FR2395524A1 - Valve de lumiere a cristaux liquides fonctionnant en courant alternatif - Google Patents

Valve de lumiere a cristaux liquides fonctionnant en courant alternatif

Info

Publication number
FR2395524A1
FR2395524A1 FR7817796A FR7817796A FR2395524A1 FR 2395524 A1 FR2395524 A1 FR 2395524A1 FR 7817796 A FR7817796 A FR 7817796A FR 7817796 A FR7817796 A FR 7817796A FR 2395524 A1 FR2395524 A1 FR 2395524A1
Authority
FR
France
Prior art keywords
liquid crystal
light valve
crystal light
current liquid
alternative current
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
FR7817796A
Other languages
English (en)
French (fr)
Other versions
FR2395524B1 (enrdf_load_stackoverflow
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 FR2395524A1 publication Critical patent/FR2395524A1/fr
Application granted granted Critical
Publication of FR2395524B1 publication Critical patent/FR2395524B1/fr
Granted 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Light Receiving Elements (AREA)
FR7817796A 1977-06-20 1978-06-14 Valve de lumiere a cristaux liquides fonctionnant en courant alternatif Granted FR2395524A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80822477A 1977-06-20 1977-06-20
US83485677A 1977-09-19 1977-09-19

Publications (2)

Publication Number Publication Date
FR2395524A1 true FR2395524A1 (fr) 1979-01-19
FR2395524B1 FR2395524B1 (enrdf_load_stackoverflow) 1983-04-01

Family

ID=27123098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7817796A Granted FR2395524A1 (fr) 1977-06-20 1978-06-14 Valve de lumiere a cristaux liquides fonctionnant en courant alternatif

Country Status (4)

Country Link
JP (1) JPS5820415B2 (enrdf_load_stackoverflow)
DE (1) DE2826195C2 (enrdf_load_stackoverflow)
FR (1) FR2395524A1 (enrdf_load_stackoverflow)
GB (1) GB1604206A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152691B (en) * 1983-08-12 1986-11-12 Standard Telephones Cables Ltd Infra-red detector
JPS60144721A (ja) * 1984-01-06 1985-07-31 Canon Inc 画像形成装置
DE3434388A1 (de) * 1984-09-19 1986-06-26 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Verfahren zur erzeugung der ersten ableitung eines zweidimensionalen bildes und optisches bauelement zur durchfuehrung des verfahrens
GB8531307D0 (en) * 1985-12-19 1986-01-29 Turner J H T v screen
FR2599171B1 (fr) * 1986-05-20 1989-12-08 Thomson Csf Ecran de visualisation electrooptique et procede de realisation
JPH037210U (enrdf_load_stackoverflow) * 1989-06-08 1991-01-24
US5220445A (en) * 1990-01-26 1993-06-15 Victor Company Of Japan, Ltd. Optical image processor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032954A (en) * 1976-06-01 1977-06-28 Hughes Aircraft Company Silicon single crystal charge storage diode
US4093357A (en) * 1977-04-05 1978-06-06 Hughes Aircraft Company Cermet interface for electro-optical devices
FR2390012A1 (enrdf_load_stackoverflow) * 1977-05-02 1978-12-01 Hughes Aircraft Co

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS535512B1 (enrdf_load_stackoverflow) * 1969-09-22 1978-02-28
US3976361A (en) * 1974-11-18 1976-08-24 Hughes Aircraft Company Charge storage diode with graded defect density photocapacitive layer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032954A (en) * 1976-06-01 1977-06-28 Hughes Aircraft Company Silicon single crystal charge storage diode
US4093357A (en) * 1977-04-05 1978-06-06 Hughes Aircraft Company Cermet interface for electro-optical devices
FR2390012A1 (enrdf_load_stackoverflow) * 1977-05-02 1978-12-01 Hughes Aircraft Co

Also Published As

Publication number Publication date
GB1604206A (en) 1981-12-02
FR2395524B1 (enrdf_load_stackoverflow) 1983-04-01
DE2826195C2 (de) 1986-09-18
JPS5820415B2 (ja) 1983-04-22
JPS5417867A (en) 1979-02-09
DE2826195A1 (de) 1978-12-21

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse