IT1111797B - Dispositivo indicatore contenente una fotovalvola eccitata col metodo multiplex a divisione di tempo - Google Patents

Dispositivo indicatore contenente una fotovalvola eccitata col metodo multiplex a divisione di tempo

Info

Publication number
IT1111797B
IT1111797B IT20471/79A IT2047179A IT1111797B IT 1111797 B IT1111797 B IT 1111797B IT 20471/79 A IT20471/79 A IT 20471/79A IT 2047179 A IT2047179 A IT 2047179A IT 1111797 B IT1111797 B IT 1111797B
Authority
IT
Italy
Prior art keywords
photovalve
excited
time
device containing
indicator device
Prior art date
Application number
IT20471/79A
Other languages
English (en)
Other versions
IT7920471A0 (it
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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of IT7920471A0 publication Critical patent/IT7920471A0/it
Application granted granted Critical
Publication of IT1111797B publication Critical patent/IT1111797B/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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133618—Illuminating devices for ambient light

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Display Device Control (AREA)
IT20471/79A 1978-02-27 1979-02-23 Dispositivo indicatore contenente una fotovalvola eccitata col metodo multiplex a divisione di tempo IT1111797B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2808440A DE2808440C3 (de) 1978-02-27 1978-02-27 Anzeigevorrichtung mit einem in einem Zeitmultiplexverfahren angesteuerten Lichtventil

Publications (2)

Publication Number Publication Date
IT7920471A0 IT7920471A0 (it) 1979-02-23
IT1111797B true IT1111797B (it) 1986-01-13

Family

ID=6033089

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20471/79A IT1111797B (it) 1978-02-27 1979-02-23 Dispositivo indicatore contenente una fotovalvola eccitata col metodo multiplex a divisione di tempo

Country Status (6)

Country Link
US (1) US4265516A (it)
JP (1) JPS54123898A (it)
DE (1) DE2808440C3 (it)
FR (1) FR2418508A1 (it)
GB (1) GB2015225B (it)
IT (1) IT1111797B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2835347A1 (de) * 1978-08-11 1980-02-28 Fraunhofer Ges Forschung Anzeigevorrichtung mit einem elektrooptischen lichtventil
US4678285A (en) * 1984-01-13 1987-07-07 Ricoh Company, Ltd. Liquid crystal color display device
JPS62731A (ja) * 1985-06-27 1987-01-06 Jidosha Kiki Co Ltd デイ−ゼルエンジン用グロ−プラグ
KR20000071859A (ko) * 1999-04-30 2000-11-25 모리시타 요이찌 조명장치 및 액정 표시장치
US6362861B1 (en) * 2000-05-02 2002-03-26 Agilent Technologies, Inc. Microdisplay system
WO2012003845A1 (de) * 2010-07-07 2012-01-12 Siemens Enterprise Communications Gmbh & Co. Kg Elektronische anzeigeeinrichtung und gerät mit dieser anzeigeeinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2237084A1 (de) * 1972-07-28 1974-02-14 Battelle Institut E V Messgeraet fuer elektrische spannungen
AT351615B (de) * 1975-12-03 1979-08-10 Siemens Ag Anordnung zur passiven helligkeitsverstaerkung von ein- oder mehrfarbigen anzeigevor- richtungen
DE2554226C3 (de) * 1975-12-03 1985-07-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen Strahlungskollektor und -verdichter in Form einer fluoreszierenden Kunststoffplatte
DE2619285A1 (de) * 1976-04-30 1977-11-10 Siemens Ag Fluessigkristallanzeigevorrichtung mit einer fluoreszenzplatte
DE7724216U1 (de) 1977-08-03 1977-12-29 Siemens Ag, 1000 Berlin Und 8000 Muenchen Uhr, insbesondere Armbanduhr

Also Published As

Publication number Publication date
IT7920471A0 (it) 1979-02-23
FR2418508A1 (fr) 1979-09-21
DE2808440A1 (de) 1979-08-30
JPS54123898A (en) 1979-09-26
DE2808440B2 (it) 1979-12-20
GB2015225B (en) 1982-02-10
GB2015225A (en) 1979-09-05
DE2808440C3 (de) 1982-07-08
US4265516A (en) 1981-05-05

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