CN203376706U - Touch panel - Google Patents
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- CN203376706U CN203376706U CN201320388514.XU CN201320388514U CN203376706U CN 203376706 U CN203376706 U CN 203376706U CN 201320388514 U CN201320388514 U CN 201320388514U CN 203376706 U CN203376706 U CN 203376706U
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Abstract
The utility model provides a touch panel. A visual area and a non-visual area are defined on the touch panel. The touch panel comprises a protection cover plate and a sensing electrode layer. The protection cover plate comprises a reinforced substrate and a function protection layer formed in the visual area on the surface of the reinforced substrate. The sensing electrode layer is formed in the visual area on the surface of the function protection layer. By means of the function protection layer, functions of the sensing electrode layer cannot lose efficacy when the reinforced substrate is broken or cracks are generated. Thus, the reliability of the touch panel is improved.
Description
Technical field
The utility model relates to a kind of touch technology, and particularly relevant for a kind of contact panel.
Background technology
Contact panel has been widely applied in various electronic products in recent years, such as mobile phone, personal digital assistant (PDA) or hand held personal computer etc.It is that the sensing electrode layer directly is formed on the strengthening substrate that the tradition contact panel has a kind of, and the sensing electrode layer of the contact panel of this monolithic board structure is to strengthen substrate as substrate, therefore when the strengthening substrate of contact panel causes fragmentation or produces slight crack because of external force, be formed at the sensing electrode layer of strengthening on substrate and also open circuit because of the firm carrying that loses substrate with regard to easy, and then cause the touch controllable function of contact panel to lose efficacy.
Therefore, be how for the contact panel of monolithic substrate framework, promoting fiduciary level is to be badly in need of study at present the place of improvement to increase the contact panel practicality.
The utility model content
According to one of the utility model, embodiment provides contact panel; be formed in the contact panel on the strengthening substrate function and protecting layer is provided at the sensing electrode layer; this function and protecting layer is by the formed coating of high tenacity light transmissive material or coating; and this function and protecting layer is arranged between strengthening substrate and sensing electrode layer; setting by the function and protecting layer of the utility model embodiment; when the strengthening substrate produces slight crack or fragmentation because of external force; function thereby the inefficacy of the sensing electrode layer of contact panel can be avoided, the fiduciary level of contact panel can be promoted by this.In addition, the contact panel of the embodiment of the utility model can also be possessed the frivolous and high printing opacity that the contact panel of monolithic board structure has advantages of simultaneously.
One of the utility model embodiment provide contact panel; definition has visible area and non-visible area; it comprises cover sheet and sensing electrode layer; wherein cover sheet comprises again the strengthening substrate and be formed at the lip-deep function and protecting layer of strengthening substrate in visible area, and the sensing electrode layer is to be formed on the surface of function and protecting layer in visible area.Wherein cover sheet is the supporting substrate as this sensing electrode layer, and the function and protecting layer of cover sheet is as the toughness base material between sensing electrode layer and strengthening substrate.
Adopt contact panel of the present utility model, the function and protecting layer be arranged between strengthening substrate and sensing electrode layer can make the function of sensing electrode layer can or not produce slight crack and the inefficacy of opening circuit because of the strengthening substrate crushing, and then promotes the fiduciary level of contact panel.
The accompanying drawing explanation
Fig. 1 to Fig. 3 shows the diagrammatic cross-section according to the contact panel of the various embodiment of the utility model.
Fig. 4 A to Fig. 4 E shows according to an embodiment, among the contact panel of shop drawings 1 between the diagrammatic cross-section in stage.
Fig. 5 A to Fig. 5 C shows according to an embodiment, among the contact panel of shop drawings 2 between the diagrammatic cross-section in stage.
Fig. 6 A to Fig. 6 D shows according to an embodiment, among the contact panel of shop drawings 3 between the diagrammatic cross-section in stage.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
In following illustrated of the present utility model various embodiment, alleged orientation " on " and D score, be only for meaning relative position relationship, not be used for limiting the utility model.
In Fig. 1 to Fig. 3, be to strengthen substrate 101 structure of the contact panel of various embodiment is described in upper orientation, and in Fig. 4 to Fig. 6, be strengthen substrate 101 under orientation the manufacture method of the contact panel of various embodiment is described.
