CN203588234U - Digital capacitance touch control panel - Google Patents

Digital capacitance touch control panel Download PDF

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Publication number
CN203588234U
CN203588234U CN201320448062.XU CN201320448062U CN203588234U CN 203588234 U CN203588234 U CN 203588234U CN 201320448062 U CN201320448062 U CN 201320448062U CN 203588234 U CN203588234 U CN 203588234U
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touch
electrode unit
sensing electrode
touching signals
electrode
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不公告发明人
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XINLI TECHNOLOGY (SHENZHEN) Co Ltd
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XINLI TECHNOLOGY (SHENZHEN) Co Ltd
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Abstract

The utility model relates to a digital capacitance touch control panel comprising a touch control base plate and a touch control circuit. The touch control circuit is provided with a touch control excitation source and a touch control signal detecting circuit; sensing electrode units are arranged on touch control base plate in an array way; each sensing electrode unit is provided with an independent extraction electrode line; each extraction electrode line is connected with the touch control circuit; the extraction electrode line of each sensing electrode unit is a connecting electrode line on the touch control panel and connecting each electrode unit to the edge of the touch control panel; when the excitation touch control circuit is touch controlled by the extraction electrode line, touch control signals are applied to the sensing electrode units; and at least one sensing electrode unit applied by the touch control signal is chosen by the touch control signal detecting circuit as a detecting electrode. The digital capacitance touch control panel is simply structured with low cost and high reliability.

Description

A kind of digital capacitance contact panel
Technical field
The present invention relates to contact panel, relate in particular to capacitance type touch-control panel.
Background technology
Touch is the most important perceptive modes of the mankind, is that human and computer carries out the most natural interactive mode.Contact panel is developed so far various fields such as being widely used in personal computer, smart phone, public information, intelligent appliance, Industry Control.In current touch-control field, mainly contain electric resistance touch-control panel, photo-electric contact panel, ultrasonic type contact panel, surface-capacitive touch panel, projective capacitive touch panel development is in recent years rapidly.
Electric resistance touch-control panel is still leading products in the market, but the structure of the double layer substrate of electric resistance touch-control panel, while making the use stacked together of contact panel and display panel, the display qualities such as the reflective very brightness, contrast, color saturation that impact shows of contact panel, whole display quality is declined greatly, and strengthen display panel brightness backlight, also can make power consumption rise sharply; Also there is the problem of location drift in analog resistance contact panel, frequently will carry out position correction; In addition, the working method of electric resistance touch-control panel electrode contact, makes again the life-span of contact panel shorter.
Infrared-type touch panel and ultrasonic type contact panel can not affect display quality.But infrared-type touch panel and ultrasonic type contact panel cost are high, water droplet and dust all can affect the reliability of contact panel work, particularly infrared-type touch panel and ultrasonic type contact panel mechanism complexity, power consumption are large, and infrared-type touch panel and ultrasonic type contact panel cannot be applied on portable product substantially.
The structure of the single layer substrate of surface-capacitive touch panel, while making the use stacked together of contact panel and display panel, contact panel is little on the impact of display quality.But also there is the problem of location drift in surface-capacitive touch panel, frequently will carry out position correction; Water droplet also can affect the reliability of contact panel work; Particularly surface-capacitive touch panel power consumption is large, cost is high, also allows surface-capacitive touch panel substantially cannot be applied on portable product.
Projective capacitive touch panel is single layer substrate structure still, and while also making the use stacked together of contact panel and display panel, contact panel is little on the impact of display quality.But projective capacitive touch panel is not real digital contact panel, anchor point need to pass through analog computation, distributed capacitance in manufacture and environment for use all can affect the reliability of contact panel work, the interference of display drive signals and other electric signal all can affect the work of contact panel, and water droplet also can affect the reliability of contact panel work; In addition, projective capacitive touch panel has higher requirements to the resistance value aspect of exploring electrode line, make the exploring electrode line with the projective capacitive touch panel of display panel use stacked together, can not only have the low conductivity transparent electrode layer as ITO sample, also will be just like the high conductivity electrode layer of metal species, manufacture technology complexity, cost are high, particularly at large scale, high cost aspect oversize contact panel even.
Publication number is the patent that CN101887333A name is called a < < digital capacitive touch screen > >, a kind of digital capacitance contact panel has been proposed, by touch base plate and touch-control circuit etc., formed, on touch base plate, be provided with the electrode group that is no less than two sets intersect, each strip electrode line connects touch-control circuit, each moment selects many strip electrodes line as detecting electrode, many detecting electrode lines are applied to touching signals simultaneously, and detect the variation of touching signals on many detecting electrode lines, or each moment selection portion sub-electrode line is as detecting electrode, when detecting electrode line is applied touching signals and detects the variation of touching signals on detecting electrode line, also non-detecting electrode line is applied to touching signals, this scheme is by apply touching signals to detecting electrode and non-detecting electrode simultaneously, reduce touching signals flowing between detecting electrode and between detecting electrode and non-detecting electrode, controlled the flow direction of touching signals, by the accuracy to the utmost point judgement that gets an electric shock, bring up to distinguishable each strip electrode line, really realize digital capacitance touching control panel.This patent need to arrange the electrode wires of two sets intersect, belongs on different electrode wires layers, and manufacture craft relative complex, need to carry out from two data of ranks definite relative complex of position of touch to the judgement of position of touch.
Summary of the invention
The present invention is exactly in order to realize simply independently digital capacitance contact panel.The present invention is by arranging the sensing electrode unit of array arrangement, each sensing electrode unit has separately independently extraction electrode line, on multiple sensing electrodes unit, apply touching signals simultaneously, crosstalking of anti-stop signal, detect one by one the variation of touching signals on sensing electrode unit or touching signals, determine position of touch, on single-layer electrodes, realize digital capacitance touching control panel.
Technical matters of the present invention is solved by following technical scheme:
A kind of digital capacitance contact panel, comprises touch base plate and touch-control circuit, and touch-control circuit has touch-control driving source and touching signals circuit for detecting; On touch base plate, be provided with sensing electrode cell array, each sensing electrode unit has independently extraction electrode line, and the extraction electrode line of each sensing electrode unit connects touch-control circuit; Described sensing electrode cell array, refers in two mutually orthogonal directions at any one place, sensing electrode unit, all have be respectively no less than two, with arranged with interval separately, mutually disjoint or the independent sensing electrode unit of non-overlapping copies; The extraction electrode line of described sensing electrode unit, refers to the connection sensing electrode unit that is arranged on the contact panel electric conduction polar curve to contact panel edge; In the period of touch-control circuit work, there is at least one moment, touch-control driving source applies touching signals to multiple sensing electrodes unit simultaneously, and it is detecting electrode that touching signals circuit for detecting is selected wherein at least one sensing electrode unit; Described detecting electrode refers to when this sensing electrode unit is applied with to touching signals, the sensing electrode unit that also touching signals of this sensing electrode unit of detecting inflow or touching signals change.
According to another concrete aspect of the present invention, described each sensing electrode unit connects the extraction electrode line of touch-control circuit, is to be connected on the different leading foot of touch-control circuit.
According to another concrete aspect of the present invention, described touch-control driving source applies touching signals to multiple sensing electrodes unit simultaneously, refers to touch-control driving source to two or applies touching signals more than two or all sensing electrode unit simultaneously; The position of multiple sensing electrode unit that are applied with touching signals on contact panel is adjacent one another are; Sensing electrode adjacent one another are unit, described position is that colleague is or/and all or part sensing electrode unit of same column.
According to another concrete aspect of the present invention, it is detecting electrode that described touching signals circuit for detecting is selected wherein at least one sensing electrode unit, refer to detecting electrode is applied to touching signals, and detect and flow on detecting electrode unit when touching signals changes, also non-detecting electrode is applied to touching signals; The described non-detecting electrode that applies touching signals is all or part sensing electrode unit that connects touch-control circuit.
According to another concrete aspect of the present invention, on described each sensing electrode unit, amplitude, frequency, phase place or the coding of the touching signals that applies are identical, or at least one item in the amplitude of the touching signals that applies, frequency, phase place or coding is different.
According to another concrete aspect of the present invention, it is that the mode scanning is carried out that described touch-control circuit is selected detecting electrode, do not select in the same time different sensing electrodes unit as detecting electrode, timesharing detecting flows into the touching signals of different detecting electrodes or the variation of touching signals.
According to another concrete aspect of the present invention, described touch-control circuit synchronization, selects different multiple sensing electrodes unit as different detecting electrodes, and detecting simultaneously flows into the touching signals of different detecting electrodes or the variation of touching signals.
According to another concrete aspect of the present invention, the detecting of described touch-control circuit flows into touching signals on sensing electrode unit or the variation of touching signals, detecting be at least one in current signal and voltage signal; The current signal of described detecting or voltage signal are at least one in amplitude, time, phase place, frequency signal and umber of pulse.
According to another concrete aspect of the present invention, described touch-control circuit, by detecting, flow into touching signals on each sensing electrode unit or the difference of touching signals variable quantity or touching signals rate of change, determine by sense of touch survey electrode unit, or by calculating determine sensing electrode unit by tactile position.
According to another concrete aspect of the present invention, described touch-control circuit, it is the Wei Beichu position, position that touching signals or touching signals variable quantity or touching signals rate of change maximum detected, or to detect that touching signals or touching signals variable quantity or touching signals rate of change exceed the Wei Beichu position, position of certain setting threshold, or to detect that touching signals or touching signals variable quantity or touching signals rate of change are maximum and to exceed the Wei Beichu position, position of certain setting threshold.
According to another concrete aspect of the present invention, the sensing electrode unit on described touch base plate and extraction electrode line thereof, be the non-touch face in touch base plate, or on the touch face in touch base plate.
According to another concrete aspect of the present invention, described digital capacitance contact panel, that upper substrate take display panel is as touch base plate, sensing electrode cell array and extraction electrode line thereof are all arranged on the outside surface of display panel upper substrate, the upper substrate of described display panel refers to the substrate of more close user's one side in display panel two plate bases, and described upper substrate outside surface refers to the upper substrate surface of another substrate dorsad.
According to another concrete aspect of the present invention, between described touch-control sensing electrode unit array and upper substrate outside surface, there is guarded electrode, when described sensing electrode unit is applied to touching signals, also described guarded electrode is applied and the driving signal of touch-control pumping signal same waveform, same frequency, same phase.
According to another concrete aspect of the present invention, described digital capacitance contact panel, that upper substrate take display panel is as touch base plate, sensing electrode cell array and extraction electrode line thereof are all arranged on the inside surface of display panel upper substrate, the upper substrate of described display panel refers to the substrate of more close user's one side in display panel two plate bases, and described upper substrate inside surface refers to the surface of upper substrate towards another substrate; Sensing electrode unit and extraction electrode line thereof, in showing between public electrode and upper substrate inside surface, show between public electrode and sensing electrode unit and extraction electrode line thereof and have insulation course; The demonstration of described digital capacitance contact panel and touch-control are that timesharing is carried out, when described sensing electrode unit is applied to touching signals, also to described demonstration public electrode, apply the driving signal with touch-control pumping signal same waveform, same frequency, same phase.
According to another concrete aspect of the present invention, described digital capacitance contact panel, that upper substrate take display panel is as touch base plate, the demonstration public electrode of above substrate inside surface or the guarded electrode of upper substrate outside surface are as sensing electrode unit, show that public electrode or guarded electrode are cut into some independently small electrodes unit, each small electrode unit has independently extraction electrode line; The extraction electrode line of each small electrode unit connects respectively display driver circuit and touch-control circuit by gating device, shows with touch-control timesharing and carries out; In the display driver period, described gating device makes small electrode unit be communicated with display driver circuit, applies display or shielded signal to small electrode unit; In the touch detection period, described gating device makes small electrode unit be communicated with touch-control circuit, applies touching signals to small electrode unit.
According to another concrete aspect of the present invention, the frequency of the touching signals of described touch-control circuit to the output of sensing electrode unit is not less than 20K Hz.
According to another concrete aspect of the present invention, on the sensing electrode unit on described touch base plate and extraction electrode line thereof, be provided with protective seam.
According to another concrete aspect of the present invention, on described touch base plate, the edge of the edge of sensing electrode unit or extraction electrode line is broken line, and on broken line, the angle of two adjacent straight lines is greater than 20 ° and is less than 160 °.
According to another concrete aspect of the present invention, described touch base plate is flexible or rigid transparency carrier.
The beneficial effect that the present invention is compared with the prior art is:
Because sensing electrode unit is that array arrangement is on the touch area of whole contact panel, when operator's finger touches by sense of touch survey electrode unit, also can touch the adjacent or close non-extension line of being surveyed electrode unit by sense of touch, touch-control circuit is surveyed on electrode unit and also may be detected touching signals by sense of touch non-, thereby generation signal cross-talk, by non-, by sense of touch survey electrode unit, be mistaken for by sense of touch and survey electrode unit, cause the misjudgment of position of touch, or cause producing deviation when touch surface lining out, the sensing electrode unit of array arrangement is set in the technical program on contact panel, and multiple sensing electrode unit is applied to touching signals simultaneously, efficiently solve the problem of signal cross-talk between the sensing electrode unit of array arrangement: sensing electrode unit multiple in the sensing electrode unit that pair array is arranged apply touching signals simultaneously, operator finger or other touch control objects touch while being surveyed on electrode unit and the adjacent or close non-extension line of being surveyed electrode unit by sense of touch by sense of touch, from the electric current of operator's finger or the outflow of other touch control objects, to be provided by multiple touch-control electrodes simultaneously, namely by sense of touch, surveyed electrode unit and non-ly by sense of touch, surveyed the extension line of electrode unit and to touch control object, provide electric current simultaneously, each touch-control electrode stream is proportional to finger or other touch control objects and touches the area of each touch-control electrode to finger or the size of current of other touch control objects, in finger or the size of other touch control objects during much larger than the width of sensing electrode unit extension line, finger or other touch control objects touch will be much larger than touching the non-area of being surveyed electrode unit extension line by sense of touch by the area of sense of touch survey electrode unit, with respect to the electric current that flows to finger or other touch control objects from being surveyed electrode unit by sense of touch, just negligible from the non-electric current by sense of touch survey electrode unit extension line flow direction finger or other touch control objects like this.
The present invention can realize relatively simply independently digital capacitance contact panel, the sensing electrode unit setting of arranging by pair array extraction electrode line independently separately, whether touching signals on each extraction electrode line and the sensing electrode unit that changes corresponding relevant position thereof touch, only need to carry out a touch detection just can determine touch-control, makes the detecting of touch-control become simple.
Digital capacitance contact panel of the present invention, at operator finger or other touch control objects, touch while being surveyed electrode unit by sense of touch, although also can touch the non-extension line of being surveyed electrode unit by sense of touch, sensing electrode unit multiple in the sensing electrode unit that pair array is arranged apply touching signals simultaneously, just greatly reduced crosstalking of touching signals, controlled the flow direction of touching signals, to quilt be touched to the accuracy of position judgment, specific to each sensing electrode unit, really realize digital capacitance touching control panel.
Amplitude, phase place, frequency or coding to touching signals that each detecting electrode applies also can be adjusted into difference, it is different that amplitude, phase place, the frequency of amplitude to touching signals that non-detecting electrode applies, phase place, frequency or coding and the touching signals that detecting electrode is applied or encode also can be adjusted into, to control more subtly the flow direction of touching signals.
Judge the condition of the polar curve that gets an electric shock, can detect the Wei Beichu position, sensing electrode unit that touching signals changes maximum and exceedes certain setting threshold, touch control type flat-panel display is with single-point touch.The condition of electrode unit is surveyed in judgement by sense of touch, also can, only to detect that touching signals changes the Wei Beichu position, sensing electrode unit that exceedes certain setting threshold, allow digital capacitance contact panel of the present invention allow multi-point touch simultaneously.
Digital capacitance contact panel of the present invention simple in structure, only needs single-layer electrodes pattern, and the usual manufacturing process of applying current panel display board or contact panel easily realizes, and makes the cost of contact panel low, reliability is high.
Accompanying drawing explanation
Fig. 1 is the electrical connection schematic diagram of the specific embodiment of the invention one, two, three;
Fig. 2 is the electrical connection schematic diagram of the specific embodiment of the invention four and mode five;
Fig. 3 is the electrical connection schematic diagram of the specific embodiment of the invention six;
Fig. 4 is the structural representation of the specific embodiment of the invention seven;
Fig. 5 is the structural representation of the specific embodiment of the invention eight;
Fig. 6 is the structural representation of the specific embodiment of the invention nine;
Fig. 7 is the structural representation of the specific embodiment of the invention ten;
Fig. 8 is the electrical connection schematic diagram of the specific embodiment of the invention 11,12,13,14;
Fig. 9 is the structural representation of the specific embodiment of the invention 12;
Figure 10 is the structural representation of the specific embodiment of the invention 13;
Figure 11 is the structural representation of the specific embodiment of the invention 14;
Figure 12 is the structural representation of the specific embodiment of the invention 15;
Figure 13,13a are the structural representations of the specific embodiment of the invention 16.
Embodiment
Embodiment one
Digital capacitance contact panel 100 as shown in Figure 1, comprises touch base plate 110 and touch-control circuit 130 etc.On touch base plate 110, be provided with the sensing electrode unit 120 of m × n array arrangement, each sensing electrode unit is square block, and respectively with (121x × 121y, 121x × 122y, 121x × 12ny, 122x × 121y, 122x × 122y, 122x × 12ny, 123x × 121y, 123x × 122y, 123x × 12ny, 124x × 121y, 124x × 122y, 124x × 12ny, 12mx × 121y, 12mx × 122y, 12mx × 12ny) represent the position of each sensing electrode unit, m, n is greater than 2 positive integer, each sensing electrode unit has separately independently extraction electrode line.Touch-control circuit 130 has touch-control driving source 131 and touching signals circuit for detecting 132 etc.The extraction electrode line of each sensing electrode unit is connected respectively on the different pins of touch-control circuit 130.
All sensing electrodes unit on digital capacitance contact panel 100 applies identical touching signals simultaneously, touch-control circuit is in the mode of scanning, do not select in the same time different sensing electrodes unit as detecting electrode, the variation of touching signals on each sensing electrode unit is detected in timesharing.The process that touch-control circuit 130 carries out touch detection to sensing electrode unit is as follows: the touch-control driving source 131 in touch-control circuit 130 is by each extraction electrode line of sensing electrode cell array 120, all sensing electrode unit are applied to identical touch-control pumping signal simultaneously, touching signals circuit for detecting 132 in touch-control circuit 130 is in the mode of scanning, the touching signals on the each sensing electrode of sensing electrode cell array 120 unit line by line or by column detects, namely each sensing electrode unit of moment touching signals circuit for detecting selection is detecting electrode, touch-control circuit 130 is the Wei Beichu position, position at place, sensing electrode unit of touching signals to be detected, form the digital capacitance contact panel of m × n touch point of identification.
All sensing electrodes unit on digital capacitance contact panel 100 applies identical touching signals simultaneously, when operator finger or other touch control objects touch while being surveyed on electrode unit and the adjacent or close non-extension line of being surveyed electrode unit by sense of touch by sense of touch, from the electric current of operator's finger or the outflow of other touch control objects, to be provided by multiple touch-control electrodes simultaneously, namely by sense of touch, surveyed electrode unit and non-ly by sense of touch, surveyed the extension line of electrode unit and to touch control object, provide electric current simultaneously, each touch-control electrode stream is proportional to finger or other touch control objects and touches the area of each touch-control electrode to finger or the size of other touch control object electric currents, in finger or the size of other touch control objects during much larger than the width of sensing electrode unit extension line, finger or other touch control objects touch will be much larger than touching the non-area of being surveyed electrode unit extension line by sense of touch by the area of sense of touch survey electrode unit, like this with respect to the electric current that flows to finger or other touch control objects from being surveyed electrode unit by sense of touch, just negligible from the non-electric current by sense of touch survey electrode unit extension line flow direction finger or other touch control objects, avoided owing to touching the non-erroneous judgement being caused by sense of touch survey electrode unit extension line.
Positions are touched in touch-control circuit 130 judgement, also can touching signals variable quantity or the Wei Beichu position, position of touching signals rate of change maximum; Or to detect that touching signals or touching signals variable quantity or touching signals rate of change exceed the Wei Beichu position, position of certain setting threshold; Or to detect that touching signals or touching signals variable quantity or touching signals rate of change are maximum and to exceed the Wei Beichu position, position of certain setting threshold.When the variable quantity touching signals to be detected or rate of change exceed certain setting threshold as detection mode, touch-control circuit 130 allows multi-point touch simultaneously, become can multi-point touch digital capacitance contact panel panel.
Touch-control circuit detecting flows into touching signals on sensing electrode unit or the variation of touching signals, detecting be at least one in current signal and voltage signal.
Touch-control circuit detecting flows into touching signals on sensing electrode unit or the variation of touching signals, detecting be at least one in amplitude, time, phase place, frequency signal and umber of pulse.
When allowing operator touch digital capacitance contact panel, the variable quantity of touching signals is enough large, with opposing, disturb and be convenient to measure, will allow touching signals have enough penetration powers, the frequency of the touching signals of touch-control circuit to electrode wires output is not less than 20K Hz.
Embodiment two
Digital capacitance contact panel 100 as shown in Figure 1, comprises touch base plate 110 and touch-control circuit 130 etc.On Trackpad 110, be provided with the sensing electrode unit 120 of m × n array arrangement, and respectively with (121x × 121y, 121x × 122y,, 121x × 12ny, 122x × 121y, 122x × 122y ..., 122x × 12ny, 123x × 121y, 123x × 122y ... 123x × 12ny, 124x × 121y, 124x × 122y ... 124x × 12ny,, 12mx × 121y, 12mx × 122y, 12mx × 12ny) represent the position of each sensing electrode unit, m, n are greater than 2 positive integer, and each sensing electrode unit has separately independently extraction electrode line.Touch-control circuit 130 has touch-control driving source 131 and touching signals circuit for detecting 132 etc.The extraction electrode line of each sensing electrode unit is connected respectively on the different pins of touch-control circuit 130.
Touch-control circuit 130 applies touching signals to adjacent sensing electrode unit, multiple positions on contact panel simultaneously, and select different multiple sensing electrodes unit as different detecting electrodes, detecting simultaneously flows into the touching signals of different detecting electrodes or the variation of touching signals.The process that touch-control circuit 130 carries out touch detection to sensing electrode unit is as follows: the touch-control driving source 131 in touch-control circuit 130, a moment in the touch detection period, to first row sensing electrode unit (121x × 121y, 121x × 122y, 121x × 12ny) each extraction electrode line apply identical touch-control pumping signal simultaneously, remaining sensing electrode unit is not applied to touch-control pumping signal, the first row sensing electrode unit that touching signals circuit for detecting 132 selections in touch-control circuit 130 are applied with identical touching signals is n different detecting electrode, detect the variation of touching signals on n detecting electrode simultaneously, to detect that touching signals changes maximum Wei Beichu position, sensing electrode unit, next moment selection secondary series sensing electrode unit (122x × 121y, 122x × 122y ..., 122x × 12ny) and apply touch-control simultaneously and encourage and detect the variation of touching signals on it, touch-control circuit is take n sensing electrode unit of X row as one group, apply touch-control excitation simultaneously and also detect the mode of the variation of touching signals on different sensing electrodes unit simultaneously, successively all each row sensing electrode unit of contact panel is detected, completed the detecting to the upper sensing electrode of m × n unit on contact panel 100.
Touch-control circuit 130 applies touching signals to adjacent sensing electrode unit, multiple positions on contact panel simultaneously, and select different multiple sensing electrodes unit as different detecting electrodes, when operator finger or other touch control objects touch while being surveyed on electrode unit and the adjacent or close non-extension line of being surveyed electrode unit by sense of touch by sense of touch, from the electric current of operator's finger or the outflow of other touch control objects, to be provided by multiple touch-control electrodes simultaneously, namely by sense of touch, surveyed electrode unit and non-ly by sense of touch, surveyed the extension line of electrode unit and to touch control object, provide electric current simultaneously, each touch-control electrode stream is proportional to finger or other touch control objects and touches the area of each touch-control electrode to finger or the size of other touch control object electric currents, in the size of sensing electrode unit during much larger than the width of sensing electrode unit extension line, finger or other touch control objects touch will be much larger than touching the non-area of being surveyed electrode unit extension line by sense of touch by the area of sense of touch survey electrode unit, like this with respect to the electric current that flows to finger or other touch control objects from being surveyed electrode unit by sense of touch, just negligible from the non-electric current by sense of touch survey electrode unit extension line flow direction finger or other touch control objects, avoided owing to touching the non-erroneous judgement being caused by sense of touch survey electrode unit extension line.
Touch-control circuit is identical to amplitude, phase place, frequency or the coding of the touching signals that applies on each sensing electrode unit, can be also that at least one in the amplitude, phase place, frequency of applied touching signals or coding is different.
The condition of position is touched in judgement, the Wei Beichu position, position of touching signals or touching signals variable quantity or touching signals rate of change maximum can be detected, also can detect that touching signals or touching signals variable quantity or touching signals rate of change exceed the Wei Beichu position, position of certain setting threshold, can also detect that touching signals or touching signals variable quantity or touching signals rate of change are maximum and exceed the Wei Beichu position, position of certain setting threshold.
Touch-control circuit also can be by detecting the touching signals on each sensing electrode unit or the difference of touching signals variable quantity or touching signals rate of change, come calculative determination by sense of touch survey between electrode unit by tactile position.
Embodiment three
Digital capacitance contact panel 100 as shown in Figure 1, comprises touch base plate 110 and touch-control circuit 130 etc.On Trackpad 110, be provided with the sensing electrode unit 120 of m × n array arrangement, and respectively with (121x × 121y, 121x × 122y,, 121x × 12ny, 122x × 121y, 122x × 122y ..., 122x × 12ny, 123x × 121y, 123x × 122y ... 123x × 12ny, 124x × 121y, 124x × 122y ... 124x × 12ny,, 12mx × 121y, 12mx × 122y, 12mx × 12ny) represent the position of each sensing electrode unit, m, n are greater than 2 positive integer, and each sensing electrode unit has separately independently extraction electrode line.Touch-control circuit 130 has touch-control driving source 131 and touching signals circuit for detecting 132 etc.The extraction electrode line of each sensing electrode unit is connected respectively on the different pins of touch-control circuit 130.
Touch-control circuit 130 applies touching signals to adjacent sensing electrode unit, multiple positions on contact panel simultaneously, and select different multiple sensing electrodes unit as different detecting electrodes, detecting simultaneously flows into the touching signals of different detecting electrodes or the variation of touching signals.The process that touch-control circuit 130 carries out touch detection to sensing electrode unit is as follows: the touch-control driving source 131 in touch-control circuit 130, a moment in the touch detection period, to first three columns sensing electrode unit (121x × 121y, 121x × 122y, 121x × 12ny, 122x × 121y, 122x × 122y, 122x × 12ny, 123x × 121y, 123x × 122y, 123x × 12ny) extraction electrode line apply identical touch-control pumping signal simultaneously, remaining sensing electrode unit is not applied to touch-control pumping signal, the one row sensing electrode unit, centre that touching signals circuit for detecting 132 selections in touch-control circuit 130 are applied with identical touching signals is n different detecting electrode, detect the variation of touching signals on n detecting electrode, to detect that touching signals changes maximum detecting electrode as being touched position, next moment select other three row sensing electrode unit (122x × 121y, 122x × 122y ... 122x × 12ny, 123x × 121y, 123x × 122y ... 123x × 12ny, 124x × 121y, 124x × 122y ... 124x × 12ny) apply touch-control excitation simultaneously, and detection middle lists the variation of touching signals, detection mode for first row or last row sensing electrode unit is: touch-control circuit applies identical touch-control excitation to first row and the sensing electrode unit of secondary series simultaneously simultaneously, and detects the variation of touching signals on first row, or last row and the sensing electrode unit of the second last row are applied to identical touch-control simultaneously encourage, and detect last and list the variation of touching signals, touch-control circuit applies touch-control excitation to three row sensing electrode unit so by column movably simultaneously, and a variation that lists touching signals in the middle of detecting, and completes the detecting to the upper sensing electrode of m × n unit on contact panel 100.
The condition of position is touched in judgement, the Wei Beichu position, position of touching signals or touching signals variable quantity or touching signals rate of change maximum can be detected, also can detect that touching signals or touching signals variable quantity or touching signals rate of change exceed the Wei Beichu position, position of certain setting threshold, can also detect that touching signals or touching signals variable quantity or touching signals rate of change are maximum and exceed the Wei Beichu position, position of certain setting threshold.
Touch-control circuit also can be by detecting the touching signals on each sensing electrode unit or the difference of touching signals variable quantity or touching signals rate of change, come calculative determination by sense of touch survey between electrode unit by tactile position.
Embodiment four
Digital capacitance contact panel 200 as shown in Figure 2, comprises touch base plate 210 and touch-control circuit 230 etc.On touch base plate 210, be provided with the sensing electrode unit 220 of m × n array arrangement, and respectively with (221x × 221y, 221x × 222y,, 22gx × 22hy ... 22mx × 22ny) represent the position at place, each sensing electrode unit, g and h are respectively the positive integer of 1<g<m and 1<h<n, and m, n are greater than 2 positive integer, and each sensing electrode unit has separately independently extraction electrode line; Touch-control circuit 230 has touch-control driving source 231 and touching signals circuit for detecting 232 etc.The extraction electrode line of each sensing electrode unit connects touch-control circuit 230.
Digital capacitance contact panel 200 applies different touching signals with the unit of classifying as simultaneously, and so that wherein a sensing electrode unit listing is as different detecting electrodes, touch-control circuit is detected the variation of touching signals on each detecting electrode simultaneously.The process that touch-control circuit 230 carries out touch detection to sensing electrode unit is as follows: in a certain moment of touch detection period, touch-control driving source 231 in touch-control circuit 230 is the each sensing electrode unit (221x × 22hy to 22h row simultaneously, 222x × 22hy, 22gx × 22hy, 22mx × 22hy) apply touch-control pumping signal 1, to the 22h-1 row that are adjacent, each sensing electrode unit of 22h+1 row applies other touch-control pumping signal 2, remaining sensing electrode unit is not applied to touch-control pumping signal, the phase place of touch-control pumping signal 1 and touch-control pumping signal 2 and frequency is identical and amplitude is different, touching signals circuit for detecting 232 detects 22h simultaneously and is listed as the variation of touching signals on each sensing electrode unit, the each sensing electrode unit listing take 22h is different detecting electrode, touch-control circuit changes maximum Wei Beichu position, sensing electrode unit with touching signals on different detecting electrodes, or with 22h, list touching signals and change the Wei Beichu position, sensing electrode position exceeding in the middle of being positioned in multiple sensing electrodes unit of certain setting threshold.Next moment, touch-control driving source 231 in touch-control circuit 230 applies touch-control pumping signal 1 to each sensing electrode unit of 22h+1 row simultaneously, each sensing electrode unit to 22h row, 22h+2 row applies other touch-control pumping signal 2, remaining sensing electrode unit is not applied to touch-control pumping signal, touching signals circuit for detecting 232 detect 22h+1 list with each sensing electrode unit on the variation of touching signals, repeat the detection and detecting deterministic process in a moment, complete the touch detection that digital capacitance contact panel m × n is ordered.
Touch-control circuit flows into touching signals on each sensing electrode unit or the difference of touching signals variable quantity or touching signals rate of change by detecting, determines by sense of touch and surveys electrode unit position.
Being applied to touch-control pumping signal 1 and touch-control pumping signal 2 on the sensing electrode unit of different lines, can be that amplitude, phase place, frequency are not identical, can be also one or two differences in amplitude, phase place, frequency.
The condition of electrode unit is surveyed in judgement by sense of touch, also can be not to detect that the touching signals variable quantity maximum of flowing through the sensing electrode unit that exceedes certain setting threshold are as being surveyed electrode unit by sense of touch, and to detect that the center of first three position, large sensing electrode unit that the touching signals variable quantity of flowing through exceedes certain setting threshold is as position of touch, thereby obtain identifying digital capacitance contact panel meticulousr, multi-touch.
Embodiment five
Digital capacitance contact panel 200 as shown in Figure 2, comprises touch base plate 210 and touch-control circuit 230 etc.On touch base plate 210, be provided with the sensing electrode unit 220 of m × n array arrangement, respectively respectively with (221x × 221y, 221x × 222y ..., 22gx × 22hy, 22mx × 22ny) represent the position at place, each sensing electrode unit, g and h are respectively 1<g<m, the positive integer of 1<h<n, m, n are greater than 2 positive integer, and each sensing electrode unit has separately independently extraction electrode line; Touch-control circuit 230 has touch-control driving source 231 and touching signals circuit for detecting 232 etc.The extraction electrode line of each sensing electrode unit connects touch-control circuit 230.
Touch-control circuit 230 applies touching signals to adjacent sensing electrode unit, multiple positions on contact panel simultaneously, only selects one of them sensing electrode unit as detecting electrode, and detecting flows into the touching signals of detecting electrode or the variation of touching signals.The process that touch-control circuit 230 carries out touch detection to each sensing electrode unit is as follows: touch-control circuit carries out touch detection with scan mode to the sensing electrode unit on contact panel, touch-control driving source 231 in touch-control circuit 230, some moment in the touch detection period, a certain sensing electrode unit (22g × 22h) is applied to touching signals, and to select this sensing electrode unit be detecting electrode, touch-control circuit 230 is when applying touching signals to detecting electrode unit, also to eight the non-detecting electrode (22g-1 × 22h-1s adjacent with detecting electrode, 22g-1 × 22h, 22g-1 × 22h+1, 22g × 22h-1, 22g × 22h+1, 22g+1 × 22h-1, 22g+1 × 22h, 22g+1 × 22h+1) apply identical touching signals, touch detection circuit 232 is detected the variation of the upper touching signals of detecting electrode (22g × 22h), with the variation of touching signals, exceed the Wei Beichu position, sensing electrode unit of certain setting threshold, next moment of touch-control circuit, selecting (22g × 22h+1) sensing electrode unit is detecting electrode, when detecting electrode being applied to touching signals and detecting on this detecting electrode touching signals and changing, also the non-detecting electrode adjacent with detecting electrode applied to identical touching signals, touch-control circuit is with scan mode, selecting a certain sensing electrode unit, it is detecting electrode, when detecting electrode being applied to touching signals and detecting on detecting electrode touching signals and changing, also the whole non-detecting electrode adjacent with detecting electrode applied to identical touching signals, complete the detecting to m × n on contact panel sensing electrode unit.
Touch-control circuit detecting flows into touching signals on sensing electrode unit or the variation of touching signals, detecting be at least one in current signal and voltage signal.
Touch-control circuit detecting flows into touching signals on sensing electrode unit or the variation of touching signals, detecting be at least one in amplitude, time, phase place, frequency signal and umber of pulse.
Embodiment six
Digital capacitance contact panel 300 as shown in Figure 3, comprises touch base plate 310 and touch-control circuit 330 etc.On Trackpad 310, be provided with the sensing electrode unit 320 of m × n array arrangement, each sensing electrode unit has separately independently extraction electrode line, and respectively with (321 × 321, 32i × 32j, 32g × 32h, 32m × 32n) represent the position at place, each sensing electrode unit, wherein i, j, g, h is respectively 1<i<g, 1<j<h, 1<g<m, the positive integer of 1<h<n, m, n is greater than 3 positive integer, touch-control circuit 330 has touch-control driving source 331 and touching signals circuit for detecting 332 etc.The extraction electrode line of each sensing electrode unit connects touch-control circuit 330.
Touch-control circuit synchronization, select different multiple sensing electrodes unit as different detecting electrodes, when detecting electrode is applied to touching signals, also the whole non-detecting electrode adjacent with detecting electrode applied to identical touching signals, detecting simultaneously flows into the touching signals of different detecting electrodes or the variation of touching signals.Subregion, all sensing electrodes unit on digital capacitance contact panel 300, one of them sensing electrode in each region is applied to identical touching signals as detecting electrode simultaneously, for the flow direction of controlling touching signals also applies identical touching signals to the sensing electrode unit adjacent with detecting electrode simultaneously, touch-control circuit is detected the variation of touching signals on the different detecting electrodes in each region simultaneously, and in the same area, touch-control circuit carries out touch control detection in the mode of scanning to the each sensing electrode unit in region.The process that touch-control circuit 330 carries out touch detection to sensing electrode unit is as follows: contact panel 300 is divided into two regions, left and right, touch-control circuit 330 carries out touch detection to one of them the sensing electrode unit in contact panel zones of different simultaneously, the a certain moment, (the 32i of touch-control driving source 331 in touch-control circuit 330 to contact panel left area, 32j) individual sensing electrode unit applies touching signals, while is the (32g to region, contact panel the right also, 32h) individual sensing electrode unit applies touching signals, touch-control circuit 330 selects a sensing electrode unit in two zoness of different to carry out touch control detection as two detecting electrodes, for controlling the flow direction of touching signals, touch-control circuit 330 simultaneously also to detecting electrode (32i, 32j) the sensing electrode unit of 8 adjacent non-detections applies touching signals, and the sensing electrode unit of 8 the non-detections adjacent with detecting electrode (32g, 32h) is applied to touching signals, with detecting electrode (32i, 32j) the sensing electrode unit of 8 adjacent non-detections is respectively (32i-1, 32j-1), (32i-1, 32j), (32i-1, 32j+1), (32i, 32j-1), (32i, 32j+1), (32i+1, 32j-1), (32i+1, 32j), (32i+1, 32j+1), with detecting electrode (32g, 32h) the sensing electrode unit of 8 adjacent non-detections is respectively (32g-1, 32h-1), (32g-1, 32h), (32g-1, 32h+1), (32g, 32h-1), (32g, 32h+1), (32g+1, 32h-1), (32g+1, 32h), (32g+1, 32h+1), on remaining sensing electrode unit, do not apply touching signals, touching signals circuit for detecting 332 is selected (32i simultaneously, 32j), (32g, 32h) sensing electrode unit is detecting electrode, and detecting electrode is being applied to touching signals, and detect and flow on detecting electrode when touching signals changes, also non-detecting electrode is applied to touching signals, the described non-detecting electrode that applies touching signals, is in each sensing electrode unit of contact panel, the sensing electrode unit of all or part adjacent with detecting electrode, touch-control circuit exceedes the Wei Beichu position, position at the place, sensing electrode unit of certain setting threshold touching signals to be detected, thereby realizes multi-point touch.
The mode that contact panel subregion is scanned has been accelerated the speed of touch detection, to the mode of contact panel subregion, can be various.
Non-detecting electrode to detecting electrode and periphery applies identical touching signals simultaneously, has controlled the flow direction of touching signals between each sensing electrode unit, improves the accuracy of touch control detection.
When detecting electrode is applied to touching signals, it is different that amplitude to touching signals that non-detecting electrode applies, phase place, frequency and amplitude, phase place, the frequency of the touching signals that detecting electrode is applied also can be adjusted into, to control more subtly the flow direction of touching signals.The touching signals that detecting electrode is applied and the touching signals that non-detecting electrode is applied, can be that amplitude, phase place, frequency are not identical, can be also one or two differences in amplitude, phase place, frequency.
Touching signals on touch detection electric circuit inspection extraction electrode line, detection can be voltage signal, can be also current signal; That detects can be amplitude, also can be phase place or frequency signal, detection can be also the umber of pulse that sensing electrode unit is discharged and recharged to time period inside counting device record.
The condition of electrode unit is surveyed in judgement by sense of touch, also can be not to detect that the touching signals variable quantity maximum of flowing through the sensing electrode unit that exceedes certain setting threshold are as being surveyed electrode unit by sense of touch, and to detect that the center of position that the touching signals variable quantity of flowing through exceedes first three large sensing electrode unit of certain setting threshold is as position of touch, thereby obtain identifying digital capacitance contact panel meticulousr, multi-touch.
Judgement is surveyed the condition of electrode unit by sense of touch, also can be only to detect that sensing electrode unit that the touching signals variable quantity of flowing through exceedes certain setting threshold, as being surveyed electrode unit by sense of touch, allows digital capacitance contact panel allow multi-point touch simultaneously.
Embodiment seven
Digital capacitance contact panel 400 as shown in Figure 4, on its touch base plate 410, there is the sensing electrode unit 450 of array arrangement, each sensing electrode unit has independently extraction electrode line 431, 43n, each sensing electrode unit and extraction electrode line thereof are positioned on the same electrode layer of touch base plate 410 same sides, and be positioned on the touch face of touch base plate 410, each sensing electrode unit is diamond block, on the electrode layer at sensing electrode cell array 450 and extraction electrode line place thereof, be provided with protective seam 420, make sensing electrode unit and extraction electrode line thereof be difficult for being scratched, each sensing electrode cell edges on touch base plate and the edge of extraction electrode line are broken line, on broken line, the angle of two adjacent straight lines is greater than 8 ° and is less than 172 °.
Each sensing electrode unit and extraction electrode line thereof are positioned on the touch face of touch base plate, when finger or extraneous touch control object touch contact panel, finger or touch control object may touch certain sensing electrode unit simultaneously and other is not surveyed on the extraction electrode line of electrode unit by sense of touch, at this moment not surveyed the extraction electrode line of electrode unit by sense of touch on, this sensing electrode unit and other produce touching signals simultaneously, because the area of sensing electrode unit is far longer than the area of section of extraction electrode line, in finger or the size of other touch control objects much larger than sensing electrode unit and during the width of extraction electrode line, finger or other touch control objects touch will be much larger than touching the non-area of being surveyed electrode unit extraction electrode line by sense of touch by the area of sense of touch survey electrode unit, the touching signals being produced on electrode unit is far longer than finger or touch control object is not being surveyed by sense of touch the touching signals being produced on the extraction electrode line of electrode unit being surveyed by sense of touch for finger or touch control object, by touching signals is set up the method for threshold value just can get rid of because of finger or touch control object touch the touching signals producing on extraction electrode line, get rid of extraction electrode line to the issuable impact of touch-control.
Described touch base plate is flexible or rigid transparency carrier.
Embodiment eight
Digital capacitance contact panel 500 as shown in Figure 5, on its touch base plate 510, there is the sensing electrode unit 550 of m × n array arrangement, each sensing electrode unit is square block, each sensing electrode unit has independently extraction electrode line 531, 53n, , sensing electrode cell array and extraction electrode line thereof are positioned on the non-touch face of contact panel, sensing electrode cell array is close on the non-touch face of touch base plate 510, sensing electrode cell array forms sensing electrode layer, the extraction electrode line of each sensing electrode unit is arranged on the extraction electrode line layer 560 close with sensing electrode cell array, each sensing electrode unit from extraction electrode line separately on different electrode layers, each sensing electrode cell edges on touch base plate and the edge of extraction electrode line are broken line, on broken line, the angle of two adjacent straight lines is greater than 8 ° and is less than 172 °.Between sensing electrode layer and extraction electrode line layer 560, insulation course 540 is set, on extraction electrode line layer 560, protective seam 570 is set.
Draw on one side that the extraction electrode line of each sensing electrode unit is deviated to touch face from each sensing electrode, sensing electrode cell array has shielded the coupling of each extraction electrode line and finger or touch control object, reduce the touching signals producing on extraction electrode line because touching, improved the accuracy of touch-control judgement.
Described touch base plate is flexible or rigid transparency carrier.
Embodiment nine
Capacitance digital contact panel 600 as shown in Figure 6, comprise flat panel displays and touch-control sensing electrode unit array 650, flat panel displays includes display line scanning electrode wire group 610, display column signal electrode line group 620, show by Thin Film Transistor (TFT) (TFT) cell array 630, display pixel electrode unit array 640 and demonstration public electrode 670, display line scanning electrode wire group 610 comprises 611, 612, 61m bar scanning electrode wire, display column signal electrode line group 620 comprises 621, 622, 62n bars electrode wires, m, n is greater than 2 natural number, each demonstration is connected to display line scanning electrode wire with the grid (Gate) of TFT unit, source electrode (Source) is connected to display column signal electrode line, drain electrode (Drain) is connected to each display pixel electrode unit, source electrode is that what current potential was lower is source electrode comparatively speaking with drain electrode in this manual, each electrode wires of display line scanning electrode wire group 610, each electrode wires of display column signal electrode line group 620 and demonstration public electrode 670 are connected display driver circuit 603.
Sensing electrode cell array 650 is in two mutually orthogonal directions at any one place, sensing electrode unit, all have respectively and to be no less than two, with arranged with interval separately, mutually disjoint or the independent sensing electrode unit of non-overlapping copies, each sensing electrode unit is block structure, each sensing electrode unit covers an integer display pixel cells, integer can be to be more than or equal to 1 natural number, each sensing electrode unit has independently extraction electrode line 661, 662, , 66k, each sensing electrode unit extraction electrode line composition extraction electrode line group 660, the extraction electrode line of sensing electrode unit, refer to the connection sensing electrode unit that is arranged on the contact panel electric conduction polar curve to contact panel edge, each sensing electrode unit extraction electrode line connects touch-control circuit 604.
