CN102572663A - Plane loudspeaker unit and plane loudspeaker apparatus - Google Patents

Plane loudspeaker unit and plane loudspeaker apparatus Download PDF

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Publication number
CN102572663A
CN102572663A CN2011104470962A CN201110447096A CN102572663A CN 102572663 A CN102572663 A CN 102572663A CN 2011104470962 A CN2011104470962 A CN 2011104470962A CN 201110447096 A CN201110447096 A CN 201110447096A CN 102572663 A CN102572663 A CN 102572663A
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China
Prior art keywords
apertured electrodes
dynamic planar
planar loudspeakers
layer
vibrating diaphragm
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CN2011104470962A
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Chinese (zh)
Inventor
陈冠位
陈明道
刘昌和
曾国华
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Industrial Technology Research Institute ITRI
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Industrial Technology Research Institute ITRI
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Priority claimed from US12/979,341 external-priority patent/US8625824B2/en
Application filed by Industrial Technology Research Institute ITRI filed Critical Industrial Technology Research Institute ITRI
Publication of CN102572663A publication Critical patent/CN102572663A/en
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Abstract

The invention discloses a plane loudspeaker unit and a plane loudspeaker apparatus. The plane loudspeaker unit comprises a first perforated electrode, a second perforated electrode and a diaphragm arranged between the electrodes and having an electret layer and an electrode layer, wherein air-gaps are formed between the first and second perforated electrodes and the diaphragm. In one embodiment, a plurality of supports are arranged between the first and second perforated electrodes and the diaphragm. In one embodiment, the plane loudspeaker apparatus comprises at least two stacked plane loudspeaker units. In one embodiment, both ends of a signal source are respectively connected with the first and second perforated electrodes. Or, in another embodiment, one end of signal source is electrically connected with the first and second perforated electrodes, and the other end of the signal source is electrically connected with the diaphragm, so that the diaphragm on the electret layer vibrates and generates sounds, thereby producing low THD effects.

Description

Dynamic planar loudspeakers monomer and dynamic planar loudspeakers device
Technical field
The present invention relates to a kind of dynamic planar loudspeakers monomer and dynamic planar loudspeakers device.
Background technology
The vision and the sense of hearing now is the most direct two kinds of sensory responses of the mankind, therefore for a long time, and various renewable visions of the development that scientists is done one's utmost and sense of hearing related system.The regeneration that comprises loud speaker at present, it mainly is still by coil-moving speaker and dominates the whole market.But along with people in recent years for the requirement day by day of organoleptic quality, and 3C Product (Computer, Communication; Consumer Electronics) pursuing under short and small, the frivolous prerequisite; A kind of power saving, frivolous, can be according to the loud speaker of ergonomics Demand Design, no matter be the large-sized dynamic planar loudspeakers of collocation, also be small enough to the earphone of walkman, stereosonic mobile phone; In predictable tomorrow, technology in this respect will have a large amount of needs and application and development.
Electroacoustic loud speaker classification at present mainly is divided into directly, the indirec radiation type, and type of drive probably is divided into moving-coil type, piezoelectric type and electrostatic loudspeaker.Coil-moving speaker uses the widest at present, technology maturation, but because the shortcoming of its congenital framework, and can't be with the volume flattening, the trend that makes and family theater flattening more and more littler in the face of 3C Product will not applied demand.
Piezo-electric loudspeaker utilizes the piezoelectric effect of piezoelectric, in the characteristic of material deformation that piezoelectric is caused, is used for promoting the vibration membrane sounding, the flat microminiaturization of this loadspeaker structure with an additional electric field; The present market of electrostatic loudspeaker is mainly the earphone and the loudspeaker of top (Hi-End); The action principle of conventional electrostatic formula loud speaker is to seize the fixed plate electrode of two perforates on both sides by the arms conductive diaphragm to form a kind of capacitor; Through the alternating voltage of supplying with the vibrating diaphragm Dc bias and giving two fixed electrode audio frequency; The electrostatic force that utilizes positive negative electric field to take place, the drive conductive diaphragm vibrates and acoustic radiating is gone out.Hundreds of-last kilovolt that the Dc bias of conventional electrostatic formula loud speaker need reach, therefore the enlarger of external high unit price of needs and bulkiness is its reason that can't popularize.
During following individual character at soft electronic was used, sound (Audio) was an important element.But that soft electronic need possess is soft, thin, the characteristic of low driving voltage and deflection, therefore how to break through aforementioned existing design, and accomplishing the spare part that possesses the required characteristic of soft electronic will be a big emphasis.
Summary of the invention
The object of the present invention is to provide a kind of dynamic planar loudspeakers monomer and dynamic planar loudspeakers device, solve prior art when improving acoustic pressure power, dynamic planar loudspeakers and drive circuit be complicated problems too, and promotes product diversification.
Loudspeaker monomer simple structure of the present invention, the prior art of can arranging in pairs or groups and manufacture craft are suitable for a large amount of productions.
Dynamic planar loudspeakers monomer of the present invention or dynamic planar loudspeakers device are electrically connected to apertured electrodes and/or vibrating diaphragm in the dynamic planar loudspeakers monomer through two signal ends with signal source; So that dynamic planar loudspeakers monomer or device are sounded, to produce the effect of low distortion (Low THD).
Implement in the example a kind of dynamic planar loudspeakers monomer to be provided one, by one first apertured electrodes, one second apertured electrodes, and the position is held in wherein and vibrating diaphragm with electret layer and electrode layer is formed.In one embodiment, can add a plurality of supporters is disposed at respectively between first, second apertured electrodes and the vibrating diaphragm.
Implement in the example a kind of dynamic planar loudspeakers device to be provided one, have a plurality of above-mentioned dynamic planar loudspeakers monomers, wherein these dynamic planar loudspeakers monomers are stacked into double-layer structure at least.
In one embodiment, can add a plurality of supporters is disposed at respectively between first, second apertured electrodes and the vibrating diaphragm.And first apertured electrodes and second apertured electrodes comprise a conductive layer and a non-conductive layer, wherein, but the conductive layer of said first, second apertured electrodes and non-conductive layer pile up the relative position combination in any.In one embodiment, the non-conductive layer of one of them is faced said vibrating diaphragm in said stacked structure at least.
Implement in the example a kind of dynamic planar loudspeakers device to be provided one, make up by above-mentioned a plurality of enforcement examples one of them or a plurality of dynamic planar loudspeakers monomers.
In one embodiment; The two ends of signal source are electrically connected to first, second apertured electrodes respectively; Or in another embodiment; One end of signal source is electrically connected to first, second apertured electrodes, and the other end of signal source is electrically connected to vibrating diaphragm, the dynamic planar loudspeakers monomer is sounded so that let the vibrating diaphragm vibrations.
In one embodiment, a kind of dynamic planar loudspeakers device is provided, comprises one first dynamic planar loudspeakers monomer and one second dynamic planar loudspeakers monomer at least.Has an isolation structure between the said first dynamic planar loudspeakers monomer and the second dynamic planar loudspeakers monomer.This isolation structure can be an isolated insulation layer.The first dynamic planar loudspeakers monomer is made up of one first apertured electrodes, one second apertured electrodes and one first vibrating diaphragm that is positioned at wherein; Wherein, Comprise a plurality of sound holes respectively in first apertured electrodes and second apertured electrodes, first vibrating diaphragm comprises one first electret layer and one first electrode layer.This second dynamic planar loudspeakers monomer is made up of one the 3rd apertured electrodes, one the 4th apertured electrodes and one second vibrating diaphragm that is positioned at wherein; Wherein, Comprise a plurality of sound holes respectively in the 3rd apertured electrodes and the 4th apertured electrodes, second vibrating diaphragm comprises one second electret layer and a second electrode lay.
In one embodiment; A kind of dynamic planar loudspeakers device is provided; Comprise one first apertured electrodes, one second apertured electrodes, one the 3rd apertured electrodes and be positioned at this first apertured electrodes and this second apertured electrodes one first vibrating diaphragm, be positioned at one second vibrating diaphragm of this second apertured electrodes and the 3rd apertured electrodes; Wherein, Have a plurality of sound holes respectively in first apertured electrodes, second apertured electrodes and the 3rd apertured electrodes, first vibrating diaphragm has one first electret layer and one first electrode layer, and second vibrating diaphragm has one second electret layer and a second electrode lay.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended accompanying drawing to elaborate as follows.
Description of drawings
Figure 1A is one of them dynamic planar loudspeakers monomer generalized sections of explanation the present invention a plurality of embodiment;
Figure 1B is that explanation is piled up the dynamic planar loudspeakers monomer shown in Figure 1A two-layer and composition dynamic planar loudspeakers device;
Fig. 2 A～Fig. 2 E is the wherein dynamic planar loudspeakers monomer generalized sections of a part of a plurality of embodiment of explanation the present invention;
Fig. 3 A be explanation the present invention a plurality of embodiment one of them dynamic planar loudspeakers monomer section with and drive signal connect sketch map;
Fig. 3 B be explanation the present invention a plurality of embodiment wherein another dynamic planar loudspeakers monomer section with and drive signal connect sketch map;
Fig. 3 C for a plurality of embodiment of the present invention one of them dynamic planar loudspeakers monomer generalized section with and drive signal and connect sketch map;
Fig. 3 D for a plurality of embodiment of the present invention one of them dynamic planar loudspeakers monomer generalized section with and drive signal and connect sketch map;
Fig. 4 is that one of them dynamic planar loudspeakers monomer section and apertured electrodes of explanation the present invention a plurality of embodiment connects sketch map;
Fig. 5 A and Fig. 5 B are the connection sketch mapes that one of them dynamic planar loudspeakers monomer of a plurality of embodiment of explanation the present invention is connected with the electrode of outside source;
Fig. 6 A is a plurality of enforcement example schematic that the explanation a plurality of embodiment of the present invention dynamic planar loudspeakers monomer wherein is connected with the outside source electrode with Fig. 6 B;
Fig. 7 A～Fig. 7 D is dynamic planar loudspeakers device in the explanation embodiment of the invention and different drive signals connection sketch map;
Fig. 8 A～Fig. 8 F is dynamic planar loudspeakers device in the explanation embodiment of the invention and different drive signals connection sketch map.
The main element symbol description
100,100A, 100B: dynamic planar loudspeakers monomer
110: the first apertured electrodes
120: the second apertured electrodes
130: vibrating diaphragm
132: electret layer
134: electrode layer
140,144: support body framework
142,146: supporter
111,121: sound hole
150: isolation structure
152: supporter
200: the dynamic planar loudspeakers monomer
210,220,210A, 220A: apertured electrodes
212,212A, 222,222A: open-porous metal thin layer
214,214A, 224,224A: perforated layer
211,221: sound hole
230: vibrating diaphragm
232: electret layer
234: electrode layer
240,244: support body framework
242,246: supporter
250: isolation structure
252: supporter
310: the first apertured electrodes
320: the second apertured electrodes
330: vibrating diaphragm
332: electret layer
334: electrode layer
340: signal source
342,344: the signal source output
410: the first apertured electrodes
420: the second apertured electrodes
430: vibrating diaphragm
432: electret layer
434: electrode layer
450: signal source
452,454: the signal source output
440: electric connection structure
442: rivet
444: pad
510: vibrating diaphragm
512: electret layer
514: support body framework
520: electrode slice
522: main body
524: the sheet protuberance of extension
610,620: apertured electrodes
630: vibrating diaphragm
632: electrode layer
634: electret layer
640: signal source
642,644: the signal source output
646: electric connection terminal
646A: electrical insulation layer
648: rivet
650: pad
710,720,710B, 720B: dynamic planar loudspeakers monomer
730: isolation structure
712,714,722,724: apertured electrodes
716,726: electrode layer
718,728: electret layer
740,742: signal source
810A, 810B, 810C, 810D, 810E, 810F: dynamic planar loudspeakers device
812,814,822,824: apertured electrodes
816,826: electrode layer
818,828: electret layer
840: signal source
Embodiment
The present invention provides a kind of dynamic planar loudspeakers monomer, solves prior art when improving acoustic pressure power, and loadspeaker structure and drive circuit be complicated problems and lifting product utilization design variation too.The simple structure of dynamic planar loudspeakers monomer of the present invention, the prior art of can arranging in pairs or groups and manufacture craft are suitable for a large amount of productions.
A plurality of embodiment one of them, a kind of dynamic planar loudspeakers monomer is provided, by first, second apertured electrodes and be positioned at wherein and comprise that the vibrating diaphragm of electret layer and electrode layer forms.Between first apertured electrodes and vibrating diaphragm, or between second apertured electrodes and vibrating diaphragm, form the air-gap (Air Gap) of sounding.
In one embodiment, can add a plurality of supporters and be disposed between first apertured electrodes and the vibrating diaphragm, or/and can add a plurality of supporters and be disposed between second apertured electrodes and the vibrating diaphragm.
At an embodiment; The dynamic planar loudspeakers monomer is to be fixed by a support body framework; And it is inboard at this support body framework; Respectively by first, second apertured electrodes and have electret layer and the vibrating diaphragm of electrode layer piles up and forms, wherein and insert a plurality of supporters, these supporters can design according to certain configuration style (Patterns) according to demand.
Implement in the example a kind of dynamic planar loudspeakers device to be provided one, have a plurality of above-mentioned dynamic planar loudspeakers monomers, wherein these dynamic planar loudspeakers monomers are stacked into double-layer structure at least.
A plurality of embodiment one of them, first, second apertured electrodes includes a conductive layer and a non-conductive layer, wherein, but the conductive layer of first or second apertured electrodes and non-conductive layer pile up the relative position combination in any.A plurality of embodiment one of them, first, second apertured electrodes includes a conductive layer.
In one embodiment, the non-conductive layer of one of them is faced said vibrating diaphragm in said stacked structure at least.For example, the conductive layer of first apertured electrodes is outside, but not conductor planes is to vibrating diaphragm, and at this moment, the conductive layer of second apertured electrodes can outwards or towards vibrating diaphragm all can.Such design; Be to consider that at least the thickness of dynamic planar loudspeakers monomer is quite thin; And at first, second apertured electrodes and vibrating diaphragm when vibrations are sounded, the amplitude of vibration of avoiding electret layer is excessive and cause the electrode layer of electret layer to touch the electrode on first, second apertured electrodes and cause the situation of short circuit.
Implement in the example a kind of dynamic planar loudspeakers device to be provided one, make up by above-mentioned a plurality of enforcement examples one of them or a plurality of dynamic planar loudspeakers monomers.Through in one embodiment; The sound source signal that imposes opposed polarity is connected respectively to first apertured electrodes, second apertured electrodes; Or in another embodiment; The sound source signal that imposes same polarity is to first apertured electrodes and second apertured electrodes, and the sound source signal of another polarity is connected to the vibrating diaphragm that comprises electret layer, so as to let electret layer vibrating diaphragm vibrations and the dynamic planar loudspeakers device is sounded.For example, when one first end of signal source was connected to first apertured electrodes, second end of signal source then was connected to second apertured electrodes simultaneously.When the signal positive-negative polarity signal of signal source alternately is connected to first, second apertured electrodes through said first end; Because the charge characteristic that the electret layer of vibrating diaphragm itself has, can let vibrating diaphragm produce vibrations and promote the air in the air-gap and send corresponding sound.And in other embodiment, can select at least first, second apertured electrodes or vibrating diaphragm imposes the signal of opposed polarity, so that sound.
Above-mentioned connected mode is in order to produce the phenomenon of low distortion (Low THD), just to reduce the situation of distortion.
Electret
Above-mentioned dynamic planar loudspeakers monomer, the charge characteristic and the electrostatic force effect of utilization electret (Electret) material internal stimulate when electret vibrating membrane receives external voltage, will produce distortion in the vibrating diaphragm surface, and then the air that drives arround the vibrating diaphragm produce sound.Learn that through electrostatic force formula and energy law vibrating diaphragm is stressed for the capacitance of whole loud speaker is multiplied by internal electric field size and outside sound import voltage signal, and if electret vibrating membrane is stressed big more, then output sound is big more.
Above-mentioned dynamic planar loudspeakers unibody construction is simple, and the prior art of can arranging in pairs or groups carries out manufacture craft, is suitable for a large amount of production, can effectively reduce manufacturing cost.Present embodiment can promote the dynamic planar loudspeakers high-reliability and improve the phonation efficiency method for designing, and this will be one of important technology of dynamic planar loudspeakers.And the structure of this dynamic planar loudspeakers monomer can select to have the pliable loudspeaker monomer of flexible and flexural property, certainly, then must be employed on the material chosen under the deflection situation not can influencing characterisitic material made.
Inner charge characteristic and the electrostatic force effect of present embodiment utilization electret after electret vibrating membrane receives the external voltage stimulation, produces the distortion on vertical vibrating diaphragm surface.Also even vibrating diaphragm four limits are fixed, and the distortion that can avoid producing parallel vibrating diaphragm surface direction produces, and has the distortion perpendicular to the vibrating diaphragm surface direction to produce, and then the air that drives arround the vibrating diaphragm produces sound.Learning vibrating diaphragm through electrostatic force formula and energy law, stressed if electret vibrating membrane is stressed big more, then output sound is big more for the capacitance of whole loud speaker is multiplied by internal electric field size and outside sound import voltage signal, its principle narration as after.
According to Coulomb's law, the electric charge product of two charged objects is proportional to interaction electrostatic force, is inversely proportional to the square distance of two things; If two electric charges are when being all plus or minus, and its object receives mutual exclusion electrostatic force, and when electric charge one positive was negative, its object received to inhale mutually electrostatic force.The electret that dynamic planar loudspeakers monomer of the present invention is used; Can be a kind of have receive the nano-pore electret composite materials electro-acoustic actuator of micron size; The dynamic planar loudspeakers monomer is two equidistant or electret vibrating membranes of clamping a slice asymmetricly of the dull and stereotyped symmetry of charged apertured electrodes; Structure as a kind of capacitor device, and aforementioned two apertured electrodes flat boards are with positive and negative voltage (from signal source) respectively.According to Coulomb's law, middle electret vibrating membrane, with receiving an attraction and an electrostatic force repulsion simultaneously, the vibrating diaphragm unit are can be represented by (formula 1) by the electrostatic force formula.
p = 2 V In V e ϵ 0 ( 1 S a + ϵ e S e ) ϵ e S e ( S e + ϵ e S a ) 2 --(formula one)
Permittivity of vacuum ε wherein o=8.85*10 -12F/m, the DIELECTRIC CONSTANTS of electret e, the thickness S of electret e, air layer thickness S a, applied signal voltage V In, the voltage V of electret e, the stressed p of vibrating diaphragm unit.Can know that by (formula one) electrostatic force is proportional to the product of bias voltage and message voltage, be inversely proportional to the distance between apertured electrodes flat board and electret vibrating membrane.Therefore, if under identical distance, electrostatic loudspeaker can provide a high electricity of staying, and the message alternating voltage can reach required electrostatic force with low relatively voltage.Present embodiment utilizes the nano-micron pore electret composite materials, and the hundreds of electric weight of staying to last kilovolt can be provided, and according to aforementioned electrostatic force formula, it is special that present embodiment message voltage can be reduced to for ten three ten-day periods of hot season, thereby improve the practicality of the dynamic planar loudspeakers of present embodiment.
By aforementioned principles, electret vibrating membrane receives one and pushes away-La electrostatic force under the positive and negative bias effect of two apertured electrodes flat boards, causes the vibration of aforementioned electret vibrating membrane, compress ambient air, and produce voice output.
In the present embodiment design; Electret vibrating membrane may be selected to be the electret vibrating membrane that can possess electrostatic charge (Static Charges) after for example dielectric material process electrification (Electrized) processing for a long time; And electret vibrating membrane can be the made vibrating diaphragm of single or multiple lift dielectric material (Dielectric Materials); And this dielectric material can be for example fluorinated ethylene propylene copolymer (FEP), polytetrafluoroethylene (PTFE), polyvinylidene fluoride (PVDF), part fluoro containing polymers polymer (Fluorine Polymer) and other suitable materials, and this dielectric material inside comprises the nano-micron pore hole.Can possess electrostatic charge because electret vibrating membrane is a dielectric material for a long time through staying after the electric treatment, behind corona charging, produce bipolarity electric charge (Dipolar Charges) and produce electrostatic efficiency at material internal.
And with present; The acoustic pressure of dynamic planar loudspeakers monomer possibly can't be reached volume at short notice because of material or design factor and improve effect; And now the improvement design mode being main towards electret vibrating membrane raising or acoustic construction design (Acoustic structure) in the electric weight; But preceding method all needs research consuming time can't reach the Application Design demand that volume improves at short notice, and the method for therefore utilizing monomer structure design improved mode to reach volume lifting effect also is one of benefit of present embodiment.
In an other embodiment, propose to utilize the dynamic planar loudspeakers monomer to make up, but, can reach the sounding effect of driving multiple sets dynamic planar loudspeakers monomer in the design that does not change input signal source, solve the restricted problem of material etc. rapidly.
Electrode layer material
In the embodiment of above-mentioned a plurality of dynamic planar loudspeakers monomers; Characteristic with deflection, just first, second apertured electrodes or vibrating diaphragm can use and have transparent macromolecular material, like Merlon (Polycarbonate; PC), polyethylene parabenzoic acid ester (Polyethylene Terephthalate; PET), the light polymer of ring-type alkene (Cyclic Olefin Copolymer, COC), polymethyl methacrylate (Polymethyl Methacrylate, PMMA) etc.; And first, second apertured electrodes can be the material with transparency; As indium tin oxide (Indium Tin Oxide, ITO) or indium-zinc oxide (Indium Zinc Oxide IZO) waits material.And if need the material of reflection characteristic, then can be metallic reflective coatings such as aluminium, silver etc.
In one embodiment, first, second apertured electrodes can comprise single metal level with conductive effect.In another embodiment, first, second apertured electrodes insulating barrier that also can not have a conductive material and conductive layer with conductive material arranged in pairs or groups.
If do not consider printing opacity or reflection characteristic; When insulating barrier is plastic cement (PET, PC), rubber, paper, non-conductive cloth electrically non-conductive materials such as (cotton fiber, macromolecular fibres); Then conductive layer can be simple metal material or bimetallic material or indium tin oxide (Indium Tin Oxide such as its alloy or Ni/Au such as aluminium, gold, silver, copper; ITO) or indium-zinc oxide (Indium Zinc Oxide, IZO) one of them or its combination, or conductive polymer material PEDOT or the like.
If first, second apertured electrodes can be single conductive material, then can be metal (iron, copper, aluminium etc. or its alloy) for example, conduction cloth (metallic fiber, oxidized metal fiber, carbon fiber, graphite fibre) one of them or can be the combination of different conductive material.
Supporter
Present embodiment proposes the design of dynamic planar loudspeakers monomer, a plurality of embodiment one of them, can add a plurality of supporters and be disposed between first, second apertured electrodes and the vibrating diaphragm.Said supporter can carry out designs such as various one patterned of supporter or height change according to the specification demand, place first, second apertured electrodes not have the zone of hole this dynamic planar loudspeakers monomer.
The dynamic planar loudspeakers monomer is then considered in the distribution of supporter, and the design of configuration mode, height etc. can be arranged.The supporting body structure design is inserted optimized supporter design according to considering of audio frequency design, and the design of configuration mode, height etc. can be arranged.And this supporter configuration designs arbitrary shapes such as can be point-like, palisade or type crosswise or dissimilar mix and match or the like design, and the distance between supporter can design the design that actual state reaches best configuration according to audio frequency.
The manufacture craft of above-mentioned supporter can adopt the transfer printing or the mode of commentaries on classics subsides on apertured electrodes, also can directly on apertured electrodes, adopt printing technology such as ink jet printing (Inkjet Printing) or directly for example wire mark methods such as (Screen Printing) formation of print process.In another embodiment; The manufacture craft of supporter also can adopt the mode of direct applying; As make in advance and insert again between first, second open-porous metal electrode and vibrating diaphragm after supporter is accomplished, and supporter can take with vibrating diaphragm (or open-porous metal electrode) adhesion (Adhesion) or nonadherent two kinds of designs are arranged.
In other embodiment, the manufacture craft of supporter also can adopt the etching mode or the mode of photoresist exposure imaging to make, or adopts a some glue mode to form.
In one embodiment, the dynamic planar loudspeakers device that proposes has a plurality of above-mentioned dynamic planar loudspeakers monomers.This dynamic planar loudspeakers device can adopt continous way winding manufacture craft; Utilize the soft loadspeaker structure of tool electret vibrating membrane; Break through the traditional mode of production design cycle, utilize the continous way of coiled strip formula to process mode, modes such as collocation punch forming, die casting, gummed form the loudspeaker monomer material of coiled strip formula; Can significantly reduce the cost of manufacture of existing loud speaker thus; And the factor material can provide the space of large tracts of land, industrial design such as irregularly shaped, for the new kenel life application product in future sizable application space is arranged, and this also is a big emphasis of soft electronic spare part.
A kind of manufacturing approach of dynamic planar loudspeakers monomer is proposed in one embodiment.In the method, first apertured electrodes, second apertured electrodes, vibrating diaphragm are provided.On vibrating diaphragm, form conductive layer.And on one of first apertured electrodes and vibrating diaphragm, form a plurality of first supporters.On one of second apertured electrodes and vibrating diaphragm, form a plurality of second supporters.Make up said first apertured electrodes, second apertured electrodes and vibrating diaphragm,, and between the vibrating diaphragm and second apertured electrodes, another oscillation space is provided so that between first apertured electrodes and vibrating diaphragm, oscillation space is provided.
The present invention provides the manufacturing approach of another kind of dynamic planar loudspeakers monomer.In the method, form conductive layer on vibrating diaphragm, on one of first apertured electrodes and said vibrating diaphragm, form a plurality of first supporters.On one of second apertured electrodes and said vibrating diaphragm, form a plurality of second supporters.Make up above-mentioned first apertured electrodes, vibrating diaphragm and second apertured electrodes,, and between the said vibrating diaphragm and second apertured electrodes, second oscillation space is provided between first apertured electrodes and vibrating diaphragm so that first oscillation space is provided.And said method is a form with Scroll material (Roll-based Materials) first apertured electrodes, vibrating diaphragm and second apertured electrodes are provided.Therefore, at least one step can be carried out with continous way winding manufacture craft (Roll to Roll processing) in the middle of forming conductive layer on the vibrating diaphragm, form a plurality of first supporters, form a plurality of second supporters and making up the step of first apertured electrodes, vibrating diaphragm and second apertured electrodes.
The beneath utilizations that tool high-reliability dynamic planar loudspeakers monomer proposed by the invention and many group dynamic planar loudspeakers monomer stacked structures will be described with various embodiment.
Shown in Figure 1A, dynamic planar loudspeakers monomer 100 of the present invention is by first apertured electrodes 110, second apertured electrodes 120 and be positioned at wherein and have electret layer 132 and form with 130 of the vibrating diaphragms of electrode layer 134.Between first apertured electrodes 110 and vibrating diaphragm 130, or between second apertured electrodes 120 and vibrating diaphragm 130, can form the air-gap of sounding.Dynamic planar loudspeakers monomer 100 of the present invention in one embodiment, first apertured electrodes 110, second apertured electrodes 120 and vibrating diaphragm 130 can combine with support body framework 140,144 to support.In support body framework 140 inboards, between first apertured electrodes 110 and vibrating diaphragm 130, a plurality of first supporters 142 are set.In support body framework 144 inboards, between second apertured electrodes 120 and vibrating diaphragm 130, a plurality of second supporters 146 are set.These supporters 142,146 can design according to certain configuration style (Patterns) according to demand.That is to say, the height between first apertured electrodes 110 and vibrating diaphragm 130, or between second apertured electrodes 120 and the vibrating diaphragm 130, can design different height as required.In addition, first, second supporter 142,146 also can design according to different height.
First apertured electrodes 110 and second apertured electrodes 120 have a plurality of sound holes 111,121 respectively, the hole that passes through as sound.Vibrating diaphragm 130 then is to comprise an electret layer 132 and an electrode layer 134.The driving operations method of this dynamic planar loudspeakers monomer 100 will be explained down below.
And the patterning of supporter can solve in the dynamic planar loudspeakers monomer issuable electrostatic effect between the vibrating diaphragm and apertured electrodes.First supporter 142 between first apertured electrodes 110 and the vibrating diaphragm 130 for example; Can be according to the different different layout type of needs design; Can form the arrangement of geometric shape according to the electrostatic effect size decision of vibrating diaphragm 130, the distance between a plurality of supporters of the arrangement of these geometric shapes consideration capable of using or configuration of supporter height or the like.Also can consider the design of indivedual supporter shapes in addition, comprise and adopt point-like, palisade or type crosswise or the like layout type.And, can adopt the different geometric shape for the external form of supporter itself, comprise triangle cylindricality, cylindrical or rectangle or the like.
And implement in the example a kind of dynamic planar loudspeakers device to be provided at another, have a plurality of above-mentioned dynamic planar loudspeakers monomers, wherein these dynamic planar loudspeakers monomers are stacked into double-layer structure at least.Please with reference to Figure 1B, then be that explanation is piled up the dynamic planar loudspeakers monomer shown in Figure 1A two-layer and formed this dynamic planar loudspeakers device, dynamic planar loudspeakers monomer 100A and 100B as shown in the figure wherein then are configuration one isolation structures 150.In this isolation structure 150, also configurable a plurality of supporters 152.Supporter 152 can be arranged at the non-open area of apertured electrodes.
Of Figure 1A, the patterning of supporter can solve in the dynamic planar loudspeakers monomer issuable electrostatic effect between the vibrating diaphragm and apertured electrodes.Therefore, in dynamic planar loudspeakers monomer 100A and 100B, have a plurality of first supporters and a plurality of second supporter respectively, and these first supporters and second supporter comprise one first layout patterns and one second layout patterns (not shown) respectively.Wherein, first layout patterns and second layout patterns are respectively to be disposed between first apertured electrodes and the vibrating diaphragm film, or the electrostatic effect between second apertured electrodes and the vibrating diaphragm and adjusting.And being shape or these supporter allocation positions through said first supporter and second supporter, the first above-mentioned layout patterns and second layout patterns constitute for example adjacent distance or individual other difference in height or the like.
, be the wherein dynamic planar loudspeakers monomer generalized sections of a part of a plurality of embodiment of explanation the present invention please with reference to Fig. 2 A～Fig. 2 E.Dynamic planar loudspeakers monomer 200 is by first apertured electrodes 210, second apertured electrodes 220 and be positioned at wherein and have electret layer 232 and form with 230 of the vibrating diaphragms of electrode layer 234.Between first apertured electrodes 210 and vibrating diaphragm 230, or between second apertured electrodes 220 and vibrating diaphragm 230, form the air-gap of sounding.This dynamic planar loudspeakers monomer 200 in support body framework 240 inboards, between first apertured electrodes 210 and vibrating diaphragm 230, is provided with a plurality of first supporters 242 in one embodiment.In support body framework 244 inboards, between second apertured electrodes 220 and vibrating diaphragm 230, a plurality of second supporters 246 are set.These supporters 242,246 can design according to certain configuration style (Patterns) according to demand.That is to say, the height between first apertured electrodes 210 and vibrating diaphragm 230, or between second apertured electrodes 220 and the vibrating diaphragm 230, can design different height as required.In addition, supporter 242,246 also can design according to different height.First apertured electrodes 210 and second apertured electrodes 220 have a plurality of sound holes 211,221 respectively, the hole that passes through as sound.Vibrating diaphragm 230 then is to comprise an electret layer 232 and an electrode layer 234.
In the embodiment of Fig. 2 A～Fig. 2 E, first apertured electrodes and second apertured electrodes comprise an open-porous metal thin layer and a perforated layer respectively, but and the open-porous metal thin layer of apertured electrodes and perforated layer pile up the relative position combination in any.
Like Fig. 2 A is example, and first apertured electrodes 210 comprises that the first open-porous metal thin layer 212 and first perforated layer, 214, the second apertured electrodes 220 comprise the second open-porous metal thin layer 222 and second perforated layer 224.The first open-porous metal thin layer 212 of first apertured electrodes 210 then is to be positioned at the direction of outwards sounding towards vibrating diaphragm 230, the first perforated layer 214.The second open-porous metal thin layer 222 of second apertured electrodes 220 then is to be positioned at the direction of outwards sounding towards vibrating diaphragm 230, the second perforated layer 224.
And implement in the example a kind of dynamic planar loudspeakers device to be provided at another, have a plurality of above-mentioned dynamic planar loudspeakers monomers, wherein these dynamic planar loudspeakers monomers are stacked into double-layer structure at least.
, then be that explanation is with the open-porous metal thin layer of above-mentioned multiple apertured electrodes and the dynamic planar loudspeakers monomer that piles up the relative position combination in any of perforated layer please with reference to Fig. 2 A.Pile up two-layer and form the structure of this dynamic planar loudspeakers device, dynamic planar loudspeakers monomer 200A and 200B shown in Fig. 2 B wherein then are optionally to dispose an isolation structure 250.In this isolation structure 250, also configurable a plurality of supporters 252.This isolation structure 250 and nonessential can dispose wherein, or not need this structure all to belong to the category of present embodiment.
A plurality of embodiment one of them, shown in Fig. 2 C, structure and Fig. 2 category-A seemingly comprise the first open-porous metal thin layer 212A and the first perforated layer 214A but difference is the first apertured electrodes 210A.First perforated layer 214 of the first apertured electrodes 210A is positioned at the direction of outwards sounding towards vibrating diaphragm 230, the first open-porous metal thin layer 212A, and second apertured electrodes 220 comprises the second open-porous metal thin layer 222 and second perforated layer 224.The second open-porous metal thin layer 222 of second apertured electrodes 220 then is to be positioned at the direction of outwards sounding towards vibrating diaphragm 230, the second perforated layer 224.
A plurality of embodiment one of them, shown in Fig. 2 D, structure and Fig. 2 C are similar, comprise the first open-porous metal thin layer 212A and the first perforated layer 214A but difference is the first apertured electrodes 210A.The second apertured electrodes 220A comprises the second open-porous metal thin layer 222A and the second perforated layer 224A.First perforated layer 214 of the first apertured electrodes 210A is positioned at the direction of outwards sounding towards vibrating diaphragm 230, the first open-porous metal thin layer 212A.The second perforated layer 224A of the second apertured electrodes 220A is positioned at the direction of outwards sounding towards vibrating diaphragm 230, the second open-porous metal thin layer 222A.And for example shown in Fig. 2 E, structure and Fig. 2 category-A seemingly are positioned at the direction of outwards sounding but difference is the second perforated layer 224A of the second apertured electrodes 220A towards vibrating diaphragm 230, the second open-porous metal thin layer 222A.
Dynamic planar loudspeakers monomer among above-mentioned Fig. 2 A～many embodiment of Fig. 2 E when forming the dynamic planar loudspeakers device, can have a plurality of above-mentioned dynamic planar loudspeakers monomers, and wherein these dynamic planar loudspeakers monomers are stacked into double-layer structure at least.And the configurable electrical isolation structure of the dynamic planar loudspeakers monomer that these pile up.
At one of them dynamic planar loudspeakers monomer that is proposed of a plurality of embodiment; When forming the dynamic planar loudspeakers device; Can be designed to crooked structure, for example the shape of concave or convex changes the directive property angle that the dynamic planar loudspeakers device is sounded; This concave or convex refers to the external form of whole dynamic planar loudspeakers, and its external form comprises apertured electrodes, insulating barrier, vibrating diaphragm.And the shape of this dynamic planar loudspeakers monomer concave or convex, can be according to electret layer electrically do different designs.
Dynamic planar loudspeakers monomer driving method
Fig. 3 A is one of them dynamic planar loudspeakers monomer generalized section of a plurality of embodiment of the present invention, with and drive signal connect sketch map.This dynamic planar loudspeakers monomer is by first apertured electrodes 310, second apertured electrodes 320 and be positioned at wherein and have electret layer 332 and form with 330 of the vibrating diaphragms of electrode layer 334.Between first apertured electrodes 310 and vibrating diaphragm 330, or between second apertured electrodes 320 and vibrating diaphragm 330, form the air-gap of sounding.Between first apertured electrodes 310 and vibrating diaphragm 330, a plurality of supporters are set.Vibrating diaphragm 330 comprises an electret layer 332 and an electrode layer 334.
In the present embodiment, inner charge characteristic and the electrostatic force effect of utilization electret, wherein, vibrating diaphragm can be electret composite materials, and it can inject positive charge or negative electrical charge, to form different effect.And signal source 340 is connected to the annexation of dynamic planar loudspeakers monomer, can electrically deciding according to electret layer 332.For example; In one embodiment; The electret layer 332 of vibrating diaphragm 330 is for example had negative electrical charge stationed, and the signal source 340 in order to source of sound to be provided, its connected mode is shown in Fig. 3 A; One end 342 of signal source 340 is connected to the first open-porous metal thin layer of first apertured electrodes 310, and the other end 344 of signal source 340 is connected to the second open-porous metal thin layer of second apertured electrodes 320.
When the positive voltage of signal source 340 is sent to first apertured electrodes 310; Positive voltage on first apertured electrodes 310 and the negative electrical charge on the vibrating diaphragm 330 produce attraction; In addition, the negative voltage of signal source 340 is sent to second apertured electrodes 320, and produces repulsive force with the negative electrical charge of vibrating diaphragm 330; Therefore, cause vibrating diaphragm 330 crooked toward the direction of the air-gap between first apertured electrodes 310 and the vibrating diaphragm 330.In addition; Same situation, when the positive voltage of signal source 340 was sent to second apertured electrodes 320, positive voltage on second apertured electrodes 320 and the negative electrical charge on the vibrating diaphragm 330 produced attraction; And the negative voltage of signal source 340 is when being sent to first apertured electrodes 310; And produce repulsive force with the negative electrical charge of vibrating diaphragm 330, and cause the direction bending of the air-gap of vibrating diaphragm 330 between second apertured electrodes 320 and vibrating diaphragm 330, as shown in the figure.
The dynamic planar loudspeakers monomer of this embodiment is inner charge characteristic and the electrostatic force effect of utilization electret, after the vibrating diaphragm with electret layer 330 receives the external voltage stimulation, produces the distortion perpendicular to the vibrating diaphragm surface.Also even vibrating diaphragm 330 4 limits are fixed, and the distortion that can avoid producing parallel vibrating diaphragm surface direction produces, and has the distortion perpendicular to the vibrating diaphragm surface direction to produce, and then the air that drives arround the vibrating diaphragm 330 produces sound.And 340 sound source signals that phase alternation is provided of signal source then can let this dynamic planar loudspeakers monomer receive force direction (attracting each other or mutually exclusive active force) through different vibrating diaphragm 330, produce to have different frequency and/or volume different audio.
Fig. 3 B is one of them dynamic planar loudspeakers monomer generalized section of a plurality of embodiment of the present invention, with and drive signal connect sketch map.This dynamic planar loudspeakers monomer is identical with Fig. 3 A.Difference is to provide signal source 340 connected modes of sound source signal.Shown in Fig. 3 B, an end 342 of signal source 340 is connected to first open-porous metal thin layer of first apertured electrodes 310 and the second open-porous metal thin layer of second apertured electrodes 320 simultaneously, and the other end 344 of signal source 340 is connected to vibrating diaphragm 330.
When the positive voltage of signal source 340 was sent to first apertured electrodes 310 and second apertured electrodes 320, the negative voltage in synchronous signal source 340 was sent to vibrating diaphragm 330, and more strengthens the negative charge effect of vibrating diaphragm 330, causes the situation of vibrating diaphragm 330 vertical tremors.When 330 4 limits of the vibrating diaphragm with electret layer are fixed; The distortion that can avoid producing parallel vibrating diaphragm surface direction produces; Distortion perpendicular to the vibrating diaphragm surface direction is produced; And 340 sound source signals that phase alternation is provided of signal source then can let this dynamic planar loudspeakers monomer receive force direction by different vibrating diaphragm 330, produce to have different frequency and/or volume different audio.
Fig. 3 C for a plurality of embodiment of the present invention one of them dynamic planar loudspeakers monomer generalized section with and drive signal and connect sketch map.This dynamic planar loudspeakers monomer, with Fig. 3 category-A seemingly.Difference is that the first open-porous metal thin layer of first apertured electrodes 310 is outside, and first perforated layer of first apertured electrodes 310 is towards vibrating diaphragm 330.In addition, the second open-porous metal thin layer of second apertured electrodes 320 is outside, and second perforated layer of second apertured electrodes 320 is towards vibrating diaphragm 330.
Fig. 3 D for a plurality of embodiment of the present invention one of them dynamic planar loudspeakers monomer generalized section with and drive signal and connect sketch map.This dynamic planar loudspeakers monomer is identical with Fig. 3 C.Difference is to provide signal source 340 connected modes of source of sound signal.Shown in Fig. 3 B, an end 342 in signal source 340 is connected to first open-porous metal thin layer of first apertured electrodes 310 and the second open-porous metal thin layer of second apertured electrodes 320 simultaneously, and the other end 344 in signal source 340 is connected to vibrating diaphragm 330.
Please with reference to Fig. 4, be that one of them dynamic planar loudspeakers monomer generalized section and apertured electrodes of a plurality of embodiment of explanation the present invention connects sketch map.This dynamic planar loudspeakers monomer is by first apertured electrodes 410, second apertured electrodes 420 and be positioned at wherein and have electret layer 432 and form with 430 of the vibrating diaphragms of electrode layer 434.Between first apertured electrodes 410 and vibrating diaphragm 430, or between second apertured electrodes 420 and vibrating diaphragm 430, form the air-gap of sounding.Between first apertured electrodes 410 and vibrating diaphragm 430, a plurality of supporters are set.Vibrating diaphragm 430 comprises an electret layer 432 and an electrode layer 434.Present embodiment is identical with the syndeton of Fig. 3 B; One end 452 of signal source 450 is connected to first open-porous metal thin layer of first apertured electrodes 410 and the second open-porous metal thin layer of second apertured electrodes 420 simultaneously, and the other end 454 of signal source 450 is connected to vibrating diaphragm 430.And in this embodiment, be that explanation utilization electric connection structure 440 carries out one of electric connection mode embodiment sketch map with first apertured electrodes 410 and second apertured electrodes 420.In electric connection structure 440, be for example to utilize rivet 442 to be electrically connected with fixing.As shown in the figure, rivet 442 passes first apertured electrodes 410 and second apertured electrodes 420 respectively, and is fixed on the pad 444.
Fig. 5 A and Fig. 5 B then are the connection sketch mapes that one of them dynamic planar loudspeakers monomer of a plurality of embodiment of explanation the present invention is connected with the electrode of outside source.In this dynamic planar loudspeakers monomer, the enforcement example that the electrode layer 512 on the vibrating diaphragm 510 and the structure of support body framework 514, show electrode layer 512 are connected with the electrode of outside source.In this embodiment, utilization has for example illustrated electrode slice 520.And the characteristic of this electrode slice 520 promptly comprises a main body 522, and the sheet protuberance 524 of a plurality of extensions.Electrode slice 520 is affixed on electrode layer 512, and main body 522 falls within on the support body framework 514.Utilize these sheet protuberances 524 electrically to engage with vibrating diaphragm 510.The mode of above-mentioned joint, (Anisotropic Conductive Film ACF) connects via high temperature pressing mode for example to use conducting resinl with conductive characteristic or anisotropy conducting film.
Fig. 6 A is a plurality of enforcement example schematic that the explanation a plurality of embodiment of the present invention dynamic planar loudspeakers monomer wherein is connected with the outside source electrode with Fig. 6 B.
Please with reference to Fig. 6 A and Fig. 6 B, be the connection sketch map that one of them dynamic planar loudspeakers monomer of a plurality of embodiment of explanation the present invention is connected with the electrode of outside source.This dynamic planar loudspeakers monomer is made up of first apertured electrodes 610, second apertured electrodes 620 and 630 of vibrating diaphragms being positioned at wherein.Vibrating diaphragm 630 comprises an electrode layer 632 and an electret layer 634.
In first embodiment; One end 642 of signal source 640 is connected to first open-porous metal thin layer of first apertured electrodes 610 and the second open-porous metal thin layer of second apertured electrodes 620 simultaneously; And the other end 644 of signal source 640 is connected to vibrating diaphragm 630, shown in Fig. 6 A.In a second embodiment, an end 642 of signal source 640 is connected to the first open-porous metal thin layer of first apertured electrodes 610, and the other end 644 of signal source 640 is connected to the second open-porous metal thin layer of second apertured electrodes 620, shown in Fig. 6 B.
In above-mentioned first embodiment, both are electrically connected to signal source 640 and first apertured electrodes 610 and second apertured electrodes 620, and this structure can be shown in Fig. 6 A, and for example utilizing, rivet 648 is electrically connected with fixing.As shown in the figure, rivet 648 passes an apertured electrodes (as 610 or 620) and an electric connection terminal 646, and is fixed on the pad 650, so that riveted.
In a second embodiment; If connected mode like Fig. 6 B; Then because to signal source 640 opposed polarities two ends be electrically connected with first open-porous metal thin layer of first apertured electrodes 610 and the second open-porous metal thin layer of second apertured electrodes 620 respectively; This structure can be shown in Fig. 6 B, and for example utilizing, rivet 648 is electrically connected with fixing.As shown in the figure, rivet 648 passes first apertured electrodes 610, second apertured electrodes 620 and an electrical insulation layer 646A, and is fixed on the pad 650, so that riveted.Let first apertured electrodes 610 and second apertured electrodes, 620 electrical isolation.
The dynamic planar loudspeakers device that many group dynamic planar loudspeakers monomers pile up
The dynamic planar loudspeakers device of tool high-reliability proposed by the invention; The dynamic planar loudspeakers monomer that previous embodiment capable of using proposed carries out different change sets and closes; But in the design that does not change input signal source; And the end points of adjustment positive-negative polarity can be reached the sounding effect of driving multiple sets dynamic planar loudspeakers monomer.
Under will explain that use proposed by the invention organizes the high-reliability loudspeaker monomer more and pile up the dynamic planar loudspeakers device that forms with various embodiment.
Please, be dynamic planar loudspeakers device in the explanation embodiment of the invention and different drive signals connection sketch map with reference to Fig. 7 A～Fig. 7 D.This dynamic planar loudspeakers device has a plurality of dynamic planar loudspeakers monomers, and wherein these dynamic planar loudspeakers monomers are stacked into double-layer structure at least.And the dynamic planar loudspeakers monomer that piles up wherein then disposes an isolation structure.This isolation structure is also nonessential, can dispose wherein, or not need this structure all to belong to the category of present embodiment.In this isolation structure, also configurable a plurality of supporters.
Each isolation structure of implementing of the present invention can be insulating material, and work as the adjacent apertures electrode this moment is the different electric polarity chron.But when the adjacent apertures electrode is same electrical polarity, then can not need isolation structure; Or isolation structure can be a conductor.
Shown in Fig. 7 A, have the dynamic planar loudspeakers device of stacked structure, comprise the second dynamic planar loudspeakers monomer 720 of the first dynamic planar loudspeakers monomer 710, isolation structure 730 and the lower floor on upper strata.The first dynamic planar loudspeakers monomer 710 that is positioned at the upper strata is by first apertured electrodes 712, second apertured electrodes 714 and be positioned at wherein and the vibrating diaphragm that includes first electrode layer 716 and first electret layer 718 is formed.First apertured electrodes 712 is in the face of first electrode layer 716, and second apertured electrodes 714 is in the face of first electret layer 718.
The second dynamic planar loudspeakers monomer 720 that is positioned at lower floor is by the 3rd apertured electrodes 722, the 4th apertured electrodes 724 and be positioned at wherein and include second electret layer 728 and form with second vibrating diaphragm of the second electrode lay 726.The 3rd apertured electrodes 722 is in the face of second electret layer 728, and the 4th apertured electrodes 724 is in the face of the second electrode lay 726.The above-mentioned mode of piling up, a plurality of Considerations one of them, comprise the considering of the method that connects of position and the signal of electret layer and electrode layer, all be with the multilayer vibrating diaphragm when the vibrations, its vibrating diaphragm phase place must be consistent.
First end of first signal source 740 is connected to the first open-porous metal thin layer of first apertured electrodes 712 of the first dynamic planar loudspeakers monomer 710, and second end of first signal source 740 then is the second open-porous metal thin layer that is connected to second apertured electrodes 714.One first end in secondary signal source 742 is connected to the 3rd open-porous metal thin layer of the 3rd apertured electrodes 722 of the second dynamic planar loudspeakers monomer 720, and second end in secondary signal source 742 then is the 4th open-porous metal thin layer that is connected to the 4th apertured electrodes 724.
Above-mentioned ways of connecting; Then be when first end in first signal source 740 or secondary signal source 742 provides the signal of one first polarity; Then second end provides the signal of one second polarity; Wherein above-mentioned first polarity and second polarity are antipole property, and this first signal source 740 or secondary signal source 742 provide one have an alternating current signal, respectively through first end and second end output polarity various signals alternately.
Fig. 7 B has the dynamic planar loudspeakers device of stacked structure, and with the similar of Fig. 7 A, difference is in the vibrating diaphragm, the position of electrode layer and electret layer.In the first dynamic planar loudspeakers monomer 710B on upper strata, first apertured electrodes 712 is in the face of first electret layer 718, and second apertured electrodes 714 is in the face of first electrode layer 716.Be positioned at the second dynamic planar loudspeakers monomer 720B of lower floor, the 3rd apertured electrodes 722 is in the face of the second electrode lay 726, and the 4th apertured electrodes 724 is in the face of second electret layer 728.
Fig. 7 C has the dynamic planar loudspeakers device of stacked structure, and is identical with the structure of Fig. 7 A, but it is different to drive connected mode.First end of first signal source 740 is connected to the first open-porous metal thin layer and the second open-porous metal thin layer of second apertured electrodes 714 of first apertured electrodes 712 of the first dynamic planar loudspeakers monomer 710, and second end of first signal source 740 then is first electrode layer 716 that is connected to first vibrating diaphragm.First end in secondary signal source 742 is connected to the 3rd open-porous metal thin layer and the 4th open-porous metal thin layer of the 4th apertured electrodes 724 of the 3rd apertured electrodes 722 of the second dynamic planar loudspeakers monomer 720, and second end in secondary signal source 742 then is the second electrode lay 726 that is connected to second vibrating diaphragm.
Above-mentioned ways of connecting; Then be when first end in first signal source 740 or secondary signal source 742 provides the signal of one first polarity; Then second end provides the signal of one second polarity; Wherein above-mentioned first polarity and second polarity are antipole property, and this first signal source 740 or secondary signal source 742 provide one have an alternating current signal, respectively through first end and second end output polarity various signals alternately.
Fig. 7 D has the dynamic planar loudspeakers device of stacked structure, and is identical with the structure of Fig. 7 B, but it is different to drive connected mode.First end of first signal source 740 is connected to the first open-porous metal thin layer and the second open-porous metal thin layer of second apertured electrodes 714 of first apertured electrodes 712 of the first dynamic planar loudspeakers monomer 710, and second end of first signal source 740 then is first electrode layer 716 that is connected to first vibrating diaphragm.One end in secondary signal source 742 is connected to the 3rd open-porous metal thin layer and the 4th open-porous metal thin layer of the 4th apertured electrodes 724 of the 3rd apertured electrodes 722 of the second dynamic planar loudspeakers monomer 720, and the other end of signal source 742 then is the second electrode lay 726 that is connected to second vibrating diaphragm.
Please, be dynamic planar loudspeakers device in the explanation embodiment of the invention and different drive signals connection sketch map with reference to Fig. 8 A～Fig. 8 F.This dynamic planar loudspeakers device comprises a plurality of dynamic planar loudspeakers monomers, wherein the shared part apertured electrodes wherein of these dynamic planar loudspeakers monomers.Because the polarity of electret, but can electronegative or positively charged, connect method according to different stacked structures and signal and design and change.
Dynamic planar loudspeakers device shown in Fig. 8 A, what comprise two shared apertured electrodes piles up the dynamic planar loudspeakers monomer.This dynamic planar loudspeakers device 810A comprises second electret layer 828, the second electrode lay 826 and the 3rd apertured electrodes 824 in first electret layer 818 that from top to bottom piles up in regular turn in first apertured electrodes 812, first vibrating diaphragm, first electrode layer 816, second apertured electrodes 814, second vibrating diaphragm.One end of signal source 840 is connected to the second open-porous metal thin layer that is positioned at the second middle apertured electrodes 814 of stacked structure, and the other end of signal source 840 then is to be connected to first open-porous metal thin layer of first apertured electrodes 812 and the 3rd open-porous metal thin layer of the 3rd apertured electrodes 824.
Dynamic planar loudspeakers device shown in Fig. 8 B, what comprise two shared apertured electrodes piles up the dynamic planar loudspeakers monomer.This piles up dynamic planar loudspeakers device 810B, on the structure with Fig. 8 category-A seemingly, main difference is the position of electrode layer and electret layer in the vibrating diaphragm.As shown in the figure, from top to bottom comprise the second electrode lay 826, second electret layer 828 and the 3rd apertured electrodes 824 in first electret layer 818 in first apertured electrodes 812, first vibrating diaphragm, first electrode layer 816, second apertured electrodes 814, second vibrating diaphragm respectively.One end of signal source 840 is connected to the second open-porous metal thin layer that is positioned at the second middle apertured electrodes 814 of stacked structure, and the other end of signal source 840 then is to be connected to first open-porous metal thin layer of first apertured electrodes 812 and the 3rd open-porous metal thin layer of the 3rd apertured electrodes 824.
Dynamic planar loudspeakers device shown in Fig. 8 C, what comprise two shared apertured electrodes piles up the dynamic planar loudspeakers monomer.This piles up dynamic planar loudspeakers device 810C, on the structure with Fig. 8 category-A seemingly, main difference also is the position that is electrode layer and electret layer in the vibrating diaphragm.As shown in the figure, from top to bottom comprise the second electrode lay 826, second electret layer 828 and the 3rd apertured electrodes 824 in first electrode layer 816 in first apertured electrodes 812, first vibrating diaphragm, first electret layer 818, second apertured electrodes 814, second vibrating diaphragm respectively.One end of signal source 840 is connected to the open-porous metal thin layer that is positioned at the middle apertured electrodes 814 of stacked structure, and the other end of signal source 840 then is to be connected to first open-porous metal thin layer of first apertured electrodes 812 and the second open-porous metal thin layer of second apertured electrodes 824.
Dynamic planar loudspeakers device shown in Fig. 8 D, what comprise two shared apertured electrodes piles up the dynamic planar loudspeakers monomer.This piles up dynamic planar loudspeakers device 810D, on the structure with Fig. 8 category-A seemingly, difference is the position of electrode layer and electret layer in the vibrating diaphragm.As shown in the figure, from top to bottom comprise second electret layer 828, the second electrode lay 826 and the 3rd apertured electrodes 824 in first electrode layer 816 in first apertured electrodes 812, first vibrating diaphragm, first electret layer 818, second apertured electrodes 814, second vibrating diaphragm respectively.In this embodiment; One end of signal source 840 is connected to the first open-porous metal thin layer of first apertured electrodes 812, the second open-porous metal thin layer of second apertured electrodes 814 and the 3rd open-porous metal thin layer of the 3rd apertured electrodes 824, and the other end of signal source 840 then is first electrode layer 816 and the second electrode lay 826 in second vibrating diaphragm that is connected in first vibrating diaphragm.
Dynamic planar loudspeakers device shown in Fig. 8 E, what comprise two shared apertured electrodes piles up the dynamic planar loudspeakers monomer.This piles up dynamic planar loudspeakers device 810E, and similar with Fig. 8 C on the structure, difference is the connected mode of drive signal.In this embodiment; One end of signal source 840 is connected to the first open-porous metal thin layer of first apertured electrodes 812, the second open-porous metal thin layer of second apertured electrodes 814 and the 3rd open-porous metal thin layer of the 3rd apertured electrodes 824, and the other end of signal source 840 then is first electrode layer 816 and the second electrode lay 826 in second vibrating diaphragm that is connected in first vibrating diaphragm.
Dynamic planar loudspeakers device shown in Fig. 8 F, what comprise two shared apertured electrodes piles up the dynamic planar loudspeakers monomer.This piles up dynamic planar loudspeakers device 810F, on the structure with Fig. 8 category-B seemingly, difference is the connected mode of drive signal.In this embodiment; One end of signal source 840 is connected to the first open-porous metal thin layer of first apertured electrodes 812, the second open-porous metal thin layer of second apertured electrodes 814 and the 3rd open-porous metal thin layer of the 3rd apertured electrodes 824, and the other end of signal source 840 then is first electrode layer 816 and the second electrode lay 826 in second vibrating diaphragm that is connected in first vibrating diaphragm.
The sound hole of this of various embodiments of the present invention first, second and three apertured electrodes is provided with and same axle center accordingly.Certainly also visual demand and be provided with alternately and be not same axle center.
According to above-mentioned like Fig. 7 A～Fig. 7 D or Fig. 8 A～Fig. 8 F design; Propose to use required acoustic pressure specification for reaching product; Do not increasing under the circuit complexity design; Can aforesaid dynamic planar loudspeakers monomer be carried out a majority assembling design,, the electret electric charge of dynamic planar loudspeakers monomer carried out odd even polarity arrange in pairs or groups each other like aforesaid design concept; And provided by one group of sound source signal of outside, and collocation sound source signal input connection design can be reached the effect (and its audio distortion of reduction) that volume output improves.And Fig. 7 A～Fig. 7 D or Fig. 8 is A～Fig. 8 F (described embodiment; It only is the utilization of part; For the dynamic planar loudspeakers device of tool high-reliability proposed by the invention; The dynamic planar loudspeakers monomer that previous embodiment capable of using proposed carries out different change sets and closes, and can restrictedly not extend many group Combination Design, all belongs to category of the present invention.
Though disclosed the present invention in conjunction with above embodiment; Yet it is not in order to limit the present invention; Be familiar with this operator in the technical field under any; Do not breaking away from the spirit and scope of the present invention, can do a little change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.

Claims (64)

1. dynamic planar loudspeakers monomer; It is characterized in that comprising first apertured electrodes, second apertured electrodes and be positioned at wherein and comprise the vibrating diaphragm of electret layer and electrode layer, wherein, first apertured electrodes comprises the first open-porous metal thin layer and first perforated layer; Second apertured electrodes comprises the second open-porous metal thin layer and second perforated layer; Comprise a plurality of sound holes respectively in this first apertured electrodes and this second apertured electrodes, and between this first apertured electrodes and this vibrating diaphragm, and between this second apertured electrodes and this vibrating diaphragm; Form air-gap, vibrate generation sound with the active force between this first apertured electrodes, this second apertured electrodes and this vibrating diaphragm.
2. dynamic planar loudspeakers monomer as claimed in claim 1, wherein the first open-porous metal thin layer of this first apertured electrodes is electrically connected to first end of signal source, and the second open-porous metal thin layer of this second apertured electrodes then is electrically connected to second end of this signal source.
3. dynamic planar loudspeakers monomer as claimed in claim 1; Wherein the second open-porous metal thin layer of the first open-porous metal thin layer of this first apertured electrodes and this second apertured electrodes is electrically connected to first end of signal source, and this vibrating diaphragm electrically then is electrically connected to second end of this signal source.
4. dynamic planar loudspeakers monomer as claimed in claim 1; Wherein the second open-porous metal thin layer or this vibrating diaphragm of the first open-porous metal thin layer of this first apertured electrodes, this second apertured electrodes are electrically connected to signal source, and this annexation is electrically deciding according to this included electret layer of this vibrating diaphragm.
5. dynamic planar loudspeakers monomer as claimed in claim 1, wherein this dynamic planar loudspeakers monomer has the crooked radian structure, to change the directive property angle.
6. dynamic planar loudspeakers monomer as claimed in claim 1, wherein the material formed of this electret layer is to adopt the nano-micron pore electret composite materials.
7. dynamic planar loudspeakers monomer as claimed in claim 6; Wherein, this nano-micron pore electret composite materials comprise fluorinated ethylene propylene copolymer, polytetrafluoroethylene, polyvinylidene fluoride by being selected from, have two carbochain compounds and part fluoro containing polymers polymer material composition group wherein one.
8. dynamic planar loudspeakers monomer as claimed in claim 1, wherein this first apertured electrodes, this second apertured electrodes and this vibrating diaphragm are the material of deflection and transparent characteristic.
9. dynamic planar loudspeakers monomer as claimed in claim 8, wherein this diaphragm materials macromolecular material is to be selected from by Merlon, polyethylene parabenzoic acid ester, the light polymer of ring-type alkene and polymethyl methacrylate one of them or its combination.
10. dynamic planar loudspeakers monomer as claimed in claim 1, wherein the second open-porous metal thin layer of the first open-porous metal thin layer of this first apertured electrodes and this second apertured electrodes comprises iron, copper, aluminium or its alloy material.
11. dynamic planar loudspeakers monomer as claimed in claim 1, wherein second perforated layer of first perforated layer of this first apertured electrodes and this second apertured electrodes comprises metallic fiber, oxidized metal fiber, carbon fiber, graphite fibre one of them or combination.
12. dynamic planar loudspeakers monomer as claimed in claim 1, wherein this first apertured electrodes and this second apertured electrodes comprise the material with light transmission features, and this material is to be selected from indium tin oxide, indium-zinc oxide or aluminium zinc oxide one of them or its combination.
13. dynamic planar loudspeakers monomer as claimed in claim 1; Wherein this first perforated layer and this second perforated layer comprise that plastic cement, rubber, paper, cotton fiber, polymer fiber material form; And this first and second open-porous metal thin layer is one of them or its combination of aluminium, gold, silver, copper or its alloy or nickel/copper bi-metal material or indium tin oxide or indium-zinc oxide, or conductive polymer material.
14. dynamic planar loudspeakers monomer as claimed in claim 1, wherein the first open-porous metal thin layer of this first apertured electrodes is towards this vibrating diaphragm, and this first perforated layer is positioned at the direction of outwards sounding; The second open-porous metal thin layer that reaches this second apertured electrodes is towards this vibrating diaphragm, and this second perforated layer is positioned at the direction of outwards sounding.
15. dynamic planar loudspeakers monomer as claimed in claim 1, wherein first perforated layer of this first apertured electrodes is towards this vibrating diaphragm, and this first open-porous metal thin layer is positioned at the direction of outwards sounding; The second open-porous metal thin layer that reaches this second apertured electrodes is towards this vibrating diaphragm, and this second perforated layer is positioned at the direction of outwards sounding.
16. dynamic planar loudspeakers monomer as claimed in claim 1, wherein first perforated layer of this first apertured electrodes is towards this vibrating diaphragm, and this first open-porous metal thin layer is positioned at the direction of outwards sounding; Second perforated layer that reaches this second apertured electrodes is towards this vibrating diaphragm, and this first open-porous metal thin layer is positioned at the direction of outwards sounding.
17. dynamic planar loudspeakers monomer as claimed in claim 1, wherein the first open-porous metal thin layer of this first apertured electrodes is towards this vibrating diaphragm, and this first perforated layer is positioned at the direction of outwards sounding; First perforated layer that reaches this second apertured electrodes is towards this vibrating diaphragm, and this first open-porous metal thin layer is positioned at the direction of outwards sounding.
18. dynamic planar loudspeakers monomer as claimed in claim 1; Wherein this first apertured electrodes and this second apertured electrodes are with rivet and pad riveted; This first apertured electrodes and this second apertured electrodes are identical polar, between this first apertured electrodes and this second apertured electrodes one electric connection terminal are set.
19. dynamic planar loudspeakers monomer as claimed in claim 1; Wherein this first apertured electrodes and this second apertured electrodes are with rivet and pad riveted; And this first apertured electrodes and this second apertured electrodes are polarity inequality, between this first apertured electrodes and this second apertured electrodes one electrical insulation layer are set.
20. dynamic planar loudspeakers monomer as claimed in claim 1, wherein the electrode layer of this vibrating diaphragm is provided with electrode slice, and this electrode slice comprises main body and a plurality of protuberance, and this main body is positioned on the support body framework, and this protuberance is electrically engaged with this vibrating diaphragm.
21. dynamic planar loudspeakers monomer as claimed in claim 20, wherein this protuberance and this vibrating diaphragm juncture be one have conductive characteristic conducting resinl or anisotropy conducting film be connected through the high temperature pressing.
22. dynamic planar loudspeakers monomer as claimed in claim 1 wherein disposes a plurality of first supporters, and between this second apertured electrodes and this vibrating diaphragm, disposes a plurality of second supporters between this first apertured electrodes and this vibrating diaphragm.
23. dynamic planar loudspeakers monomer as claimed in claim 22; Wherein those first supporters and those second supporters comprise first layout patterns and second layout patterns respectively; Wherein this first layout patterns and this second layout patterns are respectively to be disposed between this first apertured electrodes and this vibrating diaphragm, and the electrostatic effect between this second apertured electrodes and this vibrating diaphragm and adjusting.
24. dynamic planar loudspeakers monomer as claimed in claim 23, wherein this first layout patterns and this second layout patterns are that shape or those supporter allocation positions through those supporters constitutes.
25. dynamic planar loudspeakers monomer as claimed in claim 22, wherein those first supporters and those second supporters be shaped as point-like, palisade, type crosswise, triangle cylindricality, cylindrical or rectangle one of them.
26. dynamic planar loudspeakers monomer as claimed in claim 22, wherein those first supporters and those second supporters adopt printing technology, directly print process, laser processing method or cutting technique and stamping technology formation.
27. dynamic planar loudspeakers monomer as claimed in claim 22, wherein those first supporters and those second supporters are to adopt the mode of fitting, fit in respectively between this first apertured electrodes and this vibrating diaphragm, and between this second apertured electrodes and this vibrating diaphragm.
28. dynamic planar loudspeakers monomer as claimed in claim 1, wherein this first apertured electrodes, this second apertured electrodes and this vibrating diaphragm are combined to support by a support body framework.
29. a dynamic planar loudspeakers device is by a plurality of dynamic planar loudspeakers monomers as claimed in claim 1.
30. a dynamic planar loudspeakers device is characterized in that comprising at least the first dynamic planar loudspeakers monomer and the second dynamic planar loudspeakers monomer, is provided with isolation structure between this first dynamic planar loudspeakers monomer and this second dynamic planar loudspeakers monomer, wherein,
This first dynamic planar loudspeakers monomer is made up of first apertured electrodes, second apertured electrodes and one first vibrating diaphragm that is positioned at wherein; Wherein, Comprise a plurality of sound holes respectively in this first apertured electrodes and this second apertured electrodes, this first vibrating diaphragm comprises first electret layer and first electrode layer;
This second dynamic planar loudspeakers monomer is made up of the 3rd apertured electrodes, the 4th apertured electrodes and one second vibrating diaphragm that is positioned at wherein; Wherein, Comprise a plurality of sound holes respectively in the 3rd apertured electrodes and the 4th apertured electrodes, this second vibrating diaphragm comprises second electret layer and the second electrode lay.
31. dynamic planar loudspeakers device as claimed in claim 30; Wherein this first electrode layer is towards this first apertured electrodes; And this first electret layer is towards this second apertured electrodes, and this second electret layer is in the face of the 3rd apertured electrodes, and this second electrode lay is towards the 4th apertured electrodes.
32. dynamic planar loudspeakers device as claimed in claim 31; Wherein the first open-porous metal thin layer of this first apertured electrodes is connected to first end of first signal source; And the second open-porous metal thin layer of this second apertured electrodes is connected to second end of this first signal source; The 3rd open-porous metal thin layer of the 3rd apertured electrodes is connected to first end in secondary signal source, and the 4th open-porous metal thin layer of the 4th apertured electrodes then is connected to second end in this secondary signal source.
33. dynamic planar loudspeakers device as claimed in claim 31; Wherein the second open-porous metal thin layer of the first open-porous metal thin layer of this first apertured electrodes and this second apertured electrodes is electrically connected to first end of first signal source simultaneously; And this first electrode layer of this first vibrating diaphragm is connected to second end of this first signal source; The 3rd open-porous metal thin layer of the 3rd apertured electrodes and the 4th open-porous metal thin layer of the 4th apertured electrodes are electrically connected to first end in secondary signal source simultaneously, and this second electrode lay of this second vibrating diaphragm is connected to second end in this secondary signal source.
34. dynamic planar loudspeakers device as claimed in claim 30; Wherein first electret layer is towards this first apertured electrodes; And this first electrode layer is towards this second apertured electrodes, and this second electrode lay is in the face of the 3rd apertured electrodes, and this second electret layer is towards the 4th apertured electrodes.
35. dynamic planar loudspeakers device as claimed in claim 34; Wherein the first open-porous metal thin layer of this first apertured electrodes is connected to first end of first signal source; And the second open-porous metal thin layer of this second apertured electrodes is connected to second end of this first signal source; The 3rd open-porous metal thin layer of the 3rd apertured electrodes is connected to first end in secondary signal source, and the 4th open-porous metal thin layer of the 4th apertured electrodes is connected to second end in this secondary signal source.
36. dynamic planar loudspeakers device as claimed in claim 34; Wherein the second open-porous metal thin layer of the first open-porous metal thin layer of this first apertured electrodes and this second apertured electrodes is electrically connected to first end of first signal source simultaneously; And this first electrode layer of this first vibrating diaphragm is connected to second end of this first signal source; The 3rd open-porous metal thin layer of the 3rd apertured electrodes and the 4th open-porous metal thin layer of the 4th apertured electrodes are electrically connected to first end in secondary signal source simultaneously, and this second electrode lay of this second vibrating diaphragm is connected to second end in this secondary signal source.
37. dynamic planar loudspeakers device as claimed in claim 30; Wherein, dispose a plurality of supporters between this first apertured electrodes and this first vibrating diaphragm, between this second apertured electrodes and this first vibrating diaphragm, between the 3rd apertured electrodes and this second vibrating diaphragm and/or between the 4th apertured electrodes and this second vibrating diaphragm.
38. dynamic planar loudspeakers device as claimed in claim 37, wherein the mode of those supporters configuration is according to this first vibrating diaphragm and this first, second apertured electrodes, and the electrostatic effect between this second vibrating diaphragm and the 3rd, the 4th apertured electrodes and adjusting.
39. dynamic planar loudspeakers device as claimed in claim 30, wherein this isolation structure disposes a plurality of supporters.
40. dynamic planar loudspeakers device as claimed in claim 30, wherein this isolation structure is an insulating material, when the adjacent apertures electrode is the different electric polarity chron.
41. dynamic planar loudspeakers device as claimed in claim 30, wherein when the adjacent apertures electrode was same electrical polarity, this isolation structure was a conductor.
42. a dynamic planar loudspeakers device is characterized in that comprising
First apertured electrodes comprises the first open-porous metal thin layer and first perforated layer;
Second apertured electrodes comprises the second open-porous metal thin layer and second perforated layer;
First vibrating diaphragm is positioned between this first apertured electrodes and this second apertured electrodes;
The 3rd apertured electrodes comprises the 3rd open-porous metal thin layer and the 3rd perforated layer; And
Second vibrating diaphragm is positioned between this second apertured electrodes and the 3rd apertured electrodes.
43. dynamic planar loudspeakers device as claimed in claim 42, wherein this first vibrating diaphragm has first electret layer and first electrode layer; And this second vibrating diaphragm has second electret layer and the second electrode lay.
44. dynamic planar loudspeakers device as claimed in claim 43; Wherein this first electret layer is in the face of this first apertured electrodes; And this first electrode aspect and this second electret layer are to this second apertured electrodes; And this second electrode lay is towards the 3rd apertured electrodes; Wherein, first open-porous metal thin layer of this first apertured electrodes and the 3rd open-porous metal thin layer of the 3rd apertured electrodes are connected to first end of signal source, and the second open-porous metal thin layer of this second apertured electrodes then is connected to second end of this signal source.
45. dynamic planar loudspeakers device as claimed in claim 43; Wherein this first electret layer is in the face of this first apertured electrodes; And this first electrode layer and this second electrode lay are towards this second apertured electrodes; And this second electret layer is in the face of the 3rd apertured electrodes; Wherein, first open-porous metal thin layer of this first apertured electrodes and the 3rd open-porous metal thin layer of the 3rd apertured electrodes are connected to first end of signal source, and the second open-porous metal thin layer of this second apertured electrodes then is connected to second end of this signal source.
46. dynamic planar loudspeakers device as claimed in claim 43; Wherein this first electrode layer is in the face of this first apertured electrodes; And this first electret layer and this second electret layer are towards this second apertured electrodes; And this second electrode lay is in the face of the 3rd apertured electrodes; Wherein, first open-porous metal thin layer of this first apertured electrodes and the 3rd open-porous metal thin layer of the 3rd apertured electrodes are connected to first end of signal source, and the second open-porous metal thin layer of this second apertured electrodes then is connected to second end of this signal source.
47. dynamic planar loudspeakers device as claimed in claim 43; Wherein this first electrode layer is towards this first apertured electrodes; And this first electret layer and this second electrode lay are in the face of this second apertured electrodes; And this second electret layer is towards the 3rd apertured electrodes; Wherein, first open-porous metal thin layer of this first apertured electrodes and the 3rd open-porous metal thin layer of the 3rd apertured electrodes are connected to first end of signal source, and this first electrode layer and this second electrode lay then are connected to second end of this signal source.
48. dynamic planar loudspeakers device as claimed in claim 43; Wherein this first electrode layer is towards this first apertured electrodes; And this first electret layer and this second electret layer are in the face of this second apertured electrodes; And this second electrode lay is in the face of the 3rd apertured electrodes; Wherein the 3rd open-porous metal thin layer of second open-porous metal thin layer of the first open-porous metal thin layer of this first apertured electrodes, this second apertured electrodes and the 3rd apertured electrodes is connected to first end of signal source, and this first electrode layer and this second electrode lay then are electrically connected to second end of this signal source simultaneously.
49. dynamic planar loudspeakers device as claimed in claim 43; Wherein this first electret layer is in the face of this first apertured electrodes; And this first electrode layer and this second electrode lay are towards this second apertured electrodes; And this second electret layer is in the face of the 3rd apertured electrodes; Wherein the 3rd open-porous metal thin layer of second open-porous metal thin layer of the first open-porous metal thin layer of this first apertured electrodes, this second apertured electrodes and the 3rd apertured electrodes is connected to first end of signal source, and this first electrode layer and this second electrode lay then are electrically connected to second end of this signal source simultaneously.
50. dynamic planar loudspeakers device as claimed in claim 42; Wherein, dispose a plurality of supporters between this first apertured electrodes and this first vibrating diaphragm, between this second apertured electrodes and this first vibrating diaphragm or second vibrating diaphragm and/or between the 3rd apertured electrodes and this second vibrating diaphragm.
51. dynamic planar loudspeakers monomer as claimed in claim 50, wherein the mode of those supporters configuration is according to this first vibrating diaphragm and this first, second apertured electrodes, and the electrostatic effect between this second vibrating diaphragm and this second, third apertured electrodes and adjusting.
52. dynamic planar loudspeakers device as claimed in claim 30, wherein this first, second dynamic planar loudspeakers monomer has the crooked radian structure, to change the directive property angle.
53. like claim 30 or 43 described dynamic planar loudspeakers devices, wherein the material formed of this first, second electret layer is to adopt the nano-micron pore electret composite materials.
54. dynamic planar loudspeakers monomer as claimed in claim 53; Wherein, this nano-micron pore electret composite materials comprise fluorinated ethylene propylene copolymer, polytetrafluoroethylene, polyvinylidene fluoride by being selected from, have two carbochain compounds and part fluoro containing polymers polymer material composition group wherein one.
55. dynamic planar loudspeakers device as claimed in claim 30, wherein this first, second, third, fourth apertured electrodes and this first, second vibrating diaphragm material that is deflection and transparent characteristic.
56. dynamic planar loudspeakers device as claimed in claim 42, wherein this first, second, third apertured electrodes and this first, second vibrating diaphragm material that is deflection and transparent characteristic.
57. like claim 30 or 42 described dynamic planar loudspeakers devices, wherein this first, second diaphragm materials macromolecular material is to be selected from by Merlon, polyethylene parabenzoic acid ester, the light polymer of ring-type alkene and polymethyl methacrylate one of them or its combination.
58. dynamic planar loudspeakers device as claimed in claim 30, wherein this first, second, third, fourth apertured electrodes comprises iron, copper, aluminium or its alloy material.
59. dynamic planar loudspeakers device as claimed in claim 42, wherein this first, second, third apertured electrodes comprises iron, copper, aluminium or its alloy material.
60. dynamic planar loudspeakers device as claimed in claim 30, wherein this first, second, third, fourth apertured electrodes comprises metallic fiber, oxidized metal fiber, carbon fiber, graphite fibre one of them or combination.
61. dynamic planar loudspeakers device as claimed in claim 42, wherein this first, second, third apertured electrodes comprises metallic fiber, oxidized metal fiber, carbon fiber, graphite fibre one of them or combination.
62. dynamic planar loudspeakers device as claimed in claim 30, wherein this first, second, third, fourth apertured electrodes comprises the material with light transmission features, and this material is to be selected from indium tin oxide, indium-zinc oxide or aluminium zinc oxide one of them or its combination.
63. dynamic planar loudspeakers device as claimed in claim 42, wherein this first, second, third apertured electrodes comprises the material with light transmission features, and this material is to be selected from indium tin oxide, indium-zinc oxide or aluminium zinc oxide one of them or its combination.
64. dynamic planar loudspeakers device as claimed in claim 42; Wherein this first, second, third perforated layer is formed by plastic cement, rubber, paper, cotton fiber, polymer fiber material; And this first, second, third open-porous metal thin layer is one of them or its combination of aluminium, gold, silver, copper or its alloy or nickel/golden bimetallic material or indium tin oxide or indium-zinc oxide, or conductive polymer material.
CN2011104470962A 2010-12-28 2011-12-28 Plane loudspeaker unit and plane loudspeaker apparatus Pending CN102572663A (en)

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CN107948911A (en) * 2017-12-22 2018-04-20 奥音科技（镇江）有限公司 Diaphragm of loudspeaker component pressure setting for automatic flexible manufacturing line

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Application publication date: 20120711