CN110134272A - A kind of inductive layer and its touch device with force snesor - Google Patents
A kind of inductive layer and its touch device with force snesor Download PDFInfo
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- CN110134272A CN110134272A CN201910326512.XA CN201910326512A CN110134272A CN 110134272 A CN110134272 A CN 110134272A CN 201910326512 A CN201910326512 A CN 201910326512A CN 110134272 A CN110134272 A CN 110134272A
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- transparent
- inductive layer
- lower substrate
- induction
- gap
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
The present invention provides a kind of inductive layer and its touch device with force snesor, including transparent upper, transparent lower substrate and respective middle part and edge part, middle part is to be overlapped and there is first gap between the two, edge part is to be overlapped and there is Second gap between the two, the first induction linear array and the first driving linear array are equipped in first gap, one or more force snesors are equipped between Second gap, first gap, Second gap be it is independent sealed, accommodate transparent fluid.Transparent fluid can reduce reflection, and enhancing transmission is conducive to inductive layer and restores to the original state rapidly, 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 device, in particular it relates to a kind of inductive layer with power sensing function,
The invention further relates to the touch devices with the inductive layer.
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
To solve the above problems, the object of the present invention is to provide a kind of inductive layer that touch-control uses, the inductive layer includes
Transparent upper, transparent lower substrate, the transparent upper and transparent lower substrate respectively include middle part and edge part, described
Bright upper substrate and the middle part of transparent lower substrate are to be overlapped and there is first gap between the two, the transparent upper and
The edge part of transparent lower substrate is to be overlapped and there is Second gap between the two, and the first sense is equipped in the first gap
It answers linear array and first to drive linear array, one or more force snesors is equipped between the Second gap, described first is empty
Gap and/or the Second gap be it is independent sealed, accommodate transparent fluid.
According to an aspect of the present invention, the force snesor is capacitive force transducer, and the inductive layer is arranged to described
When the middle part of transparent upper and transparent lower substrate is by external force, between the transparent upper and the edge part of transparent lower substrate
Distance reduce so that the force snesor generate signal.
According to an aspect of the present invention, the force snesor includes second line of induction, the second driving line and grounding electrode.
According to an aspect of the present invention, second line of induction and the second driving line are in the same plane, wherein
Second line of induction is the one or more induction line segment with finger, and the second driving line is one or more tool
There is the driving line segment of finger, the induction line segment and the driving line segment are arranged in parallel.
According to an aspect of the present invention, it is equipped between the middle part of the transparent upper and the middle part of transparent lower substrate
Sealing element, the middle part of the transparent upper, the middle part of the transparent lower substrate and the sealing element accommodate transparent flow
Body.
According to an aspect of the present invention, one or more gaskets are equipped with below the inductive layer.
According to an aspect of the present invention, it is equipped between the middle part of the transparent upper and the middle part of transparent lower substrate
Sealing element, the middle part of the transparent upper, the middle part of the transparent lower substrate and the sealing element accommodate transparent flow
Body.
According to an aspect of the present invention, the inductive layer is arranged to when the middle part of the transparent upper is by external force,
The distance between edge part of the transparent upper and transparent lower substrate with and reduce；It is described when pressure is drawn back/eliminated
The distance between bright upper substrate and transparent lower substrate edge part restore initial value.
According to an aspect of the present invention, the inductive layer further includes multiple spacers, the top of the spacer with it is transparent
The lower surface of upper substrate connects, and the lower part of the spacer and the upper surface of transparent lower substrate connect, in the case where compression,
The spacer compresses along the longitudinal direction simultaneously.Reduce to the distance between transparent upper and transparent lower substrate；Then when outer
When carrying out pressure and drawing back/eliminate, the counteragent of the transparent fluid, the sealing element and the spacer is greater than external power, described
Sealing element and the spacer can return to origin-location and state, so that the distance between transparent upper and transparent lower substrate are extensive
Disengaging value.
According to an aspect of the present invention, first line of induction and it is described first driving line be respectively arranged on it is described it is transparent on
On the middle part of substrate or the opposite surface of the middle part of transparent lower substrate or first line of induction and first driving
Line is set on one in the surface opposite with the upper substrate or the transparent lower substrate simultaneously, meanwhile, first induction
Line and described first drives line mutually orthogonal and insulate.
According to an aspect of the present invention, the touch device includes inductive 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 of electronic device by more prior arts.This avoids Force sensors to be set to electronic device bottom
Need to be located at the other component deformation above Force sensor in portion's Shi Li input process to transfer the pressure to power sensing dress
The shortcomings that setting.
Detailed description of the invention
Fig. 1 a is a kind of structure chart of inductive layer of the present invention；
Fig. 1 b is the structure chart under a kind of inductive layer stress of the present invention；
Fig. 2 is the schematic top plan view of inductive layer of the present invention；
Fig. 3 a is the overlooking structure figure of inductive layer of the present invention；
Fig. 3 b is inductive layer of the present invention in Fig. 3 a along the sectional view in the direction aa；
Fig. 4 a be the non-stress of inductive layer of the present invention under each component apart from schematic diagram；
Fig. 4 b is the next component of inductive layer stress of the present invention apart from schematic diagram；
Fig. 5 is the structural schematic diagram of a force snesor of the invention；
Fig. 6 is the schematic diagram for the touch device that the present invention has inductive layer.
In figure: 20, inductive layer；21, transparent upper；21a, transparent upper middle part；21b, transparent upper edge
Portion；22, transparent lower substrate；22a, transparent lower substrate middle part；22b, transparent lower substrate edge part；23a, first gap；23b,
Second gap；30, display panel；40, backlight；50, frame；60, sealing element；71, first line of induction；72, the first driving line；
80, force snesor；81, incude linear array；82, linear array is driven；83, grounding electrode；90, spacer；100, touch device；
180, any force snesor；181, incude line segment；181a, line of induction finger；182, line segment is driven；182a, driving line finger.
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, also there is one
A little electronic devices further include display screen or other component, the purposes depending on electronic device.Inductive layer 20 can realize known touch-control
The touch-control sensing function of screen, such as can be capacitive induction layer 20, it is equipped with data linear array and array of scan lines, can be sensed
The position for the input instruction that user makes relative to inductive layer 20.The inductive layer 20 is additionally provided with force snesor 80, can sense
The dynamics for being, especially longitudinal dynamics are inputted in touch-control to user, 3D sense may be implemented in the function of cooperation position sensing
It surveys.
Inductive layer 20 has transparent substrate, including transparent upper 21 and transparent lower substrate 22, transparent substrate can be by glass
Or transparent plastic is made, and is essentially flat structure.The transparent upper 21 and transparent lower substrate 22 respectively include centre
There are one or more gaps between the transparent upper 21 and transparent lower substrate 22 in portion and edge part.Described wherein one
It is equipped with the first induction linear array and the first driving linear array in a gap, is equipped with one or more force snesors in another gap
80, at least one described gap is sealing, 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.Transparent fluid can be allowed to fill up at least one described gap in the design, it is saturating when not being pressurized
There are one section of pre-determined distances between bright upper substrate 21 and transparent lower substrate 22.Under some cases of the invention, constitute on transparent
Substrate 21 and the material of transparent lower substrate 22 are generally rigid, but in some cases, such as when the thickness of substrate is smaller, are made
Substrate is relatively thin, is having a degree of bending deformation by pressure, and material used such as glass has centainly in pressing
Restorability, the substrate also shows certain flexible speciality in this case, this flexibility can be based on baseplate material itself,
It can also be the thickness based on substrate.In addition it can be used suitable sealing element 60 to transparent upper middle part 21a and transparent lower base
Gap between the plate gap middle part 22a or edge is sealed, such as sealing element 60 is arranged in transparent upper middle part
Marginal position between 21a and transparent lower substrate middle part 22a prevents fluid or liquid crystal from flowing out.In multiple realities of the invention
It applies in example, sealing element 60 is made of one or more components, these components can be rigidity or have elasticity or a part of portion
Part is rigid, another part component be it is elastic, i.e., at least part be made of elastic material, permission become in compression
Shape, and original state can be returned after pressure removal.It is fixed feelings at a distance from transparent upper 21 is between transparent lower substrate 22
Under condition, sealing element 60 is preferably rigidity, and has good sealing function.Transparent fluid can be applicable fluid or liquid crystal
Body, and be light transmission and non-conductive, other possible transparent fluids are also likely to be oil or liquid glue.
Fig. 1 a shows a kind of structure of inductive layer 20 of the present invention, and inductive layer 20 is including transparent upper 21 and thoroughly
Bright lower substrate 22.Transparent upper 21 and transparent lower substrate 22 respectively include respective transparent upper middle part 21a, it is transparent under
Substrate middle part 22a and transparent upper edge part 21b, transparent lower substrate edge part 22b.The 21a, 22a be overlapping and
And there is first gap 23a between the two, the 21b, 22b are to be overlapped and there is Second gap 23b between the two.It is transparent
There are connecting component between the middle part 21a of upper substrate and the middle part 22a of transparent lower substrate, connecting component is separately connected transparent
Upper substrate 21 and transparent lower substrate 22 can be made of one or more components.In the present embodiment, connecting component is to be sealed part
60.It is shown in Fig. 1 a and is sealed part 60 and is arranged between the middle part 21a of transparent upper and the middle part 22a of transparent lower substrate
Periphery, i.e., around the middle part 21a of the transparent upper and middle part 22a of transparent lower substrate setting, against transparent upper base
Plate 21, transparent lower substrate 22 the opposite inner surface of middle part edge setting.It is sealed part 60 and is closely coupled to transparent upper
21 and transparent lower substrate 22, it is isolated from the outside the first gap 23a.Sealing element 60 in Fig. 1 a is a whole part, but
It can also be using the sealing element with multiple tight junctions parts.Inductive layer 20 is additionally provided with transparent fluid, and the transparent fluid is deposited
It is between the middle part 21a of transparent upper and the middle part 22a of transparent lower substrate, that is, is present in first gap 23a.Thoroughly
The middle part 21a of bright upper substrate and the middle part 22a of transparent lower substrate accommodate transparent fluid plus sealing element 60, and so that it will not right
Outer loss.The preferably described transparent fluid is non-conductive.
As shown in Figure 1a, the edge part 21b of the transparent upper and the edge part 22b of transparent lower substrate are respectively arranged on institute
State the outside of transparent upper middle part 21a and transparent lower substrate middle part 22a.Transparent upper middle part 21a in figure, thoroughly
Bright upper substrate edge part 21b and transparent lower substrate middle part 22a, transparent lower substrate edge part 22b are interconnected with side.It is excellent
Selection of land, transparent upper middle part 21a and transparent upper edge part 21b belong to a global facility, and in transparent lower substrate
Between portion 22a and transparent lower substrate edge part 22b also belong to a global facility (such as the middle part 21a of transparent upper and thoroughly
The edge part 21b of bright upper substrate is one piece of glass substrate, the middle part 22a of transparent lower substrate and the edge part of transparent lower substrate
22b is another piece of glass substrate).A plurality of first line of induction 71 and a plurality of first driving line 72 are additionally provided in first gap 23a
(i.e. induction linear array and driving linear array).First line of induction 71 in figure is set to the middle part of transparent upper 21 relative to saturating
On the surface of bright lower substrate 22 (i.e. on the inner surface of the middle part 21a of transparent upper), and the first driving line 72 is set to thoroughly
(the i.e. inner surface of the middle part 22a of transparent lower substrate on surface of the middle part of bright lower substrate 22 relative to transparent upper 21
On).It is parallel to each other between a plurality of first line of induction 71, it is parallel to each other between a plurality of first driving line 72, first line of induction 71 with
First driving line 72 is mutually orthogonal.But the present invention is not limited to there was only this wiring method.First line of induction 71 and the first driving line
72 can realize the position 2D touch-control sensing function by way of conventional, not be explained in more detail herein.
Inductive layer 20 further includes multiple spacers 90.Spacer 90 is made using the material that can be deformed under stress.It is multiple
Spacer 90 is arranged between first line of induction 71 and first drives between line 72, can be distributed, can also be put down with different pattern
It is distributed.As shown in Fig. 1 a, 1b, the upper part of spacer 90 is connect with the lower surface of transparent upper 21, and spacer 90
Lower part is connect with the upper surface of transparent lower substrate 22.Multiple spacers 90 in vertical direction, not with force snesor 80, first
The line of induction 71 and the first driving line 72 are overlapped.Spacer 90 is cylindrical, and cross section in vertical direction is in figure, square
Or other shapes.Transparent upper 21, transparent lower substrate 22, first line of induction 71, first driving line 72 are basically illustrated in figure
With the section of force snesor 80 (induction linear array 81, drive linear array 82, grounding electrode 83), the section is located at same flat
Face.And spacer 90 being also shown in figure, but spacer 90 is not generally aligned in the same plane with above-mentioned section, i.e., spacer 90 is located at institute
First line of induction, 71 rear is stated, the relative position of each component can understand in the top view of Fig. 2 to be shown.
Inductive layer 20 is additionally provided with multiple force sensors 80, set on the edge part of transparent upper 21 and transparent lower substrate 22 it
Between.A kind of capacitive force transducer 80 is shown in Fig. 1 a, force snesor 80 is located in Second gap 23b, the force snesor
80 include induction linear array 81, driving linear array 82 and grounding electrode 83.Incude linear array 81, driving linear array 82 can be set to together
The inner surface of the edge part of one transparent substrate, such as shown in the figure, set on the inner surface of the edge part 22b of transparent lower substrate
On, and grounding electrode 83 is set in the transparent upper edge part 21b opposite with induction linear array 81 and driving linear array 82
Surface, such as: as shown, being set to the inner surface of the edge part 21b of transparent upper.Start in the force snesor 80 and is powered
When, incude and generate coupled capacitor between linear array 81 and driving linear array 82, another aspect grounding electrode 83 is grounded, when ground connection electricity
When pole 83 and induction linear array 81 and driving the distance between linear array 82 reduce, grounding electrode 83 and induction linear array 81 and drive
Capacitive coupling between moving-wire array 82 has an impact, and reduces the coupled capacitor.Therefore by detecting the coupled capacitor
Variable quantity then it can be seen that the variation of the distance between grounding electrode 83 and the line of induction and driving line, thus learn cause described in away from
External pressure size from variation.Force snesor 80 may connect to processor, and processor stores corresponding to change in signal strength
Pressure data.The corresponding intensity of pressure can be obtained by signal detected.
Fig. 1 b shows the schematic diagram in the inductive layer 20 depressed.External force transfers the pressure to transparent upper 21, especially
It is applied to the middle part 21a of transparent upper, external force for example can come from the finger or other touch-control input tools of user.?
Under pressure effect, to bending under transparent upper, make transparent upper 21 with transparent lower substrate 22 at a distance from and reduction.Cause
This, also reduces therewith at a distance from grounding electrode 83 is between induction linear array 81 and driving linear array 82, makes to incude linear array
Coupled capacitor between 81 and driving linear array 82 reduces, and can calculate the big of the extraneous pressure from the variable quantity of coupled capacitor
It is small, the especially size of longitudinal direction pressure.The integrally bending variation of inductive layer can be by being appropriately arranged with spacer 90 and sealing
Part 60 and realize, such as reduce the density of spacer 90, and spacer 90 and/or sealing element 60 be made using elastic material.It is excellent
Selection of land, spacer 90 are made with elastic material, can be compressed under compression, and sealing element 60 is preferably rigidity, will not in pressure
It is compressed.Above situation describes the bending situation that transparent upper 21 is depressed, and transparent lower substrate 22 is not mentioned, some
In design, can be considered transparent lower substrate 22 relative to transparent upper 21 be it is fixed, in another design, inductive layer 20 can be set
Be set to transparent lower substrate 22 under by pressure also with and be bent downwardly, by be arranged below inductive layer component appropriate adjust it is saturating
The bending amplitude of bright lower substrate 22, makes force snesor that can more effectively sense pressure, this will be described in further detail below.It is otherwise see-through
Upper substrate 21 in addition to can bent downward, pressurized zone also can be attached that this feature is not shown in the figure for lower recess.
Spacer 90 can be limited together (when not applying pressure) with sealing element 60 under normal conditions transparent upper 21 with it is transparent
The distance between lower substrate 22.In the case where compression, spacer 90 compresses along the longitudinal direction simultaneously.Under a certain pressure,
90 alternating compression of spacing body minimizes until the distance between transparent upper 21 and transparent lower substrate 22, at this time, transparent
The power and external power of the external power of the confrontation of fluid and spacer 90 reach balance.It is transparent then when extraneous pressure is drawn back/eliminated
The counteragent of fluid and spacer 90 is greater than external power, and spacer 90 can return to origin-location and state, so that transparent upper
The distance between 21 and transparent lower substrate 22 return to initial value.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 higher extraneous pressure ability is needed
Inductive layer 20 is set to obtain the deformation of same magnitude.Fig. 2 is from the top of inductive layer 20, in the embodiment that shows Fig. 1 a and Fig. 1 b
Inductive layer 20 internal structure.The arrangement of spacer 90 is shown in figure as an example.Driving line between with the line of induction it
Between be provided with multiple spacers 90, wherein be separated by two lines of induction between each spacer 90 or be separated by two driving lines, make every
Four spacers 90 form square arrangement.And the spacer 90 for being located at inductive layer edge is set to and is separated by a drive with edge
The position of moving-wire or a line of induction.It can also be with other suitable method arrangement interval parts 90.It should be understood that in practical operation
On, the corresponding line of induction or driving line can be other numbers between spacer 90, the line of induction and driving that spacer 90 is separated by
Line is also possible to different, can form other distribution patterns as needed with different densities.
An example of the inductive layer is shown in Fig. 3 a, wherein the inductive layer 20 includes in transparent upper and lower substrates
Between portion and edge part.Multiple force sensors 80 are equipped between the transparent upper and lower substrates edge part of the inductive layer 20.It is understood that
For, from the top of inductive layer 20, transparent upper middle part 21a, transparent lower substrate middle part 22a and transparent upper side
Edge 21b, transparent lower substrate edge part 22b are a part of transparent upper 21 and transparent lower substrate 22, described two centres
The overlapping range in portion generally defines Touch Zone or covers Touch Zone, the Touch Zone receiving instruction input, such as
User press...withes one's finger in the region to input instruction.On the other hand, inductive layer installation is set on display screen as will be described, and described two
A middle part be also arranged to simultaneously substantially with display area overlapping or cover viewing area.It is described two in other designs
The overlapping range of middle part includes in viewing area/Touch Zone (being limited with the dotted line range in middle part) and display simultaneously
Area/Touch Zone surrounding wiring region, as shown in the figure.And the overlapping range of described two edge parts generally defines power sensing
Area, the power sensing unit is used to place force snesor and relevant apparatus, to realize power sensing function.In this example, power passes
Sensillary area tool is respectively provided at the left and right sides of the middle part there are two part, sets that there are two force snesors in the region of every side
80, therefore there are four force snesors 80 altogether.The electric wire of the multiple force snesor 80 extends to cloth from respective force snesor 80
In line area, drive line 72 together in the wiring region with a plurality of first line of induction 71 and a plurality of first between middle part
Arrangement, and connect with processor or circuit board.
Fig. 3 b is the sectional view in Fig. 3 a along dotted line aa.As it can be seen that the transparent upper middle part 21a, transparent lower base
Plate middle part 22a be overlapping and its between there are first gap 23a, the transparent upper edge part 21b, transparent lower bases
Edges of boards edge 22b be overlapping and its between there are Second gap 23b, there are two parts for Second gap 23b tool, respectively in institute
State the left and right sides of first gap 23a.Facilitate explanation to simplify attached drawing, one of power sensing in the gap of right side is omitted in figure
Device 80 merely illustrates the one of force snesor 80 in left side, and the force snesor 80 is arranged in the Second gap 23b in left side,
Between transparent upper 21 and the edge part of transparent lower substrate 22.The force snesor 80 can be a kind of capacitive force biography
Sensor, including second line of induction 81, second driving line 82 and grounding electrode 83, wherein the grounding electrode 83 be located at it is described transparent
Inner surface of the edge part 21b of upper substrate relative to the transparent lower substrate 22 or the edge part 22b in transparent lower substrate are opposite
In the inner surface of the transparent upper 21, and the induction linear array 81 and the driving linear array 82 are located at and the ground connection
The inner surface relative to the grounding electrode of another opposite transparent substrate of the transparent substrate at 83 place of electrode.Such as scheming
In, induction linear array 81, driving linear array 82 can be set to the inner surface of the edge part 22b of transparent lower substrate, and grounding electrode 83
It is opposite with induction linear array 81 and driving linear array 82 set on the inner surface of the edge part 21b of transparent upper.It is passed in the power
When sensor starting is powered, incudes and generate coupled capacitor, another aspect grounding electrode 83 between linear array 81 and driving linear array 82
Ground connection, when the distance between grounding electrode 83 and induction linear array 81 and driving linear array 82 reduce, 83 pairs of grounding electrode senses
It answers linear array 81 and the capacitive coupling between linear array 82 is driven to have an impact, reduce coupled capacitor.Therefore pass through detection institute
The variable quantity of coupled capacitor is stated then it can be seen that grounding electrode 83 and the distance between induction linear array 81 and driving linear array 82
Variation, to learn the external pressure size for leading to the distance change.Force snesor 80 may connect to processor, and processor is deposited
Pressure data corresponding with change in signal strength has been stored up, the corresponding intensity of pressure can be obtained by signal detected.The sense
Answering further includes one or more gaskets below layer 20, and one or more of gaskets are bonded with the inductive layer 20, specifically
It is to be bonded with the bottom of the transparent lower substrate 22 of the inductive layer 20.The inductive layer of the gasket above is by described in pressure support
Inductive layer.Two class gaskets have been shown in figure, including the first gasket being set to below transparent upper and lower substrates middle part and have been set to
The second gasket below transparent upper and lower substrates edge part, wherein the first gasket compression ratio with higher, and described second
Gasket be made of the material of tool high stiffness and have it is thicker, therefore have lower compression ratio.In the case where compression, especially
It is the pressure above transparent upper middle part, the middle part of transparent upper and lower substrates, which moves down, is resisted against the first gasket, and first
Gasket is compressed, and transparent upper and lower substrates edge part moves down and is resisted against the second gasket and compressed, the compressed amplitude of the second gasket
It is smaller than the first gasket, so that the middle section of inductive layer 20 is bent downwardly amplitude, especially transparent lower base big compared with marginal portion
Plate middle part 22a to be bent downwardly the relatively transparent substrate edge portion 22b of amplitude big, reduce the distance between two edge parts,
Capacitive coupling between 83 pairs of grounding electrode induction linear arrays 81 and driving linear array 82 has an impact, and reduces coupled capacitor,
Generate power transducing signal.When pressure is eliminated, inductive layer 20 answers original shape and position in the reaction force of gasket next time.It is preferred that
Ground, the reclinate amplitude of middle part 22a of transparent lower substrate are less than or equal to the bending width of the middle part 21a of transparent upper
Degree.If first gasket covers below entire middle part, transparent resilient materials are preferred, if being only set to centre
Marginal position below portion, then without this limitation.
It is depressed in the inductive layer 20, such as user press...withes one's finger and is pressed on the middle part 21a of transparent upper, it is transparent
Upper substrate 21 at a distance from transparent lower substrate 22 with and reduce.Therefore, between grounding electrode 83 and the line of induction and driving line
Distance also reduces therewith, makes to incude linear array 81 and the coupled capacitor between linear array 82 is driven to reduce.Shown in Fig. 4 a, not by
When pressure, there are scheduled coupled capacitors between the line of induction and driving line, in grounding electrode 83 and induction linear array 81 and driving line
Also there are preset distance, such as about 10-20 μm between array 82.After operation school is calculated, touching signals value is 0.Fig. 4 b institute
Show, depressed, is reduced at a distance from grounding electrode 83 is between induction linear array 81 and driving linear array 82, such as reduce to 5-
10 μm, makes the line of induction and the coupled capacitor between line is driven to reduce.After operation, touching signals value is greater than zero, can be according to sensing
To touching signals size calculate pressure size.In addition preset threshold can be set, so that pressure is more than certain number
Related pressure data is just calculated and fed back after value, and related data are used to feeding back or starting electronic device through processor other
Function.
According to a preferred embodiment of the present invention, as Fig. 5 shows the one of any force snesor 180 viewed from above
Part specifically illustrates the design of a kind of line of induction and driving line in figure.In this design, any force snesor 180 removes
There are a pair of induction line segment 181 disposed in parallel and a driving line segment 182, induction line segment 181 is equipped with prolonging to the driving line segment 182
The finger stretched, the preferably described finger drive line segment 182 to be equipped with to the driving perpendicular to induction line segment 181
The finger that line segment 181 extends, the preferably described finger is perpendicular to driving line segment 182.As shown in the figure, incude line segment
The finger of 181 finger and driving line segment 182 round about and extends in parallel, phase each other in the same plane
Mutually staggeredly and will not each other electricity directly.In view of the whole size of force snesor and the optimization of capacitance sensing, the force snesor
Side length L1, L2 (only calculating containing induction line segment or drive the length of line segment) be about 3 to 6mm, and the finger of finger
Number is 4 to 8, and the width L3 of line of induction finger 181a is 20-50 μm, and the width L4 of driving line finger 182a is 150-
250 μm, the distance between adjacent finger L5 is 20 to 50 μm.
According to some embodiments of the present invention, the inductive layer can be applied on touch device.One kind is shown in Fig. 6
Touch device 100 with the inductive layer, the touch device 100 include inductive layer 20, display panel 30 and backlight 40.
In this example, the inductive layer 20 is located at 30 front of display panel, and the backlight 40 is located at the display panel 30
Rear.But the inductive layer can be located at other positions in other embodiments, such as in the display panel 30 and the back
Between light source 40 or at 40 rear of backlight.The touch device 100 may also include frame 50, and the frame is located at institute
The periphery for stating touch device 100 surrounds the touch device 100 in rear, upper and lower, left and right side, without extending to the touching
The front of device 100 is controlled, so that user operates the touch screen from front, and the light of aobvious optical screen is allowed to appear.
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, which is characterized in that the inductive layer includes transparent upper, transparent lower substrate, described
Transparent upper and transparent lower substrate respectively include middle part and edge part, the centre of the transparent upper and transparent lower substrate
Portion is to be overlapped and exist between the two first gap, and the edge part of the transparent upper and transparent lower substrate is overlapping
And there is Second gap between the two, the first induction linear array and the first driving linear array be equipped in the first gap,
One or more force snesors are equipped between the Second gap, the first gap and/or the Second gap are independent
Sealing, accommodate transparent fluid.
2. inductive layer according to claim 1, which is characterized in that the force snesor is capacitive force transducer, described
When inductive layer is arranged to the middle part of the transparent upper and transparent lower substrate by external force, the transparent upper and it is transparent under
The distance between edge part of substrate reduces, so that the force snesor generates signal.
3. inductive layer according to claim 1, which is characterized in that the force snesor includes second line of induction, the second drive
Moving-wire and grounding electrode.
4. inductive layer according to claim 3, which is characterized in that second line of induction is located at the second driving line
On same plane, wherein second line of induction is the one or more induction line segment with finger, second driving
Line is the one or more driving line segment with finger, and the induction line segment and the driving line segment are arranged in parallel.
5. inductive layer described in any one of -4 according to claim 1, which is characterized in that the middle part of the transparent upper with
Sealing element, the centre of the middle part of the transparent upper, the transparent lower substrate are equipped between the middle part of transparent lower substrate
Portion and the sealing element accommodate transparent fluid.
6. inductive layer described in any one of -4 according to claim 1, which is characterized in that be equipped with below the inductive layer one or
Multiple pads.
7. inductive layer according to claim 1, which is characterized in that the inductive layer is arranged in the transparent upper
When middle part is by external force, the distance between edge part of the transparent upper and transparent lower substrate with and reduce；When pressure is taken out
When returning/eliminating, the distance between the transparent upper and transparent lower substrate edge part restore initial value.
8. inductive layer according to claim 1, which is characterized in that the inductive layer further includes multiple spacers, between described
The top of spacing body and the lower surface of transparent upper connect, and the lower part of the spacer and the upper surface of transparent lower substrate connect,
In the case where compression, the spacer compresses along the longitudinal direction simultaneously, and the distance between transparent upper and transparent lower substrate subtract
It is small；Then when extraneous pressure is drawn back/eliminated, the counteragent of the transparent fluid, the sealing element and the spacer is greater than
External power, the sealing element and the spacer can return to origin-location and state, so that transparent upper and transparent lower substrate
The distance between restore initial value.
9. inductive layer described in any one of -4 according to claim 1, which is characterized in that first line of induction and described first
Driving line is respectively arranged on the surface opposite with the middle part of the middle part of the transparent upper or transparent lower substrate, Huo Zhesuo
It states first line of induction and the first driving line while being set in the surface opposite with the upper substrate or the transparent lower substrate
One on, meanwhile, first line of induction and the first driving line are mutually orthogonal and insulate.
10. a kind of touch screen with inductive layer such as of any of claims 1-10, which is characterized in that the touch-control
Device includes inductive layer, display panel, backlight and frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326512.XA CN110134272A (en) | 2019-04-23 | 2019-04-23 | A kind of inductive layer and its touch device with force snesor |
| PCT/CN2020/086480 WO2020216305A1 (en) | 2019-04-23 | 2020-04-23 | Sensing layer provided with force sensor, and touch apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326512.XA CN110134272A (en) | 2019-04-23 | 2019-04-23 | A kind of inductive layer and its touch device with force snesor |
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| CN110134272A true CN110134272A (en) | 2019-08-16 |
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| CN201910326512.XA Pending CN110134272A (en) | 2019-04-23 | 2019-04-23 | A kind of inductive layer and its touch device with force snesor |
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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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