KR20060113324A - 박막트랜지스터 및 이를 이용한 액정표시장치 - Google Patents
박막트랜지스터 및 이를 이용한 액정표시장치 Download PDFInfo
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- KR20060113324A KR20060113324A KR1020050072760A KR20050072760A KR20060113324A KR 20060113324 A KR20060113324 A KR 20060113324A KR 1020050072760 A KR1020050072760 A KR 1020050072760A KR 20050072760 A KR20050072760 A KR 20050072760A KR 20060113324 A KR20060113324 A KR 20060113324A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 12
- 239000010409 thin film Substances 0.000 claims abstract description 42
- 239000010410 layer Substances 0.000 claims description 54
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 12
- 239000010408 film Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000001312 dry etching Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 4
- 206010047571 Visual impairment Diseases 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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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
- H01L27/124—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 with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
-
- G—PHYSICS
- G02—OPTICS
- 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
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41733—Source or drain electrodes for field effect devices for thin film transistors with insulated gate
-
- 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
- H01L29/78606—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
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (4)
- 기판상에 형성된 게이트 전극과, 상기 게이트 전극상에 게이트 절연막을 개재하여 배치된 진성 아몰퍼스 실리콘(I·a-Si:H)층과, 상기 진성 아몰퍼스 실리콘층상에 n+ 아몰퍼스 실리콘(n+·a-Si:H)층을 개재하여 배치되는 소오스 및 드레인 전극을 갖는 박막트랜지스터에 있어서,상기 소오스 및 드레인 전극은 원 형상을 갖고,상기 소오스 및 드레인 전극의 어느 일측이 중앙에 배치되고, 타측이 그것을 둘러싸도록 동심원 형태로 배치되며,배치된 상기 소오스 및 드레인 전극 사이에 채널 영역을 갖고,실효(Cgs) 면적(S)이, 약 150π㎛2 이하이고,채널 폭(W)대 채널 길이(L) 비(W/L)가 약 4.5이상이고,실효(Cgs)로의 충전 능력 지표(F)가 약 50이하인 것을 특징으로 하는 박막트랜지스터.
- 제 1 항에 있어서, 상기 실효(Cgs) 면적(S)은 π×((d+L)/2)×((d+L)/2)가 되는 식으로, 상기 채널 폭(W)대 채널 길이(L) 비(W/L)는 π×(d/L+1)이 되는 식으로, 그리고 상기 실효(Cgs)로의 충전 능력 지표(F)는 S÷(W/L)가 되는 식으로 산출되는 것을 특징으로 하는 박막트랜지스터.
- 제 1 항에 있어서, 상기 기판과 상기 게이트 전극 사이에, SiOx등의 무기 투명 절연막이 더 형성되어 있는 것을 특징으로 하는 박막트랜지스터.
- 표시 셀이 매트릭스 형태로 배치되는 액정표시장치에서 상기 액정 셀이 청구항 1에 기재된 박막트랜지스터를 포함한 것을 특징으로 하는 액정표시장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005132714A JP5243686B2 (ja) | 2005-04-28 | 2005-04-28 | 薄膜トランジスタ |
JPJP-P-2005-00132714 | 2005-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060113324A true KR20060113324A (ko) | 2006-11-02 |
KR100720428B1 KR100720428B1 (ko) | 2007-05-22 |
Family
ID=37443889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050072760A KR100720428B1 (ko) | 2005-04-28 | 2005-08-09 | 박막트랜지스터 및 이를 이용한 액정표시장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7348598B2 (ko) |
JP (1) | JP5243686B2 (ko) |
KR (1) | KR100720428B1 (ko) |
CN (1) | CN100580955C (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101291845B1 (ko) * | 2006-12-13 | 2013-07-31 | 엘지디스플레이 주식회사 | 유기발광다이오드 표시장치 및 이의 제조 방법 |
JP5498711B2 (ja) * | 2008-03-01 | 2014-05-21 | 株式会社半導体エネルギー研究所 | 薄膜トランジスタ |
KR101592014B1 (ko) | 2009-03-10 | 2016-02-19 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
KR101626899B1 (ko) | 2009-04-21 | 2016-06-03 | 삼성디스플레이 주식회사 | 박막 트랜지스터 기판 및 이의 제조 방법 |
TW201041134A (en) * | 2009-05-12 | 2010-11-16 | Au Optronics Corp | Thin film transistor structure |
US8891707B2 (en) * | 2009-09-21 | 2014-11-18 | Mediatek Inc. | Receiving device and method thereof |
KR101614092B1 (ko) * | 2009-12-24 | 2016-04-21 | 삼성디스플레이 주식회사 | 포토 마스크 및 상기 포토 마스크를 이용하여 제조된 박막 트랜지스터 |
TWI534905B (zh) * | 2010-12-10 | 2016-05-21 | 半導體能源研究所股份有限公司 | 顯示裝置及顯示裝置之製造方法 |
CN103137701B (zh) | 2011-11-30 | 2018-01-19 | 株式会社半导体能源研究所 | 晶体管及半导体装置 |
CN102566178B (zh) * | 2011-12-26 | 2015-11-25 | 深圳市华星光电技术有限公司 | 一种薄膜晶体管液晶显示器、基板及制造方法 |
US9461066B2 (en) | 2012-08-10 | 2016-10-04 | Boe Technology Group Co., Ltd. | Thin film transistor and method of manufacturing the same, array substrate and display device |
CN103489921B (zh) * | 2013-09-29 | 2016-02-17 | 合肥京东方光电科技有限公司 | 一种薄膜晶体管及其制造方法、阵列基板及显示装置 |
CN105575910B (zh) * | 2016-03-17 | 2019-01-22 | 深圳市华星光电技术有限公司 | 薄膜晶体管基板的制备方法、薄膜晶体管基板和液晶面板 |
CN107845674B (zh) * | 2017-10-27 | 2020-07-03 | 合肥鑫晟光电科技有限公司 | 薄膜晶体管及其制备方法和阵列基板 |
CN108400110B (zh) | 2018-04-27 | 2020-01-17 | 深圳市华星光电半导体显示技术有限公司 | 薄膜晶体管阵列基板及其制备方法 |
CN112835233A (zh) * | 2021-01-07 | 2021-05-25 | Tcl华星光电技术有限公司 | 阵列基板及显示面板 |
CN114792715B (zh) * | 2022-04-08 | 2024-06-11 | 武汉华星光电技术有限公司 | 显示面板 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6482674A (en) * | 1987-09-25 | 1989-03-28 | Casio Computer Co Ltd | Thin film transistor |
US5017983A (en) * | 1989-08-03 | 1991-05-21 | Industrial Technology Research Institute | Amorphous silicon thin film transistor with a depletion gate |
US5053347A (en) * | 1989-08-03 | 1991-10-01 | Industrial Technology Research Institute | Amorphous silicon thin film transistor with a depletion gate |
US5173753A (en) * | 1989-08-10 | 1992-12-22 | Industrial Technology Research Institute | Inverted coplanar amorphous silicon thin film transistor which provides small contact capacitance and resistance |
US5196911A (en) * | 1990-07-26 | 1993-03-23 | Industrial Technology Research Institute | High photosensitive depletion-gate thin film transistor |
US5355002A (en) * | 1993-01-19 | 1994-10-11 | Industrial Technology Research Institute | Structure of high yield thin film transistors |
US5414283A (en) * | 1993-11-19 | 1995-05-09 | Ois Optical Imaging Systems, Inc. | TFT with reduced parasitic capacitance |
EP0940710A3 (en) * | 1993-12-07 | 1999-12-22 | Kabushiki Kaisha Toshiba | Display device and fabrication method thereof |
JPH08160469A (ja) * | 1994-08-31 | 1996-06-21 | Semiconductor Energy Lab Co Ltd | 液晶表示装置 |
JP4293434B2 (ja) | 1994-08-31 | 2009-07-08 | 株式会社半導体エネルギー研究所 | 液晶表示装置 |
GB9726094D0 (en) * | 1997-12-10 | 1998-02-11 | Philips Electronics Nv | Thin film transistors and electronic devices comprising such |
JP2004087682A (ja) * | 2002-08-26 | 2004-03-18 | Chi Mei Electronics Corp | 薄膜トランジスタ、画像表示素子および画像表示装置 |
KR100980017B1 (ko) * | 2003-07-08 | 2010-09-03 | 삼성전자주식회사 | 박막 트랜지스터 표시판 |
US20050082492A1 (en) * | 2003-10-17 | 2005-04-21 | Wei-Chuan Lin | Image detector with tandem-gate TFT |
-
2005
- 2005-04-28 JP JP2005132714A patent/JP5243686B2/ja not_active Expired - Fee Related
- 2005-08-09 KR KR1020050072760A patent/KR100720428B1/ko active IP Right Grant
-
2006
- 2006-04-28 US US11/413,107 patent/US7348598B2/en active Active
- 2006-04-28 CN CN200610079008A patent/CN100580955C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20060262239A1 (en) | 2006-11-23 |
US7348598B2 (en) | 2008-03-25 |
CN1870296A (zh) | 2006-11-29 |
CN100580955C (zh) | 2010-01-13 |
JP5243686B2 (ja) | 2013-07-24 |
KR100720428B1 (ko) | 2007-05-22 |
JP2006310636A (ja) | 2006-11-09 |
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