CN211457497U - Flexible circuit board and electronic equipment - Google Patents
Flexible circuit board and electronic equipment Download PDFInfo
- Publication number
- CN211457497U CN211457497U CN201921915304.5U CN201921915304U CN211457497U CN 211457497 U CN211457497 U CN 211457497U CN 201921915304 U CN201921915304 U CN 201921915304U CN 211457497 U CN211457497 U CN 211457497U
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- signal
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- 239000000758 substrate Substances 0.000 claims abstract description 32
- 239000010410 layer Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- -1 Polyethylene terephthalate Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- Structure Of Printed Boards (AREA)
Abstract
The utility model discloses a flexible circuit board and electronic equipment, flexible circuit board includes: a substrate; a signal terminal group arranged on the substrate; the signal terminal group is provided with a first signal terminal and a second signal terminal which are arranged at one end of the substrate, and a third signal terminal and a fourth signal terminal which are arranged at the other end of the substrate; wherein, the connecting line of the first signal terminal and the third signal terminal and the connecting line of the second signal terminal and the fourth signal terminal form a cross; a signal wiring group arranged on the substrate; the signal wiring group is provided with a first signal wiring for connecting the first signal terminal and the fourth signal terminal and a second signal wiring for connecting the second signal terminal and the third signal terminal; the first signal routing is communicated with the first signal terminal and the fourth signal terminal through the connecting piece; or the second signal wire is communicated with the second signal terminal and the third signal terminal through the connecting piece, so that the first signal wire and the second signal wire are of a parallel structure, and the cost is saved.
Description
Technical Field
The utility model relates to a technical field of circuit board particularly, relates to a flexible circuit board and electronic equipment.
Background
FPC (Flexible Printed Circuit) is one of the important components of LCM, is the information link and bridge connecting the user's mainboard, and is formed by pressing soft plastic basement membrane (PI), copper foil (CU) and adhesive. The FPC can be divided into a single panel, a double-sided board, a layered board, a multi-layer layered board and a rigid-flex board, and the FPC with more than two layers of boards is connected with each layer through a via hole.
At present, because the order of the terminal of mainboard end does not arrange in order, consequently, the signal line between the terminal often appears the criss-cross condition when FPC walks the line, often solves the problem that the signal line is criss-cross through using two-sided FPC, but FPC single face and two-sided cost differ great, solve the problem that the signal line is criss-cross through using two-sided FPC, cause the cost extravagant easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's is not enough, provides a portable printer and electronic equipment, is linked together signal terminal of walking line and corresponding through a connecting piece with the signal to walk the line reason with the signal of crossing and be the parallel structure, realized accomplishing the design with single face FPC, save the cost.
To achieve the above object, in a first aspect, the present invention provides a flexible circuit board, including:
a substrate;
a signal terminal group arranged on the substrate; the signal terminal group is provided with a first signal terminal and a second signal terminal which are arranged at one end of the substrate, and a third signal terminal and a fourth signal terminal which are arranged at the other end of the substrate, wherein the third signal terminal corresponds to the first signal terminal and the fourth signal terminal corresponds to the second signal terminal; wherein a connecting line of the first signal terminal and the third signal terminal crosses a connecting line of the second signal terminal and the fourth signal terminal;
a signal wiring group arranged on the substrate; the signal wiring group is provided with a first signal wiring for connecting the first signal terminal and the fourth signal terminal, and a second signal wiring for connecting the second signal terminal and the third signal terminal;
the first signal routing is communicated with the first signal terminal and the fourth signal terminal through the connecting piece; or the second signal wire is communicated with the second signal terminal and the third signal terminal through the connecting piece, so that the first signal wire and the second signal wire are of a parallel structure.
Preferably, the connecting piece is a connecting resistor and is provided with a first bonding pad and a second bonding pad; a third bonding pad and a fourth bonding pad are arranged on the two sides of the first signal wire of the substrate, a first part of the first signal wire is connected with the first signal terminal and the third bonding pad, and a second part of the first signal wire is connected with the fourth signal terminal and the fourth bonding pad; the first bonding pad is connected with the third bonding pad, and the second bonding pad is connected with the fourth bonding pad.
Preferably, the connecting piece is a connecting resistor and is provided with a first bonding pad and a second bonding pad; a fifth pad and a sixth pad are arranged on the substrate on two sides of the second signal trace, a first portion of the second signal trace is connected with the second signal terminal and the fifth pad, and a second portion of the second signal trace is connected with the third signal terminal and the sixth pad; the first bonding pad is connected with the fifth bonding pad, and the second bonding pad is connected with the sixth bonding pad.
Preferably, the resistance value of the connection resistor is 0 ohm.
Preferably, the connection resistance is 0603, 0805 or 1206 resistance.
In a second aspect, the present invention further provides an electronic device, including the flexible circuit board according to the first aspect.
By adopting the technical scheme, the utility model discloses can gain following technological effect:
the signal routing is communicated with the signal terminals corresponding to the two sides of the signal routing through a connecting piece, the crossed signal routing can be straightened into a parallel structure, the problem of signal routing crossing is solved by replacing a double-sided FPC with a single-sided FPC, and the cost is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a first structure of a connector, a signal terminal group, and a signal wiring group of a flexible circuit board according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a signal terminal group and a signal wiring group of the flexible circuit board shown in fig. 1;
fig. 3 is a schematic diagram of a second structure of the connection component, the signal terminal group and the signal wiring group of the flexible circuit board according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a signal terminal group and a signal wiring group of the flexible circuit board shown in fig. 3;
icon: 100-a substrate; 1-a first signal terminal; 2-a second signal terminal; 3-a third signal terminal; 4-a fourth signal terminal; 5-a connector; 6-a first pad; 7-a second pad; 8-a third pad; 9-a fourth pad; 10-a fifth pad; 11-a sixth pad; a-a first signal trace; 1A-a first signal trace first portion; 2A-a first signal trace second portion; b-a second signal trace; 1B-a second signal trace first portion; 2B-a second signal trace second portion.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
With reference to fig. 1 to 4, a first embodiment of the present invention provides a flexible circuit board, which is a single-layer board, including:
a substrate 100;
a signal terminal set disposed on the substrate 100; the signal terminal group comprises a first signal terminal 1 and a second signal terminal 2 which are arranged at one end of a substrate 100, and a third signal terminal 3 corresponding to the first signal terminal 1 and a fourth signal terminal 4 corresponding to the second signal terminal 2 which are arranged at the other end of the substrate 100; wherein a line connecting the first signal terminal 1 and the fourth signal terminal 4 crosses a line connecting the second signal terminal 2 and the third signal terminal 3. In practical applications, the first signal terminal 1, the second signal terminal 2, the third signal terminal 3, and the fourth signal terminal 4 may be pads, and are all jumper pins.
A signal wiring group disposed on the substrate 100; the signal wiring group is provided with a first signal wiring A for connecting the first signal terminal 1 and the fourth signal terminal 4, and a second signal wiring B for connecting the second signal terminal 2 and the third signal terminal 3;
the first signal routing A is communicated with the first signal terminal 1 and the fourth signal terminal 4 through the connecting piece 5; or the second signal trace B is communicated with the second signal terminal 2 and the third signal terminal 3 through the connecting piece 5, so that the first signal trace a and the second signal trace B are in a parallel structure.
In one embodiment, the connecting member 5 is a connecting resistor and has a first pad 6 and a second pad 7; the substrate 100 is provided with a third pad 8 and a fourth pad 9 on two sides of the first signal trace, a first portion 1A of the first signal trace a is connected to the first signal terminal 1 and the third pad 8, and a second portion 2A of the first signal trace a is connected to the fourth signal terminal 4 and the fourth pad 9; the first pad 6 is connected to the third pad 8, and the second pad 7 is connected to the fourth pad 9.
In another embodiment, the connecting member 5 is a connecting resistor and has a first pad 6 and a second pad 7; a fifth pad 10 and a sixth pad 11 are disposed on the substrate 100 on two sides of the second signal trace B, a first portion 1B of the second signal trace B is connected to the second signal terminal 2 and the fifth pad 10, and a second portion 2B of the second signal trace B is connected to the third signal terminal 3 and the sixth pad 11; the first pad 6 is connected to the fifth pad 10, and the second pad 7 is connected to the sixth pad 11.
It is required to explain, in practical application, flexible circuit board is including a plurality of signal terminals with a plurality of signal walk under the signal cross line condition that the line constitutes, still be suitable for, here, the utility model discloses no longer describe repeatedly.
In this embodiment, the substrate layer 100 is an insulating layer, and the material of the substrate layer 100 may be Polyimide (Polyimide PI) or Polyethylene terephthalate (PET). Or the substrate layer 100 can also adopt an epoxy glass cloth laminated board (FR4) so as to provide an insulating environment when the copper foil layer is arranged on the substrate layer 100, so as to facilitate the etching of the copper foil layer. Preferably, the thickness of the substrate layer 100 may be 20 μm.
In this embodiment, the first signal trace a and the second signal trace B may be single-ended signal lines or differential signal lines, so that the flexible circuit board can meet different signal transmission requirements. When the signal needs to have stronger common mode interference resistance and needs to be transmitted in a longer distance, the first signal wiring line a and the second signal wiring line B can be selected as differential signal lines. And when the requirements on the signal transmission distance and the anti-interference capability are not high, the first signal wiring A and the second signal wiring B can be selected to be single-ended signal lines. Further, the first signal trace a and the second signal trace B are straight lines or serpentine lines, so that the first signal trace a and the second signal trace B can meet signal requirements of different time sequences. For example, when the first signal trace a and the second signal trace B need to adjust the delay, the first signal trace a and the second signal trace B may be selected as serpentine lines.
Wherein, it should be noted that the resistance value of connecting resistor is 0 ohm, connecting resistor is 0603, 0805 or 1206 resistor, through establishing ties a 0 ohm resistance, uses as the wire jumper, avoids the high frequency interference that causes with the jumper pin, should understand, connecting resistor also can be the 0 ohm resistance of other models, the utility model discloses do not specifically limit.
Of course, it should be noted that, in other embodiments of the present invention, the connecting element 5 may also be an electronic component with other resistance of 0 ohm or close to 0 ohm, and these schemes are all within the protection scope of the present invention, and the present invention is not limited specifically.
In conclusion, the signal wiring is communicated with the signal terminals corresponding to the two sides of the signal wiring through the connecting piece 5, the crossed signal wiring can be straightened into a parallel structure, the problem of signal wiring crossing is realized by replacing a double-sided FPC with a single-sided FPC, and the cost is saved.
The second embodiment of the present invention further provides an electronic device, which includes the flexible circuit board according to the above-mentioned embodiments.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A flexible circuit board, comprising:
a substrate;
a signal terminal group arranged on the substrate; the signal terminal group is provided with a first signal terminal and a second signal terminal which are arranged at one end of the substrate, and a third signal terminal and a fourth signal terminal which are arranged at the other end of the substrate, wherein the third signal terminal corresponds to the first signal terminal and the fourth signal terminal corresponds to the second signal terminal; wherein a connecting line of the first signal terminal and the third signal terminal crosses a connecting line of the second signal terminal and the fourth signal terminal;
a signal wiring group arranged on the substrate; the signal wiring group is provided with a first signal wiring for connecting the first signal terminal and the fourth signal terminal, and a second signal wiring for connecting the second signal terminal and the third signal terminal;
the first signal routing is communicated with the first signal terminal and the fourth signal terminal through the connecting piece; or the second signal wire is communicated with the second signal terminal and the third signal terminal through the connecting piece, so that the first signal wire and the second signal wire are of a parallel structure.
2. The flexible circuit board of claim 1, wherein the connector is a connecting resistor and has a first pad and a second pad; a third bonding pad and a fourth bonding pad are arranged on the two sides of the first signal wire of the substrate, a first part of the first signal wire is connected with the first signal terminal and the third bonding pad, and a second part of the first signal wire is connected with the fourth signal terminal and the fourth bonding pad; the first bonding pad is connected with the third bonding pad, and the second bonding pad is connected with the fourth bonding pad.
3. The flexible circuit board of claim 1, wherein the connector is a connecting resistor and has a first pad and a second pad; a fifth pad and a sixth pad are arranged on the substrate on two sides of the second signal trace, a first portion of the second signal trace is connected with the second signal terminal and the fifth pad, and a second portion of the second signal trace is connected with the third signal terminal and the sixth pad; the first bonding pad is connected with the fifth bonding pad, and the second bonding pad is connected with the sixth bonding pad.
4. The flexible circuit board according to claim 2 or 3, wherein the connection resistor has a resistance value of 0 ohm.
5. The flexible circuit board of claim 2 or 3, wherein the connection resistor is a 0603, 0805 or 1206 resistor.
6. An electronic device characterized by comprising the flexible circuit board according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921915304.5U CN211457497U (en) | 2019-11-07 | 2019-11-07 | Flexible circuit board and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921915304.5U CN211457497U (en) | 2019-11-07 | 2019-11-07 | Flexible circuit board and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211457497U true CN211457497U (en) | 2020-09-08 |
Family
ID=72297410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921915304.5U Active CN211457497U (en) | 2019-11-07 | 2019-11-07 | Flexible circuit board and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211457497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114498222A (en) * | 2020-10-26 | 2022-05-13 | Oppo广东移动通信有限公司 | Connecting device and electronic equipment |
-
2019
- 2019-11-07 CN CN201921915304.5U patent/CN211457497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114498222A (en) * | 2020-10-26 | 2022-05-13 | Oppo广东移动通信有限公司 | Connecting device and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200916 Address after: 361000, Fujian Province, Huli District, Xiamen Province Torch hi tech Zone Pioneer Park building 305A Patentee after: XIAMEN HANIN ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 361000 zone a, Huaxun building, software park, torch high tech Zone, Xiamen City, Fujian Province 103 Patentee before: XIAMEN PRT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 361000 room 305A, Aung Yip house, Pioneer Park, torch high tech Zone, Xiamen, Fujian Patentee after: Xiamen Hanyin Co.,Ltd. Country or region after: China Address before: 361000 room 305A, Aung Yip house, Pioneer Park, torch high tech Zone, Xiamen, Fujian Patentee before: XIAMEN HANIN ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |