CN204790953U - Touch -sensitive device - Google Patents
Touch -sensitive device Download PDFInfo
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- CN204790953U CN204790953U CN201520429508.3U CN201520429508U CN204790953U CN 204790953 U CN204790953 U CN 204790953U CN 201520429508 U CN201520429508 U CN 201520429508U CN 204790953 U CN204790953 U CN 204790953U
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Abstract
The utility model discloses a touch -sensitive device who can be used to portable handheld electronic equipment, include with the moulding structure of handheld electronic equipment assorted (100) and attach to the curved surface touch sensing control (200) in moulding structure (100) the outside, curved surface touch sensing control (200) includes capacitive sensing subassembly (220) and control module (210) be connected with capacitive sensing subassembly (220) of agreeing with mutually with the curved surface lateral margin of moulding structure (100), communication connection is establish through wireless or wired mode with handheld electronic equipment in control module (210), capacitive sensing subassembly (220) include the insulating substrate who is made by flexible material and set up the electrode that has ductility on insulating substrate, can realize the touch sensing function of curved surface from this, it is limited to the support of sensing gesture mode sensing input to have overcome present touch display screen, the defect to gripping the unable sensing of gesture especially.
Description
Technical field
The utility model relates to electron device, more particularly, relates to a kind of touch induction device of the grip responded to for portable handheld electronic devices.
Background technology
Be touch display screen for portable handheld terminal (such as smart mobile phone, panel computer etc.) to manually making relevant input detection device.Touch display screen generally includes independently touch panel and display unit, also the two function can be combined to be produced on to form built-in integrated form touch display screen together.In response to the character on the finger of people or stylus touch screen or ad-hoc location, touch display screen can identify the relative status (gesture sensing) of touch location or multiple touch, thus receives the input information of user.
Along with the development of touch display screen signal detection technique, the not direct contact screen of finger carries out suspension procedure, and touch display screen also can identify that the relative status (suspension gesture sensing) of multiple suspension procedure reaches the object of information input.
The examples of types of touch panel (or touch display screen) comprises projected capacitive type, surface light wave mode, optical sensor type etc.In the projected capacitive type touch pad generally used, comprise the first electrode and the second electrode, and the first electrode is connected with controller by splicing ear with the second electrode.Controller sensing can be caused by the touch of input media (such as finger, writing pencil etc.), the coupling capacitance of corresponding touch area changes, and determines position and the gesture motion change type (such as amplify, reduce) of touch area after via controller computational analysis and gesture model identification.
But, the special song structure touch sensor arranged of nothing of prior art carries out the sensing of grip, the scene being conventionally used to the planar touch screen application above display screen is different from grip sensing scene, thus existing Capacitive touch plate is placed in the function realizing information input above display screen the optical transparence requirement such as (ITO transparent electrode material), limit the selection of electrode fabrication material and technology, normally used electrode material tin indium oxide (IndiumTinOxides, ITO) more crisp not flexible, thus electrode cannot be made on the curved surface compared with large curved surface curvature, existing touch display screen is that the support of planar structure to the input of sensing hand gestures pattern sensing is limited, cannot sense grip especially, the input of current existing suspension gesture sensing is not very natural a kind of input pattern.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect that cannot sense grip of prior art, provides a kind of touch induction device of the grip responded to for portable handheld electronic devices.
The utility model solves the technical scheme that its technical matters adopts: construct a kind of touch induction device, for portable handheld electronic devices, comprise the shaping structure matched with described hand-hold electronic equipments and the curved surface touch sensing control piece be attached to outside described shaping structure, described curved surface touch sensing control piece comprises the capacitance sensing assembly agreed with mutually with the curved surface lateral margin of described shaping structure and the control module be connected with capacitance sensing assembly, described control module is established a communications link by wireless or wired mode and described hand-hold electronic equipments, described capacitance sensing assembly comprises the dielectric base be made up of flexible material and the malleable electrode of tool be arranged in described dielectric base.
In touch induction device described in the utility model, described dielectric base is flexible board; Described electrode comprises one group of first electrode and one group of second electrode, and described first electrode and the second electrode intersect and insulated from each other mutually.
In touch induction device described in the utility model, described control module comprises bluetooth module and wireless charging module, or the first connector described shaping structure is provided with for being connected with hand-hold electronic equipments, described curved surface touch sensing control piece also comprises the second connector for being connected with the first connector, and described second connector is connected with control module.
In touch induction device described in the utility model, described control module is established a communications link by the second connector and described hand-hold electronic equipments, described flexible board is the double-faced flexible plate be fixed on shaping structure, described one group of first electrode, control module and the second connector are positioned on the inside surface of the flexible insulation basement membrane of described double-faced flexible plate, and one group of second described electrode is positioned on the outside surface of the flexible insulation basement membrane of described double-faced flexible plate.
In touch induction device described in the utility model, described control module is established a communications link by the second connector and described hand-hold electronic equipments, described flexible board is two single-sided flexible plates of the stacked setting be fixed on shaping structure, described one group of first electrode, control module and the second connector are located close on the flexible insulation basement membrane of a single-sided flexible plate of described shaping structure, and one group of second described electrode is positioned on the flexible insulation basement membrane of another single-sided flexible plate.
In touch induction device described in the utility model, described first electrode and the second electrode are the conductive pattern made by etching mode on the flexible insulation basement membrane of correspondence.
In touch induction device described in the utility model, the insulating protective film that the surface coverage that described flexible insulation basement membrane arranges described first electrode and the second electrode has one deck to be made up of polyimide.
In touch induction device described in the utility model, one group of first described electrode and one group of second electrode are respectively multiple wire electrodes that parallel interval is arranged, and the first electrode and the second electrode intersect with predetermined angle, the node of each first electrode and the second electrode crossing forms a coupling capacitance.
In touch induction device described in the utility model, the first electrode is as drive electrode, and the live width of the first electrode is less than 4mm, and the second electrode is as sensing electrode, and the live width of the second electrode is less than 100 μm.
In touch induction device described in the utility model, the spacing between two the first electrodes of arbitrary neighborhood is 4mm, and the spacing between two the second electrodes of arbitrary neighborhood is less than 10mm.
In touch induction device described in the utility model; decoration diaphragm is also provided with outside described curved surface touch sensing control piece; described decoration diaphragm is three-layer composite structure, described three-layer composite structure comprise for the protection of and decoration external protection, for mucigel and the decoration layer between external protection and interior mucigel in bonding with curved surface touch sensing control piece and shaping structure.
Implement touch induction device of the present utility model, there is following beneficial effect: the dielectric base that the flexible material that in the utility model, capacitance sensing assembly adopts is made and the malleable electrode of tool be arranged in described dielectric base, therefore be convenient to prepare curved surface touch sensing control piece, curved surface touch sensing controls to overcome existing touch display screen, and to be planar structure limited to the support of sensing hand gestures pattern sensing input, especially to the defect that grip cannot sense.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the cross sectional representation of the utility model touch induction device;
Fig. 2 is curved surface touch sensing control piece schematic diagram in a flattened condition;
Fig. 3 is the schematic diagram that the first electrode and the second electrode form electric capacity.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
The utility model mainly will carry out sensing to grip and identify, the gesture of usual people's hand-held formula electronic equipment is relatively fixing (be such as hold by one hand and carry out web page browsing, hands grasping mobile phones transverse screen viewing video etc. to mobile phone screen), it is adopt left hand or right hand gripping that grip can be distinguished when being hold by one hand significantly, also just by identifying that grip makes the function of three virtual keys in touch display screen reset (three common function keys from left to right order change), such use can become more handy.
With reference to the cross sectional representation that figure 1 is the utility model touch induction device;
Touch induction device of the present utility model can be applied in portable handheld electronic devices, such as mobile phone, panel computer, e-book etc.As Fig. 1, touch induction device comprises: shaping structure 100 and curved surface touch sensing control piece 200, preferably, also can comprise decoration diaphragm (not shown).
Shaping structure 100 and described hand-hold electronic equipments match, and the lateral margin of described shaping structure 100 is the arc-shaped curved surface agreed with mutually with the hand-held edge of described hand-hold electronic equipments, to increase gripping comfort level.The configuration design of the size foundation hand-hold electronic equipments of shaping structure 100 need reserve necessary hole not stop the normal use of camera, button etc.The making material of shaping structure 100 can adopt plastics, such as: polycarbonate, Acrylonitrile-butadiene-styrene Copolymer ABS, PC and ABS potpourri etc.Adopt plastics can avoid producing shielding to the radiofrequency signal of hand-hold electronic equipments.
Composition graphs 1 is curved surface touch sensing control piece 200 schematic diagram in a flattened condition with reference to figure 2, Fig. 3, Fig. 2; Fig. 3 is the schematic diagram that the first electrode 222 and the second electrode 223 form electric capacity.
Curved surface touch sensing control piece 200 is attached to outside described shaping structure 100, described curved surface touch sensing control piece 200 comprises capacitance sensing assembly 220 and control module 210, capacitance sensing assembly 220 agrees with perception grip with the curved surface lateral margin of shaping structure 100 mutually, described capacitance sensing assembly 220 comprises dielectric base and one group of first electrode 222 of being arranged in described dielectric base and one group of second electrode 223, and described first electrode 222 and the second electrode 223 intersect and insulated from each other mutually.Described control module 210 is connected with capacitance sensing assembly 220, and described control module 210 is established a communications link by wireless or wired mode and described hand-hold electronic equipments, capacitance sensing assembly 220 is for responding to the touch location of the hand (comprising finger and palm) of user, touch signal is sent to hand-hold electronic equipments by control module 210, and the controller that control module 210 mainly adopts realizes.
Dielectric base is can be made up of the flexible material bending to arc, first electrode 222 and the second electrode 223 have ductility, therefore curved surface touch sensing control piece 200 can be made to form the capacitive sensing region of curved surface at hand-held edge, thus can grip be responded to.Similar with the control module 210 of traditional touch display screen, control module 210 can be carried out data processing identification grip or touch action to transducing signal and is the discernible signal of handheld device central controller data transformations.
Wherein, when touch induction device of the present utility model is wirelessly connected with hand-hold electronic equipments, control module 210 can comprise the wireless devices such as bluetooth module and carry out data communication, comprises wireless charging module simultaneously and carries out wireless power.Connect preferably through wired mode in this enforcement.
With reference to figure 1 and Fig. 2, described shaping structure 100 is provided with the first connector 110 for being connected with hand-hold electronic equipments; Described curved surface touch sensing control piece 200 also comprises the second connector 230 for being connected with the first connector 110, and described second connector 230 is connected with control module 210.Control module 210 generally adopts controller to realize, and controller realizes being connected with hand-hold electronic equipments back cover hard contact by the second connector 230, first connector 110 successively, finally realizes power supply POWER and communication signal DATA and transmits.
As in Fig. 1, a groove is offered with accommodating controller in the surface of shaping structure 100, first connector 110 one end is embedded in shaping structure 100, to realize being connected with the second connector 230, the other end of the first connector 110 extends shaping structure 100, to connect the hard contact of hand-hold electronic equipments.
It should be explicitly made clear at this point, the type of the first connector 110 and the second connector 230 does not limit, as long as can realize data and power delivery, such as, can adopt common USB interface.
Wherein, decoration diaphragm is three-layer composite structure; described three-layer composite structure comprise for the protection of and decoration external protection, for mucigel and the decoration layer between external protection and interior mucigel in bonding with curved surface touch sensing control piece 200 and shaping structure 100, such as external protection can be that the coating by having reactive silane groups and fluorine richness organic group carries out coating film treatment and obtains.
In the present embodiment, described dielectric base adopts flexible board 221 to realize, and controller and the second connector 230 are welded in flexible circuit board.Flexible board 221 is positioned on shaping structure 100, has bonding agent between which.Bonding agent can comprise contact adhesive, ultraviolet (UV) curable resin, glue (acrylic acid or urethane resin), epoxy resin etc.
The making of touch sensing electric capacity also can the manufacturing process (plated-through-hole, exposure, development, etching, stripping, thermal-adhering etc.) of compatible flexible board 221, adopt the technological process of integration the first electrode 222, second electrode 223, controller and the second connector 230 to be made on same flexible board, compare traditional touch sensor method for making and decrease the multiple working procedures such as binding.
Concrete, with reference to figure 2, flexible board 221 can adopt double-faced flexible plate to make, and the first electrode 222 and the second electrode 223 can be the conductive pattern that the two sides of flexible insulation basement membrane etches formation respectively, and conductive pattern is with reference to figure 3.Be specially: make the first electrode 222 (drive electrode) and extension line thereof at the inside surface of flexible insulation basement membrane, make the second electrode 223 sensing electrode and extension line thereof at the outside surface of flexible insulation basement membrane.Controller and the second connector 230 are welded on inside surface, use plated through-hole that the second electrode 223 and extension line thereof and controller are formed conductive path.Flexible insulation basement membrane can be polyimide, polyester etc.The making preferred material of the first electrode 222 and the second electrode 223 is rolled copper foil.
The mode that flexible board 221 also can adopt two single-sided flexible flaggies folded, the making material of the manufacture craft of two single-sided flexible plates, flexible insulation basement membrane and the first electrode 222 and the second electrode 223 can be identical or different.Usable polymers thick film makes the first electrode 222 and the second electrode 223, and flexible insulation base material can be polyethylene terephthalate (PET), and conductor can silk-screen metal packing or carbon dust filler.After completing, the surface of the conductive pattern formed at the first electrode 222 and the second electrode 223 can paste the insulating protective film that one deck is made up of polyimide.
Referring to figs. 2 and 3, one group of first electrode 222 is produced on flexible insulation basement membrane upper surface (inner surface), and each first electrode 222 is in fact a wire electrode, and it can be arranged along first direction with equal intervals or different interval.Second electrode 223 is produced on flexible insulation basement membrane lower surface (aforementioned external surfaces), in like manner, each second electrode 223 is in fact a wire electrode, every bar second wire electrode is along the second direction crossing with first direction extension, and this second direction such as can intersect vertically with first direction or angularly deflection is crossing with such as 45 degree, 75 degree.The interval between the live width of every bar first electrode 222 or the second electrode 223 and wire electrode can be set arbitrarily.
Concrete, Fig. 3 gives the schematic diagram that the first electrode 222 and the second electrode 223 form electric capacity, the node 224 of each intersection can form coupling capacitance, when the coupling capacitance that this region is pointed or palm covers (touch or grip) node 224 place will change, can be distinguished this change region by controller.
Be different from Flat touch display screen, this device more importantly identifies grip state function except realizing basic touch function, thus require the more lineation electrode of relative touch display screen (first electrode 222 and the second electrode 223) the region in finger or palm contacts face can be distinguished, identify grip further.Therefore, preferably, the live width of the first electrode 222 counts larger live width, such as be less than 4mm, the live width of the second electrode 223 is designed to less live width, such as, be less than 100 μm, less live width can ensure the demand of the sensitivity of touch-control unit and flexibility, and (FPC plate paving is long-pending, and more conference is harder, otherwise can be more soft), design can be distinguished closing up under state adjacent two fingers like this, and abundant sensing electrode is convenient to be adjusted by software in actual use.
Preferably, the spacing between two the first electrodes 222 of arbitrary neighborhood is 4mm, and the spacing between two the second electrodes 223 of arbitrary neighborhood is less than 10mm.Such as, design several (such as 10) second electrode 223 (sensing electrode) in single finger contact width (about 10mm).
Being clipped in flexible insulation basement membrane between the first electrode 222 and the second electrode 223 and viscose is two interelectrode insulation dielectric layers, when applying voltage to the first electrode 222 and the second electrode 223, will electric capacity being produced.The touch sensitivity of adjustable device is designed by the live width of the thickness or change wire electrode that change flexible insulation basement membrane and viscose.
The workflow of this device can be described below: A: in hand-hold electronic equipments, install the program with mode of learning; B: user under program-guide prompting to various grip such as singlehanded left-handed static or browse, the singlehanded right hand grip static or browse, hands grasping game, hands grasping viewing video etc. pre-enter setting; C: the basic status overlay area confirming various grip, the relative size position etc. of each overlay area, and by the data that obtain stored in the specific usage data storehouse of user; D: during equipment use, can make fuzzy diagnosis to the change of grip can make and correctly apply response.
This device also can coordinate the existing sensor use of hand-hold electronic equipments to realize several functions such as: coordinate range sensor to realize volume in call and regulate in real time, coordinate gravity sensor use to avoid screen to rotate by mistake.
Device described herein can be integrated into portable electric appts, as the back cover with integrated sensing gesture function of this electronic equipment after structure redesigns.
In sum, implement touch induction device of the present utility model, there is following beneficial effect: the dielectric base that the flexible material that in the utility model, capacitance sensing assembly adopts is made and the malleable electrode of tool be arranged in described dielectric base, therefore be convenient to prepare curved surface touch sensing control piece, curved surface touch sensing controls to overcome existing touch display screen, and to be planar structure limited to the support of sensing hand gestures pattern sensing input, especially to the defect that grip cannot sense.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (10)
1. a touch induction device, for portable handheld electronic devices, it is characterized in that, comprise the shaping structure (100) matched with described hand-hold electronic equipments and the curved surface touch sensing control piece (200) being attached to described shaping structure (100) outside, described curved surface touch sensing control piece (200) comprises the capacitance sensing assembly (220) agreed with mutually with the curved surface lateral margin of described shaping structure (100) and the control module (210) be connected with capacitance sensing assembly (220), described control module (210) is established a communications link by wireless or wired mode and described hand-hold electronic equipments, described capacitance sensing assembly (220) comprises the dielectric base be made up of flexible material and the malleable electrode of tool be arranged in described dielectric base.
2. touch induction device according to claim 1, is characterized in that, described dielectric base is flexible board (221); Described electrode comprises one group of first electrode (222) and one group of second electrode (223), and described first electrode (222) and the second electrode (223) intersect and insulated from each other mutually.
3. touch induction device according to claim 2, it is characterized in that, described control module (210) comprises bluetooth module and wireless charging module, or the first connector (110) described shaping structure (100) is provided with for being connected with hand-hold electronic equipments, described curved surface touch sensing control piece (200) also comprises the second connector (230) for being connected with the first connector (110), and described second connector (230) is connected with control module (210).
4. touch induction device according to claim 3, it is characterized in that, described control module (210) is established a communications link by the second connector (230) and described hand-hold electronic equipments, described flexible board (221) is for being fixed on a double-faced flexible plate on shaping structure (100), one group of first described electrode (222), control module (210) and the second connector (230) are positioned on the inside surface of the flexible insulation basement membrane of described double-faced flexible plate, one group of second described electrode (223) is positioned on the outside surface of the flexible insulation basement membrane of described double-faced flexible plate.
5. touch induction device according to claim 3, it is characterized in that, described control module (210) is established a communications link by the second connector (230) and described hand-hold electronic equipments, described flexible board (221) is for being fixed on two single-sided flexible plates of the stacked setting on shaping structure (100), one group of first described electrode (222), control module (210) and the second connector (230) are located close on the flexible insulation basement membrane of a single-sided flexible plate of described shaping structure (100), one group of second described electrode (223) is positioned on the flexible insulation basement membrane of another single-sided flexible plate.
6. the touch induction device according to claim 4 or 5, is characterized in that, described first electrode (222) and the second electrode (223) are the conductive pattern made by etching mode on the flexible insulation basement membrane of correspondence.
7. the touch induction device according to claim 4 or 5; it is characterized in that, the insulating protective film that the surface coverage that described flexible insulation basement membrane arranges described first electrode (222) and the second electrode (223) has one deck to be made up of polyimide.
8. touch induction device according to claim 3, it is characterized in that, one group of first described electrode (222) and one group of second electrode (223) are respectively multiple wire electrodes that parallel interval is arranged, and the first electrode (222) and the second electrode (223) intersect with predetermined angle, the node (224) that each first electrode (222) and the second electrode (223) intersect forms a coupling capacitance.
9. touch induction device according to claim 8, it is characterized in that, first electrode (222) is as drive electrode, the live width of the first electrode (222) is less than 4mm, second electrode (223) is as sensing electrode, and the live width of the second electrode (223) is less than 100 μm; Spacing between two the first electrodes (222) of arbitrary neighborhood is 4mm, and the spacing between two the second electrodes (223) of arbitrary neighborhood is less than 10mm.
10. touch induction device according to claim 1; it is characterized in that; described curved surface touch sensing control piece (200) outside is also provided with decoration diaphragm; described decoration diaphragm is three-layer composite structure, described three-layer composite structure comprise for the protection of and decoration external protection, for the interior mucigel bonding with curved surface touch sensing control piece (200) and shaping structure (100) and the decoration layer between external protection and interior mucigel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429508.3U CN204790953U (en) | 2015-06-19 | 2015-06-19 | Touch -sensitive device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429508.3U CN204790953U (en) | 2015-06-19 | 2015-06-19 | Touch -sensitive device |
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| CN204790953U true CN204790953U (en) | 2015-11-18 |
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| CN201520429508.3U Active CN204790953U (en) | 2015-06-19 | 2015-06-19 | Touch -sensitive device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704420A (en) * | 2017-10-31 | 2018-02-16 | 深圳市掌阅科技有限公司 | Electronic equipment enclosure device with page-turning function |
| CN107850980A (en) * | 2016-06-23 | 2018-03-27 | 京瓷办公信息***株式会社 | The control method of mobile terminal device and mobile terminal device |
| CN109388270A (en) * | 2017-08-11 | 2019-02-26 | 深圳天珑无线科技有限公司 | A kind of terminal with flexible screen |
| WO2019085220A1 (en) * | 2017-10-31 | 2019-05-09 | 深圳市掌阅科技有限公司 | Electronic device accessory apparatus having page turning function |
-
2015
- 2015-06-19 CN CN201520429508.3U patent/CN204790953U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850980A (en) * | 2016-06-23 | 2018-03-27 | 京瓷办公信息***株式会社 | The control method of mobile terminal device and mobile terminal device |
| CN109388270A (en) * | 2017-08-11 | 2019-02-26 | 深圳天珑无线科技有限公司 | A kind of terminal with flexible screen |
| CN107704420A (en) * | 2017-10-31 | 2018-02-16 | 深圳市掌阅科技有限公司 | Electronic equipment enclosure device with page-turning function |
| WO2019085220A1 (en) * | 2017-10-31 | 2019-05-09 | 深圳市掌阅科技有限公司 | Electronic device accessory apparatus having page turning function |
| US10999949B2 (en) | 2017-10-31 | 2021-05-04 | Zhangyue Technology Co., Ltd | Accessory apparatus for electronic device having page-turning function, electronic device and electronic device assembly |
| CN107704420B (en) * | 2017-10-31 | 2024-04-30 | 深圳市掌阅科技有限公司 | Electronic equipment accessory device with page turning function |
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