JP2007036157A - 有機el素子、有機el表示装置、及び有機el素子の製造方法 - Google Patents
有機el素子、有機el表示装置、及び有機el素子の製造方法 Download PDFInfo
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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Abstract
【解決手段】本発明の有機EL素子の製造方法は、
気化したホスト材料と気化したドーパント材料とをそれぞれ第1及び第2ノズルから電極に向けて噴き出しながら第1及び第2動作を交互に各々少なくとも2回行って前記電極上に発光層を形成することを含み、前記第1及び第2動作の各々は前記第1及び第2ノズルの配列方向に平行な相対移動方向に前記第1及び第2ノズルを前記電極に対して相対的に移動させることを含み、前記第1及び第2動作の一方において前記配列方向と前記相対移動方向とは互いに等しく、前記第1及び第2動作の他方において前記配列方向と前記相対移動方向とは互いに逆であることを特徴とする。
【選択図】 なし
Description
ホスト材料としては、アントラセン類、アミン類、スチリル類、シロール類、アゾール類、ポリフェニル類、金属錯体類などの有機物又は有機金属化合物を使用することができる。例えば、ホスト材料として、ジフェニルアントラセン誘導体、ビスカルバゾール、スチリルアミン、ジスチリルアリーレン、オキサゾール、オキサジアゾール、ベンゾイミダゾール、トリス(8−ヒドロキシキノレート)アルミニウム(Alq3)などを使用してもよい。
まず、アレイ基板を準備し、その画素電極PE上に有機物層ORG及び対向電極CEを順次形成する。有機物層ORGが含む発光層EMTは、後で詳述するように、図1の真空蒸着装置を用いて形成する。また、典型的には、有機物層ORGが含む発光層EMT以外の層及び対向電極CEも真空蒸着法により形成する。次いで、このようにして得られた有機EL素子OLEDを封止し、表示パネルDPを完成する。さらに、表示パネルDPに映像信号線ドライバXDR及び走査信号線ドライバYDRを実装する。以上のようにして、有機EL表示装置を完成する。
まず、真空チャンバVC内を真空とする。このとき、坩堝CR1は蒸発材料EM1としてホスト材料を収容しており、坩堝CR2は蒸発材料EM2としてドーパント材料を収容している。
Claims (3)
- 第1及び第2電極とそれらの間に介在した発光層とを具備し、前記発光層はホスト材料とドーパント材料とを含んだ混合物からなり、前記発光層において、その膜厚方向についての前記ドーパント材料の濃度プロファイルは2つ以上の極大値又は2つ以上の極小値を含んでいることを特徴とする有機EL素子。
- 複数の画素を具備し、前記複数の画素の各々は請求項1に記載の有機EL素子を含んだことを特徴とする有機EL表示装置。
- 第1及び第2電極とそれらの間に介在した発光層とを具備した有機EL素子の製造方法であって、
気化したホスト材料と気化したドーパント材料とをそれぞれ第1及び第2ノズルから前記第1電極に向けて噴き出しながら第1及び第2動作を交互に各々少なくとも2回行って前記第1電極上に前記発光層を形成することと、前記発光層上に前記第2電極を形成することとを含み、
前記第1及び第2動作の各々は前記第1及び第2ノズルの配列方向に平行な相対移動方向に前記第1及び第2ノズルを前記第1電極に対して相対的に移動させることを含み、前記第1及び第2動作の一方において前記配列方向と前記相対移動方向とは互いに等しく、前記第1及び第2動作の他方において前記配列方向と前記相対移動方向とは互いに逆であることを特徴とする方法。
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JP2005221591A JP4959961B2 (ja) | 2005-07-29 | 2005-07-29 | 有機el素子の製造方法 |
US11/459,241 US7928652B2 (en) | 2005-07-29 | 2006-07-21 | Organic EL emitting layer having specific concentration profile |
US13/041,813 US20110159625A1 (en) | 2005-07-29 | 2011-03-07 | Organic el display |
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JP2005221591A JP4959961B2 (ja) | 2005-07-29 | 2005-07-29 | 有機el素子の製造方法 |
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KR101065413B1 (ko) * | 2009-07-03 | 2011-09-16 | 삼성모바일디스플레이주식회사 | 유기전계발광표시장치 및 그의 제조방법 |
JP5328726B2 (ja) | 2009-08-25 | 2013-10-30 | 三星ディスプレイ株式會社 | 薄膜蒸着装置及びこれを利用した有機発光ディスプレイ装置の製造方法 |
US8486737B2 (en) * | 2009-08-25 | 2013-07-16 | Samsung Display Co., Ltd. | Thin film deposition apparatus and method of manufacturing organic light-emitting display device by using the same |
JP5677785B2 (ja) | 2009-08-27 | 2015-02-25 | 三星ディスプレイ株式會社Samsung Display Co.,Ltd. | 薄膜蒸着装置及びこれを利用した有機発光表示装置の製造方法 |
US8876975B2 (en) | 2009-10-19 | 2014-11-04 | Samsung Display Co., Ltd. | Thin film deposition apparatus |
JP4974036B2 (ja) | 2009-11-19 | 2012-07-11 | 株式会社ジャパンディスプレイセントラル | 有機el装置の製造方法 |
KR101084184B1 (ko) | 2010-01-11 | 2011-11-17 | 삼성모바일디스플레이주식회사 | 박막 증착 장치 |
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Also Published As
Publication number | Publication date |
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US7928652B2 (en) | 2011-04-19 |
US20070024185A1 (en) | 2007-02-01 |
JP4959961B2 (ja) | 2012-06-27 |
US20110159625A1 (en) | 2011-06-30 |
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