IT1053361B - Valvola di luce a cristallo liquido per presentazione visiva - Google Patents

Valvola di luce a cristallo liquido per presentazione visiva

Info

Publication number
IT1053361B
IT1053361B IT47524/76A IT4752476A IT1053361B IT 1053361 B IT1053361 B IT 1053361B IT 47524/76 A IT47524/76 A IT 47524/76A IT 4752476 A IT4752476 A IT 4752476A IT 1053361 B IT1053361 B IT 1053361B
Authority
IT
Italy
Prior art keywords
liquid crystal
light valve
crystal light
visual presentation
presentation
Prior art date
Application number
IT47524/76A
Other languages
English (en)
Original Assignee
Hughes Aircraft Co
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 Aircraft Co filed Critical Hughes Aircraft Co
Application granted granted Critical
Publication of IT1053361B publication Critical patent/IT1053361B/it

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
    • G02F1/135—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

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
IT47524/76A 1975-01-06 1976-01-05 Valvola di luce a cristallo liquido per presentazione visiva IT1053361B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53838175A 1975-01-06 1975-01-06

Publications (1)

Publication Number Publication Date
IT1053361B true IT1053361B (it) 1981-08-31

Family

ID=24146696

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47524/76A IT1053361B (it) 1975-01-06 1976-01-05 Valvola di luce a cristallo liquido per presentazione visiva

Country Status (7)

Country Link
JP (1) JPS5193195A (it)
DE (1) DE2559254A1 (it)
FR (1) FR2296902A1 (it)
IL (1) IL48536A0 (it)
IT (1) IT1053361B (it)
NL (1) NL7600100A (it)
SE (1) SE7600017L (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404271A1 (fr) * 1977-09-23 1979-04-20 Thomson Csf Dispositif de visualisation comportant une couche mince de cristal liquide accolee a une lame photoconductrice
JPS6240430A (ja) * 1985-08-19 1987-02-21 Seiko Epson Corp 液晶ライトバルブ
CN1010806B (zh) * 1986-11-25 1990-12-12 北美菲利浦消费电子仪器公司 改进了对比度的显示投影系统
FR2610735A1 (fr) * 1987-02-06 1988-08-12 Thomson Csf Compensateur de dynamique optique autoadaptatif et son utilisation dans une chaine optique d'imagerie radiologique
JPH07104524B2 (ja) * 1990-03-27 1995-11-13 日本ビクター株式会社 空間光変調素子
US5477359A (en) * 1993-01-21 1995-12-19 Sharp Kabushiki Kaisha Liquid crystal projector having a vertical orientating polyimide film

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5347702B2 (it) * 1972-06-29 1978-12-22

Also Published As

Publication number Publication date
FR2296902A1 (fr) 1976-07-30
DE2559254A1 (de) 1976-07-08
NL7600100A (nl) 1976-07-08
SE7600017L (sv) 1976-07-07
JPS5193195A (it) 1976-08-16
IL48536A0 (en) 1976-01-30

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