WO2007106020A1 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage Download PDF

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Publication number
WO2007106020A1
WO2007106020A1 PCT/SE2007/000245 SE2007000245W WO2007106020A1 WO 2007106020 A1 WO2007106020 A1 WO 2007106020A1 SE 2007000245 W SE2007000245 W SE 2007000245W WO 2007106020 A1 WO2007106020 A1 WO 2007106020A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
director
arrangement
column
light guide
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.)
Ceased
Application number
PCT/SE2007/000245
Other languages
English (en)
Inventor
Sven-Olof Ovdahl
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.)
OLP LIGHTING PARTNER OLP AB
Original Assignee
OLP LIGHTING PARTNER OLP AB
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 OLP LIGHTING PARTNER OLP AB filed Critical OLP LIGHTING PARTNER OLP AB
Priority to EP07716059A priority Critical patent/EP2008131A1/fr
Publication of WO2007106020A1 publication Critical patent/WO2007106020A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • 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
    • F21V7/0091—Reflectors for light sources using total internal reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0006—Coupling light into the fibre
    • 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
    • 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

Definitions

  • the present invention relates to illumination arrangements, e.g. to indoor and outdoor illumination arrangements.
  • a replacement may e.g. require a ladder, a sky-lift or some other access equipment. Such equipment is often costly and the use of the equipment will typically add time to the replacement.
  • a light source arranged at a large distance from the object to be illuminated usually requires some kind of directivity for the light.
  • this is typically accomplished by simple reflectors having a limited ability to direct the light in various directions and which usually provides a single substantially continuous cone of light, i.e. a rather static and inflexible direction of the light from the light source.
  • a light source arranged at a large distance from the object to be illuminated will typically require a cable or similar for transporting electricity to the light source.
  • the light source is supported by a pole, a column or the like being made of metal (e.g. steel or aluminum) or the like, which increases the risk that the column will come into contact with the cable and become current carrying, e.g. if the cable and/or the light source support is damaged.
  • the height above the roadway is limited La. by the allowed operation height for the above mentioned access equipment such as ladders and sky-lifts etc.
  • the distance from the roadway is determined La. by traffic security regulations.
  • the distance between two adjacent light poles or light columns is determined by La.
  • typical street lights have an unfavorable design in respect of road safety.
  • the poles or columns of the street light have a high dead weight and a high center of gravity, which induces the pole or column to fold when it is hit by a vehicle so as to deform the roof of the vehicle.
  • the heat from the light source will cause dirt, pollen, bugs etc to burn and stuck to the light source or the transparent protective shield if used, which lowers the efficiency of the light arrangement.
  • an improved light arrangement that exhibits at least one of: improved installation and maintenance properties, improved use and operation properties, more resistant to damages, and/or an improved directivity for the light.
  • the invention provides for a light arrangement utilizing optical transportation of light from a light source to a light director for the purpose of illuminating one or several objects.
  • a column arrangement for illuminating an object which column arrangement comprises a light source, a light guide and a light director.
  • the column arrangement is characterized in that:
  • the light source is arranged near a first end of the column arrangement so as to emit light into the light guide;
  • the light guide is arranged to transport the light from the light source to the light director;
  • the light director is arranged at a second end of the column arrangement so as to direct the light onto the object to be illuminated.
  • the light guide can be arranged inside the column arrangement.
  • the light source can likewise be arranged inside the column arrangement.
  • the light guide can be substantially solid and made of a transparent material or a substantially transparent material.
  • the solid light guide can be made of a light weight material such as e.g. PMMA, or similar polymer material that can be easily polished to restore edges to substantially full transparency and which can be joined by dissolving and solidifying to form an almost invisible weld.
  • a light weight material such as e.g. PMMA, or similar polymer material that can be easily polished to restore edges to substantially full transparency and which can be joined by dissolving and solidifying to form an almost invisible weld.
  • the light director can be made of a light weight material such as e.g. PMMA or similar polymer material that can be easily polished to restore edges to substantially full transparency and which can be joined by dissolving and solidifying to form an almost invisible weld.
  • a light weight material such as e.g. PMMA or similar polymer material that can be easily polished to restore edges to substantially full transparency and which can be joined by dissolving and solidifying to form an almost invisible weld.
  • the light director can have the form of a prism.
  • the light director can be shaped as at least one of: a reflective prism and a refractive prism.
  • the light director can be formed so as to guide the light to hit the object to b e illuminated.
  • the light director can be a reflector.
  • the light director can be a saddle shaped reflector.
  • the reflector can be movable so as to assume different distances and angles with respect to the light emitting end of the light guide.
  • the column arrangement can be arranged as a street light.
  • Fig. 1a shows a schematic illustration of a street light 100 according to an embodiment of the present invention.
  • Fig. 1b shows a schematic illustration of a street light 200 according to another embodiment of the present invention.
  • Fig. 2a shows the street light 200 in Fig. 1 B with the schematic addition of an interior light guide 230 and an interior light source 240.
  • Fig. 2b shows a schematic and detailed image of the interior of the lower end of the l-shaped column 210 of the street light 200.
  • Fig. 2c shows another more detailed image of the interior of the lower end of the l-shaped column 210 of the street light 200.
  • Fig. 3a shows the interior as is shown in Fig. 2b, however with the addition of two section lines A-A and B-B.
  • Fig. 3b shows a cross-section of the column 210 and the light guide 230 in Fig. 3a.
  • Fig. 3c shows the same cross-section as in Fig. 3b, however with another light guide.
  • Fig. 3d shows a cross-section of the column 210, the reflector 243 and the light emitter
  • Fig. 4a shows a schematic side view of a light director 420 according to an embodiment of the invention.
  • Fig. 4b shows a schematic top view of the light director 420 in Fig. 4a.
  • Fig. 4c shows details of an exemplifying path for the light traveling in the light director
  • Fig. 5a shows two light directors 420 of the kind shown in Fig. 4a-4c.
  • Fig. 5b shows a top view of the two light directors 420 in Fig. 5a.
  • Fig. 6a shows a view from the side of a light director 620 shaped as an essentially circular disk.
  • Fig. 6b shows a top view of the two light director 620 in Fig. 6a.
  • Fig. 7a shows an embodiment with a saddle shaped reflector for a rectangular illumination profile.
  • Fig. 7b shows an example of a rectangular illumination profile from the saddle shaped reflector.
  • Fig. 1a shows a schematic illustration of a street light 100 according to an embodiment of the present invention.
  • the street light 100 has an L-shaped column 110 arranged on the ground in an upside down position.
  • a light director 120 attached to the "toe" of the L-shape so as to enable an illuminating of the ground below.
  • the light leaving the light director 120 is indicated by two arrows, which illustrate that an embodiment of the light director 120 can be designed to accomplish two or more separate light beams pointing at slightly different angles toward the objects to be illuminated.
  • Fig. 1 b shows a schematic illustration of a street light 200 according to another embodiment of the present invention.
  • the street light 200 has a straight l-shaped column 210 arranged on the ground.
  • a light director 220 attached to enable an illuminating of the ground below.
  • the light leaving the light director 220 is indicated by two arrows illustrating that an embodiment of the light director 220 can accomplish two or more separate light beams pointing at slightly different angles toward the objects to be illuminated.
  • the light is transported to the light director 120, 220 from a light source (not shown in Fig. 1a-1 b) arranged at the bottom end of the column
  • a transportation of light from the light source to the light director 120, 220 is accomplished by one or several light guiding channels (not shown in Fig. 1a-1 b), which are preferably arranged inside the column 110, 210.
  • light guiding channels not shown in Fig. 1a-1 b
  • Fig. 2a shows the street light 200 in Fig. 1B with the addition of an interior light guide 230 arranged along the inside of the l-shaped column 210, and a light source 240 arranged at the lower end of the l-shaped column 210.
  • the light guide 230 is indicated by dashed lines to show that it is preferably arranged so as to extend within the column 210.
  • the light source 240 is likewise preferably arranged within the column 210.
  • other light arrangements may have the light source and the light guide arranged in another way, e.g. outside a possible column 210 or other support for the light director 220.
  • Fig. 1B shows the street light 200 in Fig. 1B with the addition of an interior light guide 230 arranged along the inside of the l-shaped column 210, and a light source 240 arranged at the lower end of the l-shaped column 210.
  • the light guide 230 is indicated by dashed lines to show that it is preferably arranged so as to extend within the
  • FIG. 2b shows a schematic and expanded image of the interior of the lower end of the l-shaped column 210 of the street light 200 in Fig. 1 B.
  • the lower end of the column comprises a light source 240, which in turn comprises a light emitter 241 , a light emitter socket 242 and a reflector 243.
  • the l-shaped column is an example of a suitable column provided with a light source according to an embodiment of the present invention.
  • Other columns having other shapes can also be provided with a light source according to an embodiment of the present invention.
  • the L-shaped column 110 of the street light 100 in Fig. 1A may have the same light source 241 arrange at the lower end of the L- shaped column 110.
  • embodiments of the present invention can be utilized in a vast number of different column arrangements in a vast variety of different environments - outdoors as well as indoors.
  • the light emitter 241 therein has a small light emitting volume and that it has a power of substantially 50-100 W.
  • a suitable light emitter may e.g. be a halogen lamp, a gas discharge lamp containing xenon or krypton, or alternatively one or several high power light emitting diodes (Solid State Lightening Light Emitting Diodes, SSL LEDs).
  • the light emitter socket 242 (if needed) is chosen and/or designed so as to fit the light emitter 241 to be used.
  • the reflector 243 is preferably assuming the form of a part of an ellipsoid, e.g.
  • the reflector has the form of an ellipse or a part of an ellipse that is rotated so as to form a shape that is similar to the half or less of an egg. It is preferred that the ellipsoidal reflector comprises two foci. As can be seen in Fig. 2b the light emitter 241 is preferably arranged in or near one focus point of the ellipsoid-shaped reflector 243, whereas the entrance of the light guide 230 is arranged in or near the other focus point or similar of the ellipsoid- shaped reflector 243. The light from the light emitter 241 is reflected in the reflector 243 so as to enter an entrance end of the light guide 230. This has been schematically indicated in Fig. 2b by two dashed lines pointing at the entrance end of the light guide 230 and each comprising an arrow head.
  • Fig. 2c shows another expanded more detailed image of the interior of the lower end of the l-shaped column 210 of the street light 200.
  • the light guide 230 shaped as a substantially circular rod may e.g. have a diameter of approximately 30 millimeters.
  • the light emitter 241 may e.g. be a lamp shaped as a circular pipe or a finger with a diameter of approximately 14 millimeters and which extends approximately 52 millimeter from the emitter socket 242.
  • the reflector 243 5 forming a part of an ellipsoidal shape may e.g. have a maximum diameter of approximately 96 millimeters and a depth of approximately 52 millimeters.
  • the dimensions in Fig. 2c are examples and that other dimensions are clearly conceivable for other embodiments of the invention.
  • the light source 240 arranged at a distance from the light director 220, as illustrated in Fig. 2a-2b. It will e.g. be much easier and less risky to replace the light emitter 241. It is especially so if the illuminating light comes from a high position, e.g. as in the case with ordinary street lights. It is also an advantage if the illuminating environment makes a replacement risky, e.g. as the case may be in road
  • the light source 240 can be arranged in a safe environment and/or at a low height easily reachable by a service person of average height standing on the ground, whereas the light director can be arranged where the light is needed.
  • the efficiency of the light source 240 is also increased by the use of an advantageous reflector 243 for an improved focusing of the light from the light emitter 241 into the light guide 230.
  • the light guide 230 will now be described in more detail. It is preferred that the light guide
  • the light guide 230 starts at the light source 240 - more precisely substantially in a foci point or similar of the reflector 243 as explained above - and it ends at the light director 220 of the street light
  • the light guide 230 is made of polymethylmethacrylate (PMMA).
  • PMMA polymethylmethacrylate
  • the invention is not limited to a use of PMMA.
  • other suitable transparent or at least semitransparent materials can be used, 35 which are preferably light weight.
  • PMMA polymethylmethacrylate
  • PMMA poly(methyl 2-methylpropanoate), with the chemical formula: (C5O2H8) ⁇ )
  • PMMA is the synthetic polymer of methyl methacrylate. This thermoplastic and transparent plastic is sold by the tradenames Plexiglas, Perspex, Acrylite, Acrylplast, and Lucite and is commonly called acrylic glass or simply acrylic.
  • PMMA has about half the density of glass and it can be joined by using cyanoacrylate cement (so-called "Superglue”) or by using liquid di- or trichloromethane to dissolve the plastic at the joint which then fuses and sets to form an almost invisible weld. PMMA can also be easily polished to restore cut edges to full transparency.
  • Superglue cyanoacrylate cement
  • liquid di- or trichloromethane liquid di- or trichloromethane
  • Fig. 3a shows the same interior as is in Fig. 2b, however with the addition of two section lines A-A and B-B.
  • the first section line A-A cuts the column 210 and the light guide 230 in a radial direction.
  • Fig. 3b the cross-section of the column 210 and the light guide 230 are illustrated seen in the direction of the two arrows A in Fig. 3a.
  • the exemplifying light guide 230 has a substantially circular shape and that it is substantially solid.
  • other embodiments of the invention may use other cross-sections and shapes for the light guide, and the light guide must not necessarily be solid.
  • Another example of a light guide is schematically illustrated in Fig.
  • the light guide 230 in Fig. 3c has an interior that is not solid. Rather, the cross-section in Fig. 3c illustrates that the interior of the light guide 230 can be composed of a bundle of optical light guides 231 with e.g. a substantially circular cross-section. This leaves empty spaces within the light guide 230 that are essentially unable to guide any light.
  • a light guide 230 in the form of a solid rod of a suitable cross-section is that the solidness gives a larger area for guiding light compared to e.g. bundle of light guides which typically leave empty spaces within the light guide 230.
  • the short end of a single substantially solid rod is also much easier to grind and polish so as to accomplish a flat and smooth surface, which is essential for receiving the light from the light emitter 241 with a minimum of losses.
  • optical fibers are used as a plurality of light guides they are typically easier to bend and form, which e.g. may be necessary if the distance from the light source to the light director extends along a curved path, e.g.
  • Fig. 4a shows a schematic side view of a light director 420 according to an embodiment of the present invention.
  • the light director 420 is preferably solid and made of the same material as the light guide, i.e. preferably PMMA. However, other materials are clearly conceivable, e.g. other transparent or at least semitransparent materials preferably of light weight. Even though it is preferred that the light director 420 is solid other embodiments of the light director may have sides made of thin walls or the like leaving the interior of the light director at least partly hollow.
  • At least some of these walls are transparent or at least semi transparent, since this makes it possible to pass at least a part of the light through such walls in one or several directions that are separated from the main direction of the illuminating light, e.g. for illumination of the near surroundings of the light director 420 and not only the more distant surroundings.
  • the light director 420 in Fig. 4a has a shape that is similar to a parallelepiped, i.e. a rectangular box that is skewed.
  • the light director 420 has four long sides that extend essentially parallel to each other. The top and bottom long sides are joined by to two vertical sides opposing each other.
  • each vertical side of the light director 420 has a first short end inclined at an angle of approximately 55° with respect to the bottom long side, and a second short end inclined at an angle of approximately 70° angle with respect to the top long side. This means that the first short side extends at an angle of approximately 55° with respect to the bottom long side and that the second short side extends at an angle of approximately 70° with respect to the top long side.
  • the light director 420 is attached to a light guide 430.
  • the light guide 430 is essentially the same as the light guide 230. However, it is preferred that the light guide 430 has a substantially quadratic or rectangular cross-section so as to fit the box shaped light director 420.
  • Fig. 4b shows a schematic top view of the light director 420 in Fig. 4a.
  • Fig. 4a the light from the light guide 430 has been indicated by an arrow and the light leaving the light director 420 for the purpose of illuminating an object has been indicated by an arrow in asimilar way.
  • Fig. 4c shows details of the traveling path for the light entering the light director 420 from the light guide 430 .
  • the light leaving the light guide 430 is reflected in the first short side of the light director 420 extending at an angle of approximately 55° with respect to the bottom long side as described above.
  • the major part of the light is reflected again in the horizontal top side so as to be directed towards the second short side of the light director 420 that extends at an angle of approximately 70° with respect to the top long side as described above.
  • the light guide 430 may be provided with a shade 440 at the outer end where the light is leaving the light guide 430.
  • the exemplifying shade 440 in Fig. 4c is preferably attached to the light guide 430 so as to extend with an angle of approximately 20° with respect to the upper long side of the light guide 430.
  • the shape of the underside of the shade 440 is preferably curved - e.g. a substantially half cylinder - with a metallic luster so as to reflect the incident light.
  • exemplifying dimensions of the light director 420 in Fig. 4c may be a length of the top long side of approximately 115 millimeters, whereas the bottom long side may be approximately 103 millimeters, plus the approximately 30 millimeters that is occupied by the attached light guide 430.
  • the height of the light director 420 may be approximately 54 millimeters.
  • angles and the dimensions of the light director 420 are chosen with respect to the properties of the material (e.g. the refraction index for the material) of which the light director is made (e.g. PMMA), so that the desired traveling path for the light is achieved for the light inside as well as for the light leaving the light director.
  • the dimensions given above is strictly exemplifying.
  • the indicated angles may be suitable for an illumination from a height of substantially four meters and a distance of up to substantially 30 meters from the column in question.
  • other dimension should be chosen for other geometries.
  • Fig. 5a shows two light directors 420 of the same or similar kind as the one shown in Fig. 4a-4c.
  • the light directors 420 in Fig. 5a are preferably arranged on a rectangular light guide 530 and in opposite directions so as to direct the light in opposite directions.
  • Fig. 5b shows a top view of the two light directors in Fig. 5a.
  • Fig. 6a shows a view from the side of a light director 620 that is shaped as an essentially circular disk.
  • the center of the disc is provided with a cone-shaped recess wherein the walls of the cone have an angle of approximately 55° with respect to the bottom side of the light director 620, i.e. the bottom side of the disc. From the side the light director 620 resembles the light directors 420 as described above with reference to Fig. 4a-4c.
  • the disc shaped light director 620 is preferably attached to a light guide 630 having a substantially circular cross-section.
  • Fig. 6b shows a top view of the light director in Fig. 6a.
  • the light directors 420, 520 and 620 in Fig. 4a-6b falls in the category called prism.
  • a prism is a device used to refract light, reflect it or break it up (to disperse it) into its constituent spectral colors (e.g. the colors of the rainbow).
  • the traditional geometrical shape is that of a triangular prism, with a triangular base and rectangular sides.
  • a prism can assume many other shapes and some types of optical prisms are not in fact in the shape of geometric prisms.
  • the light directors 420 and 520 in Fig. 4a-5b may be perceived as an ordinary prism, whereas the light director 620 may perhaps be perceived as a more unusual prism.
  • the common feature is that the prisms that are used as light directors in embodiments of the present invention are preferably refracting and reflecting prisms, wherein the reflection may be a total internal reflection as illustrated in
  • Fig. 4c or a partial reflection, which admits some of the incident light to pass through the reflecting side of the prism.
  • Fig. 7a discloses an embodiment with a light director in the form of a saddle shaped reflector 710 for a substantially rectangular illumination profile on the ground.
  • the light is emanating from a light source 740 being the same or at least similar to the light source 240 as described above with reference to Fig. 2a-2c.
  • the light is transported in a light guide 730 comprising a plurality of light guides, i.e. a light guide being the same or at least similar to the light guide 230 comprising a bundle of optical light guides 231 as described above with reference to Fig. 3a and 3c.
  • the light emitting ends of the optical light guides are bent and grouped so as to direct light into the underside of the saddle shaped reflector 5 710 at two different points.
  • the light is thereby reflected in the saddle shaped reflector 710, which creates a substantially rectangular illumination profile 750 on the ground below the reflector. This is schematically illustrated in Fig. 7b.
  • the saddle shaped reflector is preferably movable so as to assume 0 different distances and angles with respect to the light emitting fiber ends.
  • the movability of the reflector can be used to create other illumination profiles on the ground below the reflector.
  • Light Director e.g. Prism
  • Light director e.g. circular

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

Abstract

La présente invention concerne un dispositif d'éclairage 100, 200 pour éclairer un objet, et comprenant un dispositif en colonnes 100, 110, 200, 210, une source de lumière 240, et un dispositif d'orientation de lumière 120, 220, 420, 620. Le dispositif d'éclairage 100, 200 est caractérisé en ce que : le dispositif en colonnes 100, 110, 200, 210 comprend un guide de lumière 230, 430, 530, 630 ; la source de lumière 240 est disposée à ou près de l'extrémité du dispositif en colonnes 100, 110, 200, 210 de façon à émettre de la lumière dans le guide de lumière 230, 430, 530, 630 ; le guide de lumière 230, 430, 530, 630 est disposé de façon à transporter la lumière depuis la source de lumière 240 vers le dispositif d'orientation de lumière 120, 220, 420, 620 ; le dispositif d'orientation de lumière 120, 220, 420, 620 est disposé à ou près d'une seconde extrémité du dispositif en colonnes 100, 110, 200, 210 de façon à diriger la lumière sur l'objet à éclairer.
PCT/SE2007/000245 2006-03-14 2007-03-13 Dispositif d'éclairage Ceased WO2007106020A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07716059A EP2008131A1 (fr) 2006-03-14 2007-03-13 Dispositif d'éclairage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78173406P 2006-03-14 2006-03-14
US60/781,734 2006-03-14

Publications (1)

Publication Number Publication Date
WO2007106020A1 true WO2007106020A1 (fr) 2007-09-20

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EP (1) EP2008131A1 (fr)
WO (1) WO2007106020A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2314929A3 (fr) * 2009-10-23 2012-02-15 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'éclairage pour une surface de travail de cuisine et élément de cuisine doté d'une surface de travail de cuisine et d'au moins un dispositif d'éclairage
WO2012158444A3 (fr) * 2011-05-13 2013-01-17 Rambus Inc. Ensemble d'éclairage
US8746934B2 (en) 2010-11-12 2014-06-10 Rambus Delaware Llc Lighting assembly with asymmetrical light ray angle distribution
US9291340B2 (en) 2013-10-23 2016-03-22 Rambus Delaware Llc Lighting assembly having n-fold rotational symmetry
CN105937739A (zh) * 2016-05-23 2016-09-14 长江大学 一种导光式路灯

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WO1990007677A1 (fr) * 1989-01-06 1990-07-12 David, Hilary, Charles Ameliorations apportees aux reverberes
EP0678704A1 (fr) * 1994-04-06 1995-10-25 INFODATA S.a.s. di PICCIAFOCO ROBERTO & C. Candélable d'éclairage routier
SE523500C2 (sv) * 2001-12-18 2004-04-27 Ide P Potential Ab Anordning vid väg- och gatubelysning
SE524492C2 (sv) * 2003-04-01 2004-08-17 Idep Potential Ab Metod och anordning vid ett fiberoptiskt belysningssystem
US6971781B2 (en) * 2004-03-18 2005-12-06 The Boeing Company Remote source lighting

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990007677A1 (fr) * 1989-01-06 1990-07-12 David, Hilary, Charles Ameliorations apportees aux reverberes
EP0678704A1 (fr) * 1994-04-06 1995-10-25 INFODATA S.a.s. di PICCIAFOCO ROBERTO & C. Candélable d'éclairage routier
SE523500C2 (sv) * 2001-12-18 2004-04-27 Ide P Potential Ab Anordning vid väg- och gatubelysning
SE524492C2 (sv) * 2003-04-01 2004-08-17 Idep Potential Ab Metod och anordning vid ett fiberoptiskt belysningssystem
US6971781B2 (en) * 2004-03-18 2005-12-06 The Boeing Company Remote source lighting

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2314929A3 (fr) * 2009-10-23 2012-02-15 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'éclairage pour une surface de travail de cuisine et élément de cuisine doté d'une surface de travail de cuisine et d'au moins un dispositif d'éclairage
US8746934B2 (en) 2010-11-12 2014-06-10 Rambus Delaware Llc Lighting assembly with asymmetrical light ray angle distribution
WO2012158444A3 (fr) * 2011-05-13 2013-01-17 Rambus Inc. Ensemble d'éclairage
US8827531B2 (en) 2011-05-13 2014-09-09 Rambus Delaware Llc Lighting assembly
US9291340B2 (en) 2013-10-23 2016-03-22 Rambus Delaware Llc Lighting assembly having n-fold rotational symmetry
CN105937739A (zh) * 2016-05-23 2016-09-14 长江大学 一种导光式路灯

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