KR100924140B1 - 평판 표시 장치의 제조 방법 - Google Patents
평판 표시 장치의 제조 방법 Download PDFInfo
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- KR100924140B1 KR100924140B1 KR1020080016303A KR20080016303A KR100924140B1 KR 100924140 B1 KR100924140 B1 KR 100924140B1 KR 1020080016303 A KR1020080016303 A KR 1020080016303A KR 20080016303 A KR20080016303 A KR 20080016303A KR 100924140 B1 KR100924140 B1 KR 100924140B1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000010408 film Substances 0.000 claims abstract description 41
- 239000010410 layer Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000007772 electrode material Substances 0.000 claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 238000005530 etching Methods 0.000 claims abstract description 17
- 239000010409 thin film Substances 0.000 claims abstract description 12
- 238000000059 patterning Methods 0.000 claims abstract description 7
- 239000011229 interlayer Substances 0.000 claims abstract description 6
- 238000002161 passivation Methods 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910017855 NH 4 F Inorganic materials 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000011550 stock solution Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 description 15
- 230000005611 electricity Effects 0.000 description 14
- 230000003068 static effect Effects 0.000 description 14
- 239000004020 conductor Substances 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910000599 Cr alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 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
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- XLSZMDLNRCVEIJ-UHFFFAOYSA-N methylimidazole Natural products CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000206 photolithography Methods 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
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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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
- G02F1/136—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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (7)
- 기판 상에 다수개의 스캔 라인과 다수개의 데이터 라인을 형성하고;상기 다수개의 스캔 라인의 끝부분에 형성되어 상기 스캔 라인을 하나로 묶는 정전기 방지 배선을 형성하고;상기 정전기 방지 배선과 동시에 형성되는 게이트 전극을 포함하는 박막 트랜지스터를 상기 기판 상에 형성하며, 상기 박막 트랜지스터 내에는 상기 정전기 방지 배선을 노출시키는 홀을 구비하는 게이트 절연막 또는 층간 절연막을 형성하고;상기 박막 트랜지스터 상에 소스/드레인 전극을 노출시키는 비아홀 및 상기 정전기 방지 배선 컷팅을 위한 홀을 구비하는 보호막을 형성하고;상기 보호막 상에 제 1 전극 물질을 형성한 후, 상기 제 1 전극 물질을 패터닝하는 것과 상기 홀을 통해 노출된 정전기 방지 배선을 컷팅하는 것이 동일한 식각액에 의해 동시에 이루어지는 것을 특징으로 하는 평판 표시장치의 제조방법.
- 제 1항에 있어서,상기 소스/드레인 전극은 Ti/Cu/Ti, Ta/Cu/Ta, Ta 및 Cu의 이층막, Ti 및 Cu의 이층막으로 이루어지는 것을 특징으로 하는 평판 표시장치의 제조방법.
- 제 2항에 있어서,상기 소스/드레인 전극은 주식각액이 NH4F 또는 HF인 물질을 포함하는 식각액을 사용하여 상기 도전막을 패터닝하여 상기 소스/드레인 전극을 형성하는 것을 특징으로 하는 평판 표시장치의 제조방법.
- 제 1항에 있어서,상기 정전기 방지 배선 컷팅을 위한 홀은 상기 노출되는 정전기 방지 배선의 폭과 동일한 폭을 갖는 것을 특징으로 하는 평판 표시 장치의 제조방법.
- 제 2항에 있어서,상기 게이트 전극 및 정전기 방지 배선은 Mo, Al, Cr 및 이들 각각의 합금을 이용하거나, Al과 Mo의 이층막 또는 Cr과 Al의 이층막으로 하여 형성하는 것을 특징으로 하는 평판 표시장치의 제조방법.
- 제 2항에 있어서,상기 제 1 전극 물질은 Ag/ITO, ITO/Ag/ITO, Al 합금/ITO 및 ITO/Al 합금/ITO로 이루어지는 군으로부터 선택된 어느 하나인 것을 특징으로 하는 평판 표시장치의 제조방법.
- 제 2항에 있어서,상기 제 1 전극 및 정전기 방지 배선을 식각하기 위한 식각액으로써, 주식각액이 인산을 포함하는 식각액을 사용하는 것을 특징으로 하는 평판 표시장치의 제조방법.
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KR1020080016303A KR100924140B1 (ko) | 2008-02-22 | 2008-02-22 | 평판 표시 장치의 제조 방법 |
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KR20090090819A KR20090090819A (ko) | 2009-08-26 |
KR100924140B1 true KR100924140B1 (ko) | 2009-10-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9823531B2 (en) | 2013-08-14 | 2017-11-21 | Samsung Display Co., Ltd. | Thin film transistor array panel, manufacturing method thereof, and display device including the thin film transistor array panel |
Families Citing this family (1)
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KR101683469B1 (ko) * | 2010-08-09 | 2016-12-07 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 구동방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20000060803A (ko) * | 1999-03-19 | 2000-10-16 | 윤종용 | 액정 표시 장치 및 그 제조 방법 |
JP2003295214A (ja) * | 2002-03-29 | 2003-10-15 | Matsushita Electric Ind Co Ltd | 液晶表示装置の製造方法 |
JP2007316348A (ja) * | 2006-05-25 | 2007-12-06 | Canon Inc | 薄膜トランジスタ基板の製造方法 |
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KR20000060803A (ko) * | 1999-03-19 | 2000-10-16 | 윤종용 | 액정 표시 장치 및 그 제조 방법 |
JP2003295214A (ja) * | 2002-03-29 | 2003-10-15 | Matsushita Electric Ind Co Ltd | 液晶表示装置の製造方法 |
JP2007316348A (ja) * | 2006-05-25 | 2007-12-06 | Canon Inc | 薄膜トランジスタ基板の製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US9823531B2 (en) | 2013-08-14 | 2017-11-21 | Samsung Display Co., Ltd. | Thin film transistor array panel, manufacturing method thereof, and display device including the thin film transistor array panel |
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