KR100645036B1 - 액정표시장치의 박막트랜지스터측 판넬 및 그 형성방법 - Google Patents
액정표시장치의 박막트랜지스터측 판넬 및 그 형성방법 Download PDFInfo
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 29
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- 239000010409 thin film Substances 0.000 claims abstract description 19
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- 229910000583 Nd alloy Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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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
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78618—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure
- H01L29/78621—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure with LDD structure or an extension or an offset region or characterised by the doping profile
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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
- G02F1/13685—Top gates
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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
- G02F2202/00—Materials and properties
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- G02F2202/104—Materials and properties semiconductor poly-Si
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- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
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- Thin Film Transistor (AREA)
Abstract
Description
Claims (7)
- 글래스 기판 상에 폴리실리콘으로 이루어진 액티브 패턴을 형성하는 단계;상기 액티브 패턴 상에 게이트 절연막 및 게이트 메탈층을 순차적으로 형성하는 단계;상기 게이트 메탈층을 패터닝하여 영상이 표시되는 화소영역에는 상기 게이트 메탈층을 남겨두고, 상기 화소영역을 둘러싼 구동영역에는 P형 게이트 전극을 형성하는 단계;상기 P형 게이트 전극이 형성된 상기 글래스 기판 상에 게이트 보조 메탈층을 형성하는 단계;상기 게이트 보조 메탈층 및 상기 화소영역의 상기 게이트 메탈층을 패터닝한 후 상기 게이트 메탈층을 언더 컷하여 상기 구동영역에 N형 게이트 전극을 형성하는 단계;고농도의 N형 이온주입을 실행한 후 상기 게이트 보조 메탈층 제거하는 단계;감광성 유기 절연물질로 이루어진 컬러 필터층을 형성하는 단계;상기 컬러 필터층 및 상기 게이트 절연막을 부분적으로 제거하여 제1 콘택홀을 형성하는 단계;상기 컬러 필터층 상에 상기 제1 콘택홀을 통해 상기 액티브 패턴과 전기적으로 연결되는 소오스 전극 및 드레인 전극을 형성하는 단계;상기 소오스 전극 및 상기 드레인 전극이 형성된 상기 컬러 필터층 상에 유기 절연막을 형성하는 단계;상기 유기 절연막을 부분적으로 제거하여 제2 콘택홀을 형성하는 단계; 및상기 유기 절연막 상에 상기 제2 콘택홀을 통해 상기 드레인 전극과 전기적으로 연결되는 화소전극을 형성하는 단계를 포함하는 것을 특징으로 하는 액정표시장치의 박막 트랜지스터측 판넬 형성방법.
- 삭제
- 제 1 항에 있어서,상기 컬러 필터층은 상기 화소영역 및 상기 구동영역에 형성되고, RGB 색화소들로 이루어지는 것을 특징으로 하는 액정표시장치의 박막 트랜지스터측 판넬 형성방법.
- 제 3 항에 있어서,상기 RGB 색화소들 중 적어도 어느 하나의 색화소는 상기 화소영역 및 상기 구동영역에 형성되고, 나머지 색화소는 상기 화소영역에 형성되는 것을 특징으로 하는 액정표시장치의 박막 트랜지스터측 판넬 형성방법.
- 제 1 항에 있어서,상기 액티브 패턴을 형성하는 단계 이전에 상기 소오스 전극 및 상기 드레인 전극에 대응하여 버퍼층을 형성하는 단계; 및상기 게이트 보조 메탈층을 제거하는 단계 이후에 저농도 N형 이온주입을 실행하는 단계를 더 포함하는 것을 특징으로 하는 액정표시장치의 박막 트랜지스터측 판넬 형성방법.
- 글래스 기판;상기 글래스 기판 상에 형성되고, 폴리실리콘으로 이루어진 액티브 패턴, 상기 액티브 패턴 상에 형성된 게이트 절연막, 상기 게이트 절연막 상에 형성된 게이트 전극, 및 상기 게이트 절연막 상에 형성되어 상기 액티브 패턴과 각각 전기적으로 연결된 소오스 전극 및 드레인 전극을 구비하는 박막 트랜지스터; 및상기 게이트 전극이 형성된 상기 글래스 기판 상에 형성되고, 상기 액티브 패턴을 부분적으로 노출하여 상기 액티브 패턴을 상기 소오스 전극 및 상기 드레인 전극과 전기적으로 연결하는 제1 콘택홀이 형성된 컬러 필터층을 포함하는 것을 특징으로 하는 액정표시장치의 박막 트랜지스터측 판넬.
- 제 6 항에 있어서,상기 컬러 필터층의 상부에 형성되고, 일부분이 제거되어 상기 드레인 전극을 부분적으로 노출하는 제2 콘택홀이 형성된 절연층; 및상기 절연층 상에 형성되고, 상기 제2 콘택홀을 통해 상기 드레인 전극과 전기적으로 연결되는 화소전극을 더 포함하는 것을 특징으로 하는 액정표시장치의 박막 트랜지스터측 판넬.
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KR1019990027136A KR100645036B1 (ko) | 1999-07-06 | 1999-07-06 | 액정표시장치의 박막트랜지스터측 판넬 및 그 형성방법 |
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KR100638525B1 (ko) * | 1999-11-15 | 2006-10-25 | 엘지.필립스 엘시디 주식회사 | 컬러 액정표시장치용 어레이기판 제조방법 |
KR20040080778A (ko) | 2003-03-13 | 2004-09-20 | 삼성전자주식회사 | 4색 구동 액정 표시 장치 및 이에 사용하는 표시판 |
KR100988575B1 (ko) * | 2003-12-15 | 2010-10-18 | 엘지디스플레이 주식회사 | 다결정질 박막트랜지스터를 포함하는 반사형 액정표시장치용 어레이기판과 제조방법 |
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