JP2005260206A - 垂直電界効果トランジスタ、それによる垂直電界効果トランジスタの製造方法及びそれを備える平板ディスプレイ装置 - Google Patents
垂直電界効果トランジスタ、それによる垂直電界効果トランジスタの製造方法及びそれを備える平板ディスプレイ装置 Download PDFInfo
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Abstract
【解決手段】基板1にソース電極2、絶縁層8、及び非連続的なゲート電極5が形成され、電荷キャリア遮断層4が形成され、有機半導体3及びドレイン電極6が形成される。ゲート電極5はナノ粒子13を使用して形成する。これによりフォトリソグラフィ及びシャドーマスクを使用する工程をなくすことができる。
【選択図】図3D
Description
Kudoら、「Thin Solid Fims,Vol 331(1998),pp51〜54」 Stutzmannら、「Science Vol 299(2003),pp1881〜1884」
2…ソース電極、
3…有機半導体材料、
4…電荷キャリア遮断層、
5…ゲート電極、
6…ドレイン電極、
8…絶縁層、
10…誘電体マトリックス材料、
13…ナノ粒子。
Claims (20)
- 基板の上部に第1電極を形成する段階と、
前記第1電極の一面上に絶縁層を形成する段階と、
前記絶縁層の上部にナノ粒子を使用して非連続的なゲート電極を形成する段階と、
前記非連続的なゲート電極の外面の少なくとも一部に電荷キャリア遮断層を形成する段階と、
少なくとも前記非連続的なゲート電極の非連続部を埋め込むように有機半導体層を形成する段階と、
前記有機半導体層及び前記非連続的なゲート電極の上部に第2電極を形成する段階と、を含むことを特徴とする垂直電界効果トランジスタの製造方法。 - 前記第1電極はソース電極であり、前記第2電極はドレイン電極であることを特徴とする請求項1に記載の垂直電界効果トランジスタの製造方法。
- 前記非連続的なゲート電極の形成段階は、
誘電体材料に金属ナノ粒子が散在した誘電体マトリックスを形成する段階と、
前記誘電体マトリックスを選択的にエッチングする段階と、を含むことを特徴とする請求項1に記載の垂直電界効果トランジスタの製造方法。 - 前記金属ナノ粒子は、Cr、Alのうち一つ以上であり、前記誘電体材料はSiOXであることを特徴とする請求項3に記載の垂直電界効果トランジスタの製造方法。
- 前記誘電体マトリックスは、前記金属ナノ粒子と誘電体材料とをカバー気体蒸着させることによって製造されることを特徴とする請求項3に記載の垂直電界効果トランジスタの製造方法。
- 前記非連続的なゲート電極の形成段階は、
ゲート電極の形成材料で連続的なゲート電極を形成する段階と、
前記連続的なゲート電極の上部に、マスクとしてのナノ粒子を配置する段階と、
少なくとも前記連続的なゲート電極の一部をエッチングする段階と、
前記マスクとしてのナノ粒子の分布を除去する段階と、を含むことを特徴とする請求項1に記載の垂直電界効果トランジスタの製造方法。 - 前記非連続的なゲート電極の形成段階は、
ゲート電極の形成材料で連続的なゲート電極を形成する段階と、
ナノ粒子サスペンションとして少なくとも前記連続的なゲート電極にグルーブを形成して非連続的なゲート電極を構造化させる段階と、を含むことを特徴とする請求項1に記載の垂直電界効果トランジスタの製造方法。 - 前記非連続的なゲート電極の形成段階は、
前記絶縁層の一面上にナノ粒子を配置する段階と、
前記ナノ粒子が内部に含まれるように前記絶縁層の上部に連続的なゲート電極を形成する段階と、
前記ナノ粒子を除去する段階と、を含むことを特徴とする請求項1に記載の垂直電界効果トランジスタの製造方法。 - 前記ナノ粒子を除去する段階は、
超音波バスでの洗浄剤によって機械的に除去される段階と、
エッチング除去される段階のうち少なくとも一段階と、を含むことを特徴とする請求項8に記載の垂直電界効果トランジスタの製造方法。 - 前記ナノ粒子を除去する段階は、前記ナノ粒子を熱分解する段階をさらに含むことを特徴とする請求項9に記載の垂直電界効果トランジスタの製造方法。
- 前記電荷キャリア層の形成段階は、前記非連続的なゲート電極の少なくとも一面を熱酸化、プラズマ酸化及び/または陽極酸化させる段階であることを特徴とする請求項1ないし10のうち何れか1項に記載の垂直電界効果トランジスタの製造方法。
- 前記第1電極の形成段階及び第2電極の形成段階は、高真空での気体蒸着またはスパッタリングを通じてなされ、
前記有機半導体層の形成段階は、高真空での気体蒸着または溶液からのスピンコーティングを通じてなされることを特徴とする請求項1ないし10のうち何れか1項に記載の垂直電界効果トランジスタの製造方法。 - 前記絶縁層の形成段階は、高真空での気体蒸着、スパッタリングまたは化学気相蒸着を通じてなされることを特徴とする請求項1ないし10のうち何れか1項に記載の垂直電界効果トランジスタの製造方法。
- 基板と、
前記基板の一面の上部に形成された第1電極と、
前記第1電極の一面の少なくとも一部に形成された絶縁層と、
前記絶縁層の一面上に形成され、隣接導電層との絶縁のために外側の少なくとも一部に電荷キャリア遮断層としての酸化層を備え、非連続的に形成されるゲート電極と、
少なくとも前記非連続的なゲート電極間に配置される有機半導体層と、
前記非連続的なゲート電極及び前記有機半導体層の上部に形成される第2電極と、を含むことを特徴とする垂直電界効果トランジスタ。 - 前記ゲート電極は、金属ナノ粒子より構成されることを特徴とする請求項14に記載の垂直電界効果トランジスタ。
- 前記ゲート電極は、Al及びCrのうち一つ以上を含むことを特徴とする請求項14に記載の垂直電界効果トランジスタ。
- 基板と、
前記基板の一面の上部に形成された薄膜トランジスタ層と、
前記薄膜トランジスタ層の一面上に形成された薄膜トランジスタ絶縁層と、
前記薄膜トランジスタ絶縁層に形成されたビアホールを通じて電気的に連結される、一つ以上の画素を備える画素層と、を含む平板ディスプレイ装置であって、
前記薄膜トランジスタ層には一つ以上の垂直電界効果トランジスタが備わるが、前記垂直電界効果トランジスタは、
第1電極と、
前記第1電極の一面の少なくとも一部に形成された絶縁層と、
前記絶縁層の一面上に形成され、前記絶縁層と接する面の少なくとも一部以外の残りの一面に電荷キャリア遮断層としての酸化層を備え、非連続的に形成されるゲート電極と、
少なくとも前記非連続的なゲート電極間に配置される有機半導体層と、
前記非連続的なゲート電極及び前記有機半導体層の上部に形成される第2電極と、を含むことを特徴とする平板ディスプレイ装置。 - 前記ゲート電極は、金属ナノ粒子より構成されることを特徴とする請求項17に記載の平板ディスプレイ装置。
- 前記ゲート電極は、Al及びCrのうち一つ以上を含むことを特徴とする請求項17に記載の平板ディスプレイ装置。
- 前記画素層に備わる画素の少なくとも一部は、
前記薄膜トランジスタ層と電気的に連結される第1電極層と、
前記第1電極層の一面上に形成される電界発光部と、
少なくとも前記電界発光部の上部に形成される第2電極層と、を含むことを特徴とする請求項17に記載の平板ディスプレイ装置。
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EP04090102A EP1577964B1 (de) | 2004-03-11 | 2004-03-11 | Verfahren zur Herstellung eines organischen, vertikalen Feldeffekttransistors |
KR1020040052917A KR100602259B1 (ko) | 2004-03-11 | 2004-07-08 | 수직 전계-효과 트랜지스터, 이에 의한 수직 전계-효과트랜지스터 제조 방법 및 이를 구비하는 평판 디스플레이장치 |
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CN108987423B (zh) * | 2017-06-05 | 2023-09-12 | 三星电子株式会社 | 显示装置 |
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JP3593212B2 (ja) * | 1996-04-27 | 2004-11-24 | 株式会社半導体エネルギー研究所 | 表示装置 |
US5676853A (en) * | 1996-05-21 | 1997-10-14 | Micron Display Technology, Inc. | Mask for forming features on a semiconductor substrate and a method for forming the mask |
US6228538B1 (en) * | 1998-08-28 | 2001-05-08 | Micron Technology, Inc. | Mask forming methods and field emission display emitter mask forming methods |
DE19933564C1 (de) * | 1999-07-16 | 2001-01-25 | Infineon Technologies Ag | Verfahren zur Herstellung eines Vertikal-Halbleitertransistorbauelements und Vertikal-Halbleitertransistorbauelement |
WO2001006570A1 (de) * | 1999-07-20 | 2001-01-25 | Infineon Technologies Ag | Nichtflüchtige halbleiterspeicherzelle und verfahren zur herstellung derselben |
CN1407947A (zh) | 2000-03-16 | 2003-04-02 | 松下电器产业株式会社 | 细微构造体的精密加工方法 |
US6884093B2 (en) * | 2000-10-03 | 2005-04-26 | The Trustees Of Princeton University | Organic triodes with novel grid structures and method of production |
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JP4100351B2 (ja) * | 2004-02-09 | 2008-06-11 | セイコーエプソン株式会社 | 薄膜トランジスタの製造方法 |
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Cited By (7)
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WO2007094164A1 (ja) * | 2006-02-14 | 2007-08-23 | Nec Corporation | 有機薄膜トランジスタ及びその製造方法 |
KR101174769B1 (ko) | 2006-06-30 | 2012-08-17 | 엘지디스플레이 주식회사 | 박막트랜지스터의 제조방법 및 이를 이용한 tft 어레이기판의 제조방법 |
JP2009076891A (ja) * | 2007-08-31 | 2009-04-09 | Dainippon Printing Co Ltd | 縦型有機トランジスタ、その製造方法及び発光素子 |
GB2465122A (en) * | 2007-08-31 | 2010-05-12 | Dainippon Printing Co Ltd | Vertical organic transistor, method for manufacturing vertical organic transistor, and light emitting element |
GB2465122B (en) * | 2007-08-31 | 2012-04-18 | Dainippon Printing Co Ltd | Laminated organic transistor, method for manufacturing the laminated organic transistor, and light emitting element |
US8564130B2 (en) | 2007-08-31 | 2013-10-22 | Dai Nippon Printing Co., Ltd. | Vertical organic transistor, method for manufacturing the vertical organic transistor, and light emitting element |
JP2012514242A (ja) * | 2008-12-30 | 2012-06-21 | スリーエム イノベイティブ プロパティズ カンパニー | ナノ構造化表面を製造する方法 |
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CN1667805A (zh) | 2005-09-14 |
JP4425774B2 (ja) | 2010-03-03 |
US20050202587A1 (en) | 2005-09-15 |
CN1667805B (zh) | 2010-11-10 |
US7285795B2 (en) | 2007-10-23 |
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