EP3344913B1 - Lighting structure including indirect illumination - Google Patents

Lighting structure including indirect illumination Download PDF

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Publication number
EP3344913B1
EP3344913B1 EP16775764.0A EP16775764A EP3344913B1 EP 3344913 B1 EP3344913 B1 EP 3344913B1 EP 16775764 A EP16775764 A EP 16775764A EP 3344913 B1 EP3344913 B1 EP 3344913B1
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EP
European Patent Office
Prior art keywords
light
face
wall
profile
reflecting
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Application number
EP16775764.0A
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German (de)
French (fr)
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EP3344913A1 (en
Inventor
Jean-Marc Scherrer
Hervé MUNCK
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Normalu SAS
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Normalu SAS
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Classifications

    • 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
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/32—Translucent ceilings, i.e. permitting both the transmission and diffusion of light
    • 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
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/14—Covers for frames; Frameless shades
    • 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
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
    • 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 light structure comprising a wall capable of diffusing the light coming from light means associated with said slab.
  • the luminous structure can be a luminous false ceiling or a luminous slab, the latter being able to be implemented, in particular but not exclusively, to produce luminous walls by integrating directly into false walls (false ceilings, false wall) or by being associated with luminous tiles of the same type to constitute lighting matrices, or to produce luminous decorative elements.
  • a light panel for a false wall comprising a frame having a bottom and sides which protrude from the bottom, a backlighting system comprising light means, of the light-emitting diode type, fixed on the bottom, and a flexible polymer sheet stretched between the sides of the frame facing the light means.
  • a homogeneous diffusion of light is however not always obtained with this type of tile, this depending in particular on the distance separating the sheet from the bottom on which the light means are fixed, as well as on the type and distribution of the means. light on the background.
  • the visible face of the sheet may present with a heterogeneous diffusion of light.
  • visible surface is meant the face visible from the room inside which the slab is mounted.
  • any defects in the web may be visible.
  • the invention aims to remedy these problems by proposing a luminous structure, of the luminous panel or luminous false ceiling type, ensuring homogeneous diffusion of light.
  • the invention also aims to provide a light structure having an improved aesthetic rendering.
  • the invention provides a luminous structure comprising two walls interconnected by at least one profile and luminous means, said walls delimiting with the profile a closed interior space, one of the walls being capable of diffusing the light emitted by the light means, the structure being remarkable in that the other wall has at least one face capable of reflecting the light emitted by the light means, said face being disposed opposite the wall capable of diffusing light and in that the profile comprises at least one slot in which the light means are housed, said slot having an opening on the interior space and being oriented towards said other wall so that the light, at the outlet of the profiled, or directed towards the face of the structure capable of reflecting light.
  • the structure diffuses the light by means of indirect lighting: the light means placed in the slots provided in the profile illuminate the reflecting face which reflects the light on the diffusing wall arranged opposite the reflecting face.
  • This indirect lighting of the diffusing wall makes it possible to ensure a homogeneous diffusion of the light on the diffusing wall, and therefore through the latter. Furthermore, the implementation of such lighting also makes it possible to attenuate any defects in the diffusing wall.
  • the slit is arranged so that the light, leaving the profile, has an oblique optical path with respect to the face capable of reflecting the light.
  • the slot extends along an oblique longitudinal axis with respect to the face capable of reflecting light.
  • the slit is dimensioned to ensure the guiding of the light emitted by the light means towards the face of the structure capable of reflecting the light.
  • the profile comprises a plurality of slots capable of housing each of the light means.
  • said slits are arranged so that when they include light means, the light emitted at the exit of the slits can form optical paths parallel to each other.
  • This configuration contributes to ensuring a homogeneous reflection of the light on the reflecting face of the wall and thus to ensure a homogeneous diffusion on the wall capable of diffusing the light.
  • the slots are distributed equidistant from each other.
  • the slot forms a longitudinal groove extending over all or part of the internal face of the profile.
  • the wall having the face capable of reflecting light is a fabric made of textile or polyvinyl chloride coated with a reflecting layer.
  • the profile would be fixed directly on a reflecting wall or made to reflect at least on the areas to which the structure is to be fixed, provision may be made for the reflecting wall to be formed by the same wall on which the structure is fixed.
  • the wall capable of diffusing light is a fabric made of textile or polyvinyl chloride, translucent or transparent.
  • the profile has an internal face diverging towards the wall capable of diffusing light. This configuration makes it possible to optimize the extent of the scattered light.
  • the light structure can advantageously constitute a light slab or a light false ceiling.
  • the light structure is a light panel 1, of substantially parallelepiped shape, comprising an upper wall 2 and a lower wall 3 connected to each other by four profiles 4 abutting one another so as to form a frame (the frame will subsequently also be designated by the reference 4).
  • the upper 2 and lower 3 walls are arranged to define with the frame 4 a closed interior space 5.
  • the terms “upper” and “lower” are given with reference to the representation of the panel in the figure.
  • the walls designated in the present application as the upper wall and the lower wall respectively constitute the rear wall and the front wall of the slab when the latter is in place in a room, the front wall being the wall visible from inside the room.
  • the upper wall 2 has a reflecting face 20 disposed on the side of the interior space 5.
  • the upper wall 2 can be constituted by a fabric or polyvinyl chloride fabric, a plate or any other flat, rigid structural element. or flexible, covered with a reflective or intrinsically reflective layer.
  • the lower wall 3 is for its part a wall capable of diffusing light.
  • it is formed from a fabric or polyvinyl chloride fabric, translucent or transparent. It can of course be any other thin structural element that diffuses light.
  • the upper 2 and lower 3 walls are fixed to the frame 4 according to known fixing techniques.
  • the hooking on the frame 4 is carried out preferentially, but not exclusively, by means of hooking elements in the form of a harpoon fitted to the peripheral edge of the canvas, the hooking elements in the form of a harpoon cooperating with means of hooked adapted arranged within the frame 4.
  • the frame 4 has an internal face 40 provided with slots 6 in which light means 7 are housed.
  • internal face is meant the face located on the side of the closed interior space 5.
  • the slots 6 are longitudinal grooves (hereinafter also designated by the reference 6) extending over all or part of the internal periphery. of the frame.
  • the grooves 6 are arranged so as to direct the light emitted by the light means 7 in the direction of the reflecting face 20 of the upper wall 2. More particularly, the grooves 6, which have an opening 60 opening into the interior space 5, extend along an oblique longitudinal axis with respect to the reflecting face 20 of the upper wall 2.
  • the frame 4 comprises three longitudinal grooves 6 arranged one above the other in an equidistant manner.
  • the grooves 6 are arranged to have longitudinal axes parallel to each other.
  • the light beams emitted by each section at the outlet of the frame form optical paths parallel to each other and directed towards the reflecting face of the upper wall 2. It is of course obvious that it is a question of 'a particular embodiment, and that there may be provided grooves 6 oriented towards the upper wall 2 at different angles depending on the lighting and visual rendering desired at the outlet of the lower wall 3.
  • the luminous means 7 are placed in the bottom of the grooves 6. It can also be provided to fix the luminous means 7 on the side walls of the grooves without departing from the scope of the invention.
  • the frame 4 of parallelepiped shape and of triangular section, has an internal face 40 which diverges towards the lower wall 3 capable of diffusing light.
  • Such a profile has the advantage of increasing the useful surface for diffusing the light.
  • the light panel is of parallelepiped shape. It is of course obvious that the slab according to the invention is not limited to this shape, and that slabs of circular shape or of any shape can be produced without departing from the scope of the invention. Likewise, the previously described frame is formed of four butted profiles. A frame may also be provided formed of a different number of sections or of a single section, without departing from the scope of the invention.
  • the light structure is a slab.
  • the light structure may be a light false ceiling incorporating all of the characteristics of the slab.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention concerne une structure lumineuse comprenant une paroi apte à diffuser la lumière en provenance de moyens lumineux associés à ladite dalle.The invention relates to a light structure comprising a wall capable of diffusing the light coming from light means associated with said slab.

La structure lumineuse peut être un faux-plafond lumineux ou une dalle lumineuse, cette dernière pouvant être mise en œuvre, notamment mais non exclusivement, pour réaliser des parois lumineuses en s'intégrant directement dans des fausses parois (faux plafonds, faux mur) ou en étant associée avec des dalles lumineuses de même type pour constituer des matrices d'éclairage, ou bien à réaliser des éléments décoratifs lumineux.The luminous structure can be a luminous false ceiling or a luminous slab, the latter being able to be implemented, in particular but not exclusively, to produce luminous walls by integrating directly into false walls (false ceilings, false wall) or by being associated with luminous tiles of the same type to constitute lighting matrices, or to produce luminous decorative elements.

ETAT DE LA TECHNIQUESTATE OF THE ART

Il est connu de réaliser des faux-plafonds lumineux ou des dalles lumineuses en procédant au rétro-éclairage d'un élément sous forme de nappe apte à diffuser la lumière.It is known to produce luminous false ceilings or luminous tiles by backlighting an element in the form of a sheet capable of diffusing light.

On connaît par exemple la demande FR2998315 qui concerne une dalle lumineuse pour fausse paroi, comprenant un châssis présentant un fond et des côtés qui s'étendent en saillie à partir du fond, un système de rétro-éclairage comprenant des moyens lumineux, de type diodes électroluminescentes, fixés sur le fond, et une nappe souple en polymère tendue entre les côtés du châssis en regard des moyens lumineux.For example, we know the demand FR2998315 which relates to a light panel for a false wall, comprising a frame having a bottom and sides which protrude from the bottom, a backlighting system comprising light means, of the light-emitting diode type, fixed on the bottom, and a flexible polymer sheet stretched between the sides of the frame facing the light means.

Une diffusion homogène de la lumière n'est cependant pas toujours obtenue avec ce type de dalles, celle-ci dépendant notamment de la distance séparant la nappe du fond sur lequel les moyens lumineux sont fixés, ainsi que du type et de la répartition des moyens lumineux sur le fond. Suivant la couverture du fond par les moyens lumineux ainsi que la distance de la nappe avec le fond du châssis, la face visible de la nappe pourra présenter avec une diffusion hétérogène de la lumière. Par surface visible, on entend la face visible depuis le local à l'intérieur duquel la dalle est montée.A homogeneous diffusion of light is however not always obtained with this type of tile, this depending in particular on the distance separating the sheet from the bottom on which the light means are fixed, as well as on the type and distribution of the means. light on the background. Depending on the coverage of the bottom by the light means as well as the distance of the sheet from the bottom of the frame, the visible face of the sheet may present with a heterogeneous diffusion of light. By visible surface is meant the face visible from the room inside which the slab is mounted.

Par ailleurs, avec de telles dalles lumineuses, les éventuels défauts de la nappe peuvent être visibles.Moreover, with such luminous tiles, any defects in the web may be visible.

Les documents WO2013036062A , US2007247842A , JP2004186104A , JP2003092006A , WO2015071130 et EP2722454A divulguent des structures lumineuses de l'art antérieur.The documents WO2013036062A , US2007247842A , JP2004186104A , JP2003092006A , WO2015071130 and EP2722454A disclose light structures of the prior art.

L'invention vise à remédier à ces problèmes en proposant une structure lumineuse, du type dalle lumineuse ou faux-plafond lumineux, assurant une diffusion homogène de la lumière.The invention aims to remedy these problems by proposing a luminous structure, of the luminous panel or luminous false ceiling type, ensuring homogeneous diffusion of light.

L'invention vise également à proposer une structure lumineuse ayant un rendu esthétique amélioré.The invention also aims to provide a light structure having an improved aesthetic rendering.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

A cet effet, et selon un premier aspect, l'invention propose une structure lumineuse comprenant deux parois reliées entre elles par au moins un profilé et des moyens lumineux, lesdites parois délimitant avec le profilé un espace intérieur fermé, l'une des parois étant apte à diffuser la lumière émise par les moyens lumineux, la structure étant remarquable en ce que l'autre paroi présente au moins une face apte à réfléchir la lumière émise par les moyens lumineux, ladite face étant disposée en vis-à-vis de la paroi apte à diffuser la lumière et en ce que le profilé comporte au moins une fente dans laquelle les moyens lumineux sont logés, ladite fente présentant une ouverture sur l'espace intérieur et étant orientée vers ladite autre paroi pour que la lumière, en sortie du profilé, soit dirigée vers la face de la structure apte à réfléchir la lumière.To this end, and according to a first aspect, the invention provides a luminous structure comprising two walls interconnected by at least one profile and luminous means, said walls delimiting with the profile a closed interior space, one of the walls being capable of diffusing the light emitted by the light means, the structure being remarkable in that the other wall has at least one face capable of reflecting the light emitted by the light means, said face being disposed opposite the wall capable of diffusing light and in that the profile comprises at least one slot in which the light means are housed, said slot having an opening on the interior space and being oriented towards said other wall so that the light, at the outlet of the profiled, or directed towards the face of the structure capable of reflecting light.

Du fait de l'arrangement du profilé avec les moyens lumineux, la structure diffuse la lumière au moyen d'un éclairage indirect : les moyens lumineux placés dans les fentes prévues dans le profilé éclairent la face réfléchissante laquelle renvoie la lumière sur la paroi diffusante disposée en vis-à-vis de la face réfléchissante. Cet éclairage indirect de la paroi diffusante permet d'assurer une diffusion homogène de la lumière sur la paroi diffusante, et donc au travers de celle-ci. Par ailleurs, la mise en œuvre d'un tel éclairage permet également d'atténuer les éventuels défauts de la paroi diffusante.Due to the arrangement of the profile with the light means, the structure diffuses the light by means of indirect lighting: the light means placed in the slots provided in the profile illuminate the reflecting face which reflects the light on the diffusing wall arranged opposite the reflecting face. This indirect lighting of the diffusing wall makes it possible to ensure a homogeneous diffusion of the light on the diffusing wall, and therefore through the latter. Furthermore, the implementation of such lighting also makes it possible to attenuate any defects in the diffusing wall.

Avantageusement, la fente est arrangée pour que la lumière, en sortie du profilé, présente un trajet optique oblique par rapport à la face apte à réfléchir la lumière. Pour ce faire, et selon un mode de réalisation particulier, la fente s'étend suivant un axe longitudinal oblique par rapport à la face apte à réfléchir la lumière.Advantageously, the slit is arranged so that the light, leaving the profile, has an oblique optical path with respect to the face capable of reflecting the light. To do this, and according to a particular embodiment, the slot extends along an oblique longitudinal axis with respect to the face capable of reflecting light.

Selon l'invention, la fente est dimensionnée pour assurer le guidage de la lumière émise par les moyens lumineux vers la face de la structure apte à réfléchir la lumière.According to the invention, the slit is dimensioned to ensure the guiding of the light emitted by the light means towards the face of the structure capable of reflecting the light.

Avantageusement, le profilé comporte une pluralité de fentes apte à loger chacune des moyens lumineux. Selon une configuration particulièrement avantageuse, lesdites fentes sont agencées de telle sorte que lorsqu'elles comportent des moyens lumineux, la lumière émise en sortie des fentes peut former des trajets optiques parallèles entre eux. Cette configuration contribue à assurer une réflexion homogène de la lumière sur la face réfléchissante de la paroi et ainsi d'assurer une diffusion homogène sur la paroi apte à diffuser la lumière. Selon une configuration avantageuse, les fentes sont réparties de manière équidistante les unes des autres.Advantageously, the profile comprises a plurality of slots capable of housing each of the light means. According to a particularly advantageous configuration, said slits are arranged so that when they include light means, the light emitted at the exit of the slits can form optical paths parallel to each other. This configuration contributes to ensuring a homogeneous reflection of the light on the reflecting face of the wall and thus to ensure a homogeneous diffusion on the wall capable of diffusing the light. According to an advantageous configuration, the slots are distributed equidistant from each other.

Avantageusement, la fente forme une rainure longitudinale s'étendant sur tout ou partie de la face interne du profilé.Advantageously, the slot forms a longitudinal groove extending over all or part of the internal face of the profile.

Avantageusement, la paroi présentant la face apte à réfléchir la lumière est une toile en textile ou en polychlorure de vinyle revêtue d'une couche réfléchissante. Dans le mode de réalisation particulier où le profilé serait fixé directement sur une paroi réfléchissante ou rendue réfléchissante au moins sur les zones sur lesquelles la structure doit être fixée, il peut être prévu que la paroi réfléchissante soit formée par la paroi même sur laquelle la structure est fixée.Advantageously, the wall having the face capable of reflecting light is a fabric made of textile or polyvinyl chloride coated with a reflecting layer. In the particular embodiment where the profile would be fixed directly on a reflecting wall or made to reflect at least on the areas to which the structure is to be fixed, provision may be made for the reflecting wall to be formed by the same wall on which the structure is fixed.

Avantageusement, la paroi apte à diffuser la lumière est une toile en textile ou en polychlorure de vinyle, translucide ou transparente.Advantageously, the wall capable of diffusing light is a fabric made of textile or polyvinyl chloride, translucent or transparent.

Selon l'invention, le profilé présente une face interne divergeant vers la paroi apte à diffuser la lumière. Cette configuration permet d'optimiser l'étendue de la lumière diffusée.According to the invention, the profile has an internal face diverging towards the wall capable of diffusing light. This configuration makes it possible to optimize the extent of the scattered light.

La structure lumineuse peut constituer avantageusement une dalle lumineuse ou un faux-plafond lumineux.The light structure can advantageously constitute a light slab or a light false ceiling.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres objets et avantages de l'invention apparaîtront au cours de la description qui suit, faite en référence à la figure unique laquelle représente une vue en coupe d'une structure lumineuse selon un exemple de réalisation de l'invention.Other objects and advantages of the invention will become apparent from the description which follows, given with reference to the single figure which represents a view in section of a luminous structure according to an exemplary embodiment of the invention.

DESCRIPTION DETAILLEE DES FIGURESDETAILED DESCRIPTION OF THE FIGURES

En relation avec la figure unique, la structure lumineuse est une dalle lumineuse 1, de forme sensiblement parallélépipédique, comprenant une paroi supérieure 2 et une paroi inférieure 3 reliées entre elles par quatre profilés 4 aboutés les uns aux autres de sorte à former un cadre (le cadre sera par la suite désigné également par la référence 4).In relation to the single figure, the light structure is a light panel 1, of substantially parallelepiped shape, comprising an upper wall 2 and a lower wall 3 connected to each other by four profiles 4 abutting one another so as to form a frame ( the frame will subsequently also be designated by the reference 4).

Les parois supérieure 2 et inférieure 3 sont agencées pour délimiter avec le cadre 4 un espace intérieur fermé 5.The upper 2 and lower 3 walls are arranged to define with the frame 4 a closed interior space 5.

Les termes « supérieur » et « inférieur » sont donnés en référence avec la représentation de la dalle sur la figure. Cependant, et comme on le comprendra plus loin, les parois désignées dans la présente demande comme paroi supérieure et paroi inférieure constituent respectivement la paroi arrière et la paroi avant de la dalle lorsque cette dernière est en place dans un local, la paroi avant étant la paroi visible depuis l'intérieur du local.The terms “upper” and “lower” are given with reference to the representation of the panel in the figure. However, and as will be understood below, the walls designated in the present application as the upper wall and the lower wall respectively constitute the rear wall and the front wall of the slab when the latter is in place in a room, the front wall being the wall visible from inside the room.

La paroi supérieure 2 présente une face réfléchissante 20 disposée du côté de l'espace intérieur 5. Avantageusement, la paroi supérieure 2 peut être constituée par une toile en textile ou en polychlorure de vinyle, une plaque ou tout autre élément de structure plan, rigide ou souple, recouvert d'une couche réfléchissante ou intrinsèquement réfléchissant.The upper wall 2 has a reflecting face 20 disposed on the side of the interior space 5. Advantageously, the upper wall 2 can be constituted by a fabric or polyvinyl chloride fabric, a plate or any other flat, rigid structural element. or flexible, covered with a reflective or intrinsically reflective layer.

La paroi inférieure 3 est quant à elle une paroi apte à diffuser la lumière. Avantageusement, elle est formée d'une toile textile ou en polychlorure de vinyle, translucide ou transparente. Il peut bien entendu s'agir de tout autre élément de structure de faible épaisseur et diffusant la lumière.The lower wall 3 is for its part a wall capable of diffusing light. Advantageously, it is formed from a fabric or polyvinyl chloride fabric, translucent or transparent. It can of course be any other thin structural element that diffuses light.

Les parois supérieure 2 et inférieure 3 sont fixées sur le cadre 4 selon des techniques de fixation connues. Lorsque les parois sont constituées par des toiles, l'accroche sur le cadre 4 est réalisée préférentiellement, mais non exclusivement, au moyen d'éléments d'accroche en forme de harpon équipant la bordure périphérique de la toile, les éléments d'accroché en forme de harpon coopérant avec des moyens d'accroché adaptés ménagés au sein du cadre 4.The upper 2 and lower 3 walls are fixed to the frame 4 according to known fixing techniques. When the walls are made of canvas, the hooking on the frame 4 is carried out preferentially, but not exclusively, by means of hooking elements in the form of a harpoon fitted to the peripheral edge of the canvas, the hooking elements in the form of a harpoon cooperating with means of hooked adapted arranged within the frame 4.

Le cadre 4 présente une face interne 40 pourvue de fentes 6 dans lesquelles des moyens lumineux 7 sont logés. Par face interne, on entend la face située du côté de l'espace intérieur fermé 5. Avantageusement, les fentes 6 sont des rainures longitudinales (par la suite également désignées par la référence 6) s'étendant sur tout ou partie de la périphérie interne du cadre. Les rainures 6 sont arrangées de manière à orienter la lumière émise par les moyens lumineux 7 en direction de la face réfléchissante 20 de la paroi supérieure 2. Plus particulièrement, les rainures 6, qui présentent une ouverture 60 débouchant dans l'espace intérieur 5, s'étendent suivant un axe longitudinal oblique par rapport à la face réfléchissante 20 de la paroi supérieure 2.The frame 4 has an internal face 40 provided with slots 6 in which light means 7 are housed. By internal face is meant the face located on the side of the closed interior space 5. Advantageously, the slots 6 are longitudinal grooves (hereinafter also designated by the reference 6) extending over all or part of the internal periphery. of the frame. The grooves 6 are arranged so as to direct the light emitted by the light means 7 in the direction of the reflecting face 20 of the upper wall 2. More particularly, the grooves 6, which have an opening 60 opening into the interior space 5, extend along an oblique longitudinal axis with respect to the reflecting face 20 of the upper wall 2.

Dans le mode de réalisation illustré, le cadre 4 comporte trois rainures longitudinales 6 disposées les unes au dessus des autres de manière équidistante.In the illustrated embodiment, the frame 4 comprises three longitudinal grooves 6 arranged one above the other in an equidistant manner.

Afin d'offrir un éclairage uniforme, les rainures 6 sont agencées pour présenter des axes longitudinaux parallèles entre eux. Ainsi, du fait de cette configuration, les faisceaux lumineux émis par chaque profilé en sortie du cadre forme des trajets optiques parallèles entre eux et dirigés vers la face réfléchissante de la paroi supérieure 2. Il est bien entendu évident qu'il s'agit d'un mode de réalisation particulier, et qu'il peut être prévu des rainures 6 orientées vers la paroi supérieure 2 selon des angles différents suivant l'éclairage et le rendu visuel souhaités en sortie de la paroi inférieure 3.In order to provide uniform illumination, the grooves 6 are arranged to have longitudinal axes parallel to each other. Thus, due to this configuration, the light beams emitted by each section at the outlet of the frame form optical paths parallel to each other and directed towards the reflecting face of the upper wall 2. It is of course obvious that it is a question of 'a particular embodiment, and that there may be provided grooves 6 oriented towards the upper wall 2 at different angles depending on the lighting and visual rendering desired at the outlet of the lower wall 3.

Dans le mode de réalisation illustré, les moyens lumineux 7 sont placés dans le fond des rainures 6. Il peut être également prévu de fixer les moyens lumineux 7 sur les parois latérales des rainures sans sortir du cadre de l'invention.In the illustrated embodiment, the luminous means 7 are placed in the bottom of the grooves 6. It can also be provided to fix the luminous means 7 on the side walls of the grooves without departing from the scope of the invention.

De même, le cadre 4, de forme parallélépipédique et de section triangulaire, présente une face interne 40 divergent vers la paroi inférieure 3 apte à diffuser la lumière. Un tel profil a pour avantage d'accroitre la surface utile pour diffuser la lumière.Likewise, the frame 4, of parallelepiped shape and of triangular section, has an internal face 40 which diverges towards the lower wall 3 capable of diffusing light. Such a profile has the advantage of increasing the useful surface for diffusing the light.

Dans le mode de réalisation précédemment décrit, la dalle lumineuse est de forme parallélépipédique. Il est bien entendu évident que la dalle selon l'invention n'est pas limitée à cette forme, et qu'il peut être réalisé des dalles de forme circulaire ou de forme quelconque sans sortir du cadre de l'invention. De même le cadre précédemment décrit est formé de quatre profilés aboutés. Il peut être également prévu un cadre formé d'un nombre différent de profilés ou d'un seul profilé, sans sortir du cadre de l'invention.In the embodiment described above, the light panel is of parallelepiped shape. It is of course obvious that the slab according to the invention is not limited to this shape, and that slabs of circular shape or of any shape can be produced without departing from the scope of the invention. Likewise, the previously described frame is formed of four butted profiles. A frame may also be provided formed of a different number of sections or of a single section, without departing from the scope of the invention.

Dans l'exemple qui vient d'être décrit, la structure lumineuse est une dalle. Selon un autre exemple de réalisation, la structure lumineuse peut être un faux-plafond lumineux reprenant l'ensemble des caractéristiques de la dalle.In the example which has just been described, the light structure is a slab. According to another exemplary embodiment, the light structure may be a light false ceiling incorporating all of the characteristics of the slab.

L'invention est décrite dans ce qui précède à titre d'exemple. Il est entendu que l'homme du métier est à même de réaliser différentes variantes de réalisation de l'invention.The invention is described in the foregoing by way of example. It is understood that a person skilled in the art is able to carry out different variant embodiments of the invention.

Claims (8)

  1. Light structure (1) comprising two walls (2, 3) interconnected by at least one profile (4) and light means (7), wherein said walls (2,3) define, with the profile (4), a closed interior space (5), one of the walls (3) being able to diffuse the light emitted by the light means, the other wall (2) having at least one face (20) able to reflect the light emitted by the light means, said face being arranged vis-à-vis the wall (3) capable of diffusing light, the profile (4) comprising at least one slot (6) in which the light means (7) are housed, said slot (6) having an opening (60) on the interior space (5) and being oriented towards said other wall (2) so that the light, leaving the profile (4), is directed towards the face (20) capable of reflecting the light, characterized in that the slot (6) is dimensioned to ensure the guiding of the light emitted by the light means (7) towards the face (20) capable of reflecting the light, and in that the profile (4) has an internal face (40) diverging towards the wall (3) capable of diffusing light.
  2. Light structure (1) according to Claim 1, characterized in that the slot (6) is arranged so that the light, leaving the profile (4), has an oblique optical path with respect to the face (20) capable of reflecting the light.
  3. Light structure (1) according to Claim 1 or Claim 2, characterized in that the slot (6) extends along a longitudinal axis oblique with respect to the face (20) capable of reflecting light.
  4. Light structure (1) according to any one of the preceding claims, characterized in that the profile (4) comprises a plurality of slots (6) capable of accommodating each of the light means (7), said slots (6) being arranged such that, when they include light means, the light emitted at the output of said slots forms optical paths parallel to each other.
  5. Light structure (1) according to the preceding claim, characterized in that the slots (6) are distributed equidistant from each other.
  6. Light structure (1) according to any one of the preceding claims, characterized in that the slot (6) forms a longitudinal groove extending over all or part of the internal face (40) of the profile (4).
  7. Light structure (1) according to any one of the preceding claims, characterized in that the wall (2), having the face capable of reflecting light, is a fabric made of textile or polyvinyl chloride coated with a reflecting layer.
  8. Light structure (1) according to any one of the preceding claims, characterized in that the wall (3) capable of diffusing light is a translucent or transparent fabric made of textile or polyvinyl chloride.
EP16775764.0A 2015-09-02 2016-09-02 Lighting structure including indirect illumination Active EP3344913B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1558134A FR3040467B1 (en) 2015-09-02 2015-09-02 LIGHT STRUCTURE INCLUDING INDIRECT LIGHTING
PCT/FR2016/052174 WO2017037397A1 (en) 2015-09-02 2016-09-02 Lighting structure including indirect illumination

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EP3344913A1 EP3344913A1 (en) 2018-07-11
EP3344913B1 true EP3344913B1 (en) 2020-12-30

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WO (1) WO2017037397A1 (en)

Citations (1)

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Publication number Priority date Publication date Assignee Title
US20150009653A1 (en) * 2013-07-03 2015-01-08 Manufacturing Resources International, Inc. Airguide Backlight Assembly

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JP2003092006A (en) * 2001-09-19 2003-03-28 Yamada Shomei Kk Lighting equipment and illumination light
JP2004186104A (en) * 2002-12-06 2004-07-02 Yamada Shomei Kk Lighting equipment
US7766511B2 (en) * 2006-04-24 2010-08-03 Integrated Illumination Systems LED light fixture
US8197105B2 (en) * 2009-08-13 2012-06-12 Intematix Corporation LED-based lamps
CN102606901B (en) * 2011-01-25 2014-05-07 海洋王照明科技股份有限公司 LED (light emitting diode) planar light source
US9605814B2 (en) * 2011-09-08 2017-03-28 Lg Innotek Co., Ltd. Lighting module
AT13090U1 (en) * 2012-10-16 2013-06-15 Newtec Deko Gmbh illuminated ceiling
DE102013211206A1 (en) * 2013-06-14 2014-12-18 Osram Gmbh Luminaire with remote to a semiconductor light source phosphor carrier
JP6067946B2 (en) * 2013-11-18 2017-01-25 フィリップス ライティング ホールディング ビー ヴィ Acoustic Lighting Tile

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Publication number Priority date Publication date Assignee Title
US20150009653A1 (en) * 2013-07-03 2015-01-08 Manufacturing Resources International, Inc. Airguide Backlight Assembly

Also Published As

Publication number Publication date
EP3344913A1 (en) 2018-07-11
FR3040467A1 (en) 2017-03-03
WO2017037397A1 (en) 2017-03-09
FR3040467B1 (en) 2020-07-17
ES2865304T3 (en) 2021-10-15

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