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EP2698577B1 - Luminaire pour éclairer un poste de travail - Google Patents

Luminaire pour éclairer un poste de travail Download PDF

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Publication number
EP2698577B1
EP2698577B1 EP13179714.4A EP13179714A EP2698577B1 EP 2698577 B1 EP2698577 B1 EP 2698577B1 EP 13179714 A EP13179714 A EP 13179714A EP 2698577 B1 EP2698577 B1 EP 2698577B1
Authority
EP
European Patent Office
Prior art keywords
light
lamp
lamp according
lighting means
respect
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.)
Active
Application number
EP13179714.4A
Other languages
German (de)
English (en)
Other versions
EP2698577A3 (fr
EP2698577A2 (fr
Inventor
Sascha Skergeth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2698577A2 publication Critical patent/EP2698577A2/fr
Publication of EP2698577A3 publication Critical patent/EP2698577A3/fr
Application granted granted Critical
Publication of EP2698577B1 publication Critical patent/EP2698577B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • F21S6/006—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting for direct lighting only, e.g. task lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a lamp which has a lamp head in which lighting means and optics are arranged for influencing the light emitted by the lighting means.
  • the present invention relates to a floor lamp for illuminating a workplace.
  • Luminaires of the type described above are often used in offices and are used to illuminate the work surface of a table.
  • EP 2 365 243 A1 known, which shows a corresponding floor lamp according to the preamble of claim 1.
  • US 2008/0062689 A1 a lamp intended for street lighting, which has several LEDs or LED circuit boards as lighting means.
  • the LEDs or LED boards can each be individually inclined in order to achieve a certain desired light distribution.
  • free-standing lamps can be arranged much closer to the workplace compared to lamps attached to the ceiling of a room, the light emitted by these lamps can be used more effectively and, in particular, the workplace can be illuminated more brightly.
  • floor lamps usually have to be arranged on the edge or perimeter of a desk. The reason for this is that the column holding the lamp head must be guided past the table. This means that the lamp head in floor lamps is usually arranged off-center with respect to the area to be illuminated.
  • the present invention is therefore based on the object of specifying a luminaire which has a luminaire head which, in spite of an eccentric arrangement, is suitable for efficiently and effectively illuminating an area.
  • the lamp according to the invention is in particular a floor lamp which is designed to illuminate a workplace. It is provided that a plurality of LEDs arranged in a matrix-like manner are used as the lighting means, with an optical system arranged upstream of the LEDs in order to influence the light output in the desired manner.
  • This optics formed by a reflector system with a plurality of cup-like individual reflectors that form a grid is designed in such a way that, on the one hand, there is an asymmetrical light output in the forward direction with respect to a first direction. Concerning. In a second direction oriented perpendicular to the first direction, however, there is a symmetrical light output, which is achieved in that edge regions of the reflector system are designed for again asymmetrical light output, but are mirror images of one another.
  • a lamp in particular a floor lamp with a lamp head with lighting means and optics for influencing the light emitted by the lighting means
  • the lighting means comprise a plurality of LEDs arranged in a matrix
  • the optics consists of a reflector system upstream of the LEDs, which consists of a plurality of pot-shaped individual reflectors, which form a grid, with each LED being assigned a reflector.
  • the reflector system is designed in such a way that the light is emitted asymmetrically in the forward direction with respect to a first direction.
  • reflectors located in the edge region of the reflector system are designed in such a way that they also emit light asymmetrically to the side or outward with respect to this plane direction.
  • the reflectors located in the mentioned edge areas are designed to be mirror images of one another in order to ultimately bring about a symmetrical light output overall with regard to this second direction.
  • the special design of the optics explained above means that even with an eccentric arrangement of the lamp head, for example at a work station, the work surface located at an angle below the lamp head can be centered and optimally illuminated. Areas to the side of this workplace are also at least slightly illuminated, so that ultimately not just one efficient illumination but also a very pleasant light output for a person using the workplace.
  • This specially optimized light emission characteristic is achieved in a simple and elegant manner through the use of a reflector system which is designed in the manner described above.
  • the lamp head is also designed in such a way that light is emitted towards the top in order to additionally achieve an indirect light emission.
  • the center of the indirect light emission i.e. the most strongly illuminated area on the If the ceiling of a room should be above the work surface to be illuminated as far as possible, asymmetrical light emission is also provided for indirect light emission. This can be achieved, for example, by using additional lighting means in the form of several LED boards which are aligned at an incline.
  • the lateral circumferential surface of the housing of the lamp head also appears illuminated.
  • the housing is made opal at least in the circumferential region and is illuminated by light sources located inside the lamp head. It is preferably provided here that a holding element for these further light sources is arranged in the center of the housing.
  • a flow channel extending through the housing of the lamp head can be formed, which allows air to flow through and thus to dissipate the heat that occurs during operation of the LEDs.
  • the flow channel is formed by two funnel-like or truncated pyramid-like carrier elements for the light sources for direct light output and for indirect light output, these carrier elements being arranged in mirror image to one another and the holding element for the other light sources at the transition area between the two carrier elements is arranged to illuminate the housing.
  • this enables good air circulation and thus dissipation of the heat; on the other hand, the various light sources can be stored in the housing in a very simple and effective manner.
  • Figures 6 and 7 Views of a reflector system used as optics
  • FIGS 8 and 9 Sectional views of the in Figure 7 shown reflector system.
  • the ones in the Figures 1 and 2 Floor lamp according to the invention shown and generally provided with the reference numeral 1 has an angled, ring-like lamp base 2, from which a column 3 extends vertically upward, within which lines for power supply of lamp head 5 and possibly for controlling the various lamps run.
  • the luminaire head 5, which is cuboid, preferably cube-like, is arranged at the upper end of the column 3 and is designed in particular to illuminate a workstation located at an angle below the luminaire head 5.
  • a light emission towards the underside i.e. a so-called direct light emission, is provided.
  • an indirect light emission should preferably also be achieved, for which purpose light is also radiated upwards from the top of the lamp head 5, for example to illuminate the area of a ceiling of a room above the workplace.
  • a third light output is preferably also provided in the form of an illumination of the housing of the lamp head.
  • the lamp head 5 has an opal lamp housing in the circumferential area, which - as will be explained in more detail later - is illuminated by light sources located within the lamp head 5 in order to generate this so-called accent light.
  • the lamp head 5 according to the preferred embodiment is designed in such a way that light is emitted in three different ways, on the one hand directly, on the other hand indirectly and additionally over the circumference of the entrance area of the housing itself.
  • the core element of the present invention is in particular the implementation of the direct Light output, which will be described in more detail below.
  • FIG Figure 3 Before describing in detail the way in which the light is emitted via the underside of the lamp head 5, it should be based on FIG Figure 3 First of all, it will be explained schematically in which way a workstation is to be illuminated with the aid of the lamp 1 according to the invention.
  • the lamp head 5 itself is relatively compact and accordingly - as in FIG Figure 3 shown - does not protrude far into the area of a work surface 101 of a table 100 to be illuminated.
  • the light can be emitted to the underside in a simple manner with larger lamp heads, such a symmetrical one would be Light output in the case of the lamp head 5 of the lamp 1 only insufficiently illuminates the work surface 101 of the table 100.
  • the light is emitted asymmetrically with respect to a first direction I in the forward direction.
  • the central area 102 of the work station 101 is primarily illuminated.
  • the surrounding areas, in particular the areas on both sides of this central area 102 should also be illuminated at least somewhat.
  • Lamp 1 has a very special light emission characteristic, which is achieved with the aid of the specially designed optics of the lamp 1 according to the invention, which are described in more detail below.
  • the lamp head 5 is designed in the shape of a cube and is held on the column 3 in a detachable and preferably height-adjustable manner by means of two clamps 4.
  • the housing 10 of the lamp head 5 is double-walled on the lateral circumference and here preferably consists of a first, inner opal plate 11 and a slightly spaced, externally arranged clear disc 12.
  • This double-walled design in conjunction with the choice of the appropriate materials for the When looking at the lamp 1, both panes 11 and 12 produce an appealing depth effect which - as will be explained in more detail below - is additionally reinforced by the fact that light is emitted via these side walls.
  • the primary light output takes place via the underside of the housing 10, an LED matrix being provided here as the lighting means.
  • several LEDs 16 are arranged flat on a circuit board 15, which is preceded by special optics consisting of a reflector system 25.
  • the LEDs 16 are arranged in such a way that an LED 16 is assigned to each individual reflector 26 of the reflector system 25.
  • Further light sources for indirect light output are arranged on the top of the housing 10.
  • LED boards 17 There are several parallel to each other arranged LED boards 17, the light of which is to be directed onto an area located laterally above the lamp 1.
  • the plates 17 are aligned slightly inclined, as shown, and are arranged on a support 18, which is designed to be correspondingly angled in a wave-like manner and which is preferably made of aluminum.
  • the mounting of the light sources for direct light output as well as indirect light output, i.e. the circuit board 15 with the LEDs 16 and the LED circuit boards 17, takes place via two funnel-like or truncated pyramid-like support elements 20, which are arranged within the housing 10 and on the one hand to the bottom and on the other hand are aligned towards the top.
  • These carrier elements 20 are fastened by means of corresponding brackets 21 on the side of the housing wall facing the clamps 4 or the column 3.
  • the respective illuminants 15, 16 and 17 are fastened to their open end regions.
  • the carrier elements 20 are connected to one another in areas facing one another via a further holding element 22, this holding element 22 being cuboid and serving as a carrier for further LED light sources 23 on its four lateral circumferential surfaces.
  • These further LEDs 23 are each aligned with the four side walls of the housing 10 and serve to illuminate this over its circumference.
  • the light sources which are arranged on the end regions of the two carrier elements 20, are held there in such a way that a certain free space remains in the peripheral region, which allows air to flow through.
  • the carrier elements 20 are provided with openings at their ends facing one another, as is the holding element 22, so that a through opening is formed here which connects the two inner regions of the carrier elements 20 to one another.
  • this forms a flow channel extending through the entire lamp head 5, which allows air to flow through in accordance with the arrows shown.
  • the heat generated during the operation of the various LED light sources can be very effectively dissipated to the upper side by this air flow, so that efficient cooling is achieved. This prevents damage to special components of the lamp 1 due to overheating during operation.
  • the air flow mentioned is increased by the naturally occurring chimney effect.
  • the reflector system 25 is composed of a large number of pot-like individual reflectors 26 which have a square light exit opening on their underside. These reflectors 26 taper over side walls towards the top to a light inlet opening within which an LED 16 of the LED matrix is arranged.
  • Such so-called grid systems are already known in various ways from the prior art and in the past often served to make the light of a single larger light source appear as a plurality of individual light sources.
  • the special feature of the reflector system 25 is now that the individual reflectors 26 are not designed identically. This is based on the representations of Figures 8 and 9 , which each have a section along the line BB and CC from Figure 7 show recognizable. It is shown schematically in Figure 7 the arrangement of the light column 2 is shown in order to better illustrate the design of the individual reflectors 26. It can first be seen here that according to the representation of Figure 8 the reflectors 26 are designed along the direction BB such that the front reflector walls 27 are inclined in comparison to the horizontal.
  • the front reflector walls 27 enclose an angle ⁇ with the horizontal which is approximately 45 °. It is true that this angle of inclination for the front reflector walls 27 can also be varied, but ultimately this configuration has the consequence that a light output is achieved more towards the front side. In other words, the individual reflectors 26 bring about an asymmetrical light output in the forward direction with respect to the direction BB. As a result, as mentioned above, it is achieved in a desired manner that primarily not the area located directly below the lamp head 5, but instead actually the central area of the workplace is illuminated.
  • This asymmetry of the light output in the forward direction is provided for all reflectors 20 of the reflector system 25.
  • the reflectors are designed differently in the direction CC perpendicular thereto, as in the sectional view of FIG Figure 9 can be taken. It can first be seen that the middle rows of reflectors are now designed symmetrically, that is to say, when viewed in this direction, effect a symmetrical light emission.
  • the two outer reflector rows 29, 30, on the other hand again have an asymmetry, in particular the outer sides of the reflectors being designed to be inclined are. In other words, these two lateral reflectors each cause an asymmetrical light emission to the outside so that - as is also desired - lateral areas of the table can be illuminated.
  • the respective outer rows of reflectors 29, 30 are, however, designed to be mirror-symmetrical to one another, that is, the light output of the lamp as a whole is symmetrical in the direction CC.
  • the measures described produce a lamp which, despite its very compact design, enables extremely efficient illumination of a workplace.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (10)

  1. Luminaire (1), en particulier lampadaire, comprenant une tête de luminaire (5) comprenant des moyens d'éclairage, ainsi qu'une optique pour influencer la lumière émise par les moyens d'éclairage,
    les moyens d'éclairage comprenant une pluralité de DEL (16) disposées en forme de matrice et l'optique étant composée d'un système réflecteur (25) disposé en amont des DEL (16), lequel est composé d'une pluralité de réflecteurs individuels (26) réalisés en forme de pot, lesquels forment une grille, un réflecteur (26) étant associé à chaque DEL (16),
    le système réflecteur (25) étant réalisé de telle façon que la lumière est émise de manière asymétrique en direction avant par rapport à une première direction (I), et,
    par rapport à une deuxième direction (II), laquelle est perpendiculaire à la première direction (I), des réflecteurs (25) situés dans la zone de bord du système réflecteur (26) émettent la lumière de manière asymétrique vers l'extérieur et la lumière étant émise de manière symétrique par rapport à la deuxième direction (II).
  2. Luminaire selon la revendication 1,
    caractérisé en ce
    que tous les réflecteurs (26) produisent une émission de lumière asymétrique par rapport à la premier direction (I).
  3. Luminaire selon la revendication 1 ou 2,
    caractérisé en ce
    que les réflecteurs (26) situés dans les zones de bord par rapport à la deuxième direction (II) sont configurés de façon symétrique les uns par rapport aux autres.
  4. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que les réflecteurs (26) situés dans les rangées extérieures ou dans les deux rangées extérieures (29, 30) produisent une émission de lumière asymétrique par rapport à la deuxième direction (II).
  5. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que la tête de luminaire (5) présente sur le côté opposé aux DEL (16) d'autres moyens d'éclairage (17), en particulier des DEL supplémentaires, pour une émission de lumière indirecte, les autres moyens d'éclairage émettant aussi de la lumière de manière asymétrique par rapport à la première direction (I).
  6. Luminaire selon la revendication 5,
    caractérisé en ce
    que les autres moyens d'éclairage (17) sont formés par plusieurs cartes de circuit imprimé à LED, lesquelles sont disposées inclinées.
  7. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que la tête de luminaire (5) présente un boîtier (10), à travers lequel s'étend au moins un canal d'écoulement pour de l'air.
  8. Luminaire selon la revendication 7,
    caractérisé en ce
    que le canal d'écoulement est défini par deux éléments porteurs (20) en forme d'entonnoir ou de pyramide tronquée, lesquels sont disposés de manière symétrique l'un par rapport à l'autre dans le boîtier (10) et aux zones d'extrémité desquels des moyens d'éclairage sont respectivement disposés.
  9. Luminaire selon la revendication 8,
    caractérisé en ce
    que la zone de transition entre les deux éléments porteurs (20) est formée par un élément de support (22) pour d'autres sources de lumière (23),
    la surface circonférentielle du boîtier (10) étant formée par un matériau au moins partiellement transparent, à travers lequel la lumière de ces autres sources de lumière (23) est émise.
  10. Luminaire selon la revendication 9,
    caractérisé en ce
    que la surface circonférentielle du boîtier (10) est réalisée à double paroi, une plaque intérieure (11) étant réalisée opaque ou matte et une plaque extérieure (12) espacée de la plaque intérieure (11) est réalisée claire.
EP13179714.4A 2012-08-13 2013-08-08 Luminaire pour éclairer un poste de travail Active EP2698577B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012103048U DE202012103048U1 (de) 2012-08-13 2012-08-13 Stehleuchte zum Beleuchten eines Arbeitsplatzes

Publications (3)

Publication Number Publication Date
EP2698577A2 EP2698577A2 (fr) 2014-02-19
EP2698577A3 EP2698577A3 (fr) 2014-05-14
EP2698577B1 true EP2698577B1 (fr) 2020-12-02

Family

ID=48917457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13179714.4A Active EP2698577B1 (fr) 2012-08-13 2013-08-08 Luminaire pour éclairer un poste de travail

Country Status (2)

Country Link
EP (1) EP2698577B1 (fr)
DE (1) DE202012103048U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014013467A1 (de) * 2014-09-17 2016-03-17 Haworth Gmbh Lampe

Citations (1)

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Publication number Priority date Publication date Assignee Title
US20080062689A1 (en) * 2006-09-12 2008-03-13 Russell George Villard Led lighting fixture

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Publication number Priority date Publication date Assignee Title
US831311A (en) * 1906-01-26 1906-09-18 Gregory Strootman Lamp shade and protector.
DE19835719C1 (de) * 1998-08-07 1999-09-02 Klotz Leuchte
US6244728B1 (en) * 1999-12-13 2001-06-12 The Boeing Company Light emitting diode assembly for use as an aircraft position light
US6742915B1 (en) * 2003-05-02 2004-06-01 Bruck Lighting Systems, Inc. Lamp with decorative element when illuminated
US20060133098A1 (en) * 2004-12-20 2006-06-22 Ming-Kuei Lin Party lamp
US7686469B2 (en) * 2006-09-30 2010-03-30 Ruud Lighting, Inc. LED lighting fixture
US7828456B2 (en) * 2007-10-17 2010-11-09 Lsi Industries, Inc. Roadway luminaire and methods of use
DE202008006663U1 (de) * 2008-05-16 2008-08-07 Davinci Industrial Inc., Hsin Chuang City Hami-Leuchte
TWI404881B (zh) * 2008-11-24 2013-08-11 Everlight Electronics Co Ltd 照明模組
US8083371B2 (en) * 2009-12-18 2011-12-27 Trend Lighting Corp. Illumination device
DE202010003313U1 (de) * 2010-03-09 2011-08-26 Ridi-Leuchten Gmbh Leuchte
DE102010034996B4 (de) * 2010-04-07 2017-11-02 Siteco Beleuchtungstechnik Gmbh Leuchtengehäuse
GB2481982B (en) * 2010-07-12 2015-01-28 Simon Fussell Light head
DE202010017320U1 (de) * 2010-09-03 2011-12-06 Herbert Waldmann Gmbh & Co Kg Steh- oder Tischleuchte
US20120147589A1 (en) * 2010-12-14 2012-06-14 Todd Farmer System for Providing a Directional LED Array

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080062689A1 (en) * 2006-09-12 2008-03-13 Russell George Villard Led lighting fixture

Also Published As

Publication number Publication date
EP2698577A3 (fr) 2014-05-14
EP2698577A2 (fr) 2014-02-19
DE202012103048U1 (de) 2013-11-14

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