CN106325617B - A kind of electronic device, detection device and detection method - Google Patents
A kind of electronic device, detection device and detection method Download PDFInfo
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- CN106325617B CN106325617B CN201510330098.1A CN201510330098A CN106325617B CN 106325617 B CN106325617 B CN 106325617B CN 201510330098 A CN201510330098 A CN 201510330098A CN 106325617 B CN106325617 B CN 106325617B
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Abstract
The invention discloses a kind of electronic devices, comprising: emitting mould train sends signal at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group；First receiving module, for receiving the first ultrasound feedback signal after the reflection of the first area；Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body from when operating body is not present in first corresponding region described in the first ultrasound feedback signal it is different；The first surface and the second surface are the opposite outer surfaces of the contact mould group, and first corresponding region is the region be overlapped on the direction that first ultrasonic wave sends signal with the first area in the second surface.Meanwhile the invention also discloses a kind of detection device and detection methods.Using technical solution of the present invention, the requirement to touching object can be reduced, multi-point touch is realized, improves the experience of user.
Description
Technical field
The present invention relates to field of electronic devices, and in particular to a kind of electronic device, detection device and detection method.
Background technique
With the development of touch screen technology, electronic equipment such as mobile phone, plate, laptop, TV with touch screen
Deng having progressed into people's lives.Currently, conventional, electric-resistance formula touch screen and capacitive touch screen are most widely used.
Conventional, electric-resistance formula touch screen can only carry out the touch-control of single point.Capacitive touch screen is to stick the spy of layer of transparent in glass surface
Different metallic conduction substance, when finger touches on the metal layer, the capacitor of contact will change, so that the vibration being attached thereto
It swings device frequency to change, can determine that touch location obtains information by measurement frequency variation.Since capacitor is with temperature, humidity
Or Grounding difference and change, therefore its stability is poor, often generates drift phenomenon.Although capacitive touch screen is supported
Multiple point touching, still, when touching more than more than two o'clock, part touch chip can not correctly judge to use because XY coordinate intersects
The position that family really touches, to generate terrible point.In addition, capacitive touch screen can only utilize dedicated writing pencil or human body (such as hand
Finger, palm etc.) carry out input operation.
Summary of the invention
In view of this, can reduce to touch objects present invention contemplates that provide a kind of electronic device, detection device and detection method
The requirement of body, really realizes multi-point touch, improves the usage experience of user.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The present invention provides a kind of electronic devices, comprising:
Emitting mould train sends letter at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group
Number；
First receiving module, for receiving the first ultrasound feedback signal after the reflection of the first area；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；The first surface and the second surface are described connect
The opposite outer surface of touch group, and first corresponding region is in the second surface, with the first area described the
The region being overlapped on the direction of one ultrasonic wave transmission signal.
In above scheme, it is preferable that the emitting mould train between the contact mould group and first receiving module,
And first ultrasound feedback signal can penetrate the emitting mould train and reach first receiving module.
In above scheme, it is preferable that the electronic device further include:
Mould group is handled, for obtaining the first ultrasound feedback signal, judges whether the first ultrasound feedback signal is full
Sufficient preset condition, if it is satisfied, then determining that there are operating bodies for the first corresponding region.
In above scheme, it is preferable that the preset condition are as follows: the intensity value of the first ultrasound feedback signal is less than or equal to the
One parameter preset threshold value.
In above scheme, it is preferable that the preset condition are as follows:
Compared with the first ultrasonic wave sends signal, the amplitude of variation of the first ultrasound feedback signal is more than or equal to the second threshold
Value.
In above scheme, it is preferable that the emitting mould train is also used to emit second to the second area of the first surface
Ultrasonic wave sends signal；
Second receiving module, for receiving the second ultrasound feedback signal after second area reflection；
Wherein, the second corresponding region there are the second ultrasound feedback signal described in when operating body with work as the described second corresponding area
Second ultrasound feedback signal described in when domain is not present operating body is different；Second corresponding region be the second surface in,
With the second area on the direction that second ultrasonic wave sends signal be overlapped region, and the first area with it is described
Second area is not overlapped in the first surface, and first corresponding region and second corresponding region are in second table
It is not overlapped in face.
In above scheme, it is preferable that the emitting mould train includes at least the first transmitting submodule group and the second transmitting submodule group,
The first transmitting submodule group emits first ultrasonic wave towards the first area and sends signal；
The second transmitting submodule group emits second ultrasonic wave towards the second area and sends signal.
In above scheme, it is preferable that the emitting mould train includes at least first part and second part,
The first part sends signal for generating the first ultrasonic wave, and the first area is located at first ultrasound
The range of transmission of wave transmission signal；
The second part sends signal for generating the second ultrasonic wave, and the second area is located at second ultrasound
The range of transmission of wave transmission signal.
In above scheme, it is preferable that the emitting mould train includes the first assembly set gradually, the second component and third group
Part, distance of the first assembly apart from the first surface are less than distance of the third component apart from the first surface；
The first assembly includes first electrode layer；
The third component includes the second electrode lay；
The first electrode layer and the second electrode lay can at least trigger second component movement according to electric signal,
And it generating ultrasonic wave and sends signal, wherein emitting mould train part corresponding with the first area is the first part,
Emitting mould train part corresponding with the second area is the second part.
In above scheme, it is preferable that the processing mould group is also used to: when obtaining N number of ultrasound feedback signal, judgement is not
Which region the ultrasound feedback signal for being same as other ultrasound feedback signals belongs to, and determining should be the corresponding to which region
There are operating bodies for several corresponding regions；Wherein, the N is more than or equal to 3.
In above scheme, it is preferable that the electronic device further include:
Display device, for showing image, wherein the emitting mould train is located at the contact mould group and the display device
Between；
Light transmittance of the emitting mould train on the display direction of display device is more than first threshold, so that the display
Light can be seen by the user outside the contact mould group.
In above scheme, it is preferable that the display device includes:
Illuminating module, for generating original light；
Color mould group, including colors component array, for enabling the original light according to control switching display state
Display light corresponding with pre-display image is formed by the color mould group；
Mould group, including control assembly array are controlled, is corresponded with the colors component array, for controlling the color
Assembly array.
In above scheme, it is preferable that first receiving module is corresponding with the first control assembly in the control mould group
Setting, comprising:
First receiving module is connected by the first connector with the first end of first control assembly；Wherein,
First connector is used to the first ultrasound feedback signal being converted to the first excitation potential；
And the second end of first control assembly is connected with the third component of the emitting mould train by via hole, it is described
The third end of first control assembly is connected with the first colors component in the color mould group.
In above scheme, it is preferable that the processing mould group is also used to control generation electric signal, so that the emitting mould train
Ultrasonic wave, which is generated, according to the electric signal sends signal.
The present invention also provides a kind of detection devices, comprising:
Emitting mould train, for generating ultrasonic wave and sending signal according to electric signal, and at least to the first surface of contact mould group
First area emit the first ultrasonic wave send signal；
Receiving module, at least receiving the first ultrasound feedback signal after the reflection of the first area；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；The first surface and the second surface are described connect
The opposite outer surface of touch group, and first corresponding region is in the second surface, with the first area described the
The region being overlapped on the direction of one ultrasonic wave transmission signal.
The present invention also provides a kind of detection methods, which comprises
At least emit the first ultrasonic wave to the first area of the first surface of contact mould group and sends signal；
At least receive the first ultrasound feedback signal after the reflection of the first area；
Judge whether the first ultrasound feedback signal meets preset condition, if it is satisfied, then determining the first corresponding area
There are operating bodies in domain；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；The first surface and the second surface are described connect
The opposite outer surface of touch group, and first corresponding region is in the second surface, with the first area described the
The region being overlapped on the direction of one ultrasonic wave transmission signal.
In above scheme, it is preferable that the method also includes:
Emit the second ultrasonic wave to the second area of the first surface and sends signal；
Receive the second ultrasound feedback signal after second area reflection；
Wherein, the second corresponding region there are the second ultrasound feedback signal described in when operating body with work as the described second corresponding area
Second ultrasound feedback signal described in when domain is not present operating body is different；Second corresponding region be the second surface in,
With the second area on the direction that second ultrasonic wave sends signal be overlapped region, and the first area with it is described
Second area is not overlapped in the first surface, and first corresponding region and second corresponding region are in second table
It is not overlapped in face.
In above scheme, it is preferable that described at least to the first ultrasound of first area transmitting of the first surface of contact mould group
Wave sends signal, comprising:
The first ultrasonic wave, which is generated, according to electric signal sends signal.
In above scheme, it is preferable that there are after operating body for first corresponding region of determination, comprising:
Contact position is determined based on first corresponding region.
Technical solution of the present invention gives a kind of completely new touch screen realization using ultrasonic wave principle detection contact position
Mode can reduce the requirement to touching object, really realize multi-point touch, improve the usage experience of user.
Detailed description of the invention
Fig. 1 is the signal provided in an embodiment of the present invention for occurring to detect contact position with reflection receivable principle based on ultrasonic wave
Figure；
Fig. 2 is the composed structure schematic diagram one of electronic device provided in an embodiment of the present invention；
Fig. 3 is the composed structure schematic diagram two of electronic device provided in an embodiment of the present invention；
Fig. 4 is the composed structure schematic diagram of emitting mould train provided in an embodiment of the present invention；
Fig. 5 is the composed structure schematic diagram three of electronic device provided in an embodiment of the present invention；
Fig. 6 is the composed structure schematic diagram of display device provided in an embodiment of the present invention；
Fig. 7 is the composed structure schematic diagram four of electronic device provided in an embodiment of the present invention；
Fig. 8 is the composed structure schematic diagram of detection device provided in an embodiment of the present invention；
Fig. 9 is the implementation process schematic diagram of detection method of the embodiment of the present invention.
Specific embodiment
The invention proposes a kind of completely new touch screen implementations using ultrasonic wave principle detection contact position.In order to more preferable
Ground understands the present invention, introduces the basic principle of ultrasonic wave first.
Ultrasonic wave is similar with the propagation principle of light wave, follows Si Naier refraction principle, principle of reflection etc..Also, ultrasound
Wave has penetrability to object, especially has preferable penetrability to tissue.
These principles that the present invention is followed using ultrasonic wave are devised and are occurred and reflection receivable principle based on ultrasonic wave
Touch screen scheme.Fig. 1 is provided in an embodiment of the present invention based on ultrasonic wave generation and reflection receivable principle detection contact position
Schematic diagram, impedance is larger in air for ultrasonic wave, when the upper surface of touch panel does not have object touching, ultrasonic wave almost all
It reflects；When there is object touching, ultrasonic wave will penetrate the object and be predominantly absorbed part energy, reflected super
Acoustic wave energy relative weak；And then according to the power of reflected ultrasonic energy to determine whether there is touch (touch) life
It enables.
The technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
Embodiment one
Fig. 2 is the composed structure schematic diagram one of electronic device provided in an embodiment of the present invention, as shown in Fig. 2, the electronics
Device, comprising:
Emitting mould train 21 sends letter at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group
Number；
First receiving module 22, for receiving the first ultrasound feedback signal after the reflection of the first area；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；
The first surface and the second surface are the opposite outer surfaces of the contact mould group, and described first corresponds to area
Domain is the region be overlapped on the direction that first ultrasonic wave sends signal with the first area in the second surface.
Specifically, the contact mould group can be protection glass (also referred to as glass cover).
Specifically, the first surface of the contact mould group refers to lower surface, and the second surface of the contact mould group refers to
Surface.
Here, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different, it is possible to understand that are as follows:
It is less than that there is no described in when operating body the there are the signal strength of the first ultrasound feedback signal described in when operating body
The signal strength of one ultrasound feedback signal.
Preferably, few quantity space may be needed between the emitting mould train and the contact mould group, in order to the hair
Penetrate the movement of mould group.
Electronic device described in the present embodiment, can be used to detect whether specific position (i.e. the position of the first corresponding region) to have touching
Event is touched, such as detecting whether touch key-press is triggered.
Embodiment two
Fig. 3 is the composed structure schematic diagram two of electronic device provided in an embodiment of the present invention, as shown in figure 3, the electronics
Device, comprising:
Emitting mould train 21 sends letter at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group
Number；It is also used to emit the second ultrasonic wave to the second area of the first surface and sends signal；
First receiving module 22, for receiving the first ultrasound feedback signal after the reflection of the first area；
Second receiving module 23, for receiving the second ultrasound feedback signal after second area reflection；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；The first surface and the second surface are described connect
The opposite outer surface of touch group, and first corresponding region is in the second surface, with the first area described the
The region being overlapped on the direction of one ultrasonic wave transmission signal.
Wherein, the second corresponding region there are the second ultrasound feedback signal described in when operating body with work as the described second corresponding area
Second ultrasound feedback signal described in when domain is not present operating body is different；Second corresponding region be the second surface in,
With the second area on the direction that second ultrasonic wave sends signal be overlapped region, and the first area with it is described
Second area is not overlapped in the first surface, and first corresponding region and second corresponding region are in second table
It is not overlapped in face.
Specifically, the contact mould group can be protection glass.
Specifically, the first surface of the contact mould group refers to lower surface, and the second surface of the contact mould group refers to
Surface.
Here, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different, it is possible to understand that are as follows:
It is less than that there is no described in when operating body the there are the signal strength of the first ultrasound feedback signal described in when operating body
The signal strength of one ultrasound feedback signal.
It should be noted that the first surface of contact mould group may include multiple regions, such as first area, second area,
Each region of the first surface can receive ultrasonic wave and send signal, also can send signal to received ultrasonic wave
It is fed back.Correspondingly, the second surface of the contact mould group may include multiple corresponding regions, such as the first corresponding region, second
Corresponding region etc., when corresponding region is smaller, the region of response operating body touch operation also becomes smaller therewith.
Here it is possible to the smallest by identifying, perhaps lower than threshold value or identify by becoming smaller equal various ways the
There are operating bodies for which or which corresponding region on two surfaces.
For example, determining that there are operating bodies for corresponding region corresponding to the smallest ultrasound feedback signal of signal strength；Alternatively,
Determine that there are operating bodies for corresponding region corresponding to ultrasound feedback signal of the signal strength lower than threshold value；Alternatively, determining different
There are operating bodies for the corresponding region corresponding to the ultrasound feedback signal of other ultrasound feedback signals.
Preferably, few quantity space may be needed between the emitting mould train and the contact mould group, in order to the hair
Penetrate the movement of mould group.
It should be noted that the electronic device can identify that there is operation in which region according to the detection of multiple regions
Body, although above-mentioned be only illustrated with first area, second area, the first corresponding region, the second corresponding region, however, it is possible to
Matrix form arrangement multiple regions, for example, the emitting mould train can be made of transmitting submodule group pattern；Correspondingly, for connecing
The receiving module for receiving ultrasound feedback signal can be made of reception submodule group pattern.In this way, the electronic device can realize pen
Remember this function of touchpad.
Specifically, the emitting mould train 21 includes at least the first transmitting submodule group 211 and the second transmitting submodule group 222,
The first transmitting submodule group 211 emits first ultrasonic wave towards the first area and sends signal；
The second transmitting submodule group 222 emits second ultrasonic wave towards the second area and sends signal.
It should be noted that the first transmitting submodule group 211 and the second transmitting submodule group 222 are mutually indepedent
's.
That is, the emitting mould train can be made of transmitting submodule group pattern；Correspondingly, anti-for receiving ultrasonic wave
The receiving module of feedback signal can be made of reception submodule group pattern.For example, the transmitting submodule group can be the first transmitting
Mould group, the second transmitting submodule group ..., M transmitting submodule group etc., the receiving module can be the first receiving module, second connects
Receive mould group ..., N receiving module etc..Wherein, described M, N are positive integer, and the M value can be equal with N value, can also not
It is equal.
Embodiment three
A kind of electronic device, comprising:
Emitting mould train 21 sends letter at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group
Number；It is also used to emit the second ultrasonic wave to the second area of the first surface and sends signal；
First receiving module 22, for receiving the first ultrasound feedback signal after the reflection of the first area；
Second receiving module 23, for receiving the second ultrasound feedback signal after second area reflection；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；The first surface and the second surface are described connect
The opposite outer surface of touch group, and first corresponding region is in the second surface, with the first area described the
The region being overlapped on the direction of one ultrasonic wave transmission signal.
Wherein, the second corresponding region there are the second ultrasound feedback signal described in when operating body with work as the described second corresponding area
Second ultrasound feedback signal described in when domain is not present operating body is different；Second corresponding region be the second surface in,
With the second area on the direction that second ultrasonic wave sends signal be overlapped region, and the first area with it is described
Second area is not overlapped in the first surface, and first corresponding region and second corresponding region are in second table
It is not overlapped in face.
Specifically, the contact mould group can be protection glass.
Specifically, the first surface of the contact mould group refers to lower surface, and the second surface of the contact mould group refers to
Surface.
Here, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different, it is possible to understand that are as follows:
It is less than that there is no described in when operating body the there are the signal strength of the first ultrasound feedback signal described in when operating body
The signal strength of one ultrasound feedback signal.
Preferably, few quantity space may be needed between the emitting mould train and the contact mould group, in order to the hair
Penetrate the movement of mould group.
Specifically, the emitting mould train 21 includes at least first part and second part,
The first part sends signal for generating the first ultrasonic wave, and the first area is located at first ultrasound
The range of transmission of wave transmission signal；
The second part sends signal for generating the second ultrasonic wave, and the second area is located at second ultrasound
The range of transmission of wave transmission signal.
It should be noted that the emitting mould train 21 is existing as a whole, the first part and described the
Two parts are the component part of the emitting mould train 21.
For example, the emitting mould train can be whole piece piezoelectric membrane.
Fig. 4 is the composed structure schematic diagram of emitting mould train provided in an embodiment of the present invention, as shown in figure 4, the transmitting mould
Group 21 includes the first assembly 21a, the second component 21b and third component 21c set gradually, and the first assembly 21a is apart from institute
The distance for stating first surface is less than distance of the third component 21c apart from the first surface；
The first assembly 21a includes first electrode layer；
The third component 21b includes the second electrode lay；
The first electrode layer and the second electrode lay can at least trigger the second component 21b fortune according to electric signal
It is dynamic, and generate ultrasonic wave and send signal, wherein the emitting mould train 21 part corresponding with the first area is described first
Part, emitting mould train part corresponding with the second area are the second part.
Specifically, the first electrode layer can be understood as the electrode layer positioned at upper layer, the second electrode lay can be managed
Solution is positioned at the electrode layer of lower layer.
The first electrode layer and the second electrode lay can at least trigger the second component 21b fortune according to electric signal
It is dynamic, may include following situations:
The first assembly 21a and the second component 21b mono- start shipment start or the first assembly 21c with it is described
Second component 21b mono-, which is started shipment, to be started or the first assembly 21a and the second component 21b and the third component 21c mono-
It starts shipment and starts；
Also, it during exercise, relatively independent can move, can also move synchronously.
Example IV
Fig. 5 is the composed structure schematic diagram three of electronic device provided in an embodiment of the present invention, as shown in figure 5, the electronics
Device, comprising:
Emitting mould train 21 sends letter at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group
Number；It is also used to emit the second ultrasonic wave to the second area of the first surface and sends signal；
First receiving module 22, for receiving the first ultrasound feedback signal after the reflection of the first area；
Display device 24, for showing image, wherein the emitting mould train 21 is located at the contact mould group and the display
Between device 24；
Wherein, light transmittance of the emitting mould train 21 on the display direction of display device 24 is more than first threshold, so that
The display light can be seen by the user outside the contact mould group.
Electronic device described in the present embodiment is particularly suitable for the design of touch screen, the design for touch screen, emitting mould train,
Receiving module when being detected, does not influence the display of display device；Meanwhile the display of display device nor affects on emitting mould train
And the detection of receiving module, so, light transmittance of the emitting mould train on the display direction of display device requires more than first
Threshold value enables the display light to be seen by the user outside the contact mould group.
Specifically, the first threshold can be any one numerical value in 50% to 99.9%, for example, 60%, 80%,
90% etc..Preferably, the first threshold can be 80%.
Preferably, the electronic device can also include:
Second receiving module 23, for receiving the second ultrasound feedback signal after second area reflection；
Correspondingly, the emitting mould train 21, is also used to emit the second ultrasonic wave hair to the second area of the first surface
The number of delivering letters；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；The first surface and the second surface are described connect
The opposite outer surface of touch group, and first corresponding region is in the second surface, with the first area described the
The region being overlapped on the direction of one ultrasonic wave transmission signal.
Wherein, the second corresponding region there are the second ultrasound feedback signal described in when operating body with work as the described second corresponding area
Second ultrasound feedback signal described in when domain is not present operating body is different；Second corresponding region be the second surface in,
With the second area on the direction that second ultrasonic wave sends signal be overlapped region, and the first area with it is described
Second area is not overlapped in the first surface, and first corresponding region and second corresponding region are in second table
It is not overlapped in face.
Specifically, the contact mould group can be protection glass.
Specifically, the first surface of the contact mould group refers to lower surface, and the second surface of the contact mould group refers to
Surface.
Here, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different, it is possible to understand that are as follows:
It is less than that there is no described in when operating body the there are the signal strength of the first ultrasound feedback signal described in when operating body
The signal strength of one ultrasound feedback signal.
Preferably, few quantity space may be needed between the emitting mould train and the contact mould group, in order to the hair
Penetrate the movement of mould group.
Specifically, the emitting mould train 21 includes at least first part and second part,
The first part sends signal for generating the first ultrasonic wave, and the first area is located at first ultrasound
The range of transmission of wave transmission signal；
The second part sends signal for generating the second ultrasonic wave, and the second area is located at second ultrasound
The range of transmission of wave transmission signal.
It should be noted that the emitting mould train 21 is existing as a whole, the first part and described the
Two parts are the component part of the emitting mould train 21.
Preferably, the emitting mould train 21 includes the first assembly 21a, the second component 21b and third component set gradually
The distance of 21c, the first assembly 21a apart from the first surface is less than the third component 21c apart from the first surface
Distance；
The first assembly 21a includes first electrode layer；
The third component 21b includes the second electrode lay；
The first electrode layer and the second electrode lay can at least trigger the second component 21b fortune according to electric signal
It is dynamic, and generate ultrasonic wave and send signal, wherein the emitting mould train 21 part corresponding with the first area is described first
Part, emitting mould train part corresponding with the second area are the second part.
Specifically, the first electrode layer can be understood as the electrode layer positioned at upper layer, the second electrode lay can be managed
Solution is positioned at the electrode layer of lower layer.
The first electrode layer and the second electrode lay can at least trigger the second component 21b fortune according to electric signal
It is dynamic, may include following situations:
The first assembly 21a and the second component 21b mono- start shipment start or the first assembly 21c with it is described
Second component 21b mono-, which is started shipment, to be started or the first assembly 21a and the second component 21b and the third component 21c mono-
It starts shipment and starts；
Also, it during exercise, relatively independent can move, can also move synchronously.
Specifically, the first assembly 21a and third component 21c can be transparent electrode, and the second component 21b can
To be transparent piezoelectric membrane.
Embodiment five
Fig. 6 is the composed structure schematic diagram of display device provided in an embodiment of the present invention, as shown in fig. 6, the display fills
Setting 24 includes:
Illuminating module 241, for generating original light；
Color mould group 242, including colors component (pixel) array, for switching display state according to control, so that described
Original light can form display light corresponding with pre-display image by the color mould group；；
Mould group 243, including control assembly array are controlled, for corresponding with the colors component array, for controlling
The colors component array.
Specifically, the control assembly array can be and the one-to-one thin film transistor (TFT) of pixel (TFT, Thin Film
Transistor)。
In order to reduce the thickness of touch screen, the display device and electronic device can be subjected to Combined design.
Preferably, the first receiving module 22 in electronic device and the first control assembly pair in the control mould group 243
It should be arranged, wherein the first receiving module 22 is used to receive the first ultrasound feedback signal after the reflection of the first area.
Specifically, first receiving module 22 is correspondingly arranged with the first control assembly in the control mould group 243, is wrapped
It includes:
First receiving module 22 is connected by the first connector with the first end of first control assembly；Its
In, first connector is used to the first ultrasound feedback signal being converted to the first excitation potential；
And the second end of first control assembly is connected with the third component of the emitting mould train 21 by via hole, institute
The third end for stating the first control assembly is connected with the first colors component in the color mould group 242；Wherein, emitting mould train 21
Signal is sent at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group.
Preferably, the via hole is filled with conductive materials.
Embodiment six
Fig. 7 is the composed structure schematic diagram four of electronic device provided in an embodiment of the present invention, as shown in fig. 7, the electronics
Device, comprising:
Emitting mould train 21 sends letter at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group
Number；It is also used to emit the second ultrasonic wave to the second area of the first surface and sends signal；
First receiving module 22, for receiving the first ultrasound feedback signal after the reflection of the first area；
Display device 24, for showing image, wherein the emitting mould train 21 is located at the contact mould group and the display
Between device 24；
Mould group 25 is handled, generates electric signal for controlling, so that the emitting mould train 21 is super according to electric signal generation
Sound wave sends signal.
Specifically, it when the display device 24 is in display working condition, is controlled by the processing mould group 25 and generates institute
State electric signal.
In this way, the electronic device just starts detection lighting screen, system power dissipation can be saved.
Here, it should be noted that, can also when the display device 24 is not in display working condition (when such as blank screen)
To generate the electric signal by the processing mould group 25 control；In this way, the touch that can respond operating body under black state is defeated
Enter.
When being in display working condition due to the display device 24 and in non-display working condition, the touch of user
Demand is different, and therefore, the operating mode of electronic device is also different.
For example, electronic device is in the first operating mode, in institute when the display device 24 is in display working condition
It states under the first operating mode, all areas that can dock the second surface of touch group are detected, and detection accuracy is high；When described
When display device 24 is in non-display working condition, electronic device is in the second operating mode, in the second mode of operation,
Only the partial region of the second surface of docking touch group is detected, and detection accuracy is lower.
That is, display device, under non-display working condition, electronic device is only to the received of part receiving module
Ultrasound feedback signal data is analyzed.The part receiving module can be the array of larger interval, be also possible to specific
Region etc..
Preferably, the processing mould group 25, is also used to obtain the first ultrasound feedback signal, judges first ultrasonic wave
Whether feedback signal meets preset condition, if it is satisfied, then determining that there are operating bodies for the first corresponding region.
Preferably, the preset condition are as follows: the intensity value of the first ultrasound feedback signal is less than or equal to the first parameter preset
Threshold value.
Preferably, the preset condition can be with are as follows:
Compared with the first ultrasonic wave sends signal, the amplitude of variation of the first ultrasound feedback signal is more than or equal to the second threshold
Value.
Preferably, the processing mould group 25, is also used to: when obtaining N number of ultrasound feedback signal, judging super different from other
Which region the ultrasound feedback signal of sound wave feedback signal belongs to, and determining should which corresponding region corresponding to which region
There are operating bodies；Wherein, the N is more than or equal to 3.
Preferably, the electronic device can also include:
Second receiving module 23, for receiving the second ultrasound feedback signal after second area reflection；
Correspondingly, the emitting mould train 21, is also used to emit the second ultrasonic wave hair to the second area of the first surface
The number of delivering letters；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；The first surface and the second surface are described connect
The opposite outer surface of touch group, and first corresponding region is in the second surface, with the first area described the
The region being overlapped on the direction of one ultrasonic wave transmission signal.
Wherein, the second corresponding region there are the second ultrasound feedback signal described in when operating body with work as the described second corresponding area
Second ultrasound feedback signal described in when domain is not present operating body is different；Second corresponding region be the second surface in,
With the second area on the direction that second ultrasonic wave sends signal be overlapped region, and the first area with it is described
Second area is not overlapped in the first surface, and first corresponding region and second corresponding region are in second table
It is not overlapped in face.
Specifically, the contact mould group can be protection glass.
Specifically, the first surface of the contact mould group refers to lower surface, and the second surface of the contact mould group refers to
Surface.
Here, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different, it is possible to understand that are as follows:
It is less than that there is no described in when operating body the there are the signal strength of the first ultrasound feedback signal described in when operating body
The signal strength of one ultrasound feedback signal.
Preferably, few quantity space may be needed between the emitting mould train and the contact mould group, in order to the hair
Penetrate the movement of mould group.
Preferably, the emitting mould train 21 includes the first assembly 21a, the second component 21b and third component set gradually
The distance of 21c, the first assembly 21a apart from the first surface is less than the third component 21c apart from the first surface
Distance；
The first assembly 21a includes first electrode layer；
The third component 21b includes the second electrode lay；
The first electrode layer and the second electrode lay can at least trigger the second component 21b fortune according to electric signal
It is dynamic, and generate ultrasonic wave and send signal, wherein the emitting mould train 21 part corresponding with the first area is described first
Part, emitting mould train part corresponding with the second area are the second part.
Specifically, the first electrode layer can be understood as the electrode layer positioned at upper layer, the second electrode lay can be managed
Solution is positioned at the electrode layer of lower layer.
The first electrode layer and the second electrode lay can at least trigger the second component 21b fortune according to electric signal
It is dynamic, may include following situations:
The first assembly 21a and the second component 21b mono- start shipment start or the first assembly 21c with it is described
Second component 21b mono-, which is started shipment, to be started or the first assembly 21a and the second component 21b and the third component 21c mono-
It starts shipment and starts；
Also, it during exercise, relatively independent can move, can also move synchronously.
Specifically, the first assembly 21a and third component 21c can be transparent electrode, and the second component 21b can
To be transparent piezoelectric membrane.
Embodiment seven
Fig. 8 is the composed structure schematic diagram of detection device provided in an embodiment of the present invention, as shown in figure 8, the detection fills
It sets, comprising:
Emitting mould train 21, for generating ultrasonic wave and sending signal according to electric signal, and at least to the first table of contact mould group
The first area in face emits the first ultrasonic wave and sends signal；
Receiving module 26, at least receiving the first ultrasound feedback signal after the reflection of the first area；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；The first surface and the second surface are described connect
The opposite outer surface of touch group, and first corresponding region is in the second surface, with the first area described the
The region being overlapped on the direction of one ultrasonic wave transmission signal.
Specifically, the receiving module 26 may include the first receiving module 22 described above, second receiving module 23 etc.,
Details are not described herein.
Embodiment eight
Fig. 9 is the implementation process schematic diagram of detection method of the embodiment of the present invention, is applied in the first equipment, in the present invention one
In a preferred embodiment, the detection method is mainly comprised the steps that
Step 901: at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group and send signal.
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with work as the described first corresponding area
First ultrasound feedback signal described in when domain is not present operating body is different；The first surface and the second surface are described connect
The opposite outer surface of touch group, and first corresponding region is in the second surface, with the first area described the
The region being overlapped on the direction of one ultrasonic wave transmission signal.
It is preferably, described at least to emit the first ultrasonic wave transmission signal to the first area of the first surface of contact mould group,
Include:
The first ultrasonic wave, which is generated, according to electric signal sends signal.
Specifically, it when electronic device powers on, generates the first ultrasonic wave and sends signal.
Step 902: at least receiving the first ultrasound feedback signal after the reflection of the first area.
Step 903: judging whether the first ultrasound feedback signal meets preset condition, if it is satisfied, then determining the
There are operating bodies for one corresponding region.
Preferably, there are after operating body for first corresponding region of determination, comprising:
Contact position is determined based on first corresponding region.
In above scheme, it is preferable that the method also includes:
Emit the second ultrasonic wave to the second area of the first surface and sends signal；
Receive the second ultrasound feedback signal after second area reflection；
Wherein, the second corresponding region there are the second ultrasound feedback signal described in when operating body with work as the described second corresponding area
Second ultrasound feedback signal described in when domain is not present operating body is different；Second corresponding region be the second surface in,
With the second area on the direction that second ultrasonic wave sends signal be overlapped region, and the first area with it is described
Second area is not overlapped in the first surface, and first corresponding region and second corresponding region are in second table
It is not overlapped in face.
The present embodiment the method can be applied to have in the equipment of touch screen, and the touch screen is using ultrasonic wave original
Manage the touch screen of design.
For example, the electronic equipment can be mobile phone, plate, laptop, TV etc..
The present embodiment the method supports multiple point touching, can really realize multi-point touch；Moreover, not by touching object
Property influence, the requirement to touching object can be reduced, the operating bodies such as finger, nail, common pencil can easily realize touching
Touch induction.
In several embodiments provided by the present invention, it should be understood that disclosed method, apparatus and electronic equipment,
It may be implemented in other ways.Apparatus embodiments described above are merely indicative, for example, the unit is drawn
Point, only a kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can
To combine, or it is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed
The mutual coupling of each component part or direct-coupling or communication connection can be through some interfaces, equipment or unit
Indirect coupling or communication connection can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit
The component shown can be or may not be physical unit, it can and it is in one place, it may be distributed over multiple network lists
In member；Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated in one processing unit, it can also
To be each unit individually as a unit, can also be integrated in one unit with two or more units；It is above-mentioned
Integrated unit both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned include: movable storage device, it is read-only
Memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or
The various media that can store program code such as person's CD.
If alternatively, the above-mentioned integrated unit of the embodiment of the present invention is realized in the form of software function module and as independence
Product when selling or using, also can store in a computer readable storage medium.Based on this understanding, this hair
Substantially the part that contributes to existing technology can body in the form of software products in other words for the technical solution of bright embodiment
Reveal and, which is stored in a storage medium, including some instructions are with so that a computer is set
Standby (can be personal computer, server or network equipment etc.) executes the whole of each embodiment the method for the present invention
Or part.And storage medium above-mentioned includes: that movable storage device, ROM, RAM, magnetic or disk etc. are various can store journey
The medium of sequence code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (19)
1. a kind of electronic device, comprising:
Emitting mould train sends signal at least emitting the first ultrasonic wave to the first area of the first surface of contact mould group；
First receiving module, for receiving the first ultrasound feedback signal after the reflection of the first area；
Wherein, the emitting mould train is between the contact mould group and first receiving module or the emitting mould train position
Between the contact mould group and display device；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with when first corresponding region not
There are the first ultrasound feedback signal described in when operating body is different；The first surface and second surface are the contact mould group phases
Anti- outer surface, and first corresponding region is in the second surface, with the first area in first ultrasonic wave
Send the region being overlapped on the direction of signal.
2. electronic device according to claim 1, which is characterized in that the first ultrasound feedback signal can penetrate the transmitting
Mould group reaches first receiving module.
3. electronic device according to claim 1, which is characterized in that the electronic device further include:
Mould group is handled, for obtaining the first ultrasound feedback signal, it is pre- to judge whether the first ultrasound feedback signal meets
If condition, if it is satisfied, then determining that there are operating bodies for the first corresponding region.
4. electronic device according to claim 3, which is characterized in that the preset condition are as follows: the first ultrasound feedback letter
Number intensity value be less than or equal to the first parameter preset threshold value.
5. electronic device according to claim 3, which is characterized in that the preset condition are as follows:
Compared with the first ultrasonic wave sends signal, the amplitude of variation of the first ultrasound feedback signal is more than or equal to second threshold.
6. electronic device according to claim 3, which is characterized in that
The emitting mould train is also used to emit the second ultrasonic wave transmission signal to the second area of the first surface；
Second receiving module, for receiving the second ultrasound feedback signal after second area reflection；
Wherein, the second corresponding region there are the second ultrasound feedback signal described in when operating body with when second corresponding region not
There are the second ultrasound feedback signal described in when operating body is different；Second corresponding region is in the second surface, with institute
State the region that second area is overlapped on the direction that second ultrasonic wave sends signal, and the first area and described second
Region is not overlapped in the first surface, and first corresponding region and second corresponding region are in the second surface
It is not overlapped.
7. electronic device according to claim 6, which is characterized in that
The emitting mould train includes at least the first transmitting submodule group and the second transmitting submodule group,
The first transmitting submodule group emits first ultrasonic wave towards the first area and sends signal；
The second transmitting submodule group emits second ultrasonic wave towards the second area and sends signal.
8. electronic device according to claim 6, which is characterized in that
The emitting mould train includes at least first part and second part,
The first part sends signal for generating the first ultrasonic wave, and the first area is located at first ultrasonic wave hair
The range of transmission for the number of delivering letters；
The second part sends signal for generating the second ultrasonic wave, and the second area is located at second ultrasonic wave hair
The range of transmission for the number of delivering letters.
9. electronic device according to claim 8, which is characterized in that
The emitting mould train includes the first assembly set gradually, the second component and third component, and the first assembly is apart from institute
The distance for stating first surface is less than distance of the third component apart from the first surface；
The first assembly includes first electrode layer；
The third component includes the second electrode lay；
The first electrode layer and the second electrode lay can at least trigger second component movement, and raw according to electric signal
Signal is sent at ultrasonic wave, wherein emitting mould train part corresponding with the first area is the first part, described
Emitting mould train part corresponding with the second area is the second part.
10. electronic device according to claim 6, which is characterized in that the processing mould group is also used to: obtaining N number of ultrasound
When wave feedback signal, which region the ultrasound feedback signal that judgement is different from other ultrasound feedback signals belongs to, and determines
There are operating bodies for which corresponding region corresponding to which region；Wherein, the N is more than or equal to 3.
11. electronic device according to claim 1, which is characterized in that the display device, for showing image；
Light transmittance of the emitting mould train on the display direction of display device is more than first threshold, so that the display light
It can be seen by the user outside the contact mould group.
12. electronic device according to claim 11, which is characterized in that the display device includes:
Illuminating module, for generating original light；
Color mould group, including colors component array, for enabling the original light to pass through according to control switching display state
The color mould group forms display light corresponding with pre-display image；
Mould group, including control assembly array are controlled, is corresponded with the colors component array, for controlling the colors component
Array.
13. electronic device according to claim 12, which is characterized in that first receiving module and the control mould group
In the first control assembly be correspondingly arranged, comprising:
First receiving module is connected by the first connector with the first end of first control assembly；Wherein, described
First connector is used to the first ultrasound feedback signal being converted to the first excitation potential；
And the second end of first control assembly is connected with the third component of the emitting mould train by via hole, described first
The third end of control assembly is connected with the first colors component in the color mould group.
14. electronic device according to claim 9, which is characterized in that the processing mould group is also used to control generation telecommunications
Number, so that the emitting mould train, which generates ultrasonic wave according to the electric signal, sends signal.
15. a kind of detection device, comprising:
Emitting mould train sends signal for according to electric signal, generating ultrasonic wave, and at least to the of the first surface of contact mould group
One the first ultrasonic wave of field emission sends signal；
Receiving module, at least receiving the first ultrasound feedback signal after the reflection of the first area；
Wherein, the emitting mould train is between the contact mould group and the receiving module or the emitting mould train is located at institute
It states between contact mould group and display device；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with when first corresponding region not
There are the first ultrasound feedback signal described in when operating body is different；The first surface and second surface are the contact mould group phases
Anti- outer surface, and first corresponding region is in the second surface, with the first area in first ultrasonic wave
Send the region being overlapped on the direction of signal.
16. a kind of detection method, application and electronic device, the electronic device includes at least contact mould group, emitting mould train, first
Receiving module and display module, and the emitting mould train is between the contact mould group and first receiving module or institute
Emitting mould train is stated between the contact mould group and the display device, which comprises
At least emit the first ultrasonic wave to the first area of the first surface of contact mould group and sends signal；
At least receive the first ultrasound feedback signal after the reflection of the first area；
Judge whether the first ultrasound feedback signal meets preset condition, if it is satisfied, then determining that the first corresponding region is deposited
In operating body；
Wherein, the first corresponding region there are the first ultrasound feedback signal described in when operating body with when first corresponding region not
There are the first ultrasound feedback signal described in when operating body is different；The first surface and second surface are the contact mould group phases
Anti- outer surface, and first corresponding region is in the second surface, with the first area in first ultrasonic wave
Send the region being overlapped on the direction of signal.
17. detection method according to claim 16, which is characterized in that the method also includes:
Emit the second ultrasonic wave to the second area of the first surface and sends signal；
Receive the second ultrasound feedback signal after second area reflection；
Wherein, the second corresponding region there are the second ultrasound feedback signal described in when operating body with when second corresponding region not
There are the second ultrasound feedback signal described in when operating body is different；Second corresponding region is in the second surface, with institute
State the region that second area is overlapped on the direction that second ultrasonic wave sends signal, and the first area and described second
Region is not overlapped in the first surface, and first corresponding region and second corresponding region are in the second surface
It is not overlapped.
18. detection method according to claim 16, which is characterized in that described at least to the first surface of contact mould group
First area emits the first ultrasonic wave and sends signal, comprising:
The first ultrasonic wave, which is generated, according to electric signal sends signal.
19. detection method according to claim 16, which is characterized in that there are operating bodies for first corresponding region of determination
Later, comprising:
Contact position is determined based on first corresponding region.
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| CN107368226A (en) * | 2017-07-07 | 2017-11-21 | 业成科技（成都）有限公司 | Contactor control device, the driving method fed back using its electronic installation and touch-control |
| CN112924857A (en) * | 2021-01-22 | 2021-06-08 | 维沃移动通信有限公司 | Electronic equipment and key state detection method thereof |
| CN113568507A (en) * | 2021-07-23 | 2021-10-29 | 歌尔光学科技有限公司 | Touch detection and feedback system and method |
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| CN102799320A (en) * | 2011-05-24 | 2012-11-28 | 程抒一 | Spliced ultrasonic touch screen |
| CN104205029A (en) * | 2012-02-02 | 2014-12-10 | 高通股份有限公司 | Ultrasonic touch sensor with a display monitor |
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| CN101063921A (en) * | 2006-02-28 | 2007-10-31 | 三星电子株式会社 | Touch panel and a display device provided with the same and method of manufacturing the same |
| CN102799320A (en) * | 2011-05-24 | 2012-11-28 | 程抒一 | Spliced ultrasonic touch screen |
| CN104205029A (en) * | 2012-02-02 | 2014-12-10 | 高通股份有限公司 | Ultrasonic touch sensor with a display monitor |
| CN104424420A (en) * | 2013-08-30 | 2015-03-18 | 业鑫科技顾问股份有限公司 | Electronic device |
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