CN103761017A - Electronic equipment and manufacturing method for single-layered multipoint capacitive touch screen and touch layer - Google Patents
Electronic equipment and manufacturing method for single-layered multipoint capacitive touch screen and touch layer Download PDFInfo
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- CN103761017A CN103761017A CN201410012853.7A CN201410012853A CN103761017A CN 103761017 A CN103761017 A CN 103761017A CN 201410012853 A CN201410012853 A CN 201410012853A CN 103761017 A CN103761017 A CN 103761017A
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Abstract
The invention discloses electronic equipment and a manufacturing method for a single-layered multipoint capacitive touch screen and a touch layer thereof. The single-layered multipoint capacitive touch screen comprises a panel and a screen module, wherein a transparent optical adhesive layer is arranged between the panel and the screen module; a BM (basement membrane) frame layer is arranged on the frame of the panel; the screen module comprises an upper polaroid, an upper glass substrate, a lower glass substrate, a lower polaroid and a backlight plate which are sequentially arranged in a stacked manner from top to bottom and are adhered to one another; a metal conductive ink circuit layer is arranged between the panel and the screen module or in the screen module and comprises a plurality of touch units which are arranged in parallel; and each touch unit is independently provided with a lead connected with a processor. The single-layered multipoint capacitive touch screen is sensitive in touch, high in accuracy and wide in application range; the manufacturing method for the touch layer of the single-layered multipoint capacitive touch screen is simple; the touch layer is low in cost, and is energy-saving and environment-friendly; and the using convenience and the reliability of the electronic equipment with the touch screen are improved.
Description
Technical field
The invention belongs to touch screen structure technical field, relate in particular to the manufacture method of a kind of individual layer multiple spot capacitive touch screen and touch control layer and the electronic equipment with this touch-screen.
Background technology
Capacitive touch screen is that the electric current induction of human body changes and comes to touch location while utilize touching.The touch technology of individual layer multipoint projection type electric capacity panel: individual layer multiple spot projected capacitive touch screen is at one deck ITO(tin indium oxide) in electro-conductive glass coating, etch the ITO conducting wire module of different directions.Etched figure in two kinds of modules, can regard X and Y-direction continually varying draw runner as them.Because X, Y framework are at different surfaces, its intersection forms a capacitive node.A draw runner can be treated as drive wire, and it is detection lines that another one draw runner is treated as.When electric current passes through a wire in drive wire, if the extraneous signal that has capacitance variations will cause the variation of capacitive node on another layer conductor so.The variation of detecting capacitance can measure by the electronic loop being attached thereto, then via A/D controller, transfers digital signal to and by computing machine, do calculation process and obtain (X, Y) shaft position, and then reaches the order ground of location.
In traditional capacitive touch screen, the general ITO that adopts is as conductive material, its method of making conductive pattern generally adopts vacuum coating+gold-tinted technique to complete, i.e. general technological process comprises vacuum coating → light blockage coating → exposure → development → etching → stripping etc.Due to the insulation course and the protective seam that generally comprise in touch screen structure between multilayer conductive circuit (containing lead line) and different layers, above-mentioned technique needs repeatedly (generally to want 4～6 times).This has brought series of problems, and as high in equipment investment, workshop area occupied is large, energy consumption is high, and development etch process need to use a large amount of soda acids and is unfavorable for environmental protection.Meanwhile, tin indium oxide is a kind of rare earth oxide, and resource is on the verge of exhaustion, and the conducting film impedance that this material is made is larger, and for the touch-screen of large-size, it touches precision and sensitivity is difficult to reach requirement.
In industry, also having some companies or research institution to deliver ITO(tin indium oxide) equivalent material makes the method for touch-screen, as adopt CNT, metal grill, nano-silver thread, conducting polymer composite etc., but material preparation difficulty or conducting film or conductive pattern are manufactured difficulty, complex process, is difficult to industrialization.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, manufacture method and the electronic equipment of a kind of individual layer multiple spot capacitive touch screen and touch control layer are provided, touch-screen impedance is low, control highly sensitive, the simple environmental protection of manufacturing process, improved and had reliability and the convenience that the electronic equipment of this touch-screen uses.
Technical scheme of the present invention is: a kind of individual layer multiple spot capacitive touch screen, comprise for pressing panel and the screen module of touch, between described panel and described screen module, be provided with described panel is sticked on to the transparent optical glue-line on described screen module, the surrounding of the one side that described panel is connected with described screen module is also provided with BM frame layer, described screen module comprises the upper polaroid that is cascading and sticks to each other from top to bottom, top glass substrate, lower glass substrate, lower polaroid and backlight, it is characterized in that, between described panel and described screen module or in described screen module, be provided with for responding to the metallic conductive inks line layer of touch information, described metallic conductive inks line layer comprises that polylith is for the touch control unit of touch control, described in each touch control unit be set up in parallel and described in each the equal Independent of touch control unit be equipped with the lead-in wire being connected with processor.
Particularly, the described metallic conductive inks line layer being arranged in described screen module is positioned on described upper polaroid or is positioned in described top glass substrate or is positioned on described lower polaroid.
Further, between described panel and described upper polaroid, be also provided with PET thin layer, the above and below of described PET thin layer is provided with respectively for the described transparent optical glue-line with described panel and described upper polaroid stickup, and described metallic conductive inks line layer is arranged on described PET thin layer.
Preferably, described metallic conductive inks line layer is the potpourri of a kind of or its binary alloy nano powder in metallic copper, argent, metallic tin and filler, solvent.
Particularly, described in each, touch control unit is formed by many roundabout bendings, end to end described metallic conductive inks line combination, and described lead-in wire is arranged between two described touch control units arranged side by side, and the live width of described metallic conductive inks line is 1～5 μ m.
The present invention also provides a kind of electronic equipment, comprises above-mentioned individual layer multiple spot capacitive touch screen.
The present invention also provides a kind of printing process of individual layer multiple spot capacitive touch screen touch control layer, comprises the steps:
Preparation process: described panel or described PET thin layer or described in polaroid or described top glass substrate or described lower polaroid arbitrarily selected one as matrix to be printed, then selected matrix described to be printed is cleaned with cleaning machine, finally with plasma electric slurry, the surface of described matrix to be printed is processed;
Print steps: the metallic conductive inks material fluid of viscosity glue is printed by high precision printing equipment, form metallic conductive inks line layer on matrix to be printed;
Roasting solid step: the matrix described to be printed that prints metallic conductive inks line layer is carried out with baking box or continuous tunnel furnace, the described metallic conductive inks line layer forming is solidified.
Particularly, in described preparation process, when the surface of described matrix to be printed is processed with plasma electric slurry, printing surface water droplet angle <30 °.
Particularly, in described print steps, printing equipment printing precision requires <1 μ m, and the described metallic conductive inks circuit minimum feature forming after printing is 1～5 μ m.
Particularly, in described roasting solid step, baking temperature is 80 ℃～250 ℃, and baking time is 10min～60min, pollution-free in case while adopting baking box baking, and temperature difference < 5% in baking box; Adopting continuous tunnel furnace curing environment is hundred grades of dust free rooms, and continuous tunnel furnace constant temperature zone temperature difference < 5%.
Individual layer multiple spot capacitive touch screen provided by the invention by the touch control layer that adopts metallic conductive inks material to make is set in panel or screen module, and is formed with a plurality of touch control units that are set up in parallel, for responding to touch information in touch control layer.The circuit precision of metallic conductive inks aboundresources, formation is high, and impedance is low, has electro-magnetic screen function, and good in anti-interference performance has improved the accuracy of the control of touch-screen.And, in screen module, thering is inter-adhesive sandwich construction, metallic conductive inks line layer can be arranged on different structural sheets, has improved the kind of touch-screen manufacture and the scope of application.
Adopt the electronic equipment of above-mentioned individual layer multiple spot capacitive touch screen, this individual layer multiple spot capacitive touch screen touch-control precisely, be quick on the draw, and meet the requirement that large scale touch-screen and narrow-frame touch panel are produced, improved the kind model of the electronic equipment with this touch-screen and the reliability of use.
Adopt the printing process of above-mentioned individual layer multiple spot capacitive touch screen touch control layer, the cost of material is low for the method, typography simple, can save large number quipments cost, and, also avoid producing waste gas waste water, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the front view of the individual layer multiple spot capacitive touch screen that provides of the embodiment of the present invention;
Fig. 2 is the schematic diagram of touch control unit in the metallic conductive inks line layer that provides of the embodiment of the present invention;
Fig. 3 is that the metallic conductive inks line layer that the embodiment of the present invention provides is arranged on the diagrammatic cross-section on panel;
Fig. 4 is that the metallic conductive inks line layer that the embodiment of the present invention provides is arranged on the diagrammatic cross-section on polaroid;
Fig. 5 is that the metallic conductive inks line layer that the embodiment of the present invention provides is arranged on the diagrammatic cross-section in top glass substrate;
Fig. 6 is that the metallic conductive inks line layer that the embodiment of the present invention provides is arranged on the diagrammatic cross-section on lower polaroid;
Fig. 7 is that the metallic conductive inks line layer that the embodiment of the present invention provides is arranged on the diagrammatic cross-section on PET thin layer.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1 to Figure 3; a kind of individual layer multiple spot capacitive touch screen 1 that the embodiment of the present invention provides; comprise for pressing panel 100 and the screen module 200 of touch; between panel 100 and screen module 200, be provided with transparent optical glue-line 300; transparent optical glue-line 300 can also play panel 100 is sticked on to the effect on screen module 200 in the situation that guaranteeing transmittance; the panel 100 connecting not only can be directly used in touch, can also protect screen module 200.The surrounding of the one side that panel 100 is connected with screen module 200 is also provided with the 400 (abbreviation of BM:Black Matrix of BM frame layer, the Chinese meaning is black matrix"), BM frame layer have improve color contrast to, reduce the effects such as light leak, be arranged on the surrounding of panel 100, be used for separating color layer, make the display effect of whole touch-screen better, color is more bright-coloured.Screen module 200 comprises from top to bottom and being cascading, and the upper polaroid 210 sticking to each other, top glass substrate 220, lower glass substrate 230, lower polaroid 240 and backlight 250.Upper polaroid 210 passes through for limiting the polarized light of certain orientation, top glass substrate 220 and the bonding preservation liquid crystal of lower glass substrate 230 uniform optical filter, lower glass substrate 230 is with the bonding preservation liquid crystal of top glass substrate 220 and place array line, lower polaroid 240 passes through for limiting the polarized light of certain orientation, backlight 250 is for providing light source, by so stacked combination, form the basic structure of touch-screen.Between panel 100 and screen module 200 or in screen module 200, be provided with for responding to the metallic conductive inks line layer 500 of touch information, metallic conductive inks line layer 500 comprises that polylith is for the touch control unit 510 of touch control, and each touch control unit 510 is set up in parallel and the equal Independent of each touch control unit 510 is equipped with the lead-in wire 520 being connected with processor (not shown).Like this, when user's finger touch is during to certain location point on screen, can be from corresponding touch control unit 510 output signals, when finger moves to another location point, again can be from other touch control unit 510 output signals, or multiple spot is simultaneously during touching device curtain, corresponding different touch control units 510 are output signal simultaneously just, the signal that lead-in wire 520 can produce each touch control unit 510 flows to processor, and then realizes the function of touching device multiple point touching operation.
Particularly, in the present invention, adopt aboundresources, cheap metal or alloy material be main electrically conductive ink as conductive material, be used for making the touch control layer of individual layer multiple spot capacitive touch screen 1.This conductive material may reside in the different structure layer of product, reaches the function of touch detection.Metallic conductive inks is a kind of novel conductive material, than traditional ITO(tin indium oxide), possess Low ESR advantage.Lowest surfaces resistance can reach 0.1 Ω/ (Ω/ Wei Mian resistance unit) in theory, and possesses electro-magnetic screen function, can reduce signal and disturb; And the sheet resistance of the ITO material of conventional capacitive touch screen is approximately 50～100 Ω/.Impedance is too high, can cause signal source to be disturbed more; Impedance reduces, and also means that producible touch-screen size is larger, and metallic conductive inks even can be used for producing the capacitive touch screen of 100inch.Meanwhile, the precision that can produce circuit is higher, and live width is less.Conventional ITO live width minimum is generally 20～30 μ m, and metallic conductive inks live width minimum can be accomplished 2～5 μ m, can be used to the circuit that production precision is higher, density is larger, as narrow-frame touch panel etc., the range of application of the touch-screen of raising.The sensitivity of touch-screen touch-control and the touch-control accuracy of making are high, have guaranteed the reliability of using.
Individual layer multiple spot capacitive touch screen 1 provided by the invention, adopt aboundresources, cheap metallic conductive inks material to make for responding to the touch control layer of touch information, metallic conductive inks layer is arranged in the different structure layer of touch-screen, reaches the function of touch detection.Its Low ESR, can be used to the circuit that production precision is higher, density is larger, compared with prior art, compares, it can not only be applied on large-sized screen, and the circuit live width of making is less, can also be used for producing the touch-screen that squeezes frame, improved the kind of touch-screen making and the reliability of use.
Particularly, as shown in Figures 3 to 6, the metallic conductive inks line layer 500 being arranged in screen module 200 is positioned on polaroid 210 or is positioned in top glass substrate 220 or is positioned on lower polaroid 240.Screen module 200 has the layer structure that multilayer is different, when actual production is manufactured, can select metallic conductive inks layer to be arranged on the layer needing according to concrete production requirement, be in the touch control layer on different layers, can realize reliably equally the function that touch-screen multipoint operation is controlled, and metallic conductive inks to be arranged on different layers upper, also increased accordingly kind that touch-screen makes and the scope of application.
Further, as shown in Figure 7, between 210 of panel 100 and upper polarisations, being also provided with PET thin layer 600(PET film has another name called: high temperature resistance polyester film), the above and below of PET thin layer 600 is provided with the transparent optical glue-line 300 for pasting with panel 100 and upper polaroid 210 respectively.During making, 500 of metallic conductive inks line layers can be arranged on PET thin layer 600, when pressing touch panel 100, the metallic conductive inks layer being arranged on PET thin layer 600 can produce corresponding curent change equally, and then realizes corresponding operation and control function.Meanwhile, PET film can also play the effect of blow-out disc, possesses certain impact resistance, has guaranteed the security that touch-screen is used.
Preferably, metallic conductive inks line layer 500 is the potpourri of a kind of or its binary alloy nano powder in metallic copper, argent, metallic tin and filler, solvent.These rich material resources, cheap, by certain technique, be printed on corresponding layer, on each layer, form the circuit of many roundabout bendings or form latticed circuit or form as requested the circuit of other shape, and the circuit fine degree forming is high, can be used to produce the circuit that touch-control accuracy requirement is higher, density is larger, as squeezed frame, high touch-control precision capacitive touch screen etc.Meanwhile, the circuit that adopts metallic conductive inks to make, lowest surfaces resistance can reach 0.1 Ω/ in theory, and possesses electro-magnetic screen function, can reduce signal and disturb, and even can be used for producing the capacitive touch screen of 100inch, applied range.
Particularly, as shown in Figure 2, each touch control unit 510 is formed by many roundabout bendings, end to end metallic conductive inks line combination, and lead-in wire 520 is arranged between two touch control units 510 arranged side by side, and the live width of metallic conductive inks line is 1～5 μ m.Lead-in wire 520 is arranged between two touch control units 510 arranged side by side.By the roundabout bending of metallic conductive inks circuit, end to end setting, and the live width of circuit is 1～5 μ m, circuit is meticulousr, increase the contact area of metallic conductive inks circuit, then by going between, 520 control signal has been exported, guaranteed the sensitivity that operation is controlled.
The present invention also provides a kind of electronic equipment, comprises above-mentioned individual layer multiple spot capacitive touch screen 1.Individual layer multiple spot capacitive touch screen 1 touch-control is accurate, and reaction sensitivity is high, and the kind of touch-screen is many, can make undersized screen, also can be large-sized screen, can also be made into squeezing frame, improve the kind model of the some subset with this touch-screen and the reliability of use.
The present invention also provides the printing process of a kind of individual layer multiple spot capacitive touch screen 1 touch control layer, individual layer multiple spot capacitive touch screen 1 comprises panel 100 and screen module 200, between panel 100 and screen module 200, be provided with for by the transparent optical glue-line 300 of panel 100 and 200 adhesions of screen module, in transparent optical glue-line 300, be provided with PET thin layer 600, screen module 200 comprises from top to bottom and being cascading, and the upper polaroid 210 sticking to each other, top glass substrate 220, lower glass substrate 230, lower polaroid 240 and backlight 250, by printing process, on any one deck in panel 100 or PET thin layer 600 or upper polaroid 210 or top glass substrate 220 or lower polaroid 240, be printed with for responding to the touch control layer of touch information, touch control layer is metallic conductive inks line layer 500, printing process comprises the steps:
Preparation process: according to designing requirement, panel 100 or PET thin layer 600 or in polaroid 210 or top glass substrate 220 or lower polaroid 240 arbitrarily selected one as matrix to be printed, then selected matrix to be printed is cleaned (when metallic conductive inks being printed on panel 100 with cleaning machine, just counter plate 100 first cleans), finally with the surface that plasma electric slurry is treated printed substrate, process.
Print steps: the metallic conductive inks material fluid of viscosity glue is printed by high precision printing equipment, on matrix to be printed, form metallic conductive inks line layer 500, the principal ingredient of metallic conductive inks material is nano-level conducting ink, appearance agent, spreading agent, levelling agent, hardening agent.
Roasting solid step: the matrix to be printed that prints metallic conductive inks line layer 500 is carried out with baking box or continuous tunnel furnace, the metallic conductive inks line layer 500 forming is solidified.
Particularly, lead-in wire 520 also needs to be flexible PCB by FPC(FPC, not shown) be electrically connected to processor.After adopting above-mentioned printing process that metallic conductive inks layer is printed on panel 100, then bind with FPC, and then fit with liquid crystal display, form module.And on metallic conductive inks being printed on according to specific requirement to corresponding certain of screen module 200 layer time, after being completed for printing, first with FPC binding, after assembling liquid crystal display again with panel 100 laminatings, form module.And when metallic conductive inks being printed on PET thin layer 600, after being completed for printing, first with FPC binding, then PET film first with panel 100 by OCA(transparent optical cement) fit, then with liquid crystal display by the OCA formation module of fitting.Number of assembling steps after being completed for printing, can carry out concrete selection according to actual conditions.
Particularly, in preparation process, while processing with the surface that plasma electric slurry is treated printed substrate, printing surface water droplet angle <30 °.Like this, while making plasma electric slurry carry out polishing on the surface for the treatment of printed substrate (as panel 100, upper polaroid 210, top glass substrate 220 etc.), the surface treatment of matrix to be printed can be obtained more evenly, smooth, for next step carries out type metal electrically conductive ink, give security.
Particularly, in print steps, printing equipment printing precision requires <1 μ m, and the metallic conductive inks circuit minimum feature forming after printing is 1～5 μ m.By such setting, can be more meticulous in order to the circuit live width of guaranteeing to make by printing, line density is higher, the requirement to conducting wire while squeezing frame, the production of high touch-control precision capacitive touch screen to meet.
Particularly, in roasting solid step, baking temperature is 80 ℃～250 ℃, and baking time is 10min～60min, and while adopting baking box baking, baking box is pollution-free, and temperature difference < 5% in baking box; Adopting continuous tunnel furnace curing environment is hundred grades of dust free rooms, and continuous tunnel furnace constant temperature zone temperature difference < 5%.Print as requested after metallic conductive inks, need to carry out baking-curing to metallic conductive inks, to form stable metallic conductive inks layer.When baking, according to above-mentioned steps, toast, guaranteed the efficiency of baking-curing and the qualification rate of solidifying the rear touch control layer forming.
The printing process of individual layer multiple spot capacitive touch screen provided by the invention 1 touch control layer, metallic conductive inks can directly be printed on matrix to be printed with printing equipment, is then cured baking, forms circuit.This technique can be saved large number quipments cost, material cost, and operation is simple, has reduced production cost.And, adopt typography to produce, can save the energy, overcome traditional technique needs soda acid equal solvent simultaneously when printing, avoids producing a large amount of waste gas waste water, and the feature of environmental protection is good.The touch-screen making by this printing process is than traditional capacitive touch screen, has gentlier, thinner advantage.And capacitive touch screen module or single-point that this kind of printing process also can be applicable to the capacitive touch screen module of Nanometer Copper circuit or the capacitive touch screen module of electric ink circuit or Graphene circuit add gesture capacitive touch screen module, applied range.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace or improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an individual layer multiple spot capacitive touch screen, comprise for pressing panel and the screen module of touch, between described panel and described screen module, be provided with described panel is sticked on to the transparent optical glue-line on described screen module, the surrounding of the one side that described panel is connected with described screen module is also provided with BM frame layer, described screen module comprises the upper polaroid that is cascading and sticks to each other from top to bottom, top glass substrate, lower glass substrate, lower polaroid and backlight, it is characterized in that, between described panel and described screen module or in described screen module, be provided with for responding to the metallic conductive inks line layer of touch information, described metallic conductive inks line layer comprises that polylith is for the touch control unit of touch control, described in each touch control unit be set up in parallel and described in each the equal Independent of touch control unit be equipped with the lead-in wire being connected with processor.
2. individual layer multiple spot capacitive touch screen as claimed in claim 1, is characterized in that, the described metallic conductive inks line layer being arranged in described screen module is positioned on described upper polaroid or is positioned in described top glass substrate or is positioned on described lower polaroid.
3. individual layer multiple spot capacitive touch screen as claimed in claim 1, it is characterized in that, between described panel and described upper polaroid, be also provided with PET thin layer, the above and below of described PET thin layer is provided with respectively for the described transparent optical glue-line with described panel and described upper polaroid stickup, and described metallic conductive inks line layer is arranged on described PET thin layer.
4. the individual layer multiple spot capacitive touch screen as described in any one in claims 1 to 3, it is characterized in that, described metallic conductive inks line layer is the potpourri of a kind of or its binary alloy nano powder in metallic copper, argent, metallic tin and filler, solvent.
5. individual layer multiple spot capacitive touch screen as claimed in claim 4, it is characterized in that, described in each, touch control unit is formed by many roundabout bendings, end to end described metallic conductive inks line combination, described lead-in wire is arranged between two described touch control units arranged side by side, and the live width of described metallic conductive inks line is 1～5 μ m.
6. an electronic equipment, is characterized in that, comprises the individual layer multiple spot capacitive touch screen described in any one in claim 1 to 5.
7. a printing process for individual layer multiple spot capacitive touch screen touch control layer as described in claim 1～5 any one, is characterized in that, comprises the steps:
Preparation process: described panel or described PET thin layer or described in polaroid or described top glass substrate or described lower polaroid arbitrarily selected one as matrix to be printed, then selected matrix described to be printed is cleaned with cleaning machine, finally with plasma electric slurry, the surface of described matrix to be printed is processed;
Print steps: the metallic conductive inks material fluid of viscosity glue is printed by high precision printing equipment, form metallic conductive inks line layer on matrix to be printed;
Roasting solid step: the matrix described to be printed that prints metallic conductive inks line layer is carried out with baking box or continuous tunnel furnace, the described metallic conductive inks line layer forming is solidified.
8. the printing process of individual layer multiple spot capacitive touch screen touch control layer as claimed in claim 7, is characterized in that, in described preparation process, and when the surface of described matrix to be printed is processed with plasma electric slurry, printing surface water droplet angle <30 °.
9. the printing process of individual layer multiple spot capacitive touch screen touch control layer as claimed in claim 7, it is characterized in that, in described print steps, printing equipment printing precision requires <1 μ m, and the described metallic conductive inks circuit minimum feature forming after printing is 1～5 μ m.
10. the printing process of individual layer multiple spot capacitive touch screen touch control layer as claimed in claim 7, it is characterized in that, in described roasting solid step, baking temperature is 80 ℃～250 ℃, baking time is 10min～60min, pollution-free in case while adopting baking box baking, and temperature difference < 5% in baking box; Adopting continuous tunnel furnace curing environment is hundred grades of dust free rooms, and continuous tunnel furnace constant temperature zone temperature difference < 5%.
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Cited By (5)
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| CN106371686A (en) * | 2016-10-14 | 2017-02-01 | 深圳市宇顺工业智能科技有限公司 | Flexible capacitive touch screen and manufacturing method thereof |
| CN106605193A (en) * | 2014-08-20 | 2017-04-26 | 微晶片科技德国公司 | Electrode arrangement for gesture detection and tracking |
| CN108154730A (en) * | 2018-02-06 | 2018-06-12 | 郑州神龙教育装备有限公司 | Wisdom teaching display system |
| CN109062445A (en) * | 2018-09-06 | 2018-12-21 | 牧东光电科技有限公司 | A method of touch screen is prepared using abnormity cutting |
| CN113961097A (en) * | 2021-10-21 | 2022-01-21 | 深圳市嘉中电子有限公司 | Suspended touch control touch screen and production process thereof |
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