IT1173061B - Dispositivo di illuminazione per un indicatore passivo atto al funzionamento a trasmissione - Google Patents

Dispositivo di illuminazione per un indicatore passivo atto al funzionamento a trasmissione

Info

Publication number
IT1173061B
IT1173061B IT19210/84A IT1921084A IT1173061B IT 1173061 B IT1173061 B IT 1173061B IT 19210/84 A IT19210/84 A IT 19210/84A IT 1921084 A IT1921084 A IT 1921084A IT 1173061 B IT1173061 B IT 1173061B
Authority
IT
Italy
Prior art keywords
lighting device
transmission operation
indicator suitable
passive indicator
passive
Prior art date
Application number
IT19210/84A
Other languages
English (en)
Italian (it)
Other versions
IT8419210A0 (it
Inventor
Rolf A Cremers
Manfred Barh
Original Assignee
Borg Instr Gmbh
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 Borg Instr Gmbh filed Critical Borg Instr Gmbh
Publication of IT8419210A0 publication Critical patent/IT8419210A0/it
Application granted granted Critical
Publication of IT1173061B publication Critical patent/IT1173061B/it

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
    • G02F1/133604—Direct backlight with lamps
    • 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
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • 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
    • G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
IT19210/84A 1983-01-22 1984-01-18 Dispositivo di illuminazione per un indicatore passivo atto al funzionamento a trasmissione IT1173061B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3302156A DE3302156C2 (de) 1983-01-22 1983-01-22 Beleuchtungseinrichtung für eine transmissiv betreibbare passive Anzeige

Publications (2)

Publication Number Publication Date
IT8419210A0 IT8419210A0 (it) 1984-01-18
IT1173061B true IT1173061B (it) 1987-06-18

Family

ID=6189004

Family Applications (3)

Application Number Title Priority Date Filing Date
IT19210/84A IT1173061B (it) 1983-01-22 1984-01-18 Dispositivo di illuminazione per un indicatore passivo atto al funzionamento a trasmissione
IT8420563U IT8420563V0 (it) 1983-01-22 1984-01-18 Dispositivo di illuminazione per un indicatore passivo atto al funzionamento a trasmissione.
IT8420564U IT8420564V0 (it) 1983-01-22 1984-01-18 Dispositivo per un indicatore passivo funzionante a riflessione.

Family Applications After (2)

Application Number Title Priority Date Filing Date
IT8420563U IT8420563V0 (it) 1983-01-22 1984-01-18 Dispositivo di illuminazione per un indicatore passivo atto al funzionamento a trasmissione.
IT8420564U IT8420564V0 (it) 1983-01-22 1984-01-18 Dispositivo per un indicatore passivo funzionante a riflessione.

Country Status (4)

Country Link
DE (1) DE3302156C2 (enExample)
FR (1) FR2539900A3 (enExample)
GB (1) GB2136186B (enExample)
IT (3) IT1173061B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720706A (en) * 1985-08-26 1988-01-19 Stine Edward V Method and apparatus for electro-optical color imaging
DE3627697A1 (de) * 1986-08-14 1988-02-25 Bosch Gmbh Robert Anzeigegeraet mit fluessigkristallzelle, vorzugsweise fuer kraftfahrzeuge
DE3639008A1 (de) * 1986-11-14 1988-05-19 Bosch Gmbh Robert Anzeigegeraet mit fluessigkristallzelle, vorzugsweise fuer kraftfahrzeuge
US5402143A (en) * 1991-12-23 1995-03-28 Panocorp Display Systems Color fluorescent liquid crystal display
GB2267378B (en) * 1992-05-22 1996-07-10 Nokia Mobile Phones Uk Illuminated LCD apparatus
FI91686C (fi) * 1992-08-31 1994-07-25 Kai Markus Martesuo Instrumentti
JP4467493B2 (ja) 2005-09-16 2010-05-26 シャープ株式会社 バックライト装置及びこれを備える表示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB450329A (en) * 1934-11-01 1936-07-15 Vibra Lite Ltd Method of and apparatus for illuminating displays
GB746165A (en) * 1953-12-29 1956-03-07 Forges Ateliers Const Electr Improvements relating to illuminated signalling panels
US2880536A (en) * 1957-06-10 1959-04-07 American Mach & Foundry Illuminated display device
US3537971A (en) * 1967-08-07 1970-11-03 Rca Corp Apparatus for electroplating a ribbon
US3674341A (en) * 1970-12-08 1972-07-04 Scm Corp Liquid crystal display device having improved optical contrast
CH619301A5 (enExample) * 1979-05-31 1980-09-15 Bbc Brown Boveri & Cie
DE2931328C2 (de) * 1979-08-02 1981-10-01 Standard Elektrik Lorenz Ag, 7000 Stuttgart Anzeigeanordnung mit einer Flüssigkeitszelle
DE3019419A1 (de) * 1980-05-21 1981-12-03 Patra Patent Treuhand Beleuchtungsvorrichtung fuer anzeigeanordnung
DE3145127C3 (de) * 1981-03-13 1996-08-01 Bosch Gmbh Robert Verfahren zur Herstellung einer Folie für eine Vorrichtung zur gradientenfreien Ausleuchtung von passiven Anzeigevorrichtungen

Also Published As

Publication number Publication date
GB2136186B (en) 1986-06-04
DE3302156C2 (de) 1989-11-23
DE3302156A1 (de) 1984-07-26
FR2539900B3 (enExample) 1984-12-21
IT8419210A0 (it) 1984-01-18
FR2539900A3 (fr) 1984-07-27
GB2136186A (en) 1984-09-12
GB8401724D0 (en) 1984-02-22
IT8420564V0 (it) 1984-01-18
IT8420563V0 (it) 1984-01-18

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990129