CN202771407U - Capacitive touch screen and single layer wiring electrode array - Google Patents
Capacitive touch screen and single layer wiring electrode array Download PDFInfo
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- CN202771407U CN202771407U CN 201220356062 CN201220356062U CN202771407U CN 202771407 U CN202771407 U CN 202771407U CN 201220356062 CN201220356062 CN 201220356062 CN 201220356062 U CN201220356062 U CN 201220356062U CN 202771407 U CN202771407 U CN 202771407U
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Abstract
The utility model relates to a capacitive touch screen and a single layer wiring electrode array. The single layer wiring electrode array comprises a capacitive area and a wiring area which are positioned on the same plane, and guide lines of the wiring area are sawtooth-shaped or wave-shaped. The utility model further relates to the capacitive touch screen comprising the single layer wiring electrode array. The capacitive touch screen comprises a substrate and the single layer wiring electrode array arranged on the substrate, the single layer wiring electrode array comprises a capacitive area and a wiring area which are arranged on the same plane, guide lines of the wiring area are sawtooth-shaped or wave-shaped, and the guide lines in the wiring area are connected with at least one or a plurality of control ports corresponding to integrated circuit chips. The capacitive touch screen and the single layer wiring electrode array has the advantages of being low in preparation cost and good in display effect.
Description
Technical field
The utility model belongs to electronic technology field, is specifically related to a kind of single layer cloth line electrode array.The utility model also relates to the capacitive touch screen that is made of single layer cloth line electrode array.
Background technology
The multipoint mode touching technique just from smart mobile phone to whole consumer electronics industry radiation, comprises the low and middle-end mobile phone, game machine, media player, navigating instrument, electronic reader, panel computer etc.
Capacitive touch screen is to utilize the electric current induction of human body to carry out work.Capacitive touch screen is four layers of compound glass screen normally; the inside surface of glass screen and interlayer respectively scribble layer of transparent conducting film (ITO); outermost layer is skim silicon soil glassivation, forms grid (sensing capacitance) thereby internal layer and outer ITO are etched into strip along orthogonal two axles respectively.When finger touch is on metal level, the touch-screen surface mesh that arrives at finger contact forms a coupling capacitance, and for high-frequency current, electric capacity is direct conductor, because there is a ground capacitance in human body to the earth, so finger siphons away a very little electric current from contact point.The position that just can draw the touch point has occured to change by the electric current that detects which grid.
The core component of projection-type capacitive touch screen is the glass that the ITO film has been plated on inside and outside two sides.The ITO film of projection-type capacitive touch screen is not to cover whole screen, but interior adventitia becomes respectively bar shaped or the argyle design of horizontal and vertical.The lozenge diagram of interior adventitia staggers mutually.
Fig. 1 is disclosed single-layer electrodes figure and conductive circuit pattern among the prior art Chinese invention patent application prospectus CN102033672A.It comprises substrate 9, electrode 10 and conducting wire 11, and electrode 10 combines for a plurality of pectinations, and two pectinations are intersected mutually, form electrode.Conducting wire 11 horizontal or vertical wirings are connected with electrode respectively.For the conducting wire of this shape, after substrate and LCD panel were bonded to each other, the striped of obvious colored shape can appear, transmittance, the linearity and the display effect of light had obvious impact, can not obtain stable performance.
Adopt the preparation technology of two-layer ITO film obviously to increase the complicacy in the preparation process and increased process costs, and so that percent of pass decline.
Therefore at present popular is to adopt individual layer ITO film, but need to put up a bridge between electrode in preparation process, and the bridging mode can because insulation course thickness and ITO or metal film thickness difference are larger, easily produce breakage problem.After capacitive touch screen sticked LCD, because in the electrod-array behind employing level and/or the vertical electrode cable, meeting be so that demonstrate motley image above the LCD, similar rainbow phenomena, and this effect to human eye and image demonstration all can impact.
The utility model content
Problem to be solved in the utility model provides a kind of single layer cloth line electrode array and capacitive touch screen, and it is simple that this single layer cloth line electrode array and capacitive touch screen have preparation technology, and cost is low, and touch-sensitive properties is high, and display effect is good.
For addressing the above problem, the technical scheme that the utility model utilizes provides a kind of single layer cloth line electrode array, comprises being positioned at capacitive region and a wiring region on the plane, wire indention or the waveform of described wiring region.
Preferably, arrange capacitive region and wiring region space.
Preferably, capacitive region comprises a plurality of tactic cell capacitance, wherein each cell capacitance comprise at least one induction electrode of being positioned on the plane and with opposed at least one drive electrode of described induction electrode.
Preferably, the centre of induction electrode has the hole of hollow out.
Preferably, the centre of drive electrode has the hole of hollow out.
Preferably, wiring region comprises the driving wire and the sensor wire that is connected in series described induction electrode of the described drive electrode that is connected in parallel.
Preferably, edge indention or the waveform of induction electrode, edge indention or the waveform of described drive electrode, the edge of described induction electrode and described drive electrode is parallel to each other.Form electric capacity between the battery lead plate that is parallel to each other.
Preferably, in the waveform or zigzag groove that the described a plurality of drive electrodes of a plurality of induction electrodes embedding separately form, in the waveform or zigzag groove that the described a plurality of induction electrodes of described a plurality of drive electrodes embedding separately form.
Preferably, a plurality of induction electrodes of a plurality of cell capacitance are arranged in parallel, and are serially connected in the induction electrode row by the sensor wire that is positioned at induction electrode one side, and described a plurality of induction electrode row are arranged in parallel and consist of the induced electricity pole-face; A plurality of drive electrodes of described a plurality of cell capacitance are arranged in parallel, and are connected in parallel into the drive electrode row by a plurality of driving wires that are positioned at drive electrode one side, and described a plurality of drive electrode row are arranged in parallel and consist of the drive electrode face.
Preferably, the angle of the angle of the rectilinear direction at the jagged edge place of sensor wire or the tangential direction at wavy edge place is 10 °-170 °, preferred, the angle of the angle of the rectilinear direction at the jagged edge place of sensor wire or the tangential direction at wavy edge place is 100 °-140 °.
Preferably, the angle of the angle of the rectilinear direction at the jagged edge place of driving wire or the tangential direction at wavy edge place is 10 °-170 °, preferred, the angle of the angle of the rectilinear direction at the jagged edge place of driving wire or the tangential direction at wavy edge place is 100 °-140 °.
Preferably, the angle between the angle of the serrate groove that induction electrode forms or the tangential direction of wave shape groove is 10 °-170 °, and the angle between the angle of the serrate groove that drive electrode forms or the tangential direction of wave shape groove is 10 °-170 °; Preferred, angle between the angle of the serrate groove that induction electrode forms or the tangential direction of wave shape groove is 40 °-140 °, and the angle between the angle of the serrate groove that drive electrode forms or the tangential direction of wave shape groove is 40 °-140 °.
Preferably, the live width of sensor wire is 0.001-10mm, and the width of induction electrode is 0.005-10mm.
Preferably, the live width that drives wire is 0.001-10mm, and the width of drive electrode is 0.005-10mm.
Preferably, the spacing between a plurality of driving wires is 0.001-5mm.
Preferably, the waveform of the waveform of induction electrode or zigzag edge and adjacent drive electrode or the distance between the zigzag edge are 0.001-5mm.
Preferably, the length of cell capacitance is 1-15mm, and the width of described cell capacitance is 1-15mm.
Preferably, wiring region also comprises the separating conductive wires between described sensor wire and described driving wire.Separating conductive wires undulate or serrate, the edge of separating conductive wires and described sensor wire and described driving wire is parallel to each other.
Preferably, the angle between the tangential direction of the angle of the serrate groove of separating conductive wires formation or wave shape groove is 10 °-170 °.Preferred, the angle between the angle of the serrate groove that separating conductive wires forms or the tangential direction of wave shape groove is 40 °-140 °.
Preferably, the live width of separating conductive wires is 0.005-10mm.
Preferably, the waveform of the edge of separating conductive wires and described driving wire or sensor wire or the distance between the zigzag edge are 0.001-10mm.
Preferably, induction electrode and drive electrode are conductive film.Preferred, induction electrode and drive electrode are the ITO(tin indium oxide).
The technical scheme that the utility model utilizes also provides a kind of capacitive touch screen that comprises single layer cloth line electrode array, comprises substrate; Be arranged on the single layer cloth line electrode array on the described substrate, described single layer cloth line electrode array comprises and is positioned at capacitive region and a wiring region on the plane, wire indention or the waveform of described wiring region; The wire of described wiring region connects respectively control port corresponding to one or more at least integrated circuit (IC) chip.
Preferably, capacitive touch screen also comprises the ground wire that the control port corresponding with described integrated circuit (IC) chip is connected.Preferred, ground wire undulate or serrate.
Substrate is glass, tempered glass, organic glass or PET.
Preferably, with the connecting line of integrated circuit (IC) chip control port at one end, preferred, be distributed in two ends with the connecting line of integrated circuit (IC) chip, the upper part that drives wire connects on control port corresponding to opposed integrated circuit (IC) chip, and the lower part of described driving wire is connected on control port corresponding to integrated circuit (IC) chip by flexible PCB or the ITO or the metal routing that are positioned at the touch-screen edge.Can reduce like this driving wire occupied space in electrod-array, thereby reduce the area of noncapacitive induction region in the electrod-array, so that the integrated level of induction sensitivity and cell capacitance all is greatly improved.
Preferably, integrated circuit (IC) chip is one, preferred, integrated circuit (IC) chip is two, the upper part that drives wire connects on control port corresponding to opposed integrated circuit (IC) chip, and the lower part of described driving wire connects on control port corresponding to another opposed integrated circuit (IC) chip.Can reduce like this driving wire occupied space in electrod-array, thereby reduce the area of noncapacitive induction region in the electrod-array, so that the integrated level of induction sensitivity and cell capacitance all is greatly improved.
In the utility model preferred embodiment, cell capacitance is roughly rectangle or square, can be consisted of by induction electrode of indention or wavy edge and drive electrode stacked on top that is parallel to each other, can also be to be consisted of by two induction electrodes of indention or wavy edge and two drive electrodes stacked on top that is parallel to each other, and arrange induction electrode and drive electrode space.
The utility model has the advantage of, after touch-screen sticks LCD, owing to wire indention or the waveform of wiring region, can eliminate the striped of the rainbow above the touch-screen, be conducive to increase the display effect of touch-screen.
The edge of drive electrode and induction electrode is waveform or serrate, when finger moves on to another adjacent cell capacitance from a cell capacitance, the capacitance change of the cell capacitance that finger shifts out reduces gradually, the capacitance change of the cell capacitance that moves into increases gradually, reduction and recruitment linear approximate relationship, thus can realize well touching effect.The preparation technology of single layer cloth line electrode array is simple, and cost is low, and touch-sensitive properties is high.
The hole that the centre of induction electrode and drive electrode has a hollow out can reduce the stray capacitance of electrode, improves the sensitivity that touches.
The preparation of single layer cloth line electrode array need to not put up a bridge between electrode, saves technological process.
Integrated circuit (IC) chip in the touch-screen can from noise, detect capacitance charge subtle change, various ghost effects are compensated to reduce to disturb, calculate accurate touch center and gesture identification.
Capacitance matrix in the touch-screen can be realized the preparation of the capacitive touch screen of the various sizes types such as small size, middle size and large scale, thereby satisfies the various demands in producing.
Description of drawings
Fig. 1 is the schematic diagram of single layer cloth line electrode array in the prior art.
Fig. 2 is the schematic diagram of the single layer cloth line electrode array among the embodiment of the present utility model.
Fig. 3 is the structural drawing of the single layer cloth line electrode array among the embodiment of the present utility model.
Fig. 4 is the structural drawing of the first distressed structure of the single layer cloth line electrode array among the embodiment of the present utility model.
Fig. 5 is the structural drawing of the second distressed structure of the single layer cloth line electrode array among the embodiment of the present utility model.
Fig. 6 is the structural drawing of the third distressed structure of the single layer cloth line electrode array among the embodiment of the present utility model.
Fig. 7 is the schematic diagram of capacitive touch screen among the embodiment of the present utility model.
Fig. 8 is the schematic diagram of the distressed structure of capacitive touch screen among the embodiment of the present utility model.
Embodiment
Below cooperate accompanying drawing and embodiment of the present utility model, further set forth the technical scheme that the utility model is taked for the attainment of one's purpose.
The utility model provides a kind of single layer cloth line electrode array, comprises being positioned at capacitive region and a wiring region on the plane, wire indention or the waveform of described wiring region.
In an embodiment of the present utility model, arrange capacitive region and described wiring region space.Capacitive region comprises a plurality of tactic cell capacitance, wherein each cell capacitance comprise at least one induction electrode of being positioned on the plane and with opposed at least one drive electrode of described induction electrode.
In a preferred embodiment of the present utility model, the centre of induction electrode and drive electrode has the hole of hollow out, can reduce stray capacitance.
In another preferred embodiment of the present utility model, wiring region comprises the driving wire of the described drive electrode that is connected in parallel and is connected in series the sensor wire of described induction electrode.
Wherein, edge indention or the waveform of induction electrode, edge indention or the waveform of drive electrode, the edge of induction electrode and drive electrode is parallel to each other.In the waveform or zigzag groove that a plurality of drive electrodes of a plurality of induction electrodes embedding separately form, in the waveform or zigzag groove that a plurality of induction electrodes of a plurality of drive electrodes embedding separately form.
In addition, a plurality of induction electrodes of a plurality of cell capacitance are arranged in parallel, and are serially connected in the induction electrode row by the sensor wire that is positioned at induction electrode one side, and described a plurality of induction electrode row are arranged in parallel and consist of the induced electricity pole-face; A plurality of drive electrodes of described a plurality of cell capacitance are arranged in parallel, and are connected in parallel into the drive electrode row by a plurality of driving wires that are positioned at drive electrode one side, and described a plurality of drive electrode row are arranged in parallel and consist of the drive electrode face.
In preferred embodiment of the present utility model, the angle of the angle of the rectilinear direction at the jagged edge place of sensor wire or the tangential direction at wavy edge place is 10 °-170 °.The angle of the angle of the rectilinear direction at the jagged edge place of preferred sensor wire or the tangential direction at wavy edge place is 100 °-140 °.
In embodiment of the present utility model, the angle that drives the tangential direction at the angle of rectilinear direction at jagged edge place of wire or wavy edge place is 10 °-170 °, and the angle that preferably drives the tangential direction at the angle of rectilinear direction at jagged edge place of wire or wavy edge place is 100 °-140 °.Angle between the angle of the serrate groove that induction electrode forms or the tangential direction of wave shape groove is 10 °-170 °, and the angle between the angle of the serrate groove that drive electrode forms or the tangential direction of wave shape groove is 10 °-170 °.Angle between the angle of the serrate groove that preferred induction electrode forms or the tangential direction of wave shape groove is 40 °-140 °, and the angle between the angle of the serrate groove that preferred drive electrode forms or the tangential direction of wave shape groove is 40 °-140 °.
In the exemplary embodiment, the live width of sensor wire is 0.001-10mm, the width of induction electrode is 0.005-10mm, the live width that drives wire is 0.001-10mm, the width of drive electrode is 0.005-10mm, spacing between a plurality of driving wires is 0.001-5mm, the waveform of the waveform of induction electrode or zigzag edge and adjacent drive electrode or the distance between the zigzag edge are 0.001-5mm, the length of cell capacitance is 1-15mm, and the width of described cell capacitance is 1-15mm.
In a preferred embodiment, wiring region also comprises the separating conductive wires between described sensor wire and described driving wire, wherein separating conductive wires undulate or serrate, the edge of described separating conductive wires and described sensor wire and described driving wire is parallel to each other, the live width of separating conductive wires is 0.005-10mm, and the waveform of the edge of separating conductive wires and described driving wire or described sensor wire or the distance between the zigzag edge are 0.001-10mm.
In other embodiment, angle between the angle of the serrate groove that described separating conductive wires forms or the tangential direction of wave shape groove is 10 °-170 °, and the angle between the angle of the serrate groove that preferred separating conductive wires forms or the tangential direction of wave shape groove is 40 °-140 °.
In the above-described embodiments, induction electrode and drive electrode are ITO, and it can be transparent conductive metallic film, can also be conductive metal films.
The utility model also provides a kind of capacitive touch screen that comprises the single layer cloth line electrode array in above-described embodiment, comprises substrate; Be arranged on the single layer cloth line electrode array on the described substrate, described single layer cloth line electrode array comprises and is positioned at capacitive region and a wiring region on the plane, wire indention or the waveform of described wiring region; The wire of described wiring region connects respectively control port corresponding to one or more at least integrated circuit (IC) chip.
In an embodiment of the present utility model, capacitive touch screen also comprises the ground wire that the control port corresponding with described integrated circuit (IC) chip is connected.Substrate is a kind of among glass, tempered glass, organic glass or the PET.In another preferred embodiment of the present invention, described ground wire undulate or serrate.
In another preferred embodiment of the present utility model, the upper part that drives wire connects on control port corresponding to opposed integrated circuit (IC) chip, and the lower part of described driving wire connects on control port corresponding to another opposed integrated circuit (IC) chip.
In the description of background technology in front, the harness wiring mode that can know the existing capacitive touch screen described in the background technology has the color fringe phenomenon and occurs after sticking LCD.
The electrode pattern of capacitive touch screen of the present utility model can be the array configuration of wherein one or more in rectangle, square, parallelogram, rhombus, trapezoidal, hexagon, octagon, circle, ellipse, the triangle, the improvement that prior art is made of the present utility model is the change of the wire shape of wiring region, wire indention or the waveform of preferred wiring region.Indention or corrugated wire can be eliminated the color fringe phenomenon in the display screen in the wiring region.Those skilled in the art as can be known, the improvement identical with the wire shape of the utility model wiring region, similar and that make of the wire shape of wiring region all will fall within the protection domain of the present utility model in any capacitive touch screen.
Embodiment of the present utility model can not realize the improvement that high transmission rate and display effect are made for touch-screen in the prior art.The below does in more detail explanation to specific embodiment of the utility model respectively by reference to the accompanying drawings.
Fig. 2 is the schematic diagram of single layer cloth line electrode array among the embodiment of the present utility model.As shown in Figure 2, electrod-array comprises capacitive region 52 and wiring region 57, arrange capacitive region 52 and wiring region 57 spaces, wire indention in the wiring region 57, and be parallel to each other between the wire, in other embodiment, the wire of wiring region can be waveform also, also can be uneven between the wire.The present embodiment has just schematically been expressed position relationship and the shape of capacitive region 52 and wiring region 57, the actual annexation of the wire of the electrode in the capacitive region 52 and wiring region 57 is not made an explanation and describes, thus in the quantity of the wire of the wiring region among Fig. 2 57, capacitive region 52 in the wire of the quantity of electrode and wiring region 57 and the capacitive region 52 between the electrode annexation do not become the claim scope of the present utility model that limits.In Fig. 2, the angle 6 of the rectilinear direction at the jagged edge place of the wire in the wiring region 57 is 130 °, in other embodiment, the angle of the rectilinear direction at the jagged edge place of the wire in the wiring region can be 10 °-170 °, and the angle of the rectilinear direction at the jagged edge place of the wire in the wiring region can also be 100 °-140 °.Wire in the wiring region 57 is homeotropic alignment, and it can be horizontally, can also be oblique arrangement.The live width of the wire in the wiring region 57 and the spacing between the adjacent wires can be fixed values, in other embodiment, live width and the spacing between the adjacent wires of the wire in the wiring region 57 also can change, the increase that for example wire live width from left to right can be gradually also can be the increase gradually of wire live width from top to bottom.Spacing between the wire can be from top to bottom gradually increase, also can be from left to right gradually the increase of spacing between the wire.
Fig. 3 is the structural drawing of the single layer cloth line electrode array among the embodiment of the present utility model.As shown in Figure 3, among the zigzag groove 2C that induction electrode 1 in the same plane and drive electrode 2, induction electrode 1 embedding drive electrode 2 separately forms, among the zigzag groove 2C that drive electrode 2 embedding induction electrode 1 separately forms.Induction electrode 1 and drive electrode 2 Component units capacitor C are that cell capacitance C consists of capacitive region by two induction electrodes 1 and two cell capacitance structure C that drive electrode 2 consists of in Fig. 3.It will be appreciated by those skilled in the art that, in other embodiment, can be by two induction electrodes 1 and the cell capacitance C that drive electrode 2 consists of, can be by an induction electrode 1 and two cell capacitance C that drive electrode 2 consists of, can also be by an induction electrode 1 and the cell capacitance C that drive electrode 2 consists of, more can be the cell capacitance C that induction electrode 1 and drive electrode 2 by other numbers consist of.Cell capacitance C is roughly rectangle or square, the centre is serrate or the corrugated groove 2C that drive electrode 2 forms, the waveform of the waveform of induction electrode 1 or zigzag edge and described drive electrode 2 or zigzag edge are parallel to each other and have certain gap, adjacent drive electrode 2 forms electric capacity with induction electrode 1, improves the sensitivity that touches performance.In other embodiments, although also be to come illustratedly with the electrod-array that cell capacitance consists of, be understandable that, can be the electrod-array of 23 * 12 cell capacitance formation, according to the size of different touch-screens, it can also be the electrod-array of the cell capacitance formation of arbitrary number.Two induction electrodes 1 are serially connected in induction electrode row 3 by the sensor wire 1L that is positioned at induction electrode 1 left side, and wherein the live width of sensor wire 1L is 1mm.Two drive electrodes 2 connect into drive electrode row 4 by the driving wire 2L that is positioned at the drive electrode right side, and the live width that wherein drives wire 2L is 0.05mm.Sensor wire 1L and driving wire 2L consist of wiring region, and sensor wire 1L and driving wire 2L indention, the angle 7 of the rectilinear direction at the jagged edge place of sensor wire 1L is 120 °, and the angle 6 of the rectilinear direction at the jagged edge place of driving wire 2L is 120 °.Arrange capacitive region and wiring region space.In other embodiment, a plurality of induction electrode row are arranged in parallel and can consist of the induced electricity pole-face, and a plurality of drive electrode row are arranged in parallel and can consist of the drive electrode face.The edge of induction electrode 1 and drive electrode 2 is serrate, and wherein the angle 5 of the serrate groove of induction electrode 1 and drive electrode 2 formation is 120 °.Those skilled in the art as can be known, the edge of induction electrode 1 and drive electrode 2 can also be waveform.The edge of induction electrode 1 and drive electrode 2 be parallel to each other and for waveform or serrate can be when finger moves on to adjacent another cell capacitance C from a cell capacitance C, the capacitance change of the cell capacitance that finger shifts out reduces gradually, the capacitance change of the cell capacitance that moves into increases gradually, reduction and recruitment linear approximate relationship, thereby judge the situation of touch, can realize well touching effect.Induction electrode 1 is mutual corresponding with drive electrode 2, and induction electrode 1 forms complementary graphs with drive electrode 2, the edge of the edge of drive electrode 2 and induction electrode 1 be parallel to each other and edge adjacent one another are separately be 0.03mm apart from 12C.
In the exemplary embodiment, the horizontal length CL of cell capacitance C is 8mm, and width C W is 6mm, and the width 1W between two edges that are parallel to each other of induction electrode 1 is 1.2mm, and the width 2W between two edges that are parallel to each other of drive electrode 2 is 1.2mm.
In the present embodiment, the material of induction electrode 1 and drive electrode 2 is ito thin film, and in other embodiment, the material of induction electrode 1 and drive electrode 2 can be transparent conductive metallic film.Those skilled in the art as can be known, accompanying drawing is not the technique of painting of slightly simplifying that has shown pari passu the exemplifying various features of ultimate principle of the present utility model.Specific design feature of the present utility model disclosed herein for example comprises that concrete size, direction, position and profile will be partly will be used and the environment of usefulness is determined by concrete.In other embodiment, the waveform of the waveform of induction electrode or zigzag edge and adjacent drive electrode or the distance between the zigzag edge are 0.001-5mm, the horizontal length of cell capacitance can be 1-15mm, the width of cell capacitance can be 1-15mm, the width of induction electrode can be 0.005-10mm, the live width of sensor wire can be 0.001-10mm, and the live width that drives wire can be 0.001-10mm, and the width of drive electrode can be 0.005-10mm.Spacing between a plurality of driving wires can be 0.001-5mm, and the angle between the angle of the serrate groove that induction electrode and drive electrode form or the tangential direction of wave shape groove is 10 °-170 °., be preferably 30 °-150 °, more preferably be 40 °-140 °.The angle of the angle of the rectilinear direction at the jagged edge place of sensor wire or the tangential direction at wavy edge place is 10 °-170 °.The angle of the angle of the rectilinear direction at the jagged edge place of driving wire or the tangential direction at wavy edge place is 10 °-170 °, and the angle of the angle of the rectilinear direction at the jagged edge place of preferred sensor wire and driving wire or the tangential direction at wavy edge place is 100 °-140 °.
Fig. 4 is the schematic diagram of the first distressed structure of single layer cloth line electrode array among the utility model embodiment, the difference of itself and first embodiment is, cell capacitance C is made of an induction electrode 1 and a drive electrode 2, and two drive electrodes 2 are connected in parallel by the driving wire 2L that is positioned at the drive electrode right side.The spacing h that drives between the wire 2L is 0.05mm, and in other embodiment, the spacing that drives between the wire is 0.001-5mm.
Fig. 5 is the schematic diagram of the second distressed structure of single layer cloth line electrode array among the utility model embodiment, and the difference of itself and first embodiment is, the centre of induction electrode 1 and drive electrode 2 has the hole 8 of hollow out.In the present embodiment, hole 8 has the shape identical with induction electrode 1 and drive electrode 2, and in other embodiment, hole 8 can also be rectangle, circle, ellipse, trapezoidal, parallelogram and the combined shaped between them.Wherein can be the hole that only has the centre of induction electrode to have hollow out, also can be the hole that only has drive electrode to have hollow out, and the utility model is not made concrete restriction at this.
Fig. 6 is the schematic diagram of the third distressed structure of single layer cloth line electrode array among the utility model embodiment, the difference of itself and first embodiment is, shown in Figure 6 is 2 * 2 electrod-array, electrod-array comprises capacitive region 52 and wiring region 57, arrange capacitive region 52 and wiring region 57 spaces, wiring region 57 comprises sensor wire 1L and drives wire 2L, also comprises the separating conductive wires 3L between sensor wire 1L and driving wire 2L.The live width of the driving wire 2L in the wiring region 57 reducing gradually from top to bottom wherein drives spacing the reducing gradually from top to bottom between the wire 2L.The spacing that drives between the wire is 0.001-5.0mm, and the width of drive electrode is 0.005-10mm.Separating conductive wires 3L indention, the edge of separating conductive wires 3L and sensor wire 1L and driving wire 2L is parallel to each other, the angle of the serrate groove that separating conductive wires 3L forms is 120 °, those skilled in the art as can be known, the angle of the serrate groove that separating conductive wires 3L forms can be the arbitrary value between 10 °-170 °, wherein preferred 40 °-140 °.In other embodiment, separating conductive wires 3L undulate, the angle between the tangential direction of the wave shape groove of separating conductive wires 3L are 10 °-170 °.Wherein, the live width of separating conductive wires 3L is 0.05mm, and the distance between the zigzag edge of the edge of separating conductive wires 3L and driving wire 2L or sensor wire 1L is 0.05mm.In the present embodiment, the live width of sensor wire is constant, and in other embodiment, the live width of sensor wire also can change, and the distance between the driving wire and the width of drive electrode can be a fixing numerical value.In other embodiment, the live width of separating conductive wires can be the arbitrary value between the 0.005-10mm.Distance between the waveform of the edge of separating conductive wires and described driving wire or described sensor wire or the zigzag edge can be the arbitrary value between the 0.001-10mm.
Fig. 7 is the schematic diagram of capacitive touch screen among the embodiment of the present utility model.As shown in Figure 7, capacitive touch screen 50 comprises substrate 51, be arranged on capacitive region 52 and wiring region 57 on the substrate 51, in the present embodiment, be that cell capacitance C with 2 * 2 array consists of electrod-array 52, certainly this just schematically expression, be understandable that, in the implementation process of reality, can be 10 * 15 electrod-array, 20 * 20 electrod-array, 23 * 12 electrod-array, the electrod-array of any cell capacitance array format can be set as required.In electrod-array 52, sensor wire 1L connects on control port 55 corresponding to integrated circuit (IC) chip (not shown), drives wire 2L and is connected on control port corresponding to integrated circuit (IC) chip (not shown) 55.Wherein, induction electrode row that are connected on the same sensor wire 1L are listed as the Component units electric capacity row that cooperatively interact with opposed drive electrode.A plurality of cell capacitance row are arranged in electrod-array 52.In electrod-array 52, the sensor wire 1L that the driving wire 2L of one of them cell capacitance row and adjacent cell capacitance are listed as is positioned on two wiring region 57 in the middle of the adjacent cell capacitance row.In the present embodiment, the number of control port 55 is exemplary expression with sensor wire 1L be connected wherein several that wire 2L is connected, those skilled in the art will be appreciated that, the control port of integrated circuit (IC) chip is not that these are several, according to different electrod-arrays, it can also be the control port of other numbers.Capacitive touch screen 50 also comprise with integrated circuit (IC) chip in the ground wire 56 that is connected of corresponding control port.According to actual needs, substrate 51 can be glass, tempered glass or organic glass, and substrate 51 can be rectangle, square, circle or the combined shaped between them.It can also be the curved surface with certain radian.
Fig. 8 is the schematic diagram of the distressed structure of capacitive touch screen among the embodiment of the present utility model.As shown in Figure 8, the difference of capacitive touch screen is among itself and first embodiment, both sides have respectively the control port 552 and 551 corresponding with the integrated circuit (IC) chip (not shown) at substrate about in the of 51, will drive wire 2L and be connected respectively on control port 551 or 552.The first half that namely drives wire 2L is connected on the control port 552, and the latter half that drives wire 2L connects on the control port 551.552 and 551 can be control ports different on the same integrated circuit (IC) chip, also can be the control port of identical two integrated circuit (IC) chip.Adopt the benefit of this structure to be to reduce the space that drives wire 2L occupied wiring region 57 in electrod-array 52, thereby reduced the area of wiring region 57 in the electrod-array 52, so that the integrated level of induction sensitivity and electrod-array all is greatly improved.Ground wire 56 indentions and be parallel to each other with sensor wire 1L and the edge that drives wire 2L, wherein the angle of the serrate groove that forms of ground wire 56 is 120 °, the live width of ground wire 56 is 0.05mm.In other embodiment, ground wire 56 all right undulates, and the angle between the tangential direction of the wave shape groove that ground wire forms is the arbitrary value between 10 °-170 °, according to actual needs, preferably the angle between the tangential direction of the angle of the serrate groove of separating conductive wires formation or wave shape groove is 40 °-140 °.The live width of ground wire can be 0.005-10mm.
Above-described embodiment is for illustrative principle of the present utility model and effect thereof, but the utility model is not limited to above-mentioned embodiment.Any personnel that are familiar with technique all can under spirit of the present utility model and category, in the claim protection domain, make amendment to above-described embodiment.So protection domain of the present utility model, should be listed such as claims of the present utility model.
Claims (29)
1. a single layer cloth line electrode array is characterized in that, comprises being positioned at capacitive region and a wiring region on the plane, wire indention or the waveform of described wiring region.
2. single layer cloth line electrode array according to claim 1 is characterized in that, arrange described capacitive region and described wiring region space.
3. single layer cloth line electrode array according to claim 1, it is characterized in that, described capacitive region comprises a plurality of tactic cell capacitance, wherein each cell capacitance comprise at least one induction electrode of being positioned on the plane and with opposed at least one drive electrode of described induction electrode.
4. single layer cloth line electrode array according to claim 3 is characterized in that, the centre of described induction electrode has the hole of hollow out.
5. single layer cloth line electrode array according to claim 3 is characterized in that, the centre of described drive electrode has the hole of hollow out.
6. single layer cloth line electrode array according to claim 3 is characterized in that, described wiring region comprises the driving wire of the described drive electrode that is connected in parallel and is connected in series the sensor wire of described induction electrode.
7. single layer cloth line electrode array according to claim 3, it is characterized in that, edge indention or the waveform of described induction electrode, edge indention or the waveform of described drive electrode, the edge of described induction electrode and described drive electrode is parallel to each other.
8. single layer cloth line electrode array according to claim 7, it is characterized in that, in the waveform or zigzag groove that the described a plurality of drive electrodes of described a plurality of induction electrode embedding separately form, in the waveform or zigzag groove that the described a plurality of induction electrodes of described a plurality of drive electrodes embedding separately form.
9. single layer cloth line electrode array according to claim 3, it is characterized in that, a plurality of induction electrodes of described a plurality of cell capacitance are arranged in parallel, and being serially connected in induction electrode row by the sensor wire that is positioned at induction electrode one side, described a plurality of induction electrodes row are arranged in parallel and consist of the induced electricity pole-face; A plurality of drive electrodes of described a plurality of cell capacitance are arranged in parallel, and are connected in parallel into the drive electrode row by a plurality of driving wires that are positioned at drive electrode one side, and described a plurality of drive electrode row are arranged in parallel and consist of the drive electrode face.