Consult Fig. 1, it shows the diagrammatic cross-section of the contact panel of the utility model one embodiment.Setting area according to decorative layer 104, contact panel can be defined out non-visible area (non-visible area) 100B of visible area (visible area) 100V and corresponding visible area 100V, wherein the zone at decorative layer 104 places is non-visible area 100B, all the other zones are visible area 100V, and common non-visible area 100B is the corresponding at least one side that is positioned at visible area 100V of design.
The contact panel of the present embodiment comprises cover sheet 100 and sensing electrode layer 120, and wherein cover sheet 100 comprises strengthening substrate 101 and function and protecting layer 102.Function and protecting layer 102 is to be formed under strengthening substrate 101 on surface in visible area 100V, and sensing electrode layer 120 is to be formed under function and protecting layer 102 on surface in visible area 100V.By this, the cover sheet 100 of the present embodiment is the supporting substrate as sensing electrode layer 120, and the function and protecting layer 102 of cover sheet 100 is as the toughness base material between sensing electrode layer 120 and strengthening substrate 101.Wherein, function and protecting layer 102 is by the formed coating of printing opacity temperature-resistant material or coating, is preferably the printing opacity heat-resistant layer that forms high tenacity.Wherein, the printing opacity temperature-resistant material is for example pi (polyimide; PI) resin, low stickiness resin, titania etc.
From above-mentioned framework; when the cover sheet 100 of the present embodiment is subject to outside destroy and to cause strengthening substrate 101 broken or while producing slight crack; because function and protecting layer 102 is the characteristics with toughness; therefore not only can not lose efficacy along with the damage of strengthening substrate 101; the sustainable carrying as sensing electrode layer 120 basis all the better; maintain the touch-control sensing function of sensing electrode layer 120, reach the effect of protection sensing electrode layer 120.
The function and protecting layer 102 of the present embodiment more can further extend at least part of non-visible area 100B; and be formed at the lower surface of strengthening substrate 101; in other words, the function and protecting layer 102 of the present embodiment covers comprehensively and is formed under strengthening substrate 101 on surface.In addition, decorative layer 104 is to be formed under function and protecting layer 102 on surface.Wherein on processing procedure, can utilize printing process to form decorative layer 104 by printing-ink, its thickness range is about 5 to 10 μ m; Perhaps utilize photolithographic processes to form decorative layer 104 by opaque photoresistance material, its thickness range is about 1 to 2 μ m.
The sensing electrode layer 120 of the present embodiment is to describe with the single-layer and transparent conductive structure.In other embodiments, sensing electrode layer 120 also can adopt the design of Double-layered transparent conductive structure, at this, not by the present embodiment, is limited.More specifically, the sensing electrode layer 120 of single-layer and transparent conductive structure comprises a plurality of first induction electrodes of for example, arranging along first axial (X-axis) that formed by indium tin oxide (ITO), and wherein each first induction electrode comprises a plurality of the first spaced-apart conductive unit 106X and the axial bonding line 106X ' of two adjacent the first conductive unit 106X of a plurality of connection first; And a plurality of second induction electrodes of for example, arranging along second axial (Y-axis), wherein each second induction electrode comprises a plurality of the second conductive units (not drawing) and the axial connecting line 106Y ' of two adjacent the second conductive units of a plurality of connection second.Wherein, bonding line 106X ' forms and intermeshes with connecting line 106Y '.
Next, more as shown in Figure 1, the conductor layer 112 of the present embodiment is to be formed at surface under decorative layer 104 at non-visible area 100B, and further extends to visible area 100V and be positioned at sensing electrode layer 120 below, to be electrically connected sensing electrode layer 120.Conductor layer 112 comprises a plurality of metal wires and a plurality of joint sheet (bonding pad), and these metal wires are electrically connected to sensing electrode layer 120, and joint sheet is connected with these metal wires respectively.Afterwards, recycling joint sheet and flexible printed wiring board (flexible printed circuit; FPC) 114 engaged, sensing electrode layer 120 carries out the touching signals transmission by flexible printed wiring board 114 and external circuit (not drawing) by this.
Framework according to the present embodiment, function and protecting layer 102 extends at least part of non-visible area 100B by the visible area 100V of contact panel, perhaps extend to and cover whole non-visible area 100B, when strengthening substrate 101 is broken or produce slight crack, function and protecting layer 102 not only can be as described as previous contents, protection is positioned at the sensing electrode layer 120 of visible area 100V, more can be further used as the toughness base material between conductor layer 112 and strengthening substrate 101, constantly as the carrying basis of conductor layer 112, maintain the signal transfer function of conductor layer 112, reach the effect of guardwire layer 112.
Moreover; because function and protecting layer 102 is that printing opacity temperature-resistant material by high tenacity is formed; the printing opacity temperature-resistant material of this high tenacity has good adhesion to strengthening substrate 101, and the adhesion of 120 pairs of high-toughness material of sensing electrode layer is also higher compared to the adhesion to strengthening substrate 101.Therefore, can effectively avoid sensing electrode layer 120 to separate (peeling), can improve by this reliability of sensing electrode layer 120.In addition, the tolerable temperature of the printing opacity temperature-resistant material of described high tenacity is about more than 240 ℃, so function and protecting layer 102 can tolerate the process temperatures of follow-up formation sensing electrode layer 120 and conductor layer 112.
In another enforcement aspect of this embodiment, sensing electrode layer 120 more extends at least part of non-visible area 100B, and in this non-visible area 100B, is to be formed at surface under decorative layer 104.Thus, the conductor layer 112 of the present embodiment is to be positioned at non-visible area 100B fully, and is formed on surface under decorative layer 104 and is electrically connected sensing electrode layer 120.
Consult Fig. 2, it shows the diagrammatic cross-section according to the contact panel of another embodiment of the utility model.The Toutch control panel structure of the present embodiment is roughly identical with the embodiment shown in Fig. 1; discrepancy is; the cover sheet 100 of the present embodiment more comprises the decorative layer 104 of the non-visible area 100B for defining contact panel; and decorative layer 104 be first be formed at the lower surface of strengthening substrate 101 after, then form function and protecting layer 102.Specifically, function and protecting layer 102 is formed in the lower surface of strengthening substrate 101 at visible area 100V, and is the lower surface that is formed at decorative layer 104 at non-visible area 100B.
In addition; due to after the function and protecting layer 102 of the present embodiment is formed in decorative layer 104; therefore the conductor layer 112 that follow-up setting is positioned at non-visible area 100B is formed in the lower surface of function and protecting layer 102, and further extends to visible area 100V and be electrically connected sensing electrode layer 120.Subsidiary one carries, although the present embodiment is not drawn the detailed construction of sensing electrode layer 120, this sensing electrode layer 120 can be the required structural design of any contact panel, at this, not by the utility model, is limited.In another enforcement aspect of this embodiment, conductor layer 112 also can only arrange and be positioned at non-visible area 100B, and extends to non-visible area 100B by sensing electrode layer 120, can allow equally by this conductor layer 112 and sensing electrode layer 120 reach electric connection.
Consult Fig. 3, it shows the diagrammatic cross-section according to the contact panel of another embodiment of the utility model.The Toutch control panel structure of the present embodiment is roughly identical with the embodiment shown in Fig. 1; discrepancy is; the sensing electrode layer 120 of the present embodiment more extends at least part of non-visible area 100B; and in non-visible area 100B, be to be formed at surface under function and protecting layer 102; allow the shielding layer 104 be the lower surfaces that further are formed on sensing electrode layer 102, use and be configured to the aspect that first has sensing electrode layer 120 to form again shielding layer 104.
Further illustrate, the conductor layer 112 of the present embodiment is the lower surface that further is formed at decorative layer 104, in other words, has the decorative layer 104 of insulation between conductor layer 112 and sensing electrode layer 120.To this, the decorative layer 104 of the present embodiment further comprises conducting portion 118, is used for each induction electrode of corresponding sensing electrode layer 120.Wherein, conducting portion 118 is formed by a through hole filled conductive material (as conducting resinl), allows conductor layer 112 be electrically connected sensing electrode layer 120 by conducting portion 118.At another, implement in aspect, conducting portion 118 also can directly be formed by the through hole conductor layer 112 of arranging in pairs or groups, in other words, the conductive material of filling in through hole can be directly the material of conductor layer 112, namely conductor layer 112 is when being formed at decorative layer 104 surperficial, can be filled in through hole simultaneously and forms described conducting portion 118.
In the various embodiments described above; function and protecting layer 102 can extend at least part of non-visible area 100B from visible area 100V; perhaps extend to and cover whole non-visible area 100B, make function and protecting layer 102 can at least complete correspondence cover sensing electrode layer 120 and conductor layer 112 on relative position relation.Therefore; when strengthening substrate 101 breaks or produces slight crack; function and protecting layer 102 can provide sensing electrode layer 120 and the complete carrying basis of conductor layer 112 constantly, avoids sensing electrode layer 120 with conductor layer 112 fractures or separates and loss of function, improves the fiduciary level of contact panel.
Subsidiary one carries, and the contact panel of the various embodiment of the utility model can be capacitance type touch-control panel, and is the contact panel that whole touch control components all are based on the monolithic board structure that one of strengthening substrate 101 side surface sequentially forms.Wherein, the touching face that the surface of the opposite side of strengthening substrate 101 is contact panel.
Fig. 4 A to Fig. 4 E shows according to an embodiment, among the contact panel of shop drawings 1 between the diagrammatic cross-section in stage.Consult Fig. 4 A, at first a cover sheet 100 is provided, wherein cover sheet 100 comprises strengthening substrate 101 and function and protecting layer 102, and function and protecting layer 102 is formed in the upper surface of strengthening substrate 101.Strengthening substrate 101 is for example glass reinforced substrate; the material of function and protecting layer 102 can be pi (PI) resin; can utilize coating process that pi resinogen material is coated on strengthening substrate 101; remove the solvent in pi resinogen material after overbaking, form the pi thin resin layer as function and protecting layer 102.The printing opacity temperature-resistant material that the material of this function and protecting layer 102 is high tenacity; there is good adhesion for glass reinforced substrate 101; and the transparent conductive material of follow-up formation sensing electrode layer 120; indium tin oxide (ITO) for example; to the adhesion of function and protecting layer 102 also relatively higher than directly to the adhesion of glass reinforced substrate 101, so function and protecting layer 102 can be avoided sensing electrode layer 120 peeling off phenomenon effectively.
In addition; the material of function and protecting layer 102 can also be low stickiness resin; this low stickiness resin is different from the optical cement (OCA) used for sticking touch control function substrate and cover sheet in traditional contact panel; optical cement (OCA) is used silica gel or acryl resin usually; and optical cement is the colloid with stickiness; the function and protecting layer 102 of the present embodiment is coating or the coating of the printing opacity temperature-resistant material of high tenacity, not the colloid for fitting.In addition, the material of the function and protecting layer 102 of the present embodiment can also tolerate the high temperature process of follow-up formation sensing electrode layer 120, and in one embodiment, its tolerable temperature is about more than 240 ℃.
In another embodiment, the material of function and protecting layer 102 can also be titania, and the mode of its available sputter forms.Titanic oxide material has advantages of that thin thickness, good in optical property, penetrance are high.Titania also has preferably anti-UV performance, that is follow-up contact panel has longer serviceable life while using.Simultaneously, titanium dioxide dense is better, and it first is formed on strengthening substrate 101, when other touch control component of follow-up formation, can avoid in processing procedure, and the liquid etching glass surfaces such as soda acid, and then improve the intensity of whole touch-control structure.
Consult Fig. 4 B, form the decorative layer 104 of the non-visible area 100B be used for defining contact panel on function and protecting layer 102.The normally corresponding at least one side that is positioned at visible area 100V of non-visible area 100B wherein.Decorative layer 104 can utilize photolithographic processes to form, and the material of its use is for example opaque photoresistance material, and the thickness of formed decorative layer 104 is about 1 to 2 μ m.In addition, decorative layer 104 can also utilize printing process to form, and the material of its use is for example the insulation printing-ink, and the thickness of formed decorative layer 104 is about 5 to 10 μ m.Supplementary notes, function and protecting layer 102 is at least to be positioned at visible area 100V in design, but the function and protecting layer 102 of the present embodiment extends to especially non-visible area 100B except being positioned at visible area 100V.
Consult Fig. 4 C, on function and protecting layer 102, first deposition forms layer of transparent conductive layer 106, and then utilize light lithography and etch process by transparency conducting layer 106 patternings, form a plurality of for example, along the first spaced-apart conductive unit 106X of first axial (X-axis); And a plurality of second induction electrodes of for example, arranging along second axial (Y-axis), wherein each second induction electrode comprises a plurality of the second conductive units (not drawing) and the axial connecting line 106Y ' of two adjacent the second conductive units of a plurality of connection second.
