KR100767366B1 - 액정 표시 장치의 구동 회로부를 제조하는 방법 - Google Patents
액정 표시 장치의 구동 회로부를 제조하는 방법 Download PDFInfo
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- KR100767366B1 KR100767366B1 KR1020010052115A KR20010052115A KR100767366B1 KR 100767366 B1 KR100767366 B1 KR 100767366B1 KR 1020010052115 A KR1020010052115 A KR 1020010052115A KR 20010052115 A KR20010052115 A KR 20010052115A KR 100767366 B1 KR100767366 B1 KR 100767366B1
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- South Korea
- Prior art keywords
- thin film
- film transistor
- conductive
- pattern
- gate electrode
- Prior art date
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title description 12
- 239000010409 thin film Substances 0.000 claims abstract description 91
- 239000004065 semiconductor Substances 0.000 claims abstract description 44
- 239000010408 film Substances 0.000 claims abstract description 26
- 239000002019 doping agent Substances 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 18
- 229920002120 photoresistant polymer Polymers 0.000 claims description 13
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims description 2
- 238000005530 etching Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005499 laser crystallization Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
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Classifications
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- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (4)
- 절연 기판 위에 제1도전형 및 제2도전형 박막 트랜지스터용 반도체 패턴을 각각 형성하는 단계,상기 각각의 반도체 패턴을 덮는 게이트 절연막을 형성하는 단계,상기 게이트 절연막 위에 게이트 배선용 도전층을 증착하는 단계,상기 게이트 배선용 도전층을 패터닝하여 제1도전형 박막 트랜지스터용 반도체 패턴 위에 위치하는 제1도전형 박막 트랜지스터용 게이트 전극, 제2도전형 박막 트랜지스터용 반도체 패턴 전부에 중첩되는 제2도전형 게이트 전극용 도전체 패턴 및 배선을 형성하는 단계,상기 제1도전형 박막 트랜지스터용 게이트 전극을 마스크로 상기 제1도전형 박막 트랜지스터용 반도체 패턴에 제1도전형 도펀트를 도핑하는 단계,상기 제1도전형 박막 트랜지스터용 게이트 전극 및 상기 배선을 덮고 있고, 상기 제2도전형 박막 트랜지스터용 반도체 패턴의 일부를 덮는 감광막 패턴을 형성하는 단계,상기 감광막 패턴을 마스크로 상기 제2도전형 게이트 전극용 도전체 패턴을 과도식각하여 제2도전형 박막 트랜지스터용 게이트 전극을 형성하는 단계,상기 감광막 패턴을 마스크로 상기 제2도전형 박막 트랜지스터용 반도체 패턴에 제2도전형 도펀트를 도핑하는 단계상기 감광막 패턴을 제거하는 단계를 포함하는 액정 표시 장치의 구동 회로부를 제조하는 방법.
- 제1항에서,상기 감광막 패턴을 제거한 후, 상기 제2도전형 박막 트랜지스터용 반도체 패턴에 제2도전형 도펀트를 저농도로 도핑하는 단계를 더 포함하는 액정 표시 장치의 구동 회로부를 제조하는 방법.
- 제1항에서,상기 제1도전형 및 제2도전형 박막 트랜지스터용 게이트 전극은 동일한 폭을 가지도록 형성하는 액정 표시 장치의 구동 회로부를 제조하는 방법.
- 제1항에서,상기 제1도전형 및 제2도전형 박막 트랜지스터용 반도체 패턴은 다결정 규소로 형성하는 액정 표시 장치의 구동 회로부를 제조하는 방법.
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KR1020010052115A KR100767366B1 (ko) | 2001-08-28 | 2001-08-28 | 액정 표시 장치의 구동 회로부를 제조하는 방법 |
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KR1020010052115A KR100767366B1 (ko) | 2001-08-28 | 2001-08-28 | 액정 표시 장치의 구동 회로부를 제조하는 방법 |
Publications (2)
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KR20030018400A KR20030018400A (ko) | 2003-03-06 |
KR100767366B1 true KR100767366B1 (ko) | 2007-10-17 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000032041A (ko) * | 1998-11-12 | 2000-06-05 | 윤종용 | 박막 트랜지스터 액정 표시 장치의 제조 방법 |
KR20000038145A (ko) * | 1998-12-04 | 2000-07-05 | 윤종용 | 액정 표시 장치 및 그 제조 방법 |
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- 2001-08-28 KR KR1020010052115A patent/KR100767366B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000032041A (ko) * | 1998-11-12 | 2000-06-05 | 윤종용 | 박막 트랜지스터 액정 표시 장치의 제조 방법 |
KR20000038145A (ko) * | 1998-12-04 | 2000-07-05 | 윤종용 | 액정 표시 장치 및 그 제조 방법 |
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