CN205028258U - Input apparatus - Google Patents
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- CN205028258U CN205028258U CN201520758240.8U CN201520758240U CN205028258U CN 205028258 U CN205028258 U CN 205028258U CN 201520758240 U CN201520758240 U CN 201520758240U CN 205028258 U CN205028258 U CN 205028258U
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Abstract
The utility model provides an input apparatus can reduce and regional and enlarge display area's ( input area ) area in the wiring of the edge part of base plate department, need not twine the wiring layer between the electrode layer, can be with the intensive configuration of electrode layer. The 1st electrode layer is by binding portion's binding and continuous in the Y direction, the 2nd electrode layer along X direction range. The 2nd electrode layer an organic whole is formed with the 2nd wiring layer, and the 2nd wiring layer passes through at the wiring route formed at the 1st electrode layer with in the wiring route of the 2nd electrode layer. The 1st wiring layer from 1 electrode columns extends is not different each other with the 2nd wiring layer that extends from 2 electrode columns, can reduce the electrostatic capacitance between the 1st wiring layer and the 2nd wiring layer.
Description
Technical field
The utility model relates to be formed with the 1st electrode layer of multiple light transmission and the input media of the 2nd electrode layer on the same face of the substrate of light transmission.
Background technology
In mobile electronic apparatus etc., be provided with the input media detecting electrostatic capacitance, this input media overlaps in the front of the display panel of color liquid crystal panel etc.
This input media, the substrate of light transmission is formed the electrode layer of multiple light transmission, and electrode layer has the 2nd electrode layer that the 1st electrode layer that connects on the 1st direction is connected with on the 2nd direction.The electrode layer of the side in the 1st electrode layer and the 2nd electrode layer is given drive electric power time, obtain detecting from the electrode layer of the opposing party and export, which position close to input media such as finger can be detected.
There is following input media in this input media, on the same surface of a substrate, be formed with the 1st electrode layer and the 2nd these both sides of electrode layer, thus substrate number can be reduced and slimming.
In this input media, need on the surface of described substrate, form the 1st wiring layer (trace layer) be connected with the 1st electrode layer and the 2nd wiring layer (trace layer) be connected with the 2nd electrode layer, but the 1st electrode layer connects in the 1st direction, 2nd electrode layer connects in the 2nd direction, therefore need the edge part in the 1st direction the 1st wiring layer being wrapped in substrate, and the 2nd wiring layer is wrapped in the edge part in the 2nd direction of substrate.When 2 mutually orthogonal limits of substrate form wiring area, this wiring area becomes invalid (dead) region not playing function as surveyed area.In addition, surface panel is provided with input media, need to cover wiring area with decorative layer, the viewing area that there is display panel has narrowed the problem of the amount arranging this decorative layer.
In patent documentation 1 record touch panel be, be formed with the 2nd sensing electrode with make the 2nd sensing electrode in the Y direction continuous print the 2nd be connected pattern.Connect the both sides of pattern the 2nd, the 1st sensing electrode arranged in X direction is independent mutually and formed, and the 2nd connects pattern is covered by insulation course, connects pattern by being formed in the 1st on insulation course, and the 1st adjacent in the X direction sensing electrode connects each other.1st sensing electrode is connected with driving pattern, and this driving pattern passes through and is drawn to Y-direction after described 1st downside being connected pattern is passed through between the 1st sensing electrode with the 2nd sensing electrode.
In this touch panel, drive pattern to connect the downside of pattern the 1st and pass through, thus the driving be connected with the 2nd sensing electrode can be connected up and connect up the edge part be only drawn out to towards the Y-direction of substrate via the driving driving pattern to be connected with the 1st sensing electrode.
The touch panel recorded in patent documentation 2 is, is formed with multiple 1st electrode of arranging in the X direction and by the 1st wire connected to each other for the 1st electrode on the surface of substrate.Each the 1st electrode is formed with peristome, is formed with the 2nd electrode in the inside of peristome independently of each other.On the 1st electrode, be formed with insulation course, be formed with the 2nd wire on this insulation course, by the 2nd wire, the 2nd adjacent in the Y direction electrode layer is connected to each other.
Be provided with the current-carrying part extended in the Y direction on a surface of a substrate, each current-carrying part is connected with the 1st wire, but at the cross part of the 1st wire that should not connect and current-carrying part, described insulation course is formed on the surface of the 1st wire, across the 3rd wire formed on this insulation course, current-carrying part is connected to each other.
In this touch panel, extend in the Y direction with the current-carrying part of the 1st Electrode connection of conducting in the X direction, therefore, it is possible to by the lead-in wire with the 1st Electrode connection be only wrapped in the edge part of the Y-direction of substrate with the lead-in wire of the 2nd Electrode connection.
Patent documentation 1: Japanese Unexamined Patent Publication 2012-150782 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2013-143131 publication
In the touch panel described in patent documentation 1, the driving pattern extended from the 1st sensing electrode passes through between the 1st sensing electrode and the 2nd sensing electrode.Must separating for allowing the interval driving pattern between the 1st adjacent sensing electrode and the 2nd sensing electrode, therefore needing the 1st sensing electrode and the 2nd sensing electrode to be formed as small size or to guarantee that the configuration space of the 1st sensing electrode and the 2nd sensing electrode is wider.As its result, the configuration density of sensing electrode can not be improved, the resolution that the position of finger etc. is detected is reduced.
In addition, in the touch panel described in patent documentation 1, the driving wiring extended from the 1st sensing electrode is connected up with the driving extended from the 2nd sensing electrode, differently configures mutually in wiring area.As its result, in wiring area, connect up from the 1st sensing electrode the driving wiring extended and the driving extended from the 2nd sensing electrode adjacent and close, drive the electrostatic capacitance between wiring to become greatly, wiring area easily becomes the region of generation detection noise.Therefore, it is preferable that, the wiring protective layer being set to earthing potential etc. is sandwiched between the driving extended from the 1st sensing electrode is connected up and connected up from the driving that the 2nd sensing electrode extends, but in this case, need the whole spacer portion laying-out and wiring protective layers in adjacent driving wiring, the structure of wiring area becomes complicated.
In touch panel described in patent documentation 2, the current-carrying part extended in the Y direction is by between the 1st adjacent in the X direction electrode, therefore need the 1st adjacent in the X direction electrode separation and be configured to current-carrying part is passed through, in the same manner as patent documentation 1, the intensive configuration of electrode becomes difficulty.
In addition, adopt the structure configuring the 2nd this complexity of electrode among the peristome being formed at the 1st electrode, therefore need the number the 1st electrode being arranged to the 2nd wire that the 2nd electrode is connected to each other by each two places.Therefore, when increasing number of electrodes, the number of the 2nd wire and the number of collets formed under the 2nd wire become many, when showing the display panel be arranged at behind, the 2nd a lot of wires and collets are easily visually noticeable and become obvious, easily damage display quality.
And, in the touch panel described in patent documentation 2, from the 1st electrode extend the 1st perimeter leads with the 2nd perimeter leads extended from the 2nd electrode each other towards contrary towards stretching out, therefore need the contrary edge part wiring area of these perimeter leads being separately positioned on substrate, the space of the waste of substrate broadens.In addition, in patent documentation 2, when wanting the 1st perimeter leads and the 2nd perimeter leads to be routed in the same side of substrate, the 1st perimeter leads and the 2nd perimeter leads are connected up differently from one another, in the same manner as patent documentation 1, wiring area easily becomes the region producing detection noise.
Utility model content
The utility model solves above-mentioned problem in the past, object is to provide a kind of input media, the wiring area at the edge part place of substrate can be reduced thus the area of expansion viewing area (input area), and do not need to be wound around wiring layer between electrode layers, can by intensive for electrode layer configuration.
In addition, object is to provide a kind of input media, can by the wiring layer extended from the 1st electrode layer and the layer wiring extended from the 2nd electrode layer in the different region of wiring area.
Input media of the present utility model, the substrate of light transmission is formed the 1st electrode layer and the 2nd electrode layer that are formed by the conductive material of light transmission, multiple described 1st electrode layer arranges on the 1st direction, multiple described 2nd electrode layer arranges on the 2nd direction intersected with the 1st direction, the feature of described input media is, for linking part connected to each other for the electrode layer of either party in described 1st electrode layer and described 2nd electrode layer is formed by the conductive material of described light transmission, the 1st insulation course and Bridge 1 formula articulamentum has been overlapped to form on described linking part, by described Bridge 1 formula articulamentum, the electrode layer conducting each other of the opposing party, routing path is formed at described 1st electrode layer, the wiring layer extended from described 2nd electrode layer passes through in described routing path, with described routing path, described 1st electrode layer is divided and the division electrode layer that obtains is continuous in described routing path with the layer of either party of described wiring layer, the 2nd insulation course and Bridge 2 formula articulamentum is formed on this continuous portion, layer conducting by described Bridge 2 formula articulamentum of the opposing party.
Input media of the present utility model, the wiring layer extended from the 2nd electrode layer passes through in the routing path being formed at the 1st electrode layer, therefore do not need wiring layer is passed through between electrode layer and electrode layer, can the interval of constriction electrode layer, the detection sensitivity of input media can be improved.
It is preferable that, input media of the present utility model is, is provided with electrode protective layer further between the described division electrode layer and described wiring layer of described 1st electrode layer.
In addition, input media of the present utility model, can be configured to, described routing path is also formed at described 2nd electrode layer, from described 2nd electrode layer extend described wiring layer in the described routing path being formed at described 1st electrode layer and be formed at other the 2nd electrode layer described routing path in pass through, in other the 2nd electrode layer described be also, the division electrode layer divided with described routing path and the layer of either party of described wiring layer are continuous in described routing path, described 3rd insulation course and described 3rd bridge-type articulamentum is formed on this continuous portion, layer conducting by described 3rd bridge-type articulamentum of the opposing party.
Input media of the present utility model, such as, described 1st electrode layer and described 2nd electrode layer arrange on the vergence direction tilted relative to the 1st direction and the 2nd these both sides of direction, and described wiring layer extends on described vergence direction.
In this case, the 1st electrodes series formed by multiple described 1st electrode layer arranged on the 1st direction is provided with multiple row at spaced intervals on the 2nd direction, and the 2nd electrodes series formed by multiple described 2nd electrode layer arranged on the 2nd direction is provided with multiple row at spaced intervals on the 1st direction.
It is preferable that, input media of the present utility model is, wiring layer from described 1st electrode layer extension and the described wiring layer from described 2nd electrode layer extension are all to the 1st direction extension, the described wiring layer extended from described 1st electrode layer is adjacent one another are, and the described wiring layer extended from described 2nd electrode layer is adjacent one another are.
Input media of the present utility model, do not need to configure differently from one another by the wiring layer extended from the 1st electrode layer with from the wiring layer that the 2nd electrode layer extends, therefore, it is possible to reduce the electrostatic capacitance between the wiring layer extended from the 1st electrode layer and the wiring layer extended from the 2nd electrode layer, easily prevent from wiring area generation detection noise.
In this case, it is preferable that, the utility model is, the adjacent one another are and region (i) of arrangement of the wiring layer extended from described 1st electrode layer and the wiring layer that extends from described 2nd electrode layer adjacent one another are and between the region (ii) that arranges, be provided with wiring protective layer.
The effect of utility model
Input media of the present utility model is, the wiring layer extended from the 2nd electrode layer passes through in the inside of the 1st electrode layer, does not therefore need to form routing path between adjacent electrode layer, electrode layer can be made close and configure thick and fast.Therefore, it is possible to improve the sensitivity of input media, the detection resolution on operating surface can be improved.
In addition, do not need to connect up differently from one another by the wiring layer extended from the 1st electrode layer with from the wiring layer that the 2nd electrode layer extends, therefore, it is possible to suppress to produce detection noise in wiring area.
Accompanying drawing explanation
Fig. 1 is the use of the exploded perspective view of the touch panel of the input media of embodiment of the present utility model.
Fig. 2 is the planimetric map of the configuration of the electrode layer of the input media representing the 1st embodiment of the present utility model.
Fig. 3 is the amplification profile cut off by the input media shown in Fig. 2 with III-III line.
Fig. 4 is the amplification profile cut off by the input media shown in Fig. 2 with IV-IV line.
Fig. 5 is the partial plan of the configuration of the electrode layer of the input media representing the 2nd embodiment of the present utility model.
Fig. 6 is the partial plan of the extraction state of the wiring layer of the input media representing the 3rd embodiment of the present utility model.
Fig. 7 is the amplification view of the 1st electrode layer representing variation of the present utility model.
Symbol description
1 touch panel
2 surface panels
5 display panels
10 input medias
11 substrates
20 the 1st electrodes series
21,21A, 21B the 1st electrode layer
22 linking parts
23A, 23B, 23C the 1st routing path
24,25 electrode layer is divided
26 electrode protective layers
27a, 27b, 27c the 1st wiring layer
28a, 28b, 28c elongate wirings layer
30 the 2nd electrodes series
31,31A, 31B the 2nd electrode layer
33A, 33B, 33C the 2nd routing path
37a, 37b, 37c, 37d the 2nd wiring layer
38a, 38b, 38c elongate wirings layer
41 the 1st insulation courses
42 Bridge 1 formula articulamentums
43 the 2nd insulation courses
44 Bridge 2 formula articulamentums
45 the 2nd insulation courses
46 the 3rd bridge-type articulamentums
49 wiring protective layers
110,210 input medias
H wiring area
Embodiment
Touch panel 1 has been shown in Fig. 1.Touch panel 1 is made up of surface panel 2 and the input media of the present utility model 10 be positioned at below it.
Surface panel 2 forms a part for the housing of the various electronic equipments of portable telephone set, guider, game device, communicator etc.Surface panel 2 is formed by the synthetic resin material of the light transmission of acrylic acid series etc., glass, from the outside of surface panel 2 can fluoroscopic apparatus inner.
Input media 10 has the substrate 11 of light transmission.Substrate 11 is resin sheets of PET (polyethylene terephthalate) etc.Surface panel 2 and input media 10 bonding across OCA (transparent stickability bonding agent).
About input media 10, Y-direction is the 1st direction, and X-direction is the 2nd direction.As depicted in figs. 1 and 2, in input media 10, only an edge part 10y side in the 1st direction (Y-direction) is provided with wiring area H, the region beyond the H of wiring area becomes surveyed area S.In the housing of electronic equipment, be accommodated with the display panel 5 of color liquid crystal panel etc., can through the surveyed area S of surface panel 2 and input media 10 and from the expression picture of outside visual inspection display panel 5.Therefore, surveyed area S also can be viewing area.
Input media 10 is, wiring area is not being formed towards the edge part 10x in the 2nd direction (X-direction), therefore, it is possible to make surveyed area (viewing area) S expand to closely towards the position of the edge part 10x of the X-direction of input media 10 always, the idle space that wiring is used can be eliminated.
As shown in Figure 2, on the common surface of substrate 11, be formed with upper the 1st electrodes series 20 extended and the 2nd electrodes series 30 above extended in the 2nd direction (X-direction) in the 1st direction (Y-direction).
In the 1st electrodes series 20, multiple 1st electrode layer 21 (21A, 21B) with the 1st electrode layer 21 (21A, 21B) linked the linking part 22 of (connection) in the Y direction form as one, the 1st electrodes series 20 is provided with these 3 row of y1, y2, y3.1st electrode layer 21 (21A, 21B) arranges with uniform spacing in the Y direction regularly along each row of y1, y2, y3, and also arranges regularly with uniform spacing in the X direction along each row of xa, xb, xc, xd.The number of the 1st electrode layer 21 is selected according to the area of input media 10.
1st electrode layer 21 (21A, 21B) is square (or rhombus), and foursquare bight is towards X-direction and Y-direction, and linking part 22 is by connected to each other for the bight of the 1st adjacent in the Y direction electrode layer 21 (21A, 21B).
In the 2nd electrodes series 30, the 2nd electrode layer 31 (31A, 31B) is independent of one another and formed.2nd electrode layer 31 (31A, 31B) arranges regularly with uniform spacing in the X direction along these 3 row of x1, x2, x3 and respectively arranges along ya, yb, yc, yd and also arranges regularly with uniform spacing in the Y direction.The number of each row of X-direction and Y-direction is selected according to the area of input media 10.2nd electrode layer 31 (31A, 31B) is square (or rhombus), and each bight is towards X-direction and Y-direction.The size on each limit of the quadrilateral of the 1st electrode layer 21 (21A, 21B) and the 2nd electrode layer 31 (31A, 31B) is consistent with each other.
When forming the 1st electrodes series 20 and the 2nd electrodes series 30 like this, 1st electrode layer 21 (21A, 21B) and the 2nd electrode layer 31 (31A, 31B), the vergence directions along roughly 45 degree tilted to X-direction and these both sides of Y-direction are adjacent and alternately arrange.In addition, the limit of foursquare 1st electrode layer 21 (21A, 21B) and the limit of the 2nd electrode layer 31 (31A, 31B) opposed parallel to each other on the vergence direction of 45 degree.
Be formed with the 1st routing path 23A at the 1st electrode layer 21A, be formed with the 1st routing path 23B at the 1st electrode layer 21B.The multiple 1st electrode layer symbols 21 not forming the 1st routing path represent.In y1 row, the 1st electrode layer 21B and multiple 1st electrode layers 21 without the 1st routing path are linked in the Y direction by linking part 22.In y2 row, the 1st electrode layer 21A and multiple 1st electrode layers 21 without routing path are linked in the Y direction by linking part 22.
Be formed with the 2nd routing path 33A at the 2nd electrode layer 31A, be formed with the 2nd routing path 33B at the 2nd electrode layer 31B.The multiple 2nd electrode layer symbols 31 not forming the 2nd routing path represent.
Be positioned at the 1st electrode layer 21A of the cross part that y2 row arrange with xc, the 1st routing path 23A is formed point-blank along the vergence direction relative to X-Y direction being 45 degree.1st routing path 23A is formed at central portion, can in an inclined direction be split equably by the 1st electrode layer 21A.1st electrode layer 21A is split into 2 by the 1st routing path 23A and divides electrode layer 24,24.Similarly, being positioned at the 1st electrode layer 21B of the cross part that y1 arranges and xb arranges, be also formed with the 1st routing path 23B crossing this central portion obliquely, the 1st electrode layer 21B is split into by the 1st routing path 23B and divides electrode layer 25,25.
Be positioned at the 2nd electrode layer 31A of the cross part that x2 row arrange with yb, the 2nd routing path 33A extends point-blank along vergence direction.2nd routing path 33A crosses the central portion of the 2nd electrode layer 31A obliquely.By the 2nd routing path 33A, the 2nd electrode layer 31A is split into 2 and divides electrode layer 34,34.Be positioned at the 2nd electrode layer 31B of the cross part that x1 row arrange with ya, the 2nd routing path 33B has the part in an inclined direction extended and the part extended along the 1st direction (X-direction) and is formed deviously.By the 2nd routing path 33B, the 2nd electrode layer 31B is split into 2 and divides electrode layer 35,35.
Form the 2nd electrode layer 31 of the 1st electrode layer 21 of the 1st electrodes series 20,21A, 21B and linking part 22 and formation the 2nd electrodes series 30,31A, 31B, formed by the conductive material of identical light transmission.The conductive material of light transmission by ITO (tin indium oxide) layer, with nano silver wire be representative metal nanometer line layer, be formed as cancellous thin metal level or conductive polymer layer etc. and formed.
In figure 3, with III-III to depending on the laminar construction of the cross part of the 2nd electrodes series 30 that arranges with x1 of sectional view the 1st electrodes series 20 that shows y3 row.
At this cross part, be formed with the 1st insulation course 41 of the light transmission of the linking part 22 of covering the 1st electrodes series 20, on the 1st insulation course 41, be formed with Bridge 1 formula articulamentum 42.By Bridge 1 formula articulamentum 42,2nd electrode layer 31 adjacent with the both sides of the X-direction of linking part 22 is connected to each other and conducting.At whole cross part of the 1st electrodes series 20 and the 2nd electrodes series 30, be formed with described 1st insulation course 41 and Bridge 1 formula articulamentum 42.In x1 row, three the 2nd electrode layers 31 and the 2nd electrode layer 31B are linked in the X direction by Bridge 1 formula articulamentum 42.In x2 row, three the 2nd electrode layers 31 and the 2nd electrode layer 31A are linked in the X direction by Bridge 1 formula articulamentum 42.In x3 row, 4 the 2nd electrode layers 31 are linked in the X direction by Bridge 1 formula articulamentum 42.
1st insulation course 41 of light transmission is made up of phenolics or phenolics and acryl resin.Bridge 1 formula articulamentum 42 overlap on the basalis of amorphous ITO layer has the conductive metal material of Au (gold), Au alloy, CuNi alloy (cupronickel), Ni (nickel) etc.; more preferably, cover with the protective seam of amorphous ITO layer.
When the 1st electrode layer 21 (21A, 21B) is formed by ITO layer with linking part 22 and the 2nd electrode layer 31 (31A, 31B), form the 1st electrode layer 21 (21A, 21B) and linking part 22 and the 2nd electrode layer 31 (31A, 31B) by crystalline ITO, Bridge 1 formula articulamentum 42 uses amorphous ITO.Thereby, it is possible to select and etch the crystalline ITO of formation the 1st electrode layer 21 (21A, 21B) and linking part 22 and the 2nd electrode layer 31 (31A, 31B) and form amorphous ITO of Bridge 1 formula articulamentum 42.
In addition, also can be, at the cross part of the 1st electrodes series 20 and the 2nd electrodes series 30, 2nd electrode layer 31 (31A, 31B) formed by identical conductive material with by linking part connected to each other for this electrode layer and formed continuously in the X direction, 1st electrode layer 21 (21A, 21B) all formed independently in the both sides of described linking part, at connection the 2nd electrode layer 31 (31A, the 1st insulation course 41 and Bridge 1 formula articulamentum 42 is formed on linking part 31B), by Bridge 1 formula articulamentum 42, the 1st adjacent in the Y direction electrode layer 21 each other and the 1st electrode layer 21 be connected by bridge-type with the 1st electrode layer 21A or 21B.
As shown in Figure 2, being formed at the wiring area H of one end of Y-direction of substrate 11, the 1st wiring layer 27a extended integratedly from the 1st electrode layer 21 of y1 row and the 1st wiring layer 27b, the 27c extended integratedly respectively from the 1st electrode layer 21 of y2, y3 row is formed with.
In addition, at wiring area H, the 2nd wiring layer 37a, 37b, 37c with the 2nd electrodes series 30 difference conducting is formed.
As shown in Figure 2, the 2nd wiring layer 37a forms as one with the 2nd electrode layer 31B being positioned at the cross part that x1 arranges and ya arranges.
2nd wiring layer 37b forms as one with the 2nd electrode layer 31A being positioned at the cross part that x2 arranges and yb arranges.2nd wiring layer 37b passes through in the inside of the 1st routing path 23B being formed at the 1st electrode layer 21B being positioned at the cross part that y1 row arrange with xb, and then by be positioned at the cross part that x1 row arranges with ya the 2nd electrode layer 31B interior curve and behind the inside of the 2nd routing path 33B that formed, arrive the wiring area H above diagram always.
2nd wiring layer 37c forms as one with the 2nd electrode layer 31 being positioned at the cross part that x3 arranges and yc arranges.The 1st routing path 23A of 2nd wiring layer 37c by being positioned at the 1st electrode layer 21A that cross part that y2 row arrange with xc puts and being formed, by the 2nd routing path 33A formed at the 2nd electrode layer 31A being positioned at the cross part that x2 row arrange with yb, by the 1st routing path 23B formed at the 1st electrode layer 21B being positioned at the cross part that y1 row arranges with xb, and then arrive wiring area H by behind the inside of the 2nd routing path 33B that formed at the 2nd electrode layer 31B being positioned at the cross part that x1 row and ya arrange always.
2nd wiring layer 37a is positioned at the 2nd whole electrode layer 31 (31B) conducting of the 2nd electrodes series 30 that x1 arranges with forming.2nd wiring layer 37b and the 2nd whole electrode layer 31 (31A) conducting forming the 2nd electrodes series 30 that x2 arranges.2nd wiring layer 37c is positioned at the 2nd whole electrode layer 31 conducting of the 2nd electrodes series 30 that x3 arranges with forming.
2nd wiring layer 37a, 37b, 37c passes through the conductive material of the light transmission of formation the 2nd electrode layer 31 (31A, 31B) and the 2nd electrode layer 31 (31A, 31B) forms as one.
In the diagram, the profile construction of the 1st electrode layer 21B being positioned at the cross part that y1 row arrange with xb is shown.
1st electrode layer 21B is divided into division electrode layer 25,25 by the 1st routing path 23B by two.By being formed with the 2nd insulation course 43 on 2 article of the 2nd wiring layer 37b, 37c of the 1st routing path 23B and inside thereof, be formed with Bridge 2 formula articulamentum 44 thereon.The division electrode layer 25,25 be partitioned into by routing path 23B is connected by Bridge 2 formula articulamentum 44, and the 1st electrode layer 21B overallly can play function as an electrode layer thus.
Similarly, at the 1st electrode layer 21A being positioned at the cross part that y2 row arrange with xc be also, 1st routing path 23A and the 2nd wiring layer 37c passed through therein is covered by the 2nd insulation course 43, by the Bridge 2 formula articulamentum 44 formed thereon, divide the mutual conducting of electrode layer 24,24, the entirety of the 1st electrode layer 21A can play function as an electrode layer.
Be arranged in the 2nd electrode layer 31A of the cross part that x2 row arrange with yb, the 2nd routing path 33A and the 2nd wiring layer 37c passed through therein is covered by the 3rd insulation course 45, by the 3rd bridge-type articulamentum 46 formed thereon, divides electrode layer 34,34 and connects.At the 2nd electrode layer 31B being arranged in the cross part that x1 row arrange with ya be also, 2nd routing path 33B and the 2nd wiring layer 37b, the 37c passed through therein is covered by the 3rd insulation course 45, by the 3rd bridge-type articulamentum 46 formed thereon, divide electrode layer 35,35 and be connected to each other.
The 2nd insulation course 43 shown in Fig. 4, is formed with identical operation by the material identical with the 1st insulation course 41 shown in Fig. 3.Bridge 2 formula articulamentum 44 shown in Fig. 4, is formed with identical operation by the material identical with the Bridge 1 formula articulamentum 42 shown in Fig. 3.In addition, the 3rd insulation course 45 is also formed with identical operation by the material identical with the 1st insulation course 41, and the 3rd bridge-type articulamentum 46 is also formed with identical operation by the material identical with Bridge 1 formula articulamentum 42.
The manufacturing process of input media 10 is, the surface being used in substrate 11 is formed with the raw material of the conductive material of the light transmission of ITO etc., after this conductive material is etched, form the 1st electrodes series 20, the 2nd electrodes series 30, the 1st wiring layer 27a, 27b, 27c and the 2nd wiring layer 37a, 37b, 37c.
Then, form the resin bed of phenolics and acryl resin on the substrate 11, by photo-mask process, while pattern form out the 1st insulation course 41 and the 2nd insulation course 43 and the 3rd insulation course 45.And then form the layered product of bridge-type articulamentum, by etching work procedure, form Bridge 1 formula articulamentum 42 and Bridge 2 formula articulamentum the 44 and the 3rd bridge-type articulamentum 46 simultaneously.
At wiring area H as shown in Figure 2, elongate wirings layer 28a extends from the 1st wiring layer 27a, and similarly elongate wirings layer 28b, 28c extend from the 1st wiring layer 27b and 27c.Elongate wirings layer 28a, 28b, 28c lamination on the conductive material layer of the light transmission of the ITO layer etc. of formation the 1st wiring layer 27a, 27b, 27c has low-resistance metal level of silver, copper etc. to be formed.Similarly, elongate wirings layer 38a, 38b, 38c extend from the 2nd wiring layer 37a, 37b, 37c.Elongate wirings layer 38a, 38b, 38c lamination on the conductive material layer of the light transmission of the ITO layer etc. of formation the 2nd wiring layer 37a, 37b, 37c has low-resistance metal level of silver, copper etc. to be formed.
On the surface of substrate 11, become to have the connecting portion 51 of connector portion, welding disk etc. in wiring area H-shaped, the terminal part of elongate wirings layer 28a, 28b, 28c and the terminal part of elongate wirings layer 38a, 38b, 38c extend to connecting portion 51.
As shown in Figure 2, the respective routing path of 2nd wiring layer 37c in the inside of the 1st electrode layer 21A and the 2nd electrode layer 31A and the 1st electrode layer 21B and the 2nd electrode layer 31B by rear, reach and arrange identical position with ya, the 2nd wiring layer 37b also the respective routing path of the inside of the 1st electrode layer 21B and the 2nd electrode layer 31B by rear, reach and arrange identical position with ya.2nd wiring layer 37a, 37b, 37c extends to wiring area H in the region extended compared to the 1st wiring layer 27a, 27b, 27c to the region that more right side is separated.Therefore, the 1st wiring layer 27a, 27b, 27c and the 2nd wiring layer 37a, 37b, 37c can not be connected up as different from each other.
By connecting portion 51, the region (i) elongate wirings layer 28a, 28b, the 28c with the 1st electrodes series 20 conducting can gathered and with the region (ii) that elongate wirings layer 38a, 38b, 38c of the 2nd electrodes series 30 conducting assemble be divided into left and right.At connecting portion 51, between region (i) and region (ii), be formed with the protective layer 49 that connects up.Wiring protective layer 49 is formed with identical operation by the conductive material identical with elongate wirings layer 28a etc.Wiring protective layer 49 is electrically independently formed with elongate wirings layer 28a, 28b, 28c and these both sides of elongate wirings layer 38a, 38b, 38c.By clipping wiring protective layer 49, elongate wirings layer 28a, 28b, the 28c being formed at region (i) and the electrostatic capacitance between elongate wirings layer 38a, 38b, 38c being formed at region (ii) can be reduced in.In addition, it is preferable that, wiring protective layer 49 is set as earthing potential.
As the input media in the past described in patent documentation 1 grade, when wanting the 1st wiring layer extended from the 1st electrodes series and assemble from the 2nd wiring layer that the 2nd electrode layer extends and be wound in the wiring area of one end of substrate, it is different from each other for having to the 1st wiring layer from the 1st electrodes series and the 2nd layer wiring from the 2nd electrode layer, 1st wiring layer is adjacent with the 2nd wiring layer, and wiring layer is coupled each other by larger electrostatic capacitance.Therefore, wiring area has sensitivity, and the sensitivity of this wiring area is overlapping as noise relative to detection action.
On the other hand, in said embodiment, the 1st wiring layer 27a, 27b, the 27c extended from the 1st electrodes series 20 can be drawn out to different region, left and right with the 2nd wiring layer 37a, 37b, the 37c extended from the 2nd electrodes series 30, region separated from each other elongate wirings layer 28a, 28b, 28c can be routed at the region of (i), elongate wirings layer 38a, 38b, 38c be routed at the region of (ii).Therefore, it is possible to reduce the coupling capacitance of each the 1st wiring layer and the 2nd wiring layer, the region with responsive sensitivity can be removed in the H of wiring area.
In addition, connected up as time different from each other at the 1st wiring layer 27a, 27b, 27c and the 2nd wiring layer 37a, 37b, 37c, need the whole spacer portion be formed in by wiring protective layer between the 1st wiring layer and the 2nd wiring layer, need to form multiple wiring protective layer.On the other hand, in embodiments, as long as only form the protective layer 49 that connects up between region (i) and region (ii).
In the input media 10 shown in Fig. 2, can through input media 10 and the surface panel 2 display image from outside visual inspection display panel 5.By observing this display while make finger touch surface panel 2, can input device 10.
This input media 10, is formed with electrostatic capacitance between the 1st electrodes series 20 and the 2nd electrodes series 30.When giving the driving electric power of pulse type successively to the electrodes series of either party of the 1st electrodes series 20 and the 2nd electrodes series 30, detect electric current in the timing of the rising edge and negative edge that drive electric power to circulate in the electrodes series of the opposing party, this detection electric current detected at testing circuit.Point close to time, finger with electrode layer between form electrostatic capacitance, therefore described detection curent change.By detecting the change of this detection electric current, which position of finger close to surface panel 2 can be detected.
In described input media 10, the 2nd wiring layer 37b, 37c passes through in the inside of the 1st electrode layer 21A, 21B and the 2nd electrode layer 31A, 31B, does not therefore need to form the path for making the 2nd wiring layer pass through between adjacent electrode layer.Therefore, it is possible to can not be restricted in order to the winding of the 2nd wiring layer, size, the configuration space of every one deck of the 1st electrode layer 21 (21A, 21B) and every one deck of the 2nd electrode layer 31 (31A, 31B) freely can be set.Therefore, it is possible to configure each electrode layer 21 (21A, 21B), 31 (31A, 31B) close to each otherly, can detection sensitivity be improved, the resolution of detection action can be improved.
In addition, 2nd wiring layer 37b, 37c passes through in the inside of the 1st electrode layer 21A, 21B and the 2nd electrode layer 31A, 31B, therefore, it is possible to the 2nd wiring layer 37a, 37b, 37c is routed in the region different from the 1st wiring layer 27a, 27b, 27c, do not need the 1st wiring layer 27a, 27b, 27c and the 2nd wiring layer 37a, 37b, 37c to be wound around different from each other.For elongate wirings layer 28a, 28b, 28c and elongate wirings layer 38a, 38b, 38c, be also identical.Therefore, it is possible to the wiring layer reduced from the 1st electrodes series 20 and the coupling capacitance of the wiring layer from the 2nd electrodes series 30, the detection noise of wiring area H can be reduced, S/N ratio can be improved.
Fig. 5 is the part amplification view of the arrangement of the electrode of the input media 110 representing the 2nd embodiment of the present utility model.In Figure 5, the component part identical with the 1st embodiment shown in Fig. 2 is accompanied by identical symbol and omits detailed description.
In these two embodiments of Fig. 2 and Fig. 5, from the 2nd wiring layer 37c that the 2nd electrode layer 31 extends, pass through in the inside of the 1st routing path 23A of the 1st electrode layer 21A and the 1st wiring layer 23B of the 1st electrode layer 21B.In addition the 2nd wiring layer 37b extended from the 2nd electrode layer 31A also passes through in the inside of the 1st routing path 23B being formed at the 1st electrode layer 21B.Between the 2nd wiring layer 37c and the 1st electrode layer 21A, be formed with electrostatic capacitance and have sensitivity, be also formed with electrostatic capacitance and have sensitivity between the 2nd wiring layer 37b, 37c and the 1st electrode layer 21B, this sensitivity becomes makes S/N than the reason worsened.
Therefore, in the input media 110 shown in Fig. 5, at the 1st electrode layer 21A, be formed with electrode protective layer 26,26 in the both sides of the 2nd wiring layer 37c, the division electrode layer 24,24 of electrode protective layer the 26,26 and the 1st electrode layer 21A insulate, and also insulate with the 2nd wiring layer 37c.By the existence of this electrode protective layer 26,26, the capacitive coupling between the 2nd wiring layer 37c and the 1st electrode layer 21A can be reduced, S/N ratio can be improved.
Similarly, at the 1st electrode layer 21B, be also formed with electrode protective layer 26,26 in the both sides of the 2nd wiring layer 37b, 37c of the inside by the 1st routing path 23B, electrode protective layer the 26,26 and the 2nd wiring layer 37b, 37c and the 1st these both sides of electrode layer 21B are insulated.Therefore, it is possible to suppress the generation of the detection noise in the 1st electrode layer 21B.
Electrode protective layer 26 also specially can not connect up and be so-called floating state.But it is preferable that, electrode protective layer 26 is set to earthing potential by other routing path.
In the embodiment shown in Fig. 5, in the inside of the 1st electrode layer 21 not forming routing path, be formed with the peristome 21a extended on the vergence direction identical with the 1st routing path 23A, 23B.Also be formed with the peristome 31a in an inclined direction extended in inside at the 2nd electrode layer 31.Thereby, it is possible to reduce to be formed with the 1st electrode layer 21A, 21B of the 1st routing path 23A, 23B and do not form the difference of area of the 1st electrode layer 21 of routing path, the sensitivity homogenising of the 1st electrode layer can be made.Similarly, the difference of the area of the 2nd electrode layer 31A, the 31B that can reduce to be formed with the 2nd routing path 33A, 33B and the 2nd electrode layer 31 not forming routing path, can make the sensitivity homogenising of the 2nd electrode layer.
Fig. 6 is the partial plan of the arrangement of the electrode of the input media 210 representing the 3rd embodiment of the present utility model.Below, only the difference of the input media 10 with the 1st embodiment shown in Fig. 2 is described.
Input media 10 shown in input media shown in Fig. 6 210 couples of Fig. 2 further increases the 2nd electrodes series 30 of x4 row and the 1st electrode layer 21 of xe row.
Described 2nd wiring layer 37c stretches out from the 2nd electrode layer 31C being positioned at the cross part that x3 row arrange with yc, but is formed with the 2nd routing path 33C at the 2nd electrode layer 31C.In addition, the 1st routing path 23C of curved shape is formed at the 1st electrode layer 21C being positioned at the cross part that y3 row arrange with xd.
2nd wiring layer 37d extends from the 2nd electrode layer 31 being positioned at the cross part that x4 row arrange with yc.2nd wiring layer 37d passes through in the inside of the 2nd routing path 33C of the 1st routing path 23C of the 1st electrode layer 21C, the 2nd electrode layer 31C, the 1st routing path 23A, the 2nd routing path 33A of the 2nd electrode layer 31A of the 1st electrode layer 21A, the 2nd routing path 33B of the 1st routing path 23B of the 1st electrode layer 21B and the 2nd electrode layer 31B, and is drawn out to wiring area H abreast with the 2nd wiring layer 37a, 37b, 37c.
As shown in Figure 6, by forming the routing path 23C of curved shape at the 1st electrode layer 21C, the 2nd wiring layer 37d extended from the 2nd electrode layer 31 being positioned at diagram more downside in contrast can be made to pass through, and to draw abreast with other the 2nd wiring layer 37a, 37b, 37c.When adopting this structure, the configurable number of the electrode layer of X-direction can not be increased, when adding the configurable number of electrode layer of Y-direction, the 2nd wiring layer extended from the 2nd electrode layer 31 can be drawn in the 2nd routing path of the 1st routing path of the 1st electrode layer and the 2nd electrode layer, freely can set size and the area of surveyed area S.
In addition, when increasing the configurable number of number of electrodes in the X direction needing the configurable number of the electrode layer do not increased in the Y direction, the configuration of the entirety of the electrode layer shown in Fig. 2 can be configured in the X direction more than 2 groups as 1 group and by it and tackling.In this case, multiple 1st wiring layer stretched out from the 1st electrodes series 20 alternately configures in the X direction with multiple 2nd wiring layers stretched out from the 2nd electrodes series 30, but the 1st wiring layer and the 2nd wiring layer can be avoided alternately to connect up item by item, can suppress to produce detection noise at wiring area H.
The variation of the 1st electrode layer 21A being positioned at the cross part that y2 row arrange with xc has been shown in Fig. 7.
The division electrode layer 24,24 of the 1st electrode layer 21A is linked by linking part 24a.Divide electrode layer 24,24 to be formed as one by identical conductive material with linking part 24a.It is divided and formed at vergence direction that routing path 23A, 23A clip linking part 24a.2nd wiring layer 37c, 37c is configured in the inside of described routing path 23A, 23A, but clips linking part 24a and be separated.
In this formation, the 4th insulation course 47 and the 4th bridge-type articulamentum 48 that cover linking part 24a are formed as extending obliquely, and by the 4th bridge-type articulamentum 48, the 2nd wiring layer 37c, 37c of separation is connected to each other and conducting.
Claims (7)
1. an input media,
The substrate of light transmission is formed the 1st electrode layer and the 2nd electrode layer that are formed by the conductive material of light transmission, and multiple described 1st electrode layer arranges on the 1st direction, and multiple described 2nd electrode layer arranges on the 2nd direction intersected with the 1st direction,
The feature of described input media is,
For linking part connected to each other for the electrode layer of either party in described 1st electrode layer and described 2nd electrode layer is formed by the conductive material of described light transmission, the 1st insulation course and Bridge 1 formula articulamentum has been overlapped to form on described linking part, electrode layer conducting each other by described Bridge 1 formula articulamentum of the opposing party
Be formed with routing path at described 1st electrode layer, the wiring layer extended from described 2nd electrode layer passes through in described routing path,
With described routing path, described 1st electrode layer is divided and the division electrode layer that obtains is continuous in described routing path with the layer of either party of described wiring layer, the 2nd insulation course and Bridge 2 formula articulamentum is formed, layer conducting by described Bridge 2 formula articulamentum of the opposing party on this continuous portion.
2. input media as claimed in claim 1,
Electrode protective layer is provided with between the described division electrode layer and described wiring layer of described 1st electrode layer.
3. input media as claimed in claim 1 or 2,
Also be formed with described routing path at described 2nd electrode layer, from described 2nd electrode layer extend described wiring layer in the described routing path being formed at described 1st electrode layer and be formed at other the 2nd electrode layer described routing path in pass through,
In other the 2nd electrode layer described be also, the division electrode layer divided with described routing path and the layer of either party of described wiring layer are continuous in described routing path, the 3rd insulation course and the 3rd bridge-type articulamentum is formed, layer conducting by described 3rd bridge-type articulamentum of the opposing party on this continuous portion.
4. input media as claimed in claim 1 or 2,
Described 1st electrode layer and described 2nd electrode layer arrange on the vergence direction tilted relative to the 1st direction and the 2nd these both sides of direction, and described wiring layer extends on described vergence direction.
5. input media as claimed in claim 4,
The 1st electrodes series formed by multiple described 1st electrode layer arranged on the 1st direction is provided with multiple row at spaced intervals on the 2nd direction, and the 2nd electrodes series formed by multiple described 2nd electrode layer arranged on the 2nd direction is provided with multiple row at spaced intervals on the 1st direction.
6. input media as claimed in claim 1 or 2,
Wiring layer from described 1st electrode layer extension and the described wiring layer from described 2nd electrode layer extension are all to the 1st direction extension, and the described wiring layer extended from described 1st electrode layer is adjacent one another are, and the described wiring layer extended from described 2nd electrode layer is adjacent one another are.
7. input media as claimed in claim 6,
The adjacent one another are and region (i) of arrangement of the wiring layer extended from described 1st electrode layer and the wiring layer that extends from described 2nd electrode layer adjacent one another are and between the region (ii) that arranges, be provided with wiring protective layer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-036999 | 2015-02-26 | ||
| JP2015036999A JP6370727B2 (en) | 2015-02-26 | 2015-02-26 | Input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205028258U true CN205028258U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520758240.8U Expired - Fee Related CN205028258U (en) | 2015-02-26 | 2015-09-28 | Input apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6370727B2 (en) |
| KR (1) | KR101668964B1 (en) |
| CN (1) | CN205028258U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202070A1 (en) * | 2016-05-26 | 2017-11-30 | 京东方科技集团股份有限公司 | Substrate, touch screen and touch display apparatus |
| CN110858572A (en) * | 2018-08-22 | 2020-03-03 | 美光科技公司 | Wiring having external terminal |
| CN114662446A (en) * | 2022-03-29 | 2022-06-24 | 东科半导体(安徽)股份有限公司 | Wiring optimization method for reducing dynamic power consumption |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6591469B2 (en) * | 2017-03-02 | 2019-10-16 | 双葉電子工業株式会社 | Touch panel |
| JP7073230B2 (en) * | 2018-08-24 | 2022-05-23 | 株式会社ジャパンディスプレイ | Display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101650074B1 (en) | 2010-09-29 | 2016-08-23 | 삼성디스플레이 주식회사 | Touch Screen Panel |
| KR101793677B1 (en) * | 2011-01-18 | 2017-11-06 | 삼성디스플레이 주식회사 | Touch Screen Panel |
| CN103733168B (en) * | 2011-07-22 | 2016-11-23 | 波利Ic有限及两合公司 | Capacitive touch panel device |
| KR101340043B1 (en) * | 2011-07-25 | 2013-12-10 | 한국과학기술원 | A wiring structure of touch screen panel and a method for fabricating wirings of touch screen panel |
| CN103197784B (en) * | 2012-01-06 | 2016-05-25 | 宸鸿科技(厦门)有限公司 | Contact panel and preparation method thereof |
| TW201445379A (en) * | 2013-05-21 | 2014-12-01 | Wintek Corp | Touch panel |
-
2015
- 2015-02-26 JP JP2015036999A patent/JP6370727B2/en not_active Expired - Fee Related
- 2015-09-28 CN CN201520758240.8U patent/CN205028258U/en not_active Expired - Fee Related
- 2015-10-21 KR KR1020150146589A patent/KR101668964B1/en active IP Right Grant
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202070A1 (en) * | 2016-05-26 | 2017-11-30 | 京东方科技集团股份有限公司 | Substrate, touch screen and touch display apparatus |
| US10506693B2 (en) | 2016-05-26 | 2019-12-10 | Boe Technology Group Co., Ltd. | Substrate, touch screen and touch display device |
| CN110858572A (en) * | 2018-08-22 | 2020-03-03 | 美光科技公司 | Wiring having external terminal |
| CN114662446A (en) * | 2022-03-29 | 2022-06-24 | 东科半导体(安徽)股份有限公司 | Wiring optimization method for reducing dynamic power consumption |
| CN114662446B (en) * | 2022-03-29 | 2024-05-03 | 东科半导体(安徽)股份有限公司 | Wiring optimization method for reducing dynamic power consumption |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016161963A (en) | 2016-09-05 |
| KR101668964B1 (en) | 2016-11-09 |
| JP6370727B2 (en) | 2018-08-08 |
| KR20160104534A (en) | 2016-09-05 |
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| C14 | Grant of patent or utility model | ||
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Address after: Tokyo, Japan Patentee after: ALPS ELECTRIC Co.,Ltd. Address before: Tokyo, Japan Patentee before: Alps Electric Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160210 |