DE59701626D1 - LIGHTING DEVICE FOR DISPLAYING LETTERS - Google Patents

LIGHTING DEVICE FOR DISPLAYING LETTERS

Info

Publication number
DE59701626D1
DE59701626D1 DE59701626T DE59701626T DE59701626D1 DE 59701626 D1 DE59701626 D1 DE 59701626D1 DE 59701626 T DE59701626 T DE 59701626T DE 59701626 T DE59701626 T DE 59701626T DE 59701626 D1 DE59701626 D1 DE 59701626D1
Authority
DE
Germany
Prior art keywords
lighting device
displaying letters
letters
displaying
lighting
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.)
Expired - Lifetime
Application number
DE59701626T
Other languages
German (de)
Inventor
Thomas Leibe
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from PCT/DE1997/000310 external-priority patent/WO1997030431A2/en
Application granted granted Critical
Publication of DE59701626D1 publication Critical patent/DE59701626D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02B6/0015—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
    • 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
    • G02B6/0023—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
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE59701626T 1996-02-20 1997-02-20 LIGHTING DEVICE FOR DISPLAYING LETTERS Expired - Lifetime DE59701626D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19606179A DE19606179A1 (en) 1996-02-20 1996-02-20 Outdoor display lettering illumination
DE29603225U DE29603225U1 (en) 1996-02-20 1996-02-22 Illuminating device for displaying characters
PCT/DE1997/000310 WO1997030431A2 (en) 1996-02-20 1997-02-20 Lighting device for display of graphic characters

Publications (1)

Publication Number Publication Date
DE59701626D1 true DE59701626D1 (en) 2000-06-15

Family

ID=7785842

Family Applications (3)

Application Number Title Priority Date Filing Date
DE19606179A Withdrawn DE19606179A1 (en) 1996-02-20 1996-02-20 Outdoor display lettering illumination
DE29603225U Expired - Lifetime DE29603225U1 (en) 1996-02-20 1996-02-22 Illuminating device for displaying characters
DE59701626T Expired - Lifetime DE59701626D1 (en) 1996-02-20 1997-02-20 LIGHTING DEVICE FOR DISPLAYING LETTERS

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE19606179A Withdrawn DE19606179A1 (en) 1996-02-20 1996-02-20 Outdoor display lettering illumination
DE29603225U Expired - Lifetime DE29603225U1 (en) 1996-02-20 1996-02-22 Illuminating device for displaying characters

Country Status (1)

Country Link
DE (3) DE19606179A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10032839A1 (en) * 2000-07-06 2002-02-21 Osram Opto Semiconductors Gmbh LED element has housing with partial cover by reflective layer to change emission direction
DE10322561B4 (en) * 2003-05-20 2011-06-22 Isolar Isolierglaserzeugung Ges.M.B.H. Insulating glass element with light frame
DE202006017445U1 (en) * 2006-11-14 2007-08-02 Demmel Ag Light module for rear-illuminated lettering, comprises light-conducting plate with two surfaces facing each other, connecting lateral surface and source of light, light or air chambers form recesses in region of spaced adhesive frames
US8517588B2 (en) 2008-09-30 2013-08-27 Rainier Horst Integrally illuminated panel apparatus and methods
DE102009053960A1 (en) * 2009-11-19 2011-06-01 Gerald Meyer Method for homogeneous illumination of light body in e.g. building, involves utilizing LED in circular manner in polished edges of material surface to cause special distribution of light that is coupled at edges
DE102012213819A1 (en) * 2012-08-03 2014-05-22 Leica Microsystems (Schweiz) Ag Use of a surface light source for incident illumination in a microscope
DE102012213826A1 (en) * 2012-08-03 2014-06-12 Leica Microsystems (Schweiz) Ag Use of a directed surface light source for incident illumination in a microscope

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH667345A5 (en) * 1985-10-10 1988-09-30 Reto Held LIGHT ADVERTISING AND INFORMATION DEVICE.
DE9016695U1 (en) * 1990-12-10 1992-01-16 Willuhn, Klaus, 4830 Guetersloh Illuminated disc

Also Published As

Publication number Publication date
DE19606179A1 (en) 1997-08-21
DE29603225U1 (en) 1996-06-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition