JP2004282030A - 薄膜トランジスタ及びこれを備えた平板表示素子 - Google Patents
薄膜トランジスタ及びこれを備えた平板表示素子 Download PDFInfo
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- JP2004282030A JP2004282030A JP2004008469A JP2004008469A JP2004282030A JP 2004282030 A JP2004282030 A JP 2004282030A JP 2004008469 A JP2004008469 A JP 2004008469A JP 2004008469 A JP2004008469 A JP 2004008469A JP 2004282030 A JP2004282030 A JP 2004282030A
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- layer
- aluminum
- tft
- electrode
- titanium nitride
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/6737—Thin-film transistors [TFT] characterised by the electrodes characterised by the electrode materials
- H10D30/6739—Conductor-insulator-semiconductor electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
Landscapes
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
- Electrodes Of Semiconductors (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Physical Vapour Deposition (AREA)
Abstract
【解決手段】ソース電極、ドレーン電極、ゲート電極及び半導体層を備えた薄膜トランジスタ(TFT)であって、前記ソース電極、ドレーン電極及びゲート電極のうち何れか一つはアルミニウム系金属層、チタン層及びこれら間に介在された拡散防止層を備えたことを特徴とするTFTである。これにより、熱処理工程によるTiAl3の発生が抑制されて十分に低い抵抗を有するTFT導電要素を備えて、画素の応答速度及び画質が向上する。
【選択図】図6
Description
132、133 チタン層
134、135 拡散防止層
Claims (20)
- ソース電極、ドレーン電極、ゲート電極及び半導体層を備えた薄膜トランジスタにおいて、
前記ソース電極、ドレーン電極及びゲート電極のうち何れか一つはアルミニウム系金属層、チタン層及びこれら間に介在された拡散防止層を備えたことを特徴とする薄膜トランジスタ。 - 前記アルミニウム系金属層の両面には、前記拡散防止層とチタン層とが順に形成されたことを特徴とする請求項1に記載の薄膜トランジスタ。
- 前記拡散防止層は、窒化チタンよりなる窒化チタン層であることを特徴とする請求項1に記載の薄膜トランジスタ。
- 前記窒化チタン層には、15重量%ないし35重量%の窒素が含まれたことを特徴とする請求項3に記載の薄膜トランジスタ。
- 前記窒化チタン層は、約100Åないし600Åの厚さを有することを特徴とする請求項3に記載の薄膜トランジスタ。
- 前記窒化チタン層は、約100Åないし400Åの厚さを有することを特徴とする請求項5に記載の薄膜トランジスタ。
- 前記窒化チタン層は、約200Åないし400Åの厚さを有することを特徴とする請求項6に記載の薄膜トランジスタ。
- 前記窒化チタン層は、約300Åの厚さを有することを特徴とする請求項7に記載の薄膜トランジスタ。
- 前記アルミニウム系金属層は、シリコン、銅、ネオジム、白金、またはニッケルのうち選択された一元素を約1重量%ないし5重量%程度含むアルミニウム合金よりなることを特徴とする請求項1に記載の薄膜トランジスタ。
- 前記アルミニウム系金属層は、シリコンを約2重量%程度含むアルミニウムシリコン合金よりなることを特徴とする請求項9に記載の薄膜トランジスタ。
- ソース電極、ドレーン電極、ゲート電極及び半導体層を備えた薄膜トランジスタによって駆動されるサブピクセルを有する平板表示素子において、
前記ソース電極、ドレーン電極及びゲート電極のうち何れか一つは、アルミニウム系金属層、チタン層及びこれら間に介在された拡散防止層を備えたことを特徴とする薄膜トランジスタ。 - 前記アルミニウム系金属層の両面には、前記拡散防止層とチタン層とが順に形成されたことを特徴とする請求項11に記載の平板表示素子。
- 前記拡散防止層は、窒化チタンよりなる窒化チタン層であることを特徴とする請求項11に記載の平板表示素子。
- 前記窒化チタン層には、15重量%ないし35重量%の窒素が含まれたことを特徴とする請求項13に記載の平板表示素子。
- 前記窒化チタン層は、約100Åないし600Åの厚さを有することを特徴とする請求項13に記載の平板表示素子。
- 前記窒化チタン層は、約100Åないし400Åの厚さを有することを特徴とする請求項15に記載の平板表示素子。
- 前記窒化チタン層は、約200Åないし400Åの厚さを有することを特徴とする請求項16に記載の平板表示素子。
- 前記窒化チタン層は、約300Åの厚さを有することを特徴とする請求項17に記載の平板表示素子。
- 前記アルミニウム系金属層は、シリコン、銅、ネオジム、白金、またはニッケルのうち選択された一元素を約1重量%ないし5重量%程度含むアルミニウム合金よりなることを特徴とする請求項11に記載の平板表示素子。
- 前記アルミニウム系金属層は、シリコンを約2重量%程度含むアルミニウムシリコン合金よりなることを特徴とする請求項19に記載の平板表示素子。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20030015356 | 2003-03-12 | ||
| KR1020030063583A KR100553747B1 (ko) | 2003-03-12 | 2003-09-15 | 박막트랜지스터 및 이를 구비한 평판표시소자 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004282030A true JP2004282030A (ja) | 2004-10-07 |
| JP4038485B2 JP4038485B2 (ja) | 2008-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004008469A Expired - Lifetime JP4038485B2 (ja) | 2003-03-12 | 2004-01-15 | 薄膜トランジスタを備えた平板表示素子 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US7317206B2 (ja) |
| EP (1) | EP1458029A3 (ja) |
| JP (1) | JP4038485B2 (ja) |
| CN (1) | CN100419550C (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7683370B2 (en) | 2005-08-17 | 2010-03-23 | Kobe Steel, Ltd. | Source/drain electrodes, transistor substrates and manufacture methods, thereof, and display devices |
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| JP4038485B2 (ja) * | 2003-03-12 | 2008-01-23 | 三星エスディアイ株式会社 | 薄膜トランジスタを備えた平板表示素子 |
| US7791072B2 (en) * | 2004-11-10 | 2010-09-07 | Canon Kabushiki Kaisha | Display |
| JP4650224B2 (ja) * | 2004-11-19 | 2011-03-16 | 日亜化学工業株式会社 | 電界効果トランジスタ |
| KR100774950B1 (ko) * | 2006-01-19 | 2007-11-09 | 엘지전자 주식회사 | 전계발광소자 |
| US7781767B2 (en) * | 2006-05-31 | 2010-08-24 | Kobe Steel, Ltd. | Thin film transistor substrate and display device |
| US9419181B2 (en) * | 2013-05-13 | 2016-08-16 | Infineon Technologies Dresden Gmbh | Electrode, an electronic device, and a method for manufacturing an optoelectronic device |
| CN103779358A (zh) * | 2014-01-27 | 2014-05-07 | 京东方科技集团股份有限公司 | 一种阵列基板及其制作方法、显示装置 |
| US9548349B2 (en) | 2014-06-25 | 2017-01-17 | International Business Machines Corporation | Semiconductor device with metal extrusion formation |
| US9711350B2 (en) | 2015-06-03 | 2017-07-18 | Asm Ip Holding B.V. | Methods for semiconductor passivation by nitridation |
| CN105140199B (zh) * | 2015-08-11 | 2018-06-29 | 上海华虹宏力半导体制造有限公司 | 顶层金属薄膜结构以及铝制程工艺方法 |
| KR20190043194A (ko) * | 2017-10-17 | 2019-04-26 | 삼성디스플레이 주식회사 | 금속 배선 및 이를 포함하는 박막 트랜지스터 |
| KR102554830B1 (ko) | 2018-10-04 | 2023-07-13 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 제조 방법 |
| KR102839408B1 (ko) * | 2019-01-17 | 2025-07-28 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 제조 방법 |
| KR102819170B1 (ko) * | 2019-02-18 | 2025-06-12 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 제조 방법 |
| CN113629078A (zh) * | 2021-08-23 | 2021-11-09 | 京东方科技集团股份有限公司 | 导电结构层、显示面板及其制作方法 |
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-
2004
- 2004-01-15 JP JP2004008469A patent/JP4038485B2/ja not_active Expired - Lifetime
- 2004-01-28 EP EP04250453A patent/EP1458029A3/en not_active Ceased
- 2004-01-29 US US10/766,564 patent/US7317206B2/en not_active Expired - Lifetime
- 2004-03-12 CN CNB2004100399427A patent/CN100419550C/zh not_active Expired - Lifetime
-
2005
- 2005-08-19 US US11/206,901 patent/US20050285109A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7683370B2 (en) | 2005-08-17 | 2010-03-23 | Kobe Steel, Ltd. | Source/drain electrodes, transistor substrates and manufacture methods, thereof, and display devices |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4038485B2 (ja) | 2008-01-23 |
| CN100419550C (zh) | 2008-09-17 |
| CN1530726A (zh) | 2004-09-22 |
| US7317206B2 (en) | 2008-01-08 |
| EP1458029A3 (en) | 2006-03-15 |
| US20050072973A1 (en) | 2005-04-07 |
| EP1458029A2 (en) | 2004-09-15 |
| US20050285109A1 (en) | 2005-12-29 |
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