CN202217245U - Touch control panel - Google Patents
Touch control panel Download PDFInfo
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- CN202217245U CN202217245U CN2011203028689U CN201120302868U CN202217245U CN 202217245 U CN202217245 U CN 202217245U CN 2011203028689 U CN2011203028689 U CN 2011203028689U CN 201120302868 U CN201120302868 U CN 201120302868U CN 202217245 U CN202217245 U CN 202217245U
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Abstract
The utility model provides a touch control panel which comprises the following components: an overlapping electrode which is obtained through laying one electrode layer and extends from a touch control area of a substrate to a peripheral area of the substrate, wherein an electric signal of a touch control area is transmitted to an outer control circuit through the overlapping electrode and the peripheral area surrounds the periphery of the touch control area; and a shielding layer is obtained through laying one insulated layer, is equipped at the peripheral area of the substrate and covers the overlapping electrode at the peripheral area. The electrode layer of the touch control layer and the overlapping electrode are provided in a same layer of the substrate for preventing resistance flotation of the resistor caused by height different of the electrode layer.
Description
Technical field
The utility model relates to a kind of contact panel, especially about a kind of capacitance type touch-control panel.
Background technology
Contact panel is a kind of platy structure thing, combines LCD Panel usually and is disposed in the electronic touch device.
Please merge and consult Fig. 1 and Fig. 2, wherein, Fig. 1 is the process block diagram of traditional contact panel method for making, and Fig. 2 is the diagrammatic cross-section of traditional contact panel.
Step S1: lay a lighttight shielding layer 500 on the surrounding zone 120 of a substrate 100;
Step S2: lay an electrode layer 200 on this substrate 100, this electrode layer 200 comprises the induction electrode 202 of the Touch Zone 110 that is formed directly into substrate 100 and is formed on the overlap joint electrode 201 on the shielding layer 500;
Step S3: lay a line layer 400 in this shielding layer 500, this line layer 400 electrically connects with the overlap joint electrode 201 of electrode layer 200, and then transmits touch-control signal to the external circuit (not illustrating) of 202 sensings of induction electrode.
According to above-mentioned steps, on substrate 100, lay shielding layer 500, electrode layer 200 and line layer 400 in regular turn, and then form contact panel.Yet, because in above-mentioned manufacturing course, shielding layer 500 forms earlier early than electrode layer 200; And electrode layer 200 must carry out high-temperature baking behind step S2, and makes the shielding layer 500 that forms at step S1 earlier also must carry out high-temperature baking, but changes easily on insulativity through the shielding layer behind the high-temperature baking 500; The insulativity of this shielding layer 500 is lowered; Cause each bar perimeter circuit mutual conduction, and make the contact panel can't operate as normal, in addition; There is certain thickness when also itself forming owing to shielding layer 500; Therefore overlap between electrode 201 and the induction electrode 202 and when polyphone, can form a difference in height, cause the resistance of electrode layer 200 to take place to float, influence the accuracy of touch control detection.
Summary of the invention
The utility model provides a kind of contact panel, and unsteady problem takes place the resistance of electrode in the insulativity attenuating of solution shielding layer and the electrode layer.
This contact panel comprises:
One overlap joint electrode is laid by an electrode layer and to be formed, and extends to the surrounding zone of this substrate from the Touch Zone of a substrate, through this overlap joint electrode with the electrical signal transfer of Touch Zone to external control circuit, wherein this surrounding zone is around this Touch Zone periphery; And
One shielding layer is formed by insulation course laying, is arranged at the surrounding zone of this substrate and this overlap joint electrode that covering is positioned at the surrounding zone.
Wherein:
More comprise a line layer; This line layer forms some main traverse lines, is laid on this shielding layer, and this main traverse line electrically connects and should overlap electrode; More precisely, this main traverse line be through form on this overlap joint electrode one get rid of this shielding layer the line hole electrically connect this overlap joint electrode.
More comprise an induction electrode, be arranged at this Touch Zone and lay and form by this electrode layer.This induction electrode comprises: a plurality of serial connection electrodes are to distribute along one first pole axis direction; One SSO (Sun Synchronous Orbit) is arranged between this serial connection electrode and this serial connection electrode of electric connection; And a multiple absolute electrode, mutually insulated and spaced apart in this SSO (Sun Synchronous Orbit) bilateral is to distribute along one second pole axis direction.
This overlap joint electrode comprises: one first overlaps electrode, is extended in this surrounding zone by this absolute electrode to form; And one second overlap joint electrode, extend in this surrounding zone by this serial connection electrode and to form.This first and second overlap joint electrode is covered by this shielding layer, and overlaps the line hole that forms this shielding layer of eliminating on the electrode this first and second respectively.
More comprise an insulative bridge, lay by this insulation course and form, and be arranged on the SSO (Sun Synchronous Orbit) of this induction electrode.
In addition, more comprise: a main traverse line is arranged on the shielding layer of surrounding zone and by a line layer and forms; And a bridging conductor, be arranged on the insulative bridge of Touch Zone and and form by this line layer.Wherein this bridging conductor electrically connects the absolute electrode of this SSO (Sun Synchronous Orbit) bilateral; And this main traverse line comprises one first lead and one second lead; This first lead electrically connects this absolute electrode via the line hole on this first overlap joint electrode, and this second lead electrically connects this serial connection electrode via the line hole on this second overlap joint electrode.
In another practical implementation; More comprise the image manipulation district that defaults in this surrounding zone on this substrate; Comprise the sub-utmost point of serial connection and a sub-SSO (Sun Synchronous Orbit) that extends to this image manipulation district by this electrode layer formed one independent end utmost point, an independent sub-utmost point and by this serial connection electrode in this image manipulation district; Wherein the sub-utmost point of this serial connection is electrically to be connected in series by this sub-SSO (Sun Synchronous Orbit) with being connected in series between the electrode, and this sub-SSO (Sun Synchronous Orbit) bilateral is formed with the independent end utmost point and the independent sub-utmost point of mutually insulated at interval.
Wherein:
The coverage of this shielding layer comprises this image manipulation district; Should independently hold the utmost point, the independent sub-utmost point, the sub-utmost point of serial connection and sub-SSO (Sun Synchronous Orbit) to cover; This independently holds the utmost point and the sub-utmost point of this independence to manifest the sub-line hole of this shielding layer of eliminating respectively, and this independently holds the utmost point to manifest the end line hole of this shielding layer of eliminating in addition.
More comprise: the sub-line of a bridge joint, form and be arranged on the shielding layer in this image manipulation district by a line layer, should independently hold the utmost point and this independent sub-utmost point via this electrical bridge joint in sub-line hole; And the sub-line of an overlap joint, form and be arranged at by this line layer on the shielding layer of surrounding zone, electrically connecting via this end line hole should the independent end utmost point.
Based on above-mentioned; The utility model contact panel; Be included in the touch-control structure in Touch Zone, surrounding zone, the image manipulation district, all have the insulativity of keeping shielding layer and insulative bridge in the insulation course, avoid electrode resistance in the electrode layer that the effectiveness of floating and avoiding the circuit mutual conduction in the line layer takes place.
Description of drawings
Fig. 1 is the method for making process block diagram of traditional contact panel.
Fig. 2 is the cut-away view of traditional contact panel.
Fig. 3 is a kind of process block diagram of contact panel manufacturing approach.
Fig. 4 (a) is to disclose a kind of touch panel structure provided cut-away view in the laying program one by one according to Fig. 3 method to Fig. 4 (c).
Fig. 5 to Fig. 7 be one by one map 4 (a) to the bottom plan view of structure shown in Fig. 4 (c).
Fig. 8 to Figure 10 discloses a kind of bottom plan view with the contact panel in image manipulation district one by one according to Fig. 3 method.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
< embodiment one >
Manufacturing approach in view of implementing a kind of contact panel especially in regard to a kind of manufacturing approach of capacitance type touch-control panel, please merge and consult Fig. 3 to Fig. 7; Wherein, Fig. 3 discloses the process block diagram of this contact panel manufacturing approach, and Fig. 4 (a) is to disclose the cut-away view of this contact panel in the laying program according to Fig. 3 method for making to Fig. 4 (c), Fig. 5 to Fig. 7 be one by one map 4 (a) to the bottom plan view of structure shown in Fig. 4 (c).The manufacturing approach of this contact panel; Comprise: step S10; Lay an electrode layer 40 extends overlap joint electrode 21 to this substrate 10 from the Touch Zone 11 of a substrate 10 surrounding zone 12 earlier; Through this overlap joint electrode 21 with the electrical signal transfer of Touch Zone 11 to external control circuit, wherein this surrounding zone 12 is around these Touch Zone 11 peripheries, again at step S20; Lay an insulation course 30 on the surrounding zone 12 of this substrate 10 to form a shielding layer 31, wherein this shielding layer 31 covers this overlap joint electrode 21 that is positioned at surrounding zone 12.Further explain in the present embodiment, more is included in step S30, forms a line layer 40 on this insulation course 30.This concrete manufacturing step will specify as follows:
Above-mentioned substrate 10 is to select for use one to be beneficial to finger touch and good glass, transparent glasses lens or transparent passivation (passivation) material of light transmission makes; And on this substrate 10 a preset Touch Zone 11; The transparent surface territory of two-dimentional bodies such as this Touch Zone 11 can possess rectangle is arranged, loop-drive shape, ring shape or lattice net-shape; And the face territory scope of this Touch Zone 11 is less than this substrate 10; Make on the substrate 10 of Touch Zone 11 periphery and be able to preset out a surrounding zone 12, and make surrounding zone 12 around the Touch Zone 11 periphery.
The electrode layer 20 that step S 10 is laid is positioned on the substrate 10 of these 11 territory scopes in Touch Zone, and this electrode layer 20 also extends to form the surrounding zone 12 that several overlap electrode 21 to these substrates 10 simultaneously.Wherein:
In this overlap joint electrode 21 of surrounding zone 12 formation, more be included in Touch Zone 11 and lay these electrode layers 20 to form induction electrode 22, overlap joint electrode 21 is accomplished in the laying program of electrode layer 20 together with induction electrode 22 simultaneously.
The laying mode of this electrode layer 20; The indium tin oxide that can adopt the low temperature sputter to use is material; And be target with this substrate 10, through the laying means of this tradition low temperature sputter (30-40 ℃), and on this substrate 10, form a tin indium oxide coating; Again through the laying means of conventional solvent etching or laser-induced thermal etching, and on substrate 10, form the overlap joint electrode 21 and induction electrode 22 of net distribution.This electrode layer 20 must be through 240 ℃ of left and right sides high-temperature bakings subsequently, make after this overlap joint electrode 21 and induction electrode 22 moulding more stable.
This induction electrode 22 comprises a plurality of absolute electrode 22a, a plurality of serial connection electrode 22b and a plurality of SSO (Sun Synchronous Orbit) 22c.This absolute electrode 22a distributes along one second pole axis direction 20b, and this serial connection electrode 22b distributes along one first pole axis direction 20a; This SSO (Sun Synchronous Orbit) 22c is formed between this serial connection electrode 22b and electrically connects said serial connection electrode 22b; This absolute electrode 22a is a mutually insulated and spaced apart in this SSO (Sun Synchronous Orbit) 22c bilateral.
Form in step of this overlap joint electrode 21 in surrounding zone 12, comprise and extend this absolute electrode 22a and be connected in series electrode 22b and overlap electrode 21a and one second and overlap electrode 21b to form one first respectively to this surrounding zone 12; Wherein be connected in series the described distribution arrangement of electrode 22b with this identical with absolute electrode 22a respectively for this first overlap joint electrode 21a and second bearing of trend of overlapping electrode 21b; Promptly distribute along the second pole axis direction 20b and the first pole axis direction 20a respectively; The difference that perhaps needs and be present in according to design planning on other bearing of trend between first and second pole axis 20a, the 20b direction changes, but absolute electrode 22a is connected in series the bearing of trend of electrode 22b with this necessary different.
In addition, when making contact panel, the said first pole axis direction 20a and the second pole axis direction 20b may be defined as the X axle and the Y axle of rectangular coordinate system, or are the T axle and the N axle of tangent line/method line coordinates, or are polar coordinates etc.
The insulation course of then being laid 30 at step S20; The glue material that can select for use the acryl etc. of opaqueness to have the insulation speciality; And adopting the screen painting means to be laid on the surrounding zone of this substrate 10 to form a shielding layer 31, this shielding layer 31 also covers the overlap joint electrode 21 that is positioned at surrounding zone 12.
More specifically, this shielding layer 31 is to cover this first overlap joint electrode 21a and the second overlap joint electrode 21b, and line hole 31a, the 31b of formation one this shielding layer 31 of eliminating on this first overlap joint electrode 21a and the second overlap joint electrode 21b respectively.
Form in the step of these shielding layers 31 in surrounding zone 12, also comprise simultaneously in Touch Zone 11 and laying on these insulation courses 30 are positioned at this induction electrode 22 with covering the SSO (Sun Synchronous Orbit) 22c to form an insulative bridge 32.
It should be noted that this insulative bridge 32 and shielding layer 31 are in the laying program, to accomplish simultaneously, compared to laying insulative bridge 32 and shielding layer 31 respectively separately, can reduce manufacturing process one, and then reach the purpose of simplifying processing procedure; Be that the insulating gel material is covered on the whole base plate 10 in 12 the territory scopes in this Touch Zone 11 and surrounding zone in the laying process; And adopt means such as traditional exposure, development, etching and oven dry; Make insulation course 30 11 only cover this SSO (Sun Synchronous Orbit) 22c in the Touch Zone; And on the reciprocity position of said SSO (Sun Synchronous Orbit) 22c, forming this insulative bridge 32, these Touch Zone 11 remainders are exposed outside after development, so the quantity that this insulative bridge 32 forms is to be equal to this SSO (Sun Synchronous Orbit) 22c; And make this insulation course 30 cover these surrounding zones 12 and form this shielding layer 31 simultaneously, and this shielding layer 31 can be covered be positioned at surrounding zone 12 first and second overlap electrode 21a, 21b; Wherein, this line hole 31a, 31b get rid of this shielding layer 31 and form via said exposure, development and oven dry means.
Based on above-mentioned steps S10 and step S20 two road processing procedures, can make electrode layer 20 form earlier early than shielding layer 31, must accept the problem of high-temperature baking with electrode layer 20 and got rid of shielding layer 31, and reach the stable performance of the insulativity of keeping this shielding layer 31.In addition; Because the said overlap joint electrode 21 in the electrode layer 20 is direct and the substrate that is formed on identical layer position or same level 10 surfaces simultaneously with induction electrode 22; Do not receive blocking of shielding layer 31; Therefore do not have difference in height, float with the resistance generation of induction electrode 22, help to keep the accuracy of touch control detection and can avoid overlapping electrode 21.
The line layer of in step S30, being laid 40; Optional usefulness is conductive metallic material such as elargol for example; And adopt traditional screen painting, apply photoresistance, means such as exposure, development, etching and the residual photoresistance of eccysis and being laid on this insulation course 30, and on this shielding layer 31 forming some main traverse lines 42, this main traverse line 42 electrically connects should overlap joint electrode 21; And on the reciprocity position of said insulative bridge 32, form a bridging conductor 41, process according to this one have a sandwich construction contact panel.
This bridging conductor 41 is the absolute electrode 22a that electrically connect this SSO (Sun Synchronous Orbit) 22c bilateral; And this main traverse line 42 electrically connects this overlap joint electrode 21 through the line hole on the overlap joint electrode 21; Further; This main traverse line 42 comprises one first lead 42a and one second lead 42b; This first lead 42a electrically connects this absolute electrode 22a via the line hole 31a on this first overlap joint electrode 21a, and this second lead 42b electrically connects this serial connection electrode 22b via the line hole 31b on this second overlap joint electrode 21b, and this insulative bridge 32 can produce insulating effect between SSO (Sun Synchronous Orbit) 22c and bridging conductor 41.The quantity that this bridging conductor 41 forms is to be equal to this insulative bridge 32 so that bridging conductor 41 can be on the said second pole axis direction 20b the electrical absolute electrode 22a of this SSO (Sun Synchronous Orbit) of bridge joint 22c bilateral.The quantity that this main traverse line 42 forms is the sum total that is equal to the said first overlap joint electrode 21a and the second overlap joint electrode 21b quantity; And make each first lead 41a can electrically connect this absolute electrode 22a respectively and be connected in series electrode 22b with one of second lead 42b end; And the other end of the said first lead 41a and the second lead 42b is formed with a conducting terminal 43 respectively; Supply an external flexible circuit, and export the touch-control electric potential signal to a control circuit, with the instruction of detecting touch-control.
When adopting elargol to process said line layer 40 because have shading characteristic; Therefore with respect in step S20 last time, this insulation course 30 also must adopt insulating gel material light tight and that be enough to cover the bridging conductor 41 of interior main traverse line 42 in said surrounding zone 12 and Touch Zone 11 to process.In another embodiment; Also can the width of this SSO (Sun Synchronous Orbit) 25 be implemented as enough trickle; And make this insulative bridge 32 cover the unit area of this SSO (Sun Synchronous Orbit) 22c and unit area that this bridging conductor 41 appears less all relatively, be difficult for discovering light tight insulative bridge 32 and bridging conductor 41 in 11 the territory scopes in Touch Zone in order to naked eyes.
In addition; Also can adopt indium tin oxide that the high temperature sputter uses as conductive material at line layer 40 described in the step S30; Elder generation's sputter one deck conductive layer under 300-400 ℃ temperature; Use solvent etching or laser-induced thermal etching again, under the situation that need not to toast, form the bridging conductor 41 and main traverse line 42 of printing opacity; Under this implements; With respect among the step S20 last time; The insulating gel material that adopts light transmission of then can arranging in pairs or groups is processed the insulative bridge 32 of printing opacity in shielding layer 31 and the Touch Zone 11 of printing opacity in this surrounding zone 12; Because this shielding layer 31 has the good insulation performance performance, therefore can prevent to cause the phenomenon of each main traverse line 42 mutual conduction effectively owing to the interference in the various external worlds.
Moreover printing opacity or lighttight main traverse line 42 in the above-mentioned surrounding zone 12 also can utilize the casing of equipment to cover this surrounding zone 12, avoid main traverse line 42 to expose, to reach better visual effect.This line layer 40 can be laid diaphragm that one deck has insulating effect on this line layer 40 usually after configuration is accomplished.
Above-mentioned steps S10 is to step S30; Because substrate 10 materials of taking; The heatproof degree of for example general simple glass or passivating material is to reach 450 ℃; Therefore be enough to directly bear said sputter temperature (30-40 ℃) and baking temperature (240 ℃) and be difficult for impairedly, and got rid of this substrate 10 and accepted wrecking of this sputter and baking condition with shielding layer 31 with this insulation course 30 beyond electrode layer 20; Above factor helps to keep this insulation course 30 insulativity of (comprising shielding layer 31 and insulative bridge 32), avoids the circuit mutual conduction in the line layer 40.
Process a kind of contact panel according to above-mentioned manufacturing approach; Comprise the sandwich construction (with reference to Fig. 4 c, Fig. 5 and shown in Figure 6) that forms by this electrode layer 20 and 30 layings of insulation course; Be included in the sandwich construction that is constituted by this overlap joint electrode 21 and shielding layer 31 on the said substrate 10 especially, wherein:
This overlap joint electrode 21 is to be laid by electrode layer 20 to form; Promptly this electrode layer 20 extends to the surrounding zone 12 of this substrate 10 and lays formation from the Touch Zone 11 of substrate 10; Through this overlap joint electrode 21 with the electrical signal transfer of Touch Zone 11 to external control circuit, wherein this surrounding zone 12 is around these Touch Zone 11 peripheries.
This shielding layer 31 is to be laid by insulation course 30 to form, and makes this shielding layer 31 be arranged at the surrounding zone 12 of this substrate 10 and the said overlap joint electrode 21 that covering is positioned at surrounding zone 12 especially.
More specifically, the laying of said electrode layer 20 also is included in this Touch Zone 11 and forms induction electrode 22.This induction electrode 22 includes a plurality of absolute electrode 22a, serial connection electrode 22b and SSO (Sun Synchronous Orbit) 22c; This serial connection electrode 22b distributes along the first pole axis direction 20a; This SSO (Sun Synchronous Orbit) 22c is arranged between this serial connection electrode 22b and electrically connects to be connected in series electrode 22b; This absolute electrode 22a is a mutually insulated and spaced apart in said SSO (Sun Synchronous Orbit) 22c bilateral, and this absolute electrode 22a and the edge second pole axis direction 20b direction distribute.
Belong to together by electrode layer 20 and lay the overlap joint electrode 21 that forms, include the first overlap joint electrode 21a and the second overlap joint electrode 21b in fact; The first overlap joint electrode 21a is extended in this surrounding zone 12 and is formed by said absolute electrode 22a; The second overlap joint electrode 21b is extended in this surrounding zone 12 and is formed by said serial connection electrode 22b, and wherein this absolute electrode 22a be connected in series direction that electrode 22b extends with this can be with reference to the embodiment described in the aforementioned manufacturing approach and different.More specifically; This first overlap joint electrode 21a and the second overlap joint electrode 21b come down to be covered by this shielding layer 31; And be formed with the line hole 31a that gets rid of shielding layer 31 on the first overlap joint electrode 21a, be formed with the line hole 31b that gets rid of shielding layer 31 on the second overlap joint electrode 21b.
The laying of said shielding layer 31 also is included in this Touch Zone 11 and forms several insulative bridge 32.This insulative bridge 32 is that equity is arranged on the SSO (Sun Synchronous Orbit) 22c of this induction electrode 22.
The contact panel of the utility model; In fact also be included in the sandwich construction (with reference to Fig. 4 c and shown in Figure 7) that extension wire layer 40 is constituted on said shielding layer 31 and the insulative bridge 32; This line layer 40 forms some main traverse lines 42; This main traverse line 42 electrically connects and should overlap electrode 21, and this main traverse line 42 is to be arranged on the shielding layer 31 of surrounding zone 12.More specifically, this line layer 40 also comprises some bridging conductors 41, and wherein this bridging conductor 41 is to be arranged on the insulative bridge 32 of Touch Zone 11 with the cross-over connection mode.This bridging conductor 41 electrically connects the absolute electrode 22a of this SSO (Sun Synchronous Orbit) 22c bilateral; And this main traverse line 42 electrically connects this overlap joint electrode 21 through the line hole on overlap joint electrode 21; More specifically; This main traverse line 42 comprises the first lead 42a and the second lead 42b, and this first lead 42a electrically connects this absolute electrode 22a via the line hole 31a on this first overlap joint electrode 21a, and this second lead 42b electrically connects this serial connection electrode 22b via the line hole 31b on this second overlap joint electrode 21b.
< embodiment two >
Other sees also Fig. 8 to Figure 10, discloses an image manipulation district (icon area) 13 forms touch-control structure in laying said electrode layer 20, insulation course 30 and line layer 40 processes bottom plan view.Explanation more comprises the image manipulation district 13 that defaults in 12 the territory scopes in this surrounding zone on this substrate 10 in the practical implementation of a manufacturing approach, wherein:
In above-mentioned steps S10; Particularly in the step that forms this overlap joint electrode 21 and this induction electrode 22; Lay this electrode layer 20 simultaneously and be connected in series the sub-utmost point 28 and a sub-SSO (Sun Synchronous Orbit) 29 to form the independent end utmost point 26, one an independent sub-utmost point 27 and to extend to one of this image manipulation district 13 by this serial connection electrode 22b; Wherein the sub-utmost point 28 of this serial connection is electrically to be connected in series by this sub-SSO (Sun Synchronous Orbit) 29 with being connected in series between the electrode 22b, and these sub-SSO (Sun Synchronous Orbit) 29 bilaterals are formed with the independent end utmost point 26 and the independent sub-utmost point 27 of mutually insulated at interval.
In above-mentioned steps S20; The coverage of this shielding layer 31 comprises this image manipulation district 13; Should independently hold the utmost point 26, the independently sub-utmost point 27, the sub-utmost point 28 of serial connection and sub-SSO (Sun Synchronous Orbit) 29 to cover; And this independently hold on the utmost point 26 and the sub-utmost point 27 of this independence near sub-SSO (Sun Synchronous Orbit) 29 places manifest respectively one get rid of this shielding layer 31 sub-line hole 26a and 27b, this independently holds the utmost point 26 to manifest the end line hole 26b of this shielding layer 31 of eliminating in addition.
In above-mentioned steps S30; This line layer 40 is laid in simultaneously in this image manipulation district 13 and contacts this shielding layer 31; So that form sub-line 45 of a bridge joint and the sub-line 46 of an overlap joint synchronously; Wherein via sub-line hole 26a and 27b and electrically bridge joint should the independent end utmost point 26 and this independent sub-utmost point 27 in this image manipulation district 13 for the sub-line 45 of this bridge joint, and the sub-line 46 of this overlap joint electrically connects this and independently holds the utmost point 26 and conducting terminal 43 via this end line hole 26b.
Via the fabrication steps of above-mentioned extension, this image manipulation district 13, Touch Zone 11 and surrounding zone 12 can be carried out in identical laying step synchronously.
In addition; The said independent end utmost point 26 is to distribute along this second pole axis direction 20b with the independent sub-utmost point 27; The sub-utmost point 28 of said serial connection is to distribute along this first pole axis direction 20a; The said in addition independent end utmost point 26, the independent sub-utmost point 27 and be connected in series the sub-utmost point 28 and also can hold the variation for this image manipulation district 13 design according to design be made corresponding design variation and be present on other bearing of trend between first and second pole axis 20a, the 20b direction.
According to above-mentioned, substrate 10 is processed the contact panel with this image manipulation district 13, wherein:
This image manipulation district 13 comprise by the formed said independent end utmost points 26 of this electrode layer 20, the independent sub-utmost point 27 and by this serial connection electrode 22b extend to this image manipulation district 13 and form the sub-utmost point 28 of serial connection and a sub-SSO (Sun Synchronous Orbit) 29 (as shown in Figure 8); Wherein the sub-utmost point 28 of this serial connection is electrically to be connected in series by this sub-SSO (Sun Synchronous Orbit) 29 with being connected in series between the electrode 22b, and these sub-SSO (Sun Synchronous Orbit) 29 bilaterals are formed with the independent end utmost point 26 and the independent sub-utmost point 27 of mutually insulated at interval.
The coverage of this shielding layer 31 comprises this image manipulation district 13 (as shown in Figure 9); Should independently hold the utmost point 26, the independently sub-utmost point 27, the sub-utmost point 28 of serial connection and sub-SSO (Sun Synchronous Orbit) 29 to cover; This independently holds the utmost point 26 and the sub-utmost point 27 of this independence to manifest sub-line hole 26a and the 27b that gets rid of this shielding layer 31 respectively, and this independently holds the utmost point 26 to manifest the end line hole 26b that gets rid of this shielding layer 31 in addition.
This line layer 40 also is formed with sub-line 45 of bridge joint and overlap joint line 46 (shown in figure 10); The sub-line 45 of this bridge joint is arranged on the shielding layer 31 in this image manipulation district 13; Should the independent end utmost point 26 and this independent sub-utmost point 27 via this sub-line hole 26a and the electrical bridge joint of 27b, and make this overlap sub-line 46 to be arranged on the shielding layer 31 of surrounding zone 12, electrically connecting via this end line hole 26b should the independent end utmost point 26 and conducting terminal 43; And then export the touch-control electric potential signal to a control circuit, with the instruction of detecting touch-control.Being connected in series the touch-control electric potential signal that the sub-utmost point 28 detects then is to see through to transfer to control circuit with being connected in series electrode 22b of its electric connection.
Based on above-mentioned; The utility model contact panel; Be included in the touch-control structure in Touch Zone 11, surrounding zone 12, the image manipulation district 13, all have the insulativity of keeping shielding layer in the insulation course 30 31 and insulative bridge 32, avoid electrode resistance in the electrode layer 20 that the phenomenon of floating and avoiding the circuit mutual conduction in the line layer 40 takes place.
Above embodiment is merely several kinds of embodiments of having expressed the utility model, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for having common knowledge the knowledgeable in the technical field under the utility model under the prerequisite that does not break away from the utility model design, can also make complex deformation and improvement, these all belong to the protection domain of the utility model.Therefore, the utility model should be as the criterion with the request terms content that limits in the claim.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (13)
1. a contact panel is characterized in that, comprising:
One overlap joint electrode is laid by an electrode layer and to be formed, and extends to the surrounding zone of this substrate from the Touch Zone of a substrate, through this overlap joint electrode with the electrical signal transfer of Touch Zone to external control circuit, wherein this surrounding zone is around this Touch Zone periphery; And
One shielding layer is formed by insulation course laying, is arranged at the surrounding zone of this substrate and this overlap joint electrode that covering is positioned at the surrounding zone.
2. contact panel according to claim 1 is characterized in that, more comprises a line layer, and this line layer forms some main traverse lines on this shielding layer, and this main traverse line electrically connects should the overlap joint electrode.
3. contact panel according to claim 2 is characterized in that, this shielding layer has the line hole of this shielding layer of eliminating on this overlap joint electrode, and this overlap joint electrode electrically connects this main traverse line through this line hole.
4. contact panel according to claim 1 is characterized in that, more comprises an induction electrode, is arranged at this Touch Zone and is laid by this electrode layer to form.
5. contact panel according to claim 4 is characterized in that, this induction electrode comprises:
A plurality of serial connection electrodes distribute along one first pole axis direction;
One SSO (Sun Synchronous Orbit) is arranged between this serial connection electrode and this serial connection electrode of electric connection; And
A plurality of absolute electrodes, mutually insulated and spaced apart in this SSO (Sun Synchronous Orbit) bilateral distributes along one second pole axis direction.
6. contact panel according to claim 5 is characterized in that, this overlap joint electrode comprises:
One first overlaps electrode, is extended in this surrounding zone by this absolute electrode to form; And
One second overlaps electrode, is extended in this surrounding zone by this serial connection electrode to form.
7. contact panel according to claim 6 is characterized in that, this shielding layer has the line hole of this shielding layer of eliminating on this first overlap joint electrode and the second overlap joint electrode.
8. contact panel according to claim 7 is characterized in that, more comprises an insulative bridge, is laid by this insulation course to form, and is arranged on the SSO (Sun Synchronous Orbit) of this induction electrode.
9. contact panel according to claim 8 is characterized in that, more comprises:
One main traverse line is arranged on the shielding layer of surrounding zone and by a line layer and forms; And
One bridging conductor is arranged on the insulative bridge of Touch Zone and by this line layer and forms.
10. contact panel according to claim 9; It is characterized in that; This bridging conductor electrically connects the absolute electrode of this SSO (Sun Synchronous Orbit) bilateral; And this main traverse line comprises one first lead and one second lead, and this first lead electrically connects this absolute electrode via the line hole on this first overlap joint electrode, and this second lead electrically connects this serial connection electrode via the line hole on this second overlap joint electrode.
11. contact panel according to claim 5; It is characterized in that; More comprise the image manipulation district that defaults in this surrounding zone on this substrate; Comprise the sub-utmost point of serial connection and a sub-SSO (Sun Synchronous Orbit) that extends to this image manipulation district by this electrode layer formed one independent end utmost point, an independent sub-utmost point and by this serial connection electrode in this image manipulation district; Wherein the sub-utmost point of this serial connection is electrically to be connected in series by this sub-SSO (Sun Synchronous Orbit) with being connected in series between the electrode, and this sub-SSO (Sun Synchronous Orbit) bilateral is formed with the independent end utmost point and the independent sub-utmost point of mutually insulated at interval.
12. contact panel according to claim 11; It is characterized in that; The formation scope of this shielding layer comprises this image manipulation district; Be somebody's turn to do independently the end utmost point, the independent sub-utmost point, the sub-utmost point of serial connection and sub-SSO (Sun Synchronous Orbit) to cover, this independently holds the utmost point and the sub-utmost point of this independence to manifest the sub-line hole of this shielding layer of eliminating respectively, and this independently holds the utmost point to manifest the end line hole of this shielding layer of eliminating in addition.
13. contact panel according to claim 12 is characterized in that, more comprises:
The sub-line of one bridge joint forms and is arranged on the shielding layer in this image manipulation district by a line layer, should independently hold the utmost point and this independent sub-utmost point via this electrical bridge joint in sub-line hole; And
The sub-line of one overlap joint is formed and is arranged at by this line layer on the shielding layer of surrounding zone, and electrically connecting via this end line hole should the independent end utmost point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203028689U CN202217245U (en) | 2011-08-17 | 2011-08-17 | Touch control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203028689U CN202217245U (en) | 2011-08-17 | 2011-08-17 | Touch control panel |
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| Publication Number | Publication Date |
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| CN202217245U true CN202217245U (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203028689U Expired - Lifetime CN202217245U (en) | 2011-08-17 | 2011-08-17 | Touch control panel |
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| Country | Link |
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| CN (1) | CN202217245U (en) |
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| CN102955603A (en) * | 2011-08-17 | 2013-03-06 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacture method thereof |
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| CN103092411A (en) * | 2013-01-10 | 2013-05-08 | 北京京东方光电科技有限公司 | Touch screen, manufacturing method thereof and display device |
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Granted publication date: 20120509 |