FR2296902A1 - Dispositif d'affichage a valve de lumiere a effet de champ et a cristaux liquides - Google Patents

Dispositif d'affichage a valve de lumiere a effet de champ et a cristaux liquides

Info

Publication number
FR2296902A1
FR2296902A1 FR7539306A FR7539306A FR2296902A1 FR 2296902 A1 FR2296902 A1 FR 2296902A1 FR 7539306 A FR7539306 A FR 7539306A FR 7539306 A FR7539306 A FR 7539306A FR 2296902 A1 FR2296902 A1 FR 2296902A1
Authority
FR
France
Prior art keywords
liquid crystal
crystal layer
layer
insulating layers
light valve
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.)
Withdrawn
Application number
FR7539306A
Other languages
English (en)
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.)
Raytheon Co
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
Publication of FR2296902A1 publication Critical patent/FR2296902A1/fr
Withdrawn legal-status Critical Current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
    • G02F1/135—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)
FR7539306A 1975-01-06 1975-12-22 Dispositif d'affichage a valve de lumiere a effet de champ et a cristaux liquides Withdrawn FR2296902A1 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2296902A1 true FR2296902A1 (fr) 1976-07-30

Family

ID=24146696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7539306A Withdrawn FR2296902A1 (fr) 1975-01-06 1975-12-22 Dispositif d'affichage a valve de lumiere a effet de champ et a cristaux liquides

Country Status (7)

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

Cited By (2)

* 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
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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
GB2274922B (en) * 1993-01-21 1996-10-23 Sharp Kk Liquid crystal projector

Family Cites Families (1)

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

Cited By (2)

* 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
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

Also Published As

Publication number Publication date
NL7600100A (nl) 1976-07-08
SE7600017L (sv) 1976-07-07
DE2559254A1 (de) 1976-07-08
JPS5193195A (fr) 1976-08-16
IL48536A0 (en) 1976-01-30
IT1053361B (it) 1981-08-31

Similar Documents

Publication Publication Date Title
KR830005732A (ko) 전기신호 발생장치
KR900702614A (ko) Ptc회로 보호 소자의 어셈블리
SE7804630L (sv) Flerskiktsglas, serskilt skyddsglas i en svetsskerm
GB996084A (en) Improvements in and relating to optical devices
KR840000816A (ko) 2개의 어드레싱 모우드를 결합한 액정 표시 소자
ES309288A3 (es) Un dispositivo electrico de estado solido.
KR870008213A (ko) 전하 저장 구조를 구비한 액정장치
FR2296902A1 (fr) Dispositif d'affichage a valve de lumiere a effet de champ et a cristaux liquides
GB1501211A (en) Liquid crystal display screens
GB2090036B (en) Liquid crystal display device
JPS52122484A (en) Field effect type polisilicon resistance element
KR830006712A (ko) 말소특성이 개선된 전기 변색 표시 장치
GB1506256A (en) Temperature sensitive switch
JPS51128278A (en) Integrated circuit with resistance element
FR2325954A1 (fr) Dispositif de commande d'exposition
JPS5267674A (en) Electronic timepiece
GB1300570A (en) Method and apparatus for counting radiation damage tracks in sheet materials
ES433332A1 (es) Un dispositivo de cristal liquido.
JPS5643813A (en) Quartz oscillator
JPS52122140A (en) Liquid crystal display system
JPS57195216A (en) Electronic optical lens
JPS5727238A (en) Liquid crystal display cell
JPS5223359A (en) Electro optical cell
JPS6417024A (en) Active device
FR2254081A1 (en) Electro-optical indicating device - with two support layers, two electrode planes, liquid crystal layer, and dielectric layers

Legal Events

Date Code Title Description
ST Notification of lapse