KR102543167B1 - 배선 기판, 이를 포함하는 표시 장치 및 배선 기판의 제조 방법 - Google Patents
배선 기판, 이를 포함하는 표시 장치 및 배선 기판의 제조 방법 Download PDFInfo
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- KR102543167B1 KR102543167B1 KR1020170118647A KR20170118647A KR102543167B1 KR 102543167 B1 KR102543167 B1 KR 102543167B1 KR 1020170118647 A KR1020170118647 A KR 1020170118647A KR 20170118647 A KR20170118647 A KR 20170118647A KR 102543167 B1 KR102543167 B1 KR 102543167B1
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- metal oxide
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- 229910052802 copper Inorganic materials 0.000 claims description 8
- -1 cyclic amine compound Chemical class 0.000 claims description 8
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 239000012535 impurity Substances 0.000 description 1
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000005385 peroxodisulfate group Chemical group 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
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- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- VBKNTGMWIPUCRF-UHFFFAOYSA-M potassium;fluoride;hydrofluoride Chemical compound F.[F-].[K+] VBKNTGMWIPUCRF-UHFFFAOYSA-M 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
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- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- BFXAWOHHDUIALU-UHFFFAOYSA-M sodium;hydron;difluoride Chemical compound F.[F-].[Na+] BFXAWOHHDUIALU-UHFFFAOYSA-M 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02F1/133553—Reflecting elements
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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
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- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
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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
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/2855—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by physical means, e.g. sputtering, evaporation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
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- H01L29/7869—
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/6737—Thin-film transistors [TFT] characterised by the electrodes characterised by the electrode materials
- H10D30/6739—Conductor-insulator-semiconductor electrodes
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Abstract
Description
도 2는 도 1의 표시 장치의 임의의 화소들의 레이아웃이다.
도 3은 도 2의 Ⅲ-Ⅲ' 선을 따라 절개한 단면도이다.
도 4는 도 2의 Ⅳa-Ⅳa' 선, Ⅳb-Ⅳb' 선 및 Ⅳc-Ⅳc' 선을 따라 절개한 비교 단면도이다.
도 5는 도 2의 제1 배선층과 제2 배선층을 나타낸 단면도이다.
도 6 내지 도 13은 본 발명의 일 실시예에 따른 배선 기판의 제조 방법을 나타낸 도면들이다.
도 14는 실험예 1 내지 실험예 4에 따라 형성된 적층체 패턴의 현미경 이미지이다.
도 15는 실험예 1 내지 실험예 4에 따른 MoxTayOz 막의 팁 길이를 나타낸 그래프이다.
도 16은 실험예 1 내지 실험예 4에 따른 적층체 패턴의 가시 광선 파장 대역에서의 광 반사율을 측정한 그래프이다.
도 17a 내지 도 17c는 실험예 5 내지 실험예 13에 따른 현미경 이미지들이다.
도 18은 실험예 14에 따른 시뮬레이션 결과이다.
광 반사율(%) | ||
평균 반사율 | 550nm에서의 반사율 | |
실험예 1 | 8.61 | 5.34 |
실험예 2 | 8.41 | 4.72 |
실험예 3 | 8.94 | 5.47 |
실험예 4 | 8.46 | 8.65 |
130: 제2 베이스
200: 제1 배선층
400: 액티브층
500: 제2 배선층
600: 화소 전극
700: 차광 부재
900: 공통 전극
Claims (20)
- 제1 베이스; 및
상기 제1 베이스 상에 배치되고, 상호 적층된 도전성 금속층 및 금속 산화물층을 포함하는 제1 배선층을 포함하되,
상기 금속 산화물층은 MoxTayOz를 포함하여 이루어지고, 금속 원자 중의 탄탈럼 함량이 2.0 at% 이하이고(단, x, y, z는 0보다 큰 수),
상기 금속 산화물층의 측벽은 상기 도전성 금속층의 측벽보다 돌출되어 팁을 형성하는 표시 장치. - 제1항에 있어서,
상기 도전성 금속층은 복수의 층으로 이루어진 불투광성층이고,
상기 금속 산화물층의 광 반사율은 상기 금속 산화물층과 접촉하는 상기 도전성 금속층의 최상층의 광 반사율보다 작은 표시 장치. - 제1항에 있어서,
상기 도전성 금속층은 상기 제1 베이스와 상기 금속 산화물층 사이에 배치되고,
상기 금속 산화물층은 상기 제1 배선층의 최상층인 표시 장치. - 제1항에 있어서,
상기 도전성 금속층은 상기 제1 베이스와 상기 금속 산화물층 사이에 배치되고,
상기 금속 산화물층 측으로부터 입사된 550nm 파장의 광에 대한 상기 제1 배선층의 반사율은 6.0% 이하인 표시 장치. - 제1항에 있어서,
상기 도전성 금속층은,
상기 제1 베이스 상에 배치되는 제1 금속층, 및
상기 제1 금속층과 상기 금속 산화물층 사이에 배치되고, 상기 제1 금속층보다 큰 전기 전도도를 갖는 제2 금속층을 포함하는 표시 장치. - 제5항에 있어서,
상기 제2 금속층의 두께는 상기 제1 금속층의 두께보다 큰 표시 장치. - 제5항에 있어서,
상기 제1 금속층은 내화 금속을 포함하여 이루어지고,
상기 제2 금속층은 구리, 은, 알루미늄, 또는 이들의 합금을 포함하여 이루어진 표시 장치. - 제1항에 있어서,
상기 도전성 금속층은,
상기 제1 베이스 상에 배치되는 제1 금속층, 및
상기 제1 금속층과 상기 금속 산화물층 사이에 배치되고, 상기 제1 금속층 및 상기 금속 산화물층과 맞닿는 제2 금속층을 포함하고,
상기 금속 산화물층의 두께는 상기 제1 금속층의 두께보다 크고 상기 제2 금속층의 두께보다 작으며,
상기 금속 산화물층의 두께는 300Å 내지 550Å인 표시 장치. - 제1항에 있어서,
상기 도전성 금속층은,
상기 제1 베이스 상에 배치되는 제1 금속층, 및
상기 제1 금속층과 상기 금속 산화물층 사이에 배치되고, 상기 제1 금속층과 맞닿는 제2 금속층을 포함하고,
상기 제1 금속층의 상기 제2 금속층과 대면하는 면의 폭은 상기 제2 금속층의 상기 제1 금속층과 대면하는 면의 폭보다 큰 표시 장치. - 삭제
- 제5항에 있어서,
상기 제1 배선층과 부분적으로 교차하고, 상기 제1 배선층과 절연되도록 배치되며, 상호 적층된 도전성 금속층 및 금속 산화물층을 포함하는 제2 배선층을 더 포함하되,
상기 제2 배선층의 상기 금속 산화물층은 MoxTayOz를 포함하여 이루어지고(단, x, y, z는 0보다 큰 수), 금속 원자 중의 탄탈럼 함량이 2.0 at% 이하인 표시 장치. - 제11항에 있어서,
상기 제1 배선층과 상기 제2 배선층 사이에 배치된 반도체 물질층을 더 포함하되,
상기 제1 베이스는 글라스 기판이고,
상기 제1 배선층의 상기 도전성 금속층은 상기 제1 베이스 상에 직접 배치되는 표시 장치. - 제11항에 있어서,
상기 제1 배선층은 제1 방향으로 연장된 게이트 신호 배선, 및 유지 전극을 포함하고,
상기 제2 배선층은 상기 제1 방향과 교차하는 제2 방향으로 연장된 데이터 신호 배선을 포함하는 표시 장치. - 제13항에 있어서,
상기 제2 배선층의 도전성 금속층은, 제3 금속층 및 상기 제3 금속층과 상기 금속 산화물층 사이에 배치된 제4 금속층을 포함하고,
상기 제1 금속층의 두께는 상기 제3 금속층의 두께보다 크고,
상기 제2 금속층의 두께는 상기 제4 금속층의 두께보다 큰 표시 장치. - 제13항에 있어서,
상기 제2 배선층에서,
상기 금속 산화물층의 측벽은 상기 도전성 금속층의 측벽보다 돌출되어 팁을 형성하고,
상기 제2 배선층의 상기 금속 산화물층의 팁의 길이는 상기 제1 배선층의 상기 금속 산화물층의 팁의 길이보다 긴 표시 장치. - 제1 베이스;
상기 제1 베이스 상에 배치되고, 상호 적층된 도전성 금속층 및 금속 산화물층을 포함하는 제1 배선층;
상기 제1 배선층과 부분적으로 교차하고, 상기 제1 배선층과 절연되도록 배치되며, 상기 상호 적층된 도전성 금속층 및 금속 산화물층을 포함하는 제2 배선층; 및
상기 제2 배선층 상에 배치되고 제1 방향으로 연장된 라인 형상의 차광 부재를 포함하되,
상기 금속 산화물층은 MoxTayOz를 포함하여 이루어지고, 금속 원자 중의 탄탈럼 함량이 2.0 at% 이하이고(단, x, y, z는 0보다 큰 수),
상기 제1 배선층은 제1 방향으로 연장된 게이트 신호 배선, 및 유지 전극을 포함하고,
상기 제2 배선층은 상기 제1 방향과 교차하는 제2 방향으로 연장된 데이터 신호 배선을 포함하고,
상기 유지 전극은 상기 제1 방향으로 연장된 부분 및 상기 제2 방향으로 연장된 부분을 포함하고,
상기 게이트 신호 배선은 상기 차광 부재와 완전히 중첩하고,
상기 유지 전극은 상기 차광 부재와 부분적으로 중첩하되, 상기 제2 방향으로 연장된 부분의 적어도 일부는 상기 차광 부재와 중첩하지 않으며,
상기 데이터 신호 배선은 상기 차광 부재와 부분적으로 중첩하되, 상기 데이터 신호 배선의 적어도 일부는 상기 차광 부재와 중첩하지 않는 표시 장치. - 베이스;
상기 베이스 상에 배치된 도전성 금속층; 및
상기 도전성 금속층 상에 배치된 금속 산화물층을 포함하되,
상기 금속 산화물층은 MoxTayOz를 포함하여 이루어지고, 금속 원자 중의 탄탈럼 함량이 2.0 at% 이하이고(단, x, y, z는 0보다 큰 수),
상기 금속 산화물층의 측벽은 상기 도전성 금속층의 측벽보다 돌출되어 팁을 형성하는 배선 기판. - 베이스 상에 도전성 금속층 및 금속 산화물층을 순차 형성하는 단계;
상기 금속 산화물층 상에 마스크 패턴을 형성하는 단계; 및
상기 도전성 금속층 및 상기 금속 산화물층을 일괄 식각하여 배선을 형성하는 단계를 포함하되,
상기 금속 산화물층은 MoxTayOz를 포함하여 이루어지고, 금속 원자 중의 탄탈럼 함량이 2.0 at% 이하이고(단, x, y, z는 0보다 큰 수),
상기 금속 산화물층의 측벽은 상기 도전성 금속층의 측벽보다 돌출되어 팁을 형성하는 배선 기판의 제조 방법. - 제18항에 있어서,
상기 금속 산화물층을 형성하는 단계는 스퍼터링을 이용하여 금속 산화물층을 형성하는 단계이고,
상기 스퍼터링은 불활성 가스 분위기 하에서 진행되고,
상기 스퍼터링의 타겟은 MoxTayOz를 포함하여 이루어지고(단, x, y, z는 0보다 큰 수), 금속 원자 중의 탄탈럼 함량이 2.0 at% 이하인 배선 기판의 제조 방법. - 베이스 상에 도전성 금속층 및 금속 산화물층을 순차 형성하는 단계;
상기 금속 산화물층 상에 마스크 패턴을 형성하는 단계; 및
상기 도전성 금속층 및 상기 금속 산화물층을 일괄 식각하여 배선을 형성하는 단계를 포함하되,
상기 금속 산화물층은 MoxTayOz를 포함하여 이루어지고, 금속 원자 중의 탄탈럼 함량이 2.0 at% 이하이고(단, x, y, z는 0보다 큰 수),
상기 식각하는 단계는 식각액을 이용하여 습식 식각하는 단계이고,
상기 식각액은,
과산화황산염 10.0 중량% 내지 20.0 중량%,
유기산 0.1 중량% 내지 5.0 중량%,
함불소화합물 0.1 중량% 내지 1.5 중량%,
고리형 아민 화합물 0.01 중량% 내지 2.0 중량%, 및
잔량의 물을 포함하는 배선 기판의 제조 방법.
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