KR100626134B1 - 박막 트랜지스터, 액티브 매트릭스 기판, 표시 장치 및전자 기기 - Google Patents
박막 트랜지스터, 액티브 매트릭스 기판, 표시 장치 및전자 기기 Download PDFInfo
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- 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
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66757—Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the gate
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- H01L27/12—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
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- H—ELECTRICITY
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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
- H01L29/78606—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
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- H01L29/78621—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 with LDD structure or an extension or an offset region or characterised by the doping profile
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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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
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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 (13)
- 절연 기판 상에 형성된 반도체층과, 게이트 절연막과, 게이트 전극과, 상기 반도체층에 접속되는 드레인 전극 및 소스 전극을 구비하는 박막 트랜지스터로서,상기 반도체층은, 불순물이 고농도로 확산된 고농도 불순물 영역;상기 고농도 불순물 영역의 게이트 전극측에 형성되어 불순물이 저농도로 확산된 저농도 불순물 영역; 및상기 저농도 불순물 영역의 게이트 전극측에 형성되어, 불순물이 미량 확산된 영역, 또는 불순물을 포함하지 않는 진성 반도체 영역으로 된 오프셋 영역을 가지고,상기 고농도 불순물 영역에는 소스 전극 또는 드레인 전극을 접속하고,상기 반도체층 상에는 상기 게이트 전극을, 상기 게이트 절연막을 통해서 상기 반도체층의 상기 고농도 불순물 영역, 저농도 불순물 영역, 및 오프셋 영역의 어느 것에도 겹치지 않도록 설치하는 것을 특징으로 하는 박막 트랜지스터.
- 제 1 항에 있어서,상기 고농도 불순물 영역에는 N 형 불순물이 고농도로 확산되어 있으며,상기 저농도 불순물 영역에는 N 형 불순물이 저농도로 확산되어 있으며,상기 오프셋 영역은, P 형 불순물을 미량 농도로 확산시켜 이루어지는 영역이거나, 또는 진성 반도체 영역이며,N 채널형인 것을 특징으로 하는 박막 트랜지스터.
- 제 1 항에 있어서,상기 고농도 불순물 영역에는 P 형 불순물이 고농도로 확산되어 있으며,상기 저농도 불순물 영역에는 P 형 불순물이 저농도로 확산되어 있으며,상기 오프셋 영역은, N 형 불순물을 미량 농도로 확산시켜 이루어지는 영역이거나, 또는 진성 반도체 영역이며,P 채널형인 것을 특징으로 하는 박막 트랜지스터.
- 제 1 항에 있어서,상기 게이트 전극과 전기적으로 접속되고, 상기 게이트 전극 상에 층간 절연막을 통해서 상기 반도체층의 오프셋 영역을 평면적으로 덮도록 형성된 제 2 게이트 전극을 더 구비하는 것을 특징으로 하는 박막 트랜지스터.
- 제 4 항에 있어서,상기 제 2 게이트 전극이 상기 고농도 불순물 영역보다 내측에 형성되어 있는 것을 특징으로 하는 박막 트랜지스터.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,상기 게이트 전극을 복수개 구비하는 것을 특징으로 하는 박막 트랜지스터.
- 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 박막 트랜지스터를 구비하는 것을 특징으로 하는 액티브 매트릭스 기판.
- 제 7 항에 기재된 액티브 매트릭스 기판을 구비한 것을 특징으로 하는 표시 장치.
- 복수의 주사선;복수의 데이터선;상기 복수의 주사선 및 상기 복수의 데이터선의 교점에 각각 배치된 박막 트랜지스터 및 화소 전극;상기 복수의 데이터선에 데이터를 공급하는 데이터선 구동 회로; 및상기 복수의 주사선에 주사 신호를 공급하는 주사선 구동 회로를 구비하고,상기 데이터선 구동 회로는 셀렉트 신호에 대응하여 하나의 화상 신호선으로부터의 화상 신호를 복수의 데이터선에 선택 출력하는 멀티플렉서 회로를 갖고, 상기 복수의 주사선 및 상기 복수의 데이터선의 교점에 각각 배치된 박막 트랜지스터는 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 박막 트랜지스터로 이루어지는 것을 특징으로 하는 표시 장치.
- 복수의 주사선;복수의 데이터선;상기 복수의 주사선 및 상기 복수의 데이터선의 교점에 각각 배치된 박막 트랜지스터 및 화소 전극;상기 복수의 데이터선에 데이터를 공급하는 데이터선 구동 회로; 및상기 복수의 주사선에 주사 신호를 공급하는 주사선 구동 회로를 구비하고,상기 데이터선 구동 회로는 셀렉트 신호에 대응하여 하나의 화상 신호선으로부터의 화상 신호를 복수의 데이터선에 선택 출력하는 멀티플렉서 회로를 갖고,상기 멀티플렉서 회로의 박막 트랜지스터는 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 박막 트랜지스터로 이루어지는 것을 특징으로 하는 표시 장치.
- 제 8 항에 기재된 표시 장치를 구비하는 것을 특징으로 하는 전자 기기.
- 제 9 항에 기재된 표시 장치를 구비하는 것을 특징으로 하는 전자 기기.
- 제 10 항에 기재된 표시 장치를 구비하는 것을 특징으로 하는 전자 기기.
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JP2003277136 | 2003-07-18 | ||
JPJP-P-2003-00277136 | 2003-07-18 | ||
JP2004127734A JP2005057242A (ja) | 2003-07-18 | 2004-04-23 | 薄膜トランジスタ、アクティブマトリクス基板、表示装置、及び電子機器 |
JPJP-P-2004-00127734 | 2004-04-23 |
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KR20050009667A KR20050009667A (ko) | 2005-01-25 |
KR100626134B1 true KR100626134B1 (ko) | 2006-09-21 |
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US (1) | US20050036080A1 (ko) |
JP (1) | JP2005057242A (ko) |
KR (1) | KR100626134B1 (ko) |
CN (1) | CN1577893A (ko) |
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KR100595456B1 (ko) * | 2003-12-29 | 2006-06-30 | 엘지.필립스 엘시디 주식회사 | 액정표시소자의 제조방법 |
JP4876548B2 (ja) * | 2005-11-22 | 2012-02-15 | セイコーエプソン株式会社 | 電気光学装置の製造方法 |
JP2007226175A (ja) * | 2006-01-26 | 2007-09-06 | Epson Imaging Devices Corp | 液晶装置及び電子機器 |
KR100978263B1 (ko) * | 2006-05-12 | 2010-08-26 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
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- 2004-04-23 JP JP2004127734A patent/JP2005057242A/ja not_active Withdrawn
- 2004-06-28 TW TW093118874A patent/TWI244213B/zh not_active IP Right Cessation
- 2004-07-02 KR KR1020040051557A patent/KR100626134B1/ko active IP Right Grant
- 2004-07-02 US US10/882,279 patent/US20050036080A1/en not_active Abandoned
- 2004-07-16 CN CNA2004100690840A patent/CN1577893A/zh active Pending
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CN1577893A (zh) | 2005-02-09 |
US20050036080A1 (en) | 2005-02-17 |
JP2005057242A (ja) | 2005-03-03 |
KR20050009667A (ko) | 2005-01-25 |
TW200518346A (en) | 2005-06-01 |
TWI244213B (en) | 2005-11-21 |
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