KR950009328A - 액정표시장치 - Google Patents

액정표시장치 Download PDF

Info

Publication number
KR950009328A
KR950009328A KR1019940022073A KR19940022073A KR950009328A KR 950009328 A KR950009328 A KR 950009328A KR 1019940022073 A KR1019940022073 A KR 1019940022073A KR 19940022073 A KR19940022073 A KR 19940022073A KR 950009328 A KR950009328 A KR 950009328A
Authority
KR
South Korea
Prior art keywords
liquid crystal
substrate
poly
alignment film
substrates
Prior art date
Application number
KR1019940022073A
Other languages
English (en)
Other versions
KR100216160B1 (ko
Inventor
가즈히코 쓰다
토키히코 시노미야
신지 야마기시
스이치 코자키
Original Assignee
쯔지 하루오
샤프 가부시끼가이샤
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 claimed from JP21723293A external-priority patent/JP3102972B2/ja
Priority claimed from JP21723393A external-priority patent/JP3102973B2/ja
Application filed by 쯔지 하루오, 샤프 가부시끼가이샤 filed Critical 쯔지 하루오
Publication of KR950009328A publication Critical patent/KR950009328A/ko
Application granted granted Critical
Publication of KR100216160B1 publication Critical patent/KR100216160B1/ko

Links

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
    • G02F1/137—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
    • G02F1/1391—Bistable or multi-stable liquid crystal 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
    • G02F1/133—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
    • 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
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • 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
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition

Landscapes

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

Abstract

상하부 기판 및 그의 표면상에 형성된 전극 및 그의 전면에 걸쳐 형성된 배향막, 기판사이에 삽입된 네마틱액정, 및 상술한 액정분자의 종축을 이동시키기 위한 구동 수단을 포함하고, 이때 구동수단은 액정에 전압을 인가하는 것에 의해 상부 기판과 인접하는 액정 분자의 종축이 기판에 대하여 틸트각을 갖고 또 하부 기판과 인접하는 액정분자의 종축이 하부 기판에 대하여 평행인 반면 기판면에 투영된 상부 및 하부 기판과 인접하는 액정분자의 종축이 하부 기판에 대하여 틸트각을 갖고 또 상부 기판과 인접하는 액정분자의 종축이 상부 기판과 평행인 반면 기판들에 투영된 하부 및 상부 기판과 인접하는 액정분자의 종축이 일반적으로 동일한 방향으로 배향된 제2상태 사이에서 선택적으로 쌍안정적으로 스위칭시키는 것을 특징으로 하는 액정표시장치.

Description

액정표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 액정표시장치의 개략도.

Claims (9)

  1. 표면상에 소정 패턴으로 형성된 전극을 갖는 각 기판에 대하여 일반적으로 평행 및 반대방행 관계로 배치된 상하부 기판 및 기판 전체 표면에 걸쳐 형성된 배향막, 기판사이에 삽입된 액정 및 상술한 액정분자의 종축을 이동시키기 위한 구동 수단을 포함하고 있고, 이때 액정은 네마틱 액정이고, 배향막은 측쇄에 적어도 한개의 6원 고리기를 갖는 고분자 막으로 형성되고 또 1축 방향으로 배향처리되며, 구동수단은 액정에 전압을 인가하는 것에 의해 상부 기판과 인접하는 액정분자의 종축이 기판에 대하여 털트각을 갖고 또 하부 기판과 인접하는 액정분자의 종축이 하부 기판에 대하여 평행인 반면 기판면에 투영된 상부 및 하부 기판과 인접하는 액정분자의 종축이 일반적으로 동일한 방향으로 배향딘 제1상태, 및 하부 기판과 인접하는 액정분자의 종축이 하부 기판에 대하여 털트각을 갖고 또 상부 기판과 인접하는 액정분자의 종숙이 상부 기판과 평행인 반면 기판들에 투영된 하부 및 상부 기판과 인접하는 액정분자의 종축이 일반적으로 동일한 방향으로 배향된 제2상태 사이에서 선택적으로 쌍안정적으로 스위칭시키는 것을 특징으로 하는 액정표시장치.
  2. 제1항에 있어서 , 배향막상의 액정분가가 상기 배향막의 배향처리 방향과 평행하는 제1방향 또는 상기 배향막의 배향처리의 방향과 10내지 80°편향된 제2방향을 나타내고 제1 및 제2배향은 프리틸트각에서 상이한 액정표시장치.
  3. 제1항에 있어서, 고분자가, 폴리스티렌, 포리(2-브로모스티렌), 폴리(3-브로모스티렌), 폴리(4-브로모스티렌), 폴리(2-클로로스티렌), 폴리(3-클로로스티렌), 폴리(4-클로로스티렌), 폴리(2-니트로스티렌), 폴리(2-페닐스티렌), 폴리(2-메틸스티렌), 폴리(2-메록시스티렌), 폴리(2-히드록시스티렌), 폴리(2-비닐피리딘), 폴리(4-비닐피리딘) 및 폴리비닐카르바졸을 포함하는 군데서 선정된 액정표시장치.
  4. 제1항에 있어서, 상부 및 하부 기판이 상부 기판상의 배향막의 배향 및 하부 기판상의 배향막이 서로 0내지 90°로 트위스트되는 반대 관게로 배치된 액정표시장치.
  5. 제4항에 있어서, 상부 기판상의 배향막의 방향 및 하부 기판상의 배향막의 방향이 서로 약45°로 트위스트된 액정 표시장치.
  6. 제1항에 있어서, 액정이 키럴 도펀트를 함유하는 액정표시장치.
  7. 제6항에 있어서, 부가된 키럴 도펀트의 양이 하기 부등호식을 만족하는 양인 액정표시장치:0.05〈d/p〈0.1식중에서, d는 액정표시장치의 두께이고 또 p는 액정의 키럴피치이다.
  8. 제1항에 있어서, 액정이 색소와 혼합된 액정표시장치.
  9. 제8항에 있어서, 상기 기판들이 상부 기판상의 배향막의 방향 및 하부 기판상의 배향막이 방향이 서로 약90°로 트위스트되는 반대관계로 배치된 액정표시장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940022073A 1993-09-01 1994-08-31 액정표시장치 KR100216160B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP93/217232 1993-09-01
JP93/217233 1993-09-01
JP21723293A JP3102972B2 (ja) 1993-09-01 1993-09-01 液晶表示装置及びその製造方法
JP21723393A JP3102973B2 (ja) 1993-09-01 1993-09-01 液晶表示装置及びその製造方法

Publications (2)

Publication Number Publication Date
KR950009328A true KR950009328A (ko) 1995-04-21
KR100216160B1 KR100216160B1 (ko) 1999-08-16

Family

ID=26521906

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940022073A KR100216160B1 (ko) 1993-09-01 1994-08-31 액정표시장치

Country Status (3)

Country Link
US (1) US5529818A (ko)
KR (1) KR100216160B1 (ko)
CN (1) CN1037030C (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100752505B1 (ko) * 2000-12-30 2007-08-28 엘지.필립스 엘시디 주식회사 강유전성 액정표시장치
KR100851703B1 (ko) * 2000-03-27 2008-08-11 휴렛-팩커드 컴퍼니(델라웨어주법인) 쌍안정 네마틱 액정 디바이스

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2394781B (en) * 2002-10-31 2005-11-09 Hewlett Packard Co Bistable nematic liquid crystal display device
JP2005321610A (ja) * 2004-05-10 2005-11-17 Alps Electric Co Ltd 反射型双安定ネマティック液晶表示装置
CN100572963C (zh) * 2004-05-19 2009-12-23 乐金电子(天津)电器有限公司 空调机的前面板
TWI313431B (en) * 2006-04-14 2009-08-11 Ritdisplay Corporatio Transparent touch panel
US8226860B2 (en) * 2007-03-29 2012-07-24 Akron Polymer Systems Optical compensation films having positive birefringence for liquid crystal display
US8435636B2 (en) * 2007-03-29 2013-05-07 Akron Polymer Systems, Inc. Optical compensation films of brominated styrenic polymers and related methods
US9011992B2 (en) * 2007-03-29 2015-04-21 Akron Polymer Systems Optical compensation films based on stretched polymer films
US8889043B2 (en) 2007-03-29 2014-11-18 Akron Polymer Systems, Inc. Optical films cast from styrenic fluoropolymer solutions
US8304079B2 (en) * 2007-03-29 2012-11-06 Akron Polymer Systems Optical compensation films with birefringence enhancing substituents for liquid crystal display
US8821994B2 (en) 2007-03-29 2014-09-02 Akron Polymer Systems Liquid crystal display having improved wavelength dispersion characteristics
US9096719B2 (en) * 2007-03-29 2015-08-04 Akron Polymer Systems Optical compensation films with mesogen groups for liquid crystal display
US8802238B2 (en) * 2007-03-29 2014-08-12 Akron Polymer Systems, Inc. Optical compensation films based on fluoropolymers
JP2009093143A (ja) * 2007-09-18 2009-04-30 Fujifilm Corp 液晶デバイス
US9234987B2 (en) 2010-09-24 2016-01-12 Akron Polymer Systems, Inc. Wide-view multilayer optical films
US9457496B2 (en) 2011-03-23 2016-10-04 Akron Polymer Systems, Inc. Aromatic polyamide films for transparent flexible substrates
US9856376B2 (en) 2011-07-05 2018-01-02 Akron Polymer Systems, Inc. Aromatic polyamide films for solvent resistant flexible substrates
EP2744851B1 (en) 2011-08-19 2018-09-19 Akron Polymer Systems, Inc. Thermally stable, low birefringent copolyimide films
US8871882B2 (en) 2012-02-14 2014-10-28 Akron Polymer Systems, Inc. Method for the preparation of styrenic fluoropolymers
JP6162794B2 (ja) * 2012-05-01 2017-07-12 アクロン ポリマー システムズ，インコーポレイテッド スチレン系フッ素重合体溶液から流延される光学フィルム
US11614660B2 (en) * 2016-10-28 2023-03-28 Lg Chem, Ltd. Transmittance-variable film capable of controlling pretilt of liquid crystal interface

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367924A (en) * 1980-01-08 1983-01-11 Clark Noel A Chiral smectic C or H liquid crystal electro-optical device
JP3015434B2 (ja) * 1989-09-29 2000-03-06 株式会社東芝 液晶配向膜、その製造方法及びそれを用いた液晶表示素子
JPH03141408A (ja) * 1989-10-27 1991-06-17 Fujitsu Ltd ロボットの遠隔操作支援方法
FR2666908B2 (fr) * 1990-01-30 1992-12-18 Centre Nat Rech Scient Perfectionnements aux dispositifs optiques bistables a cristaux liquides et commande electrochirale.
JP3024336B2 (ja) * 1992-01-29 2000-03-21 日産自動車株式会社 車両用ドア構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100851703B1 (ko) * 2000-03-27 2008-08-11 휴렛-팩커드 컴퍼니(델라웨어주법인) 쌍안정 네마틱 액정 디바이스
KR100752505B1 (ko) * 2000-12-30 2007-08-28 엘지.필립스 엘시디 주식회사 강유전성 액정표시장치

Also Published As

Publication number Publication date
US5529818A (en) 1996-06-25
CN1115864A (zh) 1996-01-31
CN1037030C (zh) 1998-01-14
KR100216160B1 (ko) 1999-08-16

Similar Documents

Publication Publication Date Title
KR950009328A (ko) 액정표시장치
KR100223601B1 (ko) 액정 표시 장치
KR970007436A (ko) 편광 패턴을 이동시키기 위한 방법 및 장치
US6215539B1 (en) Photo-oriented polymer network material having desired azimuthal orientation and tilt angle and method for its production
KR940005979A (ko) 액정 표시 장치
KR900002108A (ko) 액정표시소자
KR940000902A (ko) 액정표시장치
KR950025459A (ko) 액정표시패널
GB2180949A (en) Liquid crystal apparatus
KR100794888B1 (ko) 액정 배향
KR900002107A (ko) 전기광학소자
KR970007440A (ko) 액정표시소자 및 광학이방소자
KR970071078A (ko) 액정 표시 장치
US4792211A (en) Ferroelectric liquid crystal electro-optical device having high water repellent alignment layer
US4776674A (en) Liquid crystal device with chemically-induced high-tilt alignment coating
Park et al. Director tilting of liquid crystals on photoisomerizable polyimide alignment layers doped with homeotropic surfactant
JP4484422B2 (ja) 双安定ネマティック液晶デバイス
KR960042183A (ko) 강유전상 및/또는 반강유전상을 가진 액정을 이용한 액정표시소자
JPH01209424A (ja) 液晶電気光学装置
KR970703544A (ko) 액정 표시 소자 및 그 제조 방법(Liquid crystal display device and method for manufacturing it)
KR970022417A (ko) 어카이랄(achiral)스멕틱 시(C) 액정 물질을 이용한 액정 표시 장치
JP2003287755A5 (ko)
KR930016806A (ko) 강 유전성 액정소자
KR100308158B1 (ko) 멀티도메인액정표시소자
KR100247305B1 (ko) 4도메인 평행배향 액정표시소자

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20030523

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee