KR970022466A - 액티브매트릭스형 액정표시장치 - Google Patents

액티브매트릭스형 액정표시장치 Download PDF

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Publication number
KR970022466A
KR970022466A KR1019960048754A KR19960048754A KR970022466A KR 970022466 A KR970022466 A KR 970022466A KR 1019960048754 A KR1019960048754 A KR 1019960048754A KR 19960048754 A KR19960048754 A KR 19960048754A KR 970022466 A KR970022466 A KR 970022466A
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South Korea
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liquid crystal
parallel
light shielding
shielding film
active matrix
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KR1019960048754A
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KR100493374B1 (ko
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마사히토 오오에
스케카즈 아라타니
시게루 마쯔야마
히로아키 아스마
키요시게 키느가와
Original Assignee
카나이 쯔또무
가부시기가이샤 히다찌세이사구쇼
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Publication of KR970022466A publication Critical patent/KR970022466A/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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • 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
    • 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
    • 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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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Liquid Crystal (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)

Abstract

본 발명은, 광시야각에서 스메어의 발생이 없는 고화질을 양립하는 가로전계방식의 액티브매트릭스형 액정표시장치를 제공하는 것을 목적으로 한 것이며, 그 구성에 있어서, 기판(7)위에 각 전극이 액정층에 대해 실질적으로 기판(7)과 평행한 전계 (9)를 인가할 수 있도록 구성되고, 상기 액정층의 배향상태에 의해 광학특성을 변화시키는 편광판(8)을 가지고, 기판(7)위의 영상신호전극(3)에 대해 평행으로 형성된 차광막을 구비하고, 이 차광막의 비저항은 108Ωㆍ㎝ 미만인 것을 특징으로 한 것이다.

Description

액티브매트릭스형 액정표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 액티브매트릭스형 액정표시장치의 모식개략도,
제2도는 본 발명의 가로전계방식에 있어서의 액정의 동작을 표시한 도면.

Claims (8)

1쌍의 기판과 상기 1쌍의 기판에 끼워유지된 액정층을 가지고, 상기 1쌍의 기판의 한쪽과 상기 액정층의 사이에는, 복수의 주사전극과, 그들에 매트릭스형상으로 교차하는 복수의 영상신호전극과, 상기 주사전극에 액티브소자를 개재해서 형성된 화소전극과, 상기 화소전극과 평행으로 형성된 공통전극을 가지고, 상기 화소전극과 상기 공통전극의 사이에서 기판에 대해서 평행으로 전계를 발생시키는 액정표시장치에 있어서, 상기 영상 신호전극을 가진 기판에 대향하는 기판위에, 상기 영상신호전극 및 상기 주사전극에 대해서 평행으로 차광막을 구비하고, 상기 영상신호전극에 평행으로 형성된 차광막의 적어도 그 일부의 비저항이 108Ωㆍ㎝ 미만인 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
제1항에 있어서, 상기 영상신호전극에 대해 평행으로 형성된 차광막의 영상신호전극과의 대향부분의 비저항이 108Ωㆍ㎝ 미만인 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
제1항에 있어서, 상기 영상신호전극에 대해 평행으로 형성된 차광막의 적어도 일부가 차광막의 비저항보다도 높은 비저항을 가진 재료로 덮어져 있는 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
제1항에 있어서, 상기 영상신호전극에 대해 평행으로 형성된 차광막의 적어도 일부가 108Ωㆍ㎝ 이상의 비저항을 가진 재료로 덮어져 있는 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
제2항에 있어서, 상기 영상신호전극에 대해 평행으로 형성된 차광막의 영상신호전극과의 대향부분을 제외하는 부분이 비저항이 108Ωㆍ㎝ 이상의 재료로 덮여져 있는 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
제1항에 있어서, 상기 주사전극에 대해 평행으로 형성된 차광막이 비저항이 108Ωㆍ㎝ 이상인 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
제1항에 있어서, 상기 영상신호전극에 대해서 평행으로 형성된 차광막의 전위가 상기 공통전극의 전위와 동일한 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
제1항에 있어서, 상기 차광막이 금속 또는 카본의 입자를 함유하는 유기고분자 재료로 형성되어 있는 것을 특징으로 하는 액티브매트릭스형 액정표시장치.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960048754A 1995-10-26 1996-10-26 액티브매트릭스형액정표시장치 KR100493374B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP95-278644 1995-10-26
JP27864495A JP3200552B2 (ja) 1995-10-26 1995-10-26 アクティブマトリクス型液晶表示装置

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KR970022466A true KR970022466A (ko) 1997-05-28
KR100493374B1 KR100493374B1 (ko) 2005-08-17

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US (3) US5805247A (ko)
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Publication number Publication date
US6392732B1 (en) 2002-05-21
KR100493374B1 (ko) 2005-08-17
US6100956A (en) 2000-08-08
US5805247A (en) 1998-09-08
JPH09120061A (ja) 1997-05-06
JP3200552B2 (ja) 2001-08-20

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