CA1108737A - Optical display arrangements - Google Patents

Optical display arrangements

Info

Publication number
CA1108737A
CA1108737A CA296,925A CA296925A CA1108737A CA 1108737 A CA1108737 A CA 1108737A CA 296925 A CA296925 A CA 296925A CA 1108737 A CA1108737 A CA 1108737A
Authority
CA
Canada
Prior art keywords
arrangement
radio
fluorescent
active substance
light
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.)
Expired
Application number
CA296,925A
Other languages
English (en)
French (fr)
Inventor
Gunter Baur
Waldemar Greubel
Hans Kruger
Alois Schauer
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.)
Siemens AG
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
Application granted granted Critical
Publication of CA1108737A publication Critical patent/CA1108737A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133617Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/04Luminescent, e.g. electroluminescent, chemiluminescent materials containing natural or artificial radioactive elements or unspecified radioactive elements
    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G9/00Visual time or date indication means
    • G04G9/0023Visual time or date indication means by light valves in general
    • G04G9/0029Details
    • G04G9/0035Details constructional
    • G04G9/0041Illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electric Clocks (AREA)
CA296,925A 1977-02-15 1978-02-14 Optical display arrangements Expired CA1108737A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2706375A DE2706375C3 (de) 1977-02-15 1977-02-15 Anzeigeanordnung mit einer Lichtventilvorrichtung, insbesondere einer Flüssigkristallzelle
DEP2706375.8 1977-02-15

Publications (1)

Publication Number Publication Date
CA1108737A true CA1108737A (en) 1981-09-08

Family

ID=6001250

Family Applications (1)

Application Number Title Priority Date Filing Date
CA296,925A Expired CA1108737A (en) 1977-02-15 1978-02-14 Optical display arrangements

Country Status (11)

Country Link
JP (1) JPS53101996A (en, 2012)
AT (1) AT368294B (en, 2012)
BE (1) BE863987A (en, 2012)
CA (1) CA1108737A (en, 2012)
CH (1) CH621458GA3 (en, 2012)
DE (1) DE2706375C3 (en, 2012)
FR (1) FR2380609A1 (en, 2012)
GB (1) GB1585751A (en, 2012)
IT (1) IT1092686B (en, 2012)
NL (1) NL7801664A (en, 2012)
SE (1) SE7801774L (en, 2012)

Families Citing this family (5)

* 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
GB2189918B (en) * 1985-07-23 1990-01-04 John Thomas Visual display means
DE3738414A1 (de) * 1987-11-12 1989-05-24 Bosch Gmbh Robert Vorrichtung zur ausleuchtung von passiven informationsanzeigen, vorzugsweise lcd's
DE69735732T2 (de) 1996-09-24 2006-09-21 Seiko Epson Corp. Beleuchtungsvorrichtung und diese verwendende Anzeigevorrichtung
WO2002054445A2 (en) * 2000-12-28 2002-07-11 Guy Andrew Vaz Photon power cell

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT946051B (it) * 1970-12-04 1973-05-21 Hoffmann La Roche Cellula ottica
DE2221441A1 (de) * 1972-05-02 1973-11-15 Bernt Von Grabe Optoelektronischer zeichengenerator
DE2232632C3 (de) * 1972-07-03 1981-09-17 Metall-Invent S.A., Zug Anzeigevorrichtung
JPS50107958A (en, 2012) * 1974-01-31 1975-08-25
DE7426201U (de) * 1974-08-01 1974-11-14 Gebrueder Junghans Gmbh Flüssigkristall-Anzeigeeinrichtung, insbesondere für Kleinuhren
US3950078A (en) * 1974-10-16 1976-04-13 Timex Corporation Liquid crystal display
US3959655A (en) * 1975-02-06 1976-05-25 Eastman Kodak Company Light source for optical sound recording and reproduction apparatus
DD120724A1 (en, 2012) * 1975-06-12 1976-06-20
CH589307A5 (en, 2012) * 1975-06-27 1977-06-30 Bbc Brown Boveri & Cie
JPS526496A (en) * 1975-07-04 1977-01-18 Toshiba Corp Liquid crystal indicator

Also Published As

Publication number Publication date
NL7801664A (nl) 1978-08-17
AT368294B (de) 1982-09-27
CH621458GA3 (en) 1981-02-13
DE2706375A1 (de) 1978-08-17
FR2380609A1 (fr) 1978-09-08
SE7801774L (sv) 1978-08-15
GB1585751A (en) 1981-03-11
ATA100478A (de) 1980-12-15
FR2380609B1 (en, 2012) 1982-07-16
JPS53101996A (en) 1978-09-05
IT7820211A0 (it) 1978-02-13
BE863987A (fr) 1978-05-29
DE2706375B2 (de) 1978-11-30
DE2706375C3 (de) 1982-08-26
CH621458B5 (en, 2012) 1981-08-14
IT1092686B (it) 1985-07-12

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 19980908