CN104238835B - Contact panel and its touch electrode structure and method for detecting - Google Patents
Contact panel and its touch electrode structure and method for detecting Download PDFInfo
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- CN104238835B CN104238835B CN201310231301.0A CN201310231301A CN104238835B CN 104238835 B CN104238835 B CN 104238835B CN 201310231301 A CN201310231301 A CN 201310231301A CN 104238835 B CN104238835 B CN 104238835B
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Abstract
The invention discloses a kind of touch electrode structure, including multiple first touch control units and multiple second touch control units.First touch control unit and the second touch control unit are arranged in an array mode.Set with each first touch control unit in a line and each second touch control unit alternate intervals.With the first touch control unit in a line be electrically connected to each other to form multiple first axial electrodes, and at least part of second touch control unit be along a bearing of trend with positioned at not going together and at least one second touch control unit of different lines is electrically connected to form multiple second axial electrodes.The present invention also provides a kind of contact panel and its method for detecting.Whereby so that touch electrode structure synchronously can be driven and scan, except can reach multi-point touch positioning, touch-control reaction speed can be more improved.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to a kind of contact panel and its touch electrode structure and detecting side
Method.
Background technology
Touch-control sensing technology is developed by leaps and bounds in recent years, and the consumer electronics production that many possesses touch controllable function is had at present
Product are released successively.Greatly, the contact panel of multi-point touch can be more typically supported at present is for the technology development of contact panel
Capacitance type touch-control panel, its electrode framework is the rectangular array that many strip electrodes on two axial directions are staggered, and such as N multiplies
M rectangular array, and two axial electrodes are generally perpendicular interlock.It is then with an axial direction in its Scanning Detction mode
Drive the mode scanned one by one on another axial direction of collocation to complete the addressing of each cross-point on rectangular array one by one, use and reach
The location determination of multi-point touch.But the Scanning Detction time (N × M) of this contact panel and its Scanning Detction mode can be touched
The increased influence of the size or resolution ratio of panel and reduce touch-control reaction speed.
The content of the invention
The electrical connection design of touch electrode structure of the present invention to being arranged in contact panel with array way is adjusted, and
And judge position of touch by the corresponding resistance variations of each axial electrode in touch electrode structure so that touch control electrode knot
Structure synchronously can be driven and scan, and except can reach multi-point touch positioning, can more improve touch-control reaction speed.
The present invention provides a kind of touch electrode structure, including multiple first touch control units and multiple second touch control units.
First touch control unit and the second touch control unit are arranged in an array mode, are touched with the first touch control unit in a line and second
Control units alternately to be arranged at intervals, with the first touch control unit in a line be electrically connected to each other to form multiple first axial electrodes,
And at least part of second touch control unit be along a bearing of trend with positioned at do not go together and different lines at least one second touch-control list
Member electrical connection, to form multiple second axial electrodes.
The present invention provides a kind of contact panel, including substrate and the touch electrode structure that is formed on substrate.Touch control electrode
Structure includes multiple first touch control units and multiple second touch control units.First touch control unit and the second touch control unit be with
An array mode is arranged.Each first touch control unit in same a line (row) is set with each second touch control unit alternate intervals.Together
The first touch control unit in a line is to be electrically connected to each other to form multiple first axial electrodes.And at least part of second touch-control list
Member be along a bearing of trend and do not go together and different lines at least one second touch control unit be electrically connected to form it is multiple second axially
Electrode.
The present invention provides a kind of method for detecting of contact panel, comprises the following steps.First, while driving all first
Axial electrode and the second axial electrode, and the first axial electrode and the output signal produced by the second axial electrode are detected simultaneously.
Then, touch points position is calculated according to those output signals.
The contact panel and its touch electrode structure of the present invention is the first touch control unit by being arranged in array way and the
Two touch control units are constituted, and by electrically connecting the adjustment of design, allow be electrically connected forming by first touch control unit of same a line
The first axial electrode with along a bearing of trend by do not go together and different lines the second touch control unit electrically connect second
Being constituted between axial electrode has an angle for being less than 90 degree.Thus, you can to the first axial electrode and the second axial electrode
Simultaneously drive and scan, and by calculate each axial electrode before and after touch-control corresponding resistance variations come realize multi-point touch examine
Survey, and effectively improve the speed of touch-control reaction.
Brief description of the drawings
Fig. 1 show the schematic diagram of the contact panel of the first embodiment of the present invention.
Fig. 2 show the touch control detection schematic diagram of the contact panel of the first embodiment of the present invention.
Fig. 3 show touch control detection signal of the contact panel of the first embodiment of the present invention under a multi-point touch situation
Figure.
Fig. 4 show touch control detection of the contact panel of the first embodiment of the present invention under other multi-point touch situation
Schematic diagram.
Fig. 5 show the enlarged schematic partial view of the contact panel of one embodiment of the invention.
Fig. 6 show the enlarged schematic partial view of the contact panel of another embodiment of the present invention.
Fig. 7 show the schematic diagram of the contact panel of the second embodiment of the present invention.
Fig. 8 show the schematic diagram of the contact panel of the third embodiment of the present invention.
Fig. 9 show the method for detecting flow chart of the contact panel of one embodiment of the invention.
Wherein, description of reference numerals is as follows：
Embodiment
To enable the general those skilled in the art for being familiar with the technical field of the invention to further appreciate that the present invention, hereafter spy enumerates this
Several preferred embodiments of invention, and coordinate accompanying drawing, describe the constitution content of the present invention in detail.It should be noted that accompanying drawing is only to say
For the purpose of bright, and mapped not according to full size.In addition, use in the text such as " the first " with " describe the second ", only to area
Not different components, does not produce the limitation of order to it.
It refer to Fig. 1.Fig. 1 show the schematic diagram of the contact panel of the first embodiment of the present invention.As shown in figure 1, this
The contact panel 101 of embodiment includes substrate 100 and the touch electrode structure 101S being formed on substrate 100.Wherein, touch-control electricity
Pole structure 101S includes multiple first touch control units 110 and multiple second touch control units 120.First touch control unit 110 and
Second touch control unit 120 is arranged in an array mode.For example, the first touch control unit 110 and the second touch-control list in Fig. 1
Member 120 is to be arranged in 1 to multiply 8 rectangular array, but is not limited thereto.The present embodiment in same a line (row) each first
Touch control unit 110 is set with each alternate intervals of second touch control unit 120, and each first touch-control in same row (column)
Unit 110 is set with each alternate intervals of second touch control unit 120.In other words, at least one first touch control unit 110 is to set
In same a line (or same row) between two the second adjacent touch control units 120, and at least one second touch control unit 120 is to set
In same a line (or same row) between two the first adjacent touch control units 110.In addition, in the present embodiment, in the same row
The first touch control unit 110 be to be electrically connected to each other, to form multiple first axial electrode 110A, and at least part of second touch-control
Unit 120 be along a bearing of trend D1 with positioned at not going together and at least one second touch control unit 120 of different lines is electrically connected, with shape
Into multiple second axial electrode 120A.
Further illustrate, in the present embodiment, be with the first touch control unit 110 in a line and the second touch control unit 120
Set along a line direction X alternate intervals, and with each first touch control unit 110 in a line and each second touch control unit 120
Heart point is located along the same line on line direction X.The first touch control unit 110 in same row is with the second touch control unit 120
Set along a column direction Y alternate intervals, and in each first touch control unit 110 and each second touch control unit 120 in same row
Heart point is located along the same line on column direction Y.In addition, the first touch control unit 110 in same row is electrically separated from each other, and
The second touch control unit 120 in same row is electrically separated from each other.Generally speaking, each first touch control unit 110 be with line direction X
Upper the first adjacent touch control unit 110 is electrically connected, to form multiple first axial electrode 110A, and at least part of second touch-control
Unit 120 is that second touch control unit 120 adjacent with bearing of trend D1 is electrically connected, to form multiple second axial electrodes
120A.Wherein, between the first axial electrode 110A, between the second axial electrode 120A and any first axial electrode 110A
All it is electrically separated from each other between any second axial electrode 120A.
Furthermore, foregoing line direction X is substantially perpendicular to column direction Y, but is not limited thereto.Bearing of trend D1 and row side
To having an included angle A 1 between Y, included angle A 1 is to be generally less than 90 degree, and included angle A 1 is preferably about 45 degree, but not with this
It is limited.For example, the second touch control unit of at least part 120 positioned at even column is the odd number along along bearing of trend D1 and adjacent lines
At least one second touch control unit 120 of row is electrically connected, and is along extension positioned at the second touch control unit of at least part 120 of odd column
Direction D1 is electrically connected with least one second touch control unit 120 of even column in adjacent lines, but is not limited thereto.That is,
At least part of second touch control unit 120 is to use oblique side with a bearing of trend D1 for being different from line direction X and column direction Y
Formula formation electrical connection.
