SE7801774L - DEVICE WITH A LIGHT VALVE - Google Patents

DEVICE WITH A LIGHT VALVE

Info

Publication number
SE7801774L
SE7801774L SE7801774A SE7801774A SE7801774L SE 7801774 L SE7801774 L SE 7801774L SE 7801774 A SE7801774 A SE 7801774A SE 7801774 A SE7801774 A SE 7801774A SE 7801774 L SE7801774 L SE 7801774L
Authority
SE
Sweden
Prior art keywords
light valve
valve
light
Prior art date
Application number
SE7801774A
Other languages
Swedish (sv)
Inventor
G Baur
W Greubel
H Kruger
A Schauer
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 SE7801774L publication Critical patent/SE7801774L/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
SE7801774A 1977-02-15 1978-02-15 DEVICE WITH A LIGHT VALVE SE7801774L (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 (1)

Publication Number Publication Date
SE7801774L true SE7801774L (en) 1978-08-15

Family

ID=6001250

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7801774A SE7801774L (en) 1977-02-15 1978-02-15 DEVICE 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
CH621458GA3 (en) 1981-02-13
BE863987A (en) 1978-05-29
DE2706375B2 (en) 1978-11-30
CH621458B5 (en) 1981-08-14
JPS53101996A (en) 1978-09-05
IT1092686B (en) 1985-07-12
DE2706375A1 (en) 1978-08-17
AT368294B (en) 1982-09-27
DE2706375C3 (en) 1982-08-26
FR2380609A1 (en) 1978-09-08
IT7820211A0 (en) 1978-02-13
CA1108737A (en) 1981-09-08
FR2380609B1 (en) 1982-07-16
ATA100478A (en) 1980-12-15
NL7801664A (en) 1978-08-17
GB1585751A (en) 1981-03-11

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