CN205385650U - Flexible printed circuit board, connector assembly and electronic device - Google Patents
Flexible printed circuit board, connector assembly and electronic device Download PDFInfo
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- CN205385650U CN205385650U CN201620015089.3U CN201620015089U CN205385650U CN 205385650 U CN205385650 U CN 205385650U CN 201620015089 U CN201620015089 U CN 201620015089U CN 205385650 U CN205385650 U CN 205385650U
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Abstract
Flexible printed circuit board, connector assembly and electron device, the utility model provides a flexible printed circuit board, include: a first terminal part having a first ground terminal, a second ground terminal, a first power terminal, a second power terminal, a first other signal terminal, a first high-speed differential signal terminal, a second high-speed differential signal terminal, a third ground terminal, a third high-speed differential signal terminal, a fourth high-speed differential signal terminal, a third power terminal, a fourth power terminal, a second other signal terminal, and a first low-speed differential signal terminal arranged in order in a width direction, a second low-speed differential signal terminal, a third other signal terminal, a fifth power terminal, a sixth power terminal, a fifth high-speed differential signal terminal, a sixth high-speed differential signal terminal, a fourth ground terminal, a seventh high-speed differential signal terminal, an eighth high-speed differential signal terminal, a fourth other signal terminal, a seventh power terminal, an eighth power terminal, a fifth ground terminal, and a sixth ground terminal. Furthermore, the present invention provides a connector assembly and an electronic device.
Description
Technical field
The relevant a kind of printed circuit board (PCB) of this utility model system, espespecially a kind of multi-layer flexible printed circuit board.
Background technology
The printed circuit that the insulating substrate of flexible printed circuit board system flexibility is made, has the advantage that many rigid printed circuit boards do not possess.Such as it can free bend, winding, folding, can require arbitrarily to arrange according to space layout, and arbitrarily move at three dimensions and stretch, thus reaching components and parts assembling and wire connecting integration.Utilize flexible printed circuit board can be substantially reduced the volume of electronic product, it is suitable for the needs that electronic installation develops to high density, miniaturization, highly reliable direction, therefore, flexible printed circuit board is widely used on the fields such as space flight, military affairs, mobile communication, laptop computer, computer peripheral equipment, PDA, digital camera or product.
Flexible printed circuit board have one side, two-sided and multi-layer sheet point.The base material adopted is based on polyimide copper clad lamination.This kind of material thermal resistance height, good stability of the dimension, form final products with the coverlay having mechanical protection and good electrical insulating properties concurrently by compacting.Polyimide resin system, with the poly-pyromellitic acid imines by the reaction generation of oxygenous layer base and anhydrous pyromellitic acid for representative, has the common name of the heat resistant type resin of the negative ring of imines five.The conductor of flexible printed circuit board is all the copper of thin foil shape, it is simply that so-called Copper Foil, and its method for making can be divided into electrolytic copper foil and rolled copper foil, wherein again with rolled copper foil for main flow.Additionally, the top layer of two-sided, multilayer printed wiring board and inner conductor are by the electric connection realizing ectonexine circuit of metallizing.
Patent publication No. WO2011/018862A1 has revealed that the manufacture method of a kind of multi-layer flexible printed circuit board, its fine circuits that can reach to realize surface wiring layer in multilamellar multi-layer flexible printed circuit board, thus not hindering high-density installation.But, flexible printed circuit board can be applicable to low performance, low operation frequency environment, also can be applicable to high-performance, high operation frequency environment.In order to be applicable to higher operation frequency environment use, the structural design of flexible printed circuit board and fabrication schedule relatively comparatively difficulty and high cost.This is because between signal circuit on same rete, and between the signal circuit in adjacent film layers, electromagnetic interference each other will be apparent from, and then affects signal transmission quality.
In view of this, this creator, thoughts on above-mentioned inconvenience, is concentrate on studies and coordinate scientific principle to use and combine experience for many years, conceives this creation that is a kind of reasonable in design and that can be effectively improved.
Summary of the invention
One of this utility model purpose, it is in that flexible printed circuit board has less stack layer, the multiple signals such as high speed differential signal, low speed differential signal, other signal, ground connection signal and power signal can be transmitted, it is respectively provided with good shield effectiveness between signal line and between stack layer and stack layer, to reduce electromagnetic interference simultaneously.
nullFor reaching above-mentioned purpose，This utility model provides a kind of flexible printed circuit board，Including: cable body、It is positioned at the first terminal portion of this cable body one end and is positioned at the second portion of terminal of this cable body other end，This first terminal portion has one first ground terminal of sequential in the width direction、One second ground terminal、One first power supply terminal、One second source terminal、One first other signal terminal、One first high speed differential signal terminal、One second high speed differential signal terminal、One the 3rd ground terminal、One the 3rd high speed differential signal terminal、One the 4th high speed differential signal terminal、One the 3rd power supply terminal、One the 4th power supply terminal、One second other signal terminal、One first low speed differential signal terminal、One second low speed differential signal terminal、One the 3rd other signal terminal、One the 5th power supply terminal、One the 6th power supply terminal、One the 5th high speed differential signal terminal、One the 6th high speed differential signal terminal、One the 4th ground terminal、One the 7th high speed differential signal terminal、One the 8th high speed differential signal terminal、One the 4th other signal terminal、One the 7th power supply terminal、One the 8th power supply terminal、One the 5th ground terminal and one the 6th ground terminal.
In one embodiment, wherein this cable body includes: bus plane, signal line layer and ground plane, this signal line layer is between this bus plane and this ground plane, this signal line layer includes power line and earth lead, this power line is formed with this bus plane and electrically conducts, and this earth lead is formed with this ground plane and electrically conducts.
In one embodiment, wherein this ground connection linear system one first earth lead of this signal line layer and one second earth lead, this the first earth lead one end electrically connects the 3rd ground terminal in this first terminal portion, and this second earth lead one end electrically connects the 4th ground terminal in this first terminal portion.
In one embodiment, wherein this power supply linear system one first power line of this signal line layer and a second source line, this the first power line one end electrically connects the 3rd power supply terminal and the 4th power supply terminal in this first terminal portion, and this second source line one end electrically connects the 5th power supply terminal and the 6th power supply terminal in this first terminal portion.
In one embodiment, wherein this ground connection linear system one first earth lead of this signal line layer and one second earth lead, this first earth lead and this second earth lead are electrically connected this first to the 6th ground terminal in this ground plane and this first terminal portion simultaneously.
In one embodiment, wherein this power supply linear system one first power line of this signal line layer and a second source line, this first power line and this second source line are electrically connected this first to the 8th power supply terminal in this bus plane and this first terminal portion simultaneously.
In one embodiment, wherein this signal line layer more comprises four pairs of high speed differential signal line, a pair low speed differential signal line and four other signal line, separate with at least one this earth lead between this high speed differential signal line of adjacent two couple, and be provided with at least one this power line or at least one these other signal line in the side contrary with at least one this earth lead.
nullIn one embodiment，Wherein these four pairs of high speed differential signal linear system one first high speed differential signal line、One second high speed differential signal line、One the 3rd high speed differential signal line、One the 4th high speed differential signal line、One the 5th high speed differential signal line、One the 6th high speed differential signal line、One the 7th high speed differential signal line and one the 8th high speed differential signal line，This pair low speed differential signal linear system one first low speed differential signal line and one second low speed differential signal line，These four other other signal line of signal linear system one first、One second other signal line、One the 3rd other signal line and one the 4th other signal line，This signal line layer sequential in the width direction has this first other signal line、This first high speed differential signal line、This second high speed differential signal line、This first earth lead、3rd high speed differential signal line、4th high speed differential signal line、This first power line、These second other signal line、This first low speed differential signal line、This second low speed differential signal line、3rd other signal line、This second source line、5th high speed differential signal line、6th high speed differential signal line、This second earth lead、7th high speed differential signal line、8th high speed differential signal line and the 4th other signal line.
This utility model separately provides a kind of connector assembly, including: foregoing soft printed circuit board (PCB)；And the adapter electrically connected with this flexible printed circuit board.
This utility model provides again a kind of connector assembly, a kind of electronic installation, including: one has the body of a mainboard and said connector assembly, and this connector assembly is installed in that this is internal, and is electrically connected with this mainboard.
This utility model has the advantages that
One, flexible printed circuit board has less stack layer, can transmit high speed differential signal, low
The multiple signals such as speed differential signal, other signal, ground connection signal and power signal, are respectively provided with good shield effectiveness between signal line and between stack layer and stack layer, to reduce electromagnetic interference simultaneously.
Two, by the first conductive isolation layer (or claim ground plane) being positioned at above signal line layer be positioned at
The common cladding signal line layer of the second conductive isolation layer (or claiming bus plane) below signal line layer, to suppress the electromagnetic interference between stack layer and stack layer.Furthermore, separate with earth lead between two pairs of high speed differential signal line adjacent in signal layer, and be provided with power line or at least one other signal line in the side contrary with earth lead, disturb each other between adjacent two couple high speed differential signal line to reduce.Additionally, every pair of high speed differential signal line of signal line layer or every pair of low speed differential signal line are all between power line, earth lead, other signal line or its combination, electromagnetic interference when high speed differential signal or the transmission of low speed differential signal also can be suppressed.
Accompanying drawing illustrates:
Accompanying drawing 1 is the axonometric chart of this utility model connector assembly；
Accompanying drawing 2 is the three-dimensional exploded view of this creation connector assembly；
Accompanying drawing 3 is the three-dimensional exploded view of this utility model flexible printed circuit board；
Accompanying drawing 4 is the three-dimensional exploded view of the high speed differential signal line of this utility model signal line layer, low speed differential signal line, other signal line, earth lead and power line；
Accompanying drawing 5 is the top view in each signal line of this utility model signal line layer and the first terminal portion；
Accompanying drawing 6 is the lower view of this utility model flexible printed circuit board；
Accompanying drawing 7 is the schematic diagram of each signal terminal in this utility model the first terminal portion and transmission signal；
Accompanying drawing 8 is the top view of this utility model flexible printed circuit board；
Accompanying drawing 9 is the schematic diagram of each signal terminal of this utility model the second portion of terminal and transmission signal；
Accompanying drawing 10 is the schematic diagram of each signal terminal of another kind of second portion of terminal of this utility model and transmission signal；
Accompanying drawing 11 is the schematic diagram in the ground connection signal loop of this utility model flexible printed circuit board；
Accompanying drawing 12 is the schematic diagram in the power signal loop of this utility model flexible printed circuit board；
Accompanying drawing 13 is the schematic diagram that this utility model connector assembly is electrically connected with electronic installation；
Accompanying drawing 14A figure is the top view of this utility model another kind flexible printed circuit board；
Accompanying drawing 14B figure is the lower view of this utility model another kind flexible printed circuit board:
Accompanying drawing 14C figure is the schematic diagram that this utility model another kind flexible printed circuit board and the first adapter and the second adapter are electrically connected.
Detailed description of the invention；
Referring to accompanying drawing 1,2,3, this utility model connector assembly includes flexible printed circuit board 10 and the first adapter 20, and the first adapter 20 is electrically connected with flexible printed circuit board 10 in the way of SMD or board plug type, in order to transmit electric signal.In one embodiment, the first adapter 20 is USBType-C adapter.Flexible printed circuit board 10 includes cable body 12, is positioned at second portion of terminal 16 of cable body 12 one end and is positioned at the first terminal portion 14 of cable body 12 other end.Cable body 12 has first surface 1201 and second surface 1202 rightabout with first surface 1201, and the first terminal portion 14 is revealed in the second surface 1202 of cable body 12, and the second portion of terminal 16 is revealed in the first surface 1201 of cable body 12.Thereby, first adapter 20 second portion of terminal 16 with the first surface 1201 being revealed in cable body 12 in the way of SMD or board plug type is electrically connected, the second surface 1202 being revealed in cable body 12 and the first terminal portion 14 being positioned at cable body 12 other end relative to the second portion of terminal 16 can further with electronic installation 40(accompanying drawings 13) be electrically connected.Cable body 12 includes signal line layer the 121, first conductive isolation layer 122 and the second conductive isolation layer 123, and signal line layer 121 is between the first conductive isolation layer 122 and the second conductive isolation layer 123.In other words, it is positioned at the first conductive isolation layer 122 above signal line layer 121 and is jointly coated with signal line layer 121 with the second conductive isolation layer 123 being positioned at below signal line layer 121, thereby suppress the electromagnetic interference between stack layer and stack layer.In one embodiment, the first conductive isolation layer 122 is for ground plane, and the second conductive isolation layer 123 is for bus plane, the electromagnetic interference such as Capacitance Coupled when contributing to reducing signal transmission, inductive.Signal line layer 121 includes high speed differential signal line 1211, low speed differential signal line 1212, other signal line 1213, earth lead 1214 and power line 1215, earth lead 1214 is formed with ground plane 122 and electrically conducts, and power line 1215 is formed with bus plane 123 and electrically conducts.Ground plane 122 includes the first via 124 and the first perforation 126, the position (referring to the 11st figure) of the earth lead 1214 of the position correspondence signal line layer 121 of the first via 124, because the first via 124 arranges along signal line, so earth lead 1214 can electrically conduct with ground plane 122 formation by the first via 124.Bus plane 123 includes the second via 125 and the second perforation 127, the position (referring to the 11st figure) of the power line 1215 of the position correspondence signal line layer 121 of the second via 125, because the second via 125 arranges along power line 1215, so power line 1215 can electrically conduct with bus plane 123 formation by the second via 125.In addition, the first perforation 126 being positioned at ground plane 122 arranges along the power line 1215 of signal line layer 121, and first perforation 126 be positioned at the second via 125 of bus plane 123 in man-to-man corresponding relation, while power line 1215 is electrically conducted by the second via 125 formation with bus plane 123, power line 1215 will not be formed with ground plane 122 and electrically conduct.The second perforation 127 being positioned at bus plane 123 arranges along the earth lead 1214 of signal line layer 121, and second perforation 127 be positioned at the first via 124 of ground plane 122 in man-to-man corresponding relation, while earth lead 1214 is electrically conducted by the first via 124 formation with ground plane 122, earth lead 1214 will not be formed with bus plane 123 and electrically conduct.Furthermore, one end of the high speed differential signal line 1211 of signal line layer 121, low speed differential signal line 1212, other signal line 1213, earth lead 1214 and power line 1215 is formed with the first terminal portion 14 being similarly positioned in signal line layer 121 and electrically conducts, for instance but one end system being not limited to high speed differential signal line 1211, low speed differential signal line 1212, other signal line 1213, earth lead 1214 and power line 1215 electrically conducts in the way of extending to form the first terminal portion 14 continuously.The other end of the high speed differential signal line 1211 of signal line layer 121, low speed differential signal line 1212, other signal line 1213, earth lead 1214 and power line 1215 is formed with the second portion of terminal 16 being positioned at ground plane 122 and electrically conducts, for instance but the other end system being not limited to the high speed differential signal line 1211 of signal line layer 121, low speed differential signal line 1212, other signal line 1213, earth lead 1214 and power line 1215 is formed with the second portion of terminal 16 in the way of terminal via 168 and electrically conducts.
In one embodiment, signal line layer 121 in cable body 12, ground plane 122 and bus plane 123 stacking order each other and storehouse number can be suitably changed in, for instance but it is not limited to from bottom to top sequentially storehouse ground plane 122, signal line layer 121 and bus plane 123；Or from bottom to top sequentially storehouse bus plane 123, ground plane 122, signal line layer 121 and ground plane 122；Or from bottom to top sequentially storehouse bus plane 123, signal line layer 121, bus plane 123 and ground plane 122.That is, be allowed in signal line layer 121, ground plane 122 and bus plane 123 repeatedly and repeatedly between increase signal line layer 121, ground plane 122 or bus plane 123 one of them or multiple combination, and substantially still concept by this creation is contained.In addition, also allow signal line layer 121, ground plane 122 and bus plane 123 one of them or multiple stack layer prolonging tissue regeneration promoting in the way of being divided into two, and substantially still contained by concept of the present utility model, for instance but it is not limited to from bottom to top sequentially storehouse bus plane 123, signal line layer 121, signal line layer 121 and ground plane 122.
In one embodiment, signal line layer the 121, first conductive isolation layer 122 and the second conductive isolation layer 123 also may be referred to collectively as rete.Wherein signal line layer 121 is the conductive layer of the signal transmitting flexible printed circuit board 10, and each signal line in signal line layer 121 can transmit signal that is identical or that differ, and signal line layer 121 is also referred to as line layer, and each signal line is also referred to as circuit.This creation art tool usually intellectual is it can be seen that rete also can include insulating barrier, and insulating barrier can be sandwiched between rete and rete using the purposes as insulation, also can be covered in outermost rete using the purposes as protection.Therefore, cable body 12 at least includes signal line layer the 121, first conductive isolation layer 122 and the second conductive isolation layer 123, and the insulating barrier that can suitably increase different purposes has the cable body 12 of relatively multiple film layer with formation.
Referring to accompanying drawing 4,5, in one embodiment, signal line layer 121 comprises four pairs of high speed differential signal line 1211, a pair low speed differential signal line 1213, two earth lead 1214 of 1212, four other signal line and two power lines 1215.Wherein, in one embodiment, except 1213, two earth leads 1214 of four other signal line and two power lines 1215, other earth leads more, earth lead or power line can be had additional according to demand.Four pairs of high speed differential signal line 1211 are by the first high speed differential signal line 1211a, the second high speed differential signal line 1211b, the 3rd high speed differential
Signal line 1211c, the 4th high speed differential signal line 1211d, the 5th high speed differential signal line 1211e, the 6th high speed differential signal line 1211f, the 7th high speed differential signal line 1211g and the 8th high speed differential signal line 1211h are constituted.A pair low speed differential signal line 1212 is made up of the first low speed differential signal line 1212a and the second low speed differential signal line 1212b.Four other signal line 1213 are made up of first other signal line 1213a, second other signal line 1213b, the 3rd other signal line 1213c and the 4th other signal line 1213d.Two earth leads 1214 are made up of the first earth lead 1214a and the second earth lead 1214b.Two power lines 1215 are made up of the first power line 1215a and second source line 1215b.nullTherefore，Signal line layer 121 sequential in the width direction has first other signal line 1213a、First high speed differential signal line 1211a、Second high speed differential signal line 1211b、First earth lead 1214a、3rd high speed differential signal line 1211c、4th high speed differential signal line 1211d、First power line 1215a、Second other signal line 1213b、First low speed differential signal line 1212a、Second low speed differential signal line 1212b、3rd other signal line 1213c、Second source line 1215b、5th high speed differential signal line 1211e、6th high speed differential signal line 1211f、Second earth lead 1214b、7th high speed differential signal line 1211g、8th high speed differential signal line 1211h and the 4th it he signal line 1213d.Therefore, the Rankine-Hugoniot relations between each signal line of signal layer is suppressed electromagnetic interference.Separate with earth lead 1214 by between two pairs of high speed differential signal line 1211 adjacent in signal line layer 121, and power line 1215 or at least one other signal line 1213 it is provided with in the side contrary with earth lead 1214, disturb each other between adjacent two couple high speed differential signal line 1211 to reduce.Furthermore, every pair of high speed differential signal line 1211 of signal line layer 121 or every pair of low speed differential signal line 1212, all between power line 1215, earth lead 1214, other signal line 1213 or its combination, also can suppress electromagnetic interference when high speed differential signal or the transmission of low speed differential signal.
Refer to accompanying drawing 5,6,7, in one embodiment, the first terminal portion 14 being revealed in the second surface 1202 of cable body 12 includes 141, two low speed differential signal terminals of eight high speed differential signal terminals, 142, four other signal terminals, 144, eight power supply terminals 145 of 143, six ground terminals and two undefined terminals 146.Eight high speed differential signal terminals 141 are be made up of the first high speed differential signal terminal 141a, the second high speed differential signal terminal 141b, the 3rd high speed differential signal terminal 141c, the 4th high speed differential signal terminal 141d, the 5th high speed differential signal terminal 141e, the 6th high speed differential signal terminal 141f, the 7th high speed differential signal terminal 141g and the 8th high speed differential signal terminal 141h.Two low speed differential signal terminals 142 are be made up of the first low speed differential signal terminal 142a and the second low speed differential signal terminal 142b.Four other signal terminals 143 are be made up of first other signal terminal 143a, second other signal terminal 143b, the 3rd other signal terminal 143c and the 4th other signal terminal 143d.Six ground terminals 144 are be made up of the first ground terminal 144a, the second ground terminal 144b, the 3rd ground terminal 144c, the 4th ground terminal 144d, the 5th ground terminal 144e and the 6th ground terminal 144f.Eight power supply terminals 145 are be made up of the first power supply terminal 145a, second source terminal 145b, the 3rd power supply terminal 145c, the 4th power supply terminal 145d, the 5th power supply terminal 145e, the 6th power supply terminal 145f, the 7th power supply terminal 145g and the 8th power supply terminal 145h.Two undefined terminals 146 are be made up of the first undefined terminal 146a and the second undefined terminal 146b.nullTherefore，As shown in Figure 7，When cable body 12 is arranged in below figure the first terminal portion 14，The first terminal portion 14 is in the width direction、Sequential has 30 butt from right to left，30 butt sequentially respectively the first undefined terminal 146a、First ground terminal 144a、Second ground terminal 144b、First power supply terminal 145a、Second source terminal 145b、First other signal terminal 143a、First high speed differential signal terminal 141a、Second high speed differential signal terminal 141b、3rd ground terminal 144c、3rd high speed differential signal terminal 141c、4th high speed differential signal terminal 141d、3rd power supply terminal 145c、4th power supply terminal 145d、Second other signal terminal 143b、First low speed differential signal terminal 142a、Second low speed differential signal terminal 142b、3rd other signal terminal 143c、5th power supply terminal 145e、6th power supply terminal 145f、5th high speed differential signal terminal 141e、6th high speed differential signal terminal 141f、4th ground terminal 144d、7th high speed differential signal terminal 141g、8th high speed differential signal terminal 141h、4th other signal terminal 143d、7th power supply terminal 145g、8th power supply terminal 145h、5th ground terminal 144e、6th ground terminal 144f and the second undefined terminal 146b.Furthermore, it is provided with that one end of the flexible printed circuit board 10 in the first terminal portion 14 is pluggable refers to accompanying drawing 13 to the second adapter 30() to be electrically connected, 30 butt making the first terminal portion 14 sequentially transmit (referring to accompanying drawing 7) undefined (that is visual demand selects signal kind), GND, GND, VBUS, VBUS, SBU2, RX1+, RX1-, GND, TX1+, TX1-, VBUS, VBUS, CC1, D1+, D1-, SBU1, VBUS, VBUS, RX2-, RX2+, GND, TX2-, TX2+, VCONN, VBUS, VBUS, GND, GND and undefined signal.
In one embodiment, the second adapter 30 is FPC connector.nullIn addition，The high speed differential signal line 1211 of the first terminal portion 14 and signal line layer 121、Low speed differential signal line 1212、Other signal line 1213、Earth lead 1214 and power line 1215 are formed and electrically conduct，Refer to the 5th figure，First other signal terminal 143a of first electrical connection the first terminal portion 14, other signal line 1213a one end，The first high speed differential signal terminal 141a of first electrical connection the first terminal portion 14, high speed differential signal line 1211a one end，The second high speed differential signal terminal 141b of second electrical connection the first terminal portion 14, high speed differential signal line 1211b one end，The 3rd ground terminal 144c of first electrical connection the first terminal portion 14, earth lead 1214a one end，The 3rd high speed differential signal terminal 141c of the 3rd electrical connection the first terminal portion 14, high speed differential signal line 1211c one end，The 4th high speed differential signal terminal 141d of the 4th electrical connection the first terminal portion 14, high speed differential signal line 1211d one end，The 3rd power supply terminal 145c and the 4th power supply terminal 145d of first electrical connection the first terminal portion 14, power line 1215a one end，Second other signal terminal 143b of second electrical connection the first terminal portion 14, other signal line 1213b one end，The first low speed differential signal terminal 142a of first electrical connection the first terminal portion 14, low speed differential signal line 1212a one end，The second low speed differential signal terminal 142b of second electrical connection the first terminal portion 14, low speed differential signal line 1212b one end，3rd other signal terminal 143c of the 3rd electrical connection the first terminal portion 14, other signal line 1213c one end，5th power supply terminal 145 and the 6th power supply terminal 145f in electrical connection the first terminal portion 14, second source line 1215b one end，The 5th high speed differential signal terminal 141e of the 5th electrical connection the first terminal portion 14, high speed differential signal line 1211e one end，The 6th high speed differential signal terminal 141f of the 6th electrical connection the first terminal portion 14, high speed differential signal line 1211f one end，The 4th ground terminal 144d of second electrical connection the first terminal portion 14, earth lead 1214b one end，The 7th high speed differential signal terminal 141g of the 7th electrical connection the first terminal portion 14, high speed differential signal line 1211g one end，The 8th high speed differential signal terminal 141h of the 8th electrical connection the first terminal portion 14, high speed differential signal line 1211h one end，4th other signal terminal 143d of the 4th electrical connection the first terminal portion 14, other signal line 1213d one end.
Accompanying drawings 5,8,9, in one embodiment, the second portion of terminal 16 being revealed in the first surface 1201 of cable body 12 includes eight high speed differential signal terminals, 162, four other signal terminals 163 of 161, four low speed differential signal terminals, four grounded terminal 164 and four power supply terminals 165.Eight high speed differential signal terminals 161 are be made up of the first high speed differential signal terminal 161a, the second high speed differential signal terminal 161b, the 3rd high speed differential signal terminal 161c, the 4th high speed differential signal terminal 161d, the 5th high speed differential signal terminal 161e, the 6th high speed differential signal terminal 161f, the 7th high speed differential signal terminal 161g and the 8th high speed differential signal terminal 161h.Four low speed differential signal terminals 162 are be made up of the first low speed differential signal terminal 162a, the second low speed differential signal terminal 162b, the 3rd low speed differential signal terminal 162c and the 4th low speed differential signal terminal 162d.Four other signal terminals 163 are be made up of first other signal terminal 163a, second other signal terminal 163b, the 3rd other signal terminal 163c and the 4th other signal terminal 163d.Four grounded terminal 164 is be made up of the first ground terminal 164a, the second ground terminal 164b, the 3rd ground terminal 164c and the 4th ground terminal 164d.Four power supply terminals 165 are be made up of the first power supply terminal 165a, second source terminal 165b, the 3rd power supply terminal 165c and the 4th power supply terminal 165d.nullTherefore，As shown in Figure 9，When above cable body 12 is arranged in figure the second portion of terminal 16，Second portion of terminal 16 includes first row signal terminal 166 and second row signal terminal 167，First row signal terminal 166 is in the width direction、Sequential has 12 butt from left to right，12 butt of first row signal terminal 166 sequentially respectively the first ground terminal 164a、First high speed differential signal terminal 161a、Second high speed differential signal terminal 161b、First power supply terminal 165a、First other signal terminal 163a、First low speed differential signal terminal 162a、Second low speed differential signal terminal 162b、Second other signal terminal 163b、Second source terminal 165b、3rd high speed differential signal terminal 161c、4th high speed differential signal terminal 161d and the second ground terminal 164b.Second row signal terminal 167 is in the width direction, sequential has 12 butt from right to left, 12 butt of second row signal terminal 167 sequentially respectively the 3rd ground terminal 164c, 5th high speed differential signal terminal 161e, 6th high speed differential signal terminal 161f, 3rd power supply terminal 165c, 3rd other signal terminal 163c, 3rd low speed differential signal terminal 162c, 4th low speed differential signal terminal 162d, 4th other signal terminal 163d, 4th power supply terminal 165d, 7th high speed differential signal terminal 161g, 8th high speed differential signal terminal 161h and the 4th ground terminal 164d.Furthermore, when the second portion of terminal 16 can be electrically connected with the first adapter 20, all it is electrically connected (referring to the 9th figure) with the second adapter 30 with SMD (SMT) such as but not limited to first row signal terminal 166 and second row signal terminal 167, or first row signal terminal 166 is with SMD and second row signal terminal 167 is electrically connected (referring to accompanying drawing 10) with board plug type and the second adapter 30.12 butt of first row signal terminal 166 sequentially transmit in the width direction, from left to right GND, TX1+, TX1-, VBUS, CC1, D1+, D1-, SBU1, VBUS, RX2-,
RX2+ and GND signal, and 12 butt of second row signal terminal 167 sequentially transmit in the width direction, from right to left GND, TX2+, TX2-, VBUS, VCONN, D2+, D2-, SBU2,
VBUS, RX1-, RX1+ and GND signal.
nullIn addition，The high speed differential signal line 1211 of the second portion of terminal 16 and signal line layer 121、Low speed differential signal line 1212、Other signal line 1213、Earth lead 1214 and power line 1215 are formed and electrically conduct，Refer to the 5th figure and the 8th figure，First other signal line 1213a electrically connects the 3rd other signal terminal 163c of the second portion of terminal 16，First high speed differential signal line 1211a electrically connects the 5th high speed differential signal terminal 161e of the second portion of terminal 16，Second high speed differential signal line 1211b electrically connects the 6th high speed differential signal terminal 161f of the second portion of terminal 16，First earth lead 1214a electrically connects the first ground terminal 164a of the second portion of terminal 16 simultaneously、Second ground terminal 164b、3rd ground terminal 164c and the 4th ground terminal 164d，3rd high speed differential signal line 1211c electrically connects the 4th high speed differential signal terminal 161d of the second portion of terminal 16，4th high speed differential signal line 1211d electrically connects the 3rd high speed differential signal terminal 161c of the second portion of terminal 16，First power line 1215a electrically connects the second source terminal 165b of the second portion of terminal 16，Second other signal line 1213b electrically connects second other signal terminal 163b of the second portion of terminal 16，First low speed differential signal line 1212a electrically connects the second low speed differential signal terminal 162b and the 4th low speed differential signal terminal 162d of the second portion of terminal 16 simultaneously，Second low speed differential signal line 1212b electrically connects the first low speed differential signal terminal 162a and the 3rd low speed differential signal terminal 162c of the second portion of terminal 16 simultaneously，3rd other signal line 1213c electrically connects first other signal terminal 163a of the second portion of terminal 16，Second source line 1215b electrically connects the first power supply terminal 165a of the second portion of terminal 16，5th high speed differential signal line 1211e electrically connects the second high speed differential signal terminal 161b of the second portion of terminal 16，6th high speed differential signal line 1211f electrically connects the first high speed differential signal terminal 161a of the second portion of terminal 16，Second earth lead 1214b electrically connects the first ground terminal 164a of the second portion of terminal 16 simultaneously、Second ground terminal 164b、3rd ground terminal 164c and the 4th ground terminal 164d，7th high speed differential signal line 1211g electrically connects the 7th high speed differential signal terminal 161g of the second portion of terminal 16，8th high speed differential signal line 1211h electrically connects the 8th high speed differential signal terminal 161h of the second portion of terminal 16，4th other signal line 1213d electrically connects the 4th other signal terminal 163d of the second portion of terminal 16.Thereby, first low speed differential signal terminal 162a and the three low speed differential signal terminal 162c of the second portion of terminal 16 is electrically connected in a series arrangement, second low speed differential signal terminal 162b and the four low speed differential signal terminal 162d of the second portion of terminal 16 is also electrically connected in a series arrangement, and then make the first to fourth low speed differential signal terminal 162a ~ 162d(of the second portion of terminal 16 that is two pairs of low speed differential signal terminals) again with the first low speed differential signal line 1212a and the second low speed differential signal line 1212b(of signal line layer 121 that is a pair low speed differential signal line) be electrically connected with parallel way, in order to reduce signal line quantity.
Refer to accompanying drawing 11, in order to the ground connection signal loop of this utility model flexible printed circuit board 10 to be described.Earth lead 1214 one end being positioned at signal line layer 121 is electrically connected the ground terminal 144 in the first terminal portion 14, the other end is electrically connected the ground terminal 164 of the second portion of terminal 16, and the earth lead 1214 of signal line layer 121 is by ground plane 122(or claims the first conductive isolation layer) the first via 124 and be electrically connected with ground plane 122 simultaneously.Thereby, the suppression of electromagnetic interference is able to solve by earth lead 1214 and the ground plane 122 of signal layer simultaneously, improves the quality of signal transmission.In one embodiment, the earth lead 1214 of signal line layer 121 is be made up of the first earth lead 1214a and the second earth lead 1214b, and the first earth lead 1214a and the second earth lead 1214b is electrically connected the first to fourth ground terminal 164a ~ 164d of ground plane 122, the first to the 6th ground terminal 144a ~ 144f in the first terminal portion 14 and the second portion of terminal 16 simultaneously.Therefore, the first to fourth ground terminal 164a ~ 164d of the second portion of terminal 16 is electrically connected with the first earth lead 1214a and the second earth lead 1214b of signal line layer 121 in parallel, and the first to fourth ground terminal 164a ~ 164d of the second portion of terminal 16 is also electrically connected with ground plane 122 in parallel simultaneously.In like manner, the first of the first terminal portion 14 is in parallel with the first earth lead 1214a of signal line layer 121 and the second earth lead 1214b to the 6th ground terminal 144a ~ 144f, also in parallel with ground plane 122.
Refer to accompanying drawing 11 and accompanying drawing 12, in order to the power signal loop of this utility model flexible printed circuit board 10 to be described.Power line 1215 one end being positioned at signal line layer 121 is electrically connected the power supply terminal 145 in the first terminal portion 14, the other end is electrically connected the power supply terminal 165 of the second portion of terminal 16, and the power line 1215 of signal line layer 121 is by bus plane 123(or claims the second conductive isolation layer) the second via 125 and be electrically connected with bus plane 123 simultaneously.Thereby, the suppression of electromagnetic interference (EMI) is able to solve by power line 1215 and the bus plane 123 of signal layer simultaneously, improves the quality of signal transmission.
Additionally, the bus plane 123 with bigger transmission area also can carry bigger power supply.In one embodiment, the power line 1215 of signal line layer 121 is be made up of the first power line 1215a and second source line 1215b, and the first power line 1215a and second source line 1215b is electrically connected the first to fourth power supply terminal 165a ~ 165d of bus plane 123, the first to the 8th power supply terminal 145a ~ 145h in the first terminal portion 14 and the second portion of terminal 16 simultaneously.Therefore, the first to fourth power supply terminal 165a ~ 165d of the second portion of terminal 16 is electrically connected with the first power line 1215a and second source line 1215b of signal line layer 121 in parallel, the first to fourth power supply terminal 165a ~ 165d of the second portion of terminal 16 is also electrically connected with bus plane 123 in parallel simultaneously, transmits power supply with the principle of shunting.In like manner, the first of the first terminal portion 14 is in parallel with the first power line 1215a of signal line layer 121 and second source line 1215b to the 8th power supply terminal 145a ~ 145h, also in parallel with bus plane 123, transmits power supply with the principle of shunting.
Refer to accompanying drawing 13, this utility model connector assembly can be electrically connected with electronic installation 40, electronic installation 40 includes the body 42 with mainboard 44, mainboard 44 is provided with the second adapter 30, connector assembly is installed in body 42, the first terminal portion 14 making flexible printed circuit board 10 is plugged in the second adapter 30, to be electrically connected.
Refer to accompanying drawing 14A figure, accompanying drawing 14B figure and accompanying drawing 14C figure, the configuration of this utility model cable body 12 can do different change designs, its difference is in that: cable body 12 includes kink 1203 and par 1204, kink 1203 two ends each extend over formation par 1204, and are electrically connected with the first terminal portion 14 and the second portion of terminal 16 respectively.Thereby, the second adapter 30 that the first terminal portion 14 may be used to electronic installation 40 is electrically connected, and the second portion of terminal 16 may be used to be electrically connected with the first adapter 20.
In sum, this creation has the advantages that
One, flexible printed circuit board 10 has less stack layer, the multiple signals such as high speed differential signal, low speed differential signal, other signal, ground connection signal and power signal can be transmitted, it is respectively provided with good shield effectiveness between signal line and between stack layer and stack layer, to reduce electromagnetic interference simultaneously.
Two, by the first conductive isolation layer 122(being positioned at above signal line layer 121 or claim ground plane) with the second conductive isolation layer 123(being positioned at below signal line layer 121 or claim bus plane) common cladding signal line layer 121, to suppress the electromagnetic interference between stack layer and stack layer.Furthermore, separate with earth lead 1214 between two pairs of high speed differential signal line 1211 adjacent in signal layer, and power line 1215 or at least one other signal line 1213 it is provided with in the side contrary with earth lead 1214, disturb each other between adjacent two couple high speed differential signal line 1211 to reduce.In addition, every pair of high speed differential signal line 1211 of signal line layer 121 or every pair of low speed differential signal line 1212, all between power line 1215, earth lead 1214, other signal line 1213 or its combination, also can suppress electromagnetic interference when high speed differential signal or the transmission of low speed differential signal.
Three, the first to fourth ground terminal 164a ~ 164d of the second portion of terminal 16 is electrically connected with the first earth lead 1214a and the second earth lead 1214b of signal line layer 121 in parallel, the first to fourth ground terminal 164a ~ 164d of the second portion of terminal 16 is also electrically connected with ground plane 122 in parallel simultaneously, the suppression making electromagnetic interference is able to solve by earth lead 1214 and the ground plane 122 of signal layer simultaneously, improves the quality of signal transmission.
Four, the first to fourth power supply terminal 165a ~ 165d of the second portion of terminal 16 is electrically connected with the first power line 1215a and second source line 1215b of signal line layer 121 in parallel, the first to fourth power supply terminal 165a ~ 165d of the second portion of terminal 16 is also electrically connected with bus plane 123 in parallel simultaneously, transmit power supply with the principle of shunting, carried bigger power supply.
Five, the first low speed differential signal terminal 162a and the three low speed differential signal terminal 162c of the second portion of terminal 16 is electrically connected in a series arrangement, second low speed differential signal terminal 162b and the four low speed differential signal terminal 162d of the second portion of terminal 16 is also electrically connected in a series arrangement, and then makes the first to fourth low speed differential signal terminal 162a ~ 162d(of the second portion of terminal 16 that is two pairs of low speed differences
Dynamic signal terminal) again with the first low speed differential signal line 1212a and the second low speed differential signal line 1212b(of signal line layer 121 that is a pair low speed differential signal line) be electrically connected with parallel way, in order to reduce signal line quantity.
Only, the above, it is only the detailed description of specific embodiment of one of this utility model the best with graphic, only the feature of this utility model is not limited thereto, and it is not used to restriction this utility model, all scopes of this utility model should be as the criterion with claim, the embodiment of all spirit changes similar to it closed in this utility model claim, all should be contained in the category of this utility model, any be familiar with this those skilled in the art in the field of this creation, can think easily and change or modify the scope of the claims that all can be encompassed in this case.
Symbol description；
10 flexible printed circuit board 12 cable bodies
1201 first surface 1202 second surfaces
1203 kink 1204 pars
121 signal line layer 1211 high speed differential signal line
1211a ~ 1211h first to the 8th high speed differential signal line
1212 low speed differential signal lines
1212a ~ 1212b the first to the second low speed differential signal line
1213 other signal line
Other signal line of 1213a ~ 1213d first to fourth
1214 earth lead 1214a ~ 1214b the first to the second earth lead
1215 power line 1215a ~ 1215b the first to second source line
122 first conductive isolation layer/ground plane 123, second conductive isolation layer/bus plane
124 first via 125 second vias
126 first perforation 127 second perforation
14 the first terminal portions
141 high speed differential signal terminal 142 low speed differential signal terminals
142a ~ 142b the first to the second low speed differential signal terminal
143 other signal terminals
Other signal terminal of 143a ~ 143d first to fourth
144 ground terminals
144a ~ 144f first to the 6th ground terminal 145 power supply terminal
145a ~ 145h first to the 8th undefined terminal of power supply terminal 146
The undefined terminal of 146a ~ 146b the first to the second
16 second portion of terminal 161 high speed differential signal terminals
161a ~ 161h first to the 8th high speed differential signal terminal
162 low speed differential signal terminals
162a ~ 162d first to fourth low speed differential signal terminal
163 other signal terminals
Other signal terminal of 163a ~ 163d first to fourth
164 ground terminal 164a ~ 164d first to fourth ground terminal
165 power supply terminal 165a ~ 165d first to fourth power supply terminal
166 first row signal terminal 167 second row signal terminals
168 terminal via 20 first adapters
30 second adapter 40 electronic installations
42 body 44 mainboards.
Claims (10)
- null1. a flexible printed circuit board，Including: cable body、It is positioned at the first terminal portion of this cable body one end and is positioned at the second portion of terminal of this cable body other end，It is characterized in that: this first terminal portion has one first ground terminal of sequential in the width direction、One second ground terminal、One first power supply terminal、One second source terminal、One first other signal terminal、One first high speed differential signal terminal、One second high speed differential signal terminal、One the 3rd ground terminal、One the 3rd high speed differential signal terminal、One the 4th high speed differential signal terminal、One the 3rd power supply terminal、One the 4th power supply terminal、One second other signal terminal、One first low speed differential signal terminal、One second low speed differential signal terminal、One the 3rd other signal terminal、One the 5th power supply terminal、One the 6th power supply terminal、One the 5th high speed differential signal terminal、One the 6th high speed differential signal terminal、One the 4th ground terminal、One the 7th high speed differential signal terminal、One the 8th high speed differential signal terminal、One the 4th other signal terminal、One the 7th power supply terminal、One the 8th power supply terminal、One the 5th ground terminal and one the 6th ground terminal.
- 2. flexible printed circuit board according to claim 1, it is characterized in that: wherein this cable body includes: bus plane, signal line layer and ground plane, this signal line layer is between this bus plane and this ground plane, this signal line layer includes power line and earth lead, this power line is formed with this bus plane and electrically conducts, and this earth lead is formed with this ground plane and electrically conducts.
- 3. flexible printed circuit board according to claim 2, it is characterized in that: wherein this ground connection linear system one first earth lead of this signal line layer and one second earth lead, this the first earth lead one end electrically connects the 3rd ground terminal in this first terminal portion, and this second earth lead one end electrically connects the 4th ground terminal in this first terminal portion.
- 4. flexible printed circuit board according to claim 3, it is characterized in that: wherein this power supply linear system one first power line of this signal line layer and a second source line, this the first power line one end electrically connects the 3rd power supply terminal and the 4th power supply terminal in this first terminal portion, and this second source line one end electrically connects the 5th power supply terminal and the 6th power supply terminal in this first terminal portion.
- 5. flexible printed circuit board according to claim 2, it is characterized in that: wherein this ground connection linear system one first earth lead of this signal line layer and one second earth lead, this first earth lead and this second earth lead are electrically connected this first to the 6th ground terminal in this ground plane and this first terminal portion simultaneously.
- 6. flexible printed circuit board according to claim 5, it is characterized in that: wherein this power supply linear system one first power line of this signal line layer and a second source line, this first power line and this second source line are electrically connected this first to the 8th power supply terminal in this bus plane and this first terminal portion simultaneously.
- 7. the flexible printed circuit board according to claim 4,6, it is characterized in that: wherein this signal line layer more comprises four pairs of high speed differential signal line, a pair low speed differential signal line and four other signal line, separate with at least one this earth lead between this high speed differential signal line of adjacent two couple, and be provided with at least one this power line or at least one these other signal line in the side contrary with at least one this earth lead.
- null8. flexible printed circuit board according to claim 7，It is characterized in that: wherein these four pairs of high speed differential signal linear system one first high speed differential signal line、One second high speed differential signal line、One the 3rd high speed differential signal line、One the 4th high speed differential signal line、One the 5th high speed differential signal line、One the 6th high speed differential signal line、One the 7th high speed differential signal line and one the 8th high speed differential signal line，This pair low speed differential signal linear system one first low speed differential signal line and one second low speed differential signal line，These four other other signal line of signal linear system one first、One second other signal line、One the 3rd other signal line and one the 4th other signal line，This signal line layer sequential in the width direction has this first other signal line、This first high speed differential signal line、This second high speed differential signal line、This first earth lead、3rd high speed differential signal line、4th high speed differential signal line、This first power line、These second other signal line、This first low speed differential signal line、This second low speed differential signal line、3rd other signal line、This second source line、5th high speed differential signal line、6th high speed differential signal line、This second earth lead、7th high speed differential signal line、8th high speed differential signal line and the 4th other signal line.
- 9. a connector assembly, it is characterised in that: including: the flexible printed circuit board described in any one of claim 1 to 8；And the adapter electrically connected with this flexible printed circuit board.
- 10. an electronic installation, including: one has the body of a mainboard and a connector assembly as claimed in claim 9, and this connector assembly is installed in that this is internal, and is electrically connected with this mainboard.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104132778A TWI592064B (en) | 2015-10-06 | 2015-10-06 | A flexible printed circuit board, a connector assembly and an electronic device |
| TW104132778 | 2015-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205385650U true CN205385650U (en) | 2016-07-13 |
Family
ID=56348379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620015089.3U Expired - Fee Related CN205385650U (en) | 2015-10-06 | 2016-01-08 | Flexible printed circuit board, connector assembly and electronic device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205385650U (en) |
| TW (1) | TWI592064B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110521288A (en) * | 2017-03-28 | 2019-11-29 | 三星电子株式会社 | The printed circuit board of ground connection including connector and with different potentials and electronic equipment with the printed circuit board |
-
2015
- 2015-10-06 TW TW104132778A patent/TWI592064B/en not_active IP Right Cessation
-
2016
- 2016-01-08 CN CN201620015089.3U patent/CN205385650U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110521288A (en) * | 2017-03-28 | 2019-11-29 | 三星电子株式会社 | The printed circuit board of ground connection including connector and with different potentials and electronic equipment with the printed circuit board |
| EP3578019A4 (en) * | 2017-03-28 | 2020-01-15 | Samsung Electronics Co., Ltd. | Pcb including connector and grounds with different potentials, and electronic device having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI592064B (en) | 2017-07-11 |
| TW201714497A (en) | 2017-04-16 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |