DE69323570D1 - Lichtventil mit verdrillten Flüssigkristall mit senkrechter Ausrichtung - Google Patents

Lichtventil mit verdrillten Flüssigkristall mit senkrechter Ausrichtung

Info

Publication number
DE69323570D1
DE69323570D1 DE69323570T DE69323570T DE69323570D1 DE 69323570 D1 DE69323570 D1 DE 69323570D1 DE 69323570 T DE69323570 T DE 69323570T DE 69323570 T DE69323570 T DE 69323570T DE 69323570 D1 DE69323570 D1 DE 69323570D1
Authority
DE
Germany
Prior art keywords
liquid crystal
light valve
vertical orientation
crystal light
twisted liquid
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 - Lifetime
Application number
DE69323570T
Other languages
English (en)
Other versions
DE69323570T2 (de
Inventor
Kolste Robert D Te
Rodney D Sterling
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.)
Victor Company of Japan Ltd
Original Assignee
Hughes JVC Technology Corp
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
Application filed by Hughes JVC Technology Corp filed Critical Hughes JVC Technology Corp
Publication of DE69323570D1 publication Critical patent/DE69323570D1/de
Application granted granted Critical
Publication of DE69323570T2 publication Critical patent/DE69323570T2/de
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
    • G02F1/137—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
    • G02F1/133—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
    • G02F1/133734—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by obliquely evaporated films, e.g. Si or SiO2 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
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • 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
    • G02F1/133742—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homeotropic alignment

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Liquid Crystal (AREA)
DE69323570T 1992-04-06 1993-03-23 Lichtventil mit verdrillten Flüssigkristall mit senkrechter Ausrichtung Expired - Lifetime DE69323570T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/863,659 US5384650A (en) 1992-04-06 1992-04-06 Light valve with twisted perpendicular liquid crystal with a negative dielectric anisotropy

Publications (2)

Publication Number Publication Date
DE69323570D1 true DE69323570D1 (de) 1999-04-01
DE69323570T2 DE69323570T2 (de) 1999-09-23

Family

ID=25341520

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69323570T Expired - Lifetime DE69323570T2 (de) 1992-04-06 1993-03-23 Lichtventil mit verdrillten Flüssigkristall mit senkrechter Ausrichtung

Country Status (4)

Country Link
US (1) US5384650A (de)
EP (1) EP0564890B1 (de)
JP (1) JP3336667B2 (de)
DE (1) DE69323570T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3855373T2 (de) * 1987-07-30 1997-01-02 Canon Kk Mit einer Heftvorrichtung versehenes Blattsortiergerät
US5477358A (en) * 1993-06-21 1995-12-19 Case Western Reserve University Chiral nematic liquid crystal display with homeotropic alignment and negative dielectric anisotropy
GB9402513D0 (en) * 1994-02-09 1994-03-30 Secr Defence Bistable nematic liquid crystal device
GB9521106D0 (en) * 1995-10-16 1995-12-20 Secr Defence Bistable nematic liquid crystal device
US5797050A (en) * 1997-02-18 1998-08-18 Smith; James Lynn Selective glare reduction ocular for scenery with very bright objects
JP3406492B2 (ja) * 1997-05-26 2003-05-12 シャープ株式会社 液晶パネル
US6005692A (en) * 1997-05-29 1999-12-21 Stahl; Thomas D. Light-emitting diode constructions
US6061115A (en) * 1998-11-03 2000-05-09 International Business Machines Incorporation Method of producing a multi-domain alignment layer by bombarding ions of normal incidence
EP1028346A3 (de) * 1999-02-12 2002-05-02 Matsushita Electric Industrial Co., Ltd. Flüssigkristallelement und Verfahren zu dessen Herstellung
JP2000298277A (ja) * 1999-04-14 2000-10-24 Hitachi Ltd 液晶表示素子及びそれを用いた液晶表示装置
WO2005085944A1 (en) * 2004-02-26 2005-09-15 Koninklijke Philips Electronics N.V. Projection system having a full colour reflective liquid crystal display panel

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2403731A (en) * 1943-04-01 1946-07-09 Eastman Kodak Co Beam splitter
JPS538362Y2 (de) * 1972-10-02 1978-03-04
US3964158A (en) * 1973-08-07 1976-06-22 Janning John L Method of making a liquid crystal display cell
JPS5638924B2 (de) * 1973-12-20 1981-09-09
JPS542580B2 (de) * 1974-07-01 1979-02-09
US4127322A (en) * 1975-12-05 1978-11-28 Hughes Aircraft Company High brightness full color image light valve projection system
US4019807A (en) * 1976-03-08 1977-04-26 Hughes Aircraft Company Reflective liquid crystal light valve with hybrid field effect mode
FR2358676A1 (fr) * 1976-07-13 1978-02-10 Labo Electronique Physique Dispositif d'affichage d'information comportant une cellule de cristal liquide
CH636208A5 (de) * 1978-07-13 1983-05-13 Bbc Brown Boveri & Cie Fluessigkristallanzeige.
US4191456A (en) * 1979-03-08 1980-03-04 Hughes Aircraft Company Optical block for high brightness full color video projection system
JPS5683718A (en) * 1979-12-13 1981-07-08 Asahi Glass Co Ltd Liquid crystal display element
US4343535A (en) * 1979-12-14 1982-08-10 Hughes Aircraft Company Liquid crystal light valve
JPS5692518A (en) * 1979-12-26 1981-07-27 Sharp Corp Liquid crystal display device
JPS56130715A (en) * 1980-03-17 1981-10-13 Sharp Corp Multilayered liquid-crystal display device
US4505548A (en) * 1980-10-20 1985-03-19 At&T Bell Laboratories Bistable liquid crystal twist cell
US4650286A (en) * 1983-09-27 1987-03-17 Hughes Aircraft Company Liquid crystal light value color projector
JPS61210324A (ja) * 1985-03-15 1986-09-18 Hitachi Ltd 液晶表示素子
US4776674A (en) * 1986-06-25 1988-10-11 American Telephone And Telegraph Company, At&T Bell Laboratories Liquid crystal device with chemically-induced high-tilt alignment coating
US4917472A (en) * 1988-03-14 1990-04-17 Hughes Aircraft Company Light valves with positive dielectric anisotropy liquid crystal and highly tilted off-perpendicular surface alignment, and associated operating method
US4908702A (en) * 1988-04-29 1990-03-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Real-time image difference detection using a polarization rotation spacial light modulator
GB8901764D0 (en) * 1989-01-27 1989-03-15 Marconi Gec Ltd Spatial light modulator apparatus
JPH0812360B2 (ja) * 1989-12-21 1996-02-07 スタンレー電気株式会社 液晶表示装置およびその駆動方法
US5317429A (en) * 1990-11-28 1994-05-31 Fujitsu Limited Trilayer nematic liquid crystal optical switching device

Also Published As

Publication number Publication date
EP0564890A2 (de) 1993-10-13
EP0564890A3 (de) 1994-08-03
JP3336667B2 (ja) 2002-10-21
JPH0688969A (ja) 1994-03-29
EP0564890B1 (de) 1999-02-24
US5384650A (en) 1995-01-24
DE69323570T2 (de) 1999-09-23

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8327 Change in the person/name/address of the patent owner

Owner name: VICTOR COMPANY OF JAPAN, LTD., YOKOHAMA, KANAGAWA,

R082 Change of representative

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Country of ref document: EP

Representative=s name: WAGNER & GEYER PARTNERSCHAFT PATENT- UND RECHTSANW