CN204965393U - Touch substrate and display device - Google Patents
Touch substrate and display device Download PDFInfo
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- CN204965393U CN204965393U CN201520729863.2U CN201520729863U CN204965393U CN 204965393 U CN204965393 U CN 204965393U CN 201520729863 U CN201520729863 U CN 201520729863U CN 204965393 U CN204965393 U CN 204965393U
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Abstract
The utility model provides a touch substrate and display device, touch substrate have touch -control district with the wiring district and including set up in the first touch -control electrode and the second touch -control electrode of the first side in first insulation layer and set up in the first wire of first insulation layer second side, first touch -control electrode is followed the first side edge extension in touch -control district extremely the second side reason in touch -control district, second touch -control electrode is followed the third side edge extension in touch -control district extremely the fourth side reason in touch -control district, the wiring position in the fourth side edge in touch -control district, first wire with first touch -control electrode with one of second touch -control electrode electricity is connected and be in after drawing forth from electric junction the touch -control extends to in the district the fourth side reason in touch -control district, and follow fourth side edge extension extremely the wiring district. This touch substrate is favorable to realizing narrow frame or does not have the frame design.
Description
Technical field
At least one embodiment of the present utility model provides a kind of touch base plate and display device.
Background technology
Along with the develop rapidly of display technique, touch screen is gradually in the life of people.Capacitance type touch control screen is widely used because having the advantages such as high sensitivity, long-life, high transmission rate.
OGS (OneGlassSolution) touch screen and covering surfaces formula (Oncell) touch screen are two kinds of more common touch screens.OGS touch screen forms touch base plate separately by being arranged on by touch-control structure on the protective substrate outside display panel, and touch base plate and display panel being fit together afterwards is formed.In covering surfaces formula touch screen, touch-control structure is arranged on the surface away from array base palte side of the counter substrate (such as color membrane substrates) in display panel.
Utility model content
At least one embodiment of the present utility model provides a kind of touch base plate and display device, for realizing narrow frame or Rimless design.
At least one embodiment of the present utility model provides a kind of touch base plate, this touch base plate has Touch Zone and is positioned at the wiring region outside described Touch Zone, and comprises the first touch control electrode and the second touch control electrode, the first wire be electrically connected with one of described first touch control electrode and described second touch control electrode and the first insulation course be at least arranged in described Touch Zone that are arranged at described Touch Zone; Described first touch control electrode extends to the second side edge of described Touch Zone from the first side edge of described Touch Zone along first direction; Described second touch control electrode extends to the four side edge of described Touch Zone from the 3rd lateral edges of described Touch Zone along second direction, described second direction is crossing with described first direction, and described wiring region is positioned at the four side edge place of described Touch Zone; Described first wire extends to the four side edge of described Touch Zone from the junction one of described in described first touch control electrode and described second touch control electrode in described Touch Zone, and extends to described wiring region from described four side edge; Along on the direction perpendicular to described first face, insulation course place, described first touch control electrode and described second touch control electrode are arranged at the first side of described first insulation course, described first wire is arranged at the second side of described first insulation course, and described second side and described first side are toward each other.
Such as, described touch base plate can also comprise the second wire, described second wire is electrically connected with another in described first touch control electrode and described second touch control electrode, described second wire from described first touch control electrode and described second touch control electrode described in another junction in described Touch Zone, extend to the four side edge of described Touch Zone, and extend to described wiring region from described four side edge.
Such as, described touch base plate can also comprise the second wiring region wire, and described wiring region wire is electrically connected with described second touch control electrode at described four side edge place, and extends to described wiring region from described four side edge.
Such as, described touch base plate can also comprise guarded electrode and the second insulation course, described guarded electrode is arranged at described first side of described first insulation course, described first wire described guarded electrode orthogonal projection on the whole and described guarded electrode have lap; Described guarded electrode and described first touch control electrode and described second touch control electrode insulate by described second insulation course mutually.
Such as, described guarded electrode is continuous print planar structure.
Such as, one of described first touch control electrode and described second touch control electrode comprise multiple sub-electrode of being arranged in order and multiple connecting portion, described multiple connecting portion and the different layer of described multiple sub-electrode are arranged, and adjacent two sub-electrodes are by a connecting portion electrical connection; Described guarded electrode and described connecting portion are arranged with layer.
Such as, the material of described guarded electrode comprises transparent conducting metal oxide.
Such as, the material of at least one in described first insulation course and described second insulation course comprises inorganic material.
Such as, the material of described first insulation course comprises inorganic material.
Such as, along described first direction, the size of described touch base plate equals the distance between described first side edge and described second side edge.
Of the present utility model at least one embodiment still provides a kind of display device, it comprises the touch base plate described in above-mentioned any one.
Such as, described display device comprises the array base palte and counter substrate that are oppositely arranged, described counter substrate is as described touch base plate, and described first touch control electrode, described second touch control electrode and described first wire are arranged at the side away from described array base palte of described counter substrate.
Such as; described display device comprises the array base palte and counter substrate that are oppositely arranged and the protective substrate away from described array base palte side being arranged at described counter substrate; described counter substrate is as described touch base plate; and described first touch control electrode, described second touch control electrode and described first wire are arranged at the side away from described array base palte of described counter substrate; described protective substrate is as described touch base plate, and described first touch control electrode, described second touch control electrode and described first wire are arranged on described protective substrate.
The touch base plate that the utility model embodiment provides, by the first wire be electrically connected with the first touch control electrode or the second touch control electrode to be arranged in Touch Zone and to make this first wire directly lead to wiring region from Touch Zone, and do not need through side frame district, narrow frame or the design of Rimless touch-control can be realized, thus be conducive to realizing Rimless display.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described below by the accompanying drawing of embodiment, apparently, the accompanying drawing in the following describes only relates to embodiments more of the present utility model, but not to restriction of the present utility model.
Fig. 1 a is a kind of schematic top plan view of OGS touch screen;
Fig. 1 b is the cross-sectional schematic along AA line of Fig. 1 a;
The schematic top plan view of a kind of touch base plate that Fig. 2 a provides for the utility model embodiment;
The schematic top plan view of a kind of touch base plate that Fig. 2 b provides for the utility model embodiment;
The cross-sectional schematic along BB line in Fig. 2 a of a kind of touch base plate that Fig. 2 c provides for the utility model embodiment;
A kind of schematic top plan view comprising the touch base plate of guarded electrode that Fig. 3 a provides for the utility model embodiment;
A kind of schematic top plan view comprising the touch base plate of guarded electrode that Fig. 3 b provides for the utility model embodiment;
What Fig. 4 a provided for the utility model embodiment a kind ofly comprises guarded electrode and the schematic top plan view of touch base plate that arranges with layer of the connecting portion of guarded electrode and the first touch control electrode;
What Fig. 4 b provided for the utility model embodiment a kind ofly comprises guarded electrode and the schematic top plan view of touch base plate that arranges with layer of the connecting portion of guarded electrode and the first touch control electrode;
The cross-sectional schematic of a kind of display device that Fig. 5 provides for the utility model embodiment.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the utility model protection.
Unless otherwise defined, the technical term that uses of the disclosure or scientific terminology should be in field belonging to the utility model the ordinary meaning that the personage with general technical ability understands." first ", " second " that use in the disclosure and similar word do not represent any order, quantity or importance, and are only used to distinguish different ingredients.Equally, the similar word such as " ", " " or " being somebody's turn to do " does not represent restricted number yet, but represents to there is at least one." to comprise " or the similar word such as " comprising " means to occur that element before this word or object contain the element or object that appear at this word presented hereinafter and equivalent, and do not get rid of other elements or object." connection " or " being connected " etc. similar word be not defined in physics or the connection of machinery, no matter but can comprise electrical connection, be direct or indirectly." on ", D score, "left", "right" etc. only for representing relative position relation, when be described object absolute position change after, then this relative position relation also may correspondingly change.
Fig. 1 a is a kind of schematic top plan view of OGS touch screen.As shown in Figure 1a, this touch screen comprises the first touch control electrode 031 and many second touch control electrode 032 be arranged in order that many of being arranged in Touch Zone 011 are arranged in order, every bar first touch control electrode 031 extends transversely, and every bar second touch control electrode 032 extends longitudinally.Touch screen also comprises the wire 041 be electrically connected with the first touch control electrode 031 and the wire 043 be electrically connected with the second touch control electrode 032.Wire 041 to be drawn to after being electrically connected with the first touch control electrode 031 in nearest side frame region (hereinafter referred to as " side frame district ") 012 and to extend to the land (bondingpad of touch screen, the lower frame region of touch screen in Fig. 1 a) 013, to realize the electrical connection between the first touch control electrode 031 and touch chip (not shown in Fig. 1 a); Directly led in the land 013 of touch screen after wire 043 is electrically connected with the lower end of the second touch control electrode 032.
Fig. 1 b is the cross-sectional schematic along AA line of Fig. 1 a.As shown in Figure 1 b, wire 041 is electrically connected the backward direction away from the first touch control electrode 031 and extends with the first touch control electrode 031, that is, extend to side frame district.In addition, in the touch screen shown in Fig. 1 b, near side frame district, be also provided with black matrix 02, to avoid the wire 041 in side frame district to affect visual effect, and on wire 041, be provided with insulation course 05, with guardwire 041.
Under study for action, present inventor notices, in the situation shown in Fig. 1 a and Fig. 1 b, the wire 041 that OGS touch screen comprises is arranged on outside Touch Zone 011, need to be introduced in land after side frame district, this causes the Rimless touch-control that cannot realize truly, thus cannot realize Rimless display.
At least one embodiment of the present utility model provides a kind of touch base plate, as shown in Fig. 2 a to Fig. 2 c, this touch base plate has Touch Zone 101 and is positioned at the wiring region 102 outside Touch Zone 101, and comprises the first touch control electrode 31 and the second touch control electrode 32 be arranged in Touch Zone 101, is arranged in Touch Zone 101 and wiring region 102 and the first wire 41 be electrically connected with one of the first touch control electrode 31 and second touch control electrode 32 and the first insulation course 61 be at least arranged in Touch Zone 101.In this touch base plate, the first touch control electrode 31 extends to the second side edge 101b of Touch Zone 101 from the first side edge 101a of Touch Zone 101 along first direction; Second touch control electrode 32 extends to the four side edge 101d of Touch Zone 101 from the 3rd lateral edges 101c of Touch Zone 101 along second direction, second direction is crossing with first direction, and wiring region 102 is positioned at the four side edge 101d place of Touch Zone 101; First wire 41 extends to the four side edge 101d of Touch Zone 101 from the junction with one of the first touch control electrode 31 and the second touch control electrode 32 in Touch Zone 101, and extend to wiring region 102 from four side edge 101d, that is, the first wire 41 comprises the Part II 41b being arranged at the Part I 41a in Touch Zone 101 and being arranged in wiring region 102 be electrically connected to each other.Along on the direction perpendicular to the first face, insulation course 61 place, the first touch control electrode 31 and the second touch control electrode 32 are arranged at the first side of the first insulation course 61, and the first wire 41 is arranged at the second side of the first insulation course 61, and the second side and the first side are toward each other.In certain embodiments, first direction and second direction perpendicular to one another.
In the utility model embodiment, wiring region 102 is the land of touch base plate, such as, electrode foot (pin can be provided with in this land, not shown), the first wire 41 can be electrically connected with flexible printed circuit board by electrode foot, and then is electrically connected with touch chip.
Because the distance wiring region 102, the end bottom of the second touch control electrode 32 (in Fig. 2 a and Fig. 2 b) of the second touch control electrode 32 is nearer, therefore, second touch control electrode 32 can be electrically connected with wiring region wire 43, this wiring region wire 43 directly leads to wiring region 102 after being electrically connected with the end of the second touch control electrode 32, and do not need through Touch Zone 101, that is, wiring region wire 43 is electrically connected with the second touch control electrode 32 at four side edge 101d place, and extends to wiring region 102 from four side edge 101d.
In fig. 2 a, the two ends of the first touch control electrode 31 are electrically connected with the first wire 41 respectively, can reduce the impedance of the first touch control electrode 31 like this.Certainly, the utility model embodiment is including, but not limited to this.Such as, can be that the first touch control electrode 31 is electrically connected with first wire 41.
Such as, as shown in Figure 2 b, when the first wire 41 is electrically connected with in the first touch control electrode 31 and the second touch control electrode 32, the touch base plate that at least one embodiment of the present utility model provides can also comprise the second wire 42, second wire 42 is electrically connected with another in the first touch control electrode 31 and the second touch control electrode 32, second wire 42 from the first touch control electrode 31 and the second touch control electrode 32 described in another junction in Touch Zone 101, extend to the four side edge 101d of Touch Zone 101, and extend to wiring region 102 from four side edge 101d.In the utility model embodiment, because the second wire 42 extends in wiring region 102 in Touch Zone 101, be conducive to realizing the narrow frame of touch base plate at the 3rd lateral edges 101c place place of Touch Zone or Rimless design.In addition, as shown in Figure 2 b, one end of the second touch control electrode 32 is electrically connected with the second wire 42, and the other end is electrically connected with wiring region wire 43, can reduce the impedance of the second touch control electrode 32 like this.
