BR7307361D0 - Processo de operacao para a apresentacao de imagens e dispositivo eletro-otico para a apresentacao de imagens - Google Patents

Processo de operacao para a apresentacao de imagens e dispositivo eletro-otico para a apresentacao de imagens

Info

Publication number
BR7307361D0
BR7307361D0 BR7361/73A BR736173A BR7307361D0 BR 7307361 D0 BR7307361 D0 BR 7307361D0 BR 7361/73 A BR7361/73 A BR 7361/73A BR 736173 A BR736173 A BR 736173A BR 7307361 D0 BR7307361 D0 BR 7307361D0
Authority
BR
Brazil
Prior art keywords
presentation
images
electro
optical device
operation process
Prior art date
Application number
BR7361/73A
Other languages
English (en)
Portuguese (pt)
Inventor
P Riali
P Maltese
C Ottaru
G Barzilai
Original Assignee
P Riali
P Maltese
C Ottaru
G Barzilai
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 P Riali, P Maltese, C Ottaru, G Barzilai filed Critical P Riali
Publication of BR7307361D0 publication Critical patent/BR7307361D0/pt

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02FOPTICAL 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
    • G02F1/00Devices 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
BR7361/73A 1972-09-22 1973-09-21 Processo de operacao para a apresentacao de imagens e dispositivo eletro-otico para a apresentacao de imagens BR7307361D0 (pt)

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
BR7307361D0 true BR7307361D0 (pt) 1974-08-29

Family

ID=11278489

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7361/73A BR7307361D0 (pt) 1972-09-22 1973-09-21 Processo de operacao para a apresentacao de imagens e dispositivo eletro-otico para a apresentacao de imagens

Country Status (14)

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

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 (en:Method) * 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 (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
AR206687A1 (es) 1976-08-13
DE2346732A1 (de) 1974-04-04
JPS4971952A (en:Method) 1974-07-11
ES418985A1 (es) 1976-03-01
IL43290A (en) 1976-12-31
FR2201005A5 (en:Method) 1974-04-19
BE805180A (fr) 1974-01-16
CH577181A5 (en:Method) 1976-06-30
NL7313049A (en:Method) 1974-03-26
IL43290A0 (en) 1973-11-28
AU6048773A (en) 1975-03-20
IT965475B (it) 1974-01-31
GB1451076A (en) 1976-09-29
CA1003528A (en) 1977-01-11

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