DE2346732A1 - Verfahren und vorrichtung zum wiedergeben von bildern mit elektrooptischen fluessigkristall-einrichtungen - Google Patents

Verfahren und vorrichtung zum wiedergeben von bildern mit elektrooptischen fluessigkristall-einrichtungen

Info

Publication number
DE2346732A1
DE2346732A1 DE19732346732 DE2346732A DE2346732A1 DE 2346732 A1 DE2346732 A1 DE 2346732A1 DE 19732346732 DE19732346732 DE 19732346732 DE 2346732 A DE2346732 A DE 2346732A DE 2346732 A1 DE2346732 A1 DE 2346732A1
Authority
DE
Germany
Prior art keywords
liquid crystal
thickness
excitation
duration
cell
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.)
Withdrawn
Application number
DE19732346732
Other languages
German (de)
English (en)
Inventor
Giorgio Barzilai
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.)
BARZILAI
Original Assignee
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 BARZILAI filed Critical BARZILAI
Publication of DE2346732A1 publication Critical patent/DE2346732A1/de
Withdrawn legal-status Critical Current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
    • G02F1/137—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
DE19732346732 1972-09-22 1973-09-17 Verfahren und vorrichtung zum wiedergeben von bildern mit elektrooptischen fluessigkristall-einrichtungen Withdrawn DE2346732A1 (de)

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
DE2346732A1 true DE2346732A1 (de) 1974-04-04

Family

ID=11278489

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732346732 Withdrawn DE2346732A1 (de) 1972-09-22 1973-09-17 Verfahren und vorrichtung zum wiedergeben von bildern mit elektrooptischen fluessigkristall-einrichtungen

Country Status (14)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2552338A1 (de) * 1974-11-21 1976-05-26 Thomson Csf Verfahren und vorrichtung zur bildwiedergabe
DE2819538A1 (de) * 1977-05-05 1978-11-09 Thomson Csf Bildwiedergabevorrichtung
EP0045104A2 (de) * 1980-07-28 1982-02-03 BBC Aktiengesellschaft Brown, Boveri & Cie. Homöotrop nematisches Display mit internem Reflektor

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Citations (2)

* 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
DE1764966A1 (de) * 1967-09-14 1972-08-31 Rca Corp Verfahren und Schaltungsanordnung zum raschen Einstellen des Streuvermoegens einer eine nematische Fluessigkeit enthaltenden Zelle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1764966A1 (de) * 1967-09-14 1972-08-31 Rca Corp Verfahren und Schaltungsanordnung zum raschen Einstellen des Streuvermoegens einer eine nematische Fluessigkeit enthaltenden Zelle
US3655269A (en) * 1971-01-25 1972-04-11 Rca Corp Liquid crystal display assembly having independent contrast and speed of response controls

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Appl. Phys. Lett. 19 (1971), SS.391-393 *
Appl. Phys. Lett. 20, 1972, SS.199-201 *
Techn. Mitt. AEG-Telefunken GZ (1972) 3, SS.113-119 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2552338A1 (de) * 1974-11-21 1976-05-26 Thomson Csf Verfahren und vorrichtung zur bildwiedergabe
DE2819538A1 (de) * 1977-05-05 1978-11-09 Thomson Csf Bildwiedergabevorrichtung
EP0045104A2 (de) * 1980-07-28 1982-02-03 BBC Aktiengesellschaft Brown, Boveri & Cie. Homöotrop nematisches Display mit internem Reflektor
EP0045104A3 (en) * 1980-07-28 1982-02-10 Bbc Aktiengesellschaft Brown, Boveri & Cie. Homeotropic nematic display with an internal reflector

Also Published As

Publication number Publication date
IL43290A (en) 1976-12-31
CH577181A5 (xx) 1976-06-30
AR206687A1 (es) 1976-08-13
IL43290A0 (en) 1973-11-28
BR7307361D0 (pt) 1974-08-29
GB1451076A (en) 1976-09-29
CA1003528A (en) 1977-01-11
BE805180A (fr) 1974-01-16
NL7313049A (xx) 1974-03-26
IT965475B (it) 1974-01-31
ES418985A1 (es) 1976-03-01
FR2201005A5 (xx) 1974-04-19
JPS4971952A (xx) 1974-07-11
AU6048773A (en) 1975-03-20

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Legal Events

Date Code Title Description
8136 Disposal/non-payment of the fee for publication/grant