CN110187793A - Spherical touch device - Google Patents
Spherical touch device Download PDFInfo
- Publication number
- CN110187793A CN110187793A CN201910468663.9A CN201910468663A CN110187793A CN 110187793 A CN110187793 A CN 110187793A CN 201910468663 A CN201910468663 A CN 201910468663A CN 110187793 A CN110187793 A CN 110187793A
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- Prior art keywords
- electrode
- conductive layer
- substrate
- sub
- touch device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
Abstract
A kind of spherical shape touch device, it include: substrate, the substrate is spherical shell shape, and the substrate includes the inner surface and the outer surface being disposed opposite to each other, the inner surface is set to the substrate close to the side of the centre of sphere of the substrate, and the outer surface is set to the side of the centre of sphere of the substrate far from the substrate；Supporting layer, the supporting layer are set to the outer surface, and the supporting layer is elastic material；First conductive layer, first conductive layer are set to the supporting layer far from the substrate side, and first conductive layer includes multiple electrodes unit, and the electrode unit is for sensing touch location；And second conductive layer, second conductive layer are set to the inner surface.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to spherical touch device.
Background technique
In recent years, with advances in technology, the purposes of touch module is increasingly wider, from common ATM, intelligent
Mobile phone, tablet computer, to industrial touch control computer etc..So, the touch module of mainstream is mostly board-type currently on the market, separately
The curved surface for having a small number of touch modules is the 2.5D structure that only edge has certain curvature, possesses curved surface of high curvature (such as sphere curved surface
Or elliposoidal curved surface) touch module it is more rare.
In the prior art, less for the record of the touch module of curved surface of high curvature, it is related to its specific structure, production method
Technology there are also to be improved.Specifically, the intended application of sphere curved surface is in extensive range, and the application scenarios of sphere curved surface and tradition
Board-type there is some difference, design that one kind is widely used, easy to make and low-cost spherical touch device is ability
Field technique personnel's technical issues that need to address.
Summary of the invention
In view of this, the present invention provides a kind of spherical touch device.
A kind of spherical shape touch device, comprising:
Substrate, the substrate are spherical shell shape, and the substrate includes the inner surface and the outer surface being disposed opposite to each other, the inner surface
The substrate is set to close to the side of the centre of sphere of the substrate, the outer surface is set to the substrate far from the substrate
The side of the centre of sphere；
Supporting layer, the supporting layer are set to the outer surface, and the supporting layer is elastic material；
First conductive layer, first conductive layer are set to the supporting layer and lead far from the substrate side, described first
Electric layer includes multiple electrodes unit, and the electrode unit is for sensing touch location；And
Second conductive layer, second conductive layer are set to the inner surface.
In an embodiment, first conductive layer includes a substrate, and the substrate is set to the supporting layer far from institute
The surface of substrate is stated, multiple electrode units are set to the substrate far from the supporting layer side.
In an embodiment, the electrode unit includes at least one first sub-electrode and a second sub electrode, described
First sub-electrode and the second sub electrode are conductive material.
In an embodiment, first sub-electrode and the second sub electrode interval setting, first sub-electrode with
The second sub electrode exists without electric connection, between first sub-electrode and the second sub electrode by the first son electricity
One in pole and the second sub electrode is directed toward another electric field.
In an embodiment, first sub-electrode and the second sub electrode are electrically connected, first conductive layer with
There is the electricity that another is directed toward by one in first conductive layer and second conductive layer between second conductive layer
?.
In an embodiment, first conductive layer further includes the first conduction unit and the second conduction unit, and described first
Conduction unit and the first sub-electrode are electrically connected, and second conduction unit and the second sub electrode are electrically connected.
In an embodiment, the spherical shape touch device further includes at least one via hole and at least one fixing piece, institute
Via hole is stated through the substrate, the fixing piece is at least partially arranged in the conducting.
In an embodiment, the spherical shape touch device further includes a central processing element, and the central processing element is set
The substrate is placed in far from first conductive layer side, first conduction unit and second conduction unit pass through described
Via hole and the central processing element are electrically connected.
