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KR960042178A - 표시 장치 - Google Patents

표시 장치 Download PDF

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Publication number
KR960042178A
KR960042178A KR1019960014941A KR19960014941A KR960042178A KR 960042178 A KR960042178 A KR 960042178A KR 1019960014941 A KR1019960014941 A KR 1019960014941A KR 19960014941 A KR19960014941 A KR 19960014941A KR 960042178 A KR960042178 A KR 960042178A
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KR
South Korea
Prior art keywords
electrode
light shielding
pixel electrode
shielding electrode
display device
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Granted
Application number
KR1019960014941A
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English (en)
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KR100333156B1 (ko
Inventor
쯔앙 홍용
Original Assignee
야마자끼 순페이
한도타이 에네루기 겐쿠쇼 가부시키가이샤
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Publication of KR960042178A publication Critical patent/KR960042178A/ko
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Publication of KR100333156B1 publication Critical patent/KR100333156B1/ko
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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
    • G02F1/136—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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/481—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs integrated with passive devices, e.g. auxiliary capacitors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
    • 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

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Thin Film Transistor (AREA)

Abstract

ITO 화소 전극의 주변을 피복하기 위해서 블랙 매트릭스로서의 역할도 수행하는 금속 전극이 형성된다. 화소 전극과 금속 전극이 함께 연장하는 영역은 또한 보조 캐패시터의 역할을 수행한다. 보조 캐패시터는 절연 박막을 사용하여 형성될 수 있으므로, 큰 용량을 가질 수 있다. 블랙 매트릭스도 또한 보조 캐패시터로서의 역할을 수행하는 구조의 도움으로, 보조 캐패시터에 전용으로 사용되는 전극을 제공할 필요가 없고, 따라서 개구율의 감소를 방지할 수 있다. 게다가, 블랙 매트릭스는 광으로부터 소스선과 게이트선을 완전하게 차폐할 수 있다.

Description

표시 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 액티브 매트릭스 액정 화면 표시 장치에 관한 화소 영역의 구조를 도시하는 단면도, 제2도는 제1도의 화소 영역을 도시하는 상단면도.

Claims (7)

  1. 기판과, 화소 영역들의 매트릭스를 정의하기 위해서 매트릭스의 형태로 배열된 복수개의 소스선 및 복수개의 게이트선과, 상기 화소 영역들의 각각에 배치된 적어도 하나의 화소 전극 및, 상기 소스선과 게이트선을 피복하도록 배치된 광 차폐 전극을 구비하고, 상기 화소 전극들의 각각은 상기 소스선들의 두개의 인접 소스선과 상기 게이트선들의 두개의 인접 게이트선에 의해서 경계지어지며, 상기 화소 전극의 주변은 상기 화소 전극의 상기 주변과 상기 광 차폐 전극 사이에 보조 캐패시터를 형성하도록 상기 광 차폐 전극과 중첩하는 것을 특징으로 하는 표시 장치.
  2. 제1항에 있어서, 상기 화소 전극과 상기 광 차폐 전극은 상기 동일의 기판 위에 형성되는 것을 특징으로 하는 표시 장치.
  3. 매트릭스의 형태로 배열되는 소스선 및 게이트선들과, 상기 소스선들과 상기 게이트선들에 의해서 둘러싸인 각 영역에 배치된 적어도 하나의 화소 전극 및, 상기 화소 전극의 주변과 중첩하도록 배치된 광 차폐 전극을 구비하고, 상기 화소 전극과 상기 광 차폐 전극은 절연막을 통해서 캐패시터를 구성하고, 상기 광 차폐 전극은 상기 소스선과 상기 게이트선과는 다른 층에 존재하는 것을 특징으로 하는 표시 장치.
  4. 제3항에 있어서, 상기 화소 전극과 상기 광 차폐 전극은 상기 동일의 기판 위에 형성되는 것을 특징으로 하는 표시 장치.
  5. 입사광의 한 측면으로부터 기록되는 순서대로, 화소 전극과, 광 차폐 전극과, 소스선 및, 게이트선을 구비하고, 상기 화소 전극과 상기 광 차폐 전극은 그들 사이에 캐패시터를 구성하는 것을 특징으로 하는 표시장치.
  6. 제5항에 있어서, 상기 광 차폐 전극은 상기 화소 전극의 주변과 중첩하도록 배치되는 것을 특징으로 하는 표시 장치.
  7. 제5항에 있어서, 상기 광 차폐 전극은 상기 소스선과 상기 게이트선을 상기 입사광으로부터 차폐하는 것을 특징으로 하는 표시 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960014941A 1995-05-08 1996-05-08 표시장치 Expired - Lifetime KR100333156B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP13481095 1995-05-08
JP95-134810 1995-05-08
JP96-58500 1996-02-21
JP5850096A JPH0926603A (ja) 1995-05-08 1996-02-21 表示装置

Related Child Applications (1)

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KR1019990006628A Division KR100351398B1 (ko) 1995-05-08 1999-02-27 표시 장치

Publications (2)

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KR960042178A true KR960042178A (ko) 1996-12-21
KR100333156B1 KR100333156B1 (ko) 2003-06-09

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KR1019960014941A Expired - Lifetime KR100333156B1 (ko) 1995-05-08 1996-05-08 표시장치
KR1019990006628A Expired - Lifetime KR100351398B1 (ko) 1995-05-08 1999-02-27 표시 장치

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US (5) US5777701A (ko)
JP (1) JPH0926603A (ko)
KR (2) KR100333156B1 (ko)

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