KR20080090697A - 평판 디스플레이용 박막 트랜지스터 및 그 제조방법 - Google Patents
평판 디스플레이용 박막 트랜지스터 및 그 제조방법 Download PDFInfo
- Publication number
- KR20080090697A KR20080090697A KR1020070033840A KR20070033840A KR20080090697A KR 20080090697 A KR20080090697 A KR 20080090697A KR 1020070033840 A KR1020070033840 A KR 1020070033840A KR 20070033840 A KR20070033840 A KR 20070033840A KR 20080090697 A KR20080090697 A KR 20080090697A
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- KR
- South Korea
- Prior art keywords
- thin film
- semiconductor layer
- film transistor
- flat panel
- doped region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
-
- 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
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
- H10D30/6733—Multi-gate TFTs
-
- 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]
- H10D30/6757—Thin-film transistors [TFT] characterised by the structure of the channel, e.g. transverse or longitudinal shape or doping profile
Landscapes
- Thin Film Transistor (AREA)
Abstract
Description
Claims (10)
- 절연막이 증착된 기판;상기 절연막 상에 폭과 길이를 가진 층으로서, U자 형상의 도핑 영역과 상기 도핑 영역 사이에 채널 영역이 형성된 반도체층;상기 반도체층 상에 형성된 게이트 절연층;상기 게이트 절연층 상에 상기 도핑 영역을 가로지르도록 형성된 게이트 전극; 및상기 게이트 전극의 일부로서, 상기 채널 영역에 대향하여 상기 게이트 절연층 상에 형성되는 돌출부를 포함하는 평면 디스플레이용 박막 트랜지스터
- 제 1 항에 있어서,상기 절연막은 SiO2 또는 SiNx인 평면 디스플레이용 박막 트랜지스터
- 제 1 항에 있어서,상기 반도체층은 비정질 실리콘 또는 다결정 실리콘으로 형성된 평면 디스플레이용 박막 트랜지스터
- 제 1 항에 있어서,상기 절연층은 SiO2 또는 SiNx인 평면 디스플레이용 박막 트랜지스터
- 제 1 항에 있어서,상기 게이트 전극은 Mo 또는 MoW인 평면 디스플레이용 박막 트랜지스터
- 기판 위에 절연막을 증착하는 단계;상기 절연막 상에 폭과 길이를 가진 층으로서, U자 형상의 도핑 영역과 상기 도핑 영역 사이에 채널 영역이 존재하는 반도체층을 형성하는 단계;상기 반도체층 상에 게이트 절연층을 형성하는 단계;상기 게이트 절연층 상에 상기 도핑 영역을 가로지르도록 게이트 전극을 형성하는 단계; 및상기 게이트 전극의 일부로서, 상기 채널 영역에 대향하여 상기 게이트 절연층 상에 돌출부를 형성하는 단계를 포함하는 평면 디스플레이용 박막 트랜지스터의 제조방법
- 제 6 항에 있어서,상기 절연막은 SiO2 또는 SiNx인 평면 디스플레이용 박막 트랜지스터
- 제 6 항에 있어서,상기 반도체층은 비정질 실리콘 또는 다결정 실리콘으로 형성된 평면 디스플레이용 박막 트랜지스터
- 제 6 항에 있어서,상기 절연층은 SiO2 또는 SiNx인 평면 디스플레이용 박막 트랜지스터
- 제 6 항에 있어서,상기 게이트 전극은 Mo 또는 MoW인 평면 디스플레이용 박막 트랜지스터
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070033840A KR100873702B1 (ko) | 2007-04-05 | 2007-04-05 | 평판 디스플레이용 박막 트랜지스터 및 그 제조방법 |
US11/949,953 US7622739B2 (en) | 2007-04-05 | 2007-12-04 | Thin film transistor for flat panel display and method of fabricating the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070033840A KR100873702B1 (ko) | 2007-04-05 | 2007-04-05 | 평판 디스플레이용 박막 트랜지스터 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080090697A true KR20080090697A (ko) | 2008-10-09 |
KR100873702B1 KR100873702B1 (ko) | 2008-12-12 |
Family
ID=39826169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070033840A Expired - Fee Related KR100873702B1 (ko) | 2007-04-05 | 2007-04-05 | 평판 디스플레이용 박막 트랜지스터 및 그 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7622739B2 (ko) |
KR (1) | KR100873702B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102013893B1 (ko) | 2012-08-20 | 2019-08-26 | 삼성디스플레이 주식회사 | 평판표시장치 및 그의 제조방법 |
CN109873037A (zh) * | 2019-03-20 | 2019-06-11 | 京东方科技集团股份有限公司 | 薄膜晶体管及其制备方法、显示装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07263536A (ja) | 1994-03-18 | 1995-10-13 | Fujitsu Ltd | 半導体装置 |
CN1161646C (zh) * | 1994-06-02 | 2004-08-11 | 株式会社半导体能源研究所 | 有源矩阵显示器和电光元件 |
JP3520401B2 (ja) | 1996-09-17 | 2004-04-19 | セイコーエプソン株式会社 | 液晶パネル用基板およびそれを用いた液晶パネル並びに投射型表示装置 |
KR100274546B1 (ko) * | 1998-08-21 | 2000-12-15 | 윤종용 | 박막 트랜지스터 및 그 제조 방법 |
JP2001196594A (ja) * | 1999-08-31 | 2001-07-19 | Fujitsu Ltd | 薄膜トランジスタ、液晶表示用基板及びその製造方法 |
KR20030002051A (ko) | 2001-06-30 | 2003-01-08 | 주식회사 하이닉스반도체 | 콘택홀 형성 방법 |
JP2004165241A (ja) * | 2002-11-11 | 2004-06-10 | Sanyo Electric Co Ltd | 半導体装置及びその製造方法 |
TWI230462B (en) * | 2003-09-15 | 2005-04-01 | Toppoly Optoelectronics Corp | Thin film transistor structure with self-aligned intra-gate |
JP2005157220A (ja) | 2003-11-28 | 2005-06-16 | Seiko Epson Corp | 電気光学装置および電子機器 |
KR20050070909A (ko) | 2003-12-31 | 2005-07-07 | 엘지.필립스 엘시디 주식회사 | 액정표시장치용 어레이 기판 |
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2007
- 2007-04-05 KR KR1020070033840A patent/KR100873702B1/ko not_active Expired - Fee Related
- 2007-12-04 US US11/949,953 patent/US7622739B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7622739B2 (en) | 2009-11-24 |
US20080246034A1 (en) | 2008-10-09 |
KR100873702B1 (ko) | 2008-12-12 |
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