CA2009319A1 - Dispositif d'affichage a cristaux liquides - Google Patents

Dispositif d'affichage a cristaux liquides

Info

Publication number
CA2009319A1
CA2009319A1 CA2009319A CA2009319A CA2009319A1 CA 2009319 A1 CA2009319 A1 CA 2009319A1 CA 2009319 A CA2009319 A CA 2009319A CA 2009319 A CA2009319 A CA 2009319A CA 2009319 A1 CA2009319 A1 CA 2009319A1
Authority
CA
Canada
Prior art keywords
liquid crystal
display device
crystal display
phase difference
exit
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2009319A
Other languages
English (en)
Other versions
CA2009319C (fr
Inventor
Hiroshi Ohnishi
Toshiyuki Yoshimizu
Masakazu Wada
Hiroshi Kuwagaki
Toshimichi Katsube
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Individual
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 JP1262624A external-priority patent/JP2667716B2/ja
Application filed by Individual filed Critical Individual
Publication of CA2009319A1 publication Critical patent/CA2009319A1/fr
Application granted granted Critical
Publication of CA2009319C publication Critical patent/CA2009319C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02F1/133—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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • 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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133637—Birefringent elements, e.g. for optical compensation characterised by the wavelength dispersion
    • 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
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/02—Number of plates being 2
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/08—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with a particular optical axis orientation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
CA002009319A 1989-02-06 1990-02-05 Dispositif d'affichage a cristaux liquides Expired - Lifetime CA2009319C (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2838789 1989-02-06
JP7215089 1989-03-24
JP1-72150 1989-04-29
JP11009089 1989-04-29
JP1-110090 1989-04-29
JP1-28387 1989-04-29
JP1262624A JP2667716B2 (ja) 1989-02-06 1989-10-06 液晶表示装置
JP1-262624 1989-10-06

Publications (2)

Publication Number Publication Date
CA2009319A1 true CA2009319A1 (fr) 1990-08-06
CA2009319C CA2009319C (fr) 1994-11-01

Family

ID=27458870

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002009319A Expired - Lifetime CA2009319C (fr) 1989-02-06 1990-02-05 Dispositif d'affichage a cristaux liquides

Country Status (4)

Country Link
US (1) US5089906A (fr)
EP (1) EP0382460B1 (fr)
CA (1) CA2009319C (fr)
DE (1) DE69014334T2 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5107356A (en) * 1989-12-26 1992-04-21 General Electric Company Liquid crystal display device with birefringent films
JPH04104124A (ja) * 1990-08-23 1992-04-06 Semiconductor Energy Lab Co Ltd 液晶電気光学装置
JPH04140722A (ja) * 1990-10-01 1992-05-14 Sharp Corp 液晶表示装置
DE69124911T2 (de) * 1990-10-24 1997-06-19 Nitto Denko Corp Doppelbrechender Film, Verfahren zu seiner Herstellung, verzögernder Film, elliptischer Polarisator und Flüssigkristallanzeigevorrichtung
JPH04194820A (ja) * 1990-11-22 1992-07-14 Sharp Corp 液晶表示装置
US5237438A (en) * 1991-05-02 1993-08-17 Casio Computer Co., Ltd. Liquid crystal display device
JPH0566384A (ja) * 1991-09-10 1993-03-19 Sharp Corp 液晶表示装置
US5583678A (en) * 1993-03-12 1996-12-10 Casio Computer Co., Ltd. Color liquid crystal display apparatus
CA2172973A1 (fr) * 1993-09-29 1995-04-06 Martin Bosma Couche retardatrice a dispersion adaptee a celle de la cellule active a cristaux liquides
US5550660A (en) * 1993-11-22 1996-08-27 Tektronix, Inc. STN displays having high contrast, with purple polarizer and residual birefringence causing greenish-gold or purplish-blue coloring
KR100309766B1 (ko) * 1994-01-24 2001-12-15 김순택 필름형보상셀을구비한액정디스플레이및그의제조방법
US6137560A (en) * 1995-10-23 2000-10-24 Hitachi, Ltd. Active matrix type liquid crystal display apparatus with light source color compensation
JP3292809B2 (ja) * 1996-09-25 2002-06-17 松下電器産業株式会社 カラー液晶表示素子
JP3339334B2 (ja) * 1996-12-05 2002-10-28 松下電器産業株式会社 反射型液晶表示素子
DE69801480T2 (de) * 1997-12-25 2002-04-25 Fuji Photo Film Co Ltd Optische Kompensationsschicht und Flüssigkristallanzeige mit dieser Schicht
RU2178900C2 (ru) * 2000-02-25 2002-01-27 ОПТИВА, Инк. Дихроичный поляризатор и материал для его изготовления
US6833894B2 (en) * 2001-01-11 2004-12-21 Hana Microdisplay Technologies, Inc Enhanced contrast ratio for twisted nematic liquid crystal devices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2028527B (en) * 1978-06-08 1982-11-24 American Liquid Xtal Chem Liquid crystal displays
GB2171549B (en) * 1985-02-15 1988-05-18 Citizen Watch Co Ltd Liquid crystal display device
EP1156362A1 (fr) * 1986-05-19 2001-11-21 Seiko Epson Corporation Dispositif d'affichage à cristal liquide
JPH0797189B2 (ja) * 1987-10-07 1995-10-18 シャープ株式会社 液晶表示装置
JPH07117664B2 (ja) * 1987-12-03 1995-12-18 シャープ株式会社 液晶表示装置
WO1989007282A1 (fr) * 1988-01-28 1989-08-10 Sanyo Electric Co., Ltd. Affichage a cristaux liquides
US4984874A (en) * 1988-07-08 1991-01-15 Kabushiki Kaisha Toshiba Liquid crystal display device having retardation films

Also Published As

Publication number Publication date
DE69014334T2 (de) 1995-06-01
EP0382460B1 (fr) 1994-11-30
EP0382460A3 (fr) 1991-11-06
DE69014334D1 (de) 1995-01-12
CA2009319C (fr) 1994-11-01
US5089906A (en) 1992-02-18
EP0382460A2 (fr) 1990-08-16

Similar Documents

Publication Publication Date Title
CA2009319A1 (fr) Dispositif d'affichage a cristaux liquides
EP0482620A3 (en) Birefringent film, process for producing the same, retardation film, elliptically polarizing plate, and liquid crystal display
EP0376243A3 (fr) Dispositif d'affichage à cristal liquide ferro-électrique
EP0820495B1 (fr) Retardeur composé à base de cristaux liquides étant achromatique et commutable
CA2224847A1 (fr) Affichage a cristaux liquides nematiques normalement blanc a retardateurs positifs uniaxiaux et negatifs biaxiaux
EP0478779A4 (en) Liquid crystal display device and phase difference plates
EP0350075A3 (fr) Dispositif d'affichage à cristal liquide
CA2148156A1 (fr) Afficheur a cristaux liquides comportant une paire de films de retardement sur l'une des faces d'une couche de cristaux liquides
CA2137047A1 (fr) Afficheur a cristaux liquides nematiques en helice normalement blancs portant un film retardateur sur chaque face pour accroitre l'angle de visibilite
CA2038869A1 (fr) Dispositif de modulation optique et appareil d'affichage
EP0350063A3 (fr) Dispositif d'affichage à cristal liquide
EP0351967A3 (fr) Dispositif optique de superposition pour un collimateur
CA2188603A1 (fr) Afficheur a cristaux liquides nematiques en helice normalement blancs a retardateurs positifs et negatifs
EP0377757A4 (en) Reflection-type liquid crystal electro-optical device and projection-type display device using the same
WO1998052093A1 (fr) Panneau de mise en phase stratifie et afficheur a cristaux liquides comprenant ledit panneau
EP0351200A3 (fr) Dispositif d'affichage à cristaux liquides
EP0573005A3 (en) Birefringent film and liquid crystal display having the same
EP0372973A3 (fr) Dispositif d'affichage à cristal liquide avec des caractéristiques d'angle de vision modifiées
EP0936492A4 (fr) Afficheur a cristaux liquides
EP0699938A2 (fr) Dispositif d'affichage à cristal liquide
EP0942313A4 (fr) Element d'affichage et montre electronique
EP1447688A4 (fr) Plaque de polarisation circulaire et dispositif d'affichage a cristaux liquides
KR20010031156A (ko) 광각의 광학적 지연제
EP0365778A3 (fr) Dispositif d'affichage multicolore à cristal liquide
EP0367616A3 (fr) Elément optique à cristaux liquides

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry