591972 五、發明說明(1) 【技術領域】 本發明係有關一種無機電激發光(E L )裝置防擊穿 結構,尤指一種於正面電極層與發光層間疊設有一财電壓 層,而可增強其耐電壓性並防止發光層被擊穿之結構。 【先前之技術】 如第2圖所示,為習用之一種無機電激發光(E L ) 裝置之結構,其係於一透明基材8 1上依序疊設有一正面 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及一絕緣封裝層8 6所組成。藉由對正面電極層8 2與背面電極層8 5間以交流電驅動,驅使該發光層8 3 中之多數發光粒子8 3 1激發振動而發光,使光線由該透 明基材8 1向外透出。 然而發光層8 3會因為下列各種結構或材料因素: 1 ·材料耐電性不足。 2 ·製作時產生氣泡。 3 ·溶劑中有異物或雜質而污染發光層8 3 。 4 ·發光材料之純度不足。 5 ·材料厚度不均或有孔洞發生。 而造成無機電激發光裝置在動態測試下發生瞬間漏電 流,而將發光層8 3擊穿、燒破,而產生生產良率降低, 造成製造成本增加等問題,故而,現有之無機電激發光裝 置實有加以改進之必要。 【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591972 V. Description of the Invention (1) [Technical Field] The present invention relates to an anti-breakdown structure of an inorganic electro-luminescence (EL) device, particularly a layer of a voltage layer stacked between a front electrode layer and a light-emitting layer, which can enhance Its structure withstands voltage and prevents breakdown of the light emitting layer. [Previous technology] As shown in FIG. 2, it is a conventional inorganic electroluminescent (EL) device structure, which is sequentially stacked on a transparent substrate 8 1 with a front electrode layer 8 2 and a light emitting device. The layer 8 3, an electromotive layer 8 4, a back electrode layer 85 and an insulating encapsulation layer 86 are formed. The AC electrode is driven between the front electrode layer 8 2 and the back electrode layer 85 to drive most of the light-emitting particles 8 3 1 in the light-emitting layer 8 3 to vibrate and emit light, so that light is transmitted outward from the transparent substrate 8 1. Out. However, the light emitting layer 8 3 may be caused by the following various structural or material factors: 1. The material has insufficient electrical resistance. 2 · Bubbles are generated during production. 3 · Foreign matter or impurities in the solvent contaminates the light emitting layer 8 3. 4 · The purity of the luminescent material is insufficient. 5 · Material thickness unevenness or holes occur. As a result, an instantaneous leakage current occurs in the inorganic electro-excitation light device under dynamic testing, and the light-emitting layer 83 is broken down and burned out, which causes problems such as a reduction in production yield and an increase in manufacturing costs. Therefore, the existing inorganic electro-excitation light The device really needs to be improved. SUMMARY OF THE INVENTION The main purpose of the present invention is to provide a solution to the above problems.
591972 五、發明說明 無機電激 層與該發 系且成之而十 ,以達到 為達 防擊穿結 有一正面 並於該發 之封裝層 層,而該 ⑵ 發光( 光層之 電壓層 防止發 前述目 構,其 電極層 光層、 ,且該 耐電壓 E L )裝置防擊 間豐設有由一種 ’而可增 光層被擊 的’本發 具有一透 、一發光 誘電層及 正面電極 層係、由一 強無機 穿之功 明之無 明基材 層、一 導電電 層與該 種以上 穿結構,由於 以上之耐電壓 電激發光裝置 效。 機電激發光( ’該透明基材 誘電層、一背 極層之外緣包 發光層之間疊 之耐電壓材料 該正面電極 材料所混合 之耐電壓性 E L )裝置 上依序疊設 面電極層, 覆有一絕緣 設一耐電壓 所混合組成 ^本發明之上述及其他目的與優點,不難從下述所選用 貫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, 說明,並於附圖中展示其構造。 ° 【實施方式】 請參閱第1圖’圖中所示者為本發明所選用之實施例 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(E L )裝置防擊穿結構, 其具有一透明基材1 1 ,該透明基材X i上依序疊設有一 ^面電極層12 、一發光層13 、一誘電層14 、一背面 %桎層15 ,並於該發光層13、誘電層14及導電電極 591972 五、發明說明(3) 層1 5之外緣包覆有一絕緣之封裝層1 6 ,且該正面電極 層1 2與該發光層1 3之間疊設一耐電壓層1 7。 本發明之财電壓層1 7係由聚酸胺樹脂、聚酯樹脂、 聚醚樹脂、環氧樹脂、含鹵素樹脂、橡膠、含矽樹脂、壓 克力樹脂、氰基樹脂、纖維樹脂等一種以上之混合溶液佔 總重量5 %〜5 0 %的重量百分比與膠材混合製成。 由於該正面電極層1 2與該發光層1 3之間疊設有耐 電壓層17 ,因此,當對正面電極層12與背面電極層1 5間以交流電驅動,來驅使該發光層1 3中之多數發光粒 子1 3 1發光時,即使發光層1 3產生結構不實或各種材 料問題,仍可由耐電壓層1 7產生足夠的耐電性,以避免 產生瞬間漏電流,而可防止發光層1 3被擊穿、燒破。 綜上所述,本發明突破原有無機電激發光裝置結構之 窠臼,藉由於該正面電極層1 2與該發光層1 3之間疊設 耐電壓層1 7 ,而可增強無機電激發光裝置之耐電壓性, 以達到防止發光層1 3被擊穿之功效。 當然,本發明之对電壓層1 7的材料除了前述之組成 外,亦可以金屬氧化物、金屬氮化物、金屬氮氧化物及金 屬氫氧化物等一種以上之粉體,佔總重量0 · 1 %〜5 0 %以上之百分比與膠材所混合組成,而可達到相同的耐電 壓性與防止發光層1 3被擊穿之功效。 再者,本發明之对電壓層1 7的材料亦可以壞氧樹脂 、PU、壓克力、龄酸樹脂、環氧壓克力、尿素甲_等, 其中任一種材料單獨製成,而可達到相同的耐電壓性與防591972 V. Description of the invention The inorganic electro-excitation layer and the hair system are combined to achieve an anti-breakdown junction with a front side encapsulation layer on the hair, and the tritium emits light (the voltage layer of the light layer prevents the hair In the aforementioned structure, the electrode layer has a light layer, and the withstand voltage EL) device is provided with an anti-strike layer. The hair has a transparent, a light-emitting electrical layer and a front electrode layer system. The ignorance base material layer, a conductive layer and a conductive layer with a strong inorganic penetrating function, and the above-mentioned penetrating structure are effective because of the above-mentioned voltage-resistant electric excitation light device. Electromechanical excitation light ('the transparent substrate electromotive layer, a back-electrode layer with a voltage-resistant material stacked on the outer edge of the light-emitting layer, and a voltage-resistant EL mixed with the front electrode material) a surface electrode layer is sequentially stacked on the device It is covered with a mixed composition of insulation and a withstand voltage. The above and other objects and advantages of the present invention are not difficult to obtain in-depth understanding from the detailed description and accompanying drawings of selected embodiments below. Of course, the present invention allows some differences in the arrangement or arrangement of other parts, but the selected embodiment is described in this specification and its structure is shown in the drawings. ° [Embodiment] Please refer to FIG. 1 for the structure of the embodiment selected for the present invention. This is for illustrative purposes only, and is not limited by this structure in patent applications. The anti-breakdown structure of the inorganic electro-excitation light (EL) device of this embodiment has a transparent substrate 11, and a transparent electrode layer 12, a light-emitting layer 13, and Induction layer 14 and a backside layer 桎 layer 15, and the light emitting layer 13, the induction layer 14 and the conductive electrode 591972 V. Description of the invention (3) The outer edge of the layer 15 is covered with an insulating encapsulation layer 16, and the A voltage-resistant layer 17 is stacked between the front electrode layer 12 and the light-emitting layer 13. The financial voltage layer 17 of the present invention is made of a polyimide resin, a polyester resin, a polyether resin, an epoxy resin, a halogen-containing resin, a rubber, a silicon-containing resin, an acrylic resin, a cyano resin, or a fiber resin. The above mixed solution accounts for 5% to 50% by weight of the total weight and is mixed with the glue material. Since the withstand voltage layer 17 is stacked between the front electrode layer 12 and the light emitting layer 13, when the front electrode layer 12 and the back electrode layer 15 are driven by an alternating current to drive the light emitting layer 13 When most of the light-emitting particles 1 3 1 emit light, even if the light-emitting layer 13 has a structural failure or various material problems, sufficient voltage resistance can be generated by the voltage-resistant layer 17 to avoid instantaneous leakage current and prevent the light-emitting layer 1 3 was punctured and burned. In summary, the present invention breaks through the structure of the original inorganic electro-optical light-emitting device structure, and the inorganic electro-optical light-emitting device can be enhanced by stacking a voltage-resistant layer 17 between the front electrode layer 12 and the light-emitting layer 13 Voltage resistance to achieve the effect of preventing the light-emitting layer 13 from being punctured. Of course, in addition to the foregoing composition, the material of the voltage layer 17 of the present invention may also be one or more powders such as metal oxides, metal nitrides, metal oxynitrides, and metal hydroxides, accounting for a total weight of 0 · 1 % ~ 50% or more is mixed with the glue material to achieve the same voltage resistance and prevent the light-emitting layer 13 from being punctured. In addition, the material for the voltage layer 17 of the present invention can also be made of bad oxygen resin, PU, acrylic, aging acid resin, epoxy acrylic, urea methyl, etc., any one of them can be made separately, but Achieve the same voltage resistance and protection
591972 五、發明說明(4) 止發光層1 3被擊穿之功效。 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瞭本發明的 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。591972 V. Description of the invention (4) The effect of the anti-light-emitting layer 1 3 being punctured. 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7頁 591972 圖式簡單說明 第1圖係本發明之無機電激發光裝置防擊穿結構之示意圖 第2圖係習用之無機電激發光裝置結構之示意圖 【圖號說明】 (習用部分) 正面電極層8 2 發光粒子8 3 1 背面電極層8 5 透明基材8 1 發光層8 3 誘電層8 4 絕緣封裝層8 6 (本發明部分) 透明基材11 正面電極層12 發光層1 3 發光粒子1 3 1 ♦ 誘電層14 背面電極層15 封裝層1 6 耐電壓層1 7Page 7 591972 Brief description of the diagram. Figure 1 is a schematic diagram of the breakdown structure of the inorganic electroluminescent device of the present invention. Figure 2 is a schematic diagram of the structure of a conventional inorganic electroluminescent device. [Illustration of the drawing number] (conventional part) Front Electrode layer 8 2 Light-emitting particles 8 3 1 Back electrode layer 8 5 Transparent substrate 8 1 Light-emitting layer 8 3 Induction layer 8 4 Insulating encapsulation layer 8 6 (Part of the present invention) Transparent substrate 11 Front electrode layer 12 Light-emitting layer 1 3 Light-emitting Particles 1 3 1 ♦ Induction layer 14 Back electrode layer 15 Encapsulation layer 1 6 Voltage withstand layer 1 7
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