CN204360355U - A kind of capacitance type touch-control structure and touch control display apparatus - Google Patents
A kind of capacitance type touch-control structure and touch control display apparatus Download PDFInfo
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- CN204360355U CN204360355U CN201420787557.XU CN201420787557U CN204360355U CN 204360355 U CN204360355 U CN 204360355U CN 201420787557 U CN201420787557 U CN 201420787557U CN 204360355 U CN204360355 U CN 204360355U
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Abstract
The utility model relates to a kind of capacitance type touch-control structure and touch control display apparatus, by arranging touch-control drive electrode and touch-control sensing electrode in polar mode, realize the touch-control accurately on the contact panel of non-rectangle or non-square, special in polyline shaped at interface place of touch-control drive electrode and touch-control sensing electrode or wavy shaped configuration, increase mutual capacitance (Cm) between the two, thus improve the touch-control sensitivity at contact panel place.
Description
Technical field
The utility model relates to touch-control display field, particularly relates to a kind of capacitance type touch-control structure and touch control display apparatus.
Background technology
Capacitance type touch control screen is divided into self-capacitance (Self-mode) and mutual capacitance type (Mutual mode).Because mutual capacitance type touch control screen can realize the touch-control of multiple spot, thus mutual capacitance type touch control screen is the main flow on current capacitance type touch control screen market.
In addition, the profile for touch screen is in the market generally rectangle or similar tetragonal, substrate is arranged along orthogonal X, Y-direction respectively to touch-control drive electrode and touch-control sensing electrode, forms touch pattern.Because each bar drive electrode on the substrate of rectangle or induction electrode are equidistant settings, can ensure that each touch area has drive electrode and induction electrode mutually to mate.But for the arrangement of this touch-control drive electrode and touch-control sensing electrode, the edge on special-shaped contact panel, arranges without corresponding drive electrode and induction electrode, then the problem such as can there is the action of None-identified touch-control or accuracy of identification is lower.Such as, as shown in Figure 1, if the fringe region on a circular touch control panel 1, due to drive motor DX and induction electrode RX edge region arrangement states undesirable, there will be the problems such as fringe region blind spot.
Utility model content
For problems of the prior art, the utility model provides a kind of capacitance type touch-control structure and touch control display apparatus, by arranging touch-control drive electrode and touch-control sensing electrode in polar mode, realize the touch-control accurately on the contact panel of non-rectangle or non-square, special in touch-control drive electrode and the touch-control sensing electrode broached-tooth design in the mutual occlusion at interface place, increase mutual capacitance (Cm) between the two, thus improve the touch-control sensitivity at contact panel place.
According to an exemplary embodiment of the present utility model, a kind of capacitance type touch-control structure is provided, comprises:
Many the first touch control electrode of arranging around the first curved band in center or endless belt;
Many along described first center to the second touch control electrode that described arcuate zone or the extension of line direction, endless belt are arranged;
Described first touch control electrode and described second touch control electrode mutually insulated.
Preferably, many described first touch control electrode are with described first center for arranging successively in the center of circle, and described first touch control electrode has different radii.
Preferably, described second touch control electrode is triangular in shape, fan-shaped or trapezoidal.
Preferably, described in each, the second touch control electrode has equal area and equidistant placement.
Preferably, described first touch control electrode comprises multiple the first sub-touch control electrode be electrically connected to each other; Described second touch control electrode comprises multiple the second sub-touch control electrode be electrically connected to each other; A described first sub-touch control electrode and adjacent institute one state the second sub-touch control electrode and form a touch control unit.
Preferably, in a described touch control unit, described first sub-touch control electrode forms the first interface with the relative second sub-touch control electrode, and described first interface is rectilinear structure or polyline shaped structure or wavy shaped configuration.
Preferably, described first interface is rectilinear structure, and the first side of described first sub-touch control electrode and the second side of described second sub-touch control electrode are oppositely arranged.
Preferably, described first interface is polyline shaped structure, described first sub-touch control electrode comprises the 3rd side and adjacent with described 3rd side and formed and preset the 5th side of angle, described second sub-touch control electrode comprises four side and adjacent with described four side and formed and preset the 6th side of angle, and described 3rd side and the 5th side are oppositely arranged respectively at four side and the 6th side.
Preferably, described first touch control electrode and described second touch control electrode insulate with layer and arrange; Wherein, described first touch control electrode comprises multiple bridge electrode, and described first sub-touch control electrode is with described second sub-touch control electrode for arranging at interval, and described first sub-touch control electrode is electrically connected by described bridge electrode; Or described second touch control electrode comprises multiple bridge electrode, described second sub-touch control electrode is with described first sub-touch control electrode for arranging at interval, and described second sub-touch control electrode is electrically connected by described bridge electrode.
Preferably, described first touch control electrode and described second touch control electrode laminated insulation are arranged.
Preferably, described first touch control electrode is touch-control drive electrode; Described second touch control electrode is touch-control sensing electrode.
According to another exemplary embodiment of the present utility model, a kind of touch control display apparatus is provided, comprises above-mentioned capacitance type touch-control structure and display unit.
Preferably, described touch control display apparatus also comprises the substrate being arranged on described display unit side, and described capacitance type touch-control structure is positioned at the side of described substrate near described display unit.
Preferably, described display unit comprises a display panel, and described display panel comprises first substrate and the second substrate opposite disposed with described first substrate; Described capacitance type touch-control structure is arranged at the side that described first substrate deviates from described second substrate; Or described capacitance type touch-control structure is arranged at the side of described first substrate near described second substrate.
Preferably, described display panel profile is circular, oval, fan-shaped, triangle or trapezoidal.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of disclosed in prior art schematic diagram of contact panel;
Fig. 2 is a kind of disclosed in the utility model schematic diagram of capacitance type touch-control structure;
Fig. 3 is the partial schematic diagram of the capacitance type touch-control structure P1 in Fig. 2;
Fig. 4 is the principle of work schematic diagram of the capacitance type touch-control structure in Fig. 2;
Fig. 5 is the close-up schematic view of the capacitance type touch-control structure in Fig. 2;
Fig. 6 is the close-up schematic view of the capacitance type touch-control structure in Fig. 5;
Fig. 7 is the another enlarged diagram in local of the capacitance type touch-control structure in Fig. 2;
Fig. 8 is the close-up schematic view of the tactile capacitance type touch-control structure in Fig. 7;
Fig. 9 is a local enlarged diagram again of the capacitance type touch-control structure in Fig. 2;
Figure 10 is the schematic diagram of capacitance type touch-control structure P2 another kind of disclosed in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in figures 1-8, this enforcement is novel provides a kind of capacitance type touch-control structure P1, the rounded structure of this touch-control structure P1 main part, as shown in Figure 1, it should be noted that: Fig. 1 gives one of this touch-control structure schematic diagram macroscopically, is not its detailed structure.This touch-control structure P1 mainly comprises: many that arrange along latitude direction is first touch control electrode 11 of the center of circle ringwise with layout around the first center J1; Many along longitudinal setting extend layout along the first center J1 to line direction, described endless belt, second touch control electrode 12 of arranging successively in divergent shape with described; In addition, as shown in Figure 1, the first different touch control electrode 11 has different radiuses.Drive and inducing function to realize, the first touch control electrode 11 must be electrically insulated mutually with described second touch control electrode 12 simultaneously.Arrange if both are same layers, one of them electrode then needs to realize electrical connection by the mode of bridge electrode structure or wire jumper; Arrange if both are layerings, then need between two-layer to arrange insulation course.According to the design of different touch-control display panels, can come to change accordingly, do not do any restriction at this.
Continue with reference to figure 1, arrangement for the first touch control electrode 11 is: evenly distributed successively with the first center J1 (center as circular touch pattern in Fig. 1), because mutual tool is at regular intervals, many the first touch control electrode 11 are the distributions presenting concentric circles and endless belt with the first center J1, to the continuous increase of the radius of the first center J1, therefore from the position of the first center J1 outward, the girth of the first touch control electrode 11 increases successively.In addition, need to arrange the first touch control electrode 11 around the first center J1, as shown in fig. 1 without touch-control blind spot to realize in the first J1 position, center.
Continue with reference to shown in figure 1, arrangement for the second touch control electrode 12 is: along the first center J1 (center as the circular touch pattern in Fig. 1) to as described in line direction, endless belt is arranged in divergent shape, each second touch control electrode 12 is triangular in shape, fan-shaped or trapezoidal.Be wherein fan-shaped for the second touch control electrode 12 in Fig. 1, but be not limited thereto.In order to realize touch controllable function comparatively accurately, need evenly to arrange the second touch control electrode 12, comparatively preferred a kind of mode is: each second touch control electrode 12 has identical area, each other in equidistant placement.
As shown in Figure 10, on the basis of above-described embodiment, this enforcement is novel provides also a kind of capacitance type touch-control structure P2, this touch-control structure P2 main part is sector structure, as shown in Figure 10, it should be noted that: Figure 10 gives one of this touch-control structure schematic diagram macroscopically, is not its detailed structure.This touch-control structure P2 mainly comprises: many first touch control electrode 21 of arranging for the curved band in the center of circle with the second center J2; Many the second touch control electrode 22 of arranging in divergent shape on described second center J2 (in Figure 10 oval dotted portion) extremely described arcuate zone line direction.
This touch-control structure P2 is sector structure, can think the local of touch-control structure P1 circular in above-described embodiment, just repeat no more so have identical structure at this.It should be noted that: many first touch control electrode 21 are the distributions presenting concentric arcs band with the second central point J2, to the continuous increase of the radius of the second center J2, therefore from the position of the second center J2 outward, the arc length of the first touch control electrode 21 increases successively.Certainly be also provided with and the first touch control electrode 21 at the second central point J2 place.
Certainly, for the profile of touch-control structure, can also be semicircle, oval or other are special-shapedly all fine, not do too much repeating at this.
Below the above-mentioned principle of work presenting the touch-control structure of circular configuration or sector structure is described in detail:
Shown in Fig. 3-4, can be touch-control drive electrode DX for the first touch control electrode 11, the second touch control electrode 12 be touch-control sensing electrode RX.As shown in Figure 3, in a touch control unit, the first touch control electrode 11 and the second touch control electrode 12 can form mutual capacitance Cm each other, when have touch-control action in figure 3 dotted portion occur time, meeting electric capacity Cm herein can be made to change.So now how to orient the elaborate position of touch-control action, realized by polar scan mode, as shown in Figure 4.Touch-control coordinate for circular touch structure P1 can be circular coordinate, i.e. polar coordinates, if distance home position is (R, θ).When touch-control action occurs, by within each scan period, independent Scanning Detction is carried out to each point of crossing of touch-control drive electrode DX and touch-control sensing electrode RX, determine the change of Cm, thus realize RX and DX of locking, orient action and position (R, θ) occurs.
For the touch-control structure of fan-shaped touch-control structure, semicircle or other abnormity, be all by so polar scan mode, realize positioning function.Certainly, the touch control manner in the present embodiment, is a kind of touch control manner of mutual capacitance, can realizes multi-point touch truly.
Below the detailed construction of touch control electrode is set forth:
As seen in figs. 5-6, wherein Fig. 5 is the enlarged drawing of the circular dashed line part of marginal portion in Fig. 2, and first touch control electrode 11 comprises multiple the first sub-touch control electrode 11a be electrically connected to each other and forms.Wherein, multiple first sub-touch control electrode 11a is along the latitude directional spreding at the first touch control electrode 11 place, and it can be have diamond structure or block structure, in the present embodiment for diamond structure, but is not limited thereto.
Second touch control electrode 12 comprises multiple the second sub-touch control electrode 12a be electrically connected to each other and forms.Wherein, multiple second sub-touch control electrode 12a distributes along the longitudinal at the first touch control electrode 12 place, and it can be have diamond structure or block structure, in the present embodiment for diamond structure, but is not limited thereto.
In addition, it should be noted that the first touch control electrode 11 and the passable same layer of the second touch control electrode 12 are arranged, also can be that layering is arranged.Arrange if both are same layers, so multiple first sub-touch control electrode 11a realizes electrical connection by golden bridge electrode 14a, as shown in Figure 5.Equally, also can be that multiple second sub-touch control electrode 12a realizes electrical connection by bridge electrode.This is the common technology of this area, just repeats no more at this.For situation about arranging with the first touch control electrode and the second touch control electrode layering, need to be provided with insulation course between the two, meanwhile, multiple described first sub-touch control electrode is directly connected each other, multiple described second sub-touch control electrode is also directly be connected each other, not shown.Because emphasis of the present utility model does not lie in this, therefore concrete interlayer relation is not described in detail at this.Present embodiment is set to example with the first touch control electrode 11 and the second touch control electrode 12 with layer, sets forth.
As shown in Figure 5, the partial enlarged drawing of this touch pattern is visible, and each the first sub-touch control electrode 11a assumed diamond in shape is mutually chimeric with the assume diamond in shape second adjacent sub-touch control electrode 12a, forms mutual capacitance Cm.Concrete structure, as shown in Figure 6, a first sub-touch control electrode 11a and second sub-touch control electrode 12a forms a touch control unit U1.
In a touch control unit U1, first interface of the second sub-touch control electrode 12a that the first sub-touch control electrode 11a is adjacent is rectilinear structure.Concrete is: the second side 2a on the first side 1a on the first sub-touch control electrode 11a and the second sub-touch control electrode 12a is oppositely arranged and be arranged in parallel, thus forms the first interface of parallel construction.So, at the first interface place, the first side 1a and the second side 2a, forms plane-parallel capacitor, produces mutual capacitance Cm, thus realizes touch controllable function.
On the basis of above-described embodiment, in order to provide the touch accuracy of touch control unit further, the i.e. size of the changing value of mutual capacitance Cm, the utility model basis in the above-described embodiments provides a kind of structure that can realize the touch control electrode of more high-precision touch controllable function.
Below above-mentioned touch control electrode is described in detail:
As shown in 7-8, wherein Fig. 7 is the enlarged drawing of the circular dashed line part of marginal portion in Fig. 2, and first touch control electrode 11 comprises multiple the first sub-touch control electrode 11b be electrically connected to each other and forms.Wherein, multiple first sub-touch control electrode 11b is along the latitude directional spreding at the first touch control electrode 11 place.Wherein multiple first sub-touch control electrode 11b realizes electrical connection mutually by bridge electrode 14b.
Second touch control electrode 12 comprises multiple the second sub-touch control electrode 12b be electrically connected to each other and forms.Wherein, multiple second sub-touch control electrode 12b distributes along the longitudinal at the first touch control electrode 12 place, and it can be have diamond structure or block structure, in the present embodiment for diamond structure, but is not limited thereto.
As shown in Figure 7, the partial enlarged drawing of this touch pattern is visible, and each first sub-touch control electrode 11b is mutually chimeric with the assume diamond in shape second adjacent sub-touch control electrode 12b, forms mutual capacitance Cm.Concrete structure, as shown in Figure 8, a first sub-touch control electrode 11b and second sub-touch control electrode 12b forms a touch control unit U2.
In a touch control unit U2, wherein, the first sub-touch control electrode 11b comprises the 3rd side 111 and has one with it and presets the sub-touch control electrode 12b of the 5th side 112, second of angle and comprise four side 121 and have the 6th side 122 that presets angle with it.As shown in Figure 8, first interface of the first sub-touch control electrode 11b and the second sub-touch control electrode 12b is polyline shaped structure, certainly, can be wavy shaped configuration.Concrete, in this embodiment, this first interface is polyline shaped structure, is specially the laciniation of occlusion mutually.Concrete is: at the first interface place, and the 3rd side 111 on the first sub-touch control electrode 11b is oppositely arranged with the four side 121 on described second sub-touch control electrode 12b; The 5th side 112 on first sub-touch control electrode 11b and the 6th side 122 on the second sub-touch control electrode 12b are oppositely arranged.Thus the laciniation of the mutual occlusion in polyline shaped is formed at the first interface place.So, at the first interface place, the 3rd side 111 and four side 121, forms plane-parallel capacitor, produces mutual capacitance Cm; Meanwhile, the 5th side 112 and the 6th side 122, form plane-parallel capacitor, produces mutual capacitance Cm.The edge length of this project organization by joining between the sub-touch control electrode 11b of increase by first and the second sub-touch control electrode 12b, thus improve mutual capacitance between the two.
In this embodiment, the concrete structure of the first sub-touch control electrode 11b can as shown in Figure 8, and namely each first sub-touch control electrode 11b is in the mutual inverted trapezoidal pattern being connected to form similar " dumbbell " by strip structure by two.
Simultaneously the concrete structure of the first sub-touch control electrode 11b also can be as shown in Figure 9, and namely each first sub-touch control electrode 11b is in inversion mutually and the pattern that formed of interconnective triangle by two.
For the concrete pattern of the first sub-touch control electrode 11b structure, above two kinds of pattern forms are a kind of citing just, any restriction is not done at this, all be fine as long as first interface that can realize the first sub-touch control electrode 11b and the second sub-touch control electrode 12b is polyline shaped structure or wavy shaped configuration, in this discussion of no longer illustrating.
By a kind of touch control display apparatus that the invention also discloses, comprise above-mentioned capacitance type touch-control structure and display unit.
In a kind of embodiment of the present utility model, this touch control display apparatus is external hanging type control mode touch mode and touch-control structure and display unit is that separate type is arranged, specifically: in this touch control display apparatus, also comprise the substrate being arranged on display panel side, capacitance type touch-control structure described above is positioned at the side of described substrate near described display unit.
In another kind of embodiment of the present utility model, this touch control display apparatus is embedded touch pattern and touch-control structure and display unit is that integral type is arranged, specifically: this display unit can be a display panel, this display panel profile can be circular, oval, fan-shaped, triangle or trapezoidal.
This display panel comprises first substrate and the second substrate opposite disposed with it.In order to realize the setting of integral type, above-mentioned capacitance type touch-control structure can be arranged at the side that first substrate deviates from second substrate.Certainly, also above-mentioned capacitance type touch-control structure can be arranged at the side of first substrate near second substrate.Specifically how to arrange, can arrange accordingly according to concrete panel construction, do not do any restriction at this.
The utility model provides a kind of capacitance type touch-control structure and touch control display apparatus, by arranging touch-control drive electrode and touch-control sensing electrode in polar mode, realize the touch-control accurately on the contact panel of non-rectangle or non-square, special in polyline shaped at interface place of touch-control drive electrode and touch-control sensing electrode or wavy shaped configuration, to increase mutual capacitance (Cm) between the two, thus improve the touch-control sensitivity at contact panel place.
In this instructions, various piece adopts the mode of going forward one by one to describe, and what each some importance illustrated is the difference with other parts, between various piece identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (15)
1. a capacitance type touch-control structure, is characterized in that, comprising:
Many the first touch control electrode of arranging around the first curved band in center or endless belt;
Many along described first center to the second touch control electrode that described arcuate zone or the extension of line direction, endless belt are arranged;
Described first touch control electrode and described second touch control electrode mutually insulated.
2. capacitance type touch-control structure as claimed in claim 1, is characterized in that, many described first touch control electrode are with described first center for arranging successively in the center of circle, and described first touch control electrode has different radii.
3. capacitance type touch-control structure as claimed in claim 1, it is characterized in that, described second touch control electrode is triangular in shape, fan-shaped or trapezoidal.
4. capacitance type touch-control structure as claimed in claim 3, it is characterized in that, described in each, the second touch control electrode has equal area and equidistant placement.
5. capacitance type touch-control structure as claimed in claim 1, it is characterized in that, described first touch control electrode comprises multiple the first sub-touch control electrode be electrically connected to each other; Described second touch control electrode comprises multiple the second sub-touch control electrode be electrically connected to each other; A described first sub-touch control electrode and adjacent institute one state the second sub-touch control electrode and form a touch control unit.
6. capacitance type touch-control structure as claimed in claim 5, it is characterized in that, in a described touch control unit, described first sub-touch control electrode forms the first interface with the relative second sub-touch control electrode, and described first interface is rectilinear structure or polyline shaped structure or wavy shaped configuration.
7. capacitance type touch-control structure as claimed in claim 6, it is characterized in that, described first interface is rectilinear structure, and the first side of described first sub-touch control electrode and the second side of described second sub-touch control electrode are oppositely arranged.
8. capacitance type touch-control structure as claimed in claim 6, it is characterized in that, described first interface is polyline shaped structure, described first sub-touch control electrode comprises the 3rd side and adjacent with described 3rd side and formed and preset the 5th side of angle, described second sub-touch control electrode comprises four side and adjacent with described four side and formed and preset the 6th side of angle, and described 3rd side and the 5th side are oppositely arranged respectively at four side and the 6th side.
9. capacitance type touch-control structure as claimed in claim 5, it is characterized in that, described first touch control electrode and described second touch control electrode insulate with layer and arrange;
Wherein, described first touch control electrode comprises multiple bridge electrode, and described first sub-touch control electrode is with described second sub-touch control electrode for arranging at interval, and described first sub-touch control electrode is electrically connected by described bridge electrode; Or,
Described second touch control electrode comprises multiple bridge electrode, and described second sub-touch control electrode is with described first sub-touch control electrode for arranging at interval, and described second sub-touch control electrode is electrically connected by described bridge electrode.
10. as right wants the capacitance type touch-control structure as described in 5, it is characterized in that, described first touch control electrode and described second touch control electrode laminated insulation are arranged.
11. capacitance type touch-control structures as claimed in claim 1, it is characterized in that, described first touch control electrode is touch-control drive electrode; Described second touch control electrode is touch-control sensing electrode.
12. 1 kinds of touch control display apparatus, is characterized in that, comprise the capacitance type touch-control structure as described in any one of claim 1-11 and display unit.
13. touch control display apparatus as claimed in claim 12, it is characterized in that, also comprise the substrate being arranged on described display unit side, described capacitance type touch-control structure is positioned at the side of described substrate near described display unit.
14. touch control display apparatus as claimed in claim 12, it is characterized in that, described display unit comprises a display panel, and described display panel comprises first substrate and the second substrate opposite disposed with described first substrate; Described capacitance type touch-control structure is arranged at the side that described first substrate deviates from described second substrate;
Or described capacitance type touch-control structure is arranged at the side of described first substrate near described second substrate.
15. touch control display apparatus as claimed in claim 13, is characterized in that, described display panel profile is circular, oval, fan-shaped, triangle or trapezoidal.
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| CN104978071A (en) * | 2015-07-28 | 2015-10-14 | 京东方科技集团股份有限公司 | Touch control panel, touch control display panel and touch control display apparatus |
| CN105068693A (en) * | 2015-08-28 | 2015-11-18 | 京东方科技集团股份有限公司 | Touch electrode structure, touch panel and display apparatus |
| CN105242814A (en) * | 2015-09-14 | 2016-01-13 | 友达光电（苏州）有限公司 | Capacitive touch structure and touch display apparatus thereof |
| CN105824476A (en) * | 2016-04-28 | 2016-08-03 | 京东方科技集团股份有限公司 | Touch structure and driving method thereof, touch screen and touch display device |
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| CN109656409A (en) * | 2018-12-12 | 2019-04-19 | 上海中航光电子有限公司 | A kind of touch-control display panel and display device |
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| CN105068693B (en) * | 2015-08-28 | 2018-01-02 | 京东方科技集团股份有限公司 | Touch electrode structure, contact panel and display device |
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