extension portion E5 forms a fourth angle (eg, about 120 degrees) in the rotational direction with respect to the fourth extension portion E4, and forms a fourth angle (eg, about 120 degrees) in the fifth direction (eg, center C in FIG. 7C as the origin). , it can be extended in about -120 degree direction).
- the sixth extension portion E6 forms a fifth angle (eg, about 120 degrees) with respect to the fifth extension portion E5, and forms a fifth angle (eg, about 120 degrees) in a sixth direction (eg, when the center C in FIG. 7C is the origin). -180 degree direction).
- first extension part E1 and the fourth extension part E4 may be substantially parallel to each other.
- second extension part E2 and the fifth extension part E5 may be substantially parallel to each other.
- third extension part E3 and the sixth extension part E6 may be substantially parallel to each other.
- the extension part E includes a plurality of first extension parts E1, a plurality of second extension parts E2, a plurality of third extension parts E3, and a plurality of fourth extension parts. It may include parts E4, a plurality of fifth extension parts E5, and a plurality of sixth extension parts E6, and at least one sixth extension of the plurality of sixth extension parts E6 Part E6 may be connected to the first extension part E1.
- the extension part E includes a plurality of first extension parts E1, a plurality of second extension parts E2, a plurality of third extension parts E3, and a plurality of fourth extension parts. It may include parts E4, a plurality of fifth extension parts E5, and a plurality of sixth extension parts E6.
- the sixth extension part E6 farthest from the central part C may have a second end part EB.
- the first extension (E1), the second extension (E2), the third extension (E3), the fourth extension (E4) or the fifth extension (E4) farthest from the center (C). (E5) may have a second end (EB).
- the extension portion E includes at least one first extension portion E1, at least one second extension portion E2 connected to the first extension portion E1, and a second extension portion E2. ), at least one third extension portion E3 connected to the third extension portion E3, at least one fourth extension portion E4 connected to the third extension portion E3, and at least one fifth extension portion connected to the fourth extension portion E4. (E5), at least one sixth extension portion (E6) connected to the fifth extension portion (E5), at least one seventh extension portion (E7) connected to the sixth extension portion (E6), and the seventh extension portion ( It may include at least one eighth extension part E8 connected to E7).
- the first extension part E1 may extend in a first direction (eg, a direction of about +180 degrees when the central part C is the origin in FIG. 7D ).
- the second extension part E2 forms a first angle (eg, about 135 degrees) in one rotational direction (eg, counterclockwise direction) with respect to the first extension part E1, and forms a first angle (eg, about 135 degrees) in a second direction (eg, FIG. 7D ). It can extend in the direction of about +135 degrees when the center (C) is the origin).
- the third extension portion E3 forms a second angle (eg, about 135 degrees) in the rotational direction with respect to the second extension portion E2, and forms a second angle (eg, about 135 degrees) in a third direction (eg, center C in FIG. 7D as the origin). , it can be extended in about +90 degree direction).
- the fourth extension part E4 forms a third angle (eg, about 135 degrees) in the rotation direction with respect to the third extension part E3, and forms a third angle (eg, about 135 degrees) in the fourth direction (eg, the center C in FIG. 7D as the origin). , it can be extended in the direction of about +45 degrees).
- the fifth extension portion E5 forms a fourth angle (eg, about 135 degrees) in the rotational direction with respect to the fourth extension portion E4, and forms a fourth angle (eg, about 135 degrees) in the fifth direction (eg, center C in FIG. 7D as the origin). , it can be extended in about 0 degree direction).
- the sixth extension E6 forms a fifth angle (eg, about 135 degrees) with respect to the fifth extension part E5, and forms a fifth angle (eg, about 135 degrees) in a sixth direction (eg, when the center C in FIG. 7D is the origin). -45 degree direction).
- the seventh extension portion E7 forms a sixth angle (eg, about 135 degrees) with respect to the sixth extension portion E6, and forms a sixth angle (eg, about 135 degrees) in a seventh direction (eg, when the center C in FIG. 7D is the origin). -90 degree direction).
- the eighth extension portion E8 forms a seventh angle (for example, about 135 degrees) with respect to the seventh extension portion E7, and forms an eighth direction (for example, when the center C in FIG. 7D is the origin, about -135 degree direction).
- first extension part E1 and the fifth extension part E5 may be substantially parallel to each other.
- second extension part E2 and the sixth extension part E6 may be substantially parallel to each other.
- third extension portion E3 and the seventh extension portion E7 may be substantially parallel to each other.
- fourth extension portion E4 and the eighth extension portion E8 may be substantially parallel to each other.
- the extension part E includes a plurality of first extension parts E1, a plurality of second extension parts E2, a plurality of third extension parts E3, and a plurality of fourth extension parts.
- the portions E4, the plurality of fifth extension portions E5, the plurality of sixth extension portions E6, the plurality of seventh extension portions E7, and the plurality of eighth extension portions E8. and at least one eighth extension part E8 among the plurality of eighth extension parts E8 may be connected to the first extension part E1.
- the extension part E includes a plurality of first extension parts E1, a plurality of second extension parts E2, a plurality of third extension parts E3, and a plurality of fourth extension parts.
- the portions E4, the plurality of fifth extension portions E5, the plurality of sixth extension portions E6, the plurality of seventh extension portions E7, and the plurality of eighth extension portions E8. can include Among the plurality of first extension parts E1, the first extension part E1 farthest from the central part C may have a second end part EB.
- the second extension E2, the third extension E3, the fourth extension E4, the fifth extension E5, and the sixth extension are farthest from the center C.
- the seventh extension portion (E7) or the eighth extension portion (E8) may have a second end portion (EB).
- a printed circuit board 850 (eg, the printed circuit board 550 of FIGS. 5A to 5D ) according to an embodiment includes a first signal plate (eg, a first signal plate ( 5511)) including a first signal layer (not shown) (eg, the first signal layer 551), and a first ground including a first ground plate 8521 (eg, the first ground plate 5521).
- a first signal plate eg, a first signal plate ( 5511)
- first signal layer not shown
- a first ground including a first ground plate 8521 (eg, the first ground plate 5521).
- a plurality of connecting vias eg, vias 557
- a first dielectric between the first ground plate 8521 and the second signal plate eg, the first dielectric 555
- the second signal plate and the second a second dielectric between the ground plates (eg, second dielectric 556)
- a third dielectric between the first signal plate and the first ground plate 8521 eg, third dielectric 558.
- the first ground layer 852 may include a slot pattern 8528 formed on the first ground plate 8521 .
- the slot pattern 8528 increases the length of the electrical path of the first ground plate 8521 and the length of the electrical path of the second signal plate of the second signal layer 853 (eg, the length in the X direction or the length in the Y direction). ) can be increased.
- the slot pattern 8528 extends in a first direction (eg, +/-X direction) of the first ground plate 8521 and in a second direction (eg, +/-Y direction) intersecting the first direction. direction) may include a plurality of slots SL arranged spaced apart from each other.
- the extension lengths of the plurality of slots SL in the first direction may be substantially the same.
- widths of the plurality of slots SL in the second direction may be substantially the same.
- the distance between the adjacent pair of slots SL may be substantially the same as the distance between the other adjacent pair of slots SL.
- FIG. 9 is a printed circuit board including a first ground plate (eg, the first ground plate 8521 of FIGS. 8A and 8B ) having a slot pattern (eg, the slot pattern 8528 of FIGS. 8A and 8B ) formed thereon ( Example: Compare the impedance of power supply noise of the printed circuit board 850 of FIG. 8A and the impedance of power supply noise of a printed circuit board to which no slot pattern is applied (eg, the printed circuit board 550 of FIGS.
- 5A to 5D shows a graph that It can be seen that the impedance of the power supply noise of the printed circuit board with the slot pattern is reduced by about 6 dB in the frequency band of about 1.6 GHz compared to the impedance of the power supply noise of the printed circuit board to which the slot pattern is not applied.
- An electronic device 301 connects a first electronic component 390, a second electronic component 397, and the first electronic component 390 and the second electronic component 397, and a printed circuit board (350, 450, 550) configured to block power supply noise of a target frequency band, wherein the printed circuit board (450, 550) includes a first signal plate (4511, 5511) to generate a first signal signal.
- the first signal plate (4511, 5511) has a length pattern (4518, 5518) having a length corresponding to a first parameter of the target frequency band ( 451, 551) and a first ground plate (4521, 5521) positioned below the first signal plate (4511, 5511), wherein the first ground plate (4521, 552) 5521 includes a second signal plate (4531, 5531) positioned below the first ground layer (452, 552), the first ground plate (4521, 5521) having a first area (A1).
- a first dielectric (which is positioned between two signal layers 453 and 553, the first ground plates 4521 and 5521 and the second signal plates 4531 and 5531 and has a first thickness H1 and a first permittivity) 455, 555) and a second ground plate (4541, 5541) positioned below the second signal plate (4531, 5531), wherein the second ground plate (4541, 554) 5541), the second ground layer (454, 554) and the second signal plate (4531, 5531) and the second ground layer (454, 554) having a second area (A2) corresponding to the second parameter of the target frequency band and the second area (A2).
- the bodies 456 and 556 may include the second dielectrics 456 and 556 having a second thickness H2 and a second permittivity corresponding to the second parameter.
- the length patterns 4518 and 5518 include first extension portions E11, E12, E13, and E1 extending in a first direction of the first signal plates 4511 and 5511 and the first extension portion E11, E12, E13, and E1. Second extension portions E21 , E22 , and E2 extending from portions E11 , E12 , E13 , and E1 may be included.
- first extensions E11, E12, E13, E1 have a first length L1
- second extensions E21, E22, E2 have a second length L2.
- the first length L1 may be substantially equal to the second length L2 or larger than the second length L2.
- the length patterns 4518 and 5518 extend from the second extensions E21 , E22 and E2 in a direction substantially opposite to the first direction and extend from the first extensions E11 and E12 . , E13, E1) and spaced apart first extensions (E11, E12, E13, E1) may be further included.
- the first signal plates 4511 and 5511 include a stub section 4513 including the length patterns 4518 and 5518 and a non-stub section 4514 spaced apart from the stub section 4513.
- can include A slot 4516 may be formed between the stub section 4513 and the non-stub section 4514 .
- the length patterns 4518 and 5518 extend in a first direction of the first signal plates 4511 and 5511 and extend in a direction different from the first direction of the first signal plates 4511 and 5511.
- a plurality of first extension parts E11, E12, E13, and E1 arranged in two directions, and a plurality of second extension parts E21 connecting the plurality of first extension parts E11, E12, E13, and E1.
- E22, E2 each of the plurality of second extensions E21, E22, E2 along at least a portion of the slot 4516 and the plurality of first extensions E11, E12, E13, It may extend from the first extension of the corresponding one of E1).
- the length patterns 7718a, 7718b, 7718c, and 7718d have a central portion C, and the length patterns 7718a, 7718b, 7718c, and 7718d have a central portion C around the central portion C.
- It may include an extension (E) extending in a direction surrounding.
- the first signal plates 4511 and 5511 include a first connector section 350a connected to the first electronic component 390 and a second connector connected to the second electronic component 397. section 350b.
- the first thickness H1 may be smaller than the second thickness H2.
- the second permittivity may be greater than the first permittivity
- the first ground layer 852 further includes a slot pattern 8528 formed on the first ground plate 8521, and the slot pattern 8528 includes the first ground plate 8521 ) may include a plurality of slots SL extending in a first direction and arranged in a second direction different from the first direction.
- the first electronic component 390 may include a communication module
- the second electronic component 397 may include an antenna module.
- the printed circuit boards 350, 450, and 550 may be printed circuit boards configured to block power supply noise of a target frequency band, and include a first signal layer including first signal plates 4511 and 5511 ( 451, 551), wherein the first signal plate (4511, 5511) has a length pattern (4518, 5518) having a length corresponding to a first parameter of the target frequency band.
- first ground layer (452, 552) comprising a first ground plate (4521, 5521) positioned under the first signal plate (4511, 5511), wherein the first ground plate (4521, 5521) is a second signal comprising the first ground layer (452, 552) and the second signal plate (4531, 5531) positioned below the first ground plate (4521, 5521) having a first area (A1).
- the second ground layer (454, 554), the second signal plate (4531, 5531) and the second ground plate having a second area (A2) corresponding to the second parameter of the target frequency band.
- a second dielectric (456, 556) located between (4541, 5541), the second dielectric (456, 556) having a second thickness (H2) and a second permittivity corresponding to the second parameter;
- the second dielectrics 456 and 556 may be included.
- the length patterns 4518 and 5518 include first extension portions E11, E12, E13, and E1 extending in a first direction of the first signal plates 4511 and 5511 and the first extension portion E11, E12, E13, and E1. Second extension portions E21 , E22 , and E2 extending from portions E11 , E12 , E13 , and E1 may be included.
- first extensions E11, E12, E13, E1 have a first length L1
- second extensions E21, E22, E2 have a second length L2.
- the first length L1 may be substantially equal to the second length L2 or larger than the second length L2.
- the length patterns 4518 and 5518 extend from the second extensions E21 , E22 and E2 in a direction substantially opposite to the first direction and extend from the first extensions E11 and E12 . , E13, E1) and spaced apart first extensions (E11, E12, E13, E1) may be further included.
- the first signal plates 4511 and 5511 include a stub section 4513 including the length patterns 4518 and 5518 and a non-stub section 4514 spaced apart from the stub section 4513.
- can include A slot 4516 may be formed between the stub section 4513 and the non-stub section 4514 .
- the length patterns 4518 and 5518 extend in a first direction of the first signal plates 4511 and 5511 and extend in a direction different from the first direction of the first signal plates 4511 and 5511.
- a plurality of first extension parts E11, E12, E13, and E1 arranged in two directions, and a plurality of second extension parts E21 connecting the plurality of first extension parts E11, E12, E13, and E1.
- E22, E2 each of the plurality of second extensions E21, E22, E2 along at least a portion of the slot 4516 and the plurality of first extensions E11, E12, E13, It may extend from the first extension of the corresponding one of E1).
- the length patterns 7718a, 7718b, 7718c, and 7718d have a central portion C, and the length patterns 7718a, 7718b, 7718c, and 7718d have a central portion C around the central portion C.
- It may include an extension (E) extending in a direction surrounding.
- the first signal plates 4511 and 5511 include a first connector section 350a connected to the first electronic component 390 and a second connector connected to the second electronic component 397. section 350b.
- the first thickness H1 may be smaller than the second thickness H2.
- the second permittivity may be greater than the first permittivity
- the first ground layer 852 further includes a slot pattern 8528 formed on the first ground plate 8521, and the slot pattern 8528 includes the first ground plate 8521 ) may include a plurality of slots SL extending in a first direction and arranged in a second direction different from the first direction l.
- the electronic devices 301, 401, and 501 connect a power management module 388, an antenna module 397, and the power management module 388 and the antenna module 397 to a target frequency
- a flexible printed circuit board (350, 450, 550) configured to block power supply noise of the band, wherein the flexible printed circuit board (350, 450, 550) includes a first signal plate (4511, 5511).
- the first signal plate (4511, 5511) has a length pattern (4518, 5518) having a length corresponding to the inductance of the target frequency band, the first signal layer ( 451, 551) and a first ground plate (4521, 5521) positioned below the first signal plate (4511, 5511), wherein the first ground plate (4521, 552) 5521 includes a second signal plate (4531, 5531) positioned below the first ground layer (452, 552), the first ground plate (4521, 5521) having a first area (A1).
- a first dielectric (which is positioned between two signal layers 453 and 553, the first ground plates 4521 and 5521 and the second signal plates 4531 and 5531 and has a first thickness H1 and a first permittivity) 455, 555) and a second ground plate (4541, 5541) positioned below the second signal plate (4531, 5531), wherein the second ground plate (4541, 554) 5541), the second ground layer (454, 554), the second signal plate (4531, 5531) and the second ground plate, having a second area (A2) corresponding to the capacitance of the target frequency band a second dielectric (456, 556) located between (4541, 5541), said second dielectric (456, 556)
- the dielectrics 456 and 556 may include the second dielectrics 456 and 556 having a second thickness H2 and a second permittivity corresponding to the capacitance.
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- Structure Of Printed Boards (AREA)
Abstract
Description
Claims (15)
- 제 1 신호 플레이트를 포함하는 제 1 신호 레이어로서, 상기 제 1 신호 플레이트는, 타겟 주파수 대역의 제 1 파라미터에 대응하는 길이를 갖는 길이 패턴을 갖는, 상기 제 1 신호 레이어;상기 제 1 신호 플레이트 아래에 위치된 제 1 접지 플레이트를 포함하는 제 1 접지 레이어로서, 상기 제 1 접지 플레이트는 제 1 면적을 갖는, 상기 제 1 접지 레이어;상기 제 1 접지 플레이트 아래에 위치된 제 2 신호 플레이트를 포함하는 제 2 신호 레이어;상기 제 1 접지 플레이트 및 상기 제 2 신호 플레이트 사이에 위치되고 제 1 두께 및 제 1 유전율을 갖는 제 1 유전체;상기 제 2 신호 플레이트 아래에 위치된 제 2 접지 플레이트를 포함하는 제 2 접지 레이어로서, 상기 제 2 접지 플레이트는, 상기 타겟 주파수 대역의 제 2 파라미터에 대응하는 제 2 면적을 갖는, 상기 제 2 접지 레이어; 및상기 제 2 신호 플레이트 및 상기 제 2 접지 플레이트 사이에 위치된 제 2 유전체로서, 상기 제 2 유전체는, 상기 제 2 파라미터에 대응하는 제 2 두께 및 제 2 유전율을 갖는, 상기 제 2 유전체;를 포함하는 인쇄 회로 기판.
- 제 1 항에 있어서,상기 길이 패턴은,상기 제 1 신호 플레이트의 제 1 방향으로 연장하는 제 1 연장부; 및상기 제 1 연장부로부터 연장하는 제 2 연장부;를 더 포함하는 인쇄 회로 기판.
- 제 2 항에 있어서,상기 제 1 연장부는 제 1 길이를 갖고, 상기 제 2 연장부는 제 2 길이를 갖고, 상기 제 1 길이는 상기 제 2 길이와 동일하거나 상기 제 2 길이보다 큰 인쇄 회로 기판.
- 제 2 항에 있어서,상기 길이 패턴은, 상기 제 1 방향에 실질적으로 반대되는 방향으로 상기 제 2 연장부로부터 연장하고 상기 제 1 연장부와 이격된 추가적인 제 1 연장부를 더 포함하는 인쇄 회로 기판.
- 제 1 항에 있어서,상기 제 1 신호 플레이트는,상기 길이 패턴을 포함하는 스터브 섹션;상기 스터브 섹션으로부터 이격된 비스터브 섹션; 및상기 스터브 섹션 및 상기 비스터브 섹션 사이에 형성된 슬롯;을 더 포함하는 인쇄 회로 기판.
- 제 5 항에 있어서,상기 길이 패턴은,상기 제 1 신호 플레이트의 제 1 방향으로 연장하고 상기 제 1 방향과 다른 상기 제 1 신호 플레이트의 제 2 방향으로 배열된 복수 개의 제 1 연장부들; 및상기 복수 개의 제 1 연장부들을 연결하는 복수 개의 제 2 연장부들로서, 상기 복수 개의 제 2 연장부들의 각각은 상기 슬롯의 적어도 일부를 따라 그리고 상기 복수 개의 제 1 연장부들 중 대응하는 제 1 연장부로부터 연장하는, 상기 복수 개의 제 2 연장부들;을 더 포함하는 인쇄 회로 기판.
- 제 1 항에 있어서,상기 길이 패턴은 중심부를 갖고,상기 길이 패턴은, 상기 중심부 주위로 상기 중심부를 둘러싸는 방향으로 연장하는 연장부를 포함하는 인쇄 회로 기판.
- 제 1 항에 있어서,상기 제 1 신호 플레이트는,상기 제 1 전자 컴포넌트와 연결되는 제 1 커넥터 섹션; 및상기 제 2 전자 컴포넌트와 연결되는 제 2 커넥터 섹션;을 더 포함하는 인쇄 회로 기판.
- 제 1 항에 있어서,상기 제 1 두께는 상기 제 2 두께보다 작은 인쇄 회로 기판.
- 제 1 항에 있어서,상기 제 2 유전율은 상기 제 1 유전율보다 큰 인쇄 회로 기판.
- 제 1 항에 있어서,상기 제 1 접지 레이어는, 상기 제 1 접지 플레이트에 형성된 슬롯 패턴을 더 포함하고, 상기 슬롯 패턴은, 상기 제 1 접지 플레이트의 제 1 방향으로 연장하고 상기 제 1 방향과 다른 제 2 방향으로 배열된 복수 개의 슬롯들을 포함하는 인쇄 회로 기판.
- 제 1 항에 있어서,상기 제 1 전자 컴포넌트는 통신 모듈을 포함하고, 상기 제 2 전자 컴포넌트는 안테나 모듈을 포함하는 인쇄 회로 기판.
- 제 1 전자 컴포넌트;제 2 전자 컴포넌트; 및상기 제 1 전자 컴포넌트 및 상기 제 2 전자 컴포넌트를 연결하는 제 1 항에 따른 인쇄 회로 기판;을 포함하는 전자 장치.
- 제 13 항에 있어서,상기 인쇄 회로 기판은 타겟 주파수 대역의 전원 노이즈를 차단하도록 구성된 전자 장치.
- 제 13 항에 있어서,상기 제 1 전자 컴포넌트는 전력 관리 모듈을 포함하고, 상기 제 2 전자 컴포넌트는 안테나 모듈을 포함하는 전자 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22867525.2A EP4326010A1 (en) | 2021-09-09 | 2022-07-06 | Printed circuit board for reducing power source noise, and electronic device comprising same |
CN202280060535.0A CN117917190A (zh) | 2021-09-09 | 2022-07-06 | 用于降低电源噪声的印刷电路板及包括其的电子装置 |
US17/948,339 US20230084535A1 (en) | 2021-09-09 | 2022-09-20 | Printed circuit board for reducing power noise and electronic device including the same |
Applications Claiming Priority (2)
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KR1020210120140A KR20230037171A (ko) | 2021-09-09 | 2021-09-09 | 전원 노이즈를 감소시키기 위한 인쇄 회로 기판 및 이를 포함하는 전자 장치 |
KR10-2021-0120140 | 2021-09-09 |
Related Child Applications (1)
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US17/948,339 Continuation US20230084535A1 (en) | 2021-09-09 | 2022-09-20 | Printed circuit board for reducing power noise and electronic device including the same |
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WO2023038256A1 true WO2023038256A1 (ko) | 2023-03-16 |
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PCT/KR2022/009719 WO2023038256A1 (ko) | 2021-09-09 | 2022-07-06 | 전원 노이즈를 감소시키기 위한 인쇄 회로 기판 및 이를 포함하는 전자 장치 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001053449A (ja) * | 1999-08-13 | 2001-02-23 | Nec Corp | 多層プリント基板 |
JP2002223077A (ja) * | 2001-01-29 | 2002-08-09 | Kyocera Corp | 多層配線基板 |
JP2013187249A (ja) * | 2012-03-06 | 2013-09-19 | Toppan Printing Co Ltd | 伝送線路構造、多層配線基板、半導体装置、および半導体システム |
KR20210073999A (ko) * | 2019-12-11 | 2021-06-21 | 삼성전자주식회사 | 인쇄회로기판 및 이를 포함하는 전자 장치 |
KR20210081968A (ko) * | 2019-12-24 | 2021-07-02 | 삼성전자주식회사 | 회로 기판 및 이를 포함하는 전자 장치 |
-
2021
- 2021-09-09 KR KR1020210120140A patent/KR20230037171A/ko unknown
-
2022
- 2022-07-06 WO PCT/KR2022/009719 patent/WO2023038256A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001053449A (ja) * | 1999-08-13 | 2001-02-23 | Nec Corp | 多層プリント基板 |
JP2002223077A (ja) * | 2001-01-29 | 2002-08-09 | Kyocera Corp | 多層配線基板 |
JP2013187249A (ja) * | 2012-03-06 | 2013-09-19 | Toppan Printing Co Ltd | 伝送線路構造、多層配線基板、半導体装置、および半導体システム |
KR20210073999A (ko) * | 2019-12-11 | 2021-06-21 | 삼성전자주식회사 | 인쇄회로기판 및 이를 포함하는 전자 장치 |
KR20210081968A (ko) * | 2019-12-24 | 2021-07-02 | 삼성전자주식회사 | 회로 기판 및 이를 포함하는 전자 장치 |
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