KR900012118A - 액정 표시장치 - Google Patents

액정 표시장치 Download PDF

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Publication number
KR900012118A
KR900012118A KR1019900000319A KR900000319A KR900012118A KR 900012118 A KR900012118 A KR 900012118A KR 1019900000319 A KR1019900000319 A KR 1019900000319A KR 900000319 A KR900000319 A KR 900000319A KR 900012118 A KR900012118 A KR 900012118A
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KR
South Korea
Prior art keywords
liquid crystal
crystal display
display device
crystal material
cell
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Application number
KR1019900000319A
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English (en)
Inventor
에밀리엔느 요안나 리타 헤인데릭쓰 인그리드
후베르투스 포트마 아벨
레오나르두스 벨젠 테오도루스
요하누스 빌헬무스 듀익스 페트루스
Original Assignee
에프. 제이. 스미트
엔. 브이. 필립스 글로아이람 펜파브리켄
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.)
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Application filed by 에프. 제이. 스미트, 엔. 브이. 필립스 글로아이람 펜파브리켄 filed Critical 에프. 제이. 스미트
Publication of KR900012118A publication Critical patent/KR900012118A/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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • 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
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • G02F1/1397—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)

Abstract

내용 없음

Description

액정 표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 장치의 개략적인 단면도, 제2도는 광로 길이의 함수로써 교차된 편광기 사이에서 단일 액정층의 개략적인 전달도, 제3도는 전달/전압 특성 곡선도, 제4도 및 5도는 제2셀 양단의 다른 보상 전압 값에서 제1도에 따른 장치에 대한 다른 전달/전압 특성 곡선도.

Claims (8)

  1. 제1액정 물질층 양단에 작동 범위의 전압을 제공하기 위하여 구동 전극이 구비된 한쌍의 제1지지 판 사이에서 상기 제1액정 물질층을 갖는 제1셀과, 전극이 구비된 한쌍의 제2지지 판 사이에서 제2액정 물질층을 갖는 제2셀을 구비하며, 상기 제1액정 물질은, 복굴절 효과가 최저 동작 전압에서 일어나는 액정 분자의 월 오리엔테이션 및 트위스트 각도와 정극성 유전비등방성을 가지며, 상기 제2액정 물질은 제1액정 물질층의 트위스트각도에 반대인 액정 분자의 트위스트 각도를 가지는 액정 표시 장치에 있어서, 바이어스 전압은 전극에 의해 제2액정 물질층 양단에 인가되고, 상기 바이어스 전압은 제2액정 물질층내에서 복굴절 효과를 수용하며, 상기 복굴절 효과는 최저 또는 최고 동작 전압과 관련된 제1액정 물질층내의 복굴적 효과와 방향은 반대이며 크기는 동일한 것을 특징으로 하는 액정 표시 장치.
  2. 제1항에 있어서, 장치의 전달율이 실질적으로 최소 또는 최고인 전압은 바이어스 전압으로 선택되는 것을 특징으로 하는 액정 표시 장치.
  3. 제1 또는 2항에 있어서, 두 셀에 대한 두께 d및 복굴절 차이 △n은 실질적으로 동일한 것을 특징으로 하는 액정 표시 장치.
  4. 제3항에 있어서, 제1셀은 능동 구동 모드에서 동작되고 바이어스 전압은 최소 구동 전압과 동일하고 최소 구동 전압은 능동 구동을 위해 제1액정 물질층 양단에 인가되는 것을 특징으로 하는 액정 표시 장치.
  5. 선행항중 어느 한 항에 있어서, 상기 장치는 상호 수직인 편광기를 구비하는 것을 특징으로 하는 액정 표시 장치.
  6. 반사기를 사용하는 제1내지 4항중 어느 한 항에 있어서, 상기 장치는 편광기 및 편광-반사기를 구비하며, 제2셀은 가시적인 면상에 있는 것을 특징으로 하는 액정 표시 장치.
  7. 선행항중 어느 한 항에 있어서, 제2셀의 광로 길이 d2△n2는 제1셀의 광 통로 길이 d1△n1와 동일한 것을 특징으로 하는 액정 표시 장치.
  8. 선행항중 어느 한 항에 있어서, 두개의 셀은 공통 기판을 가지는 것을 특징으로 하는 액정 표시 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900000319A 1989-01-16 1990-01-12 액정 표시장치 KR900012118A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8900089 1989-01-16
NL8900089A NL8900089A (nl) 1989-01-16 1989-01-16 Vloeibaar kristal weergeefinrichting.

Publications (1)

Publication Number Publication Date
KR900012118A true KR900012118A (ko) 1990-08-03

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ID=19853957

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900000319A KR900012118A (ko) 1989-01-16 1990-01-12 액정 표시장치

Country Status (4)

Country Link
EP (1) EP0379241A1 (ko)
JP (1) JPH02234117A (ko)
KR (1) KR900012118A (ko)
NL (1) NL8900089A (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457551A (en) * 1993-10-08 1995-10-10 Planar Systems, Inc. Frame response compensated, video rate addressable liquid crystal passive matrix display system
DE69811201T2 (de) * 1997-07-18 2003-08-14 Citizen Watch Co Ltd Flüssigkristallanzeige
CN1244929A (zh) * 1997-11-28 2000-02-16 时至准钟表股份有限公司 液晶显示装置及其驱动方法
JP2005265930A (ja) * 2004-03-16 2005-09-29 Mitsubishi Electric Corp 液晶表示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3752219T2 (de) * 1986-05-19 1999-02-18 Seiko Epson Corp Flüssigkristall-Anzeigevorrichtung
JPS63234225A (ja) * 1987-03-23 1988-09-29 Sharp Corp 液晶表示装置
DE3887436T2 (de) * 1987-10-13 1994-05-11 Fujitsu Ltd Flüssigkristall-Anzeigetafel.

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JPH02234117A (ja) 1990-09-17
EP0379241A1 (en) 1990-07-25
NL8900089A (nl) 1990-08-16

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