KR960029868A - 박막 트랜지스터를 사용한 능동 매트릭스 액정 디스플레이 장치 - Google Patents

박막 트랜지스터를 사용한 능동 매트릭스 액정 디스플레이 장치 Download PDF

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KR960029868A
KR960029868A KR1019960002033A KR19960002033A KR960029868A KR 960029868 A KR960029868 A KR 960029868A KR 1019960002033 A KR1019960002033 A KR 1019960002033A KR 19960002033 A KR19960002033 A KR 19960002033A KR 960029868 A KR960029868 A KR 960029868A
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liquid crystal
transistor
side conductive
display device
crystal display
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KR1019960002033A
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KR100221759B1 (ko
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마코토 와타나베
코지 나까시마
오사무 스께가와
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가네꼬 히사시
닛본덴기 가부시끼가이샤
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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
    • 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
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • 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
    • G02F1/136213—Storage capacitors associated with the pixel electrode
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/128—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode field shaping

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Thin Film Transistor (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

본 발명의 능동 매트릭스형 액정 디스플레이 장치는 다수의 액정 엘리먼트를 갖는다. 각 액정 멜러먼트는 트랜지스터부, 상기 트랜지스터부에 전기적으로 접속된 트랜지스터측 도전성 차광막(116), 및 트랜지스터측에 결합된 대향 전극(121)을 가진 액정 엘리먼트를 갖고 있다. 각 액정 엘리먼트에는 상기 대향 전극(121)에 접속된 제1전위 단자 및 상기 트랜지스터측 도전성 차광막(116)에 접속된 제2전위 단자가 있는데, 상기 제1전위단자에 의해 인가된 전위(Vcom)는 제2전위 단자에 의해 인가된 전위(Vsc)와 다르게 되어 있다. 이러한 배열로 인하여, 액정의 역전 경사의 원인이 되는 화소 부분 주위의 측면 필드 성분이 수직 필드 성분에 비하여 상대적으로 감소되어 디스클리네이션이 감소되고 잔상없이 우수한 디스플레이 특성을 제공할 수 있다.

Description

박막 트랜지스터를 사용한 능동 매트릭스 액정 디스플레이 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 일본 특허 출원 공개 정보 평3－50527호에 개시된 액정 디스플레이 장치의 종래 단위 화소의 평면도, 제11도는 본 발명에 따른 제1실시예의 단위 화소의 등가회로도.

Claims (4)

  1. 다수의 액정 엘리먼트를 가진 능동 매트릭스형 액정 디스플레이 장치에 있어서, 상기 액정 엘리먼트 각각이, 게이트 전극(1 : 111), 게이트 절연막(115), 반도체막(2), 소스전극(4), 드레인 전극(3: 113), 및 패시베이션 절연막(117)을 가진 트랜지스터부, 전기적으로 상기 트랜지스터 부에 결합되어 있으며 개방 부분을 갖고 있는 트랜지스터측 전도성 차공막(116), 상기 트랜지스터측 도전성 차광막이 상기 개방 부분위에 형성되며 전기적으로는 상기 트랜지스터부의 상기 소스 전극에 접속된 화소 전극(5; 105), 상기 패시베이션 절연막 상에 형성된 액정층(130), 상기 액정층 위에 형성된 대향 전극(121), 및 상기 트랜지스터측 도전성 차광막에 상기 대향 전극에 인가된 전위와는 별도의 전위를 인가하는 수단을 포함하는 것을 특징으로 하는 능동 매트릭스형 액정 디스플레이 장치.
  2. 제1항에 있어서, 상기 전위 인가수단은 상기 대향 전극(112)에 접속된 제1전위 단자(Vcmo)와 상기 트랜지스터측 도전성 차광막(116)에 접속된 제2전위 단자(Vsc)를 포함하는 것을 특징으로 하는 매트릭스형 액정 디스플레이 장치.
  3. 제1항에 있어서, 상기 트랜지스터측 도전성 차광막(116)은 상기 대향 전극 (121)에 인가된 오프세트 전압보다 수십볼트 낮은 부하 전압이 인가되는 것을 특징으로 하는 능동 매트릭스형 액정 디스플레이 장치.
  4. 제3항에 있어서, 상기 트랜지스터부에 있는 백 채널상의 상기 패시베이션 절연막(117) 위에 피착된 백채널측 도전성 차광막(14; 140) 및 상기 트랜지스터측 도전성 차광막(116)상에 피착된 절연막층(114, 115, 116)에 제공된 접촉홀을 추가로 구비하며, 상기 백채널측 도전성 차광막(116) 및 상기 트랜지스터측 도전성 차광막은 상기 접촉홀을 통해 전기적으로 서로 접속되어 있는 것을 특징으로 하는 능동 매트릭스형 액정 디스플레이 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960002033A 1995-01-31 1996-01-30 박막 트랜지스터를 사용한 능동 매트릭스 액정 표시 장치 KR100221759B1 (ko)

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JP3623595A JP2770763B2 (ja) 1995-01-31 1995-01-31 アクティブマトリクス液晶表示装置
JP95-36235 1995-01-31

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KR960029868A true KR960029868A (ko) 1996-08-17
KR100221759B1 KR100221759B1 (ko) 1999-09-15

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US (1) US5859677A (ko)
EP (1) EP0725301B1 (ko)
JP (1) JP2770763B2 (ko)
KR (1) KR100221759B1 (ko)
DE (1) DE69627066T2 (ko)

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KR102002858B1 (ko) 2012-08-10 2019-10-02 삼성디스플레이 주식회사 박막 트랜지스터 기판 및 그 제조 방법
JP6098017B2 (ja) * 2014-02-17 2017-03-22 エバーディスプレイ オプトロニクス（シャンハイ） リミテッド 薄膜トランジスタアレイ基板及びその製造方法
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Publication number Publication date
EP0725301B1 (en) 2003-04-02
EP0725301A1 (en) 1996-08-07
KR100221759B1 (ko) 1999-09-15
JP2770763B2 (ja) 1998-07-02
DE69627066D1 (de) 2003-05-08
US5859677A (en) 1999-01-12
DE69627066T2 (de) 2004-02-12
JPH08201773A (ja) 1996-08-09

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