CN107437534A - Stretchable electronic system - Google Patents
Stretchable electronic system Download PDFInfo
- Publication number
- CN107437534A CN107437534A CN201610364119.6A CN201610364119A CN107437534A CN 107437534 A CN107437534 A CN 107437534A CN 201610364119 A CN201610364119 A CN 201610364119A CN 107437534 A CN107437534 A CN 107437534A
- Authority
- CN
- China
- Prior art keywords
- stretchable
- strain relief
- relief part
- electronic system
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/14—Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
- H01L23/145—Organic substrates, e.g. plastic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/562—Protection against mechanical damage
Abstract
The present invention provides a kind of stretchable electronic system, including stretchable telegraph circuit and/or stretchable device；Integrated-optic device, it forms in engaging zones with the stretchable telegraph circuit and/or stretchable device and electrically connected；Stretchable substrate, for encapsulating the integrated-optic device and the stretchable telegraph circuit and/or stretchable device；The strain relief part being packaged in the stretchable substrate, the tensile strength of the strain relief part is more than the stretchable substrate, and the strain relief part and the engaging zones is least partially overlapped, wherein, multiple joint portions that can coordinate with the stretchable substrate are provided with the strain relief part.Stretchable electronic system proposed by the present invention can effectively reduce or prevent the strain of unstretched regions, prevent integrated-optic device and stretchable telegraph circuit and/or stretchable device engaging zones fracture and integrated-optic device and stretchable substrate between depart from.
Description
Technical field
The present invention relates to wearable device technical field, more particularly to a kind of stretchable electronic system.
Background technology
In recent years, the proposition and development of wearable electronic concept, amount of exercise and pulse can be monitored in real time by occurring some
Intelligent bracelet.But these current products are still based on traditional electronic manufacturing technology.And developing has stretchable ductility electricity
Subsystem, and by this electronic system miniaturization, miniaturization, be attached directly to human body surface, realize to physiology signal
Measurement in real time is a developing direction of wearable electronic technology in recent years.
The technical fields such as stretchable telegraph circuit, stretchable device are always the focus that scientists are being studied, people
Wish more scalable, flexible stretchable telegraph circuits or stretchable device to apply into wearable electronic.But
It is that these stretchable telegraph circuits, stretchable device in itself, and with the connection of other devices in wearable electronic are still deposited
In the problem that needs overcome.
Rogers of University of Illinois of the U.S. et al. has developed a kind of stretchable extending circuit based on transfer technique
Technology of preparing, circuit system can be prepared in stretchable substrate, but the stretchable electronic device developed at present is main still
Stretchable wire.In terms of current developing stage, wearable electronic systemic-function is realized, it is necessary in stretchable telegraph circuit system
Some silicon-based devices are integrated in system.And rigidity and non-stretchable property due to silicon-based devices, and silicon-based devices and stretchable line
The electrical connection requirement on road so that stretchable base material is combined in silicon-based devices periphery and with stretchable wire in a stretched state
Region produces deformation, causes silicon-based devices to depart from stretchable substrate, or the calmodulin binding domain CaM of silicon-based devices and stretchable wire should
Become fracture, cause the open circuit of circuit, make thrashing.
The content of the invention
In order to solve the above problems, stretchable electronic system proposed by the present invention includes strain relief part, in stretchable base
When bottom is stretched, strain relief part can effectively reduce or prevent the strain of unstretched regions, prevent integrated-optic device with can
Stretch the breaking releasing of telegraph circuit and/or stretchable device engaging zones.Meanwhile strain relief part has with stretchable substrate
Good adhesion, multi-drawing is avoided to cause the disengaging of strain relief part and stretchable substrate.
Concrete technical scheme proposed by the present invention is：A kind of stretchable electronic system is provided, including：Stretchable telegraph circuit
And/or stretchable device；Integrated-optic device, it is with the stretchable telegraph circuit and/or stretchable device in engaging zones
Form electrical connection；Stretchable substrate, for encapsulating the integrated-optic device and the stretchable telegraph circuit and/or can draw
Stretch device；The strain relief part being packaged in the stretchable substrate, the tensile strength of the strain relief part is more than described
Stretchable substrate, and the strain relief part and the engaging zones is least partially overlapped, wherein, on the strain relief part
It is provided with multiple joint portions that can coordinate with the stretchable substrate.
Further, the joint portion is the through hole through the strain relief part, described in the stretchable substrate insertion
On strain relief part at least part of through hole.
Further, a diameter of 0.001mm~8mm of the through hole, preferably 0.5mm~2mm；And/or adjacent institute
It is 1mm~10mm to state the distance between through hole.
Further, the spacing of multiple through holes is equal or different on the strain relief part；And/or the strain relief part
On multiple through holes arranged for array arrangement or non-array；And/or multiple through holes on the strain relief part are shaped as justifying
One or more of combinations in shape, square, rhombus, hexagon or other arbitrary polygons.
Further, the strain relief part is arranged at the above and or below of the engaging zones.
Further, the strain relief part fits in the integrated-optic device or between the integrated-optic device
It is described to be smaller than 10mm with spacing.
Further, the strain relief part is that layer material and/or the strain relief part have flexibility.
Further, the thickness of the strain relief part is less than 5mm.
Further, the material of the strain relief part is selected from yarn fabric, leather, plastics, polymer, glass fibre, gold
Category, ceramics or one kind in paper products or wherein several composites；And/or the material of the stretchable substrate is selected from poly- two
One kind in methylsiloxane, silica gel, silicone or polyurethane；And/or the material of the stretchable telegraph circuit is metal, nanometer
One kind in particle, nano wire, graphene, carbon material, oxide or conducting polymer.
Further, the material of the stretchable device is selected from photoelectron material, mechanics material, magnetic material, chemical material
One kind in material or sensing material.
Stretchable electronic system proposed by the present invention has advantages below relative to prior art：
(1) by setting multiple joint portions that can coordinate with stretchable substrate on strain relief part so that stretchable base
The material at bottom can be embedded in joint portion, such as preferably, when the joint portion is through the through hole of strain relief part, is now embedded in
Stretchable base material in through hole forms similar securing structure, and closely to wrap up strain relief part, reduction should slow down
The influence of adhesion between stamping and stretchable substrate, the reliability that lifting strain relief part is combined with stretchable substrate.Can
When elongate substrate is stretched, strain relief part can effectively reduce or prevent the strain of unstretched regions, prevent integrated electronic device
Part and stretchable telegraph circuit and/or the fracture of stretchable device engaging zones and integrated-optic device and stretchable substrate it
Between depart from.
(2) size of through hole and distribution density can be set according to being actually needed on strain relief part, so as to
Distribution is buffered to different adaptabilitys to changes, lifts the reliability of strain relief part.
(3) strain relief part is preferably made of the flexible material of thin layer, and it is original not interfere with stretchable electronic system
It is flexible.
Brief description of the drawings
The following description carried out in conjunction with the accompanying drawings, above and other aspect, feature and the advantage of embodiments of the invention
It will become clearer, in accompanying drawing：
Fig. 1 is the stretchable electronic system architecture schematic diagram of the first embodiment；
Fig. 2 is the partial enlarged drawing of strain relief part in the stretchable electronic system of the first embodiment；
Fig. 3 is the stretchable electronic system architecture schematic diagram of the second embodiment；
Fig. 4 is the partial enlarged drawing of strain relief part in the stretchable electronic system of the second embodiment；
Fig. 5 is the stretchable electronic system architecture schematic diagram of the 3rd embodiment；
Fig. 6 is the stretchable electronic system architecture schematic diagram of the 4th embodiment.
Embodiment
Hereinafter, with reference to the accompanying drawings to embodiments of the invention are described in detail.However, it is possible to come in many different forms real
Apply the present invention, and the specific embodiment of the invention that should not be construed as limited to illustrate here.Conversely, there is provided these implementations
Example is in order to explain the principle and its practical application of the present invention, so that others skilled in the art are it will be appreciated that the present invention
Various embodiments and be suitable for the various modifications of specific intended application.
Reference picture 1, Fig. 2, in the first embodiment of the application, stretchable electronic system includes stretchable electrode
Circuit and/or stretchable device 1, integrated-optic device 2, strain relief part 3 and stretchable substrate 4.Stretchable telegraph circuit
And/or stretchable device 1 electrically connects with integrated-optic device 2, wherein, stretchable telegraph circuit and/or stretchable device 1 and collection
Formed and electrically connected in engaging zones 100 into electronic device 2, stretchable telegraph circuit and/or stretchable device 1, integrated electronic device
Part 2 and strain relief part 3 are packaged in the stretchable substrate 4, and the tensile strength of strain relief part 3 can more than described in
Elongate substrate 4.The material of stretchable substrate 4 is the polymeric material with tensile ductility, wherein, polymeric material includes poly-
Dimethyl siloxane, silica gel, silicone or polyurethane etc..
Specifically, stretchable telegraph circuit and/or stretchable device 1 is conductive can and extend with certain stretching
Property, for example, stretchable telegraph circuit is using metal, nano particle, nano wire, graphene, carbon material, oxide or conductive poly-
A kind of circuit prepared in compound, metal material include gold, silver, copper, aluminium, nickel or other alloy materials；Stretchable device
The one kind of material in photoelectron material, mechanics material, magnetic material, chemical material or sensing material, for example, can be to receive
Nanowire material, carbon nano-tube material or nano silver wire material etc..The thickness of stretchable telegraph circuit and/or stretchable device 1 is
1um~30um, it is preferred that stretchable telegraph circuit and/or stretchable device 1 are copper product, thickness 10um.Stretchable electrode
Circuit and/or stretchable device 1 form serpentine configuration using the method for exposure etching, and by the method integration of transfer to can draw
To stretch in substrate 4, stretchable telegraph circuit and/or stretchable device 1 are understood with the stretching twist distortion of stretchable substrate 4, due to
It has serpentine configuration, and its electric conductivity can be also kept when producing certain deformation.Integrated-optic device 2 extends without stretching
Property, its adhesion between stretchable substrate 4 is weaker, wherein, the integrated-optic device 2 in present embodiment is silicon substrate device
Part.
In order to avoid when the stretching of stretchable substrate 4 deforms upon, stretchable telegraph circuit and/or stretchable device 1 with
Integrated-optic device 2 is broken at engaging zones 100, strain relief part 3 be located at the above and or below of engaging zones 100 and with
Engaging zones 100 are least partially overlapped, and it has spacing between integrated-optic device 2, described to be smaller than 10mm, should slow down
Stamping 3 is layer material and/or is less than 5mm with flexibility, its thickness, it is preferred that the thickness of strain relief part 3 is less than 0.5mm.
Wherein, the material of strain relief part 3 is in yarn fabric, leather, plastics, polymer, glass fibre, metal, ceramics or paper products
One or more of composites.Due to yarn fabric with stronger tensile resistance and with preferable flexibility, even if will
It is embedded into the flexibility that stretchable substrate 4 is not interfered with stretchable substrate 4 yet, moreover, yarn fabric and the material of stretchable substrate 4
Material has very strong associativity, so, in order to not influence the flexibility of stretchable substrate 4, the strain relief part 3 in the present embodiment is
Yarn fabric, it is located at the lower section of engaging zones 100 and partly overlapped with engaging zones 100, and its thickness is less than 0.3mm.
In order to further increase the adhesion between strain relief part 3 and stretchable substrate 4, set on strain relief part 3
There are multiple joint portions coordinated with stretchable substrate 4, it is preferred that joint portion is the through hole 31 through the strain relief part 3, its
In, stretchable substrate 4 is embedded on strain relief part 3 at least part of through hole 31, it is of course possible to is buffered and is distributed according to adaptability to changes
Need, strain relief part 3 compare it is thick in the case of, joint portion can also may be used not through strain relief part 3, stretchable substrate 4
Only to use in the through hole 31 of embedded part.The spacing of multiple through holes 31 on strain relief part 3 is equal or different and/or multiple logical
Hole 31 is that array arrangement or non-array are arranged, and multiple through holes 31 are shaped as circular, square, rhombus, hexagon or other any
One or more of combinations and/or irregular shape in polygon, its a diameter of 0.001mm~8mm, it is preferred that its diameter
For 0.5mm~2mm, the distance between adjacent two through hole 31 is 1mm~10mm, in the present embodiment through hole 31 be shaped as it is square,
Its length of side is 0.5mm (as shown in Figure 2).When strain relief part 3 is embedded into stretchable substrate 4, the material of stretchable substrate 4
The fixation rod structure similar to reinforcing bar is formed through the through hole 31 and tightly wraps up the strain relief part 3, so as to add
Adhesion between strain relief part 3 and stretchable substrate 4.The size and distribution density of multiple through holes 31 can be according to reality
Need to be set, distribution, the reliability of lifting strain relief part 3, for example, and bonding land are buffered to obtain different adaptabilitys to changes
The bigger or distribution density that the diameter of through hole 31 corresponding to the central area of domain 100 on strain relief part 3 can be set is set
It is bigger so that strain relief part 3 can preferably alleviate the adaptability to changes of the central area of engaging zones 100.
When stretchable substrate 4 is stretched and deformed upon, because the tensile strength of strain relief part 3 is more than stretchable base
Bottom 4, its amount of deforming upon that is stretched are less than stretchable substrate 4, and due between strain relief part 3 and stretchable substrate 4
Adhesion, therefore, the adaptability to changes that engaging zones 100 are subject to are eased, so as to avoid stretchable telegraph circuit and/or can draw
Device 1 is stretched to be broken at engaging zones 100 with integrated-optic device 2.
Reference picture 3, Fig. 4, the difference of the second embodiment and the first embodiment of the application are
Stretchable electronic system includes two stretchable telegraph circuits and/or stretchable device 1, two stretchable telegraph circuits and/or
Stretchable device 1 is respectively positioned at the both ends of integrated-optic device 2 and with the both ends of integrated-optic device 2 respectively in calmodulin binding domain CaM
200 form electrical connection, wherein, stretchable telegraph circuit and/or stretchable device 1 are copper product, thickness 10um.Strain relief
Part 3 is located at the lower section of engaging zones 200 and overlapping with unstretched regions 201, and unstretched regions 201 include engaging zones here
200 and the calmodulin binding domain CaM of integrated-optic device 2 and stretchable substrate 4.Strain relief part 3 is Stretchable polymeric film, tool
Body, strain relief part 3 is polyethylene terephthalate (PET) film, and its thickness is 50um.Through hole 31 is shaped as justifying
Shape, its a diameter of 1mm (as shown in Figure 4), the material of stretchable substrate 4 is formed through the through hole 31 is similar to " rivet " knot
Structure.
When stretchable substrate 4 is stretched, strain relief part 3 can effectively reduce or prevent the strain of unstretched regions,
Prevent integrated-optic device 2 from fracture and collection occurs in engaging zones 200 with stretchable telegraph circuit and/or stretchable device 1
Depart from between electronic device 2 and stretchable substrate 4.
Reference picture 5, the 3rd embodiment of the application and the difference of the second embodiment are to draw
Stretching electronic system includes two strain relief parts 3, and two strain relief parts 3 are located above and below engaging zones 200 respectively,
And the spacing of two strain relief parts 3 and integrated-optic device 2 is 2mm.
When stretchable substrate 4 is stretched, strain relief part 3 can further reduce or prevent answering for unstretched regions
Become, prevent integrated-optic device 2 and stretchable telegraph circuit and/or stretchable device 1 engaging zones 200 occur fracture and
Depart between integrated-optic device 2 and stretchable substrate 4.
Reference picture 6, the 4th embodiment of the application are two with the difference of the 3rd embodiment
Strain relief part 3 is located above and below engaging zones 200 and is close to integrated-optic device 2 respectively to be set.In stretchable base
When bottom 4 is stretched, strain relief part 3 can further reduce or prevent the strain of unstretched regions, prevent integrated electronic device
Part 2 occurs fracture and integrated-optic device 2 in engaging zones 200 with stretchable telegraph circuit and/or stretchable device 1 and can
Depart between elongate substrate 4, but also the thickness of stretchable substrate 4 can be reduced.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
- A kind of 1. stretchable electronic system, it is characterised in that including：Stretchable telegraph circuit and/or stretchable device；Integrated-optic device, it forms in engaging zones with the stretchable telegraph circuit and/or stretchable device and electrically connected；Stretchable substrate, for encapsulating the integrated-optic device and the stretchable telegraph circuit and/or stretchable device；The strain relief part being packaged in the stretchable substrate, the tensile strength of the strain relief part can be drawn more than described Stretch substrate, and the strain relief part and the engaging zones is least partially overlapped, wherein, set on the strain relief part There are multiple joint portions that can coordinate with the stretchable substrate.
- 2. stretchable electronic system according to claim 1, it is characterised in that the joint portion is that should slow down through described The through hole of stamping, and the stretchable substrate is embedded on the strain relief part at least part of through hole.
- 3. stretchable electronic system according to claim 2, it is characterised in that a diameter of 0.001mm of the through hole~ 8mm, preferably 0.5mm~2mm；And/or the distance between adjacent described through hole is 1mm~10mm.
- 4. stretchable electronic system according to claim 2, it is characterised in that multiple through holes on the strain relief part Spacing is equal or different；And/or multiple through holes on the strain relief part are that array arrangement or non-array are arranged；And/or institute State one kind being shaped as in circular, square, rhombus, hexagon or other arbitrary polygons of multiple through holes on strain relief part Or several combination.
- 5. stretchable electronic system according to claim 1, it is characterised in that the strain relief part is arranged at described connect Close the above and or below in region.
- 6. stretchable electronic system according to claim 1, it is characterised in that the strain relief part fits in the collection There is spacing into electronic device or between the integrated-optic device, it is described to be smaller than 10mm.
- 7. according to the stretchable electronic system described in claim any one of 1-6, it is characterised in that the strain relief part is thin Layer material and/or the strain relief part have flexibility.
- 8. stretchable electronic system according to claim 7, it is characterised in that the thickness of the strain relief part is less than 5mm。
- 9. according to the stretchable electronic system described in claim any one of 1-6, it is characterised in that the material of the strain relief part The one kind or wherein several of matter in yarn fabric, leather, plastics, polymer, glass fibre, metal, ceramics or paper products Composite；And/or the material of the stretchable substrate in dimethyl silicone polymer, silica gel, silicone or polyurethane one Kind；And/or the material of the stretchable telegraph circuit be metal, nano particle, nano wire, graphene, carbon material, oxide or One kind in conducting polymer.
- 10. according to the stretchable electronic system described in claim any one of 1-6, it is characterised in that the stretchable device The one kind of material in for photoelectron material, mechanics material, magnetic material, chemical material or sensing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364119.6A CN107437534A (en) | 2016-05-27 | 2016-05-27 | Stretchable electronic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364119.6A CN107437534A (en) | 2016-05-27 | 2016-05-27 | Stretchable electronic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107437534A true CN107437534A (en) | 2017-12-05 |
Family
ID=60454125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610364119.6A Pending CN107437534A (en) | 2016-05-27 | 2016-05-27 | Stretchable electronic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107437534A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575317A (en) * | 2019-09-29 | 2019-12-17 | 徐州嘉安健康产业有限公司 | Intelligent diaper |
| CN114138061A (en) * | 2020-09-03 | 2022-03-04 | 财团法人工业技术研究院 | Electronic device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105340371A (en) * | 2013-02-25 | 2016-02-17 | Mc10股份有限公司 | Strain isolation structures for stretchable electronics |
-
2016
- 2016-05-27 CN CN201610364119.6A patent/CN107437534A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105340371A (en) * | 2013-02-25 | 2016-02-17 | Mc10股份有限公司 | Strain isolation structures for stretchable electronics |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575317A (en) * | 2019-09-29 | 2019-12-17 | 徐州嘉安健康产业有限公司 | Intelligent diaper |
| CN114138061A (en) * | 2020-09-03 | 2022-03-04 | 财团法人工业技术研究院 | Electronic device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171205 |
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| RJ01 | Rejection of invention patent application after publication |