DE69126264T2 - Optisches Modulationselement - Google Patents

Optisches Modulationselement

Info

Publication number
DE69126264T2
DE69126264T2 DE69126264T DE69126264T DE69126264T2 DE 69126264 T2 DE69126264 T2 DE 69126264T2 DE 69126264 T DE69126264 T DE 69126264T DE 69126264 T DE69126264 T DE 69126264T DE 69126264 T2 DE69126264 T2 DE 69126264T2
Authority
DE
Germany
Prior art keywords
polarizer
analyzer
modulator
liquid crystal
modulation element
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.)
Expired - Fee Related
Application number
DE69126264T
Other languages
English (en)
Other versions
DE69126264D1 (de
Inventor
Shuzo Kaneko
Hideaki Mitsutake
Junko Shingaki
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP2241163A external-priority patent/JP2767158B2/ja
Priority claimed from JP31424490A external-priority patent/JPH04186230A/ja
Priority claimed from JP31424390A external-priority patent/JPH04186228A/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69126264D1 publication Critical patent/DE69126264D1/de
Publication of DE69126264T2 publication Critical patent/DE69126264T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the 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
    • G02F1/133—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
    • G02F1/133528—Polarisers
    • 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
    • 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
    • G02F1/141—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 using ferroelectric liquid crystals
    • 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
    • G02F1/133528—Polarisers
    • G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
DE69126264T 1990-09-13 1991-09-12 Optisches Modulationselement Expired - Fee Related DE69126264T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2241163A JP2767158B2 (ja) 1990-09-13 1990-09-13 液晶素子
JP31424490A JPH04186230A (ja) 1990-11-21 1990-11-21 光学変調素子
JP31424390A JPH04186228A (ja) 1990-11-21 1990-11-21 光学変調素子

Publications (2)

Publication Number Publication Date
DE69126264D1 DE69126264D1 (de) 1997-07-03
DE69126264T2 true DE69126264T2 (de) 1997-11-20

Family

ID=27332912

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126264T Expired - Fee Related DE69126264T2 (de) 1990-09-13 1991-09-12 Optisches Modulationselement

Country Status (5)

Country Link
US (1) US5615025A (de)
EP (1) EP0475401B1 (de)
AT (1) ATE153779T1 (de)
CA (1) CA2051191C (de)
DE (1) DE69126264T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0601210B1 (de) * 1992-06-30 2002-03-27 Citizen Watch Co. Ltd. Flüssigkristall-anzeigeeinheit und flüssigkristallprojektor, der diese benutzt
US6380997B1 (en) * 1995-04-07 2002-04-30 Colorlink, Inc. Achromatic polarization inverters for displaying inverse frames in DC balanced liquid crystal displays
US6313893B1 (en) * 1996-12-27 2001-11-06 Duke University Compensation for DC balancing of liquid crystal displays
US6016173A (en) * 1998-02-18 2000-01-18 Displaytech, Inc. Optics arrangement including a compensator cell and static wave plate for use in a continuously viewable, reflection mode, ferroelectric liquid crystal spatial light modulating system
DE19852890A1 (de) * 1998-11-17 2000-05-18 Deutsche Telekom Ag Elektrooptischer Lichtmodulator
WO2000036462A1 (en) * 1998-12-18 2000-06-22 Colorlink, Inc. Achromatic compound retarder
JP2005227708A (ja) * 2004-02-16 2005-08-25 Toshiba Matsushita Display Technology Co Ltd 液晶表示素子

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662721A (en) * 1984-07-10 1987-05-05 Seiko Instruments & Electronics Ltd. Ferro-electric liquid crystal electro-optical device
FR2578994B1 (fr) * 1985-03-13 1987-09-04 Commissariat Energie Atomique Dispositif d'affichage a cristal liquide ferroelectrique
JP2530432B2 (ja) * 1986-07-22 1996-09-04 キヤノン株式会社 液晶素子
JPH06103370B2 (ja) * 1987-05-29 1994-12-14 シャープ株式会社 液晶表示装置
JPS6440816A (en) * 1987-08-05 1989-02-13 Fujitsu Ltd Liquid crystal display panel
JPH0229630A (ja) * 1988-07-19 1990-01-31 Ricoh Co Ltd 液晶素子
JPH07104506B2 (ja) * 1989-03-14 1995-11-13 スタンレー電気株式会社 強誘電性液晶パネル

Also Published As

Publication number Publication date
ATE153779T1 (de) 1997-06-15
CA2051191C (en) 1996-07-09
EP0475401A2 (de) 1992-03-18
EP0475401B1 (de) 1997-05-28
EP0475401A3 (en) 1992-09-16
US5615025A (en) 1997-03-25
CA2051191A1 (en) 1992-03-14
DE69126264D1 (de) 1997-07-03

Similar Documents

Publication Publication Date Title
DE69417304T2 (de) Optischer Aufbau mit hocheffizientem chiral nematischem Flüssigkristallpolarisator
US4824216A (en) Device for the modulation of the illuminating light of an electro-optic display screen
DE3684784D1 (de) Vorrichtung fuer submikrosekunden-elektrooptische modulation in der smektischen a-fluessigkristallphase.
DE69106904D1 (de) Polymerisierbare nematische monomere Zusammensetzungen.
ES2129463T3 (es) Dispositivo y material cristalinos y liquidos de modulacion de luz.
KR960703473A (ko) 직접 조망 표시장치
JPS5521479A (en) Liquid crystal polymer phase having cholesteric structure and its manufacture
KR950003845A (ko) 전기-광학 도파관, 위상변조기 및 이들을 제조하는 방법
DE69420175D1 (de) Flüssigkristall-Vorrichtung
DE68919249D1 (de) Optisch geschaltete ferroelektrische Flüssigkeitskristallichtabsperrvorrichtung.
ATE99428T1 (de) Optische fluessigkristallvorrichtungen.
KR950019786A (ko) 통신용 광섬유
ES2092864T3 (es) Dispositivo de presentacion de cristales liquidos que comprende una red de puntos de imagenes.
DE69126264D1 (de) Optisches Modulationselement
EP0367616A3 (de) Optisches Flüssigkristall-Element
KR930013829A (ko) 광학적 편광 분리기 및 그것을 이용하는 디스플레이 시스템
ATE149698T1 (de) Optische modulationsvorrichtung
ATE148802T1 (de) Anzeigegerät
ATE204896T1 (de) Polymer-dispergiertes, ferroelektrisches, smectisches flüssigkristall
JPS6440816A (en) Liquid crystal display panel
DE69315515T2 (de) Flüssigkristall-Vorrichtung
RU97100956A (ru) Линейный поляризатор на нематическом жидком кристалле
GB2217035A (en) Analogue modulation of light
RU93027615A (ru) Противоослепляющее устройство
JPS6479723A (en) Optical modulating device

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee