JP2004172569A - 均一性に優れた薄膜トランジスタ及びこれを用いる有機電界発光素子 - Google Patents
均一性に優れた薄膜トランジスタ及びこれを用いる有機電界発光素子 Download PDFInfo
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- JP2004172569A JP2004172569A JP2003274980A JP2003274980A JP2004172569A JP 2004172569 A JP2004172569 A JP 2004172569A JP 2003274980 A JP2003274980 A JP 2003274980A JP 2003274980 A JP2003274980 A JP 2003274980A JP 2004172569 A JP2004172569 A JP 2004172569A
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- 239000010409 thin film Substances 0.000 title claims abstract description 31
- 239000013078 crystal Substances 0.000 claims abstract description 49
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 19
- 238000002425 crystallisation Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008025 crystallization Effects 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 description 14
- 239000011159 matrix material Substances 0.000 description 6
- 239000002800 charge carrier Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- H01L27/1214—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
- H01L27/1285—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor using control of the annealing or irradiation parameters, e.g. using different scanning direction or intensity for different transistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- H01L27/1214—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/1296—Multistep manufacturing methods adapted to increase the uniformity of device parameters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/04—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78672—Polycrystalline or microcrystalline silicon transistor
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- Condensed Matter Physics & Semiconductors (AREA)
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- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
【解決手段】 本発明は均一性に優れた薄膜トランジスタ及びこれを用いる有機電界発光素子に係り、多結晶シリコンのプライマリ結晶粒境界がドレイン領域とアクティブチャネル領域の境界と会わないことを特徴とする薄膜トランジスタを提供することによって電流特性などが優秀で均一性に優れた薄膜トランジスタを提供することができるので性能に優れた有機電界発光素子に用いられることができる。
【選択図】 図6A
Description
多結晶シリコンのプライマリ結晶粒境界がドレイン領域とアクティブチャネル領域の境界と会わないことを特徴とする薄膜トランジスタを提供する。
前記のように製作された薄膜トランジスタを用いることを特徴とする有機電界発光素子を提供する。
多結晶シリコンのプライマリ結晶粒境界の幅が薄膜トランジスタのドレイン領域とアクティブチャネル領域の境界と会わなく、前記プライマリ結晶粒境界と前記電流流れ方向がなす角度が45゜≦θ≦135゜であることを特徴とする薄膜トランジスタ及びこれを用いて製造される有機電界発光素子を提供する。
アクティブマトリックスディスプレー用TFT製作時TFT特性に直接、間接的に重大な影響を及ぼす多結晶シリコンの結晶粒がTFT特性向上のために大きくて規則化される場合、結晶粒の有限な大きさによって、隣接した結晶粒間には結晶粒境界が発生する。
Claims (16)
- 多結晶シリコンのプライマリ結晶粒境界が薄膜トランジスタのドレイン領域とアクティブチャネル領域の境界と会わないことを特徴とする薄膜トランジスタ。
- 前記プライマリ結晶粒境界の幅は、1μm以下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。
- 前記プライマリ結晶粒境界の中心が少なくとも0.5μmほどドレイン領域とアクティブチャネル領域間にある前記境界から離れてい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。
- 前記プライマリ結晶粒の大きさが前記アクティブチャネル領域の幅より大きいことを特徴とする請求項1に記載の薄膜トランジスタ。
- 前記プライマリ結晶粒境界と電流流れ方向が互いに垂直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。
- 前記プライマリ結晶粒境界と前記電流流れ方向がなす角度が45゜≦θ≦135゜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。
- 前記多結晶シリコンは、SLS方法により製造され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。
- 前記プライマリ結晶粒境界が前記アクティブチャネル領域内に存在しないことを特徴とする請求項1に記載の薄膜トランジスタ。
- 請求項1に記載の薄膜トランジスタを用いることを特徴とする有機電界発光素子。
- 多結晶シリコンのプライマリ結晶粒境界が薄膜トランジスタのドレイン領域とアクティブチャネル領域の境界と会わなく、前記プライマリ結晶粒境界と前記電流流れ方向がなす角度が45゜≦θ≦135゜であることを特徴とする薄膜トランジスタ。
- 前記多結晶シリコンがSLS結晶化法によって結晶化されることを特徴とする請求項10に記載の薄膜トランジスタ。
- 請求項10に記載の薄膜トランジスタを用いることを特徴とする有機電界発光素子。
- 薄膜トランジスタのアクティブチャネル領域内に多結晶シリコンに存在するプライマリ結晶粒境界が存在しないことを特徴とする薄膜トランジスタ。
- 前記多結晶シリコンは、SLS結晶化法によって結晶化されることを特徴とする請求項13に記載の薄膜トランジスタ。
- 前記プライマリ結晶粒境界は、電流流れ方向に対して45゜≦θ≦135゜ほど角度をなすことを特徴とする請求項14に記載の薄膜トランジスタ。
- 請求項13に記載の薄膜トランジスタを用いて製造されることを特徴とする有機電界発光素子。
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Application Number | Priority Date | Filing Date | Title |
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KR10-2002-0071998A KR100514179B1 (ko) | 2002-11-19 | 2002-11-19 | 박막 트랜지스터 및 이를 사용하는 유기 전계 발광 소자 |
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JP2004172569A true JP2004172569A (ja) | 2004-06-17 |
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JP2003274980A Pending JP2004172569A (ja) | 2002-11-19 | 2003-07-15 | 均一性に優れた薄膜トランジスタ及びこれを用いる有機電界発光素子 |
Country Status (5)
Country | Link |
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US (1) | US20030193069A1 (ja) |
EP (1) | EP1422760A3 (ja) |
JP (1) | JP2004172569A (ja) |
KR (1) | KR100514179B1 (ja) |
CN (1) | CN1503376A (ja) |
Families Citing this family (4)
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CN1324540C (zh) * | 2003-06-05 | 2007-07-04 | 三星Sdi株式会社 | 具有多晶硅薄膜晶体管的平板显示装置 |
KR100611659B1 (ko) * | 2004-07-07 | 2006-08-10 | 삼성에스디아이 주식회사 | 박막트랜지스터 및 그의 제조 방법 |
CN100377386C (zh) * | 2004-12-15 | 2008-03-26 | 友达光电股份有限公司 | 选择性激光结晶的方法及其制造的显示面板 |
CN104538402B (zh) * | 2014-12-30 | 2018-01-23 | 京东方科技集团股份有限公司 | 阵列基板及其制作方法、和显示装置 |
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WO2001097266A1 (fr) * | 2000-06-12 | 2001-12-20 | Seiko Epson Corporation | Procede de production d'un dispositif a semi-conducteur en couche mince |
JP2002110544A (ja) * | 2000-08-10 | 2002-04-12 | Regents Of The Univ Of California | レーザアニールによる薄膜結晶成長 |
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2002
- 2002-11-19 KR KR10-2002-0071998A patent/KR100514179B1/ko active IP Right Grant
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2003
- 2003-02-24 US US10/370,496 patent/US20030193069A1/en not_active Abandoned
- 2003-06-09 CN CNA031411223A patent/CN1503376A/zh active Pending
- 2003-07-15 JP JP2003274980A patent/JP2004172569A/ja active Pending
- 2003-11-17 EP EP03090388A patent/EP1422760A3/en not_active Ceased
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08330600A (ja) * | 1995-03-24 | 1996-12-13 | Tdk Corp | 薄膜トランジスタ、有機elディスプレイ装置及び有機elディスプレイ装置の製造方法 |
JPH10254383A (ja) * | 1997-03-07 | 1998-09-25 | Tdk Corp | 半導体装置及び有機elディスプレイ装置 |
WO2001097266A1 (fr) * | 2000-06-12 | 2001-12-20 | Seiko Epson Corporation | Procede de production d'un dispositif a semi-conducteur en couche mince |
JP2002110544A (ja) * | 2000-08-10 | 2002-04-12 | Regents Of The Univ Of California | レーザアニールによる薄膜結晶成長 |
JP2002110542A (ja) * | 2000-09-28 | 2002-04-12 | Toshiba Corp | Si系半導体薄膜の製造方法、薄膜トランジスタ |
JP2001274088A (ja) * | 2001-02-28 | 2001-10-05 | Trustees Of Columbia Univ In The City Of New York | 基板上の半導体膜領域の結晶化処理及びこの方法により製造されたデバイス |
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Publication number | Publication date |
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KR20040043729A (ko) | 2004-05-27 |
KR100514179B1 (ko) | 2005-09-13 |
EP1422760A2 (en) | 2004-05-26 |
US20030193069A1 (en) | 2003-10-16 |
EP1422760A3 (en) | 2004-06-30 |
CN1503376A (zh) | 2004-06-09 |
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