JP2019081954A - 超微細パターン蒸着装置、これを用いた超微細パターン蒸着方法及び超微細パターン蒸着方法によって製作された電界発光表示装置 - Google Patents
超微細パターン蒸着装置、これを用いた超微細パターン蒸着方法及び超微細パターン蒸着方法によって製作された電界発光表示装置 Download PDFInfo
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- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
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Abstract
Description
図1は、従来のパターン蒸着装置を簡略に示した図である。
図6は、本発明の第3実施形態に係る超微細パターン蒸着装置とターゲット基板を示した図である。
基板(Substrate)ベースの蒸着源アレイ(Source Array)を利用できるので、ファインメタルマスク(Fine Metal Mask)方式の根本的問題である重力によるマスクたるみ現象を克服することができ、大面積のRGB OLEDタイプ表示装置を実現することができる。
Claims (14)
- ベース基板と
前記ベース基板内に含まれ熱を発生させる加熱部と、
前記加熱部上に配置されたソース部と、
前記ソース部から放射されたソースを目的領域に案内するために内側にくぼんだ下部と、下部から外側に突出した上部とを含む開口部を有するパターンガイド部を含む超微細パターン蒸着装置。 - 前記パターンガイド部上に配置されたコーティング層をさらに含む、請求項1に記載の超微細パターン蒸着装置。
- 前記パターンガイド部に伝導された熱を下げるか、または
前記加熱部より低い温度条件で、前記のパターンガイド部を維持させる冷却部をさらに含む、請求項1に記載の超微細パターン蒸着装置。 - 前記パターンガイド部は
一つの層で構成されるか、少なくとも二つの層からなる、請求項1に記載の超微細パターン蒸着装置。 - 前記開口部は、
前記パターンガイド部と前記ベース基板との間の空間を形成し、
前記空間を形成する側壁と天井部分は直線形、非直線形、斜線形、円形、楕円形または多角形の形状をなす、請求項1に記載の超微細パターン蒸着装置。 - 前記加熱部は
外部から供給された電圧によって熱を発生させるヒータを含む、請求項1に記載の超微細パターン蒸着装置。 - 前記加熱部は、
外部から供給された電圧によって熱を発生させるヒータと、
前記加熱部上に配置され熱を伝導させる熱伝導層を含む、請求項1に記載の超微細パターン蒸着装置。 - 前記加熱部は、
外部から供給された電圧によって熱を発生させるヒータと、
前記加熱部上に配置され熱を伝導させる熱伝導層と、
前記ヒータ及び前記熱伝導層を密封する絶縁層とを含む、請求項1に記載の超微細パターン蒸着装置。 - 前記ヒータ、前記熱伝導層及び前記絶縁層の内、少なくとも一つは、前記ベース基板の一面に位置するか、前記ベース基板の内部に配置される、請求項8に記載の超微細パターン蒸着装置。
- 前記ヒータは、
ジグザグ型(Zigzag)、ブロック型(Block)、ライン型(Line)、スパイラル型(Spiral)または円形(Circular)の内、少なくとも一つに形成された請求項6に記載の超微細パターン蒸着装置。 - ベース基板内に含まれ熱を発生させる加熱部、前記加熱部上に配置されたソース部、前記ソース部から放射されたソースを目的領域に案内するために内側にくぼんだ下部と、前記下部から外側に突出した上部とを含む開口部を有するパターンガイド部を含む超微細パターン蒸着装置を用いた超微細パターン蒸着方法において、
前記超微細パターン蒸着装置を下部空間に配置し、ターゲット基板を上部空間に配置する段階と、
前記超微細パターン蒸着装置と前記ターゲット基板とを配置及び整列する段階と、
前記ターゲット基板のサブピクセル領域の発光領域に前記ソースが形成されるように、前記加熱部に電圧を供給してパターンを形成する段階を含む超微細パターン蒸着方法。 - 前記パターンガイド部は、
第1開口部を構成する部分と第2開口部を構成する部分を含み、
前記パターンを蒸着する段階は、第1次パターン蒸着段階と、第2次パターン蒸着段階を含む、請求項11に記載の超微細パターン蒸着方法。 - 前記第1次パターン蒸着時、前記第1開口部に存在するソース部は加熱部の動作によるソース放射が行われる反面、第2開口部に存在するソース部は加熱部の非動作によって、ソース放射が行われておらず、
前記第2次パターン蒸着時、前記第2開口部に存在するソース部は加熱部の動作によるソース放射が行われる反面、第1開口部に存在するソース部は加熱部の非動作によって、ソース放射が行われておらず、
前記第2次パターン蒸着時、前記超微細パターン蒸着装置は第1または第2開口部に基づいて一開口部分移動し、前記ターゲット基板は、第1ターゲット基板から第2ターゲット基板に変更される、請求項12に記載の超微細パターン蒸着方法 - 請求項11乃至請求項13の内、いずれか1項の超微細パターン蒸着方法によって製作された電界発光表示装置。
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