CN207219151U - Flexible printed circuit board and electronic installation - Google Patents
Flexible printed circuit board and electronic installation Download PDFInfo
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- CN207219151U CN207219151U CN201721090671.7U CN201721090671U CN207219151U CN 207219151 U CN207219151 U CN 207219151U CN 201721090671 U CN201721090671 U CN 201721090671U CN 207219151 U CN207219151 U CN 207219151U
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- circuit board
- printed circuit
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Abstract
The utility model provides a kind of flexible printed circuit board, including at least one electric connecting terminal, the electric connecting terminal includes substrate and fits in multiple reinforcing blocks of the substrate side, the substrate is provided with multiple vias, each reinforcing block covers corresponding via, spacer region is formed between multiple reinforcing blocks, the first area of the substrate is right against the reinforcing block, the second area of the substrate is right against the spacer region, the rigidity of the stiffening plate is more than the rigidity of the substrate, so that the rigidity at the second area is less than the rigidity at the first area.The utility model additionally provides a kind of electronic installation.The utility model improves the bending property of the electric connecting terminal of flexible circuit board.
Description
Technical field
It the utility model is related to a kind of flexible printed circuit board, and in particular to a kind of flexible printed circuit board and with this is soft
The electronic installation of property printed circuit board (PCB).
Background technology
Flexible circuit board (Flexible Printed Circuit, FPC) can apply to a variety of flexible fields
Close.Wherein, the FPC of double-sided wiring can have the higher conductive demand walked line density, be allowed to adapt to complicated circuit, more next
More favored by industry.The FPC of double-sided wiring generally sets circuit on the two sides of insulating barrier, then opens up on the insulating layer
Hole, and metal is filled to electrically connect the circuit on two sides in via.However, after FPC carries out multiple alternating bending, may cause
Separated between metal and via inwall in via, so as to cause the circuit on FPC two sides not turn on, influence FPC performance.
Utility model content
The utility model provides a kind of flexible printed circuit board and the electronic installation with the flexible printed circuit board, carries
The high performance of the flexible circuit board of double-sided wiring.
The utility model provides a kind of flexible printed circuit board, including at least one electric connecting terminal, the electric connecting terminal
Including substrate and multiple reinforcing blocks of the substrate side are fitted in, the substrate is provided with multiple vias, each reinforcing block
The corresponding via of covering, forms spacer region between multiple reinforcing blocks, and the first area of the substrate is right against described
Reinforcing block, the second area of the substrate are right against the spacer region, and the rigidity of the stiffening plate is more than the rigidity of the substrate,
So that the rigidity at the second area is less than the rigidity at the first area.
Wherein, the substrate includes the first conductive layer, insulating barrier and the second conductive layer that are cascading, and described the
One conductive layer is provided close to the side of the reinforcing block, and the multiple via corresponds to firstth area on the insulating barrier
The position in domain, first conductive layer are electrically connected by the multiple via with second conductive layer.
Wherein, first conductive layer includes the first conductive bar for being arranged side by side, and first conductive bar is located at described the
One region, second conductive layer include the second conductive bar being arranged side by side, second conductive bar and first conductive bar
Electrically connected by the multiple via.
Wherein, at least two vias in parallel are provided between first conductive bar and second conductive bar.
Wherein, the second area is between two vias in parallel.
Wherein, the multiple via includes the first via and the second via, first via and second via point
Wei Yu not be on two adjacent first conductive bars, along the first conductive bar bearing of trend, the first via phase
Offset for second via.
Wherein, first conductive layer also includes the 3rd conductive bar being arranged side by side, and the 3rd conductive bar is located at described
Second area.
Wherein, in addition to conducting medium, the conducting medium are filled in the via, and fit in the hole of the via
Wall.
Wherein, the conducting medium is that silver paste or carbon are starched.
The utility model additionally provides a kind of electronic installation, including the flexible print circuit described in any of the above-described embodiment
Plate.
A kind of flexible printed circuit board provided by the utility model, the substrate of electric connecting terminal is divided into first area and second
Region, wherein, multiple reinforcing blocks are set on the first region, and the spacer region between second area and reinforcing block is relative, due to
The rigidity of reinforcing block is more than the rigidity of substrate, then the rigidity of the second area relative with the reinforcing block is not less than described first
The rigidity in region, the second area under external force towards a directions bend, can drive two adjacent reinforcing blocks towards this
Septal area is drawn close, so as to realize that the electric connecting terminal is bent towards a directions；Second area is bent towards b directions under external force, can be with
Two adjacent reinforcing blocks are driven away from the spacer region, so as to realize that the electric connecting terminal is bent towards b directions, and then to improve institute
State the bending performance of electric connecting terminal.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is the flexible printed circuit board structure schematic diagram that the utility model first embodiment provides.
Fig. 2 is that a kind of structure of the flexible printed circuit board of the utility model first embodiment offer under case of bending is shown
It is intended to.
Fig. 3 is structure of the flexible printed circuit board of the utility model first embodiment offer under another case of bending
Schematic diagram.
Fig. 4 is cross-sectional views of the Fig. 1 along AA`.
Fig. 5 is the partial top view for the flexible printed circuit board that the utility model first embodiment provides.
Fig. 6 is the partial top view for the flexible printed circuit board that the utility model second embodiment provides.
Fig. 7 is cross-sectional views of the Fig. 6 along BB`.
Fig. 8 is the partial top view for the flexible printed circuit board that the utility model 3rd embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is paid
The every other embodiment obtained, belong to the scope of the utility model protection.
In the description of the utility model embodiment, it is to be understood that term " top ", " upside ", " lower section ", " downside "
Orientation or position relationship Deng instruction are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this practicality newly
Type and simplifying describes, rather than implies or device or element that instruction is signified must have specific orientation, with specific orientation
Construction and operation, therefore it is not intended that to limitation of the present utility model.
Referring to Fig. 1, the utility model provides a kind of flexible printed circuit board 100, including at least one electric connecting terminal
110 and it is connected to the interlude 120 of the electric connecting terminal 110.There is the interlude 120 electronic circuit to realize electric connecting terminal
Electrically conducting between 110.
Refer to Fig. 1~Fig. 3, a kind of flexible printed circuit board 100 that the utility model first embodiment provides.The electricity
Connection end 110 includes substrate 111 and fits in multiple reinforcing blocks 112 of the side of substrate 111.Multiple reinforcing blocks 112
Between formed spacer region 113.The first area 114 of the substrate 111 is right against the reinforcing block 112, and the of the substrate 111
Two regions 115 are right against the spacer region 113.The rigidity of the reinforcing block 112 is more than the rigidity of the substrate 111, so that institute
State the rigidity that the rigidity at second area 115 is less than at the first area 114.
Fig. 1~Fig. 3 is referred to, the present embodiment divides the substrate 111 of electric connecting terminal 110 for the area of first area 114 and second
Domain 115, wherein, multiple reinforcing blocks 112 are set on first area 114, and between second area 115 and reinforcing block 112 between
Septal area 113 is relative, because the rigidity of reinforcing block 112 is more than the rigidity of substrate 111, then not relative with the reinforcing block 112
The rigidity of second area 115 is less than the rigidity of the first area 114, and the second area 115 is under external force towards a directions
Bending, can drive two adjacent reinforcing blocks 112 to be drawn close towards the spacer region 113, so as to realize the electric connecting terminal 110 towards a
Direction is bent；Second area 115 is bent towards b directions under external force, and two adjacent reinforcing blocks 112 can be driven remote
The spacer region 113, so as to realize that the electric connecting terminal 110 is bent towards b directions, and then improve the bending of the electric connecting terminal 110
Performance.I.e. by separately positioned reinforcing block 112, the local intensity of flexible printed circuit board 100 can be increased, and reduce for
The influence of overall bending performance.Certainly, each reinforcing block 112 can be the monoblock reinforced structure to link into an integrated entity, now reinforcement
Structure equally covers second area 115.
Referring to Fig. 4, the substrate 111 includes the first conductive layer 116, the insulating barrier 117 and second being cascading
Conductive layer 118, and first conductive layer 116 is provided close to the side of the reinforcing block 112.The insulating barrier 117 includes more
Individual via 119, multiple vias 119 are through the insulating barrier 117.Multiple vias 119 are located in the first area 114, institute
The first conductive layer 116 is stated to electrically connect with second conductive layer 118 by multiple vias 119.That is, each reinforcement
Block 112 is right against at least one multiple vias 119, to increase multiple vias 119 and first conductive layer 116, described second
Reliability of electrical connection between conductive layer 118.
The electric connecting terminal 110 also includes conducting medium 121, and the conducting medium 121 is filled in multiple vias 119,
And fit in the hole wall of multiple vias 119.The conducting medium 121 can be that silver paste or carbon are starched.Starched by using silver paste or carbon, can
To increase extension/tensile property of conducting medium 121, it is set to keep being attached in via 119 when substrate 111 is bent
Wall, and it is less prone to the situation of disengaging.
In the present embodiment, view field of the reinforcing block 112 on second conductive layer 118 covers multiple vias
119 view field on second conductive layer 118, so that not bent at via 119 or bending performance reduces, so as to anti-
Only separated between the conducting medium 121 in via 119 and the inwall of via 119, cause the via 119 of flexible printed circuit board 100
Place's open circuit.
The area of view field of the application for the reinforcing block 112 on second conductive layer 118, which is not done, to be had
The restriction of body.Preferably, the reinforcing block 112 is under conditions of meeting to cover multiple vias 119, the face of the reinforcing block 112
Product can be as far as possible small so that the electric connecting terminal 110 of flexible printed circuit board 100 it is not bent region it is as far as possible small, so as to improve
The bending property of the electric connecting terminal 110 of flexible printed circuit board 100.
In a kind of possible embodiment, refer to Fig. 4 and Fig. 5, first conductive layer 116 include being arranged side by side the
One conductive bar 122.Second conductive layer 118 includes multiple second conductive bars 123.First conductive bar 122 is right against institute
The second conductive bar 123 is stated to set.Multiple vias 119 be connected to first conductive bar 122 and second conductive bar 123 it
Between.The reinforcing block 112 is oppositely arranged with first conductive bar 122, and is right against multiple on first conductive bar 122
Via 119 is set.First conductive layer 116 also includes the 3rd conductive bar 124 being arranged side by side, and the 3rd conductive bar 124 is located at
Between first conductive bar 122, and it is consistent with the bearing of trend of first conductive bar 122.3rd conductive bar 124 is set
Without the via 119 between the second area 115, the 3rd conductive bar 124 and second conductive layer 118.This reality
Apply in mode, view field of the spacer region 113 on second conductive layer 118 covers the 3rd conductive bar 124 and existed
View field on second conductive layer 118.That is, reinforcing block 112, which is covered on the first conductive layer 116, has via
119 region, the region of via 119 is not provided with the first conductive layer 116 without being covered in, can so make it that rigidity is big
Region it is as far as possible small, so as to improve the bending property of the electric connecting terminal 110 of flexible printed circuit board 100.
In a kind of possible embodiment, it is the one of the offer of the utility model second embodiment to refer to Fig. 6 and Fig. 7, Fig. 6
Kind flexible printed circuit board 100.Fig. 7 is along BB` sectional view in Fig. 6.Unlike the first embodiment, described first
At least two via 119a and 119b being in parallel are provided between conductive bar 122 and second conductive bar 123.Namely
Say, the cabling path between the first conductive bar 122 and the second conductive bar 123 uses Redundancy Design, to ensure to described first to lead
There are at least two paths between electric bar 122 and second conductive bar 123, as long as there is wherein any one communication, the
It will be electrically conducted between one conductive bar 122 and second conductive bar 123, so as to improve Double-layer flexible printed circuit board (PCB) 100
Reliability.
In a kind of possible embodiment, reinforcing block 112, and described are also set at the via 119a and 119b being in parallel
Two regions 115 are located between any two via 119a and 119b in parallel, to increase the electrical connection of flexible printed circuit board 100
Local bending/the ductility in end 110.
In a kind of possible embodiment, referring to Fig. 8, Fig. 8 is a kind of soft of the utility model 3rd embodiment offer
Property printed circuit board (PCB) 100.Unlike the first embodiment, multiple vias 119 include the first via 119c and the second mistake
Hole 119d.The first via 119c and the second via 119d is located at two adjacent first conductive bars 122 respectively
On.Along along the bearing of trend of the first conductive bar 122, the first via 119c has relative to the second via 119d
Offset distance L.The offset distance L is more than or equal to (R1+R2)/2, and the R1 is the aperture of the first via 119c, described
R2 is the aperture of the second via 119d.Described in the first via 119c and the second via 119d difference faces two
Reinforcing block 112, and spacer region 113 is provided between the two reinforcing blocks 112, i.e. can mutually it be drawn close between two reinforcing blocks 112
It is or remote.For by the reinforcing block 112 of the first via 119c and the second via 119d alignment, the reinforcement of present embodiment
The mode that block 112 staggers can further improve the bending property of the electric connecting terminal 110 of flexible printed circuit board 100.
Optionally, the material of the insulating barrier 117 is dielectric resin material, such as polyimides or polyester.
Optionally, the material of the reinforcing block 112 can be stainless steel, it is aluminium foil, polyester, polyimides, glass fibre, poly-
Tetrafluoroethene or makrolon etc..
The utility model additionally provides a kind of electronic installation, including the flexible print circuit described in any of the above-described embodiment
Plate 100.Flexible circuit board 100 can apply to flexible touch screen, electronic installation can be using the flexible touch screen come
Manufacture smart mobile phone, notebook computer etc..In addition, electronic installation can also be organic photovoltaic spy battery, organic sensor, can wear
Wearing electronic, flexible memory, health care, intelligent article, intelligent yarn fabric etc..
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (10)
1. a kind of flexible printed circuit board, it is characterised in that including at least one electric connecting terminal, the electric connecting terminal includes substrate
And multiple reinforcing blocks of the substrate side are fitted in, the substrate is provided with multiple vias, and each reinforcing block covering is corresponding
Via, form spacer region between multiple reinforcing blocks, the first area of the substrate is right against the reinforcing block, the base
The second area at bottom is right against the spacer region, and the rigidity of the stiffening plate is more than the rigidity of the substrate, so that described second
Rigidity at region is less than the rigidity at the first area.
2. flexible printed circuit board as claimed in claim 1, it is characterised in that the substrate includes the to be cascading
One conductive layer, insulating barrier and the second conductive layer, and first conductive layer is provided close to the side of the reinforcing block, it is the multiple
Via corresponds to the position of the first area on the insulating barrier, first conductive layer by the multiple via with
The second conductive layer electrical connection.
3. flexible printed circuit board as claimed in claim 2, it is characterised in that first conductive layer includes what is be arranged side by side
First conductive bar, first conductive bar are located at the first area, and what second conductive layer included being arranged side by side second leads
Electric bar, second conductive bar are electrically connected with first conductive bar by the multiple via.
4. flexible printed circuit board as claimed in claim 3, it is characterised in that first conductive bar is conductive with described second
At least two vias in parallel are provided between bar.
5. flexible printed circuit board as claimed in claim 4, it is characterised in that the second area is located at two mistakes in parallel
Between hole.
6. flexible printed circuit board as claimed in claim 3, it is characterised in that the multiple via includes the first via and the
Two vias, first via and second via are respectively on two adjacent first conductive bars, along described
On first conductive bar bearing of trend, first via is offset relative to second via.
7. flexible printed circuit board as claimed in claim 3, it is characterised in that first conductive layer also includes being arranged side by side
The 3rd conductive bar, the 3rd conductive bar is located at the second area.
8. flexible printed circuit board as claimed in claim 1, it is characterised in that also including conducting medium, the conducting medium
It is filled in the via, and fits in the hole wall of the via.
9. flexible printed circuit board as claimed in claim 8, it is characterised in that the conducting medium is that silver paste or carbon are starched.
10. a kind of electronic installation, it is characterised in that including the flexible printed circuit board described in any one of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721090671.7U CN207219151U (en) | 2017-08-28 | 2017-08-28 | Flexible printed circuit board and electronic installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721090671.7U CN207219151U (en) | 2017-08-28 | 2017-08-28 | Flexible printed circuit board and electronic installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207219151U true CN207219151U (en) | 2018-04-10 |
Family
ID=61825437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721090671.7U Active CN207219151U (en) | 2017-08-28 | 2017-08-28 | Flexible printed circuit board and electronic installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207219151U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114308A1 (en) * | 2019-12-14 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Flexible circuit board and sound producing device |
| CN117222102A (en) * | 2023-11-07 | 2023-12-12 | 荣耀终端有限公司 | Flexible circuit board and electronic equipment |
-
2017
- 2017-08-28 CN CN201721090671.7U patent/CN207219151U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114308A1 (en) * | 2019-12-14 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Flexible circuit board and sound producing device |
| CN117222102A (en) * | 2023-11-07 | 2023-12-12 | 荣耀终端有限公司 | Flexible circuit board and electronic equipment |
| CN117222102B (en) * | 2023-11-07 | 2024-04-12 | 荣耀终端有限公司 | Flexible circuit board and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518115 43 Universiade Software Town, 8288 Longgang Avenue, Henggang Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Ruoyu Technology Co.,Ltd. Address before: 518115 43 Universiade Software Town, 8288 Longgang Avenue, Henggang Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ROYOLE TECHNOLOGIES Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |