KR102687941B1 - 표시 장치 및 표시 장치의 제조 방법 - Google Patents
표시 장치 및 표시 장치의 제조 방법 Download PDFInfo
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- KR102687941B1 KR102687941B1 KR1020160138377A KR20160138377A KR102687941B1 KR 102687941 B1 KR102687941 B1 KR 102687941B1 KR 1020160138377 A KR1020160138377 A KR 1020160138377A KR 20160138377 A KR20160138377 A KR 20160138377A KR 102687941 B1 KR102687941 B1 KR 102687941B1
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- 238000000034 method Methods 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000010410 layer Substances 0.000 claims abstract description 246
- 239000004065 semiconductor Substances 0.000 claims abstract description 57
- 239000011241 protective layer Substances 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 239000012535 impurity Substances 0.000 claims description 42
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 25
- 239000004973 liquid crystal related substance Substances 0.000 claims description 14
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 10
- 238000005538 encapsulation Methods 0.000 claims description 9
- 101150075118 sub1 gene Proteins 0.000 description 13
- 150000002500 ions Chemical class 0.000 description 10
- 239000012044 organic layer Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 5
- 239000011368 organic material Substances 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000004697 Polyetherimide Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000001994 activation Methods 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920001230 polyarylate Polymers 0.000 description 2
- 229920001601 polyetherimide Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- -1 ITO) Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 229910020923 Sn-O Inorganic materials 0.000 description 1
- 229910007541 Zn O Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- WUALQPNAHOKFBR-UHFFFAOYSA-N lithium silver Chemical compound [Li].[Ag] WUALQPNAHOKFBR-UHFFFAOYSA-N 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 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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- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6713—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes
- H10D30/6715—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes characterised by the doping profiles, e.g. having lightly-doped source or drain extensions
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- 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
- H01L21/22—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities
- H01L21/225—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities using diffusion into or out of a solid from or into a solid phase, e.g. a doped oxide layer
- H01L21/2251—Diffusion into or out of group IV semiconductors
- H01L21/2252—Diffusion into or out of group IV semiconductors using predeposition of impurities into the semiconductor surface, e.g. from a gaseous phase
- H01L21/2253—Diffusion into or out of group IV semiconductors using predeposition of impurities into the semiconductor surface, e.g. from a gaseous phase by ion implantation
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- 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
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- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
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- 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
- H01L21/26—Bombardment with radiation
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- 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
- H01L21/32055—Deposition of semiconductive layers, e.g. poly - or amorphous silicon layers
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- H10D30/0312—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes
- H10D30/0314—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes of lateral top-gate TFTs comprising only a single gate
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- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
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- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
- H10D30/6731—Top-gate only TFTs
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- 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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- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
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- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0231—Manufacture or treatment of multiple TFTs using masks, e.g. half-tone masks
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- 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
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- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
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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
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
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- G—PHYSICS
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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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- G—PHYSICS
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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
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- G02F1/13685—Top gates
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Abstract
Description
도 2 및 도 3은 각각 본 발명의 일 실시예에 따른 표시 장치의 단면의 일 예를 간략하게 도시한 도면이다.
도 4 내지 도 8은 본 발명의 일 실시예에 따른 표시 장치의 제조 방법에 대해 간략하게 도시한 도면이다.
140: 정렬 부재 150: 제1 절연층
160: 게이트 전극 181: 소스 전극
182: 드레인 전극 191: 제1 전극
Claims (17)
- 플렉서블 기판,
상기 플렉서블 기판 위에 위치하는 반도체층,
상기 반도체층 위에 위치하는 보호층,
상기 보호층 위에 위치하고, 서로 이격되는 제1 정렬 부재 및 제2 정렬 부재,
상기 보호층, 상기 제1 정렬 부재 및 상기 제2 정렬 부재 위에 위치하는 제1 절연층,
상기 제1 절연층 위에 위치하는 게이트 전극,
상기 제1 절연층 및 상기 게이트 전극 위에 위치하는 제2 절연층, 그리고
상기 제2 절연층 위에 위치하고, 서로 이격되는 소스 전극 및 드레인 전극을 포함하고,
상기 제1 정렬 부재 및 상기 제2 정렬 부재는 동일한 층 위에 위치하고,
상기 게이트 전극은 상기 제1 정렬 부재와 상기 제2 정렬 부재 사이에 대응하는 부분에 중첩하고,
상기 게이트 전극은 상기 제1 정렬 부재 및 상기 제2 정렬 부재와 중첩함에 따른 단차를 가지는 표시 장치. - 제1항에서,
상기 반도체층은 도전성 불순물이 도핑된 다결정 실리콘을 포함하는 표시 장치. - 제2항에서,
상기 반도체층은 소스 영역, 드레인 영역, 저농도 도핑 영역 및 채널 영역을 포함하고,
상기 저농도 도핑 영역은 상기 소스 영역 및 상기 드레인 영역과 상기 채널 영역 사이에 위치하는 표시 장치. - 제3항에서,
상기 제1 정렬 부재 및 상기 제2 정렬 부재는 상기 저농도 도핑 영역과 중첩하고, 상기 게이트 전극은 상기 채널 영역과 중첩하는 표시 장치. - 제4항에서,
상기 소스 전극은 상기 소스 영역과 연결되고, 상기 드레인 전극은 상기 드레인 영역과 연결되는 표시 장치. - 제5항에서,
상기 소스 전극과 상기 드레인 전극 위에 위치하는 평탄화층,
상기 평탄화층 위에 위치하고, 상기 드레인 전극과 연결되는 발광 다이오드, 그리고
상기 발광 다이오드 위에 위치하는 봉지층을 더 포함하는 표시 장치. - 제5항에서,
상기 소스 전극과 상기 드레인 전극 위에 위치하는 평탄화층,
상기 평탄화층 위에 위치하고, 상기 드레인 전극과 연결되는 제1 전극,
상기 제1 전극과 마주하는 대향 전극, 그리고
상기 제1 전극과 상기 대향 전극 사이에 위치하는 액정층을 더 포함하는 표시 장치. - 플렉서블 기판 위에 비정질 실리콘층 및 보호층을 차례로 형성하는 단계,
상기 보호층 위에 마스크 패턴을 형성하는 단계,
상기 마스크 패턴의 측면에 서로 이격되는 제1 정렬 부재 및 제2 정렬 부재를 형성하는 단계,
제1 도핑 공정으로 상기 비정질 실리콘층에 도전성 불순물을 주입하는 단계,
상기 마스크 패턴을 제거한 후, 제2 도핑 공정으로 상기 비정질 실리콘층에 상기 도전성 불순물을 주입하는 단계,
상기 비정질 실리콘층을 결정화하여 반도체층을 형성하는 단계,
상기 반도체층, 상기 제1 정렬 부재 및 상기 제2 정렬 부재 위에 제1 절연층을 형성하는 단계,
상기 제1 절연층 위에 게이트 전극을 형성하는 단계,
상기 제1 절연층 및 상기 게이트 전극 위에 제2 절연층을 형성하는 단계, 그리고
상기 제2 절연층 위에 서로 이격되는 소스 전극 및 드레인 전극을 형성하는 단계를 포함하고,
상기 게이트 전극은 상기 제1 정렬 부재와 상기 제2 정렬 부재 사이에 대응하는 부분에 중첩하는 표시 장치의 제조 방법. - 제8항에서,
상기 반도체층은 도전성 불순물이 도핑된 다결정 실리콘을 포함하는 표시 장치의 제조 방법. - 제9항에서,
상기 반도체층을 형성하는 단계에서,
상기 도전성 불순물이 도핑된 부분이 활성화되는 표시 장치의 제조 방법. - 제10항에서,
상기 제1 도핑 공정에서 주입되는 상기 도전성 불순물의 농도는 상기 제2 도핑 공정에서 주입되는 상기 도전성 불순물의 농도보다 큰 표시 장치의 제조 방법. - 삭제
- 제11항에서,
상기 반도체층은 소스 영역, 드레인 영역, 저농도 도핑 영역 및 채널 영역을 포함하고,
상기 저농도 도핑 영역은 상기 소스 영역 및 상기 드레인 영역과 상기 채널 영역 사이에 위치하는 표시 장치의 제조 방법. - 제13항에서,
상기 제1 정렬 부재 및 상기 제2 정렬 부재는 상기 저농도 도핑 영역과 중첩하고, 상기 게이트 전극은 상기 채널 영역과 중첩하는 표시 장치의 제조 방법. - 제14항에서,
상기 소스 전극은 상기 소스 영역과 연결되고, 상기 드레인 전극은 상기 드레인 영역과 연결되는 표시 장치의 제조 방법. - 제15항에서,
상기 소스 전극과 상기 드레인 전극 위에 평탄화층을 형성하는 단계,
상기 평탄화층 위에 상기 드레인 전극과 연결되는 발광 다이오드를 형성하는 단계, 그리고
상기 발광 다이오드 위에 봉지층을 형성하는 단계를 더 포함하는 표시 장치의 제조 방법. - 제15항에서,
상기 소스 전극과 상기 드레인 전극 위에 평탄화층을 형성하는 단계,
상기 평탄화층 위에 상기 드레인 전극과 연결되는 제1 전극을 형성하는 단계,
상기 제1 전극과 마주하는 대향 전극을 형성하는 단계, 그리고
상기 제1 전극과 상기 대향 전극 사이에 위치하는 액정층을 형성하는 단계를 더 포함하는 표시 장치의 제조 방법.
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