JP2011129539A - 有機電子デバイスにおける欠陥の影響を軽減する電極 - Google Patents
有機電子デバイスにおける欠陥の影響を軽減する電極 Download PDFInfo
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- JP2011129539A JP2011129539A JP2011057315A JP2011057315A JP2011129539A JP 2011129539 A JP2011129539 A JP 2011129539A JP 2011057315 A JP2011057315 A JP 2011057315A JP 2011057315 A JP2011057315 A JP 2011057315A JP 2011129539 A JP2011129539 A JP 2011129539A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/60—Forming conductive regions or layers, e.g. electrodes
-
- H—ELECTRICITY
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Abstract
【解決手段】 有機電子デバイス(10)のための複合電極(40)は、第1導電性材料の薄い第1層(42)と、該第1層上に配設された第2導電性材料からなる。一実施形態において、第2導電性材料は、複数の細長い部材(44)に形成される。別の実施形態においては、第2材料は、第2層(46)に形成される。細長い部材又は第2層は、第1層の厚さよりも大きい厚さを有する。第2層は、少なくとも第1層の材料よりも小さい導電率を有する導電性材料によって、第1層から分離される。複合電極は、有機電子デバイスの構造における短絡のような欠陥の悪影響を軽減することができ、発光デバイス又は光起電デバイス中に含むことができる。
【選択図】 図1
Description
15 基板
20 第1電極
40 第2電極、複合電極
42 第1層
44 細長い部材
Claims (21)
- 第1導電性材料の第1層(42)と、前記第1層(42)と電気接触関係にある複数の細長い部材(44)と、からなる有機電子デバイス用複合電極(40)であって、前記細長い部材(44)が第2導電性材料からなり、前記第1層(42)に対してほぼ垂直に測定した前記細長い部材(44)の厚さが前記第1層(42)の厚さより大きく、前記複数の細長い部材(44)が互いに導通している、複合電極(40)。
- 前記細長い部材(44)が交差する線を形成する請求項1に記載の複合電極(40)。
- 前記第1層(42)に重なる前記細長い部材(44)の合計表面積が、該第1層の表面積の約50パーセントより少ない請求項1又は請求項2に記載の複合電極(40)。
- 前記第1層(42)に重なる前記細長い部材(44)の合計表面積が、該第1層の表面積の約25パーセントより少ない請求項1又は請求項2に記載の複合電極(40)。
- 前記第1層(42)に重なる前記細長い部材(44)の合計表面積が、該第1層の表面積の約10パーセントより少ない請求項1又は請求項2に記載の複合電極(40)。
- 前記第1層(42)の前記厚さが約1nmから約25nmまでの範囲であり、前記細長い部材(44)の前記厚さが約10nmから約500nmまでの範囲である請求項1乃至請求項5のいずれか1項に記載の複合電極(40)。
- 有機電子デバイス(10)であって、当該有機電子デバイス(10)が、
第1電極(20)と、
第1導電性材料の第1層(42)と、前記第1層上(42)に配設され、該第1層と電気接触関係にある複数の第2導電性材料の細長い部材(44)とからなる第2電極(40)と、
前記第1電極(20)と前記第2電極(46)の前記第1層(42)との間に配設された少なくとも1つの電気的及び光学的活性有機材料(30)と
を備えており、前記第1層(42)に対してほぼ垂直に測定した前記細長い部材(44)の厚さが前記第1層(42)の厚さより大きく、前記複数の細長い部材(44)が互いに導通している、有機電子デバイス(10)。 - 前記細長い部材(44)が交差する線を形成する請求項7に記載の有機電子デバイス(10)。
- 前記デバイスが有機エレクトロルミネセンスデバイス(「OELD」)であり、前記第1電極(20)が陽極であり、前記第2電極(40)が陰極であり、前記電気的及び光学的活性有機材料(30)が有機EL材料(30)である請求項7又は請求項8に記載の有機電子デバイス(10)。
- 前記第1層(42)の前記厚さが約1nmから約25nmまでの範囲であり、前記細長い部材(44)の前記厚さが約10nmから約500nmまでの範囲である請求項7乃至請求項9のいずれか1項に記載の有機電子デバイス(10)。
- 前記第1及び第2導電性材料が異なり、K、Li、Na、Mg、La、Ce、Ca、Sr、Ba、Al、Ag、In、Sn、Zn、Zr、Sm、Eu、これらの合金、及びこれらの混合物からなる群から選択された請求項7乃至請求項10のいずれか1項に記載の有機電子デバイス(10)。
- 前記有機EL材料(30)が、ポリ(N−カルバゾール)、ポリ(9,9−ジヘキシルフルオレン)、ポリ(ジオクチルフルオレン)、ポリ{9,9−ビス(3,6−ジオキサヘプチル)−フルオレン−2,7−ジイル}、ポリ(2−デシルオキシ−1、4−フェニレン)、ポリ(ジ−n−ブチルシラン)、ポリ(ジ−n−ペンチルシラン)、ポリ(ジ−n−ヘキシルシラン)、ポリ(メチルフェニルシラン)ポリ{ビス(p−ブチルフェニル)シラン}、1,3,5−トリス{n−(4−ジフェニルアミノフェニル)フェニルアミノ}ベンゼン、フェニルアントラセン、テトラアリールエテン、クマリン、ルブレン、テトラフェニルブタジエン、アントラセン、ペリレン、コロネン、アルミニウム−アセチルアセトネート、ガリウム−アセチルアセトネート、インジウム−アセチルアセトネート、アルミニウム−(ピコリメチルケトン)−ビス{2,6−ジ(t−ブチル)フェノキシド}、スカンジウム−(4−メトキシ−ピコリメチルケトン)−ビス(アセチルアセトネート)、キレートされたオキシノイド化合物、ポリ{2−メトキシ−5(2´−エチル−ヘキシルオキシ)−1,4−フェニレン1,2−エテニレン−2,5−ジメトキシ−1,4−フェニレン−1,2−エテニレン}、ジベンゾテトラフェニルペリフランテン、ポリチオフェン、ペリレンテトラエステル、トリフェニレンヘキサエーテル、アミノ置換ペリレン誘導体、アズラクトン誘導体、ペンタセンの誘導体、ピランの誘導体、白金、パラジウム、ユーロピウム、又は亜鉛のポルフィリン、白金、パラジウム、又は亜鉛のマレニトリレジチオレートホスホン酸塩錯体、ユーロピウム(III)フェナントロリンの誘導体、及びイリジウム(III)ビス{2−(2´−ベンゾチエニル)−ピリジナト−N−C3’}(アセチルアセトネート)からなる群から選択された請求項7乃至請求項11のいずれか1項に記載の有機電子デバイス(10)。
- 前記デバイス(10)が有機光起電(「PV」)デバイスであり、前記少なくとも1つの電気的及び光学的活性有機材料が、ヘテロ接合を形成する2つの有機半導体材料を備えた請求項7乃至請求項12のいずれか1項に記載の有機電子デバイス(10)。
- 支持体上に配設された複数の有機エレクトロルミネセンスデバイス(10)(「OELD」)を備える光源であって、各々の前記OELDが、
第1電極(20)と、
第1導電性材料の第1層(42)と、第2導電性材料を含み且つ前記第1層(42)上に配設された複数の細長い部材(44)とからなる第2電極(40)と、
前記第1電極と前記第2電極(40)の前記第1層(42)との間に配設された少なくとも1つの有機EL材料(30)と、
を備え、
前記第1層(42)に対してほぼ垂直に測定した前記細長い部材(44)の厚さが前記第1層(42)より大きく、前記複数の細長い部材(44)が互いに導通していることを特徴とする光源。 - 支持体上に配設された複数の有機PVデバイスを備えた電気エネルギ源であって、各々の有機PVデバイスが、
第1電極(20)と、
第1導電性材料の第1層(42)と、第2導電性材料を含み且つ前記第1層(42)上に配設された複数の細長い部材(44)とからなる第2電極(40)と、
電子供与性有機半導体材料と、電子受容性有機半導体材料と、
を備え、前記有機半導体材料が前記第1電極(20)と前記第2電極(40)の前記第1層(42)との間に配設されてヘテロ接合が形成されるようになり、
前記第1層(42)に対してほぼ垂直に測定した前記細長い部材(44)の厚さが前記第1層(42)の厚さより大きく、前記複数の細長い部材(44)が互いに導通していることを特徴とする電気エネルギ源。 - 有機電子デバイス(10)を作る方法であって、
(a)第1電極(20)を準備し、
(b)少なくとも1つの電気的及び光学的活性有機材料(30)を前記第1電極(20)上に配設し、
(c)第2電極(40)の第1導電性材料からなる第1層(42)を、前記少なくとも1つの電気的及び光学的活性有機材料(30)上に配設し、
(d)第2導電性材料からなり、前記第1層(42)に対してほぼ垂直に測定した厚さが前記第1層(42)の厚さより大きく、互いに導通している複数の細長い部材(44)を前記第1層(42)上に配設する、
ことを含む方法。 - 前記第1電極(20)を準備することが、ほぼ透明な基板(15)を準備することと、第1電極(20)材料を前記基板上に配設することとを含む請求項16に記載の方法。
- 前記第1電極(20)材料を配設すること、前記第2電極(40)の第1層(42)を配設すること、及び前記複数の前記細長い部材(44)を配設することが、物理蒸着法、化学蒸着法、及びスパッタリングからなる群から選択された方法により導電性材料を被着させることを含む請求項16又は請求項17に記載の方法。
- 前記複数の前記細長い部材(44)を配設することが、マスクを用いて導電性材料を被着させることを更に含む請求項18に記載の方法。
- 前記複数の前記細長い部材(44)を配設することが、前記第2導電性材料の層を配設することと、前記複数の細長い部材(44)が残るように前記層を選択的にエッチングすることとを含む請求項19に記載の方法。
- 前記少なくとも1つの電気的及び光学的活性有機材料(30)を配設することが、物理蒸着法、化学蒸着法、スピンコート法、浸漬コート法、スプレー法、及びインクジェット印刷法からなる群から選択された方法により行われる請求項16乃至請求項20のいずれか1項に記載の方法。
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JP2013200959A (ja) * | 2012-03-23 | 2013-10-03 | Toshiba Corp | 有機電界発光素子及び照明装置 |
KR101461780B1 (ko) | 2012-03-23 | 2014-11-13 | 가부시끼가이샤 도시바 | 유기 전계 발광 소자 및 조명 장치 |
WO2015072000A1 (ja) * | 2013-11-14 | 2015-05-21 | 株式会社 東芝 | 有機電界発光素子、照明装置、照明システム及び有機電界発光素子の製造方法 |
JPWO2015072000A1 (ja) * | 2013-11-14 | 2017-03-09 | 株式会社東芝 | 有機電界発光素子、照明装置、照明システム及び有機電界発光素子の製造方法 |
US9653706B2 (en) | 2013-11-14 | 2017-05-16 | Kabushiki Kaisha Toshiba | Organic electroluminescent element, lighting device, lighting system, and method for manufacturing organic electroluminescent element |
Also Published As
Publication number | Publication date |
---|---|
GB0322498D0 (en) | 2003-10-29 |
JP4790210B2 (ja) | 2011-10-12 |
GB2426382B (en) | 2007-07-04 |
GB2426382A (en) | 2006-11-22 |
DE10344224A1 (de) | 2004-07-08 |
DE10344224B4 (de) | 2022-03-24 |
JP2004273420A (ja) | 2004-09-30 |
GB2395840B (en) | 2007-01-17 |
GB2395840A (en) | 2004-06-02 |
US7368659B2 (en) | 2008-05-06 |
JP5485207B2 (ja) | 2014-05-07 |
US20040099305A1 (en) | 2004-05-27 |
GB0612642D0 (en) | 2006-08-02 |
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