Fig. 2 b illustrate only second wire 42, and certainly, other each second touch control electrode 32 also can connect second wire 42.
The touch base plate that the utility model embodiment provides, by the first wire 41 be electrically connected with the first touch control electrode 31 or the second touch control electrode 32 to be arranged in Touch Zone 101 and to make this first wire 41 directly lead to wiring region 102 from Touch Zone 101, and do not need through side frame district, narrow frame or the design of Rimless touch-control can be realized, thus be conducive to realizing Rimless display.
Such as, as shown in Figure 2 a, touch base plate can realize Rimless design along first direction, and that is, along first direction, the size of touch base plate can be substantially equal to the distance between first side edge 101a and second side edge 101b.It should be noted that, because manufacturing process or the first wire 41 are by contact pad (contact pad size is less) and the factor such as the first touch control electrode 31 or the second touch control electrode 32 are electrically connected, therefore, the size of touch base plate can be the distance be substantially equal between first side edge 101a and second side edge 101b.
The touch base plate that the utility model embodiment provides can be applied in OGS touch screen, and that is, in a display device, this touch base plate is arranged at outside display panel; Or, the touch base plate that the utility model embodiment provides also can be applied in covering surfaces formula touch screen, namely, display device comprises the array base palte and counter substrate that are oppositely arranged, this touch base plate can be used as counter substrate, and the first touch control electrode, the second touch control electrode and the first wire are arranged at the side away from array base palte of counter substrate.
Such as, the material of the first insulation course 61 can comprise inorganic material, such as SiNxOy (silicon oxynitride), SiO
2at least one in materials such as (silicon dioxide).Like this, the first insulation course 61 can not need by serigraphy or similar fashion to use mask plate to be formed, thus effectively can reduce production cost.
Such as, the first wire 41 can adopt metal material to make, such as, and at least one in the metals such as copper, aluminium, magnesium, zirconium, titanium and lead.Such as, the first wire 41 directly can contact with the first touch control electrode 31 or the second touch control electrode 32.Certainly, the first wire 41 also can pass through contact pad (pad, as shown in the rectangle blockage in Fig. 2 a and Fig. 2 b) and is electrically connected with the first touch control electrode 31 or the second touch control electrode 32.
As can be seen from Fig. 2 c, first wire 41 is positioned at Touch Zone, be not arranged at the end 31a of the first touch control electrode 31 and underlay substrate 10 between the edge 10a of this end 31a, therefore the gap between the end 31a of the first touch control electrode 31 and edge 31a of underlay substrate 10 can make less, and along first direction, underlay substrate 10 can not arrange black matrix, thus narrow frame or Rimless design can be realized.
In figure 2 c, the first wire 41 can also be provided with the protective seam 50 for the protection of the first wire 41; The position of the first wire 41 and the first touch control electrode 31 can exchange.In addition, annexation and first touch control electrode 31 of the second touch control electrode 32 and the first wire 41 are similar, do not repeat herein.
The touch base plate that the utility model embodiment provides can adopt self-capacitance principle, and each namely in the first touch control electrode 31 and the second touch control electrode 32 is an independent self-capacitance electrode; Or the touch base plate that the utility model embodiment provides also can adopt mutual capacitance principle, one namely in the first touch control electrode 31 and the second touch control electrode 32 is touch-control sensing electrode and another is touch-control drive electrode.First touch control electrode 31 and the second touch control electrode 32 can adopt design conventional in this area, such as, the bridge point type touch-control structure that this area can be adopted conventional or other touch-control structure, as long as can realize the first wire 41 to be arranged in Touch Zone.
Such as, the material of the first touch control electrode 31 and the second touch control electrode 32 can be transparent conducting metal oxide, such as, at least one in indium zinc oxide, indium oxide gallium zinc, tin indium oxide etc.
Because the first wire 41 extends in Touch Zone 101, in order to reduce the crosstalk between the first wire 41 and the first/bis-touch control electrode, thus not affecting Signal transmissions as far as possible, such as, guarded electrode can be set between the first wire 41 and the first/bis-touch control electrode.That is, as shown in Figure 3 a and Figure 3 b shows, touch base plate can also comprise guarded electrode 70 and the second insulation course 62, guarded electrode 70 is arranged at (that is: the downside of the first insulation course 61 in Fig. 3 a, the first side of the first insulation course 61, the upside of the first insulation course 61 in Fig. 3 b), first wire 41 guarded electrode 70 orthogonal projection on the whole and guarded electrode 70 have lap, guarded electrode 70 and the first touch control electrode 31 and the second touch control electrode 32 phase insulate by the second insulation course 62.In the utility model embodiment, guarded electrode 70 is unsettled setting, that is, do not need to be electrically connected with other parts.
Such as, the material of at least one when touch base plate comprises guarded electrode 70, in the first insulation course 61 and the second insulation course 62 can comprise inorganic material, such as SiNxOy (silicon oxynitride), SiO
2at least one in materials such as (silicon dioxide).Like this, at least one in the first insulation course 61 and the second insulation course 62 can not need by serigraphy or similar fashion to use mask plate to be formed, thus effectively can reduce production cost.
In fig. 3 a, underlay substrate 10 is disposed with from bottom to up the first touch control electrode 31, second insulation course 62, guarded electrode 70, first insulation course 61 and the first wire 41.Shown in Fig. 3 a, situation may be used for OGS touch screen, like this, touch objects (such as, the finger of people) when touching from the side away from the first touch control electrode 31 of underlay substrate 10, first touch control electrode 31 is nearer apart from touch objects, guarded electrode 70 is comparatively far away apart from touch objects, and thus guarded electrode 70 can not affect the signal of the first touch control electrode 31.
In fig 3b, underlay substrate 10 is disposed with from top to bottom the first touch control electrode 31, second insulation course 62, guarded electrode 70, first insulation course 61 and the first wire 41.Situation shown in Fig. 3 b may be used for covering surfaces formula touch screen, like this, touch objects (such as, the finger of people) when touching from the side of the principle underlay substrate 10 of the first touch control electrode 31, first touch control electrode 31 is nearer apart from touch objects, guarded electrode 70 is comparatively far away apart from touch objects, and thus guarded electrode 70 can not affect the signal of the first touch control electrode 31.
Position relationship and first touch control electrode 31 of the second touch control electrode 32 and guarded electrode 70 and the second insulation course 62 are similar, do not repeat herein.
Affect aperture opening ratio to avoid as far as possible, such as, the material of guarded electrode 70 can comprise transparent conducting metal oxide, such as indium zinc oxide, tin indium oxide, indium oxide gallium zinc etc.
Such as, guarded electrode 70 can be continuous print planar structure.Like this, do not need to carry out to expose in the process making guarded electrode 70, develop, the step such as etching, make the manufacture craft of guarded electrode 70 simple.
Such as, in order to save technological process, guarded electrode 70 can be formed in the step of formation first touch control electrode 31 and the second touch control electrode 32.Such as, one in the first touch control electrode 31 and the second touch control electrode 32 comprises multiple sub-electrode of being arranged in order and multiple connecting portion, and connecting portion and the different layer of sub-electrode are arranged, and adjacent two sub-electrodes are by a connecting portion electrical connection; Another in first touch control electrode 31 and the second touch control electrode 32 is formed continuously, and arranges with layer with sub-electrode.That is, the first touch control electrode 31 and the second touch control electrode 32 can adopt bridge point type touch-control structure.Such as, as shown in figures 4 a and 4b, the first touch control electrode 31 can comprise multiple sub-electrode 31a and multiple connecting portion 31b, and two adjacent sub-electrode 31a are electrically connected by a connecting portion 31b; Second touch control electrode 32 is arranged with layer with sub-electrode 31a, and and is spaced apart from each other by insulation course 62 between connecting portion 31b.In this case, guarded electrode 70 can be arranged with layer with connecting portion 31b, and namely the two can be formed by same film, thus can save technological process.
Fig. 4 a can be applied in OGS touch screen, and Fig. 4 b can be applied in covering surfaces formula touch screen.Certainly, the utility model embodiment is including, but not limited to situation shown in Fig. 4 a and Fig. 4 b.No matter be Fig. 4 a and Fig. 4 b situation, for embodiment of the present utility model, the first touch control electrode and the second touch control electrode are arranged on than the first wire and wiring region wire closer to the touch side (carrying out the side of touch operation) touching substrate.
In figs. 4 a and 4b, the sub-electrode 31a of the first touch control electrode 31 and conducting bridge 31b is by via hole (not marking in the figure) electrical connection in insulation course 62, in this case, second insulation course 62 can adopt the organic materials such as resin to make usually, can be conducive to like this carrying out composition by such as photoetching process etc. to the second insulation course 62, form required pattern to make it.
Of the present utility model at least one embodiment still provides a kind of display device, it comprises the touch base plate that above-mentioned any embodiment provides.
Such as; as shown in Figure 5; this display device can comprise the array base palte 1 and counter substrate 2 that are oppositely arranged, or this display device can comprise the array base palte 1 and counter substrate 2 that are oppositely arranged and the protective substrate 5 away from array base palte 1 side being arranged at counter substrate 2.In the display device, counter substrate 2 can as touch base plate, and the first touch control electrode 31, second touch control electrode 32 and the first wire 41 are arranged at the side away from array base palte 1 of counter substrate 2, that is, this display device adopts covering surfaces pattern; Or protective substrate 5 can as touch base plate, and the first touch control electrode 31, second touch control electrode 32 and the first wire 41 are arranged on protective substrate 5, that is, this display device adopts OGS pattern.
Such as, counter substrate 2 can be color membrane substrates, namely counter substrate 2 is provided with the chromatic filter layer such as comprising red filter pattern R, green filter pattern G and blue filter pattern B; Or counter substrate 2 can be also transparency carrier, namely it does not arrange chromatic filter layer.
The display device that the utility model embodiment provides can be: any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, OLED (OrganicLight-EmittingDiode) panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
Of the present utility model at least one embodiment still provides a kind of method for making of touch base plate, as shown in Fig. 2 a to Fig. 2 c, the wiring region 102 that this touch base plate has Touch Zone 101 and is positioned at outside Touch Zone 101, this method for making comprises the following steps S11 to step S13, introduces these steps in detail below.
Step S11: form the first touch control electrode 31 and the second touch control electrode 32 in Touch Zone 101.In this step, the first touch control electrode 31 extends to the second side edge 101b of Touch Zone 101 from the first side edge 101a of Touch Zone 101 along first direction; Second touch control electrode 32 extends to the four side edge 101d of Touch Zone 101 from the 3rd lateral edges 101c of Touch Zone 101 along second direction, second direction is crossing with first direction, and wiring region 102 is positioned at the four side edge 101d place of Touch Zone 101.
Adopt bridge point type touch-control structure for the first touch control electrode 31 and the second touch control electrode 32, form the first touch control electrode 31 and the second touch control electrode 32 such as can comprise the following steps S111 to step S113, be described below in conjunction with Fig. 4 a.
Step S111: form the first transparent conductive film, and be patterned process, to form multiple sub-electrode 31a and second touch control electrode 32 of the first touch control electrode 31 be spaced apart from each other.
Step S112: the via hole (Fig. 4 a is not shown) forming the second insulation course 62 and be arranged in wherein on the sub-electrode 31a and the second touch control electrode 32 of the first touch control electrode 31.
Step S113: form the second transparent conductive film on the second insulation course 62, and be patterned process, to form the connecting portion 31b of the first touch control electrode 31, and connecting portion 31b is electrically connected with sub-electrode 31a by the via hole in the second insulation course 62.
Step S12: form the first wire 41 be electrically connected with one of the first touch control electrode 31 and second touch control electrode 32.In this step, the first wire 41 extends to the four side edge 101d of Touch Zone 101 in Touch Zone 101 after drawing from the junction with one of the first touch control electrode 31 and the second touch control electrode 32, and extends to wiring region 102 from four side edge.
Step S13: between formation first touch control electrode 31 and the step S11 of the second touch control electrode 32 and the step S12 of formation the first wire 41, at least form the first insulation course 61 in Touch Zone 101.In this step, along on the direction perpendicular to the first face, insulation course 61 place, first touch control electrode 31 and the second touch control electrode 32 are formed at the first side of the first insulation course 61, and the first wire 41 is formed at the second side of the first insulation course 61, and the second side and the first side are toward each other.
In the method for making that the utility model embodiment provides, the order of step S11 and step S12 is not limit.In addition, in step s 12, synchronously wiring region wire 43 can also be formed when formation the first wire 41.
Because wire is arranged in Touch Zone 101, in order to not affect Signal transmissions as far as possible, such as, between formation first touch control electrode and the step S11 of the second touch control electrode and the step S13 of formation the first insulation course, the method that the utility model embodiment provides can also comprise formation second insulation course and guarded electrode.In the method, guarded electrode is formed at the first side of the first insulation course, the first wire guarded electrode orthogonal projection on the whole and guarded electrode have lap, guarded electrode and the first touch control electrode and the second touch control electrode insulate by the second insulation course mutually.
In the method for making that the utility model embodiment provides, arranging of each parts with reference to the description of same parts in the embodiment of above-mentioned touch base plate, can repeat part and repeats no more.
Such as, for the situation shown in Fig. 3 a, after formation first touch control electrode 31 and the second touch control electrode 32, the method for making of the touch base plate that the utility model embodiment provides can also comprise the following steps S31 to step S35, is described in detail below.
Step S31: at the first touch control electrode 31 and upper the second insulation course 62 forming whole of one deck of the second touch control electrode (not shown in Fig. 3 a).Such as, the second insulation course 62 can be formed by the mode of serigraphy, and the second insulation course 62 can adopt the inorganic material such as such as silicon oxynitride.
Step S32: the guarded electrode 70 forming whole of one deck on the second insulation course 62.
Step S33: the first insulation course 61 forming whole on guarded electrode 70.Such as, the first insulation course 61 can be formed by the mode of serigraphy, and the first insulation course 61 can adopt the inorganic material such as such as silicon oxynitride.
Step S34: form metallic film on the first insulation course 61, and be patterned process to form the first wire 41 and wiring region wire (not shown in Fig. 3 a), the first wire 41 is electrically connected with the first touch control electrode 31 and wiring region wire is electrically connected with the second touch control electrode (not shown in Fig. 3 a).
Step S35: form protective seam 50 on the first wire 41 and wiring region wire.
For the touch base plate shown in Fig. 3 b, the method for making of its method for making and Fig. 3 a is similar, and just order is different, repeats no more herein.
For the situation shown in Fig. 4 a, the method for making of the first touch control electrode 31, second touch control electrode 32 and the second insulation course 62 can adopt the mode described in above-mentioned steps S111 to step S113, and in step S113, guarded electrode 70 can also be formed, to save technological process while the connecting portion 31b of formation first touch control electrode 31; Step afterwards and above-mentioned steps S33 similar to step S35, repeat part repeat no more.
For the touch base plate shown in Fig. 4 b, the method for making of its method for making and Fig. 4 a is similar, and just order is different, repeats no more herein.
The above is only exemplary embodiment of the present utility model, but not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.
Claims (13)
1. a touch base plate, is characterized in that: described touch base plate has Touch Zone and is positioned at the wiring region outside described Touch Zone, and comprises:
Be arranged at the first touch control electrode of described Touch Zone, described first touch control electrode extends to the second side edge of described Touch Zone from the first side edge of described Touch Zone along first direction;
Be arranged at the second touch control electrode of described Touch Zone, wherein, described second touch control electrode extends to the four side edge of described Touch Zone from the 3rd lateral edges of described Touch Zone along second direction, described second direction is crossing with described first direction, and described wiring region is positioned at the four side edge place of described Touch Zone;
First wire, be electrically connected with one of described first touch control electrode and described second touch control electrode, wherein, described first wire extends to the four side edge of described Touch Zone from the junction one of described in described first touch control electrode and described second touch control electrode in described Touch Zone, and extends to described wiring region from described four side edge; And
First insulation course, at least be arranged in described Touch Zone, wherein, along on the direction perpendicular to described first face, insulation course place, described first touch control electrode and described second touch control electrode are arranged at the first side of described first insulation course, described first wire is arranged at the second side of described first insulation course, and described second side and described first side are toward each other.
2. touch base plate according to claim 1, it is characterized in that: described touch base plate also comprises the second wire, described second wire is electrically connected with another in described first touch control electrode and described second touch control electrode, described second wire from described first touch control electrode and described second touch control electrode described in another junction in described Touch Zone, extend to the four side edge of described Touch Zone, and extend to described wiring region from described four side edge.
3. touch base plate according to claim 1 and 2, it is characterized in that: described touch base plate also comprises wiring region wire, described wiring region wire is electrically connected with described second touch control electrode at described four side edge place, and extends to described wiring region from described four side edge.
4. touch base plate according to claim 1 and 2, is characterized in that: described touch base plate also comprises:
Guarded electrode, described guarded electrode is arranged at described first side of described first insulation course, described first wire described guarded electrode orthogonal projection on the whole and described guarded electrode have lap; And
Second insulation course, insulate mutually by described guarded electrode and described first touch control electrode and described second touch control electrode.
5. touch base plate according to claim 4, is characterized in that: described guarded electrode is continuous print planar structure.
6. touch base plate according to claim 4, is characterized in that:
One of described first touch control electrode and described second touch control electrode comprise multiple sub-electrode of being arranged in order and multiple connecting portion, and described multiple connecting portion and the different layer of described multiple sub-electrode are arranged, and adjacent two sub-electrodes are by a connecting portion electrical connection;
Described guarded electrode and described connecting portion are arranged with layer.
7. touch base plate according to claim 4, is characterized in that: the material of described guarded electrode comprises transparent conducting metal oxide.
8. touch base plate according to claim 4, is characterized in that: the material of at least one in described first insulation course and described second insulation course comprises inorganic material.
9. touch base plate according to claim 1 and 2, is characterized in that: the material of described first insulation course comprises inorganic material.
10. touch base plate according to claim 1 and 2, is characterized in that: along described first direction, and the size of described touch base plate equals the distance between described first side edge and described second side edge.
11. 1 kinds of display device, is characterized in that: described display device comprises the touch base plate according to any one of claim 1-10.
12. display device according to claim 11, is characterized in that:
Described display device comprises the array base palte and counter substrate that are oppositely arranged,
Described counter substrate is as described touch base plate, and described first touch control electrode, described second touch control electrode and described first wire are arranged at the side away from described array base palte of described counter substrate.
13. display device according to claim 11, is characterized in that: described display device comprises the array base palte and counter substrate that are oppositely arranged and the protective substrate away from described array base palte side being arranged at described counter substrate,
Described protective substrate is as described touch base plate, and described first touch control electrode, described second touch control electrode and described first wire are arranged on described protective substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520729863.2U CN204965393U (en) | 2015-09-18 | 2015-09-18 | Touch substrate and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729863.2U CN204965393U (en) | 2015-09-18 | 2015-09-18 | Touch substrate and display device |
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| CN204965393U true CN204965393U (en) | 2016-01-13 |
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| CN105204683A (en) * | 2015-09-18 | 2015-12-30 | 京东方科技集团股份有限公司 | Touch substrate as well as manufacturing method thereof and display device |
| CN105824473A (en) * | 2016-03-21 | 2016-08-03 | 京东方科技集团股份有限公司 | Touch screen panel and display device |
| CN107092393A (en) * | 2017-04-21 | 2017-08-25 | 京东方科技集团股份有限公司 | Touch base plate and preparation method thereof and touch-control display panel |
| CN108319398A (en) * | 2018-02-28 | 2018-07-24 | 京东方科技集团股份有限公司 | A kind of touch panel and preparation method thereof, touch device |
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| CN105204683A (en) * | 2015-09-18 | 2015-12-30 | 京东方科技集团股份有限公司 | Touch substrate as well as manufacturing method thereof and display device |
| WO2017045342A1 (en) * | 2015-09-18 | 2017-03-23 | 京东方科技集团股份有限公司 | Touch substrate and manufacturing method thereof, and display device |
| US10466846B2 (en) | 2015-09-18 | 2019-11-05 | Boe Technology Group Co., Ltd. | Touch substrate and manufacturing method thereof, and display device |
| CN105824473A (en) * | 2016-03-21 | 2016-08-03 | 京东方科技集团股份有限公司 | Touch screen panel and display device |
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| CN107092393A (en) * | 2017-04-21 | 2017-08-25 | 京东方科技集团股份有限公司 | Touch base plate and preparation method thereof and touch-control display panel |
| US11061518B2 (en) | 2017-04-21 | 2021-07-13 | Boe Technology Group Co., Ltd. | Touch substrate and manufacturing method thereof, touch display panel |
| CN108319398A (en) * | 2018-02-28 | 2018-07-24 | 京东方科技集团股份有限公司 | A kind of touch panel and preparation method thereof, touch device |
| CN108319398B (en) * | 2018-02-28 | 2021-04-30 | 京东方科技集团股份有限公司 | Touch panel, preparation method thereof and touch device |
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