CN201773378U - Touch panel and touch display device - Google Patents
Touch panel and touch display device Download PDFInfo
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- CN201773378U CN201773378U CN2010201828219U CN201020182821U CN201773378U CN 201773378 U CN201773378 U CN 201773378U CN 2010201828219 U CN2010201828219 U CN 2010201828219U CN 201020182821 U CN201020182821 U CN 201020182821U CN 201773378 U CN201773378 U CN 201773378U
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Abstract
The utility model discloses a touch panel. The touch panel comprises a substrate, a touch induction figure, a controller and a signal wire group, wherein the touch induction figure is formed on the surface of the substrate and used for inducing touch actions and generating induction signals; the controller is used for receiving and processing the induction signals; the signal wire group is used for transmitting the induction signals to the controller, and includes a plurality of first signal wires and a second signal wire; the touch induction figure includes a plurality of conductive unit groups uniformly distributed in a first direction; first ends of the conductive unit groups are connected to the controller through the corresponding first signal wires; and second ends of the conductive unit groups are connected to the controller through the second signal wire. The touch panel provided by the utility model has the advantages that a public conductive circuit is additionally arranged on the traditional touch panel with unilateral lead wires, so as to avoid serious signal attenuation and improve the sensibility and the reaction speed of the touch panel; and the touch panel is simple in structure and convenient to manufacture.
Description
Technical field
The utility model relates to a kind of input media, specially refers to a kind of touch-control display device that reduces the touch-control input device of impedance, raising sweep frequency and have this contact panel.
Background technology
The application of contact panel in electronic equipment at present more and more widely.They replace or the input equipment of additional common keyboard and mouse is used for controlling electronic equipment and realizes various functions as a kind of.
The touch-control input mode of existing contact panel (Touch Panel) includes resistance-type, condenser type, optical profile type, induction, sound wave induction type etc.Wherein, resistance-type and condenser type are to touch with finger or induction pen counter plate surface by the user, and be subjected to the inner variation that produces voltage and electric current of touch position corresponding panel, accept the position of touching to detect panel surface, and then reach the purpose of touch-control input.
Basically, general capacitance type touch-control panel can etch the conductive coating on the base material different conductive modules, forms the electrode axis of X (X1-X7) direction and Y (Y0-Y4) direction.When the user with finger or during other ground connection conductive body touch panel, X-axis that touches and Y-axis just can produce capacitance variations respectively, controller will be judged the position that finger touches, as shown in Figure 1 according to the position of the X-axis and the Y-axis of this capacitance variations on touch surface.
As shown in Figure 2, be the structural representation of the capacitance type touch-control panel of a traditional monolateral lead-in wire.We can see among the figure, and conducting wire 102 is that the end from the X-axis of electrically conducting transparent module 104 and Y direction electrode extracts, and does analysis so that electric signal is sent to controller 106.
Aspect electrical, the electrically conducting transparent module of the capacitance type touch-control panel of the monolateral lead-in wire of this tradition and the resulting impedance of conducting wire are the parameters that merits attention.The electric signal that excessive resulting impedance can cause wherein transmitting is decayed rapidly, thereby reduces detection efficiency.In this resulting impedance, the impedance meeting of coupling part accounts for bigger proportion between the normally transparent conductive module.For example, when the electrically conducting transparent module adopts argyle design, the place that rhombus joins, width is less, and this part can produce very big impedance.
As shown in Figure 3, be the structural representation of the wall scroll electrode of capacitance type touch-control panel traditional among Fig. 2.Wherein, electrode strip is connected on the controller (figure does not show) from the C end.Electric signal flows to terminal point A end from the C end along conductive module through mid point B.Along the direction of electric signal transmission, the impedance of this electrode strip is increased gradually by C-B-A.During actual the detecting, when adopting the pumping signal scanning of upper frequency, the electric signal that detects will be decayed along with the increase of impedance.Therefore for same touch area, the measurement variation amount of C end can be bigger than the A end.If resistance is too big, holds even might detect less than the induced signal of pointing generation at A.When adopting the pumping signal scanning of lower frequency, corresponding the reducing of decay meeting of electric signal.Therefore, as want the touch variable quantity of A end and C end to be close, then need to reduce the frequency of scanning and excitation signal, can cause the sweep velocity of contact panel will be slack-off like this, the sensitivity of its sensing will reduce.
Therefore, need a kind of new contact panel to solve problem and defective that above-mentioned traditional capacitance type touch-control panel exists.
The utility model content
In order to solve above-mentioned traditional problem that the contact panel impedance is big, signal attenuation is serious and defective, the utility model proposes a kind of contact panel, it can improve the excessive problem of touch-control sensing panel impedance, avoid the serious decay of signal, can improve the sweep velocity and the sensing sensitivity of contact panel, and make simple.
The utility model also proposes a kind of touch-control display device, and it has contact panel of the present utility model.
Concrete technical scheme of the present utility model is, a kind of contact panel, comprise that a substrate, is formed at the controller that touch-control sensing figure, that substrate surface is used for touch sensitive action and produces induced signal is used for receiving and handling described induced signal, and one be used for conducting the signal line-group of described induced signal to described controller, and described signal line-group comprises plural first signal wire and a secondary signal line; Described touch-control sensing figure comprises a plurality of conductive unit groups that evenly are arranged on the first direction, first end of each conductive unit group is connected to described controller by corresponding one first signal wire respectively, and second end of each conductive unit group all is connected to described controller by described secondary signal line.
Touch-control sensing figure described in the utility model also comprises a plurality of conductive unit groups that evenly are arranged on the second direction, and described second direction is vertical mutually with described first direction.
First end of each the conductive unit group on the second direction described in the utility model is connected to described controller by corresponding one first signal wire respectively.
Signal line-group described in the utility model also comprises one the 3rd signal wire, and second end of the conductive unit group on described each second direction all is connected to described controller by described the 3rd signal wire.
Touch-control display device described in the utility model comprises: one is used for sensing touch-control action and produce the contact panel of corresponding touch-control sensing signal; One is used for receiving the processor of handling above-mentioned touch-control sensing signal and producing corresponding demonstration indicator signal; And one be used for receiving described demonstration indicator signal and show the display device of corresponding pattern.
The beneficial effects of the utility model are, contact panel of the present utility model, on the contact panel of traditional monolateral lead-in wire, add a public conducting wire, it can improve above-mentioned traditional problem that the contact panel impedance is big, signal attenuation is serious and defective to a great extent, can improve the sweep velocity and the sensing sensitivity of contact panel, and it makes simple.And contact panel of the present utility model can combine with various types of display device and constitute a kind of touch-control display device of gathering touch controllable function and Presentation Function.
Description of drawings
Fig. 1 is a capacitance type touch-control panel principle of induction synoptic diagram.
Fig. 2 is the structural representation of traditional capacitance type touch-control panel.
Fig. 3 is the wherein structural representation of an electrode strip of contact panel among Fig. 2.
Fig. 4 is the structural representation of first embodiment of contact panel of the present utility model.
Fig. 5 is the structural representation of touch-control sensing figure among Fig. 4.
Fig. 6 is the structural representation of second embodiment of contact panel of the present utility model.
Fig. 7 is the structural representation of the 3rd embodiment of contact panel of the present utility model.
Fig. 8 A-Fig. 8 C is the manufacturing process synoptic diagram of first embodiment of contact panel of the present utility model.
Fig. 9 is the making process flow diagram of first embodiment of contact panel of the present utility model.
Figure 10 is the structural representation that first embodiment of the utility model contact panel makes through another implementation method.
Figure 11 is the making process flow diagram of the 3rd embodiment of contact panel of the present utility model.
Figure 12 is the structural representation that the 3rd embodiment of the utility model contact panel makes through another implementation method.
Figure 13 is the structural representation of the 4th embodiment of contact panel of the present utility model.
Figure 14 is the work synoptic diagram of first embodiment of contact panel of the present utility model
Figure 15 is the work synoptic diagram of second embodiment of contact panel of the present utility model.
Figure 16 is the work synoptic diagram of the 3rd embodiment of contact panel of the present utility model.
Figure 17 is the work synoptic diagram of the 4th embodiment of contact panel of the present utility model.
Figure 18 is a kind of structural representation that adopts the contactor control device of contact panel of the present utility model.
[primary clustering symbol description]
102 conducting wires, 104 electrically conducting transparent modules, 106 controllers
100 contact panels, 2 substrates, 3 touch-control sensing figures
4 first signal line-groups, 41 first signal wires, 42 secondary signal lines
43 the 3rd signal wires, 31 first direction conductive unit groups, 311 first direction conductive units
First end of 312 first direction lead 31a first direction conductive unit groups
Second end, the 32 second direction conductive unit groups 321 of 31b first direction conductive unit group
Second direction conductive unit 322 second direction leads
Second end of the first end 32b second direction conductive unit group of 32a second direction conductive unit group
33 collets, 6 controllers
901-903 step 111-113 step
Second end of the first end 51b electrode strip of 5 electrode strip 51a electrode strips
51 first signal wires, 52 secondary signal lines
60 touch control display apparatus, 61 contact panels, 62 display device
63 tack coats, 64 processors
Embodiment
Describe and other technology contents, characteristics and effect about the utility model, in the detailed description among the embodiment in following cooperation with reference to the accompanying drawings, can clearly present.
See also Fig. 4, be the structural representation of the utility model first embodiment.We can see among the figure, and contact panel 100 of the present utility model comprises a substrate 2, and its surface is formed with one and is used for touch sensitive action and produce the touch-control sensing figure 3 of induced signal; One signal line-group 4 is connected to touch-control sensing figure 3 and is used for conducting the touch-control sensing signal that it produces, and signal is sent to a controller 6 that is used for receiving and handling the touch-control sensing signal.Controller 6 receives after the touch-control sensing signal that transmits from the signal line-group, can carry out analyzing and processing and carry out corresponding subsequent action it.
Touch-control sensing figure 3 comprises a plurality of conductive unit group 31 and a plurality of conductive unit groups 32 that evenly are arranged on the second direction (as y direction) that evenly are arranged on the first direction (as X direction).First direction conductive unit group 31 and second direction conductive unit group 32 mutual homeotropic alignments form a matrix structure.Signal line-group 4 comprises a plurality of first signal lines 41 and a secondary signal line 42.Each the first direction conductive unit group 31 of touch-control sensing figure 3 and the first end 31a and the 32a of each second direction conductive unit group 32 are connected to controller 6 by corresponding one first signal wire 41 respectively, and the second end 31b of each first direction conductive unit group 31 all is connected to controller 6 by a secondary signal line 42.
Compare with the contact panel of traditional monolateral lead-in wire, contact panel 100 of the present utility model increases a common signal line 42 and is connected to controller, can effectively reduce the frequency of charging and discharging, reduces the consumption of electric current, avoid the serious decay of signal, thereby can improve scan efficiency.
In the foregoing description, first direction conduction group 31 and second direction conduction group 32 are arranged on substrate 2 lip-deep same one decks.First direction conductive unit group 31 and second direction conductive unit group 32 also comprise a plurality of conductive unit 311 and a plurality of conductive units of equidistantly arranging along first direction of equidistantly arranging along second direction 321, and connect by first direction lead electricity 312 between each adjacent first direction conductive unit 311 of each first direction conductive unit group 31, connect by second direction lead electricity 322 between each adjacent second direction conductive unit 321 of each second direction conductive unit group 32, as shown in Figure 5.Touch-control sensing figure 3 comprises that also a plurality of being arranged at is used for completely cutting off the collets 33 that are electrically connected between the two between first direction lead 312 and the second direction lead 322.
First direction conductive unit 311 and second direction conductive unit 321 in the foregoing description are polygon-shaped, can be that rhombus, hexagon, octagon, rectangle, square, triangle or other are polygon-shaped. Conductive unit 311 and 312 can be made by transparent conductive material, as tin indium oxide ITO, indium zinc oxide or aluminum zinc oxide etc.Collets 33 can be made as epoxy resin, polyimide or methyl methacrylate etc. by transparent insulation material, also can be made as printing ink by opaque insulating material.
As shown in Figure 6, be the structural representation of second embodiment of the present utility model.We can see among the figure, and second embodiment and first example structure are basic identical, and its difference is that the secondary signal line 42 of second embodiment is all to connect the second end 32b of each second direction conductive unit group 32 to controller 6.Just the common signal line 42 of Zeng Jiaing is the second end 32b that is connected to second direction conductive unit group 32.
As shown in Figure 7, be the structural representation of the 3rd embodiment of the present utility model.We can see among the figure, and the 3rd embodiment compares with first embodiment, and signal line-group 4 (figure is mark not) also comprises one article of the 3rd signal wire 43, and the second end 32b of each second direction conductive unit group 32 all is connected to controller 6 by this 3rd signal wire 43.Among this embodiment, there are two common signal lines, i.e. secondary signal line 42 and the 3rd signal wire 43.Wherein, secondary signal line 42 connects the second end 32b controller 6 of the second end 31b of each first direction conductive unit group 31 to controller 6, the three signal wires 43 each second direction conductive unit 32 of connection.
In these the various embodiments described above, substrate 2 can be made by the material of transparent insulation, as glass.Touch-control sensing figure 3 can be made on substrate 2 by patterning process.Each first direction conductive unit group 31 and second direction conductive unit group 32 can be equidistantly evenly to arrange along a certain direction respectively, also can be that non-equidistance is arranged.First direction conductive unit group 31 and second direction conductive unit group 32 can be mutual homeotropic alignments, also can be non-homeotropic alignments.Each first direction conductive unit group 31 and second direction conductive unit group 32 can as ITO, be made by operations such as degree of spattering, exposure, development and etchings by transparent conductive material, also can be made by printing process by metal material.First signal wire 41, secondary signal line 42 and the 3rd signal wire 43 can be made by transparent conductive material such as ITO, also can be made by metal material, as silver, copper etc.
Be described below in conjunction with the method for making of actual production technology the foregoing description.Shown in Fig. 8 A-8C, be the manufacturing process synoptic diagram of the utility model first embodiment.It specifically makes process flow diagram as shown in Figure 9, and it specifically may further comprise the steps:
The first step, shown in step 901, the first-selected substrate 2 of preparing, after the substrate cleaning, degree of a spattering transparent conductive material on substrate is as ITO; After operations such as overexposure, development, etching, form the pattern shown in Fig. 8 A then.Just at first on substrate, form a plurality of second direction conductive unit groups 32 and a plurality of independently first direction conductive unit 311.In the pattern of this formation, formed electrical connection by second direction lead 322 between each two adjacent second direction conductive unit 321.And be not electrically connected between the adjacent first direction conductive unit 311.
Next, in second step, shown in step 902, degree of a spattering insulating material stays collets 33 through operations such as overexposure, development, etchings then on each second direction lead 322 on the pattern that Fig. 8 A forms, and forms as the structure as shown in Fig. 8 B.
At last, the 3rd step, shown in step 903, degree of a spattering conductive layer again on the structure that Fig. 8 B is finished, and after operations such as overexposure, development, etching, make the first direction lead 312, plurality of first signal lines 41 and the secondary signal line 42 that form shown in Fig. 8 C.Like this, through above-mentioned 3 steps, just can finish the making of the contact panel of utility model.
Above-mentioned manufacturing process also has second implementation method, and its concrete steps are: the first step is made into earlier and forms a plurality of first direction conductive unit groups 31 and a plurality of independently second direction conductive unit 321; In the pattern of this formation, formed electrical connection by first direction lead 312 between each two adjacent first direction conductive unit 311, and be not electrically connected between the adjacent second direction conductive unit 321; In second step, on each first direction lead 312, make the collets 33 that form; Form a plurality of second direction leads 322, plurality of first signal lines 41 and secondary signal line 42 at last, as shown in figure 10.Each operation in this method for making is the same with last implementation method, does not repeat them here.
In above-mentioned two kinds of implementation methods, the conductive layer in the final step can be transparency conducting layer such as ITO, also can be metal conducting layer, as silver, copper etc.Plurality of first signal lines 41 can also be made when making a plurality of first direction conductive units 311 and a plurality of second direction conductive unit groups 32, or makes when making a plurality of first direction conductive unit groups 31 and a plurality of second direction conductive unit 321.Secondary signal line 42 can also be made when making a plurality of first direction conductive units 311 and a plurality of second direction conductive unit groups 32, or makes when making a plurality of first direction conductive unit groups 31 and a plurality of second direction conductive unit 321.
The method for making of the method for making of second embodiment of the present utility model and first embodiment is basic identical, different is, the secondary signal line 42 that final step forms is the second end 32b that all is connected to each second direction conductive unit group 32, rather than the second end 31b of first direction conductive unit group 31.Its method for making, operation and selection are all identical with first embodiment.Equally, the method for making of this embodiment also also has second implementation method, and this implementation method, identical with second implementation method of aforementioned first embodiment with material, operation also repeats no more at this.
The method for making of the 3rd embodiment of the present utility model is similar to first embodiment of the present utility model, and it makes process flow diagram as shown in figure 11.Its concrete making step comprises: the first step, and shown in step 111, the first-selected substrate 2 of preparing, after substrate 2 cleanings, degree of a spattering transparent conductive material on substrate is as ITO; After operations such as overexposure, development, etching, form the pattern shown in Fig. 8 A then.Just at first on substrate 2, form a plurality of second direction conductive unit groups 32 and a plurality of independently first direction conductive unit 311.In the pattern of this formation, formed electrical connection by second direction lead 322 between each two adjacent second direction conductive unit 321.And be not electrically connected between the adjacent first direction conductive unit 311.Next, in second step, shown in step 112, degree of a spattering insulating material stays collets 33 through operations such as overexposure, development, etchings then on each second direction lead 322 on the pattern that Fig. 8 A forms, and forms as the structure as shown in Fig. 8 B.At last, the 3rd step, shown in step 113, degree of a spattering conductive layer again on the structure that Fig. 8 B is finished, and after operations such as overexposure, development, etching, make the first direction lead 312, plurality of first signal lines 41, secondary signal line 42 and the 3rd signal wire 43 that form as shown in Figure 7.Like this, through above-mentioned 3 steps, just can finish the making of the contact panel of utility model the 3rd embodiment.
In above-mentioned manufacturing process, second implementation method is also arranged, just the first step is made into earlier and forms a plurality of first direction conductive unit groups 31 and a plurality of independently second direction conductive unit 321; In the pattern of this formation, formed electrical connection by first direction lead 312 between each two adjacent first direction conductive unit 311.And be not electrically connected between the adjacent second direction conductive unit 321.Second step, and then make to form a plurality of collets 33 that are arranged on the first direction lead 312, form a plurality of second direction leads 322, plurality of first signal lines 41, secondary signal line 42 and the 3rd signal wire 43 at last.The structure that forms as shown in figure 12.Each operation in this method for making is the same with first implementation method of present embodiment, does not repeat them here.
In addition, in above-mentioned two kinds of implementation methods, the conductive layer in the final step can be transparency conducting layer such as ITO, also can be metal conducting layer, as silver, copper etc.Plurality of first signal lines 41 can also be made when making a plurality of first direction conductive units 311 and a plurality of second direction conductive unit groups 32, or makes when making a plurality of first direction conductive unit groups 31 and a plurality of second direction conductive unit 321.Secondary signal line 42 can also be made when making a plurality of first direction conductive units 311 and a plurality of second direction conductive unit groups 32, or makes when making a plurality of first direction conductive unit groups 31 and a plurality of second direction conductive unit 321.The 3rd signal wire 43 can also be made when making a plurality of first direction conductive units 311 and a plurality of second direction conductive unit groups 32, or makes when making a plurality of first direction conductive unit groups 31 and a plurality of second direction conductive unit 321.
First direction conductive unit 311 and second direction conductive unit 321 in all implementation methods of above-mentioned all embodiment are polygon-shaped, can be that rhombus, hexagon, octagon, rectangle, square, triangle or other are polygon- shaped.Conductive unit 311 and 312 can be made by transparent conductive material, as ITO.Collets 33 can be made by transparent insulation material, also can be made by opaque insulating material.First direction lead 312 or second direction lead 322, first signal wire 41, secondary signal line 42 and the 3rd signal wire 43 can be made by transparent conductive material, as ITO, also can be made by metal material, as silver, copper etc.
The 4th embodiment of contact panel of the present utility model as shown in figure 13, we can clearly see among the figure, conductive unit group among this embodiment is plural electrode strip 5, the first end 51a that plurality of first signal lines 51 connects each corresponding electrode bar 5 is to controller 6, and the second end 51b of each strip electrode bar 5 all is connected to controller 6 by secondary signal line 52.Among this embodiment, electrode strip 5 can have transparent conductive material to make, as ITO.
The method for making of this embodiment is fairly simple, can be by degree of spattering transparent conductive material on substrate 2, and once finish by operations such as exposure, development, etchings.If adopt this method for making, then plurality of first signal lines 51 and secondary signal line 52 are made by transparent conductive material.The method for making of this embodiment can be divided into for 3 steps: the first step, make electrode strip 5; Second step was made first signal wire 51 again; In the 3rd step, make secondary signal line 52.Wherein the first step and second one can finish simultaneously, and perhaps the first step and the 3rd step can finish or second step and the 3rd goes on foot and can finish simultaneously simultaneously.In this method for making, electrode strip 5 can be made by transparent conductive material, and first signal wire 51 and secondary signal line 52 can be made by transparent conductive material or metal material.
Please refer again to Fig. 2, will sketch the scan method of traditional contact panel.The scan method of traditional contact panel is the capacitance variations that controller 106 scans each bar axle (X0-X6 and Y0-Y4) on X-direction and the Y direction one by one, when a certain axle of control circuit detecting, this is axially carried out charging and discharging, and other switches to all axially and ground joins.After each bar of scanning so one by one is axial, can begin new round scanning again.Scan mode causes current loss easily like this, and signal attenuation is also relatively big.
Below in conjunction with first embodiment of the present utility model, the scan method of contact panel of the present utility model is sketched.As shown in figure 14, contact panel 100 matrixes turn to the conductive unit group 31 and 32 (X0-X6 and Y0-Y4) of a plurality of X-axis and Y direction.Secondary signal line 42 (common signal line) provides signal with pumping signal same frequency, same potential and same phase by a constant signal source (figure do not show) in controller 6 always, and first signal wire 41 scans the axial capacitance variations of each bar one by one.When 0 of controller 6 detecting Y, X (X0-X6) axial electrode is all switched and ground joins, and Y1 joins with common signal circuit 42 to the left end switching of Y4 axial electrode, receive the signal that same signal source provides, and Y0 axial electrode left end is access to controller 6, its electric capacity is charged and discharge by controller 6, detect this capacitance variations.Adopt in such a way and can scan Y0-Y4 successively.Because the process of charging and discharge all is to adopt binary channels, promptly can charge by the signal wire that is connected and discharge in the two ends of every axial electrode, so can improve the frequency of charging and discharging.
Below in conjunction with second embodiment of the present utility model, the scan method of contact panel of the present utility model is sketched.As shown in figure 15, contact panel 100 matrixes turn to the conductive unit group 31 and 32 (X0-X6 and Y0-Y4) of a plurality of X-axis and Y direction.Secondary signal line 42 (common signal line) provides signal with pumping signal same frequency, same potential and same phase by a constant signal source (figure do not show) in controller 6 always, and first signal wire 41 scans the axial capacitance variations of each bar one by one.When controller 6 detecting X0 axles, Y (Y0-Y4) axial electrode is all switched and ground joins, and X1 switches to the lower end of X6 axial electrode and common signal circuit 42 joins, receive the signal that same signal source provides, and X0 axial electrode lower end is access to controller 6, its electric capacity is charged and discharge by controller 6, detect this capacitance variations.Adopt in such a way and can scan X0-X6 successively.Because the process of charging and discharge all is to adopt binary channels, promptly can charge by the signal wire that is connected and discharge in the two ends of every axial electrode, so can improve the frequency of charging and discharging.
Below in conjunction with the 3rd embodiment of the present utility model, the scan method of contact panel of the present utility model is sketched.As shown in figure 16, contact panel 100 matrixes turn to the conductive unit group 31 and 32 (X0-X6 and Y0-Y4) of a plurality of X-axis and Y direction.Secondary signal line 42 and Di Di three signal wires 43 (common signal line) provide signal with pumping signal same frequency, same potential and same phase by a constant signal source (figure do not show) in controller 6 always, and first signal wire 41 scans the axial capacitance variations of each bar one by one.When controller 6 detecting Y0 axles, X (X0-X6) axial electrode is all switched and ground joins, and Y1 joins with common signal circuit 42 to the left end switching of Y4 axial electrode, receive the signal that same signal source provides, and Y0 axial electrode left end is access to controller 6, its electric capacity is charged and discharge by controller 6, detect this capacitance variations.When controller 6 detecting X0 axles, Y (Y0-Y4) axial electrode is all switched and ground joins, and X1 switches to the lower end of X6 axial electrode and common signal circuit 42 joins, receive the signal that same signal source provides, and X0 axial electrode lower end is access to controller 6, its electric capacity is charged and discharge by controller 6, detect this capacitance variations.Adopt aforesaid way to scan X0-X6 and Y0-Y4 successively.Because the process of charging and discharge all is to adopt binary channels, promptly can charge by the signal wire that is connected and discharge in the two ends of every axial electrode, so can improve the frequency of charging and discharging.
Below in conjunction with the 4th embodiment of the present utility model, the scan method of contact panel of the present utility model is sketched.As shown in figure 14, contact panel 100 comprises the electrode strip 5 that a plurality of are arranged along Y (Y0-Y5) direction of principal axis.Secondary signal line 52 (common signal line) provides signal with pumping signal same frequency, same potential and same phase by a constant signal source (figure do not show) in controller 6 always.First signal wire 51 scans the axial capacitance variations of each bar one by one.When controller 6 detecting Y0 axles, Y1 joins with common signal circuit 52 to the left end switching of Y5 axial electrode, receive the signal that same signal source provides, and Y0 axial electrode left end is access to controller 6, its electric capacity is charged and discharge by controller 6, detect this capacitance variations.Adopt in such a way and can scan Y0-Y5 successively.Because the process of charging and discharge all is to adopt binary channels, promptly can charge by the signal wire that is connected and discharge in the two ends of every axial electrode, so can improve the frequency of charging and discharging.
Also has a kind of scan method, it is exactly secondary signal line 42 and/or the 3rd signal wire 43 (common signal line) are provided certain frequency equally by a signal source signal, non-scanning conduction axial electrode is all joined with ground, the conduction axial electrode that is scanned then is access to controller 6, the electric capacity that is scanned axle by 6 pairs of controllers charges and discharges, detect the capacitance variations of this axial electrode, scan the capacitance variations of each bar axial electrode so one by one.
The scan method that contact panel of the present utility model adopted is because charging and discharging is carried out on both sides simultaneously, and the two ends of electrode are equipotential substantially, the consumption that the reduction electric current is arranged that can imitate.
In sum, the structure of contact panel of the present utility model, the advantage of the above-mentioned scan mode of arranging in pairs or groups be can effectively reduce the time of charging and discharging, reduce electric current consumption, avoid signal serious decay, can improve sweep velocity, and the making of contact panel of the present utility model is simple, convenient.
Contact panel of the present utility model can combine with display device and constitute a touch-control display device.Seeing also Figure 18, is one to comprise the structural representation of the touch control display apparatus of contact panel of the present utility model.Touch-control display device 60 comprises that a contact panel 61, one display device 62, are arranged at the tack coat 63 between contact panel 61 and the display device 62, and a processor 64 that all is connected with contact panel 61 and display device 62.Tack coat 63 is used for bonding contact panel 61 and display device 62, contact panel 61 is used for responding to a touch action and produces a touch-control sensing signal and corresponding touch-control sensing signal is sent to processor 64, after processor 64 receives the touch-control sensing signal of contact panel 61 transmission, handle, produce corresponding demonstration indicator signal and also transmit the corresponding indicator signal that shows, thereby display device 62 shows the pairing image information of corresponding touch action after receiving the demonstration indicator signal on display device 62 to display device 62.Contact panel of the present utility model can combine with various display device, as LCD, and constitutes corresponding touch-control display device.That is to say that contact panel of the present utility model can be applied in the various touch control display apparatus, realize touch controllable function.
The above, it only is the utility model preferred embodiment, so can not limit scope of the present utility model with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (16)
1. contact panel, comprise, one substrate, one is formed at the controller that touch-control sensing figure, that substrate surface is used for touch sensitive action and produces induced signal is used for receiving and handling described induced signal, and one be used for conducting the signal line-group of described induced signal to described controller, it is characterized in that:
Described signal line-group comprises plural first signal wire and a secondary signal line;
Described touch-control sensing figure comprises a plurality of first direction conductive unit groups that evenly are arranged on the first direction, first end of each first direction conductive unit group is connected to described controller by corresponding one first signal wire respectively, and second end of each first direction conductive unit group all is connected to described controller by described secondary signal line.
2. a kind of contact panel as claimed in claim 1 is characterized in that, described touch-control sensing figure also comprises a plurality of second direction conductive unit groups that evenly are arranged on the second direction, and described second direction is vertical mutually with described first direction.
3. a kind of contact panel as claimed in claim 2 is characterized in that, first end of each the conductive unit group on the described second direction is connected to described controller by corresponding one first signal wire respectively.
4. as a kind of contact panel as described in the claim 3, it is characterized in that described signal line-group also comprises one the 3rd signal wire, second end of the second direction conductive unit group on described each second direction all is connected to described controller by described the 3rd signal wire.
5. as claim 3 or 4 described a kind of contact panels, it is characterized in that, described first direction conductive unit group and described second direction conductive unit group comprise a plurality of conductive unit and a plurality of conductive units of equidistantly arranging along first direction of equidistantly arranging along second direction, and be electrically connected by a first direction lead between each adjacent first direction conductive unit of each first direction conductive unit group, be electrically connected by a second direction lead between each adjacent second direction conductive unit of each second direction conductive unit group.
6. a kind of contact panel as claimed in claim 5, it is characterized in that, described first direction conductive unit group and described second direction conductive unit group are arranged on same one deck, and described touch-control sensing figure comprises that also a plurality of being arranged at is used for completely cutting off the collets that are electrically connected between described first direction lead and the described second direction lead between described first direction lead and the described second direction lead.
7. a kind of contact panel as claimed in claim 5 is characterized in that, described conductive unit is polygon-shaped geometric graph shape.
8. a kind of contact panel as claimed in claim 7 is characterized in that, described conductive unit assumes diamond in shape, hexagon, octagon, rectangle, square or triangle.
9. a kind of contact panel as claimed in claim 1 is characterized in that, described first direction conductive unit group, second direction conductive unit group, first signal wire and secondary signal line are made by transparent conductive material.
10. a kind of contact panel as claimed in claim 1 is characterized in that, described first signal wire and secondary signal line are made by metal material.
11. a kind of contact panel as claimed in claim 4 is characterized in that, described the 3rd signal wire is made by transparent conductive material or metal material.
12. a kind of contact panel as claimed in claim 5 is characterized in that, described first direction lead and second direction lead are made by transparent conductive material or metal material.
13. a kind of contact panel as claimed in claim 6 is characterized in that described collets are made by transparent insulation material.
14. the touch-control display device with contact panel as claimed in claim 1 is characterized in that it comprises: one is used for sensing touch-control action and produce the contact panel of corresponding touch-control sensing signal; One is used for receiving the processor of handling above-mentioned touch-control sensing signal and producing corresponding demonstration indicator signal; And one be used for receiving described demonstration indicator signal and show the display device of corresponding pattern.
15. a kind of touch-control display device as claimed in claim 14 is characterized in that, further comprise one be arranged between described contact panel and the described display device tack coat.
16. a kind of touch-control display device as claimed in claim 14 is characterized in that described display device is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201828219U CN201773378U (en) | 2010-05-04 | 2010-05-04 | Touch panel and touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201828219U CN201773378U (en) | 2010-05-04 | 2010-05-04 | Touch panel and touch display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201773378U true CN201773378U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201828219U Expired - Lifetime CN201773378U (en) | 2010-05-04 | 2010-05-04 | Touch panel and touch display device |
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| Country | Link |
|---|---|
| CN (1) | CN201773378U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102236483A (en) * | 2010-05-04 | 2011-11-09 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacturing method as well as scanning method thereof |
| CN103019423A (en) * | 2011-09-21 | 2013-04-03 | 宸鸿科技(厦门)有限公司 | Touch panel structure and manufacturing method thereof |
| CN103713774A (en) * | 2014-01-18 | 2014-04-09 | 苏州触动电子科技有限公司 | Wire asymmetric layout technology of wire touch film |
| TWI450144B (en) * | 2011-04-29 | 2014-08-21 | Wintek Corp | Touch display panel |
| CN104395869A (en) * | 2012-04-19 | 2015-03-04 | 电子触控产品解决方案 | Projected capacitive touch sensor with asymmetric bridge pattern |
| CN104752387A (en) * | 2013-12-31 | 2015-07-01 | 禾瑞亚科技股份有限公司 | Circuit configuration of touch integrated circuit |
| CN105900050A (en) * | 2014-01-10 | 2016-08-24 | 波利Ic有限及两合公司 | Capacitive sensor element and method for the production thereof |
| US9582125B2 (en) | 2012-04-19 | 2017-02-28 | Elo Touch Solutions, Inc. | Projected capacitive touch sensor with asymmetric bridge pattern field |
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| CN102236483A (en) * | 2010-05-04 | 2011-11-09 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacturing method as well as scanning method thereof |
| CN102236483B (en) * | 2010-05-04 | 2016-03-30 | 宸鸿科技(厦门)有限公司 | A kind of contact panel, manufacture method and scan method thereof |
| TWI450144B (en) * | 2011-04-29 | 2014-08-21 | Wintek Corp | Touch display panel |
| CN103019423A (en) * | 2011-09-21 | 2013-04-03 | 宸鸿科技(厦门)有限公司 | Touch panel structure and manufacturing method thereof |
| CN104395869A (en) * | 2012-04-19 | 2015-03-04 | 电子触控产品解决方案 | Projected capacitive touch sensor with asymmetric bridge pattern |
| US9582125B2 (en) | 2012-04-19 | 2017-02-28 | Elo Touch Solutions, Inc. | Projected capacitive touch sensor with asymmetric bridge pattern field |
| CN104395869B (en) * | 2012-04-19 | 2018-05-04 | 电子触控产品解决方案 | Projected capacitive touch sensor with asymmetric bridge map interlinking case |
| US10082914B2 (en) | 2012-04-19 | 2018-09-25 | Elo Touch Solutions, Inc. | Method of manufacturing a touch sensitive device |
| US10126898B2 (en) | 2012-04-19 | 2018-11-13 | Elo Touch Solutions, Inc. | Projected capacitive touch sensor with asymmetric bridge pattern |
| CN104752387A (en) * | 2013-12-31 | 2015-07-01 | 禾瑞亚科技股份有限公司 | Circuit configuration of touch integrated circuit |
| CN104752387B (en) * | 2013-12-31 | 2018-04-20 | 禾瑞亚科技股份有限公司 | Circuit configuration of touch integrated circuit |
| CN105900050A (en) * | 2014-01-10 | 2016-08-24 | 波利Ic有限及两合公司 | Capacitive sensor element and method for the production thereof |
| US10642424B2 (en) | 2014-01-10 | 2020-05-05 | Polyic Gmbh & Co. Kg | Capacitive sensor element and method for the production thereof |
| CN103713774A (en) * | 2014-01-18 | 2014-04-09 | 苏州触动电子科技有限公司 | Wire asymmetric layout technology of wire touch film |
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