IT1026786B - Dispositivo per eccitare uno schermo indicatore a cristallo liquido - Google Patents

Dispositivo per eccitare uno schermo indicatore a cristallo liquido

Info

Publication number
IT1026786B
IT1026786B IT3017874A IT3017874A IT1026786B IT 1026786 B IT1026786 B IT 1026786B IT 3017874 A IT3017874 A IT 3017874A IT 3017874 A IT3017874 A IT 3017874A IT 1026786 B IT1026786 B IT 1026786B
Authority
IT
Italy
Prior art keywords
exciting
liquid crystal
crystal indicator
indicator screen
screen
Prior art date
Application number
IT3017874A
Other languages
English (en)
Original Assignee
Siemens Ag
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 claimed from DE19732361421 external-priority patent/DE2361421C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1026786B publication Critical patent/IT1026786B/it

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
    • G02F1/13731—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 a field-induced phase transition
    • 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

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)
IT3017874A 1973-12-10 1974-12-05 Dispositivo per eccitare uno schermo indicatore a cristallo liquido IT1026786B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732361421 DE2361421C3 (de) 1973-12-10 Verfahren zur Ansteuerung eines Flüssigkristallanzeigeschirmes

Publications (1)

Publication Number Publication Date
IT1026786B true IT1026786B (it) 1978-10-20

Family

ID=5900364

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3017874A IT1026786B (it) 1973-12-10 1974-12-05 Dispositivo per eccitare uno schermo indicatore a cristallo liquido

Country Status (3)

Country Link
FR (1) FR2254082B1 (it)
GB (1) GB1490706A (it)
IT (1) IT1026786B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8001556A (nl) * 1980-03-17 1981-10-16 Philips Nv Weergeefinrichting met vloeibaar kristal.

Also Published As

Publication number Publication date
DE2361421A1 (de) 1975-06-26
DE2361421B2 (de) 1976-05-13
FR2254082B1 (it) 1977-03-25
FR2254082A1 (it) 1975-07-04
GB1490706A (en) 1977-11-02

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