CN204480198U - Contact panel - Google Patents
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- CN204480198U CN204480198U CN201520090983.2U CN201520090983U CN204480198U CN 204480198 U CN204480198 U CN 204480198U CN 201520090983 U CN201520090983 U CN 201520090983U CN 204480198 U CN204480198 U CN 204480198U
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Abstract
The utility model relates to technical field of touch control, provides a kind of contact panel, comprises a flexible base, board and a trace layer.Flexible base, board has a touch-control sensing portion and an extension, and extension protrudes from the side in touch-control sensing portion, and touch-control sensing portion is distinguished a touch-control sensing district and a surrounding zone.Trace layer is arranged on flexible base, board, and trace layer has the second lead-in wire that many first lead-in wires connecting touch-control sensing districts and many connect control panels, and many first lead-in wires go between to be electrically connected in the junction of touch-control sensing portion and extension with many second.Wherein the junction of touch-control sensing portion and extension has at least one breach.The substrate of tool touch control sensing circuit and flexible printed wiring board are integrated and are arranged on same substrate by the utility model, avoid carrying out engagement step, solve the problem of stress concentration of described substrate at invagination whereby.
Description
Technical field
The utility model is about a kind of contact panel, particularly about a kind of take flexible base, board as the contact panel of substrate.
Background technology
In recent years along with the technical development of contact panel, contact panel is used in each electronic product widely, such as mobile phone, flat computer, luggable computer, palmtop computer and Wearable device etc.Usual contact panel can be integrated mutually with display panel, as the IO interface of above-mentioned electronic product, to reach touch-control and Presentation Function simultaneously.
The structure of contact panel utilizes anisotropic conducting rubber (Anisotropic conductivefilm in the past; ACF) by the substrate of tool touch control sensing circuit and flexible printed wiring board (Flexible PrintCircuit Board; FPC) electrically engage, the sensing signal on touch control sensing circuit is sent to the circuit for detecting at rear portion to process.
Mostly current art is to utilize pressure programming operation to be engaged by the substrate of flexible printed wiring board with tool touch control sensing circuit.And at present pressure programming operation at least comprise anisotropic conducting rubber paste operation, hot pressing process etc.But, often pass through one processing procedure operation, all likely loss is caused for contact panel, such as, be short-circuited or open circuit problem because of excessive glue, reduce the yield of contact panel.
Utility model content
Because above-mentioned problem, the utility model provides a kind of contact panel, the substrate of tool touch control sensing circuit and flexible printed wiring board can be integrated and be arranged on same substrate, avoid carrying out engagement step, and solve the problem of stress concentration of described substrate at invagination simultaneously.
A flexible base, board and a trace layer is comprised according to a kind of contact panel of the present utility model.Flexible base, board has a touch-control sensing portion and an extension, and extension protrudes from the side in touch-control sensing portion, and touch-control sensing portion is distinguished a touch-control sensing district and a surrounding zone.Trace layer is arranged on flexible base, board, and trace layer has the second lead-in wire that many first lead-in wires connecting touch-control sensing districts and many connect control panels, and many first lead-in wires go between to be electrically connected in the junction of touch-control sensing portion and extension with many second.Wherein the junction of touch-control sensing portion and extension has at least one breach.
In one embodiment, flexible base, board has two breach.
In one embodiment, surrounding zone has a line outlet, and extension corresponds to the position of line outlet, and two breach difference positions are in the relative both sides of line outlet.
In one embodiment, many second lead-in wires are that many first lead-in wires are extended by surrounding zone and formed by extending to extension after line outlet again.
In one embodiment, the width of breach is more than or equal to 0.5 millimeter, and the degree of depth of breach is more than or equal to 1 millimeter.
In one embodiment, the shape of extension is square, rectangle or trapezoidal.
In one embodiment, extension also comprises one first extension and one second extension, and the first extension axially protrudes from the side in touch-control sensing portion along one, the second extension protrudes from the side of the first extension relative to touch-control sensing portion along described axis.
In one embodiment, the shape of the first extension is trapezoidal.
In one embodiment, each second lead-in wire formed by one the 3rd son lead-in wire and one the 4th son lead-in wire, and the 3rd son lead-in wire is located at the first extension and is electrically connected wherein one article of first lead-in wire, and the 4th son lead-in wire is located at the second extension and is electrically connected the 3rd son lead-in wire.
In one embodiment, the live width of the 3rd son lead-in wire is greater than the live width of the first lead-in wire.
In one embodiment, the live width of the 3rd son lead-in wire narrows gradually from surrounding zone toward the direction of the second extension.
In one embodiment, contact panel more comprises a protective seam, and protective seam to be arranged in trace layer and to correspond to the position of at least part of surrounding zone, to be covered to many first lead-in wires of small part.
In one embodiment, extension has also distinguished a lead areas and an overlapping regions, and overlapping regions is adjacent to lead areas, and overlapping regions has multiple pin, and many second lead-in wires are arranged on lead areas and are electrically connected multiple pin.
In one embodiment, more wider close to the distance between many second of overlapping regions lead-in wires.
In one embodiment, contact panel also comprises a protective seam, and protective seam to be arranged in trace layer and to correspond to the position of lead areas, to be covered to many second lead-in wires of small part.
In one embodiment, the material of protective seam is resistance to dielectric ink material of destroying or force to yield.
In one embodiment, contact panel also comprises a strengthening layer, and strengthening layer and trace layer are separately positioned on the relative both sides of flexible base, board, and the position of strengthening layer at least corresponds to the position of overlapping regions.
In one embodiment, the material of strengthening layer is pi.
In one embodiment, the material of flexible base, board comprises polyethylene terephthalate, polycarbonate, cyclic olefin polymer, Triafol T, polyethersulfone, polyolefin, polymethylmethacrylate or above-mentioned combination.
In one embodiment, the material of trace layer comprises Nai meter Yin, how rice aldary, carbon nanotube or above-mentioned combination.
A flexible base, board and a trace layer is comprised according to another kind of contact panel of the present utility model.Flexible base, board has a touch-control sensing portion and an extension, and extension protrudes from the side in touch-control sensing portion, and touch-control sensing portion is distinguished a touch-control sensing district and a surrounding zone.Trace layer is arranged on flexible base, board, and trace layer has the second lead-in wire that many first lead-in wires connecting touch-control sensing districts and many connect control panels, and many first lead-in wires go between to be electrically connected in the junction of touch-control sensing portion and extension with many second.Wherein many second lead-in wires are electrically connected in the side of extension with control panel.
In one embodiment, the material of trace layer comprises Nai meter Yin, how rice aldary, carbon nanotube or above-mentioned combination.
In one embodiment, the junction of touch-control sensing portion and extension has at least one breach.
In one embodiment, surrounding zone has a line outlet, and extension corresponds to the position of line outlet, and the relative both sides of line outlet have a breach respectively.
In one embodiment, the width of breach is more than or equal to 0.5 millimeter, and the degree of depth of breach is more than or equal to 1 millimeter.
In one embodiment, the shape of extension is square, rectangle or trapezoidal.
In one embodiment, extension has also distinguished a lead areas and an overlapping regions, and overlapping regions is adjacent to lead areas, and overlapping regions has multiple pin, and many second lead-in wires are arranged on lead areas and are electrically connected multiple pin.
In one embodiment, contact panel also comprises a protective seam, and protective seam to be arranged in trace layer and to correspond to the position of lead areas and at least part of surrounding zone, to be covered to many first lead-in wires and many second lead-in wires of small part.
In one embodiment, contact panel also comprises a strengthening layer, and strengthening layer and trace layer are separately positioned on the relative both sides of flexible base, board, and the position of strengthening layer at least corresponds to the position of overlapping regions.
In sum, the utility model provides a kind of contact panel, the substrate (touch-control sensing portion) of known tool touch control sensing circuit and known flexible printed wiring board (extension) are incorporated into same substrate, reach and do not need to carry out engagement step, raising yield, reduce material cost and shorten the effects such as production time.
In addition, touch-control sensing portion while there is a breach with the junction on one side of extension, make when extension reflexed is to the below in touch-control sensing portion, described breach dispersibles the stress because reflexed produces, to avoid rupturing because of reflexed between touch-control sensing portion and extension, improve the use reliability of contact panel.
In addition, use Nai meter Yin, how rice aldary, carbon nanotube or above-mentioned combination as the material of trace layer, utilize the flexibility characteristic of above-mentioned material, avoid when extension reflexed is to the below in touch-control sensing portion further, trace layer ruptures, and reduces the risk of contact panel infringement.
Accompanying drawing explanation
Figure 1A is the top view of a kind of contact panel of the utility model preferred embodiment.
Figure 1B is the sectional view along dotted line AA' shown in Figure 1A.
Fig. 1 C is the enlarged drawing of the region Z1 shown in Figure 1A.
Fig. 2 A is the top view of a kind of contact panel of another preferred embodiment of the utility model.
Fig. 2 B is the enlarged drawing of the region Z2 shown in Fig. 2 A.
Fig. 3 is the top view of a kind of contact panel of the another preferred embodiment of the utility model.
Fig. 4 A is the top view of the utility model a kind of contact panel of a preferred embodiment again.
Fig. 4 B is the sectional view along dotted line BB' shown in Fig. 4 A.
Embodiment
Hereinafter with reference to correlative type, a kind of contact panel according to the utility model preferred embodiment is described, wherein identical element is illustrated with identical reference symbol.
First, illustrate, alleged in aftermentioned embodiment " upper ＂, " lower ＂, " left ＂, " right ＂ position relationship is for making convenient understanding and with reference to graphic carried out description, is not as to restriction of the present utility model.
Figure 1A is the top view of a kind of contact panel 1 of the utility model preferred embodiment, and Figure 1B is the sectional view along dotted line AA' shown in Figure 1A.Please also refer to shown in Figure 1A and Figure 1B, contact panel 1 comprises flexible base, board 2 and a trace layer 3.Generally, contact panel 1 realizes using flexible base, board 2 as substrate, and trace layer 3 is arranged on the side of flexible base, board 2.
The material of flexible base, board 2 can be transparent or opaque insulating polymeric material, such as, be polyethylene terephthalate (Polyethylene terephthalate; PET), polycarbonate (Polycarbonate; PC), cyclic olefin polymer (Cycloolefin polymer; COP), Triafol T (Tricellulose Acetate; TCA), polyethersulfone (Ployethersulfone; PES), polyolefin (polyolefin; PO), polymethylmethacrylate (Polymethylmethacrylate; Or above-mentioned combination PMMA).
In addition, flexible base, board 2 can be single or multiple lift structure, and the utility model is not limited.The thickness of flexible base, board 2 can be about 45 microns to about 200 microns, and can be such as 55 microns, 100 microns or 175 microns, the utility model be equally as limit.Flexible base, board 2 is thinner relative to common thickness of glass substrate and have good pliability, and if flexible base, board 2 adopts transparent material, at the flexible base, board 2 of above-mentioned thickness range, there is good optical characteristics, such as high penetration.
Flexible base, board 2 has touch-control sensing portion 21 and an extension 22, and extension 22 protrudes from the side in touch-control sensing portion 21.Furthermore, extension 22 can be the downside or the upside that protrude from touch-control sensing portion 21 along one axial (such as Y-axis), certain extension 22 also can be the left side or the right side that protrude from touch-control sensing portion 21 along another axial (such as X-axis), although the present embodiment protrudes from the downside in touch-control sensing portion 21 as an example with extension 22, the utility model is not as restriction.In addition, although the contact panel 1 of the present embodiment is that to have an extension 22 be example, the utility model not with this quantity for restriction, the contact panel in other embodiment can have two or more extensions 22.
In addition, although in the present embodiment, the shape of extension 22 is rectangular in fact, and the shape of extension 22 can carry out adjusting and designing according to the demand of actual product.For example, the shape of extension 22 also can be square, trapezoidal, S shape, arc or other various geometric configuration.
In the present embodiment, touch-control sensing district 211 and a surrounding zone 212 also can have been distinguished by touch-control sensing portion 21, and surrounding zone 212 ring is located at touch-control sensing district 211, certainly, surrounding zone 212 also can be arranged at least side in touch-control sensing district 211, and the utility model does not limit.In addition, surrounding zone 212 has line outlet O, and line outlet O position is in the periphery in touch-control sensing portion 21, and extension 22 is the positions corresponding to line outlet O.More particularly, extension 22 is the sides protruding from touch-control sensing portion 21 from the position of line outlet O.
Can be provided with single or multiple lift sensing electrode floor (figure does not show) in touch-control sensing district 211, sensing electrode layer does not limit and is made up of the sensing electrode axle of single shaft or twin shaft.And each sensing electrode axle also can comprise multiple sensing electrode, the shape of sensing electrode then can according to side circuit Demand Design precedent as square, rectangle, rhombus, triangle, polygon or other various geometric configuration.And sensing electrode layer can be after utilizing sputtering method (sputter) or chemical vapour deposition technique (chemical vapor deposition method) deposits conductive material, and utilize photolithography techniques (photolithography) touch-control sensing district 211 will to be formed in after patterns of conductive materials.And conductive material can be transparent or opaque, it is preferably transparent, can be such as tin indium oxide (indium tin oxide; ITO), indium zinc oxide (indium zinc oxide; IZO), cadmium tin (cadmium tin oxide; CTO), aluminum zinc oxide (aluminum zinc oxide; AZO), indium tin zinc oxide (indium tin zinc oxide; ITZO), zinc paste (zinc oxide; ZnO), cadmium oxide (cadmium oxide; CdO), indium oxide gallium zinc (indium gallium zinc oxide; InGaZnO), indium oxide gallium zinc-magnesium (indium gallium zinc magnesium oxide; InGaZnMgO), indium oxide gallium magnesium (indium gallium magnesium oxide; Or indium oxide gallium aluminium (indium gallium aluminum oxide InGaMgO); The material such as InGaAlO).Conductive material also can be metal how rice wire or metal grill (metal mesh), and how rice wire can be such as Nai meter Yin line (sliver nanowire to metal; Or carbon nanotube (carbon nanotube) SNW).
Trace layer 3 comprises many first lead-in wires 31 and many second lead-in wires 32.Many first lead-in wires 31 are arranged on position touch-control sensing portion 21 corresponding to surrounding zone 212, and many second 32, lead-in wires are arranged on extension 22.Furthermore, one end of many first lead-in wires 31 is electrically connected to sensing electrode axle in touch-control sensing district 211 respectively, and the other end then goes between with many second respectively and 32 to be electrically connected.Many second lead-in wires 32 are then electrically connected with a control panel (scheming not show).In the present embodiment, many second lead-in wires 32 can be that many first lead-in wires 31 are extended by surrounding zone 212 and extend to extension 22 after the turnover of the position of line outlet O again and formed, can under the prerequisite not increasing processing procedure operation, many first lead-in wires 31 and many second lead-in wires 32 are formed with same material, to reduce processing procedure operation, and increase the degree of accuracy of route arrangement.In certain embodiments, many second lead-in wires 32 can be that many first lead-in wires 31 to be extended by surrounding zone 212 and by being formed directly to extension 22 extends after line outlet O, that is, many first lead-in wires 31 in the position of line outlet O without turnover.
Hold epimere, so, the sensing signal on each sensing electrode axle can sequentially by one first lead-in wire 31 and with described first go between 31 be electrically connected second go between and 32 to transmit out.It is worth mentioning that, the quantity of the first lead-in wire 31 is preferably the quantity corresponding to sensing electrode axle, and the quantity of the second lead-in wire 32 is preferably the quantity corresponding to the first lead-in wire 31.In addition, the material of trace layer 3 is flexible conducting materials, such as, can comprise Nai meter Yin, how rice aldary, carbon nanotube or above-mentioned combination.In the present embodiment, the material of trace layer 3 is with Nai meter Yin slurry as an example, and in other words, many first lead-in wires 31 and many second lead-in wires 32 can be Nai meter Yin lines.
And on extension 22, lead areas R1 and overlapping regions R2 can be distinguished in addition, overlapping regions R2 is adjacent to lead areas R1.Lead areas R1 is arranged between touch-control sensing portion 21 and overlapping regions R2.Multiple pin 4 be electrically insulated each other is provided with in overlapping regions R2.Aforesaid many second lead-in wires 32 to be arranged in lead areas R1 and insulated from each other, and the two ends of many second lead-in wires 32 go between with corresponding first respectively 31 and corresponding pin 4 be electrically connected.In the present embodiment, multiple pin 4 can be that the mode overlapped is arranged in trace layer 3, and goes between 32 to be electrically connected with corresponding many second, and that is, multiple pin 4 is that position is at different layers with trace layer 3.In further embodiments, pin 4 can be arranged on same layer with trace layer 3, in this case, the material of pin 4 can be selected to go between with first and 31 and second to go between 32 identical materials, so, pin 4 and first goes between and 31 and second goes between and 32 can be formed in same process step, to reduce processing procedure operation, and increases the degree of accuracy of route arrangement.
In practical application, when extension 22 is electrically connected with control panel, sensing signal in touch-control sensing district 211 can sequentially by the first lead-in wire 31, second lead-in wire 32, pin 4 and be sent to the circuit for detecting of rear end, and the circuit for detecting for rear end judges position of touch.That is, the extension 22 of the present embodiment has the function of flexible printed wiring board, makes contact panel 1 not need additionally to arrange flexible printed wiring board, just can directly and control panel be electrically connected.Specifically, extension 22 is electrically connected in the side of extension 22 with control panel through the second lead-in wire 32, and the mode that extension 22 and control panel are electrically connected, it can be connector extension 22 inserted on control panel, in certain embodiments, also through hot pressing, pin 4 and control panel can be electrically connected.
Touch-control sensing portion 21 is incorporated into a flexible base, board 2 with extension 22 by the contact panel 1 of the present embodiment, extension 22 is namely set and replaces flexible printed wiring board, compare with the substrate of known tool touch control sensing circuit and known flexible printed wiring board, can make contact panel 1 in the process manufactured, do not need through pressure programming operation, product yield can be improved and reduce material cost, such as: the cost of anisotropic conducting rubber, flexible printed wiring board, and the time of production manufacture can be shortened.
Then, please also refer to shown in Figure 1A and Fig. 1 C, Fig. 1 C is the enlarged drawing of the region Z1 shown in Figure 1A, and in the present embodiment, the 22a of extension 22 and one side 21a in touch-control sensing portion 21 connects, and breach F is formed in this junction.In practical application, breach F quantity can not with one for restriction, and it is preferably two, as shown in Figure 1A.Two breach F difference positions of the present embodiment are in the relative both sides of line outlet O.Breach F is formed at extension 22 and the junction in touch-control sensing portion 21, when user by replace known flexible printed wiring board extension 22 reflexed to the below in touch-control sensing portion 21 time, breach F dispersibles the stress because reflexed produces, to avoid the problem that stress concentrations and fracture occur because of reflexed between touch-control sensing portion 21 and extension 22, improve the use reliability of contact panel 1.
Define breach F further at this and have width d1 and degree of depth d2, and be described for the present embodiment that drawing illustrates, those skilled in the art simple and easyly can know other by inference and implement aspect.The breach F illustrated for Figure 1A and Fig. 1 C, width d1 refer to the air line distance of the 22a of extension 22 to the breach F leftmost side, and degree of depth d2 refers to the air line distance of one side 21a in touch-control sensing portion 21 to breach F bosom (top side).In the present embodiment, width d1 is preferably and is more than or equal to 0.5 millimeter, and degree of depth d2 is preferably and is more than or equal to 1.0 millimeters.Width d1 and degree of depth d2 can adjust according to the size of contact panel 1, to reach the effect of better dispersive stress.
In addition, it is worth mentioning that, bosom (top side) and the outermost first distance d3 gone between 31a of breach F also can adjust according to the size of contact panel 1, with avoid by extension 22 reflexed to the below in touch-control sensing portion 21 time, outermost first lead-in wire 31a is bent and is ruptured.For example, when the size of contact panel 1 is below 6 inch or 6 inch, distance d3 is preferably 0.5 millimeter; When the size of contact panel 1 is 7 inch to 11 inch, distance d3 is preferably 0.7 millimeter; When the size of contact panel 1 is more than 11 inch, distance d3 is preferably 1.0 millimeters.
Fig. 2 A is the top view of a kind of contact panel 1a of another preferred embodiment of the utility model, and only carry out describing for the place different from the contact panel 1 shown in Figure 1A below, all the other identical contents please refer to previous embodiment.Please refer to shown in Fig. 2 A, the extension 22 of the contact panel 1a in the present embodiment can distinguish one first extension 221 and one second extension 222.Furthermore, first extension 221 can be the side protruding from touch-control sensing portion 21 along one axial (such as Y-axis), and the second extension 222 then protrudes from the side of the first extension 221 relative to touch-control sensing portion 21 along described axis (such as Y-axis).Furthermore, the relative both sides of the first extension 221 are respectively adjacent to touch-control sensing portion 21 and the second extension 222.Same, the first extension 221 is the sides protruding from touch-control sensing portion 21 from the position corresponding to line outlet O.
In addition, aforesaid each second lead-in wire 32 (as Figure 1A) are also divided into one the 3rd son lead-in wire 321 and one the 4th son lead-in wire 322 in the present embodiment.Many articles the 3rd son lead-in wires 321 are arranged on the first extension 221, and many articles the 4th son lead-in wires 322 are then be arranged on the second extension 222 and go between with the corresponding the 3rd son respectively 321 to be electrically connected.In the present embodiment, many articles the 4th son lead-in wires 322 can be that many articles the 3rd son lead-in wires 321 are extended toward the second extension 222 from the first extension 221 and formed, can under the prerequisite not increasing processing procedure operation, many articles the 3rd son lead-in wires 321 and many articles the 4th son lead-in wires 322 are formed with same material, to reduce processing procedure operation, and increase the degree of accuracy of route arrangement.The material of the 3rd son lead-in wire 321 and the 4th son lead-in wire 322 can be the material of the second lead-in wire 32 in previous embodiment.
In the present embodiment, the shape of the first extension 221 is in fact trapezoidal, and the shape of the second extension 222 is in fact rectangle.Specifically, the first extension 221 is in the wider width of upside and narrower trapezoidal of the width of downside.The live width of many articles the 3rd son lead-in wires 321 can be designed to the live width being greater than many articles first lead-in wires 31.Such as, and specifically, the live width of the 3rd son lead-in wire 321 also can be designed to the shape meeting the first extension 221, is narrow gradually from surrounding zone 212 toward the direction of the second extension 222.For example, the 3rd son lead-in wire 321 can be such as 70 microns to 500 microns in the live width being adjacent to position, surrounding zone 212, and the 3rd son lead-in wire 321 can be such as 15 microns to 30 microns in the live width being adjacent to the second extension 222 position.Under this design, when user by the first extension 221 and the second extension 222 reflexed to the below in touch-control sensing portion 21 time, because the 3rd son lead-in wire 321 is wider in the live width being adjacent to surrounding zone 212, therefore, to more not easily there is the problem ruptured at the 3rd son lead-in wire 321 of reflexed position in position, also can prevent circuit from occurring to rupture in swapping process and causing the problem of open circuit simultaneously.
And position many articles the 4th of the second extension 222 son lead-in wire 322 its live widths with the 3rd sub go between 321 close in the live width being adjacent to the second extension 222 position, it can be such as 15 microns to 30 microns, generally, 4th son lead-in wire 322 live width compared to the 3rd son lead-in wire 321 live width be narrower, it is the rectangle that area is less that the second extension 222 so can be made to maintain, to reach the effect of saving baseplate material and avoiding extension 22 volume excessive.
Then, Fig. 2 B is the enlarged drawing of the region Z2 shown in Fig. 2 A, please also refer to Fig. 2 A and Fig. 2 B, in the present embodiment, the junction of one side 221b of the first extension 221 and one side 21b in touch-control sensing portion 21 has breach F, and can included angle A be formed between the extension line L of limit 21b and limit 221b, because the first extension 221 is narrower trapezoidal in wider and downside, upside, therefore included angle A forms obtuse angle.Form obtuse angle (included angle A) between touch-control sensing portion 21 and the first extension 221, contact panel 1a can be made when the first extension 221 and the second extension 222 reflexed are to the below in touch-control sensing portion 21, there is better stress dispersion effect.
Fig. 3 is the top view of a kind of contact panel 1b of the another preferred embodiment of the utility model, and only carry out describing for the place different from the contact panel 1 shown in Figure 1A below, all the other identical contents please refer to previous embodiment.Please refer to shown in Fig. 3, the contact panel 1b of the present embodiment, the second distance gone between 32 more close to overlapping regions R2 is wider.In other words, the distance between the second lead-in wire 32 being adjacent to position, surrounding zone 212 is narrower, and second lead-in wire 32 its line densities of this position are higher.In the present embodiment, because the second lead-in wire 32 distribution being adjacent to position, surrounding zone 212 is more concentrated, that is, the second lead-in wire 32 distance breach F near outside is far away, so, if the extension 22 of flexible base, board 2 causes breach F place's generation to tear during because of bending, the second lead-in wire 32 not easily sustains damage.
Fig. 4 A is the top view of the utility model a kind of contact panel 1c of a preferred embodiment again, and Fig. 4 B is the sectional view along dotted line BB' shown in Fig. 4 A.Below only for the present embodiment contact panel 1c and Fig. 3 shown in the different place of contact panel 1b carry out describing, all the other identical contents please refer to previous embodiment.
Please also refer to Fig. 4 A and Fig. 4 B, contact panel 1c also comprises a protective seam 5, and protective seam 5 is arranged in trace layer 3, and furthermore, protective seam 5 is arranged on the side of trace layer 3 relative to flexible base, board 2.First, the setting position of protective seam 5 corresponds at least part of surrounding zone 212, in order to cover at least part of first lead-in wire 31 of position in surrounding zone 212.In addition, the protective seam 5 also having part is arranged on the lead areas R1 corresponding to extension 22, to cover at least part of second lead-in wire 32 of position at lead areas R1.The main function of protective seam 5 is protection many first lead-in wire 31 and many second lead-in wires 32; make many first go between 31 and many second go between 32 and air exclusion; avoid going between and the problem of electric conductivity decline occurs because of oxidation, can prevent many first lead-in wires 31 and many second lead-in wires 32 from use chapping further.And the material of protective seam 5 can be transparent or opaque insulating material, refer to resistance to dielectric ink material of destroying or force to yield especially at this, in addition, the material of protective seam 5 also can be pi (Polyimide; PI), silicon nitride (Si3N4) or silicon dioxide (SiO2) etc., the utility model is not limited with above-mentioned material, and it can be selected according to actual product demand.In addition, the thickness of protective seam 5 is better is about 5 microns to 25 microns, and the utility model is not limited with this thickness equally.
In this special instruction, protective seam 5 can be single or multiple lift structure.In addition, be formed in trace layer 3 although the protective seam 5 of the present embodiment is the mode be connected with flood, in other embodiments, protective seam 5 also can be the mode that non-flood is connected.
On the other hand, the contact panel 1c of the present embodiment also comprises a strengthening layer 6, and strengthening layer 6 is arranged on flexible base, board 2 times.In other words, strengthening layer 6 and trace layer 3 are separately positioned on the relative both sides of flexible base, board 2.The material of strengthening layer 6 can be such as pi, acryl resin, epoxy resin or above-mentioned combination, at this particularly for pi.In the present embodiment, the overlapping regions R2 of at least corresponding part of the position set by strengthening layer 6, certainly, strengthening layer 6 also can correspond to the overlapping regions R2 of part and the lead areas R1 of part simultaneously.Strengthening layer 6 is main in order to strengthen the intensity of corresponding region.Specifically, due to the thinner thickness of the trace layer 3 of flexible base, board 2 and top thereof, this will make extension 22 be difficult to insert the connector of (or extracting) rear end, therefore through strengthening layer 6, reinforcement is carried out to this region, the process that extension 22 is inserting (or extracting) connector can be made more smooth, also can prevent the second lead-in wire 32 and pin 4 in the process of reflexed because integral thickness is too soft thin and the problem of fracture occurs simultaneously.The thickness of strengthening layer 6 is about 25 microns to about 250 microns, the utility model not with this thickness for restriction, it can according to different product demands, the difference of such as, connector on rear end control panel, and adjust.
What will illustrate at this is; although the contact panel 1c in Fig. 4 A and Fig. 4 B is arranged on the contact panel 1b shown in Fig. 3 for protective seam 5 and strengthening layer 6; in other embodiments; protective seam 5 and strengthening layer 6 also can arrange the contact panel 1a in contact panel 1 in figure ia or Fig. 2 A; and relative setting position and material with reference to the content of previous embodiment, can not repeat them here.
In sum, the utility model provides a kind of contact panel, the substrate (touch-control sensing portion) of known tool touch control sensing circuit and known flexible printed wiring board (extension) are incorporated into same substrate, reach and do not need to carry out engagement step, raising yield, reduce material cost and shorten the effects such as production time.
In addition, touch-control sensing portion while there is a breach with the junction on one side of extension, make when extension reflexed is to the below in touch-control sensing portion, described breach dispersibles the stress because reflexed produces, to avoid rupturing because of reflexed between touch-control sensing portion and extension, improve the use reliability of contact panel.
In addition, use Nai meter Yin, how rice aldary, carbon nanotube or above-mentioned combination as the material of trace layer, utilize the flexibility characteristic of above-mentioned material, avoid when extension reflexed is to the below in touch-control sensing portion further, trace layer ruptures, and reduces the risk of contact panel infringement.
The above is only illustrative, instead of restrictive.Anyly do not depart from spirit and scope of the present utility model, and to its equivalent modifications of carrying out or change, all should comprise in the appended claims.
Claims (29)
1. a contact panel, is characterized in that, comprising:
One flexible base, board, has a touch-control sensing portion and an extension, and described extension protrudes from the side in described touch-control sensing portion, and described touch-control sensing portion is distinguished a touch-control sensing district and a surrounding zone; And
One trace layer, be arranged on described flexible base, board, described trace layer has many and connects first lead-in wire in described touch-control sensing district and the second lead-in wire of many connection one control panels, described many first lead-in wires go between to be electrically connected in the junction of described touch-control sensing portion and described extension with described many second
The junction of wherein said touch-control sensing portion and described extension has at least one breach.
2. contact panel as claimed in claim 1, it is characterized in that, described flexible base, board has two breach.
3. contact panel as claimed in claim 2, it is characterized in that, described surrounding zone has a line outlet, and described extension corresponds to the position of described line outlet, and described two breach difference position is in the relative both sides of described line outlet.
4. contact panel as claimed in claim 3, is characterized in that, described many second lead-in wires are that described many first lead-in wires are extended by described surrounding zone and formed by extending to described extension after described line outlet again.
5. contact panel as claimed in claim 1, it is characterized in that, the width of described breach is more than or equal to 0.5 millimeter, and the degree of depth of described breach is more than or equal to 1 millimeter.
6. contact panel as claimed in claim 1, it is characterized in that, the shape of described extension is square, rectangle or trapezoidal.
7. contact panel as claimed in claim 1, it is characterized in that, described extension also comprises one first extension and one second extension, described first extension axially protrudes from the side in described touch-control sensing portion along one, described second extension protrudes from the side of described first extension relative to described touch-control sensing portion along described axis.
8. contact panel as claimed in claim 7, it is characterized in that, the shape of described first extension is trapezoidal.
9. contact panel as claimed in claim 7, it is characterized in that, each described many articles second lead-in wires formed by one the 3rd son lead-in wire and one the 4th son lead-in wire, described 3rd son lead-in wire is located at described first extension and is electrically connected wherein one article of first lead-in wire, and described 4th son lead-in wire is located at described second extension and is electrically connected described 3rd son lead-in wire.
10. contact panel as claimed in claim 9, is characterized in that, the live width of described 3rd son lead-in wire is greater than the live width of described first lead-in wire.
11. contact panels as claimed in claim 9, is characterized in that, the live width of described 3rd son lead-in wire narrows gradually from described surrounding zone toward the direction of described second extension.
12. contact panels as claimed in claim 1, it is characterized in that, described contact panel also comprises:
One protective seam, to be arranged in described trace layer and to correspond to the position of at least part of described surrounding zone, to be covered to described many first lead-in wires of small part.
13. contact panels as claimed in claim 1, it is characterized in that, described extension has also distinguished a lead areas and an overlapping regions, described overlapping regions is adjacent to described lead areas, described overlapping regions has multiple pin, and described many second lead-in wires are arranged on described lead areas and are electrically connected described multiple pin.
14. contact panels as claimed in claim 13, is characterized in that, more close to described overlapping regions described many second lead-in wire between distance wider.
15. contact panels as claimed in claim 13, it is characterized in that, described contact panel also comprises:
One protective seam, to be arranged in described trace layer and to correspond to the position of described lead areas, to be covered to described many second lead-in wires of small part.
16. contact panels as described in claim 12 or 15, it is characterized in that, the material of described protective seam is resistance to dielectric ink material of destroying or force to yield.
17. contact panels as claimed in claim 13, it is characterized in that, described contact panel also comprises:
One strengthening layer, is separately positioned on the relative both sides of described flexible base, board with described trace layer, and the position of described strengthening layer at least corresponds to the position of described overlapping regions.
18. contact panels as claimed in claim 17, it is characterized in that, the material of described strengthening layer is pi.
19. contact panels as claimed in claim 1, it is characterized in that, the material of described flexible base, board comprises polyethylene terephthalate, polycarbonate, cyclic olefin polymer, Triafol T, polyethersulfone, polyolefin, polymethylmethacrylate or above-mentioned combination.
20. contact panels as claimed in claim 1, is characterized in that, the material of described trace layer comprises Nai meter Yin, how rice aldary, carbon nanotube or above-mentioned combination.
21. 1 kinds of contact panels, is characterized in that, comprising:
One flexible base, board, has a touch-control sensing portion and an extension, and described extension protrudes from the side in described touch-control sensing portion, and described touch-control sensing portion is distinguished a touch-control sensing district and a surrounding zone; And
One trace layer, be arranged on described flexible base, board, described trace layer has many and connects the first lead-in wire of described touch-control sense lateral areas and the second lead-in wire of many connection one control panels, described many first lead-in wires go between to be electrically connected in the junction of described touch-control sensing portion and described extension with described many second
Wherein said many second lead-in wires are electrically connected in the side of described extension with described control panel.
22. contact panels as claimed in claim 21, is characterized in that, the material of described trace layer comprises Nai meter Yin, how rice aldary, carbon nanotube or above-mentioned combination.
23. contact panels as claimed in claim 21, it is characterized in that, the junction of described touch-control sensing portion and described extension has at least one breach.
24. contact panels as claimed in claim 21, it is characterized in that, described surrounding zone has a line outlet, and described extension corresponds to the position of described line outlet, and the relative both sides of described line outlet have a breach respectively.
25. contact panels as claimed in claim 23, it is characterized in that, the width of described breach is more than or equal to 0.5 millimeter, and the degree of depth of described breach is more than or equal to 1 millimeter.
26. contact panels as claimed in claim 21, is characterized in that, the shape of described extension is square, rectangle or trapezoidal.
27. contact panels as claimed in claim 21, it is characterized in that, described extension has also distinguished a lead areas and an overlapping regions, described overlapping regions is adjacent to described lead areas, described overlapping regions has multiple pin, and described many second lead-in wires are arranged on described lead areas and are electrically connected described multiple pin.
28. contact panels as claimed in claim 27, it is characterized in that, described contact panel also comprises:
One protective seam, to be arranged in described trace layer and to correspond to the position of described lead areas and at least part of described surrounding zone, to be covered to described many first lead-in wires of small part and described many second lead-in wires.
29. contact panels as claimed in claim 27, it is characterized in that, described contact panel also comprises:
One strengthening layer, is separately positioned on the relative both sides of described flexible base, board with described trace layer, and the position of described strengthening layer at least corresponds to the position of described overlapping regions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090983.2U CN204480198U (en) | 2015-02-09 | 2015-02-09 | Contact panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090983.2U CN204480198U (en) | 2015-02-09 | 2015-02-09 | Contact panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204480198U true CN204480198U (en) | 2015-07-15 |
Family
ID=53635977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520090983.2U Active CN204480198U (en) | 2015-02-09 | 2015-02-09 | Contact panel |
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| Country | Link |
|---|---|
| CN (1) | CN204480198U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105988616A (en) * | 2015-02-09 | 2016-10-05 | 宸鸿科技(厦门)有限公司 | Touch control panel |
| CN107340925A (en) * | 2017-07-14 | 2017-11-10 | 业成科技（成都）有限公司 | Touch module |
| CN107785397A (en) * | 2016-08-29 | 2018-03-09 | 株式会社日本显示器 | Display device |
| CN110489017A (en) * | 2019-09-27 | 2019-11-22 | 业成科技（成都）有限公司 | Touch screen, touching display screen and intelligent terminal |
-
2015
- 2015-02-09 CN CN201520090983.2U patent/CN204480198U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105988616A (en) * | 2015-02-09 | 2016-10-05 | 宸鸿科技(厦门)有限公司 | Touch control panel |
| CN107785397A (en) * | 2016-08-29 | 2018-03-09 | 株式会社日本显示器 | Display device |
| CN107340925A (en) * | 2017-07-14 | 2017-11-10 | 业成科技（成都）有限公司 | Touch module |
| CN110489017A (en) * | 2019-09-27 | 2019-11-22 | 业成科技（成都）有限公司 | Touch screen, touching display screen and intelligent terminal |
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