In an embodiment, second conductive layer and the central processing element are electrically connected, second conductive layer
Potential be zero.
In an embodiment, the quantity of first conductive layer be it is multiple, multiple first conductive layers are connected with each other spelling
It connects and is covered in the support layer surface.
Spherical touch device of the invention, can sense touch location and touch pressure.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the spherical touch device of one embodiment of the invention.
Fig. 2 is the schematic cross-sectional view of the spherical touch device of one embodiment of the invention.
Fig. 3 is the partial schematic diagram of the first conductive layer of the spherical touch device of one embodiment of the invention.
Fig. 4 is the overall schematic of the first conductive layer of the spherical touch device of one embodiment of the invention.
Fig. 5 is the overall schematic of the first conductive layer of the spherical touch device of another embodiment of the present invention.
Main element symbol description
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Shown in the drawings of the embodiment of the present invention, the present invention can be realized by a variety of different forms, and should not be solved
It is interpreted as being limited only to the embodiments set forth herein.On the contrary, these embodiments are provided so that the present invention more fully with it is complete
Whole disclosure, and those skilled in the art is made to more fully understand the scope of the present invention.For clarity as it can be seen that layer in the figure
It is exaggerated with the size in region.
It is appreciated that although first, second these equal terms can be used herein to describe various elements, component, area
Domain, layer and/or part, but these elements, component, regions, layers, and/or portions should not be limited only to these terms.These terms are only
It is to be used to distinguish element, component, regions, layers, and/or portions and other element, component, regions, layers, and/or portions.Cause
This, without departing from the teachings of the present invention, the first part that is discussed below, component, regions, layers, and/or portions can be claimed
For second element, component, regions, layers, and/or portions.
Description specific embodiment is only used for used herein of proper noun and is not intended to limit the present invention.Such as institute here
, singular " one ", "one" and "the" are also intended to cover plural form, unless context understands that indicating is other feelings
Condition.It should also be understood that specifying the feature, entirety, step, behaviour when using term "comprising", " comprising " in the description
Make, the presence of element and/or component, but be not excluded for one or more of the other feature, entirety, step, operation, element and/or
The presence of component.
The embodiment of the present invention is described herein with reference to sectional view, these sectional views be the Utopian embodiment of the present invention (and
Configured intermediate) schematic diagram.Thus, since the shape illustrated caused by manufacturing process and/or tolerance is not both it is contemplated that
's.Therefore, the embodiment of the present invention should not be construed as limited by the specific shape of regions illustrated herein, and should include for example due to
The deviation of the shape of manufacture and generation.Region shown in figure itself is only illustrative, their shape is not intended to illustrate
The true form of device, and it is not intended to limit the scope of the present invention.
Unless otherwise defined, all terms (including technical and scientific term) used herein above have with it is of the present invention
The identical meaning of the normally understood meaning of those of ordinary skill institute in field.It is also understood that the institute such as in general dictionary
The term of those of definition, should be interpreted that with the meaning consistent with their meanings in the context of related fields, without
It should be excessively to idealize or excessively formal meaning is explained, unless clearly defining herein.
With reference to the accompanying drawings, a specific embodiment of the invention is described in further detail.
As shown in Figure 1, the stereoscopic schematic diagram of the spherical touch device 10 for one embodiment of the invention.As shown in Fig. 2, for this
Invent the schematic cross-sectional view of the spherical touch device 10 of an embodiment.Spherical touch device 10 includes substrate 14, supporting layer 13, the
One conductive layer 12 and the second conductive layer 15.The substrate 14 is spherical shell shape, and substrate 14 includes 142 He of inner surface being disposed opposite to each other
Outer surface 141, the inner surface 142 are set to the side of the centre of sphere of the substrate 14 close to substrate 14, and the outer surface 141 is set to
The side of the centre of sphere of the substrate 14 far from substrate 14；The supporting layer 13 is set to outer surface 141, and supporting layer 13 is elastic material；
First conductive layer 12 is set to supporting layer 13 far from 14 side of substrate, and the first conductive layer 12 includes multiple electrodes unit 120,
The electrode unit 120 is for sensing touch location；Second conductive layer 15 is set to inner surface 142.
Substrate 14 is the support construction of spherical touch device 10, and substrate 14 can be hard material or flexible material, Yu Yi
In embodiment, the material of substrate 14 can be organic matter, such as polycarbonate (Polycarbonate, PC), polyimides
(Polyimide, PI), polyethylene naphthalate (Polyethylene naphthalate two formic acid
Glycol ester, PEN) polyethylene terephthalate (polyethylene glycol terephthalate, PET)
And cyclic olefin copolymer (Cyclo-olefin polymer, COP)；The material of substrate 14 may be inorganic matter, and such as two
Silica (SiO2).Substrate 14 further includes a via hole 143, and in an embodiment, the quantity of via hole 143 is two, two
Via hole 143 is set to the opposite sides of substrate 14, and the position of two via holes 143 is right generally relative to the spherical shape of substrate 14
Claim.Spherical touch device 10 further includes fixing piece 16, in an embodiment, the quantity of fixing piece 16 and the quantity of via hole 143
Identical, fixing piece 16 is set in via hole 143 for blocking via hole 143 or reinforcing spherical touch device 10, is avoided
Occurs stress breakage at via hole 143.Fixing piece 16 can be elastic material, can be the organic materials such as rubber, silica gel.
Supporting layer 13 is set to outer surface 141, and supporting layer 13 is elastic material, the meeting when supporting layer 13 is by pressed by external force
Deformation occurs, and after the external force for pressing supporting layer 13 is revoked, the shape of supporting layer 13 can be restored to shape when not being pressed
State.In an embodiment, supporting layer 13 can be with materials such as sponge, rubber, silica gel.
First conductive layer 12 is set to supporting layer 13 far from 14 side of substrate, and the first conductive layer 12 includes multiple electrodes unit
120, the first transmission unit 124, the second transmission unit 125 and substrate 126.Substrate 126 is set to supporting layer 13 far from substrate
The surface of 14 sides, multiple electrodes unit 120 are set to surface of the substrate 126 far from supporting layer 13, each first transmission unit
124 and second transmission unit 125 be electrically connected with multiple electrodes unit 120.First conductive layer 12 has touch-control sensing function, can
The spherical 10 received touch-control of institute of touch device is sensed.First conductive layer 12 may include flexible circuit board (Flexible
Printed Circuit, FPC), which can sense touch by the circuit on its surface, the first conductive layer
12 can also have the structure of touch-sensing function for other, these structures should be included at least for sensing the conduction material touched
Material, such as tin indium oxide (INDIUM TIN OXIDE, ITO) or metal grill (Metal Mesh).First conductive layer 12 can be with
Full slice system structure, i.e., a piece of complete first conductive layer 12 are set to 13 surface of supporting layer, and in other embodiments, first is conductive
The quantity of layer 12 can be to be multiple, and the splicing that is connected with each other of multiple first conductive layers 12 is covered in 13 surface of supporting layer, for example, as schemed
Shown in 4, the quantity of the first conductive layer 12 is 6, as shown in figure 5, the quantity of the first conductive layer 12 is 3.
As shown in figure 3, each electrode unit 120 includes at least one 121, second sub electrode 122 of the first sub-electrode
And a switch 123, the first sub-electrode 121 are arranged with the interval of second sub electrode 122, a switch 123 is set to one first
For controlling leading between the first sub-electrode 121 and second sub electrode 122 between sub-electrode 121 and a second sub electrode 122
Logical or disconnection, the first sub-electrode 121 and second sub electrode 122 are conduction material.In an embodiment, the control of switch 123 first
Sub-electrode 121 and second sub electrode 122 disconnect, and the first sub-electrode 121 is with second sub electrode 122 without electric connection, the first son electricity
Exist between pole 121 and second sub electrode 122 and is directed toward another with one in second sub electrode 122 by the first sub-electrode 121
Capacitor.When user's touch-control spherical shape touch device 10, the first sub-electrode of part 121 and part second sub electrode can be made
Charge on 122 shifts, further such that the capacitor between the first sub-electrode of part 121 and part second sub electrode 122
It changes, carries out analyzing the sensing that may be implemented to user's touch location by the variation to this capacitor.One first
Transmission unit 124 and multiple first sub-electrodes 121 are electrically connected, second transmission unit 125 and multiple second sub electrodes 122
It is electrically connected.
Second conductive layer 15 is set to the inner surface 142 of substrate 14.Second conductive layer 15 may include flexible circuit board
(Flexible Printed Circuit, FPC), which can sense touch by the circuit on its surface,
Second conductive layer 15 can also have the structure of touch-sensing function for other, these structures should be included at least and be touched for sensing
Conductive material, such as tin indium oxide (INDIUM TIN OXIDE, ITO) or metal grill (Metal Mesh).Implement in one
In example, first sub-electrode of the control of switch 123 121 is connected with second sub electrode 122, the first sub-electrode 121 and second sub electrode 122
It is electrically connected and keeps making the two potential having the same, it may be provided with identical potential, the first conductive layers for multiple electrodes unit 120
12 and second have the capacitor that another is directed toward by one in the first conductive layer 12 and the second conductive layer 15 between conductive layer 15.
When user presses spherical touch device 10, supporting layer 13 deformation occurs make the first conductive layer 12 and the second conductive layer 15 it
Between distance change, further such that the capacitor between the first conductive layer 12 and the second conductive layer 15 changes, pass through
The variation of this capacitor is carried out to analyze the sensing that may be implemented to user's touch pressure.Second conductive layer 15 further includes one
The ontology of three transmission units 151, third transmission unit 151 and the second conductive layer 15 is electrically connected.
Spherical touch device 10 further includes a central processing element 17, and central processing element 17 is set to spherical touch device
In hollow region in 10, specifically, central processing element 17 is set to the second conductive layer 15 far from 14 side of substrate, centre
Reason element 17 is located substantially at the centre of sphere of substrate 14.In an embodiment, multiple through-holes, the first transmission are provided on fixing piece 16
Unit 124 and the second transmission unit 125 by the through-hole extend to spherical 10 inside of touch device and respectively with central processing
Element 17 is electrically connected, and third transmission unit 151 and central processing element 17 are electrically connected, and central processing element 17 can make the
Two conductive layers 15 are grounded or make the potential zero of the second conductive layer 15.What the first conductive layer 12 and the second conductive layer 15 were sensed
Electric signal is conducted to central processing element 17, and central processing element 17 can be to the telecommunications of the first conductive layer 12 and the second conductive layer 15
It number is analyzed, to realize the judgement to touch location and touch pressure.
Spherical touch device 10 can complete the judgement of touch location and touch pressure in such a way that timesharing drives, that is,
The interior packet touch-control sensing period (TM) of one detecting period (T) and pressure-sensing period (FM), touch-control sensing period (TM) and pressure
Sensing period (FM) is alternately distributed, and can control touch-control sensing period (TM) and pressure by being turned on or off for control switch 123
The switching for sensing period (FM), when switch 123 disconnects, spherical shape touch device 10 is in the touch-control sensing period, when switch 123 is led
Spherical shape touch device 10 is in the pressure-sensing period when logical, and spherical touch device 10 is alternately to touch control operation and pressing operation
Detection.In an embodiment, the duration of touch-control sensing period (TM) account for total period of entire detecting period (T) three/
Two, the duration of pressure-sensing period (FM) accounts for the one third of total period of entire detecting period (T).
Spherical touch device 10 further includes shell 11, and shell 11 includes the first shell 111 and second housing 112, outside first
Shell 111 and 112 structure of second housing are identical and symmetrical, and the first shell 111 and second housing 112 are fastened to form shell
11.Shell 11 is divided the first shell 111 and second housing 112 mutually to fasten can make between shell 11 and other elements
Assembly provides enough operating spaces.
Although the right and non-limiting present invention is only it is appreciated that above-described embodiment is introduced by taking spherical touch device as an example
It can be used for as spherical spherical touch device, it is also possible to apply the invention to other spherical touch devices, such as olive shape touch-control dress
It sets.
Embodiment of above is only used to illustrate the technical scheme of the present invention and not to limit it, although referring to better embodiment pair
The present invention is described in detail, those skilled in the art should understand that, technical solution of the present invention can be carried out
Modification or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of spherical shape touch device characterized by comprising
Substrate, the substrate are spherical shell shape, and the substrate includes the inner surface and the outer surface being disposed opposite to each other, the inner surface setting
In the substrate close to the side of the centre of sphere of the substrate, the outer surface is set to the centre of sphere of the substrate far from the substrate
Side；
Supporting layer, the supporting layer are set to the outer surface, and the supporting layer is elastic material；
First conductive layer, first conductive layer are set to the supporting layer far from the substrate side, first conductive layer
Including multiple electrodes unit, the electrode unit is for sensing touch location；And
Second conductive layer, second conductive layer are set to the inner surface.
2. spherical shape touch device as described in claim 1, it is characterised in that: first conductive layer includes a substrate, described
Substrate is set to surface of the supporting layer far from the substrate, and multiple electrode units are set to the substrate far from described
Supporting layer side.
3. spherical shape touch device as claimed in claim 2, it is characterised in that: the electrode unit includes at least one first son
Electrode and at least one second sub electrode, first sub-electrode and the second sub electrode are conductive material.
4. spherical shape touch device as claimed in claim 3, it is characterised in that: first sub-electrode and the second sub electrode
Interval setting, first sub-electrode and the second sub electrode are without electric connection, first sub-electrode and second son
There is the capacitor that another is directed toward by one in first sub-electrode and the second sub electrode between electrode.
5. spherical shape touch device as claimed in claim 3, it is characterised in that: first sub-electrode and the second sub electrode
It is electrically connected, exists between first conductive layer and second conductive layer by first conductive layer and second conduction
One in layer is directed toward another capacitor.
6. spherical shape touch device as claimed in claim 3, it is characterised in that: first conductive layer further includes the first conduction list
Member and the second conduction unit, first conduction unit and the first sub-electrode electric connection, second conduction unit with it is described
Second sub electrode is electrically connected.
7. such as spherical touch device described in claim 5 or 6, it is characterised in that: the spherical shape touch device further includes at least
One via hole and at least one fixing piece, the via hole run through the substrate, and the fixing piece is at least partially arranged at
In the conducting.
8. spherical shape touch device as claimed in claim 7, it is characterised in that: the spherical shape touch device further includes a centre
Element is managed, the central processing element is set to the substrate far from first conductive layer side, first conduction unit
And second conduction unit is electrically connected by the via hole and the central processing element.
9. spherical shape touch device as claimed in claim 8, it is characterised in that: second conductive layer and central processing member
Part is electrically connected, and the potential of second conductive layer is zero.
10. spherical shape touch device as claimed in claim 8, it is characterised in that: the quantity of first conductive layer be it is multiple, it is more
The splicing that is connected with each other of a first conductive layer is covered in the support layer surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468663.9A CN110187793B (en) | 2019-05-31 | 2019-05-31 | Spherical touch device |
| TW108120954A TWI707259B (en) | 2019-05-31 | 2019-06-17 | Spherical touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468663.9A CN110187793B (en) | 2019-05-31 | 2019-05-31 | Spherical touch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110187793A true CN110187793A (en) | 2019-08-30 |
| CN110187793B CN110187793B (en) | 2022-10-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910468663.9A Active CN110187793B (en) | 2019-05-31 | 2019-05-31 | Spherical touch device |
Country Status (2)
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| CN (1) | CN110187793B (en) |
| TW (1) | TWI707259B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI796164B (en) * | 2022-03-11 | 2023-03-11 | 黃智淵 | Elastic lamp ball and operation method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI707259B (en) | 2020-10-11 |
| CN110187793B (en) | 2022-10-18 |
| TW202046075A (en) | 2020-12-16 |
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