CN203299776U - Touch control panel - Google Patents
Touch control panel Download PDFInfo
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- CN203299776U CN203299776U CN2013203119117U CN201320311911U CN203299776U CN 203299776 U CN203299776 U CN 203299776U CN 2013203119117 U CN2013203119117 U CN 2013203119117U CN 201320311911 U CN201320311911 U CN 201320311911U CN 203299776 U CN203299776 U CN 203299776U
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- peripheral
- axial electrode
- ground wire
- electrically connected
- trackpad
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- 230000001939 inductive effect Effects 0.000 claims description 12
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Abstract
The utility model discloses a touch-control board has and distinguishes around and includes first basement, many first axial electrode, many second axial electrode, many first peripheries are walked line, many second peripheries are walked line, first earth connection and outside subassembly. The first peripheral routing is arranged in the peripheral area. Each first peripheral wire is electrically connected with a first axial electrode, and the first peripheral wires extend into the connecting area in the peripheral area. The second peripheral trace is disposed in the peripheral region and electrically connected to the second axial electrode. Each second peripheral trace extends into the connection zone. The first ground wire is arranged between the first peripheral wire and the second peripheral wire. The external component is arranged in the peripheral area and is electrically connected with the first peripheral wire, the second peripheral wire and the first grounding wire in the connecting area.
Description
Technical field
The utility model relates to a kind of Trackpad, particularly a kind of Trackpad with bilateral cabling (double routing) design of loop shape.
Background technology
The technical development of Trackpad is very diversified, and more common technology comprises resistance-type, condenser type and optical profile type etc. at present.Wherein capacitive touch control plate, owing to having the characteristics such as high-accuracy, multi-point touch, high durability and high touch-control resolution, has become the main flow touch technology that at present middle high-order consumption electronic products use.The principle of operation of capacitive touch control plate is to detect the capacitance variations of touch point position with induction electrode, and utilizes on the different directions axle tie line that links each electrode that signal is passed back and complete location.In traditional capacitance touching control plate technique, induction electrode is generally with transparent conductive material tin indium oxide (indium tin oxide for example, ITO) form, because the resistivity of transparent conductive material is higher, therefore the cabling that transmits or receive signal can all be set at single induction electrode two ends in the design of cabling, namely utilize the design of so-called bilateral cabling (double routing) reduce when the resistance of single induction electrode too high and cause the impact of signal delay.Especially in the Trackpad of large-size, the length of induction electrode needs increase with board size, and then causes this electricresistance effect to become obviously need to drive Trackpad in the mode of bilateral cabling.
As shown in Figure 1, in traditional Trackpad 100, be to utilize many first peripheral wirings 131 and many second peripheral wirings 132 are set in the peripheral region 192 of substrate 110, the two ends that make each induction electrode 121 that is positioned at touch-control sensing district 191 first peripheral wiring 131 and corresponding second peripheral wiring 132 corresponding with respectively are electrically connected to.Each first peripheral wiring 131 is to extend to one first bonding pad 193 with respect to an other end that is connected with induction electrode 121, and each second peripheral wiring 132 is to extend to one second bonding pad 194 (this mode is generally to be called the two pin of going out designs) with respect to an other end that is connected with induction electrode 121.Because the first bonding pad 193 and the second bonding pad 194 are generally the two ends that are positioned at peripheral region 192, therefore a flexible circuit board (flexible printed circuit, FPC) 180 needs to carry out joint technology (bonding process) in the first bonding pad 193 and the second bonding pad 194 respectively.Cause except needing when the joint technology respectively contraposition to be carried out in the first bonding pad 193 and the second bonding pad 194 man-hours requirement grows, the material of the required use of joint technology is anisotropic conductive film (Anisotropic Conductive Film for example, ACF) use amount also need increase, and the two pin of going out designs of traditional Trackpad need to have for the part of FPC the size of growing, and the cost of FPC is to be directly proportional to its area, therefore the cost of FPC can therefore increase be many relatively.Above-mentioned each problem all produces negative impact for production cost, therefore need the design of the Trackpad of bilateral cabling is further improved.
The utility model content
The purpose of this utility model is providing a kind of Trackpad, utilization drives under design at bilateral cabling (double routing), each peripheral wiring is become a closed loop (closed loop) with corresponding electrode design, so simplify external module joint technology complexity and reach the effect that reduces production costs.In addition, also utilize and ground wire is being set in order to improve the signal interference phenomenon between different peripheral wirings between peripheral wiring.
The utility model provides a kind of Trackpad, has a peripheral region.Trackpad comprises one first substrate, many first axial electrode, many second axial electrode, many first peripheral wirings, many second peripheral wirings, one first ground wire and external modules.The first axial electrode is arranged in the first substrate and along a first direction extends.The first peripheral wiring is arranged in peripheral region.Each first peripheral wiring is to be electrically connected to one first corresponding axial electrode respectively, and each first peripheral wiring is to extend to a bonding pad that is arranged in peripheral region.The second axial electrode is arranged in the first substrate and along a second direction extends.The second peripheral wiring is arranged in peripheral region, and each second peripheral wiring is to be electrically connected to one second axial electrode respectively.Each second peripheral wiring extends to the bonding pad that is arranged in peripheral region.The first ground wire is arranged between the first peripheral wiring and the second peripheral wiring.External module is arranged on peripheral region, and external module is electrically connected to the first peripheral wiring, the second peripheral wiring and the first ground wire in bonding pad.
The utility model provides a kind of Trackpad, has a peripheral region.Trackpad comprises one first substrate, many first axial electrode, many second axial electrode, many first peripheral wirings, many second peripheral wirings, one the 3rd ground wire and external modules.The first axial electrode is arranged in the first substrate and along a first direction extends.The first peripheral wiring is arranged in peripheral region, and each first peripheral wiring is to be electrically connected to one first axial electrode respectively, and respectively etc. the first peripheral wiring is to extend to a bonding pad that is arranged in peripheral region.The second axial electrode is arranged in the first substrate and along a second direction extends.The second peripheral wiring is arranged in peripheral region, and each second peripheral wiring is to be electrically connected to one second axial electrode respectively.Each second peripheral wiring extends to the bonding pad that is arranged in peripheral region.The 3rd ground wire is arranged between the first peripheral wiring and the second axial electrode.External module is arranged on peripheral region, and external module is electrically connected to the first peripheral wiring, the second peripheral wiring and the 3rd ground wire in bonding pad.
Description of drawings
Figure 1 shows that the schematic diagram of traditional Trackpad.
Figure 2 shows that the schematic diagram of the Trackpad of the first preferred embodiment of the present utility model.
The cut-open view of Fig. 3 for along A-A ' hatching line in Fig. 2, illustrating.
The cut-open view of Fig. 4 for along B-B ' hatching line in Fig. 2, illustrating.
Figure 5 shows that the schematic diagram of the Trackpad of an other preferred embodiment of the present utility model.
Figure 6 shows that the schematic diagram of the Trackpad of an other preferred embodiment of the present utility model.
Figure 7 shows that the upward view of the Trackpad of an other preferred embodiment of the present utility model.
Figure 8 shows that the side view of the Trackpad of an other preferred embodiment of the present utility model.
Figure 9 shows that the schematic diagram of the Trackpad of an other preferred embodiment of the present utility model.
Figure 10 shows that the schematic diagram of the Trackpad of the second preferred embodiment of the present utility model.
The cut-open view of Figure 11 for along C-C ' hatching line in Figure 10, illustrating.
Figure 12 shows that the schematic diagram of the Trackpad of the 3rd preferred embodiment of the present utility model.
The cut-open view of Figure 13 for along D-D ' hatching line in Figure 12, illustrating.
The cut-open view of Figure 14 for along E-E ' hatching line in Figure 12, illustrating.
Figure 15 shows that the schematic diagram of the Trackpad of the 4th preferred embodiment of the present utility model.
The cut-open view of Figure 16 for along F-F ' hatching line in Figure 15, illustrating.
Figure 17 shows that the schematic diagram of the Trackpad of the 5th preferred embodiment of the present utility model.
The cut-open view of Figure 18 for along G-G ' hatching line in Figure 17, illustrating.
Figure 19 shows that the schematic diagram of the Trackpad of the 6th preferred embodiment of the present utility model.
The cut-open view of Figure 20 for along H-H ' hatching line in Figure 19, illustrating.
Wherein, description of reference numerals is as follows:
100 Trackpad 110 substrates
121 induction electrode 131 first peripheral wirings
132 second peripheral wiring 180 flexible circuit board
191 192 peripheral regions, touch-control sensing districts
193 first 194 second bonding pads, bonding pads
200 Trackpad 201 Trackpads
202 Trackpad 203 Trackpads
204 Trackpad 211 first substrates
212 second substrate 221 first axial electrode
222 second axial electrode 231 first peripheral wirings
The discontinuous section of 231P contact pad 235
239 ground wire 240 insulation courses
250 protective seam 260 bonding coats
270 decorative layer 280 external modules
291 photic zone 292 peripheral regions
293 bonding pad 300 Trackpads
370 connecting line 380 external modules
393 bonding pad 400 Trackpads
421 first axial electrode 421A collets
421B first connecting line 421S the first sensing pad
422 second axial electrode 422B the second connecting lines
422S the second sensing pad 431 first peripheral wirings
The discontinuous section of 432P contact pad 435
439 ground wire 439A the first ground wires
439B the second ground wire 439C the 3rd ground wire
500 Trackpad 600 Trackpads
700 Trackpad 710 sensing units
710A inductive component 710B responds to cabling
710P contact pad CH1 contact openings
CH2 contact openings CH3 contact openings
X first direction Y second direction
Z vertical projection direction
Embodiment
Have the knack of the utility model person of ordinary skill in the field and can further understand the utility model for making, hereinafter the spy enumerates several preferred embodiment of the present utility model, and coordinates accompanying drawing, describes constitution content of the present utility model in detail.
To shown in Figure 4, the Trackpad 200 of the first preferred embodiment of the present utility model has a photic zone 291 and a peripheral region 292, and peripheral region 292 is positioned at least one side of photic zone 291 as Fig. 2.The peripheral region 292 of the present embodiment is the surrounding around photic zone 291, but the utility model as limit, can optionally not make peripheral region 292 only with the adjacent setting of part edge of photic zone 291.Trackpad 200 comprises one first substrate 211, many first axial electrode 221 and many first peripheral wirings 231.The first axial electrode 221 and the first peripheral wiring 231 are arranged in the first substrate 211.The first axial electrode 221 is to be arranged at least in photic zone 291 and along a first direction X to extend, and the first peripheral wiring 231 is arranged in peripheral region 292.In other words, the first axial electrode 221 can optionally be arranged in photic zone 291 fully or viewable design need to partly extend to peripheral region 292, but not as limit.The two ends of each first peripheral wiring 231 are that the two ends of corresponding with one respectively the first axial electrode 221 are connected, the first peripheral wiring 231 that connects each first axial electrode 221 two ends is to extend to a bonding pad 293 that is arranged in peripheral region 292, and each first peripheral wiring 231 is to form a closed loop (closed loop) in the first substrate 211 with the first corresponding axial electrode 221.In other words, any point on the first peripheral wiring 231 is as starting point, advance along the first peripheral wiring 231 and the first corresponding axial electrode 221, still can get back to the starting point on this first peripheral wiring 231 finally, therefore can claim that this structure is a closed loop.In addition, this closed loop is only the first peripheral wiring 231 and the first corresponding axial electrode 221, directly to consist of on the surface of the first substrate 211, do not need again by other external modules for example flexible circuit board (flexible printed circuit, FPC) form.In the present embodiment, Trackpad 200 can also comprise that an insulation course 240 and protective seam 250 storehouses are in the first substrate 211.The material of insulation course 240 and protective seam 250 can comprise respectively for example for example acrylic resin (acrylic resin) or other material that is fit to of silicon nitride (silicon nitride), monox (silicon oxide) and silicon oxynitride (silicon oxynitride), organic material of inorganic material.Protective seam 250 is arranged on the first peripheral wiring 231, and protective seam 250 has at least one contact openings CH1, and contact openings CH1 is that part exposes the first corresponding peripheral wiring 231.In the present embodiment, peripheral region 292 comprises bonding pad 293, and contact openings CH1 is positioned at bonding pad 293, in order to expose at least partly the first peripheral wiring 231 that is positioned at bonding pad 293.In other words; each first peripheral wiring 231 is to be touched open C H1 to be exposed to outside protective seam 250 in bonding pad 293, with so that an external module (Fig. 2 does not show to Fig. 4) for example flexible circuit board can be in bonding pad 293 with each first peripheral wiring 231, carry out joint technology (bonding process) in order to pass through each first peripheral wiring, 231 control the first axial electrode 221.Because each first peripheral wiring 231 of the present embodiment is to form a closed loop in the first substrate 211 with the first corresponding axial electrode 221, therefore Trackpad 200 can only need arrange a bonding pad 293 in order to be electrically connected to (this mode also can be described as one and singly goes out the pin design) with external module, and then reaches the effect of simplifying joint technology.In addition, because each first peripheral wiring 231 is to be connected to simultaneously the first corresponding two ends of axial electrode 221 on first direction X, so the design of the first peripheral wiring 231 can be considered a bilateral cabling (double routing) design, and can improve whereby because of the first too high relevant issues that produce of axial electrode 221 resistances.
Further illustrate, first axial electrode 221 of the present embodiment and the first peripheral wiring 231 can comprise for example tin indium oxide (indium tin oxide of transparent conductive material, ITO), indium zinc oxide (indium zinc oxide, IZO) with aluminum zinc oxide (aluminum zinc oxide, AZO) or other nontransparent conductive materials that are fit to for example composite bed of silver, aluminium, copper, magnesium, molybdenum, above-mentioned material or the alloy of above-mentioned material, but not as limit.In addition, Trackpad 200 can also comprise that a ground wire 239 is arranged in the first substrate 211 and around each first peripheral wiring 231 and each the first axial electrode 221.Ground wire 239 is that part is arranged in bonding pad 293, in order to the external module with above-mentioned, is electrically connected to.Ground wire 239 can form closed loop with the external module that is positioned at bonding pad 293 in the first substrate 211.As shown in Figure 3, the first peripheral wiring 231 can overlap to reach with corresponding the first axial electrode 221 and contact with each other and the effect that is electrically connected on the vertical projection direction Z of vertical first substrate 211, but the utility model is not as limit.As shown in Figure 5, in the Trackpad 201 of an other preferred embodiment of the present utility model, the first peripheral wiring 231 reaches interconnected effect with the mode that corresponding the first axial electrode 221 can be one of the forming.In other words, the first peripheral wiring 231 and the first axial electrode 221 can be by a conductive layer being carried out patterning and being formed in the lump in the first substrate 211, in order to reach the effect of further simplified manufacturing process.The first peripheral wiring 231 and the first axial electrode 221 can be same material and form, but not as limit.In addition, the utility model also can optionally be distinguished around at least one side of 292 one decorative layer 270 is set, and in order to the periphery at Trackpad 200, forms decorative effect, but not as limit.
As shown in Figure 6, the Trackpad 202 of an other preferred embodiment of the present utility model can also comprise an external module 280, be arranged on peripheral region 292 and be arranged at least partly in bonding pad 293, external module 280 is to be electrically connected to the first peripheral wiring 231 of bonding pad 293 in order to control each first axial electrode 221.External module 280 can comprise flexible circuit board, drive integrated circult or other external modules that is fit to.In the present embodiment, each first peripheral wiring 231 is to form closed loop with the first corresponding axial electrode 221 and the external module 280 that is positioned at bonding pad 293 in the first substrate 211.In other words, each first axial electrode 221 is to form closed loop with the first corresponding peripheral wiring 231 in the first substrate 211, and ground wire 239 can form closed loop in the first substrate 211, and external module 280 is to be electrically connected to this two closed loop.
As Fig. 7 and shown in Figure 8, the Trackpad 203 of an other preferred embodiment of the present utility model can also comprise many second axial electrode 222, is arranged at least in photic zone 291 and along a second direction Y and extends.In other words, the second axial electrode 222 can optionally be arranged in photic zone 291 fully or viewable design need to partly extend to peripheral region 292, but not as limit.First direction X is vertical second direction Y substantially, but not as limit.In the present embodiment, each first axial electrode 221 is to be separately positioned on the different surfaces of the first substrate 211 with each second axial electrode 222, but not as limit.What deserves to be explained is, each first axial electrode 221 can be a touching signals with each second axial electrode 222 and transmits electrode and a touching signals receiving electrode, respectively in order to transmit the touch-control sensing signal and to receive the touch-control sensing signal.In other words, Trackpad 203 can be in order to carry out a mutual capacitance type (mutual capacitive) touch-control sensing, but not as limit.
As shown in Figure 9, the Trackpad 204 of an other preferred embodiment of the present utility model can also comprise one second substrate 212 and a bonding coat 260.The second substrate 212 is to be oppositely arranged with the first substrate 211, and the second axial electrode 222 is arranged in the second substrate 212.Bonding coat 260 is arranged between the first substrate 211 and the second substrate 212, in order to bind the first substrate 211 and the second substrate 212.Second axial electrode 222 of the present embodiment is arranged on the second substrate 212 in the face of on a surface of the first substrate 211, but the utility model is as limit, and in other preferred embodiments of the present utility model also viewable design the second axial electrode 222 need to be arranged on the second substrate 212 on a surface of the first substrate 211.
As Figure 10 and shown in Figure 11, one second preferred embodiment of the present utility model provides a Trackpad 300.The places different from above-described embodiment are, Trackpad 300 also comprises many connecting lines 370 and an external module.Connecting line 370 is arranged on protective seam 250, and protective seam 250 has at least one contact openings CH2 with the first peripheral wiring 231 corresponding to part exposure.One end of each connecting line 370 is to be electrically connected to the first corresponding peripheral wiring 231 by contact openings CH2, and an other end of each connecting line 370 is the edge extensions towards Trackpad 300.That is to say, each connecting line 370 is to extend to a bonding pad 393 that is positioned at peripheral region 292 with respect to an other end that is connected with the first peripheral wiring 231.External module 380 is to be arranged at least partly on connecting line 370, and external module 380 is to be electrically connected to the first peripheral wiring 231 by connecting line 370, and then by connecting line 370 and the first peripheral wiring 231, controls the first axial electrode 231 that is positioned at photic zone.First peripheral wiring 231 of the present embodiment is not to be arranged in bonding pad 393, while therefore can avoid external module 380 to carry out joint technology, needing heavy industry (rework), the first peripheral wiring 231 is produced and destroys, and then reach the effect that promotes the overall acceptability rate.The Trackpad 300 of the present embodiment is except connecting line 370, and the feature of all the other each parts, setting position and material behavior are similar to above-mentioned the first preferred embodiment, therefore at this and repeat no more.
To shown in Figure 14, one the 3rd preferred embodiment of the present utility model provides a Trackpad 400 as Figure 12.Trackpad 400 has photic zone 291 and peripheral region 292 and is positioned at least one side of photic zone 291.The peripheral region 292 of the present embodiment is the surrounding around photic zone 291, but not as limit.Trackpad 400 comprises the first substrate 211, many first axial electrode 421, many second axial electrode 422 and many first peripheral wirings 431.The first axial electrode 421, the second axial electrode 422 and the first peripheral wiring 431 are arranged on the same surface of the first substrate 211.The first axial electrode 421 is be arranged at least in photic zone 291 and along first direction X, extend, the second axial electrode 422 is be arranged at least in photic zone 291 and along second direction Y, extend, and the first axial electrode 421 and the second axial electrode 422 also may extend into peripheral region 292, and the first peripheral wiring 431 is arranged in peripheral region 292.The two ends of each first peripheral wiring 431 are that the two ends of corresponding with one respectively the first axial electrode 421 are connected, and each first peripheral wiring 431 is to form a closed loop in the first substrate 211 with the first corresponding axial electrode 421.Each first axial electrode 421 of the present embodiment comprises a plurality of the first sensing pad 421S and at least one the first connecting line 421B, the first connecting line 421B is electrically connected to two the first adjacent sensing pad 421S, each second axial electrode 422 comprises a plurality of the second sensing pad 422S and at least one the second connecting line 422B, and the second connecting line 422B is electrically connected to two the second adjacent sensing pad 422S.Trackpad 400 can also comprise that at least one collets 421A is arranged between the first connecting line 421B and corresponding the second connecting line 422B, in order to electricity isolation the first axial electrode 421 and the second axial electrode 422.The first connecting line 421B and the second connecting line 422B a kind of metal wire that comprises at least wherein.
In the present embodiment; Trackpad 400 can also comprise that at least one protective seam 250 is arranged on the first peripheral wiring 431 and ground wire 439; or protective seam 250 can whole face covers the first substrate 211, many first axial electrode 421, many second axial electrode 422, many first peripheral wirings 431, many second peripheral wirings 432 and ground wire 439, and position, the number of plies, material that protective seam 250 arranges do not limit at this.Protective seam 250 has at least one contact openings CH3, and contact openings CH3 exposes the first corresponding peripheral wiring 431 and ground wire 439.In addition, peripheral region 292 comprises a bonding pad 493, and each first peripheral wiring 431 comprises that a contact pad 431P is arranged in bonding pad 493, and contact openings CH3 exposes contact pad 431P.Further illustrate, Trackpad 400 can also comprise that many second peripheral wirings 432 and at least one ground wire 439 are arranged in peripheral region 292.One end of each second peripheral wiring 432 is to be electrically connected to the second corresponding axial electrode 422, and each second peripheral wiring 432 is to extend to bonding pad 493 with respect to an other end that is connected with the second axial electrode 422.Each second peripheral wiring 432 comprises in a contact pad 432P bonding pad 493, and contact openings CH3 exposes contact pad 432P.Ground wire 439 is arranged in the first substrate 211 and around each first peripheral wiring 431, each second peripheral wiring 432, each first axial electrode 421 and each the second axial electrode 422.in addition, ground wire 439 is to be arranged at least partly between the first peripheral wiring 431 and the second peripheral wiring 432, be arranged at least partly between the first peripheral wiring 431 and the first axial electrode 421, be arranged at least partly between the first peripheral wiring 431 and the second axial electrode 422, be arranged at least partly between the second peripheral wiring 432 and the first axial electrode 421, and be arranged at least partly between the second peripheral wiring 432 and the second axial electrode 422, avoid in order to reach the purpose that between each axial electrode and each peripheral wiring, signal disturbs, but not as limit.Further illustrate, ground wire 439 is arranged in peripheral region 292 and is arranged at least partly in bonding pad 493.Ground wire 439 can comprise one first ground wire 439A, one second ground wire 439B and one the 3rd ground wire 439C.The first ground wire 439A is arranged between the first peripheral wiring 431 and peripheral wiring 432 at least partly, and the second ground wire 439B is arranged in the first substrate 211 and around each first axial electrode 421, each first peripheral wiring 431, each second axial electrode 422 and each the second peripheral wiring 432.The 3rd ground wire 439C is arranged between the first peripheral wiring 431 and the second axial electrode 422.The first ground wire 439A, the second ground wire 439B and the 3rd ground wire 439C can comprise respectively that a contact pad 439P is arranged in bonding pad 493, and contact openings CH3 exposes contact pad 439P.In addition, the first ground wire 439A and the second ground wire 439B form a closed loop in the first substrate 211, but not as limit.In addition, the first ground wire 439A can be in bonding pad 493 has one discontinuous 435, and contact pad 439P connects the two ends of discontinuous 435 of the first ground wire 439A, with so that the two ends of discontinuous 435 of the first ground wire 439A be electrically connected to via contact pad 439P.What deserves to be explained is, each length of discontinuous 435 is to be less than or equal to 5 millimeters (mm), and this discontinuous minister's degree preferable range is that 0.01mm is to 0.5mm, but not as limit.Also note that the utility model also can optionally distinguish around at least one side of 292 one decorative layer 270 is set, in order to the periphery at Trackpad 400, form decorative effect, but not as limit.
As Figure 12 and shown in Figure 14, Trackpad 400 can also comprise an external module 480, and external module 480 comprises a plurality of contact tabs and the corresponding setting of contact pad 431P, contact pad 432P or contact pad 439P.External module 480 can for example anisotropic conductive film (Anisotropic Conductive Film, ACF) and the contact pad 431P that is positioned at bonding pad 493, contact pad 432P and contact pad 439P formation be electrically connected to by a conductive adhesion material (not shown).In other words, external module 480 is to be electrically connected to the first peripheral wiring 431 and the second peripheral wiring 432 by contact openings CH3, and then can control the first axial electrode 421 and the second axial electrode 422 that is positioned at photic zone 491.The Trackpad 400 of the present embodiment except the structure of the first axial electrode 421 and with the setting position of each the second axial electrode 422, the feature of all the other each parts and material behavior are similar to above-mentioned the second preferred embodiment, therefore at this and repeat no more.What deserves to be explained is, the external module 480 of the present embodiment can be electrically connected to ground wire 439 by contact openings CH3, external module 480 can be electrically connected to each contact pad 439P, and the first ground wire 439A and the second ground wire 439B can form closed loop with the external module 480 that is positioned at bonding pad 493 in the first substrate 211.In other words, external module 480 can be electrically connected to the first ground wire 439A, the second ground wire 439B and the 3rd ground wire 439C by contact pad 439P.Further illustrate, external module 480 can be in bonding pad 493 two ends of discontinuous 435 that are electrically connected to the first ground wire 439A, with so that the two ends of discontinuous 435 of the first ground wire 439A be electrically connected to via external module 480, but not as limit.
As Fig. 6, Figure 15 and shown in Figure 16, one the 4th preferred embodiment of the present utility model provides a Trackpad 500.The places different from above-mentioned the first preferred embodiment are, each first peripheral wiring 231 of Trackpad 500 comprises respectively that with ground wire 239 one discontinuous 235 is arranged in bonding pad 293.The contact openings CH1 of protective seam 250 is that part exposes the first corresponding peripheral wiring 231 and ground wire 239, and discontinuous 235 of each first peripheral wiring 231 is settings corresponding to contact openings CH1.In other words, the both sides of discontinuous 235 of each first peripheral wiring 231 are still to be touched open C H1 to expose, therefore external module 280 can form and be electrically connected to the first axial electrode 221 by the first peripheral wiring 231 that is exposed out in bonding pad 293.Therefore, each first peripheral wiring 231 is to form a closed loop with the first corresponding axial electrode 221 and external module 280 in the first substrate 211.That is to say, the first peripheral wiring 231 that connects each first axial electrode 221 two ends is 293 to have discontinuous 235 in bonding pad respectively, and external module 280 is 293 two ends of discontinuous 235 that are electrically connected to each first peripheral wiring 231 and ground wire 239 in bonding pad, in order to form closed loop, wherein external module can comprise for example flexible circuit board (flexible printed circuit, FPC).Under the design of discontinuous 235 by the present embodiment, can possess the advantage that singly goes out pin and can reach the purpose of improving signal controlling by discontinuous 235.The Trackpad 500 of the present embodiment is except discontinuous 235, and the feature of all the other each parts and material behavior are similar to above-mentioned the first preferred embodiment, therefore at this and repeat no more.What deserves to be explained is, each length of discontinuous 235 is to be less than or equal to 5 millimeters (mm), this discontinuous minister's degree preferable range be 0.01mm to 0.5mm, be issued in order to be engaged in the situation that need not strengthen external module 280 effect that singly goes out pin.In addition, the peripheral wiring of the Trackpad of the various embodiments described above and ground wire also can optionally arrange discontinuous 235 as the present embodiment, in order to reach the required effect of improving signal controlling.
As Fig. 6, Figure 17 and shown in Figure 180, one the 5th preferred embodiment of the present utility model provides a Trackpad 600.The places different from above-mentioned the 4th preferred embodiment are, each first peripheral wiring 231 of Trackpad 600 can also comprise respectively that with ground wire 239 a contact pad 231P is arranged in bonding pad 293, each contact pad 231P is the two ends of discontinuous 235 that connect respectively each first peripheral wiring 231 and ground wire 239, with so that each first peripheral wiring 231 forms closed loop with the first corresponding axial electrode 221 in the first substrate 211, and make ground wire 239 form closed loop in the first substrate 211.The contact openings CH1 of protective seam 250 is that part exposes corresponding contact pad 231P; therefore external module 280 can be electrically connected to the contact pad 231P that is exposed out in bonding pad 293, and by contact pad 231P, with the first peripheral wiring 231 and the first axial electrode 221 formation, be electrically connected to.The Trackpad 600 of the present embodiment is except contact pad 231P, and the feature of all the other each parts and material behavior are similar to above-mentioned the 4th preferred embodiment, therefore at this and repeat no more.What deserves to be explained is, contact pad 231P can be a transparent conductive material or the metallic conduction material is made, with so that each first peripheral wiring 231 forms closed loop with the first corresponding axial electrode 221 in the first substrate 211, and coordinate external module 280 to be electrically connected to each contact pad 231P, but the utility model is not as limit,, as long as each first peripheral wiring 231 does not limit any form to form closed loop with the first corresponding axial electrode 221 in the first substrate 211, can obtain the effect that the utility model is simplified joint technology and reduced costs.In addition, the Trackpad of the various embodiments described above also can optionally arrange discontinuous 235 and contact pad 231P as the present embodiment, in order to reach the required effect of improving.
As Figure 19 and shown in Figure 20, one the 6th preferred embodiment of the present utility model provides a Trackpad 700.The places different from above-mentioned the 3rd preferred embodiment are, Trackpad 700 also comprises that a sensing unit 710 is arranged on peripheral region 292.Sensing unit 710 can comprise that at least one inductive component 710A and an induction cabling 710B are electrically connected to inductive component 710A, and induction cabling 710B extends in bonding pad 493,, with so that external module 480 can be in bonding pad 493 with induction cabling 710B, is electrically connected to, and further be connected to inductive component 710A.Further illustrate, sensing unit 710 can comprise that also contact pad 710P is arranged in bonding pad 493, and external module 480 can be electrically connected to induction cabling 710B by the contact pad 710P that contact openings CH3 exposes, but not as limit.The inductive component 710A of the present embodiment can comprise connect closely that induction line, close range wireless communication (near field communication, NFC) assembly or other are fit to distinguish around 292 inductive components that arrange.In addition, the 3rd ground wire 439C preferably is arranged between induction cabling 710B and the second axial electrode 422 and is arranged between induction cabling 710B and the first axial electrode 421, can avoid whereby the signal of sensing unit 710 and the signal of the first axial electrode 421 and the second axial electrode 422 to occur to disturb and interact.
In addition, can be chosen in outside the second ground wire 439B and lay an antenna structure (not illustrating), because the second ground wire 439B is situated between between antenna structure and the first peripheral wiring 431 and induction cabling 710B, therefore, can avoid the first peripheral wiring 431 and induction cabling 710B to be subject to the interference problem of antenna structure high-frequency signal when activating.
Comprehensive the above, Trackpad of the present utility model is under the driving design of bilateral cabling, each peripheral wiring is become a closed loop with corresponding electrode design, make the Trackpad that uses bilateral cabling still can arrange in pairs or groups singly to go out the design of pin and reach the complexity of simplifying associated splice technique and the effect that reduces production costs.In addition, also utilize between peripheral wiring and ground wire is set to improve the signal interference phenomenon between different peripheral wirings.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (17)
1. a Trackpad, is characterized in that, has a peripheral region, and this Trackpad comprises:
One first substrate;
Many the first axial electrode, be arranged in this first substrate and along a first direction and extend;
Many the first peripheral wirings, be arranged in this peripheral region, and respectively this first peripheral wiring is to be electrically connected to this first axial electrode respectively, and respectively this first peripheral wiring is to extend to a bonding pad that is arranged in this peripheral region;
Many the second axial electrode, be arranged in this first substrate and along a second direction and extend;
Many the second peripheral wirings, be arranged in this peripheral region, and respectively this second peripheral wiring is to be electrically connected to this second axial electrode respectively, and respectively this second peripheral wiring is to extend to this bonding pad that is arranged in this peripheral region;
One first ground wire, be arranged between those first peripheral wirings and those the second peripheral wirings; And an external module, being arranged on this peripheral region, this external module is to be electrically connected to those first peripheral wirings, those second peripheral wirings and this first ground wire in this bonding pad.
2. Trackpad according to claim 1, it is characterized in that, also comprise that one second ground wire is arranged in this first substrate, this second ground wire is around this first axial electrode respectively, respectively this first peripheral wiring, respectively this second axial electrode and this second peripheral wiring respectively.
3. Trackpad according to claim 1, is characterized in that, also comprises that one the 3rd ground wire is arranged between those first peripheral wirings and those the second axial electrode.
4. Trackpad according to claim 1, it is characterized in that, this first ground wire is to extend to this bonding pad, and this first ground wire has at least one discontinuous section in this bonding pad, this external module is electrically connected to the two ends of this discontinuous section of this first ground wire in this bonding pad, use so that the two ends of this discontinuous section of this first ground wire are electrically connected to via this external module.
5. Trackpad according to claim 1, it is characterized in that, also comprise at least one collets, wherein those first axial electrode and those the second axial electrode are arranged on the same surface of this first substrate, respectively this first axial electrode comprises a plurality of the first sensing pads and at least one the first connecting line, this first connecting line is to be electrically connected to two those adjacent first sensing pads, respectively this second axial electrode comprises a plurality of the second sensing pads and at least one the second connecting line, this second connecting line is to be electrically connected to two those adjacent second sensing pads, and these collets are arranged between this first connecting line and corresponding this second connecting line, isolate those first axial electrode and those the second axial electrode in order to electricity.
6. Trackpad according to claim 5, is characterized in that, this first connecting line and this second connecting line a kind of metal wire that comprises at least wherein.
7. Trackpad according to claim 4, is characterized in that, the length of this discontinuous section is to be less than or equal to 5 millimeters.
8. Trackpad according to claim 4, it is characterized in that, this first ground wire comprises that a contact pad is arranged in this bonding pad, this contact pad connects the two ends of this discontinuous section of this first ground wire, with so that the two ends of this discontinuous section of this first ground wire are electrically connected to via this contact pad, and this external module is to be electrically connected to respectively this contact pad.
9. Trackpad according to claim 1, is characterized in that, also comprises a decorative layer, is arranged at least one side of this peripheral region.
10. Trackpad according to claim 1, it is characterized in that, respectively the two ends of this first peripheral wiring are that the two ends of corresponding with one respectively this first axial electrode are connected, connecting respectively those first peripheral wirings at these the first axial electrode two ends is to extend in this bonding pad, and this external module is to be electrically connected to those first peripheral wirings, and respectively this first peripheral wiring is to form a closed loop with this corresponding first axial electrode and this external module of being positioned at this bonding pad in this first substrate.
11. Trackpad according to claim 2, it is characterized in that, also comprise that a sensing unit is arranged on this peripheral region, wherein this sensing unit comprises that at least one inductive component and an induction cabling are electrically connected to this inductive component, this induction cabling is to extend in this bonding pad, and this external module is electrically connected to this induction cabling in this bonding pad.
12. Trackpad according to claim 11, is characterized in that, this inductive component comprises and closely connects induction line or close range wireless communication assembly.
13. Trackpad according to claim 11, it is characterized in that, also comprise an antenna structure, wherein this second ground wire is arranged between this antenna structure and this first peripheral wiring, and this second ground wire is arranged between this antenna structure and this induction cabling.
14. a Trackpad, is characterized in that, has a peripheral region, this Trackpad comprises:
One first substrate;
Many the first axial electrode, be arranged in this first substrate and along a first direction and extend;
Many the first peripheral wirings, be arranged in this peripheral region, and respectively this first peripheral wiring is to be electrically connected to this first axial electrode respectively, and respectively this first peripheral wiring is to extend to a bonding pad that is arranged in this peripheral region;
Many the second axial electrode, be arranged in this first substrate and along a second direction and extend;
Many the second peripheral wirings, be arranged in this peripheral region, and respectively this second peripheral wiring is to be electrically connected to this second axial electrode respectively, and respectively this second peripheral wiring is to extend to this bonding pad that is arranged in this peripheral region;
One the 3rd ground wire, be arranged between those first peripheral wirings and those the second axial electrode; And an external module, being arranged on this peripheral region, this external module is to be electrically connected to those first peripheral wirings, those second peripheral wirings and the 3rd ground wire in this bonding pad.
15. Trackpad according to claim 14, it is characterized in that, also comprise that a sensing unit is arranged on this peripheral region, wherein this sensing unit comprises that at least one inductive component and an induction cabling are electrically connected to this inductive component, this induction cabling is to extend in this bonding pad, and this external module is electrically connected to this induction cabling in this bonding pad.
16. Trackpad according to claim 15, is characterized in that, this inductive component comprises and closely connects induction line or close range wireless communication assembly.
17. Trackpad according to claim 15, is characterized in that, the 3rd ground wire is arranged between this induction cabling and those the second axial electrode.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101150464 | 2012-12-27 | ||
| TW101150464 | 2012-12-27 | ||
| TW102204368 | 2013-03-08 | ||
| TW102204368U TWM461834U (en) | 2012-12-27 | 2013-03-08 | Touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203299776U true CN203299776U (en) | 2013-11-20 |
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ID=49575774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203119117U Expired - Fee Related CN203299776U (en) | 2012-12-27 | 2013-05-31 | Touch control panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203299776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699291A (en) * | 2013-12-06 | 2015-06-10 | 胜华科技股份有限公司 | Touch panel and antenna signal control method thereof |
-
2013
- 2013-05-31 CN CN2013203119117U patent/CN203299776U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699291A (en) * | 2013-12-06 | 2015-06-10 | 胜华科技股份有限公司 | Touch panel and antenna signal control method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20210531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |