KR100507283B1 - 박막트랜지스터 액정표시장치의 제조방법 - Google Patents
박막트랜지스터 액정표시장치의 제조방법 Download PDFInfo
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- KR100507283B1 KR100507283B1 KR10-2002-0013199A KR20020013199A KR100507283B1 KR 100507283 B1 KR100507283 B1 KR 100507283B1 KR 20020013199 A KR20020013199 A KR 20020013199A KR 100507283 B1 KR100507283 B1 KR 100507283B1
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 24
- 239000010409 thin film Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000010408 film Substances 0.000 claims abstract description 69
- 239000002184 metal Substances 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 37
- 238000005530 etching Methods 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000012780 transparent material Substances 0.000 claims abstract description 12
- 238000000151 deposition Methods 0.000 claims abstract description 8
- 230000004888 barrier function Effects 0.000 claims abstract description 5
- 238000009832 plasma treatment Methods 0.000 claims abstract description 4
- 229920002120 photoresistant polymer Polymers 0.000 claims description 40
- 229910052750 molybdenum Inorganic materials 0.000 claims description 27
- 230000015572 biosynthetic process Effects 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 238000002161 passivation Methods 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 229910001149 41xx steel Inorganic materials 0.000 claims description 4
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 claims description 4
- 229910018575 Al—Ti Inorganic materials 0.000 claims description 4
- 241001239379 Calophysus macropterus Species 0.000 claims description 4
- 229910016006 MoSi Inorganic materials 0.000 claims description 4
- 229910016024 MoTa Inorganic materials 0.000 claims description 4
- 238000004380 ashing Methods 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 56
- 239000011521 glass Substances 0.000 abstract description 4
- 239000011241 protective layer Substances 0.000 abstract description 3
- 238000007687 exposure technique Methods 0.000 abstract description 2
- 238000000059 patterning Methods 0.000 abstract description 2
- 238000007796 conventional method Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
-
- 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
- G02F1/136—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
- 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
- H10D86/40—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 characterised by multiple TFTs
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (4)
- 투명성절연기판 상에 화소전극용 투명물질막과 게이트용 금속막을 차례로 증착하는 단계;상기 게이트용 금속막과 화소전극용 투명물질막을 제1마스크 공정에 따라 식각하여 게이트전극을 포함한 게이트라인을 형성함과 아울러 상부에 게이트용 금속막이 잔류된 화소전극을 형성하는 단계;상기 결과물 상에 게이트절연막과 채널층용 a-Si층 및 오믹콘택층용 n+ a-Si층을 차례로 증착하는 단계;상기 n+ a-Si층과 a-Si층 및 게이트절연막을 제2마스크 공정에 따라 식각함과 아울러 화소전극 상에 잔류된 게이트용 금속막을 식각하여 제거하는 단계;상기 결과물 상에 소오스/드레인용 금속막과 보호막을 순차 증착하는 단계;상기 보호막 상에 제3마스크 공정에 따라 소오스/드레인 전극 형성 영역을 포함한 데이터라인 형성 영역에 대응해서 풀-톤 영역을, 채널 형성 영역에 대응해서 하프-톤 영역을, 그리고, 그 이외 영역에 대응해서 노출 영역을 갖는 포토레지스트 패턴을 형성하는 단계;상기 포토레지스트 패턴을 식각 마스크로 이용하여 노출 영역의 보호막 부분과 소오스/드레인용 금속막 부분을 식각하여 데이터라인을 형성하는 단계;상기 채널 형성 영역 상의 소오스/드레인용 금속막 부분이 노출되도록 상기 포토레지스트 패턴을 에싱하여 그의 하프-톤 영역을 제거하는 단계;상기 잔류된 포토레지스트 패턴을 식각 마스크로 이용해서 노출된 소오스/드레인용 금속막 부분을 식각하여 소오스/드레인 전극을 형성하고, 연이어, n+ a-Si층을 식각하여 오믹콘택층을 형성함과 아울러 a-Si층의 채널영역을 한정하는 단계;상기 결과물에 대해 O2 플라즈마 처리를 수행하여 노출된 a-Si층의 채널 영역 상에 SiO2 베리어막을 형성하는 단계; 및상기 포토레지스트 패턴을 제거하는 단계;를 포함하는 것을 특징으로 하는 박막트랜지스터의 액정표시장치의 제조방법.
- 제 1 항에 있어서,상기 화소전극용 투명물질막은 ITO, IXO 및 IZO로 구성된 그룹으로부터 선택되는 어느 하나를 사용하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 제조방법.
- 제 1 항에 있어서,상기 게이트용 금속막과 소오스/드레인용 금속막은 Al, Cr/Al, Cr, Mo, Mo/Al, Mo/Al/MoTa, Ti/AlSi/Ti, Mo/MoSi, CrMo, Al-Nd, Mo/Al-Nd/Mo, Mo/Al-Nd, Al-Ti 및 Ti/Al/Ti로 구성된 그룹으로부터 선택되는 어느 하나를 사용하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 제조방법.
- 제 1 항에 있어서,상기 게이트절연막은 SiNx 또는 SiON 중에서 어느 하나를 사용하고, 상기 보호막은 SiNx를 사용하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2002-0013199A KR100507283B1 (ko) | 2002-03-12 | 2002-03-12 | 박막트랜지스터 액정표시장치의 제조방법 |
Applications Claiming Priority (1)
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KR10-2002-0013199A KR100507283B1 (ko) | 2002-03-12 | 2002-03-12 | 박막트랜지스터 액정표시장치의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20030073569A KR20030073569A (ko) | 2003-09-19 |
KR100507283B1 true KR100507283B1 (ko) | 2005-08-09 |
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Family Applications (1)
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KR10-2002-0013199A Expired - Lifetime KR100507283B1 (ko) | 2002-03-12 | 2002-03-12 | 박막트랜지스터 액정표시장치의 제조방법 |
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KR (1) | KR100507283B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100781430B1 (ko) * | 2004-01-09 | 2007-12-03 | 비오이 하이디스 테크놀로지 주식회사 | 에프에프에스 모드 액정표시장치의 어레이 기판 제조방법 |
KR101126396B1 (ko) | 2004-06-25 | 2012-03-28 | 엘지디스플레이 주식회사 | 박막트랜지스터 어레이 기판 및 그 제조방법 |
KR100917654B1 (ko) | 2006-11-10 | 2009-09-17 | 베이징 보에 옵토일렉트로닉스 테크놀로지 컴퍼니 리미티드 | 박막트랜지스터 액정 디스플레이 화소 구조 및 그 제조방법 |
KR100853545B1 (ko) | 2007-05-15 | 2008-08-21 | 삼성에스디아이 주식회사 | 유기전계발광소자 및 그의 제조방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000033047A (ko) * | 1998-11-19 | 2000-06-15 | 윤종용 | 박막트랜지스터의제조방법 |
KR20000056867A (ko) * | 1999-02-27 | 2000-09-15 | 윤종용 | 액정표시장치용박막트랜지스터기판및그제조방법 |
KR20000059689A (ko) * | 1999-03-08 | 2000-10-05 | 윤종용 | 액정표시장치용박막트랜지스터기판의제조방법 |
JP2000338524A (ja) * | 1999-05-31 | 2000-12-08 | Advanced Display Inc | 反射型液晶表示装置およびその製造方法 |
KR20030058511A (ko) * | 2001-12-31 | 2003-07-07 | 비오이 하이디스 테크놀로지 주식회사 | 박막트랜지스터 액정표시장치의 제조방법 |
-
2002
- 2002-03-12 KR KR10-2002-0013199A patent/KR100507283B1/ko not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000033047A (ko) * | 1998-11-19 | 2000-06-15 | 윤종용 | 박막트랜지스터의제조방법 |
KR20000056867A (ko) * | 1999-02-27 | 2000-09-15 | 윤종용 | 액정표시장치용박막트랜지스터기판및그제조방법 |
KR20000059689A (ko) * | 1999-03-08 | 2000-10-05 | 윤종용 | 액정표시장치용박막트랜지스터기판의제조방법 |
JP2000338524A (ja) * | 1999-05-31 | 2000-12-08 | Advanced Display Inc | 反射型液晶表示装置およびその製造方法 |
KR20030058511A (ko) * | 2001-12-31 | 2003-07-07 | 비오이 하이디스 테크놀로지 주식회사 | 박막트랜지스터 액정표시장치의 제조방법 |
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KR20030073569A (ko) | 2003-09-19 |
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