KR100732862B1 - 박막 트랜지스터 및 이를 이용한 평판 표시장치 - Google Patents
박막 트랜지스터 및 이를 이용한 평판 표시장치 Download PDFInfo
- Publication number
- KR100732862B1 KR100732862B1 KR1020050063456A KR20050063456A KR100732862B1 KR 100732862 B1 KR100732862 B1 KR 100732862B1 KR 1020050063456 A KR1020050063456 A KR 1020050063456A KR 20050063456 A KR20050063456 A KR 20050063456A KR 100732862 B1 KR100732862 B1 KR 100732862B1
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- Prior art keywords
- gate insulating
- insulating film
- thin film
- film transistor
- flat panel
- Prior art date
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- 239000010409 thin film Substances 0.000 title claims abstract description 37
- 239000010408 film Substances 0.000 claims abstract description 53
- 150000004767 nitrides Chemical class 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 44
- 229910021417 amorphous silicon Inorganic materials 0.000 description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 8
- 229920005591 polysilicon Polymers 0.000 description 8
- 239000002184 metal Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007715 excimer laser crystallization Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133345—Insulating layers
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
-
- 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
-
- 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
- H01L29/78603—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the insulating substrate or support
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Thin Film Transistor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (6)
- 기판;상기 기판상에 형성되는 활성층;상기 활성층 상에 형성되는 제 1 게이트 절연막; 및상기 제 1 게이트 절연막 상에, 질화물을 5%이상 함유하며, 적어도 1.5 이상의 굴절률을 갖는 물질로 형성되며, 적어도 400Å 이상의 두께를 가진 제 2 게이트 절연막을 포함하되,상기 제 1 게이트 절연막 및 상기 제 2 게이트 절연막을 합한 두께는 2000Å을 넘지 않는 박막 트랜지스터.
- 제 1항에 있어서,상기 제 2 게이트 절연막은 질화 실리콘 또는 실리콘 옥시나이트라이드인 박막 트랜지스터.
- 삭제
- 제 1항에 있어서,상기 제 1 게이트 절연막은 800Å의 두께를 갖는 산화 실리콘을 사용하는 박막 트랜지스터.
- 복수의 데이터선 및 복수의 주사선을 포함하며, 상기 복수의 데이터선 및 상기 복수의 주사선이 교차한 영역에 복수의 화소를 형성하는 화소부;상기 복수의 데이터선에 데이터 신호를 전달하는 데이터 구동부; 및상기 복수의 주사선에 주사 신호를 전달하는 주사 구동부를 포함하며상기 화소는 상기 제 1항, 제 2항 및 제 4항 중 어느 하나에 기재된 박막 트랜지스터를 포함하는 평판 표시장치.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050063456A KR100732862B1 (ko) | 2005-07-13 | 2005-07-13 | 박막 트랜지스터 및 이를 이용한 평판 표시장치 |
Applications Claiming Priority (1)
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KR1020050063456A KR100732862B1 (ko) | 2005-07-13 | 2005-07-13 | 박막 트랜지스터 및 이를 이용한 평판 표시장치 |
Publications (2)
Publication Number | Publication Date |
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KR20070008327A KR20070008327A (ko) | 2007-01-17 |
KR100732862B1 true KR100732862B1 (ko) | 2007-06-27 |
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KR1020050063456A KR100732862B1 (ko) | 2005-07-13 | 2005-07-13 | 박막 트랜지스터 및 이를 이용한 평판 표시장치 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040050768A (ko) * | 2002-12-09 | 2004-06-17 | 엘지.필립스 엘시디 주식회사 | 구동회로 일체형 액정표시장치용 박막 트랜지스터 제조방법 |
KR20050004565A (ko) * | 2003-07-03 | 2005-01-12 | 삼성전자주식회사 | 다층구조의 게이트 절연막을 포함한 유기 박막 트랜지스터 |
KR20050070240A (ko) * | 2003-12-30 | 2005-07-07 | 엘지.필립스 엘시디 주식회사 | 다결정 실리콘 박막 트랜지스터 및 그 제조 방법 |
KR100483522B1 (ko) * | 1997-07-23 | 2005-07-25 | 삼성전자주식회사 | 이중게이트절연막을갖는박막트랜지스터액정표시장치및그제조방법 |
-
2005
- 2005-07-13 KR KR1020050063456A patent/KR100732862B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100483522B1 (ko) * | 1997-07-23 | 2005-07-25 | 삼성전자주식회사 | 이중게이트절연막을갖는박막트랜지스터액정표시장치및그제조방법 |
KR20040050768A (ko) * | 2002-12-09 | 2004-06-17 | 엘지.필립스 엘시디 주식회사 | 구동회로 일체형 액정표시장치용 박막 트랜지스터 제조방법 |
KR20050004565A (ko) * | 2003-07-03 | 2005-01-12 | 삼성전자주식회사 | 다층구조의 게이트 절연막을 포함한 유기 박막 트랜지스터 |
KR20050070240A (ko) * | 2003-12-30 | 2005-07-07 | 엘지.필립스 엘시디 주식회사 | 다결정 실리콘 박막 트랜지스터 및 그 제조 방법 |
Non-Patent Citations (4)
Title |
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1004835220000 |
1020040050768 |
1020050004565 |
1020050070240 |
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KR20070008327A (ko) | 2007-01-17 |
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