The demonstration of described digital capacitance contact panel 600 and touch-control can carry out simultaneously, also can timesharing carry out, while carrying out, display driver circuit 603 drives signals to each electrode wires of the display line scanning electrode wire group 610 of display panel, each electrode wires and demonstration public electrode 670 output displays of display column signal electrode line group 620 simultaneously, touch-control circuit 604 applies touch-control pumping signal to each sensing electrode unit simultaneously, and simultaneously or timesharing detect the variation of touching signals on each sensing electrode unit extraction electrode line, when timesharing is carried out, at display time interval, display driver circuit 603 is to each electrode wires of the display line scanning electrode wire group 610 of display panel, each electrode wires of display column signal electrode line group 620 and demonstration public electrode 670 output displays drive signals, in the touch-control period, display driver circuit 603 stops output display and drives signal, 604 whiles of touch-control circuit or timesharing apply touch-control pumping signal to each sensing electrode unit, simultaneously also to showing that public electrode 670 applies the driving signal identical with touch-control pumping signal, and detect the variation of touching signals on each sensing electrode unit extraction electrode line, obtain the touching signals on each sensing electrode unit, thereby obtain the touch information on display panel, allow touch control type flat-panel display 600 possess shows and touch controllable function simultaneously.
Flat-panel monitor can be also the flat panel displayses such as active matrix liquid crystal display panel (AM LCD), organic light-emitting diode (OLED) display screen (OLED, AM OLED), CNT display screen, Electronic Paper (e-paper).
In accompanying drawing 6, fine line is for showing that, with electrode wires and circuit, thick dashed line is touch-control electrode wires and circuit.
Embodiment ten
Capacitance digital contact panel 600 as shown in Figure 6, the structure of the section on flat display substrate as shown in Figure 7, flat-panel monitor comprises upper and lower base plate 701,702, on the inside surface of upper substrate 701, be provided with and show public electrode 770, on the inside surface of infrabasal plate 702, be provided with display line scanning electrode wire group, display column signal electrode line group, show with Thin Film Transistor (TFT) (TFT) cell array 730 and display pixel electrode unit array 740.The inside surface of described substrate refers to the surface of flat-panel monitor one substrate towards another substrate, between the upper and lower base plate of flat-panel monitor, with bonded adhesives 780, bond together, the region surrounding at upper and lower base plate and bonded adhesives is full of liquid crystal 790, and the upper and lower base plate of flat-panel monitor is display panel.
On the inside surface of the upper substrate 701 of flat-panel monitor, be also provided with touch-control sensing electrode unit array 750, each sensing electrode unit has independently extraction electrode line, and the projection of each sensing electrode unit on infrabasal plate covers an integer display pixel cells; Touch-control sensing electrode unit array 750 is close to the inside surface of upper substrate 701, shows that public electrode 770 is arranged on touch-control sensing electrode, between touch-control sensing electrode 750 and demonstration public electrode 770, has insulation course 7100.
The demonstration of described digital capacitance contact panel 700 and touch-control are timesharing while carrying out, and at display time interval, display driver circuit is to display line scanning electrode wire group, the display column signal electrode line group of display panel and show that public electrode 770 output displays drive signals; In the touch-control period, display driver circuit stops output display and drives signal, touch-control circuit while or timesharing apply touch-control pumping signal to each sensing electrode unit, simultaneously also to showing that omnibus circuit 770 applies and the driving signal of touch-control pumping signal same waveform, same frequency, same phase, and detect the variation of touching signals on each sensing electrode unit extraction electrode line, obtain the touching signals on each sensing electrode unit, thereby obtain the touch information on display panel, allow touch control type flat-panel display 700 possess simultaneously and show and touch controllable function.
Embodiment 11
Capacitance digital contact panel 600 as shown in Figure 6, section setting on flat display substrate as shown in Figure 8, flat-panel monitor comprises upper and lower base plate 801, 802, on the inside surface of upper substrate 801, be provided with display line scanning electrode wire group, display column signal electrode line group, show with Thin Film Transistor (TFT) (TFT) cell array 830 and display pixel electrode unit array 840, on the inside surface of infrabasal plate 802, be provided with and show public electrode 870, between the upper and lower base plate of flat-panel monitor, with bonded adhesives 880, bond together, the region surrounding at upper and lower base plate and bonded adhesives is full of liquid crystal 890, the upper and lower base plate of flat-panel monitor is display panel.
On the inside surface of the upper substrate 801 of flat-panel monitor, be also provided with touch-control sensing electrode unit array 850, each sensing electrode unit has independently extraction electrode line, and each sensing electrode unit covers an integer display pixel cells; Touch-control sensing electrode unit array 850 is close to the inside surface of upper substrate 801, display line scanning electrode wire group, display column signal electrode line group, demonstration are arranged on touch-control sensing electrode unit array 850 with Thin Film Transistor (TFT) (TFT) cell array 830 and display pixel electrode unit array 840, and touch-control sensing electrode unit array 850 and display line scanning electrode wire group, display column signal electrode line group, demonstration are with having guarded electrode 8100 between Thin Film Transistor (TFT) (TFT) cell array 830 and display pixel electrode unit array 840.
The demonstration of described digital capacitance contact panel 600 and touch-control are that timesharing is carried out, at display time interval, display driver circuit drives signals to display line scanning electrode wire group, display column signal electrode line group and demonstration public electrode 870 output displays of display panel, also guarded electrode 8100 is applied to shielded signal simultaneously; In the touch-control period, display driver circuit stops output display and drives signal, touch-control circuit while or timesharing apply touch-control pumping signal to each sensing electrode unit, also guarded electrode 8100 is applied and the driving signal of touch-control pumping signal same waveform, same frequency, same phase simultaneously, and detect the variation of touching signals on each sensing electrode unit extraction electrode line, obtain the touching signals on each sensing electrode unit, thereby obtain the touch information on display panel, allow touch control type flat-panel display 600 possess simultaneously and show and touch controllable function.
Embodiment 12
Capacitance digital contact panel 600 as shown in Figure 6, the setting of the section on flat display substrate as shown in Figure 9, flat-panel monitor comprises upper and lower base plate 901,902, on the inside surface of upper substrate 901, be provided with and show public electrode 970, on the inside surface of infrabasal plate 902, be provided with display line scanning electrode wire group, display column signal electrode line group, show with Thin Film Transistor (TFT) (TFT) cell array 930 and display pixel electrode unit array 940.The inside surface of described substrate refers to the surface of flat-panel monitor one substrate towards another substrate, between the upper and lower base plate of flat-panel monitor, with bonded adhesives 980, bond together, the region surrounding at upper and lower base plate and bonded adhesives is full of liquid crystal 990, and the upper and lower base plate of flat-panel monitor is display panel.
On the outside surface of the upper substrate 901 of flat-panel monitor, be provided with touch-control sensing electrode unit array 950; each sensing electrode unit has independently extraction electrode line; the projection of each sensing electrode unit on infrabasal plate covers an integer display pixel cells; on touch-control sensing electrode unit array 950, protective seam 9100 is set, the outside surface of described substrate refers to the flat-panel monitor one substrate surface of another substrate dorsad.
The demonstration of described digital capacitance contact panel 600 and touch-control can carry out simultaneously, also can timesharing carry out, while carrying out, display driver circuit drives signals to each electrode wires of the display line scanning electrode wire group of display panel, each electrode wires and demonstration public electrode 970 output displays of display column signal electrode line group simultaneously, touch-control circuit applies touch-control pumping signal to each sensing electrode unit, when timesharing is carried out, at display time interval, display driver circuit is to each electrode wires of the display line scanning electrode wire group of display panel, each electrode wires of display column signal electrode line group and demonstration public electrode 970 output displays drive signals, in the touch-control period, display driver circuit stops output display and drives signal, touch-control circuit applies touch-control pumping signal to each sensing electrode unit, simultaneously also to showing that public electrode 970 applies and touch-control pumping signal same waveform, same frequency, the driving signal of same phase, touch-control circuit is detected the variation of touching signals on each sensing electrode unit extraction electrode line, obtain the touching signals on each sensing electrode unit, thereby obtain the touch information on display panel, allow touch control type flat-panel display 600 possess shows and touch controllable function simultaneously.
Touch-control circuit applies the mode of touch-control pumping signal to each sensing electrode unit, can be all sensing electrode unit all to be applied simultaneously, also can to each sensing electrode unit, apply with the mode timesharing of scanning.
Embodiment 13
Capacitance digital contact panel 600 as shown in Figure 6, the setting of the section on flat display substrate as shown in figure 10, flat-panel monitor comprises upper and lower base plate 1001,1002, on the inside surface of upper substrate 1001, be provided with and show public electrode 1070, on the inside surface of infrabasal plate 1002, be provided with display line scanning electrode wire group, display column signal electrode line group, show with Thin Film Transistor (TFT) (TFT) cell array 1030 and display pixel electrode unit array 1040.The inside surface of described substrate refers to the surface of flat-panel monitor one substrate towards another substrate, between the upper and lower base plate of flat-panel monitor, with bonded adhesives 1080, bond together, the region surrounding at upper and lower base plate and bonded adhesives is full of liquid crystal 1090, and the upper and lower base plate of flat-panel monitor is display panel.
On the outside surface of the upper substrate 1001 of flat-panel monitor, be provided with guarded electrode 10100; on guarded electrode 10100, be provided with touch-control sensing electrode unit array 1050; each sensing electrode unit has independently extraction electrode line; the projection of each sensing electrode unit on infrabasal plate covers an integer display pixel cells; the outside surface of described substrate refers to the flat-panel monitor one substrate surface of another substrate dorsad; guarded electrode 10100 is connected touch-control circuit with each touch-control sensing electrode unit, on touch-control sensing electrode unit array 1050, protective seam 10110 is set.
