EP1033530B1 - Lampe à caractéristiques spectrales multiples - Google Patents

Lampe à caractéristiques spectrales multiples Download PDF

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Publication number
EP1033530B1
EP1033530B1 EP00104273A EP00104273A EP1033530B1 EP 1033530 B1 EP1033530 B1 EP 1033530B1 EP 00104273 A EP00104273 A EP 00104273A EP 00104273 A EP00104273 A EP 00104273A EP 1033530 B1 EP1033530 B1 EP 1033530B1
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EP
European Patent Office
Prior art keywords
light
beam path
lamp
luminaire
wavelength
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
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EP00104273A
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German (de)
English (en)
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EP1033530A2 (fr
EP1033530A3 (fr
Inventor
Kurt-Gerhard Müggenburg
Kai Hendrik Sabla
Tobias Schiebold
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
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Application filed by Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
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Publication of EP1033530A3 publication Critical patent/EP1033530A3/fr
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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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • 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
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F21V5/003—Refractors for light sources using microoptical elements for redirecting or diffusing light using holograms
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F21V7/0016—Reflectors 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
    • 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
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • 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

Definitions

  • the invention relates to luminaires with which light with different spectral properties can be emitted.
  • a simple, well-known possibility is to set a colored in different colors screen of the lamp. Because of the generally diffusely scattering properties of such umbrellas lighting tasks, in which it depends on the geometric radiation characteristics of the individual color components, so that difficult or impossible. Moreover, the light losses are disadvantageous in such umbrellas.
  • the generic, DE 297 10 475 U1 discloses a luminaire which has a central main reflector, via the light exit opening, light of a lamp arranged in the reflector is emitted directly as a direct light component.
  • On both sides of the main reflector transparent light-scattering side body are arranged, in which light is coupled via one or more openings in the wall of the reflector and which emit scattered light at a light exit surface which is adjacent to the light exit opening of the main reflector.
  • These side panels can be colored to create color effects.
  • DE 43 36 023 A1 describes a lamp having a main reflector with a lamp arranged therein, which has a light exit opening for emitting a direct light component. Opposite this light exit opening, a second reflector opening is provided, via which light is emitted to a light-scattering roof reflector, which spans the main reflector. At the second light exit opening of the main reflector, a diffuser may be provided, which may be associated with a colored translucent film.
  • U.S. Patent No. 5,251,116 discloses a lamp in which on the one hand light of a lamp is emitted directly via a downwardly directed light exit opening and on the other hand passed light in a second beam path through a color filter and laterally emitted via a light exit opening in a side wall of the lamp for illuminating an object, wherein through the Color filter is to be avoided, that the illuminated object in the central region of the light cone, which is emitted via the second beam path, appears different in color.
  • this object is achieved by a luminaire according to claim 1.
  • a luminaire according to claim 1 With the solution according to the invention, it is possible to achieve different color effects in different spatial areas.
  • At least two bundles of radiation are spatially separated and as a rule passed through different beam-directing elements in spatially separated beam paths.
  • the lamp can emit white light or, more generally, light with multiple spectral components which can be separated by suitable means (spectral decomposition, absorption, etc.).
  • the wavelength selective element may be a wavelength selective absorbing element, such as a transmission filter. However, preference is given to a colored reflector element, wherein the paint can be painted or anodized.
  • the wavelength-selective element may also be a selective emissive element, and in particular comprise a fluorescent material which is excited by irradiation of preferably white light to a fluorescence emission of a particular color.
  • a wavelength selectivity can also be generated by refraction of light, for example by means of prisms, or by light diffraction, for example by means of diffraction gratings or holograms.
  • the coloring or color change need not be uniform. For example, multicolor mirrors or filters can be used or the spectral decomposition properties of prisms or gratings can be exploited.
  • the invention can be applied in particular to a luminaire having a main reflector in which the lamp is arranged and which defines a light exit opening of the luminaire, via which light of the lamp is emitted substantially directly in a direct beam.
  • the lamp may have a secondary reflector, on which a part of the light of the lamp is irradiated and which reflects this light.
  • the secondary mirror can have beam-expanding or beam-narrowing and accordingly be concave or convex.
  • a prism or another light-directing element is present in one of the beam paths, which may be e.g. the light in this beam path wholly or partially leads to the ceiling.
  • a wavelength-selective element is provided in the beam path, which includes the secondary reflector, while in the beam path from the lamp to said first light exit opening no wavelength-selective element is present.
  • the luminous flux component of the light emitted via the secondary reflector is smaller than that of the directly emitted light.
  • the impression of a colored, preferably transparent background can be generated.
  • the proportion of luminous flux of the undyed light ie the light emitted by the lamp, will be considerably larger as that of the colored light, so that the actual lighting is effected by the undyed light and the colored light sets essentially color accents, without contributing significantly to the lighting.
  • the luminaire has a diffuser element in the first beam path, which uniformizes differences in intensity of the light irradiated thereon and which, in particular, can be provided in the beam path having the secondary reflector.
  • This diffuser element is in use for a user directly or indirectly, e.g. by reflection, visible. It causes the user to perceive a uniformly luminous surface without contours or contrasts, so that the light appears to come essentially from the infinite and, accordingly, the eyes of the observer focus on a point at infinity (optical depth effect).
  • the diffuser element may be an at least partially transparent, backlit element that makes it impossible to resolve details behind that element.
  • a similar effect can also be achieved by a transparent element illuminated from the front and back by the observer, which makes it impossible to resolve details behind this element, for example by a partially transparent reflecting element, which preferably simultaneously serves as a secondary reflector in the arrangement described above can be used.
  • this effect can also be achieved by a spatially homogeneous transmission or reflection, e.g. through the use of extremely diffuse reflective colors and the avoidance of shadows and shadow-casting contours in the area concerned. In either case, a user sees a substantially contourless illuminated or illuminated surface.
  • the diffuser element simultaneously has a coloring effect and consists, for example, of a diffusely scattering, colored, at least partially translucent pane or a colored, diffusely scattering reflector.
  • the angular range in which light is emitted via the first beam path can partially overlap with the area in which light is emitted via the second beam path. With a partial overlap, a soft light transition between different areas can be created.
  • the angular range in which light is emitted via the first beam path is substantially is different from the region in which light is emitted via the second beam path.
  • the luminaire according to the invention can be set up in such a way that the spectral properties of the light emitted via the first beam path vary as a function of an emission angle which lies in a plane perpendicular to the luminaire axis.
  • the spectral properties in dependence on an angle which is parallel to the light axis in a plane vary, so that, for example, a user who moves in space on the ground, sees different colored light at different locations.
  • a prism plate is used to direct colored light in a predetermined direction so that it is radiated in a predetermined spatial area and at a predetermined critical angle.
  • This embodiment has the advantage that the optical depth effect and the light steering are effected by the same element.
  • prisms instead of prisms, other light-directing elements, such as lenses or mirrors can be used, whereby these elements, similar to a prism plate, can be implemented in the form of a microstructure, so for example by a plate whose surface is formed by closely spaced microlenses or a mirror, which has densely adjacent vaults.
  • light-diffractive elements such as holograms or diffraction gratings can be used, which already have a microstructure of their own home and therefore simultaneously provide for a light control and an optical depth effect.
  • the optical depth effect and the light steering are effected by an element and the coloring by another element, for example a colored reflector
  • another element for example a colored reflector
  • all three functions are met by a single element, such as a prism, a diffraction grating or a microstructured colored reflector.
  • an element in particular a prism, is provided in one of the beam paths, which simultaneously fulfills a light-directing and wavelength-selective function in the beam path.
  • the color components which are generated by a wavelength-selective element can be changed or blocked by a user or by an external control.
  • a diaphragm is provided in order to hide light passing through the wavelength-selective element and thus to switch the additionally emitted colored light on or off.
  • the wavelength-selective element is arranged so that its selection properties and thus the color of the light emitted by it can be changed.
  • a simple possibility of implementation is, for example, a revolver unit with various filters that can be rotated in the beam path.
  • the color of the emitted light can be changed, wherein deviations in the beam direction can optionally be corrected by a downstream rotatable mirror.
  • the colored lighting of the room can be temporally changed.
  • the lamp according to the invention can be realized in a variety of applications, for example as recessed luminaire, surface-mounted luminaire or pendant luminaire.
  • the invention opens up new possibilities for room lighting.
  • soft light-dark transitions in particular be realized at the cut-off line.
  • the spectral components of the emitted light can be adjusted in a controlled manner in order to give the viewer a subjectively more pleasant feeling.
  • a recessed ceiling light which is generally designated 1 and having a main reflector 3, which defines a light exit opening 5, via which a first part of the light of a lamp 7, which emits white light, substantially directly downwards is radiated, wherein the edge of the main reflector 3 sets the maximum radiation angle to the vertical, thus causing a glare limitation.
  • 3 raster elements 9 are arranged substantially perpendicular to the lamp axis in the main reflector, which also serve the glare limitation.
  • a lamp housing 11 is provided with a substantially diffusely scattering wall 12 into which a second light exit opening 13 of the Main reflector 3, a second portion of the radiated light from the lamp 7 is irradiated.
  • the light emitted by the lamp 7 initially falls on a roof reflector 15 and is reflected from there to colored additional mirrors 17a and 17b, which are provided on both sides of the main reflector 15 and which reflect the light to two further light exit openings 19a and 19b. Because of the color of the mirrors 17a and 17b, the light exiting through the light exit openings 19a and 19b appears colored.
  • prism plates 21a and 21b which has on one or both surfaces of a prismatic structure, which directs the incident on them or exiting them light in a predetermined direction.
  • the surface with the prismatic structure may face the housing 11 or be away from it. Both are exemplary in Fig. 1 shown by the prism plates 21a and 21b.
  • the two prism plates 21a and 21b may well have different light-directing properties, so that an overall asymmetric radiation of the colored light is achieved.
  • the mirrors 17a and 17b may be differently colored and / or each have different differently colored areas. If a symmetrical distribution of the colored light is desired, however, one will orient the two prism plates 21a and 21b in the same way and otherwise also the light-directing properties and the properties of the coloring elements, e.g. of the reflectors 17a and 17b, choose symmetrically.
  • the mirrors 17a and 17b are considered as coloring elements in the illustrated embodiment, but also, in particular, the prism plates 21a and 21b, which, optionally in combination with beam-limiting elements, such as diaphragms or the like, can select a specific wavelength or a specific wavelength range .
  • Coloring can be achieved instead of refraction, as in prisms, also by diffraction of light, for example by a grating, a hologram or the like.
  • a colored filter can be provided in the beam path of the indirectly emitted light.
  • a fluorescent element is present, which is excited into white light to fluoresce, thereby emitting colored light.
  • the emission direction of the white light emitted from the lamp 7 via the reflector opening 5 can be adjusted and limited independently of the emission direction of the colored light emitted via the light exit openings 19a and 19b.
  • the corresponding radiation areas as in Fig. 2 shown schematically, are set up so that a viewer in an angular range ⁇ sees white light and sees in a subsequent to this angular range angle range ⁇ colored light.
  • the angle range ⁇ can correspond to a work area which is to be brightly illuminated, while the light emission in the angle range ⁇ serves for the general background illumination or the setting of color accents.
  • the reverse constellation is possible, as in Fig.
  • angle range ⁇ and ⁇ can be set differently, as required by the lighting task, as well as this FIGS. 2 and 3 demonstrate. Instead of two areas, as in FIGS. 2 and 3 can be provided, three or more areas may be provided, in each of which light is emitted with other spectral properties; Likewise, the light radiated into the angular range ⁇ can be colored and have a different color than the light radiated into the angular range ⁇ .
  • angle ranges ⁇ and ⁇ for the sake of clarity are shown as sharply delimited angle ranges, which also makes sense in applications where the white or colored light is used for marking purposes, optically delimiting a certain spatial area, is usually the areas ⁇ and ⁇ overlap, so that a soft optical transition between the areas arises.
  • the areas ⁇ and ⁇ can also overlap completely in order to achieve a specific spectral characteristic, for example for the simulation of daylight.
  • the prism plates 21a and 21b have, in addition to their light-directing and possibly also coloring function, the further function of producing an optical depth effect, that is, an observer looking at the light exit openings 19a and 19b does not perceive the end of the luminaire housing, in particular the wall 12, but sees only a uniform luminous surface apparently without limitation in the vertical.
  • This has the physiologically advantageous effect that the eyes of the observer focus on a point at infinity and the eye muscles therefore relax when viewing these light exit openings.
  • This effect of the prismatic disks 21a and 21b, on the one hand transparent to light, on the other hand to make all contours behind disappear, can also be achieved by other means.
  • the function of the light control and the limitation of the emission angle can also be met by the reflectors 12, 15, 17a and 17b as well as the edge of a luminaire housing.
  • FIG. 4 shows a further embodiment of the invention in an application in the form of a suspension lamp.
  • a main reflector 51 is again provided, which is accommodated in a lamp housing 53 and has a lower light exit opening 55 and an upper light exit opening 57.
  • a white light emitting lamp 58 In the lower light exit opening raster elements 59 are provided for glare limitation again in a known manner.
  • the upper light exit opening 57 is completely or partially closed by a light-transmitting coloring element 61, for example a filter, which dyes the light passing through with a specific color.
  • the light emitted upward through the opening 57 is reflected back by a reflecting sail 63.
  • the sail 63 may possibly also be partially transparent.
  • the light-directing properties of the lamp with respect to the colored light are determined in this case primarily by the reflective sail 63, wherein the shape of the upper light exit opening 57 and possibly also the shape of the lamp housing 53 contribute to a beam limitation of the colored light.
  • a colored sail 63 may also be used. It can also be provided that the sail 63 is colored differently in areas which reflect in different spatial areas.
  • the properties of the light guidance, the coloring as well as the generation of the above-described optical depth effect can be achieved by a single element, for example a prism or a diffraction grating.
  • the different functions can be perceived individually or in subcombination also by different elements.
  • the coloring elements can also cause a complete spectral decomposition, so that the color changes continuously as a function of an angle.
  • this angle may be an angle in a plane enclosing the vertical axis.
  • it may also be an angle perpendicular to the vertical in a plane such that a viewer walking in a circle around the lamp sees different colors in different positions.
  • the invention is not limited thereto and also includes multi-lamp embodiments.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Spectrometry And Color Measurement (AREA)

Claims (10)

  1. Appareil d'éclairage comprenant une lampe (7 ; 58) et une ouverture de sortie de lumière (5 ; 55), par laquelle la lumière de la lampe (7; 58) est émise par rayonnement sensiblement direct, et un dispositif (3 ; 51), qui divise la lumière émise par la lampe en au moins deux faisceaux de rayons séparés, qui sont orientés respectivement en fonction de différentes trajectoires de rayons, dans lequel il y a, au moins dans une première trajectoire de rayons, un élément sélectif en longueur d'onde (17a ; 17b ; 61), qui agit comme colorant ou comme modificateur de couleur, tandis qu'il n'y a, au moins dans une seconde trajectoire de rayons, qui inclut ladite ouverture de sortie de lumière (5 ; 55), aucun élément de ce type ou un élément avec d'autres propriétés sélectives en longueur d'onde, si bien que la lumière, qui est émise par l'appareil d'éclairage sur la première trajectoire de rayons, a une couleur différente de la lumière qui est diffusée sur la seconde trajectoire de rayons,
    dans lequel la lumière de la première trajectoire de rayons est orientée vers une surface de sortie de lumière (19a , 19b ; 63) qui est différente de ladite ouverture de sortie de lumière (5 ; 55),
    caractérisé en ce que la direction de rayonnement de la lumière, qui est diffusée sur la première trajectoire de rayons, et la direction de rayonnement de la lumière, qui est diffusée sur la seconde trajectoire de rayons, sont limitées de manière que la zone angulaire (α), dans laquelle la lumière est diffusée sur la première trajectoire de rayons, chevauche partiellement la zone angulaire (β), dans laquelle la lumière est diffusée sur la seconde trajectoire de rayons, ou est connexe à la zone angulaire (β), dans laquelle la lumière est diffusée sur la seconde trajectoire de rayons, et est différente de celle-ci.
  2. Appareil d'éclairage selon la revendication 1, caractérisé par un réflecteur principal (3 ; 51), dans lequel est agencée la lampe (7 ; 58) et qui définit une ouverture de sortie de lumière (5 ; 55) de l'appareil d'éclairage, par laquelle la lumière de la lampe est émise par rayonnement sensiblement direct.
  3. Appareil d'éclairage selon la revendication 2, caractérisé en ce qu'une partie de la lumière de la lampe (7 ; 57) irradie un réflecteur secondaire (12, 15, 17a, 17b ; 63) et est réfléchie par celui-ci, dans lequel, dans la trajectoire de rayons qui inclut le réflecteur secondaire (12, 15, 17a, 17b ; 63), il est prévu un élément sélectif en longueur d'onde (17a, 17b ; 61), tandis que, dans la trajectoire de rayons de la lampe à ladite première ouverture de sortie de lumière (5 ; 55), il n'y a pas d'élément sélectif en longueur d'onde.
  4. Appareil d'éclairage selon l'une quelconque des revendications 1 à 3, caractérisé par un élément diffuseur (21a, 21b ; 31a, 31b ; 63) dans la première trajectoire des rayons, qui homogénéise les différences d'intensité de la lumière qui y est irradiée.
  5. Appareil d'éclairage selon la revendication 4, caractérisé en ce que l'élément diffuseur (21a, 21b ; 31a, 31b ; 63) est au moins partiellement transparent.
  6. Appareil d'éclairage selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les propriétés spectrales de la lumière diffusée sur la première trajectoire de rayons varient en fonction d'un angle de diffusion qui se situe dans un plan perpendiculaire à l'axe de l'appareil d'éclairage.
  7. Appareil d'éclairage selon l'une quelconque des revendications 1 à 6, caractérisé en ce que, dans l'une des trajectoires de rayons, il est prévu un élément qui remplit simultanément une fonction d'orientation de la lumière et une fonction sélective en longueur d'onde dans la trajectoire de rayons.
  8. Appareil d'éclairage selon l'une quelconque des revendications 1 à 7, caractérisé par un dispositif de blocage sélectif d'une trajectoire de rayons qui contient un élément sélectif en longueur d'onde.
  9. Appareil d'éclairage selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les propriétés de sélection de l'élément sélectif en longueur d'onde sont modifiables.
  10. Appareil d'éclairage selon l'une quelconque des revendications 1 à 9, caractérisé en ce que de la lumière témoignant sensiblement des propriétés spectrales de la lampe (7 ; 58) est émise sur la seconde trajectoire de rayons et de la lumière colorée sur la première trajectoire de rayons, dans lequel la fraction de courant lumineux de la seconde trajectoire de rayons est supérieure à celle de la première trajectoire de rayons.
EP00104273A 1999-03-03 2000-03-01 Lampe à caractéristiques spectrales multiples Expired - Lifetime EP1033530B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19909331 1999-03-03
DE19909331A DE19909331C2 (de) 1999-03-03 1999-03-03 Leuchte mit multiplen Spektraleigenschaften

Publications (3)

Publication Number Publication Date
EP1033530A2 EP1033530A2 (fr) 2000-09-06
EP1033530A3 EP1033530A3 (fr) 2001-11-21
EP1033530B1 true EP1033530B1 (fr) 2008-05-28

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EP (1) EP1033530B1 (fr)
AT (1) ATE397188T1 (fr)
DE (2) DE19909331C2 (fr)

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FI122909B (fi) * 2008-01-07 2012-08-31 Naplit Show Oy Valaisinelementti
EP2718612B1 (fr) 2011-07-08 2016-09-14 Philips Lighting Holding B.V. Boîtier de luminaire d'éclairage doté de matériau fluorescent
CN103688105B (zh) * 2011-07-20 2017-02-22 皇家飞利浦有限公司 提供天窗外观的照明元件、照明系统和照明设备

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DE4443916C1 (de) * 1994-12-09 1996-05-09 Zumtobel Licht Reflektoranordnung für eine Leuchte
DE19620659C2 (de) * 1996-05-22 2002-06-27 Zumtobel Licht Leuchte mit einer Lichtaustrittsscheibe
DE29710475U1 (de) * 1997-06-10 1997-08-14 Semperlux GmbH Lichttechnisches Werk, 12277 Berlin Innenleuchte

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EP1033530A2 (fr) 2000-09-06
DE50015177D1 (de) 2008-07-10
DE19909331A1 (de) 2000-09-14
EP1033530A3 (fr) 2001-11-21
DE19909331C2 (de) 2002-05-16
ATE397188T1 (de) 2008-06-15

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