CN106775117A - Sound wave type contactor control device and the electronic installation using the sound wave type contactor control device - Google Patents
Sound wave type contactor control device and the electronic installation using the sound wave type contactor control device Download PDFInfo
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- CN106775117A CN106775117A CN201710026360.2A CN201710026360A CN106775117A CN 106775117 A CN106775117 A CN 106775117A CN 201710026360 A CN201710026360 A CN 201710026360A CN 106775117 A CN106775117 A CN 106775117A
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- viscose glue
- ultrasonic
- control device
- sound wave
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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
- G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
- G06F3/0436—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which generating transducers and detecting transducers are attached to a single acoustic waves transmission substrate
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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
- G06F3/0412—Digitisers structurally integrated in a display
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
A kind of sound wave type contactor control device, including flexible circuit board, ultrasonic sensing device and cover plate, the ultrasonic sensing device electrically connects to realize signal transmission with the flexible circuit board, the ultrasonic sensing device is fixedly arranged on the cover plate, adhesive-layer is provided between the ultrasonic sensing device and the cover plate, the adhesive-layer includes the first viscose glue and the second viscose glue, and first viscose glue is set around second viscose glue, and second viscose glue is less than absorptivity of first viscose glue to ultrasonic wave to the absorptivity of ultrasonic wave.The present invention also provides a kind of electronic installation of application sound wave type contactor control device.
Description
Technical field
The present invention relates to a kind of contactor control device, more particularly to a kind of sound wave type contactor control device and application sound wave type touch-control dress
The electronic installation put.
Background technology
Touch is the most important perceptive mode of the mankind, is the most natural mode that people carries out interaction with machine.Contactor control device
It is developed so far oneself and is widely used in the various fields such as personal computer, smart phone, public information, intelligent appliance, Industry Control.
, mainly there are resistance type touch control device, photo-electric contactor control device, sound wave type contactor control device, flat capacitance type in current touch-control field
Contactor control device, projective capacitive touch-control device.
Sound wave type contactor control device is a kind of new man-machine interaction mode, and in current sound wave touch technology, sound wave occurs
Device can send a kind of high frequency sound wave and arrive at lid surface, and when finger touches cover plate, the sound wave on contact is to be prevented from, then
Terminal finds out the acoustic receiver for not receiving sound wave, and the seat of finger is determined based on the position where the acoustic receiver found out
Cursor position, the coordinate position based on finger performs corresponding operating, to realize interacting between user and terminal.Realizing this hair
In bright process, inventor has found that prior art at least has problems with：Sometimes when user touches cover plate, user's imprudence is touched
Arrive core touch area, it is believed that oneself is not touched successfully, but device ultimately causes false touch to this generation response.
The content of the invention
The invention provides a kind of sound wave type contactor control device that can effectively control touch-control scope to prevent false touch.
Separately, a kind of electronic installation of application sound wave type contactor control device is also provided.
A kind of sound wave type contactor control device, including flexible circuit board, ultrasonic sensing device and cover plate, the ultrasonic sensing device are soft with this
Property circuit board electrical connection to realize signal transmission, the ultrasonic sensing device is fixedly arranged on the cover plate, the ultrasonic sensing device and the cover plate
Between be provided with adhesive-layer, the adhesive-layer include the first viscose glue and the second viscose glue, first viscose glue around second viscose glue set,
Second viscose glue is less than absorptivity of first viscose glue to ultrasonic wave to the absorptivity of ultrasonic wave.
A kind of electronic installation of the above-mentioned sound wave type contactor control device of application, the electronic installation includes body, the sound wave type touch-control
Device is arranged in the body.
Above-mentioned sound wave type contactor control device is different for the degree of absorption of ultrasonic wave using the different glue class of hardness, than
Under, the absorption of softer glue to ultrasonic wave is stronger, and the absorption of harder glue to ultrasonic wave is weaker, therefore, it is different hard by setting
The glue class of degree so that the transmitance of different zones ultrasonic wave is different, effectively prevents from missing so as to reach precisely limitation ultrasonic wave range
Tactile effect.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment according to sound wave type contactor control device of the invention.
Fig. 2 is the structural representation of the second embodiment according to sound wave type contactor control device of the invention.
Fig. 3 is the structural representation of the 3rd embodiment according to sound wave type contactor control device of the invention.
Fig. 4 is generalized sections of the Fig. 3 along IV-IV lines.
Fig. 5 is the structural representation of the fourth embodiment according to sound wave type contactor control device of the invention.
Fig. 6 is the structural representation of the 5th embodiment according to sound wave type contactor control device of the invention.
Fig. 7 is the electronic installation schematic diagram of the preferred embodiment using sound wave type contactor control device of the present invention.
Fig. 8 is generalized sections of the Fig. 7 along VIII-VIII lines.
Main element symbol description
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
In order that techniques disclosed in this application content it is more detailed with it is complete, be referred to accompanying drawing and it is of the invention under
Various specific embodiments are stated, identical mark represents same or similar component in accompanying drawing.However, the ordinary skill of this area
Personnel should be appreciated that embodiment provided hereinafter not for limiting the scope that the present invention is covered.Additionally, accompanying drawing is used for
Schematically it is illustrated, and is drawn not according to its full size.
Sound wave type contactor control device of the invention include flexible circuit board, ultrasonic sensing device and cover plate, the ultrasonic sensing device with
The flexible circuit board is electrically connected to realize signal transmission, is provided with adhesive-layer between the ultrasonic sensing device and the cover plate, the viscose glue
Layer includes the first viscose glue and the second viscose glue, and first viscose glue is set around second viscose glue, the suction of second viscose glue to ultrasonic wave
Yield less than first viscose glue to the absorptivity of ultrasonic wave, suction of the region that the adhesive-layer is formed by second viscose glue to ultrasonic wave
Yield is less than the region formed by first viscose glue to the absorptivity of ultrasonic wave.When the ultrasonic sensing device sends to cover plate direction
When ultrasonic wave is by the first viscose glue and the second viscose glue, absorption of second viscose glue to ultrasonic wave is smaller, and the first viscose glue is to ultrasonic wave
Absorption it is larger, therefore the corresponding region of the second viscose glue defines core Touch Zone, when finger touches the cover plate to should core
During the position of Touch Zone, the sound wave type contactor control device can sense touch operation, and work as finger and touch the cover plate to should the
During the position of one viscose glue, the sound wave type contactor control device is not responding to the touch operation.
Sound wave type contactor control device of the invention can be applied to personal computer, smart phone, intelligent appliance, industrial control unit (ICU)
Deng in electronic installation.
Sound wave type contactor control device of the invention is illustrated below by different embodiments.
Embodiment one
As shown in figure 1, in this embodiment, the sound wave type contactor control device 100 includes flexible circuit board 110, ultrasonic sensing
Device 102, viscose glue and cover plate 160.Viscose glue includes different type, respectively the first viscose glue 151, the second viscose glue 152, the 3rd viscose glue
153 and the 4th viscose glue 154.
Ultrasonic sensing device 102 includes ultrasonic wave receiving unit 130 and ultrasonic transmitting element 140.The ultrasonic wave receives single
Unit 130 stacks with ultrasonic transmitting element 140 and sets, and is bonded together by the 4th viscose glue 154.Ultrasonic wave receiving unit
130 are bonded by the 3rd viscose glue 153 away from the side of the ultrasonic transmitting element 140 with flexible circuit board 110.Flexible circuit board
110 extend to side of the ultrasonic transmitting element 140 away from ultrasonic wave receiving unit 130 along the sidepiece of ultrasonic sensing device 102,
And the side by the 3rd viscose glue 153 with ultrasonic transmitting element 140 away from ultrasonic wave receiving unit 130 bonds.
Ultrasonic wave receiving unit 130 includes the first piezoelectric patches 131, first electrode 132 and second electrode 133.First piezoelectricity
Piece 131 includes first surface 1311, the surface 1313 of second surface 1312 and the 3rd, first surface 1311 and the phase of the 3rd surface 1313
To setting, second surface 1312 is substantially vertical to connect the surface 1313 of first surface 1311 and the 3rd and positioned at the He of first surface 1311
Between 3rd surface 1313.Second electrode 133 is completely covered the first surface 1311 and second surface of the first piezoelectric patches 131
1312, and the 3rd surface 1313 is extended to the surface 1313 of local complexity the 3rd from second surface 1312.First electrode 132 is placed in
On 3rd surface 1313, first electrode 132 and the interval setting of second electrode 133, i.e. first electrode 132 and second electrode 133
Between it is contactless.
Ultrasonic transmitting element 140 and ultrasonic wave receiving unit 130 have an identical structure, including the second piezoelectric patches 141, the
Three electrodes 142 and the 4th electrode 143.Second piezoelectric patches 141 includes the 5th surface 1411, the 6th surface 1412 and the 7th surface
1413, the 5th surface 1411 and the 7th surface 1413 are oppositely arranged, the 5th surface 1411 of substantially vertical connection of the 6th surface 1412
And the 7th surface 1413 and between the 5th surface 1411 and the 7th surface 1413.4th electrode 143 is completely covered the second pressure
5th surface 1411 of electric piece 141 and the 6th surface 1412, and the 7th surface 1413 is extended to part from the 6th surface 1412
Cover the 7th surface 1413.3rd electrode 142 is placed on the 7th surface 1413, and the 3rd electrode 142 is spaced with the 4th electrode 143
Set, i.e., it is contactless between the 3rd electrode 142 and the 4th electrode 143.Ultrasonic transmitting element 140 is covered in the 5th surface
1411 the 4th electrode 143 is by the 4th viscose glue 154 and be covered in first surface 1311 the second of ultrasonic wave receiving unit 130
Electrode 133 is bonded.
First electrode 132 and second electrode 133 and correspondence on flexible circuit board 110 on the 3rd surface 1313 of correspondence
The 3rd electrode 142 and the 4th electrode 143 on 7th surface 1413 are respectively arranged with electric connecting sheet 120.First electrode 132 and
The part that two electrodes 133 are covered in the 3rd surface 1313 is electrically connected with by the 3rd viscose glue 153 with corresponding electric connecting sheet 120；
The part that 3rd electrode 142 and the 4th electrode 143 are covered in the 7th surface 1413 passes through the 3rd viscose glue 153 and corresponding electrical connection
Piece 120 is electrically connected with.Connect the 3rd electrode 142 electric connecting sheet 120 and connection the 4th electrode 143 electric connecting sheet 120 between
The 7th surface 1413 for being formed with correspondence ultrasonic transmitting element 140 on the flexible circuit board 110 of gap 114 forms an opening 112,
The opening 112 is through flexible circuit board 110, electric connecting sheet 120 and in electric connecting sheet 120 and ultrasonic transmitting element 140
The 3rd electrode 142 between the 3rd viscose glue 153.As long as the position of opening 112 is located at the correspondence ultrasonic wave hair of flexible circuit board 110
Penetrate in the region of the 7th surface 1413 of unit 140, in the present embodiment, the opening 112 is located at ultrasonic transmitting element 140
On gap 114 and at least part of 3rd electrode 142 between 3rd electrode 142 and the 4th electrode 143.
Cover plate 160 is placed in ultrasonic sensing device 102 near the side of ultrasonic transmitting element 140, and by the first viscose glue 151
And second viscose glue 152 bonded with flexible circuit board 110.Cover plate 160 provides touch operation circle of the sound wave type contactor control device 100
Face.Second viscose glue 152 is arranged in the opening 112 and bonds the cover plate 160 and the 3rd electrode 142.First viscose glue 151 is adjacent
Connect and set around second viscose glue 152, and between the cover plate 160 and the flexible circuit board 110.First viscose glue 151
Hardness is less than the hardness of second viscose glue 152, so that the second viscose glue 152 is less than first viscose glue 151 to the absorptivity of ultrasonic wave
To the absorptivity of ultrasonic wave.The ultrasonic wave sent to the direction of cover plate 160 when the ultrasonic sensing device 102 is by the He of the first viscose glue 151
During the second viscose glue 152, absorption of second viscose glue 152 to ultrasonic wave is smaller, and absorption of first viscose glue 151 to ultrasonic wave is larger,
Therefore the corresponding region of the second viscose glue 152 define core Touch Zone, when finger touches the cover plate 160 pairs should core Touch Zone
Position when, the sound wave type contactor control device 100 can sense touch operation, and work as finger touch the cover plate 160 pairs should the
During the position of one viscose glue 151, the sound wave type contactor control device 100 is not responding to the touch operation.
First electrode 132, second electrode 133, the 3rd electrode 142 and the 4th electrode 143 are metal, can for copper, silver,
Gold, magnadure.First piezoelectric patches 131 can be formed with the second piezoelectric patches 141 for piezoceramic material, such as lead zirconate titanate.
The material of electric connecting sheet 120 is metal, can be copper.4th viscose glue 154 can be insulating cement, or conducting resinl, when the 4th
When viscose glue 154 is conducting resinl, the 4th electrode 143 and second electrode 133 can be turned on.3rd viscose glue 153 is with conductive capability
Glue, wherein metallic particles can be filled with, conducting ultrasonic transmitting element 140 and the electric connecting sheet 120 of the 3rd viscose glue 153 and super
Acoustic receiver unit 130 and electric connecting sheet 120.First viscose glue 151 can be soft viscosity preferably glue, and hardness is relatively low, to super
The assimilation effect of sound wave is preferable；Second viscose glue 152 can be epoxy resin, and hardness is bigger, the assimilation effect to ultrasonic wave is poor,
It is smaller that ultrasonic wave passes through loss at this layer.
Embodiment two
As shown in Fig. 2 in this embodiment, the sound wave type contactor control device 200 includes flexible circuit board 210, ultrasonic sensing
Device 202, viscose glue and cover plate 260.Viscose glue includes different type, respectively the first viscose glue 251, the second viscose glue 252, the 3rd viscose glue
253 and the 4th viscose glue 254.
Ultrasonic sensing device 202 includes ultrasonic wave receiving unit 230 and ultrasonic transmitting element 240.The ultrasonic wave receives single
Unit 230 stacks with ultrasonic transmitting element 240 and sets, and is bonded together by the 4th viscose glue 254.Ultrasonic wave receiving unit
230 are bonded by the 3rd viscose glue 253 away from the side of the ultrasonic transmitting element 240 with flexible circuit board 210.Flexible circuit board
210 extend to side of the ultrasonic transmitting element 240 away from ultrasonic wave receiving unit 230 along the sidepiece of ultrasonic sensing device 202,
And the side by the 3rd viscose glue 253 with ultrasonic transmitting element 240 away from ultrasonic wave receiving unit 230 bonds.
Ultrasonic wave receiving unit 230 includes the first piezoelectric patches 231, first electrode 232 and second electrode 233.First piezoelectricity
Piece 231 includes first surface 2311, the surface 2313 of second surface 2312 and the 3rd, first surface 2311 and the phase of the 3rd surface 2313
To setting, second surface 2312 is substantially vertical to connect the surface 2313 of first surface 2311 and the 3rd and positioned at the He of first surface 2311
Between 3rd surface 2313.Second electrode 233 is completely covered the first surface 2311 and second surface of the first piezoelectric patches 231
2312, and the 3rd surface 2313 is extended to the surface 2313 of local complexity the 3rd from second surface 2312.First electrode 232 is placed in
On 3rd surface 2313, first electrode 232 and the interval setting of second electrode 233, i.e. first electrode 232 and second electrode 233
Between it is contactless.
Ultrasonic transmitting element 240 and ultrasonic wave receiving unit 230 have an identical structure, including the second piezoelectric patches 241, the
Three electrodes 242 and the 4th electrode 243.Second piezoelectric patches 241 includes the 5th surface 2411, the 6th surface 2412 and the 7th surface
2413, the 5th surface 2411 and the 7th surface 2413 are oppositely arranged, the 5th surface 2411 of substantially vertical connection of the 6th surface 2412
And the 7th surface 2413 and between the 5th surface 2411 and the 7th surface 2413.4th electrode 243 is completely covered the second pressure
5th surface 2411 of electric piece 241 and the 6th surface 2412, and the 7th surface 2413 is extended to part from the 6th surface 2412
Cover the 7th surface 2413.3rd electrode 242 is placed on the 7th surface 2413, and the 3rd electrode 242 is spaced with the 4th electrode 243
Set, i.e., it is contactless between the 3rd electrode 242 and the 4th electrode 243.Ultrasonic transmitting element 240 is covered in the 5th surface
2411 the 4th electrode 243 is by the 4th viscose glue 254 and be covered in first surface 2311 the second of ultrasonic wave receiving unit 230
Electrode 233 is bonded.
It is used to set the second viscose glue 252 from opening unlike first embodiment, is formed without on flexible circuit board 210.
First electrode 232 and second electrode 233 on flexible circuit board 210 on the 3rd surface 2313 of correspondence, and the 7th surface of correspondence
The 3rd electrode 242 and the 4th electrode 243 on 2413 are respectively arranged with electric connecting sheet 220.First electrode 232 and second electrode
233 parts for being covered in the 3rd surface 2313 are electrically connected with by the 3rd viscose glue 253 with corresponding electric connecting sheet 220；3rd electricity
The part that the electrode 243 of pole 242 and the 4th is covered in the 7th surface 2413 passes through the 3rd viscose glue 253 and corresponding electric connecting sheet 220
It is electrically connected with.
Cover plate 260 is placed in ultrasonic sensing device 202 near the side of ultrasonic transmitting element 240, and by the first viscose glue 251
And second viscose glue 252 bonded with flexible circuit board 210.Cover plate 260 provides touch operation circle of the sound wave type contactor control device 200
Face.First viscose glue 251 is set around second viscose glue 252, and the hardness of the first viscose glue 251 is less than second viscose glue 252
Hardness, so that the second viscose glue 252 is less than absorptivity of first viscose glue 251 to ultrasonic wave to the absorptivity of ultrasonic wave.When this is super
When the ultrasonic wave that sound sensor 202 is sent to the direction of cover plate 260 is by the first viscose glue 251 and the second viscose glue 252, the second viscose glue
The absorption of 252 pairs of ultrasonic waves is smaller, and absorption of first viscose glue 251 to ultrasonic wave is larger, therefore the corresponding area of the second viscose glue 252
Domain defines core Touch Zone, when finger touch the cover plate 260 pairs should core Touch Zone position when, the sound wave type touch-control dress
Sense touch operation by putting 200, and when finger touch the cover plate 260 pairs should the first viscose glue 251 position when, the sound wave
Formula contactor control device 200 is not responding to the touch operation.
First electrode 232, second electrode 233, the 3rd electrode 242 and the 4th electrode 243 are metal, can for copper, silver,
Gold, magnadure, piezoelectric patches 231,241 can be lead zirconate titanate.The material of electric connecting sheet 220 is metal, can be copper.4th glues
Glue 254 can be insulating cement, or conducting resinl, when the 4th viscose glue 254 is conducting resinl, can turn on the 4th electrode 243
With second electrode 233.3rd viscose glue 253 is the glue with conductive capability, wherein metallic particles, the 3rd viscose glue 253 can be filled with
Conducting ultrasonic transmitting element 240 and electric connecting sheet 220 and ultrasonic wave receiving unit 230 and electric connecting sheet 220.First viscose glue
251 can be soft viscosity preferably glue, and hardness is relatively low, and the assimilation effect to ultrasonic wave is preferable；Second viscose glue 252 can be ring
Oxygen tree fat, hardness is bigger, the assimilation effect to ultrasonic wave is poor, and it is smaller that ultrasonic wave passes through loss at this layer.
It is appreciated that the ultrasonic transmitting element 240 can be exchanged with the position of ultrasonic wave receiving unit 230.
Embodiment three
As shown in Figure 3 and Figure 4, in this embodiment, the sound wave type contactor control device 300 includes flexible circuit board 310, ultrasound
Sensor 302, viscose glue and cover plate 360.Viscose glue includes different type, and respectively the first viscose glue 351, the second viscose glue the 352, the 4th glue
The viscose glue 355 of glue 354 and the 5th.
Ultrasonic sensing device 302 includes ultrasonic wave receiving unit 330 and ultrasonic transmitting element 340.The ultrasonic wave receives single
Unit 330 stacks with ultrasonic transmitting element 340 and sets, and is bonded together by the 4th viscose glue 354.Ultrasonic wave receiving unit
330 are bonded by the first viscose glue 351 away from the side of the ultrasonic transmitting element 340 with flexible circuit board 310.Flexible circuit board
310 extend to side of the ultrasonic transmitting element 340 away from ultrasonic wave receiving unit 330 along the sidepiece of ultrasonic sensing device 302,
And by the first viscose glue 351 and the second viscose glue 352 and ultrasonic transmitting element 340 away from ultrasonic wave receiving unit 330 side
Bond.
Ultrasonic wave receiving unit 330 includes the first piezoelectric patches 331, first electrode 332 and second electrode 333.First piezoelectricity
Piece 331 includes first surface 3311, the surface 3313 of second surface 3312 and the 3rd, first surface 3311 and the phase of the 3rd surface 3313
To setting, second surface 3312 is substantially vertical to connect the surface 3313 of first surface 3311 and the 3rd and positioned at the He of first surface 3311
Between 3rd surface 3313.Second electrode 333 is completely covered the first surface 3311 and second surface of the first piezoelectric patches 331
3312, and the 3rd surface 3313 is extended to the surface 3313 of local complexity the 3rd from second surface 3312.First electrode 332 is placed in
On 3rd surface 3313, first electrode 332 and the interval setting of second electrode 333, i.e. first electrode 332 and second electrode 333
Between it is contactless.
Ultrasonic transmitting element 340 and ultrasonic wave receiving unit 330 have an identical structure, including the second piezoelectric patches 341, the
Three electrodes 342 and the 4th electrode 343.Second piezoelectric patches 341 includes the 5th surface 3411, the 6th surface 3412 and the 7th surface
3413, the 5th surface 3411 and the 7th surface 3413 are oppositely arranged, the 5th surface 3411 of substantially vertical connection of the 6th surface 3412
And the 7th surface 3413 and between the 5th surface 3411 and the 7th surface 3413.4th electrode 343 is completely covered the second pressure
5th surface 3411 of electric piece 341 and the 6th surface 3412, and the 7th surface 3413 is extended to part from the 6th surface 3412
Cover the 7th surface 3413.3rd electrode 342 is placed on the 7th surface 3413, and the 3rd electrode 342 is spaced with the 4th electrode 343
Set, i.e., it is contactless between the 3rd electrode 342 and the 4th electrode 343.Ultrasonic transmitting element 340 is covered in the 5th surface
3411 the 4th electrode 343 is by the 4th viscose glue 354 and be covered in first surface 3311 the second of ultrasonic wave receiving unit 330
Electrode 333 is bonded.
First electrode 332 and second electrode 333 on flexible circuit board 310 on the 3rd surface 3313 of correspondence, and correspondence
The 3rd electrode 342 and the 4th electrode 343 on 7th surface 3413 are respectively arranged with electric connecting sheet 320.First electrode 332 and
The part that two electrodes 333 are covered in the 3rd surface 3313 is electrically connected with by the first viscose glue 351 with corresponding electric connecting sheet 320.
The part that 3rd electrode 342 and the 4th electrode 343 are covered in the 7th surface 3413 passes through the first viscose glue 351 and corresponding electrical connection
Piece 320 is electrically connected with.Please refer to Fig. 3 and Fig. 4, second is provided between the 3rd electrode 342 and corresponding electric connecting sheet 320
Viscose glue 352, the second viscose glue 352 is covered between the part surface and the 3rd electrode 342 and the 4th electrode 343 of the 3rd electrode 342
Gap.In addition to the position in gap between the 3rd electrode 342 of correspondence and the 4th electrode 343, remainder is by for second viscose glue 352
The institute of one viscose glue 351 around.The hardness of the first viscose glue 351 is less than the hardness of second viscose glue 352, so that the second viscose glue 352 pairs surpasses
The absorptivity of sound wave is less than absorptivity of first viscose glue 351 to ultrasonic wave.
Cover plate 360 is placed in ultrasonic sensing device 302 near the side of ultrasonic transmitting element 340, and by the 5th viscose glue 355
Bonded with flexible circuit board 310.Cover plate 360 provides the touch operation interface of the sound wave type contactor control device 300.5th viscose glue 355
Hardness is higher, and loss is smaller when ultrasonic wave penetrates five viscose glues 355.
The ultrasonic wave sent to the direction of cover plate 360 when the ultrasonic sensing device 302 is by the first viscose glue 351, the second viscose glue 352
During with five viscose glues 355, absorption of second viscose glue 352 to ultrasonic wave is smaller, and the first viscose glue 351 to the absorption of ultrasonic wave compared with
Greatly, and absorption of each position of the 5th viscose glue 355 to ultrasonic wave is identical and absorb smaller, therefore the second viscose glue 352 to ultrasonic wave
Corresponding region defines core Touch Zone, when finger touch the cover plate 360 pairs should core Touch Zone position when, the sound wave
Formula contactor control device 300 can sense touch operation, and work as finger touch the cover plate 360 pairs should the first viscose glue 351 position
When, the sound wave type contactor control device 300 is not responding to the touch operation.
First electrode 332, second electrode 333, the 3rd electrode 342 and the 4th electrode 343 are metal, can for copper, silver,
Gold, magnadure, piezoelectric patches 331,341 can be lead zirconate titanate.The material of electric connecting sheet 320 is metal, can be copper.4th glues
Glue 354 can be insulating cement, or conducting resinl, when the 4th viscose glue 354 is conducting resinl, can turn on the 4th electrode 343
With second electrode 333.First viscose glue 351 is the glue with conductive capability, wherein metallic particles can be filled with, ultrasonic wave is by being somebody's turn to do
Larger, the first viscose glue 351 conducting ultrasonic transmitting element 340 and electric connecting sheet 320 and ultrasonic wave receiving unit are lost during layer
330 with electric connecting sheet 320.First viscose glue 351 can be soft viscosity preferably glue, and hardness is relatively low, to the absorption effect of ultrasonic wave
Fruit is preferably；Second viscose glue 352 can be epoxy resin, and hardness is bigger, the assimilation effect to ultrasonic wave is poor, and ultrasonic wave is by being somebody's turn to do
Loss is smaller during layer.
Example IV
As shown in figure 5, in this embodiment, the sound wave type contactor control device 400 includes flexible circuit board 410, ultrasonic sensing
Device 402, viscose glue and cover plate 460.Viscose glue includes different type, respectively the first viscose glue 451, the second viscose glue 452, the 3rd viscose glue
453 and the 4th viscose glue 454.
Ultrasonic sensing device 402 includes ultrasonic wave receiving unit 430 and ultrasonic transmitting element 440.The ultrasonic wave receives single
Unit 430 stacks with ultrasonic transmitting element 440 and sets, and is bonded together by the 4th viscose glue 454.Ultrasonic transmitting element
440 are bonded by the 3rd viscose glue 453 away from the side of the ultrasonic wave receiving unit 430 with flexible circuit board 410.Flexible circuit board
410 extend to side of the ultrasonic wave receiving unit 430 away from ultrasonic transmitting element 440 along the sidepiece of ultrasonic sensing device 402,
And the side by the 3rd viscose glue 453 with ultrasonic wave receiving unit 430 away from ultrasonic transmitting element 440 bonds.
Ultrasonic wave receiving unit 430 includes the first piezoelectric patches 431, first electrode 432 and second electrode 433.First piezoelectricity
Piece 431 includes first surface 4311, the surface 4313 of second surface 4312 and the 3rd, first surface 4311 and the phase of the 3rd surface 4313
To setting, second surface 4312 is substantially vertical to connect the surface 4313 of first surface 4311 and the 3rd and positioned at the He of first surface 4311
Between 3rd surface 4313.Second electrode 433 is completely covered the first surface 4311 and second surface of the first piezoelectric patches 431
4312, and the 3rd surface 4313 is extended to the surface 4313 of local complexity the 3rd from second surface 4312.First electrode 432 is placed in
On 3rd surface 4313, first electrode 432 and the interval setting of second electrode 433, i.e. first electrode 432 and second electrode 433
Between it is contactless.
Ultrasonic transmitting element 440 and ultrasonic wave receiving unit 430 have an identical structure, including the second piezoelectric patches 441, the
Three electrodes 442 and the 4th electrode 443.Second piezoelectric patches 441 includes the 5th surface 4411, the 6th surface 4412 and the 7th surface
4413, the 5th surface 4411 and the 7th surface 4413 are oppositely arranged, the 5th surface 4411 of substantially vertical connection of the 6th surface 4412
And the 7th surface 4413 and between the 5th surface 4411 and the 7th surface 4413.4th electrode 443 is completely covered the second pressure
5th surface 4411 of electric piece 441 and the 6th surface 4412, and the 7th surface 4413 is extended to part from the 6th surface 4412
Cover the 7th surface 4413.3rd electrode 442 is placed on the 7th surface 4413, and the 3rd electrode 442 is spaced with the 4th electrode 443
Set, i.e., it is contactless between the 3rd electrode 442 and the 4th electrode 443.Ultrasonic transmitting element 440 is covered in the 5th surface
4411 the 4th electrode 443 is by the 4th viscose glue 454 and be covered in first surface 4311 the second of ultrasonic wave receiving unit 430
Electrode 433 is bonded.
First electrode 432 and second electrode 433 on flexible circuit board 410 on the 3rd surface 4313 of correspondence, and correspondence
The 3rd electrode 442 and the 4th electrode 443 on 7th surface 4413 are respectively arranged with electric connecting sheet 420.Ultrasonic wave is covered in connect
Receive unit 430 the 3rd surface 4313 first electrode 432 and second electrode 433 part by the 3rd viscose glue 453 with it is corresponding
Electric connecting sheet 420 be electrically connected with；It is covered in the 3rd electrode 442 and on the 7th surface 4413 of ultrasonic transmitting element 440
The part of four electrodes 443 is electrically connected with by the 3rd viscose glue 453 with corresponding electric connecting sheet 420.Connect the electricity of first electrode 432
Interval 414 is formed between the electric connecting sheet 420 of connection sheet 420 and connection second electrode 433.Correspondence on flexible circuit board 410
3rd surface 4313 of ultrasonic wave receiving unit 430 forms an opening 412, and the opening 412 is run through flexible circuit board 410, is electrically connected
The 3rd viscose glue 453 between contact pin 420 and the first electrode in electric connecting sheet 420 and ultrasonic wave receiving unit 430 432,
I.e. opening 414 is located between the electric connecting sheet 420 of the 4th electrode 443 of the electric connecting sheet 420 of the 3rd electrode 442 of connection and connection.
As long as the position of opening 412 is in the region of the 3rd surface 4313 of the corresponding ultrasonic wave receiving unit 430 of flexible circuit board 410
Can, in the present embodiment, the opening 412 is located between the first electrode 432 of ultrasonic wave receiving unit 430 and second electrode 433
On gap and at least part of first electrode 432.
Cover plate 460 is placed in ultrasonic sensing device 402 near the side of ultrasonic wave receiving unit 430, and by the first viscose glue 451
And second viscose glue 452 bonded with flexible circuit board 410.Cover plate 460 provides touch operation circle of the sound wave type contactor control device 400
Face.Second viscose glue 452 is arranged in the opening 412 and bonds the cover plate 460 and the first electrode 432.First viscose glue 451 encloses
Around and adjacent second viscose glue 452 set, and between the cover plate 460 and the flexible circuit board 410, and bond the lid simultaneously
Plate 460 and the flexible circuit board 410.The hardness of the first viscose glue 451 is less than the hardness of second viscose glue 452, so that the second viscose glue
452 pairs of absorptivities of ultrasonic wave are less than absorptivity of first viscose glue 451 to ultrasonic wave.When the ultrasonic sensing device 402 is to cover plate
When the ultrasonic wave that 460 directions send is by the first viscose glue 451 and the second viscose glue 452, the second viscose glue 452 to the absorption of ultrasonic wave compared with
It is small, and absorption of first viscose glue 451 to ultrasonic wave is larger, therefore the corresponding region of the second viscose glue 452 defines core Touch Zone,
When finger touch the cover plate 460 pairs should core Touch Zone position when, the sound wave type contactor control device 400 can sense touch
Operation, and when finger touch the cover plate 460 pairs should the first viscose glue 451 position when, the sound wave type contactor control device 400 is not responding to
The touch operation.
First electrode 432, second electrode 433, the 3rd electrode 442 and the 4th electrode 443 are metal, can for copper, silver,
Gold, magnadure.First piezoelectric patches 431 can be formed with the second piezoelectric patches 441 for piezoceramic material, such as lead zirconate titanate.
The material of electric connecting sheet 420 is metal, can be copper.4th viscose glue 454 can be insulating cement, or conducting resinl, when the 4th
When viscose glue 454 is conducting resinl, the 4th electrode 443 and second electrode 433 can be turned on.3rd viscose glue 453 is with conductive capability
Glue, wherein metallic particles can be filled with, conducting ultrasonic transmitting element 440 and the electric connecting sheet 420 of the 3rd viscose glue 453 and super
Acoustic receiver unit 430 and electric connecting sheet 420.First viscose glue 451 can be soft viscosity preferably glue, and hardness is relatively low, to super
The assimilation effect of sound wave is preferable；Second viscose glue 452 can be epoxy resin, and hardness is bigger, the assimilation effect to ultrasonic wave is poor,
It is smaller that ultrasonic wave passes through loss at this layer.
Embodiment five
As shown in fig. 6, in this embodiment, the sound wave type contactor control device 500 includes flexible circuit board 510, ultrasonic sensing
Device 502, viscose glue and cover plate 560.Viscose glue includes different type, respectively the first viscose glue 551, the second viscose glue 552, the 3rd viscose glue
553 and the 4th viscose glue 554.
Ultrasonic sensing device 502 includes ultrasonic wave receiving unit 530 and ultrasonic transmitting element 540.The ultrasonic wave receives single
Unit 530 stacks with ultrasonic transmitting element 540 and sets.
Ultrasonic wave receiving unit 530 includes the first piezoelectric patches 531, first electrode 532 and second electrode 533.First piezoelectricity
Piece 531 includes first surface 5311, the surface 5313 of second surface 5312 and the 3rd, first surface 5311 and the phase of the 3rd surface 5313
To setting, second surface 5312 is substantially vertical to connect the surface 5313 of first surface 5311 and the 3rd and positioned at the He of first surface 5311
Between 3rd surface 5313.Second electrode 533 is completely covered the first surface 5311 and second surface of the first piezoelectric patches 531
5312, and the 3rd surface 5313 is extended to the surface 5313 of local complexity the 3rd from second surface 5312.First electrode 532 is placed in
On 3rd surface 5313, first electrode 532 and the interval setting of second electrode 533, i.e. first electrode 532 and second electrode 533
Between it is contactless.
Ultrasonic transmitting element 540 and ultrasonic wave receiving unit 530 have an identical structure, including the second piezoelectric patches 541, the
Three electrodes 542 and the 4th electrode 543.Second piezoelectric patches 541 includes the 5th surface 5411, the 6th surface 5412 and the 7th surface
5413, the 5th surface 5411 and the 7th surface 5413 are oppositely arranged, the 5th surface 5411 of substantially vertical connection of the 6th surface 5412
And the 7th surface 5413 and between the 5th surface 5411 and the 7th surface 5413.4th electrode 543 is completely covered the second pressure
5th surface 5411 of electric piece 541 and the 6th surface 5412, and the 7th surface 5413 is extended to part from the 6th surface 5412
Cover the 7th surface 5413.3rd electrode 542 is placed on the 7th surface 5413, and the 3rd electrode 542 is spaced with the 4th electrode 543
Set, i.e., it is contactless between the 3rd electrode 542 and the 4th electrode 543.
Flexible circuit board 510 includes the first flexible circuit board 511 and the second flexible circuit board 512.First flexible circuit board
The first surface 5311 of 511 corresponding ultrasonic wave receiving units 530, the surface 5313 of second surface 5312 and the 3rd are set；Second is soft
Property the correspondence of circuit board 512 the 5th surface 5411 of ultrasonic transmitting element 540, the 6th surface 5412 and the 7th surface 5413 set
Put.Correspondence first electrode 532 and second electrode 533 are respectively arranged with electric connecting sheet 520 on first flexible circuit board 511.Second
The 3rd electrode 542 of correspondence and the 4th electrode 543 are respectively arranged with electric connecting sheet 520 on flexible circuit board 512.First electrode 532
The part for being covered in the 3rd surface 5313 with second electrode 533 is electrically connected by the 3rd viscose glue 553 with corresponding electric connecting sheet 520
Connect, the 3rd electrode 542 and the 4th electrode 543 are covered in the part on the 7th surface 5413 by the 3rd viscose glue 553 and corresponding electricity
Connection sheet 520 is electrically connected with.First flexible circuit board 511 corresponds to part and second flexible circuit board of first surface 5311
512 parts for corresponding to the 5th surface 5411 are bonded by the 4th viscose glue 554.
Cover plate 560 is placed in ultrasonic sensing device 502 near the side of ultrasonic transmitting element 540, and by the first viscose glue 551
And second viscose glue 552 bonded with the second flexible circuit board 512.Cover plate 560 provides the touch operation of the sound wave type contactor control device 500
Interface.First viscose glue 551 is abutted and set around second viscose glue 552, and the first viscose glue 551 and the second viscose glue 552 are same
When bond the flexible circuit board 512 of cover plate 560 and second.The hardness of the first viscose glue 551 is less than the hardness of second viscose glue 552,
So that the second viscose glue 552 is less than absorptivity of first viscose glue 551 to ultrasonic wave to the absorptivity of ultrasonic wave.When the ultrasonic sensing
When the ultrasonic wave that device 502 is sent to the direction of cover plate 560 is by the first viscose glue 551 and the second viscose glue 552, the second viscose glue 552 pairs surpasses
The absorption of sound wave is smaller, and absorption of first viscose glue 551 to ultrasonic wave is larger, therefore the corresponding region definition of the second viscose glue 552
Go out core Touch Zone, when finger touch the cover plate 560 pairs should core Touch Zone position when, the sound wave type contactor control device 500
Touch operation can be sensed, and when finger touch the cover plate 560 pairs should the first viscose glue 551 position when, the sound wave type is touched
Control device 500 is not responding to the touch operation.
First electrode 532, second electrode 533, the 3rd electrode 542 and the 4th electrode 543 are metal, can for copper, silver,
Gold, magnadure, piezoelectric patches 531,541 can be lead zirconate titanate.The material of electric connecting sheet 520 is metal, can be copper.4th glues
Glue 554 can be insulating cement, or conducting resinl.3rd viscose glue 553 is the glue with conductive capability, wherein can be filled with gold
Metal particles, the conducting ultrasonic transmitting element 540 of the 3rd viscose glue 553 and electric connecting sheet 520 and ultrasonic wave receiving unit 530 and electricity
Connection sheet 520.First viscose glue 551 can be soft viscosity preferably glue, and hardness is relatively low, and the assimilation effect to ultrasonic wave is preferable；
Second viscose glue 552 can be epoxy resin, and hardness is bigger, the assimilation effect to ultrasonic wave is poor, and ultrasonic wave passes through to be damaged at this layer
Consumption is smaller.
Also referring to Fig. 7 and Fig. 8, the present invention also provides a kind of electronic installation 10, the electronic installation include body 101 and
The sound wave type contactor control device 700 in body 101 is arranged at, the sound wave type contactor control device 700 can be above-described embodiment one to reality
Apply any sound wave type contactor control device described in example five.In Fig. 7 only so that electronic installation 10 is as mobile phone as an example, in other embodiments,
The electronic installation 10 or personal computer, intelligent appliance, industrial control unit (ICU) etc..When the electronic installation 10 is mobile phone, should
The home keys that sound wave type contactor control device 700 can correspond to mobile phone are set, and the home keys is had the function of tangible operation.
Above, specific embodiment of the invention is described with reference to the accompanying drawings.But, those skilled in the art
It is understood that without departing from the spirit and scope of the present invention, can also make each to specific embodiment of the invention
Plant change and replace.These changes and replacement all fall in claims of the present invention limited range.
Claims (10)
1. a kind of sound wave type contactor control device, including flexible circuit board, ultrasonic sensing device and cover plate, the ultrasonic sensing device are soft with this
Circuit board is electrically connected to realize signal transmission, and the ultrasonic sensing device is fixedly arranged on the cover plate, it is characterised in that：The ultrasonic sensing device
Be provided with adhesive-layer between the cover plate, the adhesive-layer include the first viscose glue and the second viscose glue, first viscose glue around this second
Viscose glue is set, and second viscose glue is less than absorptivity of first viscose glue to ultrasonic wave to the absorptivity of ultrasonic wave.
2. sound wave type contactor control device as claimed in claim 1, it is characterised in that：The ultrasonic sensing device is received including ultrasonic wave
Unit and ultrasonic transmitting element, the ultrasonic wave receiving unit are stacked with ultrasonic transmitting element and set.
3. sound wave type contactor control device as claimed in claim 2, it is characterised in that：The flexible circuit plate part is located at ultrasonic sensing
Between device and cover plate, the part shape that flexible circuit board is located between ultrasonic sensing device and cover plate has an opening, and second viscose glue is filled out
Fill in the opening, first viscose glue adjoining is simultaneously set around second viscose glue, and positioned at the cover plate and the flexible circuit board it
Between.
4. sound wave type contactor control device as claimed in claim 3, it is characterised in that：The ultrasonic transmitting element connects than the ultrasonic wave
Unit is received closer to the cover plate, or the ultrasonic wave receiving unit is than the ultrasonic transmitting element closer to the cover plate.
5. sound wave type contactor control device as claimed in claim 2, it is characterised in that：The flexible circuit plate part is located at ultrasonic sensing
Between device and cover plate, the adhesive-layer is arranged between the part flexible circuit board and the cover plate, and the cover plate passes through first viscose glue
And second viscose glue is bonded with flexible circuit board.
6. sound wave type contactor control device as claimed in claim 2, it is characterised in that：The flexible circuit plate part is located at ultrasonic sensing
Between device and cover plate, the adhesive-layer is arranged between the part flexible circuit board and ultrasonic sensing device.
7. the sound wave type contactor control device as described in claim 3-6 any one, it is characterised in that：The ultrasonic wave receiving unit
Including the first piezoelectric patches, first electrode and second electrode, the first piezoelectric patches includes first surface and the 3rd surface, first surface and
3rd surface is oppositely arranged, and second electrode is completely covered first surface, and extends to the 3rd surface, first electrode from first surface
Be placed on the 3rd surface and with second electrode interval setting；The ultrasonic transmitting element includes the second piezoelectric patches, the 3rd electrode
With the 4th electrode, the second piezoelectric patches includes the 5th surface and the 7th surface, and the 5th surface and the 7th surface be oppositely arranged, the 4th electricity
Pole is completely covered the 5th surface and extends to the 7th surface from the 5th surface, and the 3rd electrode is placed on the 7th surface and with the 4th
Electrode gap is set, and the 4th electrode for being covered in the 5th surface of the ultrasonic transmitting element passes through one the 4th viscose glue and ultrasonic wave
The second electrode for being covered in first surface of receiving unit is bonded.
8. sound wave type contactor control device as claimed in claim 7, it is characterised in that：On the flexible circuit board on the 3rd surface of correspondence
First electrode and second electrode and correspondence the 7th surface on the 3rd electrode and the 4th electrode be respectively arranged with electrical connection
The part that piece, first electrode and second electrode are covered in the 3rd surface is electrically connected with corresponding electric connecting sheet；3rd electrode and
The part that 4th electrode is covered in the 7th surface is electrically connected with corresponding electric connecting sheet.
9. sound wave type contactor control device as claimed in claim 1, it is characterised in that：Second viscose glue is epoxy resin.
10. a kind of electronic installation, the electronic installation includes body and is arranged at the intrinsic sound wave type contactor control device, its feature
It is：The sound wave type contactor control device is the sound wave type contactor control device described in claim 1-9 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710026360.2A CN106775117B (en) | 2017-01-13 | 2017-01-13 | The electronic device of sound wave type touch device and application the sound wave type touch device |
| TW106106192A TWI657356B (en) | 2017-01-13 | 2017-02-23 | Sonic touch device and electronic device having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710026360.2A CN106775117B (en) | 2017-01-13 | 2017-01-13 | The electronic device of sound wave type touch device and application the sound wave type touch device |
Publications (2)
| Publication Number | Publication Date |
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| CN106775117A true CN106775117A (en) | 2017-05-31 |
| CN106775117B CN106775117B (en) | 2019-09-13 |
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| Country | Link |
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| TW (1) | TWI657356B (en) |
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| CN108228007A (en) * | 2018-01-23 | 2018-06-29 | 业成科技（成都）有限公司 | The electronic device of sound wave type touch device and application the sound wave type touch device |
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Also Published As
| Publication number | Publication date |
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| TW201841098A (en) | 2018-11-16 |
| CN106775117B (en) | 2019-09-13 |
| TWI657356B (en) | 2019-04-21 |
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Effective date of registration: 20180814 Address after: 610041 689 cooperation Road, hi-tech West District, Chengdu, Sichuan Applicant after: Cheng Cheng Technology (Chengdu) Co., Ltd. Applicant after: Interface Optoelectronic (Shenzhen) Co., Ltd. Address before: 518057 Room 201, building A, 1 Bay Road, Shenzhen Hong Kong cooperation zone, Qianhai, Shenzhen, Guangdong, Nanshan District Applicant before: MIICS BUSINESS CONSULTING (SHENZHEN) CO., LTD. |
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