JP2007510280A - 有機電気光学装置及びその製造方法 - Google Patents
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Abstract
【選択図】 図2
Description
OLED装置を下記のように製造した。第一部材は、ポリエチレンテレフタレート(PET)基板をITO層及びPEDOT層で被覆して構成した。第二部材は、PET基板をITO層及びポリマーブレンドの層で被覆して構成した。ポリマーブレンドは、発光ポリマーADS329(ポリ(9,9−ジオクチルフルオレニル−2,7−ジイル)(American Dye Source社(カナダ国H9X 3T6ケベック州、バイエ・ディ・ウルフェ、モーガン通り555所在)から購入)を、接着材料Norland Optical Adhesive68(略称Norland68)(Norland Products社(米国08512ニュージャージー州クランベリ所在)から購入)とブレンドした。したがって、第一部材はPET/ITO/PEDOTの構造を有し、第二部材はPET/ITO/ポリマーブレンドの構造を有した。次にこれら2つの部材を互いに積層した後、UVを短時間(30秒間)照射した。積層前に、第二部材のみから(ADS329による)ホトルミネセンスが認められた。積層後、積層したフィルムをわざと分離した。今度は両側でホトルミネセンスが見られ、接着が強化されたせいで、第二部材中のADS329が部分的に第一部材中のPEDOTの表面に移動したことが分かった。
別の実験では、PET/ITO/PEDOT/ポリマーブレンド/Al/PETの構造を有する2つの実効装置を、別々の部材を積層することで作製した。ここで、Alはアルミニウムカソード層、ポリマーブレンドはADS329とNorland68とのブレンドである。第一の装置は、PET/ITO/PEDOT/ポリマーブレンドの構造を有する部材とPET/Alの構造を有する部材とを用いて作製した。第二の装置は、PET/ITO/PEDOTの構造を有する部材とPET/Al/ポリマーブレンドの構造を有する部材とを用いて作製した。ポリマーブレンド層はスピンコートし、積層したフィルムスタックを、空気中で長波長(365nm)UVランプに5分間照射することで、硬化した。両装置とも、機械的特性が高められ、即ちPEDOTと発光ポリマーとの接着並びに発光ポリマーとAlカソードとの接着が強化されていた。
別の実施例では、発光ポリマーADS329を接着材料Norland68と混合した。空気中室温にて琥珀バイアル中で52mgのADS329を19mgの脱ガスNorland68と混合し、混合物を窒素で40分間パージし、4mlのm−キシレン(無水)を添加し、(撹拌棒でかきまぜながら)溶液を75℃に1時間加熱し、窒素パージしたボックス内で室温まで冷却することにより、ブレンド溶液を調製した。有機発光装置(装置A)を下記の工程により作製した。工程(1):予め清浄化したUVオゾン処理ITO基板上にPEDOTをスピンコートする。工程(2):ITO/PEDOT基板を170℃で30分間ベークし、次いで窒素パージしたボックス内で室温まで冷却する。工程(3):ITO/PEDOT基板上に先に調製したブレンド溶液をスピンコートし、次いで長波長(365nm)UVランプで30秒間照射により部分的に硬化する。工程(4):サンプルをアルゴンパージしたボックス(水分及び酸素1ppm未満)に移す。工程(5):カソード材料、即ちNaF(4nm)/Al(100nm)を加熱蒸発しサンプル上に堆積する。工程(6):サンプルをカバーガラス片でNorland68を用いて封止する。発光ポリマーを用いるが、接着剤を用いずに、同様の装置(装置B)を作製した。
図8は、本発明の実施形態による有機発光装置の1例を示す。このOLEDは3つの部材81、82及び83を積層することにより作製した。第一部材81は、予め清浄化したUVオゾン処理PET(800)/ITO(802)基板上に厚さ約60nmのPEDOT層804をスピンコートすることにより製造した。したがって、第一部材81はPET/ITO/PEDOTの構造を有する。第二部材82は、PET基板808上に厚さ80nmのAl層810を熱蒸着し、次いで基板に厚さ約80nmのポリフルオレン系発光ポリマー812をスピンコートすることにより製造した。したがって、第二部材82はPET/Al/発光ポリマーの構造を有する。第三部材83は、LS851自己積層カード保護膜814(3M社製)を納品のまま何の処理もしないで使用した。Attalam110L(登録商標)ローララミネータを用いて、3つの部材を130℃で積層した。完成したOLEDはPET/ITO/PEDOT/発光ポリマー/Al/PET/カード保護膜(3M社製)の構造を有する。定電圧(9V)を電気接点816及び818間にかけて測定した装置の効率は0.14cd/Aであった。比較実験では、上記手順にて、第三部材83なしの装置を作成した。この装置は層剥離のため機能しないことが分かった。これは、第一部材と第二部材との間の界面接着が弱いことを示す。
200 基板
202 カソード層
204 発光層
22 第二部材
206 基板
208 ITO層
210 PEDOT層
216 開口
23 第三部材
212 基板
214 接着材料
24 OLED装置
Claims (10)
- 第一基板(200)上に1種以上の第一材料(202)を含有する第一部材(21)を形成し、
第二基板(206)上に1種以上の第二材料(208)を含有する第二部材(22)を形成し、第二部材(22)に1以上の開口(216)を貫通形成し、
第三部材(23)を形成し、
第一部材(21)、第二部材(22)及び第三部材(23)を互いに下記構造に積層する工程を含み、
第二部材(22)が第一部材(21)と第三部材(23)との間に位置し、
1種以上の第一材料(202)と1種以上の第二材料(208)が第一基板(200)と第二基板(206)との間に位置する有機電気光学装置の少なくとも一部を形成し、
第三部材(23)が第二部材(22)に結合され、
第三部材(23)が1以上の開口(216)を介して第一部材(21)に結合される、
電気光学装置の製造方法。 - 前記第三部材(23)は、第一部材(21)、第二部材(22)及び第三部材(23)間に1以上の開口(216)を介して電気相互接続を達成する1種以上の導電性材料を含有する、請求項1に記載の方法。
- 前記第三部材(23)は、有機発光装置の1以上の発光色を変換できる1種以上の色変換材料を含有する、請求項1に記載の方法。
- 前記第一部材(21)又は第二部材(22)は、1種以上の有機発光材料と1種以上の接着材料を混合状態で含有する、請求項1に記載の方法。
- 第一基板(200)上に1種以上の第一材料(202)を含有する第一部材(21)、
第二基板(206)上に1種以上の第二材料(208)を含有する第二部材(22)であって、1以上の開口(216)が貫通形成されている第二部材(22)、及び
第三部材(23)を備え、
第一部材(21)、第二部材(22)及び第三部材(23)が互いに下記構造に積層され、
第二部材(22)が第一部材(21)と第三部材(23)との間に位置し、
1種以上の第一材料(202)と1種以上の第二材料(208)が第一基板(200)と第二基板(206)との間に位置する有機電気光学装置の少なくとも一部を形成し、
第三部材(23)が第二部材(22)に結合され、
第三部材(23)が1以上の開口(216)を介して第一部材(21)に結合された、
電気光学装置。 - 前記第三部材(23)は、第一部材(21)、第二部材(22)及び第三部材(23)間に1以上の開口(216)を介して電気相互接続を達成する1種以上の導電性材料を含有する、請求項5に記載の電気光学装置。
- 前記第三部材(23)は、有機発光装置の1以上の発光色を変換できる1種以上の色変換材料を含有する、請求項5に記載の電気光学装置。
- 前記第一部材(21)又は第二部材(22)は、1種以上の有機発光材料と1種以上の接着材料を混合状態で含有する、請求項5に記載の電気光学装置。
- 1種以上の有機発光材料と1種以上の接着材料を混合することにより1種以上の複合材料を形成し、
前記1種以上の複合材料を有機発光装置の層(1006)として用いることにより有機発光装置を形成する
工程を含む、有機発光装置の製造方法。 - 1以上の複合材料層(1006)を備え、複合材料層(1006)が1種以上の有機発光材料と1種以上の接着材料を混合状態で含有する、有機発光装置。
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US10/695,781 | 2003-10-30 | ||
US10/695,781 US7052355B2 (en) | 2003-10-30 | 2003-10-30 | Organic electro-optic device and method for making the same |
PCT/US2004/035683 WO2005045950A1 (en) | 2003-10-30 | 2004-10-27 | An organic electro-optic device and method for making the same |
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US (3) | US7052355B2 (ja) |
EP (1) | EP1683215B1 (ja) |
JP (1) | JP5410000B2 (ja) |
KR (1) | KR101099807B1 (ja) |
CN (1) | CN100508239C (ja) |
DE (1) | DE602004010297T2 (ja) |
WO (1) | WO2005045950A1 (ja) |
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-
2003
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-
2004
- 2004-10-27 JP JP2006538223A patent/JP5410000B2/ja not_active Expired - Lifetime
- 2004-10-27 CN CNB2004800321990A patent/CN100508239C/zh not_active Expired - Lifetime
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2006
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2007
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JP2004014447A (ja) * | 2002-06-11 | 2004-01-15 | Sony Corp | 表示装置およびその製造方法 |
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Cited By (3)
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JP2008545231A (ja) * | 2005-06-30 | 2008-12-11 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 有機系の装置およびそれを製作する方法 |
JP2007207633A (ja) * | 2006-02-03 | 2007-08-16 | Hitachi Ltd | 発光素子及び表示装置 |
JP2012503849A (ja) * | 2008-09-26 | 2012-02-09 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | 有機光学電気装置および有機光学電気装置を製造するための方法 |
Also Published As
Publication number | Publication date |
---|---|
US7052355B2 (en) | 2006-05-30 |
KR101099807B1 (ko) | 2011-12-27 |
JP5410000B2 (ja) | 2014-02-05 |
US20050093001A1 (en) | 2005-05-05 |
WO2005045950A1 (en) | 2005-05-19 |
DE602004010297T2 (de) | 2008-09-25 |
KR20060110875A (ko) | 2006-10-25 |
US20080008887A1 (en) | 2008-01-10 |
DE602004010297D1 (de) | 2008-01-03 |
US20060125383A1 (en) | 2006-06-15 |
CN100508239C (zh) | 2009-07-01 |
EP1683215B1 (en) | 2007-11-21 |
EP1683215A1 (en) | 2006-07-26 |
CN1875500A (zh) | 2006-12-06 |
US7632165B2 (en) | 2009-12-15 |
WO2005045950A8 (en) | 2006-06-22 |
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