CN104701053B - The circuit supporting structure of input equipment and input equipment - Google Patents

The circuit supporting structure of input equipment and input equipment Download PDF

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Publication number
CN104701053B
CN104701053B CN201510086549.1A CN201510086549A CN104701053B CN 104701053 B CN104701053 B CN 104701053B CN 201510086549 A CN201510086549 A CN 201510086549A CN 104701053 B CN104701053 B CN 104701053B
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China
Prior art keywords
layer
path
contact portion
input equipment
circuit
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CN201510086549.1A
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Chinese (zh)
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CN104701053A (en
Inventor
陈湘凤
吴健民
赵张凯
陈飞雅
王治安
高黄晓
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Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
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Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
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Priority to CN201510086549.1A priority Critical patent/CN104701053B/en
Publication of CN104701053A publication Critical patent/CN104701053A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/704—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
    • H01H13/85—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback characterised by tactile feedback features

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  • Push-Button Switches (AREA)

Abstract

The present invention provides a kind of input equipment and input equipment circuit supporting structure, and circuit supporting structure comprises supporting layer, first path layer and second path layer with least one holding part；First path stacking is placed on supporting layer and has the first power path, and the first power path comprises at least one first contact portion；Second path layer has second circuit footpath, and second circuit footpath comprises at least one second contact portion；Second path layer is stacked and placed on first path layer and exposes at least one first contact portion and at least one second contact portion, first path layer and the second path layer are collectively forming at least one accommodation space with least one holding part, to provide the oscillation space of at least one piezo-activator, and the first contact portion and the second contact portion are respectively used to be electrically connected with piezo-activator.The stepped construction of the input equipment of the present invention has the characteristic of slimming and can provide pressing feedback prompting for user, increased the manufacturability of circuit supporting structure (layer) simultaneously.

Description

The circuit supporting structure of input equipment and input equipment
Technical field
Present invention relates generally to a kind of circuit supporting structure, specifically, the present invention is with regard to a kind of input equipment and its use In the circuit supporting structure supporting piezo-activator.
Background technology
Slimming with electronic installation requires increasingly to increase, and applicable press-key structure highly significant reduces.Therefore, known The larger mechanical key structure of pressing stroke has been gradually little Stroke Key or touching formula button is replaced.However, with row Journey reduce or using the input of touching formula, user is generally difficult to experience pressing feedback, lead to user cannot confirm to press Whether operation completes, and causes operational puzzlement.
Existing at present generation with electromagnetic shaker is shaken to provide the design of user pressing feedback, but this design was typically both Some press-key structures add electromagnetic shaker, or electromagnetic shaker has complicated circuit and supported design with the integration of press-key structure, no Beneficial to slimming.Furthermore, the screen keyboard of running gear, such as panel computer or Smartphone, although when finger is touched Vibrations feedback can be provided, point out user to complete pressing operation.However, such provide vibrations feedback device typically make whole Individual device shakes together, or so that certain face of device is shaken it is impossible to provide the independent feedback with local, is unfavorable for operation really Recognize.
Furthermore, reducing of plant bulk becomes the current trend designing, causes the usable area of circuit layout also corresponding Reduce so that the probability of short circuit hurriedly increases.Therefore, how to reach optimized circuit cloth in limited available layouts area Office is one of the main themes of circuit supporting structure design.
Content of the invention
An object of the present invention is to provide the circuit supporting structure of a kind of input equipment and input equipment, and it integrates electricity Path in supporting construction, also to provide, while providing and support piezo-activator to shake space, the circuit driving piezo-activator Footpath.The circuit supporting structure of the input equipment of the present invention has multiple field membrane structure, increases elasticity and the knot of power path layout The manufacturability of structure.
In an embodiment, the circuit supporting structure of the input equipment of the present invention is used for supporting at least one piezo-activator, its Middle circuit supporting structure comprises：Supporting layer, first path layer and the second path layer.Supporting layer has at least one holding part, and first Path layer is stacked and placed on supporting layer and has the first power path, and the wherein first power path comprises at least one first contact portion.Second Path layer has second circuit footpath, and wherein second circuit footpath comprises at least one second contact portion.Second path layer is stacked and placed on first On path layer and expose at least one first contact portion and at least one second contact portion.First path layer and the second path layer with extremely A few holding part is collectively forming at least one accommodation space, to provide the oscillation space of at least one piezo-activator, and the first contact Portion and the second contact portion are respectively used to be electrically connected with piezo-activator.
In an embodiment, the circuit supporting structure of input equipment also comprises protective layer, and wherein protective layer is arranged at the second tunnel To cover exposed second circuit footpath and the first electricity in addition at least one first contact portion and at least one second contact portion on the layer of footpath Path.
In an embodiment, at least one holding part is opening or the groove being formed at supporting layer.
In an embodiment, first path layer has at least one first opening and at least one tongue, and wherein at least one first is opened Corresponding at least one holding part of mouth, tongue is from the side of the first opening towards the central projection of the first opening, and the setting of the first contact portion In tongue.
In an embodiment, the second path layer has at least one second opening and at least one extension, wherein at least one second Corresponding at least one first opening of opening and at least one holding part are to be collectively forming at least one accommodation space.Extension is from the second opening Side towards the second opening central projection, and extension cover tongue a part to expose the first contact portion.
In an embodiment, the circuit supporting structure of input equipment also comprises sealing coat, and wherein sealing coat is arranged at the first via To electrically insulate the first power path and second circuit footpath between footpath layer and the second path layer.Sealing coat have at least one the 3rd opening and At least one shielding portion, wherein at least 1 the 3rd opening corresponds at least one holding part, and shielding portion is arranged at the side of the 3rd opening, with A part for masking tongue simultaneously exposes the first contact portion.
In an embodiment, the second path layer has at least one second opening, wherein at least one second opening corresponding at least Holding part is to expose shielding portion.
In an embodiment, at least one piezo-activator is a plurality of piezo-activators, and at least one first contact portion is multiple First contact portion and multiple first contact portion is grouped into first group of first contact portion and second group of first contact portion.First path layer Comprise first path first layer and first path second layer, wherein first path first layer has the first power path first, first path second layer There is the first power path second, the first power path first comprises first group of first contact portion, the first power path second comprises second group first Contact portion.First path first layer and first path second layer stackup be configured so that first group of first contact portion and second group first connect Point portion is crisscross arranged in the orientation of a plurality of piezo-activators.
In an embodiment, at least one piezo-activator is a plurality of piezo-activators, and at least one accommodation space is a plurality of Accommodation space, at least one first contact portion is a plurality of first contact portion, and at least one second contact portion is a plurality of second contacts Portion.A plurality of first contact portion and a plurality of second contact portion be correspondingly arranged in respectively the inner side of a plurality of holding parts and outside with Constitute plurality of circuits support unit, plurality of circuits support unit is respectively in order to support a plurality of piezo-activators.
In an embodiment, the circuit supporting structure of input equipment also comprises a plurality of cutting grooves, and this plurality of cutting groove passes through Wear supporting layer, first path layer and the second path layer, with individualized plurality of circuits support unit so that adjacent circuit supporting Unit is not directly corresponding to be connected, to reduce the gearing between plurality of circuits support unit.
In an embodiment, a plurality of cutting grooves are respectively around plurality of circuits support unit so that plurality of circuits supports Unit is respectively connected with each other by least one connecting portion, and at least one connecting portion of adjacent circuit supporting unit staggers setting.
In an embodiment, a plurality of cutting grooves are at least one open annular cutting groove, and wherein open annular cutting groove is square Shape ring or circular rings.
In an embodiment, a plurality of cutting grooves are located at the surrounding of plurality of circuits support unit respectively so that adjacent electricity At least one side of road support unit is mutually not attached to.
In an embodiment, a plurality of cutting grooves are plural bar straight cuts groove, and wherein plural bar straight cuts groove is at least One end does not mutually connect.
In another embodiment, the present invention provides a kind of circuit supporting structure of input equipment, for supporting at least one piezoelectricity Actuator, wherein circuit supporting structure comprise supporting layer and power path layer.Supporting layer has at least one holding part.Power path is laminated It is placed in form at least one accommodation space with holding part on supporting layer, to provide the oscillation space of at least one piezo-activator.Electricity Path layer has the first power path and second circuit footpath, and the wherein first power path comprises at least one first contact portion, second circuit Footpath comprises at least one second contact portion, and the first contact portion and the second contact portion are respectively used to be electrically connected with piezo-activator.
In an embodiment, power path layer has at least one opening and at least one tongue, the corresponding holding part of its split shed with Holding part is collectively forming accommodation space, and tongue is from the side of opening towards the central projection of opening, and the first contact portion is arranged at tongue Portion.
In an embodiment, the circuit supporting structure of input equipment further includes protective layer, and wherein protective layer is arranged at power path To cover exposed second circuit footpath in addition to the first contact portion and the second contact portion and the first power path on layer.
In another embodiment, the present invention provides a kind of input equipment, and it comprises at least one piezo-activator, above-mentioned circuit Supporting construction and inductive layer, wherein circuit supporting structure are in order to support at least one piezo-activator.Inductive layer has at least one Sensing unit, and at least one sensing unit corresponds at least one piezo-activator.When applying pressing force in piezo-activator, piezoelectricity Actuator transmission pressing force, to circuit supporting structure, produces trigger to trigger corresponding sensing unit, and then according to triggering Signal drives piezo-activator to produce vibrations.
In an embodiment, input equipment further includes basal layer, and wherein basal layer is arranged at below inductive layer, to promote input The structural strength of device.
In an embodiment, input equipment also comprises clad, and wherein clad is covered on piezo-activator, and clad There is character or pattern using as key cap layer；Or, piezo-activator, circuit supporting structure, inductive layer and basal layer quilt completely It is coated in clad.
Compared with prior art, the press-key structure of the present invention and input equipment reach the spy of slimming by stepped construction Property, provide pressing feedback as user operation indicating by piezo-activator simultaneously；On the other hand, the press-key structure of the present invention And input equipment not only increases the manufacturability of circuit supporting structure (layer), also can effectively prevent short circuit generation.
Brief description
Figure 1A and Figure 1B is respectively the exploded view of press-key structure and the parting face schematic diagram of one embodiment of the invention；
Fig. 1 C is that cardon is made in the pressing of the press-key structure of Figure 1B；
Fig. 1 D is the generalized section of the press-key structure of another embodiment of the present invention；
Fig. 2 is the exploded view of the circuit supporting structure of Figure 1A；
Fig. 3 A and Fig. 3 B is respectively the exploded view of circuit supporting structure and the axonometric chart of another embodiment of the present invention；
Fig. 3 C and Fig. 3 D is respectively the exploded view of circuit supporting structure and the axonometric chart of further embodiment of this invention；
Fig. 4 A is the exploded view of the input equipment of one embodiment of the invention；
Fig. 4 B to Fig. 4 E be respectively the supporting layer of circuit supporting structure sheaf of Fig. 4 A, first path layer, the second path layer and The floor map of protective layer；
Fig. 4 F to Fig. 4 G is respectively the perspective view of circuit supporting structure sheaf and the plane graph of Fig. 4 A；
Fig. 5 A to Fig. 5 E is respectively the supporting layer of circuit supporting structure sheaf of another embodiment of the present invention, first path first Layer, the floor map of first path second layer, the second path layer and protective layer；
Fig. 6 is the schematic diagram of the piezo-activator combination of one embodiment of the invention；
Fig. 7 A to Fig. 7 C is respectively the supporting layer of circuit supporting structure sheaf, power path layer and the guarantor of further embodiment of this invention The floor map of sheath；
Fig. 7 D is the combination view of the circuit supporting structure sheaf of Fig. 7 A to Fig. 7 C；
The sensing of avoiding that Fig. 8 A to Fig. 8 F is respectively the present invention judges structure setting by accident in the embodiment schematic diagram of diverse location；
The input equipment of Fig. 9 A to Fig. 9 C respectively present invention has the cutting groove of different aspects in circuit supporting structure sheaf Embodiment schematic diagram；And
The input equipment of Figure 10 A to Figure 10 C respectively present invention has the enforcement of the cutting groove of different aspects in inductive layer Illustrate and be intended to.
Specific embodiment
For making to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperation embodiment is detailed It is described as follows.
The present invention provide a kind of have vibrations feedback function press-key structure and have this press-key structure input equipment and Its circuit supporting structure.Specifically, the input equipment of the present invention can be any input equipment with press-key structure, for example solely Vertical key board unit, it is integrated in input equipment (the such as button of the outfit such as running gear, panel computer or the keyboard of electronic product Deng), but be not limited.In after taking keyboard as a example, describe the press-key structure of the embodiment of the present invention and input in detail with reference to schema The details of device.
As illustrated in figures ia and ib, Figure 1A and Figure 1B is respectively the exploded view of press-key structure of one embodiment of the invention and cuts open Schematic cross-section.In an embodiment, the press-key structure 100 of the present invention comprises piezo-activator 110, circuit supporting structure 120, sense Answer unit 130 and control circuit 160 (see Figure 1B), wherein piezo-activator 110 is stacked and placed in circuit supporting structure 120, sensing Unit 130 is arranged at below circuit supporting structure 120, and control circuit 160 couples sensing unit 130 and piezo-activator 110. Specifically, circuit supporting structure 120 in order to support piezo-activator 110 and provide drive piezo-activator 110 power path, Make control circuit 160 can electrically connect piezo-activator 110 by circuit supporting structure 120.Sensing unit 130 is switching regulator sense Answer unit, when sensing unit 130 is pressed triggering, exportable trigger T of sensing unit 130, and then make control circuit 160 Produce the induced signal that (1) user inputs character or instruction, and (2) produce the driving letter driving piezo-activator 110 vibrations Number D (as described later in detail).Circuit supporting structure 120 has accommodation space 120a, the first contact portion 120b and the second contact portion 120c, Wherein first contact portion 120b and the second contact portion 120c electrically isolate.Piezo-activator 110 has driven part 114 and piezoelectricity Portion 112, wherein piezoelectric part 112 are arranged in accommodation space 120a and for electrical connection the first contact portion 120b, and driven part 114 is subject to Circuit supporting structure 120 is supported, and for electrical connection the second contact portion 120c.Sensing unit 130 exportable triggering when being triggered Signal T, and control circuit 160, after receiving trigger T, understands output drive signal D to piezo-activator 110, with driving pressure Electric actuator 110 shakes (related description being specified in Fig. 1 C).
Additionally, as illustrated in figures ia and ib, press-key structure 100 can comprise basal layer 140, clad 150 further.Yu Yi Embodiment, basal layer 140 is arranged at below sensing unit 130, to promote the overall construction intensity of press-key structure 100.In other words, Basal layer 140 is preferably the larger material (such as sheet metal, rigid plastics or polymeric layer) of relative stiffness, to maintain button The intensity of structure 100 and be unlikely to bending damage.Basal layer 140 can be according to the structural strength selectivity of circuit supporting structure 120 Setting.In other words, when the structural strength of circuit supporting structure 120 be enough to support press-key structure 100 to be unlikely to bending damage, then Basal layer 140 need not be set.In an embodiment, as shown in Figure 1B, clad 150 is covered on piezo-activator 110, wherein wraps Coating 150 has character or pattern 150a (see Figure 1A) using the key cap layer as press-key structure 100.Character or pattern 150a can mats Clad 150 is formed at by modes such as printing, impressing, stickups, but is not limited.In another embodiment, as shown in figure ip, figure 1D is the parting face schematic diagram of the press-key structure of another embodiment of the present invention, and clad 150 ' is designed such as piezo-activator 110th, circuit supporting structure 120, sensing unit 130 and basal layer 140 (or even together with control circuit 160) are coated on completely In clad 150 '.In other words, clad can be used as the key cap layer of press-key structure 100, may be used to simultaneously protection structure by The other elements (such as piezo-activator, circuit supporting structure, sensing unit, basal layer and control circuit) of bond structure.Cladding Layer 150,150 ' preferably flexible material (such as silicagel pad), to increase the comfort of user pressing keys structure 100.Yu Yi Embodiment (not shown), when clad 150 is only covered on piezo-activator 110 as key cap layer, press-key structure 100 is optional Selecting property has each element (such as piezo-activator 110, circuit supporting structure 120, sensing unit 130, basal layer 140, cladding Layer 150, control circuit 160) housing integrated supplies user so that each element is arranged in housing and exposes clad 150 Operation.Additionally, above-mentioned housing also can be combined with basal layer 140 so that the bottom of housing is as basal layer.
Furthermore, control circuit 160 can be arranged at any suitable position according to practical application request, for example, be also coated on In clad 150 ', or it is arranged at outside clad 150.For example, control circuit 160 may be disposed on basal layer 140, wraps Under coating 150,150 ' or in clad 150,150 ', but it is not limited.Piezo-activator 110 can be solid by adhesion system In circuit supporting structure 120 and/or clad 150,150 ', or clad can be located in by clad 150,150 ' 150th, between 150 ' and circuit supporting structure 120, but it is not limited.In this embodiment, piezo-activator 110 is preferably partly solid Due to circuit supporting structure 120 in accommodation space 120a side so that piezo-activator 110 relatively setting between holding element In the case of seated position, still possess considerable degree of cantilever spring.Furthermore, each element (such as clad of press-key structure 100 150th, piezo-activator 110, circuit supporting structure 120, sensing unit 130, basal layer 140 etc.) between also can be by adhesion side Formula is fixed, to position each interelement relative position.In the rear thin portion structure that each element is described in detail in detail and interaction.
In an embodiment, as illustrated in figures ia and ib, piezo-activator 110 is film type piezo-activator, its comprise by Drive division 114 and piezoelectric part 112.Driven part 114 can be conductive film/sheet form, and piezoelectric part 112 is by piezoelectric shape Become and be arranged in driven part 114.In this embodiment, driven part 114 is preferably conductive metal layer, such as but not limited to copper Piece.In other embodiment, driven part 114 can be conductive non-metals layer.In this embodiment, piezoelectric part 112 can be piezoelectric ceramics Material layer and be arranged at the side of driven part 114 and form unilateral piezo-activator, but be not limited.According to actual demand, in Other embodiment, piezoelectric part 112 may be disposed at the both sides of driven part 114 and forms bilateral piezo-activator.As shown in Figure 1B, When piezo-activator 110 is stacked and placed in circuit supporting structure 120, peripheral part of driven part 114 is stacked and placed on circuit supporting In structure 120, and supported to electrically connect the second contact portion 120c by circuit supporting structure 120, and be located under driven part 114 The piezoelectric part 112 of face center part is towards accommodation space 120a projection, and essence is vacantly arranged at circuit supporting structure 120 To electrically connect the first contact portion 120b in accommodation space 120a.
Circuit supporting structure 120 can for having the rectangle of accommodation space 120a, circular or any suitable shape circuit props up Support structure.In this embodiment, accommodation space 120a can be groove or the opening being formed at circuit supporting structure 120, and accommodating sky Between the shape of 120a, size preferably with accommodating piezoelectric part 112 as design consideration.First contact 120b and the second contact 120c is respectively For two contacts electrically isolating are transmitted on the power path of drive signal.In other words, the first contact 120b is electrical connection piezoelectric part The contact of 112 the first power path (such as piezoelectricity path), and the second contact 120c is the second electricity of electrical connection driven part 114 The contact in path (for example being driven path).In this embodiment, as shown in Figure 1A, circuit supporting structure 120 preferably has prominent Portion 120d, wherein protuberance 120d form cantilever design from the side of accommodation space 120a towards accommodation space 120a central authorities are prominent, Make the protuberance 120d can the up/down displacement in accommodation space 120a with respect to circuit supporting structure 120 body.First contact portion 120b is arranged on protuberance 120d (being preferably located at protuberance 120d end) so that the first contact portion 120b stretches into accommodation space 120a.Second contact portion 120c may be disposed in the circuit supporting structure 120 around accommodation space 120a.In this embodiment, quilt The part that drive division 114 is not covered by piezoelectric part 112 supports by circuit supporting structure 120 and connects in order to electrically connect second simultaneously Point portion 120c, and piezoelectric part 112 is down in the face of accommodation space 120a electrically connect the first contact portion stretching into accommodation space 120a 120b.By the available elastic displacement characteristic of cantilevered protuberance 120d, when piezo-activator 110 shakes, protuberance 120d and the first contact portion 120b arranging thereon can shake in accommodation space 120a with piezo-activator 110, increase knot Structure elasticity.
As shown in Figure 1 C, cardon is made in the pressing of the press-key structure for Figure 1B for Fig. 1 C, when extraneous applying pressing force F, pressing Power F passes through piezo-activator 110, circuit supporting structure 120 going down triggers sensing unit 130 so that sensing unit 130 Output trigger T is to control circuit 160.Control circuit 160 receives trigger T and exportable drive signal D causes to piezoelectricity Dynamic device 110 so drive piezo-activator 110 shake.That is, (for example press when user pressing keys structure 100 When clad 150,150 '), it is pressed down against triggering sensing unit 130 by the architectural characteristic of circuit supporting structure 120 and send Trigger T, trigger T mono- aspect as operation press-key structure 100 to input the induced signal of corresponding character or instruction, Simultaneously also as produce drive signal D indication signal so that control circuit 160 receive trigger T and send drive signal D.When piezo-activator 110 via circuit supporting structure 120 power path (for example in after the first power path of narration and the second electricity Path) receive from the drive signal D of control circuit 160 when, piezo-activator 110 can produce shake in accommodation space 120a Dynamic, to provide user to confirm the vibrations feedback of pressing.
In this embodiment, as shown in Fig. 2 Fig. 2 is the exploded view of the circuit supporting structure of Figure 1A, circuit supporting structure 120 Can be multiple structure, it comprises supporting layer 122, first path layer 124 and the second path layer 126, wherein supporting layer 122, One path layer 124 and the second path layer 126 are preferably fixed with adhesion system, support knot to be integrated into modularity multi-layered circuits Structure.Specifically, supporting layer 122 has holding part 122a, to provide piezo-activator 110 to support and to shake space.Supporting layer 122 preferably have relatively large rigidity and have default thickness, with limit piezo-activator 110 depressed when deformation So that piezo-activator 110 is unlikely to, by huge external force, excessive deformation damages the limit.In other words, piezo-activator 110 is relative In the deflection of circuit supporting structure 120 vibrations, preferably by rigidity and the thickness (or depth of holding part 122a) of supporting layer 122 To control.Here it may be noted that when supporting layer 122 structural strength be enough to support press-key structure not bend damage because of pressing when, Supporting layer 122 can provide simultaneously basal layer 140 effect and so that press-key structure do not need arrange basal layer 140.First path Layer 124 is stacked and placed on supporting layer 122, and the second path layer 126 is stacked and placed on first path layer 124, to provide electrical connection piezoelectricity The power path of actuator 110.In this embodiment, the power path of circuit supporting structure 120 is designed as the path layer of two-layer, and wherein One path layer 124 has the first power path 124c, and the second path layer 126 has second circuit footpath 126b.First path layer 124 is relatively The good pliability thin film path layer for the first power path 124c is formed with insulating barrier, the second path layer 126 preferably insulating barrier On be formed with the pliability thin film path layer of second circuit footpath 126b.First power path 124c connects the power path of piezoelectric part 112, It comprises the first contact portion 120b, and second circuit footpath 126b connects the power path of driven part 114, and it comprises the second contact portion 120c.
Specifically, the holding part 122a of supporting layer 122 can be opening or the groove being formed at supporting layer 122.The first via Footpath layer 124 has the first opening 124a and tongue 124b, the holding part 122a of the corresponding supporting layer 122 of the wherein first opening 124a. Tongue 124b forms cantilever design from the side of the first opening 124a towards first opening 124a central authorities' projection, and tongue 124b makees Floor portions for above-mentioned protuberance 120d.First power path 124c extend to tongue 124b with formed the first contact portion 120b in The end of tongue 124b.Correspondingly, the second path layer 126 has the second opening 126a, the wherein second opening 126a corresponding first Opening 124a and holding part 122a.Second opening 126a, the first opening 124a and holding part 122a preferred size, shape essence phase With, but be not limited.Second path layer 126 preferably also has extension 126c, and wherein extension 126c is from the second opening The side of 126a is towards second opening 126a central authorities' projection, and extension 126c covers a part of tongue 124b to expose first Contact portion 120b.That is, the development length of extension 126c is less than the development length of tongue 124b, is arranged at tongue to expose First contact portion 120b of 124b end.In this embodiment, extension 126c is as the top section of above-mentioned protuberance 120d.
With reference to Figure 1A and Fig. 2, when supporting layer 122, first path layer 124 and the second path layer 126 are from bottom to top sequentially folded When putting, holding part 122a, the first opening 124a and the second opening 126a are mutually aligned connection to be collectively forming accommodation space 120a, And second path layer 126 when being stacked and placed on first path layer 124, the second path layer 126 preferably covers and removes the first contact portion 120b The first outer power path 124c, and expose the first contact portion 120b and the second contact portion 120c, to be electrically connected piezoelectricity cause The piezoelectric part 112 of dynamic device 110 and driven part 114.That is, supporting layer 122, first path layer 124 and the second path layer 126 are relatively Good have substantially identical external form so that each layer main body is superimposed with each other, and the extension 126c of the second path layer 126 is superimposed on The tongue 124b of one path layer 124.In this embodiment, the thin dielectric film by the second path layer 126 covers first path layer 124 the first power path 124c, can effectively electrically isolate second circuit footpath 126b and the first power path 124c so that power path divides Cloth is preferably configured.
Here is it may be noted that circuit supporting structure can have different embodiment party according to the requirement of power path design and support strength Formula.As shown in Fig. 3 A and Fig. 3 B, Fig. 3 A and Fig. 3 B be respectively another embodiment of the present invention the exploded view of circuit supporting structure and Axonometric chart, in another embodiment, circuit supporting structure 120 ' removes above-mentioned supporting layer 122, first path layer 124, the second path Layer 126 ', also comprises sealing coat 128, wherein sealing coat 128 be arranged between first path layer 124 and the second path layer 126 ' with Electrically insulate the first power path 124c and second circuit footpath 126b.In this embodiment, coordinate the setting of sealing coat 128, the second path Layer 126 ' can have different forms, and the wherein second path layer 126 ' has the second opening 126a ', and the second opening 126a ' is right Answer holding part 122a.Sealing coat 128 has the 3rd opening 128a and shielding portion 128b, and the wherein the 3rd opening 128a corresponding first opens Mouth 124a, the second opening 126a ' and holding part 122a.Shielding portion 128b is arranged at the side of the 3rd opening 128a, to cover tongue A part of portion 124b simultaneously exposes the first contact portion 120b.In this embodiment, shielding portion 128b is as above-mentioned protuberance 120d Top section.When supporting layer 122, first path layer 124, sealing coat 128 and the second path layer 126 ' are from bottom to top sequentially folded When putting, holding part 122a, the first opening 124a, the 3rd opening 128a and the second opening 126a ' are mutually aligned connection with common shape Become accommodation space 120a, when wherein sealing coat 128 is stacked and placed on first path layer 124, shielding portion 128b is superimposed on tongue 124b And the first power path 124c in addition to the first contact portion 120b for the preferable essence masking of sealing coat 128.In this embodiment, by every The setting of absciss layer 128, not only can reach the first power path 124c and the electric isolution of second circuit footpath 126b, more can increase further The structural strength of circuit supporting structure 120 ', in order to avoid piezo-activator 110 excessive deformation damages.
Here is it may be noted that in the embodiment of Fig. 3 A and Fig. 3 B, the second path layer 126 ' selects to be not provided with above-mentioned extension Portion 126c, and when the second path layer 126 ' is stacked and placed on sealing coat 128, the second path layer 126 ' preferably exposes shielding portion 128b, the first contact portion 120b and the second contact portion 120c, to keep the elasticity of protuberance 120d.However, in other embodiment, Circuit supporting structure can be by the shielding portion 128b of the sealing coat 128 of the extension 126c and Fig. 3 B of second path layer 126 of Fig. 2 At least one, carry out the first power path 124c on shaded portions tongue 124b and expose the first of tongue 124b end Contact portion 120b.When carrying out shaded portions tongue 124b using extension 126c and shielding portion 128b simultaneously, shielding portion 128b is The mid layer section of protuberance 120d, and extension 126c is the top section of protuberance 120d.
Furthermore, when circuit supporting structure is enough big or when power path is simpler as the area of power path, can be by above-mentioned the One power path 124c and second circuit footpath 126b is integrated in same power path layer, to reduce the power path number of plies and then to save into This.In another embodiment, as shown in Fig. 3 C and Fig. 3 D, Fig. 3 C and Fig. 3 D is respectively the circuit supporting knot of further embodiment of this invention The exploded view of structure and axonometric chart, circuit supporting structure 120 " comprise above-mentioned supporting layer 122 and power path layer 124 ', wherein circuit Footpath layer 124 ' is stacked and placed on to form accommodation space 120a with holding part 122a on supporting layer 122, and power path layer 124 ' has simultaneously There is the first power path 124c and second circuit footpath 126b.Similarly, the first power path 124c comprises the first contact portion 120b, and the Two power path 126b comprise the second contact portion 120c.Specifically, power path layer 124 ' has the first opening 124a and tongue 124b, the wherein first opening 124a corresponds to holding part 122a, and tongue 124b is from the side of the first opening 124a towards the first opening 124a central authorities' projection forms cantilever design, and the first contact portion 120b is arranged at tongue 124b.In this embodiment, the first power path 124c extends to tongue 124b from the side of power path layer 124 ' and forms the first contact portion 120b in its end.Second circuit footpath 126b is arranged at the opposite side (for example adjacent side) of power path layer 124 ', to reach the first circuit while simplifying the power path number of plies Footpath 124c and second circuit footpath 126b electrically isolates, and not appreciable impact piezo-activator 110 and circuit supporting structure 120 " Vibrations elasticity during electrical connection.
Additionally, circuit supporting structure 120 " also comprising protective layer 129, wherein protective layer 129 is arranged at power path layer 124 ' On to cover second circuit footpath 126b exposed in addition to the first contact portion 120b and the second contact portion 120c and the first power path 124c.In this embodiment, protective layer 129 is insulating barrier, and has the 4th opening 129a and shielding portion 129b, its split shed 129a Corresponding holding part 122a and the first opening 124a, shielding portion 129b be arranged at the 4th opening 129a side and from this lateral 4th Opening 129b central authorities extend.When supporting layer 122, power path layer 124 ' and protective layer 129 are from bottom to top sequentially stacked, holding part 122a, the first opening 124a and the 4th opening 129a are mutually aligned connection to be collectively forming accommodation space 120a, wherein shielding portion 129b is superimposed on tongue 124b, to cover a part of tongue 124b and to expose the first contact portion 120b.Here it may be noted that in This embodiment, the 4th opening 129a of protective layer 129 is more than the first opening 124a of power path layer 124 ' so that protective layer 129 When being stacked and placed on power path layer 124 ', the second contact portion 120c being arranged at the first contact portion 120b sides adjacent can be exposed, but not As limit.In other embodiment (not shown), protective layer 129, in addition to the opening of corresponding holding part 122a, also can have extra Contact window, wherein contact window is arranged at the position of corresponding second contact portion 120c, to expose the second contact portion 120c.This Outward, according to circuit design demand, circuit supporting structure 120,120 ' also can further include similar above-mentioned protective layer 129, with Cover exposed second circuit footpath 126b in addition to the first contact portion 120b and the second contact portion 120c and the first power path 124c.
Furthermore, as shown in Figure 4 A, Fig. 4 A is the exploded view of the input equipment of one embodiment of the invention, in another embodiment, The present invention provides a kind of input equipment 1 of the press-key structure comprising multiple previous embodiment.Here it may be noted that in this embodiment, Input equipment 1 is to comprise 9 press-key structures to illustrate with 3x3 array way spread configuration, but in other embodiment, input dress Put and can comprise more than one press-key structure and configure in any suitable manner, not to be limited shown in embodiment.Furthermore, in this Embodiment, input equipment 1 illustrates taking the press-key structure that Figure 1A and Figure 1B has circuit supporting structure 120 as a example, but not as Limit.That is, the input equipment 1 of the present invention can be by having circuit supporting structure 120,120 ' and/or 120 " multiple press-key structures Formed.Specifically, as shown in Figure 4 A, input equipment 1 comprises a plurality of (such as 9) piezo-activator 110, circuit supporting Structure sheaf 12, inductive layer 13 and control circuit 16.Circuit supporting structure sheaf 12 has plurality of circuits supporting construction 120, sense Layer 13 is answered to comprise a plurality of sensing units 130.In other words, when multiple press-key structures are integrated into input equipment 1 (such as keyboard), The element of each press-key structure can correspond to and be integrated into single part layer, and such as plurality of circuits supporting construction 120 can be integrated in circuit Support structure layers 12 so that each circuit supporting structure 120 can be considered a circuit supporting unit on circuit supporting structure sheaf 12, A plurality of sensing units 130 can be integrated in inductive layer 13, and can control multiple buttons by single control circuit 16, to simplify system Make program and assembly program, but be not limited.
As shown in Figure 4 A, a plurality of piezo-activators 110 are correspondingly arranged in plurality of circuits supporting construction 120 respectively. Inductive layer 13 is arranged at circuit supporting structure sheaf 12 lower section so that a plurality of sensing unit 130 corresponds to plurality of circuits respectively props up Support structure 120, and each sensing unit 130 can be by independent triggers to produce corresponding trigger.Control circuit 16 is coupled to multiple Several sensing units 130 and a plurality of piezo-activators 110.Specifically, control circuit 16 supports knot by plurality of circuits Structure 120 be electrically connected corresponding piezo-activator 110 so that control circuit 16 receive sensing unit 130 trigger and Exportable drive signal gives corresponding piezo-activator 110, and then drives corresponding piezo-activator 110 to shake.In this Embodiment, a plurality of piezo-activators 110, plurality of circuits supporting construction 120 and a plurality of sensing unit 130 are preferably one-to-one Mutually correspond to constituting similar above-mentioned a plurality of press-key structures 100, and by control circuit 16 independent control multiple by bond Structure, but be not limited.For example, in other embodiment, according to the size of button, quantity and circuit complexity, an electricity Road supporting construction 120 can support more than one piezo-activator 110 (referring to the embodiment of Fig. 5 A to Fig. 5 E), and can be by one Individual above control circuit 16 controls multiple press-key structures.
Furthermore, it is similar to above-mentioned, input equipment 1 also can comprise basal layer 14 and clad 15, and wherein basal layer 14 is arranged at The lower section of inductive layer 13, to promote the structural strength of input equipment 1.Here is it may be noted that basal layer 14 preferably has corresponding sensing The size (i.e. the size of input equipment 1) of layer 13, and there is the property similar to above-mentioned basal layer 140, repeat no more in this.Bag Coating 15 is covered on a plurality of piezo-activators 110, and clad 15 has a plurality of characters or pattern 150a is respectively provided with In a plurality of keycap areas 152, wherein a plurality of keycap areas 152 correspond to plurality of circuits supporting construction 120 respectively so that clad 15 can be used as key cap layer.Here is it may be noted that clad 15 can have similar to clad 150 or 150 " structure and property, example As clad 15 can only be covered on a plurality of piezo-activators 110, or it is designed as a plurality of piezo-activators 110, electricity Road support structure layers 12, inductive layer 13 and basal layer 14 (or even comprising control circuit 16) are coated on clad 15 completely Interior, repeat no more in this.
The embodiment of similar Fig. 2, each circuit supporting structure 120 has accommodation space 120a, the first contact portion 120b and Two point portion 120c, the wherein first contact portion 120b is stretched into accommodation space 120a and is electrically isolated with the second contact portion 120c.Change Yan Zhi, the first contact portion 120b and the second contact portion 120c are located at the inner side of accommodation space 120a and outside respectively so that first , in accommodation space 120a in the drop shadow spread on sensing unit 130, and the second contact portion 120c is in accommodating sky for contact portion 120b Between 120a outside the drop shadow spread on sensing unit 130.Each piezo-activator 110 has driven part 114 and piezoelectric part 112, Wherein piezoelectric part 112 is arranged to correspond to accommodation space 120a and to supply electrical connection the first contact portion 120b in driven part 114, and Driven part 114 is supported by circuit supporting structure 120 and for electrical connection the second contact portion 120c.When the extraneous pressing force that applies is given A plurality of press-key structures one of them when, pressing force passes through piezo-activator 110, circuit supporting structure 120 and going down with Triggering sensing unit 130, makes sensing unit 130 export trigger, and then makes corresponding piezo-activator 110 receive control Circuit 16 output drive signal and shake.Here is it may be noted that the piezo-activator 110 of each press-key structure, circuit supporting Structure 120, the CONSTRUCTED SPECIFICATION of sensing unit 130 and its each other and control circuit 16 between refer to as flowing mode above-mentioned The related description of Figure 1A to Fig. 1 C, repeats no more in this.Below example is emphatically the power path of circuit supporting structure sheaf Configuration and supporting construction details.
As shown in Fig. 4 A and Fig. 4 B to Fig. 4 G, Fig. 4 B to Fig. 4 E be respectively Fig. 4 A the supporting layer of circuit supporting structure sheaf, The floor map of first path layer, the second path layer and protective layer；Fig. 4 F to Fig. 4 G is respectively the circuit supporting structure of Fig. 4 A The perspective view of layer and plane graph.Circuit supporting structure sheaf 12 be multiple structure, its comprise supporting layer 210, first path layer 220 with And second path layer 230.As shown in Figure 4 B, supporting layer 210 has a plurality of (such as 9) holding part 210a corresponding plural number respectively Individual piezo-activator 110.A plurality of holding part 210a are plurality of openings or the groove being formed at supporting layer 220.In an enforcement Example, a plurality of holding part 210a are preferably formed at substantially identical opening on supporting layer 220 or groove, but are not limited. In other embodiment, according to design requirement, a plurality of holding part 210a can be for being formed at identical or different shape on supporting layer 220 Shape, the opening of size or groove (with reference to Fig. 5 A).In this embodiment, the power path of circuit supporting structure sheaf is designed as the road of two-layer Footpath layer (such as first path layer 220 and the second path layer 230), wherein first path layer 220 is stacked and placed on supporting layer 210, and Second path layer 230 is stacked and placed on first path layer 220.As shown in Figure 4 C, first path layer 220 has the first power path 222, And first power path 222 comprise a plurality of first contact portion 120b.As shown in Figure 4 D, the second path layer 230 has second circuit Footpath 232, and second circuit footpath 232 comprises a plurality of second contact portion 120c.First contact portion 120b and the second contact portion 120c Be located at the inner side of holding part 210a and outside respectively so that the first contact portion 120b in holding part 210a on sensing unit 130 Drop shadow spread in, and the second contact portion 120c in holding part 210a outside the drop shadow spread on sensing unit 130.
The embodiment of similar Fig. 2, first path layer 220 has a plurality of first opening 220a and a plurality of tongue 226, its In a plurality of first opening 220a correspond to a plurality of holding part 210a respectively.In other words, the number of a plurality of first opening 220a, Size, position, respectively corresponding a plurality of holding part 210a.A plurality of tongues 226 respectively correspond to a plurality of first opening 220a and The side of self-corresponding first opening 220a is towards first opening 220a central authorities' projection.That is, each first opening 220a preferably has One tongue 226 forms cantilever design from opening lateral margin towards the first opening 220a central authorities are prominent.A plurality of first contact portion 120b It is respectively arranged at a plurality of tongues 226.In other words, as shown in Figure 4 C, the first power path 222 has the circuit of corresponding number of keys Footpath (such as 9), extends to each tongue 226 to form corresponding first contact portion in tongue 226 end with electrically isolating respectively 120b.
As shown in Figure 4 D, the second path layer 230 has a plurality of second opening 230a and a plurality of extension 234, wherein A plurality of second opening 230a correspond to a plurality of first opening 220a and a plurality of holding part 210a respectively.A plurality of extensions The side of 234 corresponding a plurality of second opening 230a self-corresponding second opening 230a is towards second opening 230a central authorities' projection. In this embodiment, as grounding path, therefore second circuit footpath 232 is designed to reticulation circuit footpath so that in second circuit footpath 232 Two power paths 232 are at least distributed in the side of each second opening 230a, to form corresponding second contact portion 120c.
Such as the perspective view of Fig. 4 F and as shown in the top view of Fig. 4 G, when supporting layer 210, first path floor 220 and the second tunnel When footpath layer 230 is from bottom to top sequentially stacked, a plurality of holding part 210a, a plurality of first opening 220a and a plurality of second opening 230a is mutually aligned connection respectively, and corresponding holding part 210a, the first opening 220a and the second opening 230a are collectively forming appearance It is empty a 120a.When second path layer 230 is stacked and placed on first path layer 220, the insulating barrier constituting the second path layer 230 is covered in First power path 222 of first path layer 220, and expose the second circuit footpath 232 being formed on insulating barrier and its a plurality of Second contact portion 120c, wherein each tongue 226 is only covered by corresponding extension 234 part, and exposes a plurality of first contacts Portion 120b.
As shown in Figure 4 E, circuit supporting structure 12 also can comprise protective layer 240, and wherein protective layer 240 is arranged at the second tunnel To cover exposed second circuit in addition to a plurality of first contact portion 120b and a plurality of second contact portion 120c on footpath layer 230 Footpath 232 and the first power path 222 (if not covered by the second path layer 230), avoid the formation of short circuit or because naked with protection circuit footpath Reveal and be damaged.In this embodiment, protective layer 240 has an opening 240a, and opening 240a be designed such as a plurality of (such as 9) circuit supporting structure 120 all exposes from same opening 240a.However, in other embodiment, protective layer can have Plurality of openings, to correspond to plurality of circuits supporting construction 120 respectively, and makes the self-corresponding opening of circuit supporting structure 120 In expose (embodiment referring to Fig. 7 A to Fig. 7 D).Additionally, similar to the circuit supporting structure of Fig. 3 A and Fig. 3 B, circuit supporting Structure sheaf 12 can further include sealing coat, and wherein sealing coat is arranged between first path layer 220 and the second path layer 230, To electrically isolate the first power path 222 and second circuit footpath 232, repeat no more in this.
Additionally, making the first power path layout more complicated when the press-key structure number of input equipment increases, and cannot When being configured at single first path layer, circuit supporting structure sheaf may be designed as the first path layer with multiple-level stack.As Fig. 5 A To shown in Fig. 5 E, Fig. 5 A to Fig. 5 E is respectively the supporting layer of circuit supporting structure sheaf of another embodiment of the present invention, first path First layer, the floor map of first path second layer, the second path layer and protective layer, in an embodiment, power path support structure layers For having the input equipment of 81 press-key structures, and comprise supporting layer 310, first path first layer 320, first path second layer 330th, the second path layer 340 and protective layer 350.Here is it may be noted that supporting layer 310, first path first layer 320, first path The CONSTRUCTED SPECIFICATION of second layer 330, the second path layer 340 and protective layer 350 and effect refer to foregoing circuit support structure layers 12 Each counter element explanation, in after only the present embodiment difference is illustrated.As shown in Figure 5A, supporting layer 310 has A plurality of holding part 310a, wherein according to the size of corresponding press-key structure, a plurality of holding part (such as 310a, 310a ', 310a ") can be of different sizes and different shapes.
Furthermore, in this embodiment, the first path layout layer of circuit supporting structure sheaf is the first path layer of two-layer, for example First path first layer 320 and first path second layer 330, and then make a plurality of first contact portion of plurality of circuits supporting construction It is grouped into first group of first contact portion 324 and second group of first contact portion 334.As shown in Figure 5 B, first path first layer 320 has First power path first 322, the wherein first power path first 322 comprises first group of the first contact portion 324.Specifically, the first via Footpath first layer 320 has a plurality of first openings (such as 320a, 320b), to correspond to a plurality of holding parts of supporting layer 310 respectively 310a, the wherein first opening 320a is the opening being provided with tongue 326, and the second opening 320b is to be not provided with opening of tongue 326 Mouthful.At least one first tongue 326, from the side of the first opening 320a towards first opening 320a central authorities' projection, connects for arranging first Point portion 324.In other words, in this embodiment, first path first layer 320 is preferably only opened in the correspondence being intended to arrange the first contact portion 324 Mouth (such as 320a) arranges the first tongue 326, and is then not provided with remaining opening (such as 320b) being not provided with the first contact portion First tongue.Additionally, according to button size, corresponding to big holding part 310a ' big first opening 320a ' can be provided with a plurality of First tongue 326, for electrically connecting more than one piezo-activator 110.
Similarly, as shown in Figure 5 C, first path second layer 330 has the first power path second 332, the wherein first power path second 332 the first contact portion 334 comprising second group.Specifically, first path second layer 330 have a plurality of second opening 330a, 330b, to correspond to a plurality of first opening 320b, 320a of first path first layer 320 respectively, the wherein second opening 330a is to set Put the opening of the second tongue 336, and the second opening 330b is the opening of setting shielding portion 338.At least one second tongue 336 is from The side of two opening 330a towards second opening 330a central authorities projection, for arranging the first contact portion 334.Furthermore, at least one masking Portion 338 from the side of the second opening 330b towards second opening 330b central authorities projection, for cover first path first layer 320 first A part for tongue 324 is to expose the first contact 324.In other words, the second tongue 336 is arranged at and first path first layer 320 Be not provided with the side of corresponding second opening of the opening (such as 320b) (such as 330a) of tongue, and shielding portion 338 be arranged at First path first layer 320 is provided with corresponding second opening of first opening (such as 320a) (such as 330b) of the first tongue 326 Side.In this embodiment, corresponding first opening 320a, 320b and second opening 330b, 330a preferably has identical shape Shape, size, and the first tongue 326 and the second tongue 336 preferably have identical development length.Corresponding to this, shielding portion 338 Development length is less than the development length of the second tongue 336.Similarly, according to button size, corresponding to big holding part 310a " big Second opening 330a ' can be provided with a plurality of second tongues 336, for electrically connecting more than one piezo-activator 110, and phase The second opening 330b ' of Ying Yu great the first opening 320a ' can be provided with the shielding portion 338 of corresponding number, to cover correspondence respectively A part for the first tongue 326 and so that the first contact portion 324 thereon is exposed.
As shown in Figure 5 D, the second path layer 340 has a plurality of 3rd opening 340a, 340b, a plurality of to correspond to respectively Second opening 330a, 330b, the wherein the 3rd opening 340a is the opening being provided with extension 346, and the 3rd opening 340b is not The opening of setting extension 346.At least one shielding portion 346 is prominent towards the 3rd opening 340a central authorities from the side of the 3rd opening 340a Stretch, for cover first path second layer 330 the second tongue 336 a part to expose the first contact 334.In other words, prolong Extending portion 346 is arranged at the second opening (such as 330a) the corresponding 3rd being provided with the second tongue 336 with first path second layer 330 The side of opening (such as 340a).Second path layer 340 has second circuit footpath 342 using as grounding path, the therefore second electricity Path 342 is designed to reticulation circuit footpath so that second circuit footpath 342 is at least distributed in the side of each 3rd opening 340a, 340b, To form corresponding second contact portion 344.
As shown in fig. 5e, protective layer 350 is stacked and placed on the second path layer 340, removes first group of first contact portion to cover 324th, first group of second contact portion 334 and a plurality of second contact portion 344 power path (such as second circuit footpath exposed in addition 342nd, the first power path second 332, the first power path first 322).Protective layer 350 can be according to the exposed power path being intended to cover/protect It is distributed and there are different shapes, and protective layer 350 can be single pantostrat or separate, by multiple, the combinations that protection sections are formed Layer.
When supporting layer 310, first path first layer 320, first path second layer 330, the second path layer 340 and protective layer 350 when being from bottom to top sequentially stacked, a plurality of holding part 310a, the first opening 320a, 320b, the second opening 330b, 330a, the Three opening 340b, 340a are mutually aligned connection to be collectively forming corresponding accommodation space 120a, and first group of first contact portion 324 And second group of first contact portion 334 is preferably staggered in the orientation of a plurality of press-key structures (or in piezo-activator 110) Setting, so that the first power path first 322 and the first power path second 332 have preferably layout distribution.In other words, with the first via For footpath first layer 320, a plurality of first opening 320a and the preferable interval setting of the first opening 320b, and first path second layer 330 The second opening 330a and the second opening 330b accordingly interval setting, and it is looser that the first complicated power path is had Layout area, increases the manufacturability of circuit supporting structure.Here is it may be noted that first group of first contact portion 324 and second group The configuration mode of one contact portion 334 can change according to actual design.For example, in other embodiment, first group of first contact Portion 324 and second group of first contact portion 334 can be configured to interval and embark on journey or the mode being spaced of interlocking in column, or between each two contact Every staggered mode, but it is not limited.
Additionally, when input equipment there is a fewer keys structure and make circuit supporting structure sheaf power path design relatively easy When, circuit supporting structure sheaf can have the first power path and second circuit footpath is integrated in the power path layer of simple layer.As Fig. 7 A extremely Shown in Fig. 7 D, Fig. 7 A to Fig. 7 C be respectively the supporting layer of circuit supporting structure sheaf of further embodiment of this invention, power path layer and The floor map of protective layer；Fig. 7 D is the combination view of the circuit supporting structure sheaf of Fig. 7 A to Fig. 7 C.Circuit supporting structure Layer 12 ' comprises supporting layer 710, power path layer 720 and protective layer 730.Here it may be noted that supporting layer 710, power path layer 720 and The CONSTRUCTED SPECIFICATION of protective layer 730 and effect refer to foregoing circuit support structure layers 12 each counter element explanation, in after only The present embodiment difference is illustrated.As shown in Figure 7 A, supporting layer 710 has a plurality of (such as 9) holding part 710a. As shown in Figure 7 B, circuit layer 720 is stacked and placed on supporting layer 710, and has the first opening 720a of corresponding number and a plurality of tongue Portion 726.A plurality of first opening 720a correspond to a plurality of holding part 710a, respectively to be collectively forming a plurality of accommodation spaces 120a.The side of a plurality of tongues 726 self-corresponding first opening 720a of difference is towards first opening 720a central authorities' projection.First electricity Path 722 comprises the corresponding tongue 726 that plural bar (such as 9) power path extends respectively in the first opening 720a, with tongue Portion end forms the first contact 120b.Second circuit footpath 728 reticulates as grounding path, therefore second circuit footpath 728 design Power path so that second circuit footpath 728 is at least distributed in the side of each opening 710a, to form corresponding second contact portion 120c.In this embodiment, the preferable concentrated setting of the first power path 722 in the side (such as left side) of power path layer 720, and second Power path 728 stretches between adjacent apertures 710a from the opposite side of power path layer 720 (such as right side) so that the first power path 722 and second circuit footpath 728 electrically isolated from one another.
As seen in figure 7 c, protective layer 730 is arranged on power path layer 720, removes a plurality of first contact portion 120b to cover And exposed second circuit footpath 728 and the first power path 722 outside a plurality of second contact portion 120c.Specifically, real in this Apply example, protective layer 730 has a plurality of 4th opening 730a and a plurality of shielding portion 734, wherein a plurality of 4th opening 730a First opening 720a of corresponding circuits footpath layer 720 respectively, so that the self-corresponding 4th opening 730a of each power path supporting construction is naked Expose for electrically connecting piezo-activator 110, as illustrated in fig. 7d.
Furthermore, a plurality of piezo-activators of input equipment also can be integrated into single piezo-activator combination, to simplify Assembly program.As shown in fig. 6, Fig. 6 is the schematic diagram of the piezo-activator combination of one embodiment of the invention, piezo-activator combines The 11 circuit supporting structure sheafs corresponding to Fig. 5 A to Fig. 5 E, it comprises a plurality of (such as 82) piezo-activators 110 and connects Part 116, wherein connector 116 connect a plurality of piezo-activators 110.As illustrated, each piezo-activator 110 has being driven Portion 114 and piezoelectric part 112, and piezoelectric part 112 is arranged in driven part 114.Additionally, according to the size of corresponding button, piezoelectricity Actuator 110 can have more than one piezoelectric part 112 and be arranged in driven part 114.Connector 116 is connected to a plurality of pressures The same side of the driven part 114 of electric actuator 110, so that a plurality of piezo-activator 110 is arranged with array way connect And each piezo-activator 110 independently can swing with respect to connector 116.In this embodiment, connector 116 can be for having plural number The shaped as frame connector of bar parallel connection strap 116a.A plurality of piezo-activators 110 are spaced along connection strap 116a, and preferably with The same side (such as upside) of driven part 114 is connected with connection strap 116a.As shown in fig. 6, each driven part 114 is rectangle shape Shape, and a side (such as horizontal upper side) only with rectangular shape for a plurality of driven part 114 and the interconnection of connection strap 116a phase Connect.Here, it may be noted that the number of the shape of connector 116 and connection strap 116a and configuration, can change according to design requirement, no To be limited shown in embodiment.
Furthermore, for another viewpoint, the combination of piezo-activator shown in Fig. 6 can be considered comprise conducting strip 11a (for example but It is not limited to copper sheet) and a plurality of piezoelectric elements (i.e. piezoelectric part 112), wherein conducting strip 11a has a plurality of cutting grooves 118 to define Go out a plurality of driven part 114, and a plurality of driven part 114 is connected with each other with side, form cantilevered plural number lamellar body.Multiple Several piezoelectric elements 112 are respectively arranged in a plurality of driven part 114, to form a plurality of piezo-activators 110.In other words, Conducting strip 11a is cut into a plurality of piezo-activators 110 and connector 116 by a plurality of cutting grooves 118.With rectangle driven part As a example 114, a plurality of cutting grooves 118 comprise at least one comb teeth-shaped cutting groove 118, and wherein comb teeth-shaped cutting groove 118 has major trough 118a and a plurality of comb groove 118b.A plurality of comb groove 118b connection major trough 118a are simultaneously parallel along the bearing of trend of major trough 118a Arrangement, wherein major trough 118a is located at the side of a plurality of driven part 114, and comb groove 118b stretches into adjacent driven part 114 Between.When piezo-activator combination 11 is stacked and placed on circuit supporting structure sheaf, can be by being fixedly connected bar 116a or conducting strip 11a Positioned at major trough 118a opposite side part in circuit supporting structure sheaf, you can reach a plurality of piezo-activators 110 and corresponding electricity The connection of road supporting construction 120.
Here is it may be noted that when each element of multiple press-key structures is integrated into corresponding component layer, press in order to avoid adjacent Interference between bond structure or false touch and affect the sensing of sensing unit, input equipment can have avoidance erroneous judgement induction structure.As Shown in the embodiment of Fig. 8 A to Fig. 8 F, Fig. 8 A to Fig. 8 F is respectively the avoidance sensing erroneous judgement structure setting of the present invention in diverse location Embodiment schematic diagram, wherein, Fig. 8 B, 8D and 8F be respectively Fig. 8 A, 8C and 8E shown structure sectional view.Circuit supporting is tied Structure layer 12 and inductive layer 13 at least one there is a plurality of cutting grooves 170,170a, 170b, with individualized plurality of circuits Supporting construction 120 and/or individualized a plurality of sensing unit 130 are so that adjacent circuit supporting structure 120 and/or adjacent Sensing unit 130 is not directly corresponding to be connected.
In an embodiment, as shown in Fig. 8 A and Fig. 8 B, a plurality of cutting groove 170a are formed at circuit supporting structure sheaf 12, with Individualized plurality of circuits supporting construction (or claiming unit) 120 so that adjacent circuit supporting structure is directly corresponding connects, with Reduce the gearing between plurality of circuits supporting construction 120.Specifically, cutting groove 170a runs through circuit supporting structure sheaf 12 (for example running through above-mentioned supporting layer, first path layer, the second path layer, protective layer etc.), so that each circuit supporting structure 120 At least one side is separated by cutting groove 170a with adjacent circuit supporting structure 120.That is, a plurality of cutting groove 170a divide Not Wei Yu plurality of circuits supporting construction 120 surrounding so that at least one side mutually not phase of adjacent circuit supporting structure 120 Even (there is gap).For another viewpoint, a plurality of cutting groove 170a around plurality of circuits supporting construction 120 so that Adjacent circuit supporting structure 120 is respectively connected with each other by least one connecting portion 172, and adjacent circuit supporting structure 120 At least one connecting portion 172 staggers setting.As illustrated, corresponding to the circuit supporting structure 120 of rectangle, cutting groove 170a is to have The rectangle of one opening open annular cutting groove, wherein connecting portion 172 are located at the opening of open annular cutting groove so that each Circuit supporting structure 120 forms the cantilevered circuit supporting structure 120 on circuit supporting structure sheaf 12.Furthermore, a plurality of cuttings Groove 170a all in the way of opening is above around corresponding circuit supporting structure 120 so that adjacent circuit supporting construction 120 Connecting portion 172 be not connected directly to one another.That is, a plurality of cutting groove 170a are set to not make the opening of cutting groove 170a direct Face-to-face.
When extraneous applying pressing force, with adjacent circuit supporting structure in circuit supporting structure 120 structure being pressed 120 separate but really do not separate, and can effectively trigger the corresponding sensing unit 130 in lower section, without driving adjacent circuit There is false touch operation in supporting construction 120.
In another embodiment, as shown in Fig. 8 C and Fig. 8 D, a plurality of cutting groove 170b are formed at inductive layer 13, with individualized A plurality of sensing units 130 are not so that adjacent sensing unit 130 directly corresponds to and connects, to reduce a plurality of sensing units 130 Between gearing.In this embodiment, cutting groove 170b has the configuration substantially identical with the cutting groove 170a of Fig. 8 A, Fig. 8 B, At least one side making adjacent sensing unit 130 is mutually not attached to, and repeats no more in this.
In another embodiment, as shown in Fig. 8 E and Fig. 8 F, a plurality of cutting groove 170a and 170b are respectively formed in circuit and prop up Support structure layer 12 and inductive layer 13, with individualized plurality of circuits supporting construction 120 and a plurality of sensing unit 130 so that phase Adjacent circuit supporting structure 120/ sensing unit 130 is not directly corresponding to be connected, and is felt with reducing plurality of circuits supporting construction 120/ Answer the gearing between unit 130.Here is it may be noted that when cutting groove is simultaneously formed at circuit supporting structure sheaf 12 and inductive layer 13 When, cutting groove 170a and 170b being formed at around corresponding circuits supporting construction 120 and sensing unit 130 preferably has corresponding Character, size and location are so that corresponding cutting groove 170a and 170b can connect as running through circuit supporting structure sheaf 12 and sense simultaneously Answer the cutting groove 170 of layer 13.
Furthermore, cutting groove can have different aspects according to actual demand.Please also refer to Fig. 9 A to Fig. 9 C and Figure 10 A extremely The input equipment of Figure 10 C, Fig. 9 A to Fig. 9 C respectively present invention has the cutting groove of different aspects in circuit supporting structure sheaf Embodiment schematic diagram；And the input equipment of Figure 10 A to Figure 10 C respectively present invention has the cutting of different aspects in inductive layer The embodiment schematic diagram of groove.As shown in Fig. 9 A and Figure 10 A, it is formed at circuit supporting structure sheaf 12 and the cutting groove of inductive layer 13 180a, for having the open annular cutting groove of two openings, two of which connecting portion 182 is located at two of cutting groove 180a respectively The connecting portion 182 of circuit supporting structure 120/ sensing unit 130 at opening and adjacent staggers setting, and that is, opening is arranged to not Directly facing face.
As shown in Fig. 9 B and Figure 10 B, being formed at circuit supporting structure sheaf 12 and the cutting groove 180b of inductive layer 13 is plural number Bar straight cuts groove, wherein plural bar straight cuts groove 180b at least one end does not mutually connect.In this embodiment, circuit supporting is tied Structure 120 and sensing unit 130 for four cutting groove 180b institutes around (i.e. four cutting groove 180b are formed at its surrounding), and four In cutting groove 180b any two mutually do not connect so that circuit supporting structure 120/ sensing unit 130 is by four connecting portions 184 are connected with other circuit supporting structure 120/ sensing units 130.In this embodiment, four connecting portions 184 are located at circuit respectively Four corners of supporting construction 120/ sensing unit 130, but be not limited.In other embodiment, can be by the plural bar of setting The straight cuts groove that length is different, connected mode is different in circuit supporting structure 120/ sensing unit 130 around, and changes even The position of socket part.
As shown in Fig. 9 C and Figure 10 C, in this embodiment, adjacent circuit supporting structure 120/ sensing unit 130 is in it extremely Few side has common cutting groove 180d, and other sides are provided with respective cutting groove 180c.That is, adjacent circuit props up Can separate by one or more cutting grooves between support structure 120/ sensing unit 130.In this embodiment, circuit supporting structure 120/ Sensing unit 130 also can be performed as described above described in example by four connecting portions 186 and other circuit supporting structure 120/ sensing units 130 connections.Four connecting portions 186 are located at four corners of circuit supporting structure 120/ sensing unit 130 respectively, but not as Limit.
Here is it may be noted that cutting groove is preferably around individual other circuit supporting structure/sensing unit, and the length of cutting groove is got over Length is more conducive to avoiding sensing erroneous judgement.Additionally, the shape of cutting groove is not to be limited shown in embodiment.In other embodiment, corresponding The shape of press-key structure, cutting groove can be the open annular cutting groove of circular rings form or other geometric formats.Furthermore, avoid sense The other structures layer that structure can be formed between the outside trigger source of input equipment and inductive layer should be judged by accident, be not limited to above-mentioned enforcement The circuit supporting structure sheaf (for example shown in Fig. 4 A, Fig. 5 A to Fig. 5 E, Fig. 7 D) of example, inductive layer.That is, cutting groove can be formed at tool There are the support structure layers of other circuit design, to reach the operational separation of each sensing unit, also keep global shape simultaneously On integrity.
Compared to known techniques, the press-key structure of the present invention and input equipment reach the spy of slimming by stepped construction Property, provide pressing feedback as user operation indicating by piezo-activator simultaneously.Furthermore, the press-key structure of the present invention and defeated Enter device becomes the circuit supporting structure (layer) of modularity multiple-level stack by integrated circuit footpath in supporting construction, not only increases The manufacturability of circuit supporting structure (layer), more can be by being stacked with and effectively reach different power path layers between layers Electrically isolate, effectively prevent short circuit generation.Additionally, the input equipment of the present invention is integrated into list by a plurality of piezo-activators One part piezo-activator combination, make piezo-activator can be stacked and placed on circuit supporting structure easily and reach electric connection and Support purpose, to simplify fabrication schedule and cost-effective.Furthermore, the avoidance sensing erroneous judgement structure design of the present invention can effectively reach The operational sensing of input equipment separates promotes sensing correctness, keeps the integrity of input equipment simultaneously.
The present invention is been described by by above-described embodiment, but above-described embodiment is only and illustrates purpose not for restriction. Those skilled in the art, under not departing from present invention spirit, can have other of illustrative embodiments to repair in the embodiment that this illustrates Change.Therefore, scope is also covered such modification and is only limited by the scope of claims.

Claims (17)

1. the circuit supporting structure of a kind of input equipment, for supporting at least one piezo-activator it is characterised in that this input fills The circuit supporting structure put comprises：
Supporting layer, has at least one holding part；
First path layer, is stacked and placed on this supporting layer, and this first path layer has the first power path, this first power path comprise to Few one first contact portion；And
Second path layer, has second circuit footpath, and this second circuit footpath comprises at least one second contact portion,
Wherein this second path layer be stacked and placed on this first path layer and expose this at least one first contact portion and this at least one Second contact portion, this first path layer and this second path layer and this at least one holding part are collectively forming at least one accommodation space, To provide the oscillation space of this at least one piezo-activator, and this first contact portion and this second contact portion are respectively used to electrically connect Connect this piezo-activator.
2. the circuit supporting structure of input equipment as claimed in claim 1 is it is characterised in that the circuit supporting of this input equipment Structure also comprises：Protective layer, wherein this protective layer are arranged at and remove this at least one first contact portion to cover on this second path layer And this exposed second circuit footpath and this first power path outside this at least one second contact portion.
3. the circuit supporting structure of input equipment as claimed in claim 1 is it is characterised in that this at least one holding part is to be formed Opening or groove in this supporting layer.
4. the circuit supporting structure of input equipment as claimed in claim 3 is it is characterised in that this first path layer has at least One first opening and at least one tongue, this at least one first opening to should at least one holding part, this tongue is from this first opening Side towards this first opening central projection, this first contact portion is arranged at this tongue.
5. the circuit supporting structure of input equipment as claimed in claim 4 is it is characterised in that this second path layer has at least One second opening and at least one extension, this at least one second opening is to should at least one first opening and this at least one holding part To be collectively forming this at least one accommodation space, this extension from the side of this second opening towards the central projection of this second opening, And this extension covers a part for this tongue to expose this first contact portion.
6. the circuit supporting structure of input equipment as claimed in claim 4 is it is characterised in that the circuit supporting of this input equipment Structure also comprises：Sealing coat, be arranged between this first path layer and this second path layer with electrically insulate this first power path and This second circuit footpath, wherein this sealing coat have at least one the 3rd opening and at least one shielding portion, this at least one the 3rd opening pair Should at least one holding part, this shielding portion is arranged at the side of the 3rd opening, to cover a part for this tongue and to expose This first contact portion.
7. the circuit supporting structure of input equipment as claimed in claim 6 is it is characterised in that this second path layer has at least One second opening, this at least one second opening to should at least one holding part to expose this shielding portion.
8. the circuit supporting structure of input equipment as claimed in claim 1 is it is characterised in that this at least one piezo-activator is A plurality of piezo-activators, this at least one first contact portion is that multiple first contact portion and the plurality of first contact portion are grouped into the One group of first contact portion and second group of first contact portion, this first path layer comprises first path first layer and first path second layer, This first path first layer has the first power path first, and this first path second layer has the first power path second, this first power path first Comprise this first group of first contact portion, this first power path second comprises this second group of first contact portion, this first path first layer and This first path second layer stackup is configured so that this first group of first contact portion and this second group of first contact portion is a plurality of in this It is crisscross arranged in the orientation of piezo-activator.
9. the circuit supporting structure of input equipment as claimed in claim 1 is it is characterised in that this at least one piezo-activator is A plurality of piezo-activators, this at least one holding part is a plurality of holding parts, and this at least one first contact portion is a plurality of first Contact portion, this at least one second contact portion be a plurality of second contact portion, this plurality of first contact portion and this plurality of second Contact portion is correspondingly arranged in the inner side of this plurality of holding part and outside respectively to constitute plurality of circuits support unit, this plural number Individual circuit supporting unit is respectively in order to support this plurality of piezo-activator.
10. the circuit supporting structure of input equipment as claimed in claim 9 is it is characterised in that the circuit supporting of this input equipment Structure also comprises a plurality of cutting grooves, and this plurality of cutting groove runs through this supporting layer, first path layer and this second path layer, with This plurality of circuits support unit individualized is so that this adjacent circuit supporting unit does not directly correspond to and connects, multiple to reduce this Gearing between several circuit supporting units.
The circuit supporting structure of 11. input equipment as claimed in claim 10 is it is characterised in that this plurality of cutting groove is distinguished Around this plurality of circuits support unit so that this plurality of circuits support unit is respectively connected with each other by least one connecting portion, And this at least one connecting portion of this adjacent circuit supporting unit staggers setting.
The circuit supporting structure of 12. input equipment as claimed in claim 11 is it is characterised in that a plurality of cutting groove is at least One open annular cutting groove, this open annular cutting groove is straight-flanked ring or circular rings.
The circuit supporting structure of 13. input equipment as claimed in claim 10 is it is characterised in that this plurality of cutting groove is distinguished Positioned at this plurality of circuits support unit surrounding so that at least one side of this adjacent circuit supporting unit is mutually not attached to.
The circuit supporting structure of 14. input equipment as claimed in claim 13 is it is characterised in that this plurality of cutting groove is multiple Several straight cuts grooves, wherein this plural bar straight cuts groove at least one end mutually do not connect.
A kind of 15. input equipment are it is characterised in that this input equipment comprises：
At least one piezo-activator；
The circuit supporting structure of the input equipment as described in any one of claim 1 to 14, in order to support this at least one piezoelectricity to cause Dynamic device；And
Inductive layer, has at least one sensing unit, and this at least one sensing unit is to should at least one piezo-activator；
Wherein when applying pressing force in this piezo-activator, this piezo-activator transmits this pressing force and ties to this circuit supporting Structure, produces trigger to trigger this sensing unit corresponding, and then drives this piezo-activator to produce according to this trigger Vibrations.
16. input equipment as claimed in claim 15, it is characterised in that this input equipment also comprises basal layer, are arranged at this sense Answer below layer, to promote the structural strength of this input equipment.
It is characterised in that this input equipment also comprises clad, this clad covers for 17. input equipment as claimed in claim 16 It is placed on this piezo-activator and has character or pattern using as key cap layer；Or, this piezo-activator, this circuit supporting knot Structure, this inductive layer and this basal layer are coated in this clad completely.
CN201510086549.1A 2015-02-17 2015-02-17 The circuit supporting structure of input equipment and input equipment Active CN104701053B (en)

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TWI578361B (en) 2015-06-05 2017-04-11 達方電子股份有限公司 Keyswitch structure and input device
TWI581289B (en) 2015-06-05 2017-05-01 達方電子股份有限公司 Keyswitch structure and input device
CN105097339B (en) * 2015-06-23 2017-08-25 苏州达方电子有限公司 Press-key structure and input unit
CN111725018B (en) * 2020-06-22 2022-08-09 Oppo广东移动通信有限公司 Key, control circuit and electronic equipment

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CN201238379Y (en) * 2008-07-04 2009-05-13 瑞声声学科技(常州)有限公司 Piezoelectric loudspeaker
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CN103354185A (en) * 2013-07-16 2013-10-16 苏州达方电子有限公司 Button structure

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