FR2539900A3 - Dispositif d'eclairage pour dispositif d'affichage passif fonctionnant par transmission - Google Patents

Dispositif d'eclairage pour dispositif d'affichage passif fonctionnant par transmission Download PDF

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Publication number
FR2539900A3
FR2539900A3 FR8400865A FR8400865A FR2539900A3 FR 2539900 A3 FR2539900 A3 FR 2539900A3 FR 8400865 A FR8400865 A FR 8400865A FR 8400865 A FR8400865 A FR 8400865A FR 2539900 A3 FR2539900 A3 FR 2539900A3
Authority
FR
France
Prior art keywords
light
housing
partition
opening
display
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.)
Granted
Application number
FR8400865A
Other languages
English (en)
French (fr)
Other versions
FR2539900B3 (enrdf_load_stackoverflow
Inventor
Rolf A Cremers
Manfred Barth
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.)
Borg Instruments AG
Original Assignee
Borg Instruments 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 Borg Instruments AG filed Critical Borg Instruments AG
Publication of FR2539900A3 publication Critical patent/FR2539900A3/fr
Application granted granted Critical
Publication of FR2539900B3 publication Critical patent/FR2539900B3/fr
Granted 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
    • G02F1/133602Direct backlight
    • G02F1/133604Direct backlight with lamps
    • 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
    • G02F1/133602Direct backlight
    • G02F1/133609Direct backlight including means for improving the color mixing, e.g. white
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • 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
    • G02F1/133626Illuminating 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)
FR8400865A 1983-01-22 1984-01-20 Dispositif d'eclairage pour dispositif d'affichage passif fonctionnant par transmission Granted FR2539900A3 (fr)

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
FR2539900A3 true FR2539900A3 (fr) 1984-07-27
FR2539900B3 FR2539900B3 (enrdf_load_stackoverflow) 1984-12-21

Family

ID=6189004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8400865A Granted FR2539900A3 (fr) 1983-01-22 1984-01-20 Dispositif d'eclairage pour dispositif d'affichage passif fonctionnant par transmission

Country Status (4)

Country Link
DE (1) DE3302156C2 (enrdf_load_stackoverflow)
FR (1) FR2539900A3 (enrdf_load_stackoverflow)
GB (1) GB2136186B (enrdf_load_stackoverflow)
IT (3) IT8420563V0 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001399A1 (en) * 1986-08-14 1988-02-25 Robert Bosch Gmbh Display apparatus with liquid crystal cells, preferably for motor vehicles
EP0235267A4 (en) * 1985-08-26 1989-11-07 Edward Vaughan Stine ELECTRO-OPTICAL COLOR IMAGING METHOD AND APPARATUS.

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (enrdf_load_stackoverflow) * 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0235267A4 (en) * 1985-08-26 1989-11-07 Edward Vaughan Stine ELECTRO-OPTICAL COLOR IMAGING METHOD AND APPARATUS.
WO1988001399A1 (en) * 1986-08-14 1988-02-25 Robert Bosch Gmbh Display apparatus with liquid crystal cells, preferably for motor vehicles
US4965564A (en) * 1986-08-14 1990-10-23 Robert Bosch Gmbh Display apparatus with liquid crystal cells, preferably for motor vehicles

Also Published As

Publication number Publication date
DE3302156C2 (de) 1989-11-23
GB8401724D0 (en) 1984-02-22
GB2136186B (en) 1986-06-04
DE3302156A1 (de) 1984-07-26
FR2539900B3 (enrdf_load_stackoverflow) 1984-12-21
IT8420564V0 (it) 1984-01-18
GB2136186A (en) 1984-09-12
IT8420563V0 (it) 1984-01-18
IT8419210A0 (it) 1984-01-18
IT1173061B (it) 1987-06-18

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