AT368295B - Anordnung fuer die darstellung von hellen bildern auf dunklem hintergrund mit einem lichtventil - Google Patents

Anordnung fuer die darstellung von hellen bildern auf dunklem hintergrund mit einem lichtventil

Info

Publication number
AT368295B
AT368295B AT0100578A AT100578A AT368295B AT 368295 B AT368295 B AT 368295B AT 0100578 A AT0100578 A AT 0100578A AT 100578 A AT100578 A AT 100578A AT 368295 B AT368295 B AT 368295B
Authority
AT
Austria
Prior art keywords
arrangement
light valve
dark background
bright images
representing bright
Prior art date
Application number
AT0100578A
Other languages
English (en)
Other versions
ATA100578A (de
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 ATA100578A publication Critical patent/ATA100578A/de
Application granted granted Critical
Publication of AT368295B publication Critical patent/AT368295B/de

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
    • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
    • 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
    • G02F1/13725—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 guest-host interaction

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electric Clocks (AREA)
AT0100578A 1977-02-15 1978-02-13 Anordnung fuer die darstellung von hellen bildern auf dunklem hintergrund mit einem lichtventil AT368295B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2706372A DE2706372B2 (de) 1977-02-15 1977-02-15 Anzeigeanordnung zur Darstellung von hellen Bildern auf dunklem Hintergrund

Publications (2)

Publication Number Publication Date
ATA100578A ATA100578A (de) 1982-01-15
AT368295B true AT368295B (de) 1982-09-27

Family

ID=6001248

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0100578A AT368295B (de) 1977-02-15 1978-02-13 Anordnung fuer die darstellung von hellen bildern auf dunklem hintergrund mit einem lichtventil

Country Status (11)

Country Link
US (1) US4244636A (de)
JP (1) JPS53101997A (de)
AT (1) AT368295B (de)
BE (1) BE863988A (de)
CA (1) CA1106479A (de)
DE (1) DE2706372B2 (de)
FR (1) FR2380566A1 (de)
GB (1) GB1585754A (de)
IT (1) IT1092684B (de)
NL (1) NL7801665A (de)
SE (1) SE7801773L (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2706405C3 (de) * 1977-02-15 1985-08-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen Anzeigeanordnung zur Darstellung von hellen Bildern vor dunklem Hintergrund
JPS54141150A (en) * 1978-04-26 1979-11-02 Toshiba Corp Liquid crystal display device
JPS5895327A (ja) * 1981-12-01 1983-06-06 Alps Electric Co Ltd カラ−液晶表示素子
US4636807A (en) * 1986-03-14 1987-01-13 The Mead Corporation Apparatus and method for light value gray scale recording
GB8717362D0 (en) * 1987-07-22 1987-08-26 Gen Electric Co Plc Liquid crystal displays

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140289B1 (de) * 1971-01-23 1976-11-02
US3841083A (en) * 1971-03-01 1974-10-15 Time Computer Self-illuminated liquid crystal timepiece
US4104627A (en) * 1974-05-03 1978-08-01 Merz & Bentili Nuklear Ag Digitale, an indicating device containing liquid crystals
CH589307A5 (de) * 1975-06-27 1977-06-30 Bbc Brown Boveri & Cie
AT351615B (de) * 1975-12-03 1979-08-10 Siemens Ag Anordnung zur passiven helligkeitsverstaerkung von ein- oder mehrfarbigen anzeigevor- richtungen
DE2619352C2 (de) * 1976-04-30 1981-12-03 Siemens AG, 1000 Berlin und 8000 München Flüssigkristall-Anzeigevorrichtung mit einer Platte aus fluoreszierendem Material
US4126384A (en) * 1976-08-13 1978-11-21 Rca Corporation Self-illuminated liquid crystal display device

Also Published As

Publication number Publication date
IT1092684B (it) 1985-07-12
BE863988A (fr) 1978-05-29
FR2380566A1 (fr) 1978-09-08
GB1585754A (en) 1981-03-11
SE7801773L (sv) 1978-08-15
IT7820209A0 (it) 1978-02-13
JPS53101997A (en) 1978-09-05
US4244636A (en) 1981-01-13
DE2706372A1 (de) 1978-08-17
NL7801665A (nl) 1978-08-17
ATA100578A (de) 1982-01-15
DE2706372B2 (de) 1978-11-30
CA1106479A (en) 1981-08-04
FR2380566B1 (de) 1982-08-20

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties