CN103677431A - Touch screen, manufacturing method for same and display device - Google Patents
Touch screen, manufacturing method for same and display device Download PDFInfo
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- CN103677431A CN103677431A CN201310751462.2A CN201310751462A CN103677431A CN 103677431 A CN103677431 A CN 103677431A CN 201310751462 A CN201310751462 A CN 201310751462A CN 103677431 A CN103677431 A CN 103677431A
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Abstract
The invention provides a touch screen, a manufacturing method for the same and a display device, and relates to the technical field of display. The problems of frequent exposure, process complexity and high cost of a conventional touch screen are solved. The touch screen comprises a transparent conductive layer arranged on a substrate, wherein the transparent conductive layer comprises first electrodes, second electrodes and leads connected with each second electrode; the first electrodes are insulated from the second electrodes; each first electrode and a plurality of second electrodes form a sensing electrode group; the opposite sides of the first and second electrodes in each sensing electrode group are at least partially toothed.
Description
Technical field
The present invention relates to display technique field, relate in particular to a kind of touch-screen and preparation method thereof, display device.
Background technology
Touch-screen is current up-to-date information input equipment, and it can be simply, facilitate, naturally realize man-machine interaction, is a kind of extremely attractive brand-new multimedia interactive equipment.
Take LCDs as example, and existing liquid crystal touch screen is divided into " On-cell " touch-screen and " In-cell " touch-screen according to the setting position of touch panel and liquid crystal panel." On-cell " touch-screen is that touch panel and liquid crystal panel separate." In-cell " touch-screen is about to touch panel and is embedded between array base palte and color membrane substrates.And no matter for " On-cell " touch-screen or " In-cell " touch-screen, its touch panel at least comprises induction electrode and drive electrode, and drive electrode and induction electrode insulation, wherein, drive electrode and induction electrode can be arranged on the both sides of insulation course, or realize insulation by other means.But it at least forms by twice composition technique.Exposure technology is complicated, cost is high, and multilayer film are unfavorable for the slimming of touch-screen.
Summary of the invention
Embodiments of the invention provide a kind of touch-screen and preparation method thereof, display device, described touch-screen is arranged on same layer by induction electrode layer and the drive electrode layer of touch panel, composition technique of its need forms, and exposure frequency is few, making is simple, cost is low.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the present invention provides a kind of touch-screen, comprising: be arranged on the transparency conducting layer on substrate, described transparency conducting layer comprises the first electrode, second electrode of mutually insulated, and the lead-in wire being connected with each second electrode; Wherein, first electrode and a plurality of the second electrode form induction electrode group, and the limit that described in each, the first electrode described in induction electrode group and the second electrode are oppositely arranged is dentation at least partly.
Optionally, each limit of described the first electrode and the second electrode is dentation.
Optionally, described in each, in induction electrode group, at least one side of the first electrode is provided with groove, the second electrode in described induction electrode group be partially submerged into described the first electrode.
Optionally, described in each, in induction electrode group, the both sides of the first electrode are respectively arranged with groove, and the second distribution of electrodes in described induction electrode group is in described the first electrode both sides, and the described groove of the corresponding embedding of the part of the second electrode.
Optionally, described the first electrode is induction electrode, and described the second electrode is drive electrode.
Optionally, described touch-screen comprises mutually the upper substrate of box and infrabasal plate, described transparency conducting layer is arranged on the exiting surface of described upper substrate, and described transparency conducting layer also comprises the third electrode being arranged between two adjacent induction electrode groups, and described third electrode and the first electrode and the second electrode insulate respectively.
Optionally, described touch-screen also comprises black matrix, and described black matrix forms at least one transparent pattern area corresponding with described circuit board pin in the position of correspondence laminating circuit board.
The embodiment of the present invention provides a kind of method for making of touch-screen, comprising:
On substrate, form the step of transparency conducting layer, wherein, described transparency conducting layer comprises the first electrode, second electrode of mutually insulated, and the lead-in wire being connected with each second electrode; Wherein, first electrode and a plurality of the second electrode form induction electrode group, and the limit that described in each, the first electrode described in induction electrode group and the second electrode are oppositely arranged is dentation at least partly.
Optionally, each limit of described the first electrode and the second electrode is dentation.
Optionally, described in each, in induction electrode group, the both sides of the first electrode are respectively arranged with groove, and described the second distribution of electrodes is in described the first electrode both sides, and the described groove of the corresponding embedding of the part of the second electrode.
Optionally, described touch-screen also comprises mutual to the upper substrate of box and infrabasal plate, and the described transparency conducting layer that forms on substrate is specially:
On the exiting surface of described upper substrate, form transparency conducting layer.
Optionally, before described formation transparency conducting layer, described method also comprises: the substrate of described upper substrate and/or described infrabasal plate is thinned.
Optionally, also comprise: form the step of black matrix, wherein, described black matrix forms at least one transparent pattern area corresponding with described circuit board pin in the position of correspondence laminating circuit board.
The embodiment of the present invention provides a kind of display device, comprises arbitrary described touch-screen that the embodiment of the present invention provides.
Embodiments of the invention provide a kind of touch-screen and preparation method thereof, display device, and the described transparency conducting layer of touch-screen comprises the first electrode of mutually insulated, the second electrode, and the lead-in wire being connected with each second electrode; Wherein, first electrode and a plurality of the second electrode form induction electrode group, the limit that described in each, the first electrode described in induction electrode group and the second electrode are oppositely arranged is dentation at least partly, can increase like this coupling area of the first electrode and the second electrode, therefore can strengthen touch signal, touch more flexibly, and only need one deck just can realize touch function, realized the lightening of product.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is existing touch-screen the first electrode and the second electrode structure schematic diagram;
A kind of transparency conducting layer schematic diagram that Fig. 2 provides for the embodiment of the present invention;
The another kind of transparency conducting layer schematic diagram that Fig. 3 provides for the embodiment of the present invention.
Reference numeral:
10-connecting line; 11-the first electrode; 12-the second electrode; 121-lead-in wire; 13-third electrode.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of touch-screen, comprising: be arranged on the transparency conducting layer on substrate, described transparency conducting layer comprises the first electrode, second electrode of mutually insulated, and the lead-in wire being connected with each second electrode; Wherein, first electrode and a plurality of the second electrode form induction electrode group, and the limit that described in each, the first electrode described in induction electrode group and the second electrode are oppositely arranged is dentation at least partly.
It should be noted that, existing touch-screen generally comprises the first electrode (can be induction electrode) and the second electrode (can be drive electrode) being arranged on substrate, and as shown in Figure 1, the first electrode 11 and the second electrode 12 transverse and longitudinals are intersected, to determine touch point, realize touch function.Further, shown in Fig. 1, being electrically connected to by connecting line 10 between each second electrode 12 of going together mutually described in each in induction electrode group, the second electrode 12 forms multirow along 101 directions, the first electrode 11 forms multiple row along 102 directions, due to the first electrode 11 and the second electrode 12 insulation, a plurality of the second electrodes that are positioned at same a line are electrically connected to by connecting line 10.
Touch-screen provided by the invention, described the first electrode and described the second electrode are at touch-control stage induction electrode and drive electrode each other, and for example, described the first electrode can be induction electrode, and described the second electrode is drive electrode; Can also be that described the first electrode is drive electrode, described the second electrode be induction electrode, and concrete structure can be determined according to the signal that offers the first electrode and the second electrode.The relative edge of described the first electrode and the second electrode is set to dentation, and the relative area between the first electrode and the second electrode increases, and further can increase the coupling area of the first electrode and the second electrode, strengthens touch signal.And the second electrode, by lead-in wire signal transmission, is electrically connected to without other films or layer structure, with respect to existing manufacture craft, has reduced the number of times of composition technique, and has only needed one deck just can realize touch function, has realized the lightening of product.
As shown in Figure 2, in the embodiment of the present invention, described transparency conducting layer comprises the first electrode 11 and second electrode 12 of mutually insulated, and lead-in wire 121, the second electrodes that are connected with each second electrode 12 are respectively by lead-in wire signal transmission separately.As shown in Figure 2, described first electrode 11 and a plurality of the second electrode 12 form induction electrode group, and the relative edge of described the first electrode 11 and the second electrode 12 is set to dentation.
