595247 五、發明說明（1) 【發明所屬之技術領域】 本發明係有關一種無機電激發光元件（E L )減震消 音結構（三），尤指一種可以減少甚至消除因交流電場所 產生電磁干擾造成元件震動雜音的減震消音結構。 【先前技術】 按，一般無機電激發光元件（以下簡稱E L元件）， 該E L元件本身係呈薄片狀，在市場應用上以作為背光元 件為主，通常皆被製作成P D A、手機· ··等為背光領 域使用；請參閱第5圖所示，係為習用之E L元件結構， 該E L元件係依續以一透明基材層8 1 、一正面電極層8 2 、一發光層8 3 、一誘電層8 4 、一背面電極層8 5及 一絕緣層8 6疊置組成。其係藉由驅動電路通以該正面電 極層8 2及背面電極層8 5 —交流電壓，使該發光層8 3 產生發光之效果。 由於該E L元件係以交流電壓來驅動發光層8 3發光 ，而當交流電場作用在誘電層8 4時，會因為電磁干擾效 應（簡稱Ε Μ I效應），使得電荷在誘電層8 4上累積並 產生表面儲能作用，而表面儲能作用會使誘電層8 4上的 電荷分佈不均，進而產生壓電效應，於誘電層8 4上所產 生的壓電效應便會造成E L元件的震動並產生雜音，進而 影響E L元件的使用品質，嚴重時甚至會干擾L C D模組 的驅動顯示。 為解決上述習用E L元件，因交流電場作用產生震動 及雜音問題，一般業界係採用護背方式增加E L元件本體595247 V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to an inorganic electro-excitation light element (EL) vibration damping structure (3), especially one that can reduce or even eliminate electromagnetic interference caused by alternating current places Vibration damping structure of component vibration noise. [Previous technology] According to the general inorganic electro-optical light-emitting element (hereinafter referred to as EL element), the EL element itself is a thin sheet, which is mainly used as a backlight element in market applications. It is usually made into a PDA or a mobile phone. It is used in the field of backlight; please refer to FIG. 5, which is a conventional EL element structure. The EL element is sequentially formed by a transparent substrate layer 8 1, a front electrode layer 8 2, and a light emitting layer 8 3. An electrical induction layer 8 4, a back electrode layer 85 and an insulating layer 86 are stacked. It is through the driving circuit that the front electrode layer 8 2 and the back electrode layer 85-AC voltage are applied to make the light emitting layer 8 3 emit light. Since the EL element drives the light-emitting layer 8 3 to emit light with an AC voltage, and when an AC electric field acts on the induction layer 84, an electric charge is accumulated on the induction layer 84 due to an electromagnetic interference effect (referred to as the EMI effect). And the surface energy storage effect, and the surface energy storage effect will make the charge distribution on the electromotive layer 8 4 uneven, and then generate a piezoelectric effect, the piezoelectric effect generated on the electromotive layer 84 will cause the EL element to vibrate It also produces noise, which affects the quality of the EL element. In severe cases, it can even interfere with the driving display of the LCD module. In order to solve the above-mentioned conventional EL device, the vibration and noise caused by the AC electric field are generated.
第6頁 595247 五、發明說明（2) 的厚度以減少震動與雜音，或將E L元件緊貼在電路板上 來減少震動與雜音的發生。 但是使用在手機等小體積之電子產品上的E L元件， 其在機構設計上會有厚度規格的限制，因此護背方式會有 超過厚度規格的問題。而將E L元件緊貼在電路板上，雖 可減少6 0 %以上的雜音發生，但卻會造成模組組裝作業 的困難，並增加緊貼黏合成本的額外支出，是故，有加以 改善之必要。 【發明内容】 本發明之主要目的，在於解決上述的問題而提供一種 以傳導層將誘電層上累積的電荷傳導至接地位置，以減少 甚至消除因交流電場所產生之震動及雜音的無機電激發光 元件（E L )減震消音結構（三）。 為達前述之目的，本發明之無機電激發光元件（E L )減震消音結構（三），其係於一透明基板上依序疊設有 一正面電極層、一發光層及一用以封裝該無機電激發光元 件之絕緣層，該發光層上疊設有一誘電層與至少一傳導層 ，該誘電層上叠設有一背面電極層，而該傳導層係疊設在 該發光層不影響發光區域之發光的位置，且該傳導層並同 時疊設在該發光層與誘電層間之至少一侧邊，並與該背面 電極層相通聯，而該正面電極層與該背面電極層係與一驅 動電路連接，並且該背面電極層係連接至該驅動電路之接 地極，俾由該傳導層疏導累積於該誘電層上之電荷。 本發明之上述及其他目的與優點，不難從下述所選用Page 6 595247 5. The thickness of the invention (2) to reduce vibration and noise, or attach the EL component to the circuit board to reduce the occurrence of vibration and noise. However, the EL components used in small-sized electronic products such as mobile phones have restrictions on the thickness specification in terms of mechanism design, so the back protection method may have problems exceeding the thickness specifications. Adhering the EL element to the circuit board can reduce the occurrence of noise by more than 60%, but it will cause difficulties in the assembly of the module and increase the extra expenditure of adherence to the adhesive. Therefore, it has been improved. necessary. [Summary of the Invention] The main object of the present invention is to solve the above-mentioned problems and provide an inorganic electro-excitation light that uses a conductive layer to conduct the electric charge accumulated on the induction layer to a ground position to reduce or even eliminate vibration and noise generated by an alternating current field. Element (EL) vibration damping structure (3). In order to achieve the foregoing object, the inorganic electro-optical light-emitting element (EL) of the present invention has a shock-absorbing and noise-absorbing structure (3), which is sequentially stacked on a transparent substrate with a front electrode layer, a light-emitting layer, and a package for encapsulating the same. Insulation layer without electromechanical excitation light element. The light-emitting layer is superposed with an electromotive layer and at least one conductive layer. The electro-active layer is superposed with a back electrode layer. The conductive layer is superposed on the light-emitting layer without affecting the light-emitting area The light emitting position, and the conductive layer is simultaneously stacked on at least one side between the light emitting layer and the induction layer, and is in communication with the back electrode layer, and the front electrode layer and the back electrode layer are connected with a driving circuit And the back electrode layer is connected to the ground electrode of the driving circuit, and the charge accumulated on the induction layer is conducted by the conductive layer. The above and other objects and advantages of the present invention can be easily selected from the following.
第7頁 595247 五、發明說明（3) 實施例之詳細說明與附圖中，獲得深入了解。 當然，本發明在某些另件上，或另件之安排上容許有 所不同，但所選用之實施例，則於本說明書中，予以詳細 說明，並於附圖中展示其構造。 【實施方式】 請參閱第1圖及第2圖，圖中所示者為本發明所選用 之第一實施例結構，此僅供說明之用，在專利申請上並不 受此種結構之限制。 本實施例之無機電激發光元件（E L )減震消音結構 (三），其係於一透明基板1 1上依序疊設一透明之正面 電極層1 2 (本實施例以I T〇導電層為例）、一由多數 發光粒子1 3 1組成之發光層1 3 、一誘電層1 4、一背 面電極層1 5以及一用以封裝E L元件之絕緣層1 6 ，該 正面電極層1 2與該背面電極層1 5分別向外延伸有一導 電端子1 2 1 、1 5 1以供與一驅動電路2相連接，而於 該發光層1 3上以不影響發光區域之發光的位置疊設有一 傳導層1 7 ，該傳導層1 7與該正面電極層1 2不接觸， 且該傳導層1 7係同時疊設在該發光層1 3與誘電層1 4 間之周圍，並與該背面電極層1 5相通聯，以導通該誘電 層1 4與該背面電極層1 5 ，且該背面電極層1 5係連接 至該驅動電路2之接地極，俾由該傳導層1 7疏導累積於 該誘電層1 4上之電荷。 本實施例係以設置一個傳導層1 7為例說明，該傳導 層1 7係疊設於該發光層1 3上誘電層1 4之一側邊，而Page 7 595247 V. Description of the invention (3) The detailed description of the embodiment and the attached drawings have gained in-depth understanding. Of course, the present invention allows some differences in the arrangement or arrangement of other parts, but the selected embodiment is described in detail in this specification and its structure is shown in the drawings. [Embodiment] Please refer to FIG. 1 and FIG. 2. The figure shows the structure of the first embodiment selected by the present invention. This is for illustration only, and is not limited by this structure in patent applications. . In this embodiment, the inorganic electro-optical light-emitting element (EL) has a shock-absorbing and noise-absorbing structure (3), which is a transparent front electrode layer 12 sequentially stacked on a transparent substrate 11 (this embodiment uses IT0 conductive layer). For example), a light-emitting layer 1 3 composed of a plurality of light-emitting particles 1 3 1, an electromotive layer 14, a back electrode layer 15, and an insulating layer 16 for encapsulating an EL element, the front electrode layer 1 2 A conductive terminal 1 2 1, 1 51 is respectively extended outward from the back electrode layer 15 to be connected to a driving circuit 2, and the light emitting layer 13 is stacked on the light emitting layer 13 at a position that does not affect the light emission of the light emitting area. There is a conductive layer 17, which is not in contact with the front electrode layer 12, and the conductive layer 17 is stacked at the same time between the light-emitting layer 13 and the electromotive layer 14 and the back surface. The electrode layer 15 is connected to conduct the electromotive layer 14 and the back electrode layer 15, and the back electrode layer 15 is connected to the ground electrode of the driving circuit 2. The charge on the electromotive layer 14. This embodiment is described by using a conductive layer 17 as an example. The conductive layer 17 is stacked on one side of the electroluminescent layer 14 on the light-emitting layer 13.
第8頁 595247 五、發明說明（4) 不會影響該發光層1 3發光區域之發光，並同時疊設在該 誘電層1 4與該背面電極層1 5間之同侧邊，而與該背面 電極層1 5相接觸導通，該傳導層1 7係可由包括銀膠、 碳膠與金屬等導電高分子之導電性材料所製成。 由於E L元件可視為一電容薄片，因此，當驅動電路 對該正面電極層1 2與背面電極層1 5間通以交流電壓驅 動該發光層1 3發光時，該誘電層1 4會因為電磁干擾效 應（即Ε Μ I效應），使得電荷在誘電層1 4上累積並產 生表面儲能作用，而表面儲能作用會使誘電層1 4上的電 荷分佈不均，進而產生壓電效應，於誘電層1 4上所產生 的壓電效應便會造成E L元件的震動並產生雜音。 由於本發明之傳導層1 7係可由包括銀膠、碳膠與金 屬等導電高分子導電性材料所製成，而具有導引電荷之功 能，且與該傳導層1 7導通之背面電極1 5係與該驅動電 路2之接地極連接，故而，累積於該誘電層1 4上之電荷 能被快速地導引至接地極，而減弱前述因電荷分佈不均所 導致之壓電效應，以減少甚至消除震動與雜音。 依據本發明人實測之數據顯示，習用不具有傳導層之 E L元件其Ε Μ I值為1. 2 3 V，人的聽覺可聽到所發生之 雜音。而本發明之E L元件，其Ε Μ I值係為0. 9 9 V，與 習用E L元件相較，本發明之E L元件的Ε Μ I值減少了 約2 0 % ，人類的聽覺已聽不到本發明之E L元件所發生 之雜音，其消除雜音的效果十分顯著。 綜上所述，本發明藉由傳導層將累積於誘電層之電荷Page 8 595247 V. Description of the invention (4) It will not affect the light emission of the light-emitting area 13 of the light-emitting layer, and will be superimposed on the same side between the induction layer 14 and the back electrode layer 15 at the same time. The back electrode layer 15 is in contact with each other, and the conductive layer 17 is made of a conductive material including a conductive polymer such as silver paste, carbon paste, and metal. Since the EL element can be regarded as a capacitor sheet, when the driving circuit drives the light-emitting layer 13 to emit light through the AC voltage between the front electrode layer 12 and the back-electrode layer 15, the electromotive layer 14 will be caused by electromagnetic interference. Effect (ie, the EMI effect), which causes charges to accumulate on the induction layer 14 and produce a surface energy storage effect, while the surface energy storage effect makes the charge distribution on the induction layer 14 uneven, which in turn produces a piezoelectric effect. The piezoelectric effect generated on the electromotive layer 14 will cause the EL element to vibrate and generate noise. Since the conductive layer 17 of the present invention can be made of a conductive polymer conductive material including silver glue, carbon glue, and metal, and has a function of guiding electric charge, and is conductive with the conductive layer 17, the back electrode 1 5 It is connected to the ground electrode of the driving circuit 2. Therefore, the charge accumulated on the induction layer 14 can be quickly guided to the ground electrode, and the aforementioned piezoelectric effect caused by uneven charge distribution is reduced, so as to reduce Even eliminate vibration and noise. According to data measured by the present inventors, the conventional EL device without a conductive layer has an EM I value of 1.2 V, and human noise can be heard by hearing. The EL element of the present invention has an E M I value of 0.99 V. Compared with the conventional EL element, the E EL value of the EL element of the present invention is reduced by about 20%, and human hearing can no longer be heard. The noise generated by the EL element of the present invention has a significant effect of eliminating noise. In summary, the present invention will use the conductive layer to accumulate the electric charge accumulated in the induction layer.
第9頁 595247 五、發明說明（5) 快速導通至接地極，而能達到減少甚至消除震動與雜音之 功效。 當然，本發明仍存在許多例子，其間僅細節上之變化 。請參閱第3圖與第4圖，其中所欲表現的是傳導層之設 置位置，除了如第一實施例中設於發光層1 3與誘電層1 4間之一侧邊外，亦可如第3圖中所示之第二實施例者， 其係將傳導層3 7延伸至接觸該發光層1 3與誘電層1 4 間的兩個相鄰側邊；或者，如第4圖所示之第三實施例者 ，該傳導層4 7包覆並接觸該發光層1 3與誘電層1 4間 之三個侧邊，這些不同的傳導層設置方式都能達到與前述 第一實施例相同之功效。 以上所述實施例之揭示係用以說明本發明，並非用以 限制本發明，故舉凡數值之變更或等效元件之置換仍應隸 屬本發明之範疇。 由以上詳細說明，可使熟知本項技藝者明暸本發明的 確可達成前述目的，實已符合專利法之規定，爰提出專利 申請。Page 9 595247 5. Description of the invention (5) Quickly conduct to the ground electrode, and can achieve the effect of reducing or even eliminating vibration and noise. Of course, there are still many examples of the present invention, in which only the details have changed. Please refer to FIG. 3 and FIG. 4, where the position of the conductive layer is desired to be expressed, in addition to being located on one of the sides between the light emitting layer 13 and the electromotive layer 14 as in the first embodiment, it can also be as follows The second embodiment shown in FIG. 3 extends the conductive layer 37 to contact two adjacent sides between the light-emitting layer 13 and the induction layer 14; or, as shown in FIG. In the third embodiment, the conductive layer 47 covers and contacts the three sides between the light-emitting layer 13 and the induction layer 14. These different conductive layers can be arranged in the same manner as in the first embodiment. Effect. The disclosure of the embodiments described above is used to illustrate the present invention, and is not intended to limit the present invention. Therefore, any change in the value or replacement of equivalent components should still belong to the scope of the present invention. From the above detailed description, those skilled in the art can understand that the present invention can indeed achieve the aforementioned purpose, and it has indeed complied with the provisions of the Patent Law, and filed a patent application.
第10頁 595247 圖式簡單說明 第1圖係本發明E L元件的剖視結構示意圖 第2圖係本發明E L元件俯視狀態的平面結構示意圖 第3圖係本發明第二實施例之結構示圖 第4圖係本發明第三實施例之結構示圖 第5圖係習用E L元件結構之示意圖 【圖號說明】 (習用部分） 透明基材層8 1 發光層8 3 誘電層8 4 絕緣層8 6 (本發明部分 透明基板1 1 導電端子1 2 1 、 發光粒子1 3 1 背面電極層1 5 傳導層1 7 、3 7 正面電極層8 發光粒子8 3 背面電極層8 1 4 7 正面電極層 發光層1 3 誘電層1 4 絕緣層1 6 驅動電路2 2 ❿Page 595247 Brief Description of the Drawings Figure 1 is a schematic cross-sectional structure of an EL element of the present invention. Figure 2 is a schematic plan view of the EL element of the present invention in a plan view. Figure 3 is a structural diagram of a second embodiment of the present invention. Fig. 4 is a structural diagram of a third embodiment of the present invention. Fig. 5 is a schematic diagram of a conventional EL element structure. [Illustration of drawing number] (conventional part) Transparent substrate layer 8 1 Light emitting layer 8 3 Inductive layer 8 4 Insulating layer 8 6 (Part of the transparent substrate of the present invention 1 1 conductive terminals 1 2 1, light emitting particles 1 3 1 back electrode layer 1 5 conductive layers 1 7, 3 7 front electrode layer 8 light emitting particles 8 3 back electrode layer 8 1 4 7 front electrode layer emitting Layer 1 3 Induction layer 1 4 Insulation layer 1 6 Drive circuit 2 2 ❿
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