KR100683156B1 - 박막트랜지스터 액정표시장치의 화소전극 형성방법 - Google Patents
박막트랜지스터 액정표시장치의 화소전극 형성방법 Download PDFInfo
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- KR100683156B1 KR100683156B1 KR1020040071600A KR20040071600A KR100683156B1 KR 100683156 B1 KR100683156 B1 KR 100683156B1 KR 1020040071600 A KR1020040071600 A KR 1020040071600A KR 20040071600 A KR20040071600 A KR 20040071600A KR 100683156 B1 KR100683156 B1 KR 100683156B1
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- protective film
- photoresist pattern
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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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
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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
- G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (6)
- 하부 보호필름과 상부 보호필름 사이에 네가티브 타입 포토레지스트가 개재된 전사필름을 마련하는 단계;상기 전사필름의 하부 보호필름을 제거하는 단계;상기 하부 보호필름이 제거된 전사필름을 박막트랜지스터가 형성되고, 상기 박막트랜지스터를 덮도록 전면 상에 보호막이 형성되며, 상기 보호막 내에 박막트랜지스터의 일부분을 노출시키는 비아홀이 형성된 구조의 유리기판 상에 라미네이션하는 단계;상기 상부 보호필름을 제거하는 단계;상기 베이크된 네가티브 타입 포토레지스트 패턴을 노광 및 현상하여 화소 경계 영역에 해당하는 보호막 부분 상에 양측면이 언더컷된 포토레지스트 패턴을 형성하는 단계;상기 포토레지스트 패턴 및 비아홀을 포함한 보호막 상에 투명 금속막을 증착하는 단계; 및상기 포토레지스트 패턴을 제거함과 아울러 포토레지스트 패턴 위에 증착된 투명 금속막을 제거하는 단계를 포함하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 화소전극 형성방법.
- 제 1 항에 있어서, 상기 전사필름의 네가티브 타입 포토레지스트는1.0∼10㎛ 두께로 개재된 것을 특징으로 하는 박막트랜지스터 액정표시장치의 화소전극 형성방법.
- 제 1 항에 있어서, 상기 전사필름의 라미네이션은 온도와 압력 조절이 가능한 롤(roll)이 탑재된 라미네이터를 이용해서 수행하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 화소전극 형성방법.
- 제 1 항에 있어서, 상기 상부 보호필름을 제거하는 단계 후, 그리고, 상기 포토레지스트 패턴을 형성하는 단계 전, 상기 보호막과 네가티브 타입 포토레지스트간 접착력이 개선되도록 상기 네가티브 타입 포토레지스트를 베이크하는 단계를 더 포함하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 화소전극 형성방법.
- 제 4 항에 있어서, 상기 베이크는 히팅용 핫 플레이트를 이용해서 50∼150℃의 온도로 수행하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 화소전극 형성방법.
- 제 1 항에 있어서, 상기 포토레지스트 패턴은 그 양측면이 10 내지 60°의 각도로 언더컷되게 형성하는 것을 특징으로 하는 박막트랜지스터 액정표시장치의 화소전극 형성방법.
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KR20060022831A KR20060022831A (ko) | 2006-03-13 |
KR100683156B1 true KR100683156B1 (ko) | 2007-02-15 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR970030925A (ko) * | 1995-11-21 | 1997-06-26 | 김광호 | 액정 표시 장치용 박막 트랜지스터 기판 및 그 제조방법 |
KR20010007536A (ko) * | 1999-06-28 | 2001-01-26 | 마찌다 가쯔히꼬 | 액정 표시 장치의 제조 방법 |
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KR970030925A (ko) * | 1995-11-21 | 1997-06-26 | 김광호 | 액정 표시 장치용 박막 트랜지스터 기판 및 그 제조방법 |
KR20010007536A (ko) * | 1999-06-28 | 2001-01-26 | 마찌다 가쯔히꼬 | 액정 표시 장치의 제조 방법 |
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