JP4369328B2 - 有機電界発光素子及びその製造方法 - Google Patents
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- H01L23/18—Fillings characterised by the material, its physical or chemical properties, or its arrangement within the complete device
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
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Description
エタノール95gに硝酸を付加してpH2ほどに調節した後、ここにCaO粉末5gを入れた後に3時間以上攪拌してゾル状態の混合物を準備した。
エタノール95gに硝酸を付加してpH2ほどに調節した後、ここにCaO粉末5gを付加した後に3時間以上攪拌した。前記混合物に30重量%の水溶性アクリル樹脂溶液1gを添加した後に攪拌して均一な溶液を得た。
ゾル状態の混合物コーティング方法がスピンコーティング方法からスプレイコーティング方法に変化したことを除いては、実施例1と同じ方法で実施して有機電界発光素子を完成した。
ソーダガラス基板の上部に透明ナノ多孔性CaO膜を形成しないことを除いては、実施例1と同じ方法で実施して有機電界発光素子を完成した。
通常的なゲッタ(HD-SO4、日本ダイニック社製)をソーダガラス基板の上部に設置し、このソーダガラス基板の少なくとも一側と、第1電極、有機膜及び第2電極が形成されたガラス基板の少なくとも一側とに密封材を塗布した。次いで、前記二つの基板を合着して有機電界発光素子を完成した。
11 前面基板
12 有機電界発光部
13 透明ナノ多孔性酸化物膜
14 密封材
Claims (16)
- 背面基板と、
前記背面基板の一面に形成され、第1電極、有機膜及び第2電極が順次に積層された有機電界発光部と、
密封材によって前記背面基板と結合され、前記有機電界発光部を収容する密封された内部空間を形成するための前面基板と、
前記内部空間において、前記前面基板上に形成されたナノサイズの多孔性酸化物粒子を含む透明ナノ多孔性酸化物膜と、を備え、
前記多孔性酸化物粒子が平均粒径100nm以下であり、
前記透明ナノ多孔性酸化物膜が、
ナノサイズの多孔性酸化物粒子を溶媒及び酸で分散して得たゾル状態の混合物を、前記前面基板上に塗布、乾燥及び熱処理して得たことを特徴とする有機電界発光素子。 - 前記多孔性酸化物粒子は、アルカリ金属酸化物、アルカリ土類金属酸化物、金属ハロゲン化物、金属硫酸塩及び金属過塩素酸塩よりなる群から選択された一つ以上であることを特徴とする請求項1に記載の有機電界発光素子。
- 前記アルカリ金属酸化物がLi2O、Na2OまたはK2Oであり、
前記アルカリ土類金属酸化物がBaO、CaO、またはMgOであり、
前記金属硫酸塩がLi2SO4、Na2SO4、CaSO4、MgSO4、CoSO4、Ga2(SO4)3、Ti(SO4)2、またはNiSO4であり、
前記金属ハロゲン化物がCaCl2、MgCl2、SrCl2、YCl2、CuCl2、CsF、TaF5、NbF5、LiBr、CaBr3、CeBr4、SeBr2、VBr2、MgBr2、BaI2またはMgI2であり、
前記金属過塩素酸塩がBa(ClO4)2またはMg(ClO4)2であることを特徴とする請求項2に記載の有機電界発光素子。 - 前記透明ナノ多孔性酸化物膜は、平均直径が100nm以下であるナノサイズの気孔を含むことを特徴とする請求項1に記載の有機電界発光素子。
- 前記透明ナノ多孔性酸化物膜が透明ナノ多孔性CaO膜であることを特徴とする請求項1に記載の有機電界発光素子。
- 前記熱処理が250℃以下であることを特徴とする請求項1に記載の有機電界発光素子。
- 前記透明ナノ多孔性酸化物膜の厚さが0.1ないし12μmであることを特徴とする請求項1に記載の有機電界発光素子。
- 前記第1電極は透明電極であり、第2電極は反射型電極であるか、または前記第1電極は反射型電極であり、第2電極は透明な電極であることを特徴とする請求項1に記載の有機電界発光素子。
- 第1電極、有機膜及び第2電極が順次に積層された有機電界発光部が形成された背面基板を準備する第1段階と、
密封材によって前記背面基板と結合され、前記有機電界発光部を収容する密封された内部空間を形成するための前面基板を準備する第2段階と、
前記内部空間において、前記前面基板表面上に、ナノサイズの多孔性酸化物粒子を溶媒及び酸と混合して得たゾル状態の透明ナノ多孔性酸化物膜形成用の組成物を塗布及び乾燥し、これを熱処理して透明ナノ多孔性酸化物膜を得る第3段階と、
前記背面基板と前面基板のうち少なくとも一側の有機電界発光部の外郭に当る部分に前記密封材を塗布する第4段階と、
前記背面基板と前面基板とを合着する第5段階と、を含み、
前記第3段階で、熱処理温度が250℃以下であることを特徴とする有機電界発光素子の製造方法。 - 前記ナノサイズの多孔性酸化物粒子を溶媒及び酸と混合する時、溶媒及び酸を付加してpHを1ないし8に調節した後、ここにナノサイズの多孔性酸化物粒子を付加してなることを特徴とする請求項9に記載の有機電界発光素子の製造方法。
- 前記溶媒がエタノール、メタノール、プロパノール、ブタノール、イソプロパノール、メチルエチルケトン、純水、プロピレングリコール(モノ)メチルエーテル、イソプロピルセルロース、メチレンクロライド、エチレンカーボネートよりなる群から選択された一つ以上であることを特徴とする請求項9に記載の有機電界発光素子の製造方法。
- 前記酸が硝酸、塩酸、硫酸、アセト酸よりなる群から選択された一つ以上であることを特徴とする請求項9に記載の有機電界発光素子の製造方法。
- 前記ゾル状態の透明ナノ多孔性酸化物膜形成用の組成物で、溶媒の含量は、ナノサイズの多孔性酸化物粒子100重量部を基準として60ないし99重量部であり、酸の含量は、ナノサイズの多孔性酸化物粒子100重量部を基準として0.01ないし0.1重量部であることを特徴とする請求項9に記載の有機電界発光素子の製造方法。
- 前記多孔性酸化物粒子が平均粒径が100nm以下であるアルカリ金属酸化物、アルカリ土類金属酸化物、金属ハロゲン化物、金属硫酸塩及び金属過塩素酸塩よりなる群から選択された一つ以上であることを特徴とする請求項9に記載の有機電界発光素子の製造方法。
- 前記アルカリ金属酸化物がLi2O、Na2OまたはK2Oであり、
前記アルカリ土類金属酸化物がBaO、CaO、またはMgOであり、
前記金属硫酸塩がLi2SO4、Na2SO4、CaSO4、MgSO4、CoSO4、Ga2(SO4)3、Ti(SO4)2、またはNiSO4であり、
前記金属ハロゲン化物がCaCl2、MgCl2、SrCl2、YCl2、CuCl2、CsF、TaF5、NbF5、LiBr、CaBr3、CeBr4、SeBr2、VBr2、MgBr2、BaI2またはMgI2であり、
前記金属過塩素酸塩がBa(ClO4)2またはMg(ClO4)2 であることを特徴とする請求項14に記載の有機電界発光素子の製造方法。 - 前記多孔性酸化物粒子がCaOであることを特徴とする請求項9に記載の有機電界発光素子の製造方法。
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KR100670328B1 (ko) * | 2005-03-30 | 2007-01-16 | 삼성에스디아이 주식회사 | 유기 발광 표시 소자 및 그 제조방법 |
JP2007168965A (ja) * | 2005-12-21 | 2007-07-05 | Toshiba Tec Corp | 用紙後処理装置 |
EP1818694A1 (en) * | 2006-02-14 | 2007-08-15 | DSMIP Assets B.V. | Picture frame with an anti reflective glass plate |
PL2082619T3 (pl) * | 2006-11-06 | 2023-03-13 | Agency For Science, Technology And Research | Nanocząstkowy enkapsulujący stos barierowy |
TWI376500B (en) * | 2008-03-28 | 2012-11-11 | Ind Tech Res Inst | System for detecting defect of panel device |
EP2302981B1 (en) * | 2008-06-17 | 2013-05-15 | Hitachi Ltd. | Organic light-emitting element, method for manufacturing the organic light-emitting element, apparatus for manufacturing the organic light-emitting element, and organic light-emitting device using the organic light-emitting element |
KR20110064670A (ko) | 2009-12-08 | 2011-06-15 | 삼성모바일디스플레이주식회사 | 게터 조성물 및 상기 게터 조성물을 포함하는 유기 발광 장치 |
CN101866943B (zh) * | 2010-02-26 | 2013-12-25 | 信利半导体有限公司 | 一种有机电致发光显示器及其封装方法 |
CN101866583A (zh) * | 2010-02-26 | 2010-10-20 | 信利半导体有限公司 | 一种后盖和后盖的制造方法 |
ES2382277B1 (es) * | 2010-11-10 | 2013-05-06 | Consejo Superior De Investigaciones Científicas (Csic) | Material con transmisión óptica variable y dispositivo que comprende dicho material. |
KR101232217B1 (ko) * | 2011-04-20 | 2013-02-12 | 한국생산기술연구원 | 고투과성 및 고방열성을 갖는 oled 소자의 봉지구조 및 이의 제조방법 |
CN202150458U (zh) * | 2011-06-30 | 2012-02-22 | 重庆爱特光电有限公司 | 透射式oled显示器 |
JP5252327B2 (ja) * | 2011-07-14 | 2013-07-31 | 宇部マテリアルズ株式会社 | 有機el素子用水分吸着剤及びその製造方法 |
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