KR100297868B1 - 능동매트릭스표시장치 - Google Patents
능동매트릭스표시장치 Download PDFInfo
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- KR100297868B1 KR100297868B1 KR1019960004109A KR19960004109A KR100297868B1 KR 100297868 B1 KR100297868 B1 KR 100297868B1 KR 1019960004109 A KR1019960004109 A KR 1019960004109A KR 19960004109 A KR19960004109 A KR 19960004109A KR 100297868 B1 KR100297868 B1 KR 100297868B1
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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
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- H10D30/6757—Thin-film transistors [TFT] characterised by the structure of the channel, e.g. transverse or longitudinal shape or doping profile
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- 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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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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]
- H10D30/6729—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
- H10D30/6733—Multi-gate TFTs
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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
- G02F1/136213—Storage capacitors associated with the pixel electrode
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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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
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Abstract
Description
Claims (11)
- 능등 매트릭스 표시 장치에 있어서, 다수의 영상 신호선들과, 상기 영상 신호선들과 함께 매트릭스로 형성된 게이트 신호선들과, 상기 영상 신호선들과 게이트 신호선들에 의해 둘러싸인 영역들에 배열된 다수의 픽셀 전극들 및, 상기 픽셀 전극들 각각에 접속된 스위칭 소자로서, 상기 스위칭 소자 각각은 동일한 전도형을 가진 적어도 제1, 제2 및 제3직렬 접속된 박막 트랜지스터들(TFT)을 포함하는, 상기 스위칭 소자를 포함하며, 상기 제1TFT의 소스 영역 또는 드레인 영역은 상기 영상 신호선들중 하나의 선에 연결되고, 상기 제2TFT의 소스 영역 또는 드레인 영역은 상기 픽셀 전극들중 하나의 픽셀 전극에 연결되고, 적어도 상기 제1 및 제2TFT 각각의 채널 형성 영역에 인접한 두 영역들중 적어도 하나의 영역은 도전형을 제공하는 불순물의 농도가 소스 영역 또는 드레인 영역에서 보다 더 낮은 저농도 불순물 영역이고, 적어도 상기 제1 및 제2TFT의 게이트 전극들은 상기 게이트 신호선들중 대응되는 선들에 연결되고, 상기 제3TFT의 게이트 전압은 제3TFT의 채널 형성 영역이 제3TFT의 소스 영역 및 드레인 영역들과 동일한 도전형이 되도록 소정의 전압으로 유지되는, 능동 매트릭스 표시 장치.
- 제1항에 있어서, 상기 제1 및 제2TFT들은 상기 채널 영역과 저농도 불순물 영역들 사이에 형성된 오프셋 영역들을 갖는, 능동 매트릭스 표시 장치.
- 능동 매트릭스 표시 장치에 있어서, 다수의 영상 신호선들과, 상기 영상 신호선과 거의 수직으로 배열된 다수의 게이트 신호선들과, 상기 게이트 신호선들에 평행하게 배열되고, 상기 게이트 신호선들 사이에 각각 배열된 다수의 캐패시턴스선들과, 상기 게이트 신호선들과 영상 신호선들에 의해 둘러싸인 영역들에 제공된 픽셀 전극들 및, 상기 픽셀 전극들중 하나의 전극에 각각 연결되고, 하나의 대략 M형의 반도체막을 각각 포함하는 다수의 스위칭 소자들을 포함하며, 상기 스위칭 소자들중의 하나의 소자는 상기 영상 신호선들, 게이트 신호선들 및 캐패시턴스선들중 각각 하나의 선들에 작동가능하게 연결되며, 상기 반도체 막은, 상기 게이트 신호선들중 대응되는 신호선과 겹쳐지는 적어도 세 부분들과, 상기 캐패시턴스선들중 대응되는 선과 겹쳐지는 적어도 두 부분들과, 상기 게이트 신호선들 및 캐패시턴스선들과 겹쳐지지 않고, 도전형을 제공하는 불순물을 포함하는 제1불순물 영역 및, 상기 게이트 신호선들중 대응하는 선과 겹쳐지는 부분과 상기 제1불순물 영역 사이에 배열되고, 상기 제1불순물 영역보다 낮은 불순물 농도를 갖는 제2불순물 영역을 포함하는, 능동 매트릭스 표시 장치.
- 제3항에 있어서, 상기 반도체막은 상기 게이트 신호선들중 하나의 선과 겹쳐지는 부분과 상기 제2불순물 영역 사이에 형성된 오프셋 게이트 영역을 더 구비하는, 능동 매트릭스 표시 장치.
- 능동 매트릭스 표시 장치에 있어서, 다수의 영상 신호선들과, 상기 영상 신호선과 거의 수직으로 배열된 다수의 게이트 신호선들과, 상기 게이트 신호선들에 평행하게 그리고 상기 게이트 신호선들 간에 각각 배열된 다수의 캐패시턴스선들과, 상기 게이트 신호선들과 영상 신호선들에 의해 둘러싸인 영역들에 제공된 픽셀 전극들 및, 상기 픽셀 전극들중 하나의 전극에 각각 연결되고, 하나의 대략 M형의 반도체막을 각각 포함하는 다수의 스위칭 소자들을 포함하며, 상기 스위칭 소자들중의 하나의 소자는 상기 영상 신호들, 게이트 신호선들 및 캐패시턴스선들중 각각 하나의 선들에 작동가능하게 연결되며, 상기 반도체 막은, 상기 영상 신호선들중 하나의 선에 연결된 제1영역과, 상기 픽셀 전극들중 하나의 픽셀 전극에 연결된 제2영역 및, 상기 캐패시턴스선들중 하나 및 게이트 신호선들중의 하나에 의해 분리되고, N 또는 P 도전형을 각각 갖는 적어도 4개의 제3영역들을 포함하며, 상기 제3영역들 각각은 N 또는 P 도전형을 제공하는 불순물의 낮은 농도를 가진 저농도 불순물 영역을 갖는, 능동 매트릭스 표시 장치.
- 제3항에 있어서, 상기 캐패시턴스선들중의 상기 대응하는 선은 상기 픽셀 전극들중의 상기 대응하는 전극과 겹치지 않지만, 상기 캐패시턴스선들중의 인접 캐패시턴스 선과 관련된 상기 픽셀 전극들중의 인접 전극의 일부와 겹쳐지는, 능동 매트릭스 표시 장치.
- 제5항에 있어서, 상기 대응 캐패시턴스선들은 상기 픽셀 전극들중의 하나의 전극과 겹쳐지지 않지만, 상기 캐패시턴스선들중의 인접한 선과 관련된 상기 픽셀 전극들중의 인접 전극의 일부와 겹쳐지는, 능동 매트릭스 표시 장치.
- 능동 매트릭스 표시 장치에 있어서, 한쌍의 인접한 픽셀 전극들과, 상기 픽셀 전극들 사이에 배열된 한쌍의 게이트 신호선들과, 상기 게이트 신호선들 사이에 배열된 캐패시턴스선 및, 상기 픽셀 전극들에 각각 연결된 한쌍의 섬(island) 형상 반도체 영역들을 포함하며, 상기 섬 형상 반도체 영역들의 끝부분들은 상기 픽셀 전극들에 연결되고, 상기 게이트 신호선들 각각은 상기 섬 형상 반도체 영역들중 각각의 영역의 적어도 세 부분들과 겹치고, 상기 캐패시턴스선은 상기 섬 형상 반도체 영역들중 각각의 영역의 적어도 두 부분들과 겹치고, 상기 반도체 영역들 각각은 저농도로 도핑된 드레인 영역을 포함하는, 능동 매트릭스 표시 장치.
- 능동 매트릭스 표시 장치에 있어서, 다수의 실질적으로 평행한 게이트선들과, 상기 다수의 실질적으로 평행한 게이트선들과 교차하며 다수의 게이트선-데이터선 교차부들을 형성하는 다수의 데이터 선들로서, 상기 게이트선들 및 상기 데이터선들은 기판상에 제공되는, 상기 다수의 데이터 선들과, 상기 게이트선-데이터선 교차부들중 하나의 교차부에 실질적으로 각각 배치되는 픽셀 전극들의 매트릭스와, 상기 기판상에 형성되고, 상기 게이트선-데이터 선 교차부들중 하나의 교차부에 각각 배치되어, 상기 픽셀 전극들중 대응하는 하나의 전극을 스위칭시키는 스위칭 소자들의 매트릭스를 포함하며, 상기 스위칭 소자들 각각은, 상기 게이트선들중 대응하는 하나의 게이트 선이 반도체 섬(semiconductor island)의 적어도 두 개의 이격되어 있는 영역들과 교차하도록 구성되는 반도체 섬으로서, 상기 적어도 두 개의 이격된 영역들은 채널 영역들을 구성하는, 상기 반도체 섬과, 상기 적어도 두 개의 이격된 영역들에 인접한 상기 반도체 섬내에 형성되는 다수의 불순물 도핑된 영역들로서, 상기 다수의 불순물 도핑된 영역들중 적어도 하나의 영역은 상기 적어도 두 개의 이격되어 있는 영역들중 하나의 영역과 직접 접촉하는 저농도로 도핑된 영역을 포함하는, 상기 다수의 불순물 도핑된 영역들을 포함하는, 능동 매트릭스 표시 장치.
- 제9항에 있어서, 상기 다수의 게이트 선들과 실질적으로 평행하게 연장되는 다수의 캐패시턴스선을 더 구비하며, 상기 캐패시턴스선들중 하나의 선이 그 아래에 채널 영역을 형성하기 위하여 상기 반도체 섬상에 연장되는, 능동 매트릭스 표시 장치.
- 제5항에 있어서, 상기 제3영역들 각각의 오프셋 영역들은 관계된 픽셀 전극들로부터 저농도 불순물 영역들을 측방으로 오프셋시키는, 능동 매트릭스 표시 장치.
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- 1996-02-15 KR KR1019960004109A patent/KR100297868B1/ko not_active Expired - Fee Related
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1997
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Also Published As
Publication number | Publication date |
---|---|
JPH11121763A (ja) | 1999-04-30 |
CN1213812A (zh) | 1999-04-14 |
CN1550859B (zh) | 2010-05-26 |
CN1156298A (zh) | 1997-08-06 |
TW406210B (en) | 2000-09-21 |
DE19605670B4 (de) | 2007-06-28 |
JP3614671B2 (ja) | 2005-01-26 |
US6417896B1 (en) | 2002-07-09 |
CN1146058C (zh) | 2004-04-14 |
DE19605670A1 (de) | 1996-08-22 |
CN1177371C (zh) | 2004-11-24 |
KR100333157B1 (ko) | 2002-10-19 |
TW345654B (en) | 1998-11-21 |
CN1157448A (zh) | 1997-08-20 |
US6914642B2 (en) | 2005-07-05 |
CN1550859A (zh) | 2004-12-01 |
DE19605634B4 (de) | 2007-04-19 |
US5729308A (en) | 1998-03-17 |
DE19605634A1 (de) | 1996-08-22 |
US20020149711A1 (en) | 2002-10-17 |
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