The demonstration of described digital capacitance contact panel 600 and touch-control can carry out simultaneously, also can timesharing carry out; While carrying out, display driver circuit drives signals to display line scanning electrode wire group, display column signal electrode line group and demonstration public electrode 1070 output displays of display panel simultaneously; Touch-control circuit also applies shielded signal to guarded electrode 10100 when applying touch-control pumping signal to each sensing electrode unit; When timesharing is carried out, at display time interval, display driver circuit drives signals to display line scanning electrode wire group, display column signal electrode line group and demonstration public electrode 1070 output displays of display panel, in the touch-control period, display driver circuit stops output display and drives signal, touch-control circuit applies touch-control pumping signal to each sensing electrode unit, also guarded electrode 10100 is applied and the driving signal of touch-control pumping signal same waveform, same frequency, same phase simultaneously; Touch-control circuit is detected the variation of touching signals on each sensing electrode unit extraction electrode line, obtain the touching signals on each sensing electrode unit, thereby obtain the touch information on display panel, allow touch control type flat-panel display 600 possess simultaneously and show and touch controllable function.
Touch-control circuit applies the mode of touch-control pumping signal to each sensing electrode unit, can be all sensing electrode unit all to be applied simultaneously, also can to each sensing electrode unit, apply with the mode timesharing of scanning.
Flat-panel monitor can be also the flat panel displayses such as active matrix liquid crystal display panel (AM LCD), organic light-emitting diode (OLED) display screen (OLED, AM OLED), CNT display screen, Electronic Paper (e-paper), plane conversion active matrix liquid crystal display panel (IPS).
Embodiment 14
Capacitance digital contact panel 1100 as shown in figure 11, comprise flat-panel monitor and contact panel 1160, flat-panel monitor is IPS display, comprise upper and lower base plate 1110, 1120, on the inside surface of infrabasal plate 1120, be provided with display line scanning electrode wire group, display column signal electrode line group, show by Thin Film Transistor (TFT) (TFT) cell array, the demonstration public electrode of display pixel electrode unit array and strip represents with 1140 jointly, between the upper and lower base plate of flat-panel monitor, with bonded adhesives 1180, bond together, the outside surface of upper substrate 1110 has guarded electrode 1190, the region surrounding at upper and lower base plate and bonded adhesives is full of liquid crystal 1130, the inside surface of described upper and lower base plate refers to the surface that flat-panel monitor upper and lower base plate contacts with liquid crystal phase, the upper and lower base plate of flat-panel monitor is display panel, each electrode wires of display line scanning electrode wire group, each electrode wires of display column signal electrode line group, show that public electrode is connected display driver circuit with guarded electrode.
Capacitance digital contact panel is take the upper substrate of display panel as touch base plate, and sensing electrode unit and extraction electrode line thereof are arranged on the outside surface of upper substrate of display panel.On the outside surface of the upper substrate 1110 of flat-panel monitor, be provided with guarded electrode 1190, the sensing electrode unit 1160 of array arrangement is set on guarded electrode 1190, each sensing electrode unit has independently extraction electrode line, each sensing electrode unit is square block, the each sensing electrode sequence of unit respectively listing of sensing electrode cell array 1160 is arranged, and the each sensing electrode unit on each row staggers mutually; In order to allow user not want direct touch sensing electrode unit, layer protective layer 1170 is set on sensing electrode layer 1160 again, each sensing electrode unit connects touch-control circuit.
The demonstration of capacitance digital contact panel 1100 and touch-control can carry out in timesharing, also can carry out simultaneously, when mode is carried out in timesharing, at display time interval, display driver circuit drives signal to each electrode wires of the display line scanning electrode wire group of display panel, each electrode wires and the public electrode output display of display column signal electrode line group, guarded electrode 1190 is applied to shielded signal simultaneously, in the touch-control period, display driver circuit stops driving signal to each show electrode output display, touch-control circuit applies touch-control pumping signal to each sensing electrode unit, display driver circuit also applies the driving signal identical with touch-control pumping signal to guarded electrode 1190 simultaneously, and detect each sensing electrode unit touch information, obtain the touch information on display panel, while carrying out mode simultaneously, display driver circuit is to each electrode wires of the display line scanning electrode wire group of display panel, each electrode wires of display column signal electrode line group and public electrode output display drive signal, touch-control circuit applies touch-control pumping signal to each sensing electrode unit, and detect each sensing electrode unit touch information, obtain the touch information on display panel, display driver circuit applies identical touch-control pumping signal to guarded electrode 1190 simultaneously, the display time interval of touch control type flat-panel display 700 and touch-control period constantly circulate, allow touch control type flat-panel display 700 possess shows and touch controllable function simultaneously.
Embodiment 15
Capacitance digital contact panel 1200 as shown in figure 12, comprise flat-panel monitor and contact panel 1260, flat-panel monitor is IPS display, comprise upper and lower base plate 1210, 1220, on the inside surface of infrabasal plate 1220, be provided with display line scanning electrode wire group, display column signal electrode line group, show by Thin Film Transistor (TFT) (TFT) cell array, the demonstration public electrode of display pixel electrode unit array and strip represents with 1240 jointly, between the upper and lower base plate of flat-panel monitor, with bonded adhesives 1280, bond together, the region surrounding at upper and lower base plate and bonded adhesives is full of liquid crystal 1230, the inside surface of described upper and lower base plate refers to the surface that flat-panel monitor upper and lower base plate contacts with liquid crystal phase, the upper and lower base plate of flat-panel monitor is display panel, each electrode wires of display line scanning electrode wire group, each electrode wires of display column signal electrode line group is connected display driver circuit with demonstration public electrode.
Capacitance digital contact panel is take the upper substrate of display panel as touch base plate, the guarded electrode of above substrate outside surface is as sensing electrode unit, guarded electrode is cut into some independently small electrodes unit, some independently small electrodes unit is distributed in array format on the outside surface of upper substrate, in two mutually orthogonal directions at any one place, small electrode unit, all have be respectively no less than two, with arranged with interval separately, mutually disjoint or the independent small electrode unit of non-overlapping copies; Each small electrode unit has independently extraction electrode line.On the outside surface of the upper substrate 1210 of flat-panel monitor, be provided with the sensing electrode unit 1260 of array arrangement, each sensing electrode unit has independently extraction electrode line, sensing electrode unit 1260 is square block, the sensing electrode sequence of unit respectively listing of sensing electrode cell array 660 is arranged, and the sensing electrode unit on each row staggers mutually; In order to allow user not want direct touch sensing electrode unit, layer protective layer 1270 is set on sensing electrode layer 1260 again, each sensing electrode unit connects touch-control circuit.
The demonstration of capacitance digital contact panel 1200 and touch-control are that timesharing is carried out, at display time interval, display driver circuit drives signal to each electrode wires of the display line scanning electrode wire group of display panel, each electrode wires and the public electrode output display of display column signal electrode line group, touch-control circuit applies shielded signal to all sensing electrode unit, and each sensing electrode unit is as guarded electrode; In the touch-control period, display driver circuit stops driving signal to each show electrode output display, and touch-control circuit applies touch-control pumping signal to each sensing electrode unit, and detects each sensing electrode unit touch information, obtains the touch information on display panel; The display time interval of touch control type flat-panel display 1200 and touch-control period constantly circulate, and allow touch control type flat-panel display 1200 possess simultaneously and show and touch controllable function.
Embodiment 16
Capacitance digital contact panel 1300 as shown in figure 13, its side view, as shown in Figure 13 a, comprises flat panel displays and touch-control sensing electrode unit array 1350, display panel has infrabasal plate 1302 and upper substrate 1301.On the inside surface of upper substrate 1301, there is demonstration public electrode; The inside surface of infrabasal plate 1302 has display line scanning electrode wire group 1310, display column signal electrode line group 1320, (Thin Film Transistor (TFT) for demonstration (TFT) cell array 1330 of m × n) and (the display pixel electrode unit array 1340 of m × n), display line scanning electrode wire group 1310 comprises 1311,1312 ..., 131m bar scanning electrode wire, display column signal electrode line group 1320 comprises 1321,1322 ..., 132n bars electrode wires, m, n are greater than 2 natural number; Each demonstration is connected respectively with display pixel electrode unit array 1340 each unit with the drain electrode (Drain) of TFT unit, grid (Gate) is connected to respectively line scanning electrode wires group 1310 each electrode wires, source electrode (Source) is connected to respectively column signal electrode wires group 1320 each electrode wires, each electrode wires of display line scanning electrode wire group 1310 is connected respectively display driver circuit 1303 with each electrode wires of display column signal electrode line group 1320, between two substrates, with glue 1380, be pasted together, the region that two substrates surrounds with glue has liquid crystal 1390.
Show that public electrode is comprised of public electrode cell array 1350, each public electrode unit is block structure, each public electrode unit covers an integer display pixel cells 1330, integer can be to be more than or equal to 1 natural number, each mini-bus electrode unit have independently extraction electrode line 1351 ..., 135k, each extraction electrode line connects gating circuit 1305, and gating circuit 1305 connects display driver circuit 1303 and touch-control circuit 1304.
