KR100284809B1 - 다결정실리콘 박막트랜지스터 - Google Patents
다결정실리콘 박막트랜지스터 Download PDFInfo
- Publication number
- KR100284809B1 KR100284809B1 KR1019990009220A KR19990009220A KR100284809B1 KR 100284809 B1 KR100284809 B1 KR 100284809B1 KR 1019990009220 A KR1019990009220 A KR 1019990009220A KR 19990009220 A KR19990009220 A KR 19990009220A KR 100284809 B1 KR100284809 B1 KR 100284809B1
- Authority
- KR
- South Korea
- Prior art keywords
- thin film
- polysilicon
- film transistor
- active region
- polysilicon thin
- 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.)
- Expired - Lifetime
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 68
- 239000010409 thin film Substances 0.000 title claims abstract description 55
- 229920005591 polysilicon Polymers 0.000 claims abstract description 55
- 239000002184 metal Substances 0.000 claims abstract description 24
- 230000007547 defect Effects 0.000 claims abstract description 11
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 9
- 239000010408 film Substances 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 11
- 238000002161 passivation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000002425 crystallisation Methods 0.000 claims description 5
- 238000005224 laser annealing Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract description 6
- 238000005499 laser crystallization Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 19
- 238000000151 deposition Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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]
-
- 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
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0221—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies
- H10D86/0223—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies comprising crystallisation of amorphous, microcrystalline or polycrystalline semiconductor materials
- H10D86/0227—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies comprising crystallisation of amorphous, microcrystalline or polycrystalline semiconductor materials using structural arrangements to control crystal growth, e.g. placement of grain filters
-
- 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
-
- 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
- H10D30/6731—Top-gate only 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]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
- H10D30/6745—Polycrystalline or microcrystalline silicon
-
- 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]
- H10D30/6758—Thin-film transistors [TFT] characterised by the insulating substrates
-
- 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
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0251—Manufacture or treatment of multiple TFTs characterised by increasing the uniformity of device parameters
Landscapes
- Thin Film Transistor (AREA)
Abstract
Description
Claims (5)
- 투명성 절연기판 상에 횡 방향으로 형성되는 게이트 버스라인과 종 방향으로 형성되는 데이터 버스라인의 교차점 부근에 형성되는 다결정실리콘 박막트랜지스터에 있어서,상기 투명성 절연기판 상에 형성된 다결정실리콘 활성영역;상기 활성영역 상에 형성된 게이트 산화막;상기 게이트 산화막 위에 상기 활성영역내의 채널부와 오버랩되어 형성된 게이트 전극;상기 결과물 전면에 형성된 보호막;상기 보호막과 게이트 산화막을 관통하는 접촉 홀을 통하여 상기 활성영역내의 소스부와 연결되는 투명전극; 및상기 보호막과 게이트 산화막을 관통하는 접촉 홀을 통하여 상기 활성영역 내의 드레인부와 접촉되는 화소전극을 구비하며,상기 다결정실리콘 박막트랜지스터의 전계 이동도에 영향을 주는 결함이 많은 다결정실리콘 결정입계(grain boundary)의 영향을 최소화하기 위하여, 상기 다결정실리콘 활성영역 하부에 채널방향으로 형성되어, 다결정실리콘 결정입계를 일정방향으로 제어할 수 있는 한 쌍의 금속 패턴을 포함하는 것을 특징으로 하는 다결정실리콘 박막트랜지스터.
- 제 1 항에 있어서, 상기 데이터 버스라인은,상기 절연기판 상에 형성되어 상기 보호막을 관통하는 콘택 홀을 통하여 상기 투명전극과 접촉되는 매몰 버스(BB; buried bus) 라인인 것을 특징으로 하는 다결정실리콘 박막트랜지스터.
- 제 1 항 또는 제 2 항에 있어서, 상기 한 쌍의 금속 패턴은,상기 데이터 버스라인과 동일 금속으로 데이터 버스라인 형성과 동시에 제작되는 것을 특징으로 하는 다결정실리콘 박막트랜지스터.
- 제 1 항에 있어서, 상기 금속 패턴은,상기 다결정실리콘 활성영역과의 사이에 버퍼 절연막을 개재하여 형성되는 것을 특징으로 하는 다결정실리콘 박막트랜지스터.
- 제 4 항에 있어서,상기 금속 패턴 상부에 버퍼 절연막을 개재하여 형성되는 활성영역의 다결정 실리콘막은, 비정질실리콘 증착 후 단시간 처리 가능한 레이저 어닐링에 의한 액상 결정화 방법에 의해 제작되는 것을 특징으로 하는 다결정실리콘 박막트랜지스터.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990009220A KR100284809B1 (ko) | 1999-03-18 | 1999-03-18 | 다결정실리콘 박막트랜지스터 |
US09/528,030 US6566173B1 (en) | 1999-03-18 | 2000-03-17 | Polycrystalline silicon thin film transistor and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990009220A KR100284809B1 (ko) | 1999-03-18 | 1999-03-18 | 다결정실리콘 박막트랜지스터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000060685A KR20000060685A (ko) | 2000-10-16 |
KR100284809B1 true KR100284809B1 (ko) | 2001-03-15 |
Family
ID=19576962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990009220A Expired - Lifetime KR100284809B1 (ko) | 1999-03-18 | 1999-03-18 | 다결정실리콘 박막트랜지스터 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6566173B1 (ko) |
KR (1) | KR100284809B1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100418745B1 (ko) * | 2001-06-08 | 2004-02-19 | 엘지.필립스 엘시디 주식회사 | 실리콘 결정화방법 |
JP4141138B2 (ja) * | 2001-12-21 | 2008-08-27 | 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 |
GB2403595B (en) * | 2003-06-25 | 2005-10-05 | Lg Philips Lcd Co Ltd | Liquid crystal display device having polycrystalline silicon thin film transistor and method of fabricating the same |
KR100595456B1 (ko) * | 2003-12-29 | 2006-06-30 | 엘지.필립스 엘시디 주식회사 | 액정표시소자의 제조방법 |
KR101136311B1 (ko) * | 2005-06-21 | 2012-04-19 | 엘지디스플레이 주식회사 | 액정표시장치 |
TWI280073B (en) | 2005-09-15 | 2007-04-21 | Au Optronics Corp | Organic light emitting diode display panel |
CN100553389C (zh) * | 2005-09-29 | 2009-10-21 | 友达光电股份有限公司 | 有机发光二极管显示面板 |
KR101827848B1 (ko) | 2010-10-22 | 2018-03-23 | 삼성디스플레이 주식회사 | 박막 트랜지스터 및 이를 구비한 표시 장치 |
KR20120131775A (ko) | 2011-05-26 | 2012-12-05 | 삼성디스플레이 주식회사 | 박막 트랜지스터, 그 제조 방법, 및 유기 발광 표시 장치 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4917467A (en) * | 1988-06-16 | 1990-04-17 | Industrial Technology Research Institute | Active matrix addressing arrangement for liquid crystal display |
DE69229823T2 (de) * | 1991-06-28 | 2000-03-09 | Dai Nippon Printing Co., Ltd. | Schwarzmatrixleiterplatte und deren herstellungsverfahren, und flüssigkristallanzeigetafel und deren herstellungsverfahren |
JP3529153B2 (ja) * | 1993-03-04 | 2004-05-24 | 三星電子株式会社 | 液晶表示装置及びその製造方法 |
JPH0745832A (ja) * | 1993-07-28 | 1995-02-14 | Fuji Xerox Co Ltd | 薄膜トランジスタ |
JP3122003B2 (ja) * | 1994-08-24 | 2001-01-09 | シャープ株式会社 | アクティブマトリクス基板 |
US5550066A (en) * | 1994-12-14 | 1996-08-27 | Eastman Kodak Company | Method of fabricating a TFT-EL pixel |
EP0804807B1 (en) * | 1995-01-19 | 1999-07-14 | 1294339 Ontario, Inc. | Flat panel imaging device |
KR0156202B1 (ko) * | 1995-08-22 | 1998-11-16 | 구자홍 | 액정표시장치 및 그 제조방법 |
KR0149309B1 (ko) * | 1995-09-06 | 1998-10-15 | 김광호 | 수리선을 가지고 있는 액정 표시 장치 |
KR100234892B1 (ko) * | 1996-08-26 | 1999-12-15 | 구본준 | 액정표시장치의 구조 및 그 제조방법 |
KR100262402B1 (ko) * | 1997-04-18 | 2000-08-01 | 김영환 | 박막 트랜지스터 액정표시소자 및 그의 제조방법 |
JP4127416B2 (ja) * | 1997-07-16 | 2008-07-30 | 株式会社半導体エネルギー研究所 | 光センサ、光センサの作製方法、リニアイメージセンサ及びエリアセンサ |
KR100269520B1 (ko) * | 1997-07-29 | 2000-10-16 | 구본준 | 박막트랜지스터, 액정표시장치와 그 제조방법 |
US6107641A (en) * | 1997-09-10 | 2000-08-22 | Xerox Corporation | Thin film transistor with reduced parasitic capacitance and reduced feed-through voltage |
KR100459482B1 (ko) * | 1998-10-02 | 2005-06-10 | 엘지.필립스 엘시디 주식회사 | 박막트랜지스터및그제조방법 |
-
1999
- 1999-03-18 KR KR1019990009220A patent/KR100284809B1/ko not_active Expired - Lifetime
-
2000
- 2000-03-17 US US09/528,030 patent/US6566173B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20000060685A (ko) | 2000-10-16 |
US6566173B1 (en) | 2003-05-20 |
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