JP5174322B2 - アクティブマトリクス表示装置の製造方法 - Google Patents
アクティブマトリクス表示装置の製造方法 Download PDFInfo
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- JP5174322B2 JP5174322B2 JP2005516083A JP2005516083A JP5174322B2 JP 5174322 B2 JP5174322 B2 JP 5174322B2 JP 2005516083 A JP2005516083 A JP 2005516083A JP 2005516083 A JP2005516083 A JP 2005516083A JP 5174322 B2 JP5174322 B2 JP 5174322B2
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- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
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Description
Claims (9)
- 絶縁性基板上にゲート電極およびゲート配線を形成する工程と、前記ゲート電極と前記ゲート配線とを覆うように絶縁膜を形成する工程と、該絶縁膜上に半導体層を選択的に形成する工程と、該半導体層上に平坦化層を形成する工程と、該平坦化層の一部を選択的に除去して前記半導体層に達する溝を形成する工程と、前記溝内に前記半導体層に達する配線部を前記配線部の表面と前記平坦化層の表面とが実質的に同一平面となるように形成する工程と、前記配線部の表面と前記平坦化層の表面とで形成される前記平面上に平面状の層間絶縁膜を形成する工程と、該層間絶縁膜上に平面状の画素電極を形成する工程とを有することを特徴とするアクティブマトリクス表示装置の製造方法。
- 前記配線形成補助層はリフトオフ層、触媒層、撥水層のいずれかであることを特徴とする請求項1に記載のアクティブマトリクス表示装置の製造方法。
- 請求項1に記載のアクティブマトリクス表示装置の製造方法において、前記半導体層を選択的に形成する工程は、第1半導体の層を形成する工程と、前記第1半導体とは導電率の異なる第2半導体の層を前記第1半導体の層上に積層する工程と、第1半導体および第2半導体の積層膜上にフォトレジストを積層する工程と、前記フォトレジストのうち予め定められた素子領域上以外の部分の厚さ全体と該素子領域内のチャネルとなる領域上の部分の膜厚の一部とを除去する工程と、残余のフォトレジストをマスクとして前記第1および第2半導体の積層膜のうち前記素子領域以外の部分および前記チャネルとなる領域上の前記第2半導体の層を選択的にエッチング除去する工程と、前記第1半導体の層のうち該チャネルとなる領域に選択的に保護膜を形成する工程とを含むことを特徴とするアクティブマトリクス表示装置の製造方法。
- 請求項3に記載のアクティブマトリクス表示装置の製造方法において、前記フォトレジストを除去する工程は、前記チャンネルとなる領域上のフォトレジストの残存厚さが素子領域の他の部分上の残存膜厚に比べ薄くなるように露光量を調整して該フォトレジストを露光する工程と、露光された該フォトレジストを現像し素子領域部以外のフォトレジストを除去してパターン状のフォトレジストを得る工程とを含み、前記保護膜を形成する工程は、前記パターン状のフォトレジストのうち前記半導体の選択的除去工程を経て残存する部分をマスクとして用いることを特徴とするアクティブマトリクス表示装置の製造方法。
- 請求項3に記載のアクティブマトリクス表示装置の製造方法において、前記保護膜を形成する工程は直接窒化法であることを特徴とするアクティブマトリクス表示装置の製造方法。
- 請求項1に記載のアクティブマトリクス表示装置の製造方法において、前記配線材料を溝内に充填する工程はスパッタ法、CVD法、めっき法、印刷法のいずれかによって行われることを特徴とするアクティブマトリクス表示装置の製造方法。
- 請求項6に記載のアクティブマトリクス表示装置の製造方法において、前記印刷法はインクジェット印刷法またはスクリーン印刷法であることを特徴とするアクティブマトリクス表示装置の製造方法。
- 請求項1に記載のアクティブマトリクス表示装置の製造方法において、前記層間絶縁膜にコンタクトホールを形成する工程を更に有することを特徴とするアクティブマトリクス表示装置の製造方法。
- 請求項8に記載のアクティブマトリクス表示装置の製造方法において、前記層間絶縁膜を感光性透明樹脂を用いて形成し、該感光性透明樹脂を露光及び現像することにより前記コンタクトホールを形成することを特徴とするアクティブマトリクス表示装置の製造方法。
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PCT/JP2004/017557 WO2005057530A1 (ja) | 2003-11-28 | 2004-11-26 | 薄膜トランジスタ集積回路装置、アクティブマトリクス表示装置及びそれらの製造方法 |
JP2005516083A JP5174322B2 (ja) | 2003-11-28 | 2004-11-26 | アクティブマトリクス表示装置の製造方法 |
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US (1) | US8064003B2 (ja) |
EP (1) | EP1691340A4 (ja) |
JP (1) | JP5174322B2 (ja) |
KR (2) | KR20080042900A (ja) |
CN (1) | CN1886770B (ja) |
TW (1) | TW200524169A (ja) |
WO (1) | WO2005057530A1 (ja) |
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Also Published As
Publication number | Publication date |
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TW200524169A (en) | 2005-07-16 |
WO2005057530A1 (ja) | 2005-06-23 |
CN1886770A (zh) | 2006-12-27 |
JPWO2005057530A1 (ja) | 2007-12-13 |
EP1691340A4 (en) | 2012-06-27 |
KR20060105802A (ko) | 2006-10-11 |
US20070222933A1 (en) | 2007-09-27 |
CN1886770B (zh) | 2011-02-09 |
US8064003B2 (en) | 2011-11-22 |
KR20080042900A (ko) | 2008-05-15 |
EP1691340A1 (en) | 2006-08-16 |
KR100846006B1 (ko) | 2008-07-11 |
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