AR206687A1 - Dispositivo electro-optico a cristal liquido - Google Patents

Dispositivo electro-optico a cristal liquido

Info

Publication number
AR206687A1
AR206687A1 AR250203A AR25020373A AR206687A1 AR 206687 A1 AR206687 A1 AR 206687A1 AR 250203 A AR250203 A AR 250203A AR 25020373 A AR25020373 A AR 25020373A AR 206687 A1 AR206687 A1 AR 206687A1
Authority
AR
Argentina
Prior art keywords
electro
liquid crystal
optical device
optical
crystal
Prior art date
Application number
AR250203A
Other languages
English (en)
Original Assignee
Barzilai G
Reali P
Ottavi C
Maltese P
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 Barzilai G, Reali P, Ottavi C, Maltese P filed Critical Barzilai G
Application granted granted Critical
Publication of AR206687A1 publication Critical patent/AR206687A1/es

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
    • G02F1/1393—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 birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
AR250203A 1972-09-22 1973-01-01 Dispositivo electro-optico a cristal liquido AR206687A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT52916/72A IT965475B (it) 1972-09-22 1972-09-22 Perfezionamento negli schermi per la presentazione di immagini del tipo a cristalli liquidi adatti in particolare per immagini televisive e o dati alfanumerici

Publications (1)

Publication Number Publication Date
AR206687A1 true AR206687A1 (es) 1976-08-13

Family

ID=11278489

Family Applications (1)

Application Number Title Priority Date Filing Date
AR250203A AR206687A1 (es) 1972-09-22 1973-01-01 Dispositivo electro-optico a cristal liquido

Country Status (14)

Country Link
JP (1) JPS4971952A (es)
AR (1) AR206687A1 (es)
AU (1) AU6048773A (es)
BE (1) BE805180A (es)
BR (1) BR7307361D0 (es)
CA (1) CA1003528A (es)
CH (1) CH577181A5 (es)
DE (1) DE2346732A1 (es)
ES (1) ES418985A1 (es)
FR (1) FR2201005A5 (es)
GB (1) GB1451076A (es)
IL (1) IL43290A (es)
IT (1) IT965475B (es)
NL (1) NL7313049A (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2292253A1 (fr) * 1974-11-21 1976-06-18 Thomson Csf Procede et dispositif utilisant un effet thermo-optique dans un cristal liquide pour la reproduction d'images en temps reel et sans memoire
JPS5164899A (ja) * 1974-12-03 1976-06-04 Nippon Electric Co Ekishohyojisochi
US4006968A (en) * 1975-05-02 1977-02-08 Hughes Aircraft Company Liquid crystal dot color display
FR2389955B1 (es) * 1977-05-05 1981-12-04 Thomson Csf
DE3169810D1 (en) * 1980-07-28 1985-05-15 Bbc Brown Boveri & Cie Homeotropic nematic display with an internal reflector
CH661361A5 (en) * 1983-12-16 1987-07-15 Bbc Brown Boveri & Cie Multiplexable liquid-crystal display
JPS62203126A (ja) * 1986-03-04 1987-09-07 Matsushita Electric Ind Co Ltd 表示装置
JP2586195B2 (ja) * 1990-08-30 1997-02-26 セイコーエプソン株式会社 液晶表示装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3655269A (en) * 1971-01-25 1972-04-11 Rca Corp Liquid crystal display assembly having independent contrast and speed of response controls

Also Published As

Publication number Publication date
IL43290A (en) 1976-12-31
AU6048773A (en) 1975-03-20
GB1451076A (en) 1976-09-29
ES418985A1 (es) 1976-03-01
CA1003528A (en) 1977-01-11
JPS4971952A (es) 1974-07-11
DE2346732A1 (de) 1974-04-04
CH577181A5 (es) 1976-06-30
BR7307361D0 (pt) 1974-08-29
BE805180A (fr) 1974-01-16
NL7313049A (es) 1974-03-26
FR2201005A5 (es) 1974-04-19
IT965475B (it) 1974-01-31
IL43290A0 (en) 1973-11-28

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