10. single layer cloth line electrode array according to claim 6, it is characterized in that, the angle of the angle of the rectilinear direction at the jagged edge place of described sensor wire or the tangential direction at wavy edge place is 10 °-170 °, and the angle of the angle of the rectilinear direction at the jagged edge place of described driving wire or the tangential direction at wavy edge place is 10 °-170 °.
11. single layer cloth line electrode array according to claim 10, it is characterized in that, the angle of the angle of the rectilinear direction at the jagged edge place of described sensor wire or the tangential direction at wavy edge place is 100 °-140 °, and the angle of the angle of the rectilinear direction at the jagged edge place of described driving wire or the tangential direction at wavy edge place is 100 °-140 °.
12. according to claim 3 to 9 each described single layer cloth line electrode arrays, it is characterized in that, angle between the angle of the serrate groove that described induction electrode forms or the tangential direction of wave shape groove is 10 °-170 °, and the angle between the angle of the serrate groove that described drive electrode forms or the tangential direction of wave shape groove is 10 °-170 °.
13. according to right 12 described single layer cloth line electrode arrays, it is characterized in that, angle between the angle of the serrate groove that described induction electrode forms or the tangential direction of wave shape groove is 40 °-140 °, and the angle between the angle of the serrate groove that described drive electrode forms or the tangential direction of wave shape groove is 40 °-140 °.
14. according to claim 6,10 or 11 described single layer cloth line electrode arrays, it is characterized in that, the live width of described sensor wire is 0.001-10mm, and the live width of described driving wire is 0.001-10mm.
15. to 9 each described single layer cloth line electrode arrays, it is characterized in that according to claim 3, the width of described induction electrode is 0.005-10mm, the width of described drive electrode is 0.005-10mm.
16. according to claim 6,10 or 11 described single layer cloth line electrode arrays, it is characterized in that, the spacing between described a plurality of driving wires is 0.001-5.0mm.
17. to 9 each described single layer cloth line electrode arrays, it is characterized in that according to claim 3, the waveform of the waveform of described induction electrode or zigzag edge and adjacent drive electrode or the distance between the zigzag edge are 0.001-5mm.
18. to 11 each described single layer cloth line electrode arrays, it is characterized in that according to claim 3, the length of described cell capacitance is 1-15mm, the width of described cell capacitance is 1-15mm.
19. single layer cloth line electrode array according to claim 6 is characterized in that, described wiring region also comprises the separating conductive wires between described sensor wire and described driving wire.
20. single layer cloth line electrode array according to claim 19 is characterized in that, described separating conductive wires undulate or serrate, and the edge of described separating conductive wires and described sensor wire and described driving wire is parallel to each other.
21. single layer cloth line electrode array according to claim 20 is characterized in that, the angle between the angle of the serrate groove that described separating conductive wires forms or the tangential direction of wave shape groove is 10 °-170 °.
22. single layer cloth line electrode array according to claim 21 is characterized in that, the angle between the angle of the serrate groove that described separating conductive wires forms or the tangential direction of wave shape groove is 40 °-140 °.
23. according to claim 19 or 20 described single layer cloth line electrode arrays, it is characterized in that, the live width of described separating conductive wires is 0.005-10mm.
24. according to claim 19 or 20 described single layer cloth line electrode arrays, it is characterized in that, the waveform of the edge of described separating conductive wires and described driving wire or described sensor wire or the distance between the zigzag edge are 0.001-10mm.
25. to 9 each described single layer cloth line electrode arrays, it is characterized in that according to claim 3, described induction electrode and drive electrode are conductive film.
26. single layer cloth line electrode array according to claim 25 is characterized in that described induction electrode and drive electrode are ITO.
27. a capacitive touch screen is characterized in that, comprising:
Substrate;
Be arranged on the single layer cloth line electrode array on the described substrate, described single layer cloth line electrode array comprises and is positioned at capacitive region and a wiring region on the plane, wire indention or the waveform of described wiring region;
The wire of described wiring region connects respectively control port corresponding to one or more at least integrated circuit (IC) chip.
28. capacitive touch screen according to claim 27 is characterized in that, described capacitive touch screen also comprises the ground wire that the control port corresponding with described integrated circuit (IC) chip is connected.
29. capacitive touch screen according to claim 28 is characterized in that, described ground wire undulate or serrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220356062 CN202771407U (en) | 2012-07-20 | 2012-07-20 | Capacitive touch screen and single layer wiring electrode array |
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| CN 201220356062 CN202771407U (en) | 2012-07-20 | 2012-07-20 | Capacitive touch screen and single layer wiring electrode array |
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| CN202771407U true CN202771407U (en) | 2013-03-06 |
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| CN 201220356062 Expired - Lifetime CN202771407U (en) | 2012-07-20 | 2012-07-20 | Capacitive touch screen and single layer wiring electrode array |
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| WO2014012499A1 (en) * | 2012-07-20 | 2014-01-23 | 上海思立微电子科技有限公司 | Capacitive touch screen and single layer wiring electrode array |
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