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

Dispositivo electro-optico a cristal liquido

Info

Publication number
AR206687A1
AR206687A1 AR25020373A AR25020373A AR206687A1 AR 206687 A1 AR206687 A1 AR 206687A1 AR 25020373 A AR25020373 A AR 25020373A AR 25020373 A AR25020373 A AR 25020373A AR 206687 A1 AR206687 A1 AR 206687A1
Authority
AR
Argentina
Prior art keywords
electro
optical
liquid crystal
crystal
liquid
Prior art date
Application number
AR25020373A
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
Priority to IT5291672A priority Critical patent/IT965475B/it
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

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/137Devices 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
    • G02F1/139Devices 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
    • G02F1/1393Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306Circuit arrangements or driving methods for the control of single liquid crystal cells
AR25020373A 1972-09-22 1973-01-01 Dispositivo electro-optico a cristal liquido AR206687A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT5291672A 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
AR25020373A 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
FR2292253B1 (es) * 1974-11-21 1978-07-21 Thomson Csf
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
EP0045104B1 (de) * 1980-07-28 1985-04-10 BBC Aktiengesellschaft Brown, Boveri & Cie. Homöotrop nematisches Display mit internem Reflektor
CH661361A5 (en) * 1983-12-16 1987-07-15 Bbc Brown Boveri & Cie Multiplexable liquid-crystal display
JPS62203126A (en) * 1986-03-04 1987-09-07 Matsushita Electric Ind Co Ltd Display device
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
ES418985A1 (es) 1976-03-01
AU6048773A (en) 1975-03-20
JPS4971952A (es) 1974-07-11
IT965475B (it) 1974-01-31
IL43290D0 (en) 1973-11-28
CH577181A5 (es) 1976-06-30
DE2346732A1 (de) 1974-04-04
NL7313049A (es) 1974-03-26
BE805180A (fr) 1974-01-16
CA1003528A (en) 1977-01-11
FR2201005A5 (es) 1974-04-19
BR7307361D0 (pt) 1974-08-29
GB1451076A (en) 1976-09-29
IL43290A (en) 1976-12-31

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