EP2796770A1 - Éclairage doté d'une unité de production de lumière et d'un élément de cadre - Google Patents

Éclairage doté d'une unité de production de lumière et d'un élément de cadre Download PDF

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Publication number
EP2796770A1
EP2796770A1 EP20140165824 EP14165824A EP2796770A1 EP 2796770 A1 EP2796770 A1 EP 2796770A1 EP 20140165824 EP20140165824 EP 20140165824 EP 14165824 A EP14165824 A EP 14165824A EP 2796770 A1 EP2796770 A1 EP 2796770A1
Authority
EP
European Patent Office
Prior art keywords
light
generating unit
plate
luminaire according
luminaire
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
EP20140165824
Other languages
German (de)
English (en)
Other versions
EP2796770B1 (fr
Inventor
Helmut Feurle
Marcel KILGA
Michael Spiegel
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 Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
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 Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2796770A1 publication Critical patent/EP2796770A1/fr
Application granted granted Critical
Publication of EP2796770B1 publication Critical patent/EP2796770B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21S8/04—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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing 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
    • F21V13/12—Combinations of only three kinds of elements
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • 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
    • F21Y2105/00—Planar light sources
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a luminaire with a light-generating unit and a frame element.
  • the frame element In the case of such a luminaire, the frame element must be connected to the light-generating unit during production. It is known from the prior art that for this purpose the frame element is connected by means of screws with the light generating unit. The preparation of this compound therefore requires a not insignificant amount of work. In addition, it is necessary by this type of connection to make the frame element with a certain correspondingly suitable minimum width; In addition, the screws are often seen from the outside when looking at the fully assembled lamp. As a result, the design options of the lamp are affected with respect to their external appearance.
  • the invention has for its object to provide a corresponding improved luminaire.
  • the light should offer improved design options with simplified production.
  • a luminaire which has a light-generating unit for generating a light, and a frame element, by which a frame of the luminaire is formed.
  • the frame element is held only via latching connection elements held on the light generating unit.
  • the frame element can be particularly easily connected to the light generating unit for assembling the lamp. Furthermore, the frame element does not have holes or recesses for fasteners such as For example, have screws, so that it can be made very narrow. As a result, the appearance of the lamp can be made particularly advantageous.
  • the frame element is formed by profile elements.
  • the frame element can advantageously be designed to be particularly narrow and stable in terms of manufacturing technology.
  • the profile elements consist of a non-translucent material, in particular of a metal, for example of aluminum.
  • the latching connection elements comprise a shoulder surface of the frame element and a latching element of the light generating unit, wherein the latching element is arranged for holding the frame element in abutment against the shoulder surface.
  • the latching element of the light-generating unit is furthermore preferably formed by a spring element.
  • the light-generating unit preferably has a carrier plate, wherein the spring element is arranged on the carrier plate.
  • the support plate can be designed as a central holding element of the light generating unit with the necessary stability particularly suitable.
  • the spring element is arranged on the carrier plate via a latching connection.
  • the light generating unit comprises a light guide plate and an LED light source for generating the light
  • the light guide plate has two major major surfaces which are interconnected via small, edge-side narrow surfaces and the LED light source is arranged such that the light over a narrow side of the Light guide plate is irradiated in the latter.
  • the lamp overall can be made particularly narrow or with low height and thus make the frame element correspondingly small-scale.
  • the LED light source is arranged displaceably mounted relative to the light guide plate. This makes it possible to achieve that, when assembling the luminaire, the LED light source can be moved in a particularly simple and reliable manner into the relative position relative to the light guide plate provided for the operation of the luminaire.
  • the LED light source is arranged displaceable relative to the carrier plate.
  • the lamp further comprises a translucent cover, through which the light is emitted from the lamp to the outside, wherein the cover is arranged supported on the frame member.
  • the cover plate is particularly preferably arranged fixed in position by the light-generating unit.
  • the lamp further comprises a particular plate-shaped optical element which is arranged plane-parallel to the cover plate and which is also arranged supported on the frame member.
  • the optical element can be formed by a prism plate.
  • the lamp further comprises a further, preferably plate-shaped optical element, which is arranged plane-parallel to the cover plate and which is also arranged supported on the frame member.
  • the further optical element may be formed by a diffuser plate or a diffuser foil.
  • the luminaire is particularly suitable as a ceiling luminaire, in particular as a ceiling luminaire.
  • Fig. 1 shows a cross-sectional diagram of a lamp according to the invention with a light generating unit 2 for generating a light and a frame member 3, through which a frame of the lamp is formed, wherein in Fig. 1 the two parts 2, 3 are only partially shown. The parts 2, 3 in Fig. 1 shown in a state where they are not yet assembled as intended.
  • the luminaire may in particular be a ceiling luminaire, particularly preferably a ceiling luminaire.
  • Fig. 1 are the two parts mentioned 2, 3 outlined accordingly oriented.
  • a light output of the lamp is provided in the lower half space, as indicated by an arrow R.
  • the lamp is also suitable for another orientation relative to the vertical. If necessary, the present directions, etc. should be reinterpreted accordingly.
  • Fig. 2 shows an edge portion of the lamp in the form of a perspective sectional view, wherein the frame member 3 and the light generating unit 2 are now shown assembled together as intended.
  • the frame member 3 is arranged held only via latching connection elements to the light generating unit 2. This type of connection allows a particularly simple assembly of the lamp. In particular, that can be Connect frame element 3 in this way without tools with the light generating unit 2.
  • the frame member 3 is preferably advantageously formed by manufacturing example by four profile elements 35, which may in particular consist of a non-translucent material.
  • the profile elements 35 are made of a metal such as aluminum.
  • the latching connection elements preferably comprise a shoulder surface 31 of the frame element 3 and a latching element 21 of the light-generating unit 2, the latching element 21 being arranged in abutment against the shoulder surface 31 for holding the frame element 3.
  • the frame element 3 rests with its shoulder surface 31 on the latching element 21 of the light-generating unit 2.
  • the profile elements 35 have an upwardly open circumferential groove, on the outer edge region of which the shoulder surface 31 is formed.
  • the latching element 21 of the light-generating unit 2 is advantageously formed by a spring element 22.
  • the light generating unit 2 preferably has a carrier plate 23, wherein the spring element 22 is arranged on the carrier plate 23, preferably arranged on the carrier element 23 via a latching connection.
  • the support plate 23 is advantageously designed as a supporting framework of the lamp. As in the example shown, the case, the support plate 23 is advantageously formed in a first approximation lying in a plane. As a result, the lamp can be designed with a particularly low height.
  • the support plate 23 has a downwardly bent leg 231, which engages in the assembled state together with the latching element 21 in the formed by the frame member 3, upwardly open groove. This makes it possible to achieve a suitable stability of the light generating unit 2 in a particularly suitable manner.
  • a device box 4 can advantageously be arranged on the carrier plate 23, for example for receiving an operating device for powering the light-generating unit 2.
  • the light generating unit 2 comprises a light guide plate 25 and an LED light source 26, the light being generated by the latter.
  • the light guide plate 25 is preferably arranged aligned plane-parallel to the support plate 23.
  • the light guide plate 25 has two major major surfaces, which are interconnected via small, edge-side narrow surfaces.
  • the LED light source 26 is arranged such that the light is irradiated via a narrow side of the light guide plate 25 in the latter.
  • the LED light source 26 includes a board on which a plurality of LEDs, preferably along a horizontal straight line running, are arranged.
  • the LED light source 26 is arranged displaceably mounted relative to the light guide plate 25, in particular displaceable relative to the support plate 23.
  • the LED light source 26 may in particular be arranged on an LED light source support member 27 which is slidably mounted relative to the support plate 23 is.
  • this storage is such that the LED light source 26 can be moved by the LED light source support member 27 to that narrow side of the light guide plate 25, through which the light is radiated into the latter.
  • the LED light source support member 27 is formed so as to serve for supporting the light guide plate 21; For this purpose, it may include the edge of the light guide plate 25 in particular in the position provided for the operation of the lamp.
  • Fig. 1 As mentioned above, only a partial area of the light generating unit 2 is sketched, with reference to the illustration in FIG Fig. 1 a left part.
  • the lamp is designed analogously on the corresponding opposite side or on the right, so that it has a corresponding further LED light source with a further LED light source carrier element, so that the light guide plate 21 is held correspondingly from two opposite sides.
  • a reflector 28 is disposed between the light guide plate 21 and the support plate 23; This can increase the efficiency of the light output of the lamp.
  • the light is designed so that the light guide plate 25 and optionally the reflector 28 are held on the remaining light generating unit 2, for example, in contact with the support plate 23 by the LED light source support member 27 and the other LED light source support member.
  • the lamp further comprises a translucent cover 5, through which the light is emitted from the lamp to the outside, so that therefore by the cover 5, a light emitting surface of the lamp is formed.
  • This cover 5 is arranged supported on the frame member 3.
  • the profile elements 35 of the frame element 3 preferably each have a horizontal leg 32, on which the cover plate 5 is arranged resting.
  • This leg 32 can be made very narrow, since it does not have to serve as a driving element for fasteners such as screws.
  • the leg 32 has a width which is a maximum of 8 mm. The luminaire can thereby be advantageously designed so that it has a particularly narrow visible edge.
  • the LED light source support member 27 on a downwardly facing contact surface 271, which secures the cover 5 in position from above.
  • the lamp advantageously has a preferably plate-shaped optical element 6, which is arranged plane-parallel to the cover plate 5 and which is also arranged supported on the frame member 3.
  • this optical element 6 may in particular be an optical element for directing the light, for example, to act a prismatic plate.
  • the lamp also has another, preferably plate-shaped optical element 7, which is also arranged plane-parallel to the cover plate 5 and which is also arranged supported on the frame member 3.
  • This may in particular be a diffuser plate or a diffuser film. If the further optical element 7 is designed diffusively, a particularly homogeneous illumination of the light emission surface can be achieved up to the edge.
  • the cover 5, the optical element 6 and the further optical element 7 are held fixed by pressing the contact surface 271 of the LED light source support member 27 from above.
  • the described design of the luminaire makes it possible to achieve a very homogeneous illumination of the light emission surface, in particular a good illumination up to the edge region of the light emission surface.
  • the spring element 22 can be preassembled on the carrier plate 23.
  • the luminaire is preferably designed such that both the light-generating unit 2 and the frame element 3 can each be pre-assembled separately in the production. Subsequently, the two parts mentioned can then be assembled, without, for this purpose, a further part would be required, ie in particular screwless and preferably without the aid of a tool.
  • the luminaire can furthermore be designed such that it consists of the light-generating unit 2 and the frame element 3, that is to say comprises no further parts.
  • a special tool can be provided with which the shoulder surface 21 can be bent inward accordingly.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
EP14165824.5A 2013-04-24 2014-04-24 Éclairage doté d'une unité de production de lumière et d'un élément de cadre Active EP2796770B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202013101769.8U DE202013101769U1 (de) 2013-04-24 2013-04-24 Leuchte mit einer Lichterzeugungseinheit und einem Rahmenelement

Publications (2)

Publication Number Publication Date
EP2796770A1 true EP2796770A1 (fr) 2014-10-29
EP2796770B1 EP2796770B1 (fr) 2016-09-07

Family

ID=50542915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14165824.5A Active EP2796770B1 (fr) 2013-04-24 2014-04-24 Éclairage doté d'une unité de production de lumière et d'un élément de cadre

Country Status (2)

Country Link
EP (1) EP2796770B1 (fr)
DE (1) DE202013101769U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3270047A3 (fr) * 2016-03-11 2018-04-25 Trilux GmbH & Co. KG Appareil d'éclairage plat
EP3414487B1 (fr) * 2016-02-08 2022-05-18 Zumtobel Lighting GmbH Système de bande lumineuse à rail de support de forme allongée

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014019174A1 (de) * 2014-12-18 2016-06-23 Glacryl Hedel Gmbh Rahmenelement einer Beleuchtungseinrichtung und Beleuchtungseinrichtung
DE102016104448A1 (de) * 2016-03-11 2017-09-14 Trilux Gmbh & Co. Kg Flachleuchte
DE202018100352U1 (de) * 2018-01-23 2019-04-24 Zumtobel Lighting Gmbh Flächenleuchte mit optimierter Bauhöhe
DE202018100348U1 (de) * 2018-01-23 2019-04-24 Zumtobel Lighting Gmbh Leuchte mit Federelementen zur Halterung einer Abdeckung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6068387A (en) * 1999-01-19 2000-05-30 Cooper Technologies Company Light fixture with trim mounting clip
DE20313428U1 (de) * 2003-08-29 2003-11-27 Hoffmeister Leuchten Gmbh Elektrische Leuchte
EP2192430A2 (fr) * 2008-11-27 2010-06-02 Samsung Electronics Co., Ltd. Dispositif de rétroéclairage et appareil d'affichage l'utilisant
TWM447958U (zh) * 2012-06-04 2013-03-01 Enlight Corp 燈具結構

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4104727C1 (fr) * 1991-02-15 1992-08-27 Herner Glas Bernd Hoffbauer Gmbh & Co Leuchten- Und Industrieglas Kg, 4690 Herne, De
GB2376287A (en) * 2001-05-18 2002-12-11 Michael Gulvin Russell Luminous tile
DE10131837B4 (de) * 2001-06-30 2006-10-05 Spectral Gesellschaft für Lichttechnik mbH Lichtdecke oder Lichtwand
DE102009009653A1 (de) * 2009-02-19 2010-08-26 Zumtobel Lighting Gmbh Leuchte mit wannenförmigem Gehäuse und lichtdurchlässiger Abdeckung
DE202011004361U1 (de) * 2010-08-02 2011-12-07 Wilfried Pöllet Lichtwand mit Montageeinrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6068387A (en) * 1999-01-19 2000-05-30 Cooper Technologies Company Light fixture with trim mounting clip
DE20313428U1 (de) * 2003-08-29 2003-11-27 Hoffmeister Leuchten Gmbh Elektrische Leuchte
EP2192430A2 (fr) * 2008-11-27 2010-06-02 Samsung Electronics Co., Ltd. Dispositif de rétroéclairage et appareil d'affichage l'utilisant
TWM447958U (zh) * 2012-06-04 2013-03-01 Enlight Corp 燈具結構
US20130322069A1 (en) * 2012-06-04 2013-12-05 Enlight Corporation Lamp structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3414487B1 (fr) * 2016-02-08 2022-05-18 Zumtobel Lighting GmbH Système de bande lumineuse à rail de support de forme allongée
EP3270047A3 (fr) * 2016-03-11 2018-04-25 Trilux GmbH & Co. KG Appareil d'éclairage plat

Also Published As

Publication number Publication date
DE202013101769U1 (de) 2014-07-28
EP2796770B1 (fr) 2016-09-07

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