EP2636944A3 - Luminaire with flexible reflector - Google Patents

Luminaire with flexible reflector Download PDF

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Publication number
EP2636944A3
EP2636944A3 EP13155102.0A EP13155102A EP2636944A3 EP 2636944 A3 EP2636944 A3 EP 2636944A3 EP 13155102 A EP13155102 A EP 13155102A EP 2636944 A3 EP2636944 A3 EP 2636944A3
Authority
EP
European Patent Office
Prior art keywords
luminaire
reflector
walls
flat material
flexible reflector
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
EP13155102.0A
Other languages
German (de)
French (fr)
Other versions
EP2636944B1 (en
EP2636944A2 (en
Inventor
Jochen Holzbauer
Martin Kroke
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
Publication of EP2636944A2 publication Critical patent/EP2636944A2/en
Publication of EP2636944A3 publication Critical patent/EP2636944A3/en
Application granted granted Critical
Publication of EP2636944B1 publication Critical patent/EP2636944B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/013—Housings, e.g. material or assembling of housing parts the housing being an extrusion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/10—Construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2113/00—Combination of light sources

Abstract

Die Erfindung betrifft eine Leuchte, insbesondere eine Innenraumleuchte oder Außenleuchte, z.B. Deckeneinbau-/-anbauleuchte, mit einem Gehäuse (4), das wenigstens zwei gegenüberliegende Wände (6) aufweist, wenigstens einem Leuchtmittel (12) und einem Reflektor (8), der von einer Lichtaustrittsseite (2)der Leuchte betracht hinter dem Leuchtmittel (12) angeordnet ist, wobei der Reflektor (8) aus einem flexiblen Reflektorflachmaterial gebildet ist, welches im spannungsfreien Zustand eben ist, und zwischen den beiden Wänden (6) eingespannt ist, so dass durch eine Eigenspannung des Reflektorflachmaterials sich eine Krümmung des Reflektors (8) in einem Querschnitt senkrecht zu den Wänden (6) ausbildet, um einen Teil des vom Leuchtmittel (12) abgegebenen Lichts umzulenken.

Figure imgaf001
The invention relates to a luminaire, in particular an interior luminaire or outdoor luminaire, for example ceiling recessed luminaire, with a housing (4) which has at least two opposite walls (6), at least one luminous means (12) and a reflector (8) Viewed from a light exit side (2) of the luminaire behind the lighting means (12) is arranged, wherein the reflector (8) is formed from a flexible reflector flat material, which is flat in the tension-free state, and is clamped between the two walls (6), so in that a curvature of the reflector (8) in a cross-section perpendicular to the walls (6) is formed by an internal stress of the reflector flat material in order to deflect a part of the light emitted by the light source (12).
Figure imgaf001
EP13155102.0A 2012-03-05 2013-02-13 Luminaire with flexible reflector Not-in-force EP2636944B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012101810A DE102012101810A1 (en) 2012-03-05 2012-03-05 Luminaire with flexible reflector

Publications (3)

Publication Number Publication Date
EP2636944A2 EP2636944A2 (en) 2013-09-11
EP2636944A3 true EP2636944A3 (en) 2015-03-25
EP2636944B1 EP2636944B1 (en) 2017-07-05

Family

ID=47740841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13155102.0A Not-in-force EP2636944B1 (en) 2012-03-05 2013-02-13 Luminaire with flexible reflector

Country Status (2)

Country Link
EP (1) EP2636944B1 (en)
DE (1) DE102012101810A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105698064B (en) * 2014-11-28 2019-02-01 通用电气照明解决方案有限公司 The repacking external member and method of modifying of recessed light fixture

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065667A (en) * 1975-11-13 1977-12-27 Donald L. Goulet Indirect lighting fixture including improved reflector
US4551791A (en) * 1984-05-31 1985-11-05 Stabeg Apparatebaugesellschaft M.B.H. Recessed lamp
US4799134A (en) * 1986-07-15 1989-01-17 Spencer McGrath Optical reflector system for fluorescent lighting fixtures
US5142459A (en) * 1991-07-29 1992-08-25 Swarens Ralph W Hidden source fluorescent light wash fixture
US5988836A (en) * 1996-07-31 1999-11-23 Swarens; Ralph W. Recessed indirect fluorescent light fixture with flexible reflector
US20050259413A1 (en) * 2004-05-19 2005-11-24 Hae-Ryong Jung Lighted sign fixture having reflective surface

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599684A (en) * 1985-03-11 1986-07-08 Lee Richard H Light reflector system
US5584566A (en) * 1995-07-17 1996-12-17 R. C. Dudek & Company, Inc. Backlighting light fixtures for trade show display structures
US5845988A (en) * 1997-04-28 1998-12-08 Mandall; Michael C. Armored lighting fixture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065667A (en) * 1975-11-13 1977-12-27 Donald L. Goulet Indirect lighting fixture including improved reflector
US4551791A (en) * 1984-05-31 1985-11-05 Stabeg Apparatebaugesellschaft M.B.H. Recessed lamp
US4799134A (en) * 1986-07-15 1989-01-17 Spencer McGrath Optical reflector system for fluorescent lighting fixtures
US5142459A (en) * 1991-07-29 1992-08-25 Swarens Ralph W Hidden source fluorescent light wash fixture
US5988836A (en) * 1996-07-31 1999-11-23 Swarens; Ralph W. Recessed indirect fluorescent light fixture with flexible reflector
US20050259413A1 (en) * 2004-05-19 2005-11-24 Hae-Ryong Jung Lighted sign fixture having reflective surface

Also Published As

Publication number Publication date
EP2636944B1 (en) 2017-07-05
DE102012101810A1 (en) 2013-09-05
EP2636944A2 (en) 2013-09-11

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