WO2023284386A1 - 传输组件及可折叠电子设备 - Google Patents
传输组件及可折叠电子设备 Download PDFInfo
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- WO2023284386A1 WO2023284386A1 PCT/CN2022/091797 CN2022091797W WO2023284386A1 WO 2023284386 A1 WO2023284386 A1 WO 2023284386A1 CN 2022091797 W CN2022091797 W CN 2022091797W WO 2023284386 A1 WO2023284386 A1 WO 2023284386A1
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Classifications
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- H04M1/02—Constructional features of telephone sets
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- H04M1/026—Details of the structure or mounting of specific components
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- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
- G06F1/1658—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories related to the mounting of internal components, e.g. disc drive or any other functional module
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- G06F1/1683—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts for the transmission of signal or power between the different housings, e.g. details of wired or wireless communication, passage of cabling
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- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Definitions
- the embodiments of the present application relate to the technical field of terminals, and in particular to a transmission component and a foldable electronic device.
- antennas can generally only be installed on one side. If antennas need to be installed on the other side, the transmission components used to transmit signals need to pass through The rotating shaft components are respectively connected to the circuit boards on both sides, which places extremely high requirements on the bending resistance and loss resistance of the transmission components.
- a transmission component is generally provided on the folding screen mobile phone, one end of the transmission component is connected to a circuit board on one side of the folding screen mobile phone, and the other end of the transmission component Pass through the hinge assembly and connect to the circuit board on the other side of the folding screen mobile phone, and set the transmission assembly (that is, the bending part of the transmission assembly) in the area of the hinge assembly in a grid shape to reduce stress concentration points during the folding process , to increase the flexibility of the transmission components, making them easy to bend.
- Embodiments of the present application provide a transmission component and a foldable electronic device, which can improve the bending resistance of the transmission component, thereby improving the reliability of the transmission component when it is applied to a folding screen device, thereby meeting the requirements of the transmission component in the folding screen device performance requirements.
- the first aspect of the embodiment of the present application provides a transmission component, the transmission component is applied to a foldable electronic device, and the transmission component includes: a first transmission component, and the first transmission component is applied to the bending area of the foldable electronic device
- the first transmission component includes at least: two first conductive layers and a first transmission layer located between the two first conductive layers; the first conductive layer includes at least: a first conductive cloth;
- the first transmission layer includes: at least one first signal line; a dielectric layer is also arranged between the first conductive layer and the first transmission layer, and the dielectric layer at least includes: a first substrate layer.
- the first conductive cloth by setting the first conductive cloth, when the first transmission component is bent, the first conductive cloth has better tensile performance, which can improve the bending resistance of the first transmission component , so as to improve the reliability of the transmission component when it is applied to a folding screen device, thereby meeting the performance requirements of the transmission component required in the folding screen device.
- the first conductive layer further includes: a first conductive adhesive layer, and the first conductive adhesive layer is located between the first conductive cloth and the medium layer.
- the first conductive adhesive layer is used for bonding the first conductive cloth and the dielectric layer.
- the first conductive cloth is integrally formed with the first conductive adhesive layer.
- the integral formation of the first conductive cloth and the first conductive adhesive layer can ensure the reliability of the first conductive layer.
- the first conductive cloth includes: a first matrix layer and a conductive material disposed on the first matrix layer; wherein, the tensile strength of the first matrix layer is greater than 360 MPa.
- the first matrix layer with a tensile strength greater than 360Mpa can ensure the stretchability of the first conductive cloth, and the conductive material arranged on the first matrix layer can ensure the conductivity of the first conductive cloth.
- the first matrix layer is polyester fiber.
- Polyester fiber is a synthetic fiber obtained by spinning polyester obtained by polycondensation of organic dibasic acid and dibasic alcohol. It has excellent wrinkle resistance and shape retention, high strength and elastic recovery ability, and is durable.
- the conductive material is any one or more of copper, gold, and nickel.
- the thickness of the first conductive layer is 0.01mm-0.1mm.
- the first transmission layer further includes: at least one first ground wire; and at least one first ground wire is provided on both sides of each of the first signal wires.
- the distance between the first signal line and the first ground line is greater than the distance between the first signal line and the first conductive layer.
- the dielectric layer further includes: an insulating layer, and the insulating layer is located between the first conductive layer and the first substrate layer.
- the insulating layer includes: a first insulating adhesive layer; the first insulating adhesive layer is located between the first conductive layer and the first base material layer.
- the insulating layer includes: insulating cloth and a second insulating adhesive layer, and the second insulating adhesive layer is located between the insulating cloth and the first base material layer.
- the insulating cloth has good tensile properties, which can further optimize the bending resistance of the first transmission component.
- the insulating cloth is polyester fiber.
- the insulating layer includes: a foam layer and a third insulating adhesive layer, and the third insulating adhesive layer is located between the foam material layer and the first base material layer.
- the foam layer is closed-cell foam, semi-closed-cell foam or foam material. Closed-cell foam, semi-closed-cell foam or foam materials have strong resilience and retention.
- the foam material is polytetrafluoroethylene, polyurethane or a composite material formed of polytetrafluoroethylene and fluorinated ethylene propylene copolymer.
- PTFE has excellent chemical stability, corrosion resistance, sealing, high lubrication and non-stick properties, electrical insulation and good aging resistance.
- Polyurethane is a thermoplastic linear structure with good stability, chemical resistance, resilience and mechanical properties, and has less compression set. Fluorinated ethylene propylene copolymers have good processability for thermoplastics.
- the thickness of the insulating layer is 0.04mm-0.1mm.
- the thickness of the first substrate layer is 0.012mm-0.025mm.
- a plurality of notches are provided on the first signal line, and the plurality of notches are distributed at intervals along a bending direction perpendicular to the first transmission component.
- it further includes: a second transmission component; the second transmission component is connected to the first transmission component, and the second transmission component is applied to the non-bending of the foldable electronic device. area; the second transmission component at least includes: two first ground layers and a second transmission layer located between the two first ground layers; the second transmission layer includes: a second signal line; the A second substrate layer is also provided between the first ground layer and the second transmission layer; wherein, the first ground layer is connected to the first conductive layer, and the second transmission layer is connected to the first The transmission layer is connected, and the second substrate layer is connected to the first substrate layer.
- the second transmission component in the transmission component is applied to the non-bending area of the foldable electronic device, which can ensure the structural strength and stability of the transmission component corresponding to the non-bending area, and the first transmission component in the transmission component is applied to the foldable electronic device.
- the first transmission component is provided with a conductive cloth as a ground layer, the bending resistance and reliability of the transmission component corresponding to the bending area can be ensured.
- the second transmission layer is provided integrally with the first transmission layer
- the second base material layer is provided integrally with the first base material layer.
- the first conductive layer is connected to a side of the first ground layer away from the second base material layer.
- the first conductive layer of the first transmission component is connected to the first ground layer of the second transmission component, which can ensure signal transmission performance between the first transmission component and the second transmission component.
- connection area between the first conductive layer and the first ground layer is greater than or equal to 20 mm 2 . In this way, the reliability of signal transmission between the first transmission component and the second transmission component can be further ensured.
- the thickness of the dielectric layer is set to have a first distributed capacitance between the first conductive layer and the first signal layer, and the first distributed capacitance makes the first The impedance of the transmission component is matched to the impedance of the second transmission component.
- Distributed capacitance will be formed between the first conductive layer and the first signal layer.
- Increasing the thickness of the dielectric layer can increase the distributed capacitance, and the impedance of the first transmission component is related to the distributed capacitance.
- Increasing the distributed capacitance can reduce the first The impedance of the transmission component.
- a first distributed capacitance will be formed between the first conductive layer and the first signal layer, and the first distributed capacitance can make the impedance of the first transmission component and the impedance of the second transmission component impedance matching.
- the thickness of each of the dielectric layers is set to 0.107mm
- the thickness of the first signal layer is 12um
- the dielectric layer The dielectric constant ⁇ is 2.9
- the transmission frequency is 2000MHz
- the weaving density of the first conductive cloth of the first conductive layer is set to have a second distributed capacitance between the first conductive layer and the first signal layer, and the first The second distributed capacitance makes the impedance of the first transmission component match the impedance of the second transmission component.
- Distributed capacitance will be formed between the first conductive layer and the first signal layer, increasing the weaving density of the first conductive cloth of the first conductive layer can increase the distributed capacitance, and the impedance of the first transmission component is related to the distributed capacitance, Increasing the distributed capacitance reduces the impedance of the first transmission component.
- a second distributed capacitance will be formed between the first conductive layer and the first signal layer, and the second distributed capacitance can make the first transmission component
- the impedance of is matched to the impedance of the second transmission component.
- the dielectric constant of the medium layer is set to have a third distributed capacitance between the first conductive layer and the first signal layer, and the third distributed capacitance makes the The impedance of the first transmission component is matched to the impedance of the second transmission component.
- Distributed capacitance will be formed between the first conductive layer and the first signal layer, reducing the dielectric constant of the medium layer can increase the distributed capacitance, and the impedance of the first transmission component is related to the distributed capacitance, increasing the distributed capacitance can reduce Impedance of the first transmission component.
- a third distributed capacitance will be formed between the first conductive layer and the first signal layer, and the third distributed capacitance can make the impedance of the first transmission component and the second transmission component The impedance of the components is matched.
- the dielectric constant of the dielectric layer is set to 2
- the thickness of each of the dielectric layers is set to 0.039mm
- the The thickness of the first signal layer is 12um
- the transmission frequency is 2000MHz
- the impedance is 50 ⁇ .
- the second aspect of the embodiment of the present application also provides a transmission component, which is applied to a foldable electronic device, and the transmission component includes: a first transmission component, and the first transmission component is applied to the folding of the foldable electronic device region; the first transmission component includes at least: a second conductive layer, a third transmission layer, and a third substrate layer located between the second conductive layer and the third transmission layer; the third transmission layer Including third signal lines spaced apart from each other and second ground lines located on both sides of the third signal line; and the second ground line passes through the third base material layer and conducts with the second conductive layer;
- the second conductive layer includes: a second conductive cloth.
- the transmission component sets the second conductive layer as the second conductive cloth, and when the first transmission component is bent, the second conductive cloth has better tensile performance and can improve
- the bending resistance of the first transmission component improves the reliability of the transmission component when it is applied to a folding screen device, thereby meeting the performance requirements of the transmission component required in the folding screen device.
- it further includes: a second transmission component; the second transmission component is connected to the first transmission component, and the second transmission component is applied to the non-bending of the foldable electronic device. area; the second transmission component includes at least: a second ground layer, a fourth transmission layer, and a fourth substrate layer located between the second ground layer and the fourth transmission layer; wherein, the second The ground layer is connected to the second conductive layer, the fourth transmission layer is connected to the third transmission layer, and the fourth substrate layer is connected to the third substrate layer
- the second transmission component in the transmission component is applied to the non-bending area of the foldable electronic device, which can ensure the structural strength and stability of the transmission component corresponding to the non-bending area, and the first transmission component in the transmission component is applied to the foldable electronic device.
- the second conductive layer in the first transmission component is a conductive cloth, the bending resistance and reliability of the transmission component corresponding to the bending area can be ensured.
- the fourth transmission layer is provided integrally with the third transmission layer
- the fourth base material layer is provided integrally with the third base material layer.
- the second transmission component further includes: a third ground layer and a fifth substrate layer; wherein the fourth transmission layer is located between the fourth substrate layer and the fifth substrate layer. between the substrate layers, and the fifth substrate layer is located between the fourth transmission layer and the third ground layer.
- the structural strength and stability of the second transmission component corresponding to the non-bent region can be further enhanced.
- the third aspect of the embodiment of the present application also provides a foldable electronic device, the foldable electronic device includes: a first structural member and a second structural member; there is a bend between the first structural member and the second structural member folding area; the first structural member at least includes: a first circuit board, and the second structural member at least includes: a second circuit board; the foldable electronic device further includes: any one of the transmission components described above; One end of the transmission component is connected to the first circuit board, and the other end of the transmission component is connected to the second circuit board.
- the foldable electronic device at least includes a transmission component.
- the transmission component is provided with a first conductive cloth.
- the first conductive cloth has better The tensile performance can improve the bending resistance of the first transmission component, thereby improving the reliability of the transmission component when it is applied to a folding screen device, thereby meeting the performance requirements of the transmission component required in the folding screen device.
- the transmission component includes: a first transmission component and a second transmission component connected to the first transmission component; the first transmission component is applied to the bend of the foldable electronic device In the bending area, the second transmission component is applied to the non-bending area of the foldable electronic device. Since the first transmission component has the performance of bending resistance, it is applied in the corresponding area of the rotating shaft component that needs to be bent, which can ensure the reliability of the transmission component.
- FIG. 1 is a schematic diagram of a three-dimensional structure of a folding screen mobile phone in a folded state provided by an embodiment of the present application;
- FIG. 2 is a schematic diagram of a three-dimensional structure of a folding screen mobile phone in a half-folded state provided by an embodiment of the present application;
- FIG. 3 is a schematic diagram of a three-dimensional structure of a folding screen mobile phone in an unfolded state provided by an embodiment of the present application
- FIG. 4 is a schematic plan view of a foldable screen mobile phone provided by an embodiment of the present application.
- FIG. 5 is a schematic diagram of a three-dimensional structure of a folding screen mobile phone in an unfolded state provided by an embodiment of the present application
- FIG. 6 is a schematic diagram of a three-dimensional structure of a folding screen mobile phone in a folded state provided by an embodiment of the present application
- FIG. 7 is a schematic structural diagram of a transmission component provided by an embodiment of the present application.
- Fig. 8 is the B-B ' sectional view of transmission assembly shown in Fig. 7;
- Fig. 9 is the B-B ' sectional view of the transmission assembly shown in Fig. 7;
- Fig. 10 is the B-B ' sectional view of the transmission assembly shown in Fig. 7;
- Fig. 11 is another schematic cross-sectional view of the first transmission component in the transmission component provided by an embodiment of the present application.
- Fig. 12 is another schematic cross-sectional view of the first transmission component in the transmission component provided by an embodiment of the present application.
- Fig. 13 is an electron microscope scanning diagram of the conductive cloth of the first transmission component in the transmission component provided by an embodiment of the present application;
- Fig. 14 is an electron microscope scanning diagram of the conductive cloth of the first transmission component in the transmission component provided by an embodiment of the present application;
- Fig. 15 is a cross-sectional view of a transmission assembly provided by an embodiment of the present application.
- Fig. 16 is a top view or a bottom view of a transport assembly provided by an embodiment of the present application.
- Fig. 17 is the A-A ' sectional view of the transmission assembly shown in Fig. 7;
- Fig. 18 is the A-A ' sectional view of the transmission assembly shown in Fig. 7;
- Fig. 19 is another schematic cross-sectional view of the second transmission component in the transmission component provided by an embodiment of the present application.
- Fig. 20 is a schematic cross-sectional view of a first transmission assembly in the prior art
- Fig. 21 is an antenna radiation effect diagram when the first transmission component shown in Fig. 20 is applied to a folding screen mobile phone;
- Fig. 22 is a schematic cross-sectional view of a first transmission component provided by an embodiment of the present application.
- FIG. 23 is an antenna radiation effect diagram when the first transmission component shown in FIG. 22 is applied to a folding screen mobile phone;
- FIG. 24 is a schematic structural diagram of a transmission component provided by an embodiment of the present application.
- Fig. 25 is a schematic cross-sectional view of the first transmission component in the transmission component provided by an embodiment of the present application.
- Fig. 26 is a schematic cross-sectional view of the second transmission component in the transmission component provided by an embodiment of the present application.
- Fig. 27 is a schematic cross-sectional view of the second transmission component in the transmission component provided by an embodiment of the present application.
- the display methods of electronic devices have undergone tremendous changes, one of which is the emergence of foldable electronic devices such as foldable mobile phones and foldable computers. It can double the efficiency of information interaction. In the future, multiple folding and scrolling designs can completely subvert the way of information interaction.
- the display screen of folding electronic devices can flexibly change and switch modes according to different usage scenarios, and also has a high screen ratio and clarity. For example, take a foldable mobile phone as an example. After being unfolded, it can have the display size of a tablet.
- An embodiment of the present application provides a foldable electronic device, which may include, but not limited to, mobile phones, tablet computers, notebook computers, ultra-mobile personal computers (ultra-mobile personal computers, UMPCs), handheld computers, walkie-talkies, netbooks, point-of-sale ( Point of sales (POS) machine, personal digital assistant (personal digital assistant, PDA), wearable device, virtual reality device, wireless U disk, Bluetooth audio/headphone, or vehicle pre-installation, driving recorder, security equipment, etc.
- POS Point of sales
- PDA personal digital assistant
- wearable device virtual reality device
- wireless U disk wireless U disk
- Bluetooth audio/headphone or vehicle pre-installation, driving recorder, security equipment, etc.
- the foldable screen mobile phone 200 may include: a first structural member 21 and a second structural member 22, the first structural member 21 and the second structural member There is a bending area 210 between the two structural members 22 (see FIG. 4 ).
- a rotating shaft assembly 23 may be provided in the bending area 210, the rotating shaft assembly 23 is located between the first structural member 21 and the second structural member 22, and the first structural member 21 and the second structural member 22 pass through the rotating shaft The components 23 are connected in rotation.
- the rotating shaft assembly 23 may include a rotating shaft 231 and a first connecting member 232 and a second connecting member 233 located on both sides of the axis of the rotating shaft 231, wherein the rotating shaft 231 is connected to the first connecting member 232 and the second connecting member 233 respectively.
- the two connecting parts 233 are connected in rotation, the first connecting part 232 is fixedly connected with the first structural part 21, and the second connecting part 233 is fixedly connected with the second structural part 22, thereby realizing the folding of the first structural part 21 and the second structural part 22 and expand.
- the folding screen mobile phone 200 may further include: a display screen 24, wherein the display screen 24 may be a flexible screen, and the flexible screen may cover the first structural member 21 , the rotating shaft assembly 23 and one side of the second structural member 22, so that the flexible screen can be folded or unfolded as the first structural member 21 and the second structural member 22 rotate.
- the flexible screen of the folding screen mobile phone 200 is also in the folded state and located on the first structural member. 21 and the second structural member 22.
- the folding screen mobile phone When the first structural member 21 and the second structural member 22 are rotated away from each other to the unfolded state (see FIG. 3 ), until the first structural member 21 and the second structural member 22 are on the same horizontal plane, the folding screen mobile phone The flexible screen of 200 is also in an unfolded state.
- the number of structural parts in the folding screen mobile phone 200 can be two (see Fig. 1 to Fig. 3 ) or more than two, and when the number of structural parts is more than two, each adjacent structure The parts can be rotated around the rotating shaft assembly 23 parallel to each other, so as to form a multi-layer structural part, or obtain a larger display area after unfolding.
- the folding screen mobile phone 200 has two structural components (ie, the first structural component 21 and the second structural component 22 ) as an example for illustration.
- the folding screen mobile phone 200 may further include: a rear cover 25, as shown in FIG. 1 or FIG.
- a rear cover 25 On the surface, for example, the first structural member 21 , the hinge assembly 23 and the second structural member 22 are located between the display screen 24 and the rear cover 25 .
- the folding screen mobile phone 200 may further include: a battery (such as a first battery 212 and a second battery 222) and a circuit board (such as a first circuit board 211 and a second circuit board 221), specifically , as shown in FIG. 5 , the first structural member 21 has a first battery 212 and two first circuit boards 211 located on both sides of the first battery 212, and the second structural member 22 has a second battery 222 and two circuit boards located on the second Two second circuit boards 221 on both sides of the battery 222 .
- a battery such as a first battery 212 and a second battery 222
- a circuit board such as a first circuit board 211 and a second circuit board 221
- the structure illustrated in the embodiment of the present application does not constitute a specific limitation on the folding screen mobile phone 200 .
- the folding screen mobile phone 200 may include more or fewer components than shown in the illustration, or combine certain components, or separate certain components, or arrange different components.
- the illustrated components can be realized in hardware, software or a combination of software and hardware.
- an antenna (not shown in the figure) is generally provided on the folding screen mobile phone 200, so as to transmit and receive signals through the antenna.
- the metal frame of the folding screen mobile phone 200 may be formed by cutting two slits to form an antenna.
- antennas can generally only be installed on one side of the folding screen mobile phone 200, for example, the antenna is only installed on the first structural member 21 of the folding screen mobile phone 200, or only on the second structural member 21 of the folding screen mobile phone 200.
- Antennas are arranged on the structural member 22, which will lead to a very tense antenna environment in a multi-antenna application scenario.
- the structural components on both sides of the folding screen mobile phone have antenna functions.
- One end of the transmission assembly 100 is connected to the first circuit board 211 in the first structure 21
- the other end of the transmission assembly 100 is connected to the second circuit board 221 in the second structure 22 through the shaft assembly 23 .
- the folding screen mobile phone 200 has a transmission component 100, one end of the transmission component 100 is connected to one of the first circuit boards 211 in the first structural member 21, and the other end of the transmission component 100 passes through the bending area 210. It is connected to the second circuit board 221 in the second structure 22 , and two circuit boards on the same side (for example, two second circuit boards 221 in the second structure 22 ) can be connected through the flexible circuit board 26 .
- an embodiment of the present application provides a transmission component, which can be applied to foldable electronic devices (such as folding screen mobile phones).
- the transmission component bends the first transmission component by setting the first conductive cloth
- the first conductive cloth has better tensile properties, which can improve the bending resistance of the first transmission component, thereby improving the reliability of the transmission component when it is applied to folding screen devices, and then can meet the needs of folding screen devices.
- the performance requirements of the required transmission components are improved while improving the user's use effect.
- an embodiment of the present application provides a transmission component 100, which is applied to a foldable electronic device (such as a folding screen mobile phone 200), and the transmission component 100 may include: a first transmission component 10 , the first transmission component 10 is applied to the bending area 210 of the foldable electronic device (see FIG. 4 ), wherein, as shown in FIG.
- the first transmission component 10 may at least include: two first conductive layers 11 and The first transmission layer 12 located between the two first conductive layers 11, each first conductive layer 11 may at least include: a first conductive cloth 111, the first transmission layer 12 may include: at least one first signal line 121, A dielectric layer 13 is further disposed between the first conductive layer 11 and the first transmission layer 12 , and the dielectric layer 13 may at least include a first substrate layer 131 .
- the first transmission layer 12 may further include: at least one first ground line 122 , wherein at least one ground line 122 is provided on both sides of each first signal line 121 The first ground wire 122 .
- the first transmission layer 12 includes a first signal line 121 and two first ground lines 122, and the first ground lines 122 located on both sides of the first signal line 121 can function to shield external interference signals. effect.
- FIG. 11 the first transmission layer 12 includes a first signal line 121 and two first ground lines 122, and the first ground lines 122 located on both sides of the first signal line 121 can function to shield external interference signals.
- the first transmission layer 12 includes two first signal lines 121 and three first ground lines 122, wherein the first ground line 122 between two adjacent first signal lines 121 (that is, the first ground line 122 located between the first The first ground line 122) in the middle of a transmission layer 12 can play a role of isolation to avoid mutual interference between two adjacent first signal lines 121 .
- the two first ground wires 122 located on the two most sides of the first transmission layer 12 can function to shield external interference signals.
- the first transmission layer 12 may include two first signal lines 121 and one first ground line 122, wherein the first ground line 122 is located between the two first signal lines 121,
- the first ground wire 122 can function as an isolation to avoid mutual interference between the two first signal wires 121 .
- the first ground line 122 may not be provided between two adjacent first signal lines 121, so that the adjacent two first signal lines It only needs to increase the distance between the lines 121 to ensure that the isolation between two adjacent first signal lines 121 is greater than 20 dB.
- the distance between the first signal line 121 and the first ground line 122 may be greater than the distance between the first signal line 121 and the first conductive layer 11 . In this way, it can be ensured that the first signal line 121 still has a stripline structure to control impedance, and the first ground lines 122 on the left and right sides only have the effect of shielding interference without affecting the impedance of the first signal line 121 . If the distance between the first signal line 121 and the first ground line 122 is too short, the coplanar waveguide will be changed.
- the material of the first substrate layer 131 can be liquid crystal polymer (Liquid Crystal Polymer, LCP), fluorine, polyimide (Polyimide, PI) or modified polyimide (MPI)
- LCP liquid crystal Polymer
- fluorine fluorine
- polyimide Polyimide, PI
- MPI modified polyimide
- the first conductive layer 11 may further include: a first conductive adhesive layer 112, wherein the first conductive adhesive layer 112 is located between the first conductive cloth 111 and the dielectric layer 13, The first conductive adhesive layer 112 is used to bond the first conductive cloth 111 and the dielectric layer 13 .
- the first conductive cloth 111 and the first conductive adhesive layer 112 may be integrally formed.
- the integral formation of the first conductive cloth 111 and the first conductive adhesive layer 112 can ensure the reliability of the first conductive layer 11 .
- the first conductive cloth 111 may include: a first matrix layer and a conductive material disposed on the first matrix layer, wherein the tensile strength of the first matrix layer is greater than 360Mpa, that is, the tensile strength of the first matrix layer is The tensile strength is greater than the tensile properties of copper.
- the first matrix layer with a tensile strength greater than 360Mpa can ensure the stretchability of the first conductive cloth 111
- the conductive material disposed on the first matrix layer can ensure the conductivity of the first conductive cloth 111 .
- the first matrix layer may be polyester fiber.
- Polyester fiber is a synthetic fiber obtained by spinning polyester obtained by polycondensation of organic dibasic acid and dibasic alcohol. It has excellent wrinkle resistance and shape retention, high strength and elastic recovery ability, and is durable.
- the conductive material may be any one or more of copper, gold, and nickel.
- the conductive material can be granular (see Figure 13 and Figure 14 ), or branched (see Figure 13 and Figure 14 ).
- the first conductive cloth 111 formed in this way is due to copper, nickel and gold
- the linear size of the gap in the conductive cloth is less than 1/10 wavelength, and the hole size is smaller than 1/5 wavelength.
- the mesh number of conventional conductive cloth is generally 100 mesh to 400 mesh, and the aperture size is from 0.150mm to 0.0374mm. , a better shielding effect can be obtained in the range of 100K-3GHz.
- a metal/conductive polymer composite layer can be constructed on the surface of the first conductive cloth 111 or inside the first conductive adhesive layer 112, for example, a dendrite is used inside the colloid of the first conductive adhesive layer 112. Crystals instead of conductive particles, or weaving metal wires and particles with wave-absorbing functions in the first conductive cloth 111, the first conductive layer 11 (that is, the anti-electromagnetic radiation textile material) obtained in this way can realize both reflection and absorption attenuation mechanism, so as to achieve the effect of mutual enhancement and solve the problem of high-frequency shielding.
- the thickness of the first conductive layer 11 may be 0.01mm-0.1mm. Wherein, as an optional implementation manner, the thickness of the first conductive layer 11 may be 0.03mm-0.05mm. For example, the thickness of the first conductive layer 11 may be 0.035mm, 0.04mm or 0.045mm and so on. It should be noted here that the numerical values and numerical ranges involved in this application are approximate values, and there may be a certain range of errors due to the influence of the manufacturing process, and those skilled in the art may consider these errors to be negligible.
- the lap resistance of the first conductive layer 11 is no more than 200 milliohms, and the post-reliability degradation is no more than 200 milliohms.
- the shielding effectiveness of the first conductive layer 11 is greater than 70dBm.
- the dielectric layer 13 may further include: an insulating layer 132 located between the first conductive layer 11 and the first substrate layer 131, wherein the specific arrangement of the insulating layer 132 includes but is not limited to the following Several possible implementations:
- the insulating layer 132 includes a first insulating adhesive layer 1321 , and the first insulating adhesive layer 1321 is located between the first conductive layer 11 and the first substrate layer 131 .
- the first insulating adhesive layer 1321 By disposing the first insulating adhesive layer 1321 between the first conductive layer 11 and the first base material layer 131, the thickness of the first base material layer 131 can be appropriately reduced, and the first insulating adhesive layer 1321 is compared with the first
- the base material layer 131 has better stretchability, which can enhance the bendability of the first transmission component 10 .
- the insulating layer 132 includes: an insulating cloth 1322 and a second insulating adhesive layer 1323 , and the second insulating adhesive layer 1323 is located between the insulating cloth 1322 and the first substrate layer 131 .
- the insulating cloth 1322 has good tensile properties, which can further optimize the bending resistance of the first transmission component 10 .
- the insulating cloth 1322 may be polyester fiber.
- the insulating layer 132 may include: a foam layer 1324 and a third insulating adhesive layer 1325, and the third insulating adhesive layer 1325 is located between the foam material layer and the first substrate layer. Between 131.
- the foam layer 1324 can be closed-cell foam, semi-closed-cell foam or foam material. Closed-cell foam, semi-closed-cell foam or foam materials have strong resilience and retention.
- the foam material may be polytetrafluoroethylene (Poly tetrafluoroethylene, PTFE), polyurethane (PU), or a composite material formed of polytetrafluoroethylene and fluorinated ethylene propylene copolymer (Fluorinated ethylene propylene, FEP).
- PTFE has excellent chemical stability, corrosion resistance, sealing, high lubrication and non-stick properties, electrical insulation and good aging resistance.
- Polyurethane is a thermoplastic linear structure with good stability, chemical resistance, resilience and mechanical properties, and has less compression set. Fluorinated ethylene propylene copolymers have good processability for thermoplastics.
- the thickness of the insulating layer 132 may be 0.04mm-0.1mm.
- the thickness of the insulating layer 132 may be 0.05mm, 0.06mm or 0.07mm, etc. It should be noted here that the numerical values and numerical ranges involved in this application are approximate values, and there may be a certain range of errors due to the influence of the manufacturing process, and those skilled in the art may consider these errors to be negligible.
- the thickness of the first substrate layer 131 may be 0.012mm-0.025mm.
- the thickness of the first base material layer 131 may be 0.015mm, 0.018mm or 0.021mm and so on. It should be noted here that the numerical values and numerical ranges involved in this application are approximate values, and there may be a certain range of errors due to the influence of the manufacturing process, and those skilled in the art may consider these errors to be negligible.
- a plurality of notches 1211 may be provided on the first signal line 121 , and the plurality of notches 1211 are along the bend perpendicular to the first transmission component 10 . Fold direction interval distribution.
- the transmission assembly 100 may further include: a second transmission assembly 20, the second transmission assembly 20 is connected to the first transmission assembly 10, and the second transmission assembly 20 is applied to the non-bending of the foldable electronic device. area (that is, the area outside the bending area 210 of the folding screen mobile phone 200 in FIG. 4 ). It should be noted that at least part of the first transmission assembly 10 covers the shaft assembly 23 . Since the first transmission component 10 has the performance of bending resistance, it is applied in the corresponding area of the rotating shaft component 23 that needs to be bent, so that the reliability of the transmission component 100 can be ensured.
- the second transmission component 20 may at least include: two first ground layers 201 and a second transmission layer 202 located between the two first ground layers 201, and the second transmission layer 202 may include: a second signal line 2021 , a second substrate layer 203 is also provided between the first ground layer 201 and the second transmission layer 202, wherein the first ground layer 201 is connected to the first conductive layer 11, and the second transmission layer 202 is connected to the first transmission layer 12 connected, the second substrate layer 203 is connected to the first substrate layer 131 .
- the second transmission component 20 in the transmission component 100 is applied to the non-bending area of the foldable electronic device, which can ensure the structural strength and stability of the transmission component 100 corresponding to the non-bending area.
- the first transmission component 100 in the transmission component 100 10 is applied to the bending area of the foldable electronic device. Since the first transmission component 10 is provided with a conductive cloth as a ground layer, the bending resistance and reliability of the transmission component 100 corresponding to the bending area 210 can be ensured.
- the second transmission layer 202 and the first transmission layer 12 may be integrally provided, and the second substrate layer 203 and the first substrate layer 131 may be provided integrally. In this way, the reliability of signal transmission between the first transmission component 10 and the second transmission component 20 can be ensured.
- the second transmission component 20 may further include: a first adhesive layer 204 (see FIG. 17 ), the first adhesive layer 204 is located between the second transmission layer 202 and the second substrate Between the material layers 203, the first adhesive layer 204 may be low-loss adhesive, etc., which is not limited in this embodiment of the present application.
- the second transmission component 20 may further include: a first covering layer 205 , wherein the first covering layer 205 is located on the side of the first ground layer 201 away from the second substrate layer 203 .
- the first covering layer 205 may be a covering film made of ink, etc., which is not limited in this embodiment of the present application.
- the first conductive layer 11 may be connected to the side of the first ground layer 201 away from the second substrate layer 203 .
- the first conductive layer 11 of the first transmission component 10 is connected to the first ground layer 201 of the second transmission component 20 , which can ensure signal transmission performance between the first transmission component 10 and the second transmission component 20 .
- part of the first cover layer 205 in the second transmission component 20 that adheres to the first ground layer 201 can be canceled (for example, by etching and other processes), and one end of the first conductive layer 11 can be removed. It is arranged here to facilitate the electrical connection between the first conductive layer 11 and the first ground layer 201 .
- connection area between the first conductive layer 11 and the first ground layer 201 is greater than or equal to 20 mm 2 .
- the connection area between the first conductive layer 11 and the first ground layer 201 may be 20mm 2 , 25mm 2 , 30mm 2 and so on. Increasing the connection area between the first conductive layer 11 and the first ground layer 201 can further ensure the reliability of signal transmission between the first transmission component 10 and the second transmission component 20 and avoid the problem of spurious radiation.
- the second transmission layer 202 may further include: at least one fourth ground line 2022 , where at least one fourth ground line 2022 may be provided on both sides of each second signal line 2021 .
- Ground wire 2022 the first transmission layer 12 includes a second signal line 2021 and two fourth ground lines 2022, and the fourth ground lines 2022 located on both sides of the second signal line 2021 can function to shield external interference signals. effect.
- the second transmission layer 202 may include two second signal lines 2021 and three fourth ground lines 2022, wherein the fourth ground line 2022 located between two adjacent second signal lines 2021 (that is, located on the second The fourth ground line 2022) in the middle of the transmission layer 202 can play a role of isolation to avoid mutual interference between two adjacent second signal lines 2021 .
- the two fourth ground wires 2022 located at the most two sides of the second transmission layer 202 can function to shield external interference signals.
- the second transmission layer 202 may include two second signal lines 2021 and a fourth ground line 2022, wherein the fourth ground line 2022 is located between the two second signal lines 2021,
- the fourth ground wire 2022 can function as an isolation to avoid mutual interference between the two second signal wires 2021 .
- the fourth ground line 2022 may not be provided between two adjacent second signal lines 2021, so that the two adjacent second signal lines 2021 It only needs to increase the distance between the lines 2021 to ensure that the isolation between two adjacent second signal lines 2021 is greater than 20 dB.
- the distance between the second signal line 2021 and the fourth ground line 2022 may be greater than the distance between the second signal line 2021 and the first conductive layer 11 . In this way, it can be ensured that the second signal line 2021 still has a stripline structure to control impedance, and the fourth ground lines 2022 on the left and right sides only have the effect of shielding interference without affecting the impedance of the second signal line 2021 . If the distance between the second signal line 2021 and the fourth ground line 2022 is too short, the coplanar waveguide will be changed.
- the first transmission component 10 may only include the first transmission layer 12 (the first transmission layer 12 includes the same-layer signal lines 123 and the same-layer ground lines 124 arranged at intervals) and the first base material layer 131, so that the radiation performance diagram of the antenna in the folding screen mobile phone 200 having the first transmission component 10 is shown in FIG. 21 .
- the first transmission component 10 includes a first transmission layer 12 and a dielectric layer 13 located on both sides of the first transmission layer 12. The side of the two dielectric layers 13 away from the first transmission layer 12 is also provided with a first Conductive layer 11, in this way, the radiation performance diagram of the antenna in the folding screen mobile phone 200 having the first transmission component 10 is shown in FIG. 23 . Comparing FIG. 21 and FIG. 23 , it can be known that the interference protection effect of the first transmission component 10 in FIG. 22 is obviously better than that of the first transmission component 10 in FIG. 20 .
- the ways of adjusting the impedance of the first transmission component 10 include but are not limited to the following three possible implementation ways:
- the thickness of the dielectric layer 13 can be set to have a first distributed capacitance between the first conductive layer 11 and the first signal layer, and the first distributed capacitance makes the impedance of the first transmission component 10 and the second The impedance of the transmission component 20 is matched.
- distributed capacitance will be formed between the first conductive layer 11 and the first signal layer, increasing the thickness of the dielectric layer 13 can increase the distributed capacitance, and the impedance of the first transmission component 10 is related to the distributed capacitance, increasing The distributed capacitance can reduce the impedance of the first transmission component 10 .
- a first distributed capacitance will be formed between the first conductive layer 11 and the first signal layer, and the first distributed capacitance can make the impedance of the first transmission component 10 and the second The impedance of the transmission component 20 is matched.
- the thickness of each dielectric layer 13 is set to 0.107mm
- the thickness of the first signal layer is 12um
- the dielectric constant ⁇ of the dielectric layer 13 is 2.9
- the transmission when the frequency is 2000 MHz, there is a first distributed capacitance between the first conductive layer 11 and the first signal layer, and the first distributed capacitance can make the impedance of the first transmission component 10 be 50 ⁇ .
- the weaving density of the first conductive cloth 111 of the first conductive layer 11 is set to have a second distributed capacitance between the first conductive layer 11 and the first signal layer, and the second distributed capacitance makes the first
- the impedance of one transmission component 10 is matched to the impedance of the second transmission component 20 .
- Distributed capacitance will be formed between the first conductive layer 11 and the first signal layer, increasing the weaving density of the first conductive cloth 111 of the first conductive layer 11 can increase the distributed capacitance, and the impedance and distributed capacitance of the first transmission component 10 Relatedly, increasing the distributed capacitance may reduce the impedance of the first transmission component 10 . In this way, when the weaving density of the first conductive cloth 111 of the first conductive layer 11 reaches a preset value, a second distributed capacitance will be formed between the first conductive layer 11 and the first signal layer, and the second distributed capacitance can make the first The impedance of one transmission component 10 is matched to the impedance of the second transmission component 20 .
- the dielectric constant of the dielectric layer 13 is set to have a third distributed capacitance between the first conductive layer 11 and the first signal layer, and the third distributed capacitance makes the impedance of the first transmission component 10 and The impedance of the second transmission component 20 is matched.
- Distributed capacitance will be formed between the first conductive layer 11 and the first signal layer, reducing the dielectric constant of the dielectric layer 13 can increase the distributed capacitance, and the impedance of the first transmission component 10 is related to the distributed capacitance, increasing the distributed capacitance can The impedance of the first transmission component 10 is reduced.
- a third distributed capacitance will be formed between the first conductive layer 11 and the first signal layer, and the third distributed capacitance can make the impedance of the first transmission component 10 and The impedance of the second transmission component 20 is matched.
- the dielectric constant of the dielectric layer 13 is set to 2
- the thickness of each dielectric layer 13 is set to 0.039mm
- the thickness of the first signal layer is 12um
- the transmission frequency is At 2000 MHz
- the impedance of the first transmission component 10 does not match the impedance of the second transmission component 20, the transmission performance of the transmission component 100 will be poor.
- the impedance matching of the second transmission component 20 can ensure the signal transmission performance of the transmission component 100 .
- the embodiment of the present application also provides a transmission component 100, which is applied to a foldable electronic device (such as a folding screen mobile phone 200).
- the transmission component 100 includes: The first transmission component 10, the first transmission component 10 is applied to the bending area 210 of the foldable electronic device, the first transmission component 10 at least includes: the second conductive layer 301, the third transmission layer 302 and the second conductive layer 301 and the The third substrate layer 303 between the third transmission layer 302, the third transmission layer 302 includes a third signal line 3021 spaced from each other and a second ground line 3022 located on both sides of the third signal line 3021, and the second ground line 3022 is connected to the second conductive layer 301 through the third substrate layer 303 , and the second conductive layer 301 includes: a second conductive cloth 3011 .
- the second conductive layer 301 may further include: a second conductive adhesive layer 3012, wherein the second conductive adhesive layer 3012 is located between the second conductive cloth 3011 and the third substrate layer 303, and the second conductive The adhesive layer 3012 is used to bond the second conductive cloth 3011 and the third substrate layer 303 .
- the second conductive cloth 3011 and the second conductive adhesive layer 3012 may be integrally formed.
- the integral formation of the second conductive cloth 3011 and the second conductive adhesive layer 3012 can ensure the reliability of the second conductive layer 301 .
- the second conductive cloth 3011 may include: a second matrix layer and a conductive material disposed on the second matrix layer, wherein the tensile strength of the second matrix layer is greater than 700Mpa.
- the second matrix layer with a tensile strength greater than 700Mpa can ensure the stretchability of the second conductive cloth 3011
- the conductive material disposed on the second matrix layer can ensure the conductivity of the second conductive cloth 3011 .
- the second matrix layer may be polyester fiber.
- Polyester fiber is a synthetic fiber obtained by spinning polyester obtained by polycondensation of organic dibasic acid and dibasic alcohol. It has excellent wrinkle resistance and shape retention, high strength and elastic recovery ability, and is durable.
- the thickness of the second conductive layer 301 may be 0.03mm-0.05mm.
- the thickness of the second conductive layer 301 may be 0.035mm, 0.04mm or 0.045mm and so on. It should be noted here that the numerical values and numerical ranges involved in this application are approximate values, and there may be a certain range of errors due to the influence of the manufacturing process, and those skilled in the art may consider these errors to be negligible.
- the second conductive layer 301 As the second conductive cloth, when the first transmission component 10 is bent, the second conductive cloth has better tensile performance, which can improve the bending resistance of the first transmission component 10 , so as to improve the reliability of the transmission component 100 when it is applied to a folding screen device, thereby meeting the performance requirements of the transmission component 100 required in the folding screen device.
- the transmission component 100 further includes: a second transmission component 20, the second transmission component 20 is connected to the first transmission component 10, and the second transmission component 20 is applied to the non-bending area of the foldable electronic device 26 or 27, the second transmission component 20 at least includes: a second ground layer 401, a fourth transmission layer 402, and a fourth substrate layer located between the second ground layer 401 and the fourth transmission layer 402 403 , wherein the second ground layer 401 is connected to the second conductive layer 301 , the fourth transmission layer 402 is connected to the third transmission layer 302 , and the fourth substrate layer 403 is connected to the third substrate layer 303 .
- the second transmission component 20 in the transmission component 100 is applied to the non-bending area of the foldable electronic device, which can ensure the structural strength and stability of the transmission component 100 corresponding to the non-bending area.
- the first transmission component 100 in the transmission component 100 10 is applied to the bending area 210 of the foldable electronic device. Since the second conductive layer 301 in the first transmission component 10 is a conductive cloth, the bending resistance and reliability of the transmission component 100 corresponding to the bending area can be ensured.
- the fourth transmission layer 402 is integrally provided with the third transmission layer 302
- the fourth base material layer 403 is integrally provided with the third base material layer 303 . In this way, the reliability of signal transmission between the first transmission component 10 and the second transmission component 20 can be ensured.
- the second transmission component 20 further includes: a third ground layer 404 and a fifth substrate layer 405, wherein the fourth transmission layer 402 is located on the fourth substrate layer 403 and the fifth substrate layer 405 , and the fifth substrate layer 405 is located between the fourth transmission layer 402 and the third ground layer 404 .
- the structural strength and stability of the second transmission component 20 corresponding to the non-bending area can be further enhanced.
- the second transmission component 20 may further include: a second covering layer 50 (see FIG. 26 or FIG. 27 ), wherein the second covering layer 50 is located away from the second ground layer 401 A side of the fourth base material layer 403 and a side of the third ground layer 404 away from the fifth base material layer 405 are located.
- the second covering layer 50 may be a covering film made of ink, etc., which is not limited in this embodiment of the present application.
- the second transmission assembly 20 may further include: a second adhesive layer 60 (see FIG. 26 or FIG. 27 ), the second adhesive layer 60 is located between the fourth transmission layer 402 and the fifth substrate layer 405, the second The adhesive layer 60 may be low-damage glue, etc., which is not limited in this embodiment of the present application.
- the fourth transmission layer 402 includes fourth signal lines 4021 spaced apart from each other and third ground lines 4022 located on both sides of the fourth signal lines 4021 .
- connection should be understood in a broad sense, for example, it can be a fixed connection or a An indirect connection through an intermediary may be an internal communication between two elements or an interaction relationship between two elements.
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Abstract
Description
Claims (23)
- 一种传输组件,其特征在于,所述传输组件包括:第一传输组件,所述第一传输组件应用于可折叠电子设备的弯折区;所述第一传输组件至少包括:两个第一导电层以及位于两个所述第一导电层之间的第一传输层;所述第一导电层至少包括:第一导电布;所述第一传输层包括:至少一个第一信号线;所述第一导电层和所述第一传输层之间还设置有介质层,所述介质层至少包括:第一基材层。
- 根据权利要求1所述的传输组件,其特征在于,所述第一导电层还包括:第一导电胶层,所述第一导电胶层位于所述第一导电布和所述介质层之间。
- 根据权利要求2所述的传输组件,其特征在于,所述第一导电布与所述第一导电胶层一体成型。
- 根据权利要求2或3所述的传输组件,其特征在于,所述第一导电布包括:第一基质层以及设置在所述第一基质层上的导电材料;其中,所述第一基质层为聚酯纤维,所述第一基质层的抗拉强度大于360Mpa。
- 根据权利要求4所述的传输组件,其特征在于,所述导电材料为铜、金、镍中的任意一种或多种,所述第一导电层的厚度为0.01mm-0.1mm。
- 根据权利要求1-5任一所述的传输组件,其特征在于,所述第一传输层还包括:至少一个第一接地线;每个所述第一信号线的两侧均设置有至少一个所述第一接地线,所述第一信号线与所述第一接地线之间的距离大于所述第一信号线与所述第一导电层之间的距离。
- 根据权利要求1-6任一所述的传输组件,其特征在于,所述介质层还包括:绝缘层,所述绝缘层位于所述第一导电层和所述第一基材层之间。
- 根据权利要求7所述的传输组件,其特征在于,所述绝缘层包括:第一绝缘胶层;所述第一绝缘胶层位于所述第一导电层和所述第一基材层之间。
- 根据权利要求7所述的传输组件,其特征在于,所述绝缘层包括:绝缘布以及第二绝缘胶层,所述第二绝缘胶层位于所述绝缘布和所述第一基材层之间,所述绝缘布为聚酯纤维。
- 根据权利要求7所述的传输组件,其特征在于,所述绝缘层包括:发泡层以及第三绝缘胶层,所述第三绝缘胶层位于所述发泡材料层和所述第一基材层之间。
- 根据权利要求10所述的传输组件,其特征在于,所述发泡层为闭孔泡棉、半闭孔泡棉或发泡材料,所述发泡材料为聚四氟乙烯、聚氨酯或聚四氟乙烯与氟化乙烯丙烯共聚物所形成的复合材料。
- 根据权利要求7-11任一所述的传输组件,其特征在于,所述绝缘层的厚度为0.04mm-0.1mm,所述第一基材层的厚度为0.012mm-0.025mm。
- 根据权利要求1-12任一所述的传输组件,其特征在于,所述第一信号线上设置有多个缺口,且多个所述缺口沿着垂直于所述第一传输组件的弯折方向间隔分布。
- 根据权利要求1-13任一所述的传输组件,其特征在于,还包括:第二传输组件;所述第二传输组件与所述第一传输组件相连,所述第二传输组件应用于所述可折叠电子设备的非弯折区;所述第二传输组件至少包括:两个第一接地层以及位于两个所述第一接地层之间的第二传输层;所述第二传输层包括:第二信号线;所述第一接地层和所述第二传输层之间还设置有第二基材层;其中,所述第一接地层与所述第一导电层相连,所述第二传输层与所述第一传输层相连,所述第二基材层与所述第一基材层相连。
- 根据权利要求14所述的传输组件,其特征在于,所述第二传输层与所述第一传输层为一体设置,所述第二基材层与所述第一基材层为一体设置,所述第一导电层与所述第一接地层背离所述第二基材层的一面相连,所述第一导电层与所述第一接地层之间的连接面积大于等于20mm 2。
- 根据权利要求14或15所述的传输组件,其特征在于,所述介质层的厚度被设置为所述第一导电层与所述第一信号层之间具有第一分布电容,所述第一分布电容使得所述第一传输组件的阻抗与所述第二传输组件的阻抗相匹配。
- 根据权利要求16所述的传输组件,其特征在于,所述第二传输组件的阻抗为50Ω时,每个所述介质层的厚度被设置为0.107mm,所述第一信号层的厚度为12um,所述介质层的介电常数ε为2.9,传输频率为2000MHz时,所述第一导电层与所述第一信号层之间具有第一分布电容,所述第一分布电容使得所述第一传输组件的阻抗为50Ω。
- 根据权利要求14或15所述的传输组件,其特征在于,所述第一导电层的第一导电布的编织密度被设置为所述第一导电层与所述第一信号层之间具有第二分布电容,所述第二分布电容使得所述第一传输组件的阻抗与所述第二传输组件的阻抗相匹配。
- 根据权利要求14或15所述的传输组件,其特征在于,所述介质层的介电常数被设置为所述第一导电层与所述第一信号层之间具有第三分布电容,所述第三分布电容使得所述第一传输组件的阻抗与所述第二传输组件的阻抗相匹配。
- 根据权利要求19所述的传输组件,其特征在于,所述第二传输组件的阻抗为50Ω时,所述介质层的介电常数被设置为2,每个所述介质层的厚度被设置为0.039mm,所述第一信号层的厚度为12um,传输频率为2000MHz时,所述第一接地层与所述第一信号层之间具有第三分布电容,所述第三分布电容使得所述第一传输组件的阻抗为50Ω。
- 一种可折叠电子设备,其特征在于,包括:第一结构件以及第二结构件;所述 第一结构件与所述第二结构件之间具有弯折区;所述第一结构件至少包括:第一电路板,所述第二结构件至少包括:第二电路板;所述可折叠电子设备还包括:上述权利要求1-20任一所述的传输组件;所述传输组件的一端与所述第一电路板相连,所述传输组件的另一端与所述第二电路板相连。
- 根据权利要求21所述的可折叠电子设备,其特征在于,所述传输组件包括:第一传输组件以及与所述第一传输组件相连的第二传输组件;所述第一传输组件应用于所述可折叠电子设备的弯折区,所述第二传输组件应用于所述可折叠电子设备的非弯折区。
- 一种传输组件,其特征在于,所述传输组件包括:第一传输组件,所述第一传输组件应用于可折叠电子设备的弯折区;所述第一传输组件至少包括:两个第一导电层以及位于两个所述第一导电层之间的第一传输层;所述第一导电层至少包括:第一导电布,所述第一导电布包括第一基质层以及设置在所述第一基质层上的导电材料,所述第一基质层为聚酯纤维;所述第一传输层包括:至少一个第一信号线;所述第一导电层和所述第一传输层之间还设置有介质层,所述介质层至少包括:第一基材层;所述第一导电层还包括:第一导电胶层,所述第一导电胶层位于所述第一导电布和所述介质层之间,所述第一导电胶层用于将所述第一导电布与所述介质层相粘合。
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