AT345910B - Beleuchtungsanordnung - Google Patents

Beleuchtungsanordnung

Info

Publication number
AT345910B
AT345910B AT798276A AT798276A AT345910B AT 345910 B AT345910 B AT 345910B AT 798276 A AT798276 A AT 798276A AT 798276 A AT798276 A AT 798276A AT 345910 B AT345910 B AT 345910B
Authority
AT
Austria
Prior art keywords
lighting arrangement
lighting
arrangement
Prior art date
Application number
AT798276A
Other languages
German (de)
English (en)
Other versions
ATA798276A (de
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of ATA798276A publication Critical patent/ATA798276A/de
Application granted granted Critical
Publication of AT345910B publication Critical patent/AT345910B/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
AT798276A 1975-10-28 1976-10-27 Beleuchtungsanordnung AT345910B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1392175A CH591705A5 (no) 1975-10-28 1975-10-28

Publications (2)

Publication Number Publication Date
ATA798276A ATA798276A (de) 1978-02-15
AT345910B true AT345910B (de) 1978-10-10

Family

ID=4396486

Family Applications (1)

Application Number Title Priority Date Filing Date
AT798276A AT345910B (de) 1975-10-28 1976-10-27 Beleuchtungsanordnung

Country Status (4)

Country Link
JP (1) JPS5275198A (no)
AT (1) AT345910B (no)
CH (1) CH591705A5 (no)
DE (1) DE2552278A1 (no)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414684U (no) * 1977-07-05 1979-01-30
DE3071128D1 (en) * 1980-12-31 1985-10-31 Ibm Electrochromic display module and reflective projection system therefor
DE3102626A1 (de) * 1981-01-27 1982-08-19 Siemens AG, 1000 Berlin und 8000 München "passive elektrooptische anzeigevorrichtung"
JPS57144580A (en) * 1981-03-03 1982-09-07 Mitsubishi Electric Corp Display unit with lighting
DE3207871A1 (de) * 1982-03-05 1983-09-15 Robert Bosch Gmbh, 7000 Stuttgart Anzeigevorrichtung, insbesondere fuer kraftfahrzeuge
NO159899C (no) * 1986-03-25 1989-02-15 Kjell Hansen Skjerm for bildefremvisning og/eller -opptak.
US4989956A (en) * 1989-01-04 1991-02-05 Hughes Aircraft Company Visual display device with fluorescent dye-doped edge-illuminating emitter panel
DE3919925A1 (de) * 1989-06-19 1990-12-20 Inotec Gmbh Ges Fuer Innovativ Beleuchtete, anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger
JPH0365982A (ja) * 1989-08-03 1991-03-20 Pioneer Electron Corp 表示装置における表示板照明装置
GB9026151D0 (en) * 1990-11-30 1991-01-16 Emi Plc Thorn Display device
DE4105547A1 (de) * 1991-02-22 1992-08-27 Hella Kg Hueck & Co Flache, beleuchtete warn- oder anzeigeeinrichtung
DE19636459A1 (de) * 1996-09-07 1998-03-12 Telefunken Microelectron Beleuchtete Anzeigeanordnung
JPH10260405A (ja) * 1997-03-18 1998-09-29 Seiko Epson Corp 照明装置、液晶表示装置及び電子機器
DE19925363A1 (de) * 1999-06-02 2000-12-07 Hella Kg Hueck & Co Vorrichtung zum gezielten Abgeben oder Einleiten von Licht in einen Lichtleiter
US8393777B2 (en) 2005-07-28 2013-03-12 Light Prescriptions Innovators, Llc Etendue-conserving illumination-optics for backlights and frontlights
WO2008008994A2 (en) 2006-07-14 2008-01-17 Light Prescriptions Innovators, Llc Brightness-enhancing film
US20080260329A1 (en) * 2007-04-20 2008-10-23 3M Innovative Properties Company Lightguides having curved light injectors

Also Published As

Publication number Publication date
ATA798276A (de) 1978-02-15
CH591705A5 (no) 1977-09-30
DE2552278A1 (de) 1977-05-05
JPS5275198A (en) 1977-06-23

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee