CN110308672A - Electronic equipment, display panel and its sounding device - Google Patents
Electronic equipment, display panel and its sounding device Download PDFInfo
- Publication number
- CN110308672A CN110308672A CN201910696667.2A CN201910696667A CN110308672A CN 110308672 A CN110308672 A CN 110308672A CN 201910696667 A CN201910696667 A CN 201910696667A CN 110308672 A CN110308672 A CN 110308672A
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- display panel
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- sounding device
- electromagnetic driver
- magnetic
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Theoretical Computer Science (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
This application discloses a kind of electronic equipment, display panel and its sounding device, the sounding device includes: the electromagnetic driver being arranged on the optical filtering substrate of the display panel；Magnetic diaphragm, the magnetic diaphragm are arranged relative to the electromagnetic driver；Wherein, when the electromagnetic driver is powered, the electromagnetic excitation is for converting the electrical signal to magnetic signal, so that the magnetic diaphragm vibration sounding.The sounding device of the display panel of the embodiment of the present application simplifies structure design, and integrated level is high by the way that electromagnetic driver layout inside display panel, is reduced the layout of peripheral components as a result,.
Description
Technical field
This application involves field of display technology more particularly to a kind of sounding device of display panel, a kind of display panel with
And a kind of electronic equipment.
Background technique
Vocal skill refers to the mechanical oscillation that audio electrical signal is converted to display panel by sounding driver in shielding, and borrows
Sound wave is generated by vibration, achievees the purpose that sounding.
In the related technology, sounding driver such as Piezoelectric Ceramics Excitation device and micro-vibration element excitation are placed below screen
Device drives screen vibration to carry out sounding by the deformation of driver.But the relevant technologies have problems in that, due to excitation
Device package dimension is larger, and it is smaller to shield down space, and the upper inconvenient and integrated level of structure design is lower.
Summary of the invention
The application is intended to solve at least some of the technical problems in related technologies.
For this purpose, first purpose of the application is to propose a kind of sounding device of display panel, by by electromagnetic excitation
Device is laid out inside display panel, can be simplified structure design, be improved integrated level.
Second purpose of the application is to propose a kind of display panel.
The third purpose of the application is to propose a kind of electronic equipment.
In order to achieve the above object, the application first aspect embodiment proposes a kind of sounding device of display panel, comprising: setting
Electromagnetic driver on the optical filtering substrate of the display panel；Magnetic diaphragm, the magnetic diaphragm swash relative to the electromagnetism
Encourage device setting；Wherein, when the electromagnetic driver is powered, the electromagnetic driver is used to convert the electrical signal to magnetic signal,
So that the magnetic diaphragm vibration sounding.
According to the sounding device of the display panel of the embodiment of the present application, the optical filtering base of display panel is arranged in electromagnetic driver
On plate, magnetic diaphragm is arranged relative to electromagnetic driver, and when electromagnetic driver is powered, electromagnetic driver is converted the electrical signal to
Magnetic signal, so that magnetic diaphragm vibration sounding.The sounding device of the display panel of the embodiment of the present application is by swashing electromagnetism as a result,
Device layout is encouraged inside display panel, the layout of peripheral components can be reduced, simplifies structure design, improves integrated level.
In addition, can also have following additional technology according to the sounding device of the display panel of the above embodiments of the present application
Feature:
According to one embodiment of the application, be additionally provided on the optical filtering substrate display panel public electrode and
Insulating layer, the public electrode and the insulating layer are between the optical filtering substrate and the electromagnetic driver, wherein described
Electromagnetic driver connects the public electrode by the through-hole on the insulating layer.
According to one embodiment of the application, the magnetic diaphragm is arranged above the insulating layer by supporter.
According to one embodiment of the application, the electromagnetic driver is coil.
According to one embodiment of the application, the coil is lattice coil, wherein is provided between adjacent two layers coil
Coil covering, and pass through the through-hole connection on the coil covering between the adjacent two layers coil.
According to one embodiment of the application, the centre of the coil is provided with transparent magnetic core.
According to one embodiment of the application, transparent public electrode is plated using ITO on the optical filtering substrate.
According to one embodiment of the application, the thickness of the magnetic diaphragm is less than 1um.
In order to achieve the above object, the application second aspect embodiment proposes a kind of display panel, including at least one is according to this
Apply for the sounding device of the described in any item display panels of first aspect embodiment.
According to the display panel that the embodiment of the present application proposes, by least one sounding device of setting, by electromagnetic excitation
Device is laid out inside display panel, can reduce the layout of peripheral components, is simplified structure design, is improved integrated level.
In addition, the display panel according to the above embodiments of the present application can also have the following additional technical features:
According to one embodiment of the application, when the sounding device is multiple, in the multiple sounding device at least
The wire circle and/or area coil of two electromagnetic drivers are different.
In order to achieve the above object, the application third aspect embodiment proposes a kind of electronic equipment, including according to the application second
Display panel described in aspect embodiment.
Electromagnetic driver layout is existed by the display panel of setting according to the electronic equipment that the embodiment of the present application proposes
Inside display panel, the layout of peripheral components can be reduced, simplifies structure design, improves integrated level.
Detailed description of the invention
Fig. 1 is the block diagram according to the sounding device of the display panel of the embodiment of the present application；
Fig. 2 is the structural schematic diagram according to the sounding device of the display panel of the application one embodiment；
Fig. 3 is the structural schematic diagram according to the sounding device of the display panel of the application another embodiment；
Fig. 4 is the structural schematic diagram according to lattice coil in the sounding device of the display panel of the application one embodiment；
Fig. 5 is the structural representation of lattice coil in the sounding device according to the display panel of the application another embodiment
Figure；
Fig. 6 is the structural representation of lattice coil in the sounding device according to the display panel of the application another embodiment
Figure；
Fig. 7 is the structural representation according to lattice coil in the sounding device of the display panel of the application further embodiment
Figure.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
Below with reference to the accompanying drawings the electronic equipment, display panel and its sounding device of the embodiment of the present application are described.
Fig. 1 is according to the block diagram of the sounding device of the display panel of the embodiment of the present application, as shown in Figure 1, this Shen
Please the sounding device of display panel of embodiment include: electromagnetic driver 10 and magnetic diaphragm 20.
Wherein, electromagnetic driver 10 is arranged on the optical filtering substrate 1 of display panel, and magnetic diaphragm 20 is relative to electromagnetic excitation
Device 10 is arranged；When electromagnetic driver 10 is powered, electromagnetic driver 10 is for converting the electrical signal to magnetic signal, so that magnetic shake
20 vibration sounding of film.
In some embodiments of the present application, as Figure 2-3, electromagnetic driver 10 can be coil 11.
It is understood that when that is, coil 11 is powered, according to electric magnetisation principle, coil 11 can be produced when electromagnetic driver 10 is powered
The magnetic field of raw certain rule, the magnetic fields are in magnetic diaphragm 20 corresponding with coil 11, so that magnetic diaphragm 20 generates deformation,
Specifically, coil 11 can generate direction change when leading to alternation driving electric signal such as AC signal to coil 11
Magnetic field, thus, the direction for acting on the power of magnetic diaphragm 20 corresponding with coil 11 can also change, so that magnetic diaphragm 20
Vibration, and then make a sound.The size of current for passing through coil 11 by control as a result, to control the size of sound.
Further, according to one embodiment of the application, as Figure 2-3, display surface is additionally provided on optical filtering substrate 1
The public electrode 30 and insulating layer 40 of plate, public electrode 30 and insulating layer 40 between optical filtering substrate 1 and electromagnetic driver 10,
Specifically, public electrode 30 and insulating layer 40 are between optical filtering substrate 1 and coil 11, wherein electromagnetic driver 10 passes through exhausted
Through-hole 401 in edge layer 40 connects public electrode 30, and specifically, coil 11 is connected public by the through-hole 401 on insulating layer 40
Electrode 30.
Pass through the parts cablings such as the public electrode in multiplexing display panel as a result, and realize coil layout, can be improved integrated
Change.
According to one embodiment of the application, ITO (Indium Thin Oxides, oxidation can be used on optical filtering substrate 1
Indium tin) plate transparent public electrode 30.
It is understood that by taking single sounding device as an example, as shown in figure 3, first being plated using ITO on optical filtering substrate 1 i.e. CF substrate
The public electrode 30 of layer of transparent, then successively plates insulating layer 40 and coil 11 on public electrode 30 again, passes through through-hole
401 make each coil 11 be connected with public electrode 30, forming circuit, corresponding on coil 11 to attach magnetic diaphragm 20, when
When coil 11 is powered, corresponding magnetic diaphragm 20 is driven to vibrate.
Specifically, as shown in figure 3, can apply alternation to coil 11 by AC power source 70 drives electric signal, AC power source
70 one end is connected with coil 11, and the other end of AC power source 70 is connected with public electrode 30, and coil 11 passes through certain rule
Alternation generates continually changing magnetic field when driving electric signal, thus, act on the power of magnetic diaphragm 20 corresponding with coil 11
Direction can also change, so that the vibration of magnetic diaphragm 20 generates deformation, and then make a sound.
Further, according to one embodiment of the application, as Figure 4-Figure 6, coil 11 is lattice coil, wherein phase
It is provided with coil covering 60 between adjacent two layers of coil, and passes through the through-hole on coil covering 60 between adjacent two layers coil
601 connections.It is understood that the shadow between every layer line circle can be prevented by the way that coil covering 60 is arranged between adjacent two layers coil
It rings, meanwhile, every layer line circle can be realized by the through-hole 601 on coil covering 60 and be connected.
As an example, as shown in figure 5, coil 11 is 6 layer line circles, one end of first layer coil can be with AC power source 70
One end be connected, the other end of AC power source 70 is connected with public electrode 30, and the other end of first layer coil passes through coil insulation
Through-hole 601 on layer 60 connects one end of second layer coil, and the other end of second layer coil passes through logical on coil covering 60
Hole 601 connects one end of third layer coil, and the other end of third layer coil passes through the connection of through-hole 601 on coil covering 60 the
The other end of one end of four layer line circles, the 4th layer line circle connects layer 5 coil by the through-hole 601 on coil covering 60
One end, the other end of layer 5 coil connect one end of layer 6 coil, layer 6 by the through-hole 601 on coil covering 60
The other end of coil connects public electrode 30.
As a result, by lattice coil, the electromagnetic intensity of coil 11 can be promoted, intensity of phonation is promoted, to improve sound
Effect, and can reduce coil projected area, promote the transmitance of display panel.
In addition, according to electric magnetisation principle, H=nI, wherein H is magnetomotive force, and n is the circle number of coil, and I is by coil
Size of current, it can be seen that different sounding effects can be controlled by the circle number n of coil and by the size of current I of coil.
Specifically, the circle number n of coil can be changed by changing area, the loop density of coil, and then the changeable magnetic field that generates is
The size of magnetomotive force H, to control the size of sounding.
According to another embodiment of the application, as shown in fig. 6-7, the centre of coil 11 is provided with transparent magnetic core 12.By
This, can further strengthen the electromagnetic induction phenomenon of coil 11, promote audio.
Further, according to one embodiment of the application, as Figure 2-3, magnetic diaphragm 20 is set by supporter 50
It sets on insulating layer 40.Wherein, the thickness of magnetic diaphragm 20 is less than 1um.
It is understood that magnetic membrane material can be used in magnetic diaphragm 20, the making technology of magnetic membrane material can
There are many selections, such as vacuum evaporation, chemical deposition, sputtering etc., and the difference of making technology, magnetic membrane material has different
Magnetic characteristic, also, the difference of the magnetic components using doping, can also produce the thin-film material of different magnetic characteristics.
As an example, display panel may include multiple sounding devices, the electromagnetic driver 10 in multiple sounding devices
The magnetic diaphragm 20 of different magnetic characteristics can be corresponded to, so that the difference of display panel different zones phonation characteristics can be realized.
In addition, can also by the area of the coil for the electromagnetic driver 10 changed in each sounding device, loop density come
Change the circle number of coil, and then magnetic field, that is, magnetomotive force H size that changeable electromagnetic driver 10 generates, different location is not using
With the coil of circle number, so as to control the display panel the size of different location sounding, and different scenes of arranging in pairs or groups are better to realize
Interactive experience.
As a result, by within the scope of entire display panel be arranged sounding device, it can be achieved that display panel arbitrary region
Optimal audio effect can be obtained, meanwhile, also the mutually knot of audio and video can be realized by modes such as UI (user interface) interactions
It closes, significant increase user experience.
To sum up, according to the sounding device of the display panel of the embodiment of the present application, display panel is arranged in electromagnetic driver
On optical filtering substrate, magnetic diaphragm is arranged relative to electromagnetic driver, and when electromagnetic driver is powered, electromagnetic driver is by electric signal
It is converted into magnetic signal, so that magnetic diaphragm vibration sounding.As a result, the sounding device of the display panel of the embodiment of the present application pass through by
Electromagnetic driver is laid out inside display panel, can reduce the layout of peripheral components, is simplified structure design, is improved integrated level；And
And by the way that sounding device is arranged within the scope of entire display panel, it can be achieved that the arbitrary region in display panel can obtain most preferably
Audio frequency effect, meanwhile, also combining for audio and video, significant increase can be realized by modes such as UI (user interface) interactions
User experience.
The sounding device of display panel based on the above embodiment, the embodiment of the present application also proposed a kind of display panel,
Including at least one according to the sounding device of any one display panel above-mentioned.
According to one embodiment of the application, when sounding device is multiple, at least two electromagnetism in multiple sounding devices
The wire circle and/or area coil of driver are different.
It is understood that according to electric magnetisation principle, H=nI, wherein H is magnetomotive force, and n is the circle number of coil, and I is to pass through coil
Size of current, it can be seen that different sounding effects can be controlled by the circle number n of coil and by the size of current I of coil
Fruit.Specifically, the circle number n of coil, and then changeable generation magnetic field can be changed by changing area, the loop density of coil
That is the size of magnetomotive force H, to control the size of sounding.
Change coil by the area of the coil for the electromagnetic driver 10 changed in each sounding device, loop density
Number, and then magnetic field, that is, magnetomotive force H size that changeable electromagnetic driver 10 generates are enclosed, different location uses the different lines for enclosing numbers
Circle, so as to controlling the display panel the size of different location sounding, and different scenes of arranging in pairs or groups realize better interactive experience.
To sum up, the display panel proposed according to the embodiment of the present application, by least one sounding device of setting, by electromagnetism
Driver is laid out inside display panel, can reduce the layout of peripheral components, is simplified structure design, is improved integrated level；And lead to
It crosses and sounding device is set within the scope of entire display panel, it can be achieved that the arbitrary region in display panel can obtain optimal audio
Effect, meanwhile, also combining for audio and video, significant increase user can be realized by modes such as UI (user interface) interactions
Experience.
Display panel based on the above embodiment, the embodiment of the present application also proposed a kind of electronic equipment, including above-mentioned
Display panel.
Electromagnetic driver layout is existed by the display panel of setting according to the electronic equipment that the embodiment of the present application proposes
Inside display panel, the layout of peripheral components can be reduced, simplifies structure design, improves integrated level；And by entirely showing
Sounding device is set within the scope of panel, it can be achieved that the arbitrary region in display panel can obtain optimal audio effect, meanwhile, also
Combining for audio and video, significant increase user experience can be realized by modes such as UI (user interface) interactions.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (11)
1. a kind of sounding device of display panel characterized by comprising
Electromagnetic driver on the optical filtering substrate of the display panel is set；
Magnetic diaphragm, the magnetic diaphragm are arranged relative to the electromagnetic driver；
Wherein, when the electromagnetic driver is powered, the electromagnetic driver is for converting the electrical signal to magnetic signal, so that institute
State magnetic diaphragm vibration sounding.
2. the sounding device of display panel according to claim 1, which is characterized in that be additionally provided on the optical filtering substrate
The public electrode and insulating layer of the display panel, the public electrode and the insulating layer be located at the optical filtering substrate with it is described
Between electromagnetic driver, wherein
The electromagnetic driver connects the public electrode by the through-hole on the insulating layer.
3. the sounding device of display panel according to claim 2, which is characterized in that the magnetic diaphragm passes through supporter
Setting is above the insulating layer.
4. the sounding device of display panel according to claim 1, which is characterized in that the electromagnetic driver is coil.
5. the sounding device of display panel according to claim 4, which is characterized in that the coil is lattice coil,
In, coil covering is provided between adjacent two layers coil, and pass through the coil covering between the adjacent two layers coil
On through-hole connection.
6. the sounding device of display panel according to claim 4 or 5, which is characterized in that the intermediate setting of the coil
There is transparent magnetic core.
7. the sounding device of display panel according to claim 2, which is characterized in that used on the optical filtering substrate
ITO plates transparent public electrode.
8. the sounding device of display panel according to claim 1, which is characterized in that the thickness of the magnetic diaphragm is less than
1um。
9. a kind of display panel, which is characterized in that including at least one display surface according to claim 1 to 8
The sounding device of plate.
10. display panel according to claim 9, which is characterized in that the multiple when the sounding device is multiple
The wire circle of at least two electromagnetic drivers and/or area coil are different in sounding device.
11. a kind of electronic equipment, which is characterized in that including display panel according to claim 9 or 10.
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| CN201910696667.2A CN110308672B (en) | 2019-07-30 | 2019-07-30 | Electronic equipment, display panel and sound production device thereof |
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| CN201910696667.2A CN110308672B (en) | 2019-07-30 | 2019-07-30 | Electronic equipment, display panel and sound production device thereof |
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|---|---|---|---|---|
| CN115493342A (en) * | 2021-06-17 | 2022-12-20 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN115493342B (en) * | 2021-06-17 | 2024-04-12 | 海信冰箱有限公司 | Refrigerator with a refrigerator body |
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| Publication number | Publication date |
|---|---|
| CN110308672B (en) | 2021-09-17 |
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