DK1390935T3 - Indretning til indirekte belysning af en informationsbærer - Google Patents

Indretning til indirekte belysning af en informationsbærer

Info

Publication number
DK1390935T3
DK1390935T3 DK02747279T DK02747279T DK1390935T3 DK 1390935 T3 DK1390935 T3 DK 1390935T3 DK 02747279 T DK02747279 T DK 02747279T DK 02747279 T DK02747279 T DK 02747279T DK 1390935 T3 DK1390935 T3 DK 1390935T3
Authority
DK
Denmark
Prior art keywords
information carrier
transparent element
rough surface
indirect illumination
light source
Prior art date
Application number
DK02747279T
Other languages
English (en)
Inventor
Volker Benz
Ibrahim Besev
Jann Schmidt
Guenther Ittmann
Original Assignee
Roehm 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 Roehm Gmbh filed Critical Roehm Gmbh
Application granted granted Critical
Publication of DK1390935T3 publication Critical patent/DK1390935T3/da

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
    • G02B6/0033—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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/02—Signs, boards, or panels, illuminated by artificial light sources positioned in front of the insignia

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Eye Examination Apparatus (AREA)
  • Planar Illumination Modules (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Auxiliary Devices For Music (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
DK02747279T 2001-05-23 2002-04-13 Indretning til indirekte belysning af en informationsbærer DK1390935T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10125530A DE10125530A1 (de) 2001-05-23 2001-05-23 Vorrichtung zum indirekten Ausleuchten eines Informationsträgers

Publications (1)

Publication Number Publication Date
DK1390935T3 true DK1390935T3 (da) 2006-05-15

Family

ID=7686120

Family Applications (1)

Application Number Title Priority Date Filing Date
DK02747279T DK1390935T3 (da) 2001-05-23 2002-04-13 Indretning til indirekte belysning af en informationsbærer

Country Status (7)

Country Link
EP (1) EP1390935B1 (da)
AT (1) ATE315266T1 (da)
DE (2) DE10125530A1 (da)
DK (1) DK1390935T3 (da)
ES (1) ES2252483T3 (da)
TW (1) TW561436B (da)
WO (1) WO2002095720A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20214602U1 (de) 2002-09-21 2002-12-19 Wincor Nixdorf Internat Gmbh Beleuchtungsvorrichtung
DE10323166A1 (de) * 2003-05-22 2004-12-23 Kone Corp. Fußbodenabdeckung für eine Personenförderanlage
DE102004048934B4 (de) * 2004-10-07 2008-05-21 Forhouse Corp., Shenkang Hintergrundbeleuchtungseinheit für Flüssigkristallanzeige
DE102006048415A1 (de) * 2006-10-12 2008-04-17 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugshaube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT390851B (de) * 1988-12-16 1990-07-10 Bartenbach Christian Einrichtung zur darbietung von informationen, anzeigen, hinweisen etc.
JPH04356015A (ja) * 1991-03-22 1992-12-09 Tosoh Corp バックライト

Also Published As

Publication number Publication date
DE50205527D1 (de) 2006-03-30
EP1390935A1 (de) 2004-02-25
DE10125530A1 (de) 2002-11-28
TW561436B (en) 2003-11-11
ATE315266T1 (de) 2006-02-15
ES2252483T3 (es) 2006-05-16
WO2002095720A1 (de) 2002-11-28
EP1390935B1 (de) 2006-01-04

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