AT368294B - ARRANGEMENT WITH A LIGHT VALVE - Google Patents

ARRANGEMENT WITH A LIGHT VALVE

Info

Publication number
AT368294B
AT368294B AT0100478A AT100478A AT368294B AT 368294 B AT368294 B AT 368294B AT 0100478 A AT0100478 A AT 0100478A AT 100478 A AT100478 A AT 100478A AT 368294 B AT368294 B AT 368294B
Authority
AT
Austria
Prior art keywords
arrangement
light valve
valve
light
Prior art date
Application number
AT0100478A
Other languages
German (de)
Other versions
ATA100478A (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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ATA100478A publication Critical patent/ATA100478A/en
Application granted granted Critical
Publication of AT368294B publication Critical patent/AT368294B/en

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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/04—Luminescent, e.g. electroluminescent, chemiluminescent materials containing natural or artificial radioactive elements or unspecified radioactive elements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional
    • G04G9/0041—Illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electric Clocks (AREA)
AT0100478A 1977-02-15 1978-02-13 ARRANGEMENT WITH A LIGHT VALVE AT368294B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2706375A DE2706375C3 (en) 1977-02-15 1977-02-15 Display arrangement with a light valve device, in particular a liquid crystal cell

Publications (2)

Publication Number Publication Date
ATA100478A ATA100478A (en) 1980-12-15
AT368294B true AT368294B (en) 1982-09-27

Family

ID=6001250

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0100478A AT368294B (en) 1977-02-15 1978-02-13 ARRANGEMENT WITH A LIGHT VALVE

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2835347A1 (en) * 1978-08-11 1980-02-28 Fraunhofer Ges Forschung DISPLAY DEVICE WITH AN ELECTROOPTIC LIGHT VALVE
GB2189918B (en) * 1985-07-23 1990-01-04 John Thomas Visual display means
DE3738414A1 (en) * 1987-11-12 1989-05-24 Bosch Gmbh Robert Device for illuminating passive information displays, preferably LCDs
KR100498721B1 (en) † 1996-09-24 2005-11-28 세이코 엡슨 가부시키가이샤 Lighting devices and indicators using the devices
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 (en) * 1970-12-04 1973-05-21 Hoffmann La Roche OPTICAL CELL
DE2221441A1 (en) * 1972-05-02 1973-11-15 Bernt Von Grabe OPTOELECTRONIC SIGN GENERATOR
DE2232632C3 (en) * 1972-07-03 1981-09-17 Metall-Invent S.A., Zug Display device
JPS50107958A (en) * 1974-01-31 1975-08-25
DE7426201U (en) * 1974-08-01 1974-11-14 Gebrueder Junghans Gmbh Liquid crystal display devices, in particular for small watches
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) * 1975-06-12 1976-06-20
CH589307A5 (en) * 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
IT1092686B (en) 1985-07-12
IT7820211A0 (en) 1978-02-13
DE2706375A1 (en) 1978-08-17
CH621458B5 (en) 1981-08-14
CA1108737A (en) 1981-09-08
SE7801774L (en) 1978-08-15
BE863987A (en) 1978-05-29
CH621458GA3 (en) 1981-02-13
FR2380609A1 (en) 1978-09-08
JPS53101996A (en) 1978-09-05
DE2706375C3 (en) 1982-08-26
NL7801664A (en) 1978-08-17
GB1585751A (en) 1981-03-11
DE2706375B2 (en) 1978-11-30
ATA100478A (en) 1980-12-15
FR2380609B1 (en) 1982-07-16

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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