EP1679470A3 - Lighting device with hollow light guide - Google Patents

Lighting device with hollow light guide Download PDF

Info

Publication number
EP1679470A3
EP1679470A3 EP05028277A EP05028277A EP1679470A3 EP 1679470 A3 EP1679470 A3 EP 1679470A3 EP 05028277 A EP05028277 A EP 05028277A EP 05028277 A EP05028277 A EP 05028277A EP 1679470 A3 EP1679470 A3 EP 1679470A3
Authority
EP
European Patent Office
Prior art keywords
light
wall
cross
section
light guide
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
EP05028277A
Other languages
German (de)
French (fr)
Other versions
EP1679470B1 (en
EP1679470A2 (en
Inventor
Kai Hendrik Sabla
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.)
Osram SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik 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 Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Priority to EP11156581.8A priority Critical patent/EP2333402B1/en
Publication of EP1679470A2 publication Critical patent/EP1679470A2/en
Publication of EP1679470A3 publication Critical patent/EP1679470A3/en
Application granted granted Critical
Publication of EP1679470B1 publication Critical patent/EP1679470B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/02Refractors for light sources of prismatic shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/04Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/04Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02Combinations of only two kinds of elements
    • F21V13/04Combinations of only two kinds of elements the elements being reflectors and refractors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/0008Reflectors for light sources providing for indirect lighting
    • F21V7/0016Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/008Combination of two or more successive refractors along an optical axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/0025Combination of two or more reflectors for a single light source
    • F21V7/0033Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00Elongate light sources, e.g. fluorescent tubes

Abstract

A light for room illumination has a space (5) with one or more partly reflecting walls (11), and the first wall (9) is partly transparent and has a light-decoupling zone. A linear light-refracting structure is provided on the first wall (11) and extends parallel to the light-source and has a tapering cross-section in a plane normal to the line defining it. The sides of the cross-section approximately lie in one region from 100 deg. to 130 deg. while the second wall (7) of the light transparent zone has a structure of linearly shaped light refracting elements extending parallel to the light source, and possess a tapering shape in the cross-section in one plane normal to the defining line.
EP05028277A 2005-01-10 2005-12-23 Lighting device with hollow light guide Not-in-force EP1679470B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11156581.8A EP2333402B1 (en) 2005-01-10 2005-12-23 Lighting device with hollow light guide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005001121 2005-01-10

Publications (3)

Publication Number Publication Date
EP1679470A2 EP1679470A2 (en) 2006-07-12
EP1679470A3 true EP1679470A3 (en) 2008-12-03
EP1679470B1 EP1679470B1 (en) 2011-03-09

Family

ID=35735021

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11156581.8A Not-in-force EP2333402B1 (en) 2005-01-10 2005-12-23 Lighting device with hollow light guide
EP05028277A Not-in-force EP1679470B1 (en) 2005-01-10 2005-12-23 Lighting device with hollow light guide

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP11156581.8A Not-in-force EP2333402B1 (en) 2005-01-10 2005-12-23 Lighting device with hollow light guide

Country Status (3)

Country Link
EP (2) EP2333402B1 (en)
AT (1) ATE501396T1 (en)
DE (1) DE502005011073D1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008014867U1 (en) 2008-11-08 2009-02-19 Witt Sensoric Gmbh Universal optoelectronic closing edge safety device
DE202011002032U1 (en) * 2011-01-28 2012-04-30 Wilfried Pöllet cabinet luminaire
DE102011012653B4 (en) * 2011-02-28 2013-07-25 Frensch Gmbh recessed light
DE102012213286B4 (en) * 2012-07-27 2014-07-03 Trilux Gmbh & Co. Kg Optical element for use in elongated luminaires
JP2014063665A (en) * 2012-09-21 2014-04-10 Toshiba Lighting & Technology Corp Illumination apparatus
US11852333B1 (en) * 2022-10-25 2023-12-26 Abl Ip Holding Llc Light fixture with glare reduction panels

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB491257A (en) * 1937-03-15 1938-08-30 British Thomson Houston Co Ltd Improvements in or relating to lighting fittings
DE1101318B (en) * 1956-12-10 1961-03-09 Holophane Ltd Translucent, refractive plate
US3239661A (en) * 1962-05-09 1966-03-08 Holophane Co Inc Surface-attached luminaire
US4059755A (en) * 1975-12-29 1977-11-22 Armstrong Cork Company Luminaire lens insert
EP1059484A1 (en) * 1999-05-25 2000-12-13 Siteco Beleuchtungstechnik GmbH Luminaire with wide beam light intensity distribution
WO2001044714A2 (en) * 1999-11-30 2001-06-21 Reflexite Corporation Luminaire system
EP1111298A1 (en) * 1999-12-01 2001-06-27 Siteco Beleuchtungstechnik GmbH Light guide lamp with shield in two planes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802582B1 (en) 1999-12-21 2003-08-22 Sagem DEVICE FOR FIXING EQUIPMENT TO A MAT

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB491257A (en) * 1937-03-15 1938-08-30 British Thomson Houston Co Ltd Improvements in or relating to lighting fittings
DE1101318B (en) * 1956-12-10 1961-03-09 Holophane Ltd Translucent, refractive plate
US3239661A (en) * 1962-05-09 1966-03-08 Holophane Co Inc Surface-attached luminaire
US4059755A (en) * 1975-12-29 1977-11-22 Armstrong Cork Company Luminaire lens insert
EP1059484A1 (en) * 1999-05-25 2000-12-13 Siteco Beleuchtungstechnik GmbH Luminaire with wide beam light intensity distribution
WO2001044714A2 (en) * 1999-11-30 2001-06-21 Reflexite Corporation Luminaire system
EP1111298A1 (en) * 1999-12-01 2001-06-27 Siteco Beleuchtungstechnik GmbH Light guide lamp with shield in two planes

Also Published As

Publication number Publication date
EP1679470B1 (en) 2011-03-09
EP2333402B1 (en) 2013-11-06
DE502005011073D1 (en) 2011-04-21
EP1679470A2 (en) 2006-07-12
ATE501396T1 (en) 2011-03-15
EP2333402A1 (en) 2011-06-15

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