CN207799617U - Electronic equipment, touch-control display module and its pressure sensitive touch feedback module - Google Patents
Electronic equipment, touch-control display module and its pressure sensitive touch feedback module Download PDFInfo
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- CN207799617U CN207799617U CN201721905175.2U CN201721905175U CN207799617U CN 207799617 U CN207799617 U CN 207799617U CN 201721905175 U CN201721905175 U CN 201721905175U CN 207799617 U CN207799617 U CN 207799617U
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Abstract
The utility model is related to a kind of electronic equipment, touch-control display module and its pressure sensitive touch feedback module, pressure sensitive touch feedback module includes the first base material, first conductive electrode, layer of electroactive polymer, second base material and the second conductive electrode, layer of electroactive polymer and first, second conductive electrode collectively forms shaking assembly, first, one of which in second conductive electrode connects power supply, another one is grounded, since layer of electroactive polymer can change shape or size under the action of electric field, it will produce induction bending displacement under the excitation of voltage, it bends to except dimension/plane where layer of electroactive polymer.For the haptic feedback system based on vibrations motor, the occupied space smaller of this pressure sensitive touch feedback module, it is smaller, and it is not influenced by distance, for based on electrostatic haptic feedback system, this pressure sensitive touch feedback module can provide haptic feedback effect when quiescent touch or pressing.
Description
Technical field
The utility model is related to haptic feedback technology field, more particularly to a kind of electronic equipment, touch-control display module and
Its pressure sensitive touch feedback module.
Background technology
Generally there are two types of realization methods for common haptic feedback system, the first is the touch feedback system based on vibrations motor
System, second is the haptic feedback system based on electrostatic principle.The haptic feedback system of vibrations motor is to utilize motor or line
Property brake vibrations realize the feedback etc. of touch, pressure condition.The haptic feedback system of electrostatic principle can pass through change
The waveform of drive signal and frequency simulate the tactile sensation on various surfaces.
But both haptic feedback systems have certain defect.Haptic feedback system based on vibrations motor is because of horse
Up to certain installation space is needed, cause overall dimensions larger, and not due to the distance of touch-surface and vibrations motor distance
Together, different effects is also had when touch.And for electrostatic haptic feedback system, when finger sliding motion can only be provided
Haptic feedback effect, the haptic feedback effect of (that is, when digit speed is 0) when quiescent touch cannot be provided or when pressing.
Utility model content
Based on this, it is necessary to which in view of the above technical problems, providing a kind of can effectively reduce size, not influenced by distance
And electronic equipment, touch-control display module and its pressure sensitive of haptic feedback effect when can provide quiescent touch or pressing are touched
Feel feedback module.
A kind of pressure sensitive touch feedback module, including：
The first base material, including first surface and the second surface back on first surface setting；
First conductive electrode is set to the side of the first surface；
Layer of electroactive polymer, is located at the side of the first surface, and first conductive electrode is located at first base
Between material and the layer of electroactive polymer, the layer of electroactive polymer is electrically connected with first conductive electrode；
Second base material, including third surface and back on the third surface be arranged the 4th surface, the third surface
It is oppositely arranged with the first surface；And
Second conductive electrode, is set to the side on the third surface, and second conductive electrode is located at second base
Between material and the layer of electroactive polymer, and second conductive electrode is electrically connected with the layer of electroactive polymer.
Above-mentioned pressure sensitive touch feedback module has at least the following advantages：
Layer of electroactive polymer and the first conductive electrode and the second conductive electrode collectively form shaking assembly, the first conductive electricity
Pole connects power supply, another one ground connection, since layer of electroactive polymer is in the effect of electric field with the one of which in the second conductive electrode
Under can change shape or size, induction bending displacement is will produce under the excitation of voltage, bends to layer of electroactive polymer institute
Dimension/plane except.And layer of electroactive polymer itself is also dielectric material, has larger resistance value, adjustment driving electricity
The adjusting of vibration frequency and vibration amplitude may be implemented in the frequency and size of pressure, and driving voltage is bigger, and vibration frequency is bigger.When by
When to pressure, the partial pressure of layer of electroactive polymer increases, therefore generates vibrations.As the pressure increases, layer of electroactive polymer
Partial pressure continues to increase, and vibrating effect increases.Therefore, it for compared to haptic feedback system of the tradition based on vibrations motor, uses
The occupied space smaller of pressure sensitive touch feedback module of layer of electroactive polymer, it is smaller, and not by the shadow of distance
It rings, is based on for electrostatic haptic feedback system compared to tradition, using the pressure sensitive touch feedback of layer of electroactive polymer
Module can provide haptic feedback effect when quiescent touch or pressing.
Further include first pressure sensitive electrical resistance layer, the first pressure sensitive electrical resistance layer in a wherein embodiment
Positioned at second conductive electrode back on the side on the surface of second base material, the first pressure sensitive electrical resistance layer and institute
State the electrical connection of the second conductive electrode.One layer of first pressure sensitive electrical resistance layer is increased, therefore when being under pressure, first pressure is quick
The resistance value of electrification resistance layer reduces, and the partial pressure of layer of electroactive polymer increases, and then increases vibration amplitude, and sensitivity higher.
Further include first pressure sensitive electrical resistance layer, the first pressure sensitive electrical resistance layer in a wherein embodiment
Positioned at the layer of electroactive polymer back on the side on the surface of the first base material, the first pressure sensitive electrical resistance layer with
The layer of electroactive polymer electrical connection.One layer of first pressure sensitive electrical resistance layer is increased, therefore when being under pressure, the first pressure
The resistance value of power sensitive electrical resistance layer reduces, and the partial pressure of layer of electroactive polymer increases, and then increases vibration amplitude, and sensitivity is more
It is high.
Further include first pressure sensitive electrical resistance layer and second pressure sensitive electrical resistance layer, institute in a wherein embodiment
State first pressure sensitive electrical resistance layer be located at the layer of electroactive polymer back on the surface of the first base material side, it is described
First pressure sensitive electrical resistance layer is electrically connected with the layer of electroactive polymer, and the second pressure sensitive electrical resistance layer is located at described the
Two conductive electrodes are back on the side on the surface of second base material, the second pressure sensitive electrical resistance layer and described second conductive
Electrode is electrically connected, and has air space between the first pressure sensitive electrical resistance layer and the second pressure sensitive electrical resistance layer.
One layer of first pressure sensitive electrical resistance layer and one layer of second pressure sensitive electrical resistance layer are increased, and there is airspace between the two
Layer, when being under pressure, the resistance value of first pressure sensitive electrical resistance layer and second pressure sensitive electrical resistance layer reduces, electroactive polymer
The partial pressure of layer increases, and then increases vibration amplitude, and sensitivity higher.
Further include third conductive electrode and first pressure sensitive electrical resistance layer, the third in a wherein embodiment
Conductive electrode is located at the layer of electroactive polymer back on the side on the surface of the first base material, the third conductive electrode
It is electrically connected with the layer of electroactive polymer, the first pressure sensitive electrical resistance layer is located at second conductive electrode back on institute
The side on the surface of the second base material is stated, the first pressure sensitive electrical resistance layer is electrically connected with second conductive electrode.It increases
Third conductive electrode and first pressure sensitive electrical resistance layer, third conductive electrode are used to obtain the numerical value of pressure, and are shown in feedback
Vibrations dynamics on.When being under pressure, the resistance value of first pressure sensitive electrical resistance layer reduces, and the partial pressure of layer of electroactive polymer increases
Greatly, and then increase vibration amplitude, and sensitivity higher.
Further include third conductive electrode and first pressure sensitive electrical resistance layer, the third in a wherein embodiment
Conductive electrode is located at the layer of electroactive polymer back on the side on the surface of the first base material, the third conductive electrode
It is electrically connected with the layer of electroactive polymer, the first pressure sensitive electrical resistance layer is located at the third conductive electrode back on institute
The side on the surface of layer of electroactive polymer is stated, the first pressure sensitive electrical resistance layer is electrically connected with the third conductive electrode.
Third conductive electrode and first pressure sensitive electrical resistance layer are increased, third conductive electrode is used to obtain the numerical value of pressure, and shows
In the vibrations dynamics of feedback.When being under pressure, the resistance value of first pressure sensitive electrical resistance layer reduces, layer of electroactive polymer
Partial pressure increases, and then increases vibration amplitude, and sensitivity higher.
Further include third conductive electrode, first pressure sensitive electrical resistance layer and second pressure in a wherein embodiment
Sensitive electrical resistance layer, the third conductive electrode are located at the layer of electroactive polymer back on the one of the surface of the first base material
Side, the third conductive electrode are electrically connected with the layer of electroactive polymer, and the first pressure sensitive electrical resistance layer is located at described
Third conductive electrode back on the surface of the layer of electroactive polymer side, the first pressure sensitive electrical resistance layer with it is described
Third conductive electrode is electrically connected, and the second pressure sensitive electrical resistance layer is located at second conductive electrode back on second base
The side on the surface of material, the second pressure sensitive electrical resistance layer are electrically connected with second conductive electrode, and the first pressure is quick
There is air space between electrification resistance layer and the second pressure sensitive electrical resistance layer.Increase third conductive electrode, the first pressure
Power sensitive electrical resistance layer and second pressure sensitive electrical resistance layer, third conductive electrode are used to obtain the numerical value of pressure, and are shown in feedback
Vibrations dynamics on.When being under pressure, the resistance value of first pressure sensitive electrical resistance layer and second pressure sensitive electrical resistance layer reduces, electricity
The partial pressure of active polymer increases, and then increases vibration amplitude, and sensitivity higher.
Further include third conductive electrode in a wherein embodiment, it is living that the third conductive electrode is located at the electricity
Property polymeric layer back on the side on the surface of the first base material, the third conductive electrode and the layer of electroactive polymer
Electrical connection.Third conductive electrode is used to obtain the numerical value of pressure, and is shown in the vibrations dynamics of feedback.
A kind of touch-control display module, including：
Pressure sensitive touch feedback module as described in any of the above one；And
Display module is stacked at the lower section of the pressure sensitive touch feedback module.
A kind of electronic equipment, including：
Touch-control display module as described above.
Above-mentioned electronic equipment and its touch-control display module are because contain above-mentioned pressure sensitive touch feedback module, therefore phase
For haptic feedback system of the tradition based on vibrations motor, using the pressure sensitive touch feedback mould of layer of electroactive polymer
The occupied space smaller of group, it is smaller, and do not influenced by distance, it is based on electrostatic haptic feedback system compared to tradition
For, tactile when can provide quiescent touch or pressing using the pressure sensitive touch feedback module of layer of electroactive polymer is anti-
Present effect.
Description of the drawings
Fig. 1 is the sectional view of the pressure sensitive touch feedback module in first embodiment；
Fig. 2 is the sectional view of the pressure sensitive touch feedback module in second embodiment；
Fig. 3 is the sectional view of the pressure sensitive touch feedback module in third embodiment；
Fig. 4 is the sectional view of the pressure sensitive touch feedback module in the 4th embodiment；
Fig. 5 is the sectional view of the pressure sensitive touch feedback module in the 5th embodiment；
Fig. 6 is the sectional view of the pressure sensitive touch feedback module in sixth embodiment；
Fig. 7 is the sectional view of the pressure sensitive touch feedback module in the 7th embodiment；
Fig. 8 is the sectional view of the pressure sensitive touch feedback module in the 8th embodiment.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this
The specific implementation mode of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be much to implement different from other manner described here, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific implementation opened.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Each technical characteristic of embodiment described above
It can arbitrarily be combined, to keep description succinct, not to all possible combination of each technical characteristic in above-described embodiment
All be described, as long as however, the combination of these technical characteristics be not present contradiction, be all considered to be this specification record model
It encloses.
Electronic equipment in one embodiment, including touch-control display module.For example, electronic equipment can be mobile phone, tablet
Computer or smartwatch etc..Specifically, touch-control display module includes pressure sensitive touch feedback module and display module, is shown
Show that module is stacked at the lower section of pressure sensitive touch feedback module.
Referring to Fig. 1, the pressure sensitive touch feedback module 100 in first embodiment includes the first base material 110, first
Conductive electrode 120, layer of electroactive polymer 130, the second base material 140 and the second conductive electrode 150.Specifically, the first base material 110
Material with the second base material 140 can be identical, can not also be identical.For example, the two can be PET (poly terephthalic acid second two
Alcohol ester, Polyethylene terephthalate), COP (optical material, Coefficient Of Performance) or
The plastic films such as PMMA (polymethyl methacrylate, polymethyl methacrylate).Thickness 20 μm to 120 μm it
Between, such as 20 μm to 70 μm.
The first base material 110 includes first surface 111 and the second surface 112 back on the setting of first surface 111.First table
Face 111 corresponds to press surface or touch surface as the faying face to fit with other elements, second surface 112.
First conductive electrode 120 is set to the side of first surface 111.First conductive electrode 120 can be, but not limited to
Silver nanowire, metal grill (metal mesh), carbon nanotube, graphene, conducting polymer such as Polyglycolic acid fibre
(PEDOT) and derivative, silver nanowire and conducting polymer mixture, Zinc-oxide-based, tin oxide class, indium oxide class etc. are transparent leads
Electric material.Production method can be the modes such as radium-shine, etching or direct coating.Therefore, the first conductive electrode 120 can direct shape
It, can also be first coating substrate then by being indirectly formed in first by way of being filled in matrix in first surface 111
Surface 111, therefore the first conductive electrode 120 is located at the side of first surface 111.
Layer of electroactive polymer 130 is located at the side of first surface 111, and the first conductive electrode 120 is located at the first base material 110
Between layer of electroactive polymer 130, layer of electroactive polymer 130 is electrically connected with the first conductive electrode 120.Electroactive polymer
(Electro-active Polymers, EAP) layer can change the polymer material of its shape or size under electric field action.
Different from inverse piezoelectric material, dimension that this material will not be as inverse piezoelectric material where in material when being driven by voltage
There are stretching or compression in degree/plane, some electroactive polymer materials will produce induction bending displacement under the excitation of voltage,
It bends to except dimension/plane where material.It adjusts the frequency of driving voltage and vibration frequency and vibrations may be implemented in size
The adjusting of amplitude.Driving voltage is bigger, and vibration frequency is bigger.And EAP material itself is also dielectric material, there is higher resistance value.
The typically electronics of layer of electroactive polymer 130 or ionic EAP material.Specific in present embodiment,
Can be ionic EAP material, such as carbon nanotube, conducting polymer, electricity is to rheological fluid, ionic polymer gel, and ion is poly-
Close object Base Metal composite material etc..
Second base material 140 include third surface 141 and back on third surface 141 be arranged the 4th surface 142, third table
Face 141 is oppositely arranged with first surface 111.
Second conductive electrode 150 is set to the side on third surface 141.Second conductive electrode 150 can be, but not limited to
Silver nanowire, metal grill (metal mesh), carbon nanotube, graphene, conducting polymer such as Polyglycolic acid fibre
(PEDOT) and derivative, silver nanowire and conducting polymer mixture, Zinc-oxide-based, tin oxide class, indium oxide class etc. are transparent leads
Electric material.Production method can be the modes such as radium-shine, etching or direct coating.Therefore, the second conductive electrode 150 can direct shape
It, can also be first coating substrate then by being indirectly formed in third by way of being filled in matrix in third surface 141
Surface 141, therefore the second conductive electrode 150 is located at the side on third surface 141.
Second conductive electrode 150 is between the second base material 140 and layer of electroactive polymer 130, and the second conductive electrode
150 are electrically connected with layer of electroactive polymer 130.When connecing electricity, in the first conductive electrode 120 and the second conductive electrode 150, wherein one
Person is grounded, and another one connects power supply.(it can be schemed not by adhesive-layer between second conductive electrode 150 and layer of electroactive polymer 130
Show) it bonds, so that more firm between each layer.
Above-mentioned pressure sensitive touch feedback module 100 has at least the following advantages：
Layer of electroactive polymer 130 and the first conductive electrode 120 and the second conductive electrode 150 collectively form shaking assembly,
One of which in first conductive electrode 120 and the second conductive electrode 150 connects power supply, another one ground connection, due to electroactive polymerization
Nitride layer 130 can change shape or size under the action of electric field, and induction bending displacement is will produce under the excitation of voltage, bending
To except dimension/plane where layer of electroactive polymer 130.And layer of electroactive polymer 130 itself is also dielectric material, tool
There is larger resistance value, adjusts the frequency of driving voltage and the adjusting of vibration frequency and vibration amplitude, driving electricity may be implemented in size
Pressure is bigger, and vibration frequency is bigger.
When being under pressure, the partial pressure of layer of electroactive polymer 130 increases, therefore generates vibrations.As the pressure increases, electric
The partial pressure of active polymer 130 continues to increase, and vibrating effect increases.Therefore, compared to tactile of the tradition based on vibrations motor
For reponse system, using the 100 occupied space smaller of pressure sensitive touch feedback module of layer of electroactive polymer 130,
It is smaller, and do not influenced by distance, it is based on for electrostatic haptic feedback system compared to tradition, using electroactive polymerization
The pressure sensitive touch feedback module 100 of nitride layer 130 can provide haptic feedback effect when quiescent touch or pressing.
Above-mentioned electronic equipment and its touch-control display module because containing above-mentioned pressure sensitive touch feedback module 100, because
This compared to tradition based on vibrations motor haptic feedback system for, using layer of electroactive polymer 130 pressure sensitive touch
Feel 100 occupied space smaller of feedback module, it is smaller, and do not influenced by distance, compared to tradition based on electrostatic
For haptic feedback system, static touch can be provided using the pressure sensitive touch feedback module 100 of layer of electroactive polymer 130
Haptic feedback effect when touching or pressing.
Referring to Fig. 2, the pressure sensitive touch feedback module 200 in second embodiment is compared in first embodiment
Pressure sensitive touch feedback module 100 for, in addition to living including above-mentioned the first base material 110, the first conductive electrode 120, electricity
Further include first pressure sensitive electrical resistance layer 160 other than property polymeric layer 130, the second base material 140 and the second conductive electrode 150
(Force sensitive resistor, FSR), first pressure sensitive electrical resistance layer 160 be located at the second conductive electrode 150 back on
The surface side of second base material 140, first pressure sensitive electrical resistance layer 160 are electrically connected with the second conductive electrode 150.
Specific in second embodiment, first pressure sensitive electrical resistance layer 160 can be resistance printing ink layer, resistance printing ink layer
The second conductive electrode 150 is formed directly into back on the surface of the second base material 140.First pressure sensitive electrical resistance layer 160 is using electricity
Oil resistance layer of ink, technical maturity are cost-effective.
Therefore, in this second embodiment, first pressure sensitive electrical resistance layer 160 is connected with layer of electroactive polymer 130
It is integrated, one layer of first pressure sensitive electrical resistance layer 160 is increased, therefore when being under pressure, first pressure sensitive electrical resistance layer 160
Resistance value reduces, and the partial pressure of layer of electroactive polymer 130 increases, and then increases vibration amplitude, and sensitivity higher.
Referring to Fig. 3, the pressure sensitive touch feedback module 300 in third embodiment is compared in first embodiment
Pressure sensitive touch feedback module 100 for, in addition to living including above-mentioned the first base material 110, the first conductive electrode 120, electricity
Further include first pressure sensitive electrical resistance layer 160 other than property polymeric layer 130, the second base material 140 and the second conductive electrode 150
(Force sensitive resistor, FSR), first pressure sensitive electrical resistance layer 160 are located at layer of electroactive polymer 130 backwards
In the surface side of the first base material 110, first pressure sensitive electrical resistance layer 160 is electrically connected with layer of electroactive polymer 130.That is, phase
For the pressure sensitive touch feedback module 200 in second embodiment, the position of first pressure sensitive electrical resistance layer 160 is not
Together.
Specific in third embodiment, first pressure sensitive electrical resistance layer 160 can be resistance printing ink layer, resistance printing ink layer
Layer of electroactive polymer 130 is formed directly into back on the surface of the first base material 110.First pressure sensitive electrical resistance layer 160 uses
Resistance printing ink layer, technical maturity are cost-effective.
Therefore, in the third embodiment, first pressure sensitive electrical resistance layer 160 is connected with layer of electroactive polymer 130
It is integrated, one layer of first pressure sensitive electrical resistance layer 160 is increased, therefore when being under pressure, first pressure sensitive electrical resistance layer 160
Resistance value reduces, and the partial pressure of layer of electroactive polymer 130 increases, and then increases vibration amplitude, and sensitivity higher.
Referring to Fig. 4, the pressure sensitive touch feedback module 400 in the 4th embodiment is compared in first embodiment
Pressure sensitive touch feedback module 100 for, in addition to living including above-mentioned the first base material 110, the first conductive electrode 120, electricity
Other than property polymeric layer 130, the second base material 140 and the second conductive electrode 150, further include first pressure sensitive electrical resistance layer 160 and
Second pressure sensitive electrical resistance layer 170.
First pressure sensitive electrical resistance layer 160 is located at layer of electroactive polymer 130 back on the one of the surface of the first base material 110
Side, first pressure sensitive electrical resistance layer 160 are electrically connected with layer of electroactive polymer 130.Second pressure sensitive electrical resistance layer 170 is located at the
For two conductive electrodes 150 back on the side on the surface of the second base material 140, second pressure sensitive electrical resistance layer 170 and the second conduction are electric
Pole 150 is electrically connected.There is air space between first pressure sensitive electrical resistance layer 160 and second pressure sensitive electrical resistance layer 170
180。
Specific in the 4th embodiment, first pressure sensitive electrical resistance layer 160 and second pressure sensitive electrical resistance layer 170
Think resistance printing ink layer, resistance printing ink layer be formed directly into layer of electroactive polymer 130 back on the surface of the first base material 110 or
Second conductive electrode 150 is back on the surface of the second base material 140.First pressure sensitive electrical resistance layer 160 and second pressure sensitive electrical
Resistance layer 170 uses resistance printing ink layer, technical maturity cost-effective.
Therefore, in the fourth embodiment, by first pressure sensitive electrical resistance layer 160, second pressure sensitive electrical resistance layer 170 with
The series connection of layer of electroactive polymer 130 is integrated, increases one layer of first pressure sensitive electrical resistance layer 160 and one layer of second pressure sensitive electrical
Resistance layer 170, and there is air space 180, when being under pressure, first pressure sensitive electrical resistance layer 160 and second between the two
The resistance value of presser sensor resistive layer 170 reduces, and the partial pressure of layer of electroactive polymer 130 increases, and then increases vibration amplitude, and spirit
Sensitivity higher.
Referring to Fig. 5, the pressure sensitive touch feedback module 500 in the 5th embodiment is compared in first embodiment
Pressure sensitive touch feedback module 100 for, in addition to living including above-mentioned the first base material 110, the first conductive electrode 120, electricity
Property polymeric layer 130, the second base material 140 and the second conductive electrode 150 other than, further include third conductive electrode 190 and first press
Power sensitive electrical resistance layer 160.
Third conductive electrode 190 is located at layer of electroactive polymer 130 back on the side on the surface of the first base material 110, and
Three conductive electrodes 190 are electrically connected with layer of electroactive polymer 130, and first pressure sensitive electrical resistance layer 160 is located at the second conductive electrode
150 back on the surface of the second base material 140 side, first pressure sensitive electrical resistance layer 160 is electrically connected with the second conductive electrode 150
It connects.
Third conductive electrode 190 can be, but not limited to be silver nanowire, metal grill (metal mesh), carbon nanotube,
Graphene, conducting polymer such as Polyglycolic acid fibre (PEDOT) and derivative, silver nanowire and conducting polymer mixture,
The transparent conductive materials such as Zinc-oxide-based, tin oxide class, indium oxide class.Production method can be radium-shine, etching or directly coating etc.
Mode.Therefore, third conductive electrode 190 can be formed directly into layer of electroactive polymer 130 back on the first base material 110 table
Face, can also be first coating substrate then by being indirectly formed in layer of electroactive polymer 130 by way of being filled in matrix
Back on the surface of the first base material 110, therefore third conductive electrode 190 is located at layer of electroactive polymer 130 back on the first base
The side on the surface of material 110.
Specific in the 5th embodiment, first pressure sensitive electrical resistance layer 160 can be resistance printing ink layer, resistance printing ink layer
The second conductive electrode 150 is formed directly into back on the surface of the second base material 140.First pressure sensitive electrical resistance layer 160 is using electricity
Oil resistance layer of ink, technical maturity are cost-effective.
Therefore, in the 5th embodiment, first pressure sensitive electrical resistance layer 160 is connected with layer of electroactive polymer 130
It is integrated, and third conductive electrode 190 is increased, third conductive electrode 190 is used to obtain the numerical value of pressure, and is shown in feedback
In vibrations dynamics.When being under pressure, the resistance value of first pressure sensitive electrical resistance layer 160 reduces, point of layer of electroactive polymer 130
Pressure increases, and then increases vibration amplitude, and sensitivity higher.
Referring to Fig. 6, the pressure sensitive touch feedback module 600 in sixth embodiment is compared in first embodiment
Pressure sensitive touch feedback module 100 for, in addition to living including above-mentioned the first base material 110, the first conductive electrode 120, electricity
Property polymeric layer 130, the second base material 140 and the second conductive electrode 150 other than, further include third conductive electrode 190 and first press
Power sensitive electrical resistance layer 160.
Third conductive electrode 190 is located at layer of electroactive polymer 130 back on the side on the surface of the first base material 110, and
Three conductive electrodes 190 are electrically connected with layer of electroactive polymer 130, and first pressure sensitive electrical resistance layer 160 is located at third conductive electrode
190 back on the surface of layer of electroactive polymer 130 side, first pressure sensitive electrical resistance layer 160 and third conductive electrode 190
Electrical connection.That is, for compared to the pressure sensitive touch feedback module 100 in the 5th embodiment, first pressure sensitive resistance
The installation position of layer 160 is different.
Third conductive electrode 190 can be, but not limited to be silver nanowire, metal grill (metal mesh), carbon nanotube,
Graphene, conducting polymer such as Polyglycolic acid fibre (PEDOT) and derivative, silver nanowire and conducting polymer mixture,
The transparent conductive materials such as Zinc-oxide-based, tin oxide class, indium oxide class.Production method can be radium-shine, etching or directly coating etc.
Mode.Therefore, third conductive electrode 190 can be formed directly into layer of electroactive polymer 130 back on the first base material 110 table
Face, can also be first coating substrate then by being indirectly formed in layer of electroactive polymer 130 by way of being filled in matrix
Back on the surface of the first base material 110, therefore third conductive electrode 190 is located at layer of electroactive polymer 130 back on the first base
The side on the surface of material 110.
Specific in sixth embodiment, first pressure sensitive electrical resistance layer 160 can be resistance printing ink layer, resistance printing ink layer
Third conductive electrode 190 is formed directly into back on the surface of layer of electroactive polymer 130.First pressure sensitive electrical resistance layer 160
Using resistance printing ink layer, technical maturity is cost-effective.
Therefore, in sixth embodiment, first pressure sensitive electrical resistance layer 160 is connected with layer of electroactive polymer 130
It is integrated, and third conductive electrode 190 is increased, third conductive electrode 190 is used to obtain the numerical value of pressure, and is shown in feedback
In vibrations dynamics.When being under pressure, the resistance value of first pressure sensitive electrical resistance layer 160 reduces, point of layer of electroactive polymer 130
Pressure increases, and then increases vibration amplitude, and sensitivity higher.
Referring to Fig. 7, the pressure sensitive touch feedback module 700 in the 7th embodiment is compared in first embodiment
Pressure sensitive touch feedback module 100 for, in addition to living including above-mentioned the first base material 110, the first conductive electrode 120, electricity
Further include third conductive electrode 190, first pressure other than property polymeric layer 130, the second base material 140 and the second conductive electrode 150
Sensitive electrical resistance layer 160 and second pressure sensitive electrical resistance layer 170.
Third conductive electrode 190 is located at layer of electroactive polymer 130 back on the side on the surface of the first base material 110, and
Three conductive electrodes 190 are electrically connected with layer of electroactive polymer 130.Third conductive electrode 190 can be, but not limited to be silver nanowire,
Metal grill (metal mesh), carbon nanotube, graphene, conducting polymer such as Polyglycolic acid fibre (PEDOT) and derivative
The transparent conductive materials such as object, silver nanowire and conducting polymer mixture, Zinc-oxide-based, tin oxide class, indium oxide class.Making side
Formula can be the modes such as radium-shine, etching or direct coating.Therefore, third conductive electrode 190 can be formed directly into electroactive poly-
Nitride layer 130 is closed back on the surface of the first base material 110, first coating substrate and then the side by being filled in matrix can also be passed through
Formula is indirectly formed in layer of electroactive polymer 130 back on the surface of the first base material 110, therefore third conductive electrode 190 is located at
Side of the layer of electroactive polymer 130 back on the surface of the first base material 110.
First pressure sensitive electrical resistance layer 160 is located at third conductive electrode 190 back on the surface of layer of electroactive polymer 130
Side, first pressure sensitive electrical resistance layer 160 is electrically connected with third conductive electrode 190.Second pressure sensitive electrical resistance layer 170 is located at
Second conductive electrode 150 is back on the side on the surface of the second base material 140, second pressure sensitive electrical resistance layer 170 and second conductive
Electrode 150 is electrically connected.There is air space between first pressure sensitive electrical resistance layer 160 and second pressure sensitive electrical resistance layer 170
180。
Specific in the 7th embodiment, first pressure sensitive electrical resistance layer 160 and second pressure sensitive electrical resistance layer 170
Think that resistance printing ink layer, resistance printing ink layer are formed directly into third conductive electrode 190 back on the table of layer of electroactive polymer 130
Face or the second conductive electrode 150 are back on the surface of the second base material 140.First pressure sensitive electrical resistance layer 160 and second pressure are quick
Electrification resistance layer 170 uses resistance printing ink layer, technical maturity cost-effective.
Therefore, in the 7th embodiment, by first pressure sensitive electrical resistance layer 160, second pressure sensitive electrical resistance layer 170 with
The series connection of layer of electroactive polymer 130 is integrated, increases one layer of first pressure sensitive electrical resistance layer 160 and one layer of second pressure sensitive electrical
Resistance layer 170, and there is air space 180, when being under pressure, first pressure sensitive electrical resistance layer 160 and second between the two
The resistance value of presser sensor resistive layer 170 reduces, and the partial pressure of layer of electroactive polymer 130 increases, and then increases vibration amplitude, and spirit
Sensitivity higher.Third conductive electrode 190 is used to obtain the numerical value of pressure, and is shown in the vibrations dynamics of feedback.
Referring to Fig. 8, the pressure sensitive touch feedback module 800 in the 8th embodiment is compared in first embodiment
Pressure sensitive touch feedback module 100 for, can also be compared to the pressure in first embodiment in addition to including above-mentioned
Incude for touch feedback module 100, the first base material 110, the first conductive electrode 120, layer of electroactive polymer 130, the second base
Further include third conductive electrode 190, third conductive electrode 190 is for obtaining pressure other than material 140 and the second conductive electrode 150
Numerical value, and be shown in the vibrations dynamics of feedback.
Third conductive electrode 190 is located at layer of electroactive polymer 130 back on the side on the surface of the first base material 110, and
Three conductive electrodes 190 are electrically connected with layer of electroactive polymer 130.Third conductive electrode 190 can be, but not limited to be silver nanowire,
Metal grill (metal mesh), carbon nanotube, graphene, conducting polymer such as Polyglycolic acid fibre (PEDOT) and derivative
The transparent conductive materials such as object, silver nanowire and conducting polymer mixture, Zinc-oxide-based, tin oxide class, indium oxide class.Making side
Formula can be the modes such as radium-shine, etching or direct coating.Therefore, third conductive electrode 190 can be formed directly into electroactive poly-
Nitride layer 130 is closed back on the surface of the first base material 110, first coating substrate and then the side by being filled in matrix can also be passed through
Formula is indirectly formed in layer of electroactive polymer 130 back on the surface of the first base material 110, therefore third conductive electrode 190 is located at
Side of the layer of electroactive polymer 130 back on the surface of the first base material 110.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of pressure sensitive touch feedback module, which is characterized in that including：
The first base material, including first surface and the second surface back on first surface setting；
First conductive electrode is set to the side of the first surface；
Layer of electroactive polymer, be located at the first surface side, first conductive electrode be located at the first base material and
Between the layer of electroactive polymer, the layer of electroactive polymer is electrically connected with first conductive electrode；
Second base material, including third surface and the 4th surface that is arranged back on the third surface, the third surface and institute
First surface is stated to be oppositely arranged；And
Second conductive electrode, is set to the side on the third surface, second conductive electrode be located at second base material with
Between the layer of electroactive polymer, and second conductive electrode is electrically connected with the layer of electroactive polymer.
2. pressure sensitive touch feedback module according to claim 1, which is characterized in that further include first pressure sensitive electrical
Resistance layer, the first pressure sensitive electrical resistance layer are located at second conductive electrode back on the one of the surface of second base material
Side, the first pressure sensitive electrical resistance layer are electrically connected with second conductive electrode.
3. pressure sensitive touch feedback module according to claim 1, which is characterized in that further include first pressure sensitive electrical
Resistance layer, the first pressure sensitive electrical resistance layer are located at the layer of electroactive polymer back on the one of the surface of the first base material
Side, the first pressure sensitive electrical resistance layer are electrically connected with the layer of electroactive polymer.
4. pressure sensitive touch feedback module according to claim 1, which is characterized in that further include first pressure sensitive electrical
Resistance layer and second pressure sensitive electrical resistance layer, the first pressure sensitive electrical resistance layer are located at the layer of electroactive polymer back on institute
The side on the surface of the first base material is stated, the first pressure sensitive electrical resistance layer is electrically connected with the layer of electroactive polymer, described
Second pressure sensitive electrical resistance layer is located at second conductive electrode back on the side on the surface of second base material, and described second
Presser sensor resistive layer is electrically connected with second conductive electrode, and the first pressure sensitive electrical resistance layer and the second pressure are quick
There is air space between electrification resistance layer.
5. pressure sensitive touch feedback module according to claim 1, which is characterized in that further include third conductive electrode and
First pressure sensitive electrical resistance layer, the third conductive electrode are located at the layer of electroactive polymer back on the first base material
The side on surface, the third conductive electrode are electrically connected with the layer of electroactive polymer, the first pressure sensitive electrical resistance layer
Positioned at second conductive electrode back on the side on the surface of second base material, the first pressure sensitive electrical resistance layer and institute
State the electrical connection of the second conductive electrode.
6. pressure sensitive touch feedback module according to claim 1, which is characterized in that further include third conductive electrode and
First pressure sensitive electrical resistance layer, the third conductive electrode are located at the layer of electroactive polymer back on the first base material
The side on surface, the third conductive electrode are electrically connected with the layer of electroactive polymer, the first pressure sensitive electrical resistance layer
The side on the surface positioned at the third conductive electrode back on the layer of electroactive polymer, the first pressure sensitive resistance
Layer is electrically connected with the third conductive electrode.
7. pressure sensitive touch feedback module according to claim 1, which is characterized in that further include third conductive electrode,
First pressure sensitive electrical resistance layer and second pressure sensitive electrical resistance layer, the third conductive electrode are located at the layer of electroactive polymer
Back on the side on the surface of the first base material, the third conductive electrode is electrically connected with the layer of electroactive polymer, institute
The side that first pressure sensitive electrical resistance layer is located at surface of the third conductive electrode back on the layer of electroactive polymer is stated,
The first pressure sensitive electrical resistance layer is electrically connected with the third conductive electrode, and the second pressure sensitive electrical resistance layer is located at described
Second conductive electrode back on the side on the surface of second base material, with described second lead by the second pressure sensitive electrical resistance layer
Electrode is electrically connected, and has airspace between the first pressure sensitive electrical resistance layer and the second pressure sensitive electrical resistance layer
Layer.
8. pressure sensitive touch feedback module according to claim 1, which is characterized in that further include third conductive electrode,
The third conductive electrode is located at the side on surface of the layer of electroactive polymer back on the first base material, the third
Conductive electrode is electrically connected with the layer of electroactive polymer.
9. a kind of touch-control display module, which is characterized in that including：
Pressure sensitive touch feedback module as claimed in any of claims 1 to 8 in one of claims；And
Display module is stacked at the lower section of the pressure sensitive touch feedback module.
10. a kind of electronic equipment, which is characterized in that including：
Touch-control display module as claimed in claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721905175.2U CN207799617U (en) | 2017-12-29 | 2017-12-29 | Electronic equipment, touch-control display module and its pressure sensitive touch feedback module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323782A (en) * | 2018-10-26 | 2019-02-12 | 河北工业大学 | A kind of non-array formula super capacitor formula touch sensor and application |
-
2017
- 2017-12-29 CN CN201721905175.2U patent/CN207799617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323782A (en) * | 2018-10-26 | 2019-02-12 | 河北工业大学 | A kind of non-array formula super capacitor formula touch sensor and application |
| CN109323782B (en) * | 2018-10-26 | 2023-09-08 | 河北工业大学 | Non-array super-capacitor type touch sensor and application thereof |
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