EP2409293A1 - Dispositif d'éclairage et utilisation - Google Patents

Dispositif d'éclairage et utilisation

Info

Publication number
EP2409293A1
EP2409293A1 EP10708931A EP10708931A EP2409293A1 EP 2409293 A1 EP2409293 A1 EP 2409293A1 EP 10708931 A EP10708931 A EP 10708931A EP 10708931 A EP10708931 A EP 10708931A EP 2409293 A1 EP2409293 A1 EP 2409293A1
Authority
EP
European Patent Office
Prior art keywords
lighting device
leds
support plate
layer
led
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.)
Withdrawn
Application number
EP10708931A
Other languages
German (de)
English (en)
Inventor
Gernot Eberle
Benjamin Ingolf Stubbe
Brice Parmentier
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.)
SUISSE TECHNOLOGY PARTNERS AG
Original Assignee
3A Technology and Management AG
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 3A Technology and Management AG filed Critical 3A Technology and Management AG
Publication of EP2409293A1 publication Critical patent/EP2409293A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • 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
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a lighting device, comprising a multilayer support plate having a plurality of through openings, in each of which an LED (light emitting diode, luminescent diode, light emitting diode) is accommodated. Furthermore, the invention relates to the use of such a carrier plate.
  • the applicant seeks protection for a carrier plate for LEDs, wherein a plurality of rows of receiving openings for the LEDs are provided in the carrier plate and the LEDs are connected, at least partially, to one another by lines.
  • the recording breakthroughs for the LEDs are continuously contoured rectangular.
  • it was already considered to use as a carrier plate multilayer composite panels, in particular the marketed under the brands Alucobond ® and Alucore ® by the applicant plates, each having cover plates made of aluminum.
  • delamination phenomena of individual layers of the composite panels can occur when they are used as a support plate for LEDs. This is to be avoided, in particular for aesthetic reasons and with regard to ensuring a long service life of a corresponding lighting device.
  • the invention is therefore based on the object, a lighting device comprising a multilayer composite support plate to specify, are avoided in the Delaminationserscheinitch individual layers. Furthermore, there is the Task is to specify a use for such a lighting device.
  • This object is achieved in a generic luminous device in that the LEDs receiving through holes have a circular cross-sectional area.
  • the use of the object is achieved by the use of the lighting device as a facade panel and / or scoreboard.
  • the cause of the delamination of individual layers of a multilayer support plate was unclear.
  • the invention has recognized that the Delaminationserscheinitch in known lighting devices are surprisingly due to the rectangular contour of the through holes for receiving the LEDs.
  • the invention has also recognized that, surprisingly, the delamination effects can be avoided by the realization of passage openings with circular cross-sectional areas.
  • the circular cross section is provided at each axial position of the passage openings, ie, the inner circumference of the passage openings is preferably cylinder inner shell-shaped.
  • the realization of circularly contoured passage openings entails the problem that the previously customary, rectangular contoured LEDs are not or can only be used with difficulty.
  • the passage openings can be produced for example by machining, preferably by drilling. It is also possible to cut the circularly contoured passage openings, for example by means of a laser or water jet, or punch out of the carrier plate.
  • At least part of the LEDs which are preferably arranged in several rows, are connected to one another via at least one common electrical conductor, i. that not all LEDs are individually contacted with two conductors.
  • the preassembled lighting module is preferably characterized in that several LEDs are already contacted to one another via at least one common electrical connection line.
  • the use of such a pre-assembled lighting module facilitates the installation of the proposed lighting device considerably.
  • the preassembled light module as a fairy lights, in the way this is used as a Christmas tree ornament, formed.
  • LEDs of the preassembled lighting module are already arranged at a fixed distance from one another on a frame or on a carrier rail in order to carry out the assembly steps for mounting the preassembled lighting module to the carrier module. plate further reduce because the entire light module is easy to install by inserting it backward.
  • the lighting device in which the LEDs do not rest over their entire circumferential extent flush with the inner cylindrical inner circumference of the through holes, but in which a circumferential gap between each one LED and the inner circumference of the associated passage opening is formed, and it still further it is preferred if the circumferential gap extends over at least 50%, preferably at least 70%, more preferably at least 80%, of the circumferential extent of the respective LED, ie only partially interrupted by yet to be explained, radial spacers.
  • the realization of such a circumferential gap allows the passage of moisture, in particular water, whereby the damming of moisture in an area above the LED is advantageously avoided.
  • each LED has a plastic housing, which is supported by integral spacers on the inner circumference of the associated passage opening.
  • the spacers are preferably distributed uniformly over the circumference, wherein the sum of the circumferential extents of the spacers is preferably (substantially) less than the circumferential extent of the remaining circumferential gap.
  • the LED housing is in two parts, in particular in the form of a shell housing, wherein even more preferably a front shell of the housing is formed of transparent plastic. to allow passage of the generated light radiation.
  • the LED housing has a circular base contour, so that the housing is uniformly spaced from the inner circumference of the passage opening, wherein the housing contour is preferably arranged concentrically to the inner circumference of the associated passage opening via the spacers.
  • the spacers project beyond the circular housing base contour in the radial direction to the outside in order to be supported on the inner circumference of the passage opening can.
  • the LEDs are fixed by latching means on the support plate, wherein the locking means preferably an integral part of the LEDs, preferably the LED housing , are.
  • the latching means may comprise, for example, a latching lug which digs against the carrier plate, preferably by, as will be explained later, the at least one latching lug engaging in a, preferably comparatively soft, intermediate layer of the carrier plate.
  • the locking means are arranged for fixing the LEDs on the support plate to the integral spacers of the LED housing, wherein the spacers essentially has a radial Abstutzfunktion and the locking means an axial securing function.
  • the latching means are arranged radially engaging in a layer arranged below the covering layer of the carrier plate, in particular an intermediate layer, preferably of plastic.
  • an executive form from behind the front cover layer of the support plate is advantageously avoided, which in particular has a positive effect on the visual appearance of the carrier plate front page, since the LEDs, here the locking means, do not protrude to this front.
  • the LEDs in particular the LED housings, each with a lateral contact connection, preferably for receiving a plug-in contact.
  • a plurality of through holes preferably all through holes of a series of through holes are connected to each other via at least one cable channel, wherein the cable channel, for example, as groove (groove-shaped, ie open on one side) may be formed on the backing plate back and / or in an intermediate layer closed by cover plates of the carrier plate formed as a composite plate.
  • the cable channel for example, as groove (groove-shaped, ie open on one side) may be formed on the backing plate back and / or in an intermediate layer closed by cover plates of the carrier plate formed as a composite plate.
  • At least the front side that is to say a front cover layer made of metal, preferably made of light metal or a light metal alloy, in particular made of aluminum or an aluminum alloy. tion is formed, wherein it is even more preferred if two at least one intermediate layer sandwich-receiving cover layers are formed in such a way.
  • At least one layer of the at least two-layer, preferably three-layer, carrier plate made of plastic, preferably made of polyethylene (PE) is formed.
  • plastic preferably made of polyethylene (PE)
  • Alucobond ® plate Such composite panels are sold by the applicant under the trademark Alucobond ® plate.
  • the plastic layer, in particular the PE layer, is preferably connected to the at least one metallic cover layer by lamination or casting.
  • the composite carrier plate has an intermediate layer, preferably made of metal, preferably of light metal or of a light metal alloy, in particular of aluminum or an aluminum alloy, designed as a honeycomb support structure. gleiter, has.
  • Such aluminum composite panels are marketed by the applicant under the trademark Alucore ® boards.
  • the invention also leads to the use of a lighting device designed as described above as a facade panel and / or as a display panel.
  • a lighting device designed as described above as a facade panel and / or as a display panel.
  • individual LEDs or groups of LEDs can be controlled separately in order to be able to display different, in particular moving, pictures.
  • FIG. 1 is a front view of a lighting device, comprising a composite-containing carrier plate provided with through openings, in which a plurality of through openings, each having an LED held therein, are provided,
  • FIG. 2 is a sectional view of a section of the lighting device according to FIG. 1 along the section line A-A, FIG.
  • FIGS. 1 and 2 are rear views of the lighting device according to FIGS. 1 and 2,
  • FIG. 4 is a perspective view of a preferred embodiment of an LED for receiving in a through hole of a composite support plate for forming a lighting device
  • Fig. 5 is a front view of the LED of FIG. 4, and
  • Fig. 6 is a sectional view of the LED according to
  • FIG. 1 shows a front view of a lighting device 1 designed, for example, as a facade panel and / or display device.
  • a lighting device 1 designed, for example, as a facade panel and / or display device.
  • This comprises a carrier plate 2 designed as a composite plate, which in the exemplary embodiment shown comprises two cover layers made of an aluminum alloy and a plastic interlayer, in this case made of PE, arranged therebetween (see FIG. 2).
  • a plurality of arranged in rows passage openings 3 are introduced, which extend perpendicular to the surface extension of the support plate 2.
  • All passage openings 3 have a circular contoured cross-sectional area 4. As is apparent from Fig. 1, the circular cross-sectional area 4 is realized not only locally, but axially throughout.
  • the support plate 2 has a rectangular peripheral contour - but can alternatively be realized in any contour configuration, for example U-shaped or turned.
  • an LED 5 (light emitting diode) is arranged, for reasons of clarity, only in the upper left in the drawing plane through hole 3, an LED 5 is located. All the LEDs 5 of the lighting device 1 are connected to one another via electrical connection cables (not shown).
  • FIG. 2 is a sectional view of a section of the lighting device 1 along the section line AA. provides. Evident is the composite plate-like structure of the multilayer support plate 2. This comprises two identical metallic cover layers 6, sandwiching an intermediate layer 7 of polyethylene between them.
  • a passage opening 3 with an inner cylindrical peripheral surface can be seen.
  • an LED 5 is received, which is inserted from a rear side 9 of the support plate 2 ago in the through hole 3.
  • the LED 5 has a housing 10 made of plastic, which is provided with three uniformly distributed in the circumferential direction spacers 11, which have the task to support the housing 10 in the radial direction on the inner circumference 12 of the through hole 3.
  • the housing 10 is designed as a shell housing and comprises a transparent, formed as an injection molded part front part 13 (front shell) and a rear, non-transparent, also formed as an injection molded part cover 14 (rear shell). Front part 13 and cover 14 are locked together.
  • the housing 10 comprises latching means 15, which are formed in the embodiment shown as provided on the spacers 11 latching lugs, wherein the latching nails are clawed into the polyethylene intermediate layer 7 and not one of the back 9 facing away te, to this behind parallel front 16 (front).
  • latching means 15 are formed in the embodiment shown as provided on the spacers 11 latching lugs, wherein the latching nails are clawed into the polyethylene intermediate layer 7 and not one of the back 9 facing away te, to this behind parallel front 16 (front).
  • the embodiment shown is only feasible, in which the LED 5, the front side 16 of the support plate 2 does not exceed.
  • the housing 10 of the LED is provided with axial stops 17, with which the LED 5, more precisely the housing 10 of the LED 5, is supported on the rear edge of the passage opening 3 on the rear side 9 of the carrier plate 2.
  • groove-shaped cable channels 19 on the rear side of the carrier plate 2 are not shown in FIG. 2, which connect the adjacent through-openings 3 with one another in order to connect the individual LEDs 5 electrically via electrical cables.
  • the cable channels 19 preferably enforce the rear cover layer 6 perpendicular to the surface extension of the carrier plate 2 into the polyethylene intermediate layer 7. According to an alternative, not shown embodiment, the cable channels 19 are concealed on both surface sides of the support plate 2 of the cover layers 6, that is formed completely within the cover layers 6.
  • Fig. 3 shows schematically the arrangement for reasons of clarity, only a single LED 5 from the back. It can be seen that the LED 5 on the Axial stops 17 on the back 9 of the support plate 2 is supported.
  • FIGS. 1 to 3 shows a preferred embodiment of an LED 5 for use in a through-opening 3 in a carrier plate 2 according to FIGS. 1 to 3.
  • the two-part housing 10 designed as a shell housing can be seen with its rear cover 14 and the transparent front part 13.
  • an axial stop 17 is formed, which projects beyond the actual spacer 11 in the radial direction and has a support surface 2 parallel to the support surface 20 for supporting on the back of the support plate 2.
  • 17 are provided two separate Axialan- impact 21, each of which also form a support surface 22 for resting on the backing plate back.
  • the bearing surfaces 22 are in the same plane as the bearing surfaces 20 of the axial stops 17th
  • Approximately half the axial extent of the (radial) spacers 11 are formed as locking lugs locking means 15. These each include a run-on slope 23, which widen against the insertion direction 24 in the radial direction, wherein the locking lugs formed as latching means 15 of a rear engagement portion 25 in the axial direction be completed.
  • the LED 5 more precisely the housing 10, can dig radially into the intermediate layer 7 shown in FIG.
  • a contact opening 26 can be seen, which serves to receive a plug contact, not shown, for electrical contacting of the LED 5.
  • FIG. 5 shows the LED 5 according to FIG. 4 in a front view.
  • the spacer 13 formed as a plastic injection-molded part and having integral axial stops 17 can be seen.
  • the spacer 11 located on the top left of the drawing plane has no axial support function, but only has lateral locking means 15 like the other two spacers 11.
  • two further axial stops 21 are provided, which have a flat, parallel to the support plate 2 extending support surface 22.
  • FIG. 6 shows a sectional view through the housing 10 of the LED 5 along the section line A-A according to FIG. 5. It can be seen that the cover 14 is latched to the front part 13. For this purpose engages an axially extending, annular, radially auffederbare latching tongue 27, which may be formed for example by a circumferential peripheral wall of the lid 14, from radially inward to radially outward into a corresponding annular recess 8 of the front part 13, wherein the latching recess 8 of a circumferential , inner annular groove is formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un dispositif d'éclairage (1), comprenant une plaque support (2) multicouche dotée d'une pluralité de trous débouchants (3) abritant respectivement une diode (5). Selon l'invention, il est prévu que les trous débouchants (3) abritant les diodes (5) présentent une section circulaire (4). L'invention concerne en outre l'utilisation d'une telle plaque support (2).
EP10708931A 2009-03-17 2010-03-11 Dispositif d'éclairage et utilisation Withdrawn EP2409293A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009013219A DE102009013219A1 (de) 2009-03-17 2009-03-17 Leuchtvorrichtung sowie deren Verwendung
PCT/EP2010/001521 WO2010105763A1 (fr) 2009-03-17 2010-03-11 Dispositif d'éclairage et utilisation

Publications (1)

Publication Number Publication Date
EP2409293A1 true EP2409293A1 (fr) 2012-01-25

Family

ID=42124461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10708931A Withdrawn EP2409293A1 (fr) 2009-03-17 2010-03-11 Dispositif d'éclairage et utilisation

Country Status (5)

Country Link
US (1) US20110317424A1 (fr)
EP (1) EP2409293A1 (fr)
CA (1) CA2755354A1 (fr)
DE (1) DE102009013219A1 (fr)
WO (1) WO2010105763A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2568466B1 (fr) 2011-09-12 2014-11-12 Suisse Technology Partners Ltd. Dispositif d'éclairage
DE202014101310U1 (de) * 2014-03-21 2015-08-06 Zumtobel Lighting Gmbh LED-Modul zur Halterung an einem flächigen Trägerelement, sowie Trägerelement-Anordnung mit einem solchen LED-Modul
EP3133341A1 (fr) 2015-08-21 2017-02-22 Suisse Technology Partners Ag Dispositif d'eclairage
CN107507532A (zh) * 2017-10-16 2017-12-22 广西南宁英凡达科技有限公司 一种与大型机械设备系统信息互动的led电子显示器
CN107481665A (zh) * 2017-10-16 2017-12-15 广西南宁英凡达科技有限公司 一种运用于大型机械设备系统上led电子显示器

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US6135780A (en) * 1999-11-22 2000-10-24 Navistar International Transportation Corp Dual function lamp socket
US6840776B2 (en) * 2001-08-13 2005-01-11 Katholm Invest A/S Adapter for a light source
EP1423891B1 (fr) * 2001-08-13 2006-04-26 Katholm Invest A/S Adaptateur de transfert de puissance
CN100359703C (zh) * 2001-08-21 2008-01-02 奥斯兰姆奥普托半导体有限责任公司 辐射构件及其引线框和壳体及带辐射构件的显示装置和/或照明装置
FR2853200B1 (fr) * 2003-03-27 2005-10-07 Valeo Vision Procede de fixation d'une diode electroluminescente de puissance sur un radiateur, et dispositif de signalisation comportant une telle diode.
US7806574B2 (en) * 2006-04-16 2010-10-05 Albeo Technologies, Inc. Thermal management of LED-based lighting systems
US8033684B2 (en) * 2007-08-31 2011-10-11 The Boeing Company Starry sky lighting panels
TWI356486B (en) * 2007-09-07 2012-01-11 Young Lighting Technology Led light source module and manufacturing method t
DE202008008181U1 (de) 2008-02-27 2008-09-25 Alcan Technology & Management Ag Trägerplatte für Leuchtpunkte sowie Fassadensystem dazu

Non-Patent Citations (1)

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Title
See references of WO2010105763A1 *

Also Published As

Publication number Publication date
DE102009013219A1 (de) 2010-12-09
WO2010105763A1 (fr) 2010-09-23
CA2755354A1 (fr) 2010-09-23
US20110317424A1 (en) 2011-12-29

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