JP5590772B2 - 電子デバイス、およびそれを形成するためのプロセス - Google Patents
電子デバイス、およびそれを形成するためのプロセス Download PDFInfo
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Description
以下で説明される実施形態の詳細を扱う前、いくつかの用語を定義または明確化する。
特定の実施形態において、電子デバイスが、有機電子構成要素のアレイと、開口部および開口部を接続するチャネルを有する構造とを含む。開口部の各々は、平面図から見ると有機電子構成要素の各々の周囲に対応する。構造は、断面図から見ると開口部において負の勾配を有する。各有機電子構成要素は、有機活性層を含む1つまたは複数の層によって分離された第1および第2の電極(たとえば、アノードおよびカソード)を含むことができる。一実施形態において、例示的な電子デバイスは、また、少なくとも部分的にチャネル内に配置されたチャネル構造などの、正の勾配を有する第2の構造を含むことができる。
電子デバイスを形成するための例示的なプロセスが、基板の上にあり、かつ断面斜視図から負の勾配を有する1つまたは複数の構造を形成することを含む。アクティブマトリックスディスプレイを形成するために用いることができる1つの例示的なプロセスが、図2から図11に示されている。このプロセスの変形を、他の電子デバイスを形成するために用いることができる。
電子デバイスを、代わりに、図11に示されているように、チャネル構造の形成なしで、形成することができる。ウェル構造1910は、開口部1912およびチャネル1914を画定する。チャネル1914の幅は、液体組成物ウィッキングを制限し、かつ液体組成物流動を制限するように調整することができる。一般に、より狭いチャネルが、よりウィッキングをもたらしやすく、より広いチャネルが、液体組成物流動を助ける。中くらいの幅のチャネルが、液体ウィッキングおよび液体組成物流動の両方を制限する。さらなる例示的な実施形態において、ウェル構造1910を、1つを超える層または構造から形成することができる。
1つの特定の実施形態において、開口部と、チャネルと、任意にチャネル構造とを含むパターニングされたウェル構造は、隣接した有機電子構成要素の間の導電経路を提供する電極の形成を促進する。これらの構造は、カソードなどの電極を形成するのに有用な垂直入射角堆積技術と適合性がある。典型的には、これらの堆積技術は、より高価でなく、いくつかの例において、より迅速であり、より高価でない電子デバイスおよび向上された製造速度をもたらす。
Claims (16)
- 複数の有機電子構成要素を含む電子デバイスであって、
前記電子デバイスは基板と、前記基板上に形成されたウェル構造とを含み、
前記ウェル構造は配列された開口部を画定し、
各開口部は第1の電極を有し、
チャネル構造が直接前記基板の上にあり、
断面図において、前記開口部は負の勾配を有し、
断面図において、前記チャネル構造が正の勾配を有し、
平面図において、前記開口部はそれぞれ前記有機電子構成要素に対応し、2つの隣接した前記開口部はチャネルにより接続され、
前記チャネル構造は二つのすぐ隣接した開口部の間であり、前記チャネル内に配置され、
前記チャネルは該開口部の幅よりも小さい幅を有し、
各開口部内で前記第1の電極は前記チャネル構造でなく前記ウェル構造と接触することを特徴とする電子デバイス。 - 前記2つの隣接した開口部および前記チャネルに第2の電極をさらに含み、前記第2の電極は、前記2つの隣接した開口部の間に前記第2の電極に沿った導電経路を提供することを特徴とする請求項1に記載の電子デバイス。
- 前記第2の電極が、前記配列された開口部の一方向に沿って、有機電子構成要素間に導電経路を形成することを特徴とする請求項2に記載の電子デバイス。
- 前記配列された開口部が長さを有し、前記長さが前記幅に実質的に垂直であり、前記幅が前記長さ以下であることを特徴とする請求項1に記載の電子デバイス。
- 断面図において、前記チャネル構造の高さが、前記ウェル構造の高さより低いことを特徴とする請求項1に記載の電子デバイス。
- 前記ウェル構造の一部が、前記チャネル構造の一部の上にあることを特徴とする請求項1に記載の電子デバイス。
- 前記チャネル構造の表面が疎水性であることを特徴とする請求項1に記載の電子デバイス。
- 複数の有機電子構成要素を含む電子デバイスであって、
前記電子デバイスは、基板と、前記基板の上に第1の構造および第2の構造を含み、
前記第1の構造は配列された開口部を画定し、
断面図において、前記第1の構造が前記開口部で負の勾配を有し、
断面図において、前記第2の構造が正の勾配を有し、
平面図において、開口部はそれぞれ前記有機電子構成要素に対応し、
各開口部は第1の電極を有し、
2つの隣接した前記開口部がチャネルによって接続され、
前記第2の構造は前記2つの隣接した開口部の間で直接前記基板の上にあり、かつ前記チャネル内に配置され、
各開口部内で前記第1の電極が第2の構造でなく、第1の構造と接触することを特徴とする電子デバイス。 - 断面図において、前記第2の構造の高さが前記第1の構造の高さより低いことを特徴とする請求項8に記載の電子デバイス。
- 前記2つの隣接した開口部内および前記第2の構造の上にある第2の電極をさらに含み、前記第2の電極は、前記2つの隣接した開口部の間に前記第2の電極に沿って導電経路を提供することを特徴とする請求項8に記載の電子デバイス。
- 前記第2の構造の表面が疎水性であることを特徴とする請求項8に記載の電子デバイス。
- 前記有機構成要素が、実質的に各開口部内にある有機活性層を含むことを特徴とする請求項8に記載の電子デバイス。
- 各開口部が幅を有し、前記チャネルの幅が各開口部の幅より小さいことを特徴とする請求項8に記載の電子デバイス。
- 複数の有機電子構成要素を含む電子デバイスを形成するための方法であって、
基板の上にウェル構造を形成する工程であって、前記ウェル構造が配列された開口部を画定し、
チャネル構造が直接前記基板の上に形成され、
断面図において、前記開口部は負の勾配を有し、
平面図において、前記開口部はそれぞれ前記有機電子構成要素に対応し、
各開口部は第1の電極を含み、
2つの隣接した前記開口部は該開口部の幅より小さい幅を有するチャネルによって接続され、前記チャネル構造は二つのすぐ隣接した開口部の間であり、前記チャネル内に配置され、
前記チャネルは該開口部の幅よりも小さい幅を有し、
各開口部内で前記第1の電極は前記チャネル構造でなく前記ウェル構造と接触する工程と、
前記開口部内に有機活性層を堆積させる工程と
を含むことを特徴とする方法。 - 前記2つの隣接した開口部内および前記チャネル内にある第2の電極を形成する工程をさらに含み、前記2つの隣接した開口部内および前記チャネル内にある前記第2の電極の部分が互いに接続され、前記第2の電極が前記2つの隣接した開口部の間に前記第2の電極に沿って導電経路を形成する工程をさらに含むことを特徴とする請求項14に記載の方法。
- 前記チャネル構造の表面を処理して、前記表面を疎水性にする工程をさらに含むことを特徴とする請求項14に記載の方法。
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US64050204P | 2004-12-30 | 2004-12-30 | |
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US11/134,100 | 2005-05-20 | ||
US11/134,100 US7166860B2 (en) | 2004-12-30 | 2005-05-20 | Electronic device and process for forming same |
PCT/US2005/047514 WO2006072019A2 (en) | 2004-12-30 | 2005-12-29 | Electronic device and process for forming same |
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KR101433944B1 (ko) | 2014-08-25 |
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US20060145143A1 (en) | 2006-07-06 |
WO2006072019A2 (en) | 2006-07-06 |
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