WO2014174083A1 - Module led pour émission de lumière blanche (dite « disposition pizza ») - Google Patents

Module led pour émission de lumière blanche (dite « disposition pizza ») Download PDF

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Publication number
WO2014174083A1
WO2014174083A1 PCT/EP2014/058471 EP2014058471W WO2014174083A1 WO 2014174083 A1 WO2014174083 A1 WO 2014174083A1 EP 2014058471 W EP2014058471 W EP 2014058471W WO 2014174083 A1 WO2014174083 A1 WO 2014174083A1
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WO
WIPO (PCT)
Prior art keywords
light
led module
light field
sectors
field
Prior art date
Application number
PCT/EP2014/058471
Other languages
German (de)
English (en)
Inventor
Thomas LEITGEB
Peter Pachler
Jürgen GUMHOLD
Florian Wimmer
Original Assignee
Tridonic Jennersdorf 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 Tridonic Jennersdorf Gmbh filed Critical Tridonic Jennersdorf Gmbh
Priority to EP14720948.0A priority Critical patent/EP2994689B1/fr
Publication of WO2014174083A1 publication Critical patent/WO2014174083A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • 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
    • F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, 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
    • 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
    • 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
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
    • 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
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
    • 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

  • LED module for emitting white light
  • the present invention relates to an LED module for dispensing
  • the present invention relates to an LED module suitable for lamps having my reflector sizes.
  • the present invention finally relates to a lighting device with built-in LED module. From the prior art LED modules are known which are suitable for emitting white light. These LED modules usually have a light-emitting light field, which is formed by a combination of individual light points. The individual points of light are designed to emit different light spectra. For example, blue light, red light and yellow light generated by a phosphor are emitted from the light spots.
  • Such a known LED module 10 is shown for example in Fig. La. Fig. Lb shows a top view of the same LED module 10.
  • the LED module 10 has a light field 12, which together with others
  • Components 18 is arranged on a module plate 17.
  • the light field 12 is formed of a plurality of light spots 13a, 13b, 13c, each of light from a different wavelength range, d. H. another light spectrum.
  • the light spots 13a, 13b, 13c are generally formed by so-called glob tops (drops of disperse) above the LEDs 16.
  • the known LED module 10 has the disadvantage that it is too large
  • Light field 12 has to implement it with small reflector sizes.
  • FIG. 1b shows that the light field 12 has a diameter of at least 19 mm.
  • the object of the present invention is to provide an LED module for emitting mixed light, preferably white light, which improves the known state of the art.
  • present invention to provide an LED module that is suitable for lights with small reflector sizes. For this purpose, it is an object of the present invention to reduce a total light emitting surface of an LED module.
  • the present invention relates to an LED module for emitting mixed light, preferably white light, comprising a light field divided into a plurality of regions for outputting different light spectra, the regions of the light field being areal sectors.
  • the light field is a light emitting surface of the LED module according to the invention. Due to the planar sector distribution of the light field, it is possible to significantly reduce the total area of the light field in comparison with the total area of a known LED module containing points of light defined by glob tops. Due to the sector arrangement, the total light emission surface of the light field can in particular be reduced by at least 16%. Such a reduction is not possible with the glob top approach known from the prior art. Due to the significant reduction in area of the light field, the LED module according to the invention is also suitable for lights with small reflector sizes.
  • At least two area sectors are provided for each light spectrum.
  • the LED module according to the invention is designed, for example, to emit three different light spectra. In each case a light spectrum is coupled out of at least two of the area sectors of the light field. As a result, a very homogeneous and color-true mixed light, in particular white light, can be generated by the LED module as a whole.
  • the outer contour of the light field is preferably round.
  • the outer contour of the light field is circular.
  • the circular shape is particularly advantageous for lights that have optics with attached reflector.
  • circular islands may be provided in the light field for outputting at least one other spectrum of light, which may be advantageous to
  • Emitting light from the red light spectrum are designed.
  • an LED module can be formed which emits mixed light of three or more different light spectra and thereby has a particularly small Obstlichtabstrahl Stret.
  • the light field can thus be reduced in area.
  • the light field is suitable for emitting white light of a particularly natural light color temperature.
  • the circular sectors are preferably designed for emitting red, blue light and light from a further light spectrum, which is generated by a phosphor.
  • This further light spectrum can be, for example, light from the green and / or yellow light spectrum.
  • circular islands can be provided for emitting red light, so that in this case no red light would have to be provided by the circular sectors.
  • the light field has a diameter of 16 mm or less.
  • the LED module according to the invention is adapted to implement a lamp with small reflector sizes.
  • the LED module further comprises a light diffusion plate, which is arranged at a distance from the light field in the light emission direction of the light field.
  • the light diffuser gives the LED module a more homogeneous
  • the light diffuser also makes it possible to generate a diffused light and adjust the brightness of the LED module.
  • Lichtstreuin may additionally be provided with a phosphor, for example with an additional phosphor layer or embedded phosphor particles.
  • the diffuser is then suitable for influencing the color or color temperature of the light emitted by the LED module as a whole.
  • the lens is separated by a mixing chamber from the top of the light field.
  • different light spectra are preferably not visible from the outside for a viewer.
  • the light field is made with the planar sectors by dams and filling.
  • This method also known as the "dam-and-fiU” method, makes it particularly easy to produce the two-dimensional sectors of the light field.
  • the method enables a much smaller light field than can be achieved with the well-known Glob Top method Prefabricated component which is mounted on a module plate of the LED module.
  • planar sectors of the light field are separated from each other by dams.
  • the two-dimensional sectors of the light field comprise a transparent potting compound or a phosphor containing
  • the individual sectors of the light field are defined by the limiting dams and in the
  • Gaps between the dams is filled with potting compound to make the sectors flat.
  • the potting compound can from a
  • transparent potting compound with added phosphor exist, which is present for example as an undissolved powder or as phosphor particles.
  • the potting compound may also contain dissolved phosphors, i. it can be a phosphor potting compound.
  • a phosphor is generally a material that is excitable by light and then emits a secondary spectrum of light.
  • a phosphor may therefore be a light color conversion material.
  • the phosphor is a phosphor or a fluorescent material. Secondary light from the yellow and / or green spectrum is preferably emitted by the phosphor.
  • the planar sectors are designed at least for emitting light from the red light spectrum, light from the blue light spectrum or light from a further light spectrum generated by a phosphor.
  • the present invention understands light from the red light spectrum light having a wavelength between about 630 and 790 nm, light from the blue light spectrum light having a wavelength between about 390 to 480 nm, light from the green light spectrum light having a wavelength between about 480 and 560 nm and under light from the yellow light spectrum light of a wavelength between 560 and 630 nm.
  • the LED module according to the invention is thereby suitable for emitting white light, in particular natural-looking white light.
  • Natural-looking white light preferably has a light color temperature that corresponds to that of a black body.
  • planar sectors are each provided with at least one LED or one LED strand.
  • the at least one LED or the at least one LED string preferably sits between the baffles of the individual sectors on a module plate of the LED module.
  • the LED or the LED strand are potted with the potting compound. This fixes and protects the LEDs or the LED string.
  • the light emitted by the LED or the LED strand is transported by the potting compound from the LED module and optionally influenced or converted by a phosphor in the potting compound.
  • the LEDs may be, for example, blue-emitting, red-luminescent, green-luminescent, yellow-emitting or UV-emitting LEDs. That delivered by a surface sector
  • Light spectrum can come about through an interaction between at least one LED and the potting compound, or be generated directly from the at least one LED.
  • the present invention further relates to a method for producing an LED module for emitting mixed light, preferably white light, comprising the steps of: generating a light field which is subdivided into area sectors by forming dams, which sectors of the light field Separate, and filling a transparent potting compound or a phosphor-containing potting compound between the dams of each sector.
  • the reduced area of the light field can not be achieved by a conventional Glob Top method.
  • the present invention further relates to a lighting device having at least one LED module as described above and preferably a reflector set on the LED module.
  • the luminaire is designed especially for small reflector sizes.
  • the LED module according to the invention in particular its area-reduced light field is a necessary prerequisite.
  • Figures la and lb show an LED module known in the art.
  • Figures 2a and 2a show a first LED module according to the present invention.
  • Fig. 3 shows an alternative embodiment of a light field for LED module according to the present invention.
  • FIG. 4 shows a further alternative embodiment of a light field for an LED module according to the present invention.
  • FIG. 5 shows the light field shown in Fig. 4 again, in Fig. 5, the respective LED strands and their interconnection are indicated.
  • FIG. 2a shows a three-dimensional lateral view of a first exemplary embodiment of an LED module 1 according to the invention.
