TWI665831B - Fpc connector and its combined architecture with fpc line - Google Patents

Abstract

A combined structure of an FPC connector and an FPC wire. The FPC connector arranges a plurality of terminals in the front and back rows to expand the space between two adjacent terminals when the width of the connector is limited and the number of terminals is fixed. Separation distance to reduce the degree of electromagnetic coupling interference between two adjacent terminals when transmitting signals, and an intermediate electrical shield body is added between the two rows of terminals to cooperate with the upper cover to provide multiple dimensions. The shielding environment of the space, thereby reducing the degree of electromagnetic coupling interference between the two rows of terminals when transmitting signals. In addition, the terminal to which the FPC connector of the present invention belongs can be divided into a signal conductive terminal and an electric shield terminal, and an electric shield is provided between the plurality of signal conductive terminals by the electric shield terminal to reduce multiple signals. The degree to which electromagnetic coupling interference occurs between conductive terminals when transmitting signals, so as to provide transmission of high-frequency signals.

Description

Combination structure of FPC connector and FPC wire

The invention relates to a combined structure of an FPC connector and an FPC wire, and in particular to a combined structure of an FPC connector and an FPC wire which can reduce the degree of electromagnetic coupling interference during signal transmission for high-frequency signal transmission.

Flexible Printed Circuit (FPC) has the characteristics of flexibility and three-dimensional space wiring. It can be used with FPC connectors to connect with circuit substrates. In recent years, it has been widely used in computers and peripheral equipment, Communication products and consumer electronics are used to transmit electrical signals. However, the signal transmission of the terminals of a conventionally designed FPC connector is often subject to electromagnetic coupling interference, which cannot meet the requirements of FPC high-speed signal transmission in recent years.

For example, based on the development trend of lightness, thinness, and shortness, in recent years, various electronic products have reduced the number of IO interfaces, making IO interfaces require high-speed transmission of signals, and the FPC connector with IO interfaces has poor electrical shielding effects. It will have a negative impact on the transmission effect of high-speed signals. Therefore, how to improve the above-mentioned defects and improve the electrical shielding effect of the FPC connector, so that the FPC connector can be used for high-speed signal transmission is really urgent for those skilled in the art. solved problem.

In view of the disadvantages of the foregoing prior art, the present invention provides a combined structure of an FPC connector and an FPC wire, including: an FPC connector, the FPC connector including: a first row of terminal groups, the first row of terminal groups having a plurality of The first signal conductive terminal and the plurality of first electrical shielding terminals, each of the first signal conductive terminals is used to transmit an electrical signal, and each of the first electrical shielding terminals is respectively located in two of the plurality of first signal conductive terminals. To provide an electrical shield between two of the plurality of first signal conductive terminals; a second row of terminal groups having a plurality of second signal conducting terminals and a plurality of first signal conducting terminals; Two electrical shield terminals, each of the second signal conductive terminals is used for transmitting electrical signals respectively, and each of the second electrical shield terminals is respectively located between two of the plurality of second signal conductive terminals so as to An electrical shield is provided between two of the second signal conductive terminals; an intermediate electrical shield body extending between the first row of terminal groups and the second row of terminal groups, With the first row of terminal groups and the second An electrical shield is provided between the terminal groups; an insulating base body, which is divided into three parts of the upper, middle and lower parts, is divided into a first insulating base body area and an intermediate insulating base body area which are not staggered with each other. And a second insulating base region, the first row of terminal groups is embedded in the first insulating base region, the second row of terminal groups is embedded in the second insulating base region, and the intermediate electrical shield body Embedded in the area of the intermediate insulating base body; and an upper cover electric shield body, the upper cover electric shield body is pivotally arranged on the insulating base body to form a frame structure, the front end of the frame structure has an insert Space, and the upper cover electrical shield body can provide an electrical cover to the insertion space; and an FPC wire, the FPC wire includes: an electrical connection end, the electrical connection end is on the upper, middle and lower Three parts are divided into a first wire front end region, a middle wire front end region and a second wire front end region which are not interlaced with each other; a first electrical circuit layer having a plurality of first A signal conductive line and a plurality of first electrical shielding lines; each of the first The sexual mask lines are respectively located between two of the plurality of first signal conductive lines to provide an electrical mask between the two first signal conductive lines; the plurality of first signal conductive lines Line with the multiple The contacts of an electric shield line are respectively arranged at the front end area of the first wire; a second electric circuit layer, the second electric circuit layer has a plurality of second signal conductive lines and a plurality of second electric shields Each of the second electrical shielding lines is located between two of the plurality of second signal conductive lines to provide an electrical shielding between the two of the plurality of second signal conductive lines; The contacts of the plurality of second signal conductive lines and the plurality of second electrical shielding lines are respectively arranged at the front end region of the second wire; a medium electrical shielding conductor layer, the medium electrical shielding conductor layer has A medium-electricity shielding conductor line, the contacts of the medium-electricity shielding conductor line are arranged in the front end region of the intermediate wire, and the medium-electricity shielding conductor layer is located on the first electric circuit layer and the second electric property. Between the circuit layers to provide an electrical shield between the first electrical circuit layer and the second electrical circuit layer; a first lower insulating layer, the first lower insulating layer on the first electrical circuit Layer and the medium-electricity shield conductor layer to provide insulation, and at the front end of the first wire The contacts of each of the first signal conductive lines are exposed to provide electrical connection with one of the plurality of first signal conductive terminals, and the first electrical shield lines are exposed at the front end area of the first wire. Contact to provide electrical connection to one of the plurality of first electrical shield terminals; a second upper insulating layer, the second upper insulating layer being in contact with the second electrical circuit layer and the Provide insulation between the conductor layers of the medium-electricity shield, and expose the contacts of the conductor wires of the medium-electricity shield at the front end region of the intermediate wire, so as to provide electrical connection with the intermediate-electricity shield body; and Two middle insulation layers, which provide insulation on the side of the second electrical circuit layer facing away from the medium electrical shield conductor layer, and expose the second signal conductive lines in the front end area of the second wire. Contacts to provide electrical connections to one of the plurality of second signal conductive terminals, respectively, and to expose the contacts of each second electrical shield line in the front end area of the second wire, to provide separate connections to the One of a plurality of second electrical shield terminals The electrical cover of the upper cover can be pivoted relative to the insulating base body, thereby exposing the insertion space to expose the electrical connection end of the FPC wire into and out of the insertion space; and The sexual shielding body can be pivoted relative to the insulating base body, And pressing down to join the intermediate electrical shielding body to force the first electrical circuit layer, the second electrical circuit layer and the medium electrical shielding conductor layer to follow the first row of terminal groups, the The second row of terminal groups and the intermediate electrical shielding body are electrically connected; wherein the FPC wire further includes: an electrically conductive shielding conductor layer, a first intermediate insulating layer, a lower electrical shielding conductor layer and a plurality of Vias, the electrically conductive shield conductor layer is located above the first electrical circuit layer and has an electrically conductive shield conductor line, and the first intermediate insulating layer is disposed between the electrically conductive shield conductor layer and the first An electrical circuit layer is provided with insulation. The lower electrical shielding conductor layer is located below the second electrical circuit layer and has a lower electrical shielding conductor line. The second middle insulating layer is under the electrical shielding. Insulation is provided between the conductor layer and the second electrical circuit layer, wherein the electrically-shielded conductor circuit, the medium-electricity shielded conductor circuit and each of the first electrical-shielded circuits form an upper shielding loop, The upper mask circuit is distributed around the first signal conductive lines to The electrical circuit provides an electrical shield; the electrically powered shielded conductor circuit, the medium electrical shielded conductor circuit, and each second electrical shielded circuit form a lower mask circuit, and the lower mask circuit is distributed in each The periphery of the two signal conductive lines to provide an electrical shield to each of the second signal conductive lines; each via hole penetrates the first middle, first lower, second upper, and second middle insulating layers to make the power The shield conductor circuit, the first electrical shield circuit, the medium electrical shield conductor circuit, the second electrical shield circuit, and the lower electrical shield conductor circuit are electrically connected to form the upper and lower portions. A mask circuit, in which the distance between adjacent two of a plurality of vias on each of the first and second electrical shield lines is determined by the frequency bands of the electrical signals conducted by the first and second signal conductive lines. Defined by the wavelength length.

The present invention further provides an FPC connector for electrically connecting an FPC wire, the FPC wire having a first electric circuit layer, a second electric circuit layer, and a medium electric shield conductor layer. The conductive conductor layer is located between the first electrical circuit layer and the second electrical circuit layer. The FPC connector includes: a first row of terminal groups; a second row of terminal groups; an intermediate electric shield Body, the middle electric cover A cover body extends between the first row of terminal groups and the second row of terminal groups to provide an electrical shield between the first row of terminal groups and the second row of terminal groups; an insulating base body, the insulation The base body is divided into three parts of upper, middle and lower parts, which are divided into a first insulating base body region, an intermediate insulating base body region and a second insulating base body region which are not intersected with each other. The first row of terminal groups is embedded. In the region of the first insulating base body, the second row of terminal groups is embedded in the region of the second insulating base body, and the intermediate electrical shield body is embedded in the intermediate insulating body area; and an overlying electrical shield is provided. The upper cover electric shield body is pivoted on the insulating base body to form a frame structure, the front end of the frame structure has an insertion space, wherein the upper cover electric shield body can be inserted into the space; Providing an electric shield; the upper electric shield body can be pivoted relative to the insulating base body, thereby exposing the insertion space to be exposed, so that the electrical connection end of the FPC wire can enter and exit the insertion space; and the upper cover The electric shielding body can be pivoted relative to the insulating base body, so as to be pressed down to engage the middle A flexible shielding body to force the first electrical circuit layer, the second electrical circuit layer, and the medium electrical shielding conductor layer to follow the first row of terminal groups, the second row of terminal groups, and the middle, respectively. The electrical shield is electrically connected.

Optionally, in the FPC connector of the present invention, the middle portion of the intermediate electrical shielding body has a middle protruding structure, and the middle protruding structure is located in the first row of terminal groups and the second row of terminal groups Between, for electrically connecting the middle part of the conductive layer of the middle electric shield.

Optionally, in the FPC connector of the present invention, a side edge portion of the intermediate electrical shield body has a protruding structure at one edge, and the protruding structure at the edge avoids the first row of terminal groups and the second The row terminal group is used to electrically connect the edge portions of the conductive layer of the medium electric shield.

