201216762 六、發明說明： 【發明所屬之技術領城】 本發明係有關於，種有機發光二極體裝置封裝处構 特別是關於-種具料吸收㉙中的水份來進行解熟化 反應之吸水層的有機發光二極體裝置封裝結構。..... 【先前技術】 有機發光二極體裝置以其自發光、廣視角'省電、梦 程容易、高應答速度及全彩化等優點，使有機發光二極體 裝置具有極大的潛力，可望成為下—代的平面顯示器 面照射光源。 請參照第-圖，其係為-種傳統有機發光二極體裝置 之封裝結構的剖面圖。進行此傳統封裝技術時，首先提供 -封裝透鳴板’其中該翻基板⑽—般可為玻璃基 板’且該透明基板100之表面通常設有預定之連接電路(未 繪示）。接S ’將至少-有機發光元件104設置在該透明基 板表面102上，並利用例如覆晶（Flip—chip)或導線接ς (wire bonding)方式電性連接該有機發光元件1〇4與該透明 基板100表面102上之預定連接電路。同時，提供一蓋板 觸’其中該蓋板1〇6上之表面1〇8上設有一凹陷部⑽，以 供乾燥劑112設置於其中。最後，利用框膠m將該蓋板ι〇6 表面108邊緣的突出區域黏合在透明基板100的表面102上， 以使該蓋板106封合在有機發光元件1〇4上。 在上述之有機發光二極體裝置中，作為該有機發光元 件的陰極電極容易與水氣及氧氣發生反應，因而導致有機 201216762201216762 VI. Description of the Invention: [Technology Leading City of the Invention] The present invention relates to a water-repellent reaction of a kind of organic light-emitting diode device, particularly for the absorption of moisture in 29 materials. Layer of organic light emitting diode device package structure. ..... [Prior Art] The organic light-emitting diode device has great advantages in its self-luminous, wide viewing angle, power saving, easy dream, high response speed and full color. Potential, it is expected to become the next-generation flat panel display surface illumination source. Please refer to the first figure, which is a cross-sectional view of a package structure of a conventional organic light emitting diode device. In carrying out this conventional packaging technique, a packaged sound-permeable panel is first provided, wherein the flip substrate (10) is generally a glass substrate, and the surface of the transparent substrate 100 is usually provided with a predetermined connection circuit (not shown). The organic light-emitting element 104 is disposed on the transparent substrate surface 102, and is electrically connected to the organic light-emitting element 1 and 4 by, for example, flip chip or wire bonding. A predetermined connection circuit on the surface 102 of the transparent substrate 100. At the same time, a cover is provided, wherein a recess (10) is provided on the surface 1 〇 8 of the cover 1 〇 6 for the desiccant 112 to be disposed therein. Finally, the protruding portion of the edge of the surface 108 of the cover ITO 6 is adhered to the surface 102 of the transparent substrate 100 by the sealant m so that the cover 106 is sealed on the organic light-emitting element 1〇4. In the above organic light-emitting diode device, the cathode electrode as the organic light-emitting element easily reacts with moisture and oxygen, thereby causing organic 201216762
發光元件產生劣化，爾著時_增加H =乳進入該錢發光二極财置的機率也大幅增加，進而 造成有機發光層與電極發生剝離、有 ^ 極氧化等問題發生。 錢㈣_⑽㈣ 壽命問題-歧有機競^财置製造技術最重要 挑喊’也是造成有機發光二極體裝置無法大量推廣的主 f原因。由於高活性的陰極金屬及蒸叙有機物質對水氣 有極向的敏感度’有機發光二極财B無適當的健， 將會很快導致驅動·上昇、元件輝度降低、光強度衰 減、Dark Spots、pixel Shrinkage及短路發生因此避免水 氣入侵有機發光二極體裝置中是該技術領域中重要須改盖 之課題。 【發明内容】 馨於上述習知技術之缺點，本發明之主要目的在於提 供具有吸水層之有機發光二極财置，整合―透明基板、 一有機發光元件、—蓋板、—吸水層等，以解決水氣對有 機發光二極體裝置之人侵，導致有機發光元件產生劣化等 問題。 為了達到上述目的，根據本發明所提出之一方案，提 供一種具有吸水層之有機發光二極體裝置，其包括：一透 月土板至y有機發光元件、一蓋板、一吸水層。該透 明基板係為一載板，其可為一玻璃基板或是一軟性基板， 例如-瓣基板;至少—有機發光元件’其剌成於該透明 基板上，其中該有機發光元件包含一第一電極、至少一有 201216762The light-emitting element is degraded, and the probability of increasing H = milk into the light-emitting diode is also greatly increased, thereby causing problems such as peeling of the organic light-emitting layer and the electrode, and oxidation of the electrode. Money (4) _ (10) (4) Life Problem - The most important thing in the manufacturing technology of the organic competition is the main reason why the organic light-emitting diode device cannot be widely promoted. Due to the high sensitivity of the highly active cathode metal and the vaporized organic matter to the moisture, the organic light-emitting diode B does not have proper health, and will soon lead to driving, rising, lowering the luminance of the component, attenuating the light intensity, and Dark. The occurrence of Spots, pixel Shrinkage and short circuit, thus avoiding the intrusion of moisture into the organic light-emitting diode device is an important issue in the technical field. SUMMARY OF THE INVENTION In view of the above disadvantages of the prior art, the main object of the present invention is to provide an organic light-emitting diode with a water absorbing layer, integrating a transparent substrate, an organic light-emitting element, a cover plate, a water absorbing layer, and the like. In order to solve the problem that the water vapor is invaded by the organic light-emitting diode device, the organic light-emitting element is deteriorated. In order to achieve the above object, in accordance with one aspect of the present invention, an organic light emitting diode device having a water absorbing layer is provided, comprising: a moon permeable plate to a y organic light emitting device, a cover plate, and a water absorbing layer. The transparent substrate is a carrier plate, which may be a glass substrate or a flexible substrate, such as a valve substrate; at least the organic light emitting device is formed on the transparent substrate, wherein the organic light emitting device includes a first Electrode, at least one has 201216762
i έ士與第一電極;遠蓋板係藉由一封膠而與該透明基 ’而形成—密閉空間’該有機發光層係容置於該密 m中，其中’該封膠可是―⑽膠，塗佈於該蓋板周圍 、〜透明基板之-側’並利用一 uv光照射該―膠使其 ^化’將該蓋板黏合於該透明基板上;及—吸水層，其係形 成於該蓋板面對該透明基板之方向的-側面上，1中，該 吸水層細⑽水氣騎化學反紅㈣，尤其是-種熟 、化予反應’例如遠吸水層為一單液型rtv石夕膠，該單 夜里咖㈣為—種具有黏著性的物質，可直接將該單液 5LRTV鄉附著於該蓋板上，該單液型㈣因係為一 ’、有4著1±的物質’所以不需任何其她著織助，即可 貼附於該蓋板上’因而節魏著劑的空間，可貼附更多的 吸水層-單液型RTV石夕膠，因而提高除水效率，提高有機發 光二極體裝置的壽命。該單液型rtv石夕膠吸收水氣後，將 進行-常溫硫化反應，該硫化反應為—熟化反應，屬於一 化學反應。因此本發明乃—化學反應以敎水氣之材 料，提高有機發光二極體裝置的壽命，避免該有機發光二 極體裝置的鶴電壓上昇、元件輝雜低、光強度衰減、 Dark Spots、Pixel Shrinkage及短路發生等問題。 為了達到上述目的，根據本發明所提出之另一方案， 提供-種射财狀錢發光二極體裝置的製備方法， 其步驟包括··提供-透明基板，其中，料明基板係用以 當作-載板’其可為-玻璃基板或是—軟性基板(例如一塑 膠基板);將至少-錢發光元件設置於崎縣板上，其中 201216762 該有機發光元件包含m至少—錢光層與 二電極；提供一蓋板，將一吸水層塗佈於該蓋板面對該透明 基板之方向的-侧面上，其中該吸水層係以吸收水氣 化，反應;及_蓋板設置於該透明基板上，_封膠將 該蓋板與該透明基板結合成—朗空間，其中，該有機發 光元件與該吸水層係容置於該密財。藉此，透過本 發明之製備方法得以劇改善錢對錢發光二極體裝置 之入侵，導致有機發光元件產生劣化等問題。 以上之概述與接下來的詳細說明及附圖，皆是為了能 進一步說明本發明為達成預定目的所採取的方式、手段2 功效。而有關本發明的其他目的及優點，將在後續的=明 及圖示中加以闡述。 【實施方式】 以下係藉由特定的具體實例說明本發明之實施方式， 熟悉此技藝之人士可由本說明書所揭示之内容輕易地瞭解 本發明之其他優點與功效。 本實施方式請參照相關圖式，說明依本發明較佳實施 例之有機發光二極體裝置及其製備方法，並以實驗案例比 較本發明之具體成效。 請參考第二圖，為本發明一種有機發光二極體裝置及 其製造方法。如圖所示，本發明實施例一提供一透明基板 200(例如一玻璃基板)上附有一有機發光元件2〇8，其包含一 ITO層經黃光製程蝕刻成圖案之第一電極(陽極)2〇7、再依 序蒸鑛一電洞傳輸層206、一有機發光層205、一電子傳輸 201216762 層204及-第二電極(陰極)2〇3。並於手套箱崎氣環境下在 蓋板216内面對該透明基板2〇〇之方向的一側面上21〇塗抹 -單液型RTV膠膜212 ’其厚度可為〇.2〇_〇.25mm厚（引用台 灣道康寧股份有限公司型號3_1944之RTV)，其中，不需 使用任何黏合劑，然後在手套箱内以一封膠214(例如一 封膠）（引用 Everwide Chemical Co.Ltd.型號exb5〇〇)塗抹 於蓋板216四周，在氮氣環境下經υν熟化封膠完成實施例 的有機發光二極體裝置；同時提供另一對照組（參考例 一），其結構及製程與上述實施例一之有機發光二極體裝置 相似，其差異在於不塗抹單液型RTV膠膜於該蓋板216上。 將上述方法製備出本發明實施例一之有機發光二極體裝置 及其對照組（參考例一），同時以Chroma公司之PXI 〇LEd LIFE TIME TEST SYSTEM機型來測試其耐久度。 請參考第三圖，為本發明實施例一之有機發光二極體裝 置及其對照組(參考例一)之耐久度測試圖。如圖所示，本發 明實施例一之有機發光二極體裝置在300〇小時耐久度的測 試下，該有機發光二極體裝置之亮度只衰減1〇%左右，而另 一對照組(參考例一)在2400小時耐久度的測試下，該元件亮 度已衰減至初始亮度5〇〇/0。 請參考第四圖，為本發明實施例二之有機發光二極體 裝置及其對照組(參考例二)之另一耐久度測試圖，其中，該 貫施例二之有機發光二極體裝置的結構與實施例一之有機 發光一極體裝置的結構相同’其差異在於对久度測試條件 不同，同時對照組_參考例二的結構相同於對照組參考例一 201216762 的結構，其差異在於耐久度測試條件不同。如圖所示，將 上述之該實施例二之者機發光二極體裝置及其對照組-參考 例二’泡入30°C恆溫水中（模擬100%相對濕度），並定時 取出且測試其亮度，得之數據結果為，該實施例二之有機 發光二極體裝置在150天耐久度的測試下，其亮度仍在初始 亮度50%以上，而該對照組-參考例二在3〇天耐久度的測試 下’該元件亮度已衰減至初始亮度5〇〇/0。 由上述之實施例可知，本發明之一優點為本發明之有 機發光二極體裝置係利用一吸水層於該蓋板與該有機發光 元件之間’利用該吸水層吸收水氣以進行熟化化學反應， 於本實施例中，該吸水層係為一單液型RTV膠膜，其係吸 收水氣以進行硫化反應，其中該硫化反應為一熟化化學反 應。因此本發明之有機發光二極體裝置可有效防止水氣入 侵，避免有機發光元件的劣化。 由上述之實施例可知，本發明之另一優點為本發明之 有機舍光―極體裝置之製備方法巾，其吸水層貼附於蓋板 上不需任何其他料劑，因此節省了枯著劑成本，同時， 因節省點著劑的塗佈空間，可以塗佈更多的吸水層，因而 提南吸收水氣的效率。 上述之實施例僅為例示性說明本發明 效’而非用於限制本發明之實倾術内容的範圍”、。任城 習此技藝之人均可林違背本發明之精神及㈣下，對 上述實施舰行修飾與變化。因此，本㈣之權利保護範 圍，應如後述之申請專利範圍所列。 201216762 【圖式簡單說明】 圖第職為-吻她㈣爾置％结構的剖面 發明—種有機發光二極體 方法; :==:=光二—〆 【主要元件符號說明】 100、200 透明基板 102、108、210 表面 104 、 208 有機發光元件 106、216 蓋板 110 凹陷部 112 > 212 吸水層 201216762 114 、 214 封膠 203 第二電極(陰極) 204 電子傳輸層 205 有機發光層 206 電洞傳輸層 207 第一電極(陽極)i gentleman and the first electrode; the distal cover is formed by a transparent glue with the transparent base' - a closed space 'the organic light-emitting layer is accommodated in the dense m, wherein 'the sealant can be - (10) a glue applied to the periphery of the cover plate, to the side of the transparent substrate, and irradiated with the uv light to bond the cover plate to the transparent substrate; and the water absorbing layer is formed On the side of the cover plate facing the direction of the transparent substrate, in 1 , the water absorbing layer is fine (10) water gas riding chemical anti-red (four), especially - ripening, chemical reaction, such as the far water absorbing layer is a single liquid Type rtv Shixi gum, the single night coffee (four) is a kind of adhesive substance, which can directly attach the single liquid 5LRTV town to the cover plate, the single liquid type (four) is a one, with 4 ± material 'so that it can be attached to the cover without any need for weaving,' so that the space of the agent can be attached to more water-absorbing layer - single-liquid RTV Improve water removal efficiency and increase the life of the organic light-emitting diode device. After the single-liquid type rtv lysine absorbs moisture, it undergoes a normal temperature vulcanization reaction, which is a maturation reaction and belongs to a chemical reaction. Therefore, the present invention improves the life of the organic light-emitting diode device by chemically reacting the material of the water-repellent gas device, avoiding the rise of the crane voltage of the organic light-emitting diode device, low component haze, attenuation of light intensity, Dark Spots, Pixel Shrinkage and short circuit problems. In order to achieve the above object, according to another aspect of the present invention, a method for fabricating a fuel-emitting diode device is provided, the steps comprising: providing a transparent substrate, wherein the substrate is used for The carrier-board can be a glass substrate or a flexible substrate (for example, a plastic substrate); at least the money light-emitting element is disposed on the Kawasaki board, wherein 201216762 the organic light-emitting element includes m at least - a light layer and a second electrode; a cover plate is disposed, and a water absorbing layer is coated on a side surface of the cover plate facing the transparent substrate, wherein the water absorbing layer is vaporized by absorbing water, and reacts; and the cover plate is disposed on the On the transparent substrate, the sealing material is combined with the transparent substrate to form a space, wherein the organic light-emitting element and the water-absorbing layer are disposed in the dense material. Thereby, the intrusion of the money-emitting diode device by the preparation method of the present invention is drastically caused, causing problems such as deterioration of the organic light-emitting element. The above summary, the following detailed description and the accompanying drawings are intended to further illustrate the effect of the means and means 2 employed by the present invention for achieving the intended purpose. Other objects and advantages of the present invention will be set forth in the following description. [Embodiment] The embodiments of the present invention are described below by way of specific examples, and those skilled in the art can readily understand other advantages and effects of the present invention from the disclosure. In the present embodiment, an organic light-emitting diode device according to a preferred embodiment of the present invention and a method for fabricating the same are described with reference to the related drawings, and the specific effects of the present invention are compared by experimental examples. Please refer to the second figure, which is an organic light emitting diode device and a manufacturing method thereof. As shown in the figure, the transparent substrate 200 (for example, a glass substrate) is provided with an organic light-emitting element 2〇8, which comprises a first electrode (anode) in which an ITO layer is etched into a pattern by a yellow light process. 2〇7, sequentially steaming a hole transport layer 206, an organic light-emitting layer 205, an electron transport 201216762 layer 204 and a second electrode (cathode) 2〇3. And in the glove box atmosphere, on the one side of the cover plate 216 facing the direction of the transparent substrate 2 〇 〇 - - single liquid type RTV film 212 'the thickness can be 〇.2 〇 _ 〇. 25mm Thick (refer to RTV of Taiwan Dow Corning Co., Ltd. Model 3_1944), in which no adhesive is needed, and then a glue 214 (for example, a glue) in the glove box (citing Everwide Chemical Co. Ltd. model exb5〇) 〇) applied to the periphery of the cover plate 216, and completed the organic light-emitting diode device of the example by υν ripening and sealing under a nitrogen atmosphere; and another control group (Reference Example 1) was provided, and the structure and process thereof were the same as the above-mentioned first embodiment. The organic light emitting diode device is similar in that the single liquid type RTV film is not applied to the cover plate 216. The organic light-emitting diode device of the first embodiment of the present invention and its control group (Reference Example 1) were prepared by the above method, and the durability was tested by the PXI 〇LEd LIFE TIME TEST SYSTEM model of Chroma Corporation. Please refer to the third figure, which is a durability test chart of the organic light-emitting diode device and its control group (Reference Example 1) according to the first embodiment of the present invention. As shown in the figure, in the organic light-emitting diode device of the first embodiment of the present invention, the brightness of the organic light-emitting diode device is only attenuated by about 1% under the test of 300 hr durability, and another control group (refer to Example 1) Under the test of 2400 hours of durability, the brightness of the element has been attenuated to an initial brightness of 5 〇〇/0. Please refer to the fourth figure, which is another durability test chart of the organic light-emitting diode device of the second embodiment of the present invention and the control group thereof (reference example 2), wherein the organic light-emitting diode device of the second embodiment The structure is the same as that of the organic light-emitting diode device of the first embodiment. The difference is that the test conditions for the longness are different, and the structure of the control group_reference example 2 is the same as that of the control group reference example 201216762, and the difference lies in Durability test conditions are different. As shown in the figure, the above-mentioned embodiment of the second embodiment of the light-emitting diode device and its control group - reference example 2 are bubbled into 30 ° C constant temperature water (simulating 100% relative humidity), and periodically taken out and tested. The result of the brightness is that the organic light-emitting diode device of the second embodiment has a brightness of about 50% of the initial brightness under the test of 150 days of durability, and the control group - reference example 2 is at 3 days. Under the endurance test, the brightness of the component has been attenuated to an initial brightness of 5 〇〇/0. It is to be understood from the above embodiments that an organic light-emitting diode device of the present invention utilizes a water absorbing layer between the cover plate and the organic light-emitting element to absorb moisture by the water absorbing layer for curing chemistry. In the present embodiment, the water absorbing layer is a single liquid RTV film which absorbs moisture to carry out a vulcanization reaction, wherein the vulcanization reaction is a ripening chemical reaction. Therefore, the organic light-emitting diode device of the present invention can effectively prevent moisture intrusion and avoid deterioration of the organic light-emitting element. It can be seen from the above embodiments that another advantage of the present invention is that the method for preparing an organic light-polar device of the present invention has a water absorption layer attached to the cover plate without any other material, thereby saving the dryness. The cost of the agent, at the same time, due to the saving of the coating space of the dispensing agent, more water absorbing layer can be applied, thereby absorbing the efficiency of water vapor. The above-described embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. The person skilled in the art can use the spirit of the present invention and (4) The implementation of the ship's modification and change. Therefore, the scope of the rights protection of this (4) should be listed in the scope of the patent application mentioned later. 201216762 [Simple description of the figure] Figure of the first job - kiss her (four) set the structure of the structure of the % structure Organic light-emitting diode method; :==:=光二-〆 [Main component symbol description] 100, 200 transparent substrate 102, 108, 210 surface 104, 208 organic light-emitting element 106, 216 cover plate 110 recessed portion 112 > 212 Water absorbing layer 201216762 114 , 214 sealant 203 second electrode (cathode) 204 electron transport layer 205 organic light emitting layer 206 hole transport layer 207 first electrode (anode)