First touch control unit 110 and the second touch control unit 120 of the present embodiment can preferably use the quick conductive material of a power
Or sensitive Conductive Materials.Thereby, resistance variations can be produced in triggering using the quick conductive material of power or sensitive Conductive Materials
Characteristic principle, allows the present embodiment to be able to detect the resistance of the first axial electrode 110A and the second axial electrode 120A before and after touch-control
Change, and then carry out the positioning of touch point.
As shown in figure 1, the contact panel 101 of the present embodiment can also include one first bus 150 and one second bus 160.
First bus 150 is electrically connected to the first axial electrode 110A and the second axial electrode 120A one end, and the second bus 160
It is electrically connected to the first axial electrode 110A and the second axial electrode 120A other end.With the contact panel set by Fig. 1
For 101 direction concrete example, the first bus 150 may be provided at the upside and right side of contact panel 101, and with positioned at most upper
Capable the second touch control unit 120, the first touch control unit 110 and the second touch control unit 120 positioned at right column and positioned at right side
First touch control unit 110 of secondary series is electrically connected.Relatively, the second bus 160 may be provided at the downside and a left side of contact panel 101
Side, and with positioned at the second most descending touch control unit 120, positioned at the first touch control unit 110 of left column and the second touch control unit
120 and the first touch control unit 110 positioned at left side secondary series electrically connect, but the present invention not using above-mentioned set-up mode as
Limit.Also visual design needs to adjust setting for the first bus 150 and the second bus 160 in other preferred embodiments of the present invention
Seated position is with electrically connecting situation.
In the present embodiment, the first bus 150 can be used to a transmission one touching signals such as driving voltage to each first axle
To electrode 110A and each second axial electrode 120A, and the second bus 160 is then to transmit each first axial electrode 110A
And the output signal RS produced by each second axial electrode 120A.Thereby, the back-end controller for being electrically connected to contact panel 101 is allowed
(not shown) is able to the change by output signal RS to judge position that contact panel 101 is touched.What deserves to be explained is, this
First bus 150 of embodiment preferably transmits touching signals to the first axial electrode 110A and the second axial electrode simultaneously
120A, and the second bus 160 detects all the first axial electrode 110A and the second axial electrode 120A output letter simultaneously
Number RS, but be not limited thereto.
For the touch control detection and positioning method of the contact panel 101 that further illustrates the present embodiment, please simultaneously referring again to
Fig. 2 to Fig. 4.Fig. 2 show the touch control detection schematic diagram of the contact panel of the present embodiment.Fig. 3 show the present embodiment
Touch control detection schematic diagram of the contact panel under a multi-point touch situation.Fig. 4 show the contact panel of the present embodiment in addition
Touch control detection schematic diagram under one multi-point touch situation.As shown in Fig. 2 when touch control object such as finger presses the first touch control unit
110 or during the second touch control unit 120, become positioned at first touch control unit 110 at touch-control center or the resistance of the second touch control unit 120
Change maximum, and the resistance variations more remote from touch-control center will be smaller, and it can be further obtained according to the difference of its resistance variations
Resistance variations of corresponding the first axial electrode 110A or the second axial electrode 120A before and after touch-control.
Further illustrate, the present embodiment is assumed that to be put to design different resistance variations, wherein touch-control center with three component levels
Corresponding the first touch control unit 110 or the second touch control unit 120 may be defined as the first rank, and its resistance variations is Δ R1；From tactile
(can also say is and touch-control central point same row or same for the first near touch control unit 110 of control central point time or the second touch control unit 120
Adjacent the first touch control unit 110 or the second touch control unit 120 in a line) second-order is may be defined as, its resistance variations is Δ R2；
And first touch control unit 110 or second touch control unit 120 adjacent from touch-control central point not same row and different a line can be determined
Justice is the 3rd rank, and its resistance variations is Δ R3.Δ R1 is substantially greater than Δ R2, and Δ R2 is substantially greater than Δ R3.Wherein,
The present embodiment is only put to define the resistance variations of different levels with three component levels, the resistance variations beyond this three component level is put, this reality
Example is applied to be ignored to facilitate ensuing illustration.Certainly, according to actual design demand, also definable goes out more multistage
The resistance variations of position judge to do more accurate calculate, and are not limited herein by the present invention.
It is subsequently assumed that the top is defined as the first row and leftmost is defined as into the in direction by Fig. 3 and shown in Fig. 4
One row.When touch points P1 as shown in Figure 3 and touch points P2 touch the of secondary series in same the third line and the 4th row respectively
During two touch control units 120, and touch points P3 and touch points P4 as shown in Figure 4 touches the second row in same 3rd row respectively
And fourth line the second touch control unit 120 when, although acquired maximum resistance change is under Fig. 3 and Fig. 4 touch condition
Δ R1 and three times Δ R3's and and reacted by the second axial electrode 120A corresponding to first row fourth line and the 6th row, but
Fig. 3 and Fig. 4 touch condition still can be by the electricity produced by other the first axial electrode 110A and/or the second axial electrode 120A
The difference of resistive carries out the positioning of multi-point touch, such as produced by the first axial electrode corresponding to first row the third line
Resistance variations be to have difference.
Supplementary notes, because the present embodiment is designed using the quick conductive material of power, therefore above-mentioned each first
In the calculating of axial electrode 110A and the second axial electrode 120A resistance variations, if having different touch points in defined three rank
Formed in position range it is overlapping if, then the first touch control unit 110 or the electricity of the second touch control unit 120 corresponding to the overlapping
Resistance has plus multiplies effect, and depending on the electrical characteristic of actual circuit, the present embodiment is for example to be calculated with twice of effect.Example
Such as：Touch points P1 and P2 is formed with the resistance variations that the 3rd component level is put on the second touch control unit 120 of the 3rd the second row of row
Overlapping phenomenon, therefore in the resistance variations of the second axial electrode 120A belonging to calculating, second corresponding to the overlapping
The resistance variations of touch control unit 120 are calculated with twice of Δ R3.
For the framework pass being further elaborated with Fig. 1 between the first axial electrode 110A and the second axial electrode 120A
System, please also refer to Fig. 5.Fig. 5 show the enlarged schematic partial view of the contact panel of one embodiment of the invention.Such as Fig. 5 institutes
Show, first touch control unit 110 of the present embodiment and the shape of the second touch control unit 120 can be a rectangle or other suitable shapes
Shape.In addition, touch electrode structure also includes a plurality of first connecting line 130, a plurality of second connecting line 140 and multiple collets
170.Wherein, it is that electricity is formed by the first connecting line 130 between the first touch control unit 110 in each first axial electrode 110A
Connect, and be to be electrically connected by the second connecting line 140 to be formed between the second touch control unit 120 in each second axial electrode 120A
Connect.
Collets 170 are arranged between the first connecting line 130 and the second connecting line 140, axially electric to be electrically isolated first
Pole 110A and the second axial electrode 120A.The present embodiment be with the second connecting line 140, the connecting line 130 of collets 170 and first according to
The framework that sequence is set comes for example, in other embodiments, also can be sequentially with the first connecting line 140, collets 170 and second
The setting of connecting line 130 is designed.First connecting line 130 or the second connecting line 140 can be with the first touch control units 110 and second
Touch control unit 120 is formed together with identical material, but is not limited thereto.Also may be used in other preferred embodiments of the present invention
Optionally using other resistance relatively low conductive material the first connecting line 130 of formation and the second connecting line 140, it is possible to decrease impedance,
Improve sensitivity of touch panel.What deserves to be explained is, because the first connecting line of the present embodiment 130 is that is bypassed on line direction X
Two touch control units 120 are to connect two first adjacent touch control units 110, therefore each second touch control unit 120 is carrying out touch-control sense
At once less it can be influenceed by the first connecting line 130, and collets 170 are only needed to separate the first connecting line 130 and are connected with second
Line 140, therefore the area of collets 170 is smaller.
It refer to Fig. 6.Fig. 6 show the enlarged schematic partial view of the contact panel of another embodiment of the present invention.Such as Fig. 6
Shown, the present embodiment place different from above-mentioned Fig. 5 embodiment is the setting position of the first connecting line 130 and collets 170
Put.In the touch electrode structure 102S of the contact panel 102 of the present embodiment, the first connecting line 130 on line direction X is to set
Meter electrically connects two neighboring first touch control unit 110 across the second touch control unit 120, and therefore collets 170 are provided in second
Between the connecting line 130 of touch control unit 120 and first, to be electrically isolated the first axial electrode and the second axial electrode.The present embodiment
Contact panel 102 in addition to the set location of the first connecting line 130 and collets 170, the material of remaining each part is special
Property, set-up mode and touch control detection mode select embodiment similar to above-mentioned Fig. 5's, therefore herein and repeat no more.
Not be the same as Example below for the contact panel of the present invention is illustrated, and to simplify explanation, is illustrated below
It is described in detail mainly for the different part of each embodiment, and no longer identical part is repeated to repeat.In addition, the present invention's is each
Identical component is indicated with identical label in embodiment, is checked one against another to convenient between each embodiment.
It refer to Fig. 7.Fig. 7 show the schematic diagram of the contact panel of the second embodiment of the present invention.As shown in fig. 7, with
The different place of above-mentioned first embodiment is, same in the touch electrode structure 201S of the contact panel 201 of the present embodiment
It is the first touch control unit 110 of full setting or the second touch control unit 120 in row, and is not by the first touch control unit 110 and second
Touch control unit 120 is arranged alternately.Specifically, the first touch control unit of the present embodiment 110 is to be only arranged at even column, and second touches
It is to be only arranged at odd column to control unit 120.Consequently, it is possible at least part of second touch control unit 120 of the present embodiment be with one
The second adjacent touch control unit 120 is electrically connected on bearing of trend D2, has an angle between wherein bearing of trend D2 and column direction Y
A2, included angle A 2 is to be generally less than 90 degree and more than 45 degree, but is not limited thereto.For example, positioned at odd column at least
The second touch control unit of part 120 is electrically connected along bearing of trend D2 and odd column in adjacent lines at least one second touch control unit 120
Connect.The contact panel 201 and touch electrode structure 201S of the present embodiment are except the first touch control unit 110 and the second touch control unit
Outside 120 electric connection modes of 120 set location and each second touch control unit, the material property of remaining each part, setting
Mode and touch control detection mode are similar to above-mentioned first embodiment, therefore herein and are repeated no more.
It refer to Fig. 8.Fig. 8 show the schematic diagram of the contact panel of the third embodiment of the present invention.As shown in figure 8, this
The embodiment place different from above-mentioned second embodiment is, in the touch electrode structure of the contact panel 202 of the present embodiment
In 202S, the first touch control unit 110 is to be provided only on odd column and the second touch control unit is to be provided only on even column.Thereby, position
It is to be touched along bearing of trend D2 with least one second of even column along adjacent lines in the second touch control unit of at least part 120 of even column
Control unit 120 is electrically connected.The contact panel 202 and touch electrode structure 202S of the present embodiment except the first touch control unit 110 with
Outside the set location of second touch control unit 120, material property, set-up mode and the touch control detection mode of remaining each part are
It is similar to above-mentioned second embodiment, therefore herein and repeat no more.
The present invention also provides a kind of method for detecting of contact panel, is applicable to the contact panel of the various embodiments described above offer
Position of touch detecting.Only illustrated below with the contact panel of the corresponding embodiments of Fig. 1.Fig. 9 is refer to, Fig. 9 show this
The method for detecting schematic diagram of the contact panel of one preferred embodiment of invention.As shown in Fig. 1 and Fig. 9, the touch surface of the present embodiment
The method for detecting of plate comprises the following steps.First, there is provided a contact panel 101 by progress step S1.Wherein, contact panel 101
Touch electrode structure 101S includes multiple first touch control units 110 and multiple second touch control units 120.First touch control unit
110 and second touch control unit 120 be to be arranged in an array mode.With each first touch control unit 110 and each second in a line
The alternate intervals of touch control unit 120 are set, and are to be electrically connected to each other with the first touch control unit 110 in a line, to form multiple first
Axial electrode 110A, and at least part of second touch control unit 120 is not gone together and different lines along a bearing of trend D1 with being located at
At least one second touch control unit 120 electrically connect, to form multiple second axial electrode 120A.The contact panel of the present embodiment
101 feature is described in detail in the above, therefore herein and is repeated no more.
Then, step S2 is carried out, while the first all axial electrode of driving and the second axial electrode 120A, and examine simultaneously
The output signal RS surveyed produced by the first axial electrode 110A and the second axial electrode 120A.Then, step S3 is carried out, according to this
A little output signal RS calculate position of touch coordinate.
From earlier figures 3 and Fig. 4 explanation, because the present invention is adjusted to the electrical connection design of touch electrode structure
It is whole, therefore every one first touch control unit 110 or the second touch control unit 120 on contact panel 101, when being touched, it can all be corresponded to
Resistance variations to unique one group of first axial electrode 110A and the second axial electrode 120A are combined.Embodiment is calculated in a detecting
In, pass through the comparison of the first axial electrode 110A and the second axial electrode 120A resistance variations and a tables of data, you can obtain
Practical touch point is that occur which touch control unit in which axial electrode.In specific design, different touch-controls can be directed in advance
The touch-control input such as position and different touch-control states measures corresponding first axial electrode 110A and second to simulate respectively
Axial electrode 120A resistance variations combination, and stores into a tables of data, uses allowing the various unique correspondences one group of touch-controls input the
One axial electrode 110A and the second axial electrode 120A resistance variations combination.Consequently, it is possible to when actually occurring touch-control, it is foregoing
The output signal RS that step S3 is obtained according to being detected in step S2 is combined with the resistance variations in default tables of data to be compared
Compared with can obtain the position of actual touch spots.What deserves to be explained is, the present embodiment is in the resistance variations representated by output signal RS
Can be compared for all first axial electrodes with the second axial electrode merely in comparison.Alternatively, it is also possible to be first by
Resistance variations representated by all output signal RS judge a specific region that touch points occur, and only for the given zone
The first axial electrode 110A and the second axial electrode 120A corresponding to domain are compared, due to that need not be directed to all first axles
Compared one by one to electrode 110A and the second axial electrode 120A, arithmetic speed can be accelerated.
Another detecting, which calculates embodiment, to be realized using method is left out.In specific design, directly according to output signal RS
Representative resistance variations size, it is descending to reduce the scope that touch points occur, with by face range shorter to a point model
Enclose, and then obtain practical touch point is that occur which touch control unit in which axial electrode.In other words, generation is first calculated most
The region of the first axial electrode 110A or the second axial electrode 120A of big resistance variations contained lids on touch electrode structure, it
Calculate again afterwards and produce time the first axial electrode 110A or the second axial electrode 120A of big resistance variations for foregoing generation maximum
The the first axial electrode 110A or the second axial electrode 120A of resistance variations relative position relation, to screen and reject the region
In can not possibly to should have touch points occur the first touch control unit 110 or the second touch control unit 120, by that analogy.Due to foregoing
Every one first touch control unit 110 or the second touch control unit 120 on the contact panel 101 of the present invention were carried when being touched, it is all
Unique one group of first axial electrode 110A and the second axial electrode 120A resistance variations combination can be corresponded to, therefore can basis
This leaves out the position that method obtains practical touch point.This is illustrated with the resistance variations of the touch points generation shown in Fig. 3 and Fig. 4
Leave out method.First, it is that correspondence output signal RS is Δ R1 and three times Δ R3 by produce maximum resistance change knowable to Fig. 3 and Fig. 4
Second axial electrode 120A of sum, i.e., positioned at fourth line and the 6th row and along the second axial electrode 120A in D1 directions, thus
Understand, touch points are located at fourth line and the 6th row and along along the second axial electrode 120A in D1 directions, and touch points be only possible to be
Touch points P3 and touch points P4 shown in touch points P1 shown in Fig. 3 and touch points P2 or Fig. 4, so only needs to exclude both situations
Middle one kind can determine that touch points position.Afterwards, then the first axial electrode 110A or second of big resistance variations is calculated time axially
Electrode 120A, if secondary big resistance variations are the first axial electrode 110A positioned at the third line（As shown in Figure 3）, then can determine that tactile
It is a little that P1 and P2, i.e. touch points position are the third line secondary series and the third line the 4th is arranged to touch, if secondary big resistance variations be positioned at
First axial electrode 110A of second and third and four rows（As shown in Figure 4）, then can determine that touch points is P3 and P4, i.e. touch points point
Wei Yu not the second row the 3rd row and the row of fourth line the 3rd.The present embodiment is calculated compared to previous detecting for embodiment, is not required to pre-
First data table memory, is also not required to that flow is compared, and the position of touch points is directly calculated in the way of screening and reject.
In summary it is described, contact panel and its touch electrode structure of the invention be by arranged in array way first
Touch control unit and the second touch control unit are constituted, and by electrically connecting the adjustment of design, allow the first touch control unit by same a line
The first axial electrode electrically connected with along a bearing of trend by not going together and the second touch control unit of different lines is electrically connected
Being constituted between the second axial electrode connect has an angle for being less than 90 degree.Thus, you can to the first axial electrode with
Second axial electrode simultaneously drive and scan, and by calculate each axial electrode before and after touch-control corresponding resistance variations come reality
Existing multi-point touch detection, and effectively improve the speed of touch-control reaction.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (20)
1. a kind of touch electrode structure, it is characterised in that including：
Multiple first touch control units；And
Multiple second touch control units, wherein the plurality of first touch control unit and the plurality of second touch control unit are with an array side
Formula is arranged, and is set with respectively first touch control unit in a line with respectively the second touch control unit alternate intervals, with being somebody's turn to do in a line
Multiple first touch control units are to be electrically connected to each other, to form multiple first axial electrodes, and at least part of the plurality of second touches
Control unit is not gone together and at least the 1 of different lines second touch control unit is electrically connected along a bearing of trend with being located at, many to be formed
Individual second axial electrode.
2. touch electrode structure according to claim 1, it is characterised in that with the plurality of first touch control unit in a line
And the central point of the plurality of second touch control unit is to be located along the same line.
3. touch electrode structure according to claim 1, it is characterised in that between the plurality of first axial electrode, this is more
It is electrically separated from each other between individual second axial electrode and between any first axial electrode and any second axial electrode.
4. touch electrode structure according to claim 1, it is characterised in that positioned at least part of even column the plurality of
Two touch control units are that second touch control unit is electrically connected with least 1 of odd column in adjacent lines along the bearing of trend.
5. touch electrode structure according to claim 1, it is characterised in that positioned at least part of odd column the plurality of
Two touch control units are that second touch control unit is electrically connected with least 1 of even column in adjacent lines along the bearing of trend.
6. touch electrode structure according to claim 1, it is characterised in that positioned at least part of even column the plurality of
Two touch control units are that second touch control unit is electrically connected with least 1 of even column in adjacent lines along the bearing of trend.
7. touch electrode structure according to claim 1, it is characterised in that positioned at least part of odd column the plurality of
Two touch control units are that second touch control unit is electrically connected with least 1 of odd column in adjacent lines along the bearing of trend.
8. touch electrode structure according to claim 1, it is characterised in that respectively first touch control unit in same row with
Respectively second touch control unit is arranged alternately.
9. touch electrode structure according to claim 1, it is characterised in that the plurality of first touch control unit in same row
And the central point of the plurality of second touch control unit is to be located along the same line.
10. touch electrode structure according to claim 1, it is characterised in that the plurality of first touch control unit and this is more
Individual second touch control unit uses the quick conductive material of a power or a sensitive Conductive Materials.
11. touch electrode structure according to claim 1, it is characterised in that also including a plurality of first connecting line and many
The connecting line of bar second, wherein respectively between the plurality of first touch control unit of first axial electrode by first connecting line come
Electrical connection is formed, and is respectively formed between the plurality of second touch control unit of second axial electrode by second connecting line
Electrical connection.
12. touch electrode structure according to claim 11, it is characterised in that be also arranged at described first including collets
Between connecting line and second touch control unit, to be electrically isolated first axial electrode and second axial electrode.
13. touch electrode structure according to claim 11, it is characterised in that be also arranged at described first including collets
Between connecting line and second connecting line, to be electrically isolated first axial electrode and second axial electrode.
14. a kind of contact panel, it is characterised in that including：
Substrate；And
Touch electrode structure as described in any one of claim 1 to 13, is formed on the substrate.
15. contact panel according to claim 14, it is characterised in that also including the first bus and the second bus, wherein
First bus electrically connects one end of the plurality of first axial electrode and the plurality of second axial electrode, second bus electrical connection
The other end of the plurality of first axial electrode and the plurality of second axial electrode.
16. contact panel according to claim 15, it is characterised in that first bus transmits touching signals to the plurality of
First axial electrode and the plurality of second axial electrode, and second bus transmits the plurality of first axial electrode and should
Output signal produced by multiple second axial electrodes.
17. a kind of method for detecting of contact panel, it is characterised in that the touch electrode structure of the contact panel includes multiple first
Touch control unit and multiple second touch control units, wherein the plurality of first touch control unit and the plurality of second touch control unit are with one
Array way is arranged, and is set with respectively first touch control unit in a line with respectively the second touch control unit alternate intervals, same to a line
In the plurality of first touch control unit be to be electrically connected to each other, to form multiple first axial electrodes, and at least part of the plurality of
Second touch control unit be along a bearing of trend with positioned at not going together and at least the 1 of different lines second touch control unit is electrically connected, with
The step of forming multiple second axial electrodes, the method for detecting of the contact panel includes：
Drive those all first axial electrodes and those second axial electrodes simultaneously；
Those first axial electrodes and the output signal produced by those second axial electrodes are detected simultaneously；And
Touch points position is calculated according to those output signals.
18. the method for detecting of contact panel according to claim 17, it is characterised in that described according to those output signals
The step of calculating touch points position includes：Compare the resistance variations and a default data representated by those output signals
Table.
19. the method for detecting of contact panel according to claim 17, it is characterised in that described according to those output signals
The step of calculating touch points position includes：Sequentially the resistance variations according to representated by those output signals are corresponding to calculate
Relative position relation between those first axial electrodes and those second axial electrodes, to screen those the first axial electrodes
Those second touch control units of those first touch control units and those the second axial electrodes.
20. the method for detecting of contact panel according to claim 19, it is characterised in that the calculating relative position relation
It is that resistance variations according to representated by those output signals are descending sequentially to be calculated.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310231301.0A CN104238835B (en) | 2013-06-09 | 2013-06-09 | Contact panel and its touch electrode structure and method for detecting |
| TW103113506A TWI528240B (en) | 2013-06-09 | 2014-04-14 | Touch panel, sensing electrode structure and detecting method thereof |
| TW103206431U TWM493097U (en) | 2013-06-09 | 2014-04-14 | Touch panel and sensing electrode structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310231301.0A CN104238835B (en) | 2013-06-09 | 2013-06-09 | Contact panel and its touch electrode structure and method for detecting |
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| Publication Number | Publication Date |
|---|---|
| CN104238835A CN104238835A (en) | 2014-12-24 |
| CN104238835B true CN104238835B (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310231301.0A Active CN104238835B (en) | 2013-06-09 | 2013-06-09 | Contact panel and its touch electrode structure and method for detecting |
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| CN (1) | CN104238835B (en) |
| TW (2) | TWI528240B (en) |
Families Citing this family (7)
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|---|---|---|---|---|
| CN106933398B (en) * | 2015-12-31 | 2020-03-20 | 瀚宇彩晶股份有限公司 | Touch panel and electronic device |
| CN107562297B (en) * | 2017-08-31 | 2020-05-19 | Oppo广东移动通信有限公司 | Array substrate, display panel and electronic equipment |
| CN107562298B (en) * | 2017-08-31 | 2020-05-12 | Oppo广东移动通信有限公司 | Array substrate, display panel and electronic equipment |
| CN107562275B (en) * | 2017-08-31 | 2020-05-12 | Oppo广东移动通信有限公司 | Array substrate, self-contained touch display panel and electronic equipment |
| CN107526475B (en) * | 2017-08-31 | 2020-05-12 | Oppo广东移动通信有限公司 | Array substrate, self-contained touch display panel and electronic equipment |
| CN107390964B (en) * | 2017-08-31 | 2020-05-12 | Oppo广东移动通信有限公司 | Array substrate, display panel and electronic equipment |
| CN107463294B (en) * | 2017-08-31 | 2020-05-12 | Oppo广东移动通信有限公司 | Array substrate, display panel and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581843A (en) * | 2008-05-13 | 2009-11-18 | 奇信电子股份有限公司 | Touch control signal transmitting circuit for touching and controlling display |
| CN101881899A (en) * | 2009-05-08 | 2010-11-10 | 义强科技股份有限公司 | Liquid crystal display |
| CN203444452U (en) * | 2013-06-09 | 2014-02-19 | 宸鸿光电科技股份有限公司 | Touch control panel and touch control electrode structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907922B (en) * | 2009-06-04 | 2015-02-04 | 新励科技(深圳)有限公司 | Touch and touch control system |
-
2013
- 2013-06-09 CN CN201310231301.0A patent/CN104238835B/en active Active
-
2014
- 2014-04-14 TW TW103113506A patent/TWI528240B/en active
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581843A (en) * | 2008-05-13 | 2009-11-18 | 奇信电子股份有限公司 | Touch control signal transmitting circuit for touching and controlling display |
| CN101881899A (en) * | 2009-05-08 | 2010-11-10 | 义强科技股份有限公司 | Liquid crystal display |
| CN203444452U (en) * | 2013-06-09 | 2014-02-19 | 宸鸿光电科技股份有限公司 | Touch control panel and touch control electrode structure |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201502915A (en) | 2015-01-16 |
| TWI528240B (en) | 2016-04-01 |
| CN104238835A (en) | 2014-12-24 |
| TWM493097U (en) | 2015-01-01 |
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