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 tempoInfo
- 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
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)
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)
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 |
EP1132677A3 (en) * | 1999-04-30 | 2003-08-06 | Matsushita Electric Industrial Co., Ltd. | Lighting device and liquid crystal display |
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 (4)
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 |
-
1978
- 1978-02-27 DE DE2808440A patent/DE2808440C3/de not_active Expired
-
1979
- 1979-02-19 FR FR7904145A patent/FR2418508A1/fr not_active Withdrawn
- 1979-02-23 US US06/014,536 patent/US4265516A/en not_active Expired - Lifetime
- 1979-02-23 JP JP2062779A patent/JPS54123898A/ja active Pending
- 1979-02-23 IT IT20471/79A patent/IT1111797B/it active
- 1979-02-23 GB GB7906553A patent/GB2015225B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2015225B (en) | 1982-02-10 |
FR2418508A1 (fr) | 1979-09-21 |
DE2808440C3 (de) | 1982-07-08 |
DE2808440B2 (it) | 1979-12-20 |
DE2808440A1 (de) | 1979-08-30 |
JPS54123898A (en) | 1979-09-26 |
GB2015225A (en) | 1979-09-05 |
IT7920471A0 (it) | 1979-02-23 |
US4265516A (en) | 1981-05-05 |
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