CN206627937U - A kind of touch induction device - Google Patents
A kind of touch induction device Download PDFInfo
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- CN206627937U CN206627937U CN201720288044.8U CN201720288044U CN206627937U CN 206627937 U CN206627937 U CN 206627937U CN 201720288044 U CN201720288044 U CN 201720288044U CN 206627937 U CN206627937 U CN 206627937U
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Abstract
A kind of touch induction device, including substrate, the inductive layer on the substrate are disclosed, the inductive layer includes the multiple sensing units for being arranged to array, and each sensing unit includes：First electrode, first electrode extend in a first direction；Multiple second electrodes, the both sides of first electrode in a second direction are arranged at, insulated from each other to isolate and be dielectrically separated from first electrode, each second electrode is drawn by a lead-out wire, and second direction is vertical with first direction；The multiple second electrode is triangle pattern, and first electrode forms the complementary patterns of the triangle pattern of the sensing unit of rectangle, and in each sensing unit, the lead-out wire of multiple second electrodes is located at the both sides of sensing unit respectively.The lead-out wire of second electrode and second electrode is arranged on the both sides of sensing unit by the utility model, is advantageous to the shielding external world and faces influence of the side lead-out wire to first electrode and second electrode, ensures the stability touched.
Description
Technical field
Technical field of electronic equipment is the utility model is related to, in particular it relates to a kind of touch induction device.
Background technology
With the continuous development of touch-screen, capacitive touch screen is gradually widely used in field of terminal equipment.
In existing capacitance touch equipment, mainly using double-deck mutual tolerance, bridging structure and single layer structure.Wherein, it is single
Rotating fields have the advantages that processing step is few, cheap.In the touch control device of single layer structure, generally by glass surface
The mono-layer oxidized indium tin (ITO) with certain pattern is formed to form mutual capacitance array, so as to realize that the multiple spot of touch control device touches
Touch.
Fig. 1 shows the structural representation of the inductive layer of the capacitive touch device of an existing single layer structure.Such as Fig. 1
Shown, inductive layer includes the multiple sensing unit A for being arranged to array, and each sensing unit A includes electrode X and multiple electrodes Y, often
The individual corresponding lead-out wire Z of electrode Y connections, one of electrode X and electrode Y are driving electrodes, and another is induction electrode.Electrode X edges
Vertical direction extends and arranged in the horizontal direction, and corresponding multiple electrodes Y is then vertically distributed in electrode X side,
It is shown in the right side that electrode Y in sensing unit A is respectively positioned on electrode X.The configuration of electrodes causes each sensing unit A
In, outside, electrode Y is then surrounded electrode X by lead-out wire Z.
In this case there are two shortcomings：At the edge of touch-screen Touch Zone, exposed to outer electrode X easily by the external world
Interference, such as ESD (Electro-Static discharge, Electro-static Driven Comb) etc., cause to touch platen edge touch effect, the linearity
Etc. unstable；In the inside of touch-screen Touch Zone, crosstalk occurs between the easy and adjacent side lead-out wire Z of outer electrode X, should
During for real case, it is contemplated that the impedance of driving (or sensing) passage, it is more with sensing unit A sides lead-out wire, and
Crosstalk between electrode X is bigger, can all be had a certain impact to touching stability, linearity etc..
Utility model content
In order to solve the above-mentioned problems of the prior art, the utility model provides a kind of touch induction device, for solving
Certainly sensing (or driving) electrode module is exposed to the problem of outer in the prior art.
According to one side of the present utility model, there is provided a kind of touch induction device, including substrate, on the substrate
Inductive layer, the inductive layer includes being arranged to multiple sensing units of array, and each sensing unit includes：
First electrode, the first electrode extend in a first direction；
Multiple second electrodes, it is arranged at the both sides of the first electrode in a second direction, isolation insulated from each other and and institute
State first electrode to be dielectrically separated from, each second electrode is drawn by a lead-out wire, and the second direction is hung down with first direction
Directly；
The multiple second electrode is triangle pattern, and the first electrode forms the triangle of the sensing unit of rectangle
The complementary patterns of pattern, in each sensing unit, the lead-out wire of the multiple second electrode is located at the sensing unit respectively
Both sides.
Preferably, in each sensing unit, its lead-out wire of each second electrode and the second electrode are in the sensing
The homonymy of unit.
Preferably, the first electrode is formed by multiple first electrode units, and the multiple first electrode unit is along vertically
Direction extends and is electrically connected to each other, and each sensing unit includes the subelement of multiple rectangles, and each subelement includes one second
Electrode and shape and a first electrode unit of second electrode complementation.
Preferably, the first direction is vertical direction, and the second direction is horizontal direction, adjacent two rectangles
Subelement flip horizontal each other.
Preferably, it is vertical direction to state first direction, and the second direction is horizontal direction, and adjacent two groups of subelements are mutual
For flip horizontal.
Preferably, in two groups of adjacent subelements, every group includes adjacent and flip vertical each other two subelements.
Preferably, the second electrode in described adjacent and flip vertical each other two subelements is adjacent to each other；Or institute
The first electrode unit stated in adjacent and flip vertical each other two subelements is adjacent to each other.
Preferably, it is provided with area of knockout in the first electrode and the multiple second electrode.
Preferably, the area of knockout is filled with suspension block.
Preferably, set respectively on the first electrode and the multiple second electrode edge adjacent to each other jut and
Depressed part, jut and the depressed part matching.
Preferably, the gap location of the first electrode and the multiple second electrode is provided with suspension block, for increasing electricity
Hold compensation.
Preferably, in addition to：The 3rd electrode being arranged on the substrate, the 3rd electrode include more described in semi-surrounding
The Part I of the array of individual sensing unit and the Part II extended between sensing unit.
Preferably, in the first electrode and second electrode one be driving electrodes, another is induction electrode；Or institute
It is induction electrode to state first electrode and second electrode.
Second electrode is arranged on the both sides of first electrode by the utility model, and then the lead-out wire of second electrode is also provided with
In the both sides of sensing unit, so that first electrode and second electrode are respectively positioned on the inner side of the lead-out wire of second electrode, by drawing
Line provides protective effect.This measure is advantageous to shield the influence of the mutual capacitance of outer bound pair first electrode and second electrode, ensures to touch
Stability.
Further, optimization is made to the figure of first electrode and second electrode, driving can be changed by changing figure
Capacitance change, addition ground connection (or virtual) electrode between sensing improve the modes such as signal to noise ratio to lift the touch in practical operation
Effect.
Brief description of the drawings
By the description to the utility model embodiment referring to the drawings, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from.
Fig. 1 shows the capacitive touch device of an existing single layer structure。
Fig. 2 shows the structural representation of the touch induction device of the utility model first embodiment.
Fig. 3 shows the partial schematic diagram of the touch induction device of the utility model first embodiment.
Fig. 4 shows the structural representation of the touch induction device of the utility model second embodiment.
Fig. 5 shows the structural representation of the touch induction device of the utility model 3rd embodiment.
Fig. 6 shows the structural representation of the touch induction device of the utility model fourth embodiment.
Fig. 7 shows the structural representation of the touch induction device of the embodiment of the utility model the 5th.
Fig. 8 shows the structural representation of the touch induction device of the utility model sixth embodiment.
Fig. 9 shows the structural representation of the touch induction device of the embodiment of the utility model the 7th.
Embodiment
The utility model is more fully described hereinafter with reference to accompanying drawing.In various figures, identical element is using similar
Reference represent.For the sake of clarity, the various pieces in accompanying drawing are not necessarily to scale.In addition, do not have in figure
The lead-out wire in addition to corresponding driving electrodes are with induction electrode is drawn, and some known parts may be not shown.
It describe hereinafter many specific details of the present utility model, such as the structure of device, material, size, place
Science and engineering skill and technology, to be more clearly understood that the utility model.But just as the skilled person will understand,
The utility model can not be realized according to these specific details.
Below, the utility model is described in detail referring to the drawings.
Fig. 2 shows the structural representation of the touch induction device of the utility model first embodiment.
Reference picture 2, the touch induction device include substrate (not shown) and are arranged on substrate and are arranged to array
Multiple sensing unit B, each sensing unit B are rectangular shape, including first electrode X and multiple second electrode Y, first electrode X
Drawn with second electrode Y each via corresponding lead-out wire Z and isolation insulated from each other.As shown in Fig. 2 first electrode X is
One side upwardly extends and arranged in a second direction, and second electrode Y is alternately disposed at first electrode X both sides.In the present embodiment
In, first direction is vertical direction, and second direction is horizontal direction, but embodiment of the present disclosure not limited to this, such as otherwise also
Can.In the present embodiment, each second electrode Y is triangle pattern, such as right angled triangle pattern as shown in Figure 2, and
One electrode X is the complementary patterns of the triangle.Each second electrode Y and its lead-out wire are arranged at the same of sensing unit B
Side, to avoid lead-out wire wire jumper.Second electrode Y lead-out wire is located at the both sides of sensing unit, makes electrode X and Y by both sides
The protection of lead-out wire, avoid, by external interference, also avoiding the crosstalk of the lead-out wire by the sensing unit closed on.
Understood with continued reference to Fig. 2, the subelement B ' that sensing unit B includes multiple rectangles is formed, the subelement of each rectangle
B ' includes two complementary triangle patterns, and one of triangle pattern is second electrode Y, and another is first electrode X
Gable (hereinafter referred to as first electrode unit) corresponding with second electrode Y, then first electrode X can regard as by multiple edges
The first electrode unit that first direction extends and is electrically connected to each other is formed.In sensing unit B, the subelement B ' of adjacent rectangle
Between flip horizontal (180 ° upset) each other, as shown in Figure 2.
In the present embodiment, when occurring effectively to touch, changed by the mutual capacitance of the rectangle subelement of touch area,
Variable quantity size is directly proportional to the size that the mutual capacitance is touched.
Fig. 3 shows the schematic diagram of the sensing unit of the touch induction device of the utility model first embodiment.
With reference to figure 3, such as when touching A1, A2 at 2, the position of A1, A2 point can be effectively determined by centroid algorithm.
In touch point during A1, because the first electrode X of finger covering area is less than the second electrode Y of covering area, in touch point
During A2, because the first electrode X of finger covering area is more than the second electrode Y of covering area, due to by touch area
Size is directly proportional with corresponding self-capacitance variable, and above-mentioned area ratio can be equivalent to the ratio between self-capacitance variable, accordingly, point
The ratio of first electrode X self-capacitance and second electrode Y self-capacitance corresponding to A1 is less than 1, first electrode X corresponding to point A2
The ratio of self-capacitance and second electrode Y self-capacitance is more than 1, therefore, is detecting 2 mutual capacitance identical situations of A1, A2
Under, it can be detected by self-capacitance and determine 2 positions of A1, A2.
Fig. 4 shows the structural representation of the touch induction device of the utility model second embodiment.
The touch induction device includes substrate (not shown) and is arranged on substrate and is arranged to multiple sensings of array
Unit C, each sensing unit C are rectangular shape, including first electrode X and multiple second electrode Y, first electrode X and the second electricity
Pole Y is drawn each via corresponding lead-out wire Z and isolation insulated from each other.As shown in figure 4, first electrode X is in a first direction
Extend and arrange in a second direction, for second electrode Y with two one group, packet is alternately disposed at first electrode X both sides.At this
In embodiment, first direction is vertical direction, and second direction is horizontal direction, but embodiment of the present disclosure not limited to this, such as
Vice versa.In the present embodiment, each second electrode Y is triangle pattern, such as right angled triangle figure as shown in Figure 4
Case, first electrode X are the complementary patterns of the triangle.Each second electrode Y and its lead-out wire are arranged at sensing unit C's
The same side, to avoid lead-out wire wire jumper.
Understood with continued reference to Fig. 4, the subelement C ' that sensing unit C includes multiple rectangles is formed, the subelement of each rectangle
C ' includes two complementary triangle patterns, and one of triangle pattern is second electrode Y, and another is first electrode X
Gable corresponding with second electrode Y.In sensing unit C, using the subelement C ' of adjacent rectangle two-by-two as one
Group subelement, then flip horizontal pattern, one group of subelement include phase to every group of subelement another group of subelement adjacent with its each other
Adjacent and flip vertical (90 ° of upsets) each other two subelements.In the present embodiment, in adjacent subelement C ', second electrode
Adjacent (right-angle side of triangle pattern is adjacent).
Fig. 5 shows the structural representation of the touch induction device of the utility model 3rd embodiment.
Reference picture 5, the touch induction device include substrate (not shown) and are arranged on substrate and are arranged to array
Multiple sensing unit D, each sensing unit D are rectangular shape, including first electrode X and multiple second electrode Y, first electrode X
Drawn with second electrode Y each via corresponding lead-out wire Z and isolation insulated from each other.First electrode X and second electrode Y are each
Pass through corresponding lead-out wire Z extractions and isolation insulated from each other.As shown in figure 5, first electrode X extend in a first direction and
Arrange in a second direction, for second electrode Y with two one group, packet is alternately disposed at first electrode X both sides.In the present embodiment
In, each second electrode Y is triangle pattern, such as right angled triangle pattern as shown in Figure 5, first electrode X are described
The complementary patterns of triangle.Each second electrode Y and its lead-out wire are arranged at sensing unit D the same side, to avoid drawing
Line wire jumper.
Understood with continued reference to Fig. 5, the subelement D ' that sensing unit D includes multiple rectangles is formed, the subelement of each rectangle
D ' includes two complementary triangle patterns, and one of triangle pattern is second electrode Y, and another is first electrode X
Gable (being referred to as first electrode subelement) corresponding with second electrode Y.In sensing unit D, adjacent rectangle
Flip vertical each other between subelement.Using the subelement D ' of adjacent rectangle two-by-two as one group of subelement, then every group of subelement
Another group subelement adjacent with its flip horizontal pattern each other.When designing electrode pattern, two one group of son is not limited to
Unit, it can also make using two or more subelement as one group between group and group for the pattern of flip horizontal.In the present embodiment
In, in adjacent subelement D ', first electrode subelement is adjacent (right-angle side of triangle pattern is adjacent).
In the above-described embodiments, the lead-out wire of electrode is arranged on the both sides of sensing unit, thereby protects first electrode and
Two electrodes.Lead-out wire is located at the both sides of sensing unit, electrode is protected by the lead-out wire of both sides, avoids dry by the external world
Disturb, also avoid the crosstalk of the lead-out wire by the sensing unit closed on.
Further, due to the dead band that the lead-out wire of electrode is touch induction device, the dead band face on substrate unit area
The smaller detection to touch induction device of product is more favourable, therefore, lead-out wire is arranged at into electrode both sides, helps to reduce substrate list
Dead zone area in plane product, and then it is favorably improved the sensitivity of touch induction device.
Fig. 6 shows the structural representation of the touch induction device of the utility model fourth embodiment.
The electrode setting of the touch induction device of the present embodiment is identical with first embodiment, different with first embodiment
It is to carry out hollowing out operation in first electrode and second electrode, obtains area of knockout (region A3 and A4), the shape of area of knockout
It can be arbitrary with quantity, can be filled in area of knockout from conductive material, such as metal or alloy material, making
Suspension block, suspension block is typically in free state.The mutual capacitance of first electrode and second electrode can be reduced by reducing electrode area.Can
It is necessary to determine whether to reduce mutual capacitance according to actual product.
Fig. 7 shows the structural representation of the touch induction device of the embodiment of the utility model the 5th.
The electrode setting of the touch induction device of the present embodiment is identical with first embodiment, different with first embodiment
It is to be made an amendment in the corresponding sides of first electrode and second electrode, such as on the side adjacent to each other of first electrode and second electrode
Edge sets depressed part and jut respectively, and its number and shape can be any, is such as shaped as triangle, quadrangle, or even ripple
Wave type, but depressed part and jut matching.With reference to figure 7, depression is provided with the adjacent edge of first electrode and second electrode
Portion E and jut F, depressed part E and jut F matchings.Contact area by increasing electrode edge can increase interelectrode
Mutual capacitance.Mutual capacitance can be necessary to determine whether to increase according to actual product.
Fig. 8 shows the structural representation of the touch induction device of the utility model sixth embodiment.
The electrode setting of the touch induction device of the present embodiment is identical with first embodiment, clear in order to show, on figure only
Show the partial electrode pattern of first embodiment.Unlike first embodiment, the present embodiment is in first electrode and second
Suspension block (suspension block G on figure) is added in the space of electrode, to increase capacitance compensation, is advantageous to detect the position touched a little.When
So, above-mentioned other embodiment can be equally applicable to by adding the practice of suspension block, be also used for realizing increasing in other embodiment
Add capacitance compensation, improve the purpose of detecting accuracy.
Fig. 9 shows the structural representation of the touch induction device of the embodiment of the utility model the 7th.
The electrode setting of the touch induction device of the present embodiment is identical with first embodiment, different with first embodiment
It is that the 3rd electrode is set on substrate, for isolating first electrode and second electrode.With reference to figure 9, the 3rd electrode K, is arranged on
The periphery of one electrode and second electrode simultaneously extends partially into first electrode and second electrode is formed between space, play protection and
While buffer action, improve signal to noise ratio of the figure when touching.3rd electrode is normally grounded.Certainly, the 3rd electrode is added
The practice can be equally applicable to above-mentioned other embodiment, in other embodiment the 3rd electrode be equally applicable to improve figure exist
Signal to noise ratio during touch.The utility model embodiment sets the lead-out wire of electrode so that electrode is to be wrapped up by cabling, shielding
The influence of mutual capacitance between outer bound pair sensing and driving, ensures to touch stability and the linearity.Simultaneously according to being actually needed, provide
The optimization direction of triangular pattern, to lift the touch effect in practical operation.
In actual applications, the specific number of the first electrode of touch induction device and second electrode depends on touch area
Size, touch the various aspects such as required precision, manufacturing process ability.
Above-described embodiment only describes the situation that inductive layer is individual layer inductive layer, but in actual production, if it is desired,
It can also be applied to the utility model principle identical embodiment on the inductive layer of sandwich construction.
In this manual, " under " refer to drawing the relative of the direction outside inductive layer closer to lead-out wire in a column direction
Concept, " on " refer in a column direction further from the relative concept in direction outside lead-out wire extraction inductive layer；" OK " with " row "
Concept is not limited to longitudinal concept shown in horizontal concept and accompanying drawing shown in accompanying drawing, according to being actually needed, meets this practicality
The embodiment of new general principle is in the scope of protection of the utility model.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
According to embodiment of the present utility model as described above, these embodiments do not have all details of detailed descriptionthe,
Also it is only described specific embodiment not limit the utility model.Obviously, as described above, many modification and change can be made
Change.This specification is chosen and specifically describes these embodiments, is to preferably explain that principle of the present utility model and reality should
With so that skilled artisan can repairing using the utility model and on the basis of the utility model well
Change use.The utility model is only limited by claims and its four corner and equivalent.
Claims (13)
1. a kind of touch induction device, including substrate, the inductive layer on the substrate, the inductive layer includes being arranged to battle array
Multiple sensing units of row, it is characterised in that each sensing unit includes：
First electrode, the first electrode extend in a first direction；
Multiple second electrodes, are arranged at the both sides of the first electrode in a second direction, isolation insulated from each other and with described the
One electrode insulation is isolated, and each second electrode is drawn by a lead-out wire, and the second direction is vertical with first direction；
The multiple second electrode is triangle pattern, and the first electrode forms the triangle pattern of the sensing unit of rectangle
Complementary patterns, in each sensing unit, the lead-out wire of the multiple second electrode is located at the two of the sensing unit respectively
Side.
2. touch induction device according to claim 1, it is characterised in that in each sensing unit, each second electricity
The homonymy of the lead-out wire of pole and the second electrode in the sensing unit.
3. touch induction device according to claim 1, it is characterised in that the first electrode is by multiple first electrode lists
Member is formed, and the multiple first electrode unit is extends in the vertical direction and is electrically connected to each other, and each sensing unit includes multiple squares
The subelement of shape, each subelement include a second electrode and shape a first electrode list complementary with the second electrode
Member.
4. touch induction device according to claim 3, it is characterised in that the first direction is vertical direction, described
Second direction is horizontal direction, the flip horizontal of the subelements of adjacent two rectangles 180 degree each other.
5. touch induction device according to claim 3, it is characterised in that the first direction is vertical direction, described
Second direction is horizontal direction, adjacent two groups of subelements flip horizontal each other.
6. touch induction device according to claim 5, it is characterised in that in two groups of adjacent subelements, every group of bag
Include adjacent and flip vertical each other two subelements.
7. touch induction device according to claim 6, it is characterised in that described adjacent and two of flip vertical each other
Second electrode in subelement is adjacent to each other；Or the first electricity in described adjacent and flip vertical each other two subelements
Pole unit is adjacent to each other.
8. touch induction device according to claim 1, it is characterised in that in the first electrode and the multiple second
Area of knockout is provided with electrode.
9. touch induction device according to claim 8, it is characterised in that the area of knockout is filled with suspension block.
10. touch induction device according to claim 1, it is characterised in that the first electrode and the multiple second
Jut and depressed part, jut and the depressed part matching are set respectively on electrode edge adjacent to each other.
11. touch induction device according to claim 1, it is characterised in that the first electrode and the multiple second
The gap location of electrode is provided with suspension block, for increasing capacitance compensation.
12. touch induction device according to claim 1, it is characterised in that also include：Be arranged on the substrate
Three electrodes, the Part I of the array of the 3rd electrode including the multiple sensing unit of semi-surrounding and sensing unit it
Between the Part II that extends.
13. touch induction device according to claim 1, it is characterised in that one in the first electrode and second electrode
Individual is driving electrodes, and another is induction electrode；Or the first electrode and second electrode are induction electrode.
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| CN201720288044.8U CN206627937U (en) | 2017-03-23 | 2017-03-23 | A kind of touch induction device |
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| CN201720288044.8U CN206627937U (en) | 2017-03-23 | 2017-03-23 | A kind of touch induction device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897459A (en) * | 2018-08-31 | 2018-11-27 | 深圳和而泰智能控制股份有限公司 | The touch detecting method of touch screen touches capacitor, touch screen and electronic equipment |
| CN110134293A (en) * | 2018-02-09 | 2019-08-16 | 奕力科技股份有限公司 | Mutual-capacitive touch panel |
| KR20220113198A (en) * | 2021-02-05 | 2022-08-12 | 주식회사 하이딥 | Touch sensor and touch input device thereof |
| WO2022169185A3 (en) * | 2021-02-04 | 2022-10-06 | 주식회사 하이딥 | Touch sensor and touch input device comprising same |
-
2017
- 2017-03-23 CN CN201720288044.8U patent/CN206627937U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110134293A (en) * | 2018-02-09 | 2019-08-16 | 奕力科技股份有限公司 | Mutual-capacitive touch panel |
| CN110134293B (en) * | 2018-02-09 | 2022-05-10 | 奕力科技股份有限公司 | Mutual capacitance type touch panel |
| CN108897459A (en) * | 2018-08-31 | 2018-11-27 | 深圳和而泰智能控制股份有限公司 | The touch detecting method of touch screen touches capacitor, touch screen and electronic equipment |
| CN108897459B (en) * | 2018-08-31 | 2024-01-23 | 深圳和而泰智能控制股份有限公司 | Touch detection method of touch screen, touch capacitance, touch screen and electronic device |
| WO2022169185A3 (en) * | 2021-02-04 | 2022-10-06 | 주식회사 하이딥 | Touch sensor and touch input device comprising same |
| KR20220113198A (en) * | 2021-02-05 | 2022-08-12 | 주식회사 하이딥 | Touch sensor and touch input device thereof |
| KR102526461B1 (en) * | 2021-02-05 | 2023-04-28 | 주식회사 하이딥 | Touch sensor and touch input device thereof |
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