The principle of work of capacitance digital contact panel 1300 is as follows:
At display time interval, display driver circuit 1303 transmitting display signal therefors are on each electrode wires of each electrode wires of display line scanning electrode wire group 1310, vertical direction display column signal electrode line group 1320, gating circuit 1305 is communicated with each public electrode unit simultaneously with display driver circuit 1303, transmitting display signal therefor simultaneously, each public electrode mesh merging in 1300 work of capacitance digital contact panel is as showing public electrode, and transmission simultaneously shows common signal.
In the touch-control period, display driver circuit 1303 is not to show electrode 1310, 1320 transmitting display signal therefors, gating circuit 1305 makes each public electrode unit be connected with touch-control circuit 1304, each public electrode transmits touching signals on unit simultaneously, 1304 whiles of touch-control circuit or timesharing detect the variation of touching signals on each public electrode unit, the Wei Beichu position, public electrode unit of touching signals variable quantity or rate of change maximum to be detected, capacitance digital contact panel 1300 is realized touch controllable function, each public electrode unit becomes sensing electrode unit that can sensing touch-control, demonstration public electrode and the touch-control sensing electrode of display panel unite two into one.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.

Claims (11)

1. a digital capacitance contact panel, comprises touch base plate and touch-control circuit, and touch-control circuit has touch-control driving source and touching signals circuit for detecting; It is characterized in that:
On touch base plate, be provided with sensing electrode cell array, each sensing electrode unit has independently extraction electrode line, and the extraction electrode line of each sensing electrode unit connects touch-control circuit; Described sensing electrode cell array, refers in two mutually orthogonal directions at any one place, sensing electrode unit, all have be respectively no less than two, with arranged with interval separately, mutually disjoint or the independent sensing electrode unit of non-overlapping copies; The extraction electrode line of described sensing electrode unit, refers to the connection sensing electrode unit that is arranged on the contact panel electric conduction polar curve to contact panel edge; In the period of touch-control circuit work, there is at least one moment, touch-control driving source applies touching signals to multiple sensing electrodes unit simultaneously, and it is detecting electrode that touching signals circuit for detecting is selected wherein at least one sensing electrode unit; Described detecting electrode refers to when this sensing electrode unit is applied with to touching signals, the sensing electrode unit that also touching signals of this sensing electrode unit of detecting inflow or touching signals change.
2. digital capacitance contact panel according to claim 1, is characterized in that:
Described each sensing electrode unit connects the extraction electrode line of touch-control circuit, is to be connected on the different leading foot of touch-control circuit.
3. digital capacitance contact panel according to claim 1, is characterized in that:
Described touch-control driving source applies touching signals to multiple sensing electrodes unit simultaneously, refers to touch-control driving source to two or applies touching signals more than two or all sensing electrode unit simultaneously; The position of multiple sensing electrode unit that are applied with touching signals on contact panel is adjacent one another are; Sensing electrode adjacent one another are unit, described position is that colleague is or/and all or part sensing electrode unit of same column.
4. digital capacitance contact panel according to claim 1, is characterized in that:
It is detecting electrode that described touching signals circuit for detecting is selected wherein at least one sensing electrode unit, refers to detecting electrode is applied to touching signals, and detect and flow on detecting electrode unit when touching signals changes, and also non-detecting electrode is applied to touching signals; The described non-detecting electrode that applies touching signals is all or part sensing electrode unit that connects touch-control circuit.
5. digital capacitance contact panel according to claim 1, is characterized in that:
Described touch-control circuit, flows into touching signals on each sensing electrode unit or the difference of touching signals variable quantity or touching signals rate of change by detecting, determine by sense of touch and survey electrode unit, or by calculating determine sensing electrode unit by tactile position.
6. digital capacitance contact panel according to claim 1, is characterized in that:
Sensing electrode unit on described touch base plate and extraction electrode line thereof, be the non-touch face in touch base plate, or on the touch face in touch base plate.
7. digital capacitance contact panel according to claim 1, is characterized in that:
Described digital capacitance contact panel, that upper substrate take display panel is as touch base plate, sensing electrode cell array and extraction electrode line thereof are all arranged on the outside surface of display panel upper substrate, the upper substrate of described display panel refers to the substrate of more close user's one side in display panel two plate bases, and described upper substrate outside surface refers to the upper substrate surface of another substrate dorsad.
8. digital capacitance contact panel according to claim 7, is characterized in that:
Between described touch-control sensing electrode unit array and upper substrate outside surface, there is guarded electrode, when described sensing electrode unit is applied to touching signals, also described guarded electrode is applied and the driving signal of touch-control pumping signal same waveform, same frequency, same phase; Described guarded electrode is to be applied with and the driving signal of touch-control pumping signal same waveform, same frequency, same phase or the plane-shape electrode that is connected with ground electrode.
9. digital capacitance contact panel according to claim 1, is characterized in that:
Described digital capacitance contact panel, that upper substrate take display panel is as touch base plate, sensing electrode cell array and extraction electrode line thereof are all arranged on the inside surface of display panel upper substrate, the upper substrate of described display panel refers to the substrate of more close user's one side in display panel two plate bases, and described upper substrate inside surface refers to the surface of upper substrate towards another substrate; Sensing electrode unit and extraction electrode line thereof, in showing between public electrode and upper substrate inside surface, show between public electrode and sensing electrode unit and extraction electrode line thereof and have insulation course; The demonstration of described digital capacitance contact panel and touch-control are that timesharing is carried out, when described sensing electrode unit is applied to touching signals, also to described demonstration public electrode, apply the driving signal with touch-control pumping signal same waveform, same frequency, same phase.
10. digital capacitance contact panel according to claim 1, is characterized in that:
Described digital capacitance contact panel, that upper substrate take display panel is as touch base plate, the demonstration public electrode of above substrate inside surface or the guarded electrode of upper substrate outside surface are as sensing electrode unit, show that public electrode or guarded electrode are cut into some independently small electrodes unit, each small electrode unit has independently extraction electrode line; The extraction electrode line of each small electrode unit connects respectively display driver circuit and touch-control circuit by gating device, shows with touch-control timesharing and carries out; In the display driver period, described gating device makes small electrode unit be communicated with display driver circuit, applies display or shielded signal to small electrode unit; In the touch detection period, described gating device makes small electrode unit be communicated with touch-control circuit, applies touching signals to small electrode unit.
11. digital capacitance contact panels according to claim 1, is characterized in that:
Each sensing electrode unit in described sensing electrode cell array, its extraction electrode line is arranged on the Different electrodes layer close with sensing electrode cell array.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103631463A (en) * 2012-08-24 2014-03-12 智点科技（深圳）有限公司 Digital capacitive touch panel

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104267862B (en) * 2014-09-19 2017-05-03 京东方科技集团股份有限公司 Touch screen and touch positioning method thereof and display device
CN104503651B (en) * 2015-01-22 2018-02-13 京东方科技集团股份有限公司 A kind of In-cell touch panel and display device
CN104793823B (en) * 2015-04-21 2018-04-10 深圳市华星光电技术有限公司 Mutual capacitance type touch control display panel and its touch control detecting method
CN104793828B (en) * 2015-05-08 2018-12-11 上海天马微电子有限公司 array substrate, display panel and display device
CN105093721B (en) * 2015-08-10 2018-03-13 上海天马微电子有限公司 A kind of touch display substrate, electronic equipment and driving method
CN105911736A (en) * 2016-06-20 2016-08-31 上海天马微电子有限公司 Display device
CN106201151B (en) * 2016-08-31 2019-08-06 上海创功通讯技术有限公司 Display panel and electronic equipment
CN106708328A (en) * 2017-02-13 2017-05-24 京东方科技集团股份有限公司 Touch module, display panel, display device and touch control method
TWI661348B (en) * 2017-05-11 2019-06-01 禾瑞亞科技股份有限公司 Touch sensitive processing apparatus, system and method thereof
CN107562366A (en) * 2017-09-28 2018-01-09 珠海普林芯驰科技有限公司 Gesture identification method, computer installation and computer-readable recording medium
CN109164935B (en) * 2018-08-24 2022-07-19 敦泰电子有限公司 Touch display panel, touch driving circuit and touch driving method
CN111504521B (en) * 2020-05-07 2021-09-03 腾讯科技（深圳）有限公司 Flexible capacitor array, preparation method thereof and capacitor array detection system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7663607B2 (en) * 2004-05-06 2010-02-16 Apple Inc. Multipoint touchscreen
US8127623B2 (en) * 2005-05-18 2012-03-06 Pressure Profile Systems Inc. Capacitive tactile tile sensor
CN101634917B (en) * 2008-07-21 2013-04-24 智点科技（深圳）有限公司 Touch flat-panel display
JP5633565B2 (en) * 2009-08-12 2014-12-03 ソルーション デポ （シェンチェン） リミテッド Active touch system
JP5636768B2 (en) * 2010-06-30 2014-12-10 ソニー株式会社 Information input device
CN102339155A (en) * 2010-07-16 2012-02-01 谊达光电科技股份有限公司 Proximity detecting device and method for panel
CN103631463B (en) * 2012-08-24 2018-10-23 敦泰电子（深圳）有限公司 A kind of digital capacitive touch panel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103631463A (en) * 2012-08-24 2014-03-12 智点科技（深圳）有限公司 Digital capacitive touch panel
CN103631463B (en) * 2012-08-24 2018-10-23 敦泰电子（深圳）有限公司 A kind of digital capacitive touch panel

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