In addition, in all embodiment of the present invention, need to illustrate the definition of " layer " and " pattern ", and between relation.Wherein, " layer " refers to the thin film that utilizes a certain material to utilize deposition or other techniques to produce on substrate.If should " layer " also need composition technique in the middle of whole manufacturing process, comprise at least one film " pattern " in " layer " after composition technique.Described transparency conducting layer comprises the first electrode and second electrode of mutually insulated, and wherein, the first electrode and the second electrode are " pattern ", and the first electrode and the second electrode are positioned at same layer, and it forms through a composition technique.
It should be noted that, as shown in Figure 2, each second electrode 12 in each induction electrode group is derived by different lead-in wire 121 respectively, to export corresponding coordinate signal.For example, and the arranging of lead-in wire for each the second electrode can have various ways, and it can all stretch out to same direction, can be also to stretch out to different directions as shown in Figure 2, the embodiment of the present invention only be take being elaborated as example shown in Fig. 2.
A kind of touch-screen that the embodiment of the present invention provides, described touch-screen comprises transparency conducting layer, and described transparency conducting layer comprises the first electrode, second electrode of mutually insulated, and the lead-in wire being connected with each second electrode; Wherein, first electrode and a plurality of the second electrode form induction electrode group, the limit that described in each, the first electrode described in induction electrode group and the second electrode are oppositely arranged is dentation at least partly, can increase like this coupling area of the first electrode and the second electrode, therefore can strengthen touch signal, touch more flexibly, and only need one deck just can realize touch function, realized the lightening of product.
Optionally, as shown in Figure 2, the embodiment of the present invention be take each limit of described the first electrode 11 and the second electrode 12 and is dentation and is elaborated as example.
Optionally, described in each, in induction electrode group, at least one side of the first electrode is provided with groove, described the second electrode be partially submerged into described groove.Concrete, as shown in Figure 2, the second electrode 12 be partially submerged into the first electrode 11, can further increase the coupling area of the first electrode 11 and the second electrode 12.
Preferably, described in each, in induction electrode group, the both sides of the first electrode are respectively arranged with groove, and the second distribution of electrodes in described induction electrode group is in described the first electrode both sides, and the described groove of the corresponding embedding of the part of the second electrode.As shown in Figure 2, the both sides of the first electrode in induction electrode group are respectively arranged with groove, and the second electrode 12 is distributed in the both sides of the first electrode 11, the second electrode 12 is from corresponding the embedding described groove in both sides of the first electrode 11, each first electrode transmits touch point signal with two the second electrodes of its both sides respectively like this, not only increase the coupling area of the first electrode and the second electrode, and by first electrode and two the second electrode pair touch points, position, promoted the precision that touches location.
Optionally, described the first electrode is induction electrode, and described the second electrode is drive electrode.As shown in Figure 2, the first electrode 11 is induction electrode, and the second electrode 12 is drive electrode, and a touch point can position touch point by an induction electrode and two drive electrodes.Certainly, the first electrode can be also drive electrode, and the second electrode is induction electrode, can to touch point, position by a drive electrode and two touch electrodes.
Optionally, described touch-screen comprises mutually the upper substrate of box and infrabasal plate, described transparency conducting layer is arranged on the exiting surface of described upper substrate, and described transparency conducting layer also comprises the third electrode being arranged between two adjacent induction electrode groups, and described third electrode and the first electrode and the second electrode insulate respectively.As shown in Figure 3, between two adjacent induction electrode groups, be also provided with third electrode 13.
It should be noted that, the embodiment of the present invention be take described upper substrate and infrabasal plate and is respectively color membrane substrates and array base palte and is elaborated as example.In the embodiment of the present invention, described transparency conducting layer is formed to pattern as shown in Figure 3, make transparency conducting layer comprise the first electrode 11, the second electrode 12 and third electrode 13, wherein third electrode 13 can ground connection, thereby transparency conducting layer not only can be realized the touch function of touch-screen, the further impact of the static in minimizing external environment condition on display quality.
Optionally, described touch-screen also comprises black matrix, and described black matrix forms at least one transparent pattern area corresponding with described circuit board pin in the position of correspondence laminating circuit board.
It should be noted that, after array base palte and color membrane substrates laminating, need to the rete of array base palte and color membrane substrates, provide voltage signal by circuit board, existing is all by conductive gold spacer, the circuit on the pin of circuit board and substrate to be electrically connected to, and when making, need to detect the tight-face blasting state of conductive gold spacer.
Because touch-screen also comprises black matrix, after attaching circuit board, cannot detect the explosion status of conductive gold spacer.In the embodiment of the present invention, by form at least one transparent pattern area corresponding with described circuit board pin at black matrix, by this transparent pattern district, can detect the explosion status of conductive gold spacer.
Below, the embodiment of the present invention provides the method for making corresponding with above-mentioned touch-screen, it should be noted that, each film that following method for making forms or layer structure are film or the layer structure of touch-screen, therefore in the following embodiments the function of each film Huo Ceng mechanism forming is not described in detail.
The embodiment of the present invention also provides a kind of method for making of touch-screen, comprising: on substrate, form the step of transparency conducting layer, wherein, described transparency conducting layer comprises the first electrode, second electrode of mutually insulated, and the lead-in wire being connected with each second electrode; Wherein, first electrode and a plurality of the second electrode form induction electrode group, and the limit that described in each, the first electrode described in induction electrode group and the second electrode are oppositely arranged is dentation at least partly.
It should be noted that, touch-screen comprises multiple film or layer structure, take liquid crystal display touch screen as example, comprise array base palte and color membrane substrates, described substrate can be array base palte or color membrane substrates, or the substrate arranging separately, therefore, described formation hyaline layer can be to form described transparency conducting layer when forming described array base palte, can be also while forming color membrane substrates, to form described transparency conducting layer.Concrete setting steps and the position of described transparency conducting layer can be adjusted as required accordingly.
The method for making of a kind of touch-screen that the embodiment of the present invention provides, described transparency conducting layer comprises the first electrode, second electrode of mutually insulated, and the lead-in wire being connected with each second electrode; By a composition technique, can form the first electrode and the second electrode, and without other films or layer structure, be electrically connected to, with respect to existing manufacture craft, reduced the number of times of composition technique, and only need one deck just can realize touch function, realized the lightening of product.
Optionally, each limit of described the first electrode and the second electrode is dentation.Further, described in each, in induction electrode group, the both sides of the first electrode are respectively arranged with groove, and described the second distribution of electrodes is in described the first electrode both sides, and the described groove of the corresponding embedding of the part of the second electrode.
Optionally, described touch-screen also comprises mutual to the upper substrate of box and infrabasal plate, and the described transparency conducting layer that forms on substrate is specially: on the exiting surface of described upper substrate, form transparency conducting layer.
It should be noted that, the embodiment of the present invention be take described upper substrate and infrabasal plate and is respectively color membrane substrates and array base palte and is elaborated as example.
Optionally, before described formation transparency conducting layer, described method also comprises: the substrate of described upper substrate and/or described infrabasal plate is thinned.
The touch-screen of take comprises that array base palte and color membrane substrates are example, and because array base palte and color membrane substrates are all to form each film or layer structure on substrate, the thickness of substrate is generally 0.5mm, and array base palte is 1mm with color membrane substrates to the substrate thickness together with box.For existing product, it does not meet the lightening requirement of product, and generally after array base palte and color membrane substrates form, and before it is to box, the substrate of pair array substrate and color membrane substrates thins, to reduce the thickness of product.The first electrode of existing touch panel and the second electrode are realized the transmission of signal by plain conductor,, when forming metal carbonyl conducting layer, due to substrate is thinned, high-temperature technology cannot carry out.
In the embodiment of the present invention, before forming electrically conducting transparent touch layer, substrate is thinned to processing, because the lead-in wire of the first electrode, the second electrode and connection can be all to form by a composition technique, the material of its formation can be ITO (Indium tin oxide, indium tin oxide), there is not the restricted problem of technique in it.
Optionally, also comprise: form the step of black matrix, wherein, described black matrix forms at least one transparent pattern area corresponding with described circuit board pin in the position of correspondence laminating circuit board.
It should be noted that, after array base palte and color membrane substrates laminating, need to the rete of array base palte and color membrane substrates, provide voltage signal by circuit board, wherein, circuit board is the circuit part of display device, in existing display device, can the lead-in wire of the first electrode on the pin of circuit board and substrate and the second contact conductor or other electrodes (comprising public electrode, grid, source electrode and pixel electrode etc.) be electrically connected to by conductive gold spacer, and when making, need to detect the tight-face blasting state of conductive gold spacer.
Because touch-screen also comprises black matrix, after attaching circuit board, cannot detect the explosion status of conductive gold spacer.In the embodiment of the present invention, by form at least one transparent pattern area corresponding with described circuit board pin at black matrix, by this transparent pattern district, can detect the explosion status of conductive gold spacer.
The embodiment of the present invention provides a kind of display device, arbitrary described touch-screen that the embodiment of the present invention provides.Described display device can be the display devices such as liquid crystal display, Electronic Paper, OLED (Organic Light-Emitting Diode(Organic Light Emitting Diode) display and any product or the parts with Presentation Function such as TV, digital camera, mobile phone, panel computer that comprise these display devices.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (14)
1. a touch-screen, is characterized in that, comprising: be arranged on the transparency conducting layer on substrate, described transparency conducting layer comprises the first electrode, second electrode of mutually insulated, and the lead-in wire being connected with each second electrode; Wherein, first electrode and a plurality of the second electrode form induction electrode group, and the limit that described in each, the first electrode described in induction electrode group and the second electrode are oppositely arranged is dentation at least partly.
2. touch-screen according to claim 1, is characterized in that, each limit of described the first electrode and the second electrode is dentation.
3. touch-screen according to claim 1, is characterized in that, described in each, in induction electrode group, at least one side of the first electrode is provided with groove, described the second electrode be partially submerged into described groove.
4. touch-screen according to claim 3, is characterized in that, described in each, in induction electrode group, the both sides of the first electrode are respectively arranged with groove, and described the second distribution of electrodes is in described the first electrode both sides, and the described groove of the corresponding embedding of the part of the second electrode.
5. according to the touch-screen described in claim 1-4 any one, it is characterized in that, described the first electrode is induction electrode, and described the second electrode is drive electrode.
6. touch-screen according to claim 1, it is characterized in that, described touch-screen comprises mutually the upper substrate of box and infrabasal plate, described transparency conducting layer is arranged on the exiting surface of described upper substrate, and described transparency conducting layer also comprises the third electrode being arranged between two adjacent induction electrode groups, and described third electrode and the first electrode and the second electrode insulate respectively.
7. touch-screen according to claim 1, is characterized in that, described touch-screen also comprises black matrix, and described black matrix forms at least one transparent pattern area corresponding with the pin of described circuit board in the position of correspondence laminating circuit board.
8. a method for making for touch-screen, is characterized in that, comprising:
On substrate, form the step of transparency conducting layer, wherein, described transparency conducting layer comprises the first electrode, second electrode of mutually insulated, and the lead-in wire being connected with each second electrode; Wherein, first electrode and a plurality of the second electrode form induction electrode group, and the limit that described in each, the first electrode described in induction electrode group and the second electrode are oppositely arranged is dentation at least partly.
9. method for making according to claim 8, is characterized in that, each limit of described the first electrode and the second electrode is dentation.
10. method for making according to claim 8, is characterized in that, described in each, in induction electrode group, the both sides of the first electrode are respectively arranged with groove, and described the second distribution of electrodes is in described the first electrode both sides, and the described groove of the corresponding embedding of the part of the second electrode.
11. method for makings according to claim 8, is characterized in that, described touch-screen also comprises mutual to the upper substrate of box and infrabasal plate, and the described transparency conducting layer that forms on substrate is specially:
On the exiting surface of described upper substrate, form transparency conducting layer.
12. method for makings according to claim 11, is characterized in that, before described formation transparency conducting layer, described method also comprises:
The substrate of described upper substrate and/or described infrabasal plate is thinned.
13. method for makings according to claim 8, is characterized in that, also comprise:
Form the step of black matrix, wherein, described black matrix forms at least one transparent pattern area corresponding with described circuit board pin in the position of correspondence laminating circuit board.
14. 1 kinds of display device, is characterized in that, comprise the touch-screen described in claim 1-7 any one.
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| CN201310751462.2A CN103677431A (en) | 2013-12-31 | 2013-12-31 | Touch screen, manufacturing method for same and display device |
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Application publication date: 20140326 |