Optionally, in the FPC connector of the present invention, the structure of the upper cover electric shield body for pivoting the insulating seat body has an upper dead point stop surface, a lower dead point stop surface and a guide arc. Surface, the guiding arc surface is used to guide the upper cover electrical shield body to pivot relative to the insulating base body until it is subjected to the upper death The stop of the point stop surface or the bottom dead center stop surface, so that the intersection angle between the top dead center stop surface and the bottom dead center stop surface is that the upper electric shield body can be opposed to the insulating base Pivot pivot angle.

Compared with the prior art, the combined structure of the FPC connector and the FPC wire of the present invention arranges a plurality of terminals to which the FPC connector belongs in two rows in front and back, so that when the width of the connector is limited and the number of terminals is fixed, Increase the separation distance between adjacent two terminals to reduce the degree of electromagnetic coupling interference between adjacent two terminals when transmitting signals. An intermediate electrical shield is also added between the two rows of terminals to cooperatively cover the electrical properties. The mask body provides a multi-dimensional masking environment to reduce the degree of electromagnetic coupling interference between two rows of terminals when transmitting signals.

In addition, the upper cover electric shield body also has a embossed structure to force the FPC wires to be electrically connected to the first row of terminal groups, the second row of terminal groups, and the intermediate electric shield body, and complete the Electrical connection. In addition, the terminal to which the FPC connector of the present invention belongs can be divided into a signal conductive terminal and an electric shield terminal. The electric shield terminal provides an electric shield between a plurality of signal conductive terminals to reduce multiple signal conduction. The degree of electromagnetic coupling interference between the terminals when transmitting signals, and even avoid the occurrence of crosstalk interference between adjacent signal conductive terminals when transmitting signals.

Combination structure of M‧‧‧FPC connector and FPC wire

1‧‧‧FPC connector

11‧‧‧The first row of terminal blocks

111‧‧‧The first signal conductive terminal

112‧‧‧First electrical shield terminal

12‧‧‧Second Row Terminal Block

121‧‧‧Second signal conductive terminal

122‧‧‧Second electrical shield terminal

13‧‧‧ intermediate electrical mask

131‧‧‧ middle raised structure

132‧‧‧End edge raised structure

14‧‧‧Insulated base

141‧‧‧ the first insulating seat area

142‧‧‧Second insulator base area

143‧‧‧Intermediate insulator base area

15‧‧‧ Upper cover electric shield

151‧‧‧embossed structure

152‧‧‧Top dead center stop surface

153‧‧‧ bottom dead center stop surface

154‧‧‧Guide arc

16‧‧‧ ground terminal

2‧‧‧FPC wire

21‧‧‧The first electrical circuit layer

211‧‧‧The first signal conductive line

2111‧‧‧Contact

212‧‧‧The first electrical shielding line

2121‧‧‧Contact

22‧‧‧Second electrical line layer

221‧‧‧Second signal conductive line

2211‧‧‧Contact

222‧‧‧Second electrical shielding line

2221‧‧‧Contact

23‧‧‧China electrical shielding conductor layer

231‧‧‧China electrical shield conductor line

2311‧‧‧Contact

24‧‧‧The first lower insulation layer

25‧‧‧Second upper insulating layer

26‧‧‧Second middle insulation layer

27‧‧‧ Electrical connection

271‧‧‧The first wire front area

272‧‧‧The second wire front area

273‧‧‧ Front end area of middle wire

281‧‧‧Power-on shield conductor layer

2811‧‧‧Power-on shielded conductor line

282‧‧‧First middle insulation layer

283‧‧‧ Power-off shield conductor layer

2831‧‧‧ Power-off shield conductor line

284‧‧‧via

3‧‧‧circuit board

F‧‧‧Frame Structure

FS‧‧‧Place in space

C11‧‧‧ Upper mask circuit

C12‧‧‧ bottom mask circuit

C21‧‧‧ Upper mask circuit

C22‧‧‧Bottom mask circuit

θ‧‧‧ intersection angle

FIG. 1 is a schematic diagram of a first embodiment of an FPC connector according to the present invention.

FIG. 2 is an exploded view of some components of the FPC connector shown in FIG. 1.

FIG. 3-1 is a plan view of some components of the first embodiment of the FPC connector of the present invention.

FIG. 3-2 is a plan view of some components of the second embodiment of the FPC connector according to the present invention.

FIG. 4 is a schematic diagram of some components of the FPC connector shown in FIG. 1.

FIG. 5 is a schematic diagram of FPC wires entering the FPC connector shown in FIG. 1.

FIG. 6 is a schematic diagram of an FPC connector in use according to the present invention.

FIG. 7 is a plan view of the FPC connector shown in FIG. 6 in use.

FIG. 8 is a cross-sectional view of the FPC connector shown in FIG. 7 taken along the AA line segment.

FIG. 8-1 is an enlarged view of an area indicated by a symbol B in the use state of the FPC connector shown in FIG. 8.

FIG. 9 is an exploded view of the FPC connector shown in FIG. 6 from a first perspective.

FIG. 10 is an exploded view of the FPC connector shown in FIG. 6 from a second perspective.

11-1 is a plan view of a part of a first embodiment of the FPC wire of the present invention.

Figure 11-1-1 is a cross-sectional view of the FPC wire shown in Figure 11-1 taken along the CC line segment

11-2 is a plan view of a part of a second embodiment of the FPC wire of the present invention.

FIG. 11-2-1 is a cross-sectional view of the FPC wire shown in FIG. 11-2 taken along the DD line segment.

Figure 11-2-2 is a schematic view of the through holes of the FPC wire shown in Figure 11-2.

Fig. 11-2-3 is a schematic view of the via holes of the FPC wire shown in Fig. 11-1.

FIG. 12 is a schematic diagram of a first use state of a second embodiment of the FPC connector of the present invention.

FIG. 13 is a schematic diagram of a second use state of the second embodiment of the FPC connector of the present invention.

FIG. 14 is an exploded view of some components of the FPC connector shown in FIG. 12.

FIG. 15 is a schematic diagram of some components of the FPC connector shown in FIG. 14.

FIG. 16 is a schematic diagram of some components of the FPC connector shown in FIG. 14.

FIG. 17 is a schematic diagram of a third use state of the second embodiment of the FPC connector of the present invention.

The following content will be accompanied by the drawings to explain the technical content of the present invention through specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The invention can also be implemented or applied by other different specific embodiments. Various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the spirit of the invention. In particular, the proportions and relative positions of the various elements in the drawings are only exemplary, and do not represent the actual status of the implementation of the present invention.

The present invention provides a combined structure of an FPC connector and an FPC wire. The FPC connector is arranged on a circuit substrate and electrically connects the FPC wire used to form a combined structure of the FPC connector and the FPC wire. Specifically, the FPC connector of the present invention is mainly designed with an electrical masking mechanism to form a masking loop in a multi-dimensional space, and to reduce the degree of electromagnetic coupling interference caused by the multiple terminals to which the signals belong, When the width of the connector is limited and the number of terminals is fixed, arrange the multiple terminals to two rows in front and back to increase the separation distance between adjacent two terminals to reduce the distance between adjacent two terminals when transmitting signals. The degree of electromagnetic coupling interference between the two. For the technical idea of the present invention, please refer to the disclosures in FIG. 1 to FIG. 17 in the accompanying drawings of the present invention, and the FPC is an abbreviation of Flexible Printed Circuit. .

As shown in FIG. 5 to FIG. 7, the combined structure M of the FPC connector and the FPC wire of the present invention includes an FPC connector 1 and an FPC wire 2. Among them, as shown in FIG. 1 and FIG. 2, the FPC connection provided by the present invention The connector 1 includes a first row of terminal groups 11, a second row of terminal groups 12, an intermediate electrical shield body 13, an insulating base body 14, an upper cover electrical shield body 15, and a pair of ground terminals 16. The pair of ground terminals 16 are used for soldering a circuit substrate to provide grounding. Optionally, as shown in FIG. 4, the pair of ground terminals 16 are respectively arranged on the left and right sides of the first row terminal group 11 and the second row terminal group 12. And is integrally formed with the middle electrical shielding body 13.

Regarding the structure of the first and second row terminal groups 11 and 12, as shown in FIG. 3-1, the first row terminal group 11 includes a plurality of first signal conductive terminals 111, and the second row terminal group 12 includes a plurality of The second signal conductive terminal 121, wherein each of the first and second signal conductive terminals 111 and 121 is used for transmitting an electric signal, respectively. However, it should not be limited to this. Optionally, as shown in FIG. 3-2, the first row of terminal groups 11 includes a plurality of first signal conductive terminals 111 and a plurality of first electrical shield terminals 112. Wherein, each of the first electrical shield terminals 112 is respectively located between two of the plurality of first signal conductive terminals 111 so as to be electrically groundable to provide electricality between the two of the plurality of first signal conductive terminals 111. Matte. Correspondingly, the second row of terminal groups 12 includes a plurality of second signal conductive terminals 121 and a plurality of second electrical shield terminals 122, and each of the second electrical shield terminals 122 is respectively located at the plurality of second signal conductive terminals 121. Between them, an electrical shield is provided between two of the plurality of second signal conductive terminals 121 so as to be groundable.

In addition, it should be noted that the FPC connector 1 of the present invention arranges a plurality of terminals to which it belongs in two rows in front and back, that is, it is divided into a first row terminal group 11 and a second row terminal group 12. When the number of terminals is limited and the number of terminals is fixed, the purpose of increasing the separation distance between adjacent two terminals is to reduce the degree of electromagnetic coupling interference between adjacent two terminals, and even avoid the adjacent two terminals from each other. Crosstalk occurs (also known as crosstalk).

The insulating base 14 is provided with a first insulating base region 141, an intermediate insulating base region 143, and a second insulating base region 142 which are not staggered with each other. In this regard, as shown in FIG. 3-1, the first First, the second insulating seat region 141 and 142 are separated from the intermediate insulating seat region 143 and have In Figure 3-1, the outline of the rectangular periphery is shown by dashed lines, and the length of the long sides of the middle insulating base region 143 is larger than the long sides of the first and second insulating base regions 141 and 142. Therefore, the middle insulating base The region 143 may separate the first and second insulating seat regions 141 and 142.

In an embodiment of the present invention, the first and second rows of terminal groups 11 and 12 are respectively embedded in the first and second insulating seat regions 141 and 142, and the intermediate electrical shielding body 13 is embedded in the intermediate insulating seat. The body region 143 is such that the intermediate electrical shielding body 13 can extend between the first and second rows of terminal groups 11 and 12 and can be grounded through the pair of ground terminals 16 to the first and second rows of terminals. Electrical shields are provided between the groups 11 and 12 to reduce the degree of electromagnetic coupling between the first and second row terminal groups 11 and 12 to interfere with signal transmission.

As shown in FIG. 8 to FIG. 8-1, the middle portion of the middle electrical shielding body 13 has a middle protruding structure 131, and the middle protruding structure 131 is located in the first row of terminal groups 11 and the second row Between the terminal groups 12, the contacts 2311 at the middle portion of the medium-electricity shielding conductor layer 23 of the FPC wire 2 are electrically connected. However, it is not limited to this. Optionally, in the embodiments shown in FIG. 15 to FIG. 17, the edge portions of the left and right ends of the intermediate electrical shielding body 13 are respectively provided with edge edge protruding structures 132 for The contacts 2311 at the end edges of the medium-electricity shield conductor layer 23 of the FPC wire 2 are electrically connected, wherein the end edge protruding structure 132 avoids the first row of terminal groups 11 and the second row of terminal groups 12 to avoid interference The electrical connections to the first and second row terminal groups 11 and 12 and the FPC wire 2.

Optionally, in the embodiments shown in FIGS. 3-1 and 3-2, the left and right sides of the intermediate electrical shielding body 13 respectively extend beyond the left and right sides of the first and second row terminal groups 11, 12 respectively. Side, that is, the projection of the middle electrical shield body 13 toward the first row of terminal groups 11 can completely cover the first row of terminal groups 11 and the projection of the middle electrical shield 13 towards the second row of terminal groups 12 can The second row of terminal groups 12 are completely covered, so that the intermediate electrical shielding body 13 can effectively separate the first and second rows of terminal groups 11 and 12, so that Electrical shielding is provided between the two rows of terminal groups 11 and 12 to avoid electromagnetic coupling interference between the first and second rows of terminal groups 11 and 12 when transmitting signals.

In the embodiments shown in FIG. 1 to FIG. 5, the upper cover electrical shield body 15 is pivoted on the insulating base body 14 and forms a frame structure F with the insulating base body 14. The front end of the frame structure F has an insertion space FS. . The electric cover 15 of the upper cover can be pivoted relative to the insulating base 14 so as to lift the exposed space FS, so that the electrical connection end 27 at the front end of the FPC wire 2 can enter and leave the space FS, or the electric cover of the upper cover After the body 15 is pivoted relative to the insulating seat body 14, the insulating seat body 14 can be pressed down to engage the insulating seat body 14 to force the FPC wire 2 into the electrical connection end 27 of the placement space FS, and the first and second row terminal groups 11 and 12 respectively It is electrically connected with the intermediate electrical shield 13 to complete the electrical connection between the FPC connector 1 and the FPC wire 2.

As shown in the embodiment shown in FIGS. 12 to 14, the structure in which the upper cover electrical shield 15 is used to pivot the insulating seat 14 has an upper dead point stop surface 152 and a lower dead point stop surface 153, and the insulating seat body. 14 The exposed upper ground terminal 16 can contact the upper and lower dead center stop surfaces 152 and 153 at the upper and lower dead center positions, respectively, and stop the pivot of the upper cover electrical shield 15 at the upper and lower dead center positions. Rotate to limit the pivoting angle of the upper cover electrically shielding body 15 relative to the insulating base 14. Furthermore, the structure of the upper cover electric shield body 15 for pivoting the insulating base body 14 has a guide arc surface 154 for guiding the upper cover electric shield body 15 to pivot relative to the insulating base body 14, Until it is stopped by the top and bottom dead center stop surfaces 152 and 153, so that the intersection angle of the top and bottom dead center stop surfaces 152 and 153 is the pivot of the upper cover electrical shield body 15 with respect to the insulating base 14 Pivot angle.

In an embodiment of the present invention, the upper cover electrical shield body 15 is made of a metal material, and the electrical connection terminal 27 of the FPC wire 2 entering the placement space FS can be provided with an electrical shield after grounding to reduce The degree to which the electrical connection 27 is subjected to electromagnetic coupling interference. At least one embossed structure 151 may be provided on the upper cover electrically shielding body 15. As shown in FIGS. 9 to 10, the embossed structure 151 extends along the long side of the upper cover electrically shielding body 15. So as to increase the structural strength of the electrical cover 15 of the upper cover, and as shown in FIG. 5, the embossed structure 151 protrudes from the insertion space FS of the frame structure F as a pressure structure to press the FPC wire 2 The electrical connection terminal 27 allows the electrical connection terminal 27 of the FPC wire 2 to be effectively electrically connected to the first and second rows of terminal groups 11 and 12 and the intermediate electrical shield 13 respectively.

As shown in the embodiments shown in FIGS. 11-1 and 11-1-1, the FPC wire 2 provided by the present invention includes a first electrical circuit layer 21, a second electrical circuit layer 22, and a medium-electricity shield. The conductor layer 23, the first lower insulating layer 24, the second upper insulating layer 25, the second middle insulating layer 26 and the electrical connection terminal 27. The electrical connection ends 27 are provided with first and second wire front end regions 271 and 272 and intermediate wire front end regions 273 that are not staggered (that is, spaced apart from each other). The first electrical circuit layer 21 has a plurality of first signal conductive lines 211, and each of the first signal conductive lines 211 is provided with a contact 2111 in a front end region 271 of the first wire. The second electrical circuit layer 22 has a plurality of second signal conductive lines 221, and each of the second signal conductive lines 221 is provided with a contact 2211 in the front end region 272 of the second wire. The medium-electricity shielding conductor layer 23 is located between the first and second electrical circuit layers 21 and 22, and provides an electrical shielding between the first and second electrical circuit layers 21 and 22 so as to be groundable. The medium-electricity shielding conductor layer 23 includes a medium-electricity shielding conductor line 231, and the medium-electricity shielding conductor line 231 is provided with a contact 2311 in the front end region 273 of the intermediate wire.

The first lower insulation layer 24 provides insulation between the first electrical circuit layer 21 and the medium-electricity shield conductor layer 23, and exposes the contacts 2111 of each first signal conductive line 211 to provide a connection with the first row of terminals, respectively. One of the plurality of first signal conductive terminals 111 of the group 11 is electrically connected. The second upper insulating layer 25 provides insulation between the second electrical circuit layer 22 and the medium-electricity shielding conductor layer 23, and exposes the contact point 2311 of the medium-electrical shielding conductor line 231 in the front end region 273 of the intermediate wire, so as to Provides electrical connection with the intermediate electrical shield 13. The second medium insulation layer 26 provides insulation on the side of the second electrical circuit layer 22 facing away from the medium electrical conductor layer 23, and exposes the contacts of the second signal conductive lines 221 in the front end region 272 of the second wire. 2211 to provide electrical connection to one of the plurality of second signal conductive terminals 121 of the second row terminal group 12 respectively.

Therefore, as shown in FIG. 11-1-1, the power-on shield conductor line 2811 and each of the first power-shield lines form an upper shield circuit C11. The upper shield circuit C11 surrounds each of the first signal conductive lines 211 to provide an electrical shield to each of the first signal conductive lines 211 to avoid electromagnetic coupling interference when the first signal conductive lines 211 transmit signals. The power-down shield conductor line 2831 and each of the second power-shield lines form a lower shield circuit C12. The lower mask circuit C12 surrounds each of the second signal conductive lines 221 to provide an electrical mask to each of the second signal conductive lines 221 to avoid electromagnetic coupling interference when the second signal conductive lines 221 transmit signals.

However, it is not limited to this. In the embodiment shown in FIGS. 11-2 to 11-2-3, the first electrical circuit layer 21 further includes a plurality of first electrical shielding circuits 212, each of which is The contact lines 2121 are respectively arranged on the front end region 271 of the first wire, and the first lower insulating layer 24 exposes the contacts 2121 of the first electrical mask lines 212 to provide the first row of terminal groups 11 respectively. One of the plurality of first electrical shield terminals 112 is electrically connected. In addition, each of the first electrical shielding lines 212 is respectively located between at least two of the plurality of first signal conductive lines 211 so as to be groundable to provide an electrical shield between the plurality of first signal conductive lines 211.

The second electrical circuit layer 22 also has a plurality of second electrical shielding circuits 222. Each of the second electrical shielding circuits 222 is provided with a contact 2221 at the front end region 272 of the second wire, and the second middle insulation layer 26 is exposed. The contacts 2221 of each of the second electrical shielding lines 222 provide electrical connection with one of the plurality of second electrical shielding terminals 122 of the second row terminal group 12 respectively. In addition, each of the second electrical shielding lines 222 is respectively located between at least two of the plurality of second signal conductive lines 221 so as to be groundable to provide an electrical shield between the plurality of second signal conductive lines 221.

Furthermore, the FPC wire 2 provided by the present invention further includes an electrically conductive shielding conductor layer 281, a first intermediate insulating layer 282, and a lower electrically conductive shielding conductor layer 283. The electrically conductive shielding conductor layer 281 is located above the first electrical circuit layer 21 and has an electrically conductive shielding conductor circuit 2811. The first intermediate insulating layer 282 provides insulation between the electrically conductive shield conductor layer 281 and the first electrical circuit layer 21. The power-down shielding conductor layer 283 is located below the second electrical line layer 22 and has a power-down shielding conductor line 2831. The second middle insulation layer 26 provides insulation between the lower electrical shield conductor layer 283 and the second electrical circuit layer 22.

Therefore, as shown in FIG. 11-2-1, the electrically-shielded conductor line 2811, the medium-electricity shielded conductor line 231, and each of the first electrical-shielded lines 212 constitute an upper shield circuit C21. The upper shield circuit C21 is distributed around the first signal conductive lines 211 to provide an electric shield to the first signal conductive lines 211 to avoid electromagnetic coupling interference when the first signal conductive lines 211 transmit signals. The power-down shield conductor line 2831, the medium-power shield conductor line 231, and each of the second electrical shield lines 222 constitute a lower shield circuit C22. The lower shielding circuit C22 is distributed around the second signal conductive lines 221 to provide an electrical shield to the second signal conductive lines 221 to avoid electromagnetic coupling interference when the second signal conductive lines 221 transmit signals.

More specifically, as shown in FIGS. 11-2-2 to 11-2-3, the FPC wire 2 provided by the present invention further includes a plurality of via holes 284, each via hole 284 penetrating the first middle insulation layer, respectively. 282. The first lower insulating layer 24, the second upper insulating layer 25, and the second middle insulating layer 26 enable the electrically-shielded conductor circuit 2811, the first electrically-shielded circuit 212, and the medium-electricity shielded conductor 231. The second electrical shielding line 222 and the downward electrical shielding conductor line 2831 are electrically connected to form upper and lower shielding circuits C21 and C22.

Optionally, a distance L between adjacent ones of the plurality of via holes 284 on each of the first and second electrical shield lines 212 and 222 is determined by each of the first and second signal conductive lines 211 and 221. Defined by the wavelength length of each frequency band of the conducted electrical signal, that is, each of the first and second electrical shield lines 212, 222 The pitch length L of two adjacent vias 284 on the top matches the wavelength length of each frequency band of the electrical signals conducted by the first and second signal conductive lines 211 and 221, and the first and second signal conductive lines 211 can be avoided. , 221 electromagnetic interference occurs between each other, and even the first and second signal conductive lines 211, 221 can avoid crosstalk interference (commonly known as crosstalk).

In summary, the present invention provides a combined structure of an FPC connector and an FPC wire that can be used for high-frequency signal transmission. The FPC connector arranges a plurality of terminals that belong to the front and back rows to limit the width of the connector. In the case of a fixed number of terminals, the separation distance between adjacent two terminals is enlarged to reduce the degree of electromagnetic coupling interference between adjacent two terminals when transmitting signals, and intermediate electrical properties are also added between the two rows of terminals. The shielding body provides a shielding environment by cooperating with the upper electrical shielding body, so as to effectively reduce the degree of electromagnetic coupling interference when the two rows of terminals transmit signals. In addition, the terminal to which the FPC connector of the present invention belongs can be divided into a signal conductive terminal and an electric shield terminal. The electric shield terminal provides an electric shield between a plurality of signal conductive terminals to effectively reduce multiple The degree of electromagnetic coupling interference between signal conductive terminals can provide high-frequency signal transmission.

The above-mentioned embodiments only exemplify the principles and effects of the present invention, and are not intended to limit the present invention. Anyone skilled in the art can modify and change the above embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the rights of the present invention should be as listed in the claims of the present invention.

Claims (5)

A combined structure of an FPC connector and an FPC wire includes: an FPC connector, the FPC connector comprising: a first row of terminal groups, the first row of terminal groups having a plurality of first signal conductive terminals and a plurality of first electrical terminals; Each of the first signal conductive terminals is used for transmitting an electric signal respectively, and each of the first electrical mask terminals is respectively located between two of the plurality of first signal conductive terminals so as to pass between the plurality of first signal conductive terminals An electrical shield is provided between the two signal conductive terminals; the second row of terminal groups has a plurality of second signal conductive terminals and a plurality of second electrical shield terminals, and each second signal The conductive terminals are used for transmitting electrical signals respectively, and the second electrical shield terminals are respectively located between two of the plurality of second signal conductive terminals so as to be between the two of the plurality of second signal conductive terminals. Provide an electrical shield; an intermediate electrical shield body extending between the first row of terminal groups and the second row of terminal groups to extend between the first row of terminal groups and the first row of terminal groups Electrical shielding is provided between two rows of terminal groups; one insulation base A first insulating base region, an intermediate insulating base region, and a second insulating base region are provided on the insulating base body, and the first row of terminal groups are embedded in the first insulating base body region. The second row of terminal groups is embedded in the area of the second insulating base body, the intermediate electrical shield body is embedded in the area of the intermediate insulation base body, and a cover electric cover body, the cover electric cover The body is pivotally arranged on the insulating base body to form a frame structure, the front end of the frame structure has an insertion space, and the upper cover electrical shielding body can provide an electrical cover to the insertion space; and an FPC Wire, the FPC wire includes: an electrical connection end, a first wire front end region, an intermediate wire front end region, and a second wire front end region are provided on the electric connection end, which are not staggered with each other; a first electric circuit Layer, the first electrical circuit layer has a plurality of first signal conductive lines and a plurality of first electrical shield lines; each of the first electrical shield lines is respectively located in two of the plurality of first signal conductive lines Between the plurality of first signals Electrical shielding is provided between two of the lines; the contacts of the plurality of first signal conductive lines and the plurality of first electrical shielding lines are respectively arranged at the front end region of the first wire; a second electrical A circuit layer, the second electrical circuit layer having a plurality of second signal conductive lines and a plurality of second electrical shield lines; each of the second electrical shield lines is respectively located in two of the plurality of second signal conductive lines To provide electrical shielding between two of the plurality of second signal conductive lines; the contacts of the plurality of second signal conductive lines and the plurality of second electrical shield lines are arranged separately At the front end region of the second wire; a medium electric shielding conductor layer, the medium electric shielding conductor layer has a medium electric shielding conductor line, and a contact point of the medium electric shielding conductor line is arranged in the middle In the front end region of the wire, the medium-electricity shielding conductor layer is located between the first electrical circuit layer and the second electrical circuit layer, so as to be between the first electrical circuit layer and the second electrical circuit layer. Providing an electrical mask; a first lower insulating layer, the first lower insulating layer An electrical circuit layer provides insulation between the medium electrical shielding conductor layer and the contacts of the first signal conductive lines are exposed at the front end area of the first wire to provide the first signal conductive terminals respectively. One of them is electrically connected, and a contact point of each first electrical shield line is exposed at a front end region of the first wire, so as to provide electrical connection with one of the plurality of first electrical shield terminals, respectively; A second upper insulating layer, which provides insulation between the second electrical circuit layer and the medium-electricity shield conductor layer, and exposes the medium-electricity shield conductor at the front end region of the intermediate wire. Contacts of the circuit to provide the electrical connection of the intermediate electrical shield body; and a second intermediate insulating layer, the second intermediate insulating layer facing away from the intermediate electrical shield conductor layer on the second electrical circuit layer One side is provided with insulation, and the contacts of each second signal conductive line are exposed at the front end area of the second wire to provide electrical connection with one of the plurality of second signal conductive terminals, respectively, and the second wire The front end area is exposed from each of the second electrical shielding lines. Point to provide electrical connection with one of the plurality of second electrical shield terminals respectively; wherein the upper cover electrical shield body can be pivoted relative to the insulating base body, thereby opening up the placement space exposed. , So that the electrical connection end of the FPC wire can enter and exit the placement space; and the upper cover electrical shield body can be pivoted relative to the insulating base body, so as to press down to engage the intermediate electrical shield body to force the The first electrical circuit layer, the second electrical circuit layer, and the medium-electricity shielding conductor layer are electrically connected to the first row of terminal groups, the second row of terminal groups, and the intermediate electric shielding body, respectively. ; Wherein the FPC wire further includes: an electrically conductive shield conductor layer, a first intermediate insulating layer, a lower electrically conductive shield conductor layer, and a plurality of vias, and the electrically conductive shield conductor layer is located at the first Above the electrical circuit layer, there is an electrically conductive shield conductor circuit. The first intermediate insulating layer provides insulation between the electrically conductive shield conductor layer and the first electrical circuit layer. The conductor layer is located below the second electrical circuit layer and has a lower electrical shielding conductor line. The second medium insulation layer provides insulation between the lower electrically-shielding conductor layer and the second electric circuit layer, wherein the electrically-shielding conductor circuit, the medium-electricity shield conductor circuit and each first The electric mask circuit forms an upper mask circuit, and the upper mask circuit is distributed around each first signal conductive line to provide an electric mask to each first signal conductive line; the down electric shield conductor line The medium electrical shielding conductor circuit and each second electrical shielding circuit form a lower shielding circuit, and the lower shielding circuit is distributed around each second signal conductive circuit to provide each second signal conductive circuit. Electrical shields; each via hole penetrates the first middle, first lower, second upper, and second middle insulating layers, respectively, so that the electrically conductive shield conductor circuit, the first electrical shield circuit, and The electrical shielding conductor circuit, the second electrical shielding circuit, and the power-down shielding conductor circuit are electrically connected to form the upper and lower shielding circuits, wherein each of the first and second electrical shieldings The length of the distance between two adjacent vias on the line is determined by The wavelength length of each frequency band of the electrical signal conducted by the first and second signal conductive lines is defined. An FPC connector is used to electrically connect an FPC wire. The FPC wire has a first electric circuit layer, a second electric circuit layer, and a medium electric shield conductor layer. The medium electric shield conductor. Layer is located between the first electrical circuit layer and the second electrical circuit layer, the FPC connector includes: a first row of terminal groups; a second row of terminal groups; an intermediate electrical shield body, the intermediate electrical A shield body extends between the first row of terminal groups and the second row of terminal groups to provide an electrical shield between the first row of terminal groups and the second row of terminal groups; an insulating base, the A first insulating base region, an intermediate insulating base region, and a second insulating base region are provided on the insulating base body, and the first row of terminal groups are embedded in the first insulating base body region. A second row of terminal groups is embedded in the second insulating base region, and the intermediate electrical shield body is embedded in the intermediate insulating base region; and an upper cover of the electrical shield body, the upper cover of the electrical shield body pivot It is arranged on the insulating base to form a frame structure, and the front end of the frame structure has an insertion space. Wherein, the upper cover electrical shielding body can provide an electrical cover to the insertion space; the upper cover electrical shielding body can be pivoted relative to the insulating base body, thereby exposing the insertion space to expose the FPC wire. The electrical connection end can enter and exit the insertion space; and the upper cover electrical shield body can be pivoted relative to the insulating base body, so as to press down to engage the middle electrical shield body to force the first electrical circuit Layer, the second electrical circuit layer, and the medium-electricity shielding conductor layer are electrically connected to the first row of terminal groups, the second row of terminal groups, and the intermediate electric shielding body, respectively. The FPC connector according to item 2 of the scope of patent application, wherein the middle portion of the middle electrical shield body has a middle protruding structure, and the middle protruding structure is located in the first row of terminal groups and the second row The terminal groups are used to electrically connect the middle part of the conductive layer of the middle electric shield. The FPC connector according to item 2 of the scope of patent application, wherein a side edge portion of the intermediate electrical shield body has a protruding structure at one edge, and the protruding structure at the edge avoids the first row of terminal groups and the The second row of terminal groups is used to electrically connect the edge portions of the conductive layer of the medium electrical shield. The FPC connector according to item 2 of the scope of patent application, wherein the structure of the upper cover electrical shield body for pivoting the insulating seat body has a top dead center stop surface, a bottom dead center stop surface and a A guide arc surface, which is used to guide the upper cover electrically pivoting body relative to the insulating base body until it is stopped by the top dead center stop surface or the bottom dead center stop surface, so that the upper The intersection angle between the dead-end stop surface and the bottom-dead stop surface is the pivot angle at which the upper cover electrical shield body can pivot relative to the insulating base.