KR101788315B1 - 투명도전막용 산화아연계 박막 및 이를 이용한 평판 디스플레이와 조명소자 및 그 제조방법 - Google Patents
투명도전막용 산화아연계 박막 및 이를 이용한 평판 디스플레이와 조명소자 및 그 제조방법 Download PDFInfo
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- zinc oxide
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 177
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- 229910021417 amorphous silicon Inorganic materials 0.000 description 13
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- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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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- 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
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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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
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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
- 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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
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- H10F71/138—Manufacture of transparent electrodes, e.g. transparent conductive oxides [TCO] or indium tin oxide [ITO] electrodes
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Abstract
Description
이때, 본 발명의 투명도전막용 산화아연계 박막 및 액정표시장치는 상기 나노 결정의 그레인 경계에 의해 외부의 불순물의 확산경로가 증가하는 것을 특징으로 한다.
이때, 본 발명의 투명도전막용 산화아연계 박막과, 액정표시장치 및 박막 태양전지의 제조방법은 상기 나노 결정의 그레인 경계에 의해 외부의 불순물의 확산경로가 증가하는 것을 특징으로 한다.
도 2는 본 발명의 실시예에 따른 산화아연계 투명도전막의 구조를 개략적으로 나타내는 단면도.
도 3a 및 도 3b는 본 발명의 실시예에 따른 산화아연계 투명도전막에 있어서, 표면층을 적용함에 따라 내열내습 안정성이 향상되는 메커니즘(mechanism)을 설명하기 위한 단면도.
도 4a는 표면층이 없는 산화아연계 투명도전막의 단면을 나타내는 투과전자현미경(Transmission Electron Microscopy; TEM) 사진.
도 4b는 본 발명의 실시예에 따른 산화아연계 투명도전막의 단면을 나타내는 TEM 사진.
도 5는 본 발명의 실시예에 따른 산화아연계 투명도전막에 있어서, 산소분압(oxygen partial pressure)에 따른 투과율 및 면 저항을 나타내는 그래프.
도 6은 본 발명의 실시예에 따른 산화아연계 투명도전막에 있어서, 산소분압에 따른 내열 안전성(thermal stability) 테스트 결과를 나타내는 그래프.
도 7은 본 발명의 실시예에 따른 산화아연계 투명도전막에 있어서, 내열 안정성 테스트 후의 산소분압에 따른 캐리어 농도(carrier concentration) 변화를 나타내는 그래프.
도 8은 본 발명의 실시예에 따른 산화아연계 투명도전막에 있어서, 내열 안정성 테스트 후의 산소분압에 따른 홀 이동도(hall mobility) 변화를 나타내는 그래프.
도 9는 본 발명의 실시예에 따른 산화아연계 투명도전막에 있어서, 산소분압에 따른 내습 안전성 테스트 결과를 나타내는 그래프.
도 10은 본 발명의 실시예에 따른 액정표시장치의 어레이 기판 일부를 개략적으로 나타내는 평면도.
도 11a 내지 도 11e는 상기 도 10에 도시된 어레이 기판의 A-A'선에 따른 제조공정을 순차적으로 나타내는 단면도.
도 12는 본 발명의 실시예에 따른 박막 태양전지의 구조를 개략적으로 나타내는 단면도.
도 13a 내지 도 13f는 상기 도 12에 도시된 박막 태양전지의 제조공정을 순차적으로 나타내는 단면도.
155,255 : 표면층
Claims (19)
- 기판 위에 3족 원소가 도핑된 산화아연계 도전물질로 투명도전막을 형성하는 단계; 및
상기 투명도전막 위에 다수의 그레인으로 구성된 산화아연계 나노 결정 상태의 표면층을 형성하는 단계를 포함하고,
스퍼터링을 이용하여 상기 표면층을 증착하되, 스퍼터링 타겟으로는 금속아연을 사용하며, 스퍼터링 증착 시 가스로는 비활성 기체와 산소의 혼합가스를 사용하되, 상기 혼합가스 내의 산소분압을 20~40%로 하여 표면층에 산화아연과 함께 아연이 존재하도록 하는, 산화아연계 박막의 제조방법. - 제 1 항에 있어서, 상기 표면층은 2nm ~ 20nm의 두께로 형성하며,
상기 나노 결정의 그레인 경계에 의해 외부의 불순물의 확산경로가 증가하는 산화아연계 박막의 제조방법. - 삭제
- 삭제
- 삭제
- 어레이 기판 위에 3족 원소가 도핑된 산화아연계 도전물질로 화소전극을 형성하는 단계;
상기 화소전극 위에 다수의 그레인으로 구성된 산화아연계 나노 결정 상태의 표면층을 형성하는 단계; 및
상기 어레이 기판과 컬러필터 기판을 합착하는 단계를 포함하고,
스퍼터링을 이용하여 상기 표면층을 증착하되, 스퍼터링 타겟으로는 금속아연을 사용하며, 스퍼터링 증착 시 가스로는 비활성 기체와 산소의 혼합가스를 사용하되, 상기 혼합가스 내의 산소분압을 20~40%로 하여 표면층에 산화아연과 함께 아연이 존재하도록 하는, 액정표시장치의 제조방법. - 제 6 항에 있어서, 상기 표면층은 2nm ~ 20nm의 두께로 형성하며,
상기 나노 결정의 그레인 경계에 의해 외부의 불순물의 확산경로가 증가하는 액정표시장치의 제조방법. - 삭제
- 삭제
- 삭제
- 다수의 셀 영역이 정의된 투명한 기판 위에 3족 원소가 도핑된 산화아연계 도전물질로 이루어진 투명전극을 형성하는 단계;
상기 투명전극 위에 다수의 그레인으로 구성된 산화아연계 나노 결정 상태의 표면층을 형성하는 단계;
상기 표면층이 형성된 상기 기판 위에 반도체층을 형성하는 단계;
상기 반도체층이 형성된 상기 기판 위에 금속전극 형성용 박막을 형성하는 단계; 및
상기 반도체층과 상기 금속전극 형성용 박막에 홀을 형성하여 서로 이격되도록 금속전극을 형성하는 단계를 포함하고,
스퍼터링을 이용하여 상기 표면층을 증착하되, 스퍼터링 타겟으로는 금속아연을 사용하며, 스퍼터링 증착 시 가스로는 비활성 기체와 산소의 혼합가스를 사용하되, 상기 혼합가스 내의 산소분압을 20~40%로 하여 표면층에 산화아연과 함께 아연이 존재하도록 하는, 박막 태양전지의 제조방법. - 제 11 항에 있어서, 상기 표면층은 2nm ~ 20nm의 두께로 형성하며,
상기 나노 결정의 그레인 경계에 의해 외부의 불순물의 확산경로가 증가하는 박막 태양전지의 제조방법. - 삭제
- 삭제
- 삭제
- 기판 위에 배치되며, 3족 원소가 도핑된 산화아연계 도전물질로 이루어진 투명도전막; 및
상기 투명도전막 위에 배치되며, 다수의 그레인으로 구성된 산화아연계 나노 결정 상태의 표면층을 포함하고,
상기 표면층에 산화아연과 함께 아연이 존재하는, 산화아연계 박막. - 제 16 항에 있어서, 상기 표면층은 2nm ~ 20nm의 두께를 가지며,
상기 나노 결정의 그레인 경계에 의해 외부의 불순물의 확산경로가 증가하는 산화아연계 박막. - 어레이 기판 위에 배치되며, 3족 원소가 도핑된 산화아연계 도전물질로 이루어진 화소전극;
상기 화소전극 위에 배치되며, 다수의 그레인으로 구성된 산화아연계 나노 결정 상태의 표면층; 및
상기 어레이 기판과 대향하여 합착하는 컬러필터 기판을 포함하고,
상기 표면층에 산화아연과 함께 아연이 존재하는, 액정표시장치. - 제 18 항에 있어서, 상기 표면층은 2nm ~ 20nm의 두께를 가지며,
상기 나노 결정의 그레인 경계에 의해 외부의 불순물의 확산경로가 증가하는 액정표시장치.
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