CN206061274U - Flexible print circuit board and electronic device - Google Patents
Flexible print circuit board and electronic device Download PDFInfo
- Publication number
- CN206061274U CN206061274U CN201620802377.3U CN201620802377U CN206061274U CN 206061274 U CN206061274 U CN 206061274U CN 201620802377 U CN201620802377 U CN 201620802377U CN 206061274 U CN206061274 U CN 206061274U
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- China
- Prior art keywords
- circuit board
- print circuit
- flexible print
- connection end
- protective layer
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Abstract
This utility model embodiment discloses a kind of flexible print circuit board and electronic device, and the flexible print circuit board includes flexible print circuit board main body and is arranged at the protective layer of the flexible print circuit board body surfaces；The protective layer includes network, and in the mesh of the network, arbitrary interior angle is obtuse angle.This utility model embodiment is by arranging the protective layer comprising network; and arbitrary interior angle is obtuse angle in the mesh of the network; the protective layer for solving existing flexible print circuit board is quadrilateral mesh structure; in bending; the each mesh of quadrilateral mesh structure is because of stretching; easily there is the region that interior angle is acute angle; these interior angles for acute angle region often stress concentrate and tear; the problem for further causing flexible print circuit board to damage, realizes the effect of the probability for reducing the flexible print circuit board damage that stress is concentrated and caused.
Description
Technical field
This utility model embodiment is related to flexible print circuit board manufacturing technology, more particularly to a kind of flexible print circuit board
And electronic device.
Background technology
With the development of science and technology, people grow with each passing day to the dependency of electronic product.In order to adapt to electronic product high speed, height
Performance and frivolous development trend, the flexible print circuit board with flexural property (Flexible Printed Circuit,
FPC) it is widely used in various electronic equipments, such as in computer, mobile phone, digital camera, printer and saloon
Information enquiry machine etc..
In actual use, for the connection for preventing flexible print circuit board from causing which internal because bending angle is excessive
Wire fracture, existing flexible print circuit board often arrange protective layer in the region of its needs bending, and the protective layer is four sides
Shape network.In bending, in quadrilateral mesh structure, each mesh can go out the flexible print circuit board of this structure because of stretching
Region of the existing interior angle for acute angle.The easy stress in these acute angular areas is concentrated and is torn, and then causes flexible print circuit board to damage
It is bad.
Utility model content
This utility model provides a kind of flexible print circuit board and electronic device, is caused with reducing stress to concentrate
The purpose of the probability that flexible print circuit board is damaged.
In a first aspect, this utility model embodiment provides a kind of flexible print circuit board, the flexible print circuit board, bag
Include flexible print circuit board main body and be arranged at the protective layer of the flexible print circuit board body surfaces；
The protective layer includes network, and in the mesh of the network, arbitrary interior angle is obtuse angle.
Second aspect, this utility model embodiment additionally provide a kind of electronic device, and the electronic device is new comprising this practicality
Any one flexible print circuit board that type embodiment is provided.
This utility model embodiment is by arranging the protective layer comprising network and arbitrary in the mesh of the network
Interior angle is obtuse angle, and the protective layer for solving existing flexible print circuit board is quadrilateral mesh structure, in bending, four side
Easily there is the region that interior angle is acute angle, region often stress of these interior angles for acute angle because of stretching in each mesh of shape network
Concentrate and tear, and then cause the problem of flexible print circuit board damage, realize the flexibility for reducing that stress is concentrated and caused
The effect of the probability that printed substrate is damaged.
Description of the drawings
A kind of structural representation of flexible print circuit board that Fig. 1 a are provided for this utility model embodiment；
Fig. 1 b are the cross-sectional view of the A1-A2 along Fig. 1 a；
The structural representation of another kind of flexible print circuit board that Fig. 2 is provided for this utility model embodiment；
The structural representation of another flexible print circuit board that Fig. 3 is provided for this utility model embodiment；
The structural representation of another flexible print circuit board that Fig. 4 a are provided for this utility model embodiment；
Fig. 4 b are the cross-sectional view of the B1-B2 along Fig. 4 a；
A kind of structural representation of electronic device that Fig. 5 is provided for this utility model embodiment；
The structural representation of another kind of electronic device that Fig. 6 is provided for this utility model embodiment；
The structural representation of another electronic device that Fig. 7 is provided for this utility model embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explanation this utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, in accompanying drawing, illustrate only the part related to this utility model rather than entire infrastructure.
This utility model embodiment provides a kind of flexible print circuit board, and the flexible print circuit board includes flexible printing
Wiring board main body and it is arranged at the protective layer of the flexible print circuit board body surfaces；Protective layer includes network, grid
In the mesh of structure, arbitrary interior angle is obtuse angle.
It should be noted that arbitrary interior angle is referred to for obtuse angle in the mesh of network, each mesh of the network
Each interior angle is all higher than 90 ° and less than or equal to 180 °.So, when specifically used, in each of each mesh of the network
Angle will not form acute angle under a stretching force, also avoid the generation of the bad phenomenon such as stress concentration.Further, should
Mesh can be n-shaped, and wherein N is the positive integer more than or equal to 5.Typically, the mesh of the network is positive six side
Shape.
This utility model embodiment is by arranging the protective layer comprising network, and the net on flexible print circuit board
In the mesh of lattice structure, arbitrary interior angle is obtuse angle, and the protective layer for solving existing flexible print circuit board is tied for quadrilateral mesh
Structure, in bending, easily there is the region that interior angle is acute angle because of stretching in each mesh of quadrilateral mesh structure, and these interior angles are sharp
The region at angle often stress concentrate and tear, and then cause flexible print circuit board damage problem, realize reduce in response to
The effect of the probability that the flexible print circuit board that power is concentrated and caused is damaged.
A kind of structural representation of flexible print circuit board that Fig. 1 a are provided for this utility model embodiment, Fig. 1 b are along figure
The cross-sectional view of A1-A2 in 1a.Referring to Fig. 1 a and Fig. 1 b, the flexible print circuit board includes flexible print circuit board master
Body 10 and it is arranged at the protective layer 20 on 10 surface of flexible print circuit board main body；Protective layer 20 includes network 201, the net
The mesh 22 that lattice structure 201 includes grid frame 21 and surrounded by the grid frame 21, the mesh 22 are regular hexagon.The net
Lattice structure 201 is honeycomb-like network structure.Jing is studied, and compared with other structures, honeycomb-like network structure, buckle resistance are more preferable,
And which is unlikely to deform, not easy to crack and fracture.It should be noted that in concrete setting, protective layer regional area can be set
It is set to network, it is also possible to as shown in Figure 1a, 20 Zone Full of protective layer is set to into network 201.
It should be noted that in Figure 1b, protective layer 20 is arranged at into flexible print circuit board main body 10 exemplarily only
On first surface 11, this is only a specific example of the present invention.In actual design, protective layer 20 can also be arranged at
On 10 second surface 12 of flexible print circuit board main body, protective layer 20 can also be arranged at flexible print circuit board main body simultaneously
On 10 first surface 11 and second surface 12.
In actual use, it usually needs specific one or multiple regions on flexible print circuit board are carried out curved
Folding, these specifically need the region for being bent to be bent area.In view of in whole flexible print circuit board, these are curved
Most easily there is the phenomenon that its internal connecting wire fracture is caused because bending angle is excessive in folding area.It is this bad existing in order to be prevented effectively from
The generation of elephant, as shown in Fig. 2 protective layer 20 can be arranged in the bent area 13 on 10 surface of flexible print circuit board main body.
Further, as shown in figure 3, protective layer 20 can also be arranged in 13 neighboring area of bent area 13 and bent area.
The structural representation of another flexible print circuit board that Fig. 4 a are provided for this utility model embodiment, Fig. 4 b are edge
The cross-sectional view of B1-B2 in Fig. 4 a.When in use, due to needing the connection end to flexible print circuit board to insert
Pull out, so which is connected or disconnected with other electronic equipment parts, the probability for bending occurs near connection end in this process
Larger, i.e., the bent area of the flexible print circuit board is located at the position of connection end.Referring specifically to Fig. 4 a and Fig. 4 b.With figure
1a is compared, and the flexible print circuit board provided in Fig. 4 a and Fig. 4 b also includes connection end.Specifically, referring to Fig. 4 a and Fig. 4 b, should
Flexible print circuit board includes at least one connection end 14 (exemplarily only including a connection end 14 in fig .4).The connection
End 14 is located at least one end of flexible print circuit board main body 10；Bent area 13 is located at the position of connection end 14.
Continuing with referring to Fig. 4 a and Fig. 4 b, the flexible print circuit board main body 10 also includes base material 15 and connecting wire layer
16；Connecting wire layer 16 is bonded on base material 15, and protective layer 20 is bonded on connecting wire layer 16.It should be noted that here
Protective layer 20 is bonded on connecting wire layer 16 and specifically refers to, and protective layer 20 is directly bonded on connecting wire layer 16, Huo Zhebao
It is separated by other materials to be bonded together between sheath 20 and connecting wire layer 16 indirectly.
In specific design, protective layer 20 can be metal or other materials, such as Copper Foil etc..If protective layer is with leading
The material (such as metal) of electrical property, the protective layer 20 are electrically insulated from each other with connecting wire layer 16.
Referring to Fig. 4 a and Fig. 4 b, the flexible print circuit board can also include at least one golden finger 111；Golden finger 111
It is arranged on 14 surface of connection end, and golden finger 111 electrically connects (such as Fig. 4 b) with the connecting wire in connecting wire layer 16.The guarantor
Sheath 20 can not be covered on golden finger 111.
It should be noted that in fig. 4b, exemplarily give a kind of structure of lamina flexible print circuit board and show
It is intended to, this is only a specific example of the present utility model, rather than to restriction of the present utility model, in specific design, this is soft
Property printed substrate can also be doubling plate, dual platen or multi-layer sheet.
A kind of electronic device of what this utility model was also provided, the electronic device include this utility model above-mentioned technical proposal
Any one flexible print circuit board of middle offer.The electronic device is specifically as follows liquid crystal indicator or organic light-emitting diodes
Tube display device or other devices.
If the electronic device is liquid crystal indicator, as shown in figure 5, the electronic device includes liquid crystal display module 31, with
The opposed backlight module 32 of liquid crystal display module 31, and mainboard 33；Flexible print circuit board 40 includes the first connection end and
In two connection ends, wherein flexible print circuit board 40, the first connection end is electrically connected with mainboard 33, in flexible print circuit board 40
Two connection ends are electrically connected with the driving chip 311 in liquid crystal display module 31.Or, as described in Figure 6, flexible print circuit board
In 40, the first connection end is electrically connected with mainboard 33, luminous in second connection end and backlight module 32 in flexible print circuit board 40
Unit (not shown in Fig. 6) is electrically connected.Here, mainboard 33, also known as motherboard or system board etc., refer to, electronic device back cover with
Main circuit board between backlight module 32.Further, if the electronic device also (does not show in Fig. 5 and Fig. 6 including touch control electrode
Go out), the first connection end of flexible print circuit board 40 is electrically connected with mainboard 33, and the second connection end of flexible print circuit board 40 can
With with the liquid crystal display module 31 in driving chip 311, at least one in the luminescence unit in backlight module 32 or touch control electrode
Individual electrical connection.
If electronic device is organic LED display device, as shown in fig. 7, the organic LED display device
Including organic diode displaying module 34 and mainboard 33；Flexible print circuit board 40 includes that the first connection end and second connects
End is connect, wherein first connection end is electrically connected with mainboard 33 in flexible print circuit board 40, second connects in flexible print circuit board 40
Connect end to electrically connect with the driving chip 341 of organic light-emitting diode display module 34.Here, mainboard 33, also known as motherboard or be
System plate etc., refers to, the main circuit board between electronic device back cover and organic light-emitting diode display module 34.Further, if
The electronic device also includes touch control electrode (not shown in Fig. 7), and the first connection end of flexible print circuit board 40 is electric with mainboard 33
Driving chip in connection, the second connection end of flexible print circuit board 40 and the organic light-emitting diode display module 34
At least one electrical connection in 341 or shown touch control electrodes.
This utility model embodiment is by arranging comprising network on the flexible print circuit board in electronic device
In protective layer, and the mesh of the network, arbitrary interior angle is obtuse angle, solves the protective layer of existing flexible print circuit board
For quadrilateral mesh structure, in bending, easily there is the area that interior angle is acute angle because of stretching in each mesh of quadrilateral mesh structure
Domain, these interior angles for acute angle region often stress concentrate and tear, and then cause flexible print circuit board damage problem,
Realize the effect of the probability for reducing the flexible print circuit board damage that stress is concentrated and caused.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, this utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore, although by above example
This utility model is described in further detail, but this utility model is not limited only to above example, without departing from
In the case that this utility model is conceived, more other Equivalent embodiments can also be included, and scope of the present utility model is by appended
Right determine.
Claims (19)
1. a kind of flexible print circuit board, it is characterised in that including flexible print circuit board main body and be arranged at the flexibility
The protective layer of printed substrate body surfaces；
The protective layer includes network, and in the mesh of the network, arbitrary interior angle is obtuse angle.
2. flexible print circuit board according to claim 1, it is characterised in that
The mesh of the network is n-shaped, and wherein N is the positive integer more than or equal to 5.
3. flexible print circuit board according to claim 2, it is characterised in that
The mesh of the network is regular hexagon.
4. flexible print circuit board according to claim 3, it is characterised in that
The mesh of the network is regular hexagon.
5. flexible print circuit board according to claim 1, the network are honeycomb-like network structure.
6. flexible print circuit board according to claim 1, it is characterised in that the flexible print circuit board is included at least
One bent area,
The protective layer is arranged at the bent area of the flexible print circuit board body surfaces.
7. flexible print circuit board according to claim 6, it is characterised in that the protective layer is arranged at the bent area
And the bent area neighboring area.
8. flexible print circuit board according to claim 6, it is characterised in that the flexible print circuit board also include to
A few connection end,
The connection end is located at least one end of the flexible print circuit board main body；
The bent area is located at the position of the connection end.
9. flexible print circuit board according to claim 1, it is characterised in that the flexible print circuit board main body is also wrapped
Include base material and connecting wire layer；
The connecting wire layer is bonded on the base material, and the protective layer is bonded on the connecting wire layer.
10. flexible print circuit board according to claim 9, it is characterised in that the protective layer is metal.
11. flexible print circuit boards according to claim 10, it is characterised in that the protective layer is Copper Foil.
12. flexible print circuit boards according to claim 10, it is characterised in that the protective layer and the connecting wire
Layer is electrically insulated from each other.
13. flexible print circuit boards according to claim 1, it is characterised in that
The flexible print circuit board is lamina, doubling plate, dual platen or multi-layer sheet.
14. a kind of electronic devices, it is characterised in that comprising the flexible print circuit board described in any one of claim 1-13.
15. electronic devices according to claim 14, it is characterised in that the electronic device is liquid crystal indicator or has
Machine light emitting display device.
16. electronic devices according to claim 14, it is characterised in that
The electronic device is liquid crystal indicator, and the electronic device includes liquid crystal display module, with the liquid crystal display mode
The opposed backlight module of group, and mainboard；
The flexible print circuit board includes the first connection end and the second connection end, wherein first connection end and the mainboard
Driving chip or the luminescence unit in the backlight module in electrical connection, second connection end and the liquid crystal display module
In at least one electrical connection.
17. electronic devices according to claim 16, it is characterised in that shown electronic device also includes touch control electrode, institute
First connection end for stating flexible print circuit board is electrically connected with the mainboard, second connection end and the liquid crystal display
At least one electrical connection in the luminescence unit in driving chip, the backlight module or the touch control electrode in module.
18. electronic devices according to claim 14, it is characterised in that
The electronic device is organic LED display device, and the organic LED display device includes organic
Optical diode display module and mainboard；
The flexible print circuit board includes the first connection end and the second connection end, wherein first connection end and the mainboard
Electrical connection, second connection end is electrically connected with the driving chip in the organic light-emitting diode display module.
19. electronic devices according to claim 18, it is characterised in that shown electronic device also includes touch control electrode, institute
First connection end for stating flexible print circuit board is electrically connected with the mainboard, second connection end and the organic light emission
At least one electrical connection in driving chip or the touch control electrode in diode display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802377.3U CN206061274U (en) | 2016-07-27 | 2016-07-27 | Flexible print circuit board and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802377.3U CN206061274U (en) | 2016-07-27 | 2016-07-27 | Flexible print circuit board and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206061274U true CN206061274U (en) | 2017-03-29 |
Family
ID=58379456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620802377.3U Active CN206061274U (en) | 2016-07-27 | 2016-07-27 | Flexible print circuit board and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206061274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877531A (en) * | 2018-07-13 | 2018-11-23 | 京东方科技集团股份有限公司 | A kind of flexible display apparatus |
| WO2020133443A1 (en) * | 2018-12-29 | 2020-07-02 | 深圳市柔宇科技有限公司 | Flexible touch sensor and manufacturing method therefor, and touch device |
-
2016
- 2016-07-27 CN CN201620802377.3U patent/CN206061274U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877531A (en) * | 2018-07-13 | 2018-11-23 | 京东方科技集团股份有限公司 | A kind of flexible display apparatus |
| CN108877531B (en) * | 2018-07-13 | 2022-07-12 | 京东方科技集团股份有限公司 | Flexible display device |
| WO2020133443A1 (en) * | 2018-12-29 | 2020-07-02 | 深圳市柔宇科技有限公司 | Flexible touch sensor and manufacturing method therefor, and touch device |
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