CN110035364A - A kind of sounding screen - Google Patents
A kind of sounding screen Download PDFInfo
- Publication number
- CN110035364A CN110035364A CN201910431244.8A CN201910431244A CN110035364A CN 110035364 A CN110035364 A CN 110035364A CN 201910431244 A CN201910431244 A CN 201910431244A CN 110035364 A CN110035364 A CN 110035364A
- Authority
- CN
- China
- Prior art keywords
- contact portion
- flat plate
- interconnecting piece
- oscillating flat
- driver
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
The present invention provides a kind of sounding screen, solves the problems, such as display screen remitted its fury caused by the through-hole on the additional device below display screen in the prior art.The sounding screen includes: oscillating flat plate；Driver；And conduct vibrations part, it is fixedly connected between oscillating flat plate and driver, including the contact portion contacted with oscillating flat plate and the interconnecting piece contacted with driver, contact portion with the area of section in oscillating flat plate parallel direction be greater than interconnecting piece with the area of section in oscillating flat plate parallel direction.
Description
Technical field
The present invention relates to audible device technical fields, and in particular to a kind of sounding screen.
Background technique
Screen vocal skill can be omitted the occupied space of the earpiece on display screen because of it, becomes and realizes comprehensive screen display at present
The research hotspot shown.Screen principle of sound is the display screen and structure in front to be driven, with display screen by a driver
As oscillating flat plate, sound wave is generated by vibration, is then delivered to human ear.Under normal conditions, driver must be protected with display screen
It holds enough contacts area just and can guarantee the effect of sounding, however, the display screen back side is usually provided with additional device to display
Screen provides a supporting role, it is therefore desirable to open up through-hole on these additional devices to avoid driver to ensure driver and display
Screen contact, the setting of through-hole reduce the support strength of additional device, lead to display screen remitted its fury.
Summary of the invention
In view of this, the embodiment of the present invention is dedicated to providing a kind of sounding screen, to solve under display screen in the prior art
The problem of display screen remitted its fury caused by through-hole on the additional device of side.
The present invention provides a kind of sounding screens, comprising: oscillating flat plate；Driver；And conduct vibrations part, it is fixedly connected
Between oscillating flat plate and driver, including the contact portion contacted with oscillating flat plate and the interconnecting piece contacted with driver, contact
Portion with the area of section in oscillating flat plate parallel direction be greater than interconnecting piece with the area of section in oscillating flat plate parallel direction.
In one embodiment, contact portion is flake, and interconnecting piece is rod-shaped.
In one embodiment, contact portion central symmetry, interconnecting piece are Problem of A Straight Bar With Uniform Cross Section, and the axis of interconnecting piece passes through contact
The center in portion.
In one embodiment, driver includes the vibration section with interconnecting piece contact, contact of the contact portion with oscillating flat plate
Area is greater than the contact area of vibration section and interconnecting piece, less than or equal to oscillating flat plate close to the surface area of contact portion.
In one embodiment, further include support strengthening course, support strengthening course between contact portion and oscillating flat plate, or
Support strengthening course is located at the surface that contact portion deviates from oscillating flat plate.
In one embodiment, contact portion is different with the material of interconnecting piece.
In one embodiment, the material of contact portion is polyester, and the material of interconnecting piece is metal.
In one embodiment, oscillating flat plate includes display screen, and sounding screen further includes the additional device with through-hole, auxiliary
It helps device to be fixed on the surface of display screen contacted with contact portion and covers contact portion, interconnecting piece passes through through-hole.
In one embodiment, there is gap between interconnecting piece and the hole wall of through-hole；And/or contact portion and additional device it
Between have gap；And/or there is gap between driver and additional device.
In one embodiment, oscillating flat plate includes the display panel of cover board with the first surface for being fixed on cover board, cover board
First surface include not shown panel covering frame region, driver is fixed on the table away from cover board of display panel
Face, contact portion are fixed on frame region.
The sounding screen provided according to the present invention, by the way that conduct vibrations part is arranged, conduct vibrations part includes and oscillating flat plate
The contact portion of contact and the interconnecting piece contacted with driver, due to contact portion with the area of section in oscillating flat plate parallel direction
Greater than interconnecting piece with the area of section in oscillating flat plate parallel direction, in this case, when oscillating flat plate be display screen when,
As long as the through-hole for avoiding driver opened up on the additional device below display screen can pass through interconnecting piece, compared to
For the through-hole for needing may pass through contact portion, the aperture of through-hole is smaller, to reduce the influence to additional device support force, mentions
The high reliability of display screen.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the sounding screen of first embodiment of the invention offer.
Fig. 2 show the structural schematic diagram of the sounding screen of second embodiment of the invention offer.
Fig. 3 show the structural schematic diagram of the sounding screen of third embodiment of the invention offer.
Fig. 4 show the structural schematic diagram of the sounding screen of fourth embodiment of the invention offer.
Fig. 5 show the structural block diagram of the display device of one embodiment of the invention offer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Fig. 1 show the structural schematic diagram of the sounding screen of first embodiment of the invention offer.The sounding screen is suitable for
Electronic equipment with display screen, such as mobile phone, television set, computer monitor, display instrument instrument etc..As shown in Figure 1, the hair
Sound-screen curtain includes oscillating flat plate 11, driver 12, and the vibration being fixedly connected between oscillating flat plate 11 and driver 12 passes
Guiding element 13.Conduct vibrations part 13 includes the contact portion 131 contacted with oscillating flat plate 11 and the interconnecting piece contacted with driver 12
132, contact portion 131 is being greater than interconnecting piece 132 flat with oscillating flat plate 11 with the area of section in 11 parallel direction of oscillating flat plate
Area of section on line direction.
Oscillating flat plate 11 is used to generate mechanical oscillation under the driving of driver 12 using as sound source.Vibration in sounding screen
Dynamic plate 11 can be display screen, cover board, casing or be separately provided dedicated for the plate structure as sound source.
Driver 12 includes piezoelectric ceramics element excitation device, micro-vibration element excitation device etc., and the present invention is to driver 12
Specific structure is not construed as limiting.
According to sounding screen provided in this embodiment, by the way that conduct vibrations part 13 is arranged, conduct vibrations part 13 includes and vibration
The contact portion 131 that dynamic plate 11 contacts and the interconnecting piece 132 contacted with driver 12, due to contact portion 131 with oscillating flat plate
Area of section in 11 parallel directions be greater than interconnecting piece 132 with the area of section in 11 parallel direction of oscillating flat plate, this feelings
Under condition, when oscillating flat plate 11 is display screen, what is opened up on the additional device below display screen is used to avoid driver 12
As long as through-hole can pass through interconnecting piece 132, for the through-hole for needing may pass through contact portion 131, the aperture of through-hole
It is smaller, to reduce the influence to additional device support force, improve the reliability of display screen.
In sounding screen shown in Fig. 1, the concrete shape of contact portion 131 and interconnecting piece 132 can be according to actual needs
Rationally setting.For example, as shown in Figure 1, contact portion 131 be flake, interconnecting piece 132 be it is rod-shaped, it is rod-shaped to refer to longitudinal direction (length side
To) the size component more much greater than laterally (perpendicular to length direction) size.Rod component can cross section by bar and axis
Two main geometric elements describe.Cross section refers to the section vertical with bar length direction, and axis is each cross-section center
Line.Cross section is mutually perpendicular with rod axis.Typically, rod-shaped includes that be that straight line, cross section are identical etc. cut axis
The bar of variable cross-section that the size of face straight-bar and cross section changes along axis.
For example, contact portion 131 can be the thin slice of any regulars shapes such as thin rounded flakes, rectangular tab, diamond shape thin slice,
It can be the irregular thin slice in edge；The cross section of rod-shaped interconnecting piece 132 can be the arbitrary shapes such as circle, rectangle, trapezoidal,
The embodiment of the present invention is not construed as limiting this.Laminar contact portion 131 is conducive to increase the contact area with oscillating flat plate 11, mentions
High sounding effect；Rod-shaped interconnecting piece 132 is conducive to reduce the clear size of opening on additional device, and it is reliable to display screen to reduce through-hole
The influence of property improves the reliability of display screen that is, while ensuring good sounding effect.
In one embodiment, refering to fig. 1,131 central symmetry of contact portion, such as contact portion 131 are thin rounded flakes shape, even
Socket part 132 is Problem of A Straight Bar With Uniform Cross Section, and the axis of interconnecting piece 132 passes through the center of contact portion 131.In this way, the vibration on contact portion 131
More evenly, sounding effect is more preferable.
In addition, the area when the section of contact portion 131 or interconnecting piece 132 on the direction parallel with oscillating flat plate 11 differs
When, such as interconnecting piece 132 is trapezoidal dam configuration, then section of the interconnecting piece 132 on the direction parallel with oscillating flat plate 11
Area refers to the maximum value of area of section.When contact portion 131 includes that multiple sub- contact portions or interconnecting piece 132 include multiple sub- connections
When portion, for example, interconnecting piece 132 includes three cylindricality connecting rods, then interconnecting piece 132 is on the direction parallel with oscillating flat plate 11
The area in section refers to area of section the sum of of this three sub- cylindricality connecting rods on the direction parallel with oscillating flat plate 11.
In sounding screen shown in Fig. 1, the material of contact portion 131 and interconnecting piece 132 is identical or different.Implement at one
In example, contact portion 131 is different with the material of interconnecting piece 132.Different materials is selected for contact portion 131 and interconnecting piece 132, it can be with
While playing conduct vibrations effect, increase the contact area of contact portion 131 as much as possible, while improving interconnecting piece 132
Support force.
For example, the material of contact portion 131 is polyester, the material of interconnecting piece 132 is metal.In this case, driver 12
Vibration oscillating flat plate 11 is conducted to by contact portion 131 by interconnecting piece 132, oscillating flat plate 11 is synchronous with contact portion 131 to shake
It is dynamic.For the contact portion 131, on the one hand sounding film can on the other hand can be used as with conduction vibration, for adjusting vibration
The vibration frequency of dynamic plate 11 is to adapt to human ear demand, to promote sounding effect.
Fig. 2 show the structural schematic diagram of the sounding screen of second embodiment of the invention offer.As shown in Fig. 2, the sounding
Driver 22 in screen include for load contact and drive load vibrate vibration section 220, which is specifically
It is contacted with interconnecting piece 232, contact portion 231 is greater than the contact of vibration section 220 and interconnecting piece 232 with the contact area of oscillating flat plate 21
Area, less than or equal to oscillating flat plate 21 close to the area on the surface of contact portion 231.
For the vibration section of driver 22 220, by taking piezoelectric ceramics element excitation device as an example, vibration section 220 refers to vibration
Dynamic film, i.e. multilayer piezoelectric ceramic piece are ceaselessly bent up and down to drive support structures to shake for the variation with applied voltage
The component of dynamic sounding.By taking micro-vibration element excitation device as an example, vibration section 220 refers to the mass block of suspension, in magnetic circuit system
Under the action of vibrate up and down to drive the component of support structures vibration sounding.
In one embodiment, vibration section 220 and conduct vibrations part 23 are integrally formed, i.e., conduct vibrations part 23 is directly real
It applies as a part of driver 22.Certainly, conduct vibrations part 23 can also be prepared separately or interconnecting piece 232 and vibration section 220
It is integrally formed, contact portion 231 is prepared separately.
According to sounding screen provided in this embodiment, the contact area of contact portion 231 and oscillating flat plate 21 is greater than driver
The contact area of vibration section 220 and interconnecting piece 232 in 22, therefore sounding screen as shown in Figure 2 is compared to by driver 22
For the structure that vibration section 220 is directly contacted with oscillating flat plate 21, the vibration area of oscillating flat plate 21 is increased, sounding is improved
Intensity.
In sounding screen shown in Fig. 2, as shown in Fig. 2, the contact area of contact portion 231 and oscillating flat plate 21 is equal to vibration
Area of the dynamic plate 21 close to the surface of contact portion 231.Thus it is possible, on the one hand, by the vibration area for increasing oscillating flat plate 21, from
And improve vibration uniformity and intensity of phonation；On the other hand, the local vibration of oscillating flat plate 21 is converted into global vibration, kept away
The risk that oscillating flat plate 21 is broken caused by having exempted from because of local vibration.
In one embodiment, display device further includes support strengthening course 24, as shown in Fig. 2, the support strengthening course 24
Between contact portion 231 and oscillating flat plate 21.Alternatively, support strengthening course 24, which can also be located at contact portion 231, deviates from oscillating flat plate
21 surface.On the other hand the support strengthening course 24 is used as sound wave and conducts on the one hand for providing a supporting role for oscillating flat plate
Channel, to promote sounding effect.
The contact area of strengthening course 24 and contact portion 231 is supported to be equal to the table of the close support strengthening course 24 of contact portion 231
The area in face.Supporting strengthening course 24 includes slim steel disc, copper foil, Kapton, high temperature resistance polyester film etc..In a reality
It applies in example, support strengthening course 24 is copper foil, and in this case, support strengthening course 24 can also play good heat spreading function.
Fig. 3 show the structural schematic diagram of the sounding screen of third embodiment of the invention offer.As shown in figure 3, the sounding
Oscillating flat plate in screen is display screen 31, then contact portion 331 is fixed on the lower surface of display screen 31.In this case, the hair
It further comprise the additional device 35 with through-hole 350, the assistor on the basis of sound-screen curtain sounding screen construction shown in Fig. 2
Part 35 is fixed on the surface of display screen 31 contacted with contact portion 331 and covers contact portion 131, and interconnecting piece 132 passes through through-hole
350。
Additional device 35 mentioned herein covers contact portion 131 and refers to that additional device 40 is contacted with contact portion 31 or do not connect
Touching, and the orthographic projection of contact portion 131 is entirely fallen on additional device 35.
In one embodiment, there is gap between additional device 35 and contact portion 331；And/or the hole wall of through-hole 350
There is gap between interconnecting piece 332.Such benefit is, on the one hand can be to avoid the vibration to through-hole 350 to interconnecting piece 332
It has an impact；On the other hand the gap can be used as heat dissipation channel, be conducive to distributing for the heat of mechanical oscillation generation.
At the same time, driver 32 can be fixed on the surface that additional device 35 deviates from oscillating flat plate 31, such as refering to figure
1, driver 32 is fixed on to the lower surface of additional device 35, which, which can be, is pasted using optical cement or consolidated with screw
It is fixed etc..Alternatively, fixation is supported to driver 32 away from the surface of oscillating flat plate 31 setting supporting element in driver 32, this
In the case of kind, as shown in figure 3, having gap between driver 32 and additional device 35, it is equivalent to so further logical for heat dissipation
Road is provided with an opening, to preferably distribute the heat that mechanical oscillation generate.
According to sounding screen provided in this embodiment, ensures biggish contact area using contact portion 331, utilize interconnecting piece
332 reduce the opening on additional device 35, to improve the reliability of display screen while ensuring good sounding effect.
It should be appreciated that additional device 35 shown in Fig. 3 is readily applicable to sounding screen shown in Fig. 2, it is no longer superfluous here
It states.
Fig. 4 show the structural schematic diagram of the sounding screen of fourth embodiment of the invention offer.As shown in figure 4, the sounding
Oscillating flat plate 41 in screen includes the display panel 412 of cover board 411 with the first surface for being fixed on cover board 411, cover board 411
First surface includes the frame region Q that not shown panel 412 covers, and driver 42 is fixed on display panel 412 away from cover board
411 surface, contact portion 431 are fixed on frame region Q.
In the present embodiment, the concrete shape of contact portion 431 and interconnecting piece 432 can be rationally arranged according to actual needs.
For example, contact portion 431 is flake, interconnecting piece 432 is rod-shaped, such as Problem of A Straight Bar With Uniform Cross Section, l-shaped rod etc..Contact portion 431 can be
The thin slice of any regulars shapes such as thin rounded flakes, rectangular tab, diamond shape thin slice is also possible to the irregular thin slice in edge；It is rod-shaped
The cross section of interconnecting piece 432 can be the arbitrary shapes such as circle, rectangle, trapezoidal, the embodiment of the present invention is not construed as limiting this.It is thin
The contact portion 431 of sheet is conducive to increase the contact area with cover board 411, improves sounding effect；Rod-shaped interconnecting piece 432 is advantageous
In reducing occupied space, with commensurate structure gap as much as possible, be conducive to reduce product thickness.
In one embodiment, refering to Fig. 4,431 central symmetry of contact portion, interconnecting piece 432 is Problem of A Straight Bar With Uniform Cross Section, interconnecting piece
432 axis passes through the center of contact portion 431.In this way, the vibration on contact portion 431 is more evenly, sounding effect is more preferable.
In sounding screen shown in Fig. 4, contact portion 431 is identical with the material of interconnecting piece 432, such as is metal, this
Sample not only can be with conduction vibration, but also had enough mechanical strengths.
In the present embodiment, as shown in figure 4, the side (i.e. the surface parallel with the direction of vibration of vibration section) of driver 42
It is fixed on fringe region of the lower surface close to earpiece area of display panel 412, the vibration section 420 of driver 42 is located remotely from display
The side of panel 412 can make the direction of vibration of vibration section 420 vertical with the display surface of display panel 412 in this way.Interconnecting piece
432 be the straight-bar that cross-sectional shape is rectangle, and a side of interconnecting piece 432 is fixedly connected with vibration section 420.Contact portion 431
For rectangular tab, it is fixed on the earpiece area of the first surface of cover board 411.
According to sounding screen provided in this embodiment, it can use conduct vibrations part for mechanical oscillation and be directly delivered to earpiece
Region is conducive to improve sounding effect.
In one embodiment, the surface fixed with 420 phase of vibration section of interconnecting piece 432 is further solid with display screen 431
Fixed connection.In this way, mechanical oscillation can be conducted to cover board 411 and display panel 412 simultaneously, cover board is passed to compared to independent
For 411, oscillation intensity is bigger, and sounding effect is more preferable.
In one embodiment, vibration section 220 and conduct vibrations part 23 are integrally formed, i.e., conduct vibrations part 23 is directly real
It applies as a part of driver 22.Certainly, conduct vibrations part 23 can also be prepared separately.
Fig. 5 show the structural block diagram of the display device of one embodiment of the invention offer.As shown in figure 5, the display device
500 include sounding screen 510, audio processing modules 520 and the audio being electrically connected with driver that any of the above-described embodiment provides
Signal drive circuit 530.Audio processing modules 520 are for exporting analog audio signal to audio drive circuitry 530；Audio signal
Driving circuit 530 is used for after the analog audio signal for receiving the output of audio processing modules 520, drives sounding screen 510
In driver generate vibrational energy, which passes to oscillating flat plate by conduct vibrations part, exports through oscillating flat plate
Voice signal.
In the present embodiment, audio processing modules 520 can receive the audio file of the output of processor 540 and then export simulation
Audio signal, audio file mentioned herein can be the audio file of various coded formats, for example, MP3, WMA, WAV, ASF,
The audio file of the formats such as ACC.
The present invention also provides a kind of electronic equipment, electronic equipment includes above-mentioned display device.Audio in electronic equipment
Processing module includes: audio codec and digital analog converter, and the processor of audio codec and electronic equipment connects,
The audio file of processor output is received, and audio file is decoded as digital audio and video signals.Digital analog converter will be above-mentioned
Digital audio and video signals are converted to analog audio signal, i.e., the audio signal indicated in the form of electric current, voltage or charge.
After audio signal driving circuit receives the analog audio signal of audio processing modules output, carried in the analog signal
Acoustic information carries out processing to analog signal by the circuit on the printed circuit board in electronic equipment and is converted into current signal,
At this point, voice messaging is carried on current signal, current signal is transmitted to driver by driving circuit, so that driver is in electric current
Under the action of by conduct vibrations voice message, drive is vibrated and is released together with the oscillating flat plate that driver is fixedly connected
Come, user is made to hear voice messaging.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, made any modification, equivalent replacement etc. be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of sounding screen characterized by comprising
Oscillating flat plate；
Driver；And
Conduct vibrations part is fixedly connected between the oscillating flat plate and the driver, including is contacted with the oscillating flat plate
Contact portion and the interconnecting piece that is contacted with the driver, the contact portion with the section in the oscillating flat plate parallel direction
Area be greater than the interconnecting piece with the area of section in the oscillating flat plate parallel direction.
2. sounding screen according to claim 1, which is characterized in that the contact portion is flake, and the interconnecting piece is
It is rod-shaped.
3. sounding screen according to claim 2, which is characterized in that the contact portion central symmetry, the interconnecting piece are
Problem of A Straight Bar With Uniform Cross Section, the axis of the interconnecting piece pass through the center of the contact portion.
4. sounding screen according to claim 2, which is characterized in that the driver includes contacting with the interconnecting piece
The contact area of vibration section, the contact portion and the oscillating flat plate is greater than the contact surface of the vibration section and the interconnecting piece
Product, less than or equal to the oscillating flat plate close to the area on the surface of the contact portion.
5. sounding screen according to claim 4, which is characterized in that further include support strengthening course, the support strengthening course
Between the contact portion and the oscillating flat plate；Or
The support strengthening course is located at the surface that the contact portion deviates from the oscillating flat plate.
6. sounding screen according to claim 1, which is characterized in that the material of the contact portion and the interconnecting piece is not
Together.
7. sounding screen according to claim 6, which is characterized in that the material of the contact portion is polyester, the connection
The material in portion is metal.
8. sounding screen according to claim 1, which is characterized in that the oscillating flat plate includes display screen, the sounding
Screen further includes the additional device with through-hole, and the additional device is fixed on contacting with the contact portion for the display screen
Surface simultaneously covers the contact portion, and the interconnecting piece passes through the through-hole.
9. sounding screen according to claim 8, which is characterized in that have between the interconnecting piece and the hole wall of the through-hole
There is gap；And/or
There is gap between the contact portion and the additional device；And/or
There is gap between the driver and the additional device.
10. sounding screen according to claim 1, which is characterized in that the oscillating flat plate includes cover board and is fixed on institute
The display panel of the first surface of cover board is stated, the first surface of the cover board includes the rim area not covered by the display panel
Domain, the driver are fixed on the surface away from the cover board of the display panel, and the contact portion is fixed on the frame
Region.
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| CN201910431244.8A CN110035364B (en) | 2019-05-22 | 2019-05-22 | Sound production screen |
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|---|---|---|---|
| CN201910431244.8A CN110035364B (en) | 2019-05-22 | 2019-05-22 | Sound production screen |
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| CN110035364B CN110035364B (en) | 2020-10-27 |
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| CN110308672A (en) * | 2019-07-30 | 2019-10-08 | Oppo广东移动通信有限公司 | Electronic equipment, display panel and its sounding device |
| CN111698358A (en) * | 2020-06-09 | 2020-09-22 | Oppo广东移动通信有限公司 | Electronic device |
| CN111770411A (en) * | 2020-06-15 | 2020-10-13 | Oppo广东移动通信有限公司 | Sound production subassembly and electronic equipment |
| CN112929799A (en) * | 2021-01-20 | 2021-06-08 | 武汉华星光电半导体显示技术有限公司 | Vibration sounding assembly and display device |
| CN113286029A (en) * | 2020-02-20 | 2021-08-20 | 北京小米移动软件有限公司 | Terminal equipment |
| CN114025279A (en) * | 2021-11-25 | 2022-02-08 | 京东方科技集团股份有限公司 | Flat panel sound production device and terminal equipment |
| CN114089590A (en) * | 2020-08-24 | 2022-02-25 | 青岛海信激光显示股份有限公司 | Projection screen and laser projection system |
| CN114114819A (en) * | 2020-09-01 | 2022-03-01 | 青岛海信激光显示股份有限公司 | Projection screen and laser projection system |
| CN117135551A (en) * | 2023-03-10 | 2023-11-28 | 荣耀终端有限公司 | Piezoelectric vibration module, screen sounding assembly and electronic equipment |
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Application publication date: 20190719 Assignee: Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd Assignor: The valley (Guan) Technology Co. Ltd. Contract record no.: X2019990000155 Denomination of invention: Sound production screen License type: Common License Record date: 20191030 |
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Effective date of registration: 20191205 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Applicant after: Guangzhou Guoxian Technology Co., Ltd Address before: 065500 Hebei Langfang County Guan emerging industry demonstration area Applicant before: The valley (Guan) Technology Co. Ltd. |
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