CN101556515B - Touch sensing assembly and touch sensing device - Google Patents
Touch sensing assembly and touch sensing device Download PDFInfo
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- CN101556515B CN101556515B CN2008100898936A CN200810089893A CN101556515B CN 101556515 B CN101556515 B CN 101556515B CN 2008100898936 A CN2008100898936 A CN 2008100898936A CN 200810089893 A CN200810089893 A CN 200810089893A CN 101556515 B CN101556515 B CN 101556515B
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Abstract
The invention discloses a touch sensing assembly which comprises a holding space, a first base material layer, a second base material layer, a drive unit and a sensor, wherein the holding space is defined by the first base material layer and the second base material layer, and the holding space is used for containing a fluid body; the drive unit can provide electric charges to a first conducting layer of the first base material layer, a second conducting layer of the second base material layer and the fluid body; and the sensor can sense the electrical characteristics of the fluid body. When an indicating unit approaches the touch sensing assembly and influences the charges, the geometrical appearance of the fluid body changes to cause that the electrical characteristics are changed.
Description
Technical field
The touch control induction device that the invention relates to a kind of touch-control sensing assembly and use this touch-control sensing assembly, and especially, the invention relates to the wet effect of utilization electricity and carry out the touch-control sensing assembly of touch-control and the touch control induction device that uses this touch-control sensing assembly.
Background technology
Contact panel originates from the conception of the electronic touch interface of Samue1 doctor C.Hurst proposition in 1971, and the contact panel that occurred the earliest from 1974, originally be that US military develops for military use, in the eighties technology is transferred among the people after, develop in succession and various application.
In recent years because wireless network and electronics industry are flourish, therefore have wireless transmission concurrently and the small size portable electronic devices is widely used in various occasions to meet the need of market, for example, personal digital assistant or mobile phone.In order to take into account its Portability of portable electronic devices and functional, undersized contact panel is owing to have advantage simple to operate and that save the volume of electronic installation own, gradually replace products such as traditional input media such as keyboard, mouse, trace ball, tracing point, suddenly become the emphasis of all circles' research.
The technology of contact panel generally is divided into resistance-type, condenser type, photo-electric and ultrasonic/sonic wave formula etc.Electric resistance touch-control panel is by two-layer tin indium oxide (Indium Tin Oxides up and down, ITO) conductive layer coincides and forms, when object touches that upper strata ITO layer makes its depression and when lower floor ITO layer contacts, panel itself will form change in voltage, and via its variation of controller sensing and then calculate contacting points position to carry out input action.
Capacitance type touch-control panel is to utilize that static combines the capacitance variations that produces between the tactic transparency electrode of electrode and the object, and then produces induced current to detect the coordinate of contact point.
The principle of optical touch control panel is to arrange infrared transmitter and receiver in around the panel, and infrared ray is arranged in the inner matrix form that forms X-axis and Y-axis of panel.When the opaque article touch panel, will interdict the infrared ray of contact point, can make contacting points position by the infrared ray coordinate that is interdicted.
Ultrasonic type contact panel surface is made up of glass fully, forms the even sound wave field of force by the ultrasonic transmitter in panel corner at middle section.When soft object touch panel, can absorb ultrasound wave and cause its strength retrogression, by controller than to received signal damping capacity to calculate the position that obtains contact point.
Along with the deep development of touch technology, portable electronic devices can have greater functionality and operation is easier, use more visualize.For example, the multi-point touch technology can make contact panel carry out more complicated input instruction, and the user but must not remember more input methods just can reach these input instructions.On the other hand, contact panel also can be as the measurement of contact external force and pressure.
Yet, allow portable electronic devices reach above-mentioned functions, the circuit of its contact panel and the design of electrode will be complicated, therefore easily its penetrability impacted, and cause the light intensity that display pannel sent by the contact panel below to be weakened by contact panel.So, will cause the luminance shortage of portable electronic devices display frame and injure user's eyesight, or manufacturer improves the light intensity that display pannel sends in order to improve its picture brightness, and then increase the power consumption of portable electronic devices.
Summary of the invention
Therefore, an aspect of of the present present invention is to provide a kind of touch control induction device that utilizes the wet effect of electricity, and it has high optical transmittance, can address the above problem.
According to a specific embodiment, touch control induction device of the present invention comprises the touch-control sensing assembly, and the touch-control sensing assembly further comprises accommodation space, first substrate layer, second substrate layer, driver and sensor.First substrate layer has first dielectric layer and first conductive layer.Second substrate layer has second dielectric layer and second conductive layer.First substrate layer and second substrate layer can limit accommodation space, and accommodation space is in order to holding fluid, and fluid can contact first dielectric layer and second dielectric layer.Driver can provide first electric charge, second electric charge and tricharged to the first conductive layer, second conductive layer and fluid respectively, and wherein, the charge polarity of first electric charge and second electric charge is identical, and the charge polarity of tricharged is then with above-mentioned both are opposite.Sensing cell can be in order to the electrical specification of senses flow body.
In this specific embodiment, first electric charge, second electric charge and tricharged can determine the geometric shape of fluid.In addition, the electrical specification of this fluid is the quantity decision according to geometry external form, fluid behaviour and the tricharged of fluid.When the object that has the 4th electric charge caused first electric charge to be subjected to the influence generation change of the 4th electric charge near first substrate layer, the geometry external form of fluid also can change, and the related electrical specification of fluid that makes changes.The change of above-mentioned electrical specification can sense by sensing cell.
In addition, touch control induction device further comprises processing unit except comprising the touch-control sensing assembly.In this specific embodiment, the sensor of sensing fluid electrical specification can produce sensing signal according to its electrical specification, and processing unit can receive this sensing signal and judge the touch-control state of touch control induction device according to this sensing signal.
In a specific embodiment, this at least one sensing cell further comprises first conductive junction point and second conductive junction point.First conductive junction point is arranged in this fluid and contiguous this first substrate layer, and second conductive junction point is arranged in this fluid and contiguous this second substrate layer.Wherein, this sensor is by this electrical specification of first conductive junction point and second this fluid of conductive junction point sensing.In the present embodiment, electrical specification is the equiva lent impedance of this fluid.This first substrate layer has elasticity, and when an external force acted on this first substrate layer, this first substrate layer can produce deformation according to this external force.The geometric shape of this fluid is subjected to the influence of the 4th electric charge and is changed to first fluid this first dielectric layer of partly fitting, and second fluid section this second dielectric layer of fitting.Wherein this first fluid part and this second fluid section can change the direct of travel of an incident light source.Another aspect of the present invention is to provide a kind of touch-control sensing assembly, comprises first substrate layer, second substrate layer, driver and sensor.Second substrate layer comprises dielectric layer and conductive layer, and first substrate layer and second substrate layer limit an accommodation space in order to hold a fluid, and this fluid contacts this dielectric layer and/or this first substrate layer; Driver is in order to providing at least one first electric charge to this conductive layer, and provides at least one second electric charge to this fluid, wherein the polarity of this first electric charge and this second opposite charge; Sensor comprises at least one sensing cell, be arranged on this dielectric layer, and one of them of this at least one sensing cell contacts this fluid, in order to the electrical specification of this fluid of sensing.When this touch-control sensing assembly was accepted an external force and this external force and surpassed an external force threshold values, this first substrate layer was oppressed this fluid, and the geometric shape of this fluid changes, and causes this electrical specification of this fluid to change.
In a specific embodiment, first substrate layer is made by transparent material, also can be made by conductive material.
In a specific embodiment, this electrical specification is an equivalent impedance of this fluid.
In a specific embodiment, sensor comprises first conductive junction point, second conductive junction point and the 3rd conductive junction point, and the distance between this first conductive junction point and second conductive junction point is greater than the distance between this second conductive junction point and the 3rd conductive junction point.
Another aspect of the present invention is to provide a kind of touch control induction device that utilizes the wet effect of electricity, can be contacted with external force size on the touch control induction device in order to sensing.
According to a specific embodiment, touch control induction device of the present invention comprises the touch-control sensing assembly, and the touch-control sensing assembly further comprises accommodation space, first substrate layer, second substrate layer, driver and sensor.Second substrate layer has dielectric layer and conductive layer.First substrate layer and second substrate layer can limit accommodation space, and accommodation space is in order to hold fluid.Driver can provide first electric charge and second electric charge to conductive layer and fluid respectively, wherein, and the opposite polarity of first electric charge and second electric charge.Sensor comprises at least one sensing cell, be arranged on this dielectric layer, and one of them of this at least one sensing cell contacts this fluid, in order to the electrical specification of sensing fluid.
In this specific embodiment, when the touch-control sensing assembly was surpassed an external force threshold values by pressed by external force first substrate layer and this external force, first substrate layer can deformation and force fluid, the fluid geometric shape is changed cause its electrical specification to change.Above-mentioned electrical specification changes, and can sense by sensing cell.
In addition, touch control induction device further comprises processing unit except comprising the touch-control sensing assembly.In this specific embodiment, the sensor of sensing fluid electrical specification can produce sensing signal according to its electrical specification, and processing unit can receive this sensing signal and judge the touch-control state of touch control induction device according to this sensing signal.
In a specific embodiment, first substrate layer is made by transparent material.
In a specific embodiment, this first substrate layer is made by conductive material.
In a specific embodiment, this electrical specification is the equiva lent impedance of this fluid.
In a specific embodiment, this sensor comprises first conductive junction point, second conductive junction point and the 3rd conductive junction point, and the distance between this first conductive junction point and this second conductive junction point is greater than the distance between this second conductive junction point and the 3rd conductive junction point.Can be about the advantages and spirit of the present invention by following detailed Description Of The Invention and appended graphic being further understood.
Description of drawings
Figure 1A is the synoptic diagram that illustrates the touch control induction device of one specific embodiment according to the present invention.
Figure 1B is the synoptic diagram that illustrates the indicating member contact touch control induction device of one specific embodiment according to the present invention.
Fig. 2 A is the synoptic diagram that illustrates the touch control induction device of one specific embodiment according to the present invention.
Fig. 2 B illustrates the indicating member contact and applies the synoptic diagram of external force in the touch control induction device of Fig. 2 A.
Fig. 2 C is the synoptic diagram that illustrates the touch control induction device of another specific embodiment according to the present invention.
Fig. 2 D illustrates the indicating member contact and applies the synoptic diagram of external force in the touch control induction device of Fig. 2 C.
Fig. 2 E illustrates the indicating member contact and applies the synoptic diagram of external force in the touch control induction device of Fig. 2 C.
The primary clustering symbol description
1,3: touch control induction device 10,30: touch-control sensing assembly
12,32: processing unit 100,300: accommodation space
102,1020: the first conductive layers of 302: the first substrate layers
1022: the first dielectric layers 104,304: the second substrate layers
1042: the second dielectric layers of 1040: the second conductive layers
1000,3000: fluid 106,306: driver
108,308: sensor
1080,3080,3082,3084: sensing cell
140,340: the first electric charges 142,342: the second electric charges
Tricharged 2,4 in 144: the: indicating member
20: the four electric charge P1: first fluid part
P2: second fluid section 3040: conductive layer
3042: dielectric layer
Embodiment
See also Figure 1A, Figure 1A is the synoptic diagram that illustrates the touch control induction device 1 of one specific embodiment according to the present invention.Shown in Figure 1A, touch control induction device 1 comprises touch-control sensing assembly 10 and processing unit 12.Touch-control sensing assembly 10 further comprises accommodation space 100, first substrate layer 102, second substrate layer 104, driver 106 and sensor 108.
In this specific embodiment, first substrate layer 102 comprises first conductive layer 1020 and first dielectric layer 1022; 104 of second substrate layers comprise second conductive layer 1040 and second dielectric layer 1042.First substrate layer 102 and second substrate layer 104 limit accommodation spaces 100, and accommodation space 100 can hold fluid 1000, wherein, and first dielectric layer 1022 and second dielectric layer, 1042 contacting with fluid 1000.Note that in practice, can sidewall be set in the side of accommodation space in case fluid stopping is external spills accommodation space and cause touch control induction device to damage.In addition, in this specific embodiment, first substrate layer 102 and second substrate layer 104 are to make with transparent material, and fluid 1000 is fluids of transparent and electrically conductive.Yet in practice, first substrate layer 102 and second substrate layer also may be made with trnaslucent materials or opaque material, and fluid 1000 also may be for translucent or opaque.
Before touch control induction device 1 was operated, driver 106 can provide at least one each and every one first electric charge, 140 to first conductive layers 1020, at least one each and every one second electric charge, 142 to second conductive layers 1040 and at least one each and every one tricharged 144 to fluid 1000 earlier.Wherein, first electric charge 140 and second electric charge 142 are positive polarity, and 144 of trichargeds are negative polarity.In practice, first electric charge 140 and second electric charge, 142 same polarities and tricharged 144 get final product with aforementioned both reversed polarity.Note that the quantity that driver provides first electric charge 140, second electric charge 142 and tricharged 144 must be not identical with the quantity of figure A in practical application, see user or deviser's demand and decide.In addition, in practice, driver 106 can further comprise the driver element that is arranged in the fluid providing electric charge to fluid, and these driver elements also can merge with sensing cell and become the unit with complex function.
By the wet effect of electricity, fluid 1000 presents the geometric shape as Figure 1A, and its geometric shape will change according to the variation of the relative populations of first electric charge 140, second electric charge 142 and tricharged 144.
When indicating member 2 was less than or equal to a threshold values near first substrate layer 102 and its distance, the 4th electric charge 20 that is had on the indicating member 2 can change the quantity of first electric charge 140.Note that threshold values herein is relevant with the material of first substrate layer 104.If this threshold values is zero, expression indicating member 2 needs contact first substrate layer 102 and changes first electric charge 140 by conduction pattern; On the other hand, if this threshold values is non-vanishing, expression indicating member 2 can not contact first substrate layer 102 and change first electric charge 140 by induction mode.When first electric charge 140 changed, the geometric shape of fluid 1000 changed, and causes the electrical specification of fluid 1000 also to change thereupon.In this specific embodiment, the electrical specification of fluid 1000 is equiva lent impedances of fluid 1000.Yet in practice, the electrical specification of fluid 1000 also may be other suitable character.
According to another specific embodiment, first substrate layer 102 of Figure 1A can be made by resilient material, will produce deformation and force fluid 1000 when first substrate layer 102 is subjected to external force.Therefore, when indicating member 2 contact first substrate layer 102, first substrate layer 102 is produced pressure and causes its deformation, the related geometric shape that makes fluid 1000 changes and causes its electrical specification to produce thereupon and changes.
In practice, the touch control induction device 1 of a last specific embodiment also can be in order to the sensing contact pressure.For example, if being resilient material and the geometric shape of controlling fluid 1000 earlier, first substrate layer 102 changes the first fluid part P1 and the second fluid section P2 shown in Figure 1B, when indicating member 2 contacts and brings pressure to bear on first substrate layer 102 above a degree, the first fluid part P1 and the second fluid section P2 can contact with each other the electrical variation that causes sensor 108 to sense can judge first substrate layer, 102 deformation degree, further calculates the pressure that puts on first substrate layer 102 again.
In addition, the sensing signal that processing unit 12 can be produced in order to receiving sensor 108, and judge the touch-control state of touch control induction device 1 according to sensing signal.After touch-control finished, driver 106 can make the quantity of first electric charge 140, second electric charge 142 and tricharged 144 reply, and then made the geometric configuration of fluid 1000 and electrical specification revert to the not preceding state of touch-control.
Above-mentioned touch control induction device can further comprise a plurality of touch-control sensing assemblies in practice.The touch-control state of each touch-control sensing assembly of sensing can be distinguished by the sensor that is arranged at each touch-control sensing assembly, therefore, the multiple spot function of touch-control simultaneously can be reached.
The touch-control process of above-mentioned specific embodiment be to increase because of ectocine has caused electric wet effect, and its fluid electrical specification of sensing changes to judge the touch-control state.By touch control induction device design itself, can utilize open circuit/off state to carry out touch control operation, or the equiva lent impedance that the different geometric shapes of accurate sensing cell measurement fluid of arranging in pairs or groups are caused is to carry out touch control operation.Yet, when first electric charge of charge polarity that indicating member had and touch control induction device not simultaneously, carry out the reduction that touch-control will cause the wet effect of electricity.In order to keep the actual induction of touch-control, measure the fluid electrical specification the various Aided Design of also can arranging in pairs or groups except utilizing above-mentioned accurate sensing cell.
For example, utilization has specific electrical indicating member (as the touch-control sensing pen) and replaces other and have not specific electrical indicating member (as finger) and carry out touch-control, can cause when guaranteeing to carry out touch-control the fluid electrical specification that is enough to influence the primary circuit state to change.In addition, also can the induction correction zone be set earlier at the indicating member surface, this induction correction zone can be measured the charge polarity and the quantity on indicating member surface earlier before carrying out touch control operation, and according to gained as a result Control Driver corresponding polarity is provided electric charge to touch control induction device, can cause when guaranteeing to carry out touch-control the fluid electrical specification that is enough to influence the primary circuit state to change.
On the other hand, when light source incident touch control induction device, because first substrate layer, second substrate layer and fluid have high-transmittance, light source can pass through touch control induction device.Therefore, touch control induction device of the present invention can be used on the touch-control treating apparatus, for example, but is not subject to personal digital assistant or mobile phone.In addition, because the geometric shape of fluid changes the direct of travel that can change light source when carrying out touch-control, if indicating member leaves the geometric shape when fluid still keeps touch-control behind the touch control induction device, it is different with other regional light source characteristic to make the user observe out this part, and then makes touch control induction device of the present invention reach the function of handwriting pad.
See also Fig. 2 A, Fig. 2 A is the synoptic diagram that illustrates the touch control induction device 3 of one specific embodiment according to the present invention.Shown in Fig. 2 A, touch control induction device 3 comprises touch-control sensing assembly 30 and processing unit 32.Touch-control sensing assembly 30 further comprises accommodation space 300, first substrate layer 302, second substrate layer 304, driver 306 and sensor 308.
In this specific embodiment, second substrate layer 304 comprises conductive layer 3040 and dielectric layer 3042.First substrate layer 302 and second substrate layer 304 limit accommodation space 300, and accommodation space 300 can hold fluid 3000, wherein, and dielectric layer 3042 contacting with fluid 3000.Note that in practice, can sidewall be set in the side of accommodation space in case fluid stopping is external spills accommodation space and cause touch control induction device to damage.Similarly, first substrate layer 302 and second substrate layer 304 are to make with transparent material, and fluid 3000 is fluids of transparent and electrically conductive.
In this specific embodiment, driver 306 can provide at least one each and every one first electric charge 340 to conductive layer 3040 and provide at least one each and every one second electric charge 342 to fluid 3000.By the wet effect of electricity, fluid 3000 can present the geometric shape as Fig. 2 A, and in addition, first electric charge 340 that driver 306 is provided by change and the quantity of second electric charge 342 can change the geometric shape of fluid 3000.Similarly, driver also can comprise the driver element that is arranged in the fluid in practice, to provide electric charge to fluid.
According to the material behavior of first substrate layer 302, can calculate the external force of its acceptance and the relativeness of its deformation.Therefore, material behavior by first substrate layer 302, can instead release when processing unit 32 judges that the touch-control state changes (in this specific embodiment, circuit state changes over channel status by off state), first substrate layer 302 is subjected to the external force size of indicating member 4.Further, by the geometric shape of driver 308 control fluids 3000, can control the external force threshold values of the external force of this specific embodiment indirectly.
In practical application, first substrate layer also can be designed to have the structure of conductive layer and dielectric layer.Driver provides the conductive layer of corresponding first substrate layer, the conductive layer of second substrate layer and the electric charge of fluid simultaneously, causes fluid to form to fit in respectively two fluid sections on the dielectric layer of the dielectric layer of first substrate layer and second substrate layer.When being instructed to the unit, pushes first substrate layer, and when its external force of pushing reaches an external force threshold values, two fluid sections will contact with each other and make circuit state change over channel status and sensed unit senses by off state, and then produce sensing signal to processing unit.
See also Fig. 2 C, Fig. 2 D and Fig. 2 E, Fig. 2 C is the synoptic diagram that illustrates the touch control induction device 3 of another specific embodiment according to the present invention; Fig. 2 D illustrates indicating member 4 contacts and applies the synoptic diagram of external force in the touch control induction device 3 of Fig. 2 C; Fig. 2 E illustrates indicating member 4 contacts and applies the synoptic diagram of external force in the touch control induction device 3 of Fig. 2 C.Shown in Fig. 2 C, this specific embodiment is different with a last specific embodiment be in, the sensing cell 3080,3082 and 3084 of the sensor of this specific embodiment all is arranged on second substrate layer 304, and all the other each several parts are identical with above-mentioned specific embodiment, repeat no more in this.Note that for for the purpose of drawing is clean and tidy, do not illustrate sensor, driver and processing unit in this.First electric charge 340 that driver provides and the quantity of second electric charge 342 make fluid 3000 present the geometric shape that shows as figure.
In this specific embodiment, sensing cell 3082 to the distance of sensing cell 3080 less than the distance of sensing cell 3080 to sensing cell 3084.When the external force that puts on first substrate layer 302 when indicating member 4 surpassed the first external force threshold values, first substrate layer 302 can force fluid 3000 and is made fluid 3000 contact sensing unit 3082, shown in Fig. 2 D.The circuit state that this moment, sensor can sense 3082 of sensing cell 3080 and sensing cells changes over channel status by off state originally, and then the generation sensing signal is to processing unit.
Further, when surpassing the second external force threshold values when indicating member 4 its externally applied forces of increasing, first substrate layer 302 is understood further force fluid 3000 and is made fluid 3000 contact sensing unit 3084, shown in Fig. 2 E.The circuit state that this moment, sensor can sense 3084 of sensing cell 3080 and sensing cells changes over channel status by off state originally, and then the generation sensing signal is to processing unit.
In practice, a plurality of sensing cells can be set on second substrate layer, fluid contacts one of them (being defined as first sensing cell) of these sensing cells and does not contact with other sensing cell (being defined as second sensing cell), in addition, the different distance of being separated by respectively between each second sensing cell and first sensing cell.When indicating member contact and when pushing first substrate layer, fluid is oppressed and may contact second sensing cell, causes the circuit state between first sensing cell and second sensing cell to change over channel status by off state.According to the Unit second farthest or the quantity of channel status of the first sensing cell conducting, can judge that indicating member puts on the external force size on first substrate layer.
As mentioned above, when fluid suffers oppression and contacts one second sensing cell and cause a channel status, expression indicating member externally applied forces surpasses the pairing first external force threshold values of this second sensing cell or the second external force threshold values, therefore according to the Unit second farthest or the quantity of channel status of the first sensing cell conducting, can judge external force between two different force threshold values, use and infer its external force size.Note that the pairing external force threshold values of second sensing cell can decide according to the parameters such as volume of distance, fluid behaviour and fluid between material behavior, first sensing cell and second sensing cell of first substrate layer.
Compared to prior art, touch control induction device of the present invention and touch-control sensing assembly are to change touch control induction device and the original state of charge of touch-control sensing assembly by the state of charge on the contactant, utilize the wet effect of electricity to cause the geometric shape of fluid wherein and electrical specification to change, judge its touch-control state via measuring the fluid electrical specification again.Because its structure all can use transparent material, so touch control induction device and touch-control sensing assembly itself have high-transmittance.In addition, touch control induction device can comprise a plurality of touch-control sensing assemblies, to realize function of multi-spot touch.On the other hand, by the state of charge difference that gives the touch-control sensing assembly, touch control induction device also can be measured the function of the external force that puts on the touch-control sensing assembly.
By the above detailed description of preferred embodiments, be to wish to know more to describe feature of the present invention and spirit, and be not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category of claim of being arranged in of various changes and tool equality institute of the present invention desire application.Therefore, the category of the claim that the present invention applied for should be done the broadest explanation according to above-mentioned explanation, contains the arrangement of all possible change and tool equality to cause it.
Claims (16)
1. touch-control sensing assembly comprises:
First substrate layer comprises first dielectric layer and first conductive layer;
Second substrate layer comprises second dielectric layer and second conductive layer, and described first substrate layer and second substrate layer limit an accommodation space in order to hold fluid, and described fluid contacts described first dielectric layer and/or described second dielectric layer;
Driver, in order to provide at least one first electric charge to described first conductive layer, provide at least one second electric charge to described second conductive layer, and provide at least one tricharged to described fluid, the polarity of wherein said first electric charge is identical with described second electric charge and opposite with described tricharged; And
Sensor, comprise at least two sensing cells that are arranged in the described accommodation space, electrical specification in order to the described fluid of sensing, described electrical specification is the equiva lent impedance of described fluid, wherein said at least two sensing cells further comprise: first conductive junction point is arranged in the described fluid and contiguous described first substrate layer; And second conductive junction point, be arranged in the described fluid and contiguous described second substrate layer; Wherein, described sensor is by the described electrical specification of described first conductive junction point and the described fluid of the described second conductive junction point sensing, and described electrical specification is the equiva lent impedance of described fluid;
Wherein these first electric charges, these second electric charges and these trichargeds determine the geometric shape of described fluid; Wherein when the distance between indicating member that has at least one the 4th electric charge and described first substrate layer during less than a threshold values, these the 4th electric charges change these first electric charges, and then change the geometric shape of described fluid, cause the described electrical specification of described fluid to change.
2. touch-control sensing assembly according to claim 1, wherein said first substrate layer has elasticity, and when an external force acted on described first substrate layer, described first substrate layer can produce deformation according to described external force.
3. a touch control induction device is used for a touch-control treating apparatus, and described touch control induction device comprises:
First substrate layer comprises first dielectric layer and first conductive layer;
Second substrate layer comprises second dielectric layer and second conductive layer, and described first substrate layer and second substrate layer limit an accommodation space in order to holding fluid,
Described fluid contacts described first dielectric layer and/or described second dielectric layer;
Driver, in order to provide at least one first electric charge to described first conductive layer, provide at least one second electric charge to described second conductive layer, and provide at least one tricharged to described fluid, the polarity of wherein said first electric charge is identical with described second electric charge and opposite with described tricharged;
Sensor, comprise at least two sensing cells that are arranged in the described accommodation space, electrical specification in order to the described fluid of sensing, described electrical specification is the equiva lent impedance of described fluid, wherein said at least two sensing cells further comprise: first conductive junction point is arranged in the described fluid and contiguous described first substrate layer; And second conductive junction point, be arranged in the described fluid and contiguous described second substrate layer; Wherein, described sensor is by the described electrical specification of described first conductive junction point and the described fluid of the described second conductive junction point sensing, and described electrical specification is the equiva lent impedance of described fluid; And
Processing unit in order to receiving sensing signal, and is judged the touch-control state of described touch control induction device according to described sensing signal;
Wherein these first electric charges, these second electric charges and these trichargeds determine the geometric shape of described fluid; Wherein when the distance between indicating member that has at least one the 4th electric charge and described first substrate layer during less than a threshold values, these the 4th electric charges change these first electric charges, and then change the geometric shape of described fluid, cause the described electrical specification of described fluid to change.
4. touch control induction device according to claim 3, wherein said first substrate layer has elasticity, and when an external force acted on described first substrate layer, described first substrate layer can produce deformation according to described external force.
5. touch control induction device according to claim 3, the geometric shape of wherein said fluid are subjected to the influence of described the 4th electric charge and are changed to first fluid described first dielectric layer of partly fitting, and second fluid section described second dielectric layer of fitting.
6. touch control induction device according to claim 5, wherein said first fluid part and described second fluid section can change the direct of travel of an incident light source.
7. touch control induction device according to claim 3, wherein said touch-control treating apparatus is a personal digital assistant.
8. touch control induction device according to claim 3, wherein said touch-control treating apparatus is a mobile phone.
9. touch-control sensing assembly comprises:
First substrate layer;
Second substrate layer, described second substrate layer comprises dielectric layer and conductive layer, and described first substrate layer and described second substrate layer limit an accommodation space in order to hold fluid, and described fluid contacts described dielectric layer;
Driver in order to providing at least one first electric charge to described conductive layer, and provides at least one second electric charge to described fluid, the polarity of wherein said first electric charge and described second opposite charge; And
Sensor, comprise at least three sensing cells, be arranged on the described dielectric layer, and one of them of described at least three sensing cells contacts described fluid, electrical specification in order to the described fluid of sensing, described electrical specification is the equiva lent impedance of described fluid, wherein said sensor comprises first conductive junction point, second conductive junction point and the 3rd conductive junction point, and the distance between described first conductive junction point and described second conductive junction point is greater than the distance between described second conductive junction point and described the 3rd conductive junction point;
Wherein, when described touch-control sensing assembly was accepted an external force and described external force and surpassed an external force threshold values, described first substrate layer was oppressed described fluid, and the geometric shape of described fluid changes, and causes the described electrical specification of described fluid to change.
10. touch-control sensing assembly according to claim 9, wherein said first substrate layer is made by transparent material.
11. touch-control sensing assembly according to claim 9, wherein said first substrate layer is made by conductive material.
12. a touch control induction device is used for a touch-control treating apparatus, described touch control induction device comprises:
First substrate layer;
Second substrate layer, described second substrate layer comprises dielectric layer and conductive layer, and described first substrate layer and described second substrate layer limit an accommodation space in order to hold fluid, and described fluid contacts described dielectric layer;
Driver in order to providing at least one first electric charge to described conductive layer, and provides at least one second electric charge to described fluid, the polarity of wherein said first electric charge and described second opposite charge;
Sensor, comprise at least three sensing cells, be arranged on the described dielectric layer, and one of them of described at least three sensing cells contacts described fluid, electrical specification in order to the described fluid of sensing, described electrical specification is the equiva lent impedance of described fluid, wherein said sensor comprises first conductive junction point, second conductive junction point and the 3rd conductive junction point, and the distance between described first conductive junction point and described second conductive junction point is greater than the distance between described second conductive junction point and described the 3rd conductive junction point; And
Processing unit in order to receiving described sensing signal, and is judged the touch-control state of described touch control induction device according to described sensing signal;
Wherein, when described touch-control sensing assembly was accepted an external force and described external force and surpassed an external force threshold values, described first substrate layer was oppressed described fluid, and the geometric shape of described fluid changes, and causes the described electrical specification of described fluid to change.
13. touch control induction device according to claim 12, wherein said first substrate layer is made by transparent material.
14. touch control induction device according to claim 12, wherein said first substrate layer is made by conductive material.
15. touch control induction device according to claim 12, wherein said touch-control treating apparatus is a personal digital assistant.
16. touch control induction device according to claim 12, wherein said touch-control treating apparatus is a mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100898936A CN101556515B (en) | 2008-04-08 | 2008-04-08 | Touch sensing assembly and touch sensing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100898936A CN101556515B (en) | 2008-04-08 | 2008-04-08 | Touch sensing assembly and touch sensing device |
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| CN101556515A CN101556515A (en) | 2009-10-14 |
| CN101556515B true CN101556515B (en) | 2011-03-30 |
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| CN2008100898936A Expired - Fee Related CN101556515B (en) | 2008-04-08 | 2008-04-08 | Touch sensing assembly and touch sensing device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102193670A (en) * | 2010-03-17 | 2011-09-21 | 谊达光电科技股份有限公司 | Proximity sensing panel |
| CN108021293B (en) | 2016-10-28 | 2021-11-09 | 京东方科技集团股份有限公司 | Touch panel, sensing method thereof and display device |
| CN106681560B (en) * | 2017-01-03 | 2019-12-06 | 京东方科技集团股份有限公司 | Touch screen and driving method thereof |
| CN109905113B (en) * | 2019-03-05 | 2023-07-07 | 京东方科技集团股份有限公司 | Touch control assembly and remote control device |
| CN110109566B (en) * | 2019-04-23 | 2021-07-06 | 精电(河源)显示技术有限公司 | Touch device with force sensor |
| CN111327306B (en) * | 2020-02-26 | 2023-03-21 | 业成科技（成都）有限公司 | Touch button and operating handle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1950725A (en) * | 2004-05-07 | 2007-04-18 | 皇家飞利浦电子股份有限公司 | Electrowetting cell and method of manufacturing an electrowetting cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1950725A (en) * | 2004-05-07 | 2007-04-18 | 皇家飞利浦电子股份有限公司 | Electrowetting cell and method of manufacturing an electrowetting cell |
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