KR100333272B1 - 액정 표시장치 제조방법 및 그 제조방법에 따른 액정 표시장치 - Google Patents
액정 표시장치 제조방법 및 그 제조방법에 따른 액정 표시장치 Download PDFInfo
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- KR100333272B1 KR100333272B1 KR1019990031486A KR19990031486A KR100333272B1 KR 100333272 B1 KR100333272 B1 KR 100333272B1 KR 1019990031486 A KR1019990031486 A KR 1019990031486A KR 19990031486 A KR19990031486 A KR 19990031486A KR 100333272 B1 KR100333272 B1 KR 100333272B1
- Authority
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- South Korea
- Prior art keywords
- metal layer
- metal
- layer
- liquid crystal
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 123
- 239000002184 metal Substances 0.000 claims abstract description 123
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 9
- 150000002739 metals Chemical class 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 145
- 239000000758 substrate Substances 0.000 claims description 37
- 239000010409 thin film Substances 0.000 claims description 25
- 239000004065 semiconductor Substances 0.000 claims description 22
- 239000011651 chromium Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 16
- 239000010408 film Substances 0.000 claims description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- LNGCCWNRTBPYAG-UHFFFAOYSA-N aluminum tantalum Chemical compound [Al].[Ta] LNGCCWNRTBPYAG-UHFFFAOYSA-N 0.000 claims description 8
- 238000000059 patterning Methods 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 238000002161 passivation Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000010287 polarization Effects 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
- 239000002356 single layer Substances 0.000 description 1
- 238000004544 sputter deposition 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
- G02F1/136286—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
- H10D86/441—Interconnections, e.g. scanning lines
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 (10)
- 기판과;상기 기판 상에 형성된 게이트 전극과, 상기 게이트 전극 상에 형성된 절연막과, 상기 절연막 상에 형성된 액티브층과, 상기 액티브층 상에 형성된 소스전극과, 상기 액티브층을 중심으로 상기 소스전극과 대응되는 위치에 형성된 드레인 전극을 포함하는 박막 트랜지스터와;상기 박막 트랜지스터의 소스 전극과 연결되고, 제 1 금속층과, 상기 제 1 금속층 상부에 상기 제 1 금속층보다 작은 폭의 제 2 금속층과, 상기 제 2 금속층을 덮고 상기 제 1 금속층과 실질적으로 동일 금속 및 동일한 폭의 제 3 금속층을 포함하는 데이터 배선과;상기 드레인 전극과 접촉하는 화소전극을 포함하는 액정 표시장치.
- 청구항 1에 있어서,상기 제 1 및 제 3 금속층은 옴익특성을 나타내는 고융점 금속인 액정 표시장치.
- 청구항 2에 있어서,상기 고융점 금속은 크롬(Cr), 티타늄(Ti)로 구성된 집단에서 선택된 물질인 액정 표시장치.
- 청구항 1에 있어서,상기 제 2 금속층은 저저항의 알루미늄(Al), 알루미늄-네오듐(AlNd), 알루미늄-탄탈(AlTa)로 구성된 집단에서 선택된 물질인 액정 표시장치.
- 청구항 1에 있어서,상기 제 1 금속층의 하부에 형성되고, 상기 박막 트랜지스터의 액티브층과 동일 물질인 반도체 아일랜드를 더욱 포함하는 액정 표시장치.
- 청구항 1에 있어서,상기 제 1 금속층은 상기 제 2 금속층과 비교해서 식각비가 큰 금속인 액정 표시장치.
- 기판을 구비하는 단계와;상기 기판 상에 게이트 전극을 형성하는 단계와;상기 게이트 전극 및 노출된 기판 상에 절연막, 비정질 실리콘, 불순물이 함유된 비정질 실리콘을 증착하고 선택적으로 식각하여 액티브층 및 반도체 아일랜드를 형성하는 단계와;상기 액티브층과 반도체 아일랜드 및 기판의 전면에 걸쳐 제 1 금속층 및 제 2 금속층을 연속으로 증착하고, 상기 반도체 아일랜드 상부 상기 제 2 금속층을 패터닝하여 제 2 데이터 금속을 형성하는 단계와;상기 제 2 데이터 금속 및 노출된 상기 제 1 금속층 상에 제 3 금속층을 증착하고 동시에 패터닝하여 상기 액티브층 상부에 소스 및 드레인 전극과, 상기 반도체 아일랜드 상부에 상기 제 2 데이터 금속층의 폭보다 큰 제 1 데이터 금속층 및 제 3 데이터 금속층을 형성하여 상기 제 1, 제 2, 제 3 데이터 금속층으로 구성되는 데이터 배선을 형성하는 단계와;상기 드레인 전극과 접촉하는 화소전극을 형성하는 단계를 포함하는 액정 표시장치 제조방법.
- 청구항 5에 있어서,상기 제 3 금속층 및 상기 제 1 금속층은 고융점의 크롬(Cr), 티타늄(Ti)로구성된 집단에서 선택된 물질인 액정 표시장치 제조방법.
- 청구항 5에 있어서,상기 제 2 금속층은 저저항의 알루미늄(Al), 알루미늄-네오듐(AlNd), 알루미늄-탄탈(AlTa)로 구성된 집단에서 선택된 물질인 액정 표시장치 제조방법.
- 청구항 5에 있어서,상기 데이터 배선 형성후에 상기 데이터 배선이 형성된 기판 전면에 걸쳐 보호막을 증착하고 상기 드레인 전극의 일부가 노출되도록 패터닝하는 단계를 더욱 포함하는 액정 표시장치 제조방법.
Priority Applications (1)
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KR1019990031486A KR100333272B1 (ko) | 1999-07-31 | 1999-07-31 | 액정 표시장치 제조방법 및 그 제조방법에 따른 액정 표시장치 |
Applications Claiming Priority (1)
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KR1019990031486A KR100333272B1 (ko) | 1999-07-31 | 1999-07-31 | 액정 표시장치 제조방법 및 그 제조방법에 따른 액정 표시장치 |
Publications (2)
Publication Number | Publication Date |
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KR20010011901A KR20010011901A (ko) | 2001-02-15 |
KR100333272B1 true KR100333272B1 (ko) | 2002-04-24 |
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KR1019990031486A Expired - Lifetime KR100333272B1 (ko) | 1999-07-31 | 1999-07-31 | 액정 표시장치 제조방법 및 그 제조방법에 따른 액정 표시장치 |
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KR (1) | KR100333272B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002202527A (ja) * | 2000-12-28 | 2002-07-19 | Nec Corp | アクティブマトリクス型液晶表示装置 |
KR100889536B1 (ko) * | 2002-11-14 | 2009-03-23 | 엘지디스플레이 주식회사 | 액정표시장치 및 이를 이용한 액정표시소자의 제조방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05203988A (ja) * | 1992-01-29 | 1993-08-13 | Sharp Corp | アクテイブマトリックス駆動方式散乱型液晶表示装置の製造方法 |
KR19980072356A (ko) * | 1997-03-04 | 1998-11-05 | 구자홍 | 액정 표시 장치 및 그 제조 방법 |
-
1999
- 1999-07-31 KR KR1019990031486A patent/KR100333272B1/ko not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05203988A (ja) * | 1992-01-29 | 1993-08-13 | Sharp Corp | アクテイブマトリックス駆動方式散乱型液晶表示装置の製造方法 |
KR19980072356A (ko) * | 1997-03-04 | 1998-11-05 | 구자홍 | 액정 표시 장치 및 그 제조 방법 |
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KR20010011901A (ko) | 2001-02-15 |
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