  • the LED module 1 is suitable for emitting mixed light, for example for emitting white light.
  • different emitted light spectra are mixed in the LED module l in such a way that the mixed light or the white light of the LED module 1 is produced as an overall impression for a viewer.
  • the LED module 1 has a module plate 7, on which at least one light field 2 is arranged, which is designed to emit the light of the LED module 1.
  • the light field 2 emits the light from its surface area. Furthermore, are advantageously on the
  • Module plate 7 even more components 8 are arranged.
  • These further components 8 may be, for example, electronic components such as drive components, microprocessors, capacities,
  • the electronic components can supply and / or control LEDs 6 or LED strings of the LED module 1 with energy.
  • Components 8 may also include cooling elements for dissipating heat from the module plate 7 and the light field 2, respectively. Furthermore, the cooling elements are also include cooling elements for dissipating heat from the module plate 7 and the light field 2, respectively. Furthermore, the cooling elements are also include cooling elements for dissipating heat from the module plate 7 and the light field 2, respectively. Furthermore, the cooling elements are also include cooling elements for dissipating heat from the module plate 7 and the light field 2, respectively. Furthermore, the
  • Module plate 7 to be provided with attachment means for attaching the LED module 1 in example, a light housing.
  • the module plate 7 has holes for screwing on the LED module 1.
  • the module plate 7 may be, for example, a printed circuit board such as a printed circuit board (PCB).
  • PCB printed circuit board
  • the module plate 7 is advantageously at least partially formed from a material which is used for
  • the light field 2 of the LED module 1 is subdivided into a plurality of areal sectors 3a, 3b, 3c.
  • Each of the sectors 3a, 3b, 3c is designed to emit light from a specific light spectrum.
  • the light field 2 preferably comprises at least a first type of sectors 3a, which emit light from a first light spectrum, and a second type of sectors 3b, which emit light from a second light spectrum.
  • Light field 2 is also a third type of sectors 3c, which emit light from a third light spectrum.
  • more different types of sectors can be used, giving off altogether four or even more different light spectra.
  • the light field 2 preferably comprises at least two sectors 3 a, 3 b, 3 c.
  • the light field 2 may include a first type of sectors 3a that emit light from a blue light spectrum, a second kind of sectors 3b that emit light from a red light spectrum, and a third kind of Sectors 3c, which emit light from a further spectrum of light that of a phosphor such
  • This further light spectrum advantageously comprises the green and / or yellow light spectrum.
  • the different regions of the light field 2 which emit different light spectra are not formed by light points but by area sectors 3a, 3b, 3c, a reduction of the total area of the light field 2 is possible.
  • the total light emission surface of the LED module 1 can therefore be reduced.
  • the light field 2 is round.
  • the light field 2 most preferably has one
  • the diameter of the light field 2 is preferably 16 mm or even less.
  • the area of the light field 2 may be about 200 mm 2 or less and is reduced by 16% in comparison with the prior art.
  • the circular light field 2 preferably has a subdivision into different types of circular sectors 3a and 3b.
  • the light field 2 preferably also has a plurality of circular islands 3 c which are located within the outer contour of the light field 2 are arranged.
  • a circular island 3c may form the center of the light field 2, ie, for example, may form the center of the circular outer contour.
  • further circular islands 3c may for example be arranged at regular intervals along the circumference of the Liehtfeldes 2.
  • the light field 2 as shown in Fig. 2a, a total of eight circular sectors 3a and 3b.
  • the inner division of the planar sectors 3a, 3b, 3c of the light field 2 can also have other shapes than those shown here (cf., for example, FIG. 3).
  • the circular islands 3 c are provided for emitting light from the red spectrum.
  • the true circular sectors 3a and 3b are preferably provided for emitting light from the blue and / or a further light spectrum, which is generated for example by a phosphor.
  • the planar sectors 3a, 3b, 3c of the light field 2 are preferably formed by dams and filling.
  • dams 5 are formed on the module plate 7 of the LED module in a first step, which determine the subsequent structure of the sectors 3a, 3b, 3c.
  • dams 5 By a dam 5 while the outer contour of the light field 2 is formed.
  • dams 5 For subdivision sectors 3a, 3b, 3c, for example rectilinear or curved dams 5 are drawn within the outer contour of the light field 2.
  • dams 5 For the formation of circular islands circular dams 5 within the
  • Outer contour of the light field 2 are formed. Once the dams 5 are formed on the module plate 7, the spaces defined thereby are filled.
  • the filling is carried out either with a transparent potting compound or with a potting compound which is provided with a phosphor, for example with phosphor particles. Phosphor particles may be in the potting compound as a powder Be provided phosphor. Even the potting compound itself can
  • a phosphor is generally characterized in that it can be excited by the light of an LED 6 and then emits a secondary light spectrum.
  • each planar sector 3a, 3b, 3c at least one LED 6 or an LED string is preferably arranged before the filling step. However, these can also be previously embedded in the module plate 7 and the sectors 3a, 3b, 3c are thus formed on the LEDs 6.
  • the dams 5 can also be formed around arranged on the module plate 7 LEDs 6 and LED strands around.
  • the LEDs 6 or LED strands are preferably enclosed by the potting compound, which is filled between the dams 5.
  • the LEDs 6 or LED strands are on the module plate 7 with power supply and preferably controllable.
  • Those sectors 3a, 3b, 3c which are filled with a transparent potting compound are designed to emit light emitted by one or more LEDs 6 unchanged.
  • red and / or blue light can be emitted by a red-emitting and / or blue-emitting LED 6.
  • Those sectors 3a, 3b, 3c which are filled with a potting compound containing a phosphor are adapted to emit light emitted by one or more LEDs 6 in a changed manner. This happens, for example, in that the light of these LEDs 6 excites the phosphor in the potting compound, whereby a secondary light spectrum is emitted from this. For example, yellow light or green light can thereby be generated and emitted.
  • each planar sector 3a, 3b, 3c may be provided with a potting compound that can change the light of the enclosed LED 6 or only some of the sectors 3a, 3b, 3c. It is even possible that each individual sector 3a, 3b, 3c of the light field 2 itself is designed to produce a white light.
  • a blue luminous LED 6 can be used, and can be used for each sector, a different phosphor potting compound as a filling.
  • a white light is generated by a combination of three different white lights and it can be achieved a particularly natural color temperature.
  • the LEDs 6 or LED strands in the various sectors 3 a, 3 b, 3 c of the light field 2 may be individually or jointly controllable such that their luminous color is variable by the control. Furthermore, preferably each LED 6 or LED track can be dimmed individually, for example by means of pulse width modulation.
  • FIG. 2b shows a plan view of the LED module 1.
  • a lens 4 may be arranged, which is shown here as a dashed circle.
  • the diffuser 4 has at least the same diameter as the light field 2, preferably a larger diameter.
  • the diffusing screen 4 may be provided with scattering particles which are selected such that they scatter the light emitted by the light field 2.
  • the scattering particles have a particle size which corresponds approximately to the wavelength of the emitted light spectra.
  • the lens 4 is spaced from the top of the light field 2.
  • the mixing chamber is merely a free space between the light field 2 and the diffuser 4.
  • the mixing chamber is, however, preferably designed to achieve an effective mixing of the different light spectra emitted by the light field 2.
  • optical elements may be provided in the mixing chamber, for example.
  • Optical elements are, for example, lenses or reflectors.
  • the mixing chamber may also be a solid block of a material having a high refractive index, for example, of 1.5 or more. Overall, it is achieved by the mixing chamber and the diffuser 4 together that the individual light spectra from the different area sectors 3a, 3b, 3c of the light field 2 are emitted, no longer from one
  • FIG. 3 shows an alternative embodiment of a light field 2 'for an LED module according to the present invention.
  • the light field 2 In contrast to the light field 2 shown in FIGS. 2 a and 2 b, the light field 2 'comprises no circular islands 3 c but only one circular sector 3 a', 3 V and 3 'for emitting light from one
  • the light field 2 comprises a first sector 3a, the light from a first light spectrum, a second sector 3b, the light from a second light spectrum and a third sector 3c, which can emit light from a third light spectrum.
  • FIG. 4 shows a further alternative embodiment of a light field 2 "for an LED module according to the present invention:
  • the light field 2 does not comprise circular islands 3c but respectively different sectors 3a “, 3b” and 3c "
  • Light field 2 a first type of sectors 3a", the light from a first light spectrum, a second type of sectors 3b ", the light from a second light spectrum and a third type of sectors 3c", which can emit light from a third light spectrum.
  • 5 again shows the light field 2 "illustrated in FIG. 4, the respective LED strands 6" and their interconnection being indicated in FIG. 5.
  • the connecting leads 7 are preferably in the The area between the respective sectors 3a “, 3b", 3c "provided.
  • the light field 2, 2 ', 2 "according to the invention preferably comprises the following layers from the bottom to the top: a highly reflective aluminum layer, an adhesive layer, an FR4 layer, an electrical one conductive copper layer, a solder mask ("solder mask”), a protective layer.
  • the manufacturing method according to the invention of the LED module 1 and the LED module 1 itself make it possible to produce a lighting device having the LED module 1 and preferably an attached reflector. Since the present invention is a reduction of the LED module 1 and the LED module 1 itself make it possible to produce a lighting device having the LED module 1 and preferably an attached reflector. Since the present invention is a reduction of the LED module 1 and the LED module 1 itself make it possible to produce a lighting device having the LED module 1 and preferably an attached reflector. Since the present invention is a reduction of the present invention.
  • Diameter of the light field 2, 2 !, 2 "allows the LED module 1 is particularly advantageous for a luminaire optics with an attached reflector.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Led Device Packages (AREA)

Abstract

L'invention concerne, d'une part, un module LED (1) qui est approprié pour l'émission de lumière mixte, de préférence de lumière blanche. Le module LED (1) présente un champ de lumière luminescent (2), qui est subdivisé en plusieurs zones, pour l'émission de spectres de lumière différents. Les domaines du champ de lumière (2) sont, conformément à l'invention, des secteurs plans (3a, 3b, 3c). Le module LED (1) est produit par un procédé, selon lequel, pour la production du champ de lumière (2), des barrières (5) sont tout d'abord configurées, qui séparent les uns des autres, des secteurs (3a, 3b, 3c) du champ de lumière (2), après quoi, une masse de coulage transparente, ou une masse de coulage renfermant une substance luminescente, est remplie entre les barrières (5) d'un secteur respectif (3a, 3b, 3c). L'invention permet ainsi d'obtenir un dispositif d'éclairage qui présente au moins un module LED (1) et, de préférence, un réflecteur positionné sur le module LED (1).
PCT/EP2014/058471 2013-04-26 2014-04-25 Module led pour émission de lumière blanche (dite « disposition pizza ») WO2014174083A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14720948.0A EP2994689B1 (fr) 2013-04-26 2014-04-25 Module led pour émission de lumière blanche (dite « disposition pizza »)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013207706.8A DE102013207706A1 (de) 2013-04-26 2013-04-26 LED-Modul zur Abgabe von Weißlicht
DE102013207706.8 2013-04-26

Publications (1)

Publication Number Publication Date
WO2014174083A1 true WO2014174083A1 (fr) 2014-10-30

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DE (1) DE102013207706A1 (fr)
WO (1) WO2014174083A1 (fr)

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WO2013015058A1 (fr) * 2011-07-25 2013-01-31 日亜化学工業株式会社 Dispositif d'émission de lumière
US20140197431A1 (en) * 2011-07-25 2014-07-17 Yuta OKA Light emitting device

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EP2994689B1 (fr) 2019-01-09
DE102013207706A1 (de) 2014-10-30

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