KR20170047690A - 표시 장치 및 그 제조방법 - Google Patents
표시 장치 및 그 제조방법 Download PDFInfo
- Publication number
- KR20170047690A KR20170047690A KR1020150148083A KR20150148083A KR20170047690A KR 20170047690 A KR20170047690 A KR 20170047690A KR 1020150148083 A KR1020150148083 A KR 1020150148083A KR 20150148083 A KR20150148083 A KR 20150148083A KR 20170047690 A KR20170047690 A KR 20170047690A
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- South Korea
- Prior art keywords
- molybdenum oxide
- region
- disposed
- molybdenum
- barrier layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004519 manufacturing process Methods 0.000 title abstract description 25
- 230000004888 barrier function Effects 0.000 claims abstract description 141
- 239000004065 semiconductor Substances 0.000 claims abstract description 102
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 126
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical group [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 126
- 229910052750 molybdenum Chemical group 0.000 claims description 66
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 65
- 239000011733 molybdenum Chemical group 0.000 claims description 65
- 238000000034 method Methods 0.000 claims description 48
- 229920002120 photoresistant polymer Polymers 0.000 claims description 26
- 238000004140 cleaning Methods 0.000 claims description 14
- 238000005530 etching Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 8
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 239000010408 film Substances 0.000 description 40
- 230000008569 process Effects 0.000 description 22
- 239000010409 thin film Substances 0.000 description 22
- 239000004973 liquid crystal related substance Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 239000004020 conductor Substances 0.000 description 7
- 238000002161 passivation Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000010955 niobium Substances 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- -1 GaSnO Inorganic materials 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910005265 GaInZnO Inorganic materials 0.000 description 1
- 229910005555 GaZnO Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910007717 ZnSnO Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001312 dry etching Methods 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
- 229910021480 group 4 element Inorganic materials 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- H10K59/124—Insulating layers formed between TFT elements and OLED elements
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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
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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
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- 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
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Abstract
Description
도 2는 도 1의 Ⅰ-Ⅰ’ 라인을 따라 절단한 단면도이다.
도 3은 본 발명의 다른 실시예에 따른 표시 장치의 단면도이다.
도 4는 도 3의 변형예에 따른 표시 장치의 단면도이다.
도 5는 본 발명의 다른 실시예에 따른 표시 장치의 부분 단면도이다.
도 6은 본 발명의 다른 실시예에 따른 표시 장치의 단면도이다.
도 7은 본 발명의 다른 실시예에 따른 표시 장치의 부분 단면도이다.
도 7a는 본 발명의 다른 실시예에 따른 표시 장치의 부분 단면도이다.
도 8은 본 발명의 일 실시예에 따른 표시 장치의 단면도이다.
도 9는 본 발명의 일 실시예에 따른 표시 장치의 제조 방법을 설명하기 위한 단면도이다.
도 10은 본 발명의 일 실시예에 따른 표시 장치의 제조 방법을 설명하기 위한 단면도이다.
도 11은 본 발명의 일 실시예에 따른 표시 장치의 제조 방법을 설명하기 위한 단면도이다.
도 12는 본 발명의 일 실시예에 따른 표시 장치의 제조 방법을 설명하기 위한 단면도이다.
도 13은 본 발명의 일 실시예에 따른 표시 장치의 제조 방법을 설명하기 위한 단면도이다.
도 14는 본 발명의 일 실시예에 따른 표시 장치의 제조 방법을 설명하기 위한 단면도이다.
도 15는 본 발명의 일 실시예에 따른 표시 장치의 제조 방법을 설명하기 위한 단면도이다.
도 16은 본 발명의 일 실시예에 따른 표시 장치의 제조 방법을 설명하기 위한 단면도이다.
도 17은 본 발명의 일 실시예에 따른 표시 장치의 제조 방법을 설명하기 위한 단면도이다.
110: 소스 전극
120: 드레인 전극
130: 드레인 전극 확장부
140: 컨택홀
210: 게이트 전극
300: 화소 전극
500: 기판
111, 121, 101: 제1 배리어층
112, 122, 102: 제2 배리어층
700: 반도체 패턴
132: 언더컷
133: 언더컷
A1: 산화 몰리브덴 영역
A2: 몰리브덴 영역
A3: 비중첩 영역
A4: 중첩 영역
A5: 비중첩 영역
900: 상부 기판
800: 블랙 매트릭스
850: 컬러 필터
820: 오버코트막
810: 공통 전극
160: 도전막
190: 채널부
151, 152: 산화 몰리브덴층
Claims (24)
- 기판;
상기 기판 상에 배치되는 게이트 전극;
상기 게이트 전극 상에 배치되는 반도체 패턴;
상기 반도체 패턴 상에 배치되며, 데이터 라인, 소스 전극 및 드레인 전극을 포함하는 데이터 배선;
상기 데이터 배선과 상기 반도체 패턴 사이에 배치되는 제1 배리어층; 및
상기 제1 배리어층의 적어도 일측에 배치되는 언더컷을 포함하는 표시 장치. - 제1항에 있어서,
상기 제1 배리어층은 산화 몰리브덴을 포함하는 산화 몰리브덴 영역 및 몰리브덴을 포함하되, 상기 산화 몰리브덴을 포함하지 않는 몰리브덴 영역을 포함하는 표시 장치. - 제2항에 있어서,
상기 산화 몰리브덴 영역은 상기 제1 배리어층의 외측에 배치되고, 상기 몰리브덴 영역은 상기 산화 몰리 브덴 영역의 내측에 배치되는 표시 장치. - 제2항에 있어서,
상기 언더컷은 상기 산화 몰리브덴 영역에 배치되는 표시 장치. - 제2항에 있어서,
상기 언더컷이 형성된 상기 제1 배리어층의 측벽은 테이퍼진 형상 또는 역테이퍼진 형상을 갖는 표시 장치. - 제2항에 있어서,
상기 산화 몰리브덴 영역에서 상기 산화 몰리브덴의 농도는 외측에서 내측으로 갈수록 감소하는 표시 장치. - 제2항에 있어서,
상기 반도체 패턴은 몰리브덴을 포함하는 표시 장치. - 제2항에 있어서,
상기 반도체 패턴 상에 상기 소스 전극 또는 상기 드레인 전극과 중첩되는 중첩 영역이 정의되고, 상기 중첩 영역을 제외한 비중첩 영역이 정의되되, 상기 중첩 영역에서의 몰리브덴 농도는 상기 비중첩 영역에서의 몰리브덴 농도보다 큰 표시 장치. - 제8항에 있어서,
상기 비중첩 영역의 상부에서 하부로 갈수록 상기 몰리브덴의 농도가 감소하는 표시 장치. - 제1항에 있어서,
상기 데이터 배선 상에 배치되는 제2 배리어층을 더 포함하는 표시 장치. - 제10 항에 있어서,
상기 제2 배리어층은 금속 산화물을 포함하는 표시 장치. - 제1항에 있어서,
상기 데이터 배선은 상기 데이터 배선 외측에 형성되는 산화 영역을 포함하는 표시 장치. - 기판;
상기 기판 상에 배치되는 게이트 전극;
상기 게이트 전극 상에 배치되는 반도체 패턴;
상기 반도체 패턴 상에 형성되며, 데이터 라인, 소스 전극 및 드레인 전극을 포함하는 데이터 배선;
상기 데이터 배선과 상기 반도체 패턴 사이에 배치되는 제1 배리어층; 및
상기 소스 전극 및 상기 드레인 전극 사이에 배치되는 상기 반도체 패턴층 상에 위치하는 산화 몰리브덴층을 포함하는 표시 장치. - 제13항에 있어서,
상기 산화 몰리브덴층은 상기 반도체 패턴층의 상면을 적어도 부분적으로 덮는 표시 장치. - 제13항에 있어서,
상기 소스 전극과 상기 드레인 전극 사이에 채널부가 형성되고, 상기 산화 몰리브덴층은 상기 채널부와 적어도 부분적으로 중첩되는 표시 장치. - 제13항에 있어서,
상기 제1 배리어층은 산화 몰리브덴을 포함하는 산화 몰리브덴 영역 및 몰리브덴을 포함하되, 상기 산화 몰리브덴을 포함하지 않는 몰리브덴 영역을 포함하는 표시 장치. - 제16항에 있어서,
상기 산화 몰리브덴 영역은 상기 제1 배리어층의 외측에 배치되고, 상기 몰리브덴 영역은 상기 산화 몰리 브덴 영역의 내측에 배치되는 표시 장치. - 제13항에 있어서,
상기 산화 몰리브덴 영역에서 상기 산화 몰리브덴의 농도는 외측에서 내측으로 갈수록 감소하는 표시 장치. - 제13항에 있어서,
상기 반도체 패턴은 몰리브덴을 포함하는 표시 장치. - 게이트 전극, 상기 게이트 전극 상에 배치되는 반도체층, 상기 반도체층 상에 배치되며, 몰리브덴을 포함하는 제1 배리어층, 상기 제1 배리어층 상에 배치된 도전막 및 상기 도전막 상에 배치된 제2 배리어층이 형성된 기판을 준비하는 단계;
상기 도전막 상에 제1 두께를 갖는 제1 영역 및 상기 제1 두께보다 두꺼운 제2 두께를 갖는 제2 영역을 포함하는 제1 감광막 패턴을 형성하고, 상기 제1 감광막 패턴을 마스크로 하여 상기 반도체층, 상기 제1 배리어층, 상기 도전막 및 상기 제2 배리어층을 식각하여 데이터 라인 및 반도체 패턴을 형성하는 단계;
상기 제1 감광막 패턴의 상기 제1 영역을 제거하여 상기 도전막의 일부를 노출하는 제2 감광막 패턴을 형성하고, 상기 제2 감광막 패턴을 마스크로 상기 제2 배리어층 및 상기 도전막을 식각하여 소스 전극, 드레인 전극 및 상기 소스 전극과 상기 드레인 전극 사이에 배치되는 채널부를 형성하고 상기 제2 감광막 패턴을 제거하는 단계;
상기 결과물을 산화시켜 상기 채널부에 대응되는 상기 제1 배리어층에 산화 몰리브덴층을 형성하고, 상기 소스 전극, 상기 드레인 전극 및 상기 데이터 라인과 중첩되는 상기 제1 배리어층의 외측에 산화 몰리브덴 영역을 형성하는 단계; 및
상기 결과물을 세정하여 상기 산화 몰리브덴층을 적어도 부분적으로 제거하는 단계를 포함하는 표시 장치의 제조 방법. - 제20항에 있어서,
상기 결과물을 세정하여 상기 산화 몰리브덴층을 적어도 부분적으로 제거하는 단계는 상기 산화 몰리브덴 영역에 언더컷을 형성하는 단계를 포함하는 표시 장치의 제조 방법. - 제20항에 있어서,
상기 결과물을 산화시켜 상기 채널부에 대응되는 상기 제1 배리어층에 산화 몰리브덴층을 형성하고, 상기 소스 전극, 상기 드레인 전극 및 상기 데이터 라인과 중첩되는 상기 제1 배리어층의 외측에 산화 몰리브덴 영역을 형성하는 단계는 상기 소스 전극, 상기 드레인 전극 및 상기 데이터 라인의 외측에 산화 영역을 형성하는 단계를 더 포함하는 표시 장치의 제조 방법. - 제20항에 있어서,
상기 결과물을 세정하여 상기 산화 몰리브덴 층을 제거하는 단계는 물을 이용하여 세정하는 단계를 포함하는 표시 장치의 제조 방법. - 제20항에 있어서,
상기 결과물을 산화시키는 단계 및 상기 결과물을 세정하는 단계는 2회 이상 반복하여 수행되는 표시 장치의 제조 방법.
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CN109270754B (zh) * | 2017-07-17 | 2021-04-27 | 京东方科技集团股份有限公司 | 阵列基板和显示装置 |
CN108877519B (zh) * | 2018-06-26 | 2020-10-23 | 上海天马微电子有限公司 | 一种显示装置 |
CN109979946B (zh) * | 2019-03-15 | 2021-06-11 | 惠科股份有限公司 | 一种阵列基板及其制造方法和显示面板 |
KR20210093403A (ko) | 2020-01-17 | 2021-07-28 | 삼성디스플레이 주식회사 | 표시 패널의 제조 방법 및 그에 따라 제조되는 표시 패널 |
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KR102436641B1 (ko) | 2022-08-26 |
CN106997892B (zh) | 2022-09-09 |
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