IT965475B - IMPROVEMENT IN THE SCREENS FOR THE PRESENTATION OF IMAGES OF THE LIQUID CRYSTAL TYPE SUITABLE IN PARTICULAR FOR TELEVISION IMAGES AND ALPHANUMERIC DATA - Google Patents

IMPROVEMENT IN THE SCREENS FOR THE PRESENTATION OF IMAGES OF THE LIQUID CRYSTAL TYPE SUITABLE IN PARTICULAR FOR TELEVISION IMAGES AND ALPHANUMERIC DATA

Info

Publication number
IT965475B
IT965475B IT52916/72A IT5291672A IT965475B IT 965475 B IT965475 B IT 965475B IT 52916/72 A IT52916/72 A IT 52916/72A IT 5291672 A IT5291672 A IT 5291672A IT 965475 B IT965475 B IT 965475B
Authority
IT
Italy
Prior art keywords
images
screens
presentation
improvement
liquid crystal
Prior art date
Application number
IT52916/72A
Other languages
Italian (it)
Original Assignee
Maltese P
Reali P
Barzilai G
Ottavi C
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 Maltese P, Reali P, Barzilai G, Ottavi C filed Critical Maltese P
Priority to IT52916/72A priority Critical patent/IT965475B/en
Priority to AR250203A priority patent/AR206687A1/en
Priority to DE19732346732 priority patent/DE2346732A1/en
Priority to GB4383573A priority patent/GB1451076A/en
Priority to CA181,504A priority patent/CA1003528A/en
Priority to CH1353973A priority patent/CH577181A5/xx
Priority to AU60487/73A priority patent/AU6048773A/en
Priority to FR7334036A priority patent/FR2201005A5/fr
Priority to ES418985A priority patent/ES418985A1/en
Priority to IL43290A priority patent/IL43290A/en
Priority to BE135928A priority patent/BE805180A/en
Priority to BR7361/73A priority patent/BR7307361D0/en
Priority to NL7313049A priority patent/NL7313049A/xx
Priority to JP48107406A priority patent/JPS4971952A/ja
Application granted granted Critical
Publication of IT965475B publication Critical patent/IT965475B/en
Priority to US05/636,567 priority patent/US4126382A/en

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)
IT52916/72A 1972-09-22 1972-09-22 IMPROVEMENT IN THE SCREENS FOR THE PRESENTATION OF IMAGES OF THE LIQUID CRYSTAL TYPE SUITABLE IN PARTICULAR FOR TELEVISION IMAGES AND ALPHANUMERIC DATA IT965475B (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
IT52916/72A IT965475B (en) 1972-09-22 1972-09-22 IMPROVEMENT IN THE SCREENS FOR THE PRESENTATION OF IMAGES OF THE LIQUID CRYSTAL TYPE SUITABLE IN PARTICULAR FOR TELEVISION IMAGES AND ALPHANUMERIC DATA
AR250203A AR206687A1 (en) 1972-09-22 1973-01-01 ELECTRO-OPTICAL DEVICE WITH LIQUID CRYSTAL
DE19732346732 DE2346732A1 (en) 1972-09-22 1973-09-17 METHOD AND DEVICE FOR REPLAYING IMAGES WITH ELECTRO-OPTIC LIQUID CRYSTAL DEVICES
GB4383573A GB1451076A (en) 1972-09-22 1973-09-18 Operational method for displaying images with liquid crystal electro optical devices and apparatus therefor
CH1353973A CH577181A5 (en) 1972-09-22 1973-09-20
AU60487/73A AU6048773A (en) 1972-09-22 1973-09-20 Operational method for displaying images with liquid-crystal electro optical devices
CA181,504A CA1003528A (en) 1972-09-22 1973-09-20 Liquid-crystal electro-optical display device and method
FR7334036A FR2201005A5 (en) 1972-09-22 1973-09-21
ES418985A ES418985A1 (en) 1972-09-22 1973-09-21 Operational method for displaying images with liquid crystal electro optical devices and apparatus therefor
IL43290A IL43290A (en) 1972-09-22 1973-09-21 Operational method for the display of images with an electro-optical device and electro-optical device for performing said method
BE135928A BE805180A (en) 1972-09-22 1973-09-21 METHOD AND DEVICE FOR PRESENTATION OF IMAGES BY MEANS OF ELECTRO-OPTICAL LIQUID CRYSTAL DEVICES
BR7361/73A BR7307361D0 (en) 1972-09-22 1973-09-21 OPERATION PROCESS FOR THE PRESENTATION OF IMAGES AND ELECTRO-OPTICAL DEVICE FOR THE PRESENTATION OF IMAGES
NL7313049A NL7313049A (en) 1972-09-22 1973-09-21
JP48107406A JPS4971952A (en) 1972-09-22 1973-09-22
US05/636,567 US4126382A (en) 1972-09-22 1975-12-01 Operational method for displaying images with liquid-crystal electro-optical devices, and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT52916/72A IT965475B (en) 1972-09-22 1972-09-22 IMPROVEMENT IN THE SCREENS FOR THE PRESENTATION OF IMAGES OF THE LIQUID CRYSTAL TYPE SUITABLE IN PARTICULAR FOR TELEVISION IMAGES AND ALPHANUMERIC DATA

Publications (1)

Publication Number Publication Date
IT965475B true IT965475B (en) 1974-01-31

Family

ID=11278489

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52916/72A IT965475B (en) 1972-09-22 1972-09-22 IMPROVEMENT IN THE SCREENS FOR THE PRESENTATION OF IMAGES OF THE LIQUID CRYSTAL TYPE SUITABLE IN PARTICULAR FOR TELEVISION IMAGES AND ALPHANUMERIC DATA

Country Status (14)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2292253A1 (en) * 1974-11-21 1976-06-18 Thomson Csf METHOD AND DEVICE USING A THERMO-OPTICAL EFFECT IN A LIQUID CRYSTAL FOR THE REPRODUCTION OF IMAGES IN REAL TIME AND WITHOUT MEMORY
JPS5164899A (en) * 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) * 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 (en) * 1986-03-04 1987-09-07 Matsushita Electric Ind Co Ltd Display device
JP2586195B2 (en) * 1990-08-30 1997-02-26 セイコーエプソン株式会社 Liquid crystal display

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
GB1451076A (en) 1976-09-29
JPS4971952A (en) 1974-07-11
IL43290A (en) 1976-12-31
ES418985A1 (en) 1976-03-01
AU6048773A (en) 1975-03-20
NL7313049A (en) 1974-03-26
CA1003528A (en) 1977-01-11
FR2201005A5 (en) 1974-04-19
BE805180A (en) 1974-01-16
AR206687A1 (en) 1976-08-13
DE2346732A1 (en) 1974-04-04
CH577181A5 (en) 1976-06-30
BR7307361D0 (en) 1974-08-29
IL43290A0 (en) 1973-11-28

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