CN103907084A - Conductor pattern, touch panel module, and electronic device - Google Patents
Conductor pattern, touch panel module, and electronic device Download PDFInfo
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- CN103907084A CN103907084A CN201280042584.8A CN201280042584A CN103907084A CN 103907084 A CN103907084 A CN 103907084A CN 201280042584 A CN201280042584 A CN 201280042584A CN 103907084 A CN103907084 A CN 103907084A
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- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 20
- 230000005684 electric field Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
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- 238000000059 patterning Methods 0.000 description 2
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- 210000003456 pulmonary alveoli Anatomy 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 239000012780 transparent material Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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- Quality & Reliability (AREA)
- Position Input By Displaying (AREA)
Abstract
Provided are a conductor pattern, a touch panel module, and an electronic device. The conductor pattern, which is formed on a substrate surface of a capacitive touch panel and includes a plurality of conductive cells and a plurality of conductive wires, includes: a first cell and a second cell disposed in a first direction; and N first wires (N is an integer and N >= 2) connecting N first contact points of the first cell with N second contact points of the second cell, wherein the first cell has at least one first concave part recessed from each of the N first contact points toward the inside of the first cell.
Description
Technical field
The present invention relates to conductive pattern, there is the touch panel module of this conductive pattern and use the electronic equipment of this touch panel module.
Background technology
The input equipment that touch input device is called as the finger touch position on sensing touch plate and the information of the touch location of sensing is provided as input message.Several method can be for touch input device, and representative illustration wherein comprises electric-resistivity method and capacitance method.Capacitance method mainly comprises self-capacitance method and mutual capacitance method.
Mutual capacitance method comprises the operation pattern and the sensing patterns that form transparent conductive material, between these two patterns, can form electric capacity.If finger is placed near two patterns or touches this two patterns, the capacitance between these two patterns is changed so.Correspondingly, if whether the capacitance of measuring between these two patterns changes, can confirm that so whether touch pad is by finger touch.For this reason, once electric signal is applied to operation pattern, charge injection is to sensing patterns.Because iunjected charge amount can change along with the electric capacity between operation pattern and sensing patterns, the change of the quantity of electric charge Detection capacitance that therefore can inject by measurement.Consequently, detect and whether make touch input.
Summary of the invention
Technical matters
The disclosure provide a kind of for reduce the conductive pattern that capacitance touch input equipment uses resistance conductive pattern and use the technology of this conductive pattern.Scope of the present invention is not only to be limited by this technical matters.
Technical scheme
According to exemplary embodiment, on a kind of substrate surface that is formed on capacitance contact board and comprise that the conductive pattern of multiple conduction honeycombs and multiple wires comprises: the first honeycomb and the second honeycomb placed along first direction; And N the First Line (N is integer and N >=2) that the N of a first honeycomb first make contact is connected with individual second contact point of N of the second honeycomb, wherein, the first honeycomb has from least one first recess of each inner recess to the first honeycomb of N first make contact.
Described conductive pattern can also comprise: the 3rd honeycomb and the 4th honeycomb placed along second direction; And the second line that the 3rd honeycomb is connected with the 4th honeycomb.
Described the 3rd honeycomb can with described the first honeycomb and described the second honeycomb placed adjacent, and can there is the protuberance outstanding to the first recess of described the first honeycomb.
Described capacitance contact board has sandwich construction; Described the first honeycomb, described the second honeycomb, described the 3rd honeycomb and described the 4th honeycomb can be placed on the identical layer of described capacitance contact board; Described N first-line at least one can intersect with described the second line; And can form insulation course between described N first-line at least one and described the second line, to prevent the short circuit of cross section.
A described N First Line can be placed on identical layer with described the first honeycomb, described the second honeycomb, described the 3rd honeycomb and described the 4th honeycomb; Described insulation course can be stacked on a described N First Line; And described the second line can be stacked on described insulation course.
Described the second line can be placed on identical layer with described the first honeycomb, described the second honeycomb, described the 3rd honeycomb and described the 4th honeycomb; Described insulation course can be stacked on described the second line; And can be stacked on described insulation course on a described N First Line.
Described conductive pattern can also comprise: the 3rd honeycomb and the 4th honeycomb, be placed on second direction; The second line, connects the 3rd honeycomb and the 4th honeycomb.Described the second honeycomb can have at least one second recess to the second honeycomb inner recess between each of described N the second contact point; And described the 3rd honeycomb can with described the first honeycomb and described the second honeycomb placed adjacent, and there is first protuberance outstanding to the first recess of described the first honeycomb and to the second outstanding protuberance of described the second recess.
Described conductive pattern can also comprise: the signal transmssion line and the signal transmssion line that is connected to described the 3rd honeycomb that are connected to described the first honeycomb.
Described the first honeycomb can optionally receive AC signal or DC signal.
Described the first honeycomb, described the second honeycomb, described the 3rd honeycomb, described the 4th honeycomb, a described N First Line and described the second line can be formed by transparent conductive material.
Described the 3rd honeycomb and described the 4th honeycomb can have hole at each core of described the 3rd honeycomb and described the 4th honeycomb.
According to another exemplary embodiment, a kind of touch panel module, comprising: touch pad, comprises described conductive pattern; And touch pad control device, be configured to drive touch pad and receive and touch input signal from touch pad.
According to another exemplary embodiment, a kind of electronic equipment, comprising: touch pad, comprises described conductive pattern; Touch pad control device, is configured to drive touch pad and receives and touch input signal from touch pad; Processor, is configured to receive and touch input signal to process at least one program from touch pad control device; And touch-screen display, be configured to the result of output processor handling procedure.
According to another exemplary embodiment, a kind of conductive pattern, comprise: edge ± x direction repeats to be connected the pattern of unit conductive pattern with ± y direction, described unit conductive pattern comprises having that edge ± y direction repeats to connect drive electrode honeycomb of N sub-honeycomb and from a described N sensing electrode (N is integer and N >l) that drive electrode honeycomb interval preset distance is placed, wherein, in conductive pattern each sub-honeycomb ± end of x direction has in ± shape that x direction narrows gradually; And two adjacent driven electrode honeycombs in a drive electrode of conductive pattern by with each sub-honeycomb ± N connecting line of the corresponding contact point 157 in summit of the end of x direction be connected to each other.
Can form drive electrode by the drive electrode honeycomb that repeats to connect in ± x direction in described conductive pattern, can be by repeating to connect the sensing electrode honeycomb formation sensing electrode in described conductive pattern in ± y direction.
Drive electrode honeycomb and sensing electrode honeycomb in described conductive pattern can be placed on identical layer, and can form insulation course, with in the drive electrode honeycomb in described conductive pattern and sensing electrode honeycomb intersection region intersected with each other by described drive electrode and the insulation of described sensing electrode.
Brief description of the drawings
By the detailed description of carrying out below in conjunction with accompanying drawing, be appreciated that exemplary embodiment, wherein:
Fig. 1 is the diagram illustrating according to the example of the conductive pattern of embodiment;
Fig. 2 A to Fig. 2 E is the diagram illustrating according to the touch pad of Fig. 1 of embodiment;
Fig. 3 A to Fig. 3 G is the diagram illustrating according to the touch pad of embodiment;
Fig. 4 A to Fig. 4 F is the diagram illustrating according to the drive electrode honeycomb of embodiment and sensing electrode honeycomb;
Fig. 5 A, Fig. 5 B, Fig. 6 A, Fig. 6 B, Fig. 7 A, Fig. 7 B and Fig. 7 C be illustrate according to the unit conductive pattern of another embodiment with by repeating to be connected the electrode pattern that unit conductive pattern forms;
Fig. 8 A and Fig. 8 B be illustrate according to the unit conductive pattern of embodiment with by repeating to be connected the electrode pattern that unit conductive pattern forms;
Fig. 9 A and Fig. 9 B are the diagrams illustrating according to the electric current in the drive electrode honeycomb of embodiment;
Figure 10 A and Figure 10 B are the diagrams illustrating according to the shape of the drive electrode of another embodiment; And
Figure 11 is the diagram illustrating according to the unit conductive pattern of embodiment.
Embodiment
Describe below with reference to accompanying drawings the exemplary embodiment of concept of the present invention in detail.But, can embody concept of the present invention according to multi-form, and concept of the present invention should not be construed as limited to embodiment set forth herein.On the contrary, it is in order to make the disclosure more complete comprehensively that these embodiment are provided, and will pass on more all sidedly the scope of concept of the present invention to those skilled in the art.In the accompanying drawings, in order to be shown clearly in, can amplification layer and the size in region.
Fig. 1 is the diagram illustrating according to the electronic equipment of the use conductive pattern of embodiment.
Touch pad opertaing device 3 can comprise touch-sensing unit, the signal of inputting from touch pad 1 for sensing; Plate driver element, drives signal for generation of touch pad, input signal is delivered to touch pad 2; And touch pad processor, for controlling them.Touch pad processor can be the processor of programmable processor or special logic operation, such as state machine.
In addition, although do not illustrate in accompanying drawing, electronic equipment 100 can comprise the memory device of RAM or other types, and can comprise another equipment, such as house dog.
Fig. 2 A is the detailed view of the touch pad 1 shown in Fig. 1.
Touch pad 1 can comprise the multiple transparency electrode Cl to CM that for example, extend along first direction (, vertical direction), and the multiple transparency electrode Rl to RN that for example, extend along second direction (, parallel direction).At this, first direction can be vertical with second direction, but be not limited to this.In this instructions, for convenience, the electrode of vertical direction can be called as row electrode or sensing electrode 20, and the electrode of parallel direction can be called as column electrode or drive electrode 10.Sensing electrode 20 and drive electrode 10 intersect mutually, and Huo Qi peripheral region, point of crossing can be called as pixel 15.
Stray capacitance (Cstray) may reside in each pixel 15, and it is the electric capacity between two electronic units, between two wires and between wire, element and substrate.Because stray capacitance is as the capacitor in high-frequency circuit or pulsing circuit, therefore may affect operation.
Once voltage is applied to drive electrode 10, can electronic injection be arrived to sensing electrode 20 by the mutual capacitance Csense at the point of crossing place of drive electrode 10 and sensing electrode 20.Can use drive the first order Vdrive of signal and the product representation of mutual capacitance Csense to be input to each sensing electrode 20 charge Q sense(, Qsense=Vdrive * Csense).
Can form touch pad 1 with sandwich construction, drive electrode 10 and sensing electrode 20 can be formed on different layers or identical layer.Fig. 2 B and Fig. 2 C are the diagrams in the time that drive electrode 10 and sensing electrode 20 are formed on different layers.Fig. 2 D and Fig. 2 E are the diagrams in the time that drive electrode 10 and sensing electrode 20 are formed on identical layer.Insulation course can be positioned at sensing electrode 20 and drive electrode 10, to prevent short circuit between the two.Protective seam 30 can be formed on sensing electrode 20 and drive electrode 10.Once voltage is applied to drive electrode 10, form electric field 510, flow to sensing electrode 20 from drive electrode 10.According to the amount of electric field 510, can determine the value Csense of the mutual capacitance between drive electrode 10 and sensing electrode 20.Once make touch input by pointing 600 as shown in Fig. 2 C or Fig. 2 E, the part electric field 510 flowing out from drive electrode 10 is cut off, thereby can change the mutual capacitance value (Csense → Csense-Δ Csense) between drive electrode 10 and sensing electrode 20.
In the time that as shown in Fig. 2 D and Fig. 2 E, drive electrode 10 and sensing electrode 20 are formed on identical layer, insulator can be positioned at drive electrode 10 and sensing electrode 20, to prevent the short circuit at point of crossing place of drive electrode 10 and sensing electrode 20.Its detailed content will refer again to Fig. 4 E and Fig. 4 F and associated description thereof and illustrate.
Refer again to Fig. 2 A, drive signal can be applied to one of drive electrode 10 (, the R1 of Fig. 2 A), drive signal such as train of impulses, wherein, repeat periodically the voltage Vdrive of the first estate and 0 V voltage of the second grade in the specified time interval time limit.After specified time interval, can change and input the drive electrode 10 that drives signal.DC voltage, for example, 0 V, can be applied to the residue drive electrode 10 except having inputted the drive electrode 10 that drives signal.Comprise sensing electrode 20, be connected to the current sensor of each sensing electrode 20 and drive electrode 10 and the circuit that forms can comprise resistance and capacitive element.To this, can determine time constant by resistance and capacitive element product extremely in partial circuit or whole circuit.The value that reduces time constant can shorten the cycle of the train of impulses that is input to circuit.At this, because drive electrode 10 and sensing electrode 20 itself have resistance, be therefore necessary to reduce its resistance value.According to embodiment, the electrode structure of the resistance value that reduces drive electrode 10 itself or sensing electrode 20 itself is disclosed.
Fig. 3 A is according to the planimetric map of the touch pad 1 of embodiment.
Touch pad 1 comprises substrate 101 and is formed on multiple sensing electrodes 20 and the drive electrode 10 on substrate 101.As shown in Figure 3A, each sensing electrode 20 extends along y axle, and each drive electrode 10 extends along x axle.Each drive electrode 10 comprises multiple drive electrode honeycombs 110, and each sensing electrode 20 comprises multiple sensing electrode honeycombs 120.At 10 and 5 sensing electrodes 20 of 4 drive electrodes shown in Fig. 3 A as example, but their quantity can change according to embodiment.
According to embodiment, drive electrode 10 has such shape: unit honeycomb repeats to connect along a direction.At this, can there is the shape different from other unit honeycomb at the unit honeycomb of drive electrode 10 one or both ends.The unit honeycomb of the one or both ends of sensing electrode 20 also can be like this.
But the unit honeycomb at drive electrode 10 edges can have the shape different from repeating drive electrode honeycomb 110, the unit honeycomb at sensing electrode 20 edges can have the shape different from repeat sensing electrode honeycomb 120.
Fig. 3 B illustrates a drive electrode honeycomb 110 of Fig. 3 A, and Fig. 3 C illustrates a sensing electrode honeycomb 120 of Fig. 3 A.
Fig. 3 D illustrates the drive electrode 10 that the drive electrode honeycomb 110 of multiple combinations forms, and Fig. 3 E illustrates the sensing electrode 20 that multiple sensing electrode honeycombs 120 form.
Fig. 3 F illustrates the drive electrode group that comprises multiple drive electrodes 10, and Fig. 3 G illustrates the sensing electrode group that comprises multiple sensing electrodes 20.
Fig. 4 A illustrates the diagram when two drive electrode honeycombs 110 and two sensing electrode honeycomb 120 combinations with one another.By forming the pattern in Fig. 3 A in x direction and y direction repeated combination unit structure, wherein, be mutually combined to form each unit structure by a drive electrode honeycomb 110 and two sensing electrode honeycombs 120.Or, by the sensing electrode group of the drive electrode group of Fig. 3 F and Fig. 3 G is combined to form to the pattern in Fig. 3 A.
The connecting structure of drive electrode honeycomb 110 is described with reference to Fig. 4 A and Fig. 4 B hereinafter.Each drive electrode honeycomb 110 has electric conductivity.The first drive electrode honeycomb 111 and the second drive electrode honeycomb 112 can be placed in the x-direction.Can be by using the first wire 131 and the second wire 132 that the first drive electrode honeycomb 111 and the second drive electrode honeycomb 112 are connected to each other, each of the first wire 131 and the second wire 132 is one of drive electrode connecting line 130 being connected in drive electrode honeycomb 110.Each of the first wire 131 and the second wire 132 can be connected to first make contact 151 and second contact point 152 of the first drive electrode honeycomb 111.The first drive electrode honeycomb 111 can have recess 180, to the inner recess of the first drive electrode honeycomb 111 between first make contact 151 and the second contact point 152.Although described as shown in Figure 4 A in a side of drive electrode honeycomb 110 and had multiple contact points 150, also can there are multiple contact points 150 at opposite side.In addition, there is recess 180 although described as shown in Figure 4 B in a side of drive electrode honeycomb 110, also can have another recess at opposite side.
The first sensing electrode honeycomb 121 and the second sensing electrode honeycomb 122 can be placed along y axle, and the state of an illness can be placed between the first drive electrode honeycomb 111 and the second drive electrode honeycomb 112.Can be by using privates 141 that the first sensing electrode honeycomb 121 and the second sensing electrode honeycomb 122 are connected to each other, privates 141 is one of sensing electrode connecting lines 140 that connect in sensing electrode honeycomb 120.Now, the second wire 132 and privates 141 are intersected with each other.Form insulator by the point of crossing at the second wire 132 and privates 141, can prevent the short circuit between sensing electrode 20 and drive electrode 10.
Fig. 4 C is the planimetric map that is shown specifically the point of crossing CB of drive electrode connecting line 130 and sensing electrode connecting line 140.On substrate 101, form sensing electrode connecting line 140, on sensing electrode connecting line 140, form drive electrode connecting line 130.Can between sensing electrode connecting line 140 and drive electrode connecting line 130, form insulator 170, to prevent the short circuit between them.Fig. 4 D is the sectional view along the line A-A of Fig. 4 C.Drive electrode connecting line 130 is by insulator 170 and sensing electrode connecting line 140 electrical isolations.
Fig. 4 E is the planimetric map illustrating according to the point of crossing CB of drive electrode and sensing electrode in the conductive pattern of embodiment.Fig. 4 F is the sectional view along the line A-A of Fig. 4 E.As shown in Fig. 4 C and Fig. 4 D, sensing electrode connecting line 140 can be on substrate 101, and drive electrode connecting line 130 can be at sensing electrode connecting line 140.On the contrary, as shown in Fig. 4 E and Fig. 4 F, drive electrode connecting line 130 can be on plate 101, and sensing electrode connecting line 140 can be on drive electrode connecting line 130.
As shown in Fig. 3 A to Fig. 3 F and Fig. 4 A to Fig. 4 F, it seems different parts that drive electrode honeycomb 110 and drive electrode connecting line 130 are described to them.But, can form this two parts by a processing simultaneously, or form respectively this two parts by different processing, and then these two parts are electrically connected to each other.In an identical manner, sensing electrode honeycomb 120 and sensing electrode connecting line 140 can be described.
Fig. 5 A, Fig. 5 B, Fig. 6 A, Fig. 6 B, Fig. 7 A and Fig. 7 B illustrate when the conductive pattern in the time that identical layer forms drive electrode and sensing electrode according to another embodiment.
Fig. 5 A is according to the diagram of the unit conductive pattern of the formation touch pad of embodiment.Unit conductive pattern comprises drive electrode honeycomb 110_1 and sensing electrode honeycomb 120_1.The signal that is applied to drive electrode honeycomb 110_1 is imported into contact point 153, and is output by contact point 154.Flowing of electric current can change according to the shape of the conductor of current flowing.When as shown in Figure 5A, electric current is by having the contact point 153 of limited area and at 154 o'clock, and the region that label is 177 does not have help to smooth and easy the flowing of electric current.
When repeat the unit conductive pattern of Fig. 5 A at x axle and y axle, obtain the touch patterns of Fig. 5 B.To this, although Fig. 5 B do not illustrate, drive electrode honeycomb 110_1 can be connected to each other along x axle, sensing electrode honeycomb 120_1 can be connected to each other along y axle.In the patterning of Fig. 5 B, because the region that sensing electrode honeycomb 120_1 occupies on touch pad is little, therefore sensing resolution is low.
Fig. 6 A is according to the diagram of the unit conductive pattern of the formation touch pad of another embodiment.Unit conductive pattern comprises drive electrode honeycomb 110_2 and sensing electrode honeycomb 120_2.The signal that is applied to drive electrode honeycomb 110_2 is imported into contact point 153, and is output by contact point 154.
When repeat the unit conductive pattern of Fig. 6 A at x axle and y axle, obtain the touch patterns of Fig. 6 B.To this, although Fig. 6 B do not illustrate, drive electrode honeycomb 110_2 can be connected to each other along x axle, sensing electrode honeycomb 120_2 can be connected to each other along y axle.
Compared with the electrode pattern of Fig. 5 B, because the region that in the patterning of Fig. 6 B, sensing electrode honeycomb 120_2 occupies on touch pad is relatively large, therefore can provide sensing resolution.In addition, in drive electrode honeycomb 110_2, corresponding region is relative improves with the region 177 of drive electrode honeycomb 110_1.
Fig. 7 A is the diagram that forms the unit conductive pattern of touch pad according to another embodiment.Unit conductive pattern comprises drive electrode honeycomb 110_3 and sensing electrode honeycomb 120_3.The signal that is applied to drive electrode honeycomb 110_3 is imported into contact point 153, and is output by contact point 154.As shown in Figure 7 A, electric current can flow through a butt contact, or as shown in Fig. 7 C, electric current can flow through more than two pairs contact point.When repeat the unit conductive pattern of Fig. 7 A at x axle and y axle, obtain the touch patterns of Fig. 7 B.To this, although Fig. 7 B do not illustrate, drive electrode honeycomb 110_3 can be connected to each other along x axle, sensing electrode honeycomb 120_3 can be connected to each other along y axle.
Compared with the electrode pattern of Fig. 6 A, because the sensing electrode honeycomb 120_3 of Fig. 7 A also comprises teat 195, therefore can further improve the sensing function that touches input.
Fig. 8 A is according to the diagram of the unit conductive pattern of the formation touch pad of embodiment.Unit conductive pattern comprises drive electrode honeycomb 110 and two sensing electrode honeycombs 120 connected to one another.The signal that is applied to drive electrode honeycomb 110 is imported into contact point 153, and is output by contact point 154.
When repeat the unit conductive pattern of Fig. 8 A at x axle and y axle, obtain the touch patterns of Fig. 8 B.To this, although Fig. 8 B do not illustrate, drive electrode honeycomb 110 is connected to each other along x axle, sensing electrode honeycomb 120 is connected to each other along y axle.The electrode pattern of Fig. 8 B is identical with the electrode pattern of the touch pad 1 of Fig. 3 A.
Compared with the electrode pattern of Fig. 7 A, the zone similarity that the region in the electrode pattern occupying due to the sensing electrode honeycomb 120 of Fig. 8 A and the sensing electrode honeycomb 120_3 of Fig. 7 A occupy.But as described with reference to Fig. 9, driving pattern honeycomb 110 resistance of Fig. 8 A are less than the resistance of the driving pattern honeycomb 110_3 of Fig. 7 A, therefore the pattern of Fig. 8 A has superiority more.
Fig. 9 A is the diagram that the electric current in the drive electrode honeycomb 110_3 of Fig. 7 A is shown.Fig. 9 B is the diagram that the electric current in the drive electrode honeycomb 110 of Fig. 8 A is shown.
According in the drive electrode honeycomb of Fig. 9 A and Fig. 9 B, electric current can flow into drive electrode honeycomb by contact point 153, and can flow out by contact point 154.To this, the current flowing of the drive electrode honeycomb 110_3 to Fig. 9 A does not have helpful region 177 wider than the region 177 of the drive electrode honeycomb 110 of Fig. 9 B.Therefore, the resistance of the drive electrode honeycomb 110 of resistance ratio Fig. 9 B of the drive electrode honeycomb 110_3 of Fig. 9 A has larger value.
The shape of the drive electrode 10 of describing with reference to Fig. 3 A to Fig. 3 F, Fig. 4 A to Fig. 4 F and Fig. 8 A and Fig. 8 B as mentioned above, reduce aspect the resistance value of drive electrode effective.Describe and be shaped as the drive electrode honeycomb 110 that is connected two sexangle alveoluss with Fig. 8 B with reference to Fig. 3 A to Fig. 3 F, Fig. 4 A to Fig. 4 F and Fig. 8 A, but the invention is not restricted to this.The various shapes of drive electrode honeycomb 110 are exemplarily described according to embodiments of the invention below.
Figure 10 A is the diagram illustrating according to the shape of the drive electrode honeycomb of another embodiment.Although Fig. 8 A illustrates the drive electrode honeycomb 110 with two connected sexangle honeycomb shape, shown in Figure 10 A, there is the drive electrode honeycomb 110 of two oval honeycomb shape that are connected.
Figure 10 B is the diagram illustrating according to the shape of the drive electrode honeycomb of another embodiment.Although Fig. 8 A illustrates the drive electrode honeycomb 110 with two connected sexangle honeycomb shape, shown in Figure 10 B, there is the drive electrode honeycomb 110 of three oval honeycomb shape that are connected.From here, be appreciated that drive electrode honeycomb can also comprise according to the shape of at least four of another embodiment connected alveoluss.
Can describe according to the shape of the drive electrode honeycomb of an embodiment from multiple angles.
First, can be connected to another drive electrode honeycomb by least two contact points according to the drive electrode honeycomb of embodiment.To this, by using at least two contact points as fixed point on drive electrode honeycomb, drive electrode honeycomb has the recess to its inner recess.
Secondly, according to embodiment drive electrode honeycomb and at least two sensing electrode honeycomb pairings, to form a unit conductive pattern.Repeat to be connected this unit conductive pattern at x axle and y axle, thereby, can realize the electrode pattern of touch pad.
Again, according to the drive electrode edge+x direction of embodiment and-x direction extend.When the drive electrode honeycomb edge+x direction with same shape is when-x direction repeats to be connected, can form this drive electrode.To this, a drive electrode honeycomb has such shape: connect edge+x direction and-at least two sub-honeycombs that x direction narrows in ± y direction.At this, x direction and y direction can be perpendicular to one another.The end of each sub-honeycomb of ± x direction can be coupled to the sub-honeycomb of another drive electrode honeycomb.
Figure 11 is the diagram illustrating according to the conductive pattern of embodiment
With reference to Figure 11, be such pattern according to the conductive pattern of embodiment: repeat to be connected unit conductive pattern 200 in ± x direction with ± y direction.Unit conductive pattern 200 comprises that having edge ± y direction repeats N sub-honeycomb 110_1 connecting and a drive electrode honeycomb 110 of 110_2, and with N the sensing electrode honeycomb 121 and 122 of a described drive electrode honeycomb 110 interval preset distances placements.Now, N is integer and N > 1.In conductive pattern, each sub-honeycomb (for example, 110_1 and 110_2) ± x direction end 190 has such shape: narrow gradually in ± x direction, two adjacent driven electrode honeycombs in a drive electrode of conductive pattern can by with each sub-honeycomb ± N connecting line of the corresponding contact point 157 in summit of the end 190 of x direction be connected to each other.
Below, with reference to Fig. 1 to 11 description according to the conductive pattern of embodiment.
Be the pattern forming on the surface of the substrate 101 in capacitance contact board according to the conductive pattern of embodiment, and comprise multiple conduction honeycombs 110 and 120 and multiple wire 130 and 140.This conductive pattern along first direction (for example can comprise, x direction) the first honeycomb 111 and the second honeycomb 112 placed, and N First Line 131 that the N of the first honeycomb 111 first make contact 151 is connected with individual the second contact point of the N of the second honeycomb 112 with 152 and 132(N are integer and N > 2).To this, the first honeycomb 111 can have at least one first recess 180 to the inner recess of the first honeycomb 111 from the middle part of N first make contact 151 and 152.This conductive pattern can also comprise the second line 141 for example, being connected with the 4th honeycomb 122 with the 4th honeycomb 122 and by the 3rd honeycomb 121 along the 3rd honeycomb 121 of second direction (, y direction) placement.
Above-mentioned drive electrode honeycomb 110, sensing electrode honeycomb 120, drive electrode connecting line 130, sensing electrode connecting line 140, insulator 170, protective seam 30 and substrate 101 can be formed by transparent material.
According to embodiment, the resistance of the conductive pattern using in capacitance touch input equipment can be reduced.Consequently, the time constant of touch input device circuit can be reduced, thereby touch input device can be than operation quickly before.
Although described conductive pattern, touch panel module and electronic equipment with reference to specific embodiment, be not limited to this.Therefore, those skilled in the art will be readily appreciated that, in the case of not departing from the spirit and scope of the present invention that claims limit, can make various amendments and change to it.
Claims (18)
1. on a substrate surface that is formed on capacitance contact board and comprise that the conductive pattern of multiple conduction honeycombs and multiple wires comprises:
The first honeycomb and the second honeycomb placed along first direction; And
N N the First Line (N is integer and N >=2) that the second contact point is connected by the N of a first honeycomb first make contact with the second honeycomb, wherein, the first honeycomb has from least one first recess of each inner recess to the first honeycomb of N first make contact.
2. conductive pattern as claimed in claim 1, also comprises:
The 3rd honeycomb and the 4th honeycomb placed along second direction; And
The second line that the 3rd honeycomb is connected with the 4th honeycomb.
3. conductive pattern as claimed in claim 2, is characterized in that, described the 3rd honeycomb and described the first honeycomb and described the second honeycomb placed adjacent, and there is the protuberance outstanding to the first recess of described the first honeycomb.
4. conductive pattern as claimed in claim 2, is characterized in that, described capacitance contact board has sandwich construction;
Described the first honeycomb, described the second honeycomb, described the 3rd honeycomb and described the 4th honeycomb are placed on the identical layer of described capacitance contact board;
Described N first-line at least one intersect with described the second line; And
Between described N first-line at least one and described the second line, form insulation course, to prevent the short circuit of cross section.
5. conductive pattern as claimed in claim 4, is characterized in that, a described N First Line and described the first honeycomb, described the second honeycomb, described the 3rd honeycomb and described the 4th honeycomb are placed on identical layer;
Described stacked dielectric layer is on a described N First Line; And
Described the second line is stacked on described insulation course.
6. conductive pattern as claimed in claim 4, is characterized in that, described the second line and described the first honeycomb, described the second honeycomb, described the 3rd honeycomb and described the 4th honeycomb are placed on identical layer;
Described stacked dielectric layer is on described the second line; And
On a described N First Line, be stacked on described insulation course.
7. conductive pattern as claimed in claim 1, also comprises:
The 3rd honeycomb and the 4th honeycomb, be placed on second direction;
The second line, connects the 3rd honeycomb and the 4th honeycomb, and wherein, described the second honeycomb has at least one second recess to the second honeycomb inner recess between each of described N the second contact point; And
Described the 3rd honeycomb and described the first honeycomb and described the second honeycomb placed adjacent, and the second protuberance that there is first protuberance outstanding to the first recess of described the first honeycomb and give prominence to described the second recess.
8. conductive pattern as claimed in claim 2, also comprises: the signal transmssion line and the signal transmssion line that is connected to described the 3rd honeycomb that are connected to described the first honeycomb.
9. conductive pattern as claimed in claim 8, is characterized in that, described the first honeycomb selective ground receives AC signal or DC signal.
10. conductive pattern as claimed in claim 2, is characterized in that, described the first honeycomb, described the second honeycomb, described the 3rd honeycomb, described the 4th honeycomb, a described N First Line and described the second line are formed by transparent conductive material.
11. conductive patterns as claimed in claim 2, is characterized in that, described the 3rd honeycomb and described the 4th honeycomb have hole at each core of described the 3rd honeycomb and described the 4th honeycomb.
12. 1 kinds of touch panel module, comprising:
Touch pad, comprises the conductive pattern described in any one in claim 1 to 12; And
Touch pad control device, is configured to drive touch pad and receives and touch input signal from touch pad.
13. 1 kinds of electronic equipments, comprising:
Touch pad, comprises the conductive pattern described in any one in claim 1 to 12;
Touch pad control device, is configured to drive touch pad and receives and touch input signal from touch pad;
Processor, is configured to receive and touch input signal to process at least one program from touch pad control device; And
Touch-screen display, is configured to the result of output processor handling procedure.
14. 1 kinds of conductive patterns, comprising:
Edge ± x direction repeats to be connected the pattern of unit conductive pattern with ± y direction, described unit conductive pattern comprises having that edge ± y direction repeats to connect drive electrode honeycomb of N sub-honeycomb and from a described N sensing electrode (N is integer and N >l) that drive electrode honeycomb interval preset distance is placed
Wherein, in conductive pattern each sub-honeycomb ± end of x direction has in ± shape that x direction narrows gradually; And
Two adjacent driven electrode honeycombs in a drive electrode of conductive pattern by with each sub-honeycomb ± N connecting line of the corresponding contact point in summit (157) of the end of x direction be connected to each other.
15. conductive patterns as claimed in claim 14, it is characterized in that, form drive electrode by the drive electrode honeycomb that repeats to connect in ± x direction in described conductive pattern, by forming sensing electrode at ± sensing electrode honeycomb that y direction repeats to connect in described conductive pattern.
Conductive pattern described in 16. claims 14, it is characterized in that, drive electrode honeycomb and sensing electrode honeycomb in described conductive pattern are placed on identical layer, and formation insulation course, with in the drive electrode honeycomb in described conductive pattern and sensing electrode honeycomb intersection region intersected with each other by described drive electrode and the insulation of described sensing electrode.
17. 1 kinds of touch panel module, comprising:
Touch pad, comprises the conductive pattern described in any one in claim 14 to 16; And
Touch pad control device, is configured to drive touch pad and receives and touch input signal from touch pad.
18. 1 kinds of electronic equipments, comprising:
Touch pad, comprises the conductive pattern described in any one in claim 14 to 16;
Touch pad control device, is configured to drive touch pad and receives and touch input signal from touch pad;
Processor, is configured to receive and touch input signal to process at least one program from touch pad control device; And
Touch-screen display, is configured to the result of output processor handling procedure.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0089067 | 2011-09-02 | ||
| KR1020110089067A KR101319946B1 (en) | 2011-09-02 | 2011-09-02 | Conductor pattern, touch panel module, and electric device |
| PCT/KR2012/002603 WO2013032097A1 (en) | 2011-09-02 | 2012-04-05 | Conductor pattern, touch panel module, and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103907084A true CN103907084A (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280042584.8A Pending CN103907084A (en) | 2011-09-02 | 2012-04-05 | Conductor pattern, touch panel module, and electronic device |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101319946B1 (en) |
| CN (1) | CN103907084A (en) |
| WO (1) | WO2013032097A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI703474B (en) * | 2014-09-19 | 2020-09-01 | 南韓商東友精細化工有限公司 | Touch sensor panel and method for fabricating the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102230610B1 (en) * | 2014-05-14 | 2021-03-23 | 엘지이노텍 주식회사 | Touch panel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080264699A1 (en) * | 2007-04-27 | 2008-10-30 | Trendon Touch Technology Corp. | Conductor pattern structure of capacitive touch panel |
| JP2010108505A (en) * | 2008-10-31 | 2010-05-13 | Focaltech Systems Ltd | Mutual capacitance touch panel and combined mutual capacitance touch panel |
| US20110025639A1 (en) * | 2009-08-03 | 2011-02-03 | Matthew Trend | Electrode layout for touch screens |
| TW201109771A (en) * | 2009-09-09 | 2011-03-16 | Au Optronics Corp | Touch-sensing display panel |
-
2011
- 2011-09-02 KR KR1020110089067A patent/KR101319946B1/en active IP Right Grant
-
2012
- 2012-04-05 CN CN201280042584.8A patent/CN103907084A/en active Pending
- 2012-04-05 WO PCT/KR2012/002603 patent/WO2013032097A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080264699A1 (en) * | 2007-04-27 | 2008-10-30 | Trendon Touch Technology Corp. | Conductor pattern structure of capacitive touch panel |
| JP2010108505A (en) * | 2008-10-31 | 2010-05-13 | Focaltech Systems Ltd | Mutual capacitance touch panel and combined mutual capacitance touch panel |
| US20110025639A1 (en) * | 2009-08-03 | 2011-02-03 | Matthew Trend | Electrode layout for touch screens |
| TW201109771A (en) * | 2009-09-09 | 2011-03-16 | Au Optronics Corp | Touch-sensing display panel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI703474B (en) * | 2014-09-19 | 2020-09-01 | 南韓商東友精細化工有限公司 | Touch sensor panel and method for fabricating the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130025637A (en) | 2013-03-12 |
| KR101319946B1 (en) | 2013-10-29 |
| WO2013032097A1 (en) | 2013-03-07 |
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