CN209497726U - Flexible electronic device - Google Patents
Flexible electronic device Download PDFInfo
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- CN209497726U CN209497726U CN201821832214.5U CN201821832214U CN209497726U CN 209497726 U CN209497726 U CN 209497726U CN 201821832214 U CN201821832214 U CN 201821832214U CN 209497726 U CN209497726 U CN 209497726U
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- electronic device
- runner
- flexible electronic
- flexible
- circuit
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Abstract
The utility model provides a kind of flexible electronic device, including first flexible substrate, it is provided with circuit in the first flexible substrate, the first runner extended in a first direction is provided on the periphery of the circuit, non-newtonian fluid is filled in the first runner.The flexible electronic device can provide preferable impact resistance while guaranteeing bending performance for circuit.
Description
Technical field
The utility model relates to Technology of Flexibility field, especially a kind of flexible electronic device.
Background technique
Core technology of the flexible electronic as future individualized wearable medical equipment, has obtained extensive concern and each side
The support in face.Flexible electronic device (including circuit, sensor, electrode, chip etc.) has skin compatibility good, stretchable,
The advantages of bent equal aspect as device.At present for the demand of flexible electronic device not be satisfied with it is bent, it is stretchable
Etc. functions, flexible substrate material research be also flexible electronic field pith.
Current flexible substrate material characteristic be it is stretchable, it is bent, distribution of force it is uniform and do not have directionality, it is this
It is consistent with the distribution of force of conducting wire that characteristic results in electronic device, this can set right flexible substrates and flexible wire are in larger range
It will not be broken under conditions of deformation, but the flexible circuit in flexible electronic device small will be damaged in the deformation range of very little
It is bad.Such case causes under external force, and flexible circuit stress is saturated and the tensile property of conducting wire not yet plays.Secondly,
Flexible circuit opposing leads are thicker under external impacts, have been first subject to more impact forces, but flexible circuit is with respect to energy absorption ability
It is poor, broken invalid is easy under external impacts.In the prior art, in order to guarantee that flexible circuit is not damaged under impact
Evil needs to make thicker flexible cover sheet, and this aspect increases the thickness of flexible electronic device, on the other hand again can be to soft
The bending performance of property electronic device impacts.Therefore, the property that flexible circuit is easy to damaged when being hit has become limit
The principal element of flexible electronic device development processed.
Utility model content
In view of this, the present invention provides a kind of flexible electronic device, which is guaranteeing bending
While energy, preferable impact resistance can be provided for circuit.
The utility model provides a kind of flexible electronic device, including first flexible substrate, in the first flexible substrate
On be provided with circuit, the first runner extended in a first direction is provided on the periphery of the circuit, in the first runner
It is interior to be filled with non-newtonian fluid.
Further, the flexible electronic device further includes second flexible substrate, is provided in the second flexible substrate
Circuit is provided with the second flow channel extended in a second direction on the circuit periphery of the second substrate, in the second flow channel
Filled with non-newtonian fluid.
Further, the first runner and the second flow channel are respectively arranged in the gap of the circuit.
Further, the first direction is mutually perpendicular to the second direction.
Further, the first runner and the second flow channel extend straight.
Further, the first runner and the second flow channel extend in meandering shape.
Further, serpentine shape extends the first runner and the second flow channel is wavy, snakelike, zigzag,
Sinusoidal waveform or S-shaped.
Further, the first runner and the second flow channel that serpentine shape extends are self similarity figure.
Further, the first runner and the second flow channel that serpentine shape extends are N rank self similarity figure.
Further, the circuit is flexible circuit.
In conclusion in the present invention, by forming the first runner extended in a first direction on the first substrate,
And non-newtonian fluid is filled in first runner, it is each to different that this enables to flexible electronic device to have the resistance of active force
Property, so that flexible electronic device while guaranteeing bending performance, keeps its tensile property in particular directions, but in other spies
Determine preferably protect circuit on direction.Further, flexible electronic device can be reduced by preparing non-ox fluid in gap
The volume of part.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the flexible electronic device of the utility model first embodiment offer.
Fig. 2 show the structural schematic diagram of the flexible electronic device of the utility model second embodiment offer.
Fig. 3 show the structural schematic diagram of the flexible electronic device of the utility model 3rd embodiment offer.
Fig. 4 show the structural schematic diagram of runner in the flexible electronic device of the utility model fourth embodiment offer.
Fig. 5 show the structural schematic diagram of the runner of the flexible electronic device of the 5th embodiment of the utility model offer.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, detailed description are as follows.
The utility model provides a kind of flexible electronic device, the flexible electronic device while guaranteeing bending performance,
Preferable impact resistance can be provided for the circuit in flexible electronic device.
Fig. 1 show the schematic view of the front view of the flexible electronic device of the utility model first embodiment offer, such as Fig. 1
Shown, in the first embodiment of the utility model, flexible electronic device includes first flexible substrate 10, in first flexible substrate
It is provided with circuit 11 on 10, the first runner 12 extended in a first direction is provided on the periphery of circuit 11, in first runner
Non-newtonian fluid 30 is filled in 12.
In the present embodiment, the first runner of non-newtonian fluid 30 is filled with by being arranged in first flexible substrate 10
12, since the rate of deformation of non-newtonian fluid 30 and the reaction force of generation are in inverse function relationship, what non-newtonian fluid 30 was subject to
Impact force is bigger, and the resistance generated is bigger, and therefore, which can preferably resist extraneous impact；
Further, since first runner 12 is set to the periphery of circuit 11, and all first runners 12 extend in a first direction.?
Plane where first flexible substrate 10, if flexible electronic device by the active force along first direction, when such as F1, due to first
The side wall of the presence of runner 12, first runner 12 can generate frictional force with non-newtonian fluid 30, which can be to directed force F 1
Dispersed, therefore, the resistance that non-newtonian fluid 30 generates on the direction of directed force F 1 is smaller, and first flexible substrate 10 exists
It when active force by F1, is easy that deformation occurs in this direction, large effect will not be generated in this direction flexible；?
Plane where first flexible substrate 10, if flexible electronic device by the active force perpendicular to first direction, when such as F2, due to
12 lateral force of first runner at this time, the power that non-newtonian fluid 30 is subject to will not decay, and non-newtonian fluid 30 can be to effect
Power generates biggish resistance, can generate biggish protective effect to circuit 11 in this direction, and flexible electrical in this direction
Sub- device is not susceptible to deform；When flexible electronic device is by active force perpendicular to 10 place plane of first flexible substrate,
Non-newtonian fluid 30 in first runner 12 can equally generate biggish resistance, therefore, in this direction equally can be right
Circuit 11 generates protective effect.In conclusion passing through the setting of first runner 12, and non-newtonian flow is filled in first runner 12
Body 30, can the institute of first runner 12 planar, perpendicular to first direction, and fall in and put down with where first flexible substrate 10
The direction in face generates resistance to the active force of application, then protects to circuit 11, and in the extension side of first runner 12
To not had an impact to the tensile property of flexible electronic device, namely produced on flexible electronic device that is, on first direction
For the anisotropy protection feature of active force；At the same time, and because non-newtonian fluid 30 has mobile performance, more slow
In slow bending and drawing process, original performance of circuit 11 will not be impacted, therefore, this can guarantee flexible electronic again
The bending performance of device itself.At the same time, first runner 12 is set in first flexible substrate 10, this can reduce flexibility
The volume of electronic device saves space.
Preferably, in the present embodiment, circuit 11 can be flexible circuit.
Further, in the present embodiment, first runner 12 can be along linear extension.
In the present embodiment, first runner 12 can open up groove by advance in first flexible substrate 10, then exist
Groove upper cover sets cover board and is formed.
In the present embodiment, circuit 11 can close for liquid such as metal simple-substances or gallium-indium-tin alloy such as gold, silver, copper, platinum
Gold or ITO, the inorganic, metal oxides such as AZO or PEDOT, conductive silver paste, structural conductive polymer (PAN PE, PPY PS) etc.
The carbon-based conductives material such as organic conductive material or graphene, carbon nanotube is made.Circuit 11 can pass through magnetic control by above-mentioned material
The methods of sputtering, CVD, PVD, 3D printing are formed.Wherein, magnetron sputtering, the semiconductor technology that CVD, PVD are standard, have system
Standby technique is accurate, it is at low cost, can mass production the advantages that, and 3D printing method has simple process, high reliability.
First flexible substrate 10 can be PDMS, PET, PE (polyethylene), polypropylene (PP), and polyimide (PI) etc. is organic
Polymer or PLA (polylactic acid), the hydrogel materials such as polyacrylamide are molded.
Non-newtonian fluid 30 can be by polyethylene, polyacrylamide, polyvinyl chloride, nylon 6, PVS, celluloid, terylene, rubber
The light industry material such as the organic polymers such as sol solution or ceramic slurry, paper pulp, paint, ink is made.Organic polymer is molten
The performances such as liquid, ceramic slurry, the mobility of ink, viscosity density are adjustable, and other function material or particle can be added, and magnetic is such as added
Property material perceives it to external magnetic field.
In conclusion in the present embodiment, by the way that extend in a first direction is arranged in first flexible substrate 10
One runner 12, and non-newtonian fluid 30 is filled in first runner 12, this enables to flexible electronic device to being applied thereto
Active force generate anisotropic resistance so that flexible electronic device is while guaranteeing bending performance, in specific direction
Upper its tensile property of holding, but preferably circuit 11 can be protected on other specific directions.
Fig. 2 show the structural schematic diagram of the flexible electronic device of the utility model second embodiment offer.Such as Fig. 2 institute
It states, the second embodiment and first embodiment of the utility model are essentially identical, the difference is that, it is in the present embodiment, soft
Property electronic device further include second flexible substrate 20, first flexible substrate 10 is connected with second flexible substrate 20, second flexibility
It is again provided with circuit 11 on substrate 20, the second flow channel 22 extended in a second direction is provided on the periphery of circuit 11,
Non-newtonian fluid 30 is equally filled in two runners 22.Preferably, first direction is mutually perpendicular to second direction.
In the present embodiment, it is respectively set and extends in different directions in first flexible substrate 10 and second flexible substrate 20
Runner, therefore, the direction in the easily stretchable direction and anti-active force of first flexible substrate 10 and second flexible substrate 20 is different.
As shown in Fig. 2, first flexible substrate 10 can preferably keep out the active force of Y-direction, but there is preferably draftability in X-direction
Can, and second flexible substrate 20 can preferably keep out the active force of X-direction, but have preferably tensile property in the Y direction.
Therefore, the utility model second embodiment provide flexible electronic device can be suitable for stress it is complex, as protecting ware for sports,
In the situation of shoulder flexible patch etc..
In the present embodiment, it is soft can be laid in first flexible substrate 10 and second according to conventional distribution method for circuit 11
On property substrate 20, first runner 12 and second flow channel 22 can be laid in the gap of circuit 11, this can not change circuit
Flexible electronic device is improved in the case where 11 laying modes for the protective value of circuit 11.
Fig. 3 show the structural schematic diagram of the flexible electronic device of the utility model 3rd embodiment offer.Such as Fig. 3 institute
Showing, the flexible electronic device and first embodiment that the utility model 3rd embodiment provides are essentially identical, the difference is that,
In the present embodiment, first runner 12 extends in meandering shape, such as wavy extension.
In the present embodiment, when the first substrate is by active force along the extending direction of first runner 12, first runner
12 can generate stretching or bending with the deformation of the first substrate, and non-newtonian fluid 30 can be in a plurality of directions by first runner
The active force that 12 side wall applies, 30 stress of non-newtonian fluid is more dispersed, first runner 12 can be generated under active force compared with
Big deformation, the resistance that non-newtonian fluid 30 generates is lower, can deform together with first runner 12, therefore, in the direction
On, non-newtonian fluid 30 will not generate apparent effect；In plane where the first substrate, the first substrate by perpendicular to
When the active force of 12 extending direction of first runner, at this point, deformation of the first runner 12 under active force is smaller, non-newtonian fluid 30
Stress is more concentrated, and non-newtonian fluid 30 will generate biggish resistance to active force, this can resist in this direction more
Firmly the circuit 11 on the first substrate is impacted, circuit 11 is preferably protected.
It is to be appreciated that second flow channel 22 can also be such as above-mentioned shape.
Fig. 4 show the structural representation of runner runner in the flexible electronic device of the utility model fourth embodiment offer
Figure.As shown in figure 4, the basic phase that the flexible electronic device that the utility model second embodiment provides is provided with first embodiment
Together, the difference is that, in the present embodiment, the first runner 12 extended that wriggles can not be waveform, as shown in figure 3,
In order to make it easy to understand, replacing the shape of first runner 12 to carry out letter with the shape to first runner 12 with line in Fig. 3
Change, the shape of first runner 12 may be square waveform.Similarly, second flow channel 22 can also be such as above-mentioned shape.
It is to be appreciated that in other embodiments, wriggle the first runner 12 that extends can with but be not limited to it is serpentine-like,
Zigzag, sinusoidal waveform, S-shaped etc. extend as long as it presents to wriggle.
Fig. 5 show the structural representation of the runner runner of the flexible electronic device of the 5th embodiment of the utility model offer
Figure, as shown in figure 5, flexible electronic device and first embodiment that the 5th embodiment of the utility model provides are essentially identical, no
It is with place, in the present embodiment, the first runner 12 extended that wriggles is self similarity figure, by taking self similarity square waveform as an example,
In the Y-direction of self similarity square waveform, i.e. it can be partitioned into whole square waveform similar fitgures on vertical direction (see Fig. 5 in Fig. 5
In dotted line frame), first runner 12 can be made more winding in this way, while can also be according to actual conditions, flexible electronic device
The anisotropy of active force is adjusted in part.Such as in Fig. 5, due to also having the shape of serpentine shape extension in the Y direction, because
This, also has certain tensile property in the Y direction, simultaneously as the presence of non-newtonian fluid 30, simultaneously also more violent
There is preferable shock resistance under strong active force.
It is to be appreciated that the first runner 12 extended that wriggles also can be, but not limited to as self similarity is snakelike, self similarity sawtooth
Shape, self similarity waveform etc..
Further, the self similarity shape of the sinuous first runner 12 extended can (N be positive whole for N rank self similarity figure
Number), that is, can also continue to be refined as multiple figures similar with original figure in a part of original figure, such as scheme
Shown in 5, in a part of original figure, in rectangle frame, a figure similar with original figure can be refined out,
Therefore, second order self similarity figure can be referred to as.
It is to be appreciated that second flow channel 22 or above-mentioned figure.
In conclusion in the present invention, by forming the first runner extended in a first direction on the first substrate
12, and non-newtonian fluid 30 is filled in first runner 12, this enables to flexible electronic device to have the resistance of active force
There is anisotropy, so that flexible electronic device while guaranteeing bending performance, keeps its tensile property in particular directions, but
Preferably circuit 11 can be protected on other specific directions.Further, that first runner 12 is set to first is soft
Property substrate 10 on, this can reduce the volume of flexible electronic device, save space.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, but all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of flexible electronic device, it is characterised in that: including first flexible substrate, be provided in the first flexible substrate
Circuit is provided with the first runner extended in a first direction on the periphery of the circuit, is filled in the first runner
Non-newtonian fluid.
2. flexible electronic device as described in claim 1, it is characterised in that: the flexible electronic device further includes the second flexibility
Substrate is provided with circuit in the second flexible substrate, is provided on the circuit periphery of the second flexible substrate along second party
To the second flow channel of extension, non-newtonian fluid is filled in the second flow channel.
3. flexible electronic device as claimed in claim 2, it is characterised in that: the first runner and second flow channel difference
It is set in the gap of the circuit.
4. flexible electronic device as claimed in claim 2, it is characterised in that: the first direction and the second direction are mutual
Vertically.
5. flexible electronic device as claimed in claim 2, it is characterised in that: the first runner and the second flow channel are in straight
Line extends.
6. flexible electronic device as claimed in claim 2, it is characterised in that: the first runner and the second flow channel are in wriggling
Yan shape extends.
7. flexible electronic device as claimed in claim 6, it is characterised in that: the first runner and described that serpentine shape extends
Second flow channel is wavy, snakelike, zigzag, sinusoidal waveform or S-shaped.
8. flexible electronic device as claimed in claim 7, it is characterised in that: the first runner and described that serpentine shape extends
Second flow channel is self similarity figure.
9. flexible electronic device as claimed in claim 7, it is characterised in that: the first runner and described that serpentine shape extends
Second flow channel is N rank self similarity figure.
10. flexible electronic device as described in claim 1, it is characterised in that: the circuit is flexible circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832214.5U CN209497726U (en) | 2018-11-07 | 2018-11-07 | Flexible electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832214.5U CN209497726U (en) | 2018-11-07 | 2018-11-07 | Flexible electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209497726U true CN209497726U (en) | 2019-10-15 |
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ID=68151338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821832214.5U Active CN209497726U (en) | 2018-11-07 | 2018-11-07 | Flexible electronic device |
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| CN (1) | CN209497726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616449A (en) * | 2018-11-07 | 2019-04-12 | 浙江清华柔性电子技术研究院 | Flexible electronic device and preparation method thereof |
| CN113490327A (en) * | 2021-06-24 | 2021-10-08 | 浙江清华柔性电子技术研究院 | Flexible circuit structure |
-
2018
- 2018-11-07 CN CN201821832214.5U patent/CN209497726U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616449A (en) * | 2018-11-07 | 2019-04-12 | 浙江清华柔性电子技术研究院 | Flexible electronic device and preparation method thereof |
| CN109616449B (en) * | 2018-11-07 | 2020-12-15 | 浙江清华柔性电子技术研究院 | Flexible electronic device and manufacturing method thereof |
| CN113490327A (en) * | 2021-06-24 | 2021-10-08 | 浙江清华柔性电子技术研究院 | Flexible circuit structure |
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