KR970071059A - 액정표시장치 - Google Patents

액정표시장치 Download PDF

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Publication number
KR970071059A
KR970071059A KR1019960010152A KR19960010152A KR970071059A KR 970071059 A KR970071059 A KR 970071059A KR 1019960010152 A KR1019960010152 A KR 1019960010152A KR 19960010152 A KR19960010152 A KR 19960010152A KR 970071059 A KR970071059 A KR 970071059A
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KR
South Korea
Prior art keywords
liquid crystal
substrate
crystal display
display device
alignment
Prior art date
Application number
KR1019960010152A
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English (en)
Other versions
KR100225910B1 (ko
Inventor
히로시 고마쓰
Original Assignee
구자홍
Lg 전자주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to KR1019960010152A priority Critical patent/KR100225910B1/ko
Application filed by 구자홍, Lg 전자주식회사 filed Critical 구자홍
Priority to US08/832,980 priority patent/US5995186A/en
Publication of KR970071059A publication Critical patent/KR970071059A/ko
Priority to US09/365,634 priority patent/US6323927B1/en
Application granted granted Critical
Publication of KR100225910B1 publication Critical patent/KR100225910B1/ko
Priority to US09/768,241 priority patent/US6317183B2/en
Priority to US09/982,830 priority patent/US6781660B2/en
Priority to US09/982,836 priority patent/US6903792B2/en
Priority to US10/843,555 priority patent/US7042543B2/en
Priority to US11/302,390 priority patent/US7369203B2/en
Priority to US12/078,871 priority patent/US7683999B2/en

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Classifications

    • 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
    • G02F1/1343—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]

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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)
  • Geometry (AREA)
  • Liquid Crystal (AREA)

Abstract

횡전계 액정표시장치의 신호전극과 공통전극은 기판에 평행하게, 기판의 수평방향에 대하여 비스듬한 형상으로 형성되어 있다. 액정층에 인가되는 전계가 불균일하게 형성되도록 신호전극과 공통전극의 간격은 액정층의 간격보다 작게 형성되어 전극이 형성된 기판 근처의 액정분자는 전계의 영향으로 회전하지만, 전극이 형성되지 않은 기판 근처의 액정분자는 원래의 상태를 유지하여 액정층 전체에 걸쳐서 액정분자가 트위스트된다. 액정층의 보상값은 다음과 같은 식으로 표현되며,
여기서

Description

액정표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명의 액정표시장치의 화소를 나타내는 도면, 제3도는 본 발명 액정표시장치의 축방향을 나타내는 도면, 제4도는 본 발명에 따라 제작된 액정표시장치를 나타내는 도면, 제5도는 본 발명에 따라 제작된 박막 트랜지스터형 액정표시장치의 화소를 나타내는 도면.

Claims (14)

  1. 평행하게 배치된 제1기판 및 제2기판과, 상기한 제1기판 및 제2기판 사이에 형성된 액정층과, 상기한 제1기판 및 제2기판에 각각 형성된 배향층과, 상기한 액정층의 두께보다 작은 간격으로 제1기판에 서로 평행하게 형성된 적어도 한쌍의 전극과, 상기한 제1기판 및 제2기판에 부착된 편광판과 검광판으로 구성된 액정표시장치.
  2. 제1항에 있어서, 상기한 액정층의 배향방향이 기판에 대하여 수평방향 또는 수직방향인 것을 특징으로 하는 액정표시장치.
  3. 제1항에 있어서, 상기한 제1기판 및 제2기판 위에 성막된 배향층에 형성되는 배향방향이 서로 수직한 것을 특징으로 하는 액정표시장치.
  4. 제1항에 있어서, 상기한 편광판과 검광판의 편광방향이 서로 수직한 것을 특징으로 하는 액정표시장치.
  5. 제1항에 있어서, 상기한 편광판 및 검광판의 편광방향이 상기한 배향막의 배향방향과 평행한 것을 특징으로 하는 액정표시장치.
  6. 제1항에 있어서, 상기한 한쌍의 전극이 기판의 수평방향에 대하여 θEL의 각도로 형성되는 것을 특징으로 하는 액정표시장치.
  7. 제6항에 있어서, 0°＜θEL＜90°인 것을 특징으로 하는 액정표시장치.
  8. 제7항에 있어서, θEL이 85°인 것을 특징으로 하는 액정표시장치.
  9. 제6항에 있어서, 90°＜θEL＜180°인 것을 특징으로 하는 액정표시장치.
  10. 제9항에 있어서, °EL이 95θ인 것을 특징으로 하는 액정표시장치.
  11. 제1항에 있어서, 상기한 액정층의 보상값()이(:액정의 굴절율이방성, d:액정층의 두께, λ:파장)인 것을 특징으로 하는 액정표시장치.
  12. 제11항에 있어서, 상기한 액정층의 보상값이 0.74λ인 것을 특징으로 하는 액정표시장치.
  13. 제1항에 있어서, 상기한 제1기판에 형성된 배향막이 제2기판에 형성된 배향막보다 작은 앵커링 에너지를 갖는 물질로 이루어진 것을 특징으로 하는 액정표시장치.
  14. 제1항에 있어서, 상기한 제1기판에 형성된 배향막이 무기배향재료인 것을 특징으로 하는 액정표시장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960010152A 1996-04-04 1996-04-04 액정표시장치(liquid crystal display device) KR100225910B1 (ko)

Priority Applications (9)

Application Number Priority Date Filing Date Title
KR1019960010152A KR100225910B1 (ko) 1996-04-04 1996-04-04 액정표시장치(liquid crystal display device)
US08/832,980 US5995186A (en) 1996-04-04 1997-04-04 Parallel field liquid crystal display with substantially straight data and common electrodes inclined at an angle to a gate line
US09/365,634 US6323927B1 (en) 1996-04-04 1999-08-03 IPS—LCD having electrodes′characteristics
US09/768,241 US6317183B2 (en) 1996-04-04 2001-01-25 IPS-LCD having correlation of electrodes and substrates
US09/982,830 US6781660B2 (en) 1996-04-04 2001-10-22 Liquid crystal display
US09/982,836 US6903792B2 (en) 1996-04-04 2001-10-22 Liquid crystal display
US10/843,555 US7042543B2 (en) 1996-04-04 2004-05-12 Liquid crystal display
US11/302,390 US7369203B2 (en) 1996-04-04 2005-12-14 Liquid crystal display
US12/078,871 US7683999B2 (en) 1996-04-04 2008-04-07 Liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960010152A KR100225910B1 (ko) 1996-04-04 1996-04-04 액정표시장치(liquid crystal display device)

Publications (2)

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KR970071059A true KR970071059A (ko) 1997-11-07
KR100225910B1 KR100225910B1 (ko) 1999-10-15

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KR (1) KR100225910B1 (ko)

Cited By (9)

* Cited by examiner, † Cited by third party
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KR19990051849A (ko) * 1997-12-20 1999-07-05 김영환 액정 표시 소자
KR19990070436A (ko) * 1998-02-20 1999-09-15 윤종용 새로운 전극 구조를 갖는 액정 표시 장치
KR100360041B1 (ko) * 1998-06-23 2002-11-04 후지쯔 가부시끼가이샤 액정 표시 장치
KR100372578B1 (ko) * 2000-08-08 2003-02-17 엘지.필립스 엘시디 주식회사 횡전계방식 액정표시장치
US6636289B2 (en) 2000-04-19 2003-10-21 Lg.Philips Lcd Co., Ltd. In-plane switching LCD panel with multiple domains and rubbing directions symetric about a line
KR100477137B1 (ko) * 1997-12-31 2005-07-29 삼성전자주식회사 평면구동방식액정표시장치
KR100487424B1 (ko) * 1998-07-09 2005-08-29 엘지.필립스 엘시디 주식회사 복합전계방식액정표시소자및그제조방법
KR100687322B1 (ko) * 1999-06-25 2007-02-27 비오이 하이디스 테크놀로지 주식회사 고개구율 및 고투과율 액정 표시 장치
KR100819866B1 (ko) * 2006-12-29 2008-04-08 엘지.필립스 엘시디 주식회사 횡전계 방식 액정표시장치용 어레이 기판과 그 제조방법

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KR100344844B1 (ko) 1998-07-07 2002-11-18 엘지.필립스 엘시디 주식회사 액정표시소자및그제조방법
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