KR100660691B1 - 박막 트랜지스터, 회로장치, 액정 디스플레이, 반도체장치 및 그 제조방법 - Google Patents
박막 트랜지스터, 회로장치, 액정 디스플레이, 반도체장치 및 그 제조방법 Download PDFInfo
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/76—Unipolar devices, e.g. field effect transistors
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- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78618—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure
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Abstract
Description
Claims (18)
- 기판과,상기 기판상에 형성되며, 20도 이상의 개방각도이고, 1이상의 결정립계를 포함하고, 평면형상이 부채꼴 형상 또는 사다리꼴 형상인 1도전형 반도체층과,상기 부채꼴 형상 또는 사다리꼴 형상의 1도전형 반도체층의 장변 및/또는 단변에, 소스영역 및/또는 드레인영역은 전류가 상기 결정립계를 따라서 흐르도록 형성된 트랜지스터를 포함하는 것을 특징으로 하는 박막 반도체장치.
- 20도 이상의 개방각도이고, 1이상의 결정립계를 포함하고, 평면형상이 부채꼴 형상 또는 사다리꼴 형상인 결정화된 1도전형 반도체층과,상기 부채꼴 형상 또는 사다리꼴 형상의 1도전형 반도체층의 장변 및 단변에 소스영역 및 드레인영역이 서로 격리해서 형성된 소스영역 및 드레인영역과,상기 반도체층의 상측 또는 상기 반도체층의 하측에 절연막을 통해서 형성된 게이트전극을 포함하는 박막 트랜지스터로서,채널영역이 상기 소스영역 및 드레인영역간에 배치되며, 제 1 접합면이 상기 소스영역과 상기 채널영역의 사이를 신장하고 또한 제 1 접합면의 길이를 가지며, 또 제 2 접합면이 상기 채널영역과 상기 드레인영역의 사이를 신장하고 또한 제 2 접합면의 길이를 가지며,상기 제 1 접합면의 길이가 상기 제 2 접합면의 길이와 다른 트랜지스터를 포함하는 것을 특징으로 하는 박막 트랜지스터.
- 삭제
- 삭제
- 삭제
- 청구항 2에 있어서,상기 반도체층은 2이상의 결정립계를 포함하고, 각 결정립계는 상기 반도체층의 소스영역에서 드레인영역으로 향하는 방향 또는 상기 드레인영역에서 소스영역으로 향하는 방향으로 신장되고, 또 각 결정립계는 상기 사다리꼴 또는 상기 부채꼴의 개방각도에 대응해서 상기 반도체층의 면내 방향으로 신장되어 있는 것을 특징으로 하는 박막 트랜지스터.
- 청구항 2에 있어서,상기 반도체층은 2이상의 결정립계를 포함하고, 각 결정립계는 상기 반도체층의 소스영역에서 드레인영역으로 향하는 방향 또는 상기 드레인영역에서 소스영역으로 향하는 방향으로 신장되고, 또 서로 인접하는 2개의 결정립계는, 개방각도를 가지고 상기 반도체층의 면내 방향으로 신장되어 있는 것을 특징으로 하는 박막 트랜지스터.
- 청구항 2에 있어서,상기 반도체층은 2이상의 결정립계를 포함하고, 각 결정립계는 상기 반도체층의 소스영역에서 드레인영역으로 향하는 방향 또는 상기 드레인영역에서 소스영역으로 향하는 방향으로 신장되고, 또 서로 인접하는 2개의 결정립계는, 상기 반도체층의 면내 방향에 평행인 것을 특징으로 하는 박막 트랜지스터.
- 청구항 2에 있어서,상기 채널영역과 상기 소스영역의 접합면의 상기 길이의 중간위치와 상기 채널영역과 상기 드레인영역의 접합면의 상기 길이의 중간위치를 연결하는 가상선과, 상기 결정립계의 신장방향으로 신장되는 가상선이 이루는 각도와, 상기 채널영역과 상기 소스영역의 접합면의 상기 길이와 상기 채널영역과 상기 드레인영역의 접합면의 상기 길이에 의해 규정되는 개방각도와의 차가 20도 이상인 것을 특징으로 하는 박막 트랜지스터.
- 청구항 2에 기재된 박막 트랜지스터로서,상기 기판에 직접 또는 간접적으로 형성된 N형인 박막 트랜지스터와,상기 기판에 직접 또는 간접적으로 형성된 P형인 박막 트랜지스터를 포함하며,상기 N형의 박막 트랜지스터와 상기 P형의 박막 트랜지스터는 점대칭의 위치에 배치되어 있는 것을 특징으로 하는 회로장치.
- 청구항 2에 기재된 박막 트랜지스터를 포함하는 것을 특징으로 하는 액정 디스플레이.
- 삭제
- 삭제
- 삭제
- 청구항 2에 있어서,각 결정립계는 상기 사다리꼴 또는 상기 부채꼴의 개방각도에 대응해서 상기 반도체층의 면내 방향으로 신장되어 있는 것을 특징으로 하는 박막 트랜지스터.
- 기판과,상기 기판상에 직접 또는 간접적으로 형성된 아모르퍼스 실리콘막과,상기 아모르퍼스 실리콘막이 각 결정립계가 평행하게 신장되도록 결정화된 복수의 가늘고 긴 결정립 열(列)과,상기 결정립 열에 형성되며 활성층에 1이상의 결정립계를 가지는 박막 트랜지스터를 포함하는 것을 특징으로 하는 반도체장치.
- 청구항 16에 있어서,상기 박막 트랜지스터의 전자 또는 정공(正孔)의 이동하는 방향은, 활성층에 가지는 결정립계에 따르고 있는 것을 특징으로 하는 반도체장치.
- 기판상에 직접 또는 간접적으로 아모르퍼스 실리콘막을 형성하는 공정과,상기 아모르퍼스 실리콘막에 중심에서 약하고 또한 주변에 강한 광 강도를 가지는 레이저광을 조사하여 결정립계가 평행하게 신장되는 복수의 가늘고 긴 결정립의 열(列)을 형성하는 공정과,상기 결정립의 열에, 활성층에 1이상의 결정립계를 가지는 박막 트랜지스터를 형성하는 공정을 포함하는 것을 특징으로 하는 반도체장치의 제조방법.
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PCT/JP2003/002511 WO2003081676A1 (fr) | 2002-03-25 | 2003-03-04 | Transistor a film mince, systeme de circuit et afficheur a cristaux liquides |
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US9425251B2 (en) | 2013-11-08 | 2016-08-23 | Samsung Display Co., Ltd. | Thin film transistor substrate and organic light-emitting diode (OLED) display having the same |
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JP4496756B2 (ja) * | 2003-10-27 | 2010-07-07 | セイコーエプソン株式会社 | 電気光学装置および電子機器 |
KR100600341B1 (ko) * | 2004-11-17 | 2006-07-18 | 삼성에스디아이 주식회사 | 구동 트랜지스터 및 그것을 채용한 유기 발광 표시 장치 |
KR100624314B1 (ko) * | 2005-06-22 | 2006-09-19 | 삼성에스디아이 주식회사 | 발광표시장치 및 박막트랜지스터 |
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KR20070094527A (ko) * | 2006-03-17 | 2007-09-20 | 가부시키가이샤 에키쇼센탄 기쥬쓰 가이하쓰센타 | 결정화방법, 박막트랜지스터의 제조방법, 박막 트랜지스터,표시장치, 반도체장치 |
CA2758595A1 (en) * | 2009-04-17 | 2010-10-21 | The Board Of Trustees Of The University Of Illinois | Light emitting semiconductor methods and devices |
US9214568B2 (en) * | 2012-12-12 | 2015-12-15 | The Hong Kong University Of Science And Technology | Thin film transistor with two-dimensional doping array |
CN103985761B (zh) * | 2013-02-07 | 2017-04-12 | 群创光电股份有限公司 | 薄膜晶体管元件与薄膜晶体管显示装置 |
TWI621270B (zh) * | 2013-02-07 | 2018-04-11 | 群創光電股份有限公司 | 薄膜電晶體元件與薄膜電晶體顯示裝置 |
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JPS57172770A (en) * | 1981-04-16 | 1982-10-23 | Toshiba Corp | Insulating gate type field effect transistor |
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US5385865A (en) * | 1990-04-26 | 1995-01-31 | Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften | Method of generating active semiconductor structures by means of starting structures which have a 2D charge carrier layer parallel to the surface |
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JP3450376B2 (ja) * | 1993-06-12 | 2003-09-22 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
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US6528397B1 (en) * | 1997-12-17 | 2003-03-04 | Matsushita Electric Industrial Co., Ltd. | Semiconductor thin film, method of producing the same, apparatus for producing the same, semiconductor device and method of producing the same |
JP2000133807A (ja) * | 1998-10-22 | 2000-05-12 | Seiko Epson Corp | 多結晶シリコン薄膜トランジスタ |
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- 2003-03-04 KR KR1020047014924A patent/KR100660691B1/ko active IP Right Grant
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US9425251B2 (en) | 2013-11-08 | 2016-08-23 | Samsung Display Co., Ltd. | Thin film transistor substrate and organic light-emitting diode (OLED) display having the same |
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CN100365827C (zh) | 2008-01-30 |
TWI231603B (en) | 2005-04-21 |
US20050161738A1 (en) | 2005-07-28 |
US20070023759A1 (en) | 2007-02-01 |
CN1643699A (zh) | 2005-07-20 |
JP4524563B2 (ja) | 2010-08-18 |
US7608891B2 (en) | 2009-10-27 |
TW200304706A (en) | 2003-10-01 |
KR20040093175A (ko) | 2004-11-04 |
US7118946B2 (en) | 2006-10-10 |
JPWO2003081676A1 (ja) | 2005-08-25 |
WO2003081676A1 (fr) | 2003-10-02 |
JP2009158982A (ja) | 2009-07-16 |
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