KR20010081579A - 액정 표시장치 및 그 제조방법 - Google Patents
액정 표시장치 및 그 제조방법 Download PDFInfo
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- KR20010081579A KR20010081579A KR1020000007386A KR20000007386A KR20010081579A KR 20010081579 A KR20010081579 A KR 20010081579A KR 1020000007386 A KR1020000007386 A KR 1020000007386A KR 20000007386 A KR20000007386 A KR 20000007386A KR 20010081579 A KR20010081579 A KR 20010081579A
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- electrode
- liquid crystal
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- gate
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 55
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 43
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 40
- 239000003990 capacitor Substances 0.000 claims abstract description 29
- 238000005530 etching Methods 0.000 claims abstract description 26
- 238000002161 passivation Methods 0.000 claims abstract description 24
- 238000000059 patterning Methods 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 238000000151 deposition Methods 0.000 claims abstract description 15
- 239000010408 film Substances 0.000 claims description 37
- 239000010409 thin film Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 14
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 3
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 67
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 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
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- 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
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Geometry (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (5)
- 화소영역과 스위칭 영역이 정의된 기판과;상기 화소영역의 가로 및 세로 방향으로 형성된 게이트 및 데이터 배선과;상기 게이트 및 데이터 배선에서 신호를 인가 받고, 상기 스위칭 영역에 형성된 게이트, 소스, 드레인 전극, 액티브층을 포함하는 박막 트랜지스터와;상기 박막 트랜지스터 상에 형성되며, 상기 박막 트랜지스터를 보호하는 보호막과;상기 박막 트랜지스터의 드레인 전극과 접촉하며, 상기 화소영역에 형성된 화소전극과;상기 박막 트랜지스터 상의 상기 보호막 상에 형성된 식각 방지부를 포함하는 액정 표시장치의 어레이 기판.
- 청구항 1에 있어서,상기 식각 방지부는 상기 화소전극과 동일 물질인 액정 표시장치의 어레이 기판.
- 청구항 1에 있어서,상기 화소전극은 인듐-틴-옥사이드(ITO), 인듐-징크-옥사이드(IZO)인 액정 표시장치의 어레이 기판.
- 기판을 구비하는 단계와;상기 기판 상에 제 1 금속층을 증착하고 패터닝하여 게이트 전극과 게이트 배선을 형성하는 단계와;상기 패터닝된 제 1 금속층 및 기판 전면에 걸쳐 절연막, 순수 비정질 실리콘, 불순물 비정질 실리콘, 제 2 금속층을 순서대로 형성하고, 상기 제 2 금속층을 패터닝하여 소스전극, 드레인 전극, 캐패시터 전극을 각각 형성하는 단계와;상기 패터닝된 제 2 금속에 의해 노출된 불순물 비정질 실리콘을 식각하여 채널을 형성하는 단계와;상기 패터닝된 제 2 금속층 상에 절연막을 증착하고 패터닝하여 상기 패터닝된 제 2 금속을 덮으며, 상기 드레인 전극 및 캐패시터 전극의 일부가 각각 노출된 드레인 콘택홀 및 캐패시터 콘택홀을 갖는 보호막을 형성하는 단계와;상기 보호막 및 기판 전면에 걸쳐 투명 도전물질을 증착하고 패터닝하여 상기 드레인 콘택홀 및 캐패시터 콘택홀을 통해 상기 드레인 전극 및 캐패시터 전극과 접촉하는 화소전극 및 상기 채널 상부 상기 보호막 상에 식각 방지막을 각각 형성하는 단계와;상기 패터닝된 투명 도전물질을 마스크로하여 패터닝된 투명도전 물질에 의해 노출된 보호막 및 상기 패터닝된 제 2 금속층에 의해 노출된 비정질 실리콘을 일괄식각하는 단계를 포함하는 액정 표시장치의 어레이 기판 제조방법.
- 청구항 4에 있어서,상기 투명 도전물질은 인듐-틴-옥사이드(ITO), 인듐-징크-옥사이드(IZO)인 액정 표시장치의 어레이 기판 제조방법.
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KR1020000007386A KR100654777B1 (ko) | 2000-02-16 | 2000-02-16 | 액정 표시장치 및 그 제조방법 |
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KR1020000007386A KR100654777B1 (ko) | 2000-02-16 | 2000-02-16 | 액정 표시장치 및 그 제조방법 |
Publications (2)
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KR20010081579A true KR20010081579A (ko) | 2001-08-29 |
KR100654777B1 KR100654777B1 (ko) | 2006-12-08 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101234212B1 (ko) * | 2005-09-05 | 2013-02-18 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
US8420457B2 (en) | 2008-03-13 | 2013-04-16 | Samsung Display Co., Ltd. | Thin film transistor and method of manufacturing the same |
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KR100205867B1 (ko) * | 1996-05-21 | 1999-07-01 | 구자홍 | 액티브매트릭스기판의 제조방법 및 그 방법에 의해제조되는액티브매트릭스기판 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101234212B1 (ko) * | 2005-09-05 | 2013-02-18 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
US8420457B2 (en) | 2008-03-13 | 2013-04-16 | Samsung Display Co., Ltd. | Thin film transistor and method of manufacturing the same |
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