TW201240485A

TW201240485A - Thermal acoustic device and electric device

Info

Publication number: TW201240485A
Application number: TW100112574A
Authority: TW
Inventors: Kai-Li Jiang; xiao-yang Lin; Lin Xiao; Shou-Shan Fan
Original assignee: Hon Hai Prec Ind Co Ltd
Priority date: 2011-03-29
Filing date: 2011-04-12
Publication date: 2012-10-01
Also published as: TWI450601B; CN102724620B; JP5134128B2; JP2012209922A; CN102724620A

Abstract

The present invention relates to a thermal acoustic device. The thermal acoustic device includes a substrate, a heater and a thermal acoustic element. The thermal acoustic element is disposed on the substrate. The heater is used to heat the thermal acoustic element. The thermal acoustic element includes a graphene film. The substrate includes a carbon nanotube structure and an insulated layer coated on surface of the carbon nanotube structure. The present invention further provides an electric device using the thermal acoustic device.

Description

201240485 ‘ ·六、發明說明：【發明所屬之技術領域】 [0001] 本發明涉及一種熱致發聲裝置，尤其涉及一種基於石墨烯的熱致發聲裝置及應用該熱致發聲裝置的電子裝置。【先前技術】 [0002] 熱致發聲裝置一般由信號輸入裝置和發聲元件組成，通過信號輸入裝置輸入信號到該發聲元件，進而發出聲音。熱致發聲裝置為發聲裝置中的一種，其為基於熱聲效應的一種熱致發聲裝置，請參見文獻“The Thermo- o phone，，，EDWARD C. WENTE，Vol. XIX，No. 4， p333-345及 “On Some Thermal Effects of Electric Currents” ， William Henry Preece, Proceedings of the Royal Society of London, V〇1.30，p408-41 1 (1879-1881 )。其揭示一種熱致發聲裝置，該熱致發聲裝置通過向一導體中通入交流電來實現發聲。該導體具有較小的熱容（Heat capacity) ，較薄的厚度，且可將其内部產生的熱量迅速傳導給周圍氣體介質的特點。當交流電通過導體時，隨交流電電流強度的變化，導體迅速升降溫，而和周圍氣體介質迅速發生熱交換，促使周圍氣體介質分子運動，氣體介質密度隨之發生變化，進而發出聲波。 [0003] 另外，H· D. Arnold 和 I. B. Crandal 1 在文獻 “The thermophone as a precision source of sound” ，Phys. Rev. 10，p22-38 (1917)中揭示了一種簡單的熱致發聲裝置，其採用一鉑片作熱致發聲元件。受材 100112574 表單編號A0101 第3頁/共58頁 1002020943-0 201240485 料本身的限制，採用該舶片作熱致發聲元件的熱致發聲裝置時，其所產生的發聲頻率最高僅可達4千赫茲，且發聲效率較低。【發明内容】 [0004] 有鑒於此，確有必要提供一種發聲頻率高且發聲效果好的熱致發聲裝置。 [0005] 一種熱致發聲裝置，其包括一致熱裝置以及一熱致發聲元件，該致熱裝置用於向該熱致發聲元件提供能量使該熱致發聲元件產生熱量；其中，所述熱致發聲元件包括一石墨烯膜。 [0006] 與先前技術相比較，本發明所提供的熱致發聲裝置具有以下優點：其一，由於所述熱致發聲裝置中的熱致發聲元件無需磁鐵等其他複雜結構，故該熱致發聲裝置的結構較為簡單，有利於降低該熱致發聲裝置的成本。其三，由於石墨稀膜的厚度較薄，熱容較低，因此，其發聲頻率較高且具有較高的發聲效率。【實施方式】 [0007] 以下將結合附圖詳細說明本發明實施例提供的熱致發聲裝置。以下各實施例中將相同的元部件使用相同的標號表示。本發明實施例中所涉及的示意圖係為了使本實施例得到更好的說明，對實施例本身並沒有限制作用。 [0008] 請參閱圖1及圖2，本發明第一實施例提供一種熱致發聲裝置10，該熱致發聲裝置10包括一熱致發聲元件102及一致熱裝置104。 100112574 表單編號A0101 第4頁/共58頁 1002020943-0 201240485 • · [0009] Ο [0010] 所述致熱裝置104用於向熱致發聲元件102提供能量，使熱致發聲元件102產生熱量，發出聲音。本實施例中，致熱袈置104向熱致發聲元件提供電能，使熱致發聲元件 1 〇2在焦耳熱的作用下產生熱量◊該致熱裝置1〇4包括一第—電極104a及一第二電極104b。所述第一電極104a和第二電極104b分別與該熱致發聲元件1〇2電連接。本實施例中’第一電極〗〇4a和第二電極i〇4b分別設置於熱致發聲元件102的表面，並與該熱致發聲元件1〇2的兩個相對的邊齊平。 ο 該致熱裝置104中的第一電極l〇4a和第二電極l04b用於向熱致發聲元件1〇2提供電信號，使該熱致發聲元件102 產生焦耳熱，溫度升高，從而發出聲音。所述第/電極 l〇4a與第二電極i〇4b可為層狀（絲狀或帶狀）、棒狀條狀、塊狀或其他形狀，其橫截面的形狀<為圓犁、方型、梯形、三角形、多邊形或其他不規則形狀。該第電極104a與第二電極l〇4b可通過黏結劑黏結的方式固於熱致發聲元件102的表面。而為防止熱致發聲元件102 的熱量被第一電極104a與第二電極1〇4b過多吸收而影響發聲效果，該第一電極l〇4a及第二電極“41)與熱致發聲元件102的接觸面積較小為好，因此，該第〆電極ι〇第二電極104b的形狀優選為絲狀或帶狀。該第電極 l〇4a與第二電極l〇4b材料可選擇為金屬、導電膠、導電漿料、麵錫氡化物（ITO)或奈米碳管等。當第一電極104a和第二電極l〇4b具有一定強度時’第’ 電極104a和第二電極l〇4b可以起到支撐該熱致發聲元件 2002020943-0 100112574 表單編號A0101 第5頁/共58頁 [0011] 201240485 102的作用。如將第一電極1〇4&和第二電極的兩端分別固定在—個框架上，熱致發聲元件102設置在第—電極104a和第二電極1〇41)上，熱致發聲元件ι〇2通過第— 電極104a和第二電極1〇4b懸空設置。 [0012] [0013] [0014] 100112574 本實施例中’第-電極1G4a與第：電極lG4b係利用銀衆通過印刷方式如絲網印刷形成於熱致發聲元件上的絲狀銀電極。 «亥熱致务聲裝置1〇進一步包括一第一電極引線（圖未示 )及帛一電極引線（圖未示），該第一電極引線與第 -電極引線分別與熱致發聲裝置1G中的第—電極丨仏和第二電極104b電連接，使該第—電極他與該第—電極引線電連接’使该第二電極1〇仆與該第二電極引線電連接。所述熱致發聲装置10通過該第一電極引線和第二電極引線與外部電路電連接。所述熱致發聲疋件…包括一石墨烯膜，所述石墨稀膜為一個二維結構的具有—定面積的膜結構。該石墨稀膜的厚又為0· 34奈米至1〇奈米。該石墨晞膜包括至少—層石墨烯。當石墨烯膜包括多層石墨烯時，該多層石墨烯可以相互搭接形成石墨稀膜’以使石墨稀膜具有更大的面積；或者該多層石墨烯可以相互4加形成石墨稀膜以使石墨歸膜的厚度增加。優選地，該石墨烯膜為_單層石墨稀。所述石墨烯為由複數個碳原子通過sp2鍵雜化構摘單層的二維平面結構。該石墨烤的厚度可以為單層兔原子的厚度。石墨稀膜具有較高的透光性，單層的石墨稀的透光率可以達到97 7%，因此，採用石墨稀膜作表單編號A0101 第6頁/共58頁 1002020943-0 201240485 Ο 熱致發聲元件的熱致發聲裝置可以為一透明的熱致發聲裝置。由於石墨烯膜的厚度非常薄，因此具有較低的熱容，其熱容可以小於2xl〇_3焦耳每平方厘米開爾文’單層石墨烯的熱容可以小於5. 57x10_4焦耳每平方厘米開爾文。所述石墨稀膜為一自支撐結構，所述自支撐為石墨烯膜不需要大面積的載體支撐，而只要相對兩邊提供支撐力即能整體上懸空而保持自身膜狀狀態，即將該石墨烯膜置於（或固定於）間隔一固定距離設置的兩個支撐體上時，位於兩個支撐體之間的石墨烯膜能夠懸空保持自身膜狀狀態。實驗表明，石墨烯並非一個百分之百的光潔平整的二維膜，而係有大量的微觀起伏在單層石墨烯的表面上，單層石墨烯正係借助這種方式來維持自身的自支撐性及穩定性。 [0015] G [0016] 所述石墨烯膜的致備方法可以為化學氣相沉積法、LB法或採用膠帶從定向石墨上撕取的方法。本實施例中，採用化學氣相沉積法製備石墨烯膜。該石墨烯膜採用化學氣相沉積法生長在一個金屬膜基底的表面° 所述熱致發聲元件102的工作介質不限’只需滿足其電阻率大於所述熱致發聲元件102的電阻率即可。所述介質包括氣態介質或液態介質。所述氣態介質可為空氣。所述液態介質包括非電解質溶液、水及有機溶劑等中的一種或多種。所述液態介質的電阻率大於0.01歐姆.米，優選地’所述液態介質為純淨水。纯淨水的電導率可達到丨.5 xl〇7歐姆.米，且其單位面積熱容也較大，可以傳導出熱致發聲元件102產生的熱量，從而可對熱致發聲元件1〇2 100112574 表單編號A0101 第7頁/共58頁 1002020943-0 201240485 [0017] [0018] [0019] 100112574 進行散熱。本實施例中本實施例的熱致發聲農置10可通過第—電極购及第二電極U4b與外部電路電連接，而由此接入外部信號發聲。由=熱致發聲元件102包括石墨烯膜，石墨稀膜具有較小的早位面積熱容以及較大的散熱面積，在致軌裝置1〇4 二熱致發聲元件U)2輪人信職，所述熱致發聲元件1〇2 可迅速升降溫’纽週期性的溫度變化，並和周圍介質快速進行熱交換，使周圍介f的密度週期性地發生改變進而發出聲音。間而言之，本發明實施例的熱致發聲元件102係藉由“電-熱-聲，’的轉換來達到發聲。另外，利用石墨烯膜的高透光度’該熱致發聲裝置10呈一透明熱致發聲裝置。本實施例提供的熱致發聲裝置10的聲壓級大於50分貝每瓦聲壓級，發聲頻率範圍為1赫茲至1〇萬赫茲（即 ΙΗζ-lOOkHz)。所述熱致發聲裝置在5〇〇赫茲_4萬赫茲頻率範圍内的失真度可小於3%。請參閱圖3及圖4，本發明第二實施例提供一種熱致發聲裝置20。本實施例所提供的熱致發聲裝置2〇與第一實施例提供的熱致發聲裝置10的不同之處在於，本實施例中的該熱致發聲裝置20進一步包括一基底2〇8。所述熱致發聲元件102§史置於該基底208的表面。所述第—電極i〇4a 和第二電極104b設置於該熱致發聲元件1〇2的表面。該基底208的形狀、尺寸及厚度均不限，該基底2〇8的表面可為平面或曲面。該基底208的材料不限，可以為具有一定強度的硬性材料或柔性材料。優選地，該基底208的材料表單編號A0101 第8頁/共58頁，所述介質為空氣。 201240485 的電阻應大於該熱致發聲元件102的電阻，且具有較好的絕熱和耐熱性能，從而防止該熱致發聲元件1〇2產生的熱量過多的被該基底208吸收。具體地’所述絕緣材料可以為玻璃、陶瓷、石英、金剛石、塑膠、樹脂或木質材料 [0020] Ο 本實施例中’所述基底208包括至少一個孔2〇8a。該孔 2〇8a的深度小於或等於所述基底208的厚度。當孔208a 的深度小於基底208的厚度時，孔208a為一盲孔。當孔 2〇8a的深度等於基底208的厚度時，孔208a為一通孔》所述孔208a的橫截面的形狀不限，可以為圓形、正方形、長方形、二角形，多邊形、工字形、或者不規則圖形。§ s亥基底208包括複數個孔208a時，該複數個孔2〇8a 可均勻分佈、以一定規律分佈或隨機分佈於該基底2〇8。母相鄰兩個孔208a的間距不限，優選為1〇〇微米至3毫米。本實施例中，所述基底包括複數個孔2〇8a，該孔2〇8a 為通孔’其橫截面為圓柱形，其均勻分佈於基底208。 Ο [0021] 該熱致發聲元件102設置於基底208的表面，並相對於基底208上的孔208a懸空設置。本實施例中，由於該熱致發聲元件102位於孔208a上方的部分懸空設置，該部分的熱致發聲元件102兩面均與周圍介質接觸，增加了熱致發聲元件102與周圍氣髏或液體介質接觸的面積，並且，由於該熱致發聲元件102另一部分與該基底208的表面直接接觸’並通過該基底208支樓，故該熱致發聲元件1〇2不易被破壞。 [0022] 100112574 請參見圖5 ’本發明第三實施例提供一種熱致發聲裝置3〇表單编號A0101 第9頁/共58頁 1002020943-0 201240485 。本實施例所提供的熱致發聲裝置30與第二實施例提供的熱致發聲裝置20的區別在於，本實施例中，該熱致發聲裝置30的基底308包括至少一個槽308a，該槽308a設置於基底308的一個表面308b。槽308a的深度小於基底 308的厚度。所述槽308a可以為一盲槽或一通槽。當槽 308a為一盲槽時，槽308a的長度小於基底308的兩個相對的側面之間的距離。當槽308a為通槽時，槽308a的長的等於基底308的兩個相對的側面之間的距離。所述槽 308a使該表面308b形成一凹凸不平的表面。該槽308a的深度小於所述基底308的厚度，該槽308a的長度不限。該槽308a在該基底308的表面308b上的形狀可為長方形、弓形、多邊形、扁圓形或其他不規則形狀。請參閱圖5，本實施例中，基底308上設置有複數個槽30 8a，該槽 308a為盲槽，該槽308a在基底308的表面308b上的形狀為長方形。請參見圖6，該槽308a在其長度方向上的橫截面為長方形，即，該槽308a為一長方體結構。請參閱圖7 ，該槽308a在其長度方向上的橫截面為三角形，即，該槽308a為一三棱柱結構。當該基底308的表面308b具有複數個盲槽時，該複數個盲槽可均勻分佈、以一定規律分佈或隨機分佈於該基底308的表面308b。請參閱圖7，相鄰兩個盲槽的槽間距可接近於0，即所述基底308與該熱致發聲元件102接觸的區域為複數個線。可以理解，在其他實施例中，通過改變該槽308a的形狀，該熱致發聲元件102與該基底308接觸的區域為複數個點，即該熱致發聲元件102與該基底308之間可為點接觸、線接觸或面接觸。 100112574 表單編號A0101 第10頁/共58頁 1002020943-0 201240485 • . [0023] [0024] Ο [0025]201240485 „6. Description of the Invention: [Technical Field] [0001] The present invention relates to a thermoacoustic device, and more particularly to a graphene-based thermoacoustic device and an electronic device using the same. [Prior Art] [0002] A thermoacoustic device generally consists of a signal input device and a sounding element, and a signal is input through the signal input device to the sounding element to emit sound. The thermoacoustic device is one of the sounding devices, which is a thermoacoustic device based on the thermoacoustic effect, see the document "The Thermo- o phone,,, EDWARD C. WENTE, Vol. XIX, No. 4, p333 -345 and "On Some Thermal Effects of Electric Currents", William Henry Preece, Proceedings of the Royal Society of London, V. 1.30, p408-41 1 (1879-1881). It discloses a thermo-acoustic device that is thermally induced The sounding device realizes sound generation by introducing alternating current into a conductor. The conductor has a small heat capacity, a thin thickness, and can quickly transfer heat generated inside it to the surrounding gas medium. When the alternating current passes through the conductor, the conductor rapidly rises and falls with the change of the alternating current intensity, and the heat exchange with the surrounding gas medium rapidly causes the surrounding gas medium molecules to move, and the density of the gas medium changes accordingly, thereby generating sound waves. [0003] , H. D. Arnold and IB Crandal 1 in the literature "The thermophone as a precision source of sound", Phys. Rev. 10, p22-38 (19 A simple thermo-acoustic device is disclosed in 17), which uses a platinum sheet as a thermo-acoustic component. The material is 100112574, Form No. A0101, Page 3/58, 1002020943-0 201240485, which is limited by the material itself. When the thermoacoustic device of the thermoacoustic element is used, the vocalization frequency generated by the thermoacoustic element is only up to 4 kHz, and the vocalization efficiency is low. [Invention] [0004] In view of this, it is necessary to provide a vocal frequency. A thermo-acoustic device having a high sounding effect. [0005] A thermo-acoustic device comprising a uniform heat device and a thermo-acoustic device for supplying energy to the thermo-acoustic element to cause the heat-induced device The vocalizing element generates heat; wherein the thermoacoustic element comprises a graphene film. [0006] Compared with the prior art, the thermoacoustic device provided by the present invention has the following advantages: First, due to the thermal vocalization The thermo-acoustic element in the device does not require other complicated structures such as magnets, so the structure of the thermo-acoustic device is relatively simple, which is advantageous for reducing the cost of the thermo-acoustic device. Since the thickness of the graphite thin film is thin and the heat capacity is low, the sound emission frequency is high and the sound emission efficiency is high. [Embodiment] Hereinafter, the embodiment of the present invention will be described in detail with reference to the accompanying drawings. Thermal sounding device. The same components are denoted by the same reference numerals in the following embodiments. The schematic diagrams involved in the embodiments of the present invention are not intended to limit the embodiments themselves in order to better illustrate the embodiments. Referring to FIG. 1 and FIG. 2, a first embodiment of the present invention provides a thermo-acoustic device 10 that includes a thermo-acoustic component 102 and a pyrogenic device 104. 100112574 Form No. A0101 Page 4 of 58 1002020943-0 201240485 • [0009] [0010] The heating device 104 is used to provide energy to the thermo-acoustic element 102 to cause the thermo-acoustic element 102 to generate heat, Make noise. In this embodiment, the heating device 104 supplies electric energy to the thermo-acoustic element, so that the thermo-acoustic element 1 〇2 generates heat under the action of Joule heat. The heating device 1〇4 includes a first electrode 104a and a The second electrode 104b. The first electrode 104a and the second electrode 104b are electrically connected to the thermo-acoustic element 1〇2, respectively. In the present embodiment, the 'first electrode 〗 4' and the second electrode i 〇 4b are respectively disposed on the surface of the thermoacoustic element 102 and are flush with the opposite sides of the thermo-acoustic element 1 〇 2 . The first electrode 104a and the second electrode 104b in the heating device 104 are used to supply an electrical signal to the thermo-acoustic element 1〇2, causing the thermo-acoustic element 102 to generate Joule heat, and the temperature is raised to emit sound. The first electrode 104a and the second electrode i〇4b may be layered (filament or strip), rod-like strip, block or other shape, and the shape of the cross section is a round plow, square Type, trapezoid, triangle, polygon, or other irregular shape. The first electrode 104a and the second electrode 104b can be fixed to the surface of the thermoacoustic element 102 by adhesion of a binder. In order to prevent the heat of the thermo-acoustic element 102 from being excessively absorbed by the first electrode 104a and the second electrode 1〇4b, the first electrode 104a and the second electrode “41” and the thermo-acoustic element 102 are affected. The contact area is preferably small. Therefore, the shape of the second electrode 104b of the second electrode ι is preferably a filament or a strip. The material of the first electrode 104a and the second electrode 104b can be selected from metal or conductive paste. , conductive paste, surface tin telluride (ITO) or carbon nanotubes, etc. When the first electrode 104a and the second electrode 10b have a certain intensity, the 'the' electrode 104a and the second electrode 104b can Supporting the thermoacoustic element 2002020943-0 100112574 Form No. A0101 Page 5 of 58 [0011] 201240485 102. If the first electrode 1〇4& and the second electrode are respectively fixed at one frame The thermo-acoustic element 102 is disposed on the first electrode 104a and the second electrode 1〇41), and the thermo-acoustic element ι2 is suspended by the first electrode 104a and the second electrode 1〇4b. [0012] [0013] [1121] 100112574 In the present embodiment, the first electrode 1G4a and the first electrode 1G4b are used. A filament-like silver electrode formed on a thermoacoustic element by a printing method such as screen printing is used by the silver group. The heat-emitting device 1 further includes a first electrode lead (not shown) and a first electrode lead ( The first electrode lead and the first electrode lead are electrically connected to the first electrode and the second electrode 104b in the thermo-acoustic device 1G, respectively, so that the first electrode and the first electrode are electrically connected. The connection 'connects the second electrode 1 to the second electrode lead. The thermo-acoustic device 10 is electrically connected to an external circuit through the first electrode lead and the second electrode lead. The thermo-acoustic element ...including a graphene film which is a two-dimensional structure having a constant area of the film structure. The thickness of the graphite thin film is from 0.34 nm to 1 Å. The graphite film includes At least - layer graphene. When the graphene film comprises a plurality of layers of graphene, the plurality of graphenes may overlap each other to form a graphite thin film 'to make the graphite thin film have a larger area; or the multilayer graphene may be added to each other Graphite thin film The thickness of the graphite film is increased. Preferably, the graphene film is a single layer of graphite. The graphene is a two-dimensional planar structure in which a single layer is formed by a plurality of carbon atoms through sp2 bond hybridization. The thickness can be the thickness of a single layer of rabbit atoms. The graphite thin film has a high light transmittance, and the single layer of graphite has a light transmittance of 97 7%. Therefore, a graphite thin film is used as the form number A0101. A total of 58 pages 1002020943-0 201240485 热 The thermo-acoustic device of the thermo-acoustic component can be a transparent thermo-acoustic device. Since the thickness of the graphene film is very thin, it has a low heat capacity, and its heat capacity may be less than 2 x 1 〇 3 joules per square centimeter. The heat capacity of the single layer graphene may be less than 5. 57 x 10 4 joules per square centimeter Kelvin. The graphite thin film is a self-supporting structure, and the self-supporting graphene film does not need a large-area carrier support, and as long as the supporting force is provided on opposite sides, the whole film can be suspended to maintain the self-film state, that is, the graphene. When the film is placed (or fixed) on two supports disposed at a fixed distance apart, the graphene film located between the two supports can be suspended to maintain its own film state. Experiments show that graphene is not a 100% smooth and flat two-dimensional film, but a large number of microscopic undulations on the surface of single-layer graphene. This way, single-layer graphene is used to maintain its self-supporting properties. stability. [0015] The method of preparing the graphene film may be a chemical vapor deposition method, an LB method, or a method of tapeping from oriented graphite using an adhesive tape. In this embodiment, a graphene film is prepared by chemical vapor deposition. The graphene film is grown on the surface of a metal film substrate by chemical vapor deposition. The working medium of the thermoacoustic element 102 is not limited to only satisfying the resistivity of the thermoacoustic element 102. can. The medium comprises a gaseous medium or a liquid medium. The gaseous medium can be air. The liquid medium includes one or more of a non-electrolyte solution, water, an organic solvent, and the like. The liquid medium has a resistivity greater than 0.01 ohm.m., preferably the liquid medium is purified water. The conductivity of pure water can reach 丨.5 xl 〇7 ohm.m, and its heat capacity per unit area is also large, which can conduct heat generated by the thermo-acoustic element 102, so that the thermo-acoustic element can be 〇2 100112574 Form No. A0101 Page 7 of 58 1002020943-0 201240485 [0019] [0019] 100112574 Perform heat dissipation. In the present embodiment, the thermo-acoustic farm 10 of the present embodiment can be electrically connected to an external circuit through the first electrode and the second electrode U4b, thereby thereby accessing an external signal to sound. The thermal-inducing element 102 includes a graphene film, the graphite thin film has a small early surface area heat capacity and a large heat-dissipating area, and the tracking device 1〇4 two heat-induced sound element U) The thermo-acoustic component 1〇2 can rapidly elevate and warm the temperature change of the neon periodicity, and rapidly exchange heat with the surrounding medium, so that the density of the surrounding medium f changes periodically to emit sound. In other words, the thermoacoustic element 102 of the embodiment of the present invention achieves sound generation by "electric-thermal-acoustic," conversion. In addition, the high transmittance of the graphene film is utilized. The sound-inducing device of the present embodiment provides a sound pressure level greater than 50 decibels per watt of sound pressure level, and the sounding frequency ranges from 1 Hz to 1 million Hz (ie, ΙΗζ-lOO kHz). The heat-induced sounding device may have a distortion of less than 3% in the frequency range of 5 Hz to 10,000 Hz. Referring to Figures 3 and 4, a second embodiment of the present invention provides a thermo-acoustic device 20. This embodiment The provided thermo-acoustic device 2 is different from the thermo-acoustic device 10 provided in the first embodiment in that the thermo-acoustic device 20 in this embodiment further includes a substrate 2〇8. The sounding element 102 is placed on the surface of the substrate 208. The first electrode i〇4a and the second electrode 104b are disposed on the surface of the thermoacoustic element 1〇2. The shape, size and thickness of the substrate 208 are not The surface of the substrate 2〇8 may be a plane or a curved surface. The material of the bottom 208 is not limited and may be a hard material or a flexible material having a certain strength. Preferably, the material of the substrate 208 is in the form of A0101, page 8 of 58 and the medium is air. The resistance of 201240485 should be greater than The resistance of the thermoacoustic element 102 has better thermal and thermal resistance, thereby preventing excessive heat generated by the thermoacoustic element 1〇2 from being absorbed by the substrate 208. Specifically, the insulating material may be glass, Ceramic, Quartz, Diamond, Plastic, Resin, or Wood Material [0020] In the present embodiment, the substrate 208 includes at least one hole 2〇8a. The hole 2〇8a has a depth less than or equal to the thickness of the substrate 208. When the depth of the hole 208a is smaller than the thickness of the substrate 208, the hole 208a is a blind hole. When the depth of the hole 2〇8a is equal to the thickness of the substrate 208, the hole 208a is a through hole. The shape of the cross section of the hole 208a is not limited. It may be a circle, a square, a rectangle, a triangle, a polygon, an I-shape, or an irregular pattern. When the plurality of holes 208a are included in the substrate 208, the plurality of holes 2〇8a may be evenly distributed. The substrate is distributed or randomly distributed on the substrate 2〇8. The spacing between the two adjacent holes 208a of the mother is not limited, and is preferably 1 μm to 3 mm. In this embodiment, the substrate includes a plurality of holes 2〇 8a, the hole 2〇8a is a through hole 'which has a cylindrical cross section and is evenly distributed on the substrate 208. 002 [0021] The thermoacoustic element 102 is disposed on the surface of the substrate 208 and opposite to the hole in the substrate 208 The 208a is suspended. In this embodiment, since the portion of the thermo-acoustic element 102 located above the hole 208a is suspended, the portions of the thermo-acoustic element 102 are in contact with the surrounding medium, thereby increasing the thermo-acoustic element 102 and the surrounding gas. The area in which the crucible or liquid medium contacts, and because the other portion of the thermo-acoustic element 102 is in direct contact with the surface of the substrate 208 and passes through the base 208, the thermo-acoustic element 1〇2 is not easily broken. [0022] 100112574 Referring to FIG. 5, a third embodiment of the present invention provides a thermo-acoustic device 3〇 Form No. A0101 Page 9 of 58 1002020943-0 201240485. The difference between the thermo-acoustic device 30 provided in this embodiment and the thermo-acoustic device 20 provided in the second embodiment is that, in this embodiment, the base 308 of the thermo-acoustic device 30 includes at least one slot 308a, the slot 308a One surface 308b is disposed on the substrate 308. The depth of the groove 308a is smaller than the thickness of the substrate 308. The slot 308a can be a blind slot or a slot. When the slot 308a is a blind slot, the length of the slot 308a is less than the distance between the two opposing sides of the base 308. When the groove 308a is a through groove, the length of the groove 308a is equal to the distance between the two opposite sides of the substrate 308. The groove 308a causes the surface 308b to form an uneven surface. The depth of the groove 308a is smaller than the thickness of the substrate 308, and the length of the groove 308a is not limited. The shape of the groove 308a on the surface 308b of the substrate 308 may be rectangular, arcuate, polygonal, oblate, or other irregular shape. Referring to FIG. 5, in the embodiment, the substrate 308 is provided with a plurality of grooves 30 8a. The grooves 308a are blind grooves, and the grooves 308a have a rectangular shape on the surface 308b of the substrate 308. Referring to Fig. 6, the groove 308a has a rectangular cross section in the longitudinal direction thereof, that is, the groove 308a has a rectangular parallelepiped structure. Referring to Fig. 7, the groove 308a has a triangular cross section in its longitudinal direction, i.e., the groove 308a has a triangular prism structure. When the surface 308b of the substrate 308 has a plurality of blind grooves, the plurality of blind grooves may be uniformly distributed, distributed in a regular pattern or randomly distributed on the surface 308b of the substrate 308. Referring to FIG. 7, the groove pitch of two adjacent blind grooves may be close to zero, that is, the area where the substrate 308 is in contact with the thermo-acoustic element 102 is a plurality of lines. It can be understood that in other embodiments, by changing the shape of the groove 308a, the area where the thermo-acoustic element 102 contacts the substrate 308 is a plurality of points, that is, between the thermo-acoustic element 102 and the substrate 308. Point contact, line contact or face contact. 100112574 Form No. A0101 Page 10 of 58 1002020943-0 201240485 • . [0023] [0024] Ο [0025]

本實施例的熱致發聲裝置30中，由於所述基底308包括至少一槽308a，該槽308a可以反射所述熱致發聲元件102 發出的聲波，從而增強所述熱致發聲裝置30在熱致發聲元件102—侧的發聲強度。當該相鄰的槽308a之間的距離接近於0時，該基底308既能支撐該熱致發聲元件102，又能使該熱致發聲元件102具有與周圍介質接觸的最大表面積。可以理解，當該槽308a的深度達到某一值時，通過該槽 308a反射的聲波會與原聲波產生疊加，從而引起相消干涉，影響熱致發聲元件102的發聲效果。為避免這一現象，優選地，該槽308a的深度小於等於10毫米。另外，當該槽308a的深度過小，通過基底308懸空設置的熱致發聲元件102與基底308距離過近，不利於該熱致發聲元件 102的散熱。因此’優選地’該槽308a的深度大於等於 10微米。請參見圖8及圖9，本發明第四實施例提供一種熱致發聲裝置40。本實施例所提供的熱致弩聲裝置40與第二實施例提供的熱致發聲裝置20的區別在於，本實施例中，該熱致發聲裝置40的基底408為一網狀結構。所述基底408 包括複數個第一線狀結構408a及複數個第二線狀結構 408b。所述之線狀結構也可以為帶狀或者條狀的結構。該複數個第一線狀結構408a與該複數個第二線狀結構 408b相互交叉設置形成一網狀結構的基底408。所述複數個第一線狀結構408a可以相互平行，也可以不相互平行，所述複數個第二線狀結構408b可以相互平行，也可以 100112574 表單編號A0101 第11頁/共58頁 1002020943-0 201240485 不相互平行，當複數個第一線狀結構408a相互平行，且複數個第二線狀結構408b相互平行時，具體地，所述複數個第一線狀結構408a的軸向均沿第一方向L1延伸，相鄰的第一線狀結構4 0 8 a之間的距離可以相等也可以不等。相鄰的兩個第一線狀結構408a之間的距離不限，優選地，其間距小於等於1厘米。本實施例中，該複數個第一線狀結構408a之間等間距間隔設置，相鄰的兩個第一線狀結構408a之間的距離為2厘米。所述複數個第二線狀結構408b彼此間隔設置且其軸向均基本沿第二方向L2延伸，相鄰的第二線狀結構4〇8b之間的距離可以相等也可以不等。相鄰的兩個第二線狀結構4〇8b之間的距離不限，優選地，其間距小於等於1厘米。第一方向L1與第二方向 L2形成一夾角α，α大於0度小於等於90度。本實施例中 ’第一方向L1和第二方向L2之間的夾角為90。。所述複數個第一線狀結構408a與該複數個第二線狀結構408b交叉設置的方式不限。本實施例中，第一線狀結構408a和第二線狀結構408b相互編織形成一網狀結構。在另一實施例中，所述複數個間隔設置的第二線狀結構4〇8b接觸設置於所述複數個第一線狀結構408a的同一侧。該複數個第二線狀結構408b與該複數個第一線狀結構4〇8a的接觸部可通過黏結劑固定設置，也可以通過焊接的方式固定設置。當第一線狀結構408a的熔點較低時，也可以通過熱壓的方式將第二線狀結構4〇8b與第一線狀結構408a固定設置。 [0026] 所述基底408具有複數個網孔4〇8c。該複數個網孔4〇8c 100112574 表單編號A0101 第12頁/共58頁 1002020943-0 201240485 Ο [0027] 由相互交叉設置的所述複數個第一線狀結構408a以及複數個第二線狀結構408b圍成。所述網孔408c為四邊形。根據該複數個第一線狀結構408a和該複數個第二線狀結構408b的交叉設置的角度不同，網孔408c可以為正方形、長方形或菱形。網孔408c的大小由相鄰的兩個第一線狀結構408a之間的距離和相鄰的兩個第二線狀結構408b 之間的距離決定。本實施例中，由於所述複數個第一線狀結構408a與複數個第二線狀結構408b分別等間距平行設置，且該複數個第一線狀結構408a與該複數個第二線狀結構408b相互垂直，所以網孔408c為正方形，其邊長為2厘米。 Ο 所述第一線狀結構408a的直徑不限’優選為1〇微米〜5毫米。該第一線狀結構408a的材料由絕緣材料製成，該材料包括纖維、塑膠、樹脂或矽膠等。所述第一線狀結構 408a可以為紡織材料，具體地，該第一線狀結構408a可以包括植物纖維、動物纖維、木纖維及礦物纖維中的一種或多種，如棉線、麻線、毛線、蠶絲線、尼龍線或氨綸等。優選地，該絕緣材料應具有一定的耐熱性質和柔性，如尼龍或聚酯等。另外，該第一綵狀結構408a也可為外表包有絕緣層的導電絲。該導電絲可以為金屬絲或者奈米碳管線狀結構。所述金屬包括金屬單質或者合金，該單質金屬可以為鋁、銅、鎢、鉬、金、鈦、鉉、鈀或铯等，該金屬合金可以為上述單質金屬任意組合的合金。該絕緣層的材料可以為樹脂、塑膠、二氧化矽或金屬氧化物等。本實施例中，該第一線狀結構408a為表面 100112574 表單編號A0101 第13頁/共58頁 1002020943-0 201240485 塗覆有二氧化矽的奈米碳管線狀結構，二氧化矽構成的絕緣層將奈米碳管線狀結構包裹，從而構成該第一線狀結構408a。 [0028] 所述第二線狀結構408b的結構和材料與第一線狀結構 408a的結構和材料相同。在同一實施例中，第二線狀結構408b的結構和材料可以和第一線狀結構408a的結構和材料相同，也可以不相同。本實施例中，第二線狀結構 408b為表面塗覆有絕緣層的奈米碳管線狀結構。 [0029] 所述奈米碳管線狀結構包括至少一根奈米碳管線，該奈米碳管線包括複數個奈米碳管。該奈米碳管可以為單壁奈米碳管、雙壁奈米碳管、多壁奈米碳管中的一種或幾種。所述奈米碳管線可以為由複數個奈米碳管組成的純結構。當奈米碳管線狀結構包括多根奈米碳管線時，該多根奈米碳管線可以相互平行設置。當奈米碳管線狀結構包括多根奈米碳管線時，該多根奈米碳管線可以相互螺旋纏繞。奈米碳管線狀結構中的多根奈米碳管線也可以通過黏結劑相互固定。 [0030] 所述奈米碳管線可以為非扭轉的奈米碳管線或扭轉的奈米碳管線。請參閱圖10，該非扭轉的奈米碳管線包括複數個沿奈米碳管線長度方向延伸並首尾相連的奈米碳管。優選地，該非扭轉的奈米碳管線包括複數個奈米碳管片段，該複數個奈米碳管片段之間通過凡得瓦力首尾相連，每一奈米碳管片段包括複數個相互平行並通過凡得瓦力緊密結合的奈米碳管。即，該非扭轉的奈米碳管線包括複數個奈米碳管沿同一方向延伸。在延伸方向上的 100112574 表單編號A0101 第14頁/共58頁 1002020943-0 201240485 不米奴S ^過凡得瓦力相互連接。該奈米碳管片段具有任意的長；f、厘# ^ 序度、均勻性及形狀。該非扭轉的奈米碳 S線長度不限’直徑為0. 5奈米〜100微米。 [0031] :述扭轉的奈米碳管線為採用 "機械力將所述非扭轉的奈^碳管線沿相反方向扭轉獲得。請參關U，該扭轉In the thermo-acoustic device 30 of the present embodiment, since the substrate 308 includes at least one groove 308a, the groove 308a can reflect sound waves emitted by the thermo-acoustic element 102, thereby enhancing the thermal-induced sounding device 30 in heat-induced manner. Sounding element 102 - the vocal intensity of the side. When the distance between the adjacent grooves 308a is close to zero, the substrate 308 can support both the thermoacoustic element 102 and the maximum surface area of the thermoacoustic element 102 in contact with the surrounding medium. It can be understood that when the depth of the groove 308a reaches a certain value, the sound wave reflected by the groove 308a is superimposed with the original sound wave, thereby causing destructive interference, affecting the sounding effect of the thermoacoustic element 102. To avoid this, it is preferable that the depth of the groove 308a is 10 mm or less. In addition, when the depth of the groove 308a is too small, the thermo-acoustic element 102 suspended by the substrate 308 is too close to the substrate 308, which is disadvantageous for heat dissipation of the thermo-acoustic element 102. Therefore, it is preferable that the depth of the groove 308a is 10 μm or more. Referring to Figures 8 and 9, a fourth embodiment of the present invention provides a thermally-induced sounding device 40. The thermal squealing device 40 of the present embodiment is different from the thermoacoustic device 20 of the second embodiment in that, in this embodiment, the substrate 408 of the thermoacoustic device 40 is a mesh structure. The substrate 408 includes a plurality of first linear structures 408a and a plurality of second linear structures 408b. The linear structure may also be a strip or strip structure. The plurality of first linear structures 408a and the plurality of second linear structures 408b are interdigitated to form a substrate 408 having a mesh structure. The plurality of first linear structures 408a may or may not be parallel to each other, and the plurality of second linear structures 408b may be parallel to each other, or may be 100112574 Form No. A0101 Page 11 / Total 58 Pages 1002020943-0 201240485 are not parallel to each other. When the plurality of first linear structures 408a are parallel to each other, and the plurality of second linear structures 408b are parallel to each other, specifically, the axial direction of the plurality of first linear structures 408a is first The direction L1 extends, and the distance between adjacent first linear structures 4 0 8 a may be equal or unequal. The distance between the adjacent two first linear structures 408a is not limited, and preferably, the pitch is 1 cm or less. In this embodiment, the plurality of first linear structures 408a are equally spaced apart, and the distance between the adjacent two first linear structures 408a is 2 cm. The plurality of second linear structures 408b are spaced apart from each other and extend substantially in the second direction L2 in the axial direction, and the distance between the adjacent second linear structures 4〇8b may be equal or unequal. The distance between the adjacent two second linear structures 4〇8b is not limited, and preferably, the pitch is less than or equal to 1 cm. The first direction L1 forms an angle α with the second direction L2, and α is greater than 0 degrees and less than or equal to 90 degrees. In the present embodiment, the angle between the first direction L1 and the second direction L2 is 90. . The manner in which the plurality of first linear structures 408a are disposed to intersect the plurality of second linear structures 408b is not limited. In this embodiment, the first linear structure 408a and the second linear structure 408b are woven together to form a mesh structure. In another embodiment, the plurality of spaced apart second linear structures 4〇8b are disposed on the same side of the plurality of first linear structures 408a. The contact portion of the plurality of second linear structures 408b and the plurality of first linear structures 4A8a may be fixed by a bonding agent or may be fixed by soldering. When the melting point of the first linear structure 408a is low, the second linear structure 4〇8b and the first linear structure 408a may be fixed by heat pressing. The substrate 408 has a plurality of meshes 4〇8c. The plurality of cells 4〇8c 100112574 Form No. A0101 Page 12/58 page 1002020943-0 201240485 Ο [0027] The plurality of first linear structures 408a and the plurality of second linear structures are disposed by crossing each other 408b encircles. The mesh 408c is quadrangular. The mesh 408c may be square, rectangular or diamond-shaped depending on the angle at which the intersection of the plurality of first linear structures 408a and the plurality of second linear structures 408b are disposed. The size of the mesh 408c is determined by the distance between the adjacent two first linear structures 408a and the distance between the adjacent two second linear structures 408b. In this embodiment, the plurality of first linear structures 408a and the plurality of second linear structures 408b are disposed in parallel at equal intervals, and the plurality of first linear structures 408a and the plurality of second linear structures are The 408b are perpendicular to each other, so the mesh 408c is square and has a side length of 2 cm. The diameter of the first linear structure 408a is not limited to preferably 1 〇 micrometer to 5 mm. The material of the first linear structure 408a is made of an insulating material including fibers, plastics, resins or silicones. The first linear structure 408a may be a textile material. Specifically, the first linear structure 408a may include one or more of plant fibers, animal fibers, wood fibers, and mineral fibers, such as cotton, twine, and wool. Silk thread, nylon thread or spandex. Preferably, the insulating material should have a certain heat resistance and flexibility such as nylon or polyester. Alternatively, the first color-like structure 408a may be a conductive wire having an insulating layer on its outer surface. The conductive filaments may be wire or nanocarbon line-like structures. The metal includes a metal element or an alloy, and the elemental metal may be aluminum, copper, tungsten, molybdenum, gold, titanium, rhodium, palladium or iridium. The metal alloy may be an alloy of any combination of the above elemental metals. The material of the insulating layer may be a resin, a plastic, a ceria or a metal oxide. In this embodiment, the first linear structure 408a is a surface 100112574. Form No. A0101 Page 13 / 58 pages 1002020943-0 201240485 A carbon nanotube-like structure coated with cerium oxide, an insulating layer composed of cerium oxide The nanocarbon line-like structure is wrapped to constitute the first linear structure 408a. [0028] The structure and material of the second linear structure 408b are the same as those of the first linear structure 408a. In the same embodiment, the structure and material of the second linear structure 408b may be the same as or different from the structure and material of the first linear structure 408a. In this embodiment, the second linear structure 408b is a nanocarbon line-like structure whose surface is coated with an insulating layer. [0029] The nanocarbon line-like structure includes at least one nanocarbon line including a plurality of carbon nanotubes. The carbon nanotubes may be one or more of a single-walled carbon nanotube, a double-walled carbon nanotube, or a multi-walled carbon nanotube. The nanocarbon line may be a pure structure composed of a plurality of carbon nanotubes. When the nanocarbon line-like structure includes a plurality of nanocarbon lines, the plurality of nanocarbon lines may be disposed in parallel with each other. When the nanocarbon line-like structure includes a plurality of nanocarbon lines, the plurality of nanocarbon lines may be spirally wound with each other. The plurality of carbon nanotubes in the nanocarbon line-like structure can also be fixed to each other by a binder. [0030] The nanocarbon line may be a non-twisted nano carbon line or a twisted carbon carbon line. Referring to Fig. 10, the non-twisted nanocarbon pipeline includes a plurality of carbon nanotubes extending along the length of the nanocarbon pipeline and connected end to end. Preferably, the non-twisted nanocarbon pipeline comprises a plurality of carbon nanotube segments, the plurality of carbon nanotube segments being connected end to end by van der Waals, and each of the carbon nanotube segments comprises a plurality of mutually parallel and A carbon nanotube that is tightly bonded by van der Waals. That is, the non-twisted nanocarbon line includes a plurality of carbon nanotubes extending in the same direction. In the direction of extension 100112574 Form No. A0101 Page 14 / Total 58 1002020943-0 201240485 Not Minor S ^ Over the Van der Waals interconnected. The carbon nanotube fragments have an arbitrary length; f, PCT, order, uniformity and shape. 5纳米〜100微米。 The non-twisted nano carbon S line length is not limited to a diameter of 0. 5 nanometers ~ 100 microns. [0031] The twisted nanocarbon line is obtained by twisting the non-twisted carbon nanotube line in the opposite direction by mechanical force. Please refer to U, the twist

G 2奈米碳管線包括複數個繞奈米碳管線軸向螺旋排列的 :米碳s。優H該扭轉的奈米破管線包括複數個奈米碳官片段’該複數個奈米碳管片段之間通過凡得瓦力 %相連每奈米碳管片段包括複數個相互平行並通過凡侍瓦力緊密結合的奈米碳管。該奈米碳管片段具有任意的長度、厚度、均句性及形狀。該扭轉的奈米碳管 -又不直;in5奈米⑽微米。所述奈米礙管線及其製備方法請參見Μ善等人於民@91年11⑽日申 Ο :的’於民國97年11月21日公告的第13〇3239號台灣公。專利-種奈米碳管繩及其製造方法，，專利權人：蹲海精密卫業股份有限公司，以及於民國98年7月21日八告的第1312337號台灣公告專利“奈米碳管絲及其製/方法，專利權人.鴻海精密工業股份有限公司。為節省篇&僅$1㈣’但上述巾騎有技術揭露本發明申騎揭露的—部分。 [0032] 本實施例所提供的熱致發㈣置娜賴狀結構的基底 408具有以下優點：其一，網狀結構包括複數個網孔，在給熱致發㈣㈣2提供切的同時，可以使熱致發聲元件震周圍介質具有較大的接觸面積。的基底樹可以具有較好的柔勒性，因此，熱致發«置 100112574 表單編號A0101 1002020943-0 苐15頁/共58頁 201240485 40具有較好的柔韌性。其三，當第一線狀結構4〇83或/和第二線狀結構408b包括塗覆有絕緣層的奈米碳管線狀結構時，奈米碳管線狀結構可以具有較小的直徑，更進一步增加了熱致發聲元件102與周圍介質的接觸面積；奈米碳官線狀結構具有較小的密度，因此，熱致發聲裝置4〇的質量可以較小；奈米碳管線狀結構具有較好的柔祕，可以多次考折而不被破壞，因此，該熱致發聲裝置可以具有更長的使用壽命。 [0033] [0034] [0035] 可以理解的，本實施例中的基底408的網狀結構也可以由至少一根上述各種線狀結構編織而成。當基底408包括一根線狀結構時，該一根線狀結構可以多次彎折交叉後形成一網狀結構。請參見圖12 ’本發明第五實施例提供—種熱致發聲裝置 50。本實施例所提供的熱致發聲裝置50與第二實施例提供的熱致發聲裝置的區別在於’本實施例中，該熱致發聲裝置50的基底508為一奈米碳管複合結構。該奈米碳管複合結構包括一奈米碳管層及塗覆在該奈米碳管層表面的絕緣材料層。所述奈米碳管層包括複數個均勻分佈的奈米碳管。該奈米碳管可以為單壁奈米碳管、雙壁奈米碳管、多壁奈米碳管中的—種或幾種。所述奈米碳官層中的奈米碳管之間可以通過凡得瓦力緊密名士合。該奈米碳管層中的奈米碳管為無序或有序排列。這裏的無序排列指奈米碳管的排列方向無規律，這裏的有序排列指至少多數奈米碳管的排列方向具有一定規律。具艘地’當奈米故管層包括無序排列的奈米碳管時，奈 100112574 表單編號A0101 第16頁/共58頁 1002020943-0 201240485 〇 [0036] 米碳管可以相互纏繞或者各向同性排列；當奈米碳管層包括有序排列的奈米碳管時，奈米碳管沿一個方向或者複數個方向擇優取向排列。該奈米碳管層的厚度不限，可以為0‘5奈米~1厘米’優選地，該奈米碳管層的厚度可以為100微米〜1毫米。該奈米碳管層進一步包括複數個微孔，該微孔由奈米碳管之間的間隙形成.所述奈米碳管層中的微孔的孔徑可以小於等於50微米。所述奈米碳管層可包括至少-層奈米碳管拉膜、奈米碳管絮化膜或奈米碳管碾壓膜。請參閱®13，該奈米碳管拉膜包括複數個通過凡得瓦力相互連接的奈米碳管。所述複數個奈米碳管基本沿同— 方向擇優取向排列。所述擇優取向係指在奈米碳管拉骐中大多數奈米碳管的整體延伸方向基本朝同一方向。而〇且，所述大多數奈米碳管的整體延伸方向基本平行於奈米碳管拉膜的表面。進一步地，所述奈米碳管拉臈中多數奈来碳管係通過凡得瓦力首尾相連。具體地，所述奈管拉财基本朝同—方向延伸的大多數奈米碳管中母-奈米碳管與在延伸方向上相鄰的奈米碳管通過凡得瓦力首尾相連。當然，所述奈米碳管拉膜中存在少數隨機排列的奈米料，這些奈米碳管不會對奈米碳管拉膜中大多H碳管的整體取向排列構成明顯影響。所述奈米碳管㈣為—自支制膜。所述自續為奈米碳管拉膜不需要大面積㈣體支撐，而只要相對兩邊提供支撑力即1整體上懸空而保持自身膜狀狀態，即將該奈米碳^拉膜置於（或固定於）間隔-固定距離設置的兩個 100112574 表單編號A0101 第丨7頁/共58頁 1002020943-0 201240485 支撐體上時，位於兩個支撐體之間的奈米碳管拉膜能夠懸空保持自身膜狀狀態。所述自支撐主要通過奈米碳管拉膜中存在連續的通過凡得瓦力首尾相連延伸排列的奈米碳管而實現。 [0037] 所述奈米碳管拉膜的厚度可以為0.5奈米~100微米，寬度與長度不限，根據第二基體108的大小設定。所述奈米碳管拉膜的具體結構及其製備方法請參見范守善等人於民國96年2月12日申請的，於民國99年7月11日公告的第 13271 77號中國民國公告專利。為節省篇幅，僅引用於此，但所述申請所有技術揭露也應視為本發明申請技術揭露的一部分。 [0038] 當奈米碳管層包括多層奈米碳管拉膜時，相鄰兩層奈米碳管拉膜中的奈米碳管的延伸方向之間形成的交叉角度不限。 [0039] 請參見圖14，所述奈米碳管絮化膜為通過一絮化方法形成的奈米碳管膜。該奈米碳管絮化膜包括相互纏繞且均勻分佈的奈米碳管。所述奈米碳管之間通過凡得瓦力相互吸引、纏繞，形成網路狀結構。所述奈米碳管絮化膜各向同性。所述奈米碳管絮化膜的長度和寬度不限。由於在奈米碳管絮化膜中，奈米碳管相互纏繞，因此該奈米碳管絮化膜具有很好的柔韌性，且為一自支撐結構，可以彎曲折疊成任意形狀而不破裂。所述奈米碳管絮化膜的面積及厚度均不限，厚度為1微米〜1毫米。所述奈米碳管絮化膜及其製備方法請參見范守善等人於民國96年5 月11日申請的，於民國97年11月16日公開的第 100112574 表單編號A0101 第18頁/共58頁 1002020943-0 201240485 200844041號台灣公開專利申請“奈米碳管薄膜的製備方法”。為節省篇幅，僅引用於此，但上述申請所有技術揭露也應視為本發明申請技術揭露的一部分。 [0040] 請參見圖15，所述奈米碳管碾壓膜包括均勻分佈的奈米碳管，奈米碳管沿同一方向或不同方向擇優取向排列。奈米碳管也可以係各向同性的。所述奈米碳管碾壓膜中的奈米碳管相互部分交疊，並通過凡得瓦力相互吸引， Ο 緊密結合。所述奈米碳管碾壓膜中的奈米碳管與形成奈米碳管陣列的生長基底的表面形成一夾角召，其中，召大於等於0度且小於等於15度。依據碾壓的方式不同，該奈米碳管碾壓膜中的奈米碳管具有不同的排列形式。當沿同一方向碾壓時，奈米碳管沿一固定方向擇優取向排列。可以理解，當沿不同方向碾壓時，奈米碳管可沿複數個方向擇優取向排列。該奈米碳管碾壓膜厚度不限，The G 2 nanocarbon pipeline includes a plurality of axially helically arranged carbon nanotubes: m-carbon s. The H-reversed nano-crushing pipeline includes a plurality of nano-carbon-segment fragments. The plurality of carbon nanotube segments are connected by van der Waals% per carbon nanotube segment including a plurality of mutually parallel and passed through The silicon carbide tightly combined with the carbon nanotubes. The carbon nanotube segments have any length, thickness, uniformity and shape. The twisted carbon nanotubes - not straight; in5 nanometers (10) microns. For the nano-barrier pipeline and its preparation method, please refer to the “Taiwan No. 13〇3239, announced on November 21, 1997, in the Republic of China on November 11 (10). Patent-Nano carbon tube rope and its manufacturing method, patentee: Bohai Precision Guard Co., Ltd., and Taiwan No. 1312337, No. 1312337, on July 21, 1998, Taiwan Announced Patent "Nano Carbon Tube" Silk and its system/method, patentee. Hon Hai Precision Industry Co., Ltd.. To save the article & only $1 (four)' but the above-mentioned towel ride technology has disclosed the part of the invention disclosed by the application of the invention. [0032] The substrate 408 provided by the thermally induced (four) Naira-like structure has the following advantages: First, the mesh structure includes a plurality of meshes, and the heat-induced sounding element can be used to vibrate the surrounding medium while providing heat-induced (four) (four) 2 cuts. The base tree has a larger contact area. The base tree can have better flexibility. Therefore, the heat generation is set to 100112574 Form No. A0101 1002020943-0 苐15 pages/58 pages 201240485 40 has good flexibility. Third, when the first linear structure 4〇83 or/and the second linear structure 408b includes a nanocarbon line-like structure coated with an insulating layer, the nanocarbon line-like structure may have a smaller diameter, further Increased thermal vocalization The contact area of the member 102 with the surrounding medium; the nano-carbon official linear structure has a small density, and therefore, the mass of the thermo-acoustic device 4 可以 can be small; the nano-carbon line-like structure has better flexibility, and The thermal sounding device can have a longer service life. [0035] [0035] It can be understood that the mesh structure of the substrate 408 in this embodiment can also be The woven fabric is woven by at least one of the above various linear structures. When the substrate 408 includes a linear structure, the one linear structure can be bent and intersected a plurality of times to form a mesh structure. Referring to FIG. 12 The fifth embodiment provides a thermo-acoustic device 50. The thermo-acoustic device 50 provided in this embodiment is different from the thermo-acoustic device provided in the second embodiment in the present embodiment. The substrate 508 is a carbon nanotube composite structure. The carbon nanotube composite structure comprises a carbon nanotube layer and an insulating material layer coated on the surface of the carbon nanotube layer. The carbon nanotube layer comprises Multiple evenly distributed nai The carbon tube may be a single-walled carbon nanotube, a double-walled carbon nanotube, or a multi-walled carbon nanotube. The nanocarbon in the nanocarbon layer The tubes can be closely connected by van der Waals. The carbon nanotubes in the carbon nanotube layer are disordered or ordered. The disordered arrangement here means that the arrangement direction of the carbon nanotubes is irregular. The ordered arrangement means that at least most of the carbon nanotubes have a certain order of arrangement. When the ship's 'nano tube layer includes unordered carbon nanotubes, Nai 100112574 Form No. A0101 Page 16 of 58 Page 1002020943-0 201240485 〇[0036] The carbon nanotubes can be entangled or isotropically arranged; when the carbon nanotube layer comprises an ordered arrangement of carbon nanotubes, the carbon nanotubes are preferred in one direction or in multiple directions Orientation. The thickness of the carbon nanotube layer is not limited and may be 0 '5 nm to 1 cm'. Preferably, the carbon nanotube layer may have a thickness of 100 μm to 1 mm. The carbon nanotube layer further includes a plurality of micropores formed by a gap between the carbon nanotubes. The pores in the carbon nanotube layer may have a pore diameter of 50 μm or less. The carbon nanotube layer may comprise at least a layer of carbon nanotube film, a carbon nanotube film or a carbon nanotube film. Refer to ®13, which includes a number of carbon nanotubes interconnected by van der Waals. The plurality of carbon nanotubes are arranged in a preferred orientation along the same direction. The preferred orientation means that the overall extension direction of most of the carbon nanotubes in the carbon nanotube pulling is substantially in the same direction. Moreover, the overall extension direction of the majority of the carbon nanotubes is substantially parallel to the surface of the carbon nanotube film. Further, most of the carbon nanotubes in the carbon nanotubes are connected end to end by van der Waals force. Specifically, the majority of the carbon nanotubes extending substantially in the same direction as the nanotubes are connected to the carbon nanotubes adjacent to each other in the extending direction by van der Waals. Of course, there are a small number of randomly arranged nano-materials in the carbon nanotube film, and these carbon nanotubes do not significantly affect the overall orientation of most of the H-tubes in the carbon nanotube film. The carbon nanotubes (4) are self-supporting membranes. The self-sustaining carbon nanotube film does not require a large area (four) body support, and as long as the support force is provided on both sides, that is, the whole body is suspended and maintained in a self-membranous state, that is, the nano carbon film is placed (or Fixed at) Interval-fixed distance setting of two 100112574 Form No. A0101 Page 7 of 58 1002020943-0 201240485 On the support, the carbon nanotube film between the two supports can be suspended to keep itself Membrane state. The self-supporting is mainly achieved by the presence of continuous carbon nanotubes extending through the end-to-end extension of the van der Waals force in the carbon nanotube film. [0037] The carbon nanotube film may have a thickness of 0.5 nm to 100 μm, and the width and the length are not limited, and are set according to the size of the second substrate 108. For the specific structure of the carbon nanotube film and its preparation method, please refer to Fan Shoushan and others who applied for it on February 12, 1996. The Republic of China announced the patent No. 13271 77 announced on July 11, 1999. To save space, reference is made only to this, but all technical disclosures of the application are also considered to be part of the technical disclosure of the present application. [0038] When the carbon nanotube layer comprises a plurality of layers of carbon nanotube film, the angle of intersection formed between the extending directions of the carbon nanotubes in the adjacent two layers of carbon nanotube film is not limited. Referring to FIG. 14, the carbon nanotube flocculation membrane is a carbon nanotube membrane formed by a flocculation method. The carbon nanotube flocculation membrane comprises carbon nanotubes which are intertwined and uniformly distributed. The carbon nanotubes are attracted and entangled by van der Waals forces to form a network structure. The carbon nanotube flocculation membrane is isotropic. The length and width of the carbon nanotube film are not limited. Since the carbon nanotubes are intertwined in the carbon nanotube flocculation membrane, the carbon nanotube flocculation membrane has good flexibility and is a self-supporting structure, which can be bent and folded into any shape without breaking. . The area and thickness of the carbon nanotube film are not limited, and the thickness is 1 μm to 1 mm. The carbon nanotube flocculation membrane and the preparation method thereof are described in Fan Shoushan et al., which was filed on May 11, 1996, and was published on November 16, 1997 in the Republic of China. No. 100112574 Form No. A0101 Page 18 of 58 Page 1002020943-0 201240485 200844041 Taiwan Provisional Patent Application "Preparation method of carbon nanotube film". In order to save space, only the above is cited, but all the technical disclosures of the above application are also considered as part of the disclosure of the technology of the present application. [0040] Referring to FIG. 15, the carbon nanotube rolled film includes uniformly distributed carbon nanotubes, and the carbon nanotubes are arranged in the same direction or in different directions. The carbon nanotubes can also be isotropic. The carbon nanotubes in the carbon nanotube rolled film partially overlap each other and are attracted to each other by van der Waals force, and Ο is tightly bonded. The carbon nanotubes in the carbon nanotube rolled film form an angle with the surface of the growth substrate forming the carbon nanotube array, wherein the sum is greater than or equal to 0 degrees and less than or equal to 15 degrees. The carbon nanotubes in the carbon nanotube rolled film have different arrangements depending on the manner of rolling. When rolled in the same direction, the carbon nanotubes are arranged in a preferred orientation along a fixed orientation. It will be appreciated that the carbon nanotubes may be arranged in a preferred orientation along a plurality of directions when rolled in different directions. The thickness of the carbon nanotube film is not limited.

優選為為1微米〜1毫米。該奈米碳管碾壓膜的面積不限，由碾壓出膜的奈米碳管陣列的大小決定。當奈米碳管陣列的尺寸較大時，可以碾壓制得較大面積的奈米碳管碾壓膜。所述奈米碳管碾壓膜及其製備方法請參見范守善等人於民國96年6月29日申請的，於民國99年12月21日公告的第1334851號台灣公告專利“奈米碳管薄膜的製備方法”。為節省篇幅，僅引用於此，但上述申請所有技術揭露也應視為本發明申請技術揭露的一部分。所述絕緣材料層位於奈米碳管層的表面，該絕緣材料層的作用為使奈米碳管層與熱致發聲元件102相互絕緣。該絕緣材料層僅分佈於奈米碳管層的表面，或者絕緣材料 100112574 表單編號Α0101 第19頁/共58頁 1002020943-0 [0041] 201240485 層包裹奈米碳管層中的每根奈米碳管。當絕緣材料層、厚度較薄af，*會將奈米碳管層中的微孔堵塞，因此的该奈米碳管複合結構包括複數個微孔。所述熱致發聲一件102相對於該複數個微孔至少部分懸空設置。複數個，孔使熱致發聲元件102與外界接觸面積較大。固微 [0042] [0043] 本實施例所提供的熱致發聲裝置5〇採用奈米琰管複八妹構作為基底508，具有以下優點：第一，奈米碳管複八= 構包括奈米碳管層和塗覆在奈米碳管層表面的絕緣材；：° 層，由於奈米碳管層可以由純的奈米碳管組成的結構，：因此，奈米碳管層的密度小，質量相對較輕，此’熱致發聲裝置50具有較小的質量，方便應用；第二，… 一.— -Si. 碳管層中的微孔係由奈米碳管之間的間隙構成，分佈岣勻，在絕緣材料層較薄的情況下，奈米碳管複合鈐構可以保持該均勻分佈的微孔結構，因此，熱致發眷_ *、年几件1 〇 2 通過該基底508可以與外界空氣較均勻地接觸；— ’ $二，所述奈米碳管層具有良好的柔韌性，可以多次彎杯 $饵而不被破壞，因此’奈米碳管複合結構具有較好的柔韌性，用奈米端管複合結構作為基底508的熱致發聲展置5 柔性的發聲裝置’可以設置成任何形狀不受限制。請參見圖16及圖17，本發明第六實施例提供一種熱致發聲裝置60 ’該熱致發聲裝置60包括一基底6〇8、一致熱裝置104及一熱致發聲元件102。該致熱裝置1〇4包括複數個第一電極l〇4a及複數個第二電極1〇4b，所述複數個第一電極l〇4a和複數個第二電極i〇4b分別和熱致發聲元件 1 〇2電連接。 100112574 表箪编號A0101 第20頁/共58頁 1002020943-0 201240485 • . [0044] Ο [0045] Ο [0046] 所述複數個第-電極1Q4a與複數個第二電極丨㈣交替間隔《又置於基底608。所述熱致發聲元件1〇2設置於該複數個第-電極l〇4a與複數個第二電極1〇41)上，使該複數個第電極與複數個第二電極1 位於基底6〇8與熱致發聲凡件1()2之間，該熱致發聲元件1G2相對於基底 608 #刀懸^。即’複數個第—電極、複數個第二電極i〇4b、熱致發聲元件1〇2以及基底6〇8共同形成有複數個間隙6〇1，從而使該熱致發聲元件102與周圍空氣產生較大的接觸面積。各個相鄰的第-電極104a與第二電極 l〇4b之間的距離可以相等也可以不相等。優選地，各個相鄰的第—電極104a與第二電極1 〇4b之間的距離相等。相鄰的第-電極1()4a與第二電極1G4b之間的距離不限，優選為10微米〜1厘米。所述基底608主要起承載第一電極l〇4a與第二電極104b 的作用。該基底608的形狀與大小不限，材料為絕緣材料或導電性差的材料。另外，該基底6()8的材料應具有較好的絕熱性能，從而防止該熱致發聲元件1〇2產生的熱量被該基底608吸收，而無法達到加熱周圍介質進而發聲的目的。在本實施例中，該基底608的材料可為玻璃、樹脂或陶瓷等。本實施例中，所述基底608為一正方形的玻璃板 ’其邊長為4. 5厘米，厚度為1毫米》該間隙601由一個第一電極i〇4a、一個第二電極與基底608定義，該間隙601的高度取決於第一電極1〇43與第二電極104b的高度。在本實施例中，第一電極丨〇4a與第二電極104b的尚度範圍為1微米〜1厘米。優選地第 100112574 表單編號A0101 第21頁/共58頁 1002020943-0 201240485 一電極104a和第二電極1〇4b的高度為15微米。 [0047] [0048] 所述第一電極l〇4a與第二電極1〇41)可為層狀（絲狀或帶狀）、棒狀、條狀、塊狀或其他形狀，其橫載面的形狀可為圓型、方型、梯形、三角形、多邊形或其他不規則形狀。該第一電極104a與第二電極1〇41)可通過螺栓連接或黏結劑黏結等方式固定於基底6〇8。而為防止熱致發聲元件102的熱量被第一電極1〇4a與第二電極1〇扑過多吸收而衫響發聲效果，該第一電極1〇4a及第二電極與熱致發聲元件1〇2的接觸面積較小為好，因此，該第一電極l〇4a和第二電極1〇4b的形狀優選為絲狀或帶狀。該第一電極104a與第二電極104b材料可選擇為金屬導電膠、導電漿料、銦錫氧化物（ITG)、奈米碳管或碳纖維等。當第一電極104a或第二電極104b的材料為奈米碳管時，該第一電極104a或第二電極丨〇4b可以為一奈米碳管線狀結構。該奈米碳管線狀結構的結構與第四實施例提供的奈米碳皆線狀結構相同。由於奈米碳管線狀結構中的奈米碳管首尾相連’因此，奈米碳管線狀結構具有良好的導電性，可以用作電極。該熱致發聲裝置60進一步包括一第一電極引線61〇及—第二電極引線612，該第一電極引線61〇與第二電極引線 612分別與熱致發聲裝置6〇中的第一電極1〇“和第二電極104b連接，使複數個第一電極i〇4a分別與該第一電極引線610電連接，使複數個第二電極1〇41)分別與該第二電極引線61 2電連接。所述熱致發聲裝置6〇通過該第_電極引線610和第二電極引線612與外部電路電連接。這種連 100112574 表單編號A0101 第22頁/共58頁 1002020943- 201240485 [0049] Ο [0050]It is preferably 1 μm to 1 mm. The area of the carbon nanotube rolled film is not limited, and is determined by the size of the carbon nanotube array that is rolled out of the film. When the size of the carbon nanotube array is large, a large area of the carbon nanotube rolled film can be crushed. The carbon nanotube rolling film and its preparation method can be found in Fan Shoushan et al., which was filed on June 29, 1996, and announced on December 21, 1999 in Taiwan No. 1334851, Taiwan Announced Patent "Nano Carbon Tube" Method for preparing a film". In order to save space, only the above is cited, but all the technical disclosures of the above application are also considered as part of the disclosure of the technology of the present application. The insulating material layer is located on the surface of the carbon nanotube layer, and the insulating material layer functions to insulate the carbon nanotube layer from the thermoacoustic element 102. The layer of insulating material is only distributed on the surface of the carbon nanotube layer, or the insulating material 100112574 Form No. 1010101 Page 19 of 581002020943-0 [0041] Each of the nanocarbons in the layer of carbon nanotubes tube. When the insulating material layer and the thinner af, * will block the micropores in the carbon nanotube layer, the carbon nanotube composite structure includes a plurality of micropores. The thermally audible component 102 is at least partially suspended relative to the plurality of microwells. The plurality of holes make the thermo-acoustic element 102 have a large contact area with the outside. The micro-acoustic device 5〇 provided by the present embodiment uses the nano-tubes and the eight-sister structure as the base 508, and has the following advantages: First, the carbon nanotubes are eight; The carbon nanotube layer and the insulating material coated on the surface of the carbon nanotube layer;: ° layer, because the carbon nanotube layer can be composed of pure carbon nanotubes, therefore: the density of the carbon nanotube layer Small, relatively light weight, this 'thermo-inducing device 50 has a small mass, convenient for application; second,... I.--Si. The microporous system in the carbon tube layer is composed of the gap between the carbon nanotubes The distribution is uniform, and in the case where the insulating material layer is thin, the carbon nanotube composite structure can maintain the uniformly distributed microporous structure, and therefore, the heat-induced 眷_*, several pieces of 1 〇2 pass through the substrate 508 can be more uniformly contacted with the outside air; - ' $ 2, the carbon nanotube layer has good flexibility, can bend the cup bait multiple times without being destroyed, so the 'nano carbon tube composite structure has Good flexibility, using a nano-end tube composite structure as the thermal vocal spread of the substrate 508 5 Of sounding device 'may be provided in any form is not limited. Referring to Figures 16 and 17, a sixth embodiment of the present invention provides a thermo-acoustic device 60'. The thermo-acoustic device 60 includes a substrate 6〇8, a uniform thermal device 104, and a thermo-acoustic component 102. The heating device 1〇4 includes a plurality of first electrodes 104a and a plurality of second electrodes 1〇4b, and the plurality of first electrodes 104a and a plurality of second electrodes i〇4b respectively Component 1 〇 2 is electrically connected. 100112574 Table No. A0101 Page 20 of 58 1002020943-0 201240485 • [0044] Ο [0046] The plurality of first electrodes 1Q4a and the plurality of second electrodes 四 (four) are alternately spaced Placed on substrate 608. The thermoacoustic element 1 2 is disposed on the plurality of first electrodes 110a and the plurality of second electrodes 110, such that the plurality of first electrodes and the plurality of second electrodes 1 are located on the substrate 6〇8 Between the thermally audible component 1() 2, the thermoacoustic element 1G2 is suspended relative to the substrate 608. That is, the plurality of first electrodes, the plurality of second electrodes i〇4b, the thermo-acoustic element 1〇2, and the substrate 6〇8 are collectively formed with a plurality of gaps 6〇1, thereby causing the thermo-acoustic element 102 and the surrounding air. Produces a large contact area. The distance between each of the adjacent first electrode 104a and the second electrode 110b may be equal or unequal. Preferably, the distance between each adjacent first electrode 104a and the second electrode 1 〇 4b is equal. The distance between the adjacent first electrode 1() 4a and the second electrode 1G4b is not limited, and is preferably 10 μm to 1 cm. The substrate 608 mainly functions to carry the first electrode 104a and the second electrode 104b. The shape and size of the substrate 608 are not limited, and the material is an insulating material or a material having poor conductivity. Further, the material of the substrate 6 () 8 should have a good heat insulating property, so that the heat generated by the thermo-acoustic element 1 〇 2 is prevented from being absorbed by the substrate 608, and the purpose of heating the surrounding medium to sound is not obtained. In this embodiment, the material of the substrate 608 may be glass, resin or ceramic or the like. In this embodiment, the substrate 608 is a square glass plate having a side length of 4.5 cm and a thickness of 1 mm. The gap 601 is defined by a first electrode i〇4a, a second electrode and a substrate 608. The height of the gap 601 depends on the heights of the first electrode 1〇43 and the second electrode 104b. In the present embodiment, the first electrode 丨〇4a and the second electrode 104b have a grace range of 1 μm to 1 cm. Preferably, 100112574 Form No. A0101 Page 21 of 58 1002020943-0 201240485 The height of one electrode 104a and the second electrode 1〇4b is 15 microns. [0048] The first electrode 104a and the second electrode 1〇41) may be layered (filament or strip), rod, strip, block or other shape, and the cross surface thereof The shape can be round, square, trapezoidal, triangular, polygonal or other irregular shape. The first electrode 104a and the second electrode 1〇41) may be fixed to the substrate 6〇8 by bolting or bonding of a bonding agent or the like. In order to prevent the heat of the thermo-acoustic element 102 from being excessively absorbed by the first electrode 1〇4a and the second electrode 1, the first electrode 1〇4a and the second electrode and the thermo-acoustic element 1〇 The contact area of 2 is preferably small, and therefore, the shape of the first electrode 104a and the second electrode 1〇4b is preferably a filament or a ribbon. The material of the first electrode 104a and the second electrode 104b may be selected from a metal conductive paste, a conductive paste, an indium tin oxide (ITG), a carbon nanotube or a carbon fiber. When the material of the first electrode 104a or the second electrode 104b is a carbon nanotube, the first electrode 104a or the second electrode 丨〇4b may have a nanocarbon line structure. The structure of the nanocarbon line-like structure is the same as that of the carbon carbon line structure provided in the fourth embodiment. Since the carbon nanotubes in the nanocarbon line-like structure are connected end to end, the nanocarbon line-like structure has good electrical conductivity and can be used as an electrode. The thermo-acoustic device 60 further includes a first electrode lead 61 〇 and a second electrode lead 612. The first electrode lead 61 〇 and the second electrode lead 612 are respectively associated with the first electrode 1 of the thermo-acoustic device 6 〇〇" is connected to the second electrode 104b, and the plurality of first electrodes i 〇 4a are electrically connected to the first electrode lead 610, respectively, and the plurality of second electrodes 1 〇 41) are electrically connected to the second electrode lead 61 2 The thermo-acoustic device 6 is electrically connected to an external circuit through the first electrode lead 610 and the second electrode lead 612. This connection 100112574 Form No. A0101 Page 22 of 58 1002020943-201240485 [0049] Ο [ 0050]

[0051] 接方式可以使第一電極引線61 0和第二電極引線6 1 2之間的熱致發聲元件102的方塊電阻大大減小，可以提高熱致發聲元件102的發聲效率。本實施例中，複數個第一電極104a和複數個第二電極 104b可以起到支撐熱致發聲元件102的作用，因此，基底 608並非必須的元件。當本實施例中的熱致發聲裝置60不包括基底608時，第一電極104a和第二電極104b在使熱致發聲元件102與外部電路電連接的同時，還可以保護和支撐熱致發聲元件102。本實施例中，第一電極104a與第二電極104b為用絲網印刷方法形成的絲狀銀電極。第一電極104a數量為四個，第二電極104b數量為四個，該四個第一電極104a與四個第二電極104b交替且等間距設置於基底608。每個第一電極104a與第二電極104b的長度均為3厘米，高度為15微米，相鄰的第一電極104a與第二電極104b之間的距離為 5毫米。本實施例提供的熱致發聲裝置60中，熱致發聲元件102通過複數個第一電極104a和複數個第二電極104b懸空設置，增加了熱致發聲元件102與周圍空氣的接觸面積，有利於熱致發聲元件102與周圍空氣熱交換，提高了發聲效率〇請參見圖18和圖19，本發明第七實施例提供一種熱致發聲裝置70。該熱致發聲裝置70包括一基底608、一致熱裝置104及一熱致發聲元件102。該致熱裝置104包括複數 100112574 表單編號A0101 第23頁/共58頁 1002020943-0 [0052] 201240485 —办〜電極104a及複數個第二電極1〇仆，所述複數個第 —電極104a和複數個第二電極1〇4b分別和熱致發聲元件 ⑽電連接。該熱致發聲元件1()2包括—石墨稀膜。本實知例所提供的減發聲裝置7G與第六實施例所提供的熱致發聲裝置60的結構基本相同，其區別在於，本實施例中，相鄰的兩個第—電極l〇4a和第二電極1041)之間進一步包括至少一個間隔元件714。 [0053] [0054] 斤述間隔元件714與基底6〇8可以為分離的元件，該間隔元件714通過例如螺栓連接或黏結劑黏結等方式固定於基底6〇8。另夕卜’該間隔元件714也可以與基底6〇8一體成里，即間隔兀件714的材料與基底6〇8的材料相同。該間隔元件714的形狀不限，可為球形、絲狀或帶狀結構。為保持熱致發聲元件1()2騎請的發聲效果，關隔元件 714在支撲熱致發聲元件102的同時應與熱致發聲元件 1 〇2具有較小的接觸面積，優選為該間隔元件714與熱致發聲元件102之間為點接觸或線接觸。在本實施例中，該間隔元件714的材料不限，可為玻璃、陶究或樹脂等的絕緣材料，也可為金屬、合金或姻錫氧化物等的導fn當間隔元件714為導電材料時其與第一電極104a和第二電極1〇41)電性絕緣，且，優選地，間隔元件714與第一電極1〇4a和第二電極1〇扑平行。該間隔元件714的高度不限，優選為1〇微米〜丨厘米。本實施例中，該間隔元件714為採用絲網印刷方法形成的絲狀銀，該間隔元件714的高度與所述第一電極1〇4&及第二電極 104b的高度相同，為2〇微米。間隔元件714與第一電極 100112574 表單編號A0101 第24頁/共58頁 1002020943-0 201240485 [0055] Ο [0056][0051] The connection method can greatly reduce the sheet resistance of the thermoacoustic element 102 between the first electrode lead 61 0 and the second electrode lead 6 1 2, and the vocal efficiency of the thermoacoustic element 102 can be improved. In this embodiment, the plurality of first electrodes 104a and the plurality of second electrodes 104b can function to support the thermoacoustic element 102, and therefore, the substrate 608 is not an essential component. When the thermo-acoustic device 60 in this embodiment does not include the substrate 608, the first electrode 104a and the second electrode 104b can also protect and support the thermo-acoustic component while electrically connecting the thermo-acoustic element 102 to an external circuit. 102. In this embodiment, the first electrode 104a and the second electrode 104b are filamentary silver electrodes formed by a screen printing method. The number of the first electrodes 104a is four, and the number of the second electrodes 104b is four. The four first electrodes 104a and the four second electrodes 104b are alternately and equally spaced on the substrate 608. Each of the first electrode 104a and the second electrode 104b has a length of 3 cm and a height of 15 μm, and a distance between the adjacent first electrode 104a and the second electrode 104b is 5 mm. In the thermo-acoustic device 60 provided in this embodiment, the thermo-acoustic element 102 is suspended by the plurality of first electrodes 104a and the plurality of second electrodes 104b, which increases the contact area between the thermo-acoustic element 102 and the surrounding air, which is advantageous. The heat-induced sounding element 102 is heat-exchanged with the surrounding air to improve the sounding efficiency. Referring to Figures 18 and 19, a seventh embodiment of the present invention provides a thermo-acoustic sounding device 70. The thermoacoustic device 70 includes a substrate 608, a uniform thermal device 104, and a pyrogenic component 102. The heating device 104 includes a plurality of 100112574, a form number A0101, a page 23, a total of 58 pages, 1002020943-0, and a plurality of second electrodes 1a, a plurality of first electrodes 104a and plural The second electrodes 1〇4b are electrically connected to the thermo-acoustic elements (10), respectively. The thermoacoustic element 1() 2 comprises a graphite thin film. The structure of the sound-inducing device 7G provided in the present embodiment is substantially the same as that of the thermo-acoustic device 60 provided in the sixth embodiment, except that in the present embodiment, two adjacent first electrodes 104a and At least one spacer element 714 is further included between the second electrodes 1041). [0054] The spacer member 714 and the substrate 6〇8 may be separate members, and the spacer member 714 is fixed to the substrate 6〇8 by, for example, bolting or adhesive bonding. Further, the spacer member 714 may be integral with the substrate 6A, i.e., the spacer member 714 is made of the same material as the substrate 6A8. The spacer element 714 is not limited in shape and may be in the form of a sphere, a filament or a ribbon. In order to maintain the vocalization effect of the thermoacoustic element 1() 2, the spacer element 714 should have a small contact area with the thermoacoustic element 1 〇2 while supporting the thermoacoustic element 102, preferably the interval The element 714 is in point or line contact with the thermally audible element 102. In this embodiment, the material of the spacer member 714 is not limited, and may be an insulating material such as glass, ceramics, or resin, or may be a conductive material such as a metal, an alloy, or a tin oxide. When the spacer member 714 is a conductive material. It is electrically insulated from the first electrode 104a and the second electrode 1〇41), and preferably, the spacer element 714 is parallel to the first electrode 1〇4a and the second electrode 1 . The height of the spacer element 714 is not limited, and is preferably 1 〇 micrometer to 丨 cm. In this embodiment, the spacer element 714 is a filament-like silver formed by a screen printing method, and the height of the spacer element 714 is the same as the height of the first electrode 1〇4& and the second electrode 104b, which is 2 μm. . Spacer element 714 and first electrode 100112574 Form No. A0101 Page 24 of 58 1002020943-0 201240485 [0055] Ο [0056]

104a和第二電極104b平行設置。由於間隔元件714的高度與第一電極l〇4a和第二電極104b的高度相同，因此，所述熱致發聲元件102位於同一平面。所述熱致發聲元件102設置於間隔元件714、第一電極 104a及第二電極104b。該熱致發聲元件102通過該間隔元件714與基底608間隔設置，且與該基底608形成有一空間701，該空間701係由所述第一電極104a或所述第二電極104b、所述間隔元件714、基底608以及熱致發聲元件102共同形成。進一步地，為防止熱致發聲元件102產生駐波，保持熱致發聲元件102良好的發聲效果，該熱致發聲元件102與基底608之間的距離優選為10微米〜1厘米。本實施例中，由於第一電極104a、第二電極104b及間隔元件714的高度為20微米，所述熱致發聲元件102設置於第一電極104a、第二電極104b及間隔元件714，因此，該熱致發聲元件102與基底608之間的距離為20微米。可以理解，第一電極104a和第二電極104b對熱致發聲元件102也有一定的支撐作用，但當第一電極104a和第二電極104b之間的距離較大時，對熱致發聲元件102的支撐效果不佳，在第一電極104a和第二電極104b之間設置間隔元件714，可起到較好支撐熱致發聲元件102的作用，使熱致發聲元件102與基底6 08間隔設置並與基底6 08形成有一空間701，從而保證熱致發聲元件102具有良好的發聲效果。請參見圖20，本發明第八實施例提供一種熱致發聲裝置 80。該熱致發聲裝置80包括至少一個致熱裝置和複數個 100112574 表單編號A0101 第25頁/共58頁 1002020943-0 [0057] 201240485 熱致發聲元件。所述複數個熱致發聲元件的情況包括兩種：第一’該複數個熱致發聲元件的數量為至少兩個熱致發聲元件之間沒有相互接觸；第二，該複數個熱致發聲元件的數量為一個，該熱致發聲元件設晋 a於一具有曲面的基底上’使其法線方向為複數個或者該熱致發聲元件彎折後設置於不同的平面上。致熱裝置可以與熱致發聲元件一一對應’也可以一個致熱裳置對應複數個熱致發聲元件。該致熱裝置也可以為由對應所述複數個熱致發聲元件的複數個部位組成的一整體結構。本實施例中，該熱致發聲裝置80包括一第一致熱裝置8〇4、_第_ 致熱裝置806、一基底208、一第一熱致發聲元件8〇23及一第二熱致發聲元件8〇2b。 [0058] 所述基底208包括一第一表面（圖未標）及一第二表面（圖未標）。所述基底208的形狀、尺寸及厚度均不限。所述第一表面和第二表面可為平面、曲面或凹凸不平的表面。第一表面和第二表面可以為相鄰的兩個表面，也可以為相對的兩個表面。本實施例中，所述基底2〇8為一長方體結構，第一表面和第二表面為兩個相對的表面。所述基底208進一步包括複數個通孔208a，該通孔208a貫穿於第一表面和第二表面，從而使第一表面和第二表面成為凹凸不平的表面。所述複數個通孔2〇8a可以相互平行設置。 [0059] 所述第一熱致發聲元件802a設置於基底208的第一表面上 ’並相對於該第一表面至少部分懸空設置。所述第二熱致發聲元件8〇2b設置於第二表面上，並相對於第二表面 100112574 表單編號A0101 第26頁/共58頁 1002020943-0 201240485 [0060] Ο104a and the second electrode 104b are disposed in parallel. Since the height of the spacer element 714 is the same as the height of the first electrode 104a and the second electrode 104b, the thermoacoustic elements 102 are located on the same plane. The thermoacoustic element 102 is disposed on the spacer element 714, the first electrode 104a, and the second electrode 104b. The thermoacoustic element 102 is spaced apart from the substrate 608 by the spacer element 714, and forms a space 701 with the substrate 608, the space 701 being the first electrode 104a or the second electrode 104b, the spacer element 714, substrate 608 and thermally audible element 102 are formed together. Further, in order to prevent the thermo-acoustic element 102 from generating a standing wave, the sound-inducing element 102 is maintained in a good sounding effect, and the distance between the thermo-acoustic element 102 and the substrate 608 is preferably 10 μm to 1 cm. In this embodiment, since the heights of the first electrode 104a, the second electrode 104b, and the spacer element 714 are 20 micrometers, the thermoacoustic element 102 is disposed on the first electrode 104a, the second electrode 104b, and the spacer element 714. The distance between the thermoacoustic element 102 and the substrate 608 is 20 microns. It can be understood that the first electrode 104a and the second electrode 104b also have a certain supporting effect on the thermo-acoustic element 102, but when the distance between the first electrode 104a and the second electrode 104b is large, the thermo-acoustic element 102 is The support effect is not good, and the spacer element 714 is disposed between the first electrode 104a and the second electrode 104b, so as to better support the thermo-acoustic element 102, and the thermo-acoustic element 102 is spaced from the substrate 808 and is The substrate 608 is formed with a space 701 to ensure that the thermoacoustic element 102 has a good vocalization effect. Referring to Figure 20, an eighth embodiment of the present invention provides a thermally induced sounding device 80. The thermo-acoustic device 80 includes at least one heating device and a plurality of 100112574 Form No. A0101 Page 25 of 58 1002020943-0 [0057] 201240485 Thermo-acoustic component. The plurality of thermo-acoustic elements include two types: first, the number of the plurality of thermo-acoustic elements is such that at least two of the thermo-acoustic elements are not in contact with each other; and second, the plurality of thermo-acoustic elements are The number of the thermo-acoustic elements is set on a substrate having a curved surface such that the normal direction thereof is plural or the thermo-acoustic elements are bent and disposed on different planes. The heat generating means may correspond one-to-one with the thermo-acoustic elements. Alternatively, a plurality of thermally-sounding elements may be associated with one heating. The heating means may also be a unitary structure consisting of a plurality of portions corresponding to the plurality of thermally audible elements. In this embodiment, the thermo-acoustic device 80 includes a first heating device 8〇4, a _th heating device 806, a substrate 208, a first thermo-acoustic component 8〇23, and a second thermal Sounding element 8〇2b. [0058] The substrate 208 includes a first surface (not labeled) and a second surface (not labeled). The shape, size and thickness of the substrate 208 are not limited. The first surface and the second surface may be flat, curved or uneven surfaces. The first surface and the second surface may be adjacent two surfaces or may be opposite surfaces. In this embodiment, the substrate 2〇8 is a rectangular parallelepiped structure, and the first surface and the second surface are two opposite surfaces. The substrate 208 further includes a plurality of through holes 208a penetrating the first surface and the second surface such that the first surface and the second surface become uneven surfaces. The plurality of through holes 2〇8a may be disposed in parallel with each other. [0059] The first thermo-acoustic component 802a is disposed on the first surface of the substrate 208 and is at least partially suspended relative to the first surface. The second thermal sounding element 8〇2b is disposed on the second surface and opposite to the second surface. 100112574 Form No. A0101 Page 26 of 58 1002020943-0 201240485 [0060]

[0061] 至少部分懸空設置。所述第一熱致發聲元件802a為一石墨烯膜。所述第二熱致發聲元件802b為一石墨烯膜或者一奈米碳管層。所述奈米碳管層的結構與第五實施例中所揭示的奈米碳管層的結構相同。由於奈米碳管層包括至少一層奈米碳管膜，奈米碳管層的厚度較小，具有較小的單位面積熱容，因此，奈米碳管層也可以作為熱致發聲元件。所述第一致熱裝置804包括一第一電極104a及一第二電極 104b。所述第一電極104a和第二電極104b分別與該第一熱致發聲元件802a電連接。本實施例中，第一電極104a 和第二電極104b分別設置於第一熱致發聲元件802a的表面，並與該第一熱致發聲元件802a的兩個相對的邊齊平。所述第二致熱裝置806包括一第一電極104a及一第二電極104b。所述第一電極104a和第二電極104b分別與該第二熱致發聲元件802b電連接。本實施例中，第一電極 104a和第二電極104b分別設置於第二熱致發聲元件802b 的表面，並與該第一熱致發聲元件802a的兩個相對的邊齊平。本實施例所提供的熱致發聲裝置80為雙面發聲裝置，通過在兩個不同的表面上設置熱致發聲元件，可以使熱致發聲元件所發出的聲音傳播範圍更大且更清晰。可以通過控制致熱裝置選擇讓任何一個熱致發聲元件發出聲音，或者同時發出聲音，使該熱致發聲裝置的使用範圍更加廣泛。進一步地，當一個熱致發聲元件出現故障時，另一個熱致發聲元件可以繼續工作，提高了該熱致發聲 100112574 表單編號A0101 第27頁/共58頁 1002020943-0 201240485 裝置的使用壽命。 [0062] 請參見圖21，本發明第九實施例提供一種熱致發聲裝置 90。本實施例所提供的熱致發聲裝置90與第八實施例提供的熱致發聲裝置80的結構的區別在於，本實施例所提供的熱致發聲裝置90為一多面發聲裝置。 [0063] 本實施例中，所述基底908為一長方體結構，其包括四個不同的表面，該四個不同的表面為凹凸不平的表面。所述熱致發聲裝置90包括四個熱致發聲元件102，其中一個熱致發聲元件102為一石墨烯膜，另外三個熱致發聲元件 102可以為石墨烯膜，也可以為奈米碳管層。 [0064] 每個致熱裝置104分別包括一個第一電極104a和一個第二電極104b。第一電極104a和第二電極104b分別與一個熱致發聲元件102電連接。 [0065] 本實施例所提供的熱致發聲裝置90可以實現向複數個方向傳播聲音。 [0066] 請參見圖22，本發明第十實施例提供一種熱致發聲裝置 100。該熱致發聲裝置100包括一熱致發聲元件102、一基底208及一致熱裝置1 004。所述熱致發聲元件102設置於所述基底208。本實施例所提供的熱致發聲裝置100與第二實施例提供的熱致發聲裝置20的結構的區別在於，本實施例所提供的熱致發聲裝置100中，致熱裝置1 004為一雷射器，或其他電磁波信號發生裝置。從該致熱裝置 1 004發出的電磁波信號1 020傳遞至該熱致發聲元件102 ，該熱致發聲元件102發聲。 100112574 表單編號A0101 第28頁/共58頁 1002020943-0 201240485 [〇〇67]該致熱裝置1004可正對該熱致發聲元件102設置。當致熱裝置1 004為—雷射器時，當該基底208為透明基板時，該田射器可對應於該基底2〇8遠離該熱致發聲元件1〇2的表面設置’從而使從雷射器發出的雷射穿過基底208傳遞至該熱致發聲元件102。另外，當該致熱裝置1 004發出的係一電磁波信號時，該電磁波信號可透過基底208傳遞至該熱致發聲元件102，此時，該致熱裝置1004也可以對應於該基底208遠離該熱致發聲元件1〇2的表面設置。〇 [0068]本實施例的熱致發聲裝置100中，當熱致發聲元件1〇2受到如雷射等電磁波的照射時，該熱致發聲元件丨〇2因吸收電磁波的能量而受激發，並通過非輻射使吸收的光能全部或部分轉變為熱。該熱致發聲元件1〇2溫度根據電磁波信號1020頻率及強度的變化而變化，並和周圍的空氣或其他氣體或液體介質進行迅速的熱交換，從而使其周圍介質的溫度也產生等頻率的變化，造成周圍介質迅速的膨脹和收縮，從而發出聲音。〇 [_]由於該熱致發聲裝置的工作原理為將一定形式的能量以極快的速度轉換為熱量，並和周圍氣體或液體介質進行快速的熱交換，從而使該介質膨脹及收縮，從而發出聲音。可以理解，所述能量形式不局限於電能或光能，該致熱裝置也不局限於上述實施例中的電極或電磁波信號發生器’任何可以使該熱致發聲元件發熱，並按照音頻變化加熱周圍介質的裝置均可看作一致熱裝置，旅在本發明保護範圍内。 [0070] 本發明中的石墨烯膜具有較好的韌性和機械強度，所以 100112574 表單編號A0101 第29頁/共_58頁 1002020943-0 201240485 石墨烯膜可方便地製成各種形狀和尺寸的熱致發聲裝置。本發明的熱致發聲裝置不僅單獨可以作為揚聲器使用，也可方便地應用於各種需要發聲裝置的電子裝置中。該熱致發聲裝置可以内置於電子裝置殼體中或者殼體外表面，作為電子裝置的發聲單元。該熱致發聲裝置可以取代電子裝置的傳統的發聲單元，也可以與傳統發聲單元組合使用。該熱致發聲裝置可以與電子裝置的其他電子元件公用電源或公用處理器等。也可以通過有線或無線的方式與電子裝置連接，有線的方式比如通過信號傳輸線與電子裝置的USB介面結合，無線的方式比如通過藍牙方式與電子裝置連接。該熱致發聲裝置也可以安裝或集成在電子裝置的顯示幕上，作為電子裝置的發聲單元。該電子裝置可以為音響、手機、MP3、MP4、遊戲機、數碼相機、數碼攝像機、電視或電腦等。例如，當電子裝置為手機時，由於本實施例提供的熱致發聲裝置為一透明的結構，該熱致發聲裝置可以通過機械固定方式或者黏結劑貼合在手機顯示幕的表面。當電子裝置為MP3時，該熱致發聲裝置可以内置於MP3中，與MP3内部的電路板電連接，當MP3通電時，該熱致發聲裝置可以發出聲音〇 [0071] 綜上所述，本發明確已符合發明專利之要件，遂依法提出專利申請。惟，以上所述者僅為本發明之較佳實施例，自不能以此限制本案之申請專利範圍。舉凡熟悉本案技藝之人士援依本發明之精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍内。 100112574 表單編號A0101 第30頁/共58頁 1002020943-0 201240485 【圖式簡單說明】 [0072] 圖1係本發明第一實施例提供的熱致發聲裝置的俯視圖。 [0073] 圖2係沿圖1中II - 11線剖開的剖面圖。 [0074] 圖3係本發明第二實施例提供的熱致發聲裝置的俯視圖。 [0075] 圖4係沿圖3中IV-IV線剖開的剖面圖。 [0076] 圖5係本發明第三實施例提供的熱致發聲裝置的俯視圖。 [0077] 〇圖6係第三實施例中一種情況下沿圖5中VI -VI線剖開的剖面圖。 [0078] 圖7為第三實施例中另一種情況下沿圖5中VI-VI線剖開的剖面圖。 [0079] 圖8係本發明第四實施例提供的熱致發聲裝置的俯視圖。 [0080] 圖9係沿圖8中IX-IX線剖開的剖面圖。 [0081] g~-\ 圖10係圖8中熱致發聲裝置所採用的非扭轉的奈米碳管線狀結構的掃描電鏡照片。 [0082] 圖11係圖8中熱致發聲裝置所採用的扭轉的奈米碳管線狀結構的掃描電鏡照片。 [0083] 圖12係本發明第五實施例提供的採用表面塗有絕緣層的奈米碳管層作為基底的熱致發聲裝置的側視剖面圖。 [0084] 圖13係圖12中的奈米碳管層所採用的奈米碳管拉膜的掃描電鏡照片。 [0085] 圖14係圖12中的奈米碳管層所採用的奈米碳管絮化膜的 100112574 掃描電鏡照片。表單編號A0101 第31頁/共58頁 1002020943-0 201240485 [0086] [0087] [0088] [0089] [0090] [0091] [0092] [0093] [0094] [0095] [0096] [0097] [0098] [0099] 100112574 圖15係圖12中的奈米碳管層所採用的奈米碳管碾壓膜的掃描電鏡照片。圖16係本發明第六實施例提供的熱致發聲裝置的俯視圖〇圖17係沿圖16中XVII-XVII線剖開的剖面圖。圖18係本發明第七實施例提供的熱致發聲裝置的俯視圖〇圖19係沿圖18中XIX-XIX線剖開的剖面圖。圖20係本發明第八實施例提供的熱致發聲裝置的側視剖面圖。圖21係本發明第九實施例提供的熱致發聲裝置的側視剖面圖。圖2 2為本發明第十實施例提供的熱致發聲裝置的側視圖〇【主要元件符號說明】熱致發聲裝置：10 ; 20 ; 30 ; 40 ; 50 ; 60 ; 70 ; 80 ; 90 ； 100 熱致發聲元件：102 致熱裝置：104 ; 1004 第一電極：104a 第二電極：104b 基底：208 ; 308 ; 408 ; 508 ; 608 ; 908 表單編號A0101 第32頁/共58頁 1002020943-0 201240485[0061] At least partially suspended. The first thermo-acoustic element 802a is a graphene film. The second thermoacoustic element 802b is a graphene film or a carbon nanotube layer. The structure of the carbon nanotube layer is the same as that of the carbon nanotube layer disclosed in the fifth embodiment. Since the carbon nanotube layer includes at least one layer of carbon nanotube film, the carbon nanotube layer has a small thickness and a small heat capacity per unit area, and therefore, the carbon nanotube layer can also function as a thermoacoustic element. The first heating device 804 includes a first electrode 104a and a second electrode 104b. The first electrode 104a and the second electrode 104b are electrically connected to the first thermo-acoustic element 802a, respectively. In this embodiment, the first electrode 104a and the second electrode 104b are respectively disposed on the surface of the first thermo-acoustic element 802a and are flush with the opposite sides of the first thermo-acoustic element 802a. The second heating device 806 includes a first electrode 104a and a second electrode 104b. The first electrode 104a and the second electrode 104b are electrically connected to the second thermo-acoustic element 802b, respectively. In this embodiment, the first electrode 104a and the second electrode 104b are respectively disposed on the surface of the second thermo-acoustic element 802b and are flush with the opposite sides of the first thermo-acoustic element 802a. The thermo-acoustic device 80 provided in this embodiment is a double-sided sounding device, and by providing a thermo-acoustic element on two different surfaces, the range of sound emitted by the thermo-acoustic element can be made larger and clearer. It is possible to control the heating device to make any of the thermoacoustic elements emit sound, or to simultaneously emit sound, so that the use of the thermoacoustic device is wider. Further, when one of the thermoacoustic elements fails, the other thermo-acoustic element can continue to operate, improving the heat-induced sound. 100112574 Form No. A0101 Page 27 of 58 1002020943-0 201240485 The service life of the device. Referring to FIG. 21, a ninth embodiment of the present invention provides a thermo-acoustic sounding device 90. The thermo-acoustic device 90 of the present embodiment is different from the structure of the thermo-acoustic device 80 of the eighth embodiment in that the thermo-acoustic device 90 provided in this embodiment is a multi-faceted sound-emitting device. [0063] In this embodiment, the substrate 908 is a rectangular parallelepiped structure including four different surfaces, which are rugged surfaces. The thermo-acoustic device 90 includes four thermo-acoustic elements 102, one of which is a graphene film, and the other three of the thermo-acoustic elements 102 may be a graphene film or a carbon nanotube. Floor. [0064] Each of the heating devices 104 includes a first electrode 104a and a second electrode 104b, respectively. The first electrode 104a and the second electrode 104b are electrically connected to a thermo-acoustic element 102, respectively. [0065] The thermo-acoustic device 90 provided in this embodiment can realize the propagation of sound in a plurality of directions. Referring to FIG. 22, a tenth embodiment of the present invention provides a thermo-acoustic device 100. The thermoacoustic device 100 includes a thermo-acoustic component 102, a substrate 208, and a uniform thermal device 1 004. The thermally audible element 102 is disposed on the substrate 208. The difference between the structure of the thermo-acoustic device 100 provided in this embodiment and the thermo-acoustic device 20 provided in the second embodiment is that in the thermo-acoustic device 100 provided in this embodiment, the heating device 1 004 is a mine. A transmitter, or other electromagnetic wave signal generating device. The electromagnetic wave signal 1 020 emitted from the heating device 1 004 is transmitted to the thermo-acoustic element 102, and the thermo-acoustic element 102 sounds. 100112574 Form No. A0101 Page 28 of 58 1002020943-0 201240485 [〇〇67] The heating device 1004 can be placed on the thermoacoustic element 102. When the heating device 1 004 is a laser, when the substrate 208 is a transparent substrate, the field device can be disposed corresponding to the surface of the substrate 2〇8 away from the thermo-acoustic element 1〇2. A laser emitted by the laser is transmitted through the substrate 208 to the thermally audible element 102. In addition, when the electromagnetic device 1 004 emits an electromagnetic wave signal, the electromagnetic wave signal can be transmitted to the thermo-acoustic component 102 through the substrate 208. At this time, the heating device 1004 can also correspond to the substrate 208 away from the The surface of the thermoacoustic element 1〇2 is disposed. [0068] In the thermoacoustic device 100 of the present embodiment, when the thermoacoustic element 1〇2 is irradiated with an electromagnetic wave such as a laser, the thermoacoustic element 丨〇2 is excited by absorbing the energy of the electromagnetic wave. The absorbed light energy is converted into heat in whole or in part by non-radiation. The temperature of the thermoacoustic element 1 〇 2 varies according to the frequency and intensity of the electromagnetic wave signal 1020, and is rapidly exchanged with the surrounding air or other gas or liquid medium, so that the temperature of the surrounding medium also generates an equal frequency. The change causes the surrounding medium to expand and contract rapidly, thereby making a sound. 〇[_] because the thermal sounding device works by converting a certain form of energy into heat at a very fast rate and performing rapid heat exchange with the surrounding gas or liquid medium, thereby expanding and contracting the medium, thereby Make noise. It can be understood that the energy form is not limited to electric energy or light energy, and the heating device is not limited to the electrode or electromagnetic wave signal generator in the above embodiment. Any of the heat-generating elements can be heated and heated according to audio changes. The device of the surrounding medium can be regarded as a consistent heat device, and the travel is within the scope of the present invention. [0070] The graphene film in the present invention has good toughness and mechanical strength, so 100112574 Form No. A0101 Page 29 / Total _58 Page 1002020943-0 201240485 Graphene film can be conveniently made into heat of various shapes and sizes To the sound device. The thermoacoustic device of the present invention can be used not only as a speaker alone, but also conveniently in various electronic devices requiring a sounding device. The thermo-acoustic device can be built in the housing of the electronic device or on the outer surface of the housing as a sounding unit of the electronic device. The thermoacoustic device can replace the conventional sounding unit of the electronic device or can be used in combination with a conventional sounding unit. The thermo-acoustic device can be used in conjunction with other electronic components of the electronic device or a utility processor or the like. The electronic device can also be connected by wire or wirelessly, such as by a signal transmission line and a USB interface of the electronic device, and wirelessly connected to the electronic device, for example, via a Bluetooth device. The thermoacoustic device can also be mounted or integrated on the display screen of the electronic device as a sounding unit of the electronic device. The electronic device can be an audio, a mobile phone, an MP3, an MP4, a game console, a digital camera, a digital video camera, a television or a computer. For example, when the electronic device is a mobile phone, since the thermo-acoustic device provided by the embodiment is a transparent structure, the thermo-acoustic device can be attached to the surface of the display screen of the mobile phone by mechanical fixing or adhesive. When the electronic device is an MP3, the thermo-acoustic device can be built in the MP3 and electrically connected to the circuit board inside the MP3. When the MP3 is powered on, the thermo-acoustic device can emit a sound. [0071] In summary, this It has clearly stated that it has met the requirements of the invention patent and has filed a patent application in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by those skilled in the art to the spirit of the invention are intended to be included within the scope of the following claims. 100112574 Form No. A0101 Page 30 of 58 1002020943-0 201240485 [Simplified Schematic] FIG. 1 is a plan view of a thermo-acoustic device according to a first embodiment of the present invention. 2 is a cross-sectional view taken along line II-11 of FIG. 1. 3 is a top plan view of a thermo-acoustic device according to a second embodiment of the present invention. 4 is a cross-sectional view taken along line IV-IV of FIG. 3. 5 is a top plan view of a thermo-acoustic device according to a third embodiment of the present invention. [ Fig. 6] Fig. 6 is a cross-sectional view taken along line VI - VI of Fig. 5 in a case of the third embodiment. Figure 7 is a cross-sectional view taken along line VI-VI of Figure 5 in another case of the third embodiment. 8 is a top plan view of a thermo-acoustic device according to a fourth embodiment of the present invention. 9 is a cross-sectional view taken along line IX-IX of FIG. 8. g~-\ Fig. 10 is a scanning electron micrograph of the non-twisted nanocarbon line structure used in the thermoacoustic device of Fig. 8. [0082] FIG. 11 is a scanning electron micrograph of a twisted nanocarbon line-like structure employed in the thermoacoustic device of FIG. 12 is a side cross-sectional view showing a thermoacoustic device using a carbon nanotube layer coated with an insulating layer as a substrate according to a fifth embodiment of the present invention. 13 is a scanning electron micrograph of a carbon nanotube film taken by the carbon nanotube layer of FIG. 14 is a 100112574 scanning electron micrograph of a carbon nanotube flocculation film used in the carbon nanotube layer of FIG. Form No. A0101 Page 31 of 58 1002020943-0 201240485 [0086] [0086] [0096] [0096] [0096] [0097] [0097] [0099] FIG. 15 is a scanning electron micrograph of a carbon nanotube rolled film used in the carbon nanotube layer of FIG. Figure 16 is a plan view of a thermoacoustic device according to a sixth embodiment of the present invention. Figure 17 is a cross-sectional view taken along line XVII-XVII of Figure 16. Figure 18 is a plan view of a thermoacoustic device according to a seventh embodiment of the present invention. Figure 19 is a cross-sectional view taken along line XIX-XIX of Figure 18. Figure 20 is a side cross-sectional view showing a thermoacoustic device according to an eighth embodiment of the present invention. Figure 21 is a side cross-sectional view showing a thermoacoustic device according to a ninth embodiment of the present invention. Figure 2 is a side view of a thermoacoustic device according to a tenth embodiment of the present invention. [Main component symbol description] Thermoacoustic device: 10; 20; 30; 40; 50; 60; 70; 80; 90; Thermoacoustic element: 102 Heating device: 104; 1004 First electrode: 104a Second electrode: 104b Substrate: 208; 308; 408; 508; 608; 908 Form number A0101 Page 32 of 58 1002020943-0 201240485

[0100] 孔：208a [0101] 槽：308a [0102] 表面：308b [0103] 第一線狀結構： 408a [0104] 第二線狀結構： 408b [0105] 網孔：408c [0106] 間隙：601 [0107] 第一電極引線： 610 [0108] 第二電極引線： 612 [0109] 間隔元件：714 [0110] 第一熱致發聲元件：802a [0111] 第二熱致發聲元件：802b [0112] 第一致熱裝置： 804 [0113] 第二致熱裝置： 806 [0114] 電磁波信號：1020 100112574 表單編號A0101 第33頁/共58頁 1002020943-0[0100] Hole: 208a [0101] Slot: 308a [0102] Surface: 308b [0103] First line structure: 408a [0104] Second line structure: 408b [0105] Mesh: 408c [0106] Gap: 601 [0107] First electrode lead: 610 [0108] Second electrode lead: 612 [0109] Spacer element: 714 [0110] First thermo-acoustic element: 802a [0111] Second thermo-acoustic element: 802b [0112] ] Coherent thermal device: 804 [0113] Second heating device: 806 [0114] Electromagnetic wave signal: 1020 100112574 Form number A0101 Page 33 of 58 page 1002020943-0

Claims

201240485 七、申請專利範圍： 1 . 一種熱致發聲裝置，其包括：一基底；一熱致發聲元件設置於該基底的表面；一致熱裝置用於向該熱致發聲元件提供能量使該熱致發聲元件產生熱量；其改良在於，所述熱致發聲元件包括一石墨烯膜，所述基底包括一奈米碳管複合結構，該奈米碳管複合結構包括一奈米碳管層及塗覆在該奈米碳管層表面的絕緣材料層。 2. 如申請專利範圍第1項所述之熱致發聲裝置，其中，所述石墨烯膜包括多層石墨烯，該多層石墨烯相互搭接或者相互疊加設置。 3. 如申請專利範圍第1項所述之熱致發聲裝置，其中，所述石墨烯膜為單層石墨烯。 4 .如申請專利範圍第1項所述之熱致發聲裝置，其中，所述石墨烯膜的厚度為0.34奈米至10奈米。 5 .如申請專利範圍第1項所述之熱致發聲裝置，其中，所述奈米碳管層包括一層奈米碳管膜或者多層相互層疊設置的奈米碳管膜。 6.如申請專利範圍第5項所述之熱致發聲裝置，其中，所述奈米碳管膜包括複數個奈米碳管首尾相連且沿同一方向擇優取向延伸。 7 .如申請專利範圍第5項所述之熱致發聲裝置，其中，所述奈米碳管膜包括複數個奈米碳管通過凡得瓦力相互纏繞且均勻分佈。 100112574 表單編號A0101 第34頁/共58頁 1002020943-0 201240485 8. 如申請專利範圍第1項所述之熱致發聲農置，其中，所述奈米石反官複合結構具有複數個微孔，所述石墨歸膜在對應微孔的位置懸空設置。 9. 如申請專利範圍第w所述之熱致發聲裝置，其中，所述絕緣材料層包覆在奈米碳管層中的奈米碳管的表面。 1〇 .如申凊專利範圍第1項所述之熱致發聲裝置，其中，所述石奚稀膜通過所述絕緣材料層與所述奈米碳管層絕緣設置〇 ^ 11 .如申請專利範圍第1項所述之熱致發聲裝置，其中，所述 ^熱裝置包括-第-電極和__第三電極分別與該熱致發聲元件電連接。 12 .如申請專利範圍第丨項所述之熱致發聲裝置，其中，所述致熱裝置為一電磁波信號發生裝置。 13 .如申請專利範圍第12項所述之熱致發聲裝置，其中，所述致熱裝置為一雷射器。 14 . 一種電子裝置，其中，該電子裝置的發聲裝置包括如申請 ^ 專利範圍第1項至13項中任一項所述之熱致發聲裝置。 15.如申請專利範圍第14項所述之電子裝置，其中，所述熱致發聲裝置内置於該電子裝置中或者直接設置於該電子裝置的外殼。 16 .如申請專利範圍第14項所述之電子裝置，其中，所述熱致發聲裝置通過USB介面與該電子裝置連接或者通過藍牙與該電子裝置無線連接》 17 .如申請專利範圍第14項所述之電子裝置，其中，所述電子裝置包括音響、手機、MP3、MP4、遊戲機、數碼相機、數碼攝像機、電視或電腦。 100112574 表單編號 A0101 第 35 頁/共 58 頁 1002020943-0 201240485 18 .如申請專利範圍第1 4項所述之電子裝置，其中，該電子裝置進一步包括一顯示幕，所述熱致發聲裝置設置於該顯示幕的表面。 1002020943-0 100112574 表單編號A0101 第36頁/共58頁201240485 VII. Patent application scope: 1. A thermo-acoustic device comprising: a substrate; a thermo-acoustic element disposed on a surface of the substrate; a heat-consisting device for supplying energy to the thermo-acoustic element to cause the heat-induced The sound generating element generates heat; the improvement is that the thermo-acoustic element comprises a graphene film, the substrate comprises a carbon nanotube composite structure, and the carbon nanotube composite structure comprises a carbon nanotube layer and coating A layer of insulating material on the surface of the carbon nanotube layer. 2. The thermoacoustic device according to claim 1, wherein the graphene film comprises a plurality of layers of graphene which are overlapped or overlapped with each other. 3. The thermoacoustic device according to claim 1, wherein the graphene film is a single layer of graphene. 4. The thermoacoustic device according to claim 1, wherein the graphene film has a thickness of from 0.34 nm to 10 nm. 5. The thermoacoustic device according to claim 1, wherein the carbon nanotube layer comprises a layer of carbon nanotube film or a plurality of layers of carbon nanotube film laminated on each other. 6. The thermoacoustic device according to claim 5, wherein the carbon nanotube film comprises a plurality of carbon nanotubes connected end to end and extending in a preferred orientation in the same direction. 7. The thermoacoustic device according to claim 5, wherein the carbon nanotube film comprises a plurality of carbon nanotubes intertwined and evenly distributed by van der Waals force. </ RTI> <RTIgt; The graphite film is suspended in a position corresponding to the micropores. 9. The thermoacoustic device according to claim w, wherein the insulating material layer is coated on a surface of a carbon nanotube in the carbon nanotube layer. The thermoacoustic device according to claim 1, wherein the stone dilute film is insulated from the carbon nanotube layer by the insulating material layer. The thermoacoustic device of claim 1, wherein the heating device comprises a -first electrode and a third electrode electrically connected to the thermo-acoustic element, respectively. 12. The thermoacoustic device according to claim 2, wherein the heating device is an electromagnetic wave signal generating device. 13. The thermoacoustic device of claim 12, wherein the heating device is a laser. An electronic device, wherein the sound-emitting device of the electronic device comprises the thermo-acoustic device according to any one of claims 1 to 13. The electronic device of claim 14, wherein the thermo-acoustic device is built in the electronic device or directly disposed on an outer casing of the electronic device. The electronic device of claim 14, wherein the thermo-acoustic device is connected to the electronic device via a USB interface or wirelessly connected to the electronic device via Bluetooth. 17 as claimed in claim 14 The electronic device, wherein the electronic device comprises an audio, a mobile phone, an MP3, an MP4, a game machine, a digital camera, a digital video camera, a television or a computer. The electronic device of claim 14, wherein the electronic device further includes a display screen, and the thermal sound generating device is disposed on the electronic device. The surface of the display. 1002020943-0 100112574 Form No. A0101 Page 36 of 58