KR100701658B1 - 액정표시장치의 제조방법 - Google Patents
액정표시장치의 제조방법 Download PDFInfo
- Publication number
- KR100701658B1 KR100701658B1 KR1020010033453A KR20010033453A KR100701658B1 KR 100701658 B1 KR100701658 B1 KR 100701658B1 KR 1020010033453 A KR1020010033453 A KR 1020010033453A KR 20010033453 A KR20010033453 A KR 20010033453A KR 100701658 B1 KR100701658 B1 KR 100701658B1
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- South Korea
- Prior art keywords
- pattern
- passivation layer
- forming
- drain electrode
- protective film
- Prior art date
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000010408 film Substances 0.000 claims abstract description 88
- 230000001681 protective effect Effects 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000010409 thin film Substances 0.000 claims abstract description 15
- 238000005530 etching Methods 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims description 38
- 229920005989 resin Polymers 0.000 claims description 38
- 238000002161 passivation Methods 0.000 claims description 28
- 238000004380 ashing Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 238000001312 dry etching Methods 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 238000000151 deposition Methods 0.000 description 6
- 238000000206 photolithography Methods 0.000 description 6
- 230000008021 deposition Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- -1 acryl Chemical group 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
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
- G02F1/1333—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
-
- 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)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Liquid Crystal (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- Optics & Photonics (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (10)
- 드레인전극을 포함한 박막트랜지스터가 형성된 글라스기판을 제공하는 공정과,상기 기판 상에 상기 박막트랜지스터를 덮는 보호막을 형성하는 공정과,상기 보호막 상에 상기 드레인전극과 대응되는 부분을 노출시키고, 온도변화에 의해 유동성을 가지며 상기 보호막과 식각선택성이 다른 레진 재질의 제 1패턴을 형성하는 공정과,상기 제 1패턴을 식각마스크로 하여 상기 보호막을 식각하여 상기 드레인전극을 노출시키는 개구부를 가진 보호막 패턴을 형성하는 공정과,상기 제 1패턴을 열처리하여 상기 보호막 패턴의 측면을 덮는 제 2패턴을 형성하는 공정과,상기 제 2패턴 상에 상기 개구부를 덮는 화소전극을 형성하는 공정을 포함하여 구성되는 것을 특징으로 하는 액정표시장치의 제조방법.
- 제 1항에 있어서, 상기 보호막 패턴은 상기 보호막을 건식 또는 습식 식각하여 형성하는 것을 특징으로 하는 액정표시장치의 제조방법.
- 삭제
- 삭제
- 제 1항에 있어서, 상기 열처리는 150∼250℃의 온도에서 진행하는 것을 특징으로 하는 액정표시장치의 제조방법.
- 드레인전극을 포함한 박막트랜지스터가 형성된 글라스기판을 제공하는 공정과,상기 기판 상에 상기 박막트랜지스터를 덮는 보호막을 형성하는 공정과,상기 보호막 상에 상기 드레인전극과 대응되는 부분을 노출시키며, 상기 보호막과 식각선택성이 다른 레진 재질의 제 1 패턴을 형성하는 공정과,상기 제 1패턴을 식각마스크로 이용하여 상기 보호막을 제거하여 상기 드레인전극을 노출시키는 개구부를 가진 보호막 패턴을 형성하는 공정과,상기 제 1패턴을 에싱처리하여 상기 제 1패턴을 상기 보호막 패턴의 폭과 동일하거나 그 이상의 폭을 가진 제 2패턴으로 변형시키는 공정과,상기 제 2 패턴 상에 상기 개구부를 덮는 화소전극을 형성하는 공정을 포함하여 구성되는 것을 특징으로 하는 액정표시장치의 제조방법.
- 상기 6항에 있어서, 상기 에싱처리는 산소플라즈마를 이용한 것을 특징으로 하는 액정표시장치의 제조방법.
- 제 6항에 있어서, 상기 보호막 패턴은 상기 보호막을 건식 또는 습식식각하여 형성하는 것을 특징으로 하는 액정표시장치의 제조방법.
- 삭제
- 삭제
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KR1020010033453A KR100701658B1 (ko) | 2001-06-14 | 2001-06-14 | 액정표시장치의 제조방법 |
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KR1020010033453A KR100701658B1 (ko) | 2001-06-14 | 2001-06-14 | 액정표시장치의 제조방법 |
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KR20020095506A KR20020095506A (ko) | 2002-12-27 |
KR100701658B1 true KR100701658B1 (ko) | 2007-03-30 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06112488A (ja) * | 1992-09-29 | 1994-04-22 | Matsushita Electric Ind Co Ltd | 絶縁膜の製造方法及びこれを用いた薄膜トランジスター素子 |
JPH11111985A (ja) * | 1997-09-30 | 1999-04-23 | Toshiba Corp | 薄膜トランジスタの製造方法および液晶表示装置の製造方法 |
JP2000155335A (ja) * | 1998-11-20 | 2000-06-06 | Advanced Display Inc | 液晶表示装置の製造方法 |
KR20010028042A (ko) * | 1999-09-17 | 2001-04-06 | 윤종용 | 액정 표시 장치용 박막 트랜지스터 기판의 제조 방법 |
KR20020006371A (ko) * | 2000-07-12 | 2002-01-19 | 윤종용 | 액정 표시 장치용 박막 트랜지스터 기판의 제조 방법 |
-
2001
- 2001-06-14 KR KR1020010033453A patent/KR100701658B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06112488A (ja) * | 1992-09-29 | 1994-04-22 | Matsushita Electric Ind Co Ltd | 絶縁膜の製造方法及びこれを用いた薄膜トランジスター素子 |
JPH11111985A (ja) * | 1997-09-30 | 1999-04-23 | Toshiba Corp | 薄膜トランジスタの製造方法および液晶表示装置の製造方法 |
JP2000155335A (ja) * | 1998-11-20 | 2000-06-06 | Advanced Display Inc | 液晶表示装置の製造方法 |
KR20010028042A (ko) * | 1999-09-17 | 2001-04-06 | 윤종용 | 액정 표시 장치용 박막 트랜지스터 기판의 제조 방법 |
KR20020006371A (ko) * | 2000-07-12 | 2002-01-19 | 윤종용 | 액정 표시 장치용 박막 트랜지스터 기판의 제조 방법 |
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KR20020095506A (ko) | 2002-12-27 |
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