DE59909816D1 - LAMP WITH LIGHT GUIDE - Google Patents

LAMP WITH LIGHT GUIDE

Info

Publication number
DE59909816D1
DE59909816D1 DE59909816T DE59909816T DE59909816D1 DE 59909816 D1 DE59909816 D1 DE 59909816D1 DE 59909816 T DE59909816 T DE 59909816T DE 59909816 T DE59909816 T DE 59909816T DE 59909816 D1 DE59909816 D1 DE 59909816D1
Authority
DE
Germany
Prior art keywords
lamp
light guide
guide
light
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
DE59909816T
Other languages
German (de)
Inventor
Markus Bohle
Beatrix Froeis
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.)
Zumtobel Staff GmbH
Original Assignee
Zumtobel Staff 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
Priority claimed from DE29903847U external-priority patent/DE29903847U1/en
Application filed by Zumtobel Staff GmbH filed Critical Zumtobel Staff GmbH
Priority claimed from PCT/EP1999/006084 external-priority patent/WO2000011399A1/en
Application granted granted Critical
Publication of DE59909816D1 publication Critical patent/DE59909816D1/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
    • G02B6/0033—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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
    • G02B6/0066—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
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
DE59909816T 1998-08-24 1999-08-19 LAMP WITH LIGHT GUIDE Expired - Lifetime DE59909816D1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19838388 1998-08-24
DE19853956A DE19853956B4 (en) 1998-08-24 1998-11-23 Lighting arrangement with a light guide for room lighting
DE29903847U DE29903847U1 (en) 1998-08-24 1999-03-03 Light guiding element for lighting arrangement for room lighting
PCT/EP1999/006084 WO2000011399A1 (en) 1998-08-24 1999-08-19 Light with a light-guiding element

Publications (1)

Publication Number Publication Date
DE59909816D1 true DE59909816D1 (en) 2004-07-29

Family

ID=7878520

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19853956A Expired - Fee Related DE19853956B4 (en) 1998-08-24 1998-11-23 Lighting arrangement with a light guide for room lighting
DE59909816T Expired - Lifetime DE59909816D1 (en) 1998-08-24 1999-08-19 LAMP WITH LIGHT GUIDE

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19853956A Expired - Fee Related DE19853956B4 (en) 1998-08-24 1998-11-23 Lighting arrangement with a light guide for room lighting

Country Status (1)

Country Link
DE (2) DE19853956B4 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008022962A1 (en) 2008-05-09 2009-11-12 Ledon Lighting Gmbh Luminaire with several point-shaped light sources and several light-guiding elements
DE102010001266A1 (en) * 2010-01-27 2011-07-28 Zumtobel Lighting Gmbh Arrangement for emitting light
DE102012211747A1 (en) * 2012-07-05 2014-01-09 Osram Gmbh Illumination device i.e. office parking light, has light conductor comprising limiting surfaces and front side, where one of surfaces has structuring unit formed by structural element that conducts and reflects light coupled to front side
DE102022121128A1 (en) 2022-08-22 2024-02-22 Schott Ag Device for applying light

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8310852U1 (en) * 1983-04-13 1983-10-06 Meyer, Ernst, 6057 Dietzenbach ELECTRIC ROOM LIGHT
DE3573649D1 (en) * 1984-07-02 1989-11-16 Mitsubishi Rayon Co Light diffuser
JPS6134583A (en) * 1984-07-26 1986-02-18 シャープ株式会社 Lighting apparatus
JP3033980B2 (en) * 1989-05-31 2000-04-17 松下電工株式会社 Indoor lighting fixtures
JPH03216482A (en) * 1990-01-20 1991-09-24 Toshiba Corp Illumination device for elevator cage
ATE187568T1 (en) * 1991-09-03 1999-12-15 Willing Gmbh Dr Ing NOTIFICATION LIGHT
US5555329A (en) * 1993-11-05 1996-09-10 Alliesignal Inc. Light directing optical structure
US5396350A (en) * 1993-11-05 1995-03-07 Alliedsignal Inc. Backlighting apparatus employing an array of microprisms
US5521725A (en) * 1993-11-05 1996-05-28 Alliedsignal Inc. Illumination system employing an array of microprisms
US5590945A (en) * 1995-07-26 1997-01-07 Industrial Devices, Inc. Illuminated line of light using point light source
JP3653308B2 (en) * 1995-08-01 2005-05-25 日東樹脂工業株式会社 Surface light source device and liquid crystal display
JP3286138B2 (en) * 1995-08-03 2002-05-27 日東電工株式会社 Light guide plate, surface light source device, polarized light source device, and liquid crystal display device
DE59710654D1 (en) * 1996-12-04 2003-10-02 Siteco Beleuchtungstech Gmbh Interior light

Also Published As

Publication number Publication date
DE19853956A1 (en) 2000-03-02
DE19853956B4 (en) 2012-03-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition