CN202748763U - Conductive pattern structure of capacitance type touch panel - Google Patents
Conductive pattern structure of capacitance type touch panel Download PDFInfo
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- CN202748763U CN202748763U CN 201220340923 CN201220340923U CN202748763U CN 202748763 U CN202748763 U CN 202748763U CN 201220340923 CN201220340923 CN 201220340923 CN 201220340923 U CN201220340923 U CN 201220340923U CN 202748763 U CN202748763 U CN 202748763U
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Abstract
The utility model discloses a conductive pattern structure of a capacitance type touch panel. A plurality of first axial conductive assemblies and a plurality of second axial conductive assemblies are formed on one surface of a substrate. Each first axial conductive assembly comprises a plurality of first axial conductive units interconnected by a plurality of first axial conductive wires. Each second axial conductive assembly comprises a plurality of second axial conductive units interconnected by a plurality of second axial conductive wires. At least one part of each first axial conductive wire is conductive in a horizontal direction and is insulating in the horizontal direction, and each second axial conductive wire respectively intersects with the at least one part of the corresponding first axial conductive wire.
Description
Technical field
The utility model relates to the contact panel devices field, relates more specifically to a kind of conductive pattern structure of capacitance type touch-control panel.
Background technology
Contact panel has been widely used in household electrical appliances, communication, electronic information field.The common example application of contact panel is PDA(Personal Digital Assistant), electrical equipment or game machine etc.Finger or input pen that the integrated trend of current contact panel and display panel allows the user to use are clicked the control icons that shows on the panel, to move required function at PDA(Personal Digital Assistant), electrical equipment or game machine etc.Contact panel also is used for the public information inquiry system, thinks that the public provides efficient operating system.
Existing contact panel comprises the substrate with a surface, is distributed with a plurality of induction zones on this surface, and described a plurality of induction zones are used for the signal that the touch of sensing and user's finger or input pen is associated, to realize input and to control.Described a plurality of induction zone is made by a plurality of nesa coatings (such as indium tin oxide (ITO)), and the tangible nesa coating corresponding with the ad-hoc location that illustrates on the display panel of user thus is to realize the operation of equipment.
The contact panel of common type comprises the contact panels such as resistance-type, condenser type, infrared type, electromagnetic type, sound wave type.The capacitance variations that the capacitance type touch-control panel utilization causes between transparency electrode and static electricity on human body is come generation current, can identify touch location based on this.Capacitance type touch-control panel has advantage aspect the transparency, hardness, precision, response time, touch-control cycle, working temperature, the startup acting force, and the most commonly used at present thus.
Touch the position of contact panel in order to detect finger or input pen, developed various capacitance type touch-control panel technology.An example is US Patent No. 6,970,160, and it discloses a kind of grid touch sensing system, for detection of the position that touches in tactile surface.Described grid touch sensing system can comprise that wherein each capacitive sensing layer is made of substantially parallel a plurality of conducting elements by two capacitive sensing layers of insulating material isolation, and the conducting element of two capacitive sensing layers is basic mutually vertical.Each conducting element can comprise a series of rhombus sheets that link together by narrow conduction rectangle band.Each conducting element of given capacitive sensing layer at one end or two ends be electrically connected on corresponding one group the lead-in wire in a lead-in wire.Also control circuit can be set, via the respective sets lead-in wire excitation signal is offered two groups of conducting elements, receive the sensing signal that is produced by conducting element when occur touching from the teeth outwards, and determine touch location based on the position of affected a plurality of touch-control bars (bar) in each layer.
US Patent No. 4,233,522 disclose a kind of capacitance type touch-control panel, and it comprises the touch sensible switch unit array.Each touch sensible switch element comprises first pair of series capacitor and the second pair of series capacitor by the global semaphore source forcing, described touch sensible switch unit array is arranged to first pair of capacitor and connects (for example embarking on journey) in corresponding more than first signal detector in first group of touch sensible switch element, and second pair of capacitor connects (for example becoming row) in corresponding more than second signal detector in second group of touch sensible switch element.Each of single touch sensible switch element touches optionally ground connection of capacitive means to the node of capacitor by body or other, to be used for activating selected touch sensible switch element.
US Patent No. 4,733,222 disclose a kind of capacitance variations sensitive touch induction arrays system, and it comprises electrod-array, drive wire array, drive signal generator and line of induction array.Each electrode is a plurality of conducting strips of connecting and the row or column that forms electrod-array.Be coupled to each drive wire capacitive described a plurality of electrode.Drive signal generator produces and uses a plurality of alternating signal bags to described many drive wires.Be coupled to line of induction capacitive described a plurality of electrode, thereby described a plurality of signals are derived from described a plurality of electrodes when described a plurality of driving signals are administered to described a plurality of drive wire.The quantity of described a plurality of electrodes equals the quantity of described a plurality of drive wires and the amassing of quantity of described a plurality of lines of induction.Based on the value that the signal from described a plurality of lines of induction is derived, microprocessor provides the information that is associated with operator's touch.
US Patent No. 5,880,411 disclose a kind of method of coming recognizing site by the conductive body of making on the touch sensitive panel.A plurality of signals send to the control circuit of main frame, with the identification touch location.US Patent No. 6,414,671 and US5,374,787 disclose same technology.
US Patent No. 7,030,860 disclose a kind of transparent electric capacity induction system, and it is particularly suitable for the input of electronic equipment.Capacitive transducer can further be used as input media for graphic user interface, if when especially capacitive transducer is laid on the top of display device (for example LCD display) sensing finger position and the touch area on display screen.
US Patent No. 5,459,463 disclose a kind of device and a kind of transparent keyboard in conjunction with this device for the object that is in close surveyed area is positioned.This device comprises: first group of surveyed area is connected to each other to form a plurality of row that are parallel to each other and extend and extend to surveyed area; Second group of surveyed area is connected to each other to form and the vertically extending a plurality of row of described a plurality of row; Scanister is applied to described a plurality of row and described a plurality of row with electric signal; And the device of determining object's position by described scanister.
US Patent No. 6,498,590 disclose a kind of multi-user's touch-control system, and it comprises a surface, forms a plurality of antennas on this surface.Transmitter is transmitted to respectively respective antenna with the discernible signal of a plurality of uniquenesses.A plurality of receiver electric capacity are coupled to different users, and described a plurality of receiver is configured to receive respectively the discernible signal of described a plurality of uniqueness.Subsequently, when a plurality of users touched arbitrary antenna simultaneously, processor was so that specific antenna is related with specific user.
US Patent No. 5,847,690 disclose a kind of integrated demonstration induction installation, and its a plurality of liquid crystal display cells with LCD MODULE are integrated, with for detection of the input on panel display screen.
All above-mentioned prior art documents provide and have detected the instruction that the user touches at contact panel, and all comprise the touch sensible component structure.Yet these known devices also all are to comprise two capacitive sensing layers that utilize insulating material to be isolated from each other, to realize capacity effect between two capacitive sensing layers.This is so that the structure of panel is very thick and run in the opposite direction with the trend of miniaturization thus.In addition, existing capacitance type touch-control panel is included in the substrate that forms respectively the capacitive sensing layer on two surfaces.In this respect, a plurality of through holes must be formed on the substrate, with as path, and must adopt circuit layer to establish, with a plurality of conducting elements in two capacitive sensing layers of exact connect ion.This is so that make the capacitance type touch-control panel complicated.
Thus, wish to have a kind of capacitance type touch-control panel, it can overcome the defects of existing capacitance type touch-control panel.
Summary of the invention
Thus, the purpose of this utility model is to provide a kind of conductive pattern structure of capacitance type touch-control panel, a kind of conductive pattern structure of capacitance type touch-control panel, this conductive pattern structure comprises: a plurality of the first axial conduction assemblies, each first axial conduction assembly comprise a plurality of the first axial conduction unit that are axially disposed within on the side surface of a rigid substrates along first; Many the first axial conduction lines are connected between the first adjacent axial conduction unit of corresponding the first axial conduction assembly; A plurality of the second axial conduction assemblies, each second axial conduction assembly comprise a plurality of the second axial conduction unit that are axially disposed within on the described side surface of described rigid substrates along second; Many the second axial conduction lines are connected between the second adjacent axial conduction unit of corresponding the second axial conduction assembly and intersect with described many first axial conduction lines respectively; And the electric capacity between the first axial conduction unit and the second axial conduction unit is for detection of touch location; Wherein, at least a portion of each first axial conduction line or each the second axial conduction line is in the closure conduction that connects the first corresponding axial conduction unit or the second axial conduction unit and insulate in the direction vertical with closure, and each second axial conduction line or each the first axial conduction line intersect with corresponding the first axial conduction line or described at least a portion of the second axial conduction line respectively.
According to above-mentioned purpose of the present utility model, wherein, at least a portion of the upper surface of described many first axial conduction lines is processed by surface insulation and is formed insulating cover in described at least a portion of the upper surface of each the first axial conduction line.
According to above-mentioned purpose of the present utility model, wherein, at least a portion of the lower surface of described many second axial conduction lines is processed by surface insulation and is formed insulating cover in described at least a portion of the lower surface of each the second axial conduction line.
According to above-mentioned purpose of the present utility model, wherein, described many first axial conduction lines are by making with the metal of insulating metal oxide layer, and described insulating metal oxide layer is formed at least a portion of upper surface of each first axial conduction line.
According to above-mentioned purpose of the present utility model, wherein, described many first axial conduction lines are made by copper, aluminium, iron, tin, silver or their combination.
According to above-mentioned purpose of the present utility model, wherein, described many second axial conduction lines are by making with the metal of insulating metal oxide layer, and described insulating metal oxide layer is formed at least a portion of upper surface of each first axial conduction line.
According to above-mentioned purpose of the present utility model, wherein, described many second axial conduction lines are made by copper, aluminium, iron, tin, silver or their combination.
According to above-mentioned purpose of the present utility model, wherein, at least a portion of described many first axial conduction lines or many second axial conduction lines is made by anisotropic conductive material.
According to above-mentioned purpose of the present utility model, wherein, described many first axial conduction lines or many second axial conduction lines are anisotropic conductive film.
According to above-mentioned purpose of the present utility model, wherein, described many first axial conduction lines or many second axial conduction lines are made by anisotropically conducting adhesive.
According to above-mentioned purpose of the present utility model, wherein, described a plurality of the first axial conduction unit and described a plurality of the second axial conduction unit are made by transparent conductive material.
According to the utility model, a plurality of the first axial conduction body assemblies and a plurality of the second axial conduction assembly that consist of the conductive pattern structure of described capacitance type touch-control panel are formed on the surface, the same side of substrate, simplify the structure thus and have reduced the thickness of described conductive pattern structure.When the conductive unit of the conductive unit of the first axial conduction assembly adjacent one another are and the second axial conduction body assembly during by user's finger touch, the zone of the adjacent conductive unit that response user's finger is conflicted, produce the capacitance variations signal, this capacitance variations signal imposes on control circuit subsequently, with identification user's the position of finger touch panel.By the custom circuit laying technology, described a plurality of first axial conduction body assemblies of described conductive pattern structure and described a plurality of the second axial conduction body assembly can be formed on only surface of described substrate.Thus, the utility model simply technique is implemented, and has simultaneously high yield rate and low cost.
Description of drawings
By reading with reference to the accompanying drawings the following explanation of the utility model preferred embodiment, those of ordinary skills will know and understand the utility model.In the accompanying drawings:
Fig. 1 is the planimetric map according to the conductive pattern structure of the capacitance type touch-control panel of the utility model the first embodiment.
Fig. 1 a is the cut-open view of the first axial conduction line of adopting in the first embodiment.
Fig. 2 is according to the planimetric map of the conductive pattern structure of the capacitance type touch-control panel of the utility model the second embodiment.
Fig. 2 a is the cut-open view of the first axial conduction line of adopting in a second embodiment.
Fig. 3 is the planimetric map according to the conductive pattern structure of the capacitance type touch-control panel of the utility model the 3rd embodiment.
Fig. 3 a is the cut-open view of the second axial conduction line of adopting in the 3rd embodiment.
Fig. 3 b is the cut-open view cut-open view of the second axial conduction line of adopting in the 4th embodiment.
Fig. 4 is according to the planimetric map of the conductive pattern structure of the capacitance type touch-control panel of the utility model the 5th embodiment.
Fig. 4 a is the first axial conduction line of adopting in the 5th embodiment and the 3-D view of the second axial conduction line.
Fig. 5 is the planimetric map according to the conductive pattern structure of the capacitance type touch-control panel of the utility model the 6th embodiment.
Fig. 5 a is the first axial conduction line of adopting in the 6th embodiment and the 3-D view of the second axial conduction line.
Embodiment
Fig. 1 and Fig. 1 a illustrate the conductive pattern structure of the capacitance type touch-control panel of the utility model the first embodiment.With reference to Fig. 1, the first axial conduction unit 31 connects by the first axial conduction line 33 with being connected; The second axial conduction unit 51 connects by the second axial conduction line 53 with being connected; And first axial conduction line 33 and the second axial conduction line 53 intersect.As shown in Figure 1a, the upper surface of the first axial conduction line 33 forms insulation course 332 by insulation processing, so that the first axial conduction line 33 and 53 insulation of the second axial conduction line.Preferably, the first axial conduction line 33 and the second axial conduction line 53 can be made by metal (metal that insulate in electric property such as copper, aluminium, iron, indium, tin, silver or their combination or any other its oxide), and described insulation processing can be oxidation processes, acidification or basification.Preferably, the first axial conduction line 33 is formed by metal trace.Insulation course 332 shown in Fig. 1 a can be formed by following steps: form the first axial conduction line 33 at the rigidity transparency carrier (not shown) such as glass, will be exposed to the rigid substrates of the first axial conduction line 33 certain hour under the oxidizing atmosphere.Within this time, the upper surface of the first axial conduction line 33 is oxidized, to form metal oxide layer 332 at this upper surface.
When described upper surface forms insulation course 332, the first axial conduction line 33 conducts electricity in the horizontal direction and in vertical direction (above-below direction) insulation, insulate the first axial conduction unit 31 and 32 is electrically connected and makes the first axial conduction unit 31 and the 32 and second axial conduction line 53.Thus, need not between the first axial conduction line 33 and the second axial conduction line 53, insulation component to be set, and the thickness of the conductive pattern structure of described capacitance type touch-control panel reduces and manufacture process is simplified, because need not to consider between the first axial conduction line 33 and the second axial conduction line 53, to arrange the process of insulation component, therefore can reduce the cost for the manufacture of the conductive pattern structure.
Fig. 2 illustrates the conductive pattern structure of the capacitance type touch-control panel of the second embodiment.One-piece construction and the first embodiment are similar, do not cover the whole surface of the first axial conduction line 33 but difference is insulation course 331.Shown in Fig. 2 a, insulation course 331 is formed on the upper surface of the first axial conduction line 33 and covers the part of the first axial conduction line 33.Preferably, insulation course 331 is formed on the intersecting area place of the first axial conduction line 33 and the second axial conduction line 53 and larger than described intersecting area.Insulation course 331 shown in Fig. 2 a can be formed by following steps: the side surface at a rigid substrates forms the first axial conduction line 33, mask layer is being set, to cover the upper surface of the first axial conduction line 33 except intersecting area; To be exposed to certain hour under the oxidizing atmosphere with the rigid substrates of the first axial conduction line 33 and described mask layer; Then remove described mask layer.
By Fig. 3 and Fig. 3 a and Fig. 3 b the third and fourth embodiment is shown.The second embodiment shown in conductive pattern structure and Fig. 2 and Fig. 2 a is similar.Difference is that insulation course 531 is formed on the lower surface of the second axial conduction line 53.
In alternate embodiment, the lower surface of the upper surface of the first axial conduction line 33 and the second axial conduction line 53 or one of can comprise continuous insulation layer or partial insulative layer.What those skilled in the art will appreciate that is that all these modification will be in design of the present utility model and the scope.
Fig. 4 and Fig. 4 a illustrate the conductive pattern structure of the capacitance type touch-control panel of the 5th embodiment.As shown in Figure 4, conductive pattern structure and the first embodiment are similar.Difference is, the first axial conduction line 33 is made by anisotropic conductive material, and on the lower surface of the upper surface of the first axial conduction line 33 or the second axial conduction line 53 the naked layer.Fig. 4 a shows the first axial conduction line 33 of in this embodiment employing and the 3-D view of the second axial conduction line 53.Under three-dimensional system of coordinate, the first axial conduction line 33 is in A-A direction (directions X) and B-B direction (Y-direction) conduction and at the upper electrical isolation of C-C direction (Z direction).The first axial conduction line 33 can be made by anisotropic conductive material (such as the anisotropy carbon nano tube compound material) or with the anisotropic conductive metal film of insulating surface.Preferably, the first axial conduction line 33 can be made by anisotropic conductive film.Anisotropic conductive film can form by conductive particle being added to the insulation adhering resin.And the insulation adhering resin is optional from thermoset resin or thermoplastic resin or their combinations, such as polyvinyl butyral, polyvinyl formal, Pioloform, polyvinyl acetal, polyamide, phenoxy resin, polysulfones, epoxy or acrylate-based resin; Conductive particle can be selected from: carbon, silver, copper, nickel, gold, tin, zinc, platinum, palladium, iron, tungsten, molybdenum, carbon nano-tube or their combination; The shape of conductive particle can be sphere, ellipsoid, cylinder or crystal.The first axial conduction line 33 can be made by anisotropically conducting adhesive, such as the compound substance of macromolecule polyalcohol and conductive particle; Macromolecule polyalcohol can be selected from epoxy, and conductive particle can be selected from carbon, silver, copper, nickel, gold, tin, zinc, platinum, palladium, iron, tungsten, molybdenum, carbon nano-tube or their combination.
Fig. 5 and Fig. 5 a illustrate the conductive pattern structure of the utility model the 6th embodiment.This conductive pattern structure and the 5th embodiment shown in Figure 4 are similar.Difference is that the first axial conduction line 33 comprises the anisotropy section 34 of being made by anisotropic conductive material.Shown in Fig. 5 a, anisotropy section 34 is positioned at the intersection of the first axial conduction line 33 and the second axial conduction line 53, and preferably slightly large than intersecting area.Anisotropy section 34 can be made by the anisotropic conductive material that is applied to the first axial conduction line shown in the 5th embodiment.
In those and the similar conductive pattern structure of the above-mentioned the 5th and the 6th embodiment, because one of the first axial conduction line and second axial conduction line comprise anisotropic conductive material, this anisotropic conductive material insulate at above-below direction (the C-C direction shown in Fig. 4 a) in left and right directions (the A-A direction shown in Fig. 4 a) conduction, so the first axial conduction line 33 and 53 insulation of the second axial conduction line, and need not between the first axial conduction line 33 that intersects and the second axial conduction line 53, insulation component to be set.Thus, can reduce the thickness of the conductive pattern structure of capacitance type touch-control panel.Simultaneously, simplify the manufacture process of conductive pattern structure, because can be omitted in the intersection of the first axial conduction line and the second axial conduction line the process of insulation component is set, and reduced the cost of making the conductive pattern structure.
In alternate embodiment, the first axial conduction line and second axial conduction line one or both of can be made by anisotropic conductive material, and perhaps the part of the part of the first axial conduction line or the second axial conduction line is made by anisotropic conductive material.What those skilled in the art will appreciate that is that all these modification will fall in design of the present utility model and the scope.
In the above-described embodiments, the electric capacity between the first axial conduction unit and adjacent the second axial conduction unit is measured, to detect touch location.When capacitance type touch-control panel of the present utility model is touched, be touched and produce mutual capacitance between regional the first axial conduction unit that covers and the second axial conduction unit, this mutual capacitance is sent to control circuit by the first axial signal transmssion line and the second axial signal transmssion line respectively, calculate this regional particular location that is touched by this control circuit, be touch location.
Although by preferred embodiment the utility model has been described, it will be obvious to those skilled in the art that in the situation of the scope of the present utility model that does not break away from the claim restriction of enclosing, can make various modifications and variations.
Claims (9)
1. the conductive pattern structure of a capacitance type touch-control panel, this conductive pattern structure comprises:
A plurality of the first axial conduction assemblies, each first axial conduction assembly comprise a plurality of the first axial conduction unit that are axially disposed within on the side surface of a rigid substrates along first;
Many the first axial conduction lines are connected between the first adjacent axial conduction unit of corresponding the first axial conduction assembly;
A plurality of the second axial conduction assemblies, each second axial conduction assembly comprise a plurality of the second axial conduction unit that are axially disposed within on the described side surface of described rigid substrates along second;
Many the second axial conduction lines are connected between the second adjacent axial conduction unit of corresponding the second axial conduction assembly and intersect with described many first axial conduction lines respectively; And the electric capacity between the first axial conduction unit and the second axial conduction unit is for detection of touch location;
Wherein, at least a portion of each first axial conduction line or each the second axial conduction line is in the closure conduction that connects the first corresponding axial conduction unit or the second axial conduction unit and insulate in the direction vertical with closure, and each second axial conduction line or each the first axial conduction line intersect with corresponding the first axial conduction line or described at least a portion of the second axial conduction line respectively.
2. the conductive pattern structure of capacitance type touch-control panel as claimed in claim 1, wherein, at least a portion of the upper surface of described many first axial conduction lines is processed by surface insulation and is formed insulating cover in described at least a portion of the upper surface of each the first axial conduction line.
3. the conductive pattern structure of capacitance type touch-control panel as claimed in claim 1 or 2, wherein, at least a portion of the lower surface of described many second axial conduction lines is processed by surface insulation and is formed insulating cover in described at least a portion of the lower surface of each the second axial conduction line.
4. the conductive pattern structure of capacitance type touch-control panel as claimed in claim 2, wherein, described many first axial conduction lines are by making with the metal of insulating metal oxide layer, and described insulating metal oxide layer is formed at least a portion of upper surface of each first axial conduction line.
5. the conductive pattern structure of capacitance type touch-control panel as claimed in claim 3, wherein, described many second axial conduction lines are by making with the metal of insulating metal oxide layer, and described insulating metal oxide layer is formed at least a portion of upper surface of each first axial conduction line.
6. the conductive pattern structure of capacitance type touch-control panel as claimed in claim 1, wherein, at least a portion of described many first axial conduction lines or many second axial conduction lines is made by anisotropic conductive material.
7. the conductive pattern structure of capacitance type touch-control panel as claimed in claim 6, wherein, described many first axial conduction lines or many second axial conduction lines are anisotropic conductive film.
8. the conductive pattern structure of capacitance type touch-control panel as claimed in claim 6, wherein, described many first axial conduction lines or many second axial conduction lines are made by anisotropically conducting adhesive.
9. the conductive pattern structure of capacitance type touch-control panel as claimed in claim 1, wherein, described a plurality of the first axial conduction unit and described a plurality of the second axial conduction unit are made by transparent conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220340923 CN202748763U (en) | 2012-07-13 | 2012-07-13 | Conductive pattern structure of capacitance type touch panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220340923 CN202748763U (en) | 2012-07-13 | 2012-07-13 | Conductive pattern structure of capacitance type touch panel |
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| CN202748763U true CN202748763U (en) | 2013-02-20 |
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| CN 201220340923 Expired - Fee Related CN202748763U (en) | 2012-07-13 | 2012-07-13 | Conductive pattern structure of capacitance type touch panel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890589A (en) * | 2012-07-13 | 2013-01-23 | 宸鸿光电科技股份有限公司 | Conductive pattern of capacitive touch panel and construction method for conductive pattern |
| CN103176677A (en) * | 2013-03-06 | 2013-06-26 | 南昌欧菲光科技有限公司 | Touch screen conductive structure and manufacturing method |
| CN103176678A (en) * | 2013-03-06 | 2013-06-26 | 南昌欧菲光科技有限公司 | Conductive grid bridging structure and manufacturing method thereof |
| CN104423667A (en) * | 2013-08-30 | 2015-03-18 | Lg伊诺特有限公司 | Touch tablet and display |
-
2012
- 2012-07-13 CN CN 201220340923 patent/CN202748763U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890589A (en) * | 2012-07-13 | 2013-01-23 | 宸鸿光电科技股份有限公司 | Conductive pattern of capacitive touch panel and construction method for conductive pattern |
| CN102890589B (en) * | 2012-07-13 | 2015-11-04 | 宸鸿光电科技股份有限公司 | The conductive pattern structure of capacitance type touch-control panel and building method thereof |
| CN103176677A (en) * | 2013-03-06 | 2013-06-26 | 南昌欧菲光科技有限公司 | Touch screen conductive structure and manufacturing method |
| CN103176678A (en) * | 2013-03-06 | 2013-06-26 | 南昌欧菲光科技有限公司 | Conductive grid bridging structure and manufacturing method thereof |
| CN103176677B (en) * | 2013-03-06 | 2014-06-18 | 南昌欧菲光科技有限公司 | Touch screen conductive structure and manufacturing method |
| CN104423667A (en) * | 2013-08-30 | 2015-03-18 | Lg伊诺特有限公司 | Touch tablet and display |
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Granted publication date: 20130220 Termination date: 20210713 |