Consult Fig. 4 D, form a plurality of electrical barrier structure 108 that is positioned at visible area 100V on function and protecting layer 102, and these electrical barrier structures 108 are respectively formed at the connecting line 106Y ' top of the second conductive unit.Electrically barrier structure 108 can utilize photolithographic processes to form, and the material of its use is for example transparent insulation material.
Consult Fig. 4 E, electrically on barrier structure 108, forming a plurality of bonding line 106X ', utilize bonding line 106X ' to be electrically connected first axially upper two adjacent the first conductive unit 106X, to form many first induction electrodes.Wherein, the connecting line 106Y ' of bonding line 106X ' and the second induction electrode forms staggered each other, and by electrical barrier structure 108, is electrically insulated between bonding line 106X ' and connecting line 106Y '.By this, the first induction electrode, the second induction electrode and electrical barrier structure 108 are configured to the surface that is formed on function and protecting layer 102 and are positioned at the sensing electrode layer 120 of visible area 100V.It is worth mentioning that, the sensing electrode layer 120 of the present embodiment is to design only to be made in visible area 100V, and in another embodiment, sensing electrode layer 120 also can design the surface that extends at least part of non-visible area 100B and be formed on decorative layer 104.
In addition, after completing sensing electrode layer 120, also form conductor layer 112 on decorative layer 104, be used for being electrically connected sensing electrode layer 120, and the conductor layer 112 of the present embodiment is to extend to visible area 100V to be electrically connected sensing electrode layer 120.In one embodiment, bonding line 106X ' can utilize deposition manufacture process and light lithography and etch process to synchronize with conductor layer 112 and form, and the material of its use is for example metal material.Afterwards, conductor layer 112 is engaged with flexible printed wiring board 114 (Fig. 1), complete the contact panel of Fig. 1.
At the present embodiment in made contact panel, before function and protecting layer 102 is formed in decorative layer 104 and conductor layer 112 in non-visible area 100B.Generally speaking; the cover sheet 100 of contact panel is the supporting substrate as sensing electrode layer 120; and the function and protecting layer 102 of cover sheet 100 is as the toughness base material between sensing electrode layer 120 and conductor layer 112 and strengthening substrate 101, reaches the effect of protection sensing electrode layer 120 and conductor layer 112.
In ensuing embodiment, will, only for because the different corresponding different process sequence of framework describe, for the content of the various materials that wherein used, specification and all applicable previous embodiment of enforcement means, no longer be repeated.
Fig. 5 A to Fig. 5 C shows according to an embodiment, among the contact panel of shop drawings 2 between the diagrammatic cross-section in stage.Consult Fig. 5 A and Fig. 5 B, at first a cover sheet 100 is provided, wherein cover sheet 100 comprises strengthening substrate 101, decorative layer 104 and function and protecting layer 102.As shown in Figure 5A, decorative layer 104 is formed on the upper surface of strengthening substrate 101, is used for defining the non-visible area 100B of contact panel.In addition, as shown in Figure 5 B, then form function and protecting layer 102, allow function and protecting layer 102 be formed in the upper surface of strengthening substrate 100 at visible area 100V, and further extend at least part of non-visible area 100B and be formed on the upper surface of decorative layer 104.
Next, consult Fig. 5 C, form sensing electrode layer 120 and conductor layer 112 on the upper surface of function and protecting layer 102.The sensing electrode layer 120 of the present embodiment is to design only to be made in visible area 100V, and conductor layer 112 not only is positioned at non-visible area 100B, extends to especially visible area 100V and is electrically connected sensing electrode layer 120.In another embodiment, sensing electrode layer 120 also can design and extend at least part of non-visible area 100B, and allow conductor layer 112 only be positioned at non-visible area 100B, comes to be electrically connected with sensing electrode layer 120.Subsidiary one carries, although do not draw the detailed construction of sensing electrode layer 120 in Fig. 5 C, sensing electrode layer 120 can be the required structural design of any contact panel.Afterwards, conductor layer 112 is engaged with flexible printed wiring board (FPC) 114 (Fig. 2), complete the contact panel of Fig. 2.
At the present embodiment in made contact panel, after function and protecting layer 102 is formed in decorative layer 104 in non-visible area 100B and before being formed on conductor layer 112.Generally speaking, the function and protecting layer 102 of cover sheet 100 can be used as the toughness base material between sensing electrode layer 120 and conductor layer 112 and strengthening substrate 101, reaches the effect of protection sensing electrode layer 120 and conductor layer 112.
Fig. 6 A to Fig. 6 D shows according to an embodiment, among the contact panel of shop drawings 3 between the diagrammatic cross-section in stage.Consult Fig. 6 A, at first a cover sheet 100 is provided, wherein cover sheet 100 comprises strengthening substrate 101 and function and protecting layer 102, and function and protecting layer 102 is formed in the uper side surface of strengthening substrate 101.
Consult Fig. 6 B, form sensing electrode layer 120 on the upper surface of function and protecting layer 102, although do not draw the detailed construction of sensing electrode layer 120 in 7B figure, sensing electrode layer 120 can be the required structural design of any contact panel.
Consult Fig. 6 C, form the decorative layer 104 that is used for defining non-visible area 100B on the surface of sensing electrode layer 120, wherein the decorative layer 104 of the present embodiment comprises conducting portion 118, be used for each induction electrode of corresponding sensing electrode layer 120, and be for example to be formed by a through hole filled conductive material (as conducting resinl) in conducting portion 118.In addition; in the present embodiment; aforementioned formed function and protecting layer 102 and sensing electrode layer 120 can be for example to extend at least part of non-visible area 100B, and the expanded range of function and protecting layer 102 is preferably the expanded range that is more than or equal to sensing electrode layer 120.
Consult Fig. 6 D, form conductor layer 112 on the surface of decorative layer 104, allow conductor layer 112 be electrically connected sensing electrode layer 120 by conducting portion 118.It is worth mentioning that, the conducting portion 118 of the present embodiment is except can be as previously described, outside being formed by through hole filled conductive material, in another embodiment, conducting portion 118 is also when forming conductive layer 112, simultaneously by the material of conductor layer 112, for example for being filled in the through hole of decorative layer 104, the metal material Direct precipitation forms.Afterwards, conductor layer 112 is engaged with flexible printed wiring board 114 (Fig. 3), complete the contact panel of Fig. 3.
At the present embodiment in made contact panel, before function and protecting layer 102 is formed in sensing electrode layer 120, decorative layer 104 and conductor layer 112 in non-visible area 100B.Generally speaking, the function and protecting layer 102 of cover sheet 100 can be used as the toughness base material between sensing electrode layer 120 and conductor layer 112 and strengthening substrate 101, reaches the effect of protection sensing electrode layer 120 and conductor layer 112.
In sum; embodiment according to the utility model; at the sensing electrode layer, be formed in the contact panel of the monolithic board structure on cover sheet; be provided with the function and protecting layer between strengthening substrate and sensing electrode layer; and this function and protecting layer also can extend to the line areas (trace area) that is positioned at touch-control active region periphery from the touch-control active region (active area) with sensing electrode layer, make the function and protecting layer can intactly contain sensing electrode layer and the set zone of conductor layer.
Because the function and protecting layer of this announcement is the formed coating of printing opacity temperature-resistant material or the coating by high tenacity, the printing opacity temperature-resistant material of this high tenacity has good adhesion for the cover sheet of glass material, and the sensing electrode layer is also higher with respect to the adhesion of glass protection cover plate for the adhesion of the printing opacity temperature-resistant material of high tenacity, therefore when strengthening substrate crushing or generation slight crack, the function and protecting layer of this announcement can be avoided sensing electrode layer and conductor layer to be subject to strengthening the impact of substrate and ruptures or peel off, that is can effectively prevent that by the setting of function and protecting layer touch controllable function lost efficacy, can promote the fiduciary level of contact panel by this.In addition, the contact panel of the embodiment of the utility model is also possessed the frivolous and high printing opacity that the contact panel of monolithic board structure has advantages of simultaneously.
Separately refer again to table 1 and table 2, by the analysis of falling sphere test data, also can find to increase the intensity that the function and protecting layer also can increase the strengthening substrate between strengthening substrate and sensing electrode.Particularly, as shown in Table 1 and Table 2, take the titania functional protective seam as example, under identical test condition, make to strengthen the average height that substrate produces the falling sphere broken and be respectively 17.9cm and 34.6cm.Be not difficult to find out, adopt the product of function and protecting layer, also can make contact panel there is better performance.
Table 1:
Table 2:
Although the utility model has disclosed preferred embodiment as above, so it is not in order to limit the utility model, and those having an ordinary knowledge in this technical field are when understanding, in the spirit and scope that do not break away from the utility model, when doing a little change and retouching.Therefore, the protection domain of the utility model attached claim after looking defines and is as the criterion.
Claims (15)
1. a contact panel, be defined a visible area and a pair of non-visible area that should visible area, it is characterized in that, comprising:
One cover sheet comprises:
One strengthening substrate; And
One function and protecting layer is to be formed on the surface of this strengthening substrate in this visible area; And a sensing electrode layer, in this visible area, be to be formed on the surface of this function and protecting layer;
Wherein this cover sheet is the supporting substrate as this sensing electrode layer, and this function and protecting layer of this cover sheet is as the toughness base material between this sensing electrode layer and this strengthening substrate.
2. contact panel according to claim 1, is characterized in that, coating or coating that this function and protecting layer is the printing opacity temperature-resistant material.
3. contact panel according to claim 1, is characterized in that, this function and protecting layer is pi resin, low stickiness resin or titania.
4. contact panel according to claim 1, is characterized in that, this function and protecting layer more extends to this at least part of non-visible area.
5. contact panel according to claim 4, is characterized in that, this function and protecting layer is the surface that is formed at this strengthening substrate in this non-visible area.
6. contact panel according to claim 5, is characterized in that, this cover sheet more comprises that one is used for defining the decorative layer of this non-visible area, is formed at the surface of this function and protecting layer.
7. contact panel according to claim 6, is characterized in that, this sensing electrode layer more extends to this at least part of non-visible area, and be the surface that is formed at this decorative layer in this non-visible area.
8. according to the described contact panel of claim 6 or 7, it is characterized in that, more comprise a conductor layer, be formed at the surface of this decorative layer, be used for being electrically connected this sensing electrode layer.
9. contact panel according to claim 5; it is characterized in that; more comprise that one is used for defining the decorative layer of this non-visible area; wherein this sensing electrode layer more extends to this at least part of non-visible area; and in this non-visible area, be the surface that is formed at this function and protecting layer, and this decorative layer is the surface that is formed at this sensing electrode layer.
10. contact panel according to claim 9, is characterized in that, more comprises a conductor layer, is formed at the surface of this decorative layer and is electrically connected this sensing electrode layer.
11. contact panel according to claim 10, is characterized in that, this decorative layer comprises a conducting portion, and this conductor layer is electrically connected this sensing electrode layer via this conducting portion.
12. contact panel according to claim 4; it is characterized in that; this cover sheet more comprises that one is used for defining the decorative layer of this non-visible area, and wherein this decorative layer is the surface that is formed at this strengthening substrate, and this function and protecting layer is the surface that is formed at this decorative layer in this non-visible area.
13. contact panel according to claim 12, is characterized in that, this sensing electrode layer more extends to this at least part of non-visible area, and is the surface that is formed at this function and protecting layer in this non-visible area.
14., according to the described contact panel of claim 12 or 13, it is characterized in that, more comprise a conductor layer, be formed at the surface of this function and protecting layer and be positioned at this non-visible area, be used for being electrically connected this sensing electrode layer.
15. contact panel according to claim 1, is characterized in that, this sensing electrode layer comprises single-layer and transparent conductive structure or Double-layered transparent conductive structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320388514.XU CN203376706U (en) | 2013-07-01 | 2013-07-01 | Touch panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320388514.XU CN203376706U (en) | 2013-07-01 | 2013-07-01 | Touch panel |
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| CN203376706U true CN203376706U (en) | 2014-01-01 |
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| CN201320388514.XU Expired - Fee Related CN203376706U (en) | 2013-07-01 | 2013-07-01 | Touch panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281292A (en) * | 2013-07-01 | 2015-01-14 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacturing method thereof |
| CN107329629A (en) * | 2017-08-03 | 2017-11-07 | 长沙市宇顺显示技术有限公司 | A kind of touch-control film sensor applying methods and its touch-control sensor and touch-control product |
-
2013
- 2013-07-01 CN CN201320388514.XU patent/CN203376706U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281292A (en) * | 2013-07-01 | 2015-01-14 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacturing method thereof |
| CN107329629A (en) * | 2017-08-03 | 2017-11-07 | 长沙市宇顺显示技术有限公司 | A kind of touch-control film sensor applying methods and its touch-control sensor and touch-control product |
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