CN110109566A - A kind of touch device with force snesor - Google Patents
A kind of touch device with force snesor Download PDFInfo
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- CN110109566A CN110109566A CN201910326592.9A CN201910326592A CN110109566A CN 110109566 A CN110109566 A CN 110109566A CN 201910326592 A CN201910326592 A CN 201910326592A CN 110109566 A CN110109566 A CN 110109566A
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- Prior art keywords
- transparent
- pressure
- inductive layer
- spacer
- force snesor
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
Abstract
The present invention provides a kind of touch devices with force snesor, including transparent upper and transparent lower substrate, there are gaps between the transparent upper and the transparent lower substrate, the line of induction and driving line are equipped in the gap, it is additionally provided with one or more pressure sensors and accommodates transparent fluid, the present invention realizes position touch-control and power sensing function by new touch-control structure design and wiring method.Transparent fluid can reduce reflection, and enhancing transmission provides exclusive texture experience for user, is conducive to inductive layer and restores to the original state rapidly, and realization is quickly repeatedly input, and reduces the loss in use in relation to component.The present invention effectively reduces device and is taken up space, the surface of electronic device can also will be arranged in inductive layer with strong sensing function component, avoid Force sensor and need to be located at other component deformation above Force sensor in the Shi Li input process of electronic device bottom come the shortcomings that transferring the pressure to Force sensor.
Description
Technical field
The present invention relates to a kind of touch devices, in particular it relates to a kind of touch-control dress with power sensing function
It sets.
Background technique
In order to realize 3D touch-control, through in conventional touch device induction arrays and drive array sensing close to object, example
The position of user's finger or stylus in the plane is such as sensed, and by force snesor sensing perpendicular to the pressure in the direction of panel
Power, to realize 3D touch-control sensing.This can not only incude the position of user's input, moreover it is possible to dynamics be incuded, for the diversity of input
More dimensions are provided.
Existing many touch screens with power inducing function or the Trackpad on laptop, are designed with force snesor
Sense the dynamics of the input order of touch-control.These force snesors are usually provided in the bottom or periphery of device.User is by using finger
Pressing is inputted, the deformation of sensor meeting sensing device or the change of stress, to measure strength.These dynamics letter
Breath can be used for different aspect, such as promote the input experience of user, if can with different dynamics inputs in same interface position
Obtain different feedbacks etc..
General force snesor includes the shapes such as different type, such as condenser type, inductance type, resistance-type, magnetism, optics, sound wave
The force snesor of formula.The existing design with force snesor occupies more space mostly, and needs during measuring force
It is realized by the deformation of solid part, this may make to be permanently deformed in frequent or use firmly in relation to component, or even damage
It is bad.It is some in the prior art, for example when force snesor is installed on the bottom or middle section close to device, so that power is transmitted to power
Sensor partially generates deformation before needing device, and the component of part is often not suitable for squeezing by bending before these devices, so
Long-term touch-control bring adverse effect to be even lost using meeting to component.Therefore, it is necessary to invent one kind to make deformation fast after input
Quick-recovery, while volume is smaller, and has the 3D induction structure of high-transmittance.
Summary of the invention
The present invention relates to a kind of inductive layer of touch-control, the inductive layer includes transparent upper and transparent lower substrate, institute
It states between transparent upper and the transparent lower substrate that there are gaps, a plurality of line of induction and a plurality of driving is equipped in the gap
Line is additionally provided with one or more force snesors in the gap, and the gap seals accommodate transparent fluid, and the power passes
Sensor is pressure sensor, and the inductive layer is set as being risen by transparent fluid pressure when external force, and the force snesor, which is pressurized, to be produced
Raw signal.
According to an aspect of the present invention, sealing element is equipped between the transparent upper and transparent lower substrate, it is described transparent
The confined space that upper substrate, the transparent lower substrate and the sealing element are formed accommodates the transparent fluid.
According to an aspect of the present invention, the inductive layer is arranged to be depressed in the transparent upper, it is described it is transparent on
The pressurized zone of substrate to lower recess, the pressurized zone of the transparent upper at a distance from the transparent lower substrate with and subtract
It is small；When pressure is drawn back/eliminated, the distance between the pressurized zone of the transparent upper and the transparent lower substrate restore former
Value.
According to an aspect of the present invention, the inductive layer further includes multiple spacers, upper part and the institute of the spacer
The lower surface connection of transparent upper is stated, and the lower part of the spacer is connect with the upper surface of the transparent lower substrate, and
By extraneous pressure, the spacer vertically compresses simultaneously, until the compressive region of the transparent upper
The distance between domain and the transparent lower substrate under extraneous pressure because minimizing；Then when extraneous pressure is drawn back/eliminated, institute
The counteragent for stating transparent fluid and the spacer is greater than external power, and the spacer can restore origin-location and state, so that
The distance between the pressurized zone of the transparent upper and the transparent lower substrate restore initial value.
According to an aspect of the present invention, the spacer is set to the top of force snesor, and its underpart and force snesor connect
It connects, the inner surface connection of top and transparent upper.
According to an aspect of the present invention, the spacer includes the first spacer and the second spacer, and the first spacer exists
On longitudinal direction, the top of force snesor is not set to force snesor, driving line and induction line overlap, the second spacer.
According to an aspect of the present invention, the inductive layer setting are as follows: if the force snesor surpasses because of the signal generated that is pressurized
Preset threshold is crossed, then is considered as effective force input, the intensity of effective force input is associated with the signal of the force snesor.
According to an aspect of the present invention, multiple spacers limit pressure transmission region, fall in the external pressure in the pressure transmission region
The signal that power generates the force snesor being located in the pressure transmission region is better than other power other than the pressure transmission region and passes
Sensor.
According to an aspect of the present invention, the line of induction and the driving line be respectively arranged on the transparent upper with it is described
On the opposite surface of transparent lower substrate or the induction linear array and the driving linear array be set to simultaneously the upper substrate or
One in the opposite surface of transparent lower substrate, and the induction linear array and the driving linear array are mutually orthogonal and exhausted
Edge.
It is related to a kind of touch device with the inductive layer according to an aspect of the present invention, the touch device has sense
Answer layer, display panel, backlight and frame.
Compared with prior art, the beneficial effects of the present invention are: pass through new touch-control structure design and wiring method, it is real
Existing position touch-control and power sensing function.Transparent fluid not only makes inductive layer have more preferably optical appearance, reduces reflection, and enhancing is saturating
It penetrates, in addition exclusive texture experience is provided when touch-control inputs for user, it is fast to be conducive to inductive layer during touch-control input
Quick-recovery original state, realization are quickly repeatedly input, and reduce the loss in use in relation to component.The design it is ingenious by position touch-control and
Power sensing combines in inductive layer, effectively reduces device and is taken up space, using the wiring method of such design, enables related concept
It realizes.The surface of electronic device can also will be arranged in inductive layer of the invention with strong sensing function component, rather than perhaps
Force sensor is generally set to the bottom or periphery of electronic device by more prior arts.On the one hand, Force sensor is avoided to set
The other component deformation being located above Force sensor is needed to pass pressure in the Shi Li input process of electronic device bottom
On the other hand the shortcomings that being delivered to Force sensor avoids occupying when Force sensor is set to the periphery of electronic device additional empty
Between.
Detailed description of the invention
Fig. 1 a is a kind of structural schematic diagram of inductive layer of the present invention；
Fig. 1 b is a kind of stress diagram of inductive layer of the present invention；
Fig. 2 a is a kind of structural schematic diagram for the inductive layer that the present invention has force snesor；
Fig. 2 b is a kind of stress diagram for the inductive layer that the present invention has force snesor；
Fig. 3 a is a kind of structural schematic diagram for the inductive layer that the present invention has spacer；
Fig. 3 b is a kind of stress diagram for the inductive layer that the present invention has spacer；
Fig. 4 a is the internal structure top view of the inductive layer in Fig. 1 a and Fig. 1 b；
Fig. 4 b is the internal structure top view of the inductive layer in Fig. 2 a and Fig. 2 b；
Fig. 4 c is the effect picture not incuded by other regions under stress of the present invention；
Fig. 4 d is to be incuded under stress of the present invention by other regions but be no more than the effect picture of threshold value；
Fig. 4 e is the effect picture incuded when stress point of the present invention is located on a spacer；
Another implementation example figure of Fig. 5 a inductive layer of the present invention；
Fig. 5 b is the internal structure chart of inductive layer in Fig. 5 a；
Fig. 6 shows a kind of touch device with the inductive layer.
In figure: 20, inductive layer；21, transparent upper；22, transparent lower substrate；23, gap；30, display panel；40, it carries on the back
Light source；50, frame；60, sealing element；71, the line of induction；72, line is driven；80, force snesor；Force snesor in 80a, region A；
Force snesor in 80b, region B；Force snesor in 80c, region C；90, spacer；90a, spacer one；90d, spacer
Two；100, touch device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is a kind of induction structure with force snesor 80 involved in subject of the present invention, the induction structure is mountable
In an electronic, the inductively form of layer 20.These electronic devices are in addition to inductive layer 20, and there are also cover boards and outline border, and some is also
Purposes including display screen or other component, depending on electronic device.Inductive layer 20 can realize the touch-control sense of known touch device
Function is answered, can be capacitive induction layer, data linear array and array of scan lines are equipped with, for sensing user relative to inductive layer
The position of the 20 input instructions made.The inductive layer 20 is additionally provided with force snesor 80, can sense user and input in touch-control
When dynamics, especially longitudinal dynamics, cooperation position sensing function, may be implemented 3D sensing.
Inductive layer 20 has a transparent substrate, including transparent upper 21 and transparent lower substrate 22, transparent upper 21 and thoroughly
There are gaps 23 between bright lower substrate 22.Transparent substrate can be made of glass or other suitable transparent materials, be flat knot
Structure.The gap 23 is sealed set, accommodates transparent fluid.The structure setting of inductive layer 20, will not be right at high transparency
Passing through for backlight has too big influence.In the design, transparent fluid fills up gap 23, when not being pressurized transparent upper 21 with it is transparent
There are certain predetermined distances between lower substrate 22.Under some cases of the invention, transparent upper 21 and transparent lower base are constituted
The material of plate 22 is rigid, in other cases, such as when the thinner thickness of substrate, a degree of having by pressure
Bending deformation, material used such as glass have certain restorability in pressing, and the substrate is also opened up in this case
Show that certain flexible speciality, this flexibility can be based on baseplate material itself, can also be the thickness based on substrate.In addition, using closing
Suitable sealing element 60 is sealed the gap 23 between transparent upper 21 and transparent lower substrate 22, such as sealing element 60 is set
The marginal position between transparent upper 21 and transparent lower substrate 22 is set, prevents transparent fluid from flowing out.Of the invention multiple
In embodiment, sealing element 60 is made of one or more components, these components can be rigid or flexible, Huo Zheyi
Section components are rigid, and another part component is made of elastic (i.e. at least part is by elastic material), in compression situation
Lower deformation, and original state can be returned after pressure removal.It is fixed at a distance from transparent upper 21 is between transparent lower substrate 22
In the case of, sealing element 60 is preferably rigidity, and has good sealing function.Transparent fluid can be fluid or liquid crystal,
It and is light transmission and non-conductive, in addition to this other available transparent fluids are also possible to oil or liquid glue.
In one embodiment, the inductive layer 20 is limited by transparent upper 21, transparent lower substrate 22 and sealing element 60
A fixed gap 23, transparent fluid fill up the gap 23.The inductive layer 20 is additionally provided with a plurality of induction for touch area
Line 71, a plurality of driving line 72 and multiple force sensors 80, the multiple force snesor 80 are applied to inductive layer 20 for sensing
Extraneous pressure, the pressure at right angle of transparent upper 21 is especially fallen within from top.The multiple force snesor 80 is arranged to
It is not Chong Die with the line of induction 71 and driving line 72 in vertical direction, wiring can also be made convenient and reduce inductive layer 20 in vertical direction
On thickness.There are transparent fluids in the gap 23, are conducive to the deformation extent of transparent upper 21 when control pressing, and have
Transparent upper 21 is helped quickly to restore to the original state after pressure elimination.
Fig. 1 a shows a kind of structure of inductive layer 20 of the present invention, and inductive layer 20 includes transparent upper 21, thoroughly
Bright lower substrate 22.There are gaps 23 between transparent upper 21 and transparent lower substrate 22.Transparent upper 21 and transparent lower substrate
There are connecting component between 22, connecting component is separately connected transparent upper 21 and transparent lower substrate 22, can be by one or more
Component composition.In the present embodiment, connecting component is to be sealed part 60.It is shown in Fig. 1 a and is sealed the setting of part 60 in transparent upper
Marginal portion between 21 and transparent lower substrate 22, the i.e. edge around transparent upper 21 and transparent lower substrate 22, against
The edge setting of two pieces of opposite inner surfaces of substrate 21,22.It is sealed part 60 and is closely coupled to transparent upper 21 and transparent lower base
Plate 22 is realized gap 23 substantially and is isolated from the outside.Sealing element 60 in Fig. 1 a is a whole part, but can also be using having
The sealing element of multiple tight junctions parts.Inductive layer 20 is additionally provided with transparent fluid, and the transparent fluid is present in transparent upper
Between 21 and transparent lower substrate 22, that is, it is present in gap 23.Transparent upper 21 and transparent lower substrate 22 add sealing element 60
Transparent fluid is accommodated, so that it will not externally be lost.
The a plurality of line of induction 71 and a plurality of driving line 72 (i.e. induction linear array and driving linear array) are additionally provided in gap.Figure
In the line of induction 71 be set to surface of the transparent upper 21 relative to transparent lower substrate 22 on (the i.e. inner surface of transparent upper 21
On), and drive line 72 be set to surface of the transparent lower substrate 22 relative to transparent upper 21 on (i.e. transparent lower substrate 22 is interior
On surface).It is parallel to each other between a plurality of line of induction 71, parallel to each other between a plurality of driving line 72, the line of induction 71 and driving line 72
It is mutually orthogonal.But the present invention is not limited to there was only this wiring method.Inductive layer 20 is additionally provided with multiple force sensors 80, is set to transparent
On the inner surface of lower substrate 22.Two force snesors 80 are merely illustrated in figure, it is understood that this is not that constraining force passes
The quantity of sensor 80, but facilitate the arranged for showing force snesor 80.It can be seen that multiple force sensors 80 are arranged in driving line
Between 72, it is placed on same inner surface with driving line 72.Multiple force sensors 80 are configured to detection pressure, especially
Detect the pressure from outside, such as the external pressure come from the direction above transparent upper 21.
Force snesor 80 can be pressure sensor, for example, can be resistance sensor, piezoelectric transducer or other
Suitable pressure sensor.Pressure sensor includes sensing element, can be deformed when the sensing element is pressurized or by stress,
Resistance, charge and/or other parameters can change, to generate corresponding voltage or current signal.Pass through the intensity of signal
Variation, can calculate the intensity of sensing element pressure.Force snesor 80 may connect to processor, and processor stores and believes
Number corresponding pressure data of Strength Changes.The corresponding intensity of pressure can be obtained by signal detected.In detail, external pressure
Power is transmitted in transparent upper 21, and pressure is transmitted to force snesor 80 through transparent fluid from transparent upper 21.Such as figure
Shown in 1b, external force transfers the pressure to transparent upper 21, such as external force finger from the user or other touch-control input tools.
Under pressure P effect, the pressurized zone of transparent upper 21 is to lower recess, the pressurized zone of transparent upper 21 and transparent lower base
The distance of plate 22 reduces therewith, such as: when not being pressurized force snesor 80 between transparent upper 21 at a distance from be D1, by
The distance between the force snesor 80 of the pressurized zone of transparent upper 21 is reduced to D2 after pressure.Pressure after transparent fluid is pressurized
Rise, press to force snesor 80, force snesor 80 generates signal under stress, and force snesor 90 is connected to processor, processing
Device is calculated by the signal that force snesor 80 generates and obtains pressure intensity.In this case, force snesor 80 needs school
Quasi- or its signal generated needs converted processing, because transparent fluid can be fluid, liquid crystal or other suitable species,
The metamorphosis transparent fluid caused by pressure is dynamically, in addition used force snesor 80 itself with interacting for other component
Characteristic, the signal of extraneous pressure and force snesor 80 is not necessarily linear relationship.Therefore need using preceding determining pressure with
The relationship of 80 signal of force snesor, so that making the signal of force snesor 80 be converted to corresponding pressure value by processor.The pressure
Force value can refer to the pressure value being applied in transparent upper 21.Preferably, under normal conditions (in the case where not being pressurized), thoroughly
Free flow body fills up gap 23, this indicates to there is no space in gap 23.It is applied in transparent upper when external force, it is transparent
To lower recess, the distance between the pressurized zone of transparent upper 21 and transparent lower substrate 22 subtract the pressurized zone of upper substrate 21
It is small, and external power applies pressure to transparent fluid by transparent upper 21, pressure transfers to be transmitted to force snesor through transparent fluid,
Partial pressure is transmitted to the force snesor of lower section/neighbouring by transparent fluid especially below pressurized zone.
In addition, as shown in Figure 2 a, inductive layer 20 further includes multiple spacers 90.Spacer 90 can be by that can deform under stress
Material be made.Multiple spacers 90 are arranged between the line of induction 71 and drive between line 72, can be distributed with different pattern,
It can be evenly distributed.The upper part of spacer 90 is connect with the lower surface of transparent upper 21, and the lower part of spacer 90 with
The upper surface of transparent lower substrate 22 connects.Multiple spacers 90 in vertical direction, not with force snesor, the line of induction 71 and driving
Line 72 is overlapped.Spacer 90 is cylindrical, and cross section in vertical direction is in figure, square or other shapes.In Fig. 3 a
The section of transparent upper 21, transparent lower substrate 22, driving line 72,80 sum of force snesor is basically illustrated, the section is located at
Same plane.And the line of induction 71 and spacer 90 are also shown in figure, but the two is not located at same plane in above-mentioned section, i.e.,
It is located at the section rear according to the line of induction 71 shown in figure, and spacer 90 is located at 71 rear of the line of induction, each component
Relative position Fig. 4 a top view can understand show.
As shown in Figure 2 b, under stress, to moving down, multiple spacers 90 are compressed transparent upper 21 under stress.Between
Spacing body 90 can limit between transparent upper 21 and transparent lower substrate 22 (when not applying pressure) together with sealing element under normal conditions
Distance.In the case where compression, spacer 90 vertically compresses, and sealing element 60 is substantially inflexible.In a level pressure
Under power, 90 compressive deformation of spacer minimizes until the distance between transparent upper 21 and transparent lower substrate 22, at this point, thoroughly
The power and external power of the external power of the confrontation of free flow body and spacer 90 reach balance.Then, when extraneous pressure is drawn back/eliminated,
The counteragent of transparent fluid and spacer 90 is greater than external power, and spacer 90 can restore origin-location and state, so that on transparent
The distance between substrate 21 and transparent lower substrate 22 restore initial value.Transparent fluid and spacer 90 in a deformed state can respectively to
Transparent upper 21 and transparent lower substrate 22 exert a force, and since inductive layer 20 is substantially fixed (especially transparent lower substrate
22 relative to transparent upper 21 be fixed), transparent fluid and spacer 90 can counter pressure source, only allow transparent upper 21
Script position is returned to, without moving transparent lower substrate 22.Therefore when extraneous pressure disappears, spacer 90 and transparent fluid
Transparent upper 21 can be pushed back script position.It can be right to adjust inductive layer 20 by the density of setting spacer 90 and material etc.
The reaction of extraneous pressure.Such as when the density that spacer 90 is arranged on substrate is higher, then stronger extraneous pressure ability is needed
Inductive layer 20 is set to obtain the deformation of same magnitude.
Fig. 4 a shows the internal junction of the inductive layer 20 in the embodiment of Fig. 1 a and Fig. 1 b from the top of inductive layer 20
Structure.The arrangement of force snesor 80 is shown in figure as an example.Multiple power are provided between the line of induction between driving line to pass
Sensor forms every four force snesors wherein being separated by two lines of induction between each force snesor or being separated by two driving lines
Square arrangement.Force snesor 80 positioned at inductive layer edge, which is located at, is separated by two driving lines or two lines of induction with edge
Position.It can also be with other suitable method arrangement interval parts 90.In fact, with every two lines of induction or driving line setting one
A force snesor 80 is the schematic diagram for facilitating corresponding diagram 1a.It should be understood that in actual operation, phase between force snesor 80
The line of induction answered or driving line can be other numbers, tend to greater number in practice, e.g. every 6 or 6 with
On.The line of induction that force snesor 80 is separated by and driving line are also possible to different, such as are often separated by 6 lines of induction and are arranged one
Force snesor 80 and often it is separated by two driving lines one force snesor 80 is set.Fig. 4 b is shown from the top of inductive layer 20
The internal structure of inductive layer 20 in the embodiment of Fig. 2 a and Fig. 2 b.It is the arrangement of force snesor 80 that Fig. 4 a is identical with Fig. 4 b
Furthermore mode also shows the arrangement of spacer 90 as an example in figure.It can be seen that every two driving lines and every two in figure
One spacer 90 is set between the line of induction, and the position of spacer 90 and the position of force snesor 80 alternate, so that
Every four spacers surround a sensor 80.
Fig. 3 a shows another embodiment of the invention, with the embodiment of Fig. 2 a and Fig. 2 b be designed with force snesor 80 and
Spacer 90, but the set-up mode of spacer 90 is different.It can be seen that spacer 90 is set to the upper of force snesor 80
Side, its underpart are connect with force snesor 80, and top is connect with the inner surface of transparent upper 21.In this way, force snesor 80 and
Spacing body 90 is overlapping in vertical direction, and be set along between driving line between the line of induction not with driving line and sense
Answer line overlap.Under stress, as shown in Figure 3b, transparent upper 21 pushes downwards, and multiple spacers 90 are simultaneously vertically
It is compressed, until the distance between transparent upper 21 and transparent lower substrate 22 minimize at this pressure.Spacer 90 exists
When being compressed, pressure is passed into force snesor 80, makes pressure transmitting relevant voltage/electric current letter of the force snesor 80 because of sensing
Number.Transparent fluid also applies pressure to force snesor 80 simultaneously.At this time, the external power of the confrontation of transparent fluid and spacer 90
Power and external power reach balance.Then when extraneous pressure is drawn back/eliminated, the counteragent of transparent fluid and spacer 90 is greater than
External power, sealing element 60 and spacer 90 can restore origin-location and state, and transparent upper 21 is made to return to script position, transparent
The distance between upper substrate 21 and transparent lower substrate 22 restore initial value.The pressure ratio that spacer 90 applies to force snesor 80 is transparent
The pressure of fluid to force snesor 80 is big, it might even be possible to be set up directly on the sensing element of force snesor 80 and spacer 90
Lower section, directly to sense the pressure transmitted from spacer 90.It can be felt by density and the material etc. that spacer 90 is arranged to adjust
Answer the reaction of 20 pairs of extraneous pressure of layer.Such as when the density that spacer 90 is arranged on substrate is higher, then need higher external
Pressure just can make inductive layer 20 obtain the deformation of same magnitude.
In general, when force snesor is set as reaching pressure more than preset threshold value, it is defeated to will be regarded as effective power
Enter, at the same can note down power input pressure size, pressure as force snesor because be pressurized caused by voltage signal due to calculate.
Pressurized zone refers to the region for touching stress seen from above, and pressurized zone can refer to transparent upper to lower recess
Region.In addition, multiple spacers 90 can be set to limit pressure transmission region in the embodiment for being equipped with multiple intervals, touch power
The force snesor sensing pressure in pressure transmission region is made way for when control input, to obtain more reliable sensing result.Limit compressive region
Domain is not meant to that the force snesor in the region other than pressure transmission region will not sense pressure, the intensity ratio only sensed by
Force snesor in intermediate pressure section is sensed low, and the power sensing that pressurized zone is advantageously implemented multiple spot is in addition limited.With reference to figure
In 4b, every four spacers 90 surround a force snesor 80.Under stress, transparent fluid and multiple spacers 90 are pressurized.It is false
If pressure is some region fallen in transparent upper 21, as illustrated in fig. 4 c, pressure is fallen in region a.Region A is by four
Spacer 90 is limited, and a pressure transmission region is become, and position X is at stress point.In this case, when pressure just applies, although
Multiple spacers 90 are all pressurized, but power suffered by four one 90a of spacer of enclosing region A is compared with other spacers 90 and sealing element
60 stress are big.According to another embodiment of the invention, spacer 90 can be made of the deformable material of tool high stiffness.Work as pressure
Power applies in region a, and inductive layer 20 is whole not to be deformed, and the pressurized zone in 21 band of position A of transparent upper is in pressure
Lower to lower recess, pressure transfers to be applied to the part that transparent fluid is located in the A of region, then is transmitted to the force snesor 80 of lower section
In.In such cases, when there is multiple pressure to be applied in transparent upper 21 in the same time, as shown in fig. 4c, two pressures
Power is applied to the position Y of the position X and region B of region A in the same time respectively.Force snesor 80a and region B in the A of region
In force snesor 80b sense the power for being applied to position X and position Y respectively, due to such design spacers 90 be compared with Gao Gang
Property deformable material be made, be applied to the pressure of region A and region B respectively mainly by limiting the spacer one in the region
90a and two 90b of spacer is born, so that pressure will not be located at other force snesors other than region A and region B and be sensed, it can
With by being realized for the signal preset threshold value of force snesor 80, as force snesor 80 generated by stress voltage/
Current signal will be more than some value, just will be dealt with device and be considered as effective pressure input.In another situation, neighbouring power sensing
Device 80 still can generate signal due to the pressure by near zone inputs, for example, a pressure applies in region a in Fig. 4 d
Position X, the force snesor 80c of position and region C generates signal because of the pressure, but due to the power sensing in the C of these regions
Device 80c is not positive compression, so signal does not exceed threshold value, and then front is pressurized the force snesor 80a being located in the A of region,
Therefore its signal generated is more than threshold value, constitutes effectively sensing.Again in another embodiment, the pressure when application in region a
Power is larger, so that the power without the force snesor 80c in the force snesor 80a or region C in Regional Economy A is constituted because being more than threshold value
Effectively sensing, since the pressure value of force snesor 80a in region a is higher, processor can be set to differentiate correct
Force snesor 80a signal in the A of region is considered as major value, occupied when being included in calculating higher by pressure position and pressure value
Weight, and the force snesor 80c in the C of region is classified as reference value, lower weight is occupied when being included in meter.It can also incite somebody to action
The position of force snesor is at a distance from depressed position as a parameter for calculating weight.Consider the force snesor 80c in the C of region
The benefit of data is, can be by the more acurrate position for knowing pressure of these data, and can force snesor in compensatory zone A
The error for the signal that 80a is sensed.Processor can also provide reference to pressure position according to the touch function of inductive layer itself.
In another case, as shown in fig 4e, pressure is fallen in the D of region, and position Y is to be located at spacer at stress point
The surface of two 90d.In this case, when pressure is applied to transparent upper 21, most of pressure is held by two 90d of spacer
Load also has partial pressure transparent near two 90d of spacer as the pressurized zone of transparent upper 21 is applied to lower recess
Fluid, then the force snesor 80b pressure in the force snesor 80b in the region B near being applied to, region B is than other
Force snesor 80c in the C of region is big.If the power suffered by the force snesor 80b in the B of region is more than threshold value, effective force is generated
Input signal, and according to the intensity of the signal magnitude calculating pressure generated of the force snesor 80b in the B of region.Due to depressed position Y
Than the depressed position X in Fig. 4 d apart from nearest force snesor farther out and although two 90d of spacer can be deformed but be had certain
Rigidity, falling in the pressure of the force snesor 80b in the B of region can region A than Fig. 4 d in the case where the external power of same intensity
In force snesor 80a it is small.In order to make preset effective force input energy effectively sensed, a method is that effective force input is strong
Degree threshold value is reduced to the power input intensity that can be sensed in the case of Fig. 4 c and Fig. 4 d.Another method is inputted in sensing power
Shi Budan refers to the signal strength of independent force snesor, while considering the signal strength of multiple sensors, preferably consideration stress
The signal strength of multiple force sensors near position.The power sensing in 4 region B near depressed position Y is considered in the figure
The signal strength of device 80b.For example, if the force snesor 80b signal strength in single area B has been more than threshold value, processor meeting
The input is regarded to input as effective pressure.If the signal strength of each of the force snesor 80b in the B of region is no more than threshold
If value, then considers that the signal strength of the force snesor 80b in whole region B and other relevant parameters calculate, obtain whole
Then signal value considers whether the signal value of the entirety is more than threshold value, to determine whether pressure input is effectively to input.It is related
Parameter such as forced position, the explanation at a distance from the force snesor 80b in the B of region: the power sensing in the closer region B of distance
The weight that device 80b gives the force snesor 80b in the B of the region when calculating whole signal intensity value is then higher, there is off-position
Setting range information can pass through the position sensing function of the line of induction 71 and driving line 72 and obtains.In addition, one 90a of spacer is obstructed
The pressure of a part extends to position near the b of region, makes the transparent upper 21 and transparent lower substrate 22 of these neighbouring positions
The distance between variation less one 90a of spacer the case where when it is small, avoid the force snesor 80c in the region C of surrounding from sensing
To useful signal.These sensings can be calibrated using preceding, so that same intensity and the pressure of vector are fallen on transparent
The different location of substrate can also be sensed the signal for generating tolerance interval.
Fig. 5 a shows another embodiment of the invention, and visible inductive layer 20 includes multiple force sensors 80 and more in figure
A spacer 90.Spacer 90 include two 90d of one 90a of spacer and spacer, spacer 90 setting driving line 72 between and
Between the line of induction 71, different pattern can be divided to be distributed, can also be evenly distributed.One 90a of spacer in vertical direction, not with power
Sensor 80, driving line 72 and the line of induction 71 are overlapped.As shown in Figure 5 b, the upper part of one 90a of spacer and transparent upper 21
Lower surface connection, and the lower part of one 90a of spacer is connect with the upper surface of transparent lower substrate 22.Two 90d of spacer setting
In the top of force snesor 80, its underpart is connect with force snesor 80, and upper part is connect with the inner surface of transparent upper 21.
In this way, force snesor 80 and two 90d of spacer are overlapping in vertical direction, and it is set along between driving line 72 and feels
It answers between line 71, it is not Chong Die with driving line 72 and the line of induction 71.It is fallen in the region A in transparent upper 21 in a pressure
When the X of position, the pressurized zone in the region A of transparent upper 21 is deformed, and applies pressure to lower recess, and to two 90d of spacer,
Pressure is transmitted to the force snesor 80 of lower section through two 90d of spacer.And the pressure of position X is fallen in also to the interval of enclosing region A
One 90a of part applies pressure, so that pressure will not substantially be directly delivered to one 90a of spacer, other other than two 90d of spacer
Spacer 90, therefore the pressure for falling in position X will not substantially sense other power other than the force snesor 80a in the A of region
Device has an impact.Even having an impact, obtained pressure value and compression position can also be adjusted by such as above-mentioned threshold value or weight
It sets.
According to some embodiments of the present invention, the inductive layer can be applied on touch device (touch screen).Show in Fig. 6
A kind of touch device 100 with the inductive layer is gone out, the touch device 100 includes inductive layer 20,30 and of display panel
Backlight 40.In this embodiment, the inductive layer 20 is located at 30 front of display panel, and the backlight 40 is located at described
30 rear of display panel.The inductive layer can also be set to other positions in other embodiments, such as set on the display surface
Between plate 30 and the backlight 40 or set on 40 rear of backlight.The touch device 100 may also include frame 50, institute
The periphery that frame is located at the touch device 100 is stated, surrounds the touch device 100 without prolonging in rear, upper and lower, left and right side
The front of the touch device 100 is reached, so that user operates the touch screen from front and appears the light of aobvious optical screen.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of inductive layer of touch-control, the inductive layer includes transparent upper and transparent lower substrate, the transparent upper
There are gaps between the transparent lower substrate, are equipped with a plurality of line of induction in the gap and a plurality of driving line, feature exist
In being additionally provided with one or more force snesors in the gap, the gap seals accommodate transparent fluid, the power sensing
Device is pressure sensor, inductive layer transparent fluid pressure rising when being set as by external force, the force snesor compression
Generate signal.
2. inductive layer according to claim 1, which is characterized in that be equipped between the transparent upper and transparent lower substrate
Sealing element, the confined space that the transparent upper, the transparent lower substrate and the sealing element are formed accommodate the transparent flow
Body.
3. inductive layer according to claim 1, which is characterized in that the inductive layer be arranged to the transparent upper by
Pressure, the pressurized zone of the transparent upper is to lower recess, the pressurized zone of the transparent upper and the transparent lower base
The distance of plate with and reduce；When pressure is drawn back/is eliminated, the pressurized zone of the transparent upper and the transparent lower substrate it
Between range recovery initial value.
4. inductive layer according to claim 3, which is characterized in that the inductive layer further includes multiple spacers, between described
The upper part of spacing body is connect with the lower surface of the transparent upper, and the lower part of the spacer and the transparent lower substrate
Upper surface connection, and by extraneous pressure, the spacer vertically compresses simultaneously, until described transparent
The distance between the pressurized zone of upper substrate and the transparent lower substrate under extraneous pressure because minimizing；Then work as extraneous pressure
When drawing back/eliminating, the counteragent of the transparent fluid and the spacer is greater than external power, and the spacer can restore original position
It sets and state, so that the distance between the pressurized zone of the transparent upper and the transparent lower substrate restore initial value.
5. inductive layer according to claim 3, which is characterized in that the spacer is set to the top of force snesor,
Lower part is connect with force snesor, the inner surface connection of top and transparent upper.
6. inductive layer according to claim 3, which is characterized in that the spacer includes the first spacer and the second interval
Part, the first spacer in a longitudinal direction, are not set to power with force snesor, driving line and induction line overlap, the second spacer
The top of sensor.
7. inductive layer according to claim 1 to 6, which is characterized in that the inductive layer setting are as follows: if described
Force snesor because be pressurized generate signal be more than preset threshold, then be considered as effective force input, effective force input intensity with it is described
The signal of force snesor is associated.
8. inductive layer according to claim 1 to 6, which is characterized in that multiple spacers limit pressure transmission region,
The signal that the extraneous pressure fallen in the pressure transmission region generates the force snesor being located in the pressure transmission region, which is better than, to be located at
Other force snesors other than the pressure transmission region.
9. inductive layer according to claim 3, which is characterized in that the line of induction and the driving line are respectively arranged on described
On the transparent upper surface opposite with the transparent lower substrate or the induction linear array and the driving linear array simultaneously
One in the surface opposite set on the upper substrate or transparent lower substrate, and the induction linear array and the driving linear array
It arranges mutually orthogonal and insulate.
10. a kind of touch device with inductive layer as claimed in any one of claims 1-9 wherein, which is characterized in that the touching
Controlling device has inductive layer, display panel, backlight and frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326592.9A CN110109566B (en) | 2019-04-23 | 2019-04-23 | Touch device with force sensor |
| PCT/CN2020/086482 WO2020216306A1 (en) | 2019-04-23 | 2020-04-23 | Touch device having force sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326592.9A CN110109566B (en) | 2019-04-23 | 2019-04-23 | Touch device with force sensor |
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| Publication Number | Publication Date |
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| CN110109566A true CN110109566A (en) | 2019-08-09 |
| CN110109566B CN110109566B (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910326592.9A Active CN110109566B (en) | 2019-04-23 | 2019-04-23 | Touch device with force sensor |
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| CN (1) | CN110109566B (en) |
| WO (1) | WO2020216306A1 (en) |
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| WO2020216305A1 (en) * | 2019-04-23 | 2020-10-29 | 精电(河源)显示技术有限公司 | Sensing layer provided with force sensor, and touch apparatus |
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| CN110109566B (en) | 2021-07-06 |
| WO2020216306A1 (en) | 2020-10-29 |
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Inventor after: Liu Hanfeng Inventor after: He Lin Inventor after: Zhang Huaiping Inventor after: Wu Minyi Inventor before: Liu Hanfeng |