CN103376939A - Touch panel, touch display panel and manufacture method of touch panel - Google Patents
Touch panel, touch display panel and manufacture method of touch panel Download PDFInfo
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- CN103376939A CN103376939A CN2013100481670A CN201310048167A CN103376939A CN 103376939 A CN103376939 A CN 103376939A CN 2013100481670 A CN2013100481670 A CN 2013100481670A CN 201310048167 A CN201310048167 A CN 201310048167A CN 103376939 A CN103376939 A CN 103376939A
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Abstract
The invention discloses a touch panel which comprises a base, a decoration layer, a touch sensing element and at least one first insulation pattern. The base is provided with a light transmitting area and a peripheral area, and the decoration layer is arranged in the peripheral area of the base. The touch sensing element comprises a first patterning transparent sensing layer which is at least arranged in the light transmitting area of the base, wherein the first patterning transparent sensing layer extends into the peripheral area and is partially overlaid with the decoration layer. The insulation pattern is arranged in the peripheral area of the base and positioned between the first patterning transparent sensing layer and the decoration layer, so that the first patterning transparent sensing layer does not contact with the decoration layer.
Description
Technical field
The present invention relates to a kind of Trackpad and a kind of touch-control display board with and manufacture method, particularly a kind of Trackpad that reduces short-circuit risks and touch-control display board with and manufacture method.
Background technology
Trackpad is owing to have human-computer interaction and the diversified characteristic of design, and is widely used in the input interface of electronic product.In recent years along with the consumption electronic products application surface is more and more wider, the product of touch controllable function being combined with display and using is also more and more, such as mobile phone (mobile phone), GPS (GPS navigator system), flat computer (tablet PC) and notebook (laptop PC) etc.Generally speaking, the substrate of Trackpad has photic zone and surrounding zone, wherein be provided with at least to provide the transparent sensing electrode of touch-control input function in photic zone, the surrounding zone is then laid and is electrically connected with transparent sensing electrode and in order to transmit the plain conductor of sensing signal.In addition, in order to ensure the touch controllable function at photic zone edge, transparent sensing electrode usually can extend to the surrounding zone and can be with overlapping in order to the decorative layer (decoration layer) that covers plain conductor and contact.
Yet; owing to have high tack in order to transparent conductive material and the decorative layer of making transparent sensing electrode; therefore at the etching transparent conductive material with when forming transparent sensing electrode; usually can can't be fully etched and remain on the decorative layer because of transparent conductive material, produce short circuit and cause the touch controllable function of Trackpad to lose efficacy.
Summary of the invention
One of purpose of the present invention is in that a kind of Trackpad is provided, in order to reduce short-circuit risks.
A preferred embodiment of the present invention provides a kind of Trackpad, comprises a substrate, a decorative layer, a touch-control sensing element and at least one the first insulating pattern.Substrate has a photic zone and a surrounding zone.Decorative layer is arranged in the surrounding zone of substrate.The touch-control sensing element comprises the transparent sensed layer of one first patterning, is arranged at least in the photic zone of substrate, and wherein the transparent sensed layer of the first patterning extends in the surrounding zone and be overlapping with sections decorative layer.The first insulating pattern be arranged in the surrounding zone of substrate and the position between the transparent sensed layer of the first patterning and decorative layer, so that the transparent sensed layer of the first patterning does not contact with decorative layer.
Another preferred embodiment of the present invention provides a kind of method of making Trackpad, comprises the following steps.One substrate is provided, and wherein substrate has a photic zone and a surrounding zone.In the surrounding zone of substrate, form a decorative layer.Form at least one the first insulating pattern at decorative layer.Form a transparency conducting layer in substrate, and partly remove the position at the transparency conducting layer of photic zone and partly remove the transparency conducting layer of position on the first insulating pattern, to form the transparent sensed layer of one first patterning.The transparent sensed layer of the first patterning comprises a plurality of transparent sensing electrodes, wherein the transparent sensing electrode of a part is arranged in the photic zone of substrate, the transparent sensing electrode of another part be arranged on the decorative layer with the first insulating pattern on, have a gap digit in the surrounding zone between the adjacent transparent sensing electrode.The part of the first insulating pattern is arranged in the gap between the adjacent transparent sensing electrode, and another part of the first insulating pattern be respectively the position between decorative layer and transparent sensing electrode and at least part of overlapping with decorative layer and transparent sensing electrode.
Another preferred embodiment of the present invention provides a kind of Trackpad, comprises a substrate, a decorative layer, the transparent sensed layer of one first patterning and at least one the first insulating pattern.Substrate has a photic zone and a surrounding zone.Decorative layer is arranged in the surrounding zone of substrate.The transparent sensed layer of the first patterning is by comprising that the etching of transparent conductive material institute forms, and the transparent sensed layer of the first patterning is arranged in the photic zone of described plate, and extends in the surrounding zone and overlapping with sections decorative layer.The first insulating pattern is arranged on the surrounding zone of substrate, and the position is between the transparent sensed layer of the first patterning and decorative layer, and corresponding etched transparent conductive material setting.
Another preferred embodiment of the present invention provides a kind of Trackpad, comprises a substrate, a decorative layer, the transparent sensed layer of one first patterning and at least one the first insulating pattern.Substrate has a photic zone and a surrounding zone.Decorative layer is arranged in the surrounding zone of substrate.The transparent sensed layer of the first patterning is by comprising that the etching of transparent conductive material institute forms, and the transparent sensed layer of the first patterning is arranged in the photic zone of substrate, and extends in the surrounding zone and overlapping with sections decorative layer.The first insulating pattern is arranged on the surrounding zone of substrate, and the position is on decorative layer so that at the etching transparent conductive material when forming the transparent sensed layer of the first patterning, the position on the surrounding zone and etched transparent conductive material can not produce residual.
Another preferred embodiment of the present invention provides a kind of method of making Trackpad, comprises the following steps.One substrate is provided, and wherein substrate has a photic zone and a surrounding zone.In the surrounding zone of substrate, form a decorative layer.Form at least one the first insulating pattern at decorative layer.Utilize a transparent conductive material to form a transparency conducting layer in substrate, make transparent conductive material cover photic zone and the surrounding zone of substrate, and cover the first insulating pattern.The etching transparent conductive material to be to form the transparent sensed layer of one first patterning, wherein, during transparent conductive material in the etching position on the surrounding zone, the position on the surrounding zone and etched transparent conductive material can not produce residual.
Another preferred embodiment of the present invention provides a kind of Trackpad, comprises a substrate, a decorative layer, a touch-control sensing element and at least one the first insulating pattern.Substrate has a photic zone and a surrounding zone.Decorative layer is arranged in the surrounding zone of substrate.The touch-control sensing element comprises a plurality of transparent sensing electrodes, wherein the transparent sensing electrode of a part is arranged in the photic zone of substrate, the transparent sensing electrode of another part is arranged on the decorative layer and is overlapping with sections decorative layer, and has a gap digit in the surrounding zone between the adjacent transparent sensing electrode.The first insulating pattern is arranged in the surrounding zone, wherein the part of the first insulating pattern is arranged in the gap between the adjacent transparent sensing electrode, and another part of the first insulating pattern be respectively the position between decorative layer and transparent sensing electrode and at least part of overlapping with decorative layer and transparent sensing electrode.
Another preferred embodiment of the present invention provides a kind of touch-control display board, comprises a display board, and above-mentioned Trackpad.Display board has a display surface, and above-mentioned Trackpad is arranged on the display surface of display board.
Description of drawings
Fig. 1 is to the synoptic diagram of the Trackpad that Figure 3 shows that the first preferred embodiment of the present invention.
Figure 4 shows that the synoptic diagram of Trackpad of an alternate embodiment of the first preferred embodiment of the present invention.
Fig. 5 and the synoptic diagram that Figure 6 shows that the Trackpad of the second preferred embodiment of the present invention.
The synoptic diagram of Trackpad of Fig. 7 and an alternate embodiment that Figure 8 shows that the second preferred embodiment of the present invention.
Fig. 9 is to the synoptic diagram of the Trackpad that Figure 11 shows that the 3rd preferred embodiment of the present invention.
Figure 12 shows that the synoptic diagram of Trackpad of an alternate embodiment of the 3rd preferred embodiment of the present invention.
Figure 13 shows that the process flow diagram of method of the making Trackpad of the fourth embodiment of the present invention.
Figure 14 is to the synoptic diagram of the produced Trackpad of the method that Figure 16 shows that the fourth embodiment of the present invention.
Figure 17 shows that the synoptic diagram of Trackpad of one first alternate embodiment of the fourth embodiment of the present invention.
Figure 18 shows that the synoptic diagram of Trackpad of one second alternate embodiment of the fourth embodiment of the present invention.
Figure 19 shows that the synoptic diagram of Trackpad of one the 3rd alternate embodiment of the fourth embodiment of the present invention.
Figure 20 shows that the synoptic diagram of the Trackpad of the fifth embodiment of the present invention.
Shown in Figure 21 is the synoptic diagram of the touch-control display board of a preferred embodiment of the present invention.
Wherein, description of reference numerals is as follows:
12 substrates of 10 Trackpads
14 decorative layers, 161 first insulating patterns
20 touch-control sensing element 12A photic zones
The transparent sensed layer of 12B surrounding zone 21 first patternings
21X first transparent sensing electrode 21C the first transparent connecting line
21Y the second transparent sensing electrode 162 second insulating patterns
23C the second connecting line 10 ' Trackpad
The transparent sensing electrode of 30 Trackpad 21P
30 ' Trackpad, 40 Trackpads
Transparent sensed layer 22Y the second transparent sensing electrode of 22 second patternings
22C the second transparent connecting line 163 the 3rd insulating pattern
80 display boards, 90 Trackpads
100 touch-control display boards, 18 protective seams
200 ' Trackpad 200 ' ' Trackpad
141A the first color decorative layer 141B the first color decorative layer
141C the first color decorative layer 141D the first color decorative layer
142 second color decorative layers 200 ' ' ' Trackpad
300 Trackpad 21D void are put electrode
The s gap
Embodiment
Have the knack of those skilled in the art and can further understand the present invention for making, hereinafter the spy enumerates the preferred embodiments of the present invention, and cooperates appended accompanying drawing, describe in detail constitution content of the present invention and the effect wanting to reach.
Please refer to Fig. 1 to Fig. 3.Fig. 1 is to the synoptic diagram of the Trackpad that Figure 3 shows that the first preferred embodiment of the present invention, wherein Fig. 1 looks synoptic diagram on the Trackpad of present embodiment, Fig. 2 be the Trackpad of Fig. 1 along the cross-sectional schematic of hatching line A-A ', and Fig. 3 is that the Trackpad of Fig. 1 is along the cross-sectional schematic of hatching line B-B '.To shown in Figure 3, the Trackpad 10 of present embodiment comprises a substrate 12, a decorative layer 14, a touch-control sensing element 20 and at least one the first insulating pattern 161 such as Fig. 1.Substrate 12 can be a for example substrate of glass of a rigid transparent substrates, or a pliability transparent substrates, a for example plastic cement substrate, but not as limit.Substrate 12 has a photic zone 12A, and a surrounding zone 12B is around photic zone 12A.Decorative layer 14 is arranged in the surrounding zone 12B of substrate 12.The material of decorative layer 14 can comprise for example black photoresistance, pottery, diamond-like carbon film-coating (Diamond-like carbon), printing ink or organic material wherein at least a of photoresistance, but not as limit.Touch-control sensing element 20 is the photic zone 12A that are arranged at least substrate 12, in order to realize touch-control input function.Touch-control sensing element 20 can comprise the transparent sensed layer 21 of one first patterning, be arranged in the photic zone 12A of substrate 12 and with decorative layer 14 and overlap, wherein the transparent sensed layer 21 of the first patterning extends in the 12B of surrounding zone, in order to the touch-control input function of the intersection of guaranteeing photic zone 12A and surrounding zone 12B or increase the touch-control input function of the subregion of surrounding zone 12B.The first insulating pattern 161 (as shown in Figure 2) is arranged on the interior also position of surrounding zone 12B of substrate 12 between the transparent sensed layer 21 of the first patterning and decorative layer 14, and the transparent sensed layer 21 of the first patterning does not contact with decorative layer 14.In addition, a protective seam 18 (as shown in Figure 2) can be set further in the substrate 12, cover the transparent sensed layer 21 of the first patterning and decorative layer 14 partly.The material of protective seam 18 can be an inorganic protective layer, for example silicon dioxide layer, or organic protection layer.Moreover the surrounding zone 12B of substrate 12 can be provided with the wire (not shown) that is electrically connected with the transparent sensed layer 21 of the first patterning in addition, and the touching signals that whereby the transparent sensed layer 21 of the first patterning is sensed is delivered to the sensor chip (not shown).Decorative layer 14, the first insulating pattern 161 and the transparent sensed layer 21 of the first patterning can be arranged on the same surface of substrate 12, but not as limit.The transparent sensed layer 21 of the first patterning is transparency conducting layers, and its material can comprise such as tin indium oxide (ITO) or indium zinc oxide (IZO) etc., but not as limit.The material of the first insulating pattern 161 can be organic insulation, but also not can be inorganic insulating material as limit.In addition, the first insulating pattern 161 can be individual layer insulating pattern or composite bed insulating pattern.
The first insulating pattern 161 of the present invention is arranged on the interior also position of surrounding zone 12B of substrate 12 between the transparent sensed layer 21 of the first patterning and decorative layer 14, avoid whereby the transparent sensed layer 21 of the first patterning to contact with decorative layer 14, when the transparent sensed layer 21 of etching the first patterning, or not residual of transparent conductive material can not be produced thus, and short-circuit risks can be reduced.
Arrive shown in Figure 3 such as Fig. 1, in the present embodiment, the transparent sensed layer 21 of the first patterning comprises that a plurality of first transparent sensing electrode 21X and many first transparent connecting line 21C are arranged in the photic zone 12A of substrate 12 along a direction (for example X-direction), and a plurality of second transparent sensing electrode 21Y is arranged in the photic zone 12A of substrate 12 along other direction (for example Y direction).Each first transparent sensing electrode 21X and each the second transparent sensing electrode 21Y comprise respectively a for example rhombus electrode, but not can be for example electrode of triangular-shaped electrodes, rectangular electrode, linear electrode or other various shapes as limit.Two first adjacent transparent sensing electrode 21X connect by one first transparent connecting line 21C, wherein at least one first transparent sensing electrode 21X and decorative layer 14 are overlapped, and the first insulating pattern 161 is arranged between the first transparent sensing electrode 21X and the decorative layer 14.In addition, touch-control sensing element 20 also comprises a plurality of the second insulating patterns 162 and many second connecting line 23C.Two second adjacent transparent sensing electrode 21Y connect by one second connecting line 23C, wherein at least one second transparent sensing electrode 21Y and decorative layer 14 are overlapped, and the first insulating pattern 161 is arranged between the second transparent sensing electrode 21Y and the decorative layer 14.In addition, each second insulating pattern 162 is to be separately positioned between the first transparent connecting line 21C and corresponding the second connecting line 23C.In the present embodiment, touch-control sensing element 20 is single layered transparent electrode structures, that is to say that the first transparent sensing electrode 21X, the first transparent connecting line 21C and the second transparent sensing electrode 21Y are made of the transparent sensed layer 21 of the first patterning; In addition, then consisted of by another layer conductive layer in order to the second connecting line 23C that connects the second adjacent transparent sensing electrode 21Y.The second connecting line 23C can be a metal connecting line or a transparent connecting line.In addition, in the present embodiment, the second insulating pattern 162 is arranged on the second corresponding connecting line 23C, and the transparent sensed layer 21 of the first patterning is arranged on described the second insulating pattern 162.The second insulating pattern 162 and the first insulating pattern 161 can be the same layer patterned insulation layer, utilize same Patternized technique to be made.
Trackpad of the present invention is not limited with above-described embodiment.Hereinafter will sequentially introduce Trackpad and the touch-control display board of other preferred embodiment of the present invention, and for the ease of relatively different place and the simplified illustration of each embodiment, use in the following embodiments the identical identical element of symbol mark, and the different place mainly for each embodiment describes, and no longer repeating part is given unnecessary details.
Please refer to Fig. 4.Figure 4 shows that the synoptic diagram of Trackpad of an alternate embodiment of the first preferred embodiment of the present invention.As shown in Figure 4, in this alternate embodiment, the second insulating pattern 162 of Trackpad 10 ' is arranged on the transparent sensed layer 21 of the first patterning, and the second connecting line 23C is arranged on the second corresponding insulating pattern 162.The first insulating pattern 161 is arranged on the interior also position of surrounding zone 12B of substrate 12 between the transparent sensed layer 21 of the first patterning and decorative layer 14, and the second insulating pattern 162 is arranged between the transparent sensed layer 21 of the first patterning and the second connecting line 23C, and the first insulating pattern 161 and the second insulating pattern 162 are made of the different layers patterned insulation layer.
Please refer to Fig. 5 and Fig. 6.Fig. 5 and Fig. 6 are the synoptic diagram of the Trackpad of the second preferred embodiment of the present invention, and wherein Fig. 5 looks synoptic diagram on the Trackpad of present embodiment, and Fig. 6 is that the Trackpad of Fig. 5 is along the cross-sectional schematic of hatching line C-C '.Such as Fig. 5 and shown in Figure 6, in the present embodiment, the transparent sensed layer 21 of the first patterning of Trackpad 30 comprises a plurality of transparent sensing electrode 21P, and is electrically isolated from one.In addition, the position is to extend to surrounding zone 12B and overlap with decorative layer 14 at the transparent sensing electrode 21P of photic zone 12A.The first insulating pattern 161 is arranged on the interior also position of surrounding zone 12B of substrate 12 between transparent sensing electrode 21P and decorative layer 14, and transparent sensing electrode 21P does not contact with decorative layer 14.In the present embodiment, transparent sensing electrode 21P is a rectangular electrode.
Please refer to Fig. 7 and Fig. 8.The synoptic diagram of Trackpad of Fig. 7 and an alternate embodiment that Figure 8 shows that the second preferred embodiment of the present invention, wherein Fig. 7 looks synoptic diagram on the Trackpad of present embodiment, and Fig. 8 is that the Trackpad of Fig. 7 is along the cross-sectional schematic of hatching line D-D '.Such as Fig. 7 and shown in Figure 8, in this alternate embodiment, the transparent sensed layer 21 of the first patterning of Trackpad 30 ' also comprises a plurality of transparent sensing electrode 21P, and adjacent transparent sensing electrode 21P is electrically isolated from one.In addition, the position is to extend to surrounding zone 12B and overlap with decorative layer 14 at the transparent sensing electrode 21P of photic zone 12A.The first insulating pattern 161 is arranged on the interior also position of surrounding zone 12B of substrate 12 between transparent sensing electrode 21P and decorative layer 14, and transparent sensing electrode 21P does not contact with decorative layer 14.The place that is different from the second preferred embodiment exists, and the transparent sensing electrode 21P of this alternate embodiment is a triangular-shaped electrodes.
Please refer to Fig. 9 to Figure 11.Fig. 9 is to the synoptic diagram of the Trackpad that Figure 11 shows that the 3rd preferred embodiment of the present invention, wherein Fig. 9 looks synoptic diagram on the Trackpad of present embodiment, Figure 10 be the Trackpad of Fig. 9 along the cross-sectional schematic of hatching line E-E ', and Figure 11 is that the Trackpad of Fig. 9 is along the cross-sectional schematic of hatching line F-F '.To shown in Figure 11, in the Trackpad 40 of present embodiment, touch-control sensing element 20 is the pair of lamina transparent electrode structure such as Fig. 9.Therefore, touch-control sensing element 20 comprises the transparent sensed layer 21 of one first patterning and the transparent sensed layer 22 of one second patterning.The transparent sensed layer 21 of the first patterning comprises a plurality of first transparent sensing electrode 21X and many first transparent connecting line 21C, two first adjacent transparent sensing electrode 21X connect by the first transparent connecting line 21C, wherein at least one first transparent sensing electrode 21X and decorative layer 14 are at least part of overlapping, and the first insulating pattern 161 is arranged between the first transparent sensing electrode 21X and the decorative layer 14.The transparent sensed layer 22 of the second patterning comprises a plurality of second transparent sensing electrode 22Y and many second transparent connecting line 22C, and wherein two second adjacent transparent sensing electrode 22Y connect by the second transparent connecting line 22C.In the present embodiment, the transparent sensed layer 21 of the first patterning and the transparent sensed layer 22 of the second patterning are arranged on the same surface of substrate 12, and the transparent sensed layer 21 of the first patterning is arranged on the transparent sensed layer 22 of the second patterning.In addition, touch-control sensing element 20 comprises that also one second insulating pattern 162 is arranged on the interior also position of photic zone 12A between the transparent sensed layer 21 of the first patterning and the transparent sensed layer 22 of the second patterning, the first insulating pattern 161 is arranged between the first transparent sensing electrode 21X and the decorative layer 14, and the second insulating pattern 162 and the first insulating pattern 161 can be the same layer insulation course.In addition, at least one second transparent sensing electrode 22Y and decorative layer 14 are overlapped, and Trackpad 40 also comprises at least one the 3rd insulating pattern 163, be arranged in the 12B of surrounding zone and the position between the second transparent sensing electrode 22Y and decorative layer 40.
Please refer to Figure 12.Figure 12 shows that the synoptic diagram of Trackpad of an alternate embodiment of the 3rd preferred embodiment of the present invention.As shown in figure 12, in this alternate embodiment, the transparent sensed layer 21 of the first patterning of Trackpad 40 ' and the transparent sensed layer 22 of the second patterning are arranged on the different surfaces of substrate 12, and the transparent sensed layer 21 of the first patterning and decorative layer 14 are arranged on the same surface of substrate 12.In addition, the first insulating pattern 161 is arranged between the first transparent sensing electrode 21X and the decorative layer 14.
Please refer to Figure 13 to Figure 16.Figure 13 shows that the process flow diagram of method of the making Trackpad of the fourth embodiment of the present invention, Figure 14 is to the synoptic diagram of the produced Trackpad of the method that Figure 16 shows that the fourth embodiment of the present invention, wherein Figure 14 looks synoptic diagram on the Trackpad of present embodiment, Figure 15 be the Trackpad of Figure 14 along the cross-sectional schematic of hatching line G-G ', and Figure 16 is that the Trackpad of Figure 14 is along the cross-sectional schematic of hatching line H-H '.To shown in Figure 16, at first, provide substrate 12 such as Figure 13, wherein substrate 12 has a photic zone 12A and a surrounding zone 12B.Then, in the 12B of the surrounding zone of substrate 12, form a decorative layer 14.In the present embodiment, the material of decorative layer 14 comprises for example black photoresistance, pottery, diamond-like carbon film-coating, printing ink or organic material wherein at least a of photoresistance for example, but not as limit.Subsequently, form at least one the first insulating pattern 161 at decorative layer 14.The material of the first insulating pattern 161 can be organic insulation, but also not can be inorganic insulating material as limit.In addition, the first insulating pattern 161 can be individual layer insulating pattern or composite bed insulating pattern.Afterwards, form a transparency conducting layer in substrate 12, and partly remove the position at the transparency conducting layer of photic zone 12A and partly remove the transparency conducting layer of position on the first insulating pattern 161, in order to form the transparent sensed layer 21 of one first patterning.By said method, can produce the Trackpad 200 of present embodiment.In the present embodiment, the transparent sensed layer 21 of the first patterning comprises a plurality of transparent sensing electrodes (comprising a plurality of first transparent sensing electrode 21X and a plurality of second transparent sensing electrode 21Y) and many first transparent connecting line 21C.Two first adjacent transparent sensing electrode 21X connect by the first transparent connecting line 21C.In addition, the transparent sensing electrode of a part is arranged in the photic zone 12A of substrate 12, the transparent sensing electrode of another part be arranged on the decorative layer 14 with the first insulating pattern 161 on, have g position, a gap between the adjacent transparent sensing electrode in the 12b of surrounding zone.In addition, the part of the first insulating pattern 161 is arranged in the gap g between the adjacent transparent sensing electrode (the gap g between the first transparent sensing electrode 21X and the second transparent sensing electrode 21Y), and another part of the first insulating pattern 161 be respectively the position between decorative layer 14 and transparent sensing electrode and at least part of overlapping with decorative layer 14 and transparent sensing electrode.The method of present embodiment also is included in and forms before the transparent sensed layer 21 of the first patterning, form many second connecting line 23C in substrate 12, a plurality of the second insulating patterns 162 and many strip metals wire 24, wherein two second adjacent transparent sensing electrode 21Y are the second connecting line 23C connections by correspondence, each second insulating pattern 162 is to be separately positioned between the first transparent connecting line 21C and corresponding the second connecting line 23C, and plain conductor 24 is arranged on the decorative layer 14 of surrounding zone 12B also respectively with the first corresponding transparent sensing electrode 21X and is electrically connected with the second transparent sensing electrode 21Y.The second connecting line 23C can comprise metal connecting line or transparent connecting line, and the second insulating pattern 162 and the first insulating pattern 161 can be made of the same dielectric material, and can utilize same Patternized technique to form, but not as limit.In the present embodiment, the second insulating pattern 162 is arranged on the second connecting line 23C, and the first transparent connecting line 21C is arranged on the second insulating pattern 162, but not as limit.In an alternate embodiment, the second insulating pattern 162 can be arranged on the first transparent connecting line 21C, and the second connecting line 23C can be arranged on the second insulating pattern 162.From the above, because the first insulating pattern 161 is arranged in the gap g between the adjacent transparent sensing electrode, and the first insulating pattern 161 be respectively the position between decorative layer 14 and transparent sensing electrode and at least part of overlapping with decorative layer 14 and transparent sensing electrode, therefore it is residual can not produce the transparent conductive material that causes because of the high tack of transparent conductive material and decorative layer 14 when the transparent sensed layer 21 of etching the first patterning, so can effectively reduce short-circuit risks.In addition, the first insulating pattern 161 can further cover the sidewall of decorative layer 14, and it can bring into play the work of flatness layer in order to the flatness of the sidewall of further raising decorative layer 14.For example, the angle on the surface of the substrate 12 of the front end of the first insulating pattern 161 and photic zone 12A can approximately be spent to 20 between 5 degree.Cover the practice of the sidewall of decorative layers 14 by the first insulating pattern 161, can reduce the broken string risk that the transparent sensed layer 21 of the first patterning of follow-up formation causes because the sidewall of decorative layer 14 is too steep, and then improve the technique qualification rate.
In the present embodiment, the first transparent sensing electrode 21X, the second transparent sensing electrode 21Y and the first transparent connecting line 21C are not limited to consist of by the transparent sensed layer 21 of the first patterning.For example, the first transparent sensing electrode 21X and the first transparent connecting line 21C can be made of the transparent sensed layer 21 of the first patterning, and the second transparent sensing electrode 21Y and the second connecting line 23C can be made of the one second transparent sensed layer of patterning, illustrate such as Fig. 9.Moreover, in the present embodiment, the first insulating pattern 161 comprises a plurality of the first insulating patterns 161 that do not connect each other, and the part of each first insulating pattern 161 is to be separately positioned on the first adjacent transparent sensing electrode 21X and the gap g between the second transparent sensing electrode 21Y, and another part of each first insulating pattern 161 is at least part of overlapping with decorative layer 14 and the first transparent sensing electrode 21X and the second transparent sensing electrode 21Y respectively, but not as limit.
Please refer to Figure 17.Figure 17 shows that the synoptic diagram of Trackpad of one first alternate embodiment of the fourth embodiment of the present invention.As shown in figure 17, be different from the 4th embodiment, in the Trackpad 200 ' of this first alternate embodiment, the first insulating pattern 161 is ring-type insulating patterns, in fact around photic zone 12A.The part of the first insulating pattern 161 is arranged in adjacent the first transparent sensing electrode 21X and the gap g between the second transparent sensing electrode 21Y, and another part of the first insulating pattern 161 is overlapping with decorative layer 14 and the first transparent sensing electrode 21X and the second transparent sensing electrode 21Y respectively.
Please refer to Figure 18.Figure 18 shows that the synoptic diagram of Trackpad of one second alternate embodiment of the fourth embodiment of the present invention.As shown in figure 18, be different from the 4th embodiment, at the Trackpad 200 ' of this second alternate embodiment ' in, decorative layer 14 comprises that at least one the first color decorative layer and one second color decorative layer are stacked on the first color decorative layer.For example, the decorative layer 14 of present embodiment comprises three layer of first color decorative layer 141A, 141B, and 141C and one deck the second color decorative layer 142, wherein, the first color decorative layer 141C coats the first color decorative layer 141B.In the present embodiment, the first color decorative layer 141A, 141B, the material of 141C can comprise for example white ink of printing ink, but be not limited to this, also can be the printing ink of other colors, and the material of the second color decorative layer 142 can comprise for example black photoresistance of photoresistance in present embodiment, but be not limited to this, also can comprise the wherein at least a of pottery, diamond-like carbon film-coating, printing ink or organic material.In addition, the first insulating pattern 161 can further cover the sidewall of decorative layer 14, it can bring into play the work of flatness layer in order to the flatness of the sidewall of further raising decorative layer 14, the broken string risk that causes because the sidewall of decorative layer 14 is too steep in order to the transparent sensed layer 21 of the first patterning of avoiding follow-up formation, and then improve the technique qualification rate.
Please refer to Figure 19.Figure 19 shows that the synoptic diagram of Trackpad of one the 3rd alternate embodiment of the fourth embodiment of the present invention.As shown in figure 19, be different from the 4th embodiment, at the Trackpad 200 ' of this 3rd alternate embodiment ' ' in, decorative layer 14 comprises that at least one the first color decorative layer and one second color decorative layer are stacked on the first color decorative layer.For example, the decorative layer 14 of present embodiment comprises four layer of first color decorative layer 141A, 141B, 141C, 141D and one deck the second color decorative layer 142.The first color decorative layer 141A, 141B, 141C, the material of 141D can comprise for example white ink of printing ink, but be not limited to this, also can be the printing ink of other colors, and the material of the second color decorative layer 142 can comprise for example black photoresistance of photoresistance in present embodiment, but be not limited to this, also can comprise the wherein at least a of pottery, diamond-like carbon film-coating, printing ink or organic material.In the present embodiment, the first color decorative layer 141A, 141B, 141C, 141D are sequentially upwards stacking by the surface of substrate 12, and the second color decorative layer 142 then is stacked on the first color decorative layer 141D.In addition, the first color decorative layer 141A, 141B, 141C, 141D is of a size of sequentially and successively decreases, and that is to say, the ora terminalis of the first color decorative layer 141B is the ora terminalis that is recessed in the first color decorative layer 141A, the ora terminalis of the first color decorative layer 141C is the ora terminalis that is recessed in the first color decorative layer 141B, and the ora terminalis of the first color decorative layer 141D is the ora terminalis that is recessed in the first color decorative layer 141C.Therefore can formation one ladder structure between the ora terminalis of wantonly two adjacent the first color decorative layers.The staircase structure of decorative layer 14 has milder sidewall.In addition, the first insulating pattern 161 can further cover the sidewall of the staircase structure of decorative layer 14, and it can bring into play the work of flatness layer in order to the flatness of the sidewall of further raising decorative layer 14.For example, the angle on the surface of the substrate 12 of the front end of the first insulating pattern 161 and photic zone 12A can approximately be spent to 20 between 5 degree.Staircase structure by above-mentioned decorative layer 14 and the first insulating pattern 161 cover the practice of the sidewall of staircase structures, can reduce the broken string risk that the transparent sensed layer 21 of the first patterning of follow-up formation causes because the sidewall of decorative layer 14 is too steep, and then improve the technique qualification rate.
The pattern of the transparent sensing electrode of present embodiment not with Figure 14 the person of being illustrated be limited.For example, the pattern of transparent sensing electrode can be the pattern that for example Fig. 5 and Fig. 7 illustrate, or other pattern that is fit to.Please refer to Figure 20.Figure 20 shows that the synoptic diagram of the Trackpad of the fifth embodiment of the present invention.As shown in figure 20, be different from previous embodiment, in the Trackpad 300 of present embodiment, the transparent sensed layer 22 of the first patterning comprises that further a plurality of void put electrode (dummy electrode) 21D, the position is in adjacent the first transparent sensing electrode 21X and the gap g between the second transparent sensing electrode 21Y, and void is put electrode 21D and is not electrically connected with the first transparent sensing electrode 21X and the second transparent sensing electrode 21Y.Void is put electrode 21D and is arranged on the interior interior also position of surrounding zone 12B that also can partly extend to of photic zone 12A on the first insulating pattern 161.Because the first transparent sensing electrode 21X, the second transparent sensing electrode 21Y and void are put electrode 21D and are made of the transparent sensed layer 22 of the first patterning, and void is put the gap s of electrode 21D and the first transparent sensing electrode 21X and the second transparent sensing electrode 21Y less than the gap g between the first transparent sensing electrode 21X and the second transparent sensing electrode 21Y, therefore in the 12B of surrounding zone, the first insulating pattern 161 better being arranged in adjacent the first transparent sensing electrode 21X and the gap g between the second transparent sensing electrode 21Y, and the first insulating pattern 161 is that respectively the position is also at least part of overlapping with decorative layer 14 and the first transparent sensing electrode 21X and the second transparent sensing electrode 21Y respectively between decorative layer 14 and the first transparent sensing electrode 21X and the second transparent sensing electrode 21Y.That is to say that the first insulating pattern 161 also can be arranged on void and put in the gap s of electrode 21D and the first transparent sensing electrode 21X and the second transparent sensing electrode 21Y.Whereby, it is residual can not produce the transparent conductive material that causes because of the high tack of transparent conductive material and decorative layer 14 when the transparent sensed layer 21 of etching the first patterning, so can effectively reduce short-circuit risks.In the present embodiment, the first insulating pattern 161 can be a plurality of the first insulating patterns 161 that do not connect each other, but not as limit.In an alternate embodiment, the first insulating pattern 161 also can be a ring-type insulating pattern, in fact around photic zone 12A.
Please refer to Figure 21.Shown in Figure 21 is the synoptic diagram of the touch-control display board of a preferred embodiment of the present invention.As shown in figure 21, the touch-control display board 100 of present embodiment comprises a display board 80 and a Trackpad 90.Display board 80 has a display surface 80S, and Trackpad 90 is arranged on the display surface 80S of display board 80.Display board 80 can comprise a LCD panel, an organic electroluminescent display board, an electric wetting display board, an electrophoretic display panel or other various types of display boards.90 of Trackpads can be Trackpad that Fig. 1 of the present invention discloses to the embodiment of Figure 20 wherein any, do not repeat them here.
In sum, be provided with insulating pattern between the transparent sensed layer of patterning of Trackpad of the present invention and touch-control display board and the decorative layer, when the transparent sensed layer of etched patternization, can not produce the residual of transparent conductive material whereby, and can reduce short-circuit risks.In addition, insulating pattern can be made of the same layer patterned insulation layer with the insulating pattern of touch-control sensing element, therefore need not increase extra mask.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (36)
1. a Trackpad is characterized in that, comprising:
One substrate, wherein said substrate have a photic zone and a surrounding zone;
One decorative layer is arranged in the described surrounding zone of described substrate;
One touch-control sensing element, described touch-control sensing element comprises the transparent sensed layer of one first patterning, the transparent sensed layer of described the first patterning is arranged in the described photic zone of described substrate at least, and the transparent sensed layer of wherein said the first patterning extends in the described surrounding zone and be overlapping with described sections decorative layer; And
At least one the first insulating pattern is arranged in the described surrounding zone of described substrate, and the position is between the transparent sensed layer of described the first patterning and described decorative layer, so that the transparent sensed layer of described the first patterning does not contact with described decorative layer.
2. Trackpad as claimed in claim 1 is characterized in that, described decorative layer, described the first insulating pattern and the transparent sensed layer of described the first patterning are arranged on the same surface of described substrate.
3. Trackpad as claimed in claim 1 is characterized in that, a material of described decorative layer comprises the wherein at least a of pottery, diamond-like carbon film-coating, printing ink or organic material.
4. Trackpad as claimed in claim 1 is characterized in that, described touch-control sensing element also comprises a plurality of the second insulating patterns and many second connecting lines, wherein
The transparent sensed layer of described the first patterning comprises:
The a plurality of first transparent sensing electrode and many first transparent connecting lines, two described first adjacent transparent sensing electrodes are to connect by the described first transparent connecting line, wherein at least one the described first transparent sensing electrode and described sections decorative layer are overlapping, and described the first insulating pattern is arranged between the described first transparent sensing electrode and the described decorative layer;
The a plurality of second transparent sensing electrode, two described second adjacent transparent sensing electrodes are described the second connecting line connections by correspondence, wherein at least one the described second transparent sensing electrode and described sections decorative layer are overlapping, and described the first insulating pattern is arranged between the described second transparent sensing electrode and the described decorative layer; And
Each described second insulating pattern is to be separately positioned between the described first transparent connecting line and corresponding described the second connecting line.
5. Trackpad as claimed in claim 4 is characterized in that, each described second connecting line comprises a metal connecting line or a transparent connecting line.
6. Trackpad as claimed in claim 4 is characterized in that, each described second insulating pattern is arranged on corresponding described the second connecting line, and the transparent sensed layer of described the first patterning is arranged on described the second insulating pattern.
7. Trackpad as claimed in claim 6 is characterized in that, wherein said the second insulating pattern and described the first insulating pattern are made of the same layer patterned insulation layer.
8. Trackpad as claimed in claim 4, it is characterized in that, each described second insulating pattern is arranged on the transparent sensed layer of described the first patterning, each described second connecting line is arranged on corresponding described the second insulating pattern, and described the first insulating pattern and described the second insulating pattern are made of the different layers patterned insulation layer.
9. Trackpad as claimed in claim 1 is characterized in that, the transparent sensed layer of described the first patterning comprises a plurality of transparent sensing electrodes.
10. Trackpad as claimed in claim 1 is characterized in that, described touch-control sensing element also comprises the transparent sensed layer of one second patterning, wherein
The transparent sensed layer of described the first patterning comprises a plurality of first transparent sensing electrode and many first transparent connecting lines, two described first adjacent transparent sensing electrodes are to connect by the described first transparent connecting line, wherein at least one the described first transparent sensing electrode and described decorative layer are at least part of overlapping, and described the first insulating pattern is arranged between the described first transparent sensing electrode and the described decorative layer; And
The transparent sensed layer of described the second patterning comprises a plurality of second transparent sensing electrode and many second transparent connecting lines, and wherein two described second adjacent transparent sensing electrodes are to connect by the described second transparent connecting line.
11. Trackpad as claimed in claim 10, it is characterized in that, the transparent sensed layer of described the first patterning and the transparent sensed layer of described the second patterning are arranged on the same surface of described substrate, the transparent sensed layer of described the first patterning is arranged on the transparent sensed layer of described the second patterning, described touch-control sensing element comprises that also one second insulating pattern is arranged on the interior also position of described photic zone between the transparent sensed layer of described the first patterning and the transparent sensed layer of described the second patterning, described the first insulating pattern is arranged between the described first transparent sensing electrode and the described decorative layer, and described the second insulating pattern and described the first insulating pattern are the same layer insulation courses.
12. Trackpad as claimed in claim 11, it is characterized in that, at least one the described second transparent sensing electrode and described sections decorative layer are overlapping, and described Trackpad also comprises at least one the 3rd insulating pattern, be arranged in the described surrounding zone and the position between the described second transparent sensing electrode and described decorative layer.
13. a touch-control display board is characterized in that, comprising:
One display board has a display surface; And
Described Trackpad as claimed in claim 1 is arranged on the described display surface of described display board.
14. a Trackpad is characterized in that, comprising:
One substrate, wherein said substrate have a photic zone and a surrounding zone;
One decorative layer is arranged in the described surrounding zone of described substrate;
The transparent sensed layer of one first patterning is by comprising that the etching of transparent conductive material institute forms, and the transparent sensed layer of described the first patterning is arranged in the described photic zone of described substrate, and extends in the described surrounding zone and overlapping with described sections decorative layer; And
At least one the first insulating pattern is arranged on the described surrounding zone of described substrate, and the position is between the transparent sensed layer of described the first patterning and described decorative layer, and the etched described transparent conductive material setting of correspondence.
15. a Trackpad is characterized in that, comprising:
One substrate, wherein said substrate have a photic zone and a surrounding zone;
One decorative layer is arranged in the described surrounding zone of described substrate;
The transparent sensed layer of one first patterning is by comprising that the etching of transparent conductive material institute forms, and the transparent sensed layer of described the first patterning is arranged in the described photic zone of described substrate, and extends in the described surrounding zone and overlapping with described sections decorative layer; And
At least one the first insulating pattern, be arranged on the described surrounding zone of described substrate, and the position is on described decorative layer, so that at the described transparent conductive material of etching when forming the transparent sensed layer of described the first patterning, the position on described surrounding zone and etched described transparent conductive material can not produce residual.
16. Trackpad as claimed in claim 15 is characterized in that, described at least one the first insulating pattern is that the position is between the transparent sensed layer of described the first patterning and described decorative layer, so that the transparent sensed layer of described the first patterning does not contact with described decorative layer.
17. a method of making Trackpad is characterized in that, comprising:
One substrate is provided, and wherein said substrate has a photic zone and a surrounding zone;
In the described surrounding zone of described substrate, form a decorative layer;
Form at least one the first insulating pattern at described decorative layer;
Utilize a transparent conductive material to form a transparency conducting layer in described substrate, make described transparent conductive material cover described photic zone and the described surrounding zone of described substrate, and cover described at least one the first insulating pattern; And
The described transparent conductive material of etching to be to form the transparent sensed layer of one first patterning, wherein, during described transparent conductive material in the etching position on described surrounding zone, the position on described surrounding zone and etched described transparent conductive material can not produce residual.
18. a method of making Trackpad is characterized in that, comprising:
One substrate is provided, and wherein said substrate has a photic zone and a surrounding zone;
In the described surrounding zone of described substrate, form a decorative layer;
Form at least one the first insulating pattern at described decorative layer; And
Form a transparency conducting layer in described substrate, and part removes the position at the described transparency conducting layer of described photic zone and partly removes the described transparency conducting layer of position on described the first insulating pattern, to form the transparent sensed layer of one first patterning, the transparent sensed layer of described the first patterning comprises a plurality of transparent sensing electrodes, wherein the described transparent sensing electrode of a part is arranged in the described photic zone of described substrate, the described transparent sensing electrode of another part be arranged on the described decorative layer with described the first insulating pattern on, has a gap digit in described surrounding zone between the adjacent described transparent sensing electrode, the part of wherein said the first insulating pattern is arranged in the described gap between the adjacent described transparent sensing electrode, and another part of described the first insulating pattern be respectively the position between described decorative layer and described transparent sensing electrode and at least part of overlapping with described decorative layer and described transparent sensing electrode.
19. the method for making Trackpad as claimed in claim 18, it is characterized in that, described at least one the first insulating pattern comprises a plurality of the first insulating patterns that do not connect each other, and the part of each described the first insulating pattern is in the described gap that is separately positioned between the adjacent described transparent sensing electrode, and another part of each described the first insulating pattern is at least part of overlapping with described decorative layer and described transparent sensing electrode respectively.
20. the method for making Trackpad as claimed in claim 18, it is characterized in that, described the first insulating pattern is a ring-type insulating pattern, in fact around described photic zone, the part of described the first insulating pattern is arranged in the described gap between the adjacent described transparent sensing electrode, and another part of described the first insulating pattern is overlapping with described decorative layer and described transparent sensing electrode respectively.
21. the method for making Trackpad as claimed in claim 18, it is characterized in that, also comprise and form a plurality of the second insulating patterns, many the first transparent connecting lines and many second connecting lines, described transparent sensing electrode comprises a plurality of first transparent sensing electrode and a plurality of second transparent sensing electrode, two described first adjacent transparent sensing electrodes are to connect by the described first transparent connecting line, two described second adjacent transparent sensing electrodes are that described the second connecting line by correspondence connects, and each described second insulating pattern is to be separately positioned between the described first transparent connecting line and corresponding described the second connecting line.
22. the method for making Trackpad as claimed in claim 21 is characterized in that, the described first transparent sensing electrode, the described second transparent sensing electrode and the described first transparent connecting line are made of the transparent sensed layer of described the first patterning.
23. the method for making Trackpad as claimed in claim 22, it is characterized in that, the transparent sensed layer of described the first patterning comprises that also a void puts electrode, and the position is in adjacent the described first transparent sensing electrode and the described gap between the described second transparent sensing electrode.
24. the method for making Trackpad as claimed in claim 18, it is characterized in that, the transparent sensed layer of described the first patterning also comprises a plurality of first transparent connecting line, the method of described making Trackpad also is included in and forms a plurality of the second insulating patterns in the described substrate, and in the transparent sensed layer of described substrate formation one second patterning, the transparent sensed layer of described the second patterning comprises a plurality of second transparent sensing electrode and a plurality of the second connecting line, two described first adjacent transparent sensing electrodes are to connect by the described first transparent connecting line, two described second adjacent transparent sensing electrodes are that described the second connecting line by correspondence connects, and each described second insulating pattern is to be separately positioned between the described first transparent connecting line and corresponding described the second connecting line.
25. the method for making Trackpad as claimed in claim 18 is characterized in that, described decorative layer comprises that at least one the first color decorative layer and one second color decorative layer are stacked on described the first color decorative layer.
26. the method for making Trackpad as claimed in claim 25, it is characterized in that, one material of described the first color decorative layer comprises printing ink, and a material of described the second color decorative layer comprises photoresistance, and overlapping at least described the second color decorative layer of described the first insulating pattern.
27. a Trackpad is characterized in that, comprising:
One substrate, wherein said substrate have a photic zone and a surrounding zone;
One decorative layer is arranged in the described surrounding zone of described substrate;
One touch-control sensing element, described touch-control sensing element comprises a plurality of transparent sensing electrodes, wherein the described transparent sensing electrode of a part is arranged in the described photic zone of described substrate, the described transparent sensing electrode of another part is arranged on the described decorative layer and is overlapping with described sections decorative layer, and has a gap digit in described surrounding zone between the adjacent described transparent sensing electrode; And
At least one the first insulating pattern, be arranged in the described surrounding zone, the part of wherein said the first insulating pattern is arranged in the described gap between the adjacent described transparent sensing electrode, and another part of described the first insulating pattern be respectively the position between described decorative layer and described transparent sensing electrode and at least part of overlapping with described decorative layer and described transparent sensing electrode.
28. Trackpad as claimed in claim 27, it is characterized in that, described at least one the first insulating pattern comprises a plurality of the first insulating patterns that do not connect each other, and the part of each described the first insulating pattern is in the described gap that is separately positioned between the adjacent described transparent sensing electrode, and another part of each described the first insulating pattern is at least part of overlapping with described decorative layer and described transparent sensing electrode respectively.
29. Trackpad as claimed in claim 27, it is characterized in that, described the first insulating pattern is a ring-type insulating pattern, in fact around described photic zone, the part of described the first insulating pattern is arranged in the described gap between the adjacent described transparent sensing electrode, and another part of described the first insulating pattern is overlapping with described decorative layer and described transparent sensing electrode respectively.
30. Trackpad as claimed in claim 27, it is characterized in that, described touch-control sensing element also comprises a plurality of the second insulating patterns, many the first transparent connecting lines and many second connecting lines, described transparent sensing electrode comprises a plurality of first transparent sensing electrode and a plurality of second transparent sensing electrode, two described first adjacent transparent sensing electrodes are to connect by the described first transparent connecting line, two described second adjacent transparent sensing electrodes are that described the second connecting line by correspondence connects, and each described second insulating pattern is to be separately positioned between the described first transparent connecting line and corresponding described the second connecting line.
31. Trackpad as claimed in claim 30, it is characterized in that, the described first transparent sensing electrode, the described second transparent sensing electrode and the described first transparent connecting line are made of the one first transparent sensed layer of patterning, and each described second connecting line comprises a metal connecting line or a transparent connecting line.
32. Trackpad as claimed in claim 31 is characterized in that, the transparent sensed layer of described the first patterning comprises that also a void puts electrode, and the position is in adjacent the described first transparent sensing electrode and the described gap between the described second transparent sensing electrode.
33. Trackpad as claimed in claim 30, it is characterized in that, the described first transparent sensing electrode and the described first transparent connecting line are made of the one first transparent sensed layer of patterning, and the described second transparent sensing electrode and described the second connecting line are made of the one second transparent sensed layer of patterning.
34. Trackpad as claimed in claim 27 is characterized in that, described decorative layer comprises that at least one the first color decorative layer and one second color decorative layer are stacked on described the first color decorative layer.
35. Trackpad as claimed in claim 34 is characterized in that, described decorative layer includes mutually stacking a plurality of the first color decorative layers, and forms a ladder structure between the ora terminalis of two adjacent described the first color decorative layers.
36. Trackpad as claimed in claim 34 is characterized in that, described decorative layer includes two the first color decorative layers of mutual coating.
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| CN2013100481670A CN103376939A (en) | 2012-04-11 | 2013-02-06 | Touch panel, touch display panel and manufacture method of touch panel |
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| CN201210105956 | 2012-04-11 | ||
| CN201210105956.9 | 2012-04-11 | ||
| CN2013100481670A CN103376939A (en) | 2012-04-11 | 2013-02-06 | Touch panel, touch display panel and manufacture method of touch panel |
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