KR20160093749A - 표시 기판, 이의 제조 방법 및 이를 포함하는 표시 장치 - Google Patents
표시 기판, 이의 제조 방법 및 이를 포함하는 표시 장치 Download PDFInfo
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- KR20160093749A KR20160093749A KR1020150013949A KR20150013949A KR20160093749A KR 20160093749 A KR20160093749 A KR 20160093749A KR 1020150013949 A KR1020150013949 A KR 1020150013949A KR 20150013949 A KR20150013949 A KR 20150013949A KR 20160093749 A KR20160093749 A KR 20160093749A
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- 238000000034 method Methods 0.000 title claims abstract description 95
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- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 21
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 20
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 20
- 239000004065 semiconductor Substances 0.000 claims description 19
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910003437 indium oxide Inorganic materials 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
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- 150000003852 triazoles Chemical class 0.000 description 2
- VIJYEGDOKCKUOL-UHFFFAOYSA-N 9-phenylcarbazole Chemical compound C1=CC=CC=C1N1C2=CC=CC=C2C2=CC=CC=C21 VIJYEGDOKCKUOL-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 230000008021 deposition Effects 0.000 description 1
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- 239000002019 doping agent Substances 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 239000012535 impurity Substances 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
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical compound [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 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
- TYHJXGDMRRJCRY-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) tin(4+) Chemical compound [O-2].[Zn+2].[Sn+4].[In+3] TYHJXGDMRRJCRY-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
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- 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]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6755—Oxide semiconductors, e.g. zinc oxide, copper aluminium oxide or cadmium stannate
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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
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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
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- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- 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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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- 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
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- H10D86/423—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 having a particular composition, shape or crystalline structure of the active layer comprising semiconductor materials not belonging to the Group IV, e.g. InGaZnO
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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
- H10D86/60—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 wherein the TFTs are in active matrices
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- 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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- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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- H10K71/231—Changing the shape of the active layer in the devices, e.g. patterning by etching of existing layers
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Abstract
Description
도 2 내지 도 11은 예시적인 실시예들에 따른 표시 기판의 제조 방법을 설명하기 위한 단면도들이다.
도 12는 예시적인 실시예들에 따른 표시 장치를 나타내는 단면도이다.
110: 더미 막 112: 제1 더미 패턴
115: 제2 더미 패턴 120: 버퍼막
122: 제1 버퍼막 패턴 125: 제2 버퍼막 패턴
130: 액티브 막 132: 액티브 패턴
134: 제1 콘택 영역 135: 더미 액티브 패턴
136: 제2 콘택 영역 140: 정렬 패턴
150: 게이트 절연막 152: 게이트 절연막 패턴
155: 절연 패턴 162: 게이트 전극
165: 하부 전극 170: 층간 절연막
182: 소스 전극 184: 드레인 전극
185: 패드 186: 상부 전극
190: 비아 절연막 192: 인터커넥션 홀
194: 화소 전극 198: 화소 정의막
210: 표시층 220: 대향 전극
230: 배선 240: 봉지층
Claims (20)
- 베이스 기판 상에 배치되며,
액티브 패턴;
상기 액티브 패턴을 부분적으로 커버하는 게이트 절연막 패턴;
상기 게이트 절연막 패턴 상에 배치된 게이트 전극; 및
상기 액티브 패턴과 전기적으로 연결되는 소스 전극 및 드레인 전극을 포함하는 스위칭 소자; 및
상기 베이스 기판 상에서 상기 스위칭 소자와 이격되어 배치되며, 투과도가 서로 다른 물질을 포함하는 복층 구조의 정렬 패턴을 포함하는 표시 기판. - 제1항에 있어서, 상기 액티브 패턴은 산화물 반도체를 포함하는 표시 기판.
- 제2항에 있어서, 상기 정렬 패턴의 최하층은 상기 액티브 패턴보다 투과도가 낮은 물질을 포함하는 표시 기판.
- 제3항에 있어서, 상기 정렬 패턴의 최상층은 상기 액티브 패턴과 동일한 물질을 포함하는 표시 기판.
- 제1항에 있어서, 상기 액티브 패턴 및 상기 베이스 기판 사이에 순차적으로 적층된 제1 더미 패턴 및 제1 버퍼막 패턴을 더 포함하는 표시 기판.
- 제5항에 있어서, 상기 정렬 패턴은 상기 베이스 기판으로부터 순차적으로 적층된 제2 더미 패턴, 제2 버퍼막 패턴 및 더미 액티브 패턴을 포함하는 표시 기판.
- 제6항에 있어서, 상기 액티브 패턴 및 상기 더미 액티브 패턴은 산화물 반도체를 포함하는 표시 기판.
- 제6항에 있어서, 상기 제1 더미 패턴 및 상기 제2 더미 패턴은 실리콘 화합물 또는 금속을 포함하는 표시 기판.
- 제6항에 있어서, 상기 제1 버퍼막 패턴 및 상기 제2 버퍼막 패턴은 실리콘 산화물, 실리콘 질화물 및 실리콘 산질화물 중에서 선택된 적어도 하나를 포함하는 표시 기판.
- 제1항에 있어서, 상기 베이스 기판은 표시 영역 및 배선 영역을 포함하며,
상기 스위칭 소자 및 상기 정렬 패턴은 각각 상기 베이스 기판의 상기 표시 영역 및 상기 배선 영역 상에 배치되는 표시 기판. - 제10항에 있어서, 상기 표시 영역 및 상기 배선 영역 상에 공통으로 제공되며, 상기 스위칭 소자 및 상기 정렬 패턴을 커버하는 층간 절연막을 더 포함하는 표시 기판.
- 제11항에 있어서, 상기 표시 영역의 상기 베이스 기판 상에 배치되는 하부 전극, 및 상기 층간 절연막 상에 배치되며 상기 하부 전극과 중첩되는 상부 전극을 더 포함하는 표시 기판.
- 제11항에 있어서, 상기 배선 영역의 상기 층간 절연막 부분 상에 배치되는 패드를 더 포함하는 표시 기판.
- 제11항에 있어서, 상기 층간 절연막 상에 배치되어 상기 소스 전극 및 상기 드레인 전극을 커버하는 비아 절연막; 및
상기 비아 절연막 상에 배치되어 상기 스위칭 소자와 전기적으로 연결되는 화소 전극을 더 포함하는 표시 기판. - 제1 영역 및 제2 영역을 포함하는 베이스 기판 상에 더미 막, 버퍼막 및 액티브 막을 순차적으로 형성하는 단계;
상기 액티브 막, 상기 버퍼막 및 상기 더미 막을 부분적으로 식각하여 상기 제1 영역 상에 순차적으로 적층된 제1 더미 패턴, 제1 버퍼막 패턴 및 액티브 패턴을 형성하고, 상기 제2 영역 상에 순차적으로 적층된 제2 더미 패턴, 제2 버퍼막 패턴 및 더미 액티브 패턴을 형성하는 단계;
상기 베이스 기판 상에 상기 액티브 패턴 및 상기 더미 액티브 패턴을 덮는 게이트 절연막을 형성하는 단계;
상기 게이트 절연막 상에 상기 액티브 패턴과 중첩되는 게이트 전극을 형성하는 단계;
상기 게이트 전극을 식각 마스크로 사용하여 상기 게이트 절연막을 부분적으로 식각하는 단계;
상기 베이스 기판 상에 상기 게이트 전극 및 상기 더미 액티브 패턴을 커버하는 층간 절연막을 형성하는 단계; 및
상기 층간 절연막을 관통하여 상기 액티브 패턴과 전기적으로 연결되는 소스 전극 및 드레인 전극을 형성하는 단계를 더 포함하는 표시 기판의 제조 방법. - 제15항에 있어서, 상기 더미 막은 실리콘 화합물 또는 금속을 사용하여 형성되며, 상기 버퍼막은 절연 물질을 사용하여 형성되며, 상기 액티브 막은 산화물 반도체를 사용하여 형성되는 표시 기판의 제조 방법.
- 제15항에 있어서, 상기 제2 더미 패턴, 상기 제2 버퍼막 패턴 및 상기 더미 액티브 패턴을 포함하는 적층 구조물은 정렬 패턴으로 제공되는 표시 기판의 제조 방법.
- 제17항에 있어서, 상기 게이트 전극을 형성하는 단계, 및 상기 소스 전극 및 상기 드레인 전극을 형성하는 단계 중 적어도 하나는 상기 정렬 패턴을 참조로 수행되는 포토 공정을 포함하는 표시 기판의 제조 방법.
- 제1 영역 및 제2 영역을 포함하는 베이스 기판;
상기 베이스 기판의 상기 제1 영역 상에 배치되는 스위칭 소자;
상기 베이스 기판의 상기 제2 영역 상에 배치되며, 투과도가 낮은 하층 패턴, 및 상기 하층 패턴보다 투과도가 높은 상층 패턴을 포함하는 정렬 패턴;
상기 표시 영역 상에서 상기 스위칭 소자와 전기적으로 연결되는 화소 전극;
상기 화소 전극 상에 배치되는 표시층; 및
상기 표시층을 커버하며 상기 화소 전극을 마주 보는 대향 전극을 포함하는 표시 장치. - 제19항에 있어서, 상기 상층 패턴은 산화물 반도체를 포함하며, 상기 하층 패턴은 실리콘 산화물 또는 금속을 포함하고,
상기 정렬 패턴은 상기 상층 패턴 및 상기 하층 패턴 사이에 절연 물질을 포함하는 버퍼막 패턴을 더 포함하는 표시 장치.
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US14/924,317 US9525074B2 (en) | 2015-01-29 | 2015-10-27 | Display substrates, methods of manufacturing the same and display devices including the same |
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KR20200064217A (ko) * | 2018-11-28 | 2020-06-08 | 삼성디스플레이 주식회사 | 플렉서블 표시 장치 및 이의 조립 방법 |
US11764231B2 (en) | 2020-07-09 | 2023-09-19 | Samsung Display Co., Ltd. | Display device and method for manufacturing the same |
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KR20210095265A (ko) | 2020-01-22 | 2021-08-02 | 삼성디스플레이 주식회사 | 표시 장치 |
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KR101275710B1 (ko) | 2010-12-22 | 2013-06-14 | 경희대학교 산학협력단 | 듀얼 게이트 박막 트랜지스터의 디플리션 모드를 이용한 산화물 반도체 인버터 |
KR101992261B1 (ko) | 2012-11-14 | 2019-06-24 | 엘지디스플레이 주식회사 | 표시소자용 메탈마스크, 및 이를 이용한 유기전계발광 표시소자 및 그 제조방법 |
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KR20200064217A (ko) * | 2018-11-28 | 2020-06-08 | 삼성디스플레이 주식회사 | 플렉서블 표시 장치 및 이의 조립 방법 |
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US9525074B2 (en) | 2016-12-20 |
US20160225907A1 (en) | 2016-08-04 |
US9806137B2 (en) | 2017-10-31 |
US20170069699A1 (en) | 2017-03-09 |
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