KR100701654B1 - 액정표시소자의 데이터 라인 형성방법 - Google Patents
액정표시소자의 데이터 라인 형성방법 Download PDFInfo
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- KR100701654B1 KR100701654B1 KR1019990025245A KR19990025245A KR100701654B1 KR 100701654 B1 KR100701654 B1 KR 100701654B1 KR 1019990025245 A KR1019990025245 A KR 1019990025245A KR 19990025245 A KR19990025245 A KR 19990025245A KR 100701654 B1 KR100701654 B1 KR 100701654B1
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 96
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000005530 etching Methods 0.000 claims abstract description 16
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 5
- 239000004065 semiconductor Substances 0.000 claims abstract description 5
- 238000002161 passivation Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 description 89
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000007547 defect Effects 0.000 description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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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
- G02F1/136286—Wiring, e.g. gate line, drain line
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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
- G02F1/136—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
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- 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
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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
- G02F1/136286—Wiring, e.g. gate line, drain line
- G02F1/136295—Materials; Compositions; Manufacture processes
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Abstract
Description
여기서, 상기 소오스/드레인 전극(6a, 6b)은 데이터 라인(도시안됨)의 형성시에 함께 형성된 것이며, 상기 소오스/드레인 전극(6a, 6b)을 포함한 데이터 라인은 300∼500Å의 하부 Mo 금속막과 2000∼3000Å의 Al 금속막 및 300∼500Å의 상부 Mo 금속막이 순차적으로 적층된 적층 구조(Mo/Al/Mo)로 이루어진다.
이하, 첨부된 도면에 의거하여 본 발명의 바람직한 실시예를 상세하게 설명하도록 한다.
도시된 바와 같이, 데이터 라인(40)은 종래와 마찬가지로 하부 Mo 금속막(31)과 Al 금속막(32) 및 상부 Mo 금속막(33)의 적층 구조로 형성되지만, 상기 하부 Mo 금속막(31)이 상기 Al 금속막(32)에 대한 리던던시 기능을 수행할 수 있도록, 그 두께를 종래 보다 증가시킨다.
Claims (2)
- 유리기판 상에 게이트 라인, 게이트절연막, 반도체층, 오믹층 및 소오스/드레인 전극을 포함하는 TFT가 형성되고, 상기 게이트 라인과 수직 교차하게 데이터 라인이 형성되며, 상기 TFT 및 데이터 라인을 덮도록 유리기판의 전면 상에는 보호막이 형성되고, 상기 보호막 상에는 상기 보호막 내에 소오스 전극을 노출시키도록 형성한 콘택홀을 통해 상기 소오스 전극과 전기적으로 연결되는 ITO 금속막으로 이루어진 화소전극이 형성된 탑 ITO 구조를 갖는 액정표시소자의 데이터 라인 형성방법에 있어서,상기 소오스/드레인 전극을 포함한 데이터 라인은 하부 Mo 금속막과 Al 금속막 및 상부 Mo 금속막이 순차적으로 적층된 3층 구조로 형성하되, 상기 콘택홀 형성을 위한 보호막의 식각 공정과 상기 화소전극을 형성하기 위한 ITO 금속막의 식각 공정시 식각액에 의해 Al 금속막이 손상을 받을 경우 상기 하부 Mo 금속막이 Al 금속막의 리던던시 기능을 하도록 상기 Al 금속막은 1000∼1100Å 두께로 형성하며, 상기 하부 Mo 금속막은 상기 Al 금속막의 두께와 동일하거나 더 두꺼운 1000∼1200Å 두께로 형성하고, 상기 상부 Mo 금속막은 500∼600Å 두께로 형성하는 것을 특징으로 하는 액정표시소자의 데이터 라인 형성방법.
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KR1019990025245A KR100701654B1 (ko) | 1999-06-29 | 1999-06-29 | 액정표시소자의 데이터 라인 형성방법 |
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KR1019990025245A KR100701654B1 (ko) | 1999-06-29 | 1999-06-29 | 액정표시소자의 데이터 라인 형성방법 |
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KR20010004555A KR20010004555A (ko) | 2001-01-15 |
KR100701654B1 true KR100701654B1 (ko) | 2007-03-30 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06294973A (ja) * | 1993-04-07 | 1994-10-21 | Toshiba Corp | 液晶表示装置用アレイ基板 |
JPH0764109A (ja) * | 1993-08-25 | 1995-03-10 | Toshiba Corp | 液晶表示装置 |
JPH0854648A (ja) * | 1994-08-10 | 1996-02-27 | Toshiba Corp | 液晶表示装置 |
JPH0862628A (ja) * | 1994-08-16 | 1996-03-08 | Toshiba Corp | 液晶表示素子およびその製造方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06294973A (ja) * | 1993-04-07 | 1994-10-21 | Toshiba Corp | 液晶表示装置用アレイ基板 |
JPH0764109A (ja) * | 1993-08-25 | 1995-03-10 | Toshiba Corp | 液晶表示装置 |
JPH0854648A (ja) * | 1994-08-10 | 1996-02-27 | Toshiba Corp | 液晶表示装置 |
JPH0862628A (ja) * | 1994-08-16 | 1996-03-08 | Toshiba Corp | 液晶表示素子